/* * Copyright 2011-2013 Con Kolivas * Copyright 2011-2012 Luke Dashjr * Copyright 2010 Jeff Garzik * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 3 of the License, or (at your option) * any later version. See COPYING for more details. */ #include "config.h" #ifdef HAVE_CURSES #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef WIN32 #include #else #include #endif #include #include #ifdef HAVE_LIBCURL #include #else char *curly = ":D"; #endif #include #include #include "compat.h" #include "miner.h" #include "findnonce.h" #include "adl.h" #include "driver-opencl.h" #include "bench_block.h" #include "scrypt.h" #if defined(unix) || defined(__APPLE__) #include #include #include #endif struct strategies strategies[] = { { "Failover" }, { "Round Robin" }, { "Rotate" }, { "Load Balance" }, { "Balance" }, }; static char packagename[256]; bool opt_work_update; bool opt_protocol; static bool opt_benchmark; bool have_longpoll; bool want_per_device_stats; bool use_syslog; bool opt_quiet; bool opt_realquiet; bool opt_loginput; bool opt_compact; const int opt_cutofftemp = 95; int opt_log_interval = 5; int opt_queue = 1; int opt_scantime = -1; int opt_expiry = 120; static const bool opt_time = true; unsigned long long global_hashrate; unsigned long global_quota_gcd = 1; int nDevs; int opt_dynamic_interval = 7; int opt_g_threads = -1; int gpu_threads; bool opt_restart = true; struct list_head scan_devices; static bool devices_enabled[MAX_DEVICES]; static int opt_devs_enabled; static bool opt_display_devs; static bool opt_removedisabled; int total_devices; int zombie_devs; static int most_devices; struct cgpu_info **devices; int mining_threads; int num_processors; #ifdef HAVE_CURSES bool use_curses = true; #else bool use_curses; #endif static bool opt_submit_stale = true; static int opt_shares; bool opt_fail_only; static bool opt_fix_protocol; static bool opt_lowmem; bool opt_autofan; bool opt_autoengine; bool opt_noadl; char *opt_api_allow = NULL; char *opt_api_groups; char *opt_api_description = PACKAGE_STRING; int opt_api_port = 4028; bool opt_api_listen; bool opt_api_mcast; char *opt_api_mcast_addr = API_MCAST_ADDR; char *opt_api_mcast_code = API_MCAST_CODE; char *opt_api_mcast_des = ""; int opt_api_mcast_port = 4028; bool opt_api_network; bool opt_delaynet; bool opt_disable_pool; static bool no_work; bool opt_worktime; char *opt_kernel_path; char *cgminer_path; #define QUIET (opt_quiet || opt_realquiet) struct thr_info *control_thr; struct thr_info **mining_thr; static int gwsched_thr_id; static int stage_thr_id; static int watchpool_thr_id; static int watchdog_thr_id; #ifdef HAVE_CURSES static int input_thr_id; #endif int gpur_thr_id; static int api_thr_id; static int total_control_threads; bool hotplug_mode; static int new_devices; static int new_threads; int hotplug_time = 5; #if LOCK_TRACKING pthread_mutex_t lockstat_lock; #endif pthread_mutex_t hash_lock; static pthread_mutex_t *stgd_lock; pthread_mutex_t console_lock; cglock_t ch_lock; static pthread_rwlock_t blk_lock; static pthread_mutex_t sshare_lock; pthread_rwlock_t netacc_lock; pthread_rwlock_t mining_thr_lock; pthread_rwlock_t devices_lock; static pthread_mutex_t lp_lock; static pthread_cond_t lp_cond; pthread_mutex_t restart_lock; pthread_cond_t restart_cond; pthread_cond_t gws_cond; double total_rolling; double total_mhashes_done; static struct timeval total_tv_start, total_tv_end; cglock_t control_lock; pthread_mutex_t stats_lock; int hw_errors; int total_accepted, total_rejected, total_diff1; int total_getworks, total_stale, total_discarded; double total_diff_accepted, total_diff_rejected, total_diff_stale; static int staged_rollable; unsigned int new_blocks; static unsigned int work_block; unsigned int found_blocks; unsigned int local_work; unsigned int total_go, total_ro; struct pool **pools; static struct pool *currentpool = NULL; int total_pools, enabled_pools; enum pool_strategy pool_strategy = POOL_FAILOVER; int opt_rotate_period; static int total_urls, total_users, total_passes, total_userpasses; static #ifndef HAVE_CURSES const #endif bool curses_active; /* Protected by ch_lock */ char current_hash[68]; static char prev_block[12]; static char current_block[32]; static char datestamp[40]; static char blocktime[32]; struct timeval block_timeval; static char best_share[8] = "0"; double current_diff = 0xFFFFFFFFFFFFFFFFULL; static char block_diff[8]; uint64_t best_diff = 0; struct block { char hash[68]; UT_hash_handle hh; int block_no; }; static struct block *blocks = NULL; int swork_id; /* For creating a hash database of stratum shares submitted that have not had * a response yet */ struct stratum_share { UT_hash_handle hh; bool block; struct work *work; int id; time_t sshare_time; }; static struct stratum_share *stratum_shares = NULL; char *opt_socks_proxy = NULL; static const char def_conf[] = "cgminer.conf"; static char *default_config; static bool config_loaded; static int include_count; #define JSON_INCLUDE_CONF "include" #define JSON_LOAD_ERROR "JSON decode of file '%s' failed\n %s" #define JSON_LOAD_ERROR_LEN strlen(JSON_LOAD_ERROR) #define JSON_MAX_DEPTH 10 #define JSON_MAX_DEPTH_ERR "Too many levels of JSON includes (limit 10) or a loop" #if defined(unix) || defined(__APPLE__) static char *opt_stderr_cmd = NULL; static int forkpid; #endif // defined(unix) struct sigaction termhandler, inthandler; struct thread_q *getq; static int total_work; struct work *staged_work = NULL; struct schedtime { bool enable; struct tm tm; }; struct schedtime schedstart; struct schedtime schedstop; bool sched_paused; static bool time_before(struct tm *tm1, struct tm *tm2) { if (tm1->tm_hour < tm2->tm_hour) return true; if (tm1->tm_hour == tm2->tm_hour && tm1->tm_min < tm2->tm_min) return true; return false; } static bool should_run(void) { struct timeval tv; struct tm *tm; if (!schedstart.enable && !schedstop.enable) return true; cgtime(&tv); const time_t tmp_time = tv.tv_sec; tm = localtime(&tmp_time); if (schedstart.enable) { if (!schedstop.enable) { if (time_before(tm, &schedstart.tm)) return false; /* This is a once off event with no stop time set */ schedstart.enable = false; return true; } if (time_before(&schedstart.tm, &schedstop.tm)) { if (time_before(tm, &schedstop.tm) && !time_before(tm, &schedstart.tm)) return true; return false; } /* Times are reversed */ if (time_before(tm, &schedstart.tm)) { if (time_before(tm, &schedstop.tm)) return true; return false; } return true; } /* only schedstop.enable == true */ if (!time_before(tm, &schedstop.tm)) return false; return true; } void get_datestamp(char *f, size_t fsiz, struct timeval *tv) { struct tm *tm; const time_t tmp_time = tv->tv_sec; tm = localtime(&tmp_time); snprintf(f, fsiz, "[%d-%02d-%02d %02d:%02d:%02d]", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); } static void get_timestamp(char *f, size_t fsiz, struct timeval *tv) { struct tm *tm; const time_t tmp_time = tv->tv_sec; tm = localtime(&tmp_time); snprintf(f, fsiz, "[%02d:%02d:%02d]", tm->tm_hour, tm->tm_min, tm->tm_sec); } static char exit_buf[512]; static void applog_and_exit(const char *fmt, ...) { va_list ap; va_start(ap, fmt); vsnprintf(exit_buf, sizeof(exit_buf), fmt, ap); va_end(ap); _applog(LOG_ERR, exit_buf, true); exit(1); } static pthread_mutex_t sharelog_lock; static FILE *sharelog_file = NULL; static struct thr_info *__get_thread(int thr_id) { return mining_thr[thr_id]; } struct thr_info *get_thread(int thr_id) { struct thr_info *thr; rd_lock(&mining_thr_lock); thr = __get_thread(thr_id); rd_unlock(&mining_thr_lock); return thr; } static struct cgpu_info *get_thr_cgpu(int thr_id) { struct thr_info *thr = get_thread(thr_id); return thr->cgpu; } struct cgpu_info *get_devices(int id) { struct cgpu_info *cgpu; rd_lock(&devices_lock); cgpu = devices[id]; rd_unlock(&devices_lock); return cgpu; } static void sharelog(const char*disposition, const struct work*work) { char *target, *hash, *data; struct cgpu_info *cgpu; unsigned long int t; struct pool *pool; int thr_id, rv; char s[1024]; size_t ret; if (!sharelog_file) return; thr_id = work->thr_id; cgpu = get_thr_cgpu(thr_id); pool = work->pool; t = (unsigned long int)(work->tv_work_found.tv_sec); target = bin2hex(work->target, sizeof(work->target)); hash = bin2hex(work->hash, sizeof(work->hash)); data = bin2hex(work->data, sizeof(work->data)); // timestamp,disposition,target,pool,dev,thr,sharehash,sharedata rv = snprintf(s, sizeof(s), "%lu,%s,%s,%s,%s%u,%u,%s,%s\n", t, disposition, target, pool->rpc_url, cgpu->drv->name, cgpu->device_id, thr_id, hash, data); free(target); free(hash); free(data); if (rv >= (int)(sizeof(s))) s[sizeof(s) - 1] = '\0'; else if (rv < 0) { applog(LOG_ERR, "sharelog printf error"); return; } mutex_lock(&sharelog_lock); ret = fwrite(s, rv, 1, sharelog_file); fflush(sharelog_file); mutex_unlock(&sharelog_lock); if (ret != 1) applog(LOG_ERR, "sharelog fwrite error"); } static char *getwork_req = "{\"method\": \"getwork\", \"params\": [], \"id\":0}\n"; static char *gbt_req = "{\"id\": 0, \"method\": \"getblocktemplate\", \"params\": [{\"capabilities\": [\"coinbasetxn\", \"workid\", \"coinbase/append\"]}]}\n"; /* Adjust all the pools' quota to the greatest common denominator after a pool * has been added or the quotas changed. */ void adjust_quota_gcd(void) { unsigned long gcd, lowest_quota = ~0UL, quota; struct pool *pool; int i; for (i = 0; i < total_pools; i++) { pool = pools[i]; quota = pool->quota; if (!quota) continue; if (quota < lowest_quota) lowest_quota = quota; } if (likely(lowest_quota < ~0UL)) { gcd = lowest_quota; for (i = 0; i < total_pools; i++) { pool = pools[i]; quota = pool->quota; if (!quota) continue; while (quota % gcd) gcd--; } } else gcd = 1; for (i = 0; i < total_pools; i++) { pool = pools[i]; pool->quota_used *= global_quota_gcd; pool->quota_used /= gcd; pool->quota_gcd = pool->quota / gcd; } global_quota_gcd = gcd; applog(LOG_DEBUG, "Global quota greatest common denominator set to %lu", gcd); } /* Return value is ignored if not called from add_pool_details */ struct pool *add_pool(void) { struct pool *pool; pool = calloc(sizeof(struct pool), 1); if (!pool) quit(1, "Failed to malloc pool in add_pool"); pool->pool_no = pool->prio = total_pools; pools = realloc(pools, sizeof(struct pool *) * (total_pools + 2)); pools[total_pools++] = pool; mutex_init(&pool->pool_lock); if (unlikely(pthread_cond_init(&pool->cr_cond, NULL))) quit(1, "Failed to pthread_cond_init in add_pool"); cglock_init(&pool->data_lock); mutex_init(&pool->stratum_lock); cglock_init(&pool->gbt_lock); INIT_LIST_HEAD(&pool->curlring); /* Make sure the pool doesn't think we've been idle since time 0 */ pool->tv_idle.tv_sec = ~0UL; pool->rpc_req = getwork_req; pool->rpc_proxy = NULL; pool->quota = 1; adjust_quota_gcd(); return pool; } /* Pool variant of test and set */ static bool pool_tset(struct pool *pool, bool *var) { bool ret; mutex_lock(&pool->pool_lock); ret = *var; *var = true; mutex_unlock(&pool->pool_lock); return ret; } bool pool_tclear(struct pool *pool, bool *var) { bool ret; mutex_lock(&pool->pool_lock); ret = *var; *var = false; mutex_unlock(&pool->pool_lock); return ret; } struct pool *current_pool(void) { struct pool *pool; cg_rlock(&control_lock); pool = currentpool; cg_runlock(&control_lock); return pool; } char *set_int_range(const char *arg, int *i, int min, int max) { char *err = opt_set_intval(arg, i); if (err) return err; if (*i < min || *i > max) return "Value out of range"; return NULL; } static char *set_int_0_to_9999(const char *arg, int *i) { return set_int_range(arg, i, 0, 9999); } static char *set_int_1_to_65535(const char *arg, int *i) { return set_int_range(arg, i, 1, 65535); } static char *set_int_0_to_10(const char *arg, int *i) { return set_int_range(arg, i, 0, 10); } static char *set_int_1_to_10(const char *arg, int *i) { return set_int_range(arg, i, 1, 10); } void get_intrange(char *arg, int *val1, int *val2) { if (sscanf(arg, "%d-%d", val1, val2) == 1) *val2 = *val1; } static char *set_devices(char *arg) { int i, val1 = 0, val2 = 0; char *nextptr; if (*arg) { if (*arg == '?') { opt_display_devs = true; return NULL; } } else return "Invalid device parameters"; nextptr = strtok(arg, ","); if (nextptr == NULL) return "Invalid parameters for set devices"; get_intrange(nextptr, &val1, &val2); if (val1 < 0 || val1 > MAX_DEVICES || val2 < 0 || val2 > MAX_DEVICES || val1 > val2) { return "Invalid value passed to set devices"; } for (i = val1; i <= val2; i++) { devices_enabled[i] = true; opt_devs_enabled++; } while ((nextptr = strtok(NULL, ",")) != NULL) { get_intrange(nextptr, &val1, &val2); if (val1 < 0 || val1 > MAX_DEVICES || val2 < 0 || val2 > MAX_DEVICES || val1 > val2) { return "Invalid value passed to set devices"; } for (i = val1; i <= val2; i++) { devices_enabled[i] = true; opt_devs_enabled++; } } return NULL; } static char *set_balance(enum pool_strategy *strategy) { *strategy = POOL_BALANCE; return NULL; } static char *set_loadbalance(enum pool_strategy *strategy) { *strategy = POOL_LOADBALANCE; return NULL; } static char *set_rotate(const char *arg, int *i) { pool_strategy = POOL_ROTATE; return set_int_range(arg, i, 0, 9999); } static char *set_rr(enum pool_strategy *strategy) { *strategy = POOL_ROUNDROBIN; return NULL; } /* Detect that url is for a stratum protocol either via the presence of * stratum+tcp or by detecting a stratum server response */ bool detect_stratum(struct pool *pool, char *url) { if (!extract_sockaddr(url, &pool->sockaddr_url, &pool->stratum_port)) return false; if (!strncasecmp(url, "stratum+tcp://", 14)) { pool->rpc_url = strdup(url); pool->has_stratum = true; pool->stratum_url = pool->sockaddr_url; return true; } return false; } static struct pool *add_url(void) { total_urls++; if (total_urls > total_pools) add_pool(); return pools[total_urls - 1]; } static void setup_url(struct pool *pool, char *arg) { arg = get_proxy(arg, pool); if (detect_stratum(pool, arg)) return; opt_set_charp(arg, &pool->rpc_url); if (strncmp(arg, "http://", 7) && strncmp(arg, "https://", 8)) { char *httpinput; httpinput = malloc(255); if (!httpinput) quit(1, "Failed to malloc httpinput"); strcpy(httpinput, "http://"); strncat(httpinput, arg, 248); pool->rpc_url = httpinput; } } static char *set_url(char *arg) { struct pool *pool = add_url(); setup_url(pool, arg); return NULL; } static char *set_quota(char *arg) { char *semicolon = strchr(arg, ';'), *url; int len, qlen, quota; struct pool *pool; if (!semicolon) return "No semicolon separated quota;URL pair found"; len = strlen(arg); *semicolon = '\0'; qlen = strlen(arg); if (!qlen) return "No parameter for quota found"; len -= qlen + 1; if (len < 1) return "No parameter for URL found"; quota = atoi(arg); if (quota < 0) return "Invalid negative parameter for quota set"; url = arg + qlen + 1; pool = add_url(); setup_url(pool, url); pool->quota = quota; applog(LOG_INFO, "Setting pool %d to quota %d", pool->pool_no, pool->quota); adjust_quota_gcd(); return NULL; } static char *set_user(const char *arg) { struct pool *pool; if (total_userpasses) return "Use only user + pass or userpass, but not both"; total_users++; if (total_users > total_pools) add_pool(); pool = pools[total_users - 1]; opt_set_charp(arg, &pool->rpc_user); return NULL; } static char *set_pass(const char *arg) { struct pool *pool; if (total_userpasses) return "Use only user + pass or userpass, but not both"; total_passes++; if (total_passes > total_pools) add_pool(); pool = pools[total_passes - 1]; opt_set_charp(arg, &pool->rpc_pass); return NULL; } static char *set_userpass(const char *arg) { struct pool *pool; char *updup; if (total_users || total_passes) return "Use only user + pass or userpass, but not both"; total_userpasses++; if (total_userpasses > total_pools) add_pool(); pool = pools[total_userpasses - 1]; updup = strdup(arg); opt_set_charp(arg, &pool->rpc_userpass); pool->rpc_user = strtok(updup, ":"); if (!pool->rpc_user) return "Failed to find : delimited user info"; pool->rpc_pass = strtok(NULL, ":"); if (!pool->rpc_pass) return "Failed to find : delimited pass info"; return NULL; } static char *enable_debug(bool *flag) { *flag = true; /* Turn on verbose output, too. */ opt_log_output = true; return NULL; } static char *set_schedtime(const char *arg, struct schedtime *st) { if (sscanf(arg, "%d:%d", &st->tm.tm_hour, &st->tm.tm_min) != 2) return "Invalid time set, should be HH:MM"; if (st->tm.tm_hour > 23 || st->tm.tm_min > 59 || st->tm.tm_hour < 0 || st->tm.tm_min < 0) return "Invalid time set."; st->enable = true; return NULL; } static char* set_sharelog(char *arg) { char *r = ""; long int i = strtol(arg, &r, 10); if ((!*r) && i >= 0 && i <= INT_MAX) { sharelog_file = fdopen((int)i, "a"); if (!sharelog_file) applog(LOG_ERR, "Failed to open fd %u for share log", (unsigned int)i); } else if (!strcmp(arg, "-")) { sharelog_file = stdout; if (!sharelog_file) applog(LOG_ERR, "Standard output missing for share log"); } else { sharelog_file = fopen(arg, "a"); if (!sharelog_file) applog(LOG_ERR, "Failed to open %s for share log", arg); } return NULL; } static char *temp_cutoff_str = NULL; char *set_temp_cutoff(char *arg) { int val; if (!(arg && arg[0])) return "Invalid parameters for set temp cutoff"; val = atoi(arg); if (val < 0 || val > 200) return "Invalid value passed to set temp cutoff"; temp_cutoff_str = arg; return NULL; } static void load_temp_cutoffs() { int i, val = 0, device = 0; char *nextptr; if (temp_cutoff_str) { for (device = 0, nextptr = strtok(temp_cutoff_str, ","); nextptr; ++device, nextptr = strtok(NULL, ",")) { if (device >= total_devices) quit(1, "Too many values passed to set temp cutoff"); val = atoi(nextptr); if (val < 0 || val > 200) quit(1, "Invalid value passed to set temp cutoff"); rd_lock(&devices_lock); devices[device]->cutofftemp = val; rd_unlock(&devices_lock); } } else { rd_lock(&devices_lock); for (i = device; i < total_devices; ++i) { if (!devices[i]->cutofftemp) devices[i]->cutofftemp = opt_cutofftemp; } rd_unlock(&devices_lock); return; } if (device <= 1) { rd_lock(&devices_lock); for (i = device; i < total_devices; ++i) devices[i]->cutofftemp = val; rd_unlock(&devices_lock); } } static char *set_api_allow(const char *arg) { opt_set_charp(arg, &opt_api_allow); return NULL; } static char *set_api_groups(const char *arg) { opt_set_charp(arg, &opt_api_groups); return NULL; } static char *set_api_description(const char *arg) { opt_set_charp(arg, &opt_api_description); return NULL; } static char *set_api_mcast_addr(const char *arg) { opt_set_charp(arg, &opt_api_mcast_addr); return NULL; } static char *set_api_mcast_code(const char *arg) { opt_set_charp(arg, &opt_api_mcast_code); return NULL; } static char *set_api_mcast_des(const char *arg) { opt_set_charp(arg, &opt_api_mcast_des); return NULL; } static char *set_null(const char __maybe_unused *arg) { return NULL; } static char *deprecated_scrypt(void *arg) { applog(LOG_WARNING, "Option --scrypt is deprecated and will be removed in future versions. Remove it from your launch scripts."); return NULL; } /* These options are available from config file or commandline */ static struct opt_table opt_config_table[] = { OPT_WITH_ARG("--api-allow", set_api_allow, NULL, NULL, "Allow API access only to the given list of [G:]IP[/Prefix] addresses[/subnets]"), OPT_WITH_ARG("--api-description", set_api_description, NULL, NULL, "Description placed in the API status header, default: cgminer version"), OPT_WITH_ARG("--api-groups", set_api_groups, NULL, NULL, "API one letter groups G:cmd:cmd[,P:cmd:*...] defining the cmds a groups can use"), OPT_WITHOUT_ARG("--api-listen", opt_set_bool, &opt_api_listen, "Enable API, default: disabled"), OPT_WITHOUT_ARG("--api-mcast", opt_set_bool, &opt_api_mcast, "Enable API Multicast listener, default: disabled"), OPT_WITH_ARG("--api-mcast-addr", set_api_mcast_addr, NULL, NULL, "API Multicast listen address"), OPT_WITH_ARG("--api-mcast-code", set_api_mcast_code, NULL, NULL, "Code expected in the API Multicast message, don't use '-'"), OPT_WITH_ARG("--api-mcast-des", set_api_mcast_des, NULL, NULL, "Description appended to the API Multicast reply, default: ''"), OPT_WITH_ARG("--api-mcast-port", set_int_1_to_65535, opt_show_intval, &opt_api_mcast_port, "API Multicast listen port"), OPT_WITHOUT_ARG("--api-network", opt_set_bool, &opt_api_network, "Allow API (if enabled) to listen on/for any address, default: only 127.0.0.1"), OPT_WITH_ARG("--api-port", set_int_1_to_65535, opt_show_intval, &opt_api_port, "Port number of miner API"), #ifdef HAVE_ADL OPT_WITHOUT_ARG("--auto-fan", opt_set_bool, &opt_autofan, "Automatically adjust all GPU fan speeds to maintain a target temperature"), OPT_WITHOUT_ARG("--auto-gpu", opt_set_bool, &opt_autoengine, "Automatically adjust all GPU engine clock speeds to maintain a target temperature"), #endif OPT_WITHOUT_ARG("--balance", set_balance, &pool_strategy, "Change multipool strategy from failover to even share balance"), OPT_WITHOUT_ARG("--benchmark", opt_set_bool, &opt_benchmark, "Run cgminer in benchmark mode - produces no shares"), #ifdef HAVE_CURSES OPT_WITHOUT_ARG("--compact", opt_set_bool, &opt_compact, "Use compact display without per device statistics"), #endif OPT_WITHOUT_ARG("--debug|-D", enable_debug, &opt_debug, "Enable debug output"), OPT_WITH_ARG("--device|-d", set_devices, NULL, NULL, "Select device to use, one value, range and/or comma separated (e.g. 0-2,4) default: all"), OPT_WITHOUT_ARG("--disable-rejecting", opt_set_bool, &opt_disable_pool, "Automatically disable pools that continually reject shares"), OPT_WITH_ARG("--expiry|-E", set_int_0_to_9999, opt_show_intval, &opt_expiry, "Upper bound on how many seconds after getting work we consider a share from it stale"), OPT_WITHOUT_ARG("--failover-only", opt_set_bool, &opt_fail_only, "Don't leak work to backup pools when primary pool is lagging"), OPT_WITHOUT_ARG("--fix-protocol", opt_set_bool, &opt_fix_protocol, "Do not redirect to a different getwork protocol (eg. stratum)"), OPT_WITH_ARG("--gpu-dyninterval", set_int_1_to_65535, opt_show_intval, &opt_dynamic_interval, "Set the refresh interval in ms for GPUs using dynamic intensity"), OPT_WITH_ARG("--gpu-platform", set_int_0_to_9999, opt_show_intval, &opt_platform_id, "Select OpenCL platform ID to use for GPU mining"), #ifndef HAVE_ADL OPT_WITH_ARG("--gpu-threads|-g", set_int_1_to_10, opt_show_intval, &opt_g_threads, "Number of threads per GPU (1 - 10)"), #else OPT_WITH_ARG("--gpu-threads|-g", set_gpu_threads, NULL, NULL, "Number of threads per GPU - one value or comma separated list (e.g. 1,2,1)"), OPT_WITH_ARG("--gpu-engine", set_gpu_engine, NULL, NULL, "GPU engine (over)clock range in Mhz - one value, range and/or comma separated list (e.g. 850-900,900,750-850)"), OPT_WITH_ARG("--gpu-fan", set_gpu_fan, NULL, NULL, "GPU fan percentage range - one value, range and/or comma separated list (e.g. 0-85,85,65)"), OPT_WITH_ARG("--gpu-map", set_gpu_map, NULL, NULL, "Map OpenCL to ADL device order manually, paired CSV (e.g. 1:0,2:1 maps OpenCL 1 to ADL 0, 2 to 1)"), OPT_WITH_ARG("--gpu-memclock", set_gpu_memclock, NULL, NULL, "Set the GPU memory (over)clock in Mhz - one value for all or separate by commas for per card"), OPT_WITH_ARG("--gpu-memdiff", set_gpu_memdiff, NULL, NULL, "Set a fixed difference in clock speed between the GPU and memory in auto-gpu mode"), OPT_WITH_ARG("--gpu-powertune", set_gpu_powertune, NULL, NULL, "Set the GPU powertune percentage - one value for all or separate by commas for per card"), OPT_WITHOUT_ARG("--gpu-reorder", opt_set_bool, &opt_reorder, "Attempt to reorder GPU devices according to PCI Bus ID"), OPT_WITH_ARG("--gpu-vddc", set_gpu_vddc, NULL, NULL, "Set the GPU voltage in Volts - one value for all or separate by commas for per card"), #endif OPT_WITH_ARG("--lookup-gap", set_lookup_gap, NULL, NULL, "Set GPU lookup gap for scrypt mining, comma separated"), OPT_WITH_ARG("--intensity|-I", set_intensity, NULL, NULL, "Intensity of GPU scanning (d or " MIN_INTENSITY_STR " -> " MAX_INTENSITY_STR ",default: d to maintain desktop interactivity)"), OPT_WITH_ARG("--kernel-path|-K", opt_set_charp, opt_show_charp, &opt_kernel_path, "Specify a path to where kernel files are"), OPT_WITH_ARG("--kernel|-k", set_kernel, NULL, NULL, "Override kernel to use - one value or comma separated"), OPT_WITHOUT_ARG("--load-balance", set_loadbalance, &pool_strategy, "Change multipool strategy from failover to quota based balance"), OPT_WITH_ARG("--log|-l", set_int_0_to_9999, opt_show_intval, &opt_log_interval, "Interval in seconds between log output"), OPT_WITHOUT_ARG("--log-show-date|-L", opt_set_bool, &opt_log_show_date, "Show date on every log line"), OPT_WITHOUT_ARG("--lowmem", opt_set_bool, &opt_lowmem, "Minimise caching of shares for low memory applications"), #if defined(unix) || defined(__APPLE__) OPT_WITH_ARG("--monitor|-m", opt_set_charp, NULL, &opt_stderr_cmd, "Use custom pipe cmd for output messages"), #endif // defined(unix) OPT_WITHOUT_ARG("--net-delay", opt_set_bool, &opt_delaynet, "Impose small delays in networking to not overload slow routers"), OPT_WITHOUT_ARG("--no-adl", opt_set_bool, &opt_noadl, #ifdef HAVE_ADL "Disable the ATI display library used for monitoring and setting GPU parameters" #else opt_hidden #endif ), OPT_WITHOUT_ARG("--no-pool-disable", opt_set_invbool, &opt_disable_pool, opt_hidden), OPT_WITHOUT_ARG("--no-restart", opt_set_invbool, &opt_restart, "Do not attempt to restart GPUs that hang"), OPT_WITHOUT_ARG("--no-submit-stale", opt_set_invbool, &opt_submit_stale, "Don't submit shares if they are detected as stale"), OPT_WITH_ARG("--pass|-p", set_pass, NULL, NULL, "Password for bitcoin JSON-RPC server"), OPT_WITHOUT_ARG("--per-device-stats", opt_set_bool, &want_per_device_stats, "Force verbose mode and output per-device statistics"), OPT_WITHOUT_ARG("--protocol-dump|-P", opt_set_bool, &opt_protocol, "Verbose dump of protocol-level activities"), OPT_WITH_ARG("--queue|-Q", set_int_0_to_9999, opt_show_intval, &opt_queue, "Minimum number of work items to have queued (0+)"), OPT_WITHOUT_ARG("--quiet|-q", opt_set_bool, &opt_quiet, "Disable logging output, display status and errors"), OPT_WITH_ARG("--quota|-U", set_quota, NULL, NULL, "quota;URL combination for server with load-balance strategy quotas"), OPT_WITHOUT_ARG("--real-quiet", opt_set_bool, &opt_realquiet, "Disable all output"), OPT_WITHOUT_ARG("--remove-disabled", opt_set_bool, &opt_removedisabled, "Remove disabled devices entirely, as if they didn't exist"), OPT_WITH_ARG("--retries", set_null, NULL, NULL, opt_hidden), OPT_WITH_ARG("--retry-pause", set_null, NULL, NULL, opt_hidden), OPT_WITH_ARG("--rotate", set_rotate, opt_show_intval, &opt_rotate_period, "Change multipool strategy from failover to regularly rotate at N minutes"), OPT_WITHOUT_ARG("--round-robin", set_rr, &pool_strategy, "Change multipool strategy from failover to round robin on failure"), OPT_WITH_ARG("--scan-time|-s", set_int_0_to_9999, opt_show_intval, &opt_scantime, "Upper bound on time spent scanning current work, in seconds"), OPT_WITH_ARG("--sched-start", set_schedtime, NULL, &schedstart, "Set a time of day in HH:MM to start mining (a once off without a stop time)"), OPT_WITH_ARG("--sched-stop", set_schedtime, NULL, &schedstop, "Set a time of day in HH:MM to stop mining (will quit without a start time)"), OPT_WITHOUT_ARG("--scrypt", deprecated_scrypt, NULL, "Use the scrypt algorithm for mining (DEPRECATED)"), OPT_WITH_ARG("--shaders", set_shaders, NULL, NULL, "GPU shaders per card for tuning scrypt, comma separated"), OPT_WITH_ARG("--sharelog", set_sharelog, NULL, NULL, "Append share log to file"), OPT_WITH_ARG("--shares", opt_set_intval, NULL, &opt_shares, "Quit after mining N shares (default: unlimited)"), OPT_WITH_ARG("--socks-proxy", opt_set_charp, NULL, &opt_socks_proxy, "Set socks4 proxy (host:port)"), #ifdef HAVE_SYSLOG_H OPT_WITHOUT_ARG("--syslog", opt_set_bool, &use_syslog, "Use system log for output messages (default: standard error)"), #endif #if defined(HAVE_ADL) || defined(USE_BITFORCE) || defined(USE_MODMINER) || defined(USE_BFLSC) OPT_WITH_ARG("--temp-cutoff", set_temp_cutoff, opt_show_intval, &opt_cutofftemp, "Temperature where a device will be automatically disabled, one value or comma separated list"), #endif #ifdef HAVE_ADL OPT_WITH_ARG("--temp-hysteresis", set_int_1_to_10, opt_show_intval, &opt_hysteresis, "Set how much the temperature can fluctuate outside limits when automanaging speeds"), OPT_WITH_ARG("--temp-overheat", set_temp_overheat, opt_show_intval, &opt_overheattemp, "Overheat temperature when automatically managing fan and GPU speeds, one value or comma separated list"), OPT_WITH_ARG("--temp-target", set_temp_target, opt_show_intval, &opt_targettemp, "Target temperature when automatically managing fan and GPU speeds, one value or comma separated list"), #endif OPT_WITHOUT_ARG("--text-only|-T", opt_set_invbool, &use_curses, #ifdef HAVE_CURSES "Disable ncurses formatted screen output" #else opt_hidden #endif ), OPT_WITH_ARG("--thread-concurrency", set_thread_concurrency, NULL, NULL, "Set GPU thread concurrency for scrypt mining, comma separated"), OPT_WITH_ARG("--url|-o", set_url, NULL, NULL, "URL for bitcoin JSON-RPC server"), OPT_WITH_ARG("--user|-u", set_user, NULL, NULL, "Username for bitcoin JSON-RPC server"), OPT_WITH_ARG("--vectors|-v", set_vector, NULL, NULL, "Override detected optimal vector (1, 2 or 4) - one value or comma separated list"), OPT_WITHOUT_ARG("--verbose", opt_set_bool, &opt_log_output, "Log verbose output to stderr as well as status output"), OPT_WITH_ARG("--worksize|-w", set_worksize, NULL, NULL, "Override detected optimal worksize - one value or comma separated list"), OPT_WITH_ARG("--userpass|-O", set_userpass, NULL, NULL, "Username:Password pair for bitcoin JSON-RPC server"), OPT_WITHOUT_ARG("--worktime", opt_set_bool, &opt_worktime, "Display extra work time debug information"), OPT_WITH_ARG("--pools", opt_set_bool, NULL, NULL, opt_hidden), OPT_ENDTABLE }; static char *load_config(const char *arg, void __maybe_unused *unused); static int fileconf_load; static char *parse_config(json_t *config, bool fileconf) { static char err_buf[200]; struct opt_table *opt; json_t *val; if (fileconf && !fileconf_load) fileconf_load = 1; for (opt = opt_config_table; opt->type != OPT_END; opt++) { char *p, *name; /* We don't handle subtables. */ assert(!(opt->type & OPT_SUBTABLE)); if (!opt->names) continue; /* Pull apart the option name(s). */ name = strdup(opt->names); for (p = strtok(name, "|"); p; p = strtok(NULL, "|")) { char *err = NULL; /* Ignore short options. */ if (p[1] != '-') continue; val = json_object_get(config, p+2); if (!val) continue; if ((opt->type & OPT_HASARG) && json_is_string(val)) { err = opt->cb_arg(json_string_value(val), opt->u.arg); } else if ((opt->type & OPT_HASARG) && json_is_array(val)) { int n, size = json_array_size(val); for (n = 0; n < size && !err; n++) { if (json_is_string(json_array_get(val, n))) err = opt->cb_arg(json_string_value(json_array_get(val, n)), opt->u.arg); else if (json_is_object(json_array_get(val, n))) err = parse_config(json_array_get(val, n), false); } } else if ((opt->type & OPT_NOARG) && json_is_true(val)) err = opt->cb(opt->u.arg); else err = "Invalid value"; if (err) { /* Allow invalid values to be in configuration * file, just skipping over them provided the * JSON is still valid after that. */ if (fileconf) { applog(LOG_ERR, "Invalid config option %s: %s", p, err); fileconf_load = -1; } else { snprintf(err_buf, sizeof(err_buf), "Parsing JSON option %s: %s", p, err); return err_buf; } } } free(name); } val = json_object_get(config, JSON_INCLUDE_CONF); if (val && json_is_string(val)) return load_config(json_string_value(val), NULL); return NULL; } char *cnfbuf = NULL; static char *load_config(const char *arg, void __maybe_unused *unused) { json_error_t err; json_t *config; char *json_error; size_t siz; if (!cnfbuf) cnfbuf = strdup(arg); if (++include_count > JSON_MAX_DEPTH) return JSON_MAX_DEPTH_ERR; #if JANSSON_MAJOR_VERSION > 1 config = json_load_file(arg, 0, &err); #else config = json_load_file(arg, &err); #endif if (!json_is_object(config)) { siz = JSON_LOAD_ERROR_LEN + strlen(arg) + strlen(err.text); json_error = malloc(siz); if (!json_error) quit(1, "Malloc failure in json error"); snprintf(json_error, siz, JSON_LOAD_ERROR, arg, err.text); return json_error; } config_loaded = true; /* Parse the config now, so we can override it. That can keep pointers * so don't free config object. */ return parse_config(config, true); } static char *set_default_config(const char *arg) { opt_set_charp(arg, &default_config); return NULL; } void default_save_file(char *filename); static void load_default_config(void) { cnfbuf = malloc(PATH_MAX); default_save_file(cnfbuf); if (!access(cnfbuf, R_OK)) load_config(cnfbuf, NULL); else { free(cnfbuf); cnfbuf = NULL; } } extern const char *opt_argv0; static char *opt_verusage_and_exit(const char *extra) { printf("%s\n", packagename); printf("%s", opt_usage(opt_argv0, extra)); fflush(stdout); exit(0); } char *display_devs(int *ndevs) { *ndevs = 0; print_ndevs(ndevs); exit(*ndevs); } /* These options are available from commandline only */ static struct opt_table opt_cmdline_table[] = { OPT_WITH_ARG("--config|-c", load_config, NULL, NULL, "Load a JSON-format configuration file\n" "See example.conf for an example configuration."), OPT_WITH_ARG("--default-config", set_default_config, NULL, NULL, "Specify the filename of the default config file\n" "Loaded at start and used when saving without a name."), OPT_WITHOUT_ARG("--help|-h", opt_verusage_and_exit, NULL, "Print this message"), OPT_WITHOUT_ARG("--ndevs|-n", display_devs, &nDevs, "Display number of detected GPUs, OpenCL platform " "information, and exit"), OPT_WITHOUT_ARG("--version|-V", opt_version_and_exit, packagename, "Display version and exit"), OPT_ENDTABLE }; #ifdef HAVE_LIBCURL static bool jobj_binary(const json_t *obj, const char *key, void *buf, size_t buflen, bool required) { const char *hexstr; json_t *tmp; tmp = json_object_get(obj, key); if (unlikely(!tmp)) { if (unlikely(required)) applog(LOG_ERR, "JSON key '%s' not found", key); return false; } hexstr = json_string_value(tmp); if (unlikely(!hexstr)) { applog(LOG_ERR, "JSON key '%s' is not a string", key); return false; } if (!hex2bin(buf, hexstr, buflen)) return false; return true; } #endif static void calc_midstate(struct work *work) { unsigned char data[64]; uint32_t *data32 = (uint32_t *)data; sha256_ctx ctx; flip64(data32, work->data); sha256_init(&ctx); sha256_update(&ctx, data, 64); memcpy(work->midstate, ctx.h, 32); endian_flip32(work->midstate, work->midstate); } static struct work *make_work(void) { struct work *work = calloc(1, sizeof(struct work)); if (unlikely(!work)) quit(1, "Failed to calloc work in make_work"); cg_wlock(&control_lock); work->id = total_work++; cg_wunlock(&control_lock); return work; } /* This is the central place all work that is about to be retired should be * cleaned to remove any dynamically allocated arrays within the struct */ void clean_work(struct work *work) { free(work->job_id); free(work->ntime); free(work->coinbase); free(work->nonce1); memset(work, 0, sizeof(struct work)); } /* All dynamically allocated work structs should be freed here to not leak any * ram from arrays allocated within the work struct */ void free_work(struct work *work) { clean_work(work); free(work); } static void gen_hash(unsigned char *data, unsigned char *hash, int len); static void calc_diff(struct work *work, double known); char *workpadding = "000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"; #ifdef HAVE_LIBCURL /* Process transactions with GBT by storing the binary value of the first * transaction, and the hashes of the remaining transactions since these * remain constant with an altered coinbase when generating work. Must be * entered under gbt_lock */ static bool __build_gbt_txns(struct pool *pool, json_t *res_val) { json_t *txn_array; bool ret = false; size_t cal_len; int i; free(pool->txn_hashes); pool->txn_hashes = NULL; pool->gbt_txns = 0; txn_array = json_object_get(res_val, "transactions"); if (!json_is_array(txn_array)) goto out; ret = true; pool->gbt_txns = json_array_size(txn_array); if (!pool->gbt_txns) goto out; pool->txn_hashes = calloc(32 * (pool->gbt_txns + 1), 1); if (unlikely(!pool->txn_hashes)) quit(1, "Failed to calloc txn_hashes in __build_gbt_txns"); for (i = 0; i < pool->gbt_txns; i++) { json_t *txn_val = json_object_get(json_array_get(txn_array, i), "data"); const char *txn = json_string_value(txn_val); int txn_len = strlen(txn); unsigned char *txn_bin; cal_len = txn_len; align_len(&cal_len); txn_bin = calloc(cal_len, 1); if (unlikely(!txn_bin)) quit(1, "Failed to calloc txn_bin in __build_gbt_txns"); if (unlikely(!hex2bin(txn_bin, txn, txn_len / 2))) quit(1, "Failed to hex2bin txn_bin"); gen_hash(txn_bin, pool->txn_hashes + (32 * i), txn_len / 2); free(txn_bin); } out: return ret; } static unsigned char *__gbt_merkleroot(struct pool *pool) { unsigned char *merkle_hash; int i, txns; merkle_hash = calloc(32 * (pool->gbt_txns + 2), 1); if (unlikely(!merkle_hash)) quit(1, "Failed to calloc merkle_hash in __gbt_merkleroot"); gen_hash(pool->coinbase, merkle_hash, pool->coinbase_len); if (pool->gbt_txns) memcpy(merkle_hash + 32, pool->txn_hashes, pool->gbt_txns * 32); txns = pool->gbt_txns + 1; while (txns > 1) { if (txns % 2) { memcpy(&merkle_hash[txns * 32], &merkle_hash[(txns - 1) * 32], 32); txns++; } for (i = 0; i < txns; i += 2){ unsigned char hashout[32]; gen_hash(merkle_hash + (i * 32), hashout, 64); memcpy(merkle_hash + (i / 2 * 32), hashout, 32); } txns /= 2; } return merkle_hash; } static bool work_decode(struct pool *pool, struct work *work, json_t *val); static void update_gbt(struct pool *pool) { int rolltime; json_t *val; CURL *curl; curl = curl_easy_init(); if (unlikely(!curl)) quit (1, "CURL initialisation failed in update_gbt"); val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, pool->rpc_req, true, false, &rolltime, pool, false); if (val) { struct work *work = make_work(); bool rc = work_decode(pool, work, val); total_getworks++; pool->getwork_requested++; if (rc) { applog(LOG_DEBUG, "Successfully retrieved and updated GBT from pool %u %s", pool->pool_no, pool->rpc_url); cgtime(&pool->tv_idle); if (pool == current_pool()) opt_work_update = true; } else { applog(LOG_DEBUG, "Successfully retrieved but FAILED to decipher GBT from pool %u %s", pool->pool_no, pool->rpc_url); } json_decref(val); free_work(work); } else { applog(LOG_DEBUG, "FAILED to update GBT from pool %u %s", pool->pool_no, pool->rpc_url); } curl_easy_cleanup(curl); } static void gen_gbt_work(struct pool *pool, struct work *work) { unsigned char *merkleroot; struct timeval now; cgtime(&now); if (now.tv_sec - pool->tv_lastwork.tv_sec > 60) update_gbt(pool); cg_wlock(&pool->gbt_lock); memcpy(pool->coinbase + pool->nonce2_offset, &pool->nonce2, 4); pool->nonce2++; cg_dwlock(&pool->gbt_lock); merkleroot = __gbt_merkleroot(pool); memcpy(work->data, &pool->gbt_version, 4); memcpy(work->data + 4, pool->previousblockhash, 32); memcpy(work->data + 4 + 32 + 32, &pool->curtime, 4); memcpy(work->data + 4 + 32 + 32 + 4, &pool->gbt_bits, 4); memcpy(work->target, pool->gbt_target, 32); work->coinbase = bin2hex(pool->coinbase, pool->coinbase_len); /* For encoding the block data on submission */ work->gbt_txns = pool->gbt_txns + 1; if (pool->gbt_workid) work->job_id = strdup(pool->gbt_workid); cg_runlock(&pool->gbt_lock); flip32(work->data + 4 + 32, merkleroot); free(merkleroot); memset(work->data + 4 + 32 + 32 + 4 + 4, 0, 4); /* nonce */ hex2bin(work->data + 4 + 32 + 32 + 4 + 4 + 4, workpadding, 48); if (opt_debug) { char *header = bin2hex(work->data, 128); applog(LOG_DEBUG, "Generated GBT header %s", header); applog(LOG_DEBUG, "Work coinbase %s", work->coinbase); free(header); } calc_midstate(work); local_work++; work->pool = pool; work->gbt = true; work->id = total_work++; work->longpoll = false; work->getwork_mode = GETWORK_MODE_GBT; work->work_block = work_block; /* Nominally allow a driver to ntime roll 60 seconds */ work->drv_rolllimit = 60; calc_diff(work, 0); cgtime(&work->tv_staged); } static bool gbt_decode(struct pool *pool, json_t *res_val) { const char *previousblockhash; const char *target; const char *coinbasetxn; const char *longpollid; unsigned char hash_swap[32]; int expires; int version; int curtime; bool submitold; const char *bits; const char *workid; int cbt_len, orig_len; uint8_t *extra_len; size_t cal_len; previousblockhash = json_string_value(json_object_get(res_val, "previousblockhash")); target = json_string_value(json_object_get(res_val, "target")); coinbasetxn = json_string_value(json_object_get(json_object_get(res_val, "coinbasetxn"), "data")); longpollid = json_string_value(json_object_get(res_val, "longpollid")); expires = json_integer_value(json_object_get(res_val, "expires")); version = json_integer_value(json_object_get(res_val, "version")); curtime = json_integer_value(json_object_get(res_val, "curtime")); submitold = json_is_true(json_object_get(res_val, "submitold")); bits = json_string_value(json_object_get(res_val, "bits")); workid = json_string_value(json_object_get(res_val, "workid")); if (!previousblockhash || !target || !coinbasetxn || !longpollid || !expires || !version || !curtime || !bits) { applog(LOG_ERR, "JSON failed to decode GBT"); return false; } applog(LOG_DEBUG, "previousblockhash: %s", previousblockhash); applog(LOG_DEBUG, "target: %s", target); applog(LOG_DEBUG, "coinbasetxn: %s", coinbasetxn); applog(LOG_DEBUG, "longpollid: %s", longpollid); applog(LOG_DEBUG, "expires: %d", expires); applog(LOG_DEBUG, "version: %d", version); applog(LOG_DEBUG, "curtime: %d", curtime); applog(LOG_DEBUG, "submitold: %s", submitold ? "true" : "false"); applog(LOG_DEBUG, "bits: %s", bits); if (workid) applog(LOG_DEBUG, "workid: %s", workid); cg_wlock(&pool->gbt_lock); free(pool->coinbasetxn); pool->coinbasetxn = strdup(coinbasetxn); cbt_len = strlen(pool->coinbasetxn) / 2; pool->coinbase_len = cbt_len + 4; /* We add 4 bytes of extra data corresponding to nonce2 of stratum */ cal_len = pool->coinbase_len + 1; align_len(&cal_len); free(pool->coinbase); pool->coinbase = calloc(cal_len, 1); if (unlikely(!pool->coinbase)) quit(1, "Failed to calloc pool coinbase in gbt_decode"); hex2bin(pool->coinbase, pool->coinbasetxn, 42); extra_len = (uint8_t *)(pool->coinbase + 41); orig_len = *extra_len; hex2bin(pool->coinbase + 42, pool->coinbasetxn + 84, orig_len); *extra_len += 4; hex2bin(pool->coinbase + 42 + *extra_len, pool->coinbasetxn + 84 + (orig_len * 2), cbt_len - orig_len - 42); pool->nonce2_offset = orig_len + 42; free(pool->longpollid); pool->longpollid = strdup(longpollid); free(pool->gbt_workid); if (workid) pool->gbt_workid = strdup(workid); else pool->gbt_workid = NULL; hex2bin(hash_swap, previousblockhash, 32); swap256(pool->previousblockhash, hash_swap); hex2bin(hash_swap, target, 32); swab256(pool->gbt_target, hash_swap); pool->gbt_expires = expires; pool->gbt_version = htobe32(version); pool->curtime = htobe32(curtime); pool->submit_old = submitold; hex2bin((unsigned char *)&pool->gbt_bits, bits, 4); __build_gbt_txns(pool, res_val); cg_wunlock(&pool->gbt_lock); return true; } static bool getwork_decode(json_t *res_val, struct work *work) { if (unlikely(!jobj_binary(res_val, "data", work->data, sizeof(work->data), true))) { applog(LOG_ERR, "JSON inval data"); return false; } if (!jobj_binary(res_val, "midstate", work->midstate, sizeof(work->midstate), false)) { // Calculate it ourselves applog(LOG_DEBUG, "Calculating midstate locally"); calc_midstate(work); } if (unlikely(!jobj_binary(res_val, "target", work->target, sizeof(work->target), true))) { applog(LOG_ERR, "JSON inval target"); return false; } return true; } /* Returns whether the pool supports local work generation or not. */ static bool pool_localgen(struct pool *pool) { return (pool->has_stratum || pool->has_gbt); } static bool work_decode(struct pool *pool, struct work *work, json_t *val) { json_t *res_val = json_object_get(val, "result"); bool ret = false; cgtime(&pool->tv_lastwork); if (!res_val || json_is_null(res_val)) { applog(LOG_ERR, "JSON Failed to decode result"); goto out; } if (pool->has_gbt) { if (unlikely(!gbt_decode(pool, res_val))) goto out; work->gbt = true; ret = true; goto out; } else if (unlikely(!getwork_decode(res_val, work))) goto out; memset(work->hash, 0, sizeof(work->hash)); cgtime(&work->tv_staged); ret = true; out: return ret; } #else /* HAVE_LIBCURL */ /* Always true with stratum */ #define pool_localgen(pool) (true) #define json_rpc_call(curl, url, userpass, rpc_req, probe, longpoll, rolltime, pool, share) (NULL) #define work_decode(pool, work, val) (false) #define gen_gbt_work(pool, work) {} #endif /* HAVE_LIBCURL */ int dev_from_id(int thr_id) { struct cgpu_info *cgpu = get_thr_cgpu(thr_id); return cgpu->device_id; } /* Create an exponentially decaying average over the opt_log_interval */ void decay_time(double *f, double fadd, double fsecs) { double ftotal, fprop; fprop = 1.0 - 1 / (exp(fsecs / (double)opt_log_interval)); ftotal = 1.0 + fprop; *f += (fadd * fprop); *f /= ftotal; } static int __total_staged(void) { return HASH_COUNT(staged_work); } static int total_staged(void) { int ret; mutex_lock(stgd_lock); ret = __total_staged(); mutex_unlock(stgd_lock); return ret; } #ifdef HAVE_CURSES WINDOW *mainwin, *statuswin, *logwin; #endif double total_secs = 1.0; static char statusline[256]; /* logstart is where the log window should start */ static int devcursor, logstart, logcursor; #ifdef HAVE_CURSES /* statusy is where the status window goes up to in cases where it won't fit at startup */ static int statusy; #endif struct cgpu_info gpus[MAX_GPUDEVICES]; /* Maximum number apparently possible */ #ifdef HAVE_CURSES static inline void unlock_curses(void) { mutex_unlock(&console_lock); } static inline void lock_curses(void) { mutex_lock(&console_lock); } static bool curses_active_locked(void) { bool ret; lock_curses(); ret = curses_active; if (!ret) unlock_curses(); return ret; } #endif /* Convert a uint64_t value into a truncated string for displaying with its * associated suitable for Mega, Giga etc. Buf array needs to be long enough */ static void suffix_string(uint64_t val, char *buf, size_t bufsiz, int sigdigits) { const double dkilo = 1000.0; const uint64_t kilo = 1000ull; const uint64_t mega = 1000000ull; const uint64_t giga = 1000000000ull; const uint64_t tera = 1000000000000ull; const uint64_t peta = 1000000000000000ull; const uint64_t exa = 1000000000000000000ull; char suffix[2] = ""; bool decimal = true; double dval; if (val >= exa) { val /= peta; dval = (double)val / dkilo; strcpy(suffix, "E"); } else if (val >= peta) { val /= tera; dval = (double)val / dkilo; strcpy(suffix, "P"); } else if (val >= tera) { val /= giga; dval = (double)val / dkilo; strcpy(suffix, "T"); } else if (val >= giga) { val /= mega; dval = (double)val / dkilo; strcpy(suffix, "G"); } else if (val >= mega) { val /= kilo; dval = (double)val / dkilo; strcpy(suffix, "M"); } else if (val >= kilo) { dval = (double)val / dkilo; strcpy(suffix, "K"); } else { dval = val; decimal = false; } if (!sigdigits) { if (decimal) snprintf(buf, bufsiz, "%.3g%s", dval, suffix); else snprintf(buf, bufsiz, "%d%s", (unsigned int)dval, suffix); } else { /* Always show sigdigits + 1, padded on right with zeroes * followed by suffix */ int ndigits = sigdigits - 1 - (dval > 0.0 ? floor(log10(dval)) : 0); snprintf(buf, bufsiz, "%*.*f%s", sigdigits + 1, ndigits, dval, suffix); } } static void get_statline(char *buf, size_t bufsiz, struct cgpu_info *cgpu) { char displayed_hashes[16], displayed_rolling[16]; uint64_t dh64, dr64; struct timeval now; double dev_runtime, wu; if (cgpu->dev_start_tv.tv_sec == 0) dev_runtime = total_secs; else { cgtime(&now); dev_runtime = tdiff(&now, &(cgpu->dev_start_tv)); } if (dev_runtime < 1.0) dev_runtime = 1.0; wu = cgpu->diff1 / dev_runtime * 60.0; dh64 = (double)cgpu->total_mhashes / dev_runtime * 1000000ull; dr64 = (double)cgpu->rolling * 1000000ull; suffix_string(dh64, displayed_hashes, sizeof(displayed_hashes), 4); suffix_string(dr64, displayed_rolling, sizeof(displayed_rolling), 4); snprintf(buf, bufsiz, "%s%d ", cgpu->drv->name, cgpu->device_id); cgpu->drv->get_statline_before(buf, bufsiz, cgpu); tailsprintf(buf, bufsiz, "(%ds):%s (avg):%sh/s | A:%.0f R:%.0f HW:%d WU:%.1f/m", opt_log_interval, displayed_rolling, displayed_hashes, cgpu->diff_accepted, cgpu->diff_rejected, cgpu->hw_errors, wu); cgpu->drv->get_statline(buf, bufsiz, cgpu); } static bool shared_strategy(void) { return (pool_strategy == POOL_LOADBALANCE || pool_strategy == POOL_BALANCE); } #ifdef HAVE_CURSES #define CURBUFSIZ 256 #define cg_mvwprintw(win, y, x, fmt, ...) do { \ char tmp42[CURBUFSIZ]; \ snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \ mvwprintw(win, y, x, "%s", tmp42); \ } while (0) #define cg_wprintw(win, fmt, ...) do { \ char tmp42[CURBUFSIZ]; \ snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \ wprintw(win, "%s", tmp42); \ } while (0) /* Must be called with curses mutex lock held and curses_active */ static void curses_print_status(void) { struct pool *pool = current_pool(); wattron(statuswin, A_BOLD); cg_mvwprintw(statuswin, 0, 0, " " PACKAGE " version " VERSION " - Started: %s", datestamp); wattroff(statuswin, A_BOLD); mvwhline(statuswin, 1, 0, '-', 80); cg_mvwprintw(statuswin, 2, 0, " %s", statusline); wclrtoeol(statuswin); cg_mvwprintw(statuswin, 3, 0, " ST: %d SS: %d NB: %d LW: %d GF: %d RF: %d", total_staged(), total_stale, new_blocks, local_work, total_go, total_ro); wclrtoeol(statuswin); if (shared_strategy() && total_pools > 1) { cg_mvwprintw(statuswin, 4, 0, " Connected to multiple pools with%s block change notify", have_longpoll ? "": "out"); } else if (pool->has_stratum) { cg_mvwprintw(statuswin, 4, 0, " Connected to %s diff %s with stratum as user %s", pool->sockaddr_url, pool->diff, pool->rpc_user); } else { cg_mvwprintw(statuswin, 4, 0, " Connected to %s diff %s with%s %s as user %s", pool->sockaddr_url, pool->diff, have_longpoll ? "": "out", pool->has_gbt ? "GBT" : "LP", pool->rpc_user); } wclrtoeol(statuswin); cg_mvwprintw(statuswin, 5, 0, " Block: %s... Diff:%s Started: %s Best share: %s ", prev_block, block_diff, blocktime, best_share); mvwhline(statuswin, 6, 0, '-', 80); mvwhline(statuswin, statusy - 1, 0, '-', 80); cg_mvwprintw(statuswin, devcursor - 1, 1, "[P]ool management [G]PU management [S]ettings [D]isplay options [Q]uit"); } static void adj_width(int var, int *length) { if ((int)(log10(var) + 1) > *length) (*length)++; } static int dev_width; static void curses_print_devstatus(struct cgpu_info *cgpu, int count) { static int drwidth = 5, hwwidth = 1, wuwidth = 1; char logline[256]; char displayed_hashes[16], displayed_rolling[16]; float reject_pct = 0.0; uint64_t dh64, dr64; struct timeval now; double dev_runtime, wu; if (opt_compact) return; if (devcursor + count > LINES - 2) return; if (count >= most_devices) return; if (cgpu->dev_start_tv.tv_sec == 0) dev_runtime = total_secs; else { cgtime(&now); dev_runtime = tdiff(&now, &(cgpu->dev_start_tv)); } if (dev_runtime < 1.0) dev_runtime = 1.0; cgpu->utility = cgpu->accepted / dev_runtime * 60; wu = cgpu->diff1 / dev_runtime * 60; wmove(statuswin,devcursor + count, 0); cg_wprintw(statuswin, " %s %*d: ", cgpu->drv->name, dev_width, cgpu->device_id); logline[0] = '\0'; cgpu->drv->get_statline_before(logline, sizeof(logline), cgpu); cg_wprintw(statuswin, "%s", logline); dh64 = (double)cgpu->total_mhashes / dev_runtime * 1000000ull; dr64 = (double)cgpu->rolling * 1000000ull; suffix_string(dh64, displayed_hashes, sizeof(displayed_hashes), 4); suffix_string(dr64, displayed_rolling, sizeof(displayed_rolling), 4); if (cgpu->status == LIFE_DEAD) cg_wprintw(statuswin, "DEAD "); else if (cgpu->status == LIFE_SICK) cg_wprintw(statuswin, "SICK "); else if (cgpu->deven == DEV_DISABLED) cg_wprintw(statuswin, "OFF "); else if (cgpu->deven == DEV_RECOVER) cg_wprintw(statuswin, "REST "); else cg_wprintw(statuswin, "%6s", displayed_rolling); if ((cgpu->diff_accepted + cgpu->diff_rejected) > 0) reject_pct = (cgpu->diff_rejected / (cgpu->diff_accepted + cgpu->diff_rejected)) * 100; adj_width(cgpu->hw_errors, &hwwidth); adj_width(wu, &wuwidth); cg_wprintw(statuswin, "/%6sh/s | R:%*.1f%% HW:%*d WU:%*.1f/m", displayed_hashes, drwidth, reject_pct, hwwidth, cgpu->hw_errors, wuwidth + 2, wu); logline[0] = '\0'; cgpu->drv->get_statline(logline, sizeof(logline), cgpu); cg_wprintw(statuswin, "%s", logline); wclrtoeol(statuswin); } #endif #ifdef HAVE_CURSES /* Check for window resize. Called with curses mutex locked */ static inline void change_logwinsize(void) { int x, y, logx, logy; getmaxyx(mainwin, y, x); if (x < 80 || y < 25) return; if (y > statusy + 2 && statusy < logstart) { if (y - 2 < logstart) statusy = y - 2; else statusy = logstart; logcursor = statusy + 1; mvwin(logwin, logcursor, 0); wresize(statuswin, statusy, x); } y -= logcursor; getmaxyx(logwin, logy, logx); /* Detect screen size change */ if (x != logx || y != logy) wresize(logwin, y, x); } static void check_winsizes(void) { if (!use_curses) return; if (curses_active_locked()) { int y, x; erase(); x = getmaxx(statuswin); if (logstart > LINES - 2) statusy = LINES - 2; else statusy = logstart; logcursor = statusy + 1; wresize(statuswin, statusy, x); getmaxyx(mainwin, y, x); y -= logcursor; wresize(logwin, y, x); mvwin(logwin, logcursor, 0); unlock_curses(); } } static void disable_curses_windows(void); static void enable_curses_windows(void); static void switch_logsize(bool __maybe_unused newdevs) { if (curses_active_locked()) { #ifdef WIN32 if (newdevs) disable_curses_windows(); #endif if (opt_compact) { logstart = devcursor + 1; logcursor = logstart + 1; } else { logstart = devcursor + most_devices + 1; logcursor = logstart + 1; } #ifdef WIN32 if (newdevs) enable_curses_windows(); #endif unlock_curses(); check_winsizes(); } } /* For mandatory printing when mutex is already locked */ void _wlog(const char *str) { wprintw(logwin, "%s", str); } /* Mandatory printing */ void _wlogprint(const char *str) { if (curses_active_locked()) { wprintw(logwin, "%s", str); unlock_curses(); } } #else static void switch_logsize(bool __maybe_unused newdevs) { } #endif #ifdef HAVE_CURSES bool log_curses_only(int prio, const char *datetime, const char *str) { bool high_prio; high_prio = (prio == LOG_WARNING || prio == LOG_ERR); if (curses_active_locked()) { if (!opt_loginput || high_prio) { wprintw(logwin, "%s%s\n", datetime, str); if (high_prio) { touchwin(logwin); wrefresh(logwin); } } unlock_curses(); return true; } return false; } void clear_logwin(void) { if (curses_active_locked()) { erase(); wclear(logwin); unlock_curses(); } } void logwin_update(void) { if (curses_active_locked()) { touchwin(logwin); wrefresh(logwin); unlock_curses(); } } #endif static void enable_pool(struct pool *pool) { if (pool->enabled != POOL_ENABLED) { enabled_pools++; pool->enabled = POOL_ENABLED; } } #ifdef HAVE_CURSES static void disable_pool(struct pool *pool) { if (pool->enabled == POOL_ENABLED) enabled_pools--; pool->enabled = POOL_DISABLED; } #endif static void reject_pool(struct pool *pool) { if (pool->enabled == POOL_ENABLED) enabled_pools--; pool->enabled = POOL_REJECTING; } static void restart_threads(void); /* Theoretically threads could race when modifying accepted and * rejected values but the chance of two submits completing at the * same time is zero so there is no point adding extra locking */ static void share_result(json_t *val, json_t *res, json_t *err, const struct work *work, char *hashshow, bool resubmit, char *worktime) { struct pool *pool = work->pool; struct cgpu_info *cgpu; cgpu = get_thr_cgpu(work->thr_id); if (json_is_true(res) || (work->gbt && json_is_null(res))) { mutex_lock(&stats_lock); cgpu->accepted++; total_accepted++; pool->accepted++; cgpu->diff_accepted += work->work_difficulty; total_diff_accepted += work->work_difficulty; pool->diff_accepted += work->work_difficulty; mutex_unlock(&stats_lock); pool->seq_rejects = 0; cgpu->last_share_pool = pool->pool_no; cgpu->last_share_pool_time = time(NULL); cgpu->last_share_diff = work->work_difficulty; pool->last_share_time = cgpu->last_share_pool_time; pool->last_share_diff = work->work_difficulty; applog(LOG_DEBUG, "PROOF OF WORK RESULT: true (yay!!!)"); if (!QUIET) { if (total_pools > 1) applog(LOG_NOTICE, "Accepted %s %s %d pool %d %s%s", hashshow, cgpu->drv->name, cgpu->device_id, work->pool->pool_no, resubmit ? "(resubmit)" : "", worktime); else applog(LOG_NOTICE, "Accepted %s %s %d %s%s", hashshow, cgpu->drv->name, cgpu->device_id, resubmit ? "(resubmit)" : "", worktime); } sharelog("accept", work); if (opt_shares && total_accepted >= opt_shares) { applog(LOG_WARNING, "Successfully mined %d accepted shares as requested and exiting.", opt_shares); kill_work(); return; } /* Detect if a pool that has been temporarily disabled for * continually rejecting shares has started accepting shares. * This will only happen with the work returned from a * longpoll */ if (unlikely(pool->enabled == POOL_REJECTING)) { applog(LOG_WARNING, "Rejecting pool %d now accepting shares, re-enabling!", pool->pool_no); enable_pool(pool); switch_pools(NULL); } /* If we know we found the block we know better than anyone * that new work is needed. */ if (unlikely(work->block)) restart_threads(); } else { mutex_lock(&stats_lock); cgpu->rejected++; total_rejected++; pool->rejected++; cgpu->diff_rejected += work->work_difficulty; total_diff_rejected += work->work_difficulty; pool->diff_rejected += work->work_difficulty; pool->seq_rejects++; mutex_unlock(&stats_lock); applog(LOG_DEBUG, "PROOF OF WORK RESULT: false (booooo)"); if (!QUIET) { char where[20]; char disposition[36] = "reject"; char reason[32]; strcpy(reason, ""); if (total_pools > 1) snprintf(where, sizeof(where), "pool %d", work->pool->pool_no); else strcpy(where, ""); if (!work->gbt) res = json_object_get(val, "reject-reason"); if (res) { const char *reasontmp = json_string_value(res); size_t reasonLen = strlen(reasontmp); if (reasonLen > 28) reasonLen = 28; reason[0] = ' '; reason[1] = '('; memcpy(2 + reason, reasontmp, reasonLen); reason[reasonLen + 2] = ')'; reason[reasonLen + 3] = '\0'; memcpy(disposition + 7, reasontmp, reasonLen); disposition[6] = ':'; disposition[reasonLen + 7] = '\0'; } else if (work->stratum && err && json_is_array(err)) { json_t *reason_val = json_array_get(err, 1); char *reason_str; if (reason_val && json_is_string(reason_val)) { reason_str = (char *)json_string_value(reason_val); snprintf(reason, 31, " (%s)", reason_str); } } applog(LOG_NOTICE, "Rejected %s %s %d %s%s %s%s", hashshow, cgpu->drv->name, cgpu->device_id, where, reason, resubmit ? "(resubmit)" : "", worktime); sharelog(disposition, work); } /* Once we have more than a nominal amount of sequential rejects, * at least 10 and more than 3 mins at the current utility, * disable the pool because some pool error is likely to have * ensued. Do not do this if we know the share just happened to * be stale due to networking delays. */ if (pool->seq_rejects > 10 && !work->stale && opt_disable_pool && enabled_pools > 1) { double utility = total_accepted / total_secs * 60; if (pool->seq_rejects > utility * 3) { applog(LOG_WARNING, "Pool %d rejected %d sequential shares, disabling!", pool->pool_no, pool->seq_rejects); reject_pool(pool); if (pool == current_pool()) switch_pools(NULL); pool->seq_rejects = 0; } } } } #ifdef HAVE_LIBCURL static void text_print_status(int thr_id) { struct cgpu_info *cgpu; char logline[256]; cgpu = get_thr_cgpu(thr_id); if (cgpu) { get_statline(logline, sizeof(logline), cgpu); printf("%s\n", logline); } } static void print_status(int thr_id) { if (!curses_active) text_print_status(thr_id); } static void show_hash(struct work *work, char *hashshow) { unsigned char rhash[32]; char diffdisp[16]; unsigned long h32; uint32_t *hash32; int intdiff, ofs; swab256(rhash, work->hash); for (ofs = 0; ofs <= 28; ofs ++) { if (rhash[ofs]) break; } hash32 = (uint32_t *)(rhash + ofs); h32 = be32toh(*hash32); intdiff = round(work->work_difficulty); suffix_string(work->share_diff, diffdisp, sizeof (diffdisp), 0); snprintf(hashshow, 64, "%08lx Diff %s/%d%s", h32, diffdisp, intdiff, work->block? " BLOCK!" : ""); } static bool submit_upstream_work(struct work *work, CURL *curl, bool resubmit) { char *hexstr = NULL; json_t *val, *res, *err; char *s; bool rc = false; int thr_id = work->thr_id; struct cgpu_info *cgpu; struct pool *pool = work->pool; int rolltime; struct timeval tv_submit, tv_submit_reply; char hashshow[64 + 4] = ""; char worktime[200] = ""; struct timeval now; double dev_runtime; cgpu = get_thr_cgpu(thr_id); endian_flip128(work->data, work->data); /* build hex string */ hexstr = bin2hex(work->data, sizeof(work->data)); /* build JSON-RPC request */ if (work->gbt) { char *gbt_block, *varint; unsigned char data[80]; flip80(data, work->data); gbt_block = bin2hex(data, 80); if (work->gbt_txns < 0xfd) { uint8_t val = work->gbt_txns; varint = bin2hex((const unsigned char *)&val, 1); } else if (work->gbt_txns <= 0xffff) { uint16_t val = htole16(work->gbt_txns); gbt_block = realloc_strcat(gbt_block, "fd"); varint = bin2hex((const unsigned char *)&val, 2); } else { uint32_t val = htole32(work->gbt_txns); gbt_block = realloc_strcat(gbt_block, "fe"); varint = bin2hex((const unsigned char *)&val, 4); } gbt_block = realloc_strcat(gbt_block, varint); free(varint); gbt_block = realloc_strcat(gbt_block, work->coinbase); s = strdup("{\"id\": 0, \"method\": \"submitblock\", \"params\": [\""); s = realloc_strcat(s, gbt_block); if (work->job_id) { s = realloc_strcat(s, "\", {\"workid\": \""); s = realloc_strcat(s, work->job_id); s = realloc_strcat(s, "\"}]}"); } else s = realloc_strcat(s, "\", {}]}"); free(gbt_block); } else { s = strdup("{\"method\": \"getwork\", \"params\": [ \""); s = realloc_strcat(s, hexstr); s = realloc_strcat(s, "\" ], \"id\":1}"); } applog(LOG_DEBUG, "DBG: sending %s submit RPC call: %s", pool->rpc_url, s); s = realloc_strcat(s, "\n"); cgtime(&tv_submit); /* issue JSON-RPC request */ val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, s, false, false, &rolltime, pool, true); cgtime(&tv_submit_reply); free(s); if (unlikely(!val)) { applog(LOG_INFO, "submit_upstream_work json_rpc_call failed"); if (!pool_tset(pool, &pool->submit_fail)) { total_ro++; pool->remotefail_occasions++; if (opt_lowmem) { applog(LOG_WARNING, "Pool %d communication failure, discarding shares", pool->pool_no); goto out; } applog(LOG_WARNING, "Pool %d communication failure, caching submissions", pool->pool_no); } cgsleep_ms(5000); goto out; } else if (pool_tclear(pool, &pool->submit_fail)) applog(LOG_WARNING, "Pool %d communication resumed, submitting work", pool->pool_no); res = json_object_get(val, "result"); err = json_object_get(val, "error"); if (!QUIET) { show_hash(work, hashshow); if (opt_worktime) { char workclone[20]; struct tm *tm, tm_getwork, tm_submit_reply; double getwork_time = tdiff((struct timeval *)&(work->tv_getwork_reply), (struct timeval *)&(work->tv_getwork)); double getwork_to_work = tdiff((struct timeval *)&(work->tv_work_start), (struct timeval *)&(work->tv_getwork_reply)); double work_time = tdiff((struct timeval *)&(work->tv_work_found), (struct timeval *)&(work->tv_work_start)); double work_to_submit = tdiff(&tv_submit, (struct timeval *)&(work->tv_work_found)); double submit_time = tdiff(&tv_submit_reply, &tv_submit); int diffplaces = 3; time_t tmp_time = work->tv_getwork.tv_sec; tm = localtime(&tmp_time); memcpy(&tm_getwork, tm, sizeof(struct tm)); tmp_time = tv_submit_reply.tv_sec; tm = localtime(&tmp_time); memcpy(&tm_submit_reply, tm, sizeof(struct tm)); if (work->clone) { snprintf(workclone, sizeof(workclone), "C:%1.3f", tdiff((struct timeval *)&(work->tv_cloned), (struct timeval *)&(work->tv_getwork_reply))); } else strcpy(workclone, "O"); if (work->work_difficulty < 1) diffplaces = 6; snprintf(worktime, sizeof(worktime), " <-%08lx.%08lx M:%c D:%1.*f G:%02d:%02d:%02d:%1.3f %s (%1.3f) W:%1.3f (%1.3f) S:%1.3f R:%02d:%02d:%02d", (unsigned long)be32toh(*(uint32_t *)&(work->data[32])), (unsigned long)be32toh(*(uint32_t *)&(work->data[28])), work->getwork_mode, diffplaces, work->work_difficulty, tm_getwork.tm_hour, tm_getwork.tm_min, tm_getwork.tm_sec, getwork_time, workclone, getwork_to_work, work_time, work_to_submit, submit_time, tm_submit_reply.tm_hour, tm_submit_reply.tm_min, tm_submit_reply.tm_sec); } } share_result(val, res, err, work, hashshow, resubmit, worktime); if (cgpu->dev_start_tv.tv_sec == 0) dev_runtime = total_secs; else { cgtime(&now); dev_runtime = tdiff(&now, &(cgpu->dev_start_tv)); } if (dev_runtime < 1.0) dev_runtime = 1.0; cgpu->utility = cgpu->accepted / dev_runtime * 60; if (!opt_realquiet) print_status(thr_id); if (!want_per_device_stats) { char logline[256]; get_statline(logline, sizeof(logline), cgpu); applog(LOG_INFO, "%s", logline); } json_decref(val); rc = true; out: free(hexstr); return rc; } static bool get_upstream_work(struct work *work, CURL *curl) { struct pool *pool = work->pool; struct cgminer_pool_stats *pool_stats = &(pool->cgminer_pool_stats); struct timeval tv_elapsed; json_t *val = NULL; bool rc = false; char *url; applog(LOG_DEBUG, "DBG: sending %s get RPC call: %s", pool->rpc_url, pool->rpc_req); url = pool->rpc_url; cgtime(&work->tv_getwork); val = json_rpc_call(curl, url, pool->rpc_userpass, pool->rpc_req, false, false, &work->rolltime, pool, false); pool_stats->getwork_attempts++; if (likely(val)) { rc = work_decode(pool, work, val); if (unlikely(!rc)) applog(LOG_DEBUG, "Failed to decode work in get_upstream_work"); } else applog(LOG_DEBUG, "Failed json_rpc_call in get_upstream_work"); cgtime(&work->tv_getwork_reply); timersub(&(work->tv_getwork_reply), &(work->tv_getwork), &tv_elapsed); pool_stats->getwork_wait_rolling += ((double)tv_elapsed.tv_sec + ((double)tv_elapsed.tv_usec / 1000000)) * 0.63; pool_stats->getwork_wait_rolling /= 1.63; timeradd(&tv_elapsed, &(pool_stats->getwork_wait), &(pool_stats->getwork_wait)); if (timercmp(&tv_elapsed, &(pool_stats->getwork_wait_max), >)) { pool_stats->getwork_wait_max.tv_sec = tv_elapsed.tv_sec; pool_stats->getwork_wait_max.tv_usec = tv_elapsed.tv_usec; } if (timercmp(&tv_elapsed, &(pool_stats->getwork_wait_min), <)) { pool_stats->getwork_wait_min.tv_sec = tv_elapsed.tv_sec; pool_stats->getwork_wait_min.tv_usec = tv_elapsed.tv_usec; } pool_stats->getwork_calls++; work->pool = pool; work->longpoll = false; work->getwork_mode = GETWORK_MODE_POOL; calc_diff(work, 0); total_getworks++; pool->getwork_requested++; if (likely(val)) json_decref(val); return rc; } #endif /* HAVE_LIBCURL */ /* Specifies whether we can use this pool for work or not. */ static bool pool_unworkable(struct pool *pool) { if (pool->idle) return true; if (pool->enabled != POOL_ENABLED) return true; if (pool->has_stratum && !pool->stratum_active) return true; return false; } /* In balanced mode, the amount of diff1 solutions per pool is monitored as a * rolling average per 10 minutes and if pools start getting more, it biases * away from them to distribute work evenly. The share count is reset to the * rolling average every 10 minutes to not send all work to one pool after it * has been disabled/out for an extended period. */ static struct pool *select_balanced(struct pool *cp) { int i, lowest = cp->shares; struct pool *ret = cp; for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; if (pool_unworkable(pool)) continue; if (pool->shares < lowest) { lowest = pool->shares; ret = pool; } } ret->shares++; return ret; } static struct pool *priority_pool(int choice); static bool pool_unusable(struct pool *pool); /* Select any active pool in a rotating fashion when loadbalance is chosen if * it has any quota left. */ static inline struct pool *select_pool(bool lagging) { static int rotating_pool = 0; struct pool *pool, *cp; bool avail = false; int tested, i; cp = current_pool(); if (pool_strategy == POOL_BALANCE) { pool = select_balanced(cp); goto out; } if (pool_strategy != POOL_LOADBALANCE && (!lagging || opt_fail_only)) { pool = cp; goto out; } else pool = NULL; for (i = 0; i < total_pools; i++) { struct pool *tp = pools[i]; if (tp->quota_used < tp->quota_gcd) { avail = true; break; } } /* There are no pools with quota, so reset them. */ if (!avail) { for (i = 0; i < total_pools; i++) pools[i]->quota_used = 0; if (++rotating_pool >= total_pools) rotating_pool = 0; } /* Try to find the first pool in the rotation that is usable */ tested = 0; while (!pool && tested++ < total_pools) { pool = pools[rotating_pool]; if (pool->quota_used++ < pool->quota_gcd) { if (!pool_unworkable(pool)) break; /* Failover-only flag for load-balance means distribute * unused quota to priority pool 0. */ if (opt_fail_only) priority_pool(0)->quota_used--; } pool = NULL; if (++rotating_pool >= total_pools) rotating_pool = 0; } /* If there are no alive pools with quota, choose according to * priority. */ if (!pool) { for (i = 0; i < total_pools; i++) { struct pool *tp = priority_pool(i); if (!pool_unusable(tp)) { pool = tp; break; } } } /* If still nothing is usable, use the current pool */ if (!pool) pool = cp; out: applog(LOG_DEBUG, "Selecting pool %d for work", pool->pool_no); return pool; } /* truediffone == 0x00000000FFFF0000000000000000000000000000000000000000000000000000 * Generate a 256 bit binary LE target by cutting up diff into 64 bit sized * portions or vice versa. */ static const double truediffone = 26959535291011309493156476344723991336010898738574164086137773096960.0; static const double bits192 = 6277101735386680763835789423207666416102355444464034512896.0; static const double bits128 = 340282366920938463463374607431768211456.0; static const double bits64 = 18446744073709551616.0; /* Converts a little endian 256 bit value to a double */ static double le256todouble(const void *target) { uint64_t *data64; double dcut64; data64 = (uint64_t *)(target + 24); dcut64 = le64toh(*data64) * bits192; data64 = (uint64_t *)(target + 16); dcut64 += le64toh(*data64) * bits128; data64 = (uint64_t *)(target + 8); dcut64 += le64toh(*data64) * bits64; data64 = (uint64_t *)(target); dcut64 += le64toh(*data64); return dcut64; } /* * Calculate the work->work_difficulty based on the work->target */ static void calc_diff(struct work *work, double known) { struct cgminer_pool_stats *pool_stats = &(work->pool->cgminer_pool_stats); double difficulty; int intdiff; if (known) work->work_difficulty = known; else { double d64, dcut64; d64 = (double)65536 * truediffone; dcut64 = le256todouble(work->target); if (unlikely(!dcut64)) dcut64 = 1; work->work_difficulty = d64 / dcut64; } difficulty = work->work_difficulty; pool_stats->last_diff = difficulty; intdiff = round(difficulty); suffix_string(intdiff, work->pool->diff, sizeof(work->pool->diff), 0); if (difficulty == pool_stats->min_diff) pool_stats->min_diff_count++; else if (difficulty < pool_stats->min_diff || pool_stats->min_diff == 0) { pool_stats->min_diff = difficulty; pool_stats->min_diff_count = 1; } if (difficulty == pool_stats->max_diff) pool_stats->max_diff_count++; else if (difficulty > pool_stats->max_diff) { pool_stats->max_diff = difficulty; pool_stats->max_diff_count = 1; } } static void get_benchmark_work(struct work *work) { // Use a random work block pulled from a pool static uint8_t bench_block[] = { CGMINER_BENCHMARK_BLOCK }; size_t bench_size = sizeof(*work); size_t work_size = sizeof(bench_block); size_t min_size = (work_size < bench_size ? work_size : bench_size); memset(work, 0, sizeof(*work)); memcpy(work, &bench_block, min_size); work->mandatory = true; work->pool = pools[0]; cgtime(&work->tv_getwork); copy_time(&work->tv_getwork_reply, &work->tv_getwork); work->getwork_mode = GETWORK_MODE_BENCHMARK; calc_diff(work, 0); } #ifdef HAVE_CURSES static void disable_curses_windows(void) { leaveok(logwin, false); leaveok(statuswin, false); leaveok(mainwin, false); nocbreak(); echo(); delwin(logwin); delwin(statuswin); } /* Force locking of curses console_lock on shutdown since a dead thread might * have grabbed the lock. */ static bool curses_active_forcelocked(void) { bool ret; mutex_trylock(&console_lock); ret = curses_active; if (!ret) unlock_curses(); return ret; } static void disable_curses(void) { if (curses_active_forcelocked()) { use_curses = false; curses_active = false; disable_curses_windows(); delwin(mainwin); endwin(); #ifdef WIN32 // Move the cursor to after curses output. HANDLE hout = GetStdHandle(STD_OUTPUT_HANDLE); CONSOLE_SCREEN_BUFFER_INFO csbi; COORD coord; if (GetConsoleScreenBufferInfo(hout, &csbi)) { coord.X = 0; coord.Y = csbi.dwSize.Y - 1; SetConsoleCursorPosition(hout, coord); } #endif unlock_curses(); } } #endif static void kill_timeout(struct thr_info *thr) { cg_completion_timeout(&thr_info_cancel, thr, 1000); } static void kill_mining(void) { struct thr_info *thr; int i; forcelog(LOG_DEBUG, "Killing off mining threads"); /* Kill the mining threads*/ for (i = 0; i < mining_threads; i++) { pthread_t *pth = NULL; thr = get_thread(i); if (thr && PTH(thr) != 0L) pth = &thr->pth; thr_info_cancel(thr); #ifndef WIN32 if (pth && *pth) pthread_join(*pth, NULL); #else if (pth && pth->p) pthread_join(*pth, NULL); #endif } } static void __kill_work(void) { struct thr_info *thr; int i; if (!successful_connect) return; forcelog(LOG_INFO, "Received kill message"); forcelog(LOG_DEBUG, "Killing off watchpool thread"); /* Kill the watchpool thread */ thr = &control_thr[watchpool_thr_id]; kill_timeout(thr); forcelog(LOG_DEBUG, "Killing off watchdog thread"); /* Kill the watchdog thread */ thr = &control_thr[watchdog_thr_id]; kill_timeout(thr); forcelog(LOG_DEBUG, "Shutting down mining threads"); for (i = 0; i < mining_threads; i++) { struct cgpu_info *cgpu; thr = get_thread(i); if (!thr) continue; cgpu = thr->cgpu; if (!cgpu) continue; cgpu->shutdown = true; } sleep(1); cg_completion_timeout(&kill_mining, NULL, 3000); forcelog(LOG_DEBUG, "Killing off stage thread"); /* Stop the others */ thr = &control_thr[stage_thr_id]; kill_timeout(thr); forcelog(LOG_DEBUG, "Killing off API thread"); thr = &control_thr[api_thr_id]; kill_timeout(thr); } /* This should be the common exit path */ void kill_work(void) { __kill_work(); quit(0, "Shutdown signal received."); } static #ifdef WIN32 const #endif char **initial_args; static void clean_up(bool restarting); void app_restart(void) { applog(LOG_WARNING, "Attempting to restart %s", packagename); __kill_work(); clean_up(true); #if defined(unix) || defined(__APPLE__) if (forkpid > 0) { kill(forkpid, SIGTERM); forkpid = 0; } #endif execv(initial_args[0], (EXECV_2ND_ARG_TYPE)initial_args); applog(LOG_WARNING, "Failed to restart application"); } static void sighandler(int __maybe_unused sig) { /* Restore signal handlers so we can still quit if kill_work fails */ sigaction(SIGTERM, &termhandler, NULL); sigaction(SIGINT, &inthandler, NULL); kill_work(); } #ifdef HAVE_LIBCURL /* Called with pool_lock held. Recruit an extra curl if none are available for * this pool. */ static void recruit_curl(struct pool *pool) { struct curl_ent *ce = calloc(sizeof(struct curl_ent), 1); if (unlikely(!ce)) quit(1, "Failed to calloc in recruit_curl"); ce->curl = curl_easy_init(); if (unlikely(!ce->curl)) quit(1, "Failed to init in recruit_curl"); list_add(&ce->node, &pool->curlring); pool->curls++; } /* Grab an available curl if there is one. If not, then recruit extra curls * unless we are in a submit_fail situation, or we have opt_delaynet enabled * and there are already 5 curls in circulation. Limit total number to the * number of mining threads per pool as well to prevent blasting a pool during * network delays/outages. */ static struct curl_ent *pop_curl_entry(struct pool *pool) { int curl_limit = opt_delaynet ? 5 : (mining_threads + opt_queue) * 2; bool recruited = false; struct curl_ent *ce; mutex_lock(&pool->pool_lock); retry: if (!pool->curls) { recruit_curl(pool); recruited = true; } else if (list_empty(&pool->curlring)) { if (pool->curls >= curl_limit) { pthread_cond_wait(&pool->cr_cond, &pool->pool_lock); goto retry; } else { recruit_curl(pool); recruited = true; } } ce = list_entry(pool->curlring.next, struct curl_ent, node); list_del(&ce->node); mutex_unlock(&pool->pool_lock); if (recruited) applog(LOG_DEBUG, "Recruited curl for pool %d", pool->pool_no); return ce; } static void push_curl_entry(struct curl_ent *ce, struct pool *pool) { mutex_lock(&pool->pool_lock); list_add_tail(&ce->node, &pool->curlring); cgtime(&ce->tv); pthread_cond_broadcast(&pool->cr_cond); mutex_unlock(&pool->pool_lock); } static bool stale_work(struct work *work, bool share); static inline bool should_roll(struct work *work) { struct timeval now; time_t expiry; if (work->pool != current_pool() && pool_strategy != POOL_LOADBALANCE && pool_strategy != POOL_BALANCE) return false; if (work->rolltime > opt_scantime) expiry = work->rolltime; else expiry = opt_scantime; expiry = expiry * 2 / 3; /* We shouldn't roll if we're unlikely to get one shares' duration * work out of doing so */ cgtime(&now); if (now.tv_sec - work->tv_staged.tv_sec > expiry) return false; return true; } /* Limit rolls to 7000 to not beyond 2 hours in the future where bitcoind will * reject blocks as invalid. */ static inline bool can_roll(struct work *work) { return (!work->stratum && work->pool && work->rolltime && !work->clone && work->rolls < 7000 && !stale_work(work, false)); } static void roll_work(struct work *work) { uint32_t *work_ntime; uint32_t ntime; work_ntime = (uint32_t *)(work->data + 68); ntime = be32toh(*work_ntime); ntime++; *work_ntime = htobe32(ntime); local_work++; work->rolls++; work->blk.nonce = 0; applog(LOG_DEBUG, "Successfully rolled work"); /* This is now a different work item so it needs a different ID for the * hashtable */ work->id = total_work++; } static void *submit_work_thread(void *userdata) { struct work *work = (struct work *)userdata; struct pool *pool = work->pool; bool resubmit = false; struct curl_ent *ce; pthread_detach(pthread_self()); RenameThread("submit_work"); applog(LOG_DEBUG, "Creating extra submit work thread"); ce = pop_curl_entry(pool); /* submit solution to bitcoin via JSON-RPC */ while (!submit_upstream_work(work, ce->curl, resubmit)) { if (opt_lowmem) { applog(LOG_NOTICE, "Pool %d share being discarded to minimise memory cache", pool->pool_no); break; } resubmit = true; if (stale_work(work, true)) { applog(LOG_NOTICE, "Pool %d share became stale while retrying submit, discarding", pool->pool_no); mutex_lock(&stats_lock); total_stale++; pool->stale_shares++; total_diff_stale += work->work_difficulty; pool->diff_stale += work->work_difficulty; mutex_unlock(&stats_lock); free_work(work); break; } /* pause, then restart work-request loop */ applog(LOG_INFO, "json_rpc_call failed on submit_work, retrying"); } push_curl_entry(ce, pool); return NULL; } static struct work *make_clone(struct work *work) { struct work *work_clone = copy_work(work); work_clone->clone = true; cgtime((struct timeval *)&(work_clone->tv_cloned)); work_clone->longpoll = false; work_clone->mandatory = false; /* Make cloned work appear slightly older to bias towards keeping the * master work item which can be further rolled */ work_clone->tv_staged.tv_sec -= 1; return work_clone; } static void stage_work(struct work *work); static bool clone_available(void) { struct work *work_clone = NULL, *work, *tmp; bool cloned = false; mutex_lock(stgd_lock); if (!staged_rollable) goto out_unlock; HASH_ITER(hh, staged_work, work, tmp) { if (can_roll(work) && should_roll(work)) { roll_work(work); work_clone = make_clone(work); roll_work(work); cloned = true; break; } } out_unlock: mutex_unlock(stgd_lock); if (cloned) { applog(LOG_DEBUG, "Pushing cloned available work to stage thread"); stage_work(work_clone); } return cloned; } /* Clones work by rolling it if possible, and returning a clone instead of the * original work item which gets staged again to possibly be rolled again in * the future */ static struct work *clone_work(struct work *work) { int mrs = mining_threads + opt_queue - total_staged(); struct work *work_clone; bool cloned; if (mrs < 1) return work; cloned = false; work_clone = make_clone(work); while (mrs-- > 0 && can_roll(work) && should_roll(work)) { applog(LOG_DEBUG, "Pushing rolled converted work to stage thread"); stage_work(work_clone); roll_work(work); work_clone = make_clone(work); /* Roll it again to prevent duplicates should this be used * directly later on */ roll_work(work); cloned = true; } if (cloned) { stage_work(work); return work_clone; } free_work(work_clone); return work; } #else /* HAVE_LIBCURL */ static void *submit_work_thread(void __maybe_unused *userdata) { pthread_detach(pthread_self()); return NULL; } #endif /* HAVE_LIBCURL */ /* Return an adjusted ntime if we're submitting work that a device has * internally offset the ntime. */ static char *offset_ntime(const char *ntime, int noffset) { unsigned char bin[4]; uint32_t h32, *be32 = (uint32_t *)bin; hex2bin(bin, ntime, 4); h32 = be32toh(*be32) + noffset; *be32 = htobe32(h32); return bin2hex(bin, 4); } /* Duplicates any dynamically allocated arrays within the work struct to * prevent a copied work struct from freeing ram belonging to another struct */ static void _copy_work(struct work *work, const struct work *base_work, int noffset) { int id = work->id; clean_work(work); memcpy(work, base_work, sizeof(struct work)); /* Keep the unique new id assigned during make_work to prevent copied * work from having the same id. */ work->id = id; if (base_work->job_id) work->job_id = strdup(base_work->job_id); if (base_work->nonce1) work->nonce1 = strdup(base_work->nonce1); if (base_work->ntime) { /* If we are passed an noffset the binary work->data ntime and * the work->ntime hex string need to be adjusted. */ if (noffset) { uint32_t *work_ntime = (uint32_t *)(work->data + 68); uint32_t ntime = be32toh(*work_ntime); ntime += noffset; *work_ntime = htobe32(ntime); work->ntime = offset_ntime(base_work->ntime, noffset); } else work->ntime = strdup(base_work->ntime); } else if (noffset) { uint32_t *work_ntime = (uint32_t *)(work->data + 68); uint32_t ntime = be32toh(*work_ntime); ntime += noffset; *work_ntime = htobe32(ntime); } if (base_work->coinbase) work->coinbase = strdup(base_work->coinbase); } /* Generates a copy of an existing work struct, creating fresh heap allocations * for all dynamically allocated arrays within the struct. noffset is used for * when a driver has internally rolled the ntime, noffset is a relative value. * The macro copy_work() calls this function with an noffset of 0. */ struct work *copy_work_noffset(struct work *base_work, int noffset) { struct work *work = make_work(); _copy_work(work, base_work, noffset); return work; } static void pool_died(struct pool *pool) { if (!pool_tset(pool, &pool->idle)) { cgtime(&pool->tv_idle); if (pool == current_pool()) { applog(LOG_WARNING, "Pool %d %s not responding!", pool->pool_no, pool->rpc_url); switch_pools(NULL); } else applog(LOG_INFO, "Pool %d %s failed to return work", pool->pool_no, pool->rpc_url); } } static bool stale_work(struct work *work, bool share) { struct timeval now; time_t work_expiry; struct pool *pool; int getwork_delay; if (opt_benchmark) return false; if (work->work_block != work_block) { applog(LOG_DEBUG, "Work stale due to block mismatch"); return true; } /* Technically the rolltime should be correct but some pools * advertise a broken expire= that is lower than a meaningful * scantime */ if (work->rolltime > opt_scantime) work_expiry = work->rolltime; else work_expiry = opt_expiry; pool = work->pool; if (!share && pool->has_stratum) { bool same_job; if (!pool->stratum_active || !pool->stratum_notify) { applog(LOG_DEBUG, "Work stale due to stratum inactive"); return true; } same_job = true; cg_rlock(&pool->data_lock); if (strcmp(work->job_id, pool->swork.job_id)) same_job = false; cg_runlock(&pool->data_lock); if (!same_job) { applog(LOG_DEBUG, "Work stale due to stratum job_id mismatch"); return true; } } /* Factor in the average getwork delay of this pool, rounding it up to * the nearest second */ getwork_delay = pool->cgminer_pool_stats.getwork_wait_rolling * 5 + 1; work_expiry -= getwork_delay; if (unlikely(work_expiry < 5)) work_expiry = 5; cgtime(&now); if ((now.tv_sec - work->tv_staged.tv_sec) >= work_expiry) { applog(LOG_DEBUG, "Work stale due to expiry"); return true; } if (opt_fail_only && !share && pool != current_pool() && !work->mandatory && pool_strategy != POOL_LOADBALANCE && pool_strategy != POOL_BALANCE) { applog(LOG_DEBUG, "Work stale due to fail only pool mismatch"); return true; } return false; } static uint64_t share_diff(const struct work *work) { bool new_best = false; double d64, s64; uint64_t ret; d64 = (double)65536 * truediffone; s64 = le256todouble(work->hash); if (unlikely(!s64)) s64 = 0; ret = round(d64 / s64); cg_wlock(&control_lock); if (unlikely(ret > best_diff)) { new_best = true; best_diff = ret; suffix_string(best_diff, best_share, sizeof(best_share), 0); } if (unlikely(ret > work->pool->best_diff)) work->pool->best_diff = ret; cg_wunlock(&control_lock); if (unlikely(new_best)) applog(LOG_INFO, "New best share: %s", best_share); return ret; } // FIXME: not used? static void regen_hash(struct work *work) { uint32_t *data32 = (uint32_t *)(work->data); unsigned char swap[80]; uint32_t *swap32 = (uint32_t *)swap; unsigned char hash1[32]; flip80(swap32, data32); sha256(swap, 80, hash1); sha256(hash1, 32, (unsigned char *)(work->hash)); } // FIXME: just call scrypt_regenhash where needed static void rebuild_hash(struct work *work) { scrypt_regenhash(work); } static bool cnx_needed(struct pool *pool); /* Find the pool that currently has the highest priority */ static struct pool *priority_pool(int choice) { struct pool *ret = NULL; int i; for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; if (pool->prio == choice) { ret = pool; break; } } if (unlikely(!ret)) { applog(LOG_ERR, "WTF No pool %d found!", choice); return pools[choice]; } return ret; } static void clear_pool_work(struct pool *pool); /* Specifies whether we can switch to this pool or not. */ static bool pool_unusable(struct pool *pool) { if (pool->idle) return true; if (pool->enabled != POOL_ENABLED) return true; return false; } void switch_pools(struct pool *selected) { struct pool *pool, *last_pool; int i, pool_no, next_pool; cg_wlock(&control_lock); last_pool = currentpool; pool_no = currentpool->pool_no; /* Switch selected to pool number 0 and move the rest down */ if (selected) { if (selected->prio != 0) { for (i = 0; i < total_pools; i++) { pool = pools[i]; if (pool->prio < selected->prio) pool->prio++; } selected->prio = 0; } } switch (pool_strategy) { /* All of these set to the master pool */ case POOL_BALANCE: case POOL_FAILOVER: case POOL_LOADBALANCE: for (i = 0; i < total_pools; i++) { pool = priority_pool(i); if (pool_unusable(pool)) continue; pool_no = pool->pool_no; break; } break; /* Both of these simply increment and cycle */ case POOL_ROUNDROBIN: case POOL_ROTATE: if (selected && !selected->idle) { pool_no = selected->pool_no; break; } next_pool = pool_no; /* Select the next alive pool */ for (i = 1; i < total_pools; i++) { next_pool++; if (next_pool >= total_pools) next_pool = 0; pool = pools[next_pool]; if (pool_unusable(pool)) continue; pool_no = next_pool; break; } break; default: break; } currentpool = pools[pool_no]; pool = currentpool; cg_wunlock(&control_lock); /* Set the lagging flag to avoid pool not providing work fast enough * messages in failover only mode since we have to get all fresh work * as in restart_threads */ if (opt_fail_only) pool_tset(pool, &pool->lagging); if (pool != last_pool && pool_strategy != POOL_LOADBALANCE && pool_strategy != POOL_BALANCE) { applog(LOG_WARNING, "Switching to pool %d %s", pool->pool_no, pool->rpc_url); if (pool_localgen(pool) || opt_fail_only) clear_pool_work(last_pool); } mutex_lock(&lp_lock); pthread_cond_broadcast(&lp_cond); mutex_unlock(&lp_lock); } void discard_work(struct work *work) { if (!work->clone && !work->rolls && !work->mined) { if (work->pool) { work->pool->discarded_work++; work->pool->quota_used--; work->pool->works--; } total_discarded++; applog(LOG_DEBUG, "Discarded work"); } else applog(LOG_DEBUG, "Discarded cloned or rolled work"); free_work(work); } static void wake_gws(void) { mutex_lock(stgd_lock); pthread_cond_signal(&gws_cond); mutex_unlock(stgd_lock); } static void discard_stale(void) { struct work *work, *tmp; int stale = 0; mutex_lock(stgd_lock); HASH_ITER(hh, staged_work, work, tmp) { if (stale_work(work, false)) { HASH_DEL(staged_work, work); discard_work(work); stale++; } } pthread_cond_signal(&gws_cond); mutex_unlock(stgd_lock); if (stale) applog(LOG_DEBUG, "Discarded %d stales that didn't match current hash", stale); } /* A generic wait function for threads that poll that will wait a specified * time tdiff waiting on the pthread conditional that is broadcast when a * work restart is required. Returns the value of pthread_cond_timedwait * which is zero if the condition was met or ETIMEDOUT if not. */ int restart_wait(struct thr_info *thr, unsigned int mstime) { struct timeval now, then, tdiff; struct timespec abstime; int rc; tdiff.tv_sec = mstime / 1000; tdiff.tv_usec = mstime * 1000 - (tdiff.tv_sec * 1000000); cgtime(&now); timeradd(&now, &tdiff, &then); abstime.tv_sec = then.tv_sec; abstime.tv_nsec = then.tv_usec * 1000; mutex_lock(&restart_lock); if (thr->work_restart) rc = 0; else rc = pthread_cond_timedwait(&restart_cond, &restart_lock, &abstime); mutex_unlock(&restart_lock); return rc; } static void flush_queue(struct cgpu_info *cgpu); static void restart_threads(void) { struct pool *cp = current_pool(); struct cgpu_info *cgpu; int i; /* Artificially set the lagging flag to avoid pool not providing work * fast enough messages after every long poll */ pool_tset(cp, &cp->lagging); /* Discard staged work that is now stale */ discard_stale(); rd_lock(&mining_thr_lock); for (i = 0; i < mining_threads; i++) { cgpu = mining_thr[i]->cgpu; if (unlikely(!cgpu)) continue; mining_thr[i]->work_restart = true; flush_queue(cgpu); cgpu->drv->flush_work(cgpu); } rd_unlock(&mining_thr_lock); mutex_lock(&restart_lock); pthread_cond_broadcast(&restart_cond); mutex_unlock(&restart_lock); } static void signal_work_update(void) { int i; applog(LOG_INFO, "Work update message received"); rd_lock(&mining_thr_lock); for (i = 0; i < mining_threads; i++) mining_thr[i]->work_update = true; rd_unlock(&mining_thr_lock); } static void set_curblock(char *hexstr, unsigned char *bedata) { int ofs; cg_wlock(&ch_lock); cgtime(&block_timeval); strcpy(current_hash, hexstr); memcpy(current_block, bedata, 32); get_timestamp(blocktime, sizeof(blocktime), &block_timeval); cg_wunlock(&ch_lock); for (ofs = 0; ofs <= 56; ofs++) { if (memcmp(¤t_hash[ofs], "0", 1)) break; } strncpy(prev_block, ¤t_hash[ofs], 8); prev_block[8] = '\0'; applog(LOG_INFO, "New block: %s... diff %s", current_hash, block_diff); } /* Search to see if this string is from a block that has been seen before */ static bool block_exists(char *hexstr) { struct block *s; rd_lock(&blk_lock); HASH_FIND_STR(blocks, hexstr, s); rd_unlock(&blk_lock); if (s) return true; return false; } /* Tests if this work is from a block that has been seen before */ static inline bool from_existing_block(struct work *work) { char *hexstr = bin2hex(work->data + 8, 18); bool ret; ret = block_exists(hexstr); free(hexstr); return ret; } static int block_sort(struct block *blocka, struct block *blockb) { return blocka->block_no - blockb->block_no; } /* Decode the current block difficulty which is in packed form */ static void set_blockdiff(const struct work *work) { uint8_t pow = work->data[72]; int powdiff = (8 * (0x1d - 3)) - (8 * (pow - 3)); uint32_t diff32 = be32toh(*((uint32_t *)(work->data + 72))) & 0x00FFFFFF; double numerator = 0xFFFFULL << powdiff; double ddiff = numerator / (double)diff32; if (unlikely(current_diff != ddiff)) { suffix_string(ddiff, block_diff, sizeof(block_diff), 0); current_diff = ddiff; applog(LOG_NOTICE, "Network diff set to %s", block_diff); } } static bool test_work_current(struct work *work) { struct pool *pool = work->pool; unsigned char bedata[32]; char hexstr[68]; bool ret = true; if (work->mandatory) return ret; swap256(bedata, work->data + 4); __bin2hex(hexstr, bedata, 32); /* Search to see if this block exists yet and if not, consider it a * new block and set the current block details to this one */ if (!block_exists(hexstr)) { struct block *s = calloc(sizeof(struct block), 1); int deleted_block = 0; if (unlikely(!s)) quit (1, "test_work_current OOM"); strcpy(s->hash, hexstr); s->block_no = new_blocks++; wr_lock(&blk_lock); /* Only keep the last hour's worth of blocks in memory since * work from blocks before this is virtually impossible and we * want to prevent memory usage from continually rising */ if (HASH_COUNT(blocks) > 6) { struct block *oldblock; HASH_SORT(blocks, block_sort); oldblock = blocks; deleted_block = oldblock->block_no; HASH_DEL(blocks, oldblock); free(oldblock); } HASH_ADD_STR(blocks, hash, s); set_blockdiff(work); wr_unlock(&blk_lock); if (deleted_block) applog(LOG_DEBUG, "Deleted block %d from database", deleted_block); set_curblock(hexstr, bedata); /* Copy the information to this pool's prev_block since it * knows the new block exists. */ memcpy(pool->prev_block, bedata, 32); if (unlikely(new_blocks == 1)) { ret = false; goto out; } work->work_block = ++work_block; if (work->longpoll) { if (work->stratum) { applog(LOG_NOTICE, "Stratum from pool %d detected new block", pool->pool_no); } else { applog(LOG_NOTICE, "%sLONGPOLL from pool %d detected new block", work->gbt ? "GBT " : "", work->pool->pool_no); } } else if (have_longpoll) applog(LOG_NOTICE, "New block detected on network before longpoll"); else applog(LOG_NOTICE, "New block detected on network"); restart_threads(); } else { if (memcmp(pool->prev_block, bedata, 32)) { /* Work doesn't match what this pool has stored as * prev_block. Let's see if the work is from an old * block or the pool is just learning about a new * block. */ if (memcmp(bedata, current_block, 32)) { /* Doesn't match current block. It's stale */ applog(LOG_DEBUG, "Stale data from pool %d", pool->pool_no); ret = false; } else { /* Work is from new block and pool is up now * current. */ applog(LOG_INFO, "Pool %d now up to date", pool->pool_no); memcpy(pool->prev_block, bedata, 32); } } #if 0 /* This isn't ideal, this pool is still on an old block but * accepting shares from it. To maintain fair work distribution * we work on it anyway. */ if (memcmp(bedata, current_block, 32)) applog(LOG_DEBUG, "Pool %d still on old block", pool->pool_no); #endif if (work->longpoll) { work->work_block = ++work_block; if (shared_strategy() || work->pool == current_pool()) { if (work->stratum) { applog(LOG_NOTICE, "Stratum from pool %d requested work restart", pool->pool_no); } else { applog(LOG_NOTICE, "%sLONGPOLL from pool %d requested work restart", work->gbt ? "GBT " : "", work->pool->pool_no); } restart_threads(); } } } out: work->longpoll = false; return ret; } static int tv_sort(struct work *worka, struct work *workb) { return worka->tv_staged.tv_sec - workb->tv_staged.tv_sec; } static bool work_rollable(struct work *work) { return (!work->clone && work->rolltime); } static bool hash_push(struct work *work) { bool rc = true; mutex_lock(stgd_lock); if (work_rollable(work)) staged_rollable++; if (likely(!getq->frozen)) { HASH_ADD_INT(staged_work, id, work); HASH_SORT(staged_work, tv_sort); } else rc = false; pthread_cond_broadcast(&getq->cond); mutex_unlock(stgd_lock); return rc; } static void *stage_thread(void *userdata) { struct thr_info *mythr = userdata; bool ok = true; pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); RenameThread("stage"); while (ok) { struct work *work = NULL; applog(LOG_DEBUG, "Popping work to stage thread"); work = tq_pop(mythr->q, NULL); if (unlikely(!work)) { applog(LOG_ERR, "Failed to tq_pop in stage_thread"); ok = false; break; } work->work_block = work_block; test_work_current(work); applog(LOG_DEBUG, "Pushing work to getwork queue"); if (unlikely(!hash_push(work))) { applog(LOG_WARNING, "Failed to hash_push in stage_thread"); continue; } } tq_freeze(mythr->q); return NULL; } static void stage_work(struct work *work) { applog(LOG_DEBUG, "Pushing work from pool %d to hash queue", work->pool->pool_no); work->work_block = work_block; test_work_current(work); work->pool->works++; hash_push(work); } #ifdef HAVE_CURSES int curses_int(const char *query) { int ret; char *cvar; cvar = curses_input(query); ret = atoi(cvar); free(cvar); return ret; } #endif #ifdef HAVE_CURSES static bool input_pool(bool live); #endif #ifdef HAVE_CURSES static void display_pool_summary(struct pool *pool) { double efficiency = 0.0; if (curses_active_locked()) { wlog("Pool: %s\n", pool->rpc_url); if (pool->solved) wlog("SOLVED %d BLOCK%s!\n", pool->solved, pool->solved > 1 ? "S" : ""); if (!pool->has_stratum) wlog("%s own long-poll support\n", pool->hdr_path ? "Has" : "Does not have"); wlog(" Queued work requests: %d\n", pool->getwork_requested); wlog(" Share submissions: %d\n", pool->accepted + pool->rejected); wlog(" Accepted shares: %d\n", pool->accepted); wlog(" Rejected shares: %d\n", pool->rejected); wlog(" Accepted difficulty shares: %1.f\n", pool->diff_accepted); wlog(" Rejected difficulty shares: %1.f\n", pool->diff_rejected); if (pool->accepted || pool->rejected) wlog(" Reject ratio: %.1f%%\n", (double)(pool->rejected * 100) / (double)(pool->accepted + pool->rejected)); efficiency = pool->getwork_requested ? pool->accepted * 100.0 / pool->getwork_requested : 0.0; if (!pool_localgen(pool)) wlog(" Efficiency (accepted / queued): %.0f%%\n", efficiency); wlog(" Items worked on: %d\n", pool->works); wlog(" Discarded work due to new blocks: %d\n", pool->discarded_work); wlog(" Stale submissions discarded due to new blocks: %d\n", pool->stale_shares); wlog(" Unable to get work from server occasions: %d\n", pool->getfail_occasions); wlog(" Submitting work remotely delay occasions: %d\n\n", pool->remotefail_occasions); unlock_curses(); } } #endif /* We can't remove the memory used for this struct pool because there may * still be work referencing it. We just remove it from the pools list */ void remove_pool(struct pool *pool) { int i, last_pool = total_pools - 1; struct pool *other; /* Boost priority of any lower prio than this one */ for (i = 0; i < total_pools; i++) { other = pools[i]; if (other->prio > pool->prio) other->prio--; } if (pool->pool_no < last_pool) { /* Swap the last pool for this one */ (pools[last_pool])->pool_no = pool->pool_no; pools[pool->pool_no] = pools[last_pool]; } /* Give it an invalid number */ pool->pool_no = total_pools; pool->removed = true; total_pools--; } /* add a mutex if this needs to be thread safe in the future */ static struct JE { char *buf; struct JE *next; } *jedata = NULL; static void json_escape_free() { struct JE *jeptr = jedata; struct JE *jenext; jedata = NULL; while (jeptr) { jenext = jeptr->next; free(jeptr->buf); free(jeptr); jeptr = jenext; } } static char *json_escape(char *str) { struct JE *jeptr; char *buf, *ptr; /* 2x is the max, may as well just allocate that */ ptr = buf = malloc(strlen(str) * 2 + 1); jeptr = malloc(sizeof(*jeptr)); jeptr->buf = buf; jeptr->next = jedata; jedata = jeptr; while (*str) { if (*str == '\\' || *str == '"') *(ptr++) = '\\'; *(ptr++) = *(str++); } *ptr = '\0'; return buf; } void write_config(FILE *fcfg) { int i; /* Write pool values */ fputs("{\n\"pools\" : [", fcfg); for(i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; if (pool->quota != 1) { fprintf(fcfg, "%s\n\t{\n\t\t\"quota\" : \"%s%s%s%d;%s\",", i > 0 ? "," : "", pool->rpc_proxy ? json_escape((char *)proxytype(pool->rpc_proxytype)) : "", pool->rpc_proxy ? json_escape(pool->rpc_proxy) : "", pool->rpc_proxy ? "|" : "", pool->quota, json_escape(pool->rpc_url)); } else { fprintf(fcfg, "%s\n\t{\n\t\t\"url\" : \"%s%s%s%s\",", i > 0 ? "," : "", pool->rpc_proxy ? json_escape((char *)proxytype(pool->rpc_proxytype)) : "", pool->rpc_proxy ? json_escape(pool->rpc_proxy) : "", pool->rpc_proxy ? "|" : "", json_escape(pool->rpc_url)); } fprintf(fcfg, "\n\t\t\"user\" : \"%s\",", json_escape(pool->rpc_user)); fprintf(fcfg, "\n\t\t\"pass\" : \"%s\"\n\t}", json_escape(pool->rpc_pass)); } fputs("\n]\n", fcfg); if (nDevs) { /* Write GPU device values */ fputs(",\n\"intensity\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, gpus[i].dynamic ? "%sd" : "%s%d", i > 0 ? "," : "", gpus[i].intensity); fputs("\",\n\"vectors\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", gpus[i].vwidth); fputs("\",\n\"worksize\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", (int)gpus[i].work_size); fputs("\",\n\"kernel\" : \"", fcfg); for(i = 0; i < nDevs; i++) { fprintf(fcfg, "%s", i > 0 ? "," : ""); switch (gpus[i].kernel) { case KL_NONE: // Shouldn't happen break; case KL_SCRYPT: fprintf(fcfg, "scrypt"); break; } } fputs("\",\n\"lookup-gap\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", (int)gpus[i].opt_lg); fputs("\",\n\"thread-concurrency\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", (int)gpus[i].opt_tc); fputs("\",\n\"shaders\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", (int)gpus[i].shaders); #ifdef HAVE_ADL fputs("\",\n\"gpu-engine\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d-%d", i > 0 ? "," : "", gpus[i].min_engine, gpus[i].gpu_engine); fputs("\",\n\"gpu-fan\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d-%d", i > 0 ? "," : "", gpus[i].min_fan, gpus[i].gpu_fan); fputs("\",\n\"gpu-memclock\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", gpus[i].gpu_memclock); fputs("\",\n\"gpu-memdiff\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", gpus[i].gpu_memdiff); fputs("\",\n\"gpu-powertune\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", gpus[i].gpu_powertune); fputs("\",\n\"gpu-vddc\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%1.3f", i > 0 ? "," : "", gpus[i].gpu_vddc); fputs("\",\n\"temp-cutoff\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", gpus[i].cutofftemp); fputs("\",\n\"temp-overheat\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", gpus[i].adl.overtemp); fputs("\",\n\"temp-target\" : \"", fcfg); for(i = 0; i < nDevs; i++) fprintf(fcfg, "%s%d", i > 0 ? "," : "", gpus[i].adl.targettemp); #endif fputs("\"", fcfg); } #ifdef HAVE_ADL if (opt_reorder) fprintf(fcfg, ",\n\"gpu-reorder\" : true"); #endif /* Simple bool and int options */ struct opt_table *opt; for (opt = opt_config_table; opt->type != OPT_END; opt++) { char *p, *name = strdup(opt->names); for (p = strtok(name, "|"); p; p = strtok(NULL, "|")) { if (p[1] != '-') continue; if (opt->type & OPT_NOARG && ((void *)opt->cb == (void *)opt_set_bool || (void *)opt->cb == (void *)opt_set_invbool) && (*(bool *)opt->u.arg == ((void *)opt->cb == (void *)opt_set_bool))) fprintf(fcfg, ",\n\"%s\" : true", p+2); if (opt->type & OPT_HASARG && ((void *)opt->cb_arg == (void *)set_int_0_to_9999 || (void *)opt->cb_arg == (void *)set_int_1_to_65535 || (void *)opt->cb_arg == (void *)set_int_0_to_10 || (void *)opt->cb_arg == (void *)set_int_1_to_10) && opt->desc != opt_hidden) fprintf(fcfg, ",\n\"%s\" : \"%d\"", p+2, *(int *)opt->u.arg); } } /* Special case options */ fprintf(fcfg, ",\n\"shares\" : \"%d\"", opt_shares); if (pool_strategy == POOL_BALANCE) fputs(",\n\"balance\" : true", fcfg); if (pool_strategy == POOL_LOADBALANCE) fputs(",\n\"load-balance\" : true", fcfg); if (pool_strategy == POOL_ROUNDROBIN) fputs(",\n\"round-robin\" : true", fcfg); if (pool_strategy == POOL_ROTATE) fprintf(fcfg, ",\n\"rotate\" : \"%d\"", opt_rotate_period); #if defined(unix) || defined(__APPLE__) if (opt_stderr_cmd && *opt_stderr_cmd) fprintf(fcfg, ",\n\"monitor\" : \"%s\"", json_escape(opt_stderr_cmd)); #endif // defined(unix) if (opt_kernel_path && *opt_kernel_path) { char *kpath = strdup(opt_kernel_path); if (kpath[strlen(kpath)-1] == '/') kpath[strlen(kpath)-1] = 0; fprintf(fcfg, ",\n\"kernel-path\" : \"%s\"", json_escape(kpath)); } if (schedstart.enable) fprintf(fcfg, ",\n\"sched-time\" : \"%d:%d\"", schedstart.tm.tm_hour, schedstart.tm.tm_min); if (schedstop.enable) fprintf(fcfg, ",\n\"stop-time\" : \"%d:%d\"", schedstop.tm.tm_hour, schedstop.tm.tm_min); if (opt_socks_proxy && *opt_socks_proxy) fprintf(fcfg, ",\n\"socks-proxy\" : \"%s\"", json_escape(opt_socks_proxy)); if (opt_devs_enabled) { fprintf(fcfg, ",\n\"device\" : \""); bool extra_devs = false; for (i = 0; i < MAX_DEVICES; i++) { if (devices_enabled[i]) { int startd = i; if (extra_devs) fprintf(fcfg, ","); while (i < MAX_DEVICES && devices_enabled[i + 1]) ++i; fprintf(fcfg, "%d", startd); if (i > startd) fprintf(fcfg, "-%d", i); } } fprintf(fcfg, "\""); } if (opt_removedisabled) fprintf(fcfg, ",\n\"remove-disabled\" : true"); if (opt_api_allow) fprintf(fcfg, ",\n\"api-allow\" : \"%s\"", json_escape(opt_api_allow)); if (strcmp(opt_api_mcast_addr, API_MCAST_ADDR) != 0) fprintf(fcfg, ",\n\"api-mcast-addr\" : \"%s\"", json_escape(opt_api_mcast_addr)); if (strcmp(opt_api_mcast_code, API_MCAST_CODE) != 0) fprintf(fcfg, ",\n\"api-mcast-code\" : \"%s\"", json_escape(opt_api_mcast_code)); if (*opt_api_mcast_des) fprintf(fcfg, ",\n\"api-mcast-des\" : \"%s\"", json_escape(opt_api_mcast_des)); if (strcmp(opt_api_description, PACKAGE_STRING) != 0) fprintf(fcfg, ",\n\"api-description\" : \"%s\"", json_escape(opt_api_description)); if (opt_api_groups) fprintf(fcfg, ",\n\"api-groups\" : \"%s\"", json_escape(opt_api_groups)); fputs("\n}\n", fcfg); json_escape_free(); } void zero_bestshare(void) { int i; best_diff = 0; memset(best_share, 0, 8); suffix_string(best_diff, best_share, sizeof(best_share), 0); for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; pool->best_diff = 0; } } void zero_stats(void) { int i; cgtime(&total_tv_start); total_rolling = 0; total_mhashes_done = 0; total_getworks = 0; total_accepted = 0; total_rejected = 0; hw_errors = 0; total_stale = 0; total_discarded = 0; local_work = 0; total_go = 0; total_ro = 0; total_secs = 1.0; total_diff1 = 0; found_blocks = 0; total_diff_accepted = 0; total_diff_rejected = 0; total_diff_stale = 0; for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; pool->getwork_requested = 0; pool->accepted = 0; pool->rejected = 0; pool->stale_shares = 0; pool->discarded_work = 0; pool->getfail_occasions = 0; pool->remotefail_occasions = 0; pool->last_share_time = 0; pool->diff1 = 0; pool->diff_accepted = 0; pool->diff_rejected = 0; pool->diff_stale = 0; pool->last_share_diff = 0; } zero_bestshare(); for (i = 0; i < total_devices; ++i) { struct cgpu_info *cgpu = get_devices(i); mutex_lock(&hash_lock); cgpu->total_mhashes = 0; cgpu->accepted = 0; cgpu->rejected = 0; cgpu->hw_errors = 0; cgpu->utility = 0.0; cgpu->last_share_pool_time = 0; cgpu->diff1 = 0; cgpu->diff_accepted = 0; cgpu->diff_rejected = 0; cgpu->last_share_diff = 0; mutex_unlock(&hash_lock); } } #ifdef HAVE_CURSES static void display_pools(void) { struct pool *pool; int selected, i; char input; opt_loginput = true; immedok(logwin, true); clear_logwin(); updated: for (i = 0; i < total_pools; i++) { pool = pools[i]; if (pool == current_pool()) wattron(logwin, A_BOLD); if (pool->enabled != POOL_ENABLED) wattron(logwin, A_DIM); wlogprint("%d: ", pool->pool_no); switch (pool->enabled) { case POOL_ENABLED: wlogprint("Enabled "); break; case POOL_DISABLED: wlogprint("Disabled "); break; case POOL_REJECTING: wlogprint("Rejecting "); break; } wlogprint("%s Quota %d Prio %d: %s User:%s\n", pool->idle? "Dead" : "Alive", pool->quota, pool->prio, pool->rpc_url, pool->rpc_user); wattroff(logwin, A_BOLD | A_DIM); } retry: wlogprint("\nCurrent pool management strategy: %s\n", strategies[pool_strategy].s); if (pool_strategy == POOL_ROTATE) wlogprint("Set to rotate every %d minutes\n", opt_rotate_period); wlogprint("[F]ailover only %s\n", opt_fail_only ? "enabled" : "disabled"); wlogprint("Pool [A]dd [R]emove [D]isable [E]nable [Q]uota change\n"); wlogprint("[C]hange management strategy [S]witch pool [I]nformation\n"); wlogprint("Or press any other key to continue\n"); logwin_update(); input = getch(); if (!strncasecmp(&input, "a", 1)) { input_pool(true); goto updated; } else if (!strncasecmp(&input, "r", 1)) { if (total_pools <= 1) { wlogprint("Cannot remove last pool"); goto retry; } selected = curses_int("Select pool number"); if (selected < 0 || selected >= total_pools) { wlogprint("Invalid selection\n"); goto retry; } pool = pools[selected]; if (pool == current_pool()) switch_pools(NULL); if (pool == current_pool()) { wlogprint("Unable to remove pool due to activity\n"); goto retry; } disable_pool(pool); remove_pool(pool); goto updated; } else if (!strncasecmp(&input, "s", 1)) { selected = curses_int("Select pool number"); if (selected < 0 || selected >= total_pools) { wlogprint("Invalid selection\n"); goto retry; } pool = pools[selected]; enable_pool(pool); switch_pools(pool); goto updated; } else if (!strncasecmp(&input, "d", 1)) { if (enabled_pools <= 1) { wlogprint("Cannot disable last pool"); goto retry; } selected = curses_int("Select pool number"); if (selected < 0 || selected >= total_pools) { wlogprint("Invalid selection\n"); goto retry; } pool = pools[selected]; disable_pool(pool); if (pool == current_pool()) switch_pools(NULL); goto updated; } else if (!strncasecmp(&input, "e", 1)) { selected = curses_int("Select pool number"); if (selected < 0 || selected >= total_pools) { wlogprint("Invalid selection\n"); goto retry; } pool = pools[selected]; enable_pool(pool); if (pool->prio < current_pool()->prio) switch_pools(pool); goto updated; } else if (!strncasecmp(&input, "c", 1)) { for (i = 0; i <= TOP_STRATEGY; i++) wlogprint("%d: %s\n", i, strategies[i].s); selected = curses_int("Select strategy number type"); if (selected < 0 || selected > TOP_STRATEGY) { wlogprint("Invalid selection\n"); goto retry; } if (selected == POOL_ROTATE) { opt_rotate_period = curses_int("Select interval in minutes"); if (opt_rotate_period < 0 || opt_rotate_period > 9999) { opt_rotate_period = 0; wlogprint("Invalid selection\n"); goto retry; } } pool_strategy = selected; switch_pools(NULL); goto updated; } else if (!strncasecmp(&input, "i", 1)) { selected = curses_int("Select pool number"); if (selected < 0 || selected >= total_pools) { wlogprint("Invalid selection\n"); goto retry; } pool = pools[selected]; display_pool_summary(pool); goto retry; } else if (!strncasecmp(&input, "q", 1)) { selected = curses_int("Select pool number"); if (selected < 0 || selected >= total_pools) { wlogprint("Invalid selection\n"); goto retry; } pool = pools[selected]; selected = curses_int("Set quota"); if (selected < 0) { wlogprint("Invalid negative quota\n"); goto retry; } pool->quota = selected; adjust_quota_gcd(); goto updated; } else if (!strncasecmp(&input, "f", 1)) { opt_fail_only ^= true; goto updated; } else clear_logwin(); immedok(logwin, false); opt_loginput = false; } static void display_options(void) { int selected; char input; opt_loginput = true; immedok(logwin, true); clear_logwin(); retry: wlogprint("[N]ormal [C]lear [S]ilent mode (disable all output)\n"); wlogprint("[D]ebug:%s\n[P]er-device:%s\n[Q]uiet:%s\n[V]erbose:%s\n" "[R]PC debug:%s\n[W]orkTime details:%s\nco[M]pact: %s\n" "[L]og interval:%d\n[Z]ero statistics\n", opt_debug ? "on" : "off", want_per_device_stats? "on" : "off", opt_quiet ? "on" : "off", opt_log_output ? "on" : "off", opt_protocol ? "on" : "off", opt_worktime ? "on" : "off", opt_compact ? "on" : "off", opt_log_interval); wlogprint("Select an option or any other key to return\n"); logwin_update(); input = getch(); if (!strncasecmp(&input, "q", 1)) { opt_quiet ^= true; wlogprint("Quiet mode %s\n", opt_quiet ? "enabled" : "disabled"); goto retry; } else if (!strncasecmp(&input, "v", 1)) { opt_log_output ^= true; if (opt_log_output) opt_quiet = false; wlogprint("Verbose mode %s\n", opt_log_output ? "enabled" : "disabled"); goto retry; } else if (!strncasecmp(&input, "n", 1)) { opt_log_output = false; opt_debug = false; opt_quiet = false; opt_protocol = false; opt_compact = false; want_per_device_stats = false; wlogprint("Output mode reset to normal\n"); switch_logsize(false); goto retry; } else if (!strncasecmp(&input, "d", 1)) { opt_debug ^= true; opt_log_output = opt_debug; if (opt_debug) opt_quiet = false; wlogprint("Debug mode %s\n", opt_debug ? "enabled" : "disabled"); goto retry; } else if (!strncasecmp(&input, "m", 1)) { opt_compact ^= true; wlogprint("Compact mode %s\n", opt_compact ? "enabled" : "disabled"); switch_logsize(false); goto retry; } else if (!strncasecmp(&input, "p", 1)) { want_per_device_stats ^= true; opt_log_output = want_per_device_stats; wlogprint("Per-device stats %s\n", want_per_device_stats ? "enabled" : "disabled"); goto retry; } else if (!strncasecmp(&input, "r", 1)) { opt_protocol ^= true; if (opt_protocol) opt_quiet = false; wlogprint("RPC protocol debugging %s\n", opt_protocol ? "enabled" : "disabled"); goto retry; } else if (!strncasecmp(&input, "c", 1)) clear_logwin(); else if (!strncasecmp(&input, "l", 1)) { selected = curses_int("Interval in seconds"); if (selected < 0 || selected > 9999) { wlogprint("Invalid selection\n"); goto retry; } opt_log_interval = selected; wlogprint("Log interval set to %d seconds\n", opt_log_interval); goto retry; } else if (!strncasecmp(&input, "s", 1)) { opt_realquiet = true; } else if (!strncasecmp(&input, "w", 1)) { opt_worktime ^= true; wlogprint("WorkTime details %s\n", opt_worktime ? "enabled" : "disabled"); goto retry; } else if (!strncasecmp(&input, "z", 1)) { zero_stats(); goto retry; } else clear_logwin(); immedok(logwin, false); opt_loginput = false; } #endif void default_save_file(char *filename) { if (default_config && *default_config) { strcpy(filename, default_config); return; } #if defined(unix) || defined(__APPLE__) if (getenv("HOME") && *getenv("HOME")) { strcpy(filename, getenv("HOME")); strcat(filename, "/"); } else strcpy(filename, ""); strcat(filename, ".cgminer/"); mkdir(filename, 0777); #else strcpy(filename, ""); #endif strcat(filename, def_conf); } #ifdef HAVE_CURSES static void set_options(void) { int selected; char input; opt_loginput = true; immedok(logwin, true); clear_logwin(); retry: wlogprint("[Q]ueue: %d\n[S]cantime: %d\n[E]xpiry: %d\n" "[W]rite config file\n[C]gminer restart\n", opt_queue, opt_scantime, opt_expiry); wlogprint("Select an option or any other key to return\n"); logwin_update(); input = getch(); if (!strncasecmp(&input, "q", 1)) { selected = curses_int("Extra work items to queue"); if (selected < 0 || selected > 9999) { wlogprint("Invalid selection\n"); goto retry; } opt_queue = selected; goto retry; } else if (!strncasecmp(&input, "s", 1)) { selected = curses_int("Set scantime in seconds"); if (selected < 0 || selected > 9999) { wlogprint("Invalid selection\n"); goto retry; } opt_scantime = selected; goto retry; } else if (!strncasecmp(&input, "e", 1)) { selected = curses_int("Set expiry time in seconds"); if (selected < 0 || selected > 9999) { wlogprint("Invalid selection\n"); goto retry; } opt_expiry = selected; goto retry; } else if (!strncasecmp(&input, "w", 1)) { FILE *fcfg; char *str, filename[PATH_MAX], prompt[PATH_MAX + 50]; default_save_file(filename); snprintf(prompt, sizeof(prompt), "Config filename to write (Enter for default) [%s]", filename); str = curses_input(prompt); if (strcmp(str, "-1")) { struct stat statbuf; strcpy(filename, str); free(str); if (!stat(filename, &statbuf)) { wlogprint("File exists, overwrite?\n"); input = getch(); if (strncasecmp(&input, "y", 1)) goto retry; } } else free(str); fcfg = fopen(filename, "w"); if (!fcfg) { wlogprint("Cannot open or create file\n"); goto retry; } write_config(fcfg); fclose(fcfg); goto retry; } else if (!strncasecmp(&input, "c", 1)) { wlogprint("Are you sure?\n"); input = getch(); if (!strncasecmp(&input, "y", 1)) app_restart(); else clear_logwin(); } else clear_logwin(); immedok(logwin, false); opt_loginput = false; } static void *input_thread(void __maybe_unused *userdata) { pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); RenameThread("input"); if (!curses_active) return NULL; while (1) { char input; input = getch(); if (!strncasecmp(&input, "q", 1)) { kill_work(); return NULL; } else if (!strncasecmp(&input, "d", 1)) display_options(); else if (!strncasecmp(&input, "p", 1)) display_pools(); else if (!strncasecmp(&input, "s", 1)) set_options(); else if (!strncasecmp(&input, "g", 1)) manage_gpu(); if (opt_realquiet) { disable_curses(); break; } } return NULL; } #endif static void *api_thread(void *userdata) { struct thr_info *mythr = userdata; pthread_detach(pthread_self()); pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); RenameThread("api"); api(api_thr_id); PTH(mythr) = 0L; return NULL; } /* Sole work devices are serialised wrt calling get_work so they report in on * each pass through their scanhash function as well as in get_work whereas * queued work devices work asynchronously so get them to report in and out * only across get_work. */ static void thread_reportin(struct thr_info *thr) { thr->getwork = false; cgtime(&thr->last); thr->cgpu->status = LIFE_WELL; thr->cgpu->device_last_well = time(NULL); } /* Tell the watchdog thread this thread is waiting on get work and should not * be restarted */ static void thread_reportout(struct thr_info *thr) { thr->getwork = true; cgtime(&thr->last); thr->cgpu->status = LIFE_WELL; thr->cgpu->device_last_well = time(NULL); } static void hashmeter(int thr_id, struct timeval *diff, uint64_t hashes_done) { struct timeval temp_tv_end, total_diff; double secs; double local_secs; static double local_mhashes_done = 0; double local_mhashes; bool showlog = false; char displayed_hashes[16], displayed_rolling[16]; uint64_t dh64, dr64; struct thr_info *thr; local_mhashes = (double)hashes_done / 1000000.0; /* Update the last time this thread reported in */ if (thr_id >= 0) { thr = get_thread(thr_id); cgtime(&(thr->last)); thr->cgpu->device_last_well = time(NULL); } secs = (double)diff->tv_sec + ((double)diff->tv_usec / 1000000.0); /* So we can call hashmeter from a non worker thread */ if (thr_id >= 0) { struct cgpu_info *cgpu = thr->cgpu; double thread_rolling = 0.0; int i; applog(LOG_DEBUG, "[thread %d: %"PRIu64" hashes, %.1f khash/sec]", thr_id, hashes_done, hashes_done / 1000 / secs); /* Rolling average for each thread and each device */ decay_time(&thr->rolling, local_mhashes / secs, secs); for (i = 0; i < cgpu->threads; i++) thread_rolling += cgpu->thr[i]->rolling; mutex_lock(&hash_lock); decay_time(&cgpu->rolling, thread_rolling, secs); cgpu->total_mhashes += local_mhashes; mutex_unlock(&hash_lock); // If needed, output detailed, per-device stats if (want_per_device_stats) { struct timeval now; struct timeval elapsed; cgtime(&now); timersub(&now, &thr->cgpu->last_message_tv, &elapsed); if (opt_log_interval <= elapsed.tv_sec) { struct cgpu_info *cgpu = thr->cgpu; char logline[255]; cgpu->last_message_tv = now; get_statline(logline, sizeof(logline), cgpu); if (!curses_active) { printf("%s \r", logline); fflush(stdout); } else applog(LOG_INFO, "%s", logline); } } } /* Totals are updated by all threads so can race without locking */ mutex_lock(&hash_lock); cgtime(&temp_tv_end); timersub(&temp_tv_end, &total_tv_end, &total_diff); total_mhashes_done += local_mhashes; local_mhashes_done += local_mhashes; /* Only update with opt_log_interval */ if (total_diff.tv_sec < opt_log_interval) goto out_unlock; showlog = true; cgtime(&total_tv_end); local_secs = (double)total_diff.tv_sec + ((double)total_diff.tv_usec / 1000000.0); decay_time(&total_rolling, local_mhashes_done / local_secs, local_secs); global_hashrate = llround(total_rolling) * 1000000; timersub(&total_tv_end, &total_tv_start, &total_diff); total_secs = (double)total_diff.tv_sec + ((double)total_diff.tv_usec / 1000000.0); dh64 = (double)total_mhashes_done / total_secs * 1000000ull; dr64 = (double)total_rolling * 1000000ull; suffix_string(dh64, displayed_hashes, sizeof(displayed_hashes), 4); suffix_string(dr64, displayed_rolling, sizeof(displayed_rolling), 4); snprintf(statusline, sizeof(statusline), "%s(%ds):%s (avg):%sh/s | A:%.0f R:%.0f HW:%d WU:%.1f/m", want_per_device_stats ? "ALL " : "", opt_log_interval, displayed_rolling, displayed_hashes, total_diff_accepted, total_diff_rejected, hw_errors, total_diff1 / total_secs * 60); local_mhashes_done = 0; out_unlock: mutex_unlock(&hash_lock); if (showlog) { if (!curses_active) { printf("%s \r", statusline); fflush(stdout); } else applog(LOG_INFO, "%s", statusline); } } static void stratum_share_result(json_t *val, json_t *res_val, json_t *err_val, struct stratum_share *sshare) { struct work *work = sshare->work; char hashshow[64]; show_hash(work, hashshow); share_result(val, res_val, err_val, work, hashshow, false, ""); } /* Parses stratum json responses and tries to find the id that the request * matched to and treat it accordingly. */ static bool parse_stratum_response(struct pool *pool, char *s) { json_t *val = NULL, *err_val, *res_val, *id_val; struct stratum_share *sshare; json_error_t err; bool ret = false; int id; val = JSON_LOADS(s, &err); if (!val) { applog(LOG_INFO, "JSON decode failed(%d): %s", err.line, err.text); goto out; } res_val = json_object_get(val, "result"); err_val = json_object_get(val, "error"); id_val = json_object_get(val, "id"); if (json_is_null(id_val) || !id_val) { char *ss; if (err_val) ss = json_dumps(err_val, JSON_INDENT(3)); else ss = strdup("(unknown reason)"); applog(LOG_INFO, "JSON-RPC non method decode failed: %s", ss); free(ss); goto out; } id = json_integer_value(id_val); mutex_lock(&sshare_lock); HASH_FIND_INT(stratum_shares, &id, sshare); if (sshare) { HASH_DEL(stratum_shares, sshare); pool->sshares--; } mutex_unlock(&sshare_lock); if (!sshare) { double pool_diff; /* Since the share is untracked, we can only guess at what the * work difficulty is based on the current pool diff. */ cg_rlock(&pool->data_lock); pool_diff = pool->swork.diff; cg_runlock(&pool->data_lock); if (json_is_true(res_val)) { applog(LOG_NOTICE, "Accepted untracked stratum share from pool %d", pool->pool_no); /* We don't know what device this came from so we can't * attribute the work to the relevant cgpu */ mutex_lock(&stats_lock); total_accepted++; pool->accepted++; total_diff_accepted += pool_diff; pool->diff_accepted += pool_diff; mutex_unlock(&stats_lock); } else { applog(LOG_NOTICE, "Rejected untracked stratum share from pool %d", pool->pool_no); mutex_lock(&stats_lock); total_rejected++; pool->rejected++; total_diff_rejected += pool_diff; pool->diff_rejected += pool_diff; mutex_unlock(&stats_lock); } goto out; } stratum_share_result(val, res_val, err_val, sshare); free_work(sshare->work); free(sshare); ret = true; out: if (val) json_decref(val); return ret; } void clear_stratum_shares(struct pool *pool) { struct stratum_share *sshare, *tmpshare; double diff_cleared = 0; int cleared = 0; mutex_lock(&sshare_lock); HASH_ITER(hh, stratum_shares, sshare, tmpshare) { if (sshare->work->pool == pool) { HASH_DEL(stratum_shares, sshare); diff_cleared += sshare->work->work_difficulty; free_work(sshare->work); pool->sshares--; free(sshare); cleared++; } } mutex_unlock(&sshare_lock); if (cleared) { applog(LOG_WARNING, "Lost %d shares due to stratum disconnect on pool %d", cleared, pool->pool_no); pool->stale_shares += cleared; total_stale += cleared; pool->diff_stale += diff_cleared; total_diff_stale += diff_cleared; } } static void clear_pool_work(struct pool *pool) { struct work *work, *tmp; int cleared = 0; mutex_lock(stgd_lock); HASH_ITER(hh, staged_work, work, tmp) { if (work->pool == pool) { HASH_DEL(staged_work, work); free_work(work); cleared++; } } mutex_unlock(stgd_lock); } static int cp_prio(void) { int prio; cg_rlock(&control_lock); prio = currentpool->prio; cg_runlock(&control_lock); return prio; } /* We only need to maintain a secondary pool connection when we need the * capacity to get work from the backup pools while still on the primary */ static bool cnx_needed(struct pool *pool) { struct pool *cp; if (pool->enabled != POOL_ENABLED) return false; /* Balance strategies need all pools online */ if (pool_strategy == POOL_BALANCE) return true; if (pool_strategy == POOL_LOADBALANCE) return true; /* Idle stratum pool needs something to kick it alive again */ if (pool->has_stratum && pool->idle) return true; /* Getwork pools without opt_fail_only need backup pools up to be able * to leak shares */ cp = current_pool(); if (cp == pool) return true; if (!pool_localgen(cp) && (!opt_fail_only || !cp->hdr_path)) return true; /* If we're waiting for a response from shares submitted, keep the * connection open. */ if (pool->sshares) return true; /* If the pool has only just come to life and is higher priority than * the current pool keep the connection open so we can fail back to * it. */ if (pool_strategy == POOL_FAILOVER && pool->prio < cp_prio()) return true; if (pool_unworkable(cp)) return true; /* We've run out of work, bring anything back to life. */ if (no_work) return true; return false; } static void wait_lpcurrent(struct pool *pool); static void pool_resus(struct pool *pool); static void gen_stratum_work(struct pool *pool, struct work *work); static void stratum_resumed(struct pool *pool) { if (!pool->stratum_notify) return; if (pool_tclear(pool, &pool->idle)) { applog(LOG_INFO, "Stratum connection to pool %d resumed", pool->pool_no); pool_resus(pool); } } static bool supports_resume(struct pool *pool) { bool ret; cg_rlock(&pool->data_lock); ret = (pool->sessionid != NULL); cg_runlock(&pool->data_lock); return ret; } /* One stratum receive thread per pool that has stratum waits on the socket * checking for new messages and for the integrity of the socket connection. We * reset the connection based on the integrity of the receive side only as the * send side will eventually expire data it fails to send. */ static void *stratum_rthread(void *userdata) { struct pool *pool = (struct pool *)userdata; char threadname[16]; pthread_detach(pthread_self()); snprintf(threadname, 16, "StratumR/%d", pool->pool_no); RenameThread(threadname); while (42) { struct timeval timeout; int sel_ret; fd_set rd; char *s; if (unlikely(pool->removed)) break; /* Check to see whether we need to maintain this connection * indefinitely or just bring it up when we switch to this * pool */ if (!sock_full(pool) && !cnx_needed(pool)) { suspend_stratum(pool); clear_stratum_shares(pool); clear_pool_work(pool); wait_lpcurrent(pool); if (!restart_stratum(pool)) { pool_died(pool); while (!restart_stratum(pool)) { if (pool->removed) goto out; cgsleep_ms(30000); } } } FD_ZERO(&rd); FD_SET(pool->sock, &rd); timeout.tv_sec = 90; timeout.tv_usec = 0; /* The protocol specifies that notify messages should be sent * every minute so if we fail to receive any for 90 seconds we * assume the connection has been dropped and treat this pool * as dead */ if (!sock_full(pool) && (sel_ret = select(pool->sock + 1, &rd, NULL, NULL, &timeout)) < 1) { applog(LOG_DEBUG, "Stratum select failed on pool %d with value %d", pool->pool_no, sel_ret); s = NULL; } else s = recv_line(pool); if (!s) { applog(LOG_NOTICE, "Stratum connection to pool %d interrupted", pool->pool_no); pool->getfail_occasions++; total_go++; /* If the socket to our stratum pool disconnects, all * tracked submitted shares are lost and we will leak * the memory if we don't discard their records. */ if (!supports_resume(pool) || opt_lowmem) clear_stratum_shares(pool); clear_pool_work(pool); if (pool == current_pool()) restart_threads(); if (restart_stratum(pool)) continue; pool_died(pool); while (!restart_stratum(pool)) { if (pool->removed) goto out; cgsleep_ms(30000); } stratum_resumed(pool); continue; } /* Check this pool hasn't died while being a backup pool and * has not had its idle flag cleared */ stratum_resumed(pool); if (!parse_method(pool, s) && !parse_stratum_response(pool, s)) applog(LOG_INFO, "Unknown stratum msg: %s", s); free(s); if (pool->swork.clean) { struct work *work = make_work(); /* Generate a single work item to update the current * block database */ pool->swork.clean = false; gen_stratum_work(pool, work); work->longpoll = true; /* Return value doesn't matter. We're just informing * that we may need to restart. */ test_work_current(work); free_work(work); } } out: return NULL; } /* Each pool has one stratum send thread for sending shares to avoid many * threads being created for submission since all sends need to be serialised * anyway. */ static void *stratum_sthread(void *userdata) { struct pool *pool = (struct pool *)userdata; char threadname[16]; pthread_detach(pthread_self()); snprintf(threadname, 16, "StratumS/%d", pool->pool_no); RenameThread(threadname); pool->stratum_q = tq_new(); if (!pool->stratum_q) quit(1, "Failed to create stratum_q in stratum_sthread"); while (42) { char noncehex[12], nonce2hex[20]; struct stratum_share *sshare; uint32_t *hash32, nonce; char s[1024], nonce2[8]; struct work *work; bool submitted; if (unlikely(pool->removed)) break; work = tq_pop(pool->stratum_q, NULL); if (unlikely(!work)) quit(1, "Stratum q returned empty work"); if (unlikely(work->nonce2_len > 8)) { applog(LOG_ERR, "Pool %d asking for inappropriately long nonce2 length %d", pool->pool_no, (int)work->nonce2_len); applog(LOG_ERR, "Not attempting to submit shares"); free_work(work); continue; } sshare = calloc(sizeof(struct stratum_share), 1); hash32 = (uint32_t *)work->hash; submitted = false; sshare->sshare_time = time(NULL); /* This work item is freed in parse_stratum_response */ sshare->work = work; nonce = *((uint32_t *)(work->data + 76)); __bin2hex(noncehex, (const unsigned char *)&nonce, 4); memset(s, 0, 1024); mutex_lock(&sshare_lock); /* Give the stratum share a unique id */ sshare->id = swork_id++; mutex_unlock(&sshare_lock); memset(nonce2, 0, 8); /* We only use uint32_t sized nonce2 increments internally */ memcpy(nonce2, &work->nonce2, sizeof(uint32_t)); __bin2hex(nonce2hex, (const unsigned char *)nonce2, work->nonce2_len); snprintf(s, sizeof(s), "{\"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\": %d, \"method\": \"mining.submit\"}", pool->rpc_user, work->job_id, nonce2hex, work->ntime, noncehex, sshare->id); applog(LOG_INFO, "Submitting share %08lx to pool %d", (long unsigned int)htole32(hash32[6]), pool->pool_no); /* Try resubmitting for up to 2 minutes if we fail to submit * once and the stratum pool nonce1 still matches suggesting * we may be able to resume. */ while (time(NULL) < sshare->sshare_time + 120) { bool sessionid_match; if (likely(stratum_send(pool, s, strlen(s)))) { if (pool_tclear(pool, &pool->submit_fail)) applog(LOG_WARNING, "Pool %d communication resumed, submitting work", pool->pool_no); mutex_lock(&sshare_lock); HASH_ADD_INT(stratum_shares, id, sshare); pool->sshares++; mutex_unlock(&sshare_lock); applog(LOG_DEBUG, "Successfully submitted, adding to stratum_shares db"); submitted = true; break; } if (!pool_tset(pool, &pool->submit_fail) && cnx_needed(pool)) { applog(LOG_WARNING, "Pool %d stratum share submission failure", pool->pool_no); total_ro++; pool->remotefail_occasions++; } if (opt_lowmem) { applog(LOG_DEBUG, "Lowmem option prevents resubmitting stratum share"); break; } cg_rlock(&pool->data_lock); sessionid_match = (pool->nonce1 && !strcmp(work->nonce1, pool->nonce1)); cg_runlock(&pool->data_lock); if (!sessionid_match) { applog(LOG_DEBUG, "No matching session id for resubmitting stratum share"); break; } /* Retry every 5 seconds */ sleep(5); } if (unlikely(!submitted)) { applog(LOG_DEBUG, "Failed to submit stratum share, discarding"); free_work(work); free(sshare); pool->stale_shares++; total_stale++; } } /* Freeze the work queue but don't free up its memory in case there is * work still trying to be submitted to the removed pool. */ tq_freeze(pool->stratum_q); return NULL; } static void init_stratum_threads(struct pool *pool) { have_longpoll = true; if (unlikely(pthread_create(&pool->stratum_sthread, NULL, stratum_sthread, (void *)pool))) quit(1, "Failed to create stratum sthread"); if (unlikely(pthread_create(&pool->stratum_rthread, NULL, stratum_rthread, (void *)pool))) quit(1, "Failed to create stratum rthread"); } static void *longpoll_thread(void *userdata); static bool stratum_works(struct pool *pool) { applog(LOG_INFO, "Testing pool %d stratum %s", pool->pool_no, pool->stratum_url); if (!extract_sockaddr(pool->stratum_url, &pool->sockaddr_url, &pool->stratum_port)) return false; if (!initiate_stratum(pool)) return false; return true; } static bool pool_active(struct pool *pool, bool pinging) { struct timeval tv_getwork, tv_getwork_reply; bool ret = false; json_t *val; CURL *curl; int uninitialised_var(rolltime); if (pool->has_gbt) applog(LOG_DEBUG, "Retrieving block template from pool %s", pool->rpc_url); else applog(LOG_INFO, "Testing pool %s", pool->rpc_url); /* This is the central point we activate stratum when we can */ retry_stratum: if (pool->has_stratum) { /* We create the stratum thread for each pool just after * successful authorisation. Once the init flag has been set * we never unset it and the stratum thread is responsible for * setting/unsetting the active flag */ bool init = pool_tset(pool, &pool->stratum_init); if (!init) { bool ret = initiate_stratum(pool) && auth_stratum(pool); if (ret) init_stratum_threads(pool); else pool_tclear(pool, &pool->stratum_init); return ret; } return pool->stratum_active; } curl = curl_easy_init(); if (unlikely(!curl)) { applog(LOG_ERR, "CURL initialisation failed"); return false; } /* Probe for GBT support on first pass */ if (!pool->probed && !opt_fix_protocol) { applog(LOG_DEBUG, "Probing for GBT support"); val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, gbt_req, true, false, &rolltime, pool, false); if (val) { bool append = false, submit = false; json_t *res_val, *mutables; int i, mutsize = 0; res_val = json_object_get(val, "result"); if (res_val) { mutables = json_object_get(res_val, "mutable"); mutsize = json_array_size(mutables); } for (i = 0; i < mutsize; i++) { json_t *arrval = json_array_get(mutables, i); if (json_is_string(arrval)) { const char *mutable = json_string_value(arrval); if (!strncasecmp(mutable, "coinbase/append", 15)) append = true; else if (!strncasecmp(mutable, "submit/coinbase", 15)) submit = true; } } json_decref(val); /* Only use GBT if it supports coinbase append and * submit coinbase */ if (append && submit) { pool->has_gbt = true; pool->rpc_req = gbt_req; } } /* Reset this so we can probe fully just after this. It will be * set to true that time.*/ pool->probed = false; if (pool->has_gbt) applog(LOG_DEBUG, "GBT coinbase + append support found, switching to GBT protocol"); else applog(LOG_DEBUG, "No GBT coinbase + append support found, using getwork protocol"); } cgtime(&tv_getwork); val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, pool->rpc_req, true, false, &rolltime, pool, false); cgtime(&tv_getwork_reply); /* Detect if a http getwork pool has an X-Stratum header at startup, * and if so, switch to that in preference to getwork if it works */ if (pool->stratum_url && !opt_fix_protocol && stratum_works(pool)) { applog(LOG_NOTICE, "Switching pool %d %s to %s", pool->pool_no, pool->rpc_url, pool->stratum_url); if (!pool->rpc_url) pool->rpc_url = strdup(pool->stratum_url); pool->has_stratum = true; curl_easy_cleanup(curl); goto retry_stratum; } if (val) { struct work *work = make_work(); bool rc; rc = work_decode(pool, work, val); if (rc) { applog(LOG_DEBUG, "Successfully retrieved and deciphered work from pool %u %s", pool->pool_no, pool->rpc_url); work->pool = pool; work->rolltime = rolltime; copy_time(&work->tv_getwork, &tv_getwork); copy_time(&work->tv_getwork_reply, &tv_getwork_reply); work->getwork_mode = GETWORK_MODE_TESTPOOL; calc_diff(work, 0); applog(LOG_DEBUG, "Pushing pooltest work to base pool"); tq_push(control_thr[stage_thr_id].q, work); total_getworks++; pool->getwork_requested++; ret = true; cgtime(&pool->tv_idle); } else { applog(LOG_DEBUG, "Successfully retrieved but FAILED to decipher work from pool %u %s", pool->pool_no, pool->rpc_url); free_work(work); } json_decref(val); if (pool->lp_url) goto out; /* Decipher the longpoll URL, if any, and store it in ->lp_url */ if (pool->hdr_path) { char *copy_start, *hdr_path; bool need_slash = false; size_t siz; hdr_path = pool->hdr_path; if (strstr(hdr_path, "://")) { pool->lp_url = hdr_path; hdr_path = NULL; } else { /* absolute path, on current server */ copy_start = (*hdr_path == '/') ? (hdr_path + 1) : hdr_path; if (pool->rpc_url[strlen(pool->rpc_url) - 1] != '/') need_slash = true; siz = strlen(pool->rpc_url) + strlen(copy_start) + 2; pool->lp_url = malloc(siz); if (!pool->lp_url) { applog(LOG_ERR, "Malloc failure in pool_active"); return false; } snprintf(pool->lp_url, siz, "%s%s%s", pool->rpc_url, need_slash ? "/" : "", copy_start); } } else pool->lp_url = NULL; if (!pool->lp_started) { pool->lp_started = true; if (unlikely(pthread_create(&pool->longpoll_thread, NULL, longpoll_thread, (void *)pool))) quit(1, "Failed to create pool longpoll thread"); } } else { /* If we failed to parse a getwork, this could be a stratum * url without the prefix stratum+tcp:// so let's check it */ if (initiate_stratum(pool)) { pool->has_stratum = true; goto retry_stratum; } applog(LOG_DEBUG, "FAILED to retrieve work from pool %u %s", pool->pool_no, pool->rpc_url); if (!pinging) applog(LOG_WARNING, "Pool %u slow/down or URL or credentials invalid", pool->pool_no); } out: curl_easy_cleanup(curl); return ret; } static void pool_resus(struct pool *pool) { if (pool_strategy == POOL_FAILOVER && pool->prio < cp_prio()) applog(LOG_WARNING, "Pool %d %s alive, testing stability", pool->pool_no, pool->rpc_url); else applog(LOG_INFO, "Pool %d %s alive", pool->pool_no, pool->rpc_url); } static struct work *hash_pop(void) { struct work *work = NULL, *tmp; int hc; mutex_lock(stgd_lock); while (!HASH_COUNT(staged_work)) { struct timespec then; struct timeval now; int rc; cgtime(&now); then.tv_sec = now.tv_sec + 10; then.tv_nsec = now.tv_usec * 1000; pthread_cond_signal(&gws_cond); rc = pthread_cond_timedwait(&getq->cond, stgd_lock, &then); /* Check again for !no_work as multiple threads may be * waiting on this condition and another may set the * bool separately. */ if (rc && !no_work) { no_work = true; applog(LOG_WARNING, "Waiting for work to be available from pools."); } } if (no_work) { applog(LOG_WARNING, "Work available from pools, resuming."); no_work = false; } hc = HASH_COUNT(staged_work); /* Find clone work if possible, to allow masters to be reused */ if (hc > staged_rollable) { HASH_ITER(hh, staged_work, work, tmp) { if (!work_rollable(work)) break; } } else work = staged_work; HASH_DEL(staged_work, work); if (work_rollable(work)) staged_rollable--; /* Signal the getwork scheduler to look for more work */ pthread_cond_signal(&gws_cond); /* Signal hash_pop again in case there are mutliple hash_pop waiters */ pthread_cond_signal(&getq->cond); mutex_unlock(stgd_lock); return work; } static void gen_hash(unsigned char *data, unsigned char *hash, int len) { unsigned char hash1[32]; sha256(data, len, hash1); sha256(hash1, 32, hash); } void set_target(unsigned char *dest_target, double diff) { unsigned char target[32]; uint64_t *data64, h64; double d64, dcut64; if (unlikely(diff == 0.0)) { /* This shouldn't happen but best we check to prevent a crash */ applog(LOG_ERR, "Diff zero passed to set_target"); diff = 1.0; } // FIXME: is target set right? d64 = (double)65536 * truediffone; d64 /= diff; dcut64 = d64 / bits192; h64 = dcut64; data64 = (uint64_t *)(target + 24); *data64 = htole64(h64); dcut64 = h64; dcut64 *= bits192; d64 -= dcut64; dcut64 = d64 / bits128; h64 = dcut64; data64 = (uint64_t *)(target + 16); *data64 = htole64(h64); dcut64 = h64; dcut64 *= bits128; d64 -= dcut64; dcut64 = d64 / bits64; h64 = dcut64; data64 = (uint64_t *)(target + 8); *data64 = htole64(h64); dcut64 = h64; dcut64 *= bits64; d64 -= dcut64; h64 = d64; data64 = (uint64_t *)(target); *data64 = htole64(h64); if (opt_debug) { char *htarget = bin2hex(target, 32); applog(LOG_DEBUG, "Generated target %s", htarget); free(htarget); } memcpy(dest_target, target, 32); } /* Generates stratum based work based on the most recent notify information * from the pool. This will keep generating work while a pool is down so we use * other means to detect when the pool has died in stratum_thread */ static void gen_stratum_work(struct pool *pool, struct work *work) { unsigned char merkle_root[32], merkle_sha[64]; uint32_t *data32, *swap32; int i; cg_wlock(&pool->data_lock); /* Update coinbase */ memcpy(pool->coinbase + pool->nonce2_offset, &pool->nonce2, sizeof(uint32_t)); work->nonce2 = pool->nonce2++; work->nonce2_len = pool->n2size; /* Downgrade to a read lock to read off the pool variables */ cg_dwlock(&pool->data_lock); /* Generate merkle root */ gen_hash(pool->coinbase, merkle_root, pool->swork.cb_len); memcpy(merkle_sha, merkle_root, 32); for (i = 0; i < pool->swork.merkles; i++) { memcpy(merkle_sha + 32, pool->swork.merkle_bin[i], 32); gen_hash(merkle_sha, merkle_root, 64); memcpy(merkle_sha, merkle_root, 32); } data32 = (uint32_t *)merkle_sha; swap32 = (uint32_t *)merkle_root; flip32(swap32, data32); /* Copy the data template from header_bin */ memcpy(work->data, pool->header_bin, 128); memcpy(work->data + pool->merkle_offset, merkle_root, 32); /* Store the stratum work diff to check it still matches the pool's * stratum diff when submitting shares */ work->sdiff = pool->swork.diff; /* Copy parameters required for share submission */ work->job_id = strdup(pool->swork.job_id); work->nonce1 = strdup(pool->nonce1); work->ntime = strdup(pool->swork.ntime); cg_runlock(&pool->data_lock); if (opt_debug) { char *header, *merkle_hash; header = bin2hex(work->data, 128); merkle_hash = bin2hex((const unsigned char *)merkle_root, 32); applog(LOG_DEBUG, "Generated stratum merkle %s", merkle_hash); applog(LOG_DEBUG, "Generated stratum header %s", header); applog(LOG_DEBUG, "Work job_id %s nonce2 %d ntime %s", work->job_id, work->nonce2, work->ntime); free(header); free(merkle_hash); } calc_midstate(work); set_target(work->target, work->sdiff); local_work++; work->pool = pool; work->stratum = true; work->blk.nonce = 0; work->id = total_work++; work->longpoll = false; work->getwork_mode = GETWORK_MODE_STRATUM; work->work_block = work_block; /* Nominally allow a driver to ntime roll 60 seconds */ work->drv_rolllimit = 60; calc_diff(work, work->sdiff); cgtime(&work->tv_staged); } struct work *get_work(struct thr_info *thr, const int thr_id) { struct work *work = NULL; thread_reportout(thr); applog(LOG_DEBUG, "Popping work from get queue to get work"); while (!work) { work = hash_pop(); if (stale_work(work, false)) { discard_work(work); work = NULL; wake_gws(); } } applog(LOG_DEBUG, "Got work from get queue to get work for thread %d", thr_id); work->thr_id = thr_id; thread_reportin(thr); work->mined = true; work->device_diff = MIN(thr->cgpu->drv->max_diff, work->work_difficulty); return work; } /* Submit a copy of the tested, statistic recorded work item asynchronously */ static void submit_work_async(struct work *work) { struct pool *pool = work->pool; pthread_t submit_thread; cgtime(&work->tv_work_found); if (stale_work(work, true)) { if (opt_submit_stale) applog(LOG_NOTICE, "Pool %d stale share detected, submitting as user requested", pool->pool_no); else if (pool->submit_old) applog(LOG_NOTICE, "Pool %d stale share detected, submitting as pool requested", pool->pool_no); else { applog(LOG_NOTICE, "Pool %d stale share detected, discarding", pool->pool_no); sharelog("discard", work); mutex_lock(&stats_lock); total_stale++; pool->stale_shares++; total_diff_stale += work->work_difficulty; pool->diff_stale += work->work_difficulty; mutex_unlock(&stats_lock); free_work(work); return; } work->stale = true; } if (work->stratum) { applog(LOG_DEBUG, "Pushing pool %d work to stratum queue", pool->pool_no); if (unlikely(!tq_push(pool->stratum_q, work))) { applog(LOG_DEBUG, "Discarding work from removed pool"); free_work(work); } } else { applog(LOG_DEBUG, "Pushing submit work to work thread"); if (unlikely(pthread_create(&submit_thread, NULL, submit_work_thread, (void *)work))) quit(1, "Failed to create submit_work_thread"); } } void inc_hw_errors(struct thr_info *thr) { applog(LOG_INFO, "%s%d: invalid nonce - HW error", thr->cgpu->drv->name, thr->cgpu->device_id); mutex_lock(&stats_lock); hw_errors++; thr->cgpu->hw_errors++; mutex_unlock(&stats_lock); thr->cgpu->drv->hw_error(thr); } /* Fills in the work nonce and builds the output data in work->hash */ static void rebuild_nonce(struct work *work, uint32_t nonce) { uint32_t *work_nonce = (uint32_t *)(work->data + 64 + 12); *work_nonce = htole32(nonce); scrypt_regenhash(work); } /* For testing a nonce against diff 1 */ bool test_nonce(struct work *work, uint32_t nonce) { uint32_t *hash_32 = (uint32_t *)(work->hash + 28); uint32_t diff1targ; rebuild_nonce(work, nonce); diff1targ = 0x0000ffffUL; return (le32toh(*hash_32) <= diff1targ); } /* For testing a nonce against an arbitrary diff */ bool test_nonce_diff(struct work *work, uint32_t nonce, double diff) { uint64_t *hash64 = (uint64_t *)(work->hash + 24), diff64; rebuild_nonce(work, nonce); diff64 = 0x0000ffff00000000ULL; diff64 /= diff; return (le64toh(*hash64) <= diff64); } static void update_work_stats(struct thr_info *thr, struct work *work) { double test_diff = current_diff; test_diff *= 65536; work->share_diff = share_diff(work); test_diff *= 65536; if (unlikely(work->share_diff >= test_diff)) { work->block = true; work->pool->solved++; found_blocks++; work->mandatory = true; applog(LOG_NOTICE, "Found block for pool %d!", work->pool->pool_no); } mutex_lock(&stats_lock); total_diff1 += work->device_diff; thr->cgpu->diff1 += work->device_diff; work->pool->diff1 += work->device_diff; thr->cgpu->last_device_valid_work = time(NULL); mutex_unlock(&stats_lock); } /* To be used once the work has been tested to be meet diff1 and has had its * nonce adjusted. */ void submit_tested_work(struct thr_info *thr, struct work *work) { struct work *work_out; update_work_stats(thr, work); if (!fulltest(work->hash, work->target)) { applog(LOG_INFO, "Share above target"); return; } work_out = copy_work(work); submit_work_async(work_out); } /* Returns true if nonce for work was a valid share */ bool submit_nonce(struct thr_info *thr, struct work *work, uint32_t nonce) { if (test_nonce(work, nonce)) submit_tested_work(thr, work); else { inc_hw_errors(thr); return false; } return true; } /* Allows drivers to submit work items where the driver has changed the ntime * value by noffset. Must be only used with a work protocol that does not ntime * roll itself intrinsically to generate work (eg stratum). We do not touch * the original work struct, but the copy of it only. */ bool submit_noffset_nonce(struct thr_info *thr, struct work *work_in, uint32_t nonce, int noffset) { struct work *work = make_work(); bool ret = false; _copy_work(work, work_in, noffset); if (!test_nonce(work, nonce)) { inc_hw_errors(thr); goto out; } ret = true; update_work_stats(thr, work); if (!fulltest(work->hash, work->target)) { applog(LOG_INFO, "Share above target"); goto out; } submit_work_async(work); out: if (!ret) free_work(work); return ret; } static inline bool abandon_work(struct work *work, struct timeval *wdiff, uint64_t hashes) { if (wdiff->tv_sec > opt_scantime || work->blk.nonce >= MAXTHREADS - hashes || hashes >= 0xfffffffe || stale_work(work, false)) return true; return false; } static void mt_disable(struct thr_info *mythr, const int thr_id, struct device_drv *drv) { applog(LOG_WARNING, "Thread %d being disabled", thr_id); mythr->rolling = mythr->cgpu->rolling = 0; applog(LOG_DEBUG, "Waiting on sem in miner thread"); cgsem_wait(&mythr->sem); applog(LOG_WARNING, "Thread %d being re-enabled", thr_id); drv->thread_enable(mythr); } /* The main hashing loop for devices that are slow enough to work on one work * item at a time, without a queue, aborting work before the entire nonce * range has been hashed if needed. */ static void hash_sole_work(struct thr_info *mythr) { const int thr_id = mythr->id; struct cgpu_info *cgpu = mythr->cgpu; struct device_drv *drv = cgpu->drv; struct timeval getwork_start, tv_start, *tv_end, tv_workstart, tv_lastupdate; struct cgminer_stats *dev_stats = &(cgpu->cgminer_stats); struct cgminer_stats *pool_stats; /* Try to cycle approximately 5 times before each log update */ const long cycle = opt_log_interval / 5 ? : 1; const bool primary = (!mythr->device_thread) || mythr->primary_thread; struct timeval diff, sdiff, wdiff = {0, 0}; uint32_t max_nonce = drv->can_limit_work(mythr); int64_t hashes_done = 0; tv_end = &getwork_start; cgtime(&getwork_start); sdiff.tv_sec = sdiff.tv_usec = 0; cgtime(&tv_lastupdate); while (likely(!cgpu->shutdown)) { struct work *work = get_work(mythr, thr_id); int64_t hashes; mythr->work_restart = false; cgpu->new_work = true; cgtime(&tv_workstart); work->blk.nonce = 0; cgpu->max_hashes = 0; if (!drv->prepare_work(mythr, work)) { applog(LOG_ERR, "work prepare failed, exiting " "mining thread %d", thr_id); break; } work->device_diff = MIN(drv->working_diff, work->work_difficulty); /* Dynamically adjust the working diff even if the target * diff is very high to ensure we can still validate scrypt is * returning shares. */ double wu; wu = total_diff1 / total_secs * 60; if (wu > 30 && drv->working_diff < drv->max_diff && drv->working_diff < work->work_difficulty) { drv->working_diff++; applog(LOG_DEBUG, "Driver %s working diff changed to %.0f", drv->dname, drv->working_diff); work->device_diff = MIN(drv->working_diff, work->work_difficulty); } else if (drv->working_diff > work->work_difficulty) drv->working_diff = work->work_difficulty; set_target(work->device_target, work->device_diff); do { cgtime(&tv_start); subtime(&tv_start, &getwork_start); addtime(&getwork_start, &dev_stats->getwork_wait); if (time_more(&getwork_start, &dev_stats->getwork_wait_max)) copy_time(&dev_stats->getwork_wait_max, &getwork_start); if (time_less(&getwork_start, &dev_stats->getwork_wait_min)) copy_time(&dev_stats->getwork_wait_min, &getwork_start); dev_stats->getwork_calls++; pool_stats = &(work->pool->cgminer_stats); addtime(&getwork_start, &pool_stats->getwork_wait); if (time_more(&getwork_start, &pool_stats->getwork_wait_max)) copy_time(&pool_stats->getwork_wait_max, &getwork_start); if (time_less(&getwork_start, &pool_stats->getwork_wait_min)) copy_time(&pool_stats->getwork_wait_min, &getwork_start); pool_stats->getwork_calls++; cgtime(&(work->tv_work_start)); /* Only allow the mining thread to be cancelled when * it is not in the driver code. */ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); thread_reportin(mythr); hashes = drv->scanhash(mythr, work, work->blk.nonce + max_nonce); thread_reportout(mythr); pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); pthread_testcancel(); /* tv_end is == &getwork_start */ cgtime(&getwork_start); if (unlikely(hashes == -1)) { applog(LOG_ERR, "%s %d failure, disabling!", drv->name, cgpu->device_id); cgpu->deven = DEV_DISABLED; dev_error(cgpu, REASON_THREAD_ZERO_HASH); cgpu->shutdown = true; break; } hashes_done += hashes; if (hashes > cgpu->max_hashes) cgpu->max_hashes = hashes; timersub(tv_end, &tv_start, &diff); sdiff.tv_sec += diff.tv_sec; sdiff.tv_usec += diff.tv_usec; if (sdiff.tv_usec > 1000000) { ++sdiff.tv_sec; sdiff.tv_usec -= 1000000; } timersub(tv_end, &tv_workstart, &wdiff); if (unlikely((long)sdiff.tv_sec < cycle)) { int mult; if (likely(max_nonce == 0xffffffff)) continue; mult = 1000000 / ((sdiff.tv_usec + 0x400) / 0x400) + 0x10; mult *= cycle; if (max_nonce > (0xffffffff * 0x400) / mult) max_nonce = 0xffffffff; else max_nonce = (max_nonce * mult) / 0x400; } else if (unlikely(sdiff.tv_sec > cycle)) max_nonce = max_nonce * cycle / sdiff.tv_sec; else if (unlikely(sdiff.tv_usec > 100000)) max_nonce = max_nonce * 0x400 / (((cycle * 1000000) + sdiff.tv_usec) / (cycle * 1000000 / 0x400)); timersub(tv_end, &tv_lastupdate, &diff); /* Update the hashmeter at most 5 times per second */ if ((hashes_done && (diff.tv_sec > 0 || diff.tv_usec > 200000)) || diff.tv_sec >= opt_log_interval) { hashmeter(thr_id, &diff, hashes_done); hashes_done = 0; copy_time(&tv_lastupdate, tv_end); } if (unlikely(mythr->work_restart)) { /* Apart from device_thread 0, we stagger the * starting of every next thread to try and get * all devices busy before worrying about * getting work for their extra threads */ if (!primary) { struct timespec rgtp; rgtp.tv_sec = 0; rgtp.tv_nsec = 250 * mythr->device_thread * 1000000; nanosleep(&rgtp, NULL); } break; } if (unlikely(mythr->pause || cgpu->deven != DEV_ENABLED)) mt_disable(mythr, thr_id, drv); sdiff.tv_sec = sdiff.tv_usec = 0; } while (!abandon_work(work, &wdiff, cgpu->max_hashes)); free_work(work); } cgpu->deven = DEV_DISABLED; } /* Put a new unqueued work item in cgpu->unqueued_work under cgpu->qlock till * the driver tells us it's full so that it may extract the work item using * the get_queued() function which adds it to the hashtable on * cgpu->queued_work. */ static void fill_queue(struct thr_info *mythr, struct cgpu_info *cgpu, struct device_drv *drv, const int thr_id) { do { bool need_work; /* Do this lockless just to know if we need more unqueued work. */ need_work = (!cgpu->unqueued_work); /* get_work is a blocking function so do it outside of lock * to prevent deadlocks with other locks. */ if (need_work) { struct work *work = get_work(mythr, thr_id); wr_lock(&cgpu->qlock); /* Check we haven't grabbed work somehow between * checking and picking up the lock. */ if (likely(!cgpu->unqueued_work)) cgpu->unqueued_work = work; else need_work = false; wr_unlock(&cgpu->qlock); if (unlikely(!need_work)) discard_work(work); } /* The queue_full function should be used by the driver to * actually place work items on the physical device if it * does have a queue. */ } while (!drv->queue_full(cgpu)); } /* This function is for retrieving one work item from the unqueued pointer and * adding it to the hashtable of queued work. Code using this function must be * able to handle NULL as a return which implies there is no work available. */ struct work *get_queued(struct cgpu_info *cgpu) { struct work *work = NULL; wr_lock(&cgpu->qlock); if (cgpu->unqueued_work) { work = cgpu->unqueued_work; HASH_ADD_INT(cgpu->queued_work, id, work); cgpu->unqueued_work = NULL; } wr_unlock(&cgpu->qlock); return work; } /* This function is for finding an already queued work item in the * given que hashtable. Code using this function must be able * to handle NULL as a return which implies there is no matching work. * The calling function must lock access to the que if it is required. * The common values for midstatelen, offset, datalen are 32, 64, 12 */ struct work *__find_work_bymidstate(struct work *que, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen) { struct work *work, *tmp, *ret = NULL; HASH_ITER(hh, que, work, tmp) { if (memcmp(work->midstate, midstate, midstatelen) == 0 && memcmp(work->data + offset, data, datalen) == 0) { ret = work; break; } } return ret; } /* This function is for finding an already queued work item in the * device's queued_work hashtable. Code using this function must be able * to handle NULL as a return which implies there is no matching work. * The common values for midstatelen, offset, datalen are 32, 64, 12 */ struct work *find_queued_work_bymidstate(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen) { struct work *ret; rd_lock(&cgpu->qlock); ret = __find_work_bymidstate(cgpu->queued_work, midstate, midstatelen, data, offset, datalen); rd_unlock(&cgpu->qlock); return ret; } struct work *clone_queued_work_bymidstate(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen) { struct work *work, *ret = NULL; rd_lock(&cgpu->qlock); work = __find_work_bymidstate(cgpu->queued_work, midstate, midstatelen, data, offset, datalen); if (work) ret = copy_work(work); rd_unlock(&cgpu->qlock); return ret; } void __work_completed(struct cgpu_info *cgpu, struct work *work) { cgpu->queued_count--; HASH_DEL(cgpu->queued_work, work); } /* This function should be used by queued device drivers when they're sure * the work struct is no longer in use. */ void work_completed(struct cgpu_info *cgpu, struct work *work) { wr_lock(&cgpu->qlock); __work_completed(cgpu, work); wr_unlock(&cgpu->qlock); free_work(work); } /* Combines find_queued_work_bymidstate and work_completed in one function * withOUT destroying the work so the driver must free it. */ struct work *take_queued_work_bymidstate(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen) { struct work *work; wr_lock(&cgpu->qlock); work = __find_work_bymidstate(cgpu->queued_work, midstate, midstatelen, data, offset, datalen); if (work) __work_completed(cgpu, work); wr_unlock(&cgpu->qlock); return work; } static void flush_queue(struct cgpu_info *cgpu) { struct work *work = NULL; if (unlikely(!cgpu)) return; /* Use only a trylock in case we get into a deadlock with a queueing * function holding the read lock when we're called. */ if (wr_trylock(&cgpu->qlock)) return; work = cgpu->unqueued_work; cgpu->unqueued_work = NULL; wr_unlock(&cgpu->qlock); if (work) { free_work(work); applog(LOG_DEBUG, "Discarded queued work item"); } } /* This version of hash work is for devices that are fast enough to always * perform a full nonce range and need a queue to maintain the device busy. * Work creation and destruction is not done from within this function * directly. */ void hash_queued_work(struct thr_info *mythr) { struct timeval tv_start = {0, 0}, tv_end; struct cgpu_info *cgpu = mythr->cgpu; struct device_drv *drv = cgpu->drv; const int thr_id = mythr->id; int64_t hashes_done = 0; while (likely(!cgpu->shutdown)) { struct timeval diff; int64_t hashes; mythr->work_restart = mythr->work_update = false; fill_queue(mythr, cgpu, drv, thr_id); hashes = drv->scanwork(mythr); if (unlikely(hashes == -1 )) { applog(LOG_ERR, "%s %d failure, disabling!", drv->name, cgpu->device_id); cgpu->deven = DEV_DISABLED; dev_error(cgpu, REASON_THREAD_ZERO_HASH); mt_disable(mythr, thr_id, drv); } hashes_done += hashes; cgtime(&tv_end); timersub(&tv_end, &tv_start, &diff); /* Update the hashmeter at most 5 times per second */ if ((hashes_done && (diff.tv_sec > 0 || diff.tv_usec > 200000)) || diff.tv_sec >= opt_log_interval) { hashmeter(thr_id, &diff, hashes_done); hashes_done = 0; copy_time(&tv_start, &tv_end); } if (unlikely(mythr->pause || cgpu->deven != DEV_ENABLED)) mt_disable(mythr, thr_id, drv); if (mythr->work_update) drv->update_work(cgpu); } cgpu->deven = DEV_DISABLED; } /* This version of hash_work is for devices drivers that want to do their own * work management entirely, usually by using get_work(). Note that get_work * is a blocking function and will wait indefinitely if no work is available * so this must be taken into consideration in the driver. */ void hash_driver_work(struct thr_info *mythr) { struct timeval tv_start = {0, 0}, tv_end; struct cgpu_info *cgpu = mythr->cgpu; struct device_drv *drv = cgpu->drv; const int thr_id = mythr->id; int64_t hashes_done = 0; while (likely(!cgpu->shutdown)) { struct timeval diff; int64_t hashes; mythr->work_restart = mythr->work_update = false; hashes = drv->scanwork(mythr); if (unlikely(hashes == -1 )) { applog(LOG_ERR, "%s %d failure, disabling!", drv->name, cgpu->device_id); cgpu->deven = DEV_DISABLED; dev_error(cgpu, REASON_THREAD_ZERO_HASH); mt_disable(mythr, thr_id, drv); } hashes_done += hashes; cgtime(&tv_end); timersub(&tv_end, &tv_start, &diff); /* Update the hashmeter at most 5 times per second */ if ((hashes_done && (diff.tv_sec > 0 || diff.tv_usec > 200000)) || diff.tv_sec >= opt_log_interval) { hashmeter(thr_id, &diff, hashes_done); hashes_done = 0; copy_time(&tv_start, &tv_end); } if (unlikely(mythr->pause || cgpu->deven != DEV_ENABLED)) mt_disable(mythr, thr_id, drv); if (mythr->work_update) drv->update_work(cgpu); } cgpu->deven = DEV_DISABLED; } void *miner_thread(void *userdata) { struct thr_info *mythr = userdata; const int thr_id = mythr->id; struct cgpu_info *cgpu = mythr->cgpu; struct device_drv *drv = cgpu->drv; char threadname[24]; snprintf(threadname, 24, "miner/%d", thr_id); RenameThread(threadname); thread_reportout(mythr); if (!drv->thread_init(mythr)) { dev_error(cgpu, REASON_THREAD_FAIL_INIT); goto out; } applog(LOG_DEBUG, "Waiting on sem in miner thread"); cgsem_wait(&mythr->sem); drv->hash_work(mythr); out: drv->thread_shutdown(mythr); return NULL; } enum { STAT_SLEEP_INTERVAL = 1, STAT_CTR_INTERVAL = 10000000, FAILURE_INTERVAL = 30, }; #ifdef HAVE_LIBCURL /* Stage another work item from the work returned in a longpoll */ static void convert_to_work(json_t *val, int rolltime, struct pool *pool, struct timeval *tv_lp, struct timeval *tv_lp_reply) { struct work *work; bool rc; work = make_work(); rc = work_decode(pool, work, val); if (unlikely(!rc)) { applog(LOG_ERR, "Could not convert longpoll data to work"); free_work(work); return; } total_getworks++; pool->getwork_requested++; work->pool = pool; work->rolltime = rolltime; copy_time(&work->tv_getwork, tv_lp); copy_time(&work->tv_getwork_reply, tv_lp_reply); calc_diff(work, 0); if (pool->enabled == POOL_REJECTING) work->mandatory = true; if (pool->has_gbt) gen_gbt_work(pool, work); work->longpoll = true; work->getwork_mode = GETWORK_MODE_LP; /* We'll be checking this work item twice, but we already know it's * from a new block so explicitly force the new block detection now * rather than waiting for it to hit the stage thread. This also * allows testwork to know whether LP discovered the block or not. */ test_work_current(work); /* Don't use backup LPs as work if we have failover-only enabled. Use * the longpoll work from a pool that has been rejecting shares as a * way to detect when the pool has recovered. */ if (pool != current_pool() && opt_fail_only && pool->enabled != POOL_REJECTING) { free_work(work); return; } work = clone_work(work); applog(LOG_DEBUG, "Pushing converted work to stage thread"); stage_work(work); applog(LOG_DEBUG, "Converted longpoll data to work"); } /* If we want longpoll, enable it for the chosen default pool, or, if * the pool does not support longpoll, find the first one that does * and use its longpoll support */ static struct pool *select_longpoll_pool(struct pool *cp) { int i; if (cp->hdr_path || cp->has_gbt) return cp; for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; if (pool->has_stratum || pool->hdr_path) return pool; } return NULL; } #endif /* HAVE_LIBCURL */ /* This will make the longpoll thread wait till it's the current pool, or it * has been flagged as rejecting, before attempting to open any connections. */ static void wait_lpcurrent(struct pool *pool) { while (!cnx_needed(pool) && (pool->enabled == POOL_DISABLED || (pool != current_pool() && pool_strategy != POOL_LOADBALANCE && pool_strategy != POOL_BALANCE))) { mutex_lock(&lp_lock); pthread_cond_wait(&lp_cond, &lp_lock); mutex_unlock(&lp_lock); } } #ifdef HAVE_LIBCURL static void *longpoll_thread(void *userdata) { struct pool *cp = (struct pool *)userdata; /* This *pool is the source of the actual longpoll, not the pool we've * tied it to */ struct timeval start, reply, end; struct pool *pool = NULL; char threadname[16]; CURL *curl = NULL; int failures = 0; char lpreq[1024]; char *lp_url; int rolltime; snprintf(threadname, 16, "longpoll/%d", cp->pool_no); RenameThread(threadname); curl = curl_easy_init(); if (unlikely(!curl)) { applog(LOG_ERR, "CURL initialisation failed"); return NULL; } retry_pool: pool = select_longpoll_pool(cp); if (!pool) { applog(LOG_WARNING, "No suitable long-poll found for %s", cp->rpc_url); while (!pool) { cgsleep_ms(60000); pool = select_longpoll_pool(cp); } } if (pool->has_stratum) { applog(LOG_WARNING, "Block change for %s detection via %s stratum", cp->rpc_url, pool->rpc_url); goto out; } /* Any longpoll from any pool is enough for this to be true */ have_longpoll = true; wait_lpcurrent(cp); if (pool->has_gbt) { lp_url = pool->rpc_url; applog(LOG_WARNING, "GBT longpoll ID activated for %s", lp_url); } else { strcpy(lpreq, getwork_req); lp_url = pool->lp_url; if (cp == pool) applog(LOG_WARNING, "Long-polling activated for %s", lp_url); else applog(LOG_WARNING, "Long-polling activated for %s via %s", cp->rpc_url, lp_url); } while (42) { json_t *val, *soval; wait_lpcurrent(cp); cgtime(&start); /* Update the longpollid every time, but do it under lock to * avoid races */ if (pool->has_gbt) { cg_rlock(&pool->gbt_lock); snprintf(lpreq, sizeof(lpreq), "{\"id\": 0, \"method\": \"getblocktemplate\", \"params\": " "[{\"capabilities\": [\"coinbasetxn\", \"workid\", \"coinbase/append\"], " "\"longpollid\": \"%s\"}]}\n", pool->longpollid); cg_runlock(&pool->gbt_lock); } /* Longpoll connections can be persistent for a very long time * and any number of issues could have come up in the meantime * so always establish a fresh connection instead of relying on * a persistent one. */ curl_easy_setopt(curl, CURLOPT_FRESH_CONNECT, 1); val = json_rpc_call(curl, lp_url, pool->rpc_userpass, lpreq, false, true, &rolltime, pool, false); cgtime(&reply); if (likely(val)) { soval = json_object_get(json_object_get(val, "result"), "submitold"); if (soval) pool->submit_old = json_is_true(soval); else pool->submit_old = false; convert_to_work(val, rolltime, pool, &start, &reply); failures = 0; json_decref(val); } else { /* Some pools regularly drop the longpoll request so * only see this as longpoll failure if it happens * immediately and just restart it the rest of the * time. */ cgtime(&end); if (end.tv_sec - start.tv_sec > 30) continue; if (failures == 1) applog(LOG_WARNING, "longpoll failed for %s, retrying every 30s", lp_url); cgsleep_ms(30000); } if (pool != cp) { pool = select_longpoll_pool(cp); if (pool->has_stratum) { applog(LOG_WARNING, "Block change for %s detection via %s stratum", cp->rpc_url, pool->rpc_url); break; } if (unlikely(!pool)) goto retry_pool; } if (unlikely(pool->removed)) break; } out: curl_easy_cleanup(curl); return NULL; } #else /* HAVE_LIBCURL */ static void *longpoll_thread(void __maybe_unused *userdata) { pthread_detach(pthread_self()); return NULL; } #endif /* HAVE_LIBCURL */ void reinit_device(struct cgpu_info *cgpu) { cgpu->drv->reinit_device(cgpu); } static struct timeval rotate_tv; /* We reap curls if they are unused for over a minute */ static void reap_curl(struct pool *pool) { struct curl_ent *ent, *iter; struct timeval now; int reaped = 0; cgtime(&now); mutex_lock(&pool->pool_lock); list_for_each_entry_safe(ent, iter, &pool->curlring, node) { if (pool->curls < 2) break; if (now.tv_sec - ent->tv.tv_sec > 300) { reaped++; pool->curls--; list_del(&ent->node); curl_easy_cleanup(ent->curl); free(ent); } } mutex_unlock(&pool->pool_lock); if (reaped) applog(LOG_DEBUG, "Reaped %d curl%s from pool %d", reaped, reaped > 1 ? "s" : "", pool->pool_no); } static void *watchpool_thread(void __maybe_unused *userdata) { int intervals = 0; pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); RenameThread("watchpool"); while (42) { struct timeval now; int i; if (++intervals > 20) intervals = 0; cgtime(&now); for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; if (!opt_benchmark) reap_curl(pool); /* Get a rolling utility per pool over 10 mins */ if (intervals > 19) { int shares = pool->diff1 - pool->last_shares; pool->last_shares = pool->diff1; pool->utility = (pool->utility + (double)shares * 0.63) / 1.63; pool->shares = pool->utility; } if (pool->enabled == POOL_DISABLED) continue; /* Don't start testing any pools if the test threads * from startup are still doing their first attempt. */ if (unlikely(pool->testing)) { pthread_join(pool->test_thread, NULL); pool->testing = false; } /* Test pool is idle once every minute */ if (pool->idle && now.tv_sec - pool->tv_idle.tv_sec > 30) { cgtime(&pool->tv_idle); if (pool_active(pool, true) && pool_tclear(pool, &pool->idle)) pool_resus(pool); } /* Only switch pools if the failback pool has been * alive for more than one minute to prevent * intermittently failing pools from being used. */ if (!pool->idle && pool_strategy == POOL_FAILOVER && pool->prio < cp_prio() && now.tv_sec - pool->tv_idle.tv_sec > 60) { applog(LOG_WARNING, "Pool %d %s stable for 1 minute", pool->pool_no, pool->rpc_url); switch_pools(NULL); } } if (current_pool()->idle) switch_pools(NULL); if (pool_strategy == POOL_ROTATE && now.tv_sec - rotate_tv.tv_sec > 60 * opt_rotate_period) { cgtime(&rotate_tv); switch_pools(NULL); } cgsleep_ms(30000); } return NULL; } /* Makes sure the hashmeter keeps going even if mining threads stall, updates * the screen at regular intervals, and restarts threads if they appear to have * died. */ #define WATCHDOG_INTERVAL 2 #define WATCHDOG_SICK_TIME 120 #define WATCHDOG_DEAD_TIME 600 #define WATCHDOG_SICK_COUNT (WATCHDOG_SICK_TIME/WATCHDOG_INTERVAL) #define WATCHDOG_DEAD_COUNT (WATCHDOG_DEAD_TIME/WATCHDOG_INTERVAL) static void *watchdog_thread(void __maybe_unused *userdata) { const unsigned int interval = WATCHDOG_INTERVAL; struct timeval zero_tv; pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); RenameThread("watchdog"); memset(&zero_tv, 0, sizeof(struct timeval)); cgtime(&rotate_tv); while (1) { int i; struct timeval now; sleep(interval); discard_stale(); hashmeter(-1, &zero_tv, 0); #ifdef HAVE_CURSES if (curses_active_locked()) { struct cgpu_info *cgpu; int count; change_logwinsize(); curses_print_status(); count = 0; for (i = 0; i < total_devices; i++) { cgpu = get_devices(i); if (cgpu) curses_print_devstatus(cgpu, count++); } touchwin(statuswin); wrefresh(statuswin); touchwin(logwin); wrefresh(logwin); unlock_curses(); } #endif cgtime(&now); if (!sched_paused && !should_run()) { applog(LOG_WARNING, "Pausing execution as per stop time %02d:%02d scheduled", schedstop.tm.tm_hour, schedstop.tm.tm_min); if (!schedstart.enable) { quit(0, "Terminating execution as planned"); break; } applog(LOG_WARNING, "Will restart execution as scheduled at %02d:%02d", schedstart.tm.tm_hour, schedstart.tm.tm_min); sched_paused = true; rd_lock(&mining_thr_lock); for (i = 0; i < mining_threads; i++) mining_thr[i]->pause = true; rd_unlock(&mining_thr_lock); } else if (sched_paused && should_run()) { applog(LOG_WARNING, "Restarting execution as per start time %02d:%02d scheduled", schedstart.tm.tm_hour, schedstart.tm.tm_min); if (schedstop.enable) applog(LOG_WARNING, "Will pause execution as scheduled at %02d:%02d", schedstop.tm.tm_hour, schedstop.tm.tm_min); sched_paused = false; for (i = 0; i < mining_threads; i++) { struct thr_info *thr; thr = get_thread(i); /* Don't touch disabled devices */ if (thr->cgpu->deven == DEV_DISABLED) continue; thr->pause = false; applog(LOG_DEBUG, "Pushing sem post to thread %d", thr->id); cgsem_post(&thr->sem); } } for (i = 0; i < total_devices; ++i) { struct cgpu_info *cgpu = get_devices(i); struct thr_info *thr = cgpu->thr[0]; enum dev_enable *denable; char dev_str[8]; int gpu; cgpu->drv->get_stats(cgpu); gpu = cgpu->device_id; denable = &cgpu->deven; snprintf(dev_str, sizeof(dev_str), "%s%d", cgpu->drv->name, gpu); #ifdef HAVE_ADL if (adl_active && cgpu->has_adl) gpu_autotune(gpu, denable); if (opt_debug && cgpu->has_adl) { int engineclock = 0, memclock = 0, activity = 0, fanspeed = 0, fanpercent = 0, powertune = 0; float temp = 0, vddc = 0; if (gpu_stats(gpu, &temp, &engineclock, &memclock, &vddc, &activity, &fanspeed, &fanpercent, &powertune)) applog(LOG_DEBUG, "%.1f C F: %d%%(%dRPM) E: %dMHz M: %dMhz V: %.3fV A: %d%% P: %d%%", temp, fanpercent, fanspeed, engineclock, memclock, vddc, activity, powertune); } #endif /* Thread is waiting on getwork or disabled */ if (thr->getwork || *denable == DEV_DISABLED) continue; if (cgpu->status != LIFE_WELL && (now.tv_sec - thr->last.tv_sec < WATCHDOG_SICK_TIME)) { if (cgpu->status != LIFE_INIT) applog(LOG_ERR, "%s: Recovered, declaring WELL!", dev_str); cgpu->status = LIFE_WELL; cgpu->device_last_well = time(NULL); } else if (cgpu->status == LIFE_WELL && (now.tv_sec - thr->last.tv_sec > WATCHDOG_SICK_TIME)) { thr->rolling = cgpu->rolling = 0; cgpu->status = LIFE_SICK; applog(LOG_ERR, "%s: Idle for more than 60 seconds, declaring SICK!", dev_str); cgtime(&thr->sick); dev_error(cgpu, REASON_DEV_SICK_IDLE_60); #ifdef HAVE_ADL if (adl_active && cgpu->has_adl && gpu_activity(gpu) > 50) { applog(LOG_ERR, "GPU still showing activity suggesting a hard hang."); applog(LOG_ERR, "Will not attempt to auto-restart it."); } else #endif if (opt_restart) { applog(LOG_ERR, "%s: Attempting to restart", dev_str); reinit_device(cgpu); } } else if (cgpu->status == LIFE_SICK && (now.tv_sec - thr->last.tv_sec > WATCHDOG_DEAD_TIME)) { cgpu->status = LIFE_DEAD; applog(LOG_ERR, "%s: Not responded for more than 10 minutes, declaring DEAD!", dev_str); cgtime(&thr->sick); dev_error(cgpu, REASON_DEV_DEAD_IDLE_600); } else if (now.tv_sec - thr->sick.tv_sec > 60 && (cgpu->status == LIFE_SICK || cgpu->status == LIFE_DEAD)) { /* Attempt to restart a GPU that's sick or dead once every minute */ cgtime(&thr->sick); #ifdef HAVE_ADL if (adl_active && cgpu->has_adl && gpu_activity(gpu) > 50) { /* Again do not attempt to restart a device that may have hard hung */ } else #endif if (opt_restart) reinit_device(cgpu); } } } return NULL; } static void log_print_status(struct cgpu_info *cgpu) { char logline[255]; get_statline(logline, sizeof(logline), cgpu); applog(LOG_WARNING, "%s", logline); } static void noop_get_statline(char __maybe_unused *buf, size_t __maybe_unused bufsiz, struct cgpu_info __maybe_unused *cgpu); void blank_get_statline_before(char *buf, size_t bufsiz, struct cgpu_info __maybe_unused *cgpu); void print_summary(void) { struct timeval diff; int hours, mins, secs, i; double utility, displayed_hashes, work_util; bool mhash_base = true; timersub(&total_tv_end, &total_tv_start, &diff); hours = diff.tv_sec / 3600; mins = (diff.tv_sec % 3600) / 60; secs = diff.tv_sec % 60; utility = total_accepted / total_secs * 60; work_util = total_diff1 / total_secs * 60; applog(LOG_WARNING, "\nSummary of runtime statistics:\n"); applog(LOG_WARNING, "Started at %s", datestamp); if (total_pools == 1) applog(LOG_WARNING, "Pool: %s", pools[0]->rpc_url); applog(LOG_WARNING, "Runtime: %d hrs : %d mins : %d secs", hours, mins, secs); displayed_hashes = total_mhashes_done / total_secs; if (displayed_hashes < 1) { displayed_hashes *= 1000; mhash_base = false; } applog(LOG_WARNING, "Average hashrate: %.1f %shash/s", displayed_hashes, mhash_base? "Mega" : "Kilo"); applog(LOG_WARNING, "Solved blocks: %d", found_blocks); applog(LOG_WARNING, "Best share difficulty: %s", best_share); applog(LOG_WARNING, "Share submissions: %d", total_accepted + total_rejected); applog(LOG_WARNING, "Accepted shares: %d", total_accepted); applog(LOG_WARNING, "Rejected shares: %d", total_rejected); applog(LOG_WARNING, "Accepted difficulty shares: %1.f", total_diff_accepted); applog(LOG_WARNING, "Rejected difficulty shares: %1.f", total_diff_rejected); if (total_accepted || total_rejected) applog(LOG_WARNING, "Reject ratio: %.1f%%", (double)(total_rejected * 100) / (double)(total_accepted + total_rejected)); applog(LOG_WARNING, "Hardware errors: %d", hw_errors); applog(LOG_WARNING, "Utility (accepted shares / min): %.2f/min", utility); applog(LOG_WARNING, "Work Utility (diff1 shares solved / min): %.2f/min\n", work_util); applog(LOG_WARNING, "Stale submissions discarded due to new blocks: %d", total_stale); applog(LOG_WARNING, "Unable to get work from server occasions: %d", total_go); applog(LOG_WARNING, "Work items generated locally: %d", local_work); applog(LOG_WARNING, "Submitting work remotely delay occasions: %d", total_ro); applog(LOG_WARNING, "New blocks detected on network: %d\n", new_blocks); if (total_pools > 1) { for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; applog(LOG_WARNING, "Pool: %s", pool->rpc_url); if (pool->solved) applog(LOG_WARNING, "SOLVED %d BLOCK%s!", pool->solved, pool->solved > 1 ? "S" : ""); applog(LOG_WARNING, " Share submissions: %d", pool->accepted + pool->rejected); applog(LOG_WARNING, " Accepted shares: %d", pool->accepted); applog(LOG_WARNING, " Rejected shares: %d", pool->rejected); applog(LOG_WARNING, " Accepted difficulty shares: %1.f", pool->diff_accepted); applog(LOG_WARNING, " Rejected difficulty shares: %1.f", pool->diff_rejected); if (pool->accepted || pool->rejected) applog(LOG_WARNING, " Reject ratio: %.1f%%", (double)(pool->rejected * 100) / (double)(pool->accepted + pool->rejected)); applog(LOG_WARNING, " Items worked on: %d", pool->works); applog(LOG_WARNING, " Stale submissions discarded due to new blocks: %d", pool->stale_shares); applog(LOG_WARNING, " Unable to get work from server occasions: %d", pool->getfail_occasions); applog(LOG_WARNING, " Submitting work remotely delay occasions: %d\n", pool->remotefail_occasions); } } applog(LOG_WARNING, "Summary of per device statistics:\n"); for (i = 0; i < total_devices; ++i) { struct cgpu_info *cgpu = get_devices(i); cgpu->drv->get_statline_before = &blank_get_statline_before; cgpu->drv->get_statline = &noop_get_statline; log_print_status(cgpu); } if (opt_shares) { applog(LOG_WARNING, "Mined %d accepted shares of %d requested\n", total_accepted, opt_shares); if (opt_shares > total_accepted) applog(LOG_WARNING, "WARNING - Mined only %d shares of %d requested.", total_accepted, opt_shares); } applog(LOG_WARNING, " "); fflush(stderr); fflush(stdout); } static void clean_up(bool restarting) { #ifdef HAVE_ADL clear_adl(nDevs); #endif cgtime(&total_tv_end); #ifdef WIN32 timeEndPeriod(1); #endif #ifdef HAVE_CURSES disable_curses(); #endif if (!restarting && !opt_realquiet && successful_connect) print_summary(); curl_global_cleanup(); } void _quit(int status) { clean_up(false); #if defined(unix) || defined(__APPLE__) if (forkpid > 0) { kill(forkpid, SIGTERM); forkpid = 0; } #endif exit(status); } #ifdef HAVE_CURSES char *curses_input(const char *query) { char *input; echo(); input = malloc(255); if (!input) quit(1, "Failed to malloc input"); leaveok(logwin, false); wlogprint("%s:\n", query); wgetnstr(logwin, input, 255); if (!strlen(input)) strcpy(input, "-1"); leaveok(logwin, true); noecho(); return input; } #endif static bool pools_active = false; static void *test_pool_thread(void *arg) { struct pool *pool = (struct pool *)arg; if (pool_active(pool, false)) { pool_tset(pool, &pool->lagging); pool_tclear(pool, &pool->idle); bool first_pool = false; cg_wlock(&control_lock); if (!pools_active) { currentpool = pool; if (pool->pool_no != 0) first_pool = true; pools_active = true; } cg_wunlock(&control_lock); if (unlikely(first_pool)) applog(LOG_NOTICE, "Switching to pool %d %s - first alive pool", pool->pool_no, pool->rpc_url); pool_resus(pool); switch_pools(NULL); } else pool_died(pool); return NULL; } /* Always returns true that the pool details were added unless we are not * live, implying this is the only pool being added, so if no pools are * active it returns false. */ bool add_pool_details(struct pool *pool, bool live, char *url, char *user, char *pass) { size_t siz; url = get_proxy(url, pool); pool->rpc_url = url; pool->rpc_user = user; pool->rpc_pass = pass; siz = strlen(pool->rpc_user) + strlen(pool->rpc_pass) + 2; pool->rpc_userpass = malloc(siz); if (!pool->rpc_userpass) quit(1, "Failed to malloc userpass"); snprintf(pool->rpc_userpass, siz, "%s:%s", pool->rpc_user, pool->rpc_pass); pool->testing = true; pool->idle = true; enable_pool(pool); pthread_create(&pool->test_thread, NULL, test_pool_thread, (void *)pool); if (!live) { pthread_join(pool->test_thread, NULL); pool->testing = false; return pools_active; } return true; } #ifdef HAVE_CURSES static bool input_pool(bool live) { char *url = NULL, *user = NULL, *pass = NULL; struct pool *pool; bool ret = false; immedok(logwin, true); wlogprint("Input server details.\n"); url = curses_input("URL"); if (!url) goto out; user = curses_input("Username"); if (!user) goto out; pass = curses_input("Password"); if (!pass) goto out; pool = add_pool(); if (!detect_stratum(pool, url) && strncmp(url, "http://", 7) && strncmp(url, "https://", 8)) { char *httpinput; httpinput = malloc(256); if (!httpinput) quit(1, "Failed to malloc httpinput"); strcpy(httpinput, "http://"); strncat(httpinput, url, 248); free(url); url = httpinput; } ret = add_pool_details(pool, live, url, user, pass); out: immedok(logwin, false); if (!ret) { if (url) free(url); if (user) free(user); if (pass) free(pass); } return ret; } #endif #if defined(unix) || defined(__APPLE__) static void fork_monitor() { // Make a pipe: [readFD, writeFD] int pfd[2]; int r = pipe(pfd); if (r < 0) { perror("pipe - failed to create pipe for --monitor"); exit(1); } // Make stderr write end of pipe fflush(stderr); r = dup2(pfd[1], 2); if (r < 0) { perror("dup2 - failed to alias stderr to write end of pipe for --monitor"); exit(1); } r = close(pfd[1]); if (r < 0) { perror("close - failed to close write end of pipe for --monitor"); exit(1); } // Don't allow a dying monitor to kill the main process sighandler_t sr0 = signal(SIGPIPE, SIG_IGN); sighandler_t sr1 = signal(SIGPIPE, SIG_IGN); if (SIG_ERR == sr0 || SIG_ERR == sr1) { perror("signal - failed to edit signal mask for --monitor"); exit(1); } // Fork a child process forkpid = fork(); if (forkpid < 0) { perror("fork - failed to fork child process for --monitor"); exit(1); } // Child: launch monitor command if (0 == forkpid) { // Make stdin read end of pipe r = dup2(pfd[0], 0); if (r < 0) { perror("dup2 - in child, failed to alias read end of pipe to stdin for --monitor"); exit(1); } close(pfd[0]); if (r < 0) { perror("close - in child, failed to close read end of pipe for --monitor"); exit(1); } // Launch user specified command execl("/bin/bash", "/bin/bash", "-c", opt_stderr_cmd, (char*)NULL); perror("execl - in child failed to exec user specified command for --monitor"); exit(1); } // Parent: clean up unused fds and bail r = close(pfd[0]); if (r < 0) { perror("close - failed to close read end of pipe for --monitor"); exit(1); } } #endif // defined(unix) #ifdef HAVE_CURSES static void enable_curses_windows(void) { int x,y; getmaxyx(mainwin, y, x); statuswin = newwin(logstart, x, 0, 0); leaveok(statuswin, true); logwin = newwin(y - logcursor, 0, logcursor, 0); idlok(logwin, true); scrollok(logwin, true); leaveok(logwin, true); cbreak(); noecho(); } void enable_curses(void) { lock_curses(); if (curses_active) { unlock_curses(); return; } mainwin = initscr(); enable_curses_windows(); curses_active = true; statusy = logstart; unlock_curses(); } #endif static int cgminer_id_count = 0; /* Various noop functions for drivers that don't support or need their * variants. */ static void noop_reinit_device(struct cgpu_info __maybe_unused *cgpu) { } void blank_get_statline_before(char *buf, size_t bufsiz, struct cgpu_info __maybe_unused *cgpu) { tailsprintf(buf, bufsiz, " | "); } static void noop_get_statline(char __maybe_unused *buf, size_t __maybe_unused bufsiz, struct cgpu_info __maybe_unused *cgpu) { } static bool noop_get_stats(struct cgpu_info __maybe_unused *cgpu) { return true; } static bool noop_thread_prepare(struct thr_info __maybe_unused *thr) { return true; } static uint64_t noop_can_limit_work(struct thr_info __maybe_unused *thr) { return 0xffffffff; } static bool noop_thread_init(struct thr_info __maybe_unused *thr) { return true; } static bool noop_prepare_work(struct thr_info __maybe_unused *thr, struct work __maybe_unused *work) { return true; } static void noop_hw_error(struct thr_info __maybe_unused *thr) { } static void noop_thread_shutdown(struct thr_info __maybe_unused *thr) { } static void noop_thread_enable(struct thr_info __maybe_unused *thr) { } static void noop_detect(bool __maybe_unused hotplug) { } #define noop_flush_work noop_reinit_device #define noop_update_work noop_reinit_device #define noop_queue_full noop_get_stats /* Fill missing driver drv functions with noops */ void fill_device_drv(struct device_drv *drv) { if (!drv->drv_detect) drv->drv_detect = &noop_detect; if (!drv->reinit_device) drv->reinit_device = &noop_reinit_device; if (!drv->get_statline_before) drv->get_statline_before = &blank_get_statline_before; if (!drv->get_statline) drv->get_statline = &noop_get_statline; if (!drv->get_stats) drv->get_stats = &noop_get_stats; if (!drv->thread_prepare) drv->thread_prepare = &noop_thread_prepare; if (!drv->can_limit_work) drv->can_limit_work = &noop_can_limit_work; if (!drv->thread_init) drv->thread_init = &noop_thread_init; if (!drv->prepare_work) drv->prepare_work = &noop_prepare_work; if (!drv->hw_error) drv->hw_error = &noop_hw_error; if (!drv->thread_shutdown) drv->thread_shutdown = &noop_thread_shutdown; if (!drv->thread_enable) drv->thread_enable = &noop_thread_enable; if (!drv->hash_work) drv->hash_work = &hash_sole_work; if (!drv->flush_work) drv->flush_work = &noop_flush_work; if (!drv->update_work) drv->update_work = &noop_update_work; if (!drv->queue_full) drv->queue_full = &noop_queue_full; if (!drv->max_diff) drv->max_diff = 1; if (!drv->working_diff) drv->working_diff = 1; } void enable_device(struct cgpu_info *cgpu) { cgpu->deven = DEV_ENABLED; wr_lock(&devices_lock); devices[cgpu->cgminer_id = cgminer_id_count++] = cgpu; wr_unlock(&devices_lock); if (hotplug_mode) { new_threads += cgpu->threads; #ifdef HAVE_CURSES adj_width(mining_threads + new_threads, &dev_width); #endif } else { mining_threads += cgpu->threads; #ifdef HAVE_CURSES adj_width(mining_threads, &dev_width); #endif } if (cgpu->drv->drv_id == DRIVER_opencl) { gpu_threads += cgpu->threads; } rwlock_init(&cgpu->qlock); cgpu->queued_work = NULL; } struct _cgpu_devid_counter { char name[4]; int lastid; UT_hash_handle hh; }; static void adjust_mostdevs(void) { if (total_devices - zombie_devs > most_devices) most_devices = total_devices - zombie_devs; } bool add_cgpu(struct cgpu_info *cgpu) { static struct _cgpu_devid_counter *devids = NULL; struct _cgpu_devid_counter *d; HASH_FIND_STR(devids, cgpu->drv->name, d); if (d) cgpu->device_id = ++d->lastid; else { d = malloc(sizeof(*d)); memcpy(d->name, cgpu->drv->name, sizeof(d->name)); cgpu->device_id = d->lastid = 0; HASH_ADD_STR(devids, name, d); } wr_lock(&devices_lock); devices = realloc(devices, sizeof(struct cgpu_info *) * (total_devices + new_devices + 2)); wr_unlock(&devices_lock); mutex_lock(&stats_lock); cgpu->last_device_valid_work = time(NULL); mutex_unlock(&stats_lock); if (hotplug_mode) devices[total_devices + new_devices++] = cgpu; else devices[total_devices++] = cgpu; adjust_mostdevs(); return true; } struct device_drv *copy_drv(struct device_drv *drv) { struct device_drv *copy; if (unlikely(!(copy = malloc(sizeof(*copy))))) { quit(1, "Failed to allocate device_drv copy of %s (%s)", drv->name, drv->copy ? "copy" : "original"); } memcpy(copy, drv, sizeof(*copy)); copy->copy = true; return copy; } static void probe_pools(void) { int i; for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; pool->testing = true; pthread_create(&pool->test_thread, NULL, test_pool_thread, (void *)pool); } } #define DRIVER_FILL_DEVICE_DRV(X) fill_device_drv(&X##_drv); #define DRIVER_DRV_DETECT_ALL(X) X##_drv.drv_detect(false); int main(int argc, char *argv[]) { struct sigaction handler; struct thr_info *thr; struct block *block; unsigned int k; int i, j; char *s; /* This dangerous functions tramples random dynamically allocated * variables so do it before anything at all */ if (unlikely(curl_global_init(CURL_GLOBAL_ALL))) quit(1, "Failed to curl_global_init"); #if LOCK_TRACKING // Must be first if (unlikely(pthread_mutex_init(&lockstat_lock, NULL))) quithere(1, "Failed to pthread_mutex_init lockstat_lock errno=%d", errno); #endif initial_args = malloc(sizeof(char *) * (argc + 1)); for (i = 0; i < argc; i++) initial_args[i] = strdup(argv[i]); initial_args[argc] = NULL; mutex_init(&hash_lock); mutex_init(&console_lock); cglock_init(&control_lock); mutex_init(&stats_lock); mutex_init(&sharelog_lock); cglock_init(&ch_lock); mutex_init(&sshare_lock); rwlock_init(&blk_lock); rwlock_init(&netacc_lock); rwlock_init(&mining_thr_lock); rwlock_init(&devices_lock); mutex_init(&lp_lock); if (unlikely(pthread_cond_init(&lp_cond, NULL))) quit(1, "Failed to pthread_cond_init lp_cond"); mutex_init(&restart_lock); if (unlikely(pthread_cond_init(&restart_cond, NULL))) quit(1, "Failed to pthread_cond_init restart_cond"); if (unlikely(pthread_cond_init(&gws_cond, NULL))) quit(1, "Failed to pthread_cond_init gws_cond"); snprintf(packagename, sizeof(packagename), "%s %s", PACKAGE, VERSION); handler.sa_handler = &sighandler; handler.sa_flags = 0; sigemptyset(&handler.sa_mask); sigaction(SIGTERM, &handler, &termhandler); sigaction(SIGINT, &handler, &inthandler); #ifndef WIN32 signal(SIGPIPE, SIG_IGN); #else timeBeginPeriod(1); #endif opt_kernel_path = alloca(PATH_MAX); strcpy(opt_kernel_path, CGMINER_PREFIX); cgminer_path = alloca(PATH_MAX); s = strdup(argv[0]); strcpy(cgminer_path, dirname(s)); free(s); strcat(cgminer_path, "/"); devcursor = 8; logstart = devcursor + 1; logcursor = logstart + 1; block = calloc(sizeof(struct block), 1); if (unlikely(!block)) quit (1, "main OOM"); for (i = 0; i < 36; i++) strcat(block->hash, "0"); HASH_ADD_STR(blocks, hash, block); strcpy(current_hash, block->hash); INIT_LIST_HEAD(&scan_devices); memset(gpus, 0, sizeof(gpus)); for (i = 0; i < MAX_GPUDEVICES; i++) gpus[i].dynamic = true; /* parse command line */ opt_register_table(opt_config_table, "Options for both config file and command line"); opt_register_table(opt_cmdline_table, "Options for command line only"); opt_parse(&argc, argv, applog_and_exit); if (argc != 1) quit(1, "Unexpected extra commandline arguments"); if (!config_loaded) load_default_config(); if (opt_benchmark) { struct pool *pool; // FIXME: executes always (leftover from SHA256d days quit(1, "Cannot use benchmark mode with scrypt"); pool = add_pool(); pool->rpc_url = malloc(255); strcpy(pool->rpc_url, "Benchmark"); pool->rpc_user = pool->rpc_url; pool->rpc_pass = pool->rpc_url; enable_pool(pool); pool->idle = false; successful_connect = true; } #ifdef HAVE_CURSES if (opt_realquiet || opt_display_devs) use_curses = false; if (use_curses) enable_curses(); #endif applog(LOG_WARNING, "Started %s", packagename); if (cnfbuf) { applog(LOG_NOTICE, "Loaded configuration file %s", cnfbuf); switch (fileconf_load) { case 0: applog(LOG_WARNING, "Fatal JSON error in configuration file."); applog(LOG_WARNING, "Configuration file could not be used."); break; case -1: applog(LOG_WARNING, "Error in configuration file, partially loaded."); if (use_curses) applog(LOG_WARNING, "Start cgminer with -T to see what failed to load."); break; default: break; } free(cnfbuf); cnfbuf = NULL; } strcat(opt_kernel_path, "/"); if (want_per_device_stats) opt_log_output = true; /* Use a shorter scantime for scrypt (SHA256d had 60) */ if (opt_scantime < 0) opt_scantime = 30; total_control_threads = 9; control_thr = calloc(total_control_threads, sizeof(*thr)); if (!control_thr) quit(1, "Failed to calloc control_thr"); gwsched_thr_id = 0; /* Use the DRIVER_PARSE_COMMANDS macro to fill all the device_drvs */ DRIVER_PARSE_COMMANDS(DRIVER_FILL_DEVICE_DRV) opencl_drv.drv_detect(false); if (opt_display_devs) { applog(LOG_ERR, "Devices detected:"); for (i = 0; i < total_devices; ++i) { struct cgpu_info *cgpu = devices[i]; if (cgpu->name) applog(LOG_ERR, " %2d. %s %d: %s (driver: %s)", i, cgpu->drv->name, cgpu->device_id, cgpu->name, cgpu->drv->dname); else applog(LOG_ERR, " %2d. %s %d (driver: %s)", i, cgpu->drv->name, cgpu->device_id, cgpu->drv->dname); } quit(0, "%d devices listed", total_devices); } mining_threads = 0; if (opt_devs_enabled) { for (i = 0; i < MAX_DEVICES; i++) { if (devices_enabled[i]) { if (i >= total_devices) quit (1, "Command line options set a device that doesn't exist"); enable_device(devices[i]); } else if (i < total_devices) { if (!opt_removedisabled) enable_device(devices[i]); devices[i]->deven = DEV_DISABLED; } } total_devices = cgminer_id_count; } else { for (i = 0; i < total_devices; ++i) enable_device(devices[i]); } if (!total_devices) quit(1, "All devices disabled, cannot mine!"); most_devices = total_devices; load_temp_cutoffs(); for (i = 0; i < total_devices; ++i) devices[i]->cgminer_stats.getwork_wait_min.tv_sec = MIN_SEC_UNSET; if (!opt_compact) { logstart += most_devices; logcursor = logstart + 1; #ifdef HAVE_CURSES check_winsizes(); #endif } #ifdef USE_SCRYPT // I don't really know if this is relevant for other mining platforms if (!getenv("GPU_MAX_ALLOC_PERCENT")) applog(LOG_WARNING, "WARNING: GPU_MAX_ALLOC_PERCENT is not specified!"); if (!getenv("GPU_USE_SYNC_OBJECTS")) applog(LOG_WARNING, "WARNING: GPU_USE_SYNC_OBJECTS is not specified!"); #endif if (!total_pools) { applog(LOG_WARNING, "Need to specify at least one pool server."); #ifdef HAVE_CURSES if (!use_curses || !input_pool(false)) #endif quit(1, "Pool setup failed"); } for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; size_t siz; pool->cgminer_stats.getwork_wait_min.tv_sec = MIN_SEC_UNSET; pool->cgminer_pool_stats.getwork_wait_min.tv_sec = MIN_SEC_UNSET; if (!pool->rpc_userpass) { if (!pool->rpc_user || !pool->rpc_pass) quit(1, "No login credentials supplied for pool %u %s", i, pool->rpc_url); siz = strlen(pool->rpc_user) + strlen(pool->rpc_pass) + 2; pool->rpc_userpass = malloc(siz); if (!pool->rpc_userpass) quit(1, "Failed to malloc userpass"); snprintf(pool->rpc_userpass, siz, "%s:%s", pool->rpc_user, pool->rpc_pass); } } /* Set the currentpool to pool 0 */ currentpool = pools[0]; #ifdef HAVE_SYSLOG_H if (use_syslog) openlog(PACKAGE, LOG_PID, LOG_USER); #endif #if defined(unix) || defined(__APPLE__) if (opt_stderr_cmd) fork_monitor(); #endif // defined(unix) mining_thr = calloc(mining_threads, sizeof(thr)); if (!mining_thr) quit(1, "Failed to calloc mining_thr"); for (i = 0; i < mining_threads; i++) { mining_thr[i] = calloc(1, sizeof(*thr)); if (!mining_thr[i]) quit(1, "Failed to calloc mining_thr[%d]", i); } stage_thr_id = 2; thr = &control_thr[stage_thr_id]; thr->q = tq_new(); if (!thr->q) quit(1, "Failed to tq_new"); /* start stage thread */ if (thr_info_create(thr, NULL, stage_thread, thr)) quit(1, "stage thread create failed"); pthread_detach(thr->pth); /* Create a unique get work queue */ getq = tq_new(); if (!getq) quit(1, "Failed to create getq"); /* We use the getq mutex as the staged lock */ stgd_lock = &getq->mutex; if (opt_benchmark) goto begin_bench; for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; enable_pool(pool); pool->idle = true; } applog(LOG_NOTICE, "Probing for an alive pool"); do { int slept = 0; /* Look for at least one active pool before starting */ probe_pools(); do { sleep(1); slept++; } while (!pools_active && slept < 60); if (!pools_active) { applog(LOG_ERR, "No servers were found that could be used to get work from."); applog(LOG_ERR, "Please check the details from the list below of the servers you have input"); applog(LOG_ERR, "Most likely you have input the wrong URL, forgotten to add a port, or have not set up workers"); for (i = 0; i < total_pools; i++) { struct pool *pool; pool = pools[i]; applog(LOG_WARNING, "Pool: %d URL: %s User: %s Password: %s", i, pool->rpc_url, pool->rpc_user, pool->rpc_pass); } #ifdef HAVE_CURSES if (use_curses) { halfdelay(150); applog(LOG_ERR, "Press any key to exit, or cgminer will try again in 15s."); if (getch() != ERR) quit(0, "No servers could be used! Exiting."); cbreak(); } else #endif quit(0, "No servers could be used! Exiting."); } } while (!pools_active); begin_bench: total_mhashes_done = 0; for (i = 0; i < total_devices; i++) { struct cgpu_info *cgpu = devices[i]; cgpu->rolling = cgpu->total_mhashes = 0; } cgtime(&total_tv_start); cgtime(&total_tv_end); get_datestamp(datestamp, sizeof(datestamp), &total_tv_start); // Start threads k = 0; for (i = 0; i < total_devices; ++i) { struct cgpu_info *cgpu = devices[i]; cgpu->thr = malloc(sizeof(*cgpu->thr) * (cgpu->threads+1)); cgpu->thr[cgpu->threads] = NULL; cgpu->status = LIFE_INIT; for (j = 0; j < cgpu->threads; ++j, ++k) { thr = get_thread(k); thr->id = k; thr->cgpu = cgpu; thr->device_thread = j; if (!cgpu->drv->thread_prepare(thr)) continue; if (unlikely(thr_info_create(thr, NULL, miner_thread, thr))) quit(1, "thread %d create failed", thr->id); cgpu->thr[j] = thr; /* Enable threads for devices set not to mine but disable * their queue in case we wish to enable them later */ if (cgpu->deven != DEV_DISABLED) { applog(LOG_DEBUG, "Pushing sem post to thread %d", thr->id); cgsem_post(&thr->sem); } } } applog(LOG_INFO, "%d gpu miner threads started", gpu_threads); for (i = 0; i < nDevs; i++) pause_dynamic_threads(i); cgtime(&total_tv_start); cgtime(&total_tv_end); watchpool_thr_id = 3; thr = &control_thr[watchpool_thr_id]; /* start watchpool thread */ if (thr_info_create(thr, NULL, watchpool_thread, NULL)) quit(1, "watchpool thread create failed"); pthread_detach(thr->pth); watchdog_thr_id = 4; thr = &control_thr[watchdog_thr_id]; /* start watchdog thread */ if (thr_info_create(thr, NULL, watchdog_thread, NULL)) quit(1, "watchdog thread create failed"); pthread_detach(thr->pth); /* Create reinit gpu thread */ gpur_thr_id = 5; thr = &control_thr[gpur_thr_id]; thr->q = tq_new(); if (!thr->q) quit(1, "tq_new failed for gpur_thr_id"); if (thr_info_create(thr, NULL, reinit_gpu, thr)) quit(1, "reinit_gpu thread create failed"); /* Create API socket thread */ api_thr_id = 6; thr = &control_thr[api_thr_id]; if (thr_info_create(thr, NULL, api_thread, thr)) quit(1, "API thread create failed"); #ifdef HAVE_CURSES /* Create curses input thread for keyboard input. Create this last so * that we know all threads are created since this can call kill_work * to try and shut down all previous threads. */ input_thr_id = 8; thr = &control_thr[input_thr_id]; if (thr_info_create(thr, NULL, input_thread, thr)) quit(1, "input thread create failed"); pthread_detach(thr->pth); #endif /* Just to be sure */ if (total_control_threads != 9) quit(1, "incorrect total_control_threads (%d) should be 9", total_control_threads); /* Once everything is set up, main() becomes the getwork scheduler */ while (42) { int ts, max_staged = opt_queue; struct pool *pool, *cp; bool lagging = false; struct work *work; if (opt_work_update) signal_work_update(); opt_work_update = false; cp = current_pool(); /* If the primary pool is a getwork pool and cannot roll work, * try to stage one extra work per mining thread */ if (!pool_localgen(cp) && !staged_rollable) max_staged += mining_threads; mutex_lock(stgd_lock); ts = __total_staged(); if (!pool_localgen(cp) && !ts && !opt_fail_only) lagging = true; /* Wait until hash_pop tells us we need to create more work */ if (ts > max_staged) { pthread_cond_wait(&gws_cond, stgd_lock); ts = __total_staged(); } mutex_unlock(stgd_lock); if (ts > max_staged) continue; work = make_work(); if (lagging && !pool_tset(cp, &cp->lagging)) { applog(LOG_WARNING, "Pool %d not providing work fast enough", cp->pool_no); cp->getfail_occasions++; total_go++; } pool = select_pool(lagging); retry: if (pool->has_stratum) { while (!pool->stratum_active || !pool->stratum_notify) { struct pool *altpool = select_pool(true); cgsleep_ms(5000); if (altpool != pool) { pool = altpool; goto retry; } } gen_stratum_work(pool, work); applog(LOG_DEBUG, "Generated stratum work"); stage_work(work); continue; } if (opt_benchmark) { get_benchmark_work(work); applog(LOG_DEBUG, "Generated benchmark work"); stage_work(work); continue; } #ifdef HAVE_LIBCURL struct curl_ent *ce; if (pool->has_gbt) { while (pool->idle) { struct pool *altpool = select_pool(true); cgsleep_ms(5000); if (altpool != pool) { pool = altpool; goto retry; } } gen_gbt_work(pool, work); applog(LOG_DEBUG, "Generated GBT work"); stage_work(work); continue; } if (clone_available()) { applog(LOG_DEBUG, "Cloned getwork work"); free_work(work); continue; } work->pool = pool; ce = pop_curl_entry(pool); /* obtain new work from bitcoin via JSON-RPC */ if (!get_upstream_work(work, ce->curl)) { applog(LOG_DEBUG, "Pool %d json_rpc_call failed on get work, retrying in 5s", pool->pool_no); /* Make sure the pool just hasn't stopped serving * requests but is up as we'll keep hammering it */ if (++pool->seq_getfails > mining_threads + opt_queue) pool_died(pool); cgsleep_ms(5000); push_curl_entry(ce, pool); pool = select_pool(!opt_fail_only); goto retry; } if (ts >= max_staged) pool_tclear(pool, &pool->lagging); if (pool_tclear(pool, &pool->idle)) pool_resus(pool); applog(LOG_DEBUG, "Generated getwork work"); stage_work(work); push_curl_entry(ce, pool); #endif } return 0; }