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GOSTCoin CUDA miner project, compatible with most nvidia cards, containing only gostd algo
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ccminer-gostd-lite/ccminer.cpp

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/*
* Copyright 2010 Jeff Garzik
* Copyright 2012-2014 pooler
* Copyright 2014-2015 tpruvot
*
* 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 2 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#include "cpuminer-config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <inttypes.h>
#include <unistd.h>
#include <math.h>
#include <sys/time.h>
#include <time.h>
#include <signal.h>
#include <curl/curl.h>
#include <openssl/sha.h>
#ifdef WIN32
#include <windows.h>
#include <stdint.h>
#else
#include <errno.h>
#include <sys/resource.h>
#if HAVE_SYS_SYSCTL_H
#include <sys/types.h>
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <sys/sysctl.h>
#endif
#endif
#include "miner.h"
#include <cuda_runtime.h>
#ifdef WIN32
#include <Mmsystem.h>
#pragma comment(lib, "winmm.lib")
#include "compat/winansi.h"
BOOL WINAPI ConsoleHandler(DWORD);
#endif
#define PROGRAM_NAME "ccminer"
#define LP_SCANTIME 60
#define HEAVYCOIN_BLKHDR_SZ 84
#define MNR_BLKHDR_SZ 80
// from cuda.cpp
int cuda_num_devices();
void cuda_devicenames();
void cuda_reset_device(int thr_id, bool *init);
void cuda_shutdown();
int cuda_finddevice(char *name);
void cuda_print_devices();
#include "nvml.h"
#ifdef USE_WRAPNVML
nvml_handle *hnvml = NULL;
#endif
enum workio_commands {
WC_GET_WORK,
WC_SUBMIT_WORK,
WC_ABORT,
};
struct workio_cmd {
enum workio_commands cmd;
struct thr_info *thr;
union {
struct work *work;
} u;
int pooln;
};
enum sha_algos {
ALGO_ANIME,
ALGO_BLAKE,
ALGO_BLAKECOIN,
ALGO_DEEP,
ALGO_DMD_GR,
ALGO_FRESH,
ALGO_FUGUE256, /* Fugue256 */
ALGO_GROESTL,
ALGO_HEAVY, /* Heavycoin hash */
ALGO_KECCAK,
ALGO_JACKPOT,
ALGO_LUFFA,
ALGO_LYRA2,
ALGO_MJOLLNIR, /* Hefty hash */
ALGO_MYR_GR,
ALGO_NEOSCRYPT,
ALGO_NIST5,
ALGO_PENTABLAKE,
ALGO_PLUCK,
ALGO_QUARK,
ALGO_QUBIT,
ALGO_SCRYPT,
ALGO_SCRYPT_JANE,
ALGO_SKEIN,
ALGO_SKEIN2,
ALGO_S3,
ALGO_X11,
ALGO_X13,
ALGO_X14,
ALGO_X15,
ALGO_X17,
ALGO_ZR5,
};
static const char *algo_names[] = {
"anime",
"blake",
"blakecoin",
"deep",
"dmd-gr",
"fresh",
"fugue256",
"groestl",
"heavy",
"keccak",
"jackpot",
"luffa",
"lyra2",
"mjollnir",
"myr-gr",
"neoscrypt",
"nist5",
"penta",
"pluck",
"quark",
"qubit",
"scrypt",
"scrypt-jane",
"skein",
"skein2",
"s3",
"x11",
"x13",
"x14",
"x15",
"x17",
"zr5",
};
bool opt_debug = false;
bool opt_debug_threads = false;
bool opt_protocol = false;
bool opt_benchmark = false;
// todo: limit use of these flags,
// prefer the pools[] attributes
bool want_longpoll = true;
bool have_longpoll = false;
bool want_stratum = true;
bool have_stratum = false;
bool allow_gbt = true;
bool allow_mininginfo = true;
bool check_dups = false;
static bool submit_old = false;
bool use_syslog = false;
bool use_colors = true;
int use_pok = 0;
static bool opt_background = false;
bool opt_quiet = false;
static int opt_retries = -1;
static int opt_fail_pause = 30;
int opt_time_limit = -1;
time_t firstwork_time = 0;
int opt_timeout = 60; // curl
int opt_scantime = 10;
static json_t *opt_config;
static const bool opt_time = true;
static enum sha_algos opt_algo = ALGO_X11;
int opt_n_threads = 0;
int opt_affinity = -1;
int opt_priority = 0;
static double opt_difficulty = 1.;
bool opt_extranonce = true;
bool opt_trust_pool = false;
uint16_t opt_vote = 9999;
int num_cpus;
int active_gpus;
char * device_name[MAX_GPUS];
short device_map[MAX_GPUS] = { 0 };
long device_sm[MAX_GPUS] = { 0 };
uint32_t gpus_intensity[MAX_GPUS] = { 0 };
uint32_t device_gpu_clocks[MAX_GPUS] = { 0 };
uint32_t device_mem_clocks[MAX_GPUS] = { 0 };
uint32_t device_plimit[MAX_GPUS] = { 0 };
int8_t device_pstate[MAX_GPUS] = { -1 };
// un-linked to cmdline scrypt options (useless)
int device_batchsize[MAX_GPUS] = { 0 };
int device_texturecache[MAX_GPUS] = { 0 };
int device_singlememory[MAX_GPUS] = { 0 };
// implemented scrypt options
int parallel = 2; // All should be made on GPU
char *device_config[MAX_GPUS] = { 0 };
int device_backoff[MAX_GPUS] = { 0 };
int device_lookup_gap[MAX_GPUS] = { 0 };
int device_interactive[MAX_GPUS] = { 0 };
int opt_nfactor = 0;
bool opt_autotune = true;
char *jane_params = NULL;
// pools (failover/getwork infos)
struct pool_infos pools[MAX_POOLS] = { 0 };
int num_pools = 1;
volatile int cur_pooln = 0;
bool opt_pool_failover = true;
volatile bool pool_is_switching = false;
volatile int pool_switch_count = 0;
bool conditional_pool_rotate = false;
// current connection
char *rpc_user = NULL;
char *rpc_pass;
char *rpc_url;
char *short_url = NULL;
struct stratum_ctx stratum = { 0 };
pthread_mutex_t stratum_sock_lock;
pthread_mutex_t stratum_work_lock;
char *opt_cert;
char *opt_proxy;
long opt_proxy_type;
struct thr_info *thr_info;
static int work_thr_id;
struct thr_api *thr_api;
int longpoll_thr_id = -1;
int stratum_thr_id = -1;
int api_thr_id = -1;
bool stratum_need_reset = false;
volatile bool abort_flag = false;
struct work_restart *work_restart = NULL;
static int app_exit_code = EXIT_CODE_OK;
pthread_mutex_t applog_lock;
static pthread_mutex_t stats_lock;
static double thr_hashrates[MAX_GPUS] = { 0 };
uint64_t global_hashrate = 0;
double stratum_diff = 0.0;
double net_diff = 0;
uint64_t net_hashrate = 0;
uint64_t net_blocks = 0;
// conditional mining
uint8_t conditional_state[MAX_GPUS] = { 0 };
double opt_max_temp = 0.0;
double opt_max_diff = -1.;
double opt_max_rate = -1.;
int opt_statsavg = 30;
// strdup on char* to allow a common free() if used
static char* opt_syslog_pfx = strdup(PROGRAM_NAME);
char *opt_api_allow = strdup("127.0.0.1"); /* 0.0.0.0 for all ips */
int opt_api_remote = 0;
int opt_api_listen = 4068; /* 0 to disable */
static char const usage[] = "\
Usage: " PROGRAM_NAME " [OPTIONS]\n\
Options:\n\
-a, --algo=ALGO specify the hash algorithm to use\n\
anime Animecoin\n\
blake Blake 256 (SFR)\n\
blakecoin Fast Blake 256 (8 rounds)\n\
deep Deepcoin\n\
dmd-gr Diamond-Groestl\n\
fresh Freshcoin (shavite 80)\n\
fugue256 Fuguecoin\n\
groestl Groestlcoin\n\
heavy Heavycoin\n\
jackpot Jackpot\n\
keccak Keccak-256 (Maxcoin)\n\
luffa Joincoin\n\
lyra2 VertCoin\n\
mjollnir Mjollnircoin\n\
myr-gr Myriad-Groestl\n\
neoscrypt FeatherCoin, Phoenix, UFO...\n\
nist5 NIST5 (TalkCoin)\n\
penta Pentablake hash (5x Blake 512)\n\
pluck SupCoin\n\
quark Quark\n\
qubit Qubit\n\
scrypt Scrypt\n\
scrypt-jane Scrypt-jane Chacha\n\
skein Skein SHA2 (Skeincoin)\n\
skein2 Double Skein (Woodcoin)\n\
s3 S3 (1Coin)\n\
x11 X11 (DarkCoin)\n\
x13 X13 (MaruCoin)\n\
x14 X14\n\
x15 X15\n\
x17 X17\n\
zr5 ZR5 (ZiftrCoin)\n\
-d, --devices Comma separated list of CUDA devices to use.\n\
Device IDs start counting from 0! Alternatively takes\n\
string names of your cards like gtx780ti or gt640#2\n\
(matching 2nd gt640 in the PC)\n\
-i --intensity=N[,N] GPU intensity 8.0-25.0 (default: auto) \n\
Decimals are allowed for fine tuning \n\
-f, --diff-factor Divide difficulty by this factor (default 1.0) \n\
-m, --diff-multiplier Multiply difficulty by this value (default 1.0) \n\
--vote=VOTE block reward vote (for HeavyCoin)\n\
--trust-pool trust the max block reward vote (maxvote) sent by the pool\n\
-o, --url=URL URL of mining server\n\
-O, --userpass=U:P username:password pair for mining server\n\
-u, --user=USERNAME username for mining server\n\
-p, --pass=PASSWORD password for mining server\n\
--cert=FILE certificate for mining server using SSL\n\
-x, --proxy=[PROTOCOL://]HOST[:PORT] connect through a proxy\n\
-t, --threads=N number of miner threads (default: number of nVidia GPUs)\n\
-r, --retries=N number of times to retry if a network call fails\n\
(default: retry indefinitely)\n\
-R, --retry-pause=N time to pause between retries, in seconds (default: 30)\n\
--time-limit maximum time [s] to mine before exiting the program.\n\
-T, --timeout=N network timeout, in seconds (default: 60)\n\
-s, --scantime=N upper bound on time spent scanning current work when\n\
long polling is unavailable, in seconds (default: 10)\n\
-n, --ndevs list cuda devices\n\
-N, --statsavg number of samples used to compute hashrate (default: 30)\n\
--no-gbt disable getblocktemplate support (height check in solo)\n\
--no-longpoll disable X-Long-Polling support\n\
--no-stratum disable X-Stratum support\n\
-q, --quiet disable per-thread hashmeter output\n\
--no-color disable colored output\n\
-D, --debug enable debug output\n\
-P, --protocol-dump verbose dump of protocol-level activities\n\
--cpu-affinity set process affinity to cpu core(s), mask 0x3 for cores 0 and 1\n\
--cpu-priority set process priority (default: 3) 0 idle, 2 normal to 5 highest\n\
-b, --api-bind=port IP:port for the miner API (default: 127.0.0.1:4068), 0 disabled\n\
--api-remote Allow remote control, like pool switching\n\
--max-temp=N Only mine if gpu temp is less than specified value\n\
--max-rate=N[KMG] Only mine if net hashrate is less than specified value\n\
--max-diff=N Only mine if net difficulty is less than specified value\n"
#if defined(USE_WRAPNVML) && (defined(__linux) || defined(_WIN64)) /* via nvml */
"\
--mem-clock=3505 Set the gpu memory max clock (346.72+ driver)\n\
--gpu-clock=1150 Set the gpu engine max clock (346.72+ driver)\n\
--pstate=0[,2] Set the gpu power state (352.21+ driver)\n\
--plimit=100W Set the gpu power limit (352.21+ driver)\n"
#endif
#ifdef HAVE_SYSLOG_H
"\
-S, --syslog use system log for output messages\n\
--syslog-prefix=... allow to change syslog tool name\n"
#endif
"\
-B, --background run the miner in the background\n\
--benchmark run in offline benchmark mode\n\
--cputest debug hashes from cpu algorithms\n\
-c, --config=FILE load a JSON-format configuration file\n\
-V, --version display version information and exit\n\
-h, --help display this help text and exit\n\
";
static char const short_options[] =
#ifdef HAVE_SYSLOG_H
"S"
#endif
"a:Bc:i:Dhp:Px:f:m:nqr:R:s:t:T:o:u:O:Vd:N:b:l:L:";
struct option options[] = {
{ "algo", 1, NULL, 'a' },
{ "api-bind", 1, NULL, 'b' },
{ "api-remote", 0, NULL, 1030 },
{ "background", 0, NULL, 'B' },
{ "benchmark", 0, NULL, 1005 },
{ "cert", 1, NULL, 1001 },
{ "config", 1, NULL, 'c' },
{ "cputest", 0, NULL, 1006 },
{ "cpu-affinity", 1, NULL, 1020 },
{ "cpu-priority", 1, NULL, 1021 },
{ "debug", 0, NULL, 'D' },
{ "help", 0, NULL, 'h' },
{ "intensity", 1, NULL, 'i' },
{ "ndevs", 0, NULL, 'n' },
{ "no-color", 0, NULL, 1002 },
{ "no-gbt", 0, NULL, 1011 },
{ "no-longpoll", 0, NULL, 1003 },
{ "no-stratum", 0, NULL, 1007 },
{ "no-autotune", 0, NULL, 1004 }, // scrypt
{ "interactive", 1, NULL, 1050 }, // scrypt
{ "launch-config", 0, NULL, 'l' }, // scrypt
{ "lookup-gap", 0, NULL, 'L' }, // scrypt
{ "max-temp", 1, NULL, 1060 },
{ "max-diff", 1, NULL, 1061 },
{ "max-rate", 1, NULL, 1062 },
{ "pass", 1, NULL, 'p' },
{ "pool-name", 1, NULL, 1100 }, // pool
{ "pool-removed", 1, NULL, 1101 }, // pool
{ "pool-scantime", 1, NULL, 1102 }, // pool
{ "pool-time-limit", 1, NULL, 1108 },
{ "pool-max-diff", 1, NULL, 1161 }, // pool
{ "pool-max-rate", 1, NULL, 1162 }, // pool
{ "protocol-dump", 0, NULL, 'P' },
{ "proxy", 1, NULL, 'x' },
{ "quiet", 0, NULL, 'q' },
{ "retries", 1, NULL, 'r' },
{ "retry-pause", 1, NULL, 'R' },
{ "scantime", 1, NULL, 's' },
{ "statsavg", 1, NULL, 'N' },
{ "gpu-clock", 1, NULL, 1070 },
{ "mem-clock", 1, NULL, 1071 },
{ "pstate", 1, NULL, 1072 },
{ "plimit", 1, NULL, 1073 },
#ifdef HAVE_SYSLOG_H
{ "syslog", 0, NULL, 'S' },
{ "syslog-prefix", 1, NULL, 1018 },
#endif
{ "time-limit", 1, NULL, 1008 },
{ "threads", 1, NULL, 't' },
{ "vote", 1, NULL, 1022 },
{ "trust-pool", 0, NULL, 1023 },
{ "timeout", 1, NULL, 'T' },
{ "url", 1, NULL, 'o' },
{ "user", 1, NULL, 'u' },
{ "userpass", 1, NULL, 'O' },
{ "version", 0, NULL, 'V' },
{ "devices", 1, NULL, 'd' },
{ "diff-multiplier", 1, NULL, 'm' },
{ "diff-factor", 1, NULL, 'f' },
{ "diff", 1, NULL, 'f' }, // compat
{ 0, 0, 0, 0 }
};
static char const scrypt_usage[] = "\n\
Scrypt specific options:\n\
-l, --launch-config gives the launch configuration for each kernel\n\
in a comma separated list, one per device.\n\
-L, --lookup-gap Divides the per-hash memory requirement by this factor\n\
by storing only every N'th value in the scratchpad.\n\
Default is 1.\n\
--interactive comma separated list of flags (0/1) specifying\n\
which of the CUDA device you need to run at inter-\n\
active frame rates (because it drives a display).\n\
--no-autotune disable auto-tuning of kernel launch parameters\n\
";
struct work _ALIGN(64) g_work;
volatile time_t g_work_time;
pthread_mutex_t g_work_lock;
// get const array size (defined in ccminer.cpp)
int options_count()
{
int n = 0;
while (options[n].name != NULL)
n++;
return n;
}
#ifdef __linux /* Linux specific policy and affinity management */
#include <sched.h>
static inline void drop_policy(void) {
struct sched_param param;
param.sched_priority = 0;
#ifdef SCHED_IDLE
if (unlikely(sched_setscheduler(0, SCHED_IDLE, &param) == -1))
#endif
#ifdef SCHED_BATCH
sched_setscheduler(0, SCHED_BATCH, &param);
#endif
}
static void affine_to_cpu_mask(int id, uint8_t mask) {
cpu_set_t set;
CPU_ZERO(&set);
for (uint8_t i = 0; i < num_cpus; i++) {
// cpu mask
if (mask & (1<<i)) { CPU_SET(i, &set); }
}
if (id == -1) {
// process affinity
sched_setaffinity(0, sizeof(&set), &set);
} else {
// thread only
pthread_setaffinity_np(thr_info[id].pth, sizeof(&set), &set);
}
}
#elif defined(__FreeBSD__) /* FreeBSD specific policy and affinity management */
#include <sys/cpuset.h>
static inline void drop_policy(void) { }
static void affine_to_cpu_mask(int id, uint8_t mask) {
cpuset_t set;
CPU_ZERO(&set);
for (uint8_t i = 0; i < num_cpus; i++) {
if (mask & (1<<i)) CPU_SET(i, &set);
}
cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof(cpuset_t), &set);
}
#else /* Windows */
static inline void drop_policy(void) { }
static void affine_to_cpu_mask(int id, uint8_t mask) {
if (id == -1)
SetProcessAffinityMask(GetCurrentProcess(), mask);
else
SetThreadAffinityMask(GetCurrentThread(), mask);
}
#endif
static bool get_blocktemplate(CURL *curl, struct work *work);
void get_currentalgo(char* buf, int sz)
{
snprintf(buf, sz, "%s", algo_names[opt_algo]);
}
/**
* Exit app
*/
void proper_exit(int reason)
{
abort_flag = true;
usleep(200 * 1000);
cuda_shutdown();
if (reason == EXIT_CODE_OK && app_exit_code != EXIT_CODE_OK) {
reason = app_exit_code;
}
if (check_dups)
hashlog_purge_all();
stats_purge_all();
#ifdef WIN32
timeEndPeriod(1); // else never executed
#endif
#ifdef USE_WRAPNVML
if (hnvml) {
for (int n=0; n < opt_n_threads; n++) {
nvml_reset_clocks(hnvml, device_map[n]);
}
nvml_destroy(hnvml);
}
#endif
free(opt_syslog_pfx);
free(opt_api_allow);
free(work_restart);
//free(thr_info);
exit(reason);
}
static bool jobj_binary(const json_t *obj, const char *key,
void *buf, size_t buflen)
{
const char *hexstr;
json_t *tmp;
tmp = json_object_get(obj, key);
if (unlikely(!tmp)) {
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((uchar*)buf, hexstr, buflen))
return false;
return true;
}
/* compute nbits to get the network diff */
static void calc_network_diff(struct work *work)
{
// sample for diff 43.281 : 1c05ea29
uchar rtarget[48] = { 0 };
uint64_t diffone = 0xFFFF000000000000ull; //swab64(0xFFFFull);
uint64_t *data64, d64;
// todo: endian reversed on longpoll could be zr5 specific...
uint32_t nbits = have_longpoll ? work->data[18] : swab32(work->data[18]);
uint32_t shift = (swab32(nbits) & 0xff); // 0x1c = 28
uint32_t bits = (nbits & 0xffffff);
int shfb = 8 * (26 - (shift - 3));
switch (opt_algo) {
case ALGO_ANIME:
case ALGO_QUARK:
diffone = 0xFFFFFF0000000000ull;
break;
case ALGO_PLUCK:
case ALGO_SCRYPT:
case ALGO_SCRYPT_JANE:
// cant get the right value on these 3 algos...
diffone = 0xFFFFFFFF00000000ull;
net_diff = 0.;
break;
case ALGO_NEOSCRYPT:
// todo/check... (neoscrypt data is reversed)
if (opt_debug)
applog(LOG_DEBUG, "diff: %08x -> shift %u, bits %08x, shfb %d", nbits, shift, bits, shfb);
net_diff = 0.;
return;
}
bn_nbits_to_uchar(nbits, rtarget);
data64 = (uint64_t*)(rtarget + 4);
switch (opt_algo) {
case ALGO_HEAVY:
data64 = (uint64_t*)(rtarget + 2);
break;
case ALGO_ANIME:
case ALGO_QUARK:
data64 = (uint64_t*)(rtarget + 3);
break;
}
d64 = swab64(*data64);
if (!d64)
d64 = 1;
net_diff = (double)diffone / d64; // 43.281
if (opt_debug)
applog(LOG_DEBUG, "diff: %08x -> shift %u, bits %08x, shfb %d -> %.5f (pool %u)",
nbits, shift, bits, shfb, net_diff, work->pooln);
}
static bool work_decode(const json_t *val, struct work *work)
{
int data_size = sizeof(work->data), target_size = sizeof(work->target);
int adata_sz = ARRAY_SIZE(work->data), atarget_sz = ARRAY_SIZE(work->target);
int i;
if (opt_algo == ALGO_NEOSCRYPT || opt_algo == ALGO_ZR5) {
data_size = 80; adata_sz = 20;
}
if (unlikely(!jobj_binary(val, "data", work->data, data_size))) {
applog(LOG_ERR, "JSON inval data");
return false;
}
if (unlikely(!jobj_binary(val, "target", work->target, target_size))) {
applog(LOG_ERR, "JSON inval target");
return false;
}
if (opt_algo == ALGO_HEAVY) {
if (unlikely(!jobj_binary(val, "maxvote", &work->maxvote, sizeof(work->maxvote)))) {
work->maxvote = 2048;
}
} else work->maxvote = 0;
for (i = 0; i < adata_sz; i++)
work->data[i] = le32dec(work->data + i);
for (i = 0; i < atarget_sz; i++)
work->target[i] = le32dec(work->target + i);
if (opt_max_diff > 0. && !allow_mininginfo)
calc_network_diff(work);
work->tx_count = use_pok = 0;
if (work->data[0] & POK_BOOL_MASK) {
use_pok = 1;
json_t *txs = json_object_get(val, "txs");
if (txs && json_is_array(txs)) {
size_t idx, totlen = 0;
json_t *p;
json_array_foreach(txs, idx, p) {
const int tx = work->tx_count % POK_MAX_TXS;
const char* hexstr = json_string_value(p);
size_t txlen = strlen(hexstr)/2;
work->tx_count++;
if (work->tx_count > POK_MAX_TXS || txlen >= POK_MAX_TX_SZ) {
// when tx is too big, just reset use_pok for the bloc
use_pok = 0;
if (opt_debug) applog(LOG_WARNING,
"pok: large bloc ignored, tx len: %u", txlen);
work->tx_count = 0;
break;
}
hex2bin((uchar*)work->txs[tx].data, hexstr, min(txlen, POK_MAX_TX_SZ));
work->txs[tx].len = txlen;
totlen += txlen;
}
if (opt_debug)
applog(LOG_DEBUG, "bloc txs: %u, total len: %u", work->tx_count, totlen);
}
}
json_t *jr = json_object_get(val, "noncerange");
if (jr) {
const char * hexstr = json_string_value(jr);
if (likely(hexstr)) {
// never seen yet...
hex2bin((uchar*)work->noncerange.u64, hexstr, 8);
applog(LOG_DEBUG, "received noncerange: %08x-%08x",
work->noncerange.u32[0], work->noncerange.u32[1]);
}
}
/* use work ntime as job id (solo-mining) */
cbin2hex(work->job_id, (const char*)&work->data[17], 4);
return true;
}
/**
* Calculate the work difficulty as double
*/
static void calc_target_diff(struct work *work)
{
// sample for diff 32.53 : 00000007de5f0000
char rtarget[32];
uint64_t diffone = 0xFFFF000000000000ull;
uint64_t *data64, d64;
swab256(rtarget, work->target);
data64 = (uint64_t*)(rtarget + 3);
switch (opt_algo) {
case ALGO_NEOSCRYPT: /* diffone in work->target[7] ? */
//case ALGO_SCRYPT:
//case ALGO_SCRYPT_JANE:
// todo/check...
work->difficulty = 0.;
return;
case ALGO_HEAVY:
data64 = (uint64_t*)(rtarget + 2);
break;
}
d64 = swab64(*data64);
if (unlikely(!d64))
d64 = 1;
work->difficulty = (double)diffone / d64;
if (opt_difficulty > 0.)
work->difficulty /= opt_difficulty;
}
static int share_result(int result, int pooln, const char *reason)
{
char s[32] = { 0 };
double hashrate = 0.;
struct pool_infos *p = &pools[pooln];
pthread_mutex_lock(&stats_lock);
for (int i = 0; i < opt_n_threads; i++) {
hashrate += stats_get_speed(i, thr_hashrates[i]);
}
result ? p->accepted_count++ : p->rejected_count++;
pthread_mutex_unlock(&stats_lock);
global_hashrate = llround(hashrate);
format_hashrate(hashrate, s);
applog(LOG_NOTICE, "accepted: %lu/%lu (%.2f%%), %s %s",
p->accepted_count,
p->accepted_count + p->rejected_count,
100. * p->accepted_count / (p->accepted_count + p->rejected_count),
s,
use_colors ?
(result ? CL_GRN "yay!!!" : CL_RED "booooo")
: (result ? "(yay!!!)" : "(booooo)"));
if (reason) {
applog(LOG_WARNING, "reject reason: %s", reason);
/* if (strncasecmp(reason, "low difficulty", 14) == 0) {
opt_difficulty = (opt_difficulty * 2.0) / 3.0;
applog(LOG_WARNING, "difficulty factor reduced to : %0.2f", opt_difficulty);
return 0;
} */
if (!check_dups && strncasecmp(reason, "duplicate", 9) == 0) {
applog(LOG_WARNING, "enabling duplicates check feature");
check_dups = true;
g_work_time = 0;
}
}
return 1;
}
static bool submit_upstream_work(CURL *curl, struct work *work)
{
struct pool_infos *pool = &pools[work->pooln];
json_t *val, *res, *reason;
bool stale_work = false;
char s[384];
/* discard if a newer bloc was received */
stale_work = work->height && work->height < g_work.height;
if (have_stratum && !stale_work && opt_algo != ALGO_ZR5 && opt_algo != ALGO_SCRYPT_JANE) {
pthread_mutex_lock(&g_work_lock);
if (strlen(work->job_id + 8))
stale_work = strncmp(work->job_id + 8, g_work.job_id + 8, 4);
pthread_mutex_unlock(&g_work_lock);
}
if (!have_stratum && !stale_work && allow_gbt) {
struct work wheight = { 0 };
if (get_blocktemplate(curl, &wheight)) {
if (work->height && work->height < wheight.height) {
if (opt_debug)
applog(LOG_WARNING, "bloc %u was already solved", work->height);
return true;
}
}
}
if (!stale_work && opt_algo == ALGO_ZR5 && !have_stratum) {
stale_work = (memcmp(&work->data[1], &g_work.data[1], 68));
}
if (!submit_old && stale_work) {
if (opt_debug)
applog(LOG_WARNING, "stale work detected, discarding");
return true;
}
calc_target_diff(work);
if (pool->type & POOL_STRATUM) {
uint32_t sent = 0;
uint32_t ntime, nonce;
uint16_t nvote;
char *ntimestr, *noncestr, *xnonce2str, *nvotestr;
switch (opt_algo) {
case ALGO_ZR5:
check_dups = true;
be32enc(&ntime, work->data[17]);
be32enc(&nonce, work->data[19]);
break;
default:
le32enc(&ntime, work->data[17]);
le32enc(&nonce, work->data[19]);
}
noncestr = bin2hex((const uchar*)(&nonce), 4);
if (check_dups)
sent = hashlog_already_submittted(work->job_id, nonce);
if (sent > 0) {
sent = (uint32_t) time(NULL) - sent;
if (!opt_quiet) {
applog(LOG_WARNING, "nonce %s was already sent %u seconds ago", noncestr, sent);
hashlog_dump_job(work->job_id);
}
free(noncestr);
// prevent useless computing on some pools
g_work_time = 0;
restart_threads();
return true;
}
ntimestr = bin2hex((const uchar*)(&ntime), 4);
xnonce2str = bin2hex(work->xnonce2, work->xnonce2_len);
if (opt_algo == ALGO_HEAVY) {
be16enc(&nvote, *((uint16_t*)&work->data[20]));
nvotestr = bin2hex((const uchar*)(&nvote), 2);
sprintf(s,
"{\"method\": \"mining.submit\", \"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\":4}",
pool->user, work->job_id + 8, xnonce2str, ntimestr, noncestr, nvotestr);
free(nvotestr);
} else {
sprintf(s,
"{\"method\": \"mining.submit\", \"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\":4}",
pool->user, work->job_id + 8, xnonce2str, ntimestr, noncestr);
}
free(xnonce2str);
free(ntimestr);
free(noncestr);
gettimeofday(&stratum.tv_submit, NULL);
if (unlikely(!stratum_send_line(&stratum, s))) {
applog(LOG_ERR, "submit_upstream_work stratum_send_line failed");
return false;
}
if (check_dups)
hashlog_remember_submit(work, nonce);
} else {
int data_size = sizeof(work->data);
int adata_sz = ARRAY_SIZE(work->data);
/* build hex string */
char *str = NULL;
if (opt_algo == ALGO_ZR5) {
data_size = 80; adata_sz = 20;
}
if (opt_algo != ALGO_HEAVY && opt_algo != ALGO_MJOLLNIR) {
for (int i = 0; i < adata_sz; i++)
le32enc(work->data + i, work->data[i]);
}
str = bin2hex((uchar*)work->data, data_size);
if (unlikely(!str)) {
applog(LOG_ERR, "submit_upstream_work OOM");
return false;
}
/* build JSON-RPC request */
sprintf(s,
"{\"method\": \"getwork\", \"params\": [\"%s\"], \"id\":4}\r\n",
str);
/* issue JSON-RPC request */
val = json_rpc_call_pool(curl, pool, s, false, false, NULL);
if (unlikely(!val)) {
applog(LOG_ERR, "submit_upstream_work json_rpc_call failed");
return false;
}
res = json_object_get(val, "result");
reason = json_object_get(val, "reject-reason");
if (!share_result(json_is_true(res),
work->pooln,
reason ? json_string_value(reason) : NULL))
{
if (check_dups)
hashlog_purge_job(work->job_id);
}
json_decref(val);
free(str);
}
return true;
}
/* simplified method to only get some extra infos in solo mode */
static bool gbt_work_decode(const json_t *val, struct work *work)
{
json_t *err = json_object_get(val, "error");
if (err && !json_is_null(err)) {
allow_gbt = false;
applog(LOG_INFO, "GBT not supported, bloc height unavailable");
return false;
}
if (!work->height) {
// complete missing data from getwork
json_t *key = json_object_get(val, "height");
if (key && json_is_integer(key)) {
work->height = (uint32_t) json_integer_value(key);
if (!opt_quiet && work->height > g_work.height) {
if (net_diff > 0.) {
char netinfo[64] = { 0 };
char srate[32] = { 0 };
sprintf(netinfo, "diff %.2f", net_diff);
if (net_hashrate) {
format_hashrate((double) net_hashrate, srate);
strcat(netinfo, ", net ");
strcat(netinfo, srate);
}
applog(LOG_BLUE, "%s block %d, %s",
algo_names[opt_algo], work->height, netinfo);
} else {
applog(LOG_BLUE, "%s %s block %d", short_url,
algo_names[opt_algo], work->height);
}
g_work.height = work->height;
}
}
}
return true;
}
#define GBT_CAPABILITIES "[\"coinbasetxn\", \"coinbasevalue\", \"longpoll\", \"workid\"]"
static const char *gbt_req =
"{\"method\": \"getblocktemplate\", \"params\": ["
// "{\"capabilities\": " GBT_CAPABILITIES "}"
"], \"id\":9}\r\n";
static bool get_blocktemplate(CURL *curl, struct work *work)
{
struct pool_infos *pool = &pools[work->pooln];
if (!allow_gbt)
return false;
int curl_err = 0;
json_t *val = json_rpc_call_pool(curl, pool, gbt_req, false, false, &curl_err);
if (!val && curl_err == -1) {
// when getblocktemplate is not supported, disable it
allow_gbt = false;
if (!opt_quiet) {
applog(LOG_BLUE, "gbt not supported, block height notices disabled");
}
return false;
}
bool rc = gbt_work_decode(json_object_get(val, "result"), work);
json_decref(val);
return rc;
}
// good alternative for wallet mining, difficulty and net hashrate
static const char *info_req =
"{\"method\": \"getmininginfo\", \"params\": [], \"id\":8}\r\n";
static bool get_mininginfo(CURL *curl, struct work *work)
{
struct pool_infos *pool = &pools[work->pooln];
int curl_err = 0;
if (have_stratum || !allow_mininginfo)
return false;
json_t *val = json_rpc_call_pool(curl, pool, info_req, false, false, &curl_err);
if (!val && curl_err == -1) {
allow_mininginfo = false;
if (opt_debug) {
applog(LOG_DEBUG, "getmininginfo not supported");
}
return false;
} else {
json_t *res = json_object_get(val, "result");
// "blocks": 491493 (= current work height - 1)
// "difficulty": 0.99607860999999998
// "networkhashps": 56475980
if (res) {
json_t *key = json_object_get(res, "difficulty");
if (key && json_is_real(key)) {
net_diff = json_real_value(key);
}
key = json_object_get(res, "networkhashps");
if (key && json_is_integer(key)) {
net_hashrate = json_integer_value(key);
}
key = json_object_get(res, "blocks");
if (key && json_is_integer(key)) {
net_blocks = json_integer_value(key);
}
}
}
json_decref(val);
return true;
}
static const char *rpc_req =
"{\"method\": \"getwork\", \"params\": [], \"id\":0}\r\n";
static bool get_upstream_work(CURL *curl, struct work *work)
{
bool rc;
struct timeval tv_start, tv_end, diff;
struct pool_infos *pool = &pools[work->pooln];
json_t *val;
if (opt_debug_threads)
applog(LOG_DEBUG, "%s: want_longpoll=%d have_longpoll=%d",
__func__, want_longpoll, have_longpoll);
gettimeofday(&tv_start, NULL);
/* want_longpoll/have_longpoll required here to init/unlock the lp thread */
val = json_rpc_call_pool(curl, pool, rpc_req, want_longpoll, have_longpoll, NULL);
gettimeofday(&tv_end, NULL);
if (have_stratum || unlikely(work->pooln != cur_pooln)) {
if (val)
json_decref(val);
return false;
}
if (!val)
return false;
rc = work_decode(json_object_get(val, "result"), work);
if (opt_protocol && rc) {
timeval_subtract(&diff, &tv_end, &tv_start);
/* show time because curl can be slower against versions/config */
applog(LOG_DEBUG, "got new work in %.2f ms",
(1000.0 * diff.tv_sec) + (0.001 * diff.tv_usec));
}
json_decref(val);
get_mininginfo(curl, work);
get_blocktemplate(curl, work);
return rc;
}
static void workio_cmd_free(struct workio_cmd *wc)
{
if (!wc)
return;
switch (wc->cmd) {
case WC_SUBMIT_WORK:
aligned_free(wc->u.work);
break;
default: /* do nothing */
break;
}
memset(wc, 0, sizeof(*wc)); /* poison */
free(wc);
}
static void workio_abort()
{
struct workio_cmd *wc;
/* fill out work request message */
wc = (struct workio_cmd *)calloc(1, sizeof(*wc));
if (!wc)
return;
wc->cmd = WC_ABORT;
/* send work request to workio thread */
if (!tq_push(thr_info[work_thr_id].q, wc)) {
workio_cmd_free(wc);
}
}
static bool workio_get_work(struct workio_cmd *wc, CURL *curl)
{
struct work *ret_work;
int failures = 0;
ret_work = (struct work*)aligned_calloc(sizeof(struct work));
if (!ret_work)
return false;
/* assign pool number before rpc calls */
ret_work->pooln = wc->pooln;
// applog(LOG_DEBUG, "%s: pool %d", __func__, wc->pooln);
/* obtain new work from bitcoin via JSON-RPC */
while (!get_upstream_work(curl, ret_work)) {
if (unlikely(ret_work->pooln != cur_pooln)) {
applog(LOG_ERR, "get_work json_rpc_call failed");
aligned_free(ret_work);
tq_push(wc->thr->q, NULL);
return true;
}
if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) {
applog(LOG_ERR, "get_work json_rpc_call failed");
aligned_free(ret_work);
return false;
}
/* pause, then restart work-request loop */
applog(LOG_ERR, "get_work failed, retry after %d seconds",
opt_fail_pause);
sleep(opt_fail_pause);
}
/* send work to requesting thread */
if (!tq_push(wc->thr->q, ret_work))
aligned_free(ret_work);
return true;
}
static bool workio_submit_work(struct workio_cmd *wc, CURL *curl)
{
int failures = 0;
uint32_t pooln = wc->pooln;
// applog(LOG_DEBUG, "%s: pool %d", __func__, wc->pooln);
/* submit solution to bitcoin via JSON-RPC */
while (!submit_upstream_work(curl, wc->u.work)) {
if (pooln != cur_pooln) {
applog(LOG_DEBUG, "work from pool %u discarded", pooln);
return true;
}
if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) {
applog(LOG_ERR, "...terminating workio thread");
return false;
}
/* pause, then restart work-request loop */
if (!opt_benchmark)
applog(LOG_ERR, "...retry after %d seconds", opt_fail_pause);
sleep(opt_fail_pause);
}
return true;
}
static void *workio_thread(void *userdata)
{
struct thr_info *mythr = (struct thr_info*)userdata;
CURL *curl;
bool ok = true;
curl = curl_easy_init();
if (unlikely(!curl)) {
applog(LOG_ERR, "CURL initialization failed");
return NULL;
}
while (ok) {
struct workio_cmd *wc;
/* wait for workio_cmd sent to us, on our queue */
wc = (struct workio_cmd *)tq_pop(mythr->q, NULL);
if (!wc) {
ok = false;
break;
}
/* process workio_cmd */
switch (wc->cmd) {
case WC_GET_WORK:
ok = workio_get_work(wc, curl);
break;
case WC_SUBMIT_WORK:
ok = workio_submit_work(wc, curl);
break;
case WC_ABORT:
default: /* should never happen */
ok = false;
break;
}
if (!ok && num_pools > 1 && opt_pool_failover) {
if (opt_debug_threads)
applog(LOG_DEBUG, "%s died, failover", __func__);
ok = pool_switch_next();
tq_push(wc->thr->q, NULL); // get_work() will return false
}
workio_cmd_free(wc);
}
if (opt_debug_threads)
applog(LOG_DEBUG, "%s() died", __func__);
curl_easy_cleanup(curl);
tq_freeze(mythr->q);
return NULL;
}
bool get_work(struct thr_info *thr, struct work *work)
{
struct workio_cmd *wc;
struct work *work_heap;
if (opt_benchmark) {
memset(work->data, 0x55, 76);
//work->data[17] = swab32((uint32_t)time(NULL));
memset(work->data + 19, 0x00, 52);
work->data[20] = 0x80000000;
work->data[31] = 0x00000280;
memset(work->target, 0x00, sizeof(work->target));
return true;
}
/* fill out work request message */
wc = (struct workio_cmd *)calloc(1, sizeof(*wc));
if (!wc)
return false;
wc->cmd = WC_GET_WORK;
wc->thr = thr;
wc->pooln = cur_pooln;
/* send work request to workio thread */
if (!tq_push(thr_info[work_thr_id].q, wc)) {
workio_cmd_free(wc);
return false;
}
/* wait for response, a unit of work */
work_heap = (struct work *)tq_pop(thr->q, NULL);
if (!work_heap)
return false;
/* copy returned work into storage provided by caller */
memcpy(work, work_heap, sizeof(*work));
aligned_free(work_heap);
return true;
}
static bool submit_work(struct thr_info *thr, const struct work *work_in)
{
struct workio_cmd *wc;
/* fill out work request message */
wc = (struct workio_cmd *)calloc(1, sizeof(*wc));
if (!wc)
return false;
wc->u.work = (struct work *)aligned_calloc(sizeof(*work_in));
if (!wc->u.work)
goto err_out;
wc->cmd = WC_SUBMIT_WORK;
wc->thr = thr;
memcpy(wc->u.work, work_in, sizeof(struct work));
wc->pooln = work_in->pooln;
/* send solution to workio thread */
if (!tq_push(thr_info[work_thr_id].q, wc))
goto err_out;
return true;
err_out:
workio_cmd_free(wc);
return false;
}
static bool stratum_gen_work(struct stratum_ctx *sctx, struct work *work)
{
uchar merkle_root[64];
int i;
if (!sctx->job.job_id) {
// applog(LOG_WARNING, "stratum_gen_work: job not yet retrieved");
return false;
}
pthread_mutex_lock(&stratum_work_lock);
// store the job ntime as high part of jobid
snprintf(work->job_id, sizeof(work->job_id), "%07x %s",
be32dec(sctx->job.ntime) & 0xfffffff, sctx->job.job_id);
work->xnonce2_len = sctx->xnonce2_size;
memcpy(work->xnonce2, sctx->job.xnonce2, sctx->xnonce2_size);
// also store the bloc number
work->height = sctx->job.height;
// and the pool of the current stratum
work->pooln = sctx->pooln;
/* Generate merkle root */
switch (opt_algo) {
case ALGO_HEAVY:
case ALGO_MJOLLNIR:
heavycoin_hash(merkle_root, sctx->job.coinbase, (int)sctx->job.coinbase_size);
break;
case ALGO_FUGUE256:
case ALGO_GROESTL:
case ALGO_KECCAK:
case ALGO_BLAKECOIN:
SHA256((uchar*)sctx->job.coinbase, sctx->job.coinbase_size, (uchar*)merkle_root);
break;
default:
sha256d(merkle_root, sctx->job.coinbase, (int)sctx->job.coinbase_size);
}
for (i = 0; i < sctx->job.merkle_count; i++) {
memcpy(merkle_root + 32, sctx->job.merkle[i], 32);
if (opt_algo == ALGO_HEAVY || opt_algo == ALGO_MJOLLNIR)
heavycoin_hash(merkle_root, merkle_root, 64);
else
sha256d(merkle_root, merkle_root, 64);
}
/* Increment extranonce2 */
for (i = 0; i < (int)sctx->xnonce2_size && !++sctx->job.xnonce2[i]; i++);
/* Assemble block header */
memset(work->data, 0, sizeof(work->data));
work->data[0] = le32dec(sctx->job.version);
for (i = 0; i < 8; i++)
work->data[1 + i] = le32dec((uint32_t *)sctx->job.prevhash + i);
for (i = 0; i < 8; i++)
work->data[9 + i] = be32dec((uint32_t *)merkle_root + i);
work->data[17] = le32dec(sctx->job.ntime);
work->data[18] = le32dec(sctx->job.nbits);
if (opt_max_diff > 0.)
calc_network_diff(work);
switch (opt_algo) {
case ALGO_MJOLLNIR:
case ALGO_HEAVY:
case ALGO_ZR5:
for (i = 0; i < 20; i++)
work->data[i] = swab32(work->data[i]);
break;
}
work->data[20] = 0x80000000;
work->data[31] = (opt_algo == ALGO_MJOLLNIR) ? 0x000002A0 : 0x00000280;
// HeavyCoin (vote / reward)
if (opt_algo == ALGO_HEAVY) {
work->maxvote = 2048;
uint16_t *ext = (uint16_t*)(&work->data[20]);
ext[0] = opt_vote;
ext[1] = be16dec(sctx->job.nreward);
// applog(LOG_DEBUG, "DEBUG: vote=%hx reward=%hx", ext[0], ext[1]);
}
pthread_mutex_unlock(&stratum_work_lock);
if (opt_debug) {
uint32_t utm = work->data[17];
if (opt_algo != ALGO_ZR5) utm = swab32(utm);
char *tm = atime2str(utm - sctx->srvtime_diff);
char *xnonce2str = bin2hex(work->xnonce2, sctx->xnonce2_size);
applog(LOG_DEBUG, "DEBUG: job_id=%s xnonce2=%s time=%s",
work->job_id, xnonce2str, tm);
free(tm);
free(xnonce2str);
}
if (opt_difficulty == 0.)
opt_difficulty = 1.;
switch (opt_algo) {
case ALGO_JACKPOT:
case ALGO_NEOSCRYPT:
case ALGO_PLUCK:
case ALGO_SCRYPT:
case ALGO_SCRYPT_JANE:
diff_to_target(work->target, sctx->job.diff / (65536.0 * opt_difficulty));
break;
case ALGO_DMD_GR:
case ALGO_FRESH:
case ALGO_FUGUE256:
case ALGO_GROESTL:
diff_to_target(work->target, sctx->job.diff / (256.0 * opt_difficulty));
break;
case ALGO_KECCAK:
case ALGO_LYRA2:
diff_to_target(work->target, sctx->job.diff / (128.0 * opt_difficulty));
break;
default:
diff_to_target(work->target, sctx->job.diff / opt_difficulty);
}
return true;
}
void restart_threads(void)
{
if (opt_debug && !opt_quiet)
applog(LOG_DEBUG,"%s", __FUNCTION__);
for (int i = 0; i < opt_n_threads; i++)
work_restart[i].restart = 1;
}
static bool wanna_mine(int thr_id)
{
bool state = true;
bool allow_pool_rotate = (thr_id == 0 && num_pools > 1 && !pool_is_switching);
if (opt_max_temp > 0.0) {
#ifdef USE_WRAPNVML
struct cgpu_info * cgpu = &thr_info[thr_id].gpu;
float temp = gpu_temp(cgpu);
if (temp > opt_max_temp) {
if (!conditional_state[thr_id] && !opt_quiet)
applog(LOG_INFO, "GPU #%d: temperature too high (%.0f°c), waiting...",
device_map[thr_id], temp);
state = false;
}
#endif
}
if (opt_max_diff > 0.0 && net_diff > opt_max_diff) {
int next = pool_get_first_valid(cur_pooln+1);
if (num_pools > 1 && pools[next].max_diff != pools[cur_pooln].max_diff)
conditional_pool_rotate = allow_pool_rotate;
if (!thr_id && !conditional_state[thr_id] && !opt_quiet)
applog(LOG_INFO, "network diff too high, waiting...");
state = false;
}
if (opt_max_rate > 0.0 && net_hashrate > opt_max_rate) {
int next = pool_get_first_valid(cur_pooln+1);
if (pools[next].max_rate != pools[cur_pooln].max_rate)
conditional_pool_rotate = allow_pool_rotate;
if (!thr_id && !conditional_state[thr_id] && !opt_quiet) {
char rate[32];
format_hashrate(opt_max_rate, rate);
applog(LOG_INFO, "network hashrate too high, waiting %s...", rate);
}
state = false;
}
conditional_state[thr_id] = (uint8_t) !state;
return state;
}
static void *miner_thread(void *userdata)
{
struct thr_info *mythr = (struct thr_info *)userdata;
int switchn = pool_switch_count;
int thr_id = mythr->id;
struct work work;
uint32_t max_nonce;
uint32_t end_nonce = UINT32_MAX / opt_n_threads * (thr_id + 1) - (thr_id + 1);
bool work_done = false;
bool extrajob = false;
char s[16];
int rc = 0;
memset(&work, 0, sizeof(work)); // prevent work from being used uninitialized
if (opt_priority > 0) {
int prio = 2; // default to normal
#ifndef WIN32
prio = 0;
// note: different behavior on linux (-19 to 19)
switch (opt_priority) {
case 0:
prio = 15;
break;
case 1:
prio = 5;
break;
case 2:
prio = 0; // normal process
break;
case 3:
prio = -1; // above
break;
case 4:
prio = -10;
break;
case 5:
prio = -15;
}
if (opt_debug)
applog(LOG_DEBUG, "Thread %d priority %d (nice %d)",
thr_id, opt_priority, prio);
#endif
setpriority(PRIO_PROCESS, 0, prio);
drop_policy();
}
/* Cpu thread affinity */
if (num_cpus > 1) {
if (opt_affinity == -1 && opt_n_threads > 1) {
if (opt_debug)
applog(LOG_DEBUG, "Binding thread %d to cpu %d (mask %x)", thr_id,
thr_id % num_cpus, (1 << (thr_id % num_cpus)));
affine_to_cpu_mask(thr_id, 1 << (thr_id % num_cpus));
} else if (opt_affinity != -1) {
if (opt_debug)
applog(LOG_DEBUG, "Binding thread %d to cpu mask %x", thr_id,
opt_affinity);
affine_to_cpu_mask(thr_id, opt_affinity);
}
}
while (1) {
struct timeval tv_start, tv_end, diff;
unsigned long hashes_done;
uint32_t start_nonce;
uint32_t scan_time = have_longpoll ? LP_SCANTIME : opt_scantime;
uint64_t max64, minmax = 0x100000;
// &work.data[19]
int wcmplen = 76;
int wcmpoft = 0;
uint32_t *nonceptr = (uint32_t*) (((char*)work.data) + wcmplen);
if (have_stratum) {
uint32_t sleeptime = 0;
while (!work_done && time(NULL) >= (g_work_time + opt_scantime)) {
usleep(100*1000);
if (sleeptime > 4) {
extrajob = true;
break;
}
sleeptime++;
}
if (sleeptime && opt_debug && !opt_quiet)
applog(LOG_DEBUG, "sleeptime: %u ms", sleeptime*100);
nonceptr = (uint32_t*) (((char*)work.data) + wcmplen);
pthread_mutex_lock(&g_work_lock);
extrajob |= work_done;
if (nonceptr[0] >= end_nonce || extrajob) {
work_done = false;
extrajob = false;
if (stratum_gen_work(&stratum, &g_work))
g_work_time = time(NULL);
}
} else {
uint32_t secs = 0;
pthread_mutex_lock(&g_work_lock);
secs = (uint32_t) (time(NULL) - g_work_time);
if (secs >= scan_time || nonceptr[0] >= (end_nonce - 0x100)) {
if (opt_debug && g_work_time && !opt_quiet)
applog(LOG_DEBUG, "work time %u/%us nonce %x/%x", secs, scan_time, nonceptr[0], end_nonce);
/* obtain new work from internal workio thread */
if (unlikely(!get_work(mythr, &g_work))) {
pthread_mutex_unlock(&g_work_lock);
if (switchn != pool_switch_count) {
switchn = pool_switch_count;
continue;
} else {
applog(LOG_ERR, "work retrieval failed, exiting mining thread %d", mythr->id);
goto out;
}
}
g_work_time = time(NULL);
}
}
if (!opt_benchmark && (g_work.height != work.height || memcmp(work.target, g_work.target, sizeof(work.target))))
{
calc_target_diff(&g_work);
if (opt_debug) {
uint64_t target64 = g_work.target[7] * 0x100000000ULL + g_work.target[6];
applog(LOG_DEBUG, "job %s target change: %llx (%.1f)", g_work.job_id, target64, g_work.difficulty);
}
memcpy(work.target, g_work.target, sizeof(work.target));
work.difficulty = g_work.difficulty;
work.height = g_work.height;
//nonceptr[0] = (UINT32_MAX / opt_n_threads) * thr_id; // 0 if single thr
}
if (opt_algo == ALGO_ZR5) {
// ignore pok/version header
wcmpoft = 1;
wcmplen -= 4;
}
if (memcmp(&work.data[wcmpoft], &g_work.data[wcmpoft], wcmplen)) {
#if 0
if (opt_debug) {
for (int n=0; n <= (wcmplen-8); n+=8) {
if (memcmp(work.data + n, g_work.data + n, 8)) {
applog(LOG_DEBUG, "job %s work updated at offset %d:", g_work.job_id, n);
applog_hash((uchar*) &work.data[n]);
applog_compare_hash((uchar*) &g_work.data[n], (uchar*) &work.data[n]);
}
}
}
#endif
memcpy(&work, &g_work, sizeof(struct work));
nonceptr[0] = (UINT32_MAX / opt_n_threads) * thr_id; // 0 if single thr
} else
nonceptr[0]++; //??
pthread_mutex_unlock(&g_work_lock);
/* prevent gpu scans before a job is received */
if (have_stratum && work.data[0] == 0 && !opt_benchmark) {
sleep(1);
if (!thr_id) pools[cur_pooln].wait_time += 1;
continue;
}
/* conditional mining */
if (!wanna_mine(thr_id)) {
// conditional pool switch
if (num_pools > 1 && conditional_pool_rotate) {
if (!pool_is_switching)
pool_switch_next();
else if (time(NULL) - firstwork_time > 35) {
if (!opt_quiet)
applog(LOG_WARNING, "Pool switching timed out...");
if (!thr_id) pools[cur_pooln].wait_time += 1;
pool_is_switching = false;
}
sleep(1);
continue;
}
sleep(5);
if (!thr_id) pools[cur_pooln].wait_time += 5;
continue;
}
work_restart[thr_id].restart = 0;
/* adjust max_nonce to meet target scan time */
if (have_stratum)
max64 = LP_SCANTIME;
else
max64 = max(1, (int64_t) scan_time + g_work_time - time(NULL));
/* time limit */
if (opt_time_limit > 0 && firstwork_time) {
int passed = (int)(time(NULL) - firstwork_time);
int remain = (int)(opt_time_limit - passed);
if (remain < 0) {
if (thr_id != 0) {
sleep(1);
continue;
}
if (num_pools > 1 && pools[cur_pooln].time_limit > 0) {
if (!pool_is_switching) {
if (!opt_quiet)
applog(LOG_INFO, "Pool mining timeout of %ds reached, rotate...", opt_time_limit);
pool_switch_next();
} else if (passed > 35) {
// ensure we dont stay locked if pool_is_switching is not reset...
applog(LOG_WARNING, "Pool switch to %d timed out...", cur_pooln);
if (!thr_id) pools[cur_pooln].wait_time += 1;
pool_is_switching = false;
}
sleep(1);
continue;
}
app_exit_code = EXIT_CODE_TIME_LIMIT;
abort_flag = true;
if (opt_benchmark) {
char rate[32];
format_hashrate((double)global_hashrate, rate);
applog(LOG_NOTICE, "Benchmark: %s", rate);
usleep(200*1000);
fprintf(stderr, "%llu\n", (long long unsigned int) global_hashrate);
} else {
applog(LOG_NOTICE,
"Mining timeout of %ds reached, exiting...", opt_time_limit);
}
workio_abort();
break;
}
if (remain < max64) max64 = remain;
}
max64 *= (uint32_t)thr_hashrates[thr_id];
/* on start, max64 should not be 0,
* before hashrate is computed */
if (max64 < minmax) {
switch (opt_algo) {
case ALGO_BLAKECOIN:
case ALGO_BLAKE:
minmax = 0x80000000U;
break;
case ALGO_KECCAK:
minmax = 0x40000000U;
break;
case ALGO_JACKPOT:
case ALGO_LUFFA:
minmax = 0x2000000;
break;
case ALGO_S3:
case ALGO_X11:
case ALGO_X13:
minmax = 0x400000;
break;
case ALGO_LYRA2:
case ALGO_NEOSCRYPT:
case ALGO_SCRYPT:
case ALGO_SCRYPT_JANE:
minmax = 0x100000;
break;
case ALGO_PLUCK:
minmax = 0x2000;
break;
}
max64 = max(minmax-1, max64);
}
// we can't scan more than uint32 capacity
max64 = min(UINT32_MAX, max64);
start_nonce = nonceptr[0];
/* never let small ranges at end */
if (end_nonce >= UINT32_MAX - 256)
end_nonce = UINT32_MAX;
if ((max64 + start_nonce) >= end_nonce)
max_nonce = end_nonce;
else
max_nonce = (uint32_t) (max64 + start_nonce);
// todo: keep it rounded for gpu threads ?
if (unlikely(start_nonce > max_nonce)) {
// should not happen but seen in skein2 benchmark with 2 gpus
max_nonce = end_nonce = UINT32_MAX;
}
work.scanned_from = start_nonce;
nonceptr[0] = start_nonce;
if (opt_debug)
applog(LOG_DEBUG, "GPU #%d: start=%08x end=%08x range=%08x",
device_map[thr_id], start_nonce, max_nonce, (max_nonce-start_nonce));
hashes_done = 0;
gettimeofday(&tv_start, NULL);
/* scan nonces for a proof-of-work hash */
switch (opt_algo) {
case ALGO_HEAVY:
rc = scanhash_heavy(thr_id, work.data, work.target,
max_nonce, &hashes_done, work.maxvote, HEAVYCOIN_BLKHDR_SZ);
break;
case ALGO_KECCAK:
rc = scanhash_keccak256(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_MJOLLNIR:
rc = scanhash_heavy(thr_id, work.data, work.target,
max_nonce, &hashes_done, 0, MNR_BLKHDR_SZ);
break;
case ALGO_DEEP:
rc = scanhash_deep(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_LUFFA:
rc = scanhash_luffa(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_FUGUE256:
rc = scanhash_fugue256(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_GROESTL:
case ALGO_DMD_GR:
rc = scanhash_groestlcoin(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_MYR_GR:
rc = scanhash_myriad(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_JACKPOT:
rc = scanhash_jackpot(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_QUARK:
rc = scanhash_quark(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_QUBIT:
rc = scanhash_qubit(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_ANIME:
rc = scanhash_anime(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_BLAKECOIN:
rc = scanhash_blake256(thr_id, work.data, work.target,
max_nonce, &hashes_done, 8);
break;
case ALGO_BLAKE:
rc = scanhash_blake256(thr_id, work.data, work.target,
max_nonce, &hashes_done, 14);
break;
case ALGO_FRESH:
rc = scanhash_fresh(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_LYRA2:
rc = scanhash_lyra2(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_NEOSCRYPT:
rc = scanhash_neoscrypt(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_NIST5:
rc = scanhash_nist5(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_PENTABLAKE:
rc = scanhash_pentablake(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_PLUCK:
rc = scanhash_pluck(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_SCRYPT:
rc = scanhash_scrypt(thr_id, work.data, work.target, NULL,
max_nonce, &hashes_done, &tv_start, &tv_end);
break;
case ALGO_SCRYPT_JANE:
rc = scanhash_scrypt_jane(thr_id, work.data, work.target, NULL,
max_nonce, &hashes_done, &tv_start, &tv_end);
break;
case ALGO_SKEIN:
rc = scanhash_skeincoin(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_SKEIN2:
rc = scanhash_skein2(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_S3:
rc = scanhash_s3(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_X11:
rc = scanhash_x11(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_X13:
rc = scanhash_x13(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_X14:
rc = scanhash_x14(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_X15:
rc = scanhash_x15(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_X17:
rc = scanhash_x17(thr_id, work.data, work.target,
max_nonce, &hashes_done);
break;
case ALGO_ZR5:
rc = scanhash_zr5(thr_id, &work, max_nonce, &hashes_done);
break;
default:
/* should never happen */
goto out;
}
if (abort_flag)
break; // time to leave the mining loop...
if (work_restart[thr_id].restart)
continue;
/* record scanhash elapsed time */
gettimeofday(&tv_end, NULL);
if (rc > 0 && opt_debug)
applog(LOG_NOTICE, CL_CYN "found => %08x" CL_GRN " %08x", nonceptr[0], swab32(nonceptr[0])); // data[19]
if (rc > 1 && opt_debug)
applog(LOG_NOTICE, CL_CYN "found => %08x" CL_GRN " %08x", nonceptr[2], swab32(nonceptr[2])); // data[21]
timeval_subtract(&diff, &tv_end, &tv_start);
if (diff.tv_usec || diff.tv_sec) {
double dtime = (double) diff.tv_sec + 1e-6 * diff.tv_usec;
/* hashrate factors for some algos */
double rate_factor = 1.0;
switch (opt_algo) {
case ALGO_JACKPOT:
case ALGO_QUARK:
// to stay comparable to other ccminer forks or pools
rate_factor = 0.5;
break;
}
/* store thread hashrate */
if (dtime > 0.0) {
pthread_mutex_lock(&stats_lock);
thr_hashrates[thr_id] = hashes_done / dtime;
thr_hashrates[thr_id] *= rate_factor;
stats_remember_speed(thr_id, hashes_done, thr_hashrates[thr_id], (uint8_t) rc, work.height);
pthread_mutex_unlock(&stats_lock);
}
}
if (rc > 1)
work.scanned_to = nonceptr[2];
else if (rc > 0)
work.scanned_to = nonceptr[0];
else {
work.scanned_to = max_nonce;
if (opt_debug && opt_benchmark) {
// to debug nonce ranges
applog(LOG_DEBUG, "GPU #%d: ends=%08x range=%llx", device_map[thr_id],
nonceptr[0], (nonceptr[0] - start_nonce));
}
}
if (check_dups)
hashlog_remember_scan_range(&work);
/* output */
if (!opt_quiet && firstwork_time) {
format_hashrate(thr_hashrates[thr_id], s);
applog(LOG_INFO, "GPU #%d: %s, %s",
device_map[thr_id], device_name[device_map[thr_id]], s);
}
/* ignore first loop hashrate */
if (firstwork_time && thr_id == (opt_n_threads - 1)) {
double hashrate = 0.;
pthread_mutex_lock(&stats_lock);
for (int i = 0; i < opt_n_threads && thr_hashrates[i]; i++)
hashrate += stats_get_speed(i, thr_hashrates[i]);
pthread_mutex_unlock(&stats_lock);
if (opt_benchmark) {
format_hashrate(hashrate, s);
applog(LOG_NOTICE, "Total: %s", s);
}
// since pool start
pools[cur_pooln].work_time = (uint32_t) (time(NULL) - firstwork_time);
// X-Mining-Hashrate
global_hashrate = llround(hashrate);
}
if (firstwork_time == 0)
firstwork_time = time(NULL);
/* if nonce found, submit work */
if (rc > 0 && !opt_benchmark) {
if (!submit_work(mythr, &work))
break;
// prevent stale work in solo
// we can't submit twice a block!
if (!have_stratum && !have_longpoll) {
pthread_mutex_lock(&g_work_lock);
// will force getwork
g_work_time = 0;
pthread_mutex_unlock(&g_work_lock);
continue;
}
// second nonce found, submit too (on pool only!)
if (rc > 1 && work.data[21]) {
work.data[19] = work.data[21];
work.data[21] = 0;
if (opt_algo == ALGO_ZR5) {
// todo: use + 4..6 index for pok to allow multiple nonces
work.data[0] = work.data[22]; // pok
work.data[22] = 0;
}
if (!submit_work(mythr, &work))
break;
}
}
}
out:
if (opt_debug_threads)
applog(LOG_DEBUG, "%s() died", __func__);
tq_freeze(mythr->q);
return NULL;
}
static void *longpoll_thread(void *userdata)
{
struct thr_info *mythr = (struct thr_info *)userdata;
struct pool_infos *pool;
CURL *curl = NULL;
char *hdr_path = NULL, *lp_url = NULL;
bool need_slash = false;
int pooln, switchn;
curl = curl_easy_init();
if (unlikely(!curl)) {
applog(LOG_ERR, "%s() CURL init failed", __func__);
goto out;
}
wait_lp_url:
hdr_path = (char*)tq_pop(mythr->q, NULL); // wait /LP url
if (!hdr_path)
goto out;
if (!(pools[cur_pooln].type & POOL_STRATUM)) {
pooln = cur_pooln;
pool = &pools[pooln];
} else {
// hack...
have_stratum = true;
}
// to detect pool switch during loop
switchn = pool_switch_count;
/* full URL */
if (strstr(hdr_path, "://")) {
lp_url = hdr_path;
hdr_path = NULL;
}
/* absolute path, on current server */
else {
char *copy_start = (*hdr_path == '/') ? (hdr_path + 1) : hdr_path;
if (rpc_url[strlen(rpc_url) - 1] != '/')
need_slash = true;
lp_url = (char*)malloc(strlen(rpc_url) + strlen(copy_start) + 2);
if (!lp_url)
goto out;
sprintf(lp_url, "%s%s%s", rpc_url, need_slash ? "/" : "", copy_start);
}
if (!pool_is_switching)
applog(LOG_BLUE, "Long-polling on %s", lp_url);
pool_is_switching = false;
pool->type |= POOL_LONGPOLL;
longpoll_retry:
while (1) {
json_t *val = NULL, *soval;
int err = 0;
if (opt_debug_threads)
applog(LOG_DEBUG, "longpoll %d: %d count %d %d, switching=%d, have_stratum=%d",
pooln, cur_pooln, switchn, pool_switch_count, pool_is_switching, have_stratum);
// exit on pool switch
if (switchn != pool_switch_count)
goto need_reinit;
val = json_rpc_longpoll(curl, lp_url, pool, rpc_req, &err);
if (have_stratum || switchn != pool_switch_count) {
if (val)
json_decref(val);
goto need_reinit;
}
if (likely(val)) {
soval = json_object_get(json_object_get(val, "result"), "submitold");
submit_old = soval ? json_is_true(soval) : false;
pthread_mutex_lock(&g_work_lock);
if (work_decode(json_object_get(val, "result"), &g_work)) {
restart_threads();
if (!opt_quiet) {
char netinfo[64] = { 0 };
if (net_diff > 0.) {
sprintf(netinfo, ", diff %.2f", net_diff);
}
applog(LOG_BLUE, "%s detected new block%s", short_url, netinfo);
}
g_work_time = time(NULL);
}
pthread_mutex_unlock(&g_work_lock);
json_decref(val);
} else {
// to check...
g_work_time = 0;
if (err != CURLE_OPERATION_TIMEDOUT) {
if (opt_debug_threads) applog(LOG_DEBUG, "%s() err %d, retry in %s seconds",
__func__, err, opt_fail_pause);
sleep(opt_fail_pause);
goto longpoll_retry;
}
}
}
out:
have_longpoll = false;
if (opt_debug_threads)
applog(LOG_DEBUG, "%s() died", __func__);
free(hdr_path);
free(lp_url);
tq_freeze(mythr->q);
if (curl)
curl_easy_cleanup(curl);
return NULL;
need_reinit:
/* this thread should not die to allow pool switch */
have_longpoll = false;
if (opt_debug_threads)
applog(LOG_DEBUG, "%s() reinit...", __func__);
if (hdr_path) free(hdr_path); hdr_path = NULL;
if (lp_url) free(lp_url); lp_url = NULL;
goto wait_lp_url;
}
static bool stratum_handle_response(char *buf)
{
json_t *val, *err_val, *res_val, *id_val;
json_error_t err;
struct timeval tv_answer, diff;
bool ret = false;
val = JSON_LOADS(buf, &err);
if (!val) {
applog(LOG_INFO, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
id_val = json_object_get(val, "id");
if (!id_val || json_is_null(id_val) || !res_val)
goto out;
// ignore subscribe late answer (yaamp)
if (json_integer_value(id_val) < 4)
goto out;
gettimeofday(&tv_answer, NULL);
timeval_subtract(&diff, &tv_answer, &stratum.tv_submit);
// store time required to the pool to answer to a submit
stratum.answer_msec = (1000 * diff.tv_sec) + (uint32_t) (0.001 * diff.tv_usec);
share_result(json_is_true(res_val), stratum.pooln,
err_val ? json_string_value(json_array_get(err_val, 1)) : NULL);
ret = true;
out:
if (val)
json_decref(val);
return ret;
}
static void *stratum_thread(void *userdata)
{
struct thr_info *mythr = (struct thr_info *)userdata;
struct pool_infos *pool;
stratum_ctx *ctx = &stratum;
int pooln, switchn;
char *s;
wait_stratum_url:
stratum.url = (char*)tq_pop(mythr->q, NULL);
if (!stratum.url)
goto out;
if (!pool_is_switching)
applog(LOG_BLUE, "Starting on %s", stratum.url);
ctx->pooln = pooln = cur_pooln;
switchn = pool_switch_count;
pool = &pools[pooln];
pool_is_switching = false;
stratum_need_reset = false;
while (1) {
int failures = 0;
if (stratum_need_reset) {
stratum_need_reset = false;
if (stratum.url)
stratum_disconnect(&stratum);
else
stratum.url = strdup(pool->url); // may be useless
}
while (!stratum.curl) {
pthread_mutex_lock(&g_work_lock);
g_work_time = 0;
g_work.data[0] = 0;
pthread_mutex_unlock(&g_work_lock);
restart_threads();
if (!stratum_connect(&stratum, pool->url) ||
!stratum_subscribe(&stratum) ||
!stratum_authorize(&stratum, pool->user, pool->pass))
{
stratum_disconnect(&stratum);
if (opt_retries >= 0 && ++failures > opt_retries) {
if (num_pools > 1 && opt_pool_failover) {
applog(LOG_WARNING, "Stratum connect timeout, failover...");
pool_switch_next();
} else {
applog(LOG_ERR, "...terminating workio thread");
//tq_push(thr_info[work_thr_id].q, NULL);
workio_abort();
goto out;
}
}
if (switchn != pool_switch_count)
goto pool_switched;
if (!opt_benchmark)
applog(LOG_ERR, "...retry after %d seconds", opt_fail_pause);
sleep(opt_fail_pause);
}
}
if (switchn != pool_switch_count) goto pool_switched;
if (stratum.job.job_id &&
(!g_work_time || strncmp(stratum.job.job_id, g_work.job_id + 8, 120))) {
pthread_mutex_lock(&g_work_lock);
if (stratum_gen_work(&stratum, &g_work))
g_work_time = time(NULL);
if (stratum.job.clean) {
if (!opt_quiet) {
if (net_diff > 0.)
applog(LOG_BLUE, "%s block %d, diff %.2f", algo_names[opt_algo],
stratum.job.height, net_diff);
else
applog(LOG_BLUE, "%s %s block %d", pool->short_url, algo_names[opt_algo],
stratum.job.height);
}
restart_threads();
if (check_dups)
hashlog_purge_old();
stats_purge_old();
} else if (opt_debug && !opt_quiet) {
applog(LOG_BLUE, "%s asks job %d for block %d", pool->short_url,
strtoul(stratum.job.job_id, NULL, 16), stratum.job.height);
}
pthread_mutex_unlock(&g_work_lock);
}
// check we are on the right pool
if (switchn != pool_switch_count) goto pool_switched;
if (!stratum_socket_full(&stratum, opt_timeout)) {
if (opt_debug)
applog(LOG_WARNING, "Stratum connection timed out");
s = NULL;
} else
s = stratum_recv_line(&stratum);
// double check we are on the right pool
if (switchn != pool_switch_count) goto pool_switched;
if (!s) {
stratum_disconnect(&stratum);
applog(LOG_WARNING, "Stratum connection interrupted");
continue;
}
if (!stratum_handle_method(&stratum, s))
stratum_handle_response(s);
free(s);
}
out:
if (opt_debug_threads)
applog(LOG_DEBUG, "%s() died", __func__);
return NULL;
pool_switched:
/* this thread should not die on pool switch */
stratum_disconnect(&(pools[pooln].stratum));
if (stratum.url) free(stratum.url); stratum.url = NULL;
if (opt_debug_threads)
applog(LOG_DEBUG, "%s() reinit...", __func__);
goto wait_stratum_url;
}
static void show_version_and_exit(void)
{
printf("%s v%s\n"
#ifdef WIN32
"pthreads static %s\n"
#endif
"%s\n",
PACKAGE_NAME, PACKAGE_VERSION,
#ifdef WIN32
PTW32_VERSION_STRING,
#endif
curl_version());
proper_exit(EXIT_CODE_OK);
}
static void show_usage_and_exit(int status)
{
if (status)
fprintf(stderr, "Try `" PROGRAM_NAME " --help' for more information.\n");
else
printf(usage);
if (opt_algo == ALGO_SCRYPT || opt_algo == ALGO_SCRYPT_JANE) {
printf(scrypt_usage);
}
proper_exit(status);
}
void parse_arg(int key, char *arg)
{
char *p = arg;
int v, i;
double d;
switch(key) {
case 'a': /* --algo */
p = strstr(arg, ":"); // optional factor
if (p) *p = '\0';
for (i = 0; i < ARRAY_SIZE(algo_names); i++) {
if (algo_names[i] && !strcasecmp(arg, algo_names[i])) {
opt_algo = (enum sha_algos)i;
break;
}
}
if (i == ARRAY_SIZE(algo_names)) {
// some aliases...
if (!strcasecmp("diamond", arg))
i = opt_algo = ALGO_DMD_GR;
if (!strcasecmp("doom", arg))
i = opt_algo = ALGO_LUFFA;
else if (!strcasecmp("ziftr", arg))
i = opt_algo = ALGO_ZR5;
else
applog(LOG_ERR, "Unknown algo parameter '%s'", arg);
}
if (i == ARRAY_SIZE(algo_names))
show_usage_and_exit(1);
if (p) {
opt_nfactor = atoi(p + 1);
if (opt_algo == ALGO_SCRYPT_JANE) {
free(jane_params);
jane_params = strdup(p+1);
}
}
if (!opt_nfactor) {
switch (opt_algo) {
case ALGO_SCRYPT: opt_nfactor = 9; break;
case ALGO_SCRYPT_JANE: opt_nfactor = 14; break;
}
}
break;
case 'b':
p = strstr(arg, ":");
if (p) {
/* ip:port */
if (p - arg > 0) {
free(opt_api_allow);
opt_api_allow = strdup(arg);
opt_api_allow[p - arg] = '\0';
}
opt_api_listen = atoi(p + 1);
}
else if (arg && strstr(arg, ".")) {
/* ip only */
free(opt_api_allow);
opt_api_allow = strdup(arg);
}
else if (arg) {
/* port or 0 to disable */
opt_api_listen = atoi(arg);
}
break;
case 1030: /* --api-remote */
opt_api_remote = 1;
break;
case 'B':
opt_background = true;
break;
case 'c': {
json_error_t err;
if (opt_config)
json_decref(opt_config);
#if JANSSON_VERSION_HEX >= 0x020000
opt_config = json_load_file(arg, 0, &err);
#else
opt_config = json_load_file(arg, &err);
#endif
if (!json_is_object(opt_config)) {
applog(LOG_ERR, "JSON decode of %s failed", arg);
proper_exit(EXIT_CODE_USAGE);
}
break;
}
case 'i':
d = atof(arg);
v = (uint32_t) d;
if (v < 0 || v > 31)
show_usage_and_exit(1);
{
int n = 0;
int ngpus = cuda_num_devices();
uint32_t last = 0;
char * pch = strtok(arg,",");
while (pch != NULL) {
d = atof(pch);
v = (uint32_t) d;
if (v > 7) { /* 0 = default */
if ((d - v) > 0.0) {
uint32_t adds = (uint32_t)floor((d - v) * (1 << (v - 8))) * 256;
gpus_intensity[n] = (1 << v) + adds;
applog(LOG_INFO, "Adding %u threads to intensity %u, %u cuda threads",
adds, v, gpus_intensity[n]);
}
else if (gpus_intensity[n] != (1 << v)) {
gpus_intensity[n] = (1 << v);
applog(LOG_INFO, "Intensity set to %u, %u cuda threads",
v, gpus_intensity[n]);
}
}
last = gpus_intensity[n];
n++;
pch = strtok(NULL, ",");
}
while (n < MAX_GPUS)
gpus_intensity[n++] = last;
}
break;
case 'D':
opt_debug = true;
break;
case 'N':
v = atoi(arg);
if (v < 1)
opt_statsavg = INT_MAX;
opt_statsavg = v;
break;
case 'n': /* --ndevs */
cuda_print_devices();
proper_exit(EXIT_CODE_OK);
break;
case 'q':
opt_quiet = true;
break;
case 'p':
free(rpc_pass);
rpc_pass = strdup(arg);
pool_set_creds(cur_pooln);
break;
case 'P':
opt_protocol = true;
break;
case 'r':
v = atoi(arg);
if (v < -1 || v > 9999) /* sanity check */
show_usage_and_exit(1);
opt_retries = v;
break;
case 'R':
v = atoi(arg);
if (v < 1 || v > 9999) /* sanity check */
show_usage_and_exit(1);
opt_fail_pause = v;
break;
case 's':
v = atoi(arg);
if (v < 1 || v > 9999) /* sanity check */
show_usage_and_exit(1);
opt_scantime = v;
break;
case 'T':
v = atoi(arg);
if (v < 1 || v > 99999) /* sanity check */
show_usage_and_exit(1);
opt_timeout = v;
break;
case 't':
v = atoi(arg);
if (v < 0 || v > 9999) /* sanity check */
show_usage_and_exit(1);
opt_n_threads = v;
break;
case 1022: // --vote
v = atoi(arg);
if (v < 0 || v > 8192) /* sanity check */
show_usage_and_exit(1);
opt_vote = (uint16_t)v;
break;
case 1023: // --trust-pool
opt_trust_pool = true;
break;
case 'u':
free(rpc_user);
rpc_user = strdup(arg);
pool_set_creds(cur_pooln);
break;
case 'o': /* --url */
if (pools[cur_pooln].type != POOL_UNUSED) {
// rotate pool pointer
cur_pooln = (cur_pooln + 1) % MAX_POOLS;
num_pools = max(cur_pooln+1, num_pools);
// change some defaults if multi pools
if (opt_retries == -1) opt_retries = 1;
if (opt_fail_pause == 30) opt_fail_pause = 5;
}
p = strstr(arg, "://");
if (p) {
if (strncasecmp(arg, "http://", 7) && strncasecmp(arg, "https://", 8) &&
strncasecmp(arg, "stratum+tcp://", 14))
show_usage_and_exit(1);
free(rpc_url);
rpc_url = strdup(arg);
short_url = &rpc_url[(p - arg) + 3];
} else {
if (!strlen(arg) || *arg == '/')
show_usage_and_exit(1);
free(rpc_url);
rpc_url = (char*)malloc(strlen(arg) + 8);
sprintf(rpc_url, "http://%s", arg);
short_url = &rpc_url[7];
}
p = strrchr(rpc_url, '@');
if (p) {
char *sp, *ap;
*p = '\0';
ap = strstr(rpc_url, "://") + 3;
sp = strchr(ap, ':');
if (sp && sp < p) {
free(rpc_user);
rpc_user = (char*)calloc(sp - ap + 1, 1);
strncpy(rpc_user, ap, sp - ap);
free(rpc_pass);
rpc_pass = strdup(sp + 1);
} else {
free(rpc_user);
rpc_user = strdup(ap);
}
// remove user[:pass]@ from rpc_url
memmove(ap, p + 1, strlen(p + 1) + 1);
// host:port only
short_url = ap;
}
have_stratum = !opt_benchmark && !strncasecmp(rpc_url, "stratum", 7);
pool_set_creds(cur_pooln);
break;
case 'O': /* --userpass */
p = strchr(arg, ':');
if (!p)
show_usage_and_exit(1);
free(rpc_user);
rpc_user = (char*)calloc(p - arg + 1, 1);
strncpy(rpc_user, arg, p - arg);
free(rpc_pass);
rpc_pass = strdup(p + 1);
pool_set_creds(cur_pooln);
break;
case 'x': /* --proxy */
if (!strncasecmp(arg, "socks4://", 9))
opt_proxy_type = CURLPROXY_SOCKS4;
else if (!strncasecmp(arg, "socks5://", 9))
opt_proxy_type = CURLPROXY_SOCKS5;
#if LIBCURL_VERSION_NUM >= 0x071200
else if (!strncasecmp(arg, "socks4a://", 10))
opt_proxy_type = CURLPROXY_SOCKS4A;
else if (!strncasecmp(arg, "socks5h://", 10))
opt_proxy_type = CURLPROXY_SOCKS5_HOSTNAME;
#endif
else
opt_proxy_type = CURLPROXY_HTTP;
free(opt_proxy);
opt_proxy = strdup(arg);
pool_set_creds(cur_pooln);
break;
case 1001:
free(opt_cert);
opt_cert = strdup(arg);
break;
case 1002:
use_colors = false;
break;
case 1004:
opt_autotune = false;
break;
case 'l': /* scrypt --launch-config */
{
char *last = NULL, *pch = strtok(arg,",");
int n = 0;
while (pch != NULL) {
device_config[n++] = last = strdup(pch);
pch = strtok(NULL, ",");
}
while (n < MAX_GPUS)
device_config[n++] = last;
}
break;
case 'L': /* scrypt --lookup-gap */
{
char *pch = strtok(arg,",");
int n = 0, last = atoi(arg);
while (pch != NULL) {
device_lookup_gap[n++] = last = atoi(pch);
pch = strtok(NULL, ",");
}
while (n < MAX_GPUS)
device_lookup_gap[n++] = last;
}
break;
case 1050: /* scrypt --interactive */
{
char *pch = strtok(arg,",");
int n = 0, last = atoi(arg);
while (pch != NULL) {
device_interactive[n++] = last = atoi(pch);
pch = strtok(NULL, ",");
}
while (n < MAX_GPUS)
device_interactive[n++] = last;
}
break;
case 1070: /* --gpu-clock */
{
char *pch = strtok(arg,",");
int n = 0;
while (pch != NULL && n < MAX_GPUS) {
int dev_id = device_map[n++];
device_gpu_clocks[dev_id] = atoi(pch);
pch = strtok(NULL, ",");
}
}
break;
case 1071: /* --mem-clock */
{
char *pch = strtok(arg,",");
int n = 0;
while (pch != NULL && n < MAX_GPUS) {
int dev_id = device_map[n++];
device_mem_clocks[dev_id] = atoi(pch);
pch = strtok(NULL, ",");
}
}
break;
case 1072: /* --pstate */
{
char *pch = strtok(arg,",");
int n = 0;
while (pch != NULL && n < MAX_GPUS) {
int dev_id = device_map[n++];
device_pstate[dev_id] = (int8_t) atoi(pch);
pch = strtok(NULL, ",");
}
}
break;
case 1073: /* --plimit */
{
char *pch = strtok(arg,",");
int n = 0;
while (pch != NULL && n < MAX_GPUS) {
int dev_id = device_map[n++];
device_plimit[dev_id] = atoi(pch);
pch = strtok(NULL, ",");
}
}
break;
case 1005:
opt_benchmark = true;
want_longpoll = false;
want_stratum = false;
have_stratum = false;
break;
case 1006:
print_hash_tests();
proper_exit(EXIT_CODE_OK);
break;
case 1003:
want_longpoll = false;
break;
case 1007:
want_stratum = false;
break;
case 1008:
opt_time_limit = atoi(arg);
break;
case 1011:
allow_gbt = false;
break;
case 'S':
case 1018:
applog(LOG_INFO, "Now logging to syslog...");
use_syslog = true;
if (arg && strlen(arg)) {
free(opt_syslog_pfx);
opt_syslog_pfx = strdup(arg);
}
break;
case 1020:
v = atoi(arg);
if (v < -1)
v = -1;
if (v > (1<<num_cpus)-1)
v = -1;
opt_affinity = v;
break;
case 1021:
v = atoi(arg);
if (v < 0 || v > 5) /* sanity check */
show_usage_and_exit(1);
opt_priority = v;
break;
case 1060: // max-temp
d = atof(arg);
opt_max_temp = d;
break;
case 1061: // max-diff
d = atof(arg);
opt_max_diff = d;
break;
case 1062: // max-rate
d = atof(arg);
p = strstr(arg, "K");
if (p) d *= 1e3;
p = strstr(arg, "M");
if (p) d *= 1e6;
p = strstr(arg, "G");
if (p) d *= 1e9;
opt_max_rate = d;
break;
case 'd': // CB
{
int ngpus = cuda_num_devices();
char * pch = strtok (arg,",");
opt_n_threads = 0;
while (pch != NULL) {
if (pch[0] >= '0' && pch[0] <= '9' && pch[1] == '\0')
{
if (atoi(pch) < ngpus)
device_map[opt_n_threads++] = atoi(pch);
else {
applog(LOG_ERR, "Non-existant CUDA device #%d specified in -d option", atoi(pch));
proper_exit(EXIT_CODE_CUDA_NODEVICE);
}
} else {
int device = cuda_finddevice(pch);
if (device >= 0 && device < ngpus)
device_map[opt_n_threads++] = device;
else {
applog(LOG_ERR, "Non-existant CUDA device '%s' specified in -d option", pch);
proper_exit(EXIT_CODE_CUDA_NODEVICE);
}
}
// set number of active gpus
active_gpus = opt_n_threads;
pch = strtok (NULL, ",");
}
}
break;
case 'f': // --diff-factor
d = atof(arg);
if (d <= 0.)
show_usage_and_exit(1);
opt_difficulty = d;
break;
case 'm': // --diff-multiplier
d = atof(arg);
if (d <= 0.)
show_usage_and_exit(1);
opt_difficulty = 1.0/d;
break;
/* PER POOL CONFIG OPTIONS */
case 1100: /* pool name */
pool_set_attr(cur_pooln, "name", arg);
break;
case 1101: /* pool removed */
pool_set_attr(cur_pooln, "removed", arg);
break;
case 1102: /* pool scantime */
pool_set_attr(cur_pooln, "scantime", arg);
break;
case 1108: /* pool time-limit */
pool_set_attr(cur_pooln, "time-limit", arg);
break;
case 1161: /* pool max-diff */
pool_set_attr(cur_pooln, "max-diff", arg);
break;
case 1162: /* pool max-rate */
pool_set_attr(cur_pooln, "max-rate", arg);
break;
case 'V':
show_version_and_exit();
case 'h':
show_usage_and_exit(0);
default:
show_usage_and_exit(1);
}
if (use_syslog)
use_colors = false;
}
void parse_config(json_t* json_obj)
{
int i;
json_t *val;
if (!json_is_object(json_obj))
return;
for (i = 0; i < ARRAY_SIZE(options); i++) {
if (!options[i].name)
break;
if (!strcasecmp(options[i].name, "config"))
continue;
val = json_object_get(json_obj, options[i].name);
if (!val)
continue;
if (options[i].has_arg && json_is_string(val)) {
char *s = strdup(json_string_value(val));
if (!s)
continue;
parse_arg(options[i].val, s);
free(s);
}
else if (options[i].has_arg && json_is_integer(val)) {
char buf[16];
sprintf(buf, "%d", (int) json_integer_value(val));
parse_arg(options[i].val, buf);
}
else if (options[i].has_arg && json_is_real(val)) {
char buf[16];
sprintf(buf, "%f", json_real_value(val));
parse_arg(options[i].val, buf);
}
else if (!options[i].has_arg) {
if (json_is_true(val))
parse_arg(options[i].val, (char*) "");
}
else
applog(LOG_ERR, "JSON option %s invalid",
options[i].name);
}
val = json_object_get(json_obj, "pools");
if (val && json_typeof(val) == JSON_ARRAY) {
parse_pool_array(val);
}
}
static void parse_cmdline(int argc, char *argv[])
{
int key;
while (1) {
#if HAVE_GETOPT_LONG
key = getopt_long(argc, argv, short_options, options, NULL);
#else
key = getopt(argc, argv, short_options);
#endif
if (key < 0)
break;
parse_arg(key, optarg);
}
if (optind < argc) {
fprintf(stderr, "%s: unsupported non-option argument '%s'\n",
argv[0], argv[optind]);
show_usage_and_exit(1);
}
parse_config(opt_config);
if (opt_algo == ALGO_HEAVY && opt_vote == 9999) {
fprintf(stderr, "%s: Heavycoin hash requires block reward vote parameter (see --vote)\n",
argv[0]);
show_usage_and_exit(1);
}
}
#ifndef WIN32
static void signal_handler(int sig)
{
switch (sig) {
case SIGHUP:
applog(LOG_INFO, "SIGHUP received");
break;
case SIGINT:
signal(sig, SIG_IGN);
applog(LOG_INFO, "SIGINT received, exiting");
proper_exit(EXIT_CODE_KILLED);
break;
case SIGTERM:
applog(LOG_INFO, "SIGTERM received, exiting");
proper_exit(EXIT_CODE_KILLED);
break;
}
}
#else
BOOL WINAPI ConsoleHandler(DWORD dwType)
{
switch (dwType) {
case CTRL_C_EVENT:
applog(LOG_INFO, "CTRL_C_EVENT received, exiting");
proper_exit(EXIT_CODE_KILLED);
break;
case CTRL_BREAK_EVENT:
applog(LOG_INFO, "CTRL_BREAK_EVENT received, exiting");
proper_exit(EXIT_CODE_KILLED);
break;
case CTRL_LOGOFF_EVENT:
applog(LOG_INFO, "CTRL_LOGOFF_EVENT received, exiting");
proper_exit(EXIT_CODE_KILLED);
break;
case CTRL_SHUTDOWN_EVENT:
applog(LOG_INFO, "CTRL_SHUTDOWN_EVENT received, exiting");
proper_exit(EXIT_CODE_KILLED);
break;
default:
return false;
}
return true;
}
#endif
int main(int argc, char *argv[])
{
struct thr_info *thr;
long flags;
int i;
printf("*** ccminer " PACKAGE_VERSION " for nVidia GPUs by tpruvot@github ***\n");
#ifdef _MSC_VER
printf(" Built with VC++ 2013 and nVidia CUDA SDK %d.%d\n\n",
#else
printf(" Built with the nVidia CUDA Toolkit %d.%d\n\n",
#endif
CUDART_VERSION/1000, (CUDART_VERSION % 1000)/10);
printf(" Originally based on Christian Buchner and Christian H. project\n");
printf(" Include some of the work of djm34, sp, tsiv and klausT.\n\n");
printf("BTC donation address: 1AJdfCpLWPNoAMDfHF1wD5y8VgKSSTHxPo (tpruvot)\n\n");
rpc_user = strdup("");
rpc_pass = strdup("");
rpc_url = strdup("");
jane_params = strdup("");
pthread_mutex_init(&applog_lock, NULL);
// number of cpus for thread affinity
#if defined(WIN32)
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
num_cpus = sysinfo.dwNumberOfProcessors;
#elif defined(_SC_NPROCESSORS_CONF)
num_cpus = sysconf(_SC_NPROCESSORS_CONF);
#elif defined(CTL_HW) && defined(HW_NCPU)
int req[] = { CTL_HW, HW_NCPU };
size_t len = sizeof(num_cpus);
sysctl(req, 2, &num_cpus, &len, NULL, 0);
#else
num_cpus = 1;
#endif
if (num_cpus < 1)
num_cpus = 1;
for (i = 0; i < MAX_GPUS; i++) {
device_map[i] = i;
device_name[i] = NULL;
device_config[i] = NULL;
device_backoff[i] = is_windows() ? 12 : 2;
device_lookup_gap[i] = 1;
device_batchsize[i] = 1024;
device_interactive[i] = -1;
device_texturecache[i] = -1;
device_singlememory[i] = -1;
device_pstate[i] = -1;
}
// number of gpus
active_gpus = cuda_num_devices();
cuda_devicenames();
/* parse command line */
parse_cmdline(argc, argv);
if (!opt_benchmark && !strlen(rpc_url)) {
// try default config file (user then binary folder)
char defconfig[MAX_PATH] = { 0 };
get_defconfig_path(defconfig, MAX_PATH, argv[0]);
if (strlen(defconfig)) {
if (opt_debug)
applog(LOG_DEBUG, "Using config %s", defconfig);
parse_arg('c', defconfig);
parse_cmdline(argc, argv);
}
}
if (!strlen(rpc_url)) {
if (!opt_benchmark) {
fprintf(stderr, "%s: no URL supplied\n", argv[0]);
show_usage_and_exit(1);
}
// ensure a pool is set with default params...
pool_set_creds(0);
}
/* init stratum data.. */
memset(&stratum.url, 0, sizeof(stratum));
pthread_mutex_init(&stratum_sock_lock, NULL);
pthread_mutex_init(&stratum_work_lock, NULL);
pthread_mutex_init(&stats_lock, NULL);
pthread_mutex_init(&g_work_lock, NULL);
// ensure default params are set
pool_init_defaults();
if (opt_debug)
pool_dump_infos();
cur_pooln = pool_get_first_valid(0);
pool_switch(cur_pooln);
flags = !opt_benchmark && strncmp(rpc_url, "https:", 6)
? (CURL_GLOBAL_ALL & ~CURL_GLOBAL_SSL)
: CURL_GLOBAL_ALL;
if (curl_global_init(flags)) {
applog(LOG_ERR, "CURL initialization failed");
return EXIT_CODE_SW_INIT_ERROR;
}
if (opt_background) {
#ifndef WIN32
i = fork();
if (i < 0) proper_exit(EXIT_CODE_SW_INIT_ERROR);
if (i > 0) proper_exit(EXIT_CODE_OK);
i = setsid();
if (i < 0)
applog(LOG_ERR, "setsid() failed (errno = %d)", errno);
i = chdir("/");
if (i < 0)
applog(LOG_ERR, "chdir() failed (errno = %d)", errno);
signal(SIGHUP, signal_handler);
signal(SIGTERM, signal_handler);
#else
HWND hcon = GetConsoleWindow();
if (hcon) {
// this method also hide parent command line window
ShowWindow(hcon, SW_HIDE);
} else {
HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
CloseHandle(h);
FreeConsole();
}
#endif
}
#ifndef WIN32
/* Always catch Ctrl+C */
signal(SIGINT, signal_handler);
#else
SetConsoleCtrlHandler((PHANDLER_ROUTINE)ConsoleHandler, TRUE);
if (opt_priority > 0) {
DWORD prio = NORMAL_PRIORITY_CLASS;
switch (opt_priority) {
case 1:
prio = BELOW_NORMAL_PRIORITY_CLASS;
break;
case 2:
prio = NORMAL_PRIORITY_CLASS;
break;
case 3:
prio = ABOVE_NORMAL_PRIORITY_CLASS;
break;
case 4:
prio = HIGH_PRIORITY_CLASS;
break;
case 5:
prio = REALTIME_PRIORITY_CLASS;
}
SetPriorityClass(GetCurrentProcess(), prio);
}
#endif
if (opt_affinity != -1) {
if (!opt_quiet)
applog(LOG_DEBUG, "Binding process to cpu mask %x", opt_affinity);
affine_to_cpu_mask(-1, opt_affinity);
}
if (active_gpus == 0) {
applog(LOG_ERR, "No CUDA devices found! terminating.");
exit(1);
}
if (!opt_n_threads)
opt_n_threads = active_gpus;
#ifdef HAVE_SYSLOG_H
if (use_syslog)
openlog(opt_syslog_pfx, LOG_PID, LOG_USER);
#endif
work_restart = (struct work_restart *)calloc(opt_n_threads, sizeof(*work_restart));
if (!work_restart)
return EXIT_CODE_SW_INIT_ERROR;
thr_info = (struct thr_info *)calloc(opt_n_threads + 4, sizeof(*thr));
if (!thr_info)
return EXIT_CODE_SW_INIT_ERROR;
/* longpoll thread */
longpoll_thr_id = opt_n_threads + 1;
thr = &thr_info[longpoll_thr_id];
thr->id = longpoll_thr_id;
thr->q = tq_new();
if (!thr->q)
return EXIT_CODE_SW_INIT_ERROR;
/* always start the longpoll thread (will wait a tq_push on workio /LP) */
if (unlikely(pthread_create(&thr->pth, NULL, longpoll_thread, thr))) {
applog(LOG_ERR, "longpoll thread create failed");
return EXIT_CODE_SW_INIT_ERROR;
}
/* stratum thread */
stratum_thr_id = opt_n_threads + 2;
thr = &thr_info[stratum_thr_id];
thr->id = stratum_thr_id;
thr->q = tq_new();
if (!thr->q)
return EXIT_CODE_SW_INIT_ERROR;
/* always start the stratum thread (will wait a tq_push) */
if (unlikely(pthread_create(&thr->pth, NULL, stratum_thread, thr))) {
applog(LOG_ERR, "stratum thread create failed");
return EXIT_CODE_SW_INIT_ERROR;
}
/* init workio thread */
work_thr_id = opt_n_threads;
thr = &thr_info[work_thr_id];
thr->id = work_thr_id;
thr->q = tq_new();
if (!thr->q)
return EXIT_CODE_SW_INIT_ERROR;
if (pthread_create(&thr->pth, NULL, workio_thread, thr)) {
applog(LOG_ERR, "workio thread create failed");
return EXIT_CODE_SW_INIT_ERROR;
}
/* real start of the stratum work */
if (want_stratum && have_stratum) {
tq_push(thr_info[stratum_thr_id].q, strdup(rpc_url));
}
#ifdef USE_WRAPNVML
#if defined(__linux__) || defined(_WIN64)
/* nvml is currently not the best choice on Windows (only in x64) */
hnvml = nvml_create();
if (hnvml) {
bool gpu_reinit = false;
cuda_devicenames(); // refresh gpu vendor name
applog(LOG_INFO, "NVML GPU monitoring enabled.");
for (int n=0; n < opt_n_threads; n++) {
if (nvml_set_pstate(hnvml, device_map[n]) == 1)
gpu_reinit = true;
if (nvml_set_plimit(hnvml, device_map[n]) == 1)
gpu_reinit = true;
if (nvml_set_clocks(hnvml, device_map[n]) == 1)
gpu_reinit = true;
if (gpu_reinit)
cuda_reset_device(n, NULL);
}
}
#endif
#ifdef WIN32
if (!hnvml && nvapi_init() == 0)
applog(LOG_INFO, "NVAPI GPU monitoring enabled.");
#endif
else if (!hnvml)
applog(LOG_INFO, "GPU monitoring is not available.");
#endif
if (opt_api_listen) {
/* api thread */
api_thr_id = opt_n_threads + 3;
thr = &thr_info[api_thr_id];
thr->id = api_thr_id;
thr->q = tq_new();
if (!thr->q)
return EXIT_CODE_SW_INIT_ERROR;
/* start stratum thread */
if (unlikely(pthread_create(&thr->pth, NULL, api_thread, thr))) {
applog(LOG_ERR, "api thread create failed");
return EXIT_CODE_SW_INIT_ERROR;
}
}
/* start mining threads */
for (i = 0; i < opt_n_threads; i++) {
thr = &thr_info[i];
thr->id = i;
thr->gpu.thr_id = i;
thr->gpu.gpu_id = (uint8_t) device_map[i];
thr->gpu.gpu_arch = (uint16_t) device_sm[device_map[i]];
thr->q = tq_new();
if (!thr->q)
return EXIT_CODE_SW_INIT_ERROR;
if (unlikely(pthread_create(&thr->pth, NULL, miner_thread, thr))) {
applog(LOG_ERR, "thread %d create failed", i);
return EXIT_CODE_SW_INIT_ERROR;
}
}
applog(LOG_INFO, "%d miner thread%s started, "
"using '%s' algorithm.",
opt_n_threads, opt_n_threads > 1 ? "s":"",
algo_names[opt_algo]);
#ifdef WIN32
timeBeginPeriod(1); // enable high timer precision (similar to Google Chrome Trick)
#endif
/* main loop - simply wait for workio thread to exit */
pthread_join(thr_info[work_thr_id].pth, NULL);
if (opt_debug)
applog(LOG_DEBUG, "workio thread dead, exiting.");
proper_exit(EXIT_CODE_OK);
return 0;
}