GOSTSec
/
ccminer-gostd-lite
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
GOSTCoin CUDA miner project, compatible with most nvidia cards, containing only gostd algo
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
760 Commits
1 Branch
55 Tags
65 MiB
 
 
 
 
 
 
Tree: 0a0fd33cac
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '0a0fd33cac'
${ noResults }
ccminer-gostd-lite/util.cpp

2244 lines
53 KiB
Raw Blame History

/*
* Copyright 2010 Jeff Garzik
* Copyright 2012-2014 pooler
* Copyright 2014 ccminer team
*
* 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.
*/
//#define _GNU_SOURCE
#include <ccminer-config.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <stdarg.h>
#include <string.h>
#include <inttypes.h>
#include <unistd.h>
#include <jansson.h>
#include <curl/curl.h>
#include <sys/stat.h>
#include <time.h>
#ifdef WIN32
#include "compat/winansi.h"
#include <winsock2.h>
#include <mstcpip.h>
#else
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#endif
#include "miner.h"
#include "elist.h"
extern pthread_mutex_t stratum_sock_lock;
extern pthread_mutex_t stratum_work_lock;
extern bool opt_debug_diff;
bool opt_tracegpu = false;
struct data_buffer {
void *buf;
size_t len;
};
struct upload_buffer {
const void *buf;
size_t len;
size_t pos;
};
struct header_info {
char *lp_path;
char *reason;
char *stratum_url;
};
struct tq_ent {
void *data;
struct list_head q_node;
};
struct thread_q {
struct list_head q;
bool frozen;
pthread_mutex_t mutex;
pthread_cond_t cond;
};
void applog(int prio, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
#ifdef HAVE_SYSLOG_H
if (use_syslog) {
va_list ap2;
char *buf;
int len;
/* custom colors to syslog prio */
if (prio > LOG_DEBUG) {
switch (prio) {
case LOG_BLUE: prio = LOG_NOTICE; break;
}
}
va_copy(ap2, ap);
len = vsnprintf(NULL, 0, fmt, ap2) + 1;
va_end(ap2);
buf = (char*) alloca(len);
if (vsnprintf(buf, len, fmt, ap) >= 0)
syslog(prio, "%s", buf);
}
#else
if (0) {}
#endif
else {
const char* color = "";
const time_t now = time(NULL);
char *f;
int len;
struct tm tm;
localtime_r(&now, &tm);
switch (prio) {
case LOG_ERR: color = CL_RED; break;
case LOG_WARNING: color = CL_YLW; break;
case LOG_NOTICE: color = CL_WHT; break;
case LOG_INFO: color = ""; break;
case LOG_DEBUG: color = CL_GRY; break;
case LOG_BLUE:
prio = LOG_NOTICE;
color = CL_CYN;
break;
}
if (!use_colors)
color = "";
len = 40 + (int) strlen(fmt) + 2;
f = (char*) alloca(len);
sprintf(f, "[%d-%02d-%02d %02d:%02d:%02d]%s %s%s\n",
tm.tm_year + 1900,
tm.tm_mon + 1,
tm.tm_mday,
tm.tm_hour,
tm.tm_min,
tm.tm_sec,
color,
fmt,
use_colors ? CL_N : ""
);
if (prio == LOG_RAW) {
// no time prefix, for ccminer -n
sprintf(f, "%s%s\n", fmt, CL_N);
}
pthread_mutex_lock(&applog_lock);
vfprintf(stdout, f, ap); /* atomic write to stdout */
fflush(stdout);
pthread_mutex_unlock(&applog_lock);
}
va_end(ap);
}
extern int gpu_threads;
// Use different prefix if multiple cpu threads per gpu
// Also, auto hide LOG_DEBUG if --debug (-D) is not used
void gpulog(int prio, int thr_id, const char *fmt, ...)
{
char _ALIGN(128) pfmt[128];
char _ALIGN(128) line[256];
int len, dev_id = device_map[thr_id % MAX_GPUS];
va_list ap;
if (prio == LOG_DEBUG && !opt_debug)
return;
if (gpu_threads > 1)
len = snprintf(pfmt, 128, "GPU T%d: %s", thr_id, fmt);
else
len = snprintf(pfmt, 128, "GPU #%d: %s", dev_id, fmt);
pfmt[sizeof(pfmt)-1]='\0';
va_start(ap, fmt);
if (len && vsnprintf(line, sizeof(line), pfmt, ap)) {
line[sizeof(line)-1]='\0';
applog(prio, "%s", line);
} else {
fprintf(stderr, "%s OOM!\n", __func__);
}
va_end(ap);
}
/* Get default config.json path (system specific) */
void get_defconfig_path(char *out, size_t bufsize, char *argv0)
{
char *cmd = strdup(argv0);
char *dir = dirname(cmd);
const char *sep = strstr(dir, "\\") ? "\\" : "/";
struct stat info;
#ifdef WIN32
snprintf(out, bufsize, "%s\\ccminer\\ccminer.conf\0", getenv("APPDATA"));
#else
snprintf(out, bufsize, "%s\\.ccminer\\ccminer.conf", getenv("HOME"));
#endif
if (dir && stat(out, &info) != 0) {
// binary folder if not present in user folder
snprintf(out, bufsize, "%s%sccminer.conf%s", dir, sep, "");
}
if (stat(out, &info) != 0) {
out[0] = '\0';
return;
}
out[bufsize - 1] = '\0';
free(cmd);
#ifdef WIN32
if (dir) free(dir);
#endif
}
void format_hashrate(double hashrate, char *output)
{
char prefix = '\0';
if (hashrate < 10000) {
// nop
}
else if (hashrate < 1e7) {
prefix = 'k';
hashrate *= 1e-3;
}
else if (hashrate < 1e10) {
prefix = 'M';
hashrate *= 1e-6;
}
else if (hashrate < 1e13) {
prefix = 'G';
hashrate *= 1e-9;
}
else {
prefix = 'T';
hashrate *= 1e-12;
}
sprintf(
output,
prefix ? "%.2f %cH/s" : "%.2f H/s%c",
hashrate, prefix
);
}
static void databuf_free(struct data_buffer *db)
{
if (!db)
return;
free(db->buf);
memset(db, 0, sizeof(*db));
}
static size_t all_data_cb(const void *ptr, size_t size, size_t nmemb,
void *user_data)
{
struct data_buffer *db = (struct data_buffer *)user_data;
size_t len = size * nmemb;
size_t oldlen, newlen;
void *newmem;
static const uchar zero = 0;
oldlen = db->len;
newlen = oldlen + len;
newmem = realloc(db->buf, newlen + 1);
if (!newmem)
return 0;
db->buf = newmem;
db->len = newlen;
memcpy((char*)db->buf + oldlen, ptr, len);
memcpy((char*)db->buf + newlen, &zero, 1); /* null terminate */
return len;
}
static size_t upload_data_cb(void *ptr, size_t size, size_t nmemb,
void *user_data)
{
struct upload_buffer *ub = (struct upload_buffer *)user_data;
unsigned int len = (unsigned int)(size * nmemb);
if (len > ub->len - ub->pos)
len = (unsigned int)(ub->len - ub->pos);
if (len) {
memcpy(ptr, (char*)ub->buf + ub->pos, len);
ub->pos += len;
}
return len;
}
#if LIBCURL_VERSION_NUM >= 0x071200
static int seek_data_cb(void *user_data, curl_off_t offset, int origin)
{
struct upload_buffer *ub = (struct upload_buffer *)user_data;
switch (origin) {
case SEEK_SET:
ub->pos = (size_t)offset;
break;
case SEEK_CUR:
ub->pos += (size_t)offset;
break;
case SEEK_END:
ub->pos = ub->len + (size_t)offset;
break;
default:
return 1; /* CURL_SEEKFUNC_FAIL */
}
return 0; /* CURL_SEEKFUNC_OK */
}
#endif
static size_t resp_hdr_cb(void *ptr, size_t size, size_t nmemb, void *user_data)
{
struct header_info *hi = (struct header_info *)user_data;
size_t remlen, slen, ptrlen = size * nmemb;
char *rem, *val = NULL, *key = NULL;
void *tmp;
val = (char*)calloc(1, ptrlen);
key = (char*)calloc(1, ptrlen);
if (!key || !val)
goto out;
tmp = memchr(ptr, ':', ptrlen);
if (!tmp || (tmp == ptr)) /* skip empty keys / blanks */
goto out;
slen = (size_t)((char*)tmp - (char*)ptr);
if ((slen + 1) == ptrlen) /* skip key w/ no value */
goto out;
memcpy(key, ptr, slen); /* store & nul term key */
key[slen] = 0;
rem = (char*)ptr + slen + 1; /* trim value's leading whitespace */
remlen = ptrlen - slen - 1;
while ((remlen > 0) && (isspace(*rem))) {
remlen--;
rem++;
}
memcpy(val, rem, remlen); /* store value, trim trailing ws */
val[remlen] = 0;
while ((*val) && (isspace(val[strlen(val) - 1]))) {
val[strlen(val) - 1] = 0;
}
if (!*val) /* skip blank value */
goto out;
if (!strcasecmp("X-Long-Polling", key)) {
hi->lp_path = val; /* X-Mining-Extensions: longpoll */
val = NULL;
}
if (!strcasecmp("X-Reject-Reason", key)) {
hi->reason = val; /* X-Mining-Extensions: reject-reason */
//applog(LOG_WARNING, "%s:%s", key, val);
val = NULL;
}
if (!strcasecmp("X-Stratum", key)) {
hi->stratum_url = val; /* steal memory reference */
val = NULL;
}
if (!strcasecmp("X-Nonce-Range", key)) {
/* todo when available: X-Mining-Extensions: noncerange */
}
out:
free(key);
free(val);
return ptrlen;
}
#if LIBCURL_VERSION_NUM >= 0x070f06
static int sockopt_keepalive_cb(void *userdata, curl_socket_t fd,
curlsocktype purpose)
{
int keepalive = 1;
int tcp_keepcnt = 3;
int tcp_keepidle = 50;
int tcp_keepintvl = 50;
#ifdef WIN32
DWORD outputBytes;
#endif
#ifndef WIN32
if (unlikely(setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &keepalive,
sizeof(keepalive))))
return 1;
#ifdef __linux
if (unlikely(setsockopt(fd, SOL_TCP, TCP_KEEPCNT,
&tcp_keepcnt, sizeof(tcp_keepcnt))))
return 1;
if (unlikely(setsockopt(fd, SOL_TCP, TCP_KEEPIDLE,
&tcp_keepidle, sizeof(tcp_keepidle))))
return 1;
if (unlikely(setsockopt(fd, SOL_TCP, TCP_KEEPINTVL,
&tcp_keepintvl, sizeof(tcp_keepintvl))))
return 1;
#endif /* __linux */
#ifdef __APPLE_CC__
if (unlikely(setsockopt(fd, IPPROTO_TCP, TCP_KEEPALIVE,
&tcp_keepintvl, sizeof(tcp_keepintvl))))
return 1;
#endif /* __APPLE_CC__ */
#else /* WIN32 */
struct tcp_keepalive vals;
vals.onoff = 1;
vals.keepalivetime = tcp_keepidle * 1000;
vals.keepaliveinterval = tcp_keepintvl * 1000;
if (unlikely(WSAIoctl(fd, SIO_KEEPALIVE_VALS, &vals, sizeof(vals),
NULL, 0, &outputBytes, NULL, NULL)))
return 1;
#endif /* WIN32 */
return 0;
}
#endif
/* For getwork (longpoll or wallet) - not stratum pools!
* DO NOT USE DIRECTLY
*/
static json_t *json_rpc_call(CURL *curl, const char *url,
const char *userpass, const char *rpc_req,
bool longpoll_scan, bool longpoll, bool keepalive, int *curl_err)
{
json_t *val, *err_val, *res_val;
int rc;
struct data_buffer all_data = { 0 };
struct upload_buffer upload_data;
json_error_t err;
struct curl_slist *headers = NULL;
char *httpdata;
char len_hdr[64], hashrate_hdr[64];
char curl_err_str[CURL_ERROR_SIZE] = { 0 };
long timeout = longpoll ? opt_timeout : opt_timeout/2;
struct header_info hi = { 0 };
bool lp_scanning = longpoll_scan && !have_longpoll;
/* it is assumed that 'curl' is freshly [re]initialized at this pt */
if (opt_protocol)
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_URL, url);
if (opt_cert) {
curl_easy_setopt(curl, CURLOPT_CAINFO, opt_cert);
// ignore CN domain name, allow to move cert files
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
}
curl_easy_setopt(curl, CURLOPT_ENCODING, "");
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 0);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, all_data_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, upload_data_cb);
curl_easy_setopt(curl, CURLOPT_READDATA, &upload_data);
#if LIBCURL_VERSION_NUM >= 0x071200
curl_easy_setopt(curl, CURLOPT_SEEKFUNCTION, &seek_data_cb);
curl_easy_setopt(curl, CURLOPT_SEEKDATA, &upload_data);
#endif
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_err_str);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout);
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, resp_hdr_cb);
curl_easy_setopt(curl, CURLOPT_HEADERDATA, &hi);
if (opt_proxy) {
curl_easy_setopt(curl, CURLOPT_PROXY, opt_proxy);
curl_easy_setopt(curl, CURLOPT_PROXYTYPE, opt_proxy_type);
}
if (userpass) {
curl_easy_setopt(curl, CURLOPT_USERPWD, userpass);
curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
}
#if LIBCURL_VERSION_NUM >= 0x070f06
if (keepalive)
curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_keepalive_cb);
#endif
curl_easy_setopt(curl, CURLOPT_POST, 1);
if (opt_protocol)
applog(LOG_DEBUG, "JSON protocol request:\n%s", rpc_req);
upload_data.buf = rpc_req;
upload_data.len = strlen(rpc_req);
upload_data.pos = 0;
sprintf(len_hdr, "Content-Length: %lu", (unsigned long) upload_data.len);
sprintf(hashrate_hdr, "X-Mining-Hashrate: %llu", (unsigned long long) global_hashrate);
headers = curl_slist_append(headers, "Content-Type: application/json");
headers = curl_slist_append(headers, len_hdr);
headers = curl_slist_append(headers, "User-Agent: " USER_AGENT);
headers = curl_slist_append(headers, "X-Mining-Extensions: longpoll noncerange reject-reason");
headers = curl_slist_append(headers, hashrate_hdr);
headers = curl_slist_append(headers, "Accept:"); /* disable Accept hdr*/
headers = curl_slist_append(headers, "Expect:"); /* disable Expect hdr*/
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
rc = curl_easy_perform(curl);
if (curl_err != NULL)
*curl_err = rc;
if (rc) {
if (!(longpoll && rc == CURLE_OPERATION_TIMEDOUT)) {
applog(LOG_ERR, "HTTP request failed: %s", curl_err_str);
goto err_out;
}
}
/* If X-Stratum was found, activate Stratum */
if (want_stratum && hi.stratum_url &&
!strncasecmp(hi.stratum_url, "stratum+tcp://", 14) &&
!(opt_proxy && opt_proxy_type == CURLPROXY_HTTP)) {
have_stratum = true;
tq_push(thr_info[stratum_thr_id].q, hi.stratum_url);
hi.stratum_url = NULL;
}
/* If X-Long-Polling was found, activate long polling */
if (lp_scanning && hi.lp_path && !have_stratum) {
have_longpoll = true;
tq_push(thr_info[longpoll_thr_id].q, hi.lp_path);
hi.lp_path = NULL;
}
if (!all_data.buf || !all_data.len) {
if (!have_longpoll) // seems normal on longpoll timeout
applog(LOG_ERR, "Empty data received in json_rpc_call.");
goto err_out;
}
httpdata = (char*) all_data.buf;
if (*httpdata != '{' && *httpdata != '[') {
long errcode = 0;
CURLcode c = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &errcode);
if (c == CURLE_OK && errcode == 401) {
applog(LOG_ERR, "You are not authorized, check your login and password.");
goto err_out;
}
}
val = JSON_LOADS(httpdata, &err);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
if (opt_protocol)
applog(LOG_DEBUG, "%s", httpdata);
goto err_out;
}
if (opt_protocol) {
char *s = json_dumps(val, JSON_INDENT(3));
applog(LOG_DEBUG, "JSON protocol response:\n%s\n", s);
free(s);
}
/* JSON-RPC valid response returns a non-null 'result',
* and a null 'error'. */
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_null(res_val) ||
(err_val && !json_is_null(err_val))) {
char *s = NULL;
if (err_val) {
s = json_dumps(err_val, 0);
json_t *msg = json_object_get(err_val, "message");
json_t *err_code = json_object_get(err_val, "code");
if (curl_err && json_integer_value(err_code))
*curl_err = (int) json_integer_value(err_code);
if (json_is_string(msg)) {
free(s);
s = strdup(json_string_value(msg));
if (have_longpoll && s && !strcmp(s, "method not getwork")) {
json_decref(err_val);
free(s);
goto err_out;
}
}
json_decref(err_val);
}
else
s = strdup("(unknown reason)");
if (!curl_err || opt_debug)
applog(LOG_ERR, "JSON-RPC call failed: %s", s);
free(s);
goto err_out;
}
if (hi.reason)
json_object_set_new(val, "reject-reason", json_string(hi.reason));
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_reset(curl);
return val;
err_out:
free(hi.lp_path);
free(hi.reason);
free(hi.stratum_url);
databuf_free(&all_data);
curl_slist_free_all(headers);
curl_easy_reset(curl);
return NULL;
}
/* getwork calls with pool pointer (wallet/longpoll pools) */
json_t *json_rpc_call_pool(CURL *curl, struct pool_infos *pool, const char *req,
bool longpoll_scan, bool longpoll, int *curl_err)
{
char userpass[512];
// todo, malloc and store that in pool array
snprintf(userpass, sizeof(userpass), "%s%c%s", pool->user,
strlen(pool->pass)?':':'\0', pool->pass);
return json_rpc_call(curl, pool->url, userpass, req, longpoll_scan, false, false, curl_err);
}
/* called only from longpoll thread, we have the lp_url */
json_t *json_rpc_longpoll(CURL *curl, char *lp_url, struct pool_infos *pool, const char *req, int *curl_err)
{
char userpass[512];
snprintf(userpass, sizeof(userpass), "%s%c%s", pool->user,
strlen(pool->pass)?':':'\0', pool->pass);
// on pool rotate by time-limit, this keepalive can be a problem
bool keepalive = pool->time_limit == 0 || pool->time_limit > opt_timeout;
return json_rpc_call(curl, lp_url, userpass, req, false, true, keepalive, curl_err);
}
json_t *json_load_url(char* cfg_url, json_error_t *err)
{
char err_str[CURL_ERROR_SIZE] = { 0 };
struct data_buffer all_data = { 0 };
int rc = 0; json_t *cfg = NULL;
CURL *curl = curl_easy_init();
if (unlikely(!curl)) {
applog(LOG_ERR, "Remote config init failed!");
return NULL;
}
curl_easy_setopt(curl, CURLOPT_URL, cfg_url);
curl_easy_setopt(curl, CURLOPT_FRESH_CONNECT, 1);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 15);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, err_str);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, all_data_cb);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
if (opt_proxy) {
curl_easy_setopt(curl, CURLOPT_PROXY, opt_proxy);
curl_easy_setopt(curl, CURLOPT_PROXYTYPE, opt_proxy_type);
} else if (getenv("http_proxy")) {
if (getenv("all_proxy"))
curl_easy_setopt(curl, CURLOPT_PROXY, getenv("all_proxy"));
else if (getenv("ALL_PROXY"))
curl_easy_setopt(curl, CURLOPT_PROXY, getenv("ALL_PROXY"));
else
curl_easy_setopt(curl, CURLOPT_PROXY, "");
}
rc = curl_easy_perform(curl);
if (rc) {
applog(LOG_ERR, "Remote config read failed: %s", err_str);
goto err_out;
}
if (!all_data.buf || !all_data.len) {
applog(LOG_ERR, "Empty data received for config");
goto err_out;
}
cfg = JSON_LOADS((char*)all_data.buf, err);
err_out:
curl_easy_cleanup(curl);
return cfg;
}
/**
* Unlike malloc, calloc set the memory to zero
*/
void *aligned_calloc(int size)
{
const int ALIGN = 64; // cache line
#ifdef _MSC_VER
void* res = _aligned_malloc(size, ALIGN);
memset(res, 0, size);
return res;
#else
void *mem = calloc(1, size+ALIGN+sizeof(uintptr_t));
void **ptr = (void**)((size_t)(((uintptr_t)(mem))+ALIGN+sizeof(uintptr_t)) & ~(ALIGN-1));
ptr[-1] = mem;
return ptr;
#endif
}
void aligned_free(void *ptr)
{
#ifdef _MSC_VER
_aligned_free(ptr);
#else
free(((void**)ptr)[-1]);
#endif
}
void cbin2hex(char *out, const char *in, size_t len)
{
if (out) {
unsigned int i;
for (i = 0; i < len; i++)
sprintf(out + (i * 2), "%02x", (uint8_t)in[i]);
}
}
char *bin2hex(const uchar *in, size_t len)
{
char *s = (char*)malloc((len * 2) + 1);
if (!s)
return NULL;
cbin2hex(s, (const char *) in, len);
return s;
}
bool hex2bin(void *output, const char *hexstr, size_t len)
{
uchar *p = (uchar *) output;
char hex_byte[4];
char *ep;
hex_byte[2] = '\0';
while (*hexstr && len) {
if (!hexstr[1]) {
applog(LOG_ERR, "hex2bin str truncated");
return false;
}
hex_byte[0] = hexstr[0];
hex_byte[1] = hexstr[1];
*p = (uchar) strtol(hex_byte, &ep, 16);
if (*ep) {
applog(LOG_ERR, "hex2bin failed on '%s'", hex_byte);
return false;
}
p++;
hexstr += 2;
len--;
}
return (len == 0 && *hexstr == 0) ? true : false;
}
/* Subtract the `struct timeval' values X and Y,
storing the result in RESULT.
Return 1 if the difference is negative, otherwise 0. */
int timeval_subtract(struct timeval *result, struct timeval *x,
struct timeval *y)
{
/* Perform the carry for the later subtraction by updating Y. */
if (x->tv_usec < y->tv_usec) {
int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
y->tv_usec -= 1000000 * nsec;
y->tv_sec += nsec;
}
if (x->tv_usec - y->tv_usec > 1000000) {
int nsec = (x->tv_usec - y->tv_usec) / 1000000;
y->tv_usec += 1000000 * nsec;
y->tv_sec -= nsec;
}
/* Compute the time remaining to wait.
* `tv_usec' is certainly positive. */
result->tv_sec = x->tv_sec - y->tv_sec;
result->tv_usec = x->tv_usec - y->tv_usec;
/* Return 1 if result is negative. */
return x->tv_sec < y->tv_sec;
}
bool fulltest(const uint32_t *hash, const uint32_t *target)
{
int i;
bool rc = true;
for (i = 7; i >= 0; i--) {
if (hash[i] > target[i]) {
rc = false;
break;
}
if (hash[i] < target[i]) {
rc = true;
break;
}
if (hash[1] == target[1]) {
applog(LOG_NOTICE, "We found a close match!");
}
}
if ((!rc && opt_debug) || opt_debug_diff) {
uint32_t hash_be[8], target_be[8];
char *hash_str, *target_str;
for (i = 0; i < 8; i++) {
be32enc(hash_be + i, hash[7 - i]);
be32enc(target_be + i, target[7 - i]);
}
hash_str = bin2hex((uchar *)hash_be, 32);
target_str = bin2hex((uchar *)target_be, 32);
applog(LOG_DEBUG, "DEBUG: %s\nHash: %s\nTarget: %s",
rc ? "hash <= target"
: CL_YLW "hash > target (false positive)" CL_N,
hash_str,
target_str);
free(hash_str);
free(target_str);
}
return rc;
}
// Only used by stratum pools
void diff_to_target(uint32_t *target, double diff)
{
uint64_t m;
int k;
for (k = 6; k > 0 && diff > 1.0; k--)
diff /= 4294967296.0;
m = (uint64_t)(4294901760.0 / diff);
if (m == 0 && k == 6)
memset(target, 0xff, 32);
else {
memset(target, 0, 32);
target[k] = (uint32_t)m;
target[k + 1] = (uint32_t)(m >> 32);
}
}
// Only used by stratum pools
void work_set_target(struct work* work, double diff)
{
diff_to_target(work->target, diff);
work->targetdiff = diff;
}
// Only used by longpoll pools
double target_to_diff(uint32_t* target)
{
uchar* tgt = (uchar*) target;
uint64_t m =
(uint64_t)tgt[29] << 56 |
(uint64_t)tgt[28] << 48 |
(uint64_t)tgt[27] << 40 |
(uint64_t)tgt[26] << 32 |
(uint64_t)tgt[25] << 24 |
(uint64_t)tgt[24] << 16 |
(uint64_t)tgt[23] << 8 |
(uint64_t)tgt[22] << 0;
if (!m)
return 0.;
else
return (double)0x0000ffff00000000/m;
}
#ifdef WIN32
#define socket_blocks() (WSAGetLastError() == WSAEWOULDBLOCK)
#else
#define socket_blocks() (errno == EAGAIN || errno == EWOULDBLOCK)
#endif
static bool send_line(curl_socket_t sock, char *s)
{
ssize_t len, sent = 0;
len = (ssize_t)strlen(s);
s[len++] = '\n';
while (len > 0) {
struct timeval timeout = {0, 0};
ssize_t n;
fd_set wd;
FD_ZERO(&wd);
FD_SET(sock, &wd);
if (select((int)sock + 1, NULL, &wd, NULL, &timeout) < 1)
return false;
n = send(sock, s + sent, len, 0);
if (n < 0) {
if (!socket_blocks())
return false;
n = 0;
}
sent += n;
len -= n;
}
return true;
}
bool stratum_send_line(struct stratum_ctx *sctx, char *s)
{
bool ret = false;
if (opt_protocol)
applog(LOG_DEBUG, "> %s", s);
pthread_mutex_lock(&stratum_sock_lock);
ret = send_line(sctx->sock, s);
pthread_mutex_unlock(&stratum_sock_lock);
return ret;
}
static bool socket_full(curl_socket_t sock, int timeout)
{
struct timeval tv;
fd_set rd;
FD_ZERO(&rd);
FD_SET(sock, &rd);
tv.tv_sec = timeout;
tv.tv_usec = 0;
if (select((int)sock + 1, &rd, NULL, NULL, &tv) > 0)
return true;
return false;
}
bool stratum_socket_full(struct stratum_ctx *sctx, int timeout)
{
if (!sctx->sockbuf) return false;
return strlen(sctx->sockbuf) || socket_full(sctx->sock, timeout);
}
#define RBUFSIZE 2048
#define RECVSIZE (RBUFSIZE - 4)
static void stratum_buffer_append(struct stratum_ctx *sctx, const char *s)
{
size_t old, snew;
old = strlen(sctx->sockbuf);
snew = old + strlen(s) + 1;
if (snew >= sctx->sockbuf_size) {
sctx->sockbuf_size = snew + (RBUFSIZE - (snew % RBUFSIZE));
sctx->sockbuf = (char*)realloc(sctx->sockbuf, sctx->sockbuf_size);
}
strcpy(sctx->sockbuf + old, s);
}
char *stratum_recv_line(struct stratum_ctx *sctx)
{
ssize_t len, buflen;
char *tok, *sret = NULL;
int timeout = opt_timeout;
if (!sctx->sockbuf)
return NULL;
if (!strstr(sctx->sockbuf, "\n")) {
bool ret = true;
time_t rstart = time(NULL);
if (!socket_full(sctx->sock, timeout)) {
applog(LOG_ERR, "stratum_recv_line timed out");
goto out;
}
do {
char s[RBUFSIZE];
ssize_t n;
memset(s, 0, RBUFSIZE);
n = recv(sctx->sock, s, RECVSIZE, 0);
if (!n) {
ret = false;
break;
}
if (n < 0) {
if (!socket_blocks() || !socket_full(sctx->sock, 1)) {
ret = false;
break;
}
} else
stratum_buffer_append(sctx, s);
} while (time(NULL) - rstart < timeout && !strstr(sctx->sockbuf, "\n"));
if (!ret) {
if (opt_debug) applog(LOG_ERR, "stratum_recv_line failed");
goto out;
}
}
buflen = (ssize_t)strlen(sctx->sockbuf);
tok = strtok(sctx->sockbuf, "\n");
if (!tok) {
applog(LOG_ERR, "stratum_recv_line failed to parse a newline-terminated string");
goto out;
}
sret = strdup(tok);
len = (ssize_t)strlen(sret);
if (buflen > len + 1)
memmove(sctx->sockbuf, sctx->sockbuf + len + 1, buflen - len + 1);
else
sctx->sockbuf[0] = '\0';
out:
if (sret && opt_protocol)
applog(LOG_DEBUG, "< %s", sret);
return sret;
}
#if LIBCURL_VERSION_NUM >= 0x071101
static curl_socket_t opensocket_grab_cb(void *clientp, curlsocktype purpose,
struct curl_sockaddr *addr)
{
curl_socket_t *sock = (curl_socket_t *)clientp;
*sock = socket(addr->family, addr->socktype, addr->protocol);
return *sock;
}
#endif
bool stratum_connect(struct stratum_ctx *sctx, const char *url)
{
CURL *curl;
int rc;
pthread_mutex_lock(&stratum_sock_lock);
if (sctx->curl)
curl_easy_cleanup(sctx->curl);
sctx->curl = curl_easy_init();
if (!sctx->curl) {
applog(LOG_ERR, "CURL initialization failed");
pthread_mutex_unlock(&stratum_sock_lock);
return false;
}
curl = sctx->curl;
if (!sctx->sockbuf) {
sctx->sockbuf = (char*)calloc(RBUFSIZE, 1);
sctx->sockbuf_size = RBUFSIZE;
}
sctx->sockbuf[0] = '\0';
pthread_mutex_unlock(&stratum_sock_lock);
if (url != sctx->url) {
free(sctx->url);
sctx->url = strdup(url);
}
free(sctx->curl_url);
sctx->curl_url = (char*)malloc(strlen(url)+1);
sprintf(sctx->curl_url, "http%s", strstr(url, "://"));
if (opt_protocol)
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
curl_easy_setopt(curl, CURLOPT_URL, sctx->curl_url);
curl_easy_setopt(curl, CURLOPT_FRESH_CONNECT, 1);
curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, opt_timeout);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, sctx->curl_err_str);
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
if (opt_proxy && opt_proxy_type != CURLPROXY_HTTP) {
curl_easy_setopt(curl, CURLOPT_PROXY, opt_proxy);
curl_easy_setopt(curl, CURLOPT_PROXYTYPE, opt_proxy_type);
} else if (getenv("http_proxy")) {
if (getenv("all_proxy"))
curl_easy_setopt(curl, CURLOPT_PROXY, getenv("all_proxy"));
else if (getenv("ALL_PROXY"))
curl_easy_setopt(curl, CURLOPT_PROXY, getenv("ALL_PROXY"));
else
curl_easy_setopt(curl, CURLOPT_PROXY, "");
}
#if LIBCURL_VERSION_NUM >= 0x070f06
curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_keepalive_cb);
#endif
#if LIBCURL_VERSION_NUM >= 0x071101
curl_easy_setopt(curl, CURLOPT_OPENSOCKETFUNCTION, opensocket_grab_cb);
curl_easy_setopt(curl, CURLOPT_OPENSOCKETDATA, &sctx->sock);
#endif
curl_easy_setopt(curl, CURLOPT_CONNECT_ONLY, 1);
rc = curl_easy_perform(curl);
if (rc) {
applog(LOG_ERR, "Stratum connection failed: %s", sctx->curl_err_str);
curl_easy_cleanup(curl);
sctx->curl = NULL;
return false;
}
#if LIBCURL_VERSION_NUM < 0x071101
/* CURLINFO_LASTSOCKET is broken on Win64; only use it as a last resort */
curl_easy_getinfo(curl, CURLINFO_LASTSOCKET, (long *)&sctx->sock);
#endif
return true;
}
void stratum_free_job(struct stratum_ctx *sctx)
{
pthread_mutex_lock(&stratum_work_lock);
if (sctx->job.job_id) {
free(sctx->job.job_id);
}
if (sctx->job.merkle_count) {
for (int i = 0; i < sctx->job.merkle_count; i++) {
free(sctx->job.merkle[i]);
sctx->job.merkle[i] = NULL;
}
free(sctx->job.merkle);
}
free(sctx->job.coinbase);
// note: xnonce2 is not allocated
memset(&(sctx->job.job_id), 0, sizeof(struct stratum_job));
pthread_mutex_unlock(&stratum_work_lock);
}
void stratum_disconnect(struct stratum_ctx *sctx)
{
pthread_mutex_lock(&stratum_sock_lock);
if (sctx->curl) {
pools[sctx->pooln].disconnects++;
curl_easy_cleanup(sctx->curl);
sctx->curl = NULL;
if (sctx->sockbuf)
sctx->sockbuf[0] = '\0';
// free(sctx->sockbuf);
// sctx->sockbuf = NULL;
}
if (sctx->job.job_id) {
stratum_free_job(sctx);
}
pthread_mutex_unlock(&stratum_sock_lock);
}
static const char *get_stratum_session_id(json_t *val)
{
json_t *arr_val;
int i, n;
arr_val = json_array_get(val, 0);
if (!arr_val || !json_is_array(arr_val))
return NULL;
n = (int) json_array_size(arr_val);
for (i = 0; i < n; i++) {
const char *notify;
json_t *arr = json_array_get(arr_val, i);
if (!arr || !json_is_array(arr))
break;
notify = json_string_value(json_array_get(arr, 0));
if (!notify)
continue;
if (!strcasecmp(notify, "mining.notify"))
return json_string_value(json_array_get(arr, 1));
}
return NULL;
}
static bool stratum_parse_extranonce(struct stratum_ctx *sctx, json_t *params, int pndx)
{
const char* xnonce1;
int xn2_size;
xnonce1 = json_string_value(json_array_get(params, pndx));
if (!xnonce1) {
applog(LOG_ERR, "Failed to get extranonce1");
goto out;
}
xn2_size = (int) json_integer_value(json_array_get(params, pndx+1));
if (!xn2_size) {
applog(LOG_ERR, "Failed to get extranonce2_size");
goto out;
}
if (xn2_size < 2 || xn2_size > 16) {
applog(LOG_INFO, "Failed to get valid n2size in parse_extranonce");
goto out;
}
pthread_mutex_lock(&stratum_work_lock);
if (sctx->xnonce1)
free(sctx->xnonce1);
sctx->xnonce1_size = strlen(xnonce1) / 2;
sctx->xnonce1 = (uchar*) calloc(1, sctx->xnonce1_size);
if (unlikely(!sctx->xnonce1)) {
applog(LOG_ERR, "Failed to alloc xnonce1");
pthread_mutex_unlock(&stratum_work_lock);
goto out;
}
hex2bin(sctx->xnonce1, xnonce1, sctx->xnonce1_size);
sctx->xnonce2_size = xn2_size;
pthread_mutex_unlock(&stratum_work_lock);
if (pndx == 0 && opt_debug) /* pool dynamic change */
applog(LOG_DEBUG, "Stratum set nonce %s with extranonce2 size=%d",
xnonce1, xn2_size);
return true;
out:
return false;
}
bool stratum_subscribe(struct stratum_ctx *sctx)
{
char *s, *sret = NULL;
const char *sid;
json_t *val = NULL, *res_val, *err_val;
json_error_t err;
bool ret = false, retry = false;
start:
s = (char*)malloc(128 + (sctx->session_id ? strlen(sctx->session_id) : 0));
if (retry)
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": []}");
else if (sctx->session_id)
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": [\"" USER_AGENT "\", \"%s\"]}", sctx->session_id);
else
sprintf(s, "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": [\"" USER_AGENT "\"]}");
if (!stratum_send_line(sctx, s))
goto out;
if (!socket_full(sctx->sock, 10)) {
applog(LOG_ERR, "stratum_subscribe timed out");
goto out;
}
sret = stratum_recv_line(sctx);
if (!sret)
goto out;
val = JSON_LOADS(sret, &err);
free(sret);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
if (json_integer_value(json_object_get(val, "id")) != 1) {
applog(LOG_WARNING, "Stratum subscribe answer id is not correct!");
}
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_null(res_val) ||
(err_val && !json_is_null(err_val))) {
if (opt_debug || retry) {
free(s);
if (err_val)
s = json_dumps(err_val, JSON_INDENT(3));
else
s = strdup("(unknown reason)");
applog(LOG_ERR, "JSON-RPC call failed: %s", s);
}
goto out;
}
// sid is param 1, extranonce params are 2 and 3
if (!stratum_parse_extranonce(sctx, res_val, 1)) {
goto out;
}
ret = true;
// session id (optional)
sid = get_stratum_session_id(res_val);
if (opt_debug && sid)
applog(LOG_DEBUG, "Stratum session id: %s", sid);
pthread_mutex_lock(&stratum_work_lock);
if (sctx->session_id)
free(sctx->session_id);
sctx->session_id = sid ? strdup(sid) : NULL;
sctx->next_diff = 1.0;
pthread_mutex_unlock(&stratum_work_lock);
out:
free(s);
if (val)
json_decref(val);
if (!ret) {
if (sret && !retry) {
retry = true;
goto start;
}
}
return ret;
}
extern bool opt_extranonce;
bool stratum_authorize(struct stratum_ctx *sctx, const char *user, const char *pass)
{
json_t *val = NULL, *res_val, *err_val;
char *s, *sret;
json_error_t err;
bool ret = false;
s = (char*)malloc(80 + strlen(user) + strlen(pass));
sprintf(s, "{\"id\": 2, \"method\": \"mining.authorize\", \"params\": [\"%s\", \"%s\"]}",
user, pass);
if (!stratum_send_line(sctx, s))
goto out;
while (1) {
sret = stratum_recv_line(sctx);
if (!sret)
goto out;
if (!stratum_handle_method(sctx, sret))
break;
free(sret);
}
val = JSON_LOADS(sret, &err);
free(sret);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
if (json_integer_value(json_object_get(val, "id")) != 2) {
applog(LOG_WARNING, "Stratum authorize answer id is not correct!");
}
res_val = json_object_get(val, "result");
err_val = json_object_get(val, "error");
if (!res_val || json_is_false(res_val) ||
(err_val && !json_is_null(err_val))) {
applog(LOG_ERR, "Stratum authentication failed");
goto out;
}
sctx->tm_connected = time(NULL);
ret = true;
if (!opt_extranonce)
goto out;
// subscribe to extranonce (optional)
sprintf(s, "{\"id\": 3, \"method\": \"mining.extranonce.subscribe\", \"params\": []}");
if (!stratum_send_line(sctx, s))
goto out;
// reduced timeout to handle pools ignoring this method without answer (like xpool.ca)
if (!socket_full(sctx->sock, 1)) {
if (opt_debug)
applog(LOG_DEBUG, "stratum extranonce subscribe timed out");
goto out;
}
sret = stratum_recv_line(sctx);
if (sret) {
json_t *extra = JSON_LOADS(sret, &err);
if (!extra) {
applog(LOG_WARNING, "JSON decode failed(%d): %s", err.line, err.text);
} else {
if (json_integer_value(json_object_get(extra, "id")) != 3) {
// we receive a standard method if extranonce is ignored
if (!stratum_handle_method(sctx, sret))
applog(LOG_WARNING, "Stratum extranonce answer id was not correct!");
} else {
res_val = json_object_get(extra, "result");
if (opt_debug && (!res_val || json_is_false(res_val)))
applog(LOG_DEBUG, "extranonce subscribe not supported");
}
json_decref(extra);
}
free(sret);
}
out:
free(s);
if (val)
json_decref(val);
return ret;
}
/**
* Extract bloc height L H... here len=3, height=0x1333e8
* "...0000000000ffffffff2703e83313062f503253482f043d61105408"
*/
static uint32_t getblocheight(struct stratum_ctx *sctx)
{
uint32_t height = 0;
uint8_t hlen = 0, *p, *m;
// find 0xffff tag
p = (uint8_t*) sctx->job.coinbase + 32;
m = p + 128;
while (*p != 0xff && p < m) p++;
while (*p == 0xff && p < m) p++;
if (*(p-1) == 0xff && *(p-2) == 0xff) {
p++; hlen = *p;
p++; height = le16dec(p);
p += 2;
switch (hlen) {
case 4:
height += 0x10000UL * le16dec(p);
break;
case 3:
height += 0x10000UL * (*p);
break;
}
}
return height;
}
static bool stratum_notify(struct stratum_ctx *sctx, json_t *params)
{
const char *job_id, *prevhash, *coinb1, *coinb2, *version, *nbits, *stime;
const char *claim = NULL, *nreward = NULL;
size_t coinb1_size, coinb2_size;
bool clean, ret = false;
int merkle_count, i, p=0;
json_t *merkle_arr;
uchar **merkle = NULL;
// uchar(*merkle_tree)[32] = { 0 };
int ntime;
char algo[64] = { 0 };
get_currentalgo(algo, sizeof(algo));
bool has_claim = !strcasecmp(algo, "lbry");
job_id = json_string_value(json_array_get(params, p++));
prevhash = json_string_value(json_array_get(params, p++));
if (has_claim) {
claim = json_string_value(json_array_get(params, p++));
if (!claim || strlen(claim) != 64) {
applog(LOG_ERR, "Stratum notify: invalid claim parameter");
goto out;
}
}
coinb1 = json_string_value(json_array_get(params, p++));
coinb2 = json_string_value(json_array_get(params, p++));
merkle_arr = json_array_get(params, p++);
if (!merkle_arr || !json_is_array(merkle_arr))
goto out;
merkle_count = (int) json_array_size(merkle_arr);
version = json_string_value(json_array_get(params, p++));
nbits = json_string_value(json_array_get(params, p++));
stime = json_string_value(json_array_get(params, p++));
clean = json_is_true(json_array_get(params, p)); p++;
nreward = json_string_value(json_array_get(params, p++));
if (!job_id || !prevhash || !coinb1 || !coinb2 || !version || !nbits || !stime ||
strlen(prevhash) != 64 || strlen(version) != 8 ||
strlen(nbits) != 8 || strlen(stime) != 8) {
applog(LOG_ERR, "Stratum notify: invalid parameters");
goto out;
}
/* store stratum server time diff */
hex2bin((uchar *)&ntime, stime, 4);
ntime = swab32(ntime) - (uint32_t) time(0);
if (ntime > sctx->srvtime_diff) {
sctx->srvtime_diff = ntime;
if (opt_protocol && ntime > 20)
applog(LOG_DEBUG, "stratum time is at least %ds in the future", ntime);
}
if (merkle_count)
merkle = (uchar**) malloc(merkle_count * sizeof(char *));
for (i = 0; i < merkle_count; i++) {
const char *s = json_string_value(json_array_get(merkle_arr, i));
if (!s || strlen(s) != 64) {
while (i--)
free(merkle[i]);
free(merkle);
applog(LOG_ERR, "Stratum notify: invalid Merkle branch");
goto out;
}
merkle[i] = (uchar*) malloc(32);
hex2bin(merkle[i], s, 32);
}
pthread_mutex_lock(&stratum_work_lock);
coinb1_size = strlen(coinb1) / 2;
coinb2_size = strlen(coinb2) / 2;
sctx->job.coinbase_size = coinb1_size + sctx->xnonce1_size +
sctx->xnonce2_size + coinb2_size;
sctx->job.coinbase = (uchar*) realloc(sctx->job.coinbase, sctx->job.coinbase_size);
sctx->job.xnonce2 = sctx->job.coinbase + coinb1_size + sctx->xnonce1_size;
hex2bin(sctx->job.coinbase, coinb1, coinb1_size);
memcpy(sctx->job.coinbase + coinb1_size, sctx->xnonce1, sctx->xnonce1_size);
if (!sctx->job.job_id || strcmp(sctx->job.job_id, job_id))
memset(sctx->job.xnonce2, 0, sctx->xnonce2_size);
hex2bin(sctx->job.xnonce2 + sctx->xnonce2_size, coinb2, coinb2_size);
free(sctx->job.job_id);
sctx->job.job_id = strdup(job_id);
hex2bin(sctx->job.prevhash, prevhash, 32);
if (has_claim) hex2bin(sctx->job.claim, claim, 32);
sctx->job.height = getblocheight(sctx);
for (i = 0; i < sctx->job.merkle_count; i++)
free(sctx->job.merkle[i]);
free(sctx->job.merkle);
sctx->job.merkle = merkle;
sctx->job.merkle_count = merkle_count;
hex2bin(sctx->job.version, version, 4);
hex2bin(sctx->job.nbits, nbits, 4);
hex2bin(sctx->job.ntime, stime, 4);
if(nreward != NULL)
{
if(strlen(nreward) == 4)
hex2bin(sctx->job.nreward, nreward, 2);
}
sctx->job.clean = clean;
sctx->job.diff = sctx->next_diff;
pthread_mutex_unlock(&stratum_work_lock);
ret = true;
out:
return ret;
}
extern volatile time_t g_work_time;
static bool stratum_set_difficulty(struct stratum_ctx *sctx, json_t *params)
{
double diff;
diff = json_number_value(json_array_get(params, 0));
if (diff <= 0.0)
return false;
pthread_mutex_lock(&stratum_work_lock);
sctx->next_diff = diff;
pthread_mutex_unlock(&stratum_work_lock);
return true;
}
static bool stratum_reconnect(struct stratum_ctx *sctx, json_t *params)
{
json_t *port_val;
const char *host;
int port;
host = json_string_value(json_array_get(params, 0));
port_val = json_array_get(params, 1);
if (json_is_string(port_val))
port = atoi(json_string_value(port_val));
else
port = (int) json_integer_value(port_val);
if (!host || !port)
return false;
free(sctx->url);
sctx->url = (char*)malloc(32 + strlen(host));
sprintf(sctx->url, "stratum+tcp://%s:%d", host, port);
applog(LOG_NOTICE, "Server requested reconnection to %s", sctx->url);
stratum_disconnect(sctx);
return true;
}
static bool stratum_pong(struct stratum_ctx *sctx, json_t *id)
{
char buf[64];
bool ret = false;
if (!id || json_is_null(id))
return ret;
sprintf(buf, "{\"id\":%d,\"result\":\"pong\",\"error\":null}",
(int) json_integer_value(id));
ret = stratum_send_line(sctx, buf);
return ret;
}
static bool stratum_get_algo(struct stratum_ctx *sctx, json_t *id, json_t *params)
{
char algo[64] = { 0 };
char *s;
json_t *val;
bool ret = true;
if (!id || json_is_null(id))
return false;
get_currentalgo(algo, sizeof(algo));
val = json_object();
json_object_set(val, "id", id);
json_object_set_new(val, "error", json_null());
json_object_set_new(val, "result", json_string(algo));
s = json_dumps(val, 0);
ret = stratum_send_line(sctx, s);
json_decref(val);
free(s);
return ret;
}
#include "nvml.h"
extern char driver_version[32];
extern int cuda_arch[MAX_GPUS];
static bool json_object_set_error(json_t *result, int code, const char *msg)
{
json_t *val = json_object();
json_object_set_new(val, "code", json_integer(code));
json_object_set_new(val, "message", json_string(msg));
return json_object_set_new(result, "error", val) != -1;
}
/* allow to report algo/device perf to the pool for algo stats */
static bool stratum_benchdata(json_t *result, json_t *params, int thr_id)
{
char algo[64] = { 0 };
char vid[32], arch[8], driver[32];
char *card;
char os[8];
uint32_t watts = 0;
int dev_id = device_map[thr_id];
int cuda_ver = cuda_version();
struct cgpu_info *cgpu = &thr_info[thr_id].gpu;
json_t *val;
if (!cgpu || !opt_stratum_stats) return false;
#if defined(WIN32) && (defined(_M_X64) || defined(__x86_64__))
strcpy(os, "win64");
#else
strcpy(os, is_windows() ? "win32" : "linux");
#endif
cuda_gpu_info(cgpu);
#ifdef USE_WRAPNVML
cgpu->has_monitoring = true;
cgpu->gpu_power = gpu_power(cgpu); // mWatts
watts = (cgpu->gpu_power >= 1000) ? cgpu->gpu_power / 1000 : 0; // ignore nvapi %
gpu_info(cgpu);
#endif
get_currentalgo(algo, sizeof(algo));
card = device_name[dev_id];
cgpu->khashes = stats_get_speed(thr_id, 0.0) / 1000.0;
sprintf(vid, "%04hx:%04hx", cgpu->gpu_vid, cgpu->gpu_pid);
sprintf(arch, "%d", (int) cgpu->gpu_arch);
if (cuda_arch[dev_id] > 0 && cuda_arch[dev_id] != cgpu->gpu_arch) {
// if binary was not compiled for the highest cuda arch, add it
snprintf(arch, 8, "%d@%d", (int) cgpu->gpu_arch, cuda_arch[dev_id]);
}
snprintf(driver, 32, "CUDA %d.%d %s", cuda_ver/1000, (cuda_ver%1000) / 10, driver_version);
driver[31] = '\0';
val = json_object();
json_object_set_new(val, "algo", json_string(algo));
json_object_set_new(val, "type", json_string("gpu"));
json_object_set_new(val, "device", json_string(card));
json_object_set_new(val, "vendorid", json_string(vid));
json_object_set_new(val, "arch", json_string(arch));
json_object_set_new(val, "freq", json_integer(cgpu->gpu_clock/1000));
json_object_set_new(val, "memf", json_integer(cgpu->gpu_memclock/1000));
json_object_set_new(val, "power", json_integer(watts));
json_object_set_new(val, "khashes", json_real(cgpu->khashes));
json_object_set_new(val, "intensity", json_real(cgpu->intensity));
json_object_set_new(val, "throughput", json_integer(cgpu->throughput));
json_object_set_new(val, "client", json_string(PACKAGE_NAME "/" PACKAGE_VERSION));
json_object_set_new(val, "os", json_string(os));
json_object_set_new(val, "driver", json_string(driver));
json_object_set_new(result, "result", val);
return true;
}
static bool stratum_get_stats(struct stratum_ctx *sctx, json_t *id, json_t *params)
{
char *s;
json_t *val;
bool ret;
if (!id || json_is_null(id))
return false;
val = json_object();
json_object_set(val, "id", id);
ret = stratum_benchdata(val, params, 0);
if (!ret) {
json_object_set_error(val, 1, "disabled"); //EPERM
} else {
json_object_set_new(val, "error", json_null());
}
s = json_dumps(val, 0);
ret = stratum_send_line(sctx, s);
json_decref(val);
free(s);
return ret;
}
static bool stratum_get_version(struct stratum_ctx *sctx, json_t *id, json_t *params)
{
char *s;
json_t *val;
bool ret = true;
if (!id || json_is_null(id))
return false;
val = json_object();
json_object_set(val, "id", id);
json_object_set_new(val, "result", json_string(USER_AGENT));
if (ret) json_object_set_new(val, "error", json_null());
s = json_dumps(val, 0);
ret = stratum_send_line(sctx, s);
json_decref(val);
free(s);
return ret;
}
static bool stratum_show_message(struct stratum_ctx *sctx, json_t *id, json_t *params)
{
char *s;
json_t *val;
bool ret;
val = json_array_get(params, 0);
if (val)
applog(LOG_NOTICE, "MESSAGE FROM SERVER: %s", json_string_value(val));
if (!id || json_is_null(id))
return true;
val = json_object();
json_object_set(val, "id", id);
json_object_set_new(val, "error", json_null());
json_object_set_new(val, "result", json_true());
s = json_dumps(val, 0);
ret = stratum_send_line(sctx, s);
json_decref(val);
free(s);
return ret;
}
static bool stratum_unknown_method(struct stratum_ctx *sctx, json_t *id)
{
char *s;
json_t *val;
bool ret = false;
if (!id || json_is_null(id))
return ret;
val = json_object();
json_object_set(val, "id", id);
json_object_set_new(val, "result", json_false());
json_object_set_error(val, 38, "unknown method"); // ENOSYS
s = json_dumps(val, 0);
ret = stratum_send_line(sctx, s);
json_decref(val);
free(s);
return ret;
}
bool stratum_handle_method(struct stratum_ctx *sctx, const char *s)
{
json_t *val, *id, *params;
json_error_t err;
const char *method;
bool ret = false;
val = JSON_LOADS(s, &err);
if (!val) {
applog(LOG_ERR, "JSON decode failed(%d): %s", err.line, err.text);
goto out;
}
method = json_string_value(json_object_get(val, "method"));
if (!method)
goto out;
id = json_object_get(val, "id");
params = json_object_get(val, "params");
if (!strcasecmp(method, "mining.notify")) {
ret = stratum_notify(sctx, params);
goto out;
}
if (!strcasecmp(method, "mining.ping")) { // cgminer 4.7.1+
if (opt_debug) applog(LOG_DEBUG, "Pool ping");
ret = stratum_pong(sctx, id);
goto out;
}
if (!strcasecmp(method, "mining.set_difficulty")) {
ret = stratum_set_difficulty(sctx, params);
goto out;
}
if (!strcasecmp(method, "mining.set_extranonce")) {
ret = stratum_parse_extranonce(sctx, params, 0);
goto out;
}
if (!strcasecmp(method, "client.reconnect")) {
ret = stratum_reconnect(sctx, params);
goto out;
}
if (!strcasecmp(method, "client.get_algo")) { // ccminer only yet!
// will prevent wrong algo parameters on a pool, will be used as test on rejects
if (!opt_quiet) applog(LOG_NOTICE, "Pool asked your algo parameter");
ret = stratum_get_algo(sctx, id, params);
goto out;
}
if (!strcasecmp(method, "client.get_stats")) { // ccminer/yiimp only yet!
// optional to fill device benchmarks
ret = stratum_get_stats(sctx, id, params);
goto out;
}
if (!strcasecmp(method, "client.get_version")) { // common
ret = stratum_get_version(sctx, id, params);
goto out;
}
if (!strcasecmp(method, "client.show_message")) { // common
ret = stratum_show_message(sctx, id, params);
goto out;
}
if (!ret) {
// don't fail = disconnect stratum on unknown (and optional?) methods
if (opt_debug) applog(LOG_WARNING, "unknown stratum method %s!", method);
ret = stratum_unknown_method(sctx, id);
}
out:
if (val)
json_decref(val);
return ret;
}
struct thread_q *tq_new(void)
{
struct thread_q *tq;
tq = (struct thread_q *)calloc(1, sizeof(*tq));
if (!tq)
return NULL;
INIT_LIST_HEAD(&tq->q);
pthread_mutex_init(&tq->mutex, NULL);
pthread_cond_init(&tq->cond, NULL);
return tq;
}
void tq_free(struct thread_q *tq)
{
struct tq_ent *ent, *iter;
if (!tq)
return;
list_for_each_entry_safe(ent, iter, &tq->q, q_node, struct tq_ent, struct tq_ent) {
list_del(&ent->q_node);
free(ent);
}
pthread_cond_destroy(&tq->cond);
pthread_mutex_destroy(&tq->mutex);
memset(tq, 0, sizeof(*tq)); /* poison */
free(tq);
}
static void tq_freezethaw(struct thread_q *tq, bool frozen)
{
pthread_mutex_lock(&tq->mutex);
tq->frozen = frozen;
pthread_cond_signal(&tq->cond);
pthread_mutex_unlock(&tq->mutex);
}
void tq_freeze(struct thread_q *tq)
{
tq_freezethaw(tq, true);
}
void tq_thaw(struct thread_q *tq)
{
tq_freezethaw(tq, false);
}
bool tq_push(struct thread_q *tq, void *data)
{
struct tq_ent *ent;
bool rc = true;
ent = (struct tq_ent *)calloc(1, sizeof(*ent));
if (!ent)
return false;
ent->data = data;
INIT_LIST_HEAD(&ent->q_node);
pthread_mutex_lock(&tq->mutex);
if (!tq->frozen) {
list_add_tail(&ent->q_node, &tq->q);
} else {
free(ent);
rc = false;
}
pthread_cond_signal(&tq->cond);
pthread_mutex_unlock(&tq->mutex);
return rc;
}
void *tq_pop(struct thread_q *tq, const struct timespec *abstime)
{
struct tq_ent *ent;
void *rval = NULL;
int rc;
pthread_mutex_lock(&tq->mutex);
if (!list_empty(&tq->q))
goto pop;
if (abstime)
rc = pthread_cond_timedwait(&tq->cond, &tq->mutex, abstime);
else
rc = pthread_cond_wait(&tq->cond, &tq->mutex);
if (rc)
goto out;
if (list_empty(&tq->q))
goto out;
pop:
ent = list_entry(tq->q.next, struct tq_ent, q_node);
rval = ent->data;
list_del(&ent->q_node);
free(ent);
out:
pthread_mutex_unlock(&tq->mutex);
return rval;
}
/**
* @param buf char[9] mini
* @param time_t timer to convert
*/
size_t time2str(char* buf, time_t timer)
{
struct tm* tm_info;
tm_info = localtime(&timer);
return strftime(buf, 19, "%H:%M:%S", tm_info);
}
/**
* Alloc and returns time string (to be freed)
* @param time_t timer to convert
*/
char* atime2str(time_t timer)
{
char* buf = (char*) malloc(16);
memset(buf, 0, 16);
time2str(buf, timer);
return buf;
}
/* sprintf can be used in applog */
static char* format_hash(char* buf, uint8_t* h)
{
uchar *hash = (uchar*) h;
int len = 0;
for (int i=0; i < 32; i += 4) {
len += sprintf(buf+len, "%02x%02x%02x%02x ",
hash[i], hash[i+1], hash[i+2], hash[i+3]);
}
return buf;
}
/* to debug diff in data */
void applog_compare_hash(void *hash, void *hash_ref)
{
char s[256] = "";
int len = 0;
uchar* hash1 = (uchar*)hash;
uchar* hash2 = (uchar*)hash_ref;
for (int i=0; i < 32; i += 4) {
const char *color = memcmp(hash1+i, hash2+i, 4) ? CL_WHT : CL_GRY;
len += sprintf(s+len, "%s%02x%02x%02x%02x " CL_GRY, color,
hash1[i], hash1[i+1], hash1[i+2], hash1[i+3]);
s[len] = '\0';
}
applog(LOG_DEBUG, "%s", s);
}
void applog_hash(void *hash)
{
char s[128] = {'\0'};
applog(LOG_DEBUG, "%s", format_hash(s, (uint8_t*)hash));
}
void applog_hash64(void *hash)
{
char s[128] = {'\0'};
char t[128] = {'\0'};
applog(LOG_DEBUG, "%s %s", format_hash(s, (uint8_t*)hash), format_hash(t, &((uint8_t*)hash)[32]));
}
void applog_hex(void *data, int len)
{
char* hex = bin2hex((uchar*)data, len);
applog(LOG_DEBUG, "%s", hex);
free(hex);
}
#define printpfx(n,h) \
printf("%s%11s%s: %s\n", CL_GRN, n, CL_N, format_hash(s, h))
static uint32_t zrtest[20] = {
swab32(0x01806486),
swab32(0x00000000),
swab32(0x00000000),
swab32(0x00000000),
swab32(0x00000000),
swab32(0x00000000),
swab32(0x00000000),
swab32(0x00000000),
swab32(0x00000000),
swab32(0x2ab03251),
swab32(0x87d4f28b),
swab32(0x6e22f086),
swab32(0x4845ddd5),
swab32(0x0ac4e6aa),
swab32(0x22a1709f),
swab32(0xfb4275d9),
swab32(0x25f26636),
swab32(0x300eed54),
swab32(0xffff0f1e),
swab32(0x2a9e2300),
};
void do_gpu_tests(void)
{
#ifdef _DEBUG
unsigned long done;
char s[128] = { '\0' };
struct work work;
memset(&work, 0, sizeof(work));
opt_tracegpu = true;
work_restart = (struct work_restart*) malloc(sizeof(struct work_restart));
work_restart[0].restart = 1;
work.target[7] = 0xffff;
//struct timeval tv;
//memset(work.data, 0, sizeof(work.data));
//scanhash_scrypt_jane(0, &work, NULL, 1, &done, &tv, &tv);
memset(work.data, 0, sizeof(work.data));
work.data[0] = 0;
scanhash_lbry(0, &work, 1, &done);
free(work_restart);
work_restart = NULL;
opt_tracegpu = false;
#endif
}
void print_hash_tests(void)
{
uchar *scratchbuf = NULL;
char s[128] = {'\0'};
uchar hash[128];
uchar buf[192];
// work space for scratchpad based algos
scratchbuf = (uchar*)calloc(128, 1024);
memset(buf, 0, sizeof buf);
// buf[0] = 1; buf[64] = 2; // for endian tests
printf(CL_WHT "CPU HASH ON EMPTY BUFFER RESULTS:" CL_N "\n");
blake256hash(&hash[0], &buf[0], 8);
printpfx("blakecoin", hash);
blake256hash(&hash[0], &buf[0], 14);
printpfx("blake", hash);
blake2s_hash(&hash[0], &buf[0]);
printpfx("blake2s", hash);
bmw_hash(&hash[0], &buf[0]);
printpfx("bmw", hash);
c11hash(&hash[0], &buf[0]);
printpfx("c11", hash);
memset(buf, 0, 180);
decred_hash(&hash[0], &buf[0]);
printpfx("decred", hash);
deephash(&hash[0], &buf[0]);
printpfx("deep", hash);
fresh_hash(&hash[0], &buf[0]);
printpfx("fresh", hash);
fugue256_hash(&hash[0], &buf[0], 32);
printpfx("fugue256", hash);
groestlhash(&hash[0], &buf[0]);
printpfx("groestl", hash);
heavycoin_hash(&hash[0], &buf[0], 32);
printpfx("heavy", hash);
jackpothash(&hash[0], &buf[0]);
printpfx("jackpot", hash);
keccak256_hash(&hash[0], &buf[0]);
printpfx("keccak", hash);
memset(buf, 0, 128);
lbry_hash(&hash[0], &buf[0]);
printpfx("lbry", hash);
luffa_hash(&hash[0], &buf[0]);
printpfx("luffa", hash);
lyra2re_hash(&hash[0], &buf[0]);
printpfx("lyra2", hash);
lyra2v2_hash(&hash[0], &buf[0]);
printpfx("lyra2v2", hash);
myriadhash(&hash[0], &buf[0]);
printpfx("myriad", hash);
neoscrypt(&hash[0], &buf[0], 80000620);
printpfx("neoscrypt", hash);
nist5hash(&hash[0], &buf[0]);
printpfx("nist5", hash);
pentablakehash(&hash[0], &buf[0]);
printpfx("pentablake", hash);
quarkhash(&hash[0], &buf[0]);
printpfx("quark", hash);
qubithash(&hash[0], &buf[0]);
printpfx("qubit", hash);
scrypthash(&hash[0], &buf[0]);
printpfx("scrypt", hash);
scryptjane_hash(&hash[0], &buf[0]);
printpfx("scrypt-jane", hash);
sibhash(&hash[0], &buf[0]);
printpfx("sib", hash);
skeincoinhash(&hash[0], &buf[0]);
printpfx("skein", hash);
skein2hash(&hash[0], &buf[0]);
printpfx("skein2", hash);
s3hash(&hash[0], &buf[0]);
printpfx("S3", hash);
blake256hash(&hash[0], &buf[0], 8);
printpfx("vanilla", hash);
wcoinhash(&hash[0], &buf[0]);
printpfx("whirlpool", hash);
//whirlxHash(&hash[0], &buf[0]);
//printpfx("whirlpoolx", hash);
x11evo_hash(&hash[0], &buf[0]);
printpfx("x11evo", hash);
x11hash(&hash[0], &buf[0]);
printpfx("X11", hash);
x13hash(&hash[0], &buf[0]);
printpfx("X13", hash);
x14hash(&hash[0], &buf[0]);
printpfx("X14", hash);
x15hash(&hash[0], &buf[0]);
printpfx("X15", hash);
x17hash(&hash[0], &buf[0]);
printpfx("X17", hash);
//memcpy(buf, zrtest, 80);
zr5hash(&hash[0], &buf[0]);
//zr5hash_pok(&hash[0], (uint32_t*) &buf[0]);
printpfx("ZR5", hash);
printf("\n");
do_gpu_tests();
free(scratchbuf);
}