/* * Copyright 2011-2012 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 #ifndef WIN32 #include #endif #include #include #include #include #include #include "compat.h" #include "miner.h" #include "findnonce.h" #include "adl.h" #include "driver-cpu.h" #include "driver-opencl.h" #include "bench_block.h" #if defined(unix) #include #include #include #endif enum workio_commands { WC_GET_WORK, WC_SUBMIT_WORK, }; struct workio_cmd { enum workio_commands cmd; struct thr_info *thr; union { struct work *work; } u; bool lagging; }; struct strategies strategies[] = { { "Failover" }, { "Round Robin" }, { "Rotate" }, { "Load Balance" }, }; static char packagename[255]; int gpu_threads; bool opt_protocol; static bool opt_benchmark; static bool have_longpoll; static bool want_per_device_stats; bool use_syslog; static bool opt_quiet; static bool opt_realquiet; bool opt_loginput; const int opt_cutofftemp = 95; static int opt_retries = -1; static int opt_fail_pause = 5; static int fail_pause = 5; int opt_log_interval = 5; static int opt_queue = 1; int opt_scantime = 60; int opt_expiry = 120; int opt_bench_algo = -1; static const bool opt_time = true; #ifdef HAVE_OPENCL int opt_dynamic_interval = 7; #endif bool opt_restart = true; static bool opt_nogpu; struct list_head scan_devices; int nDevs; int opt_g_threads = 2; static signed int devices_enabled; static bool opt_removedisabled; int total_devices; struct cgpu_info *devices[MAX_DEVICES]; bool have_opencl; int gpu_threads; int opt_n_threads = -1; 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; static bool opt_fail_only; bool opt_autofan; bool opt_autoengine; bool opt_noadl; char *opt_api_allow = NULL; char *opt_api_description = PACKAGE_STRING; int opt_api_port = 4028; bool opt_api_listen; bool opt_api_network; bool opt_delaynet; bool opt_disable_pool = true; char *opt_icarus_timing = NULL; char *opt_kernel_path; char *cgminer_path; #define QUIET (opt_quiet || opt_realquiet) struct thr_info *thr_info; static int work_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_threads; struct work_restart *work_restart = NULL; static pthread_mutex_t hash_lock; static pthread_mutex_t qd_lock; static pthread_mutex_t *stgd_lock; #ifdef HAVE_CURSES static pthread_mutex_t curses_lock; #endif static pthread_mutex_t ch_lock; static pthread_rwlock_t blk_lock; pthread_rwlock_t netacc_lock; static pthread_mutex_t lp_lock; static pthread_cond_t lp_cond; double total_mhashes_done; static struct timeval total_tv_start, total_tv_end; pthread_mutex_t control_lock; int hw_errors; int total_accepted, total_rejected; int total_getworks, total_stale, total_discarded; static int total_queued; 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[MAX_POOLS]; static struct pool *currentpool = NULL; int total_pools; enum pool_strategy pool_strategy = POOL_FAILOVER; int opt_rotate_period; static int total_urls, total_users, total_passes, total_userpasses; #ifndef HAVE_CURSES const #endif static bool curses_active; static char current_block[37]; static char *current_hash; static char datestamp[40]; static char blocktime[30]; struct block { char hash[37]; UT_hash_handle hh; }; static struct block *blocks = NULL; char *opt_socks_proxy = NULL; static const char def_conf[] = "cgminer.conf"; static bool config_loaded; static int include_count; #define JSON_INCLUDE_CONF "include" #define JSON_LOAD_ERROR "JSON decode of file '%s' failed" #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) static char *opt_stderr_cmd = NULL; static int forkpid; #endif // defined(unix) bool ping = true; struct sigaction termhandler, inthandler; struct thread_q *getq; static int total_work; struct work *staged_work = NULL; static int staged_extras; 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; gettimeofday(&tv, NULL); tm = localtime(&tv.tv_sec); 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, struct timeval *tv) { struct tm *tm; tm = localtime(&tv->tv_sec); sprintf(f, "[%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); } void get_timestamp(char *f, struct timeval *tv) { struct tm *tm; tm = localtime(&tv->tv_sec); sprintf(f, "[%02d:%02d:%02d]", tm->tm_hour, tm->tm_min, tm->tm_sec); } static void applog_and_exit(const char *fmt, ...) { va_list ap; va_start(ap, fmt); vapplog(LOG_ERR, fmt, ap); va_end(ap); exit(1); } static pthread_mutex_t sharelog_lock; static FILE *sharelog_file = NULL; static void sharelog(const char*disposition, const struct work*work) { if (!sharelog_file) return; int thr_id = work->thr_id; struct cgpu_info *cgpu = thr_info[thr_id].cgpu; struct pool *pool = work->pool; unsigned long int t = (unsigned long int)work->share_found_time; char *target = bin2hex(work->target, sizeof(work->target)); if (unlikely(!target)) { applog(LOG_ERR, "sharelog target OOM"); return; } char *hash = bin2hex(work->hash, sizeof(work->hash)); if (unlikely(!hash)) { free(target); applog(LOG_ERR, "sharelog hash OOM"); return; } char *data = bin2hex(work->data, sizeof(work->data)); if (unlikely(!data)) { free(target); free(hash); applog(LOG_ERR, "sharelog data OOM"); return; } // timestamp,disposition,target,pool,dev,thr,sharehash,sharedata char s[1024]; int rv; rv = snprintf(s, sizeof(s), "%lu,%s,%s,%s,%s%u,%u,%s,%s\n", t, disposition, target, pool->rpc_url, cgpu->api->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; } size_t ret; mutex_lock(&sharelog_lock); ret = fwrite(s, rv, 1, sharelog_file); fflush(sharelog_file); mutex_unlock(&sharelog_lock); if (1 != ret) applog(LOG_ERR, "sharelog fwrite error"); } /* Return value is ignored if not called from add_pool_details */ static 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[total_pools++] = pool; if (unlikely(pthread_mutex_init(&pool->pool_lock, NULL))) quit(1, "Failed to pthread_mutex_init in add_pool"); if (unlikely(pthread_cond_init(&pool->cr_cond, NULL))) quit(1, "Failed to pthread_cond_init in add_pool"); 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; 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; mutex_lock(&control_lock); pool = currentpool; mutex_unlock(&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); } #if defined(USE_BITFORCE) || defined(USE_ICARUS) static char *add_serial(char *arg) { string_elist_add(arg, &scan_devices); return NULL; } #endif static char *set_devices(char *arg) { int i = strtol(arg, &arg, 0); if (*arg) { if (*arg == '?') { devices_enabled = -1; return NULL; } return "Invalid device number"; } if (i < 0 || i >= (int)(sizeof(devices_enabled) * 8) - 1) return "Invalid device number"; devices_enabled |= 1 << i; 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; } static char *set_url(char *arg) { struct pool *pool; total_urls++; if (total_urls > total_pools) add_pool(); pool = pools[total_urls - 1]; 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; } 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; 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]; opt_set_charp(arg, &pool->rpc_userpass); return NULL; } static char *enable_debug(bool *flag) { *flag = true; /* Turn out 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"); devices[device]->cutofftemp = val; } } else val = opt_cutofftemp; if (device <= 1) { for (i = device; i < total_devices; ++i) devices[i]->cutofftemp = val; } } static char *set_api_allow(const char *arg) { opt_set_charp(arg, &opt_api_allow); return NULL; } static char *set_api_description(const char *arg) { opt_set_charp(arg, &opt_api_description); return NULL; } #ifdef USE_ICARUS static char *set_icarus_timing(const char *arg) { opt_set_charp(arg, &opt_icarus_timing); return NULL; } #endif /* These options are available from config file or commandline */ static struct opt_table opt_config_table[] = { #ifdef WANT_CPUMINE OPT_WITH_ARG("--algo|-a", set_algo, show_algo, &opt_algo, "Specify sha256 implementation for CPU mining:\n" "\tauto\t\tBenchmark at startup and pick fastest algorithm" "\n\tc\t\tLinux kernel sha256, implemented in C" #ifdef WANT_SSE2_4WAY "\n\t4way\t\ttcatm's 4-way SSE2 implementation" #endif #ifdef WANT_VIA_PADLOCK "\n\tvia\t\tVIA padlock implementation" #endif "\n\tcryptopp\tCrypto++ C/C++ implementation" #ifdef WANT_CRYPTOPP_ASM32 "\n\tcryptopp_asm32\tCrypto++ 32-bit assembler implementation" #endif #ifdef WANT_X8632_SSE2 "\n\tsse2_32\t\tSSE2 32 bit implementation for i386 machines" #endif #ifdef WANT_X8664_SSE2 "\n\tsse2_64\t\tSSE2 64 bit implementation for x86_64 machines" #endif #ifdef WANT_X8664_SSE4 "\n\tsse4_64\t\tSSE4.1 64 bit implementation for x86_64 machines" #endif #ifdef WANT_ALTIVEC_4WAY "\n\taltivec_4way\tAltivec implementation for PowerPC G4 and G5 machines" #endif ), #endif OPT_WITH_ARG("--api-allow", set_api_allow, NULL, NULL, "Allow API access only to the given list of 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_WITHOUT_ARG("--api-listen", opt_set_bool, &opt_api_listen, "Enable API, default: disabled"), 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("--benchmark", opt_set_bool, &opt_benchmark, "Run cgminer in benchmark mode - produces no shares"), #ifdef WANT_CPUMINE OPT_WITH_ARG("--bench-algo|-b", set_int_0_to_9999, opt_show_intval, &opt_bench_algo, opt_hidden), OPT_WITH_ARG("--cpu-threads|-t", force_nthreads_int, opt_show_intval, &opt_n_threads, "Number of miner CPU threads"), #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, (Use repeat -d for multiple devices, default: all)"), OPT_WITHOUT_ARG("--disable-gpu|-G", opt_set_bool, &opt_nogpu, #ifdef HAVE_OPENCL "Disable GPU mining even if suitable devices exist" #else opt_hidden #endif ), #if defined(WANT_CPUMINE) && (defined(HAVE_OPENCL) || defined(USE_BITFORCE) || defined(USE_ICARUS)) OPT_WITHOUT_ARG("--enable-cpu|-C", opt_set_bool, &opt_usecpu, "Enable CPU mining with other mining (default: no CPU mining if other devices exist)"), #endif 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"), #ifdef HAVE_OPENCL 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"), OPT_WITH_ARG("--gpu-threads|-g", set_int_1_to_10, opt_show_intval, &opt_g_threads, "Number of threads per GPU (1 - 10)"), #ifdef HAVE_ADL 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("--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 the kernel .cl files are"), OPT_WITH_ARG("--kernel|-k", set_kernel, NULL, NULL, "Override kernel to use (diablo, poclbm, phatk or diakgcn) - one value or comma separated"), #endif #ifdef USE_ICARUS OPT_WITH_ARG("--icarus-timing", set_icarus_timing, NULL, NULL, opt_hidden), #endif OPT_WITHOUT_ARG("--load-balance", set_loadbalance, &pool_strategy, "Change multipool strategy from failover to even load balance"), OPT_WITH_ARG("--log|-l", set_int_0_to_9999, opt_show_intval, &opt_log_interval, "Interval in seconds between log output"), #if defined(unix) 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, "Do not automatically disable pools that continually reject shares"), OPT_WITHOUT_ARG("--no-restart", opt_set_invbool, &opt_restart, #ifdef HAVE_OPENCL "Do not attempt to restart GPUs that hang" #else opt_hidden #endif ), 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_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|-r", opt_set_intval, opt_show_intval, &opt_retries, "Number of times to retry before giving up, if JSON-RPC call fails (-1 means never)"), OPT_WITH_ARG("--retry-pause|-R", set_int_0_to_9999, opt_show_intval, &opt_fail_pause, "Number of seconds to pause, between retries"), 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"), #if defined(USE_BITFORCE) || defined(USE_ICARUS) OPT_WITH_ARG("--scan-serial|-S", add_serial, NULL, NULL, "Serial port to probe for FPGA Mining device"), #endif 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_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) 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("--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"), #ifdef HAVE_OPENCL OPT_WITH_ARG("--vectors|-v", set_vector, NULL, NULL, "Override detected optimal vector (1, 2 or 4) - one value or comma separated list"), #endif OPT_WITHOUT_ARG("--verbose", opt_set_bool, &opt_log_output, "Log verbose output to stderr as well as status output"), #ifdef HAVE_OPENCL OPT_WITH_ARG("--worksize|-w", set_worksize, NULL, NULL, "Override detected optimal worksize - one value or comma separated list"), #endif OPT_WITH_ARG("--userpass|-O", set_userpass, NULL, NULL, "Username:Password pair for bitcoin JSON-RPC server"), 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]; json_t *val; struct opt_table *opt; 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)); /* 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 { sprintf(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; 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)) { json_error = malloc(JSON_LOAD_ERROR_LEN + strlen(arg)); if (!json_error) quit(1, "Malloc failure in json error"); sprintf(json_error, JSON_LOAD_ERROR, arg); 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 void load_default_config(void) { cnfbuf = malloc(PATH_MAX); #if defined(unix) if (getenv("HOME") && *getenv("HOME")) { strcpy(cnfbuf, getenv("HOME")); strcat(cnfbuf, "/"); } else strcpy(cnfbuf, ""); strcat(cnfbuf, ".cgminer/"); #else strcpy(cnfbuf, ""); #endif strcat(cnfbuf, def_conf); 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\nBuilt with " #ifdef HAVE_OPENCL "GPU " #endif #ifdef WANT_CPUMINE "CPU " #endif #ifdef USE_BITFORCE "bitforce " #endif #ifdef USE_ICARUS "icarus " #endif #ifdef USE_ZTEX "ztex " #endif "mining support.\n" , packagename); printf("%s", opt_usage(opt_argv0, extra)); fflush(stdout); exit(0); } /* 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_WITHOUT_ARG("--help|-h", opt_verusage_and_exit, NULL, "Print this message"), #ifdef HAVE_OPENCL OPT_WITHOUT_ARG("--ndevs|-n", print_ndevs_and_exit, &nDevs, "Display number of detected GPUs, OpenCL platform information, and exit"), #endif OPT_WITHOUT_ARG("--version|-V", opt_version_and_exit, packagename, "Display version and exit"), OPT_ENDTABLE }; 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; } static bool work_decode(const json_t *val, struct work *work) { if (unlikely(!jobj_binary(val, "data", work->data, sizeof(work->data), true))) { applog(LOG_ERR, "JSON inval data"); goto err_out; } if (likely(!jobj_binary(val, "midstate", work->midstate, sizeof(work->midstate), false))) { // Calculate it ourselves union { unsigned char c[64]; uint32_t i[16]; } data; int swapcounter; for (swapcounter = 0; swapcounter < 16; swapcounter++) data.i[swapcounter] = swab32(((uint32_t*) (work->data))[swapcounter]); sha2_context ctx; sha2_starts( &ctx, 0 ); sha2_update( &ctx, data.c, 64 ); memcpy(work->midstate, ctx.state, sizeof(work->midstate)); #if defined(__BIG_ENDIAN__) || defined(MIPSEB) int i; for (i = 0; i < 8; i++) (((uint32_t*) (work->midstate))[i]) = swab32(((uint32_t*) (work->midstate))[i]); #endif } if (likely(!jobj_binary(val, "hash1", work->hash1, sizeof(work->hash1), false))) { // Always the same anyway memcpy(work->hash1, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x80\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0", 64); } if (unlikely(!jobj_binary(val, "target", work->target, sizeof(work->target), true))) { applog(LOG_ERR, "JSON inval target"); goto err_out; } memset(work->hash, 0, sizeof(work->hash)); gettimeofday(&work->tv_staged, NULL); return true; err_out: return false; } int dev_from_id(int thr_id) { return thr_info[thr_id].cgpu->device_id; } /* Make the change in the recent value adjust dynamically when the difference * is large, but damp it when the values are closer together. This allows the * value to change quickly, but not fluctuate too dramatically when it has * stabilised. */ void decay_time(double *f, double fadd) { double ratio = 0; if (likely(*f > 0)) { ratio = fadd / *f; if (ratio > 1) ratio = 1 / ratio; } if (ratio > 0.63) *f = (fadd * 0.58 + *f) / 1.58; else *f = (fadd + *f * 0.58) / 1.58; } static int requests_staged(void) { int ret; mutex_lock(stgd_lock); ret = HASH_COUNT(staged_work); mutex_unlock(stgd_lock); return ret; } #ifdef HAVE_CURSES WINDOW *mainwin, *statuswin, *logwin; #endif double total_secs = 0.1; static char statusline[256]; /* logstart is where the log window should start */ static int devcursor, logstart, logcursor; /* statusy is where the status window goes up to in cases where it won't fit at startup */ static int statusy; struct cgpu_info gpus[MAX_GPUDEVICES]; /* Maximum number apparently possible */ struct cgpu_info *cpus; #ifdef HAVE_CURSES static inline void unlock_curses(void) { mutex_unlock(&curses_lock); } static inline void lock_curses(void) { mutex_lock(&curses_lock); } static bool curses_active_locked(void) { bool ret; lock_curses(); ret = curses_active; if (!ret) unlock_curses(); return ret; } #endif void tailsprintf(char *f, const char *fmt, ...) { va_list ap; va_start(ap, fmt); vsprintf(f + strlen(f), fmt, ap); va_end(ap); } static void get_statline(char *buf, struct cgpu_info *cgpu) { sprintf(buf, "%s%d ", cgpu->api->name, cgpu->device_id); if (cgpu->api->get_statline_before) cgpu->api->get_statline_before(buf, cgpu); else tailsprintf(buf, " | "); tailsprintf(buf, "(%ds):%.1f (avg):%.1f Mh/s | A:%d R:%d HW:%d U:%.1f/m", opt_log_interval, cgpu->rolling, cgpu->total_mhashes / total_secs, cgpu->accepted, cgpu->rejected, cgpu->hw_errors, cgpu->utility); if (cgpu->api->get_statline) cgpu->api->get_statline(buf, cgpu); } static void text_print_status(int thr_id) { struct cgpu_info *cgpu = thr_info[thr_id].cgpu; char logline[255]; if (cgpu) { get_statline(logline, cgpu); printf("%s\n", logline); } } #ifdef HAVE_CURSES /* 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); mvwprintw(statuswin, 0, 0, " " PACKAGE " version " VERSION " - Started: %s", datestamp); #ifdef WANT_CPUMINE if (opt_n_threads) wprintw(statuswin, " CPU Algo: %s", algo_names[opt_algo]); #endif wattroff(statuswin, A_BOLD); mvwhline(statuswin, 1, 0, '-', 80); mvwprintw(statuswin, 2, 0, " %s", statusline); wclrtoeol(statuswin); mvwprintw(statuswin, 3, 0, " TQ: %d ST: %d SS: %d DW: %d NB: %d LW: %d GF: %d RF: %d", total_queued, requests_staged(), total_stale, total_discarded, new_blocks, local_work, total_go, total_ro); wclrtoeol(statuswin); if (pool_strategy == POOL_LOADBALANCE && total_pools > 1) mvwprintw(statuswin, 4, 0, " Connected to multiple pools with%s LP", have_longpoll ? "": "out"); else mvwprintw(statuswin, 4, 0, " Connected to %s with%s LP as user %s", pool->rpc_url, have_longpoll ? "": "out", pool->rpc_user); wclrtoeol(statuswin); mvwprintw(statuswin, 5, 0, " Block: %s... Started: %s", current_hash, blocktime); mvwhline(statuswin, 6, 0, '-', 80); mvwhline(statuswin, statusy - 1, 0, '-', 80); mvwprintw(statuswin, devcursor - 1, 1, "[P]ool management %s[S]ettings [D]isplay options [Q]uit", have_opencl ? "[G]PU management " : ""); } static void adj_width(int var, int *length) { if ((int)(log10(var) + 1) > *length) (*length)++; } static void curses_print_devstatus(int thr_id) { static int awidth = 1, rwidth = 1, hwwidth = 1, uwidth = 1; struct cgpu_info *cgpu = thr_info[thr_id].cgpu; char logline[255]; cgpu->utility = cgpu->accepted / ( total_secs ? total_secs : 1 ) * 60; /* Check this isn't out of the window size */ if (wmove(statuswin,devcursor + cgpu->cgminer_id, 0) == ERR) return; wprintw(statuswin, " %s %d: ", cgpu->api->name, cgpu->device_id); if (cgpu->api->get_statline_before) { logline[0] = '\0'; cgpu->api->get_statline_before(logline, cgpu); wprintw(statuswin, "%s", logline); } else wprintw(statuswin, " | "); if (cgpu->status == LIFE_DEAD) wprintw(statuswin, "DEAD "); else if (cgpu->status == LIFE_SICK) wprintw(statuswin, "SICK "); else if (cgpu->deven == DEV_DISABLED) wprintw(statuswin, "OFF "); else if (cgpu->deven == DEV_RECOVER) wprintw(statuswin, "REST "); else wprintw(statuswin, "%5.1f", cgpu->rolling); adj_width(cgpu->accepted, &awidth); adj_width(cgpu->rejected, &rwidth); adj_width(cgpu->hw_errors, &hwwidth); adj_width(cgpu->utility, &uwidth); wprintw(statuswin, "/%5.1fMh/s | A:%*d R:%*d HW:%*d U:%*.2f/m", cgpu->total_mhashes / total_secs, awidth, cgpu->accepted, rwidth, cgpu->rejected, hwwidth, cgpu->hw_errors, uwidth + 3, cgpu->utility); if (cgpu->api->get_statline) { logline[0] = '\0'; cgpu->api->get_statline(logline, cgpu); wprintw(statuswin, "%s", logline); } wclrtoeol(statuswin); } #endif static void print_status(int thr_id) { if (!curses_active) text_print_status(thr_id); } #ifdef HAVE_CURSES /* Check for window resize. Called with curses mutex locked */ static inline bool change_logwinsize(void) { int x, y, logx, logy; bool ret = false; getmaxyx(mainwin, y, x); if (x < 80 || y < 25) return ret; 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); ret = true; } y -= logcursor; getmaxyx(logwin, logy, logx); /* Detect screen size change */ if (x != logx || y != logy) { wresize(logwin, y, x); ret = true; } return ret; } static void check_winsizes(void) { if (!use_curses) return; if (curses_active_locked()) { int y, x; 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(); } } /* For mandatory printing when mutex is already locked */ void wlog(const char *f, ...) { va_list ap; va_start(ap, f); vw_printw(logwin, f, ap); va_end(ap); } /* Mandatory printing */ void wlogprint(const char *f, ...) { va_list ap; if (curses_active_locked()) { va_start(ap, f); vw_printw(logwin, f, ap); va_end(ap); unlock_curses(); } } #endif #ifdef HAVE_CURSES void log_curses(int prio, const char *f, va_list ap) { bool high_prio; if (opt_quiet && prio != LOG_ERR) return; high_prio = (prio == LOG_WARNING || prio == LOG_ERR); if (curses_active_locked()) { if (!opt_loginput || high_prio) { vw_printw(logwin, f, ap); if (high_prio) { touchwin(logwin); wrefresh(logwin); } } unlock_curses(); } else vprintf(f, ap); } void clear_logwin(void) { if (curses_active_locked()) { wclear(logwin); unlock_curses(); } } #endif /* regenerate the full work->hash value and also return true if it's a block */ bool regeneratehash(const struct work *work) { uint32_t *data32 = (uint32_t *)(work->data); unsigned char swap[128]; uint32_t *swap32 = (uint32_t *)swap; unsigned char hash1[32]; uint32_t *hash32 = (uint32_t *)(work->hash); uint32_t difficulty = 0; uint32_t diffbytes = 0; uint32_t diffvalue = 0; uint32_t diffcmp[8]; int diffshift = 0; int i; for (i = 0; i < 80 / 4; i++) swap32[i] = swab32(data32[i]); sha2(swap, 80, hash1, false); sha2(hash1, 32, (unsigned char *)(work->hash), false); difficulty = swab32(*((uint32_t *)(work->data + 72))); diffbytes = ((difficulty >> 24) & 0xff) - 3; diffvalue = difficulty & 0x00ffffff; diffshift = (diffbytes % 4) * 8; if (diffshift == 0) { diffshift = 32; diffbytes--; } memset(diffcmp, 0, 32); diffcmp[(diffbytes >> 2) + 1] = diffvalue >> (32 - diffshift); diffcmp[diffbytes >> 2] = diffvalue << diffshift; for (i = 7; i >= 0; i--) { if (hash32[i] > diffcmp[i]) return false; if (hash32[i] < diffcmp[i]) return true; } // https://en.bitcoin.it/wiki/Block says: "numerically below" // https://en.bitcoin.it/wiki/Target says: "lower than or equal to" // code in bitcoind 0.3.24 main.cpp CheckWork() says: if (hash > hashTarget) return false; if (hash32[0] == diffcmp[0]) return true; else return false; } static bool submit_upstream_work(const struct work *work, CURL *curl) { char *hexstr = NULL; json_t *val, *res; char s[345], sd[345]; bool rc = false; int thr_id = work->thr_id; struct cgpu_info *cgpu = thr_info[thr_id].cgpu; struct pool *pool = work->pool; bool rolltime; uint32_t *hash32; char hashshow[64+1] = ""; bool isblock; #ifdef __BIG_ENDIAN__ int swapcounter = 0; for (swapcounter = 0; swapcounter < 32; swapcounter++) (((uint32_t*) (work->data))[swapcounter]) = swab32(((uint32_t*) (work->data))[swapcounter]); #endif /* build hex string */ hexstr = bin2hex(work->data, sizeof(work->data)); if (unlikely(!hexstr)) { applog(LOG_ERR, "submit_upstream_work OOM"); goto out_nofree; } /* build JSON-RPC request */ sprintf(s, "{\"method\": \"getwork\", \"params\": [ \"%s\" ], \"id\":1}\r\n", hexstr); sprintf(sd, "{\"method\": \"getwork\", \"params\": [ \"%s\" ], \"id\":1}", hexstr); applog(LOG_DEBUG, "DBG: sending %s submit RPC call: %s", pool->rpc_url, sd); /* issue JSON-RPC request */ val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, s, false, false, &rolltime, pool, true); 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++; applog(LOG_WARNING, "Pool %d communication failure, caching submissions", pool->pool_no); } 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"); if (!QUIET) { #ifndef MIPSEB // This one segfaults on my router for some reason isblock = regeneratehash(work); if (unlikely(isblock)) { pool->solved++; found_blocks++; } hash32 = (uint32_t *)(work->hash); sprintf(hashshow, "%08lx.%08lx%s", (unsigned long)(hash32[6]), (unsigned long)(hash32[5]), isblock ? " BLOCK!" : ""); #endif } /* 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 */ if (json_is_true(res)) { cgpu->accepted++; total_accepted++; pool->accepted++; pool->seq_rejects = 0; cgpu->last_share_pool = pool->pool_no; cgpu->last_share_pool_time = time(NULL); pool->last_share_time = cgpu->last_share_pool_time; applog(LOG_DEBUG, "PROOF OF WORK RESULT: true (yay!!!)"); if (!QUIET) { if (total_pools > 1) applog(LOG_NOTICE, "Accepted %s %s %d pool %d", hashshow, cgpu->api->name, cgpu->device_id, work->pool->pool_no); else applog(LOG_NOTICE, "Accepted %s %s %d", hashshow, cgpu->api->name, cgpu->device_id); } 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(); goto out; } /* 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); pool->enabled = POOL_ENABLED; switch_pools(NULL); } } else { cgpu->rejected++; total_rejected++; pool->rejected++; pool->seq_rejects++; applog(LOG_DEBUG, "PROOF OF WORK RESULT: false (booooo)"); if (!QUIET) { char where[17]; char disposition[36] = "reject"; char reason[32]; if (total_pools > 1) sprintf(where, "pool %d", work->pool->pool_no); else strcpy(where, ""); 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 strcpy(reason, ""); applog(LOG_NOTICE, "Rejected %s %s %d %s%s", hashshow, cgpu->api->name, cgpu->device_id, where, reason); 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 && total_pools > 1) { double utility = total_accepted / ( total_secs ? total_secs : 1 ) * 60; if (pool->seq_rejects > utility * 3) { applog(LOG_WARNING, "Pool %d rejected %d sequential shares, disabling!", pool->pool_no, pool->seq_rejects); pool->enabled = POOL_REJECTING; if (pool == current_pool()) switch_pools(NULL); pool->seq_rejects = 0; } } } cgpu->utility = cgpu->accepted / ( total_secs ? total_secs : 1 ) * 60; if (!opt_realquiet) print_status(thr_id); if (!want_per_device_stats) { char logline[255]; get_statline(logline, cgpu); applog(LOG_INFO, "%s", logline); } json_decref(val); rc = true; out: free(hexstr); out_nofree: return rc; } static const char *rpc_req = "{\"method\": \"getwork\", \"params\": [], \"id\":0}\r\n"; /* Select any active pool in a rotating fashion when loadbalance is chosen */ static inline struct pool *select_pool(bool lagging) { static int rotating_pool = 0; struct pool *pool, *cp; cp = current_pool(); if (pool_strategy != POOL_LOADBALANCE && !lagging) pool = cp; else pool = NULL; while (!pool) { if (++rotating_pool >= total_pools) rotating_pool = 0; pool = pools[rotating_pool]; if ((!pool->idle && pool->enabled == POOL_ENABLED) || pool == cp) break; pool = NULL; } return pool; } 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); } static bool get_upstream_work(struct work *work, CURL *curl) { struct pool *pool = work->pool; json_t *val = NULL; bool rc = false; int retries = 0; char *url; applog(LOG_DEBUG, "DBG: sending %s get RPC call: %s", pool->rpc_url, rpc_req); url = pool->rpc_url; retry: /* A single failure response here might be reported as a dead pool and * there may be temporary denied messages etc. falsely reporting * failure so retry a few times before giving up */ while (!val && retries++ < 3) { val = json_rpc_call(curl, url, pool->rpc_userpass, rpc_req, false, false, &work->rolltime, pool, false); } if (unlikely(!val)) { applog(LOG_DEBUG, "Failed json_rpc_call in get_upstream_work"); goto out; } rc = work_decode(json_object_get(val, "result"), work); if (!rc && retries < 3) goto retry; work->pool = pool; work->longpoll = false; total_getworks++; pool->getwork_requested++; json_decref(val); out: return rc; } 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"); work->id = total_work++; return work; } static void free_work(struct work *work) { free(work); } static void workio_cmd_free(struct workio_cmd *wc) { if (!wc) return; switch (wc->cmd) { case WC_SUBMIT_WORK: free_work(wc->u.work); break; default: /* do nothing */ break; } memset(wc, 0, sizeof(*wc)); /* poison */ free(wc); } #ifdef HAVE_CURSES static void disable_curses(void) { if (curses_active_locked()) { curses_active = false; leaveok(logwin, false); leaveok(statuswin, false); leaveok(mainwin, false); nocbreak(); echo(); delwin(logwin); delwin(statuswin); 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 print_summary(void); static void __kill_work(void) { struct thr_info *thr; int i; applog(LOG_INFO, "Received kill message"); applog(LOG_DEBUG, "Killing off watchpool thread"); /* Kill the watchpool thread */ thr = &thr_info[watchpool_thr_id]; thr_info_cancel(thr); applog(LOG_DEBUG, "Killing off watchdog thread"); /* Kill the watchdog thread */ thr = &thr_info[watchdog_thr_id]; thr_info_cancel(thr); applog(LOG_DEBUG, "Stopping mining threads"); /* Stop the mining threads*/ for (i = 0; i < mining_threads; i++) { thr = &thr_info[i]; thr_info_freeze(thr); thr->pause = true; } sleep(1); applog(LOG_DEBUG, "Killing off mining threads"); /* Kill the mining threads*/ for (i = 0; i < mining_threads; i++) { thr = &thr_info[i]; thr_info_cancel(thr); } applog(LOG_DEBUG, "Killing off stage thread"); /* Stop the others */ thr = &thr_info[stage_thr_id]; thr_info_cancel(thr); applog(LOG_DEBUG, "Killing off API thread"); thr = &thr_info[api_thr_id]; thr_info_cancel(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(void); void app_restart(void) { applog(LOG_WARNING, "Attempting to restart %s", packagename); __kill_work(); clean_up(); #if defined(unix) if (forkpid > 0) { kill(forkpid, SIGTERM); forkpid = 0; } #endif execv(initial_args[0], 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(); } /* 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); ce->curl = curl_easy_init(); if (unlikely(!ce->curl || !ce)) quit(1, "Failed to init in recruit_curl"); list_add(&ce->node, &pool->curlring); pool->curls++; applog(LOG_DEBUG, "Recruited curl %d for pool %d", pool->curls, pool->pool_no); } /* 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 */ static struct curl_ent *pop_curl_entry(struct pool *pool) { struct curl_ent *ce; mutex_lock(&pool->pool_lock); if (!pool->curls) recruit_curl(pool); else if (list_empty(&pool->curlring)) { if ((pool->submit_fail || opt_delaynet) && pool->curls > 4) pthread_cond_wait(&pool->cr_cond, &pool->pool_lock); else recruit_curl(pool); } ce = list_entry(pool->curlring.next, struct curl_ent, node); list_del(&ce->node); mutex_unlock(&pool->pool_lock); 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); gettimeofday(&ce->tv, NULL); pthread_cond_signal(&pool->cr_cond); mutex_unlock(&pool->pool_lock); } /* ce and pool may appear uninitialised at push_curl_entry, but they're always * set when we don't have opt_benchmark enabled */ static void *get_work_thread(void *userdata) { struct workio_cmd *wc = (struct workio_cmd *)userdata; struct curl_ent * uninitialised_var(ce); struct pool * uninitialised_var(pool); struct work *ret_work = make_work(); int failures = 0; pthread_detach(pthread_self()); applog(LOG_DEBUG, "Creating extra get work thread"); if (wc->thr) ret_work->thr = wc->thr; else ret_work->thr = NULL; if (opt_benchmark) get_benchmark_work(ret_work); else { pool = ret_work->pool = select_pool(wc->lagging); ce = pop_curl_entry(pool); /* obtain new work from bitcoin via JSON-RPC */ while (!get_upstream_work(ret_work, ce->curl)) { if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) { applog(LOG_ERR, "json_rpc_call failed, terminating workio thread"); free_work(ret_work); kill_work(); goto out; } /* pause, then restart work-request loop */ applog(LOG_DEBUG, "json_rpc_call failed on get work, retry after %d seconds", fail_pause); sleep(fail_pause); fail_pause += opt_fail_pause; } fail_pause = opt_fail_pause; } applog(LOG_DEBUG, "Pushing work to requesting thread"); /* send work to requesting thread */ if (unlikely(!tq_push(thr_info[stage_thr_id].q, ret_work))) { applog(LOG_ERR, "Failed to tq_push work in workio_get_work"); kill_work(); free_work(ret_work); } out: workio_cmd_free(wc); if (!opt_benchmark) push_curl_entry(ce, pool); return NULL; } /* As per the submit work system, we try to reuse the existing curl handles, * but start recruiting extra connections if we start accumulating queued * requests */ static bool workio_get_work(struct workio_cmd *wc) { pthread_t get_thread; if (unlikely(pthread_create(&get_thread, NULL, get_work_thread, (void *)wc))) { applog(LOG_ERR, "Failed to create get_work_thread"); return false; } return true; } static bool stale_work(struct work *work, bool share) { struct timeval now; struct pool *pool; if (opt_benchmark) return false; gettimeofday(&now, NULL); if (share) { if ((now.tv_sec - work->tv_staged.tv_sec) >= opt_expiry) return true; } else if ((now.tv_sec - work->tv_staged.tv_sec) >= opt_scantime) return true; if (work->work_block != work_block) return true; pool = work->pool; if (opt_fail_only && !share && pool != current_pool() && pool->enabled != POOL_REJECTING) return true; return false; } static void *submit_work_thread(void *userdata) { struct workio_cmd *wc = (struct workio_cmd *)userdata; struct work *work = wc->u.work; struct pool *pool = work->pool; struct curl_ent *ce; int failures = 0; pthread_detach(pthread_self()); applog(LOG_DEBUG, "Creating extra submit work thread"); if (stale_work(work, true)) { if (opt_submit_stale) applog(LOG_NOTICE, "Stale share detected, submitting as user requested"); else if (pool->submit_old) applog(LOG_NOTICE, "Stale share detected, submitting as pool requested"); else { applog(LOG_NOTICE, "Stale share detected, discarding"); sharelog("discard", work); total_stale++; pool->stale_shares++; goto out; } work->stale = true; } ce = pop_curl_entry(pool); /* submit solution to bitcoin via JSON-RPC */ while (!submit_upstream_work(work, ce->curl)) { if (stale_work(work, true)) { applog(LOG_NOTICE, "Share became stale while retrying submit, discarding"); total_stale++; pool->stale_shares++; break; } if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) { applog(LOG_ERR, "Failed %d retries ...terminating workio thread", opt_retries); kill_work(); break; } /* pause, then restart work-request loop */ applog(LOG_INFO, "json_rpc_call failed on submit_work, retry after %d seconds", fail_pause); sleep(fail_pause); fail_pause += opt_fail_pause; } fail_pause = opt_fail_pause; push_curl_entry(ce, pool); out: workio_cmd_free(wc); return NULL; } /* We try to reuse curl handles as much as possible, but if there is already * work queued to be submitted, we start generating extra handles to submit * the shares to avoid ever increasing backlogs. This allows us to scale to * any size hardware */ static bool workio_submit_work(struct workio_cmd *wc) { pthread_t submit_thread; if (unlikely(pthread_create(&submit_thread, NULL, submit_work_thread, (void *)wc))) { applog(LOG_ERR, "Failed to create submit_work_thread"); return false; } return true; } /* 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; } void switch_pools(struct pool *selected) { struct pool *pool, *last_pool; int i, pool_no; mutex_lock(&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) { /* Both of these set to the master pool */ case POOL_FAILOVER: case POOL_LOADBALANCE: for (i = 0; i < total_pools; i++) { pool = priority_pool(i); if (!pool->idle && pool->enabled == POOL_ENABLED) { pool_no = pool->pool_no; break; } } break; /* Both of these simply increment and cycle */ case POOL_ROUNDROBIN: case POOL_ROTATE: if (selected) { pool_no = selected->pool_no; break; } pool_no++; if (pool_no >= total_pools) pool_no = 0; break; default: break; } currentpool = pools[pool_no]; pool = currentpool; mutex_unlock(&control_lock); if (pool != last_pool) applog(LOG_WARNING, "Switching to %s", pool->rpc_url); /* Reset the queued amount to allow more to be queued for the new pool */ mutex_lock(&qd_lock); total_queued = 0; mutex_unlock(&qd_lock); mutex_lock(&lp_lock); pthread_cond_broadcast(&lp_cond); mutex_unlock(&lp_lock); } static void discard_work(struct work *work) { if (!work->clone && !work->rolls && !work->mined) { if (work->pool) work->pool->discarded_work++; total_discarded++; applog(LOG_DEBUG, "Discarded work"); } else applog(LOG_DEBUG, "Discarded cloned or rolled work"); free_work(work); } /* This is overkill, but at least we'll know accurately how much work is * queued to prevent ever being left without work */ static void inc_queued(void) { mutex_lock(&qd_lock); total_queued++; mutex_unlock(&qd_lock); } static void dec_queued(void) { mutex_lock(&qd_lock); if (total_queued > 0) total_queued--; mutex_unlock(&qd_lock); } static int requests_queued(void) { int ret; mutex_lock(&qd_lock); ret = total_queued; mutex_unlock(&qd_lock); return ret; } static int discard_stale(void) { struct work *work, *tmp; int i, stale = 0; mutex_lock(stgd_lock); HASH_ITER(hh, staged_work, work, tmp) { if (stale_work(work, false)) { HASH_DEL(staged_work, work); if (work->clone || work->longpoll) --staged_extras; discard_work(work); stale++; } } mutex_unlock(stgd_lock); applog(LOG_DEBUG, "Discarded %d stales that didn't match current hash", stale); /* Dec queued outside the loop to not have recursive locks */ for (i = 0; i < stale; i++) dec_queued(); return stale; } static bool queue_request(struct thr_info *thr, bool needed); static void restart_threads(void) { int i, stale; /* Discard staged work that is now stale */ stale = discard_stale(); for (i = 0; i < stale; i++) queue_request(NULL, true); for (i = 0; i < mining_threads; i++) work_restart[i].restart = 1; } static void set_curblock(char *hexstr, unsigned char *hash) { unsigned char hash_swap[32]; struct timeval tv_now; char *old_hash; strcpy(current_block, hexstr); gettimeofday(&tv_now, NULL); get_timestamp(blocktime, &tv_now); swap256(hash_swap, hash); /* Don't free current_hash directly to avoid dereferencing when read * elsewhere */ mutex_lock(&ch_lock); old_hash = current_hash; current_hash = bin2hex(hash_swap, 16); free(old_hash); mutex_unlock(&ch_lock); if (unlikely(!current_hash)) quit (1, "set_curblock OOM"); applog(LOG_INFO, "New block: %s...", current_hash); } /* 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, 18); bool ret; if (unlikely(!hexstr)) { applog(LOG_ERR, "from_existing_block OOM"); return true; } ret = block_exists(hexstr); free(hexstr); return ret; } static void test_work_current(struct work *work) { char *hexstr; if (opt_benchmark) return; hexstr = bin2hex(work->data, 18); if (unlikely(!hexstr)) { applog(LOG_ERR, "stage_thread OOM"); return; } /* 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); if (unlikely(!s)) quit (1, "test_work_current OOM"); strcpy(s->hash, hexstr); wr_lock(&blk_lock); HASH_ADD_STR(blocks, hash, s); wr_unlock(&blk_lock); set_curblock(hexstr, work->data); if (unlikely(++new_blocks == 1)) goto out_free; work_block++; if (work->longpoll) { applog(LOG_NOTICE, "LONGPOLL from pool %d detected new block", work->pool->pool_no); work->longpoll = false; } 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 (work->longpoll) { work->longpoll = false; if (work->pool == current_pool()) { applog(LOG_NOTICE, "LONGPOLL from pool %d requested work restart", work->pool->pool_no); work_block++; restart_threads(); } } out_free: free(hexstr); } static int tv_sort(struct work *worka, struct work *workb) { return worka->tv_staged.tv_sec - workb->tv_staged.tv_sec; } static bool hash_push(struct work *work) { bool rc = true; mutex_lock(stgd_lock); if (likely(!getq->frozen)) { HASH_ADD_INT(staged_work, id, work); HASH_SORT(staged_work, tv_sort); if (work->clone || work->longpoll) ++staged_extras; } else rc = false; pthread_cond_signal(&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); 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 bool stage_work(struct work *work) { applog(LOG_DEBUG, "Pushing work to stage thread"); if (unlikely(!tq_push(thr_info[stage_thr_id].q, work))) { applog(LOG_ERR, "Could not tq_push work in stage_work"); return false; } return true; } #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 int active_pools(void) { int ret = 0; int i; for (i = 0; i < total_pools; i++) { if ((pools[i])->enabled == POOL_ENABLED) ret++; } return ret; } #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" : ""); 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); 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; wlog(" Efficiency (accepted / queued): %.0f%%\n", efficiency); 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--; } void write_config(FILE *fcfg) { int i; /* Write pool values */ fputs("{\n\"pools\" : [", fcfg); for(i = 0; i < total_pools; i++) { fprintf(fcfg, "%s\n\t{\n\t\t\"url\" : \"%s\",", i > 0 ? "," : "", pools[i]->rpc_url); fprintf(fcfg, "\n\t\t\"user\" : \"%s\",", pools[i]->rpc_user); fprintf(fcfg, "\n\t\t\"pass\" : \"%s\"\n\t}", pools[i]->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); #ifdef HAVE_OPENCL 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_POCLBM: fprintf(fcfg, "poclbm"); break; case KL_PHATK: fprintf(fcfg, "phatk"); break; case KL_DIAKGCN: fprintf(fcfg, "diakgcn"); break; case KL_DIABLO: fprintf(fcfg, "diablo"); break; } } #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 #endif fputs("\"", fcfg); } #ifdef HAVE_ADL if (opt_reorder) fprintf(fcfg, ",\n\"gpu-reorder\" : true"); #endif #ifdef WANT_CPUMINE fprintf(fcfg, ",\n\"algo\" : \"%s\"", algo_names[opt_algo]); #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_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) if (opt_stderr_cmd && *opt_stderr_cmd) fprintf(fcfg, ",\n\"monitor\" : \"%s\"", 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\"", 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\"", opt_socks_proxy); for(i = 0; i < nDevs; i++) if (gpus[i].deven == DEV_DISABLED) break; if (i < nDevs) for (i = 0; i < nDevs; i++) if (gpus[i].deven != DEV_DISABLED) fprintf(fcfg, ",\n\"device\" : \"%d\"", i); if (opt_api_allow) fprintf(fcfg, ",\n\"api-allow\" : \"%s\"", opt_api_allow); if (strcmp(opt_api_description, PACKAGE_STRING) != 0) fprintf(fcfg, ",\n\"api-description\" : \"%s\"", opt_api_description); if (opt_icarus_timing) fprintf(fcfg, ",\n\"icarus-timing\" : \"%s\"", opt_icarus_timing); fputs("\n}", fcfg); } #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 Priority %d: %s User:%s\n", pool->idle? "Dead" : "Alive", 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]); if (pool_strategy == POOL_ROTATE) wlogprint("Set to rotate every %d minutes\n", opt_rotate_period); wlogprint("[A]dd pool [R]emove pool [D]isable pool [E]nable pool\n"); wlogprint("[C]hange management strategy [S]witch pool [I]nformation\n"); wlogprint("Or press any other key to continue\n"); 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; } pool->enabled = POOL_DISABLED; 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]; pool->enabled = POOL_ENABLED; switch_pools(pool); goto updated; } else if (!strncasecmp(&input, "d", 1)) { if (active_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]; pool->enabled = POOL_DISABLED; 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]; pool->enabled = POOL_ENABLED; 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]); 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 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[L]og interval:%d\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_log_interval); wlogprint("Select an option or any other key to return\n"); 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; want_per_device_stats = false; wlogprint("Output mode reset to normal\n"); 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, "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 clear_logwin(); immedok(logwin, false); opt_loginput = false; } #endif void default_save_file(char *filename) { #if defined(unix) 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[R]etries: %d\n" "[P]ause: %d\n[W]rite config file\n[C]gminer restart\n", opt_queue, opt_scantime, opt_expiry, opt_retries, opt_fail_pause); wlogprint("Select an option or any other key to return\n"); 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, "r", 1)) { selected = curses_int("Retries before failing (-1 infinite)"); if (selected < -1 || selected > 9999) { wlogprint("Invalid selection\n"); goto retry; } opt_retries = selected; goto retry; } else if (!strncasecmp(&input, "p", 1)) { selected = curses_int("Seconds to pause before network retries"); if (selected < 1 || selected > 9999) { wlogprint("Invalid selection\n"); goto retry; } opt_fail_pause = selected; goto retry; } else if (!strncasecmp(&input, "w", 1)) { FILE *fcfg; char *str, filename[PATH_MAX], prompt[PATH_MAX + 50]; default_save_file(filename); sprintf(prompt, "Config filename to write (Enter for default) [%s]", filename); str = curses_input(prompt); if (strcmp(str, "-1")) { struct stat statbuf; strcpy(filename, str); if (!stat(filename, &statbuf)) { wlogprint("File exists, overwrite?\n"); input = getch(); if (strncasecmp(&input, "y", 1)) goto retry; } } 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); 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 (have_opencl && !strncasecmp(&input, "g", 1)) manage_gpu(); if (opt_realquiet) { disable_curses(); break; } } return NULL; } #endif /* This thread should not be shut down unless a problem occurs */ static void *workio_thread(void *userdata) { struct thr_info *mythr = userdata; bool ok = true; pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); while (ok) { struct workio_cmd *wc; applog(LOG_DEBUG, "Popping work to work thread"); /* wait for workio_cmd sent to us, on our queue */ wc = tq_pop(mythr->q, NULL); if (unlikely(!wc)) { applog(LOG_ERR, "Failed to tq_pop in workio_thread"); ok = false; break; } /* process workio_cmd */ switch (wc->cmd) { case WC_GET_WORK: ok = workio_get_work(wc); break; case WC_SUBMIT_WORK: ok = workio_submit_work(wc); break; default: ok = false; break; } } tq_freeze(mythr->q); return NULL; } static void *api_thread(void *userdata) { struct thr_info *mythr = userdata; pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); api(api_thr_id); PTH(mythr) = 0L; return NULL; } void thread_reportin(struct thr_info *thr) { gettimeofday(&thr->last, NULL); thr->cgpu->status = LIFE_WELL; thr->getwork = false; thr->cgpu->device_last_well = time(NULL); } static inline void thread_reportout(struct thr_info *thr) { thr->getwork = true; } static void hashmeter(int thr_id, struct timeval *diff, unsigned long long hashes_done) { struct timeval temp_tv_end, total_diff; double secs; double local_secs; double utility, efficiency = 0.0; static double local_mhashes_done = 0; static double rolling = 0; double local_mhashes = (double)hashes_done / 1000000.0; bool showlog = false; /* Update the last time this thread reported in */ if (thr_id >= 0) { gettimeofday(&thr_info[thr_id].last, NULL); thr_info[thr_id].cgpu->device_last_well = time(NULL); } /* Don't bother calculating anything if we're not displaying it */ if (opt_realquiet || !opt_log_interval) return; 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 thr_info *thr = &thr_info[thr_id]; struct cgpu_info *cgpu = thr_info[thr_id].cgpu; double thread_rolling = 0.0; int i; applog(LOG_DEBUG, "[thread %d: %llu hashes, %.0f khash/sec]", thr_id, hashes_done, hashes_done / secs); /* Rolling average for each thread and each device */ decay_time(&thr->rolling, local_mhashes / secs); for (i = 0; i < mining_threads; i++) { struct thr_info *th = &thr_info[i]; if (th->cgpu == cgpu) thread_rolling += th->rolling; } mutex_lock(&hash_lock); decay_time(&cgpu->rolling, thread_rolling); 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; gettimeofday(&now, NULL); timeval_subtract(&elapsed, &now, &thr->cgpu->last_message_tv); if (opt_log_interval <= elapsed.tv_sec) { struct cgpu_info *cgpu = thr->cgpu; char logline[255]; cgpu->last_message_tv = now; get_statline(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); gettimeofday(&temp_tv_end, NULL); timeval_subtract(&total_diff, &temp_tv_end, &total_tv_end); total_mhashes_done += local_mhashes; local_mhashes_done += local_mhashes; if (total_diff.tv_sec < opt_log_interval) /* Only update the total every opt_log_interval seconds */ goto out_unlock; showlog = true; gettimeofday(&total_tv_end, NULL); local_secs = (double)total_diff.tv_sec + ((double)total_diff.tv_usec / 1000000.0); decay_time(&rolling, local_mhashes_done / local_secs); timeval_subtract(&total_diff, &total_tv_end, &total_tv_start); total_secs = (double)total_diff.tv_sec + ((double)total_diff.tv_usec / 1000000.0); utility = total_accepted / ( total_secs ? total_secs : 1 ) * 60; efficiency = total_getworks ? total_accepted * 100.0 / total_getworks : 0.0; sprintf(statusline, "%s(%ds):%.1f (avg):%.1f Mh/s | Q:%d A:%d R:%d HW:%d E:%.0f%% U:%.1f/m", want_per_device_stats ? "ALL " : "", opt_log_interval, rolling, total_mhashes_done / total_secs, total_getworks, total_accepted, total_rejected, hw_errors, efficiency, utility); 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 *longpoll_thread(void *userdata); static bool pool_active(struct pool *pool, bool pinging) { bool ret = false; json_t *val; CURL *curl; bool rolltime; curl = curl_easy_init(); if (unlikely(!curl)) { applog(LOG_ERR, "CURL initialisation failed"); return false; } applog(LOG_INFO, "Testing pool %s", pool->rpc_url); val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, rpc_req, true, false, &rolltime, pool, false); if (val) { struct work *work = make_work(); bool rc; rc = work_decode(json_object_get(val, "result"), work); 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; applog(LOG_DEBUG, "Pushing pooltest work to base pool"); tq_push(thr_info[stage_thr_id].q, work); total_getworks++; pool->getwork_requested++; inc_queued(); ret = true; gettimeofday(&pool->tv_idle, NULL); } 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; 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; pool->lp_url = malloc(strlen(pool->rpc_url) + strlen(copy_start) + 2); if (!pool->lp_url) { applog(LOG_ERR, "Malloc failure in pool_active"); return false; } sprintf(pool->lp_url, "%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 { 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_died(struct pool *pool) { if (!pool_tset(pool, &pool->idle)) { applog(LOG_WARNING, "Pool %d %s not responding!", pool->pool_no, pool->rpc_url); gettimeofday(&pool->tv_idle, NULL); switch_pools(NULL); } } static inline int cp_prio(void) { int prio; mutex_lock(&control_lock); prio = currentpool->prio; mutex_unlock(&control_lock); return prio; } static void pool_resus(struct pool *pool) { applog(LOG_WARNING, "Pool %d %s alive", pool->pool_no, pool->rpc_url); if (pool->prio < cp_prio() && pool_strategy == POOL_FAILOVER) switch_pools(NULL); } static long requested_tv_sec; static bool queue_request(struct thr_info *thr, bool needed) { int rq = requests_queued(); struct workio_cmd *wc; struct timeval now; gettimeofday(&now, NULL); /* Space out retrieval of extra work according to the number of mining * threads */ if (rq >= mining_threads + staged_extras && (now.tv_sec - requested_tv_sec) < opt_scantime / (mining_threads + 1)) return true; /* fill out work request message */ wc = calloc(1, sizeof(*wc)); if (unlikely(!wc)) { applog(LOG_ERR, "Failed to calloc wc in queue_request"); return false; } wc->cmd = WC_GET_WORK; if (thr) wc->thr = thr; else wc->thr = NULL; /* If we're queueing work faster than we can stage it, consider the * system lagging and allow work to be gathered from another pool if * possible */ if (rq && needed && !requests_staged() && !opt_fail_only) wc->lagging = true; applog(LOG_DEBUG, "Queueing getwork request to work thread"); /* send work request to workio thread */ if (unlikely(!tq_push(thr_info[work_thr_id].q, wc))) { applog(LOG_ERR, "Failed to tq_push in queue_request"); workio_cmd_free(wc); return false; } requested_tv_sec = now.tv_sec; inc_queued(); return true; } static struct work *hash_pop(const struct timespec *abstime) { struct work *work = NULL; int rc = 0; mutex_lock(stgd_lock); while (!getq->frozen && !HASH_COUNT(staged_work) && !rc) rc = pthread_cond_timedwait(&getq->cond, stgd_lock, abstime); if (HASH_COUNT(staged_work)) { work = staged_work; HASH_DEL(staged_work, work); if (work->clone || work->longpoll) --staged_extras; } mutex_unlock(stgd_lock); return work; } static inline bool should_roll(struct work *work) { if (work->pool == current_pool() || pool_strategy == POOL_LOADBALANCE) return true; return false; } static inline bool can_roll(struct work *work) { return (work->pool && !stale_work(work, false) && work->rolltime && work->rolls < 11 && !work->clone); } 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 bool reuse_work(struct work *work) { if (can_roll(work) && should_roll(work)) { roll_work(work); return true; } return false; } static bool get_work(struct work *work, bool requested, struct thr_info *thr, const int thr_id) { bool newreq = false, ret = false; struct timespec abstime = {0, 0}; struct timeval now; struct work *work_heap; struct pool *pool; int failures = 0; /* Tell the watchdog thread this thread is waiting on getwork and * should not be restarted */ thread_reportout(thr); if (opt_benchmark) { get_benchmark_work(work); thread_reportin(thr); return true; } retry: pool = current_pool(); if (!requested || requests_queued() < opt_queue) { if (unlikely(!queue_request(thr, true))) { applog(LOG_WARNING, "Failed to queue_request in get_work"); goto out; } newreq = true; } if (reuse_work(work)) { ret = true; goto out; } if (requested && !newreq && !requests_staged() && requests_queued() >= mining_threads && !pool_tset(pool, &pool->lagging)) { applog(LOG_WARNING, "Pool %d not providing work fast enough", pool->pool_no); pool->getfail_occasions++; total_go++; } newreq = requested = false; gettimeofday(&now, NULL); abstime.tv_sec = now.tv_sec + 60; applog(LOG_DEBUG, "Popping work from get queue to get work"); /* wait for 1st response, or get cached response */ work_heap = hash_pop(&abstime); if (unlikely(!work_heap)) { /* Attempt to switch pools if this one times out */ pool_died(pool); goto retry; } if (stale_work(work_heap, false)) { dec_queued(); discard_work(work_heap); goto retry; } pool = work_heap->pool; /* If we make it here we have succeeded in getting fresh work */ if (!work_heap->mined) { pool_tclear(pool, &pool->lagging); if (pool_tclear(pool, &pool->idle)) pool_resus(pool); } memcpy(work, work_heap, sizeof(*work)); /* Hand out a clone if we can roll this work item */ if (reuse_work(work_heap)) { applog(LOG_DEBUG, "Pushing divided work to get queue head"); stage_work(work_heap); work->clone = true; } else { dec_queued(); free_work(work_heap); } ret = true; out: if (unlikely(ret == false)) { if ((opt_retries >= 0) && (++failures > opt_retries)) { applog(LOG_ERR, "Failed %d times to get_work"); return ret; } applog(LOG_DEBUG, "Retrying after %d seconds", fail_pause); sleep(fail_pause); fail_pause += opt_fail_pause; goto retry; } fail_pause = opt_fail_pause; work->thr_id = thr_id; thread_reportin(thr); if (ret) work->mined = true; return ret; } bool submit_work_sync(struct thr_info *thr, const struct work *work_in) { struct workio_cmd *wc; /* fill out work request message */ wc = calloc(1, sizeof(*wc)); if (unlikely(!wc)) { applog(LOG_ERR, "Failed to calloc wc in submit_work_sync"); return false; } wc->u.work = make_work(); wc->cmd = WC_SUBMIT_WORK; wc->thr = thr; memcpy(wc->u.work, work_in, sizeof(*work_in)); wc->u.work->share_found_time = time(NULL); applog(LOG_DEBUG, "Pushing submit work to work thread"); /* send solution to workio thread */ if (unlikely(!tq_push(thr_info[work_thr_id].q, wc))) { applog(LOG_ERR, "Failed to tq_push work in submit_work_sync"); goto err_out; } return true; err_out: workio_cmd_free(wc); return false; } bool hashtest(const struct work *work) { uint32_t *data32 = (uint32_t *)(work->data); unsigned char swap[128]; uint32_t *swap32 = (uint32_t *)swap; unsigned char hash1[32]; unsigned char hash2[32]; uint32_t *hash2_32 = (uint32_t *)hash2; int i; for (i = 0; i < 80 / 4; i++) swap32[i] = swab32(data32[i]); sha2(swap, 80, hash1, false); sha2(hash1, 32, hash2, false); for (i = 0; i < 32 / 4; i++) hash2_32[i] = swab32(hash2_32[i]); memcpy((void*)work->hash, hash2, 32); return fulltest(work->hash, work->target); } bool submit_nonce(struct thr_info *thr, struct work *work, uint32_t nonce) { work->data[64 + 12 + 0] = (nonce >> 0) & 0xff; work->data[64 + 12 + 1] = (nonce >> 8) & 0xff; work->data[64 + 12 + 2] = (nonce >> 16) & 0xff; work->data[64 + 12 + 3] = (nonce >> 24) & 0xff; /* Do one last check before attempting to submit the work */ if (!hashtest(work)) { applog(LOG_INFO, "Share below target"); return true; } return submit_work_sync(thr, work); } 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; } void *miner_thread(void *userdata) { struct thr_info *mythr = userdata; const int thr_id = mythr->id; struct cgpu_info *cgpu = mythr->cgpu; struct device_api *api = cgpu->api; struct cgminer_stats *dev_stats = &(cgpu->cgminer_stats); struct cgminer_stats *pool_stats; struct timeval getwork_start; /* Try to cycle approximately 5 times before each log update */ const unsigned long def_cycle = opt_log_interval / 5 ? : 1; long cycle; struct timeval tv_start, tv_end, tv_workstart, tv_lastupdate; struct timeval diff, sdiff, wdiff; uint32_t max_nonce = api->can_limit_work ? api->can_limit_work(mythr) : 0xffffffff; unsigned long long hashes_done = 0; unsigned long long hashes; struct work *work = make_work(); unsigned const int request_interval = opt_scantime * 2 / 3 ? : 1; unsigned const long request_nonce = MAXTHREADS / 3 * 2; bool requested = false; pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); gettimeofday(&getwork_start, NULL); if (api->thread_init && !api->thread_init(mythr)) { cgpu->device_last_not_well = time(NULL); cgpu->device_not_well_reason = REASON_THREAD_FAIL_INIT; cgpu->thread_fail_init_count++; goto out; } thread_reportout(mythr); applog(LOG_DEBUG, "Popping ping in miner thread"); tq_pop(mythr->q, NULL); /* Wait for a ping to start */ sdiff.tv_sec = sdiff.tv_usec = 0; gettimeofday(&tv_lastupdate, NULL); while (1) { work_restart[thr_id].restart = 0; if (api->free_work && likely(work->pool)) api->free_work(mythr, work); if (unlikely(!get_work(work, requested, mythr, thr_id))) { applog(LOG_ERR, "work retrieval failed, exiting " "mining thread %d", thr_id); break; } requested = false; cycle = (can_roll(work) && should_roll(work)) ? 1 : def_cycle; gettimeofday(&tv_workstart, NULL); work->blk.nonce = 0; cgpu->max_hashes = 0; if (api->prepare_work && !api->prepare_work(mythr, work)) { applog(LOG_ERR, "work prepare failed, exiting " "mining thread %d", thr_id); break; } do { gettimeofday(&tv_start, NULL); timersub(&tv_start, &getwork_start, &getwork_start); timeradd(&getwork_start, &(dev_stats->getwork_wait), &(dev_stats->getwork_wait)); if (timercmp(&getwork_start, &(dev_stats->getwork_wait_max), >)) { dev_stats->getwork_wait_max.tv_sec = getwork_start.tv_sec; dev_stats->getwork_wait_max.tv_usec = getwork_start.tv_usec; } if (timercmp(&getwork_start, &(dev_stats->getwork_wait_min), <)) { dev_stats->getwork_wait_min.tv_sec = getwork_start.tv_sec; dev_stats->getwork_wait_min.tv_usec = getwork_start.tv_usec; } dev_stats->getwork_calls++; pool_stats = &(work->pool->cgminer_stats); timeradd(&getwork_start, &(pool_stats->getwork_wait), &(pool_stats->getwork_wait)); if (timercmp(&getwork_start, &(pool_stats->getwork_wait_max), >)) { pool_stats->getwork_wait_max.tv_sec = getwork_start.tv_sec; pool_stats->getwork_wait_max.tv_usec = getwork_start.tv_usec; } if (timercmp(&getwork_start, &(pool_stats->getwork_wait_min), <)) { pool_stats->getwork_wait_min.tv_sec = getwork_start.tv_sec; pool_stats->getwork_wait_min.tv_usec = getwork_start.tv_usec; } pool_stats->getwork_calls++; hashes = api->scanhash(mythr, work, work->blk.nonce + max_nonce); gettimeofday(&getwork_start, NULL); if (unlikely(work_restart[thr_id].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 (mythr->device_thread) { struct timespec rgtp; rgtp.tv_sec = 0; rgtp.tv_nsec = 250 * mythr->device_thread * 1000000; nanosleep(&rgtp, NULL); } break; } if (unlikely(!hashes)) { applog(LOG_ERR, "%s %d failure, disabling!", api->name, cgpu->device_id); cgpu->deven = DEV_DISABLED; cgpu->device_last_not_well = time(NULL); cgpu->device_not_well_reason = REASON_THREAD_ZERO_HASH; cgpu->thread_zero_hash_count++; goto disabled; } hashes_done += hashes; if (hashes > cgpu->max_hashes) cgpu->max_hashes = hashes; gettimeofday(&tv_end, NULL); timeval_subtract(&diff, &tv_end, &tv_start); sdiff.tv_sec += diff.tv_sec; sdiff.tv_usec += diff.tv_usec; if (sdiff.tv_usec > 1000000) { ++sdiff.tv_sec; sdiff.tv_usec -= 1000000; } timeval_subtract(&wdiff, &tv_end, &tv_workstart); if (!requested) { if (wdiff.tv_sec > request_interval || work->blk.nonce > request_nonce) { thread_reportout(mythr); if (unlikely(!queue_request(mythr, false))) { applog(LOG_ERR, "Failed to queue_request in miner_thread %d", thr_id); cgpu->device_last_not_well = time(NULL); cgpu->device_not_well_reason = REASON_THREAD_FAIL_QUEUE; cgpu->thread_fail_queue_count++; goto out; } thread_reportin(mythr); requested = true; } } if (unlikely(sdiff.tv_sec < cycle)) { if (likely(!api->can_limit_work || max_nonce == 0xffffffff)) continue; { int 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) && api->can_limit_work) { max_nonce = max_nonce * cycle / sdiff.tv_sec; } else if (unlikely(sdiff.tv_usec > 100000) && api->can_limit_work) { max_nonce = max_nonce * 0x400 / (((cycle * 1000000) + sdiff.tv_usec) / (cycle * 1000000 / 0x400)); } timeval_subtract(&diff, &tv_end, &tv_lastupdate); if (diff.tv_sec >= opt_log_interval) { hashmeter(thr_id, &diff, hashes_done); hashes_done = 0; tv_lastupdate = tv_end; } if (unlikely(mythr->pause || cgpu->deven == DEV_DISABLED || cgpu->deven == DEV_RECOVER)) { applog(LOG_WARNING, "Thread %d being disabled", thr_id); disabled: mythr->rolling = mythr->cgpu->rolling = 0; applog(LOG_DEBUG, "Popping wakeup ping in miner thread"); thread_reportout(mythr); tq_pop(mythr->q, NULL); /* Ignore ping that's popped */ thread_reportin(mythr); applog(LOG_WARNING, "Thread %d being re-enabled", thr_id); } sdiff.tv_sec = sdiff.tv_usec = 0; } while (!abandon_work(work, &wdiff, cgpu->max_hashes)); } out: if (api->thread_shutdown) api->thread_shutdown(mythr); thread_reportin(mythr); applog(LOG_ERR, "Thread %d failure, exiting", thr_id); tq_freeze(mythr->q); return NULL; } enum { STAT_SLEEP_INTERVAL = 1, STAT_CTR_INTERVAL = 10000000, FAILURE_INTERVAL = 30, }; /* Stage another work item from the work returned in a longpoll */ static void convert_to_work(json_t *val, bool rolltime, struct pool *pool) { struct work *work, *work_clone; bool rc; work = make_work(); rc = work_decode(json_object_get(val, "result"), work); if (unlikely(!rc)) { applog(LOG_ERR, "Could not convert longpoll data to work"); free_work(work); return; } work->pool = pool; work->rolltime = rolltime; work->longpoll = true; /* 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 = make_work(); memcpy(work_clone, work, sizeof(struct work)); while (reuse_work(work)) { work_clone->clone = true; work_clone->longpoll = false; applog(LOG_DEBUG, "Pushing rolled converted work to stage thread"); if (unlikely(!stage_work(work_clone))) break; work_clone = make_work(); memcpy(work_clone, work, sizeof(struct work)); } free_work(work_clone); applog(LOG_DEBUG, "Pushing converted work to stage thread"); if (unlikely(!stage_work(work))) free_work(work); else 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) return cp; for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; if (pool->hdr_path) return pool; } return NULL; } /* 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) { if (pool->enabled == POOL_REJECTING) return; while (pool != current_pool()) { mutex_lock(&lp_lock); pthread_cond_wait(&lp_cond, &lp_lock); mutex_unlock(&lp_lock); } } 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 pool *pool = NULL; struct timeval start, end; CURL *curl = NULL; int failures = 0; bool rolltime; curl = curl_easy_init(); if (unlikely(!curl)) { applog(LOG_ERR, "CURL initialisation failed"); goto out; } retry_pool: pool = select_longpoll_pool(cp); if (!pool) { applog(LOG_WARNING, "No suitable long-poll found for pool %s", cp->rpc_url); while (!pool) { sleep(60); pool = select_longpoll_pool(cp); } } /* Any longpoll from any pool is enough for this to be true */ have_longpoll = true; wait_lpcurrent(cp); if (cp == pool) applog(LOG_WARNING, "Long-polling activated for %s", pool->lp_url); else applog(LOG_WARNING, "Long-polling activated for pool %s via %s", cp->rpc_url, pool->lp_url); while (42) { json_t *val, *soval; wait_lpcurrent(cp); gettimeofday(&start, NULL); /* 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, pool->lp_url, pool->rpc_userpass, rpc_req, false, true, &rolltime, pool, false); 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); 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. */ gettimeofday(&end, NULL); if (end.tv_sec - start.tv_sec > 30) continue; if (opt_retries == -1 || failures++ < opt_retries) { if (failures == 1) applog(LOG_WARNING, "longpoll failed for %s, retrying every 30s", pool->lp_url); sleep(30); } else { applog(LOG_ERR, "longpoll failed for %s, ending thread", pool->lp_url); goto out; } } if (pool != cp) { pool = select_longpoll_pool(cp); if (unlikely(!pool)) goto retry_pool; } if (unlikely(pool->removed)) break; } out: if (curl) curl_easy_cleanup(curl); return NULL; } void reinit_device(struct cgpu_info *cgpu) { if (cgpu->api->reinit_device) cgpu->api->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; gettimeofday(&now, NULL); mutex_lock(&pool->pool_lock); list_for_each_entry_safe(ent, iter, &pool->curlring, node) { if (now.tv_sec - ent->tv.tv_sec > 60) { applog(LOG_DEBUG, "Reaped curl %d from pool %d", pool->curls, pool->pool_no); pool->curls--; list_del(&ent->node); curl_easy_cleanup(ent->curl); free(ent); } } mutex_unlock(&pool->pool_lock); } static void *watchpool_thread(void __maybe_unused *userdata) { pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); while (42) { struct timeval now; int i; gettimeofday(&now, NULL); for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; if (!opt_benchmark) reap_curl(pool); if (pool->enabled == POOL_DISABLED) continue; /* Test pool is idle once every minute */ if (pool->idle && now.tv_sec - pool->tv_idle.tv_sec > 60) { gettimeofday(&pool->tv_idle, NULL); if (pool_active(pool, true) && pool_tclear(pool, &pool->idle)) pool_resus(pool); } } if (pool_strategy == POOL_ROTATE && now.tv_sec - rotate_tv.tv_sec > 60 * opt_rotate_period) { gettimeofday(&rotate_tv, NULL); switch_pools(NULL); } sleep(30); } 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. */ static void *watchdog_thread(void __maybe_unused *userdata) { const unsigned int interval = 3; struct timeval zero_tv; pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); memset(&zero_tv, 0, sizeof(struct timeval)); gettimeofday(&rotate_tv, NULL); while (1) { int i; struct timeval now; sleep(interval); if (requests_queued() < opt_queue) queue_request(NULL, false); hashmeter(-1, &zero_tv, 0); #ifdef HAVE_CURSES if (curses_active_locked()) { change_logwinsize(); curses_print_status(); for (i = 0; i < mining_threads; i++) curses_print_devstatus(i); touchwin(statuswin); wrefresh(statuswin); touchwin(logwin); wrefresh(logwin); unlock_curses(); } #endif gettimeofday(&now, NULL); 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; for (i = 0; i < mining_threads; i++) { struct thr_info *thr; thr = &thr_info[i]; thr->pause = true; } } 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 = &thr_info[i]; /* Don't touch disabled devices */ if (thr->cgpu->deven == DEV_DISABLED) continue; thr->pause = false; tq_push(thr->q, &ping); } } for (i = 0; i < total_devices; ++i) { struct cgpu_info *cgpu = devices[i]; struct thr_info *thr = cgpu->thread; enum dev_enable *denable; int gpu; if (cgpu->api->get_stats) { cgpu->api->get_stats(cgpu); } #ifdef HAVE_OPENCL if (cgpu->api != &opencl_api) continue; /* Use only one thread per device to determine if the GPU is healthy */ if (i >= nDevs) break; gpu = thr->cgpu->device_id; denable = &cgpu->deven; #ifdef HAVE_ADL if (adl_active && gpus[gpu].has_adl) gpu_autotune(gpu, denable); if (opt_debug && gpus[gpu].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 (gpus[gpu].status != LIFE_WELL && now.tv_sec - thr->last.tv_sec < 60) { applog(LOG_ERR, "Device %d recovered, GPU %d declared WELL!", i, gpu); gpus[gpu].status = LIFE_WELL; gpus[gpu].device_last_well = time(NULL); } else if (now.tv_sec - thr->last.tv_sec > 60 && gpus[gpu].status == LIFE_WELL) { thr->rolling = thr->cgpu->rolling = 0; gpus[gpu].status = LIFE_SICK; applog(LOG_ERR, "Device %d idle for more than 60 seconds, GPU %d declared SICK!", i, gpu); gettimeofday(&thr->sick, NULL); gpus[gpu].device_last_not_well = time(NULL); gpus[gpu].device_not_well_reason = REASON_DEV_SICK_IDLE_60; gpus[gpu].dev_sick_idle_60_count++; #ifdef HAVE_ADL if (adl_active && gpus[gpu].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, "Attempting to restart GPU"); reinit_device(thr->cgpu); } } else if (now.tv_sec - thr->last.tv_sec > 600 && gpus[i].status == LIFE_SICK) { gpus[gpu].status = LIFE_DEAD; applog(LOG_ERR, "Device %d not responding for more than 10 minutes, GPU %d declared DEAD!", i, gpu); gettimeofday(&thr->sick, NULL); gpus[gpu].device_last_not_well = time(NULL); gpus[gpu].device_not_well_reason = REASON_DEV_DEAD_IDLE_600; gpus[gpu].dev_dead_idle_600_count++; } else if (now.tv_sec - thr->sick.tv_sec > 60 && (gpus[i].status == LIFE_SICK || gpus[i].status == LIFE_DEAD)) { /* Attempt to restart a GPU that's sick or dead once every minute */ gettimeofday(&thr->sick, NULL); #ifdef HAVE_ADL if (adl_active && gpus[gpu].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(thr->cgpu); } #endif /* HAVE_OPENCL */ } } return NULL; } static void log_print_status(struct cgpu_info *cgpu) { char logline[255]; get_statline(logline, cgpu); applog(LOG_WARNING, "%s", logline); } static void print_summary(void) { struct timeval diff; int hours, mins, secs, i; double utility, efficiency = 0.0; timeval_subtract(&diff, &total_tv_end, &total_tv_start); hours = diff.tv_sec / 3600; mins = (diff.tv_sec % 3600) / 60; secs = diff.tv_sec % 60; utility = total_accepted / ( total_secs ? total_secs : 1 ) * 60; efficiency = total_getworks ? total_accepted * 100.0 / total_getworks : 0.0; 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); #ifdef WANT_CPUMINE if (opt_n_threads) applog(LOG_WARNING, "CPU hasher algorithm used: %s", algo_names[opt_algo]); #endif applog(LOG_WARNING, "Runtime: %d hrs : %d mins : %d secs", hours, mins, secs); if (total_secs) applog(LOG_WARNING, "Average hashrate: %.1f Megahash/s", total_mhashes_done / total_secs); applog(LOG_WARNING, "Solved blocks: %d", found_blocks); applog(LOG_WARNING, "Queued work requests: %d", total_getworks); 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); 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, "Efficiency (accepted / queued): %.0f%%", efficiency); applog(LOG_WARNING, "Utility (accepted shares / min): %.2f/min\n", utility); applog(LOG_WARNING, "Discarded work due to new blocks: %d", total_discarded); 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, " Queued work requests: %d", pool->getwork_requested); 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); if (pool->accepted || pool->rejected) applog(LOG_WARNING, " Reject ratio: %.1f%%", (double)(pool->rejected * 100) / (double)(pool->accepted + pool->rejected)); efficiency = pool->getwork_requested ? pool->accepted * 100.0 / pool->getwork_requested : 0.0; applog(LOG_WARNING, " Efficiency (accepted / queued): %.0f%%", efficiency); applog(LOG_WARNING, " Discarded work due to new blocks: %d", pool->discarded_work); 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) log_print_status(devices[i]); if (opt_shares) applog(LOG_WARNING, "Mined %d accepted shares of %d requested\n", total_accepted, opt_shares); fflush(stdout); fflush(stderr); if (opt_shares > total_accepted) applog(LOG_WARNING, "WARNING - Mined only %d shares of %d requested.", total_accepted, opt_shares); } static void clean_up(void) { #ifdef HAVE_OPENCL clear_adl(nDevs); #endif #ifdef HAVE_LIBUSB libusb_exit(NULL); #endif gettimeofday(&total_tv_end, NULL); #ifdef HAVE_CURSES disable_curses(); #endif if (!opt_realquiet && successful_connect) print_summary(); if (opt_n_threads) free(cpus); curl_global_cleanup(); } void quit(int status, const char *format, ...) { va_list ap; clean_up(); if (format) { va_start(ap, format); vfprintf(stderr, format, ap); va_end(ap); } fprintf(stderr, "\n"); fflush(stderr); #if defined(unix) 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 int add_pool_details(bool live, char *url, char *user, char *pass) { struct pool *pool; if (total_pools == MAX_POOLS) return ADD_POOL_MAXIMUM; pool = add_pool(); pool->rpc_url = url; pool->rpc_user = user; pool->rpc_pass = pass; pool->rpc_userpass = malloc(strlen(pool->rpc_user) + strlen(pool->rpc_pass) + 2); if (!pool->rpc_userpass) quit(1, "Failed to malloc userpass"); sprintf(pool->rpc_userpass, "%s:%s", pool->rpc_user, pool->rpc_pass); /* Test the pool is not idle if we're live running, otherwise * it will be tested separately */ pool->enabled = POOL_ENABLED; if (live && !pool_active(pool, false)) pool->idle = true; return ADD_POOL_OK; } #ifdef HAVE_CURSES static bool input_pool(bool live) { char *url = NULL, *user = NULL, *pass = NULL; bool ret = false; immedok(logwin, true); if (total_pools == MAX_POOLS) { wlogprint("Reached maximum number of pools.\n"); goto out; } wlogprint("Input server details.\n"); url = curses_input("URL"); if (!url) goto out; if (strncmp(url, "http://", 7) && strncmp(url, "https://", 8)) { char *httpinput; httpinput = malloc(255); if (!httpinput) quit(1, "Failed to malloc httpinput"); strcpy(httpinput, "http://"); strncat(httpinput, url, 248); free(url); url = httpinput; } user = curses_input("Username"); if (!user) goto out; pass = curses_input("Password"); if (!pass) goto out; ret = (add_pool_details(live, url, user, pass) == ADD_POOL_OK); out: immedok(logwin, false); if (!ret) { if (url) free(url); if (user) free(user); if (pass) free(pass); } return ret; } #endif #if defined(unix) 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 void enable_curses(void) { int x,y; lock_curses(); if (curses_active) { unlock_curses(); return; } mainwin = initscr(); 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(); curses_active = true; statusy = logstart; unlock_curses(); } #endif /* TODO: fix need a dummy CPU device_api even if no support for CPU mining */ #ifndef WANT_CPUMINE struct device_api cpu_api; struct device_api cpu_api = { .name = "CPU", }; #endif #ifdef USE_BITFORCE extern struct device_api bitforce_api; #endif #ifdef USE_ICARUS extern struct device_api icarus_api; #endif #ifdef USE_ZTEX extern struct device_api ztex_api; #endif static int cgminer_id_count = 0; void enable_device(struct cgpu_info *cgpu) { cgpu->deven = DEV_ENABLED; devices[cgpu->cgminer_id = cgminer_id_count++] = cgpu; mining_threads += cgpu->threads; #ifdef HAVE_OPENCL if (cgpu->api == &opencl_api) { gpu_threads += cgpu->threads; } #endif } struct _cgpu_devid_counter { char name[4]; int lastid; UT_hash_handle hh; }; bool add_cgpu(struct cgpu_info*cgpu) { static struct _cgpu_devid_counter *devids = NULL; struct _cgpu_devid_counter *d; HASH_FIND_STR(devids, cgpu->api->name, d); if (d) cgpu->device_id = ++d->lastid; else { d = malloc(sizeof(*d)); memcpy(d->name, cgpu->api->name, sizeof(d->name)); cgpu->device_id = d->lastid = 0; HASH_ADD_STR(devids, name, d); } devices[total_devices++] = cgpu; return true; } int main(int argc, char *argv[]) { struct block *block, *tmpblock; struct work *work, *tmpwork; bool pools_active = false; struct sigaction handler; struct thr_info *thr; unsigned int k; int i, j; /* 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"); initial_args = malloc(sizeof(char *) * (argc + 1)); for (i = 0; i < argc; i++) initial_args[i] = strdup(argv[i]); initial_args[argc] = NULL; #ifdef HAVE_LIBUSB libusb_init(NULL); #endif mutex_init(&hash_lock); mutex_init(&qd_lock); #ifdef HAVE_CURSES mutex_init(&curses_lock); #endif mutex_init(&control_lock); mutex_init(&sharelog_lock); mutex_init(&ch_lock); rwlock_init(&blk_lock); rwlock_init(&netacc_lock); mutex_init(&lp_lock); if (unlikely(pthread_cond_init(&lp_cond, NULL))) quit(1, "Failed to pthread_cond_init lp_cond"); sprintf(packagename, "%s %s", PACKAGE, VERSION); #ifdef WANT_CPUMINE init_max_name_len(); #endif handler.sa_handler = &sighandler; handler.sa_flags = 0; sigemptyset(&handler.sa_mask); sigaction(SIGTERM, &handler, &termhandler); sigaction(SIGINT, &handler, &inthandler); opt_kernel_path = alloca(PATH_MAX); strcpy(opt_kernel_path, CGMINER_PREFIX); cgminer_path = alloca(PATH_MAX); strcpy(cgminer_path, dirname(argv[0])); strcat(cgminer_path, "/"); #ifdef WANT_CPUMINE // Hack to make cgminer silent when called recursively on WIN32 int skip_to_bench = 0; #if defined(WIN32) char buf[32]; if (GetEnvironmentVariable("CGMINER_BENCH_ALGO", buf, 16)) skip_to_bench = 1; #endif // defined(WIN32) #endif 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_block, block->hash); INIT_LIST_HEAD(&scan_devices); memset(gpus, 0, sizeof(gpus)); for (i = 0; i < MAX_GPUDEVICES; i++) gpus[i].dynamic = true; memset(devices, 0, sizeof(devices)); /* 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; pool = calloc(sizeof(struct pool), 1); pool->pool_no = 0; pools[total_pools++] = pool; pthread_mutex_init(&pool->pool_lock, NULL); pool->rpc_url = malloc(255); strcpy(pool->rpc_url, "Benchmark"); pool->rpc_user = pool->rpc_url; pool->rpc_pass = pool->rpc_url; pool->enabled = POOL_ENABLED; pool->idle = false; successful_connect = true; } #ifdef HAVE_CURSES if (opt_realquiet || devices_enabled == -1) 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; #ifdef WANT_CPUMINE if (0<=opt_bench_algo) { double rate = bench_algo_stage3(opt_bench_algo); if (!skip_to_bench) { printf("%.5f (%s)\n", rate, algo_names[opt_bench_algo]); } else { // Write result to shared memory for parent #if defined(WIN32) char unique_name[64]; if (GetEnvironmentVariable("CGMINER_SHARED_MEM", unique_name, 32)) { HANDLE map_handle = CreateFileMapping( INVALID_HANDLE_VALUE, // use paging file NULL, // default security attributes PAGE_READWRITE, // read/write access 0, // size: high 32-bits 4096, // size: low 32-bits unique_name // name of map object ); if (NULL!=map_handle) { void *shared_mem = MapViewOfFile( map_handle, // object to map view of FILE_MAP_WRITE, // read/write access 0, // high offset: map from 0, // low offset: beginning 0 // default: map entire file ); if (NULL!=shared_mem) CopyMemory(shared_mem, &rate, sizeof(rate)); (void)UnmapViewOfFile(shared_mem); } (void)CloseHandle(map_handle); } #endif } exit(0); } #endif #ifdef HAVE_OPENCL if (!opt_nogpu) opencl_api.api_detect(); #endif #ifdef USE_ICARUS icarus_api.api_detect(); #endif #ifdef USE_BITFORCE bitforce_api.api_detect(); #endif #ifdef USE_ZTEX ztex_api.api_detect(); #endif #ifdef WANT_CPUMINE cpu_api.api_detect(); #endif if (devices_enabled == -1) { 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->api->name, cgpu->device_id, cgpu->name, cgpu->api->dname); else applog(LOG_ERR, " %2d. %s %d (driver: %s)", i, cgpu->api->name, cgpu->device_id, cgpu->api->dname); } quit(0, "%d devices listed", total_devices); } mining_threads = 0; gpu_threads = 0; if (devices_enabled) { for (i = 0; i < (int)(sizeof(devices_enabled) * 8) - 1; ++i) { if (devices_enabled & (1 << 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) { if (devices[i]->api == &cpu_api) --opt_n_threads; } else { 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!"); load_temp_cutoffs(); for (i = 0; i < total_devices; ++i) devices[i]->cgminer_stats.getwork_wait_min.tv_sec = MIN_SEC_UNSET; logstart += total_devices; logcursor = logstart + 1; #ifdef HAVE_CURSES check_winsizes(); #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]; pool->cgminer_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); pool->rpc_userpass = malloc(strlen(pool->rpc_user) + strlen(pool->rpc_pass) + 2); if (!pool->rpc_userpass) quit(1, "Failed to malloc userpass"); sprintf(pool->rpc_userpass, "%s:%s", pool->rpc_user, pool->rpc_pass); } else { pool->rpc_user = malloc(strlen(pool->rpc_userpass) + 1); if (!pool->rpc_user) quit(1, "Failed to malloc user"); strcpy(pool->rpc_user, pool->rpc_userpass); pool->rpc_user = strtok(pool->rpc_user, ":"); if (!pool->rpc_user) quit(1, "Failed to find colon delimiter in userpass"); } } /* 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) if (opt_stderr_cmd) fork_monitor(); #endif // defined(unix) total_threads = mining_threads + 7; work_restart = calloc(total_threads, sizeof(*work_restart)); if (!work_restart) quit(1, "Failed to calloc work_restart"); thr_info = calloc(total_threads, sizeof(*thr)); if (!thr_info) quit(1, "Failed to calloc thr_info"); /* init workio thread info */ work_thr_id = mining_threads; thr = &thr_info[work_thr_id]; thr->id = work_thr_id; thr->q = tq_new(); if (!thr->q) quit(1, "Failed to tq_new"); /* start work I/O thread */ if (thr_info_create(thr, NULL, workio_thread, thr)) quit(1, "workio thread create failed"); stage_thr_id = mining_threads + 1; thr = &thr_info[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]; pool->enabled = POOL_ENABLED; pool->idle = true; } applog(LOG_NOTICE, "Probing for an alive pool"); do { /* Look for at least one active pool before starting */ for (i = 0; i < total_pools; i++) { struct pool *pool = pools[i]; if (pool_active(pool, false)) { if (!currentpool) currentpool = pool; applog(LOG_INFO, "Pool %d %s active", pool->pool_no, pool->rpc_url); pools_active = true; break; } else { if (pool == currentpool) currentpool = NULL; applog(LOG_WARNING, "Unable to get work from pool %d %s", pool->pool_no, pool->rpc_url); } } 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."); nocbreak(); } 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; } gettimeofday(&total_tv_start, NULL); gettimeofday(&total_tv_end, NULL); get_datestamp(datestamp, &total_tv_start); #ifndef HAVE_OPENCL opt_g_threads = 0; #endif // Start threads k = 0; for (i = 0; i < total_devices; ++i) { struct cgpu_info *cgpu = devices[i]; for (j = 0; j < cgpu->threads; ++j, ++k) { thr = &thr_info[k]; thr->id = k; thr->cgpu = cgpu; thr->device_thread = j; thr->q = tq_new(); if (!thr->q) quit(1, "tq_new failed in starting %s%d mining thread (#%d)", cgpu->api->name, cgpu->device_id, i); /* 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 ping to thread %d", thr->id); tq_push(thr->q, &ping); } if (cgpu->api->thread_prepare && !cgpu->api->thread_prepare(thr)) continue; thread_reportout(thr); if (unlikely(thr_info_create(thr, NULL, miner_thread, thr))) quit(1, "thread %d create failed", thr->id); cgpu->thread = thr; /* delay each start by 100ms */ usleep(100000); } } #ifdef HAVE_OPENCL applog(LOG_INFO, "%d gpu miner threads started", gpu_threads); for (i = 0; i < nDevs; i++) pause_dynamic_threads(i); #endif #ifdef WANT_CPUMINE applog(LOG_INFO, "%d cpu miner threads started, " "using SHA256 '%s' algorithm.", opt_n_threads, algo_names[opt_algo]); #endif gettimeofday(&total_tv_start, NULL); gettimeofday(&total_tv_end, NULL); watchpool_thr_id = mining_threads + 2; thr = &thr_info[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 = mining_threads + 3; thr = &thr_info[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 = mining_threads + 4; thr = &thr_info[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 = mining_threads + 5; thr = &thr_info[api_thr_id]; if (thr_info_create(thr, NULL, api_thread, thr)) quit(1, "API thread create failed"); pthread_detach(thr->pth); #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 ll previous threads. */ input_thr_id = mining_threads + 6; thr = &thr_info[input_thr_id]; if (thr_info_create(thr, NULL, input_thread, thr)) quit(1, "input thread create failed"); pthread_detach(thr->pth); #endif /* main loop - simply wait for workio thread to exit. This is not the * normal exit path and only occurs should the workio_thread die * unexpectedly */ pthread_join(thr_info[work_thr_id].pth, NULL); applog(LOG_INFO, "workio thread dead, exiting."); clean_up(); /* Not really necessary, but let's clean this up too anyway */ HASH_ITER(hh, staged_work, work, tmpwork) { HASH_DEL(staged_work, work); free_work(work); } HASH_ITER(hh, blocks, block, tmpblock) { HASH_DEL(blocks, block); free(block); } #if defined(unix) if (forkpid > 0) { kill(forkpid, SIGTERM); forkpid = 0; } #endif return 0; }