/* * Copyright 2010 Jeff Garzik * Copyright 2012-2014 pooler * Copyright 2014 Lucas Jones * * 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" #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifdef WIN32 #include #else #include #include #include #if HAVE_SYS_SYSCTL_H #include #if HAVE_SYS_PARAM_H #include #endif #include #endif #endif #include #include #include "compat.h" #include "miner.h" #define PROGRAM_NAME "minerd" #define LP_SCANTIME 60 #define JSON_BUF_LEN 345 #ifdef __linux /* Linux specific policy and affinity management */ #include static inline void drop_policy(void) { struct sched_param param; param.sched_priority = 0; #ifdef SCHED_IDLE if (unlikely(sched_setscheduler(0, SCHED_IDLE, ¶m) == -1)) #endif #ifdef SCHED_BATCH sched_setscheduler(0, SCHED_BATCH, ¶m); #endif } static inline void affine_to_cpu(int id, int cpu) { cpu_set_t set; CPU_ZERO(&set); CPU_SET(cpu, &set); sched_setaffinity(0, sizeof(set), &set); } #elif defined(__FreeBSD__) /* FreeBSD specific policy and affinity management */ #include static inline void drop_policy(void) { } static inline void affine_to_cpu(int id, int cpu) { cpuset_t set; CPU_ZERO(&set); CPU_SET(cpu, &set); cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof(cpuset_t), &set); } #else static inline void drop_policy(void) { } static inline void affine_to_cpu(int id, int cpu) { } #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; }; enum algos { ALGO_SCRYPT, /* scrypt(1024,1,1) */ ALGO_SHA256D, /* SHA-256d */ ALGO_KECCAK, /* Keccak */ ALGO_HEAVY, /* Heavy */ ALGO_QUARK, /* Quark */ ALGO_SKEIN, /* Skein */ ALGO_SHAVITE3, /* Shavite3 */ ALGO_BLAKE, /* Blake */ ALGO_FRESH, /* Fresh */ ALGO_X11, /* X11 */ ALGO_X13, /* X13 */ ALGO_X14, /* X14 */ ALGO_X15, /* X15 Whirlpool */ ALGO_CRYPTONIGHT, /* CryptoNight */ }; static const char *algo_names[] = { [ALGO_SCRYPT] = "scrypt", [ALGO_SHA256D] = "sha256d", [ALGO_KECCAK] = "keccak", [ALGO_HEAVY] = "heavy", [ALGO_QUARK] = "quark", [ALGO_SKEIN] = "skein", [ALGO_SHAVITE3] = "shavite3", [ALGO_BLAKE] = "blake", [ALGO_FRESH] = "fresh", [ALGO_X11] = "x11", [ALGO_X13] = "x13", [ALGO_X14] = "x14", [ALGO_X15] = "x15", [ALGO_CRYPTONIGHT] = "cryptonight", }; bool opt_debug = false; bool opt_protocol = false; static bool opt_benchmark = false; bool opt_redirect = true; bool want_longpoll = true; bool have_longpoll = false; bool want_stratum = true; bool have_stratum = false; static bool submit_old = false; bool use_syslog = false; static bool opt_background = false; static bool opt_quiet = false; static int opt_retries = -1; static int opt_fail_pause = 10; bool jsonrpc_2 = false; int opt_timeout = 0; static int opt_scantime = 5; static json_t *opt_config; static const bool opt_time = true; static enum algos opt_algo = ALGO_SCRYPT; static int opt_scrypt_n = 1024; static int opt_n_threads; static int num_processors; static char *rpc_url; static char *rpc_userpass; static char *rpc_user, *rpc_pass; char *opt_cert; char *opt_proxy; long opt_proxy_type; struct thr_info *thr_info; static int work_thr_id; int longpoll_thr_id = -1; int stratum_thr_id = -1; struct work_restart *work_restart = NULL; static struct stratum_ctx stratum; static char rpc2_id[64] = ""; static char *rpc2_blob = NULL; static int rpc2_bloblen = 0; static uint32_t rpc2_target = 0; static char *rpc2_job_id = NULL; bool aes_ni_supported = false; pthread_mutex_t applog_lock; static pthread_mutex_t stats_lock; static pthread_mutex_t rpc2_job_lock; static pthread_mutex_t rpc2_login_lock; static unsigned long accepted_count = 0L; static unsigned long rejected_count = 0L; static double *thr_hashrates; #ifdef HAVE_GETOPT_LONG #include #else struct option { const char *name; int has_arg; int *flag; int val; }; #endif static char const usage[] = "\ Usage: " PROGRAM_NAME " [OPTIONS]\n\ Options:\n\ -a, --algo=ALGO specify the algorithm to use\n\ scrypt scrypt(1024, 1, 1) (default)\n\ scrypt:N scrypt(N, 1, 1)\n\ sha256d SHA-256d\n\ keccak Keccak\n\ quark Quark\n\ heavy Heavy\n\ skein Skein\n\ shavite3 Shavite3\n\ blake Blake\n\ fresh Fresh\n\ x11 X11\n\ x13 X13\n\ x14 X14\n\ x15 X15\n\ cryptonight CryptoNight\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 processors)\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\ -T, --timeout=N timeout for long polling, in seconds (default: none)\n\ -s, --scantime=N upper bound on time spent scanning current work when\n\ long polling is unavailable, in seconds (default: 5)\n\ --no-longpoll disable X-Long-Polling support\n\ --no-stratum disable X-Stratum support\n\ --no-redirect ignore requests to change the URL of the mining server\n\ -q, --quiet disable per-thread hashmeter output\n\ -D, --debug enable debug output\n\ -P, --protocol-dump verbose dump of protocol-level activities\n" #ifdef HAVE_SYSLOG_H "\ -S, --syslog use system log for output messages\n" #endif #ifndef WIN32 "\ -B, --background run the miner in the background\n" #endif "\ --benchmark run in offline benchmark mode\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[] = #ifndef WIN32 "B" #endif #ifdef HAVE_SYSLOG_H "S" #endif "a:c:Dhp:Px:qr:R:s:t:T:o:u:O:V"; static struct option const options[] = { { "algo", 1, NULL, 'a' }, #ifndef WIN32 { "background", 0, NULL, 'B' }, #endif { "benchmark", 0, NULL, 1005 }, { "cert", 1, NULL, 1001 }, { "config", 1, NULL, 'c' }, { "debug", 0, NULL, 'D' }, { "help", 0, NULL, 'h' }, { "no-longpoll", 0, NULL, 1003 }, { "no-redirect", 0, NULL, 1009 }, { "no-stratum", 0, NULL, 1007 }, { "pass", 1, NULL, 'p' }, { "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' }, #ifdef HAVE_SYSLOG_H { "syslog", 0, NULL, 'S' }, #endif { "threads", 1, NULL, 't' }, { "timeout", 1, NULL, 'T' }, { "url", 1, NULL, 'o' }, { "user", 1, NULL, 'u' }, { "userpass", 1, NULL, 'O' }, { "version", 0, NULL, 'V' }, { 0, 0, 0, 0 } }; static struct work g_work; static time_t g_work_time; static pthread_mutex_t g_work_lock; static bool rpc2_login(CURL *curl); static void workio_cmd_free(struct workio_cmd *wc); json_t *json_rpc2_call_recur(CURL *curl, const char *url, const char *userpass, json_t *rpc_req, int *curl_err, int flags, int recur) { if(recur >= 5) { if(opt_debug) applog(LOG_DEBUG, "Failed to call rpc command after %i tries", recur); return NULL; } if(!strcmp(rpc2_id, "")) { if(opt_debug) applog(LOG_DEBUG, "Tried to call rpc2 command before authentication"); return NULL; } json_t *params = json_object_get(rpc_req, "params"); if (params) { json_t *auth_id = json_object_get(params, "id"); if (auth_id) { json_string_set(auth_id, rpc2_id); } } json_t *res = json_rpc_call(curl, url, userpass, json_dumps(rpc_req, 0), curl_err, flags | JSON_RPC_IGNOREERR); if(!res) goto end; json_t *error = json_object_get(res, "error"); if(!error) goto end; json_t *message; if(json_is_string(error)) message = error; else message = json_object_get(error, "message"); if(!message || !json_is_string(message)) goto end; const char *mes = json_string_value(message); if(!strcmp(mes, "Unauthenticated")) { pthread_mutex_lock(&rpc2_login_lock); rpc2_login(curl); sleep(1); pthread_mutex_unlock(&rpc2_login_lock); return json_rpc2_call_recur(curl, url, userpass, rpc_req, curl_err, flags, recur + 1); } else if(!strcmp(mes, "Low difficulty share") || !strcmp(mes, "Block expired") || !strcmp(mes, "Invalid job id") || !strcmp(mes, "Duplicate share")) { json_t *result = json_object_get(res, "result"); if(!result) { goto end; } json_object_set(result, "reject-reason", json_string(mes)); } else { applog(LOG_ERR, "json_rpc2.0 error: %s", mes); return NULL; } end: return res; } json_t *json_rpc2_call(CURL *curl, const char *url, const char *userpass, const char *rpc_req, int *curl_err, int flags) { json_t* req_json = JSON_LOADS(rpc_req, NULL); json_t* res = json_rpc2_call_recur(curl, url, userpass, req_json, curl_err, flags, 0); json_decref(req_json); return res; } static inline void work_free(struct work *w) { free(w->job_id); free(w->xnonce2); } static inline void work_copy(struct work *dest, const struct work *src) { memcpy(dest, src, sizeof(struct work)); if (src->job_id) dest->job_id = strdup(src->job_id); if (src->xnonce2) { dest->xnonce2 = malloc(src->xnonce2_len); memcpy(dest->xnonce2, src->xnonce2, src->xnonce2_len); } } 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(buf, hexstr, buflen)) return false; return true; } bool rpc2_job_decode(const json_t *job, struct work *work) { if (!jsonrpc_2) { applog(LOG_ERR, "Tried to decode job without JSON-RPC 2.0"); return false; } json_t *tmp; tmp = json_object_get(job, "job_id"); if (!tmp) { applog(LOG_ERR, "JSON inval job id"); goto err_out; } const char *job_id = json_string_value(tmp); tmp = json_object_get(job, "blob"); if (!tmp) { applog(LOG_ERR, "JSON inval blob"); goto err_out; } const char *hexblob = json_string_value(tmp); int blobLen = strlen(hexblob); if (blobLen % 2 != 0 || ((blobLen / 2) < 40 && blobLen != 0) || (blobLen / 2) > 128) { applog(LOG_ERR, "JSON invalid blob length"); goto err_out; } if (blobLen != 0) { pthread_mutex_lock(&rpc2_job_lock); char *blob = malloc(blobLen / 2); if (!hex2bin(blob, hexblob, blobLen / 2)) { applog(LOG_ERR, "JSON inval blob"); pthread_mutex_unlock(&rpc2_job_lock); goto err_out; } if (rpc2_blob) { free(rpc2_blob); } rpc2_bloblen = blobLen / 2; rpc2_blob = malloc(rpc2_bloblen); memcpy(rpc2_blob, blob, blobLen / 2); free(blob); uint32_t target; jobj_binary(job, "target", &target, 4); if(rpc2_target != target) { float hashrate = 0.; pthread_mutex_lock(&stats_lock); for (size_t i = 0; i < opt_n_threads; i++) hashrate += thr_hashrates[i]; pthread_mutex_unlock(&stats_lock); double difficulty = (((double) 0xffffffff) / target); applog(LOG_INFO, "Pool set diff to %g", difficulty); rpc2_target = target; } if (rpc2_job_id) { free(rpc2_job_id); } rpc2_job_id = strdup(job_id); pthread_mutex_unlock(&rpc2_job_lock); } if(work) { if (!rpc2_blob) { applog(LOG_ERR, "Requested work before work was received"); goto err_out; } memcpy(work->data, rpc2_blob, rpc2_bloblen); memset(work->target, 0xff, sizeof(work->target)); work->target[7] = rpc2_target; if (work->job_id) free(work->job_id); work->job_id = strdup(rpc2_job_id); } return true; err_out: return false; } static bool work_decode(const json_t *val, struct work *work) { int i; if(jsonrpc_2) { return rpc2_job_decode(val, work); } if (unlikely(!jobj_binary(val, "data", work->data, sizeof(work->data)))) { applog(LOG_ERR, "JSON inval data"); goto err_out; } if (unlikely(!jobj_binary(val, "target", work->target, sizeof(work->target)))) { applog(LOG_ERR, "JSON inval target"); goto err_out; } for (i = 0; i < ARRAY_SIZE(work->data); i++) work->data[i] = le32dec(work->data + i); for (i = 0; i < ARRAY_SIZE(work->target); i++) work->target[i] = le32dec(work->target + i); return true; err_out: return false; } bool rpc2_login_decode(const json_t *val) { const char *id; const char *s; json_t *res = json_object_get(val, "result"); if(!res) { applog(LOG_ERR, "JSON invalid result"); goto err_out; } json_t *tmp; tmp = json_object_get(res, "id"); if(!tmp) { applog(LOG_ERR, "JSON inval id"); goto err_out; } id = json_string_value(tmp); if(!id) { applog(LOG_ERR, "JSON id is not a string"); goto err_out; } memcpy(&rpc2_id, id, 64); if(opt_debug) applog(LOG_DEBUG, "Auth id: %s", id); tmp = json_object_get(res, "status"); if(!tmp) { applog(LOG_ERR, "JSON inval status"); goto err_out; } s = json_string_value(tmp); if(!s) { applog(LOG_ERR, "JSON status is not a string"); goto err_out; } if(strcmp(s, "OK")) { applog(LOG_ERR, "JSON returned status \"%s\"", s); return false; } return true; err_out: return false; } static void share_result(int result, struct work *work, const char *reason) { char s[345]; double hashrate; int i; hashrate = 0.; pthread_mutex_lock(&stats_lock); for (i = 0; i < opt_n_threads; i++) hashrate += thr_hashrates[i]; result ? accepted_count++ : rejected_count++; pthread_mutex_unlock(&stats_lock); switch (opt_algo) { case ALGO_CRYPTONIGHT: applog(LOG_INFO, "accepted: %lu/%lu (%.2f%%), %.2f H/s at diff %g %s", accepted_count, accepted_count + rejected_count, 100. * accepted_count / (accepted_count + rejected_count), hashrate, (((double) 0xffffffff) / (work ? work->target[7] : rpc2_target)), result ? "(yay!!!)" : "(booooo)"); break; default: sprintf(s, hashrate >= 1e6 ? "%.0f" : "%.2f", 1e-3 * hashrate); applog(LOG_INFO, "accepted: %lu/%lu (%.2f%%), %s khash/s %s", accepted_count, accepted_count + rejected_count, 100. * accepted_count / (accepted_count + rejected_count), s, result ? "(yay!!!)" : "(booooo)"); break; } if (opt_debug && reason) applog(LOG_DEBUG, "DEBUG: reject reason: %s", reason); } static bool submit_upstream_work(CURL *curl, struct work *work) { char *str = NULL; json_t *val, *res, *reason; char s[JSON_BUF_LEN]; int i; bool rc = false; /* pass if the previous hash is not the current previous hash */ if (!submit_old && memcmp(work->data + 1, g_work.data + 1, 32)) { if (opt_debug) applog(LOG_DEBUG, "DEBUG: stale work detected, discarding"); return true; } if (have_stratum) { uint32_t ntime, nonce; char *ntimestr, *noncestr, *xnonce2str; if (jsonrpc_2) { noncestr = bin2hex(((const unsigned char*)work->data) + 39, 4); char hash[32]; switch(opt_algo) { case ALGO_CRYPTONIGHT: default: cryptonight_hash(hash, work->data, 76); } char *hashhex = bin2hex(hash, 32); snprintf(s, JSON_BUF_LEN, "{\"method\": \"submit\", \"params\": {\"id\": \"%s\", \"job_id\": \"%s\", \"nonce\": \"%s\", \"result\": \"%s\"}, \"id\":1}\r\n", rpc2_id, work->job_id, noncestr, hashhex); free(hashhex); } else { le32enc(&ntime, work->data[17]); le32enc(&nonce, work->data[19]); ntimestr = bin2hex((const unsigned char *) (&ntime), 4); noncestr = bin2hex((const unsigned char *) (&nonce), 4); xnonce2str = bin2hex(work->xnonce2, work->xnonce2_len); snprintf(s, JSON_BUF_LEN, "{\"method\": \"mining.submit\", \"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\":4}", rpc_user, work->job_id, xnonce2str, ntimestr, noncestr); free(ntimestr); free(xnonce2str); } free(noncestr); if (unlikely(!stratum_send_line(&stratum, s))) { applog(LOG_ERR, "submit_upstream_work stratum_send_line failed"); goto out; } } else { /* build JSON-RPC request */ if(jsonrpc_2) { char *noncestr = bin2hex(((const unsigned char*)work->data) + 39, 4); char hash[32]; switch(opt_algo) { case ALGO_CRYPTONIGHT: default: cryptonight_hash(hash, work->data, 76); } char *hashhex = bin2hex(hash, 32); snprintf(s, JSON_BUF_LEN, "{\"method\": \"submit\", \"params\": {\"id\": \"%s\", \"job_id\": \"%s\", \"nonce\": \"%s\", \"result\": \"%s\"}, \"id\":1}\r\n", rpc2_id, work->job_id, noncestr, hashhex); free(noncestr); free(hashhex); /* issue JSON-RPC request */ val = json_rpc2_call(curl, rpc_url, rpc_userpass, s, NULL, 0); if (unlikely(!val)) { applog(LOG_ERR, "submit_upstream_work json_rpc_call failed"); goto out; } res = json_object_get(val, "result"); json_t *status = json_object_get(res, "status"); reason = json_object_get(res, "reject-reason"); share_result(!strcmp(status ? json_string_value(status) : "", "OK"), work, reason ? json_string_value(reason) : NULL ); } else { /* build hex string */ for (i = 0; i < 76; i++) le32enc(((char*)work->data) + i, *((uint32_t*) (((char*)work->data) + i))); str = bin2hex((unsigned char *) work->data, 76); if (unlikely(!str)) { applog(LOG_ERR, "submit_upstream_work OOM"); goto out; } snprintf(s, JSON_BUF_LEN, "{\"method\": \"getwork\", \"params\": [ \"%s\" ], \"id\":1}\r\n", str); /* issue JSON-RPC request */ val = json_rpc_call(curl, rpc_url, rpc_userpass, s, NULL, 0); if (unlikely(!val)) { applog(LOG_ERR, "submit_upstream_work json_rpc_call failed"); goto out; } res = json_object_get(val, "result"); reason = json_object_get(val, "reject-reason"); share_result(json_is_true(res), work, reason ? json_string_value(reason) : NULL ); } json_decref(val); } rc = true; out: free(str); return rc; } static const char *rpc_req = "{\"method\": \"getwork\", \"params\": [], \"id\":0}\r\n"; static bool get_upstream_work(CURL *curl, struct work *work) { json_t *val; bool rc; struct timeval tv_start, tv_end, diff; gettimeofday(&tv_start, NULL ); if(jsonrpc_2) { char s[128]; snprintf(s, 128, "{\"method\": \"getjob\", \"params\": {\"id\": \"%s\"}, \"id\":1}\r\n", rpc2_id); val = json_rpc2_call(curl, rpc_url, rpc_userpass, s, NULL, 0); } else { val = json_rpc_call(curl, rpc_url, rpc_userpass, rpc_req, NULL, 0); } gettimeofday(&tv_end, NULL ); if (have_stratum) { if (val) json_decref(val); return true; } if (!val) return false; rc = work_decode(json_object_get(val, "result"), work); if (opt_debug && rc) { timeval_subtract(&diff, &tv_end, &tv_start); applog(LOG_DEBUG, "DEBUG: got new work in %d ms", diff.tv_sec * 1000 + diff.tv_usec / 1000); } json_decref(val); return rc; } static bool rpc2_login(CURL *curl) { if(!jsonrpc_2) { return false; } json_t *val; bool rc; struct timeval tv_start, tv_end, diff; char s[JSON_BUF_LEN]; snprintf(s, JSON_BUF_LEN, "{\"method\": \"login\", \"params\": {\"login\": \"%s\", \"pass\": \"%s\", \"agent\": \"cpuminer-multi/0.1\"}, \"id\": 1}", rpc_user, rpc_pass); gettimeofday(&tv_start, NULL ); val = json_rpc_call(curl, rpc_url, rpc_userpass, s, NULL, 0); gettimeofday(&tv_end, NULL ); if (!val) goto end; // applog(LOG_DEBUG, "JSON value: %s", json_dumps(val, 0)); rc = rpc2_login_decode(val); json_t *result = json_object_get(val, "result"); if(!result) goto end; json_t *job = json_object_get(result, "job"); if(!rpc2_job_decode(job, &g_work)) { goto end; } if (opt_debug && rc) { timeval_subtract(&diff, &tv_end, &tv_start); applog(LOG_DEBUG, "DEBUG: authenticated in %d ms", diff.tv_sec * 1000 + diff.tv_usec / 1000); } json_decref(val); end: return rc; } static void workio_cmd_free(struct workio_cmd *wc) { if (!wc) return; switch (wc->cmd) { case WC_SUBMIT_WORK: work_free(wc->u.work); free(wc->u.work); break; default: /* do nothing */ break; } memset(wc, 0, sizeof(*wc)); /* poison */ free(wc); } static bool workio_get_work(struct workio_cmd *wc, CURL *curl) { struct work *ret_work; int failures = 0; ret_work = calloc(1, sizeof(*ret_work)); if (!ret_work) return false; /* obtain new work from bitcoin via JSON-RPC */ while (!get_upstream_work(curl, ret_work)) { if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) { applog(LOG_ERR, "json_rpc_call failed, terminating workio thread"); free(ret_work); return false; } /* pause, then restart work-request loop */ applog(LOG_ERR, "getwork 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)) free(ret_work); return true; } static bool workio_submit_work(struct workio_cmd *wc, CURL *curl) { int failures = 0; /* submit solution to bitcoin via JSON-RPC */ while (!submit_upstream_work(curl, wc->u.work)) { if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) { applog(LOG_ERR, "...terminating workio thread"); return false; } /* pause, then restart work-request loop */ applog(LOG_ERR, "...retry after %d seconds", opt_fail_pause); sleep(opt_fail_pause); } return true; } static bool workio_login(CURL *curl) { int failures = 0; /* submit solution to bitcoin via JSON-RPC */ pthread_mutex_lock(&rpc2_login_lock); while (!rpc2_login(curl)) { if (unlikely((opt_retries >= 0) && (++failures > opt_retries))) { applog(LOG_ERR, "...terminating workio thread"); pthread_mutex_unlock(&rpc2_login_lock); return false; } /* pause, then restart work-request loop */ applog(LOG_ERR, "...retry after %d seconds", opt_fail_pause); sleep(opt_fail_pause); pthread_mutex_unlock(&rpc2_login_lock); pthread_mutex_lock(&rpc2_login_lock); } pthread_mutex_unlock(&rpc2_login_lock); return true; } static void *workio_thread(void *userdata) { struct thr_info *mythr = userdata; CURL *curl; bool ok = true; curl = curl_easy_init(); if (unlikely(!curl)) { applog(LOG_ERR, "CURL initialization failed"); return NULL ; } if(!have_stratum) { ok = workio_login(curl); } while (ok) { struct workio_cmd *wc; /* wait for workio_cmd sent to us, on our queue */ wc = 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; default: /* should never happen */ ok = false; break; } workio_cmd_free(wc); } tq_freeze(mythr->q); curl_easy_cleanup(curl); return NULL ; } static 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(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 = calloc(1, sizeof(*wc)); if (!wc) return false; wc->cmd = WC_GET_WORK; wc->thr = thr; /* 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 = tq_pop(thr->q, NULL ); if (!work_heap) return false; /* copy returned work into storage provided by caller */ memcpy(work, work_heap, sizeof(*work)); 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 = calloc(1, sizeof(*wc)); if (!wc) return false; wc->u.work = malloc(sizeof(*work_in)); if (!wc->u.work) goto err_out; wc->cmd = WC_SUBMIT_WORK; wc->thr = thr; work_copy(wc->u.work, work_in); /* 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 void stratum_gen_work(struct stratum_ctx *sctx, struct work *work) { unsigned char merkle_root[64]; int i; pthread_mutex_lock(&sctx->work_lock); if (jsonrpc_2) { free(work->job_id); memcpy(work, &sctx->work, sizeof(struct work)); work->job_id = strdup(sctx->work.job_id); pthread_mutex_unlock(&sctx->work_lock); } else { free(work->job_id); work->job_id = strdup(sctx->job.job_id); work->xnonce2_len = sctx->xnonce2_size; work->xnonce2 = realloc(work->xnonce2, sctx->xnonce2_size); memcpy(work->xnonce2, sctx->job.xnonce2, sctx->xnonce2_size); /* Generate merkle root */ sha256d(merkle_root, sctx->job.coinbase, sctx->job.coinbase_size); for (i = 0; i < sctx->job.merkle_count; i++) { memcpy(merkle_root + 32, sctx->job.merkle[i], 32); sha256d(merkle_root, merkle_root, 64); } /* Increment extranonce2 */ for (i = 0; i < sctx->xnonce2_size && !++sctx->job.xnonce2[i]; i++) ; /* Assemble block header */ memset(work->data, 0, 128); 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); work->data[20] = 0x80000000; work->data[31] = 0x00000280; pthread_mutex_unlock(&sctx->work_lock); if (opt_debug) { char *xnonce2str = bin2hex(work->xnonce2, work->xnonce2_len); applog(LOG_DEBUG, "DEBUG: job_id='%s' extranonce2=%s ntime=%08x", work->job_id, xnonce2str, swab32(work->data[17])); free(xnonce2str); } if (opt_algo == ALGO_SCRYPT) diff_to_target(work->target, sctx->job.diff / 65536.0); else diff_to_target(work->target, sctx->job.diff); } } static void *miner_thread(void *userdata) { struct thr_info *mythr = userdata; int thr_id = mythr->id; struct work work = { { 0 } }; uint32_t max_nonce; uint32_t end_nonce = 0xffffffffU / opt_n_threads * (thr_id + 1) - 0x20; unsigned char *scratchbuf = NULL; char s[16]; int i; /* Set worker threads to nice 19 and then preferentially to SCHED_IDLE * and if that fails, then SCHED_BATCH. No need for this to be an * error if it fails */ if (!opt_benchmark) { setpriority(PRIO_PROCESS, 0, 19); drop_policy(); } /* Cpu affinity only makes sense if the number of threads is a multiple * of the number of CPUs */ if (num_processors > 1 && opt_n_threads % num_processors == 0) { if (!opt_quiet) applog(LOG_INFO, "Binding thread %d to cpu %d", thr_id, thr_id % num_processors); affine_to_cpu(thr_id, thr_id % num_processors); } if (opt_algo == ALGO_SCRYPT) { scratchbuf = scrypt_buffer_alloc(opt_scrypt_n); if (!scratchbuf) { applog(LOG_ERR, "scrypt buffer allocation failed"); pthread_mutex_lock(&applog_lock); exit(1); } } uint32_t *nonceptr = (uint32_t*) (((char*)work.data) + (jsonrpc_2 ? 39 : 76)); while (1) { uint64_t hashes_done; struct timeval tv_start, tv_end, diff; int64_t max64; int rc; if (have_stratum) { while (!jsonrpc_2 && time(NULL) >= g_work_time + 120) sleep(1); pthread_mutex_lock(&g_work_lock); if ((*nonceptr) >= end_nonce && !(jsonrpc_2 ? memcmp(work.data, g_work.data, 39) || memcmp(((uint8_t*) work.data) + 43, ((uint8_t*) g_work.data) + 43, 33) : memcmp(work.data, g_work.data, 76))) stratum_gen_work(&stratum, &g_work); } else { /* obtain new work from internal workio thread */ pthread_mutex_lock(&g_work_lock); if ((!have_stratum && (!have_longpoll || time(NULL ) >= g_work_time + LP_SCANTIME * 3 / 4 || *nonceptr >= end_nonce))) { if (unlikely(!get_work(mythr, &g_work))) { applog(LOG_ERR, "work retrieval failed, exiting " "mining thread %d", mythr->id); pthread_mutex_unlock(&g_work_lock); goto out; } g_work_time = have_stratum ? 0 : time(NULL ); } if (have_stratum) { pthread_mutex_unlock(&g_work_lock); continue; } } if (jsonrpc_2 ? memcmp(work.data, g_work.data, 39) || memcmp(((uint8_t*) work.data) + 43, ((uint8_t*) g_work.data) + 43, 33) : memcmp(work.data, g_work.data, 76)) { work_free(&work); work_copy(&work, &g_work); nonceptr = (uint32_t*) (((char*)work.data) + (jsonrpc_2 ? 39 : 76)); *nonceptr = 0xffffffffU / opt_n_threads * thr_id; } else ++(*nonceptr); pthread_mutex_unlock(&g_work_lock); work_restart[thr_id].restart = 0; /* adjust max_nonce to meet target scan time */ if (have_stratum) max64 = LP_SCANTIME; else max64 = g_work_time + (have_longpoll ? LP_SCANTIME : opt_scantime) - time(NULL ); max64 *= thr_hashrates[thr_id]; if (max64 <= 0) { switch (opt_algo) { case ALGO_SCRYPT: max64 = opt_scrypt_n < 16 ? 0x3ffff : 0x3fffff / opt_scrypt_n; break; case ALGO_CRYPTONIGHT: max64 = 0x40LL; break; case ALGO_FRESH: max64 = 0x3ffff; break; case ALGO_X13: max64 = 0x1ffff; break; case ALGO_X14: max64 = 0x3ffff; break; case ALGO_X15: max64 = 0x1ffff; break; default: max64 = 0x1fffffLL; break; } } if (*nonceptr + max64 > end_nonce) max_nonce = end_nonce; else max_nonce = *nonceptr + max64; hashes_done = 0; gettimeofday(&tv_start, NULL ); /* scan nonces for a proof-of-work hash */ switch (opt_algo) { case ALGO_SCRYPT: rc = scanhash_scrypt(thr_id, work.data, scratchbuf, work.target, max_nonce, &hashes_done, opt_scrypt_n); break; case ALGO_SHA256D: rc = scanhash_sha256d(thr_id, work.data, work.target, max_nonce, &hashes_done); break; case ALGO_KECCAK: rc = scanhash_keccak(thr_id, work.data, work.target, max_nonce, &hashes_done); break; case ALGO_HEAVY: rc = scanhash_heavy(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_SKEIN: rc = scanhash_skein(thr_id, work.data, work.target, max_nonce, &hashes_done); break; case ALGO_SHAVITE3: rc = scanhash_ink(thr_id, work.data, work.target, max_nonce, &hashes_done); break; case ALGO_BLAKE: rc = scanhash_blake(thr_id, work.data, work.target, max_nonce, &hashes_done); break; case ALGO_FRESH: rc = scanhash_fresh(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_CRYPTONIGHT: rc = scanhash_cryptonight(thr_id, work.data, work.target, max_nonce, &hashes_done); break; default: /* should never happen */ goto out; } /* record scanhash elapsed time */ gettimeofday(&tv_end, NULL); timeval_subtract(&diff, &tv_end, &tv_start); if (diff.tv_usec || diff.tv_sec) { pthread_mutex_lock(&stats_lock); thr_hashrates[thr_id] = hashes_done / (diff.tv_sec + diff.tv_usec * 1e-6); pthread_mutex_unlock(&stats_lock); } if (!opt_quiet) { switch(opt_algo) { case ALGO_CRYPTONIGHT: applog(LOG_INFO, "thread %d: %lu hashes, %.2f H/s", thr_id, hashes_done, thr_hashrates[thr_id]); break; default: sprintf(s, thr_hashrates[thr_id] >= 1e6 ? "%.0f" : "%.2f", thr_hashrates[thr_id] / 1e3); applog(LOG_INFO, "thread %d: %llu hashes, %s khash/s", thr_id, hashes_done, s); break; } } if (opt_benchmark && thr_id == opt_n_threads - 1) { double hashrate = 0.; for (i = 0; i < opt_n_threads && thr_hashrates[i]; i++) hashrate += thr_hashrates[i]; if (i == opt_n_threads) { switch(opt_algo) { case ALGO_CRYPTONIGHT: applog(LOG_INFO, "Total: %s H/s", hashrate); break; default: sprintf(s, hashrate >= 1e6 ? "%.0f" : "%.2f", hashrate / 1000); applog(LOG_INFO, "Total: %s khash/s", s); break; } } } /* if nonce found, submit work */ if (rc && !opt_benchmark && !submit_work(mythr, &work)) break; } out: tq_freeze(mythr->q); return NULL ; } static void restart_threads(void) { int i; for (i = 0; i < opt_n_threads; i++) work_restart[i].restart = 1; } static void *longpoll_thread(void *userdata) { struct thr_info *mythr = userdata; CURL *curl = NULL; char *copy_start, *hdr_path = NULL, *lp_url = NULL; bool need_slash = false; curl = curl_easy_init(); if (unlikely(!curl)) { applog(LOG_ERR, "CURL initialization failed"); goto out; } start: hdr_path = tq_pop(mythr->q, NULL ); if (!hdr_path) goto out; /* full URL */ if (strstr(hdr_path, "://")) { lp_url = hdr_path; hdr_path = NULL; } /* absolute path, on current server */ else { copy_start = (*hdr_path == '/') ? (hdr_path + 1) : hdr_path; if (rpc_url[strlen(rpc_url) - 1] != '/') need_slash = true; lp_url = 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); } applog(LOG_INFO, "Long-polling activated for %s", lp_url); while (1) { json_t *val, *soval; int err; if(jsonrpc_2) { pthread_mutex_lock(&rpc2_login_lock); if(!strcmp(rpc2_id, "")) { sleep(1); continue; } char s[128]; snprintf(s, 128, "{\"method\": \"getjob\", \"params\": {\"id\": \"%s\"}, \"id\":1}\r\n", rpc2_id); pthread_mutex_unlock(&rpc2_login_lock); val = json_rpc2_call(curl, rpc_url, rpc_userpass, s, &err, JSON_RPC_LONGPOLL); } else { val = json_rpc_call(curl, rpc_url, rpc_userpass, rpc_req, &err, JSON_RPC_LONGPOLL); } if (have_stratum) { if (val) json_decref(val); goto out; } if (likely(val)) { if (!jsonrpc_2) { soval = json_object_get(json_object_get(val, "result"), "submitold"); submit_old = soval ? json_is_true(soval) : false; } pthread_mutex_lock(&g_work_lock); char *start_job_id = strdup(g_work.job_id); if (work_decode(json_object_get(val, "result"), &g_work)) { if (strcmp(start_job_id, g_work.job_id)) { applog(LOG_INFO, "LONGPOLL detected new block"); if (opt_debug) applog(LOG_DEBUG, "DEBUG: got new work"); time(&g_work_time); restart_threads(); } } free(start_job_id); pthread_mutex_unlock(&g_work_lock); json_decref(val); } else { pthread_mutex_lock(&g_work_lock); g_work_time -= LP_SCANTIME; pthread_mutex_unlock(&g_work_lock); if (err == CURLE_OPERATION_TIMEDOUT) { restart_threads(); } else { have_longpoll = false; restart_threads(); free(hdr_path); free(lp_url); lp_url = NULL; sleep(opt_fail_pause); goto start; } } } out: free(hdr_path); free(lp_url); tq_freeze(mythr->q); if (curl) curl_easy_cleanup(curl); return NULL ; } static bool stratum_handle_response(char *buf) { json_t *val, *err_val, *res_val, *id_val; json_error_t err; bool ret = false; bool valid = 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) || (jsonrpc_2 ? (!res_val && !err_val) : !res_val)) goto out; if(jsonrpc_2) { json_t *status = json_object_get(res_val, "status"); if(status) { const char *s = json_string_value(status); valid = !strcmp(s, "OK") && json_is_null(err_val); } else { valid = json_is_null(err_val); } } else { valid = json_is_true(res_val); } share_result(valid, NULL, err_val ? (jsonrpc_2 ? json_string_value(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 = userdata; char *s; stratum.url = tq_pop(mythr->q, NULL ); if (!stratum.url) goto out; applog(LOG_INFO, "Starting Stratum on %s", stratum.url); while (1) { int failures = 0; while (!stratum.curl) { pthread_mutex_lock(&g_work_lock); g_work_time = 0; pthread_mutex_unlock(&g_work_lock); restart_threads(); if (!stratum_connect(&stratum, stratum.url) || !stratum_subscribe(&stratum) || !stratum_authorize(&stratum, rpc_user, rpc_pass)) { stratum_disconnect(&stratum); if (opt_retries >= 0 && ++failures > opt_retries) { applog(LOG_ERR, "...terminating workio thread"); tq_push(thr_info[work_thr_id].q, NULL ); goto out; } applog(LOG_ERR, "...retry after %d seconds", opt_fail_pause); sleep(opt_fail_pause); } } if (jsonrpc_2) { if (stratum.work.job_id && (!g_work_time || strcmp(stratum.work.job_id, g_work.job_id))) { pthread_mutex_lock(&g_work_lock); stratum_gen_work(&stratum, &g_work); time(&g_work_time); pthread_mutex_unlock(&g_work_lock); applog(LOG_INFO, "Stratum detected new block"); restart_threads(); } } else { if (stratum.job.job_id && (!g_work_time || strcmp(stratum.job.job_id, g_work.job_id))) { pthread_mutex_lock(&g_work_lock); stratum_gen_work(&stratum, &g_work); time(&g_work_time); pthread_mutex_unlock(&g_work_lock); if (stratum.job.clean) { applog(LOG_INFO, "Stratum detected new block"); restart_threads(); } } } if (!stratum_socket_full(&stratum, 120)) { applog(LOG_ERR, "Stratum connection timed out"); s = NULL; } else s = stratum_recv_line(&stratum); if (!s) { stratum_disconnect(&stratum); applog(LOG_ERR, "Stratum connection interrupted"); continue; } if (!stratum_handle_method(&stratum, s)) stratum_handle_response(s); free(s); } out: return NULL ; } static void show_version_and_exit(void) { printf(PACKAGE_STRING "\n built on " __DATE__ "\n features:" #if defined(USE_ASM) && defined(__i386__) " i386" #endif #if defined(USE_ASM) && defined(__x86_64__) " x86_64" #endif #if defined(USE_ASM) && defined(__i386__) || defined(__x86_64__) " SSE2" #endif #if defined(__x86_64__) && defined(USE_AVX) " AVX" #endif #if defined(__x86_64__) && defined(USE_AVX2) " AVX2" #endif #if defined(__x86_64__) && defined(USE_XOP) " XOP" #endif #if defined(USE_ASM) && defined(__arm__) && defined(__APCS_32__) " ARM" #if defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \ defined(__ARM_ARCH_5TEJ__) || defined(__ARM_ARCH_6__) || \ defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \ defined(__ARM_ARCH_6M__) || defined(__ARM_ARCH_6T2__) || \ defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || \ defined(__ARM_ARCH_7__) || \ defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || \ defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) " ARMv5E" #endif #if defined(__ARM_NEON__) " NEON" #endif #endif "\n"); printf("%s\n", curl_version()); #ifdef JANSSON_VERSION printf("libjansson %s\n", JANSSON_VERSION); #endif exit(0); } static void show_usage_and_exit(int status) { if (status) fprintf(stderr, "Try `" PROGRAM_NAME " --help' for more information.\n"); else printf(usage); exit(status); } static void parse_arg(int key, char *arg) { char *p; int v, i; switch (key) { case 'a': for (i = 0; i < ARRAY_SIZE(algo_names); i++) { v = strlen(algo_names[i]); if (!strncmp(arg, algo_names[i], v)) { if (arg[v] == '\0') { opt_algo = i; break; } if (arg[v] == ':' && i == ALGO_SCRYPT) { char *ep; v = strtol(arg+v+1, &ep, 10); if (*ep || v & (v-1) || v < 2) continue; opt_algo = i; opt_scrypt_n = v; break; } } } if (i == ARRAY_SIZE(algo_names)) show_usage_and_exit(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); exit(1); } break; } case 'q': opt_quiet = true; break; case 'D': opt_debug = true; break; case 'p': free(rpc_pass); rpc_pass = strdup(arg); 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 < 1 || v > 9999) /* sanity check */ show_usage_and_exit(1); opt_n_threads = v; break; case 'u': free(rpc_user); rpc_user = strdup(arg); break; case 'o': /* --url */ 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); } else { if (!strlen(arg) || *arg == '/') show_usage_and_exit(1); free(rpc_url); rpc_url = malloc(strlen(arg) + 8); sprintf(rpc_url, "http://%s", arg); } p = strrchr(rpc_url, '@'); if (p) { char *sp, *ap; *p = '\0'; ap = strstr(rpc_url, "://") + 3; sp = strchr(ap, ':'); if (sp) { free(rpc_userpass); rpc_userpass = strdup(ap); free(rpc_user); rpc_user = 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); } memmove(ap, p + 1, strlen(p + 1) + 1); } have_stratum = !opt_benchmark && !strncasecmp(rpc_url, "stratum", 7); break; case 'O': /* --userpass */ p = strchr(arg, ':'); if (!p) show_usage_and_exit(1); free(rpc_userpass); rpc_userpass = strdup(arg); free(rpc_user); rpc_user = calloc(p - arg + 1, 1); strncpy(rpc_user, arg, p - arg); free(rpc_pass); rpc_pass = strdup(p + 1); 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); break; case 1001: free(opt_cert); opt_cert = strdup(arg); break; case 1005: opt_benchmark = true; want_longpoll = false; want_stratum = false; have_stratum = false; break; case 1003: want_longpoll = false; break; case 1007: want_stratum = false; break; case 1009: opt_redirect = false; break; case 'S': use_syslog = true; break; case 'V': show_version_and_exit(); case 'h': show_usage_and_exit(0); default: show_usage_and_exit(1); } } static void parse_config(void) { int i; json_t *val; if (!json_is_object(opt_config)) return; for (i = 0; i < ARRAY_SIZE(options); i++) { if (!options[i].name) break; if (!strcmp(options[i].name, "config")) continue; val = json_object_get(opt_config, options[i].name); if (!val) continue; if (options[i].has_arg && json_is_string(val)) { char *s = strdup(json_string_value(val)); if (!s) break; parse_arg(options[i].val, s); free(s); } else if (!options[i].has_arg && json_is_true(val)) parse_arg(options[i].val, ""); else applog(LOG_ERR, "JSON option %s invalid", options[i].name); } } 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(); } #ifndef WIN32 static void signal_handler(int sig) { switch (sig) { case SIGHUP: applog(LOG_INFO, "SIGHUP received"); break; case SIGINT: applog(LOG_INFO, "SIGINT received, exiting"); exit(0); break; case SIGTERM: applog(LOG_INFO, "SIGTERM received, exiting"); exit(0); break; } } #endif static inline int cpuid(int code, uint32_t where[4]) { asm volatile("cpuid":"=a"(*where),"=b"(*(where+1)), "=c"(*(where+2)),"=d"(*(where+3)):"a"(code)); return (int)where[0]; } static bool has_aes_ni() { uint32_t cpu_info[4]; cpuid(1, cpu_info); return cpu_info[2] & (1 << 25); } int main(int argc, char *argv[]) { struct thr_info *thr; long flags; int i; rpc_user = strdup(""); rpc_pass = strdup(""); /* parse command line */ parse_cmdline(argc, argv); if (opt_algo == ALGO_QUARK) { init_quarkhash_contexts(); } else if (opt_algo == ALGO_BLAKE) { init_blakehash_contexts(); } else if(opt_algo == ALGO_CRYPTONIGHT) { jsonrpc_2 = true; aes_ni_supported = has_aes_ni(); applog(LOG_INFO, "Using JSON-RPC 2.0"); applog(LOG_INFO, "CPU Supports AES-NI: %s", aes_ni_supported ? "YES" : "NO"); } if (!opt_benchmark && !rpc_url) { fprintf(stderr, "%s: no URL supplied\n", argv[0]); show_usage_and_exit(1); } if (!rpc_userpass) { rpc_userpass = malloc(strlen(rpc_user) + strlen(rpc_pass) + 2); if (!rpc_userpass) return 1; sprintf(rpc_userpass, "%s:%s", rpc_user, rpc_pass); } pthread_mutex_init(&applog_lock, NULL ); pthread_mutex_init(&stats_lock, NULL ); pthread_mutex_init(&g_work_lock, NULL ); pthread_mutex_init(&rpc2_job_lock, NULL ); pthread_mutex_init(&stratum.sock_lock, NULL ); pthread_mutex_init(&stratum.work_lock, NULL ); 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 1; } #ifndef WIN32 if (opt_background) { i = fork(); if (i < 0) exit(1); if (i > 0) exit(0); 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(SIGINT, signal_handler); signal(SIGTERM, signal_handler); } #endif #if defined(WIN32) SYSTEM_INFO sysinfo; GetSystemInfo(&sysinfo); num_processors = sysinfo.dwNumberOfProcessors; #elif defined(_SC_NPROCESSORS_CONF) num_processors = sysconf(_SC_NPROCESSORS_CONF); #elif defined(CTL_HW) && defined(HW_NCPU) int req[] = {CTL_HW, HW_NCPU}; size_t len = sizeof(num_processors); sysctl(req, 2, &num_processors, &len, NULL, 0); #else num_processors = 1; #endif if (num_processors < 1) num_processors = 1; if (!opt_n_threads) opt_n_threads = num_processors - 1; #ifdef HAVE_SYSLOG_H if (use_syslog) openlog("cpuminer", LOG_PID, LOG_USER); #endif work_restart = calloc(opt_n_threads, sizeof(*work_restart)); if (!work_restart) return 1; thr_info = calloc(opt_n_threads + 3, sizeof(*thr)); if (!thr_info) return 1; thr_hashrates = (double *) calloc(opt_n_threads, sizeof(double)); if (!thr_hashrates) return 1; /* init workio thread info */ 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 1; /* start work I/O thread */ if (pthread_create(&thr->pth, NULL, workio_thread, thr)) { applog(LOG_ERR, "workio thread create failed"); return 1; } if (want_longpoll && !have_stratum) { /* init longpoll thread info */ 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 1; /* start longpoll thread */ if (unlikely(pthread_create(&thr->pth, NULL, longpoll_thread, thr))) { applog(LOG_ERR, "longpoll thread create failed"); return 1; } } if (want_stratum) { /* init stratum thread info */ 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 1; /* start stratum thread */ if (unlikely(pthread_create(&thr->pth, NULL, stratum_thread, thr))) { applog(LOG_ERR, "stratum thread create failed"); return 1; } if (have_stratum) tq_push(thr_info[stratum_thr_id].q, strdup(rpc_url)); } /* start mining threads */ for (i = 0; i < opt_n_threads; i++) { thr = &thr_info[i]; thr->id = i; thr->q = tq_new(); if (!thr->q) return 1; if (unlikely(pthread_create(&thr->pth, NULL, miner_thread, thr))) { applog(LOG_ERR, "thread %d create failed", i); return 1; } } applog(LOG_INFO, "%d miner threads started, " "using '%s' algorithm.", opt_n_threads, algo_names[opt_algo]); /* main loop - simply wait for workio thread to exit */ pthread_join(thr_info[work_thr_id].pth, NULL ); applog(LOG_INFO, "workio thread dead, exiting."); return 0; }