GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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/*
* Copyright 2014 ccminer team
*
* Implementation by tpruvot (based on cgminer)
*
* 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 APIVERSION "1.1"
#ifdef _MSC_VER
# define _WINSOCK_DEPRECATED_NO_WARNINGS
# include <winsock2.h>
# include <mstcpip.h>
#endif
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <inttypes.h>
#include <unistd.h>
#include <sys/time.h>
#include <time.h>
#include <math.h>
#include <stdarg.h>
#include <assert.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "compat.h"
#include "miner.h"
#ifdef USE_WRAPNVML
#include "nvml.h"
#endif
#ifndef _MSC_VER
# include <errno.h>
# include <sys/socket.h>
# include <netinet/in.h>
# include <arpa/inet.h>
# include <netdb.h>
# define SOCKETTYPE long
# define SOCKETFAIL(a) ((a) < 0)
# define INVSOCK -1 /* INVALID_SOCKET */
# define INVINETADDR -1 /* INADDR_NONE */
# define CLOSESOCKET close
# define SOCKETINIT {}
# define SOCKERRMSG strerror(errno)
#else
# define SOCKETTYPE SOCKET
# define SOCKETFAIL(a) ((a) == SOCKET_ERROR)
# define INVSOCK INVALID_SOCKET
# define INVINETADDR INADDR_NONE
# define CLOSESOCKET closesocket
# define in_addr_t uint32_t
#endif
#define GROUP(g) (toupper(g))
#define PRIVGROUP GROUP('W')
#define NOPRIVGROUP GROUP('R')
#define ISPRIVGROUP(g) (GROUP(g) == PRIVGROUP)
#define GROUPOFFSET(g) (GROUP(g) - GROUP('A'))
#define VALIDGROUP(g) (GROUP(g) >= GROUP('A') && GROUP(g) <= GROUP('Z'))
#define COMMANDS(g) (apigroups[GROUPOFFSET(g)].commands)
#define DEFINEDGROUP(g) (ISPRIVGROUP(g) || COMMANDS(g) != NULL)
struct APIGROUPS {
// This becomes a string like: "|cmd1|cmd2|cmd3|" so it's quick to search
char *commands;
} apigroups['Z' - 'A' + 1]; // only A=0 to Z=25 (R: noprivs, W: allprivs)
struct IP4ACCESS {
in_addr_t ip;
in_addr_t mask;
char group;
};
static int ips = 1;
static struct IP4ACCESS *ipaccess = NULL;
// Big enough for largest API request
// though a PC with 100s of CPUs may exceed the size ...
// Current code assumes it can socket send this size also
#define MYBUFSIZ 16384
#define SOCK_REC_BUFSZ 256
// Socket is on 127.0.0.1
#define QUEUE 10
#define ALLIP4 "0.0.0.0"
static const char *localaddr = "127.0.0.1";
static const char *UNAVAILABLE = " - API will not be available";
static char *buffer = NULL;
static time_t startup = 0;
static int bye = 0;
extern int opt_intensity;
extern int opt_n_threads;
extern char *opt_api_allow;
extern int opt_api_listen; /* port */
extern uint64_t global_hashrate;
extern uint32_t accepted_count;
extern uint32_t rejected_count;
extern int device_map[8];
extern char *device_name[8];
#define gpu_threads opt_n_threads
/***************************************************************/
static void gpustatus(int thr_id)
{
if (thr_id >= 0 && thr_id < gpu_threads) {
struct cgpu_info *cgpu = &thr_info[thr_id].gpu;
char buf[512]; *buf = '\0';
char pstate[8];
char* card;
cgpu->thr_id = thr_id;
#ifdef USE_WRAPNVML
cgpu->has_monitoring = true;
cgpu->gpu_temp = gpu_temp(cgpu);
cgpu->gpu_fan = gpu_fanpercent(cgpu);
cgpu->gpu_pstate = gpu_pstate(cgpu);
cgpu->gpu_clock = gpu_clock(cgpu);
#endif
// todo: can be 0 if set by algo (auto)
if (opt_intensity == 0 && opt_work_size) {
int i = 0;
uint32_t ws = opt_work_size;
while (ws > 1 && i++ < 32)
ws = ws >> 1;
cgpu->intensity = i;
} else {
cgpu->intensity = opt_intensity;
}
// todo: per gpu
cgpu->accepted = accepted_count;
cgpu->rejected = rejected_count;
cgpu->khashes = stats_get_speed(thr_id, 0.0) / 1000.0;
snprintf(pstate, sizeof(pstate), "P%u", cgpu->gpu_pstate);
if (cgpu->gpu_pstate == -1)
*pstate= '\0';
card = device_name[device_map[thr_id]];
snprintf(buf, sizeof(buf), "GPU=%d;CARD=%s;TEMP=%.1f;FAN=%d;"
"FREQ=%d;PST=%s;KHS=%.2f;HWF=%d;I=%d|",
thr_id, card, cgpu->gpu_temp, cgpu->gpu_fan,
cgpu->gpu_clock, pstate, cgpu->khashes,
cgpu->hw_errors, cgpu->intensity);
// append to buffer for multi gpus
strcat(buffer, buf);
}
}
/*****************************************************************************/
/**
* Returns miner global infos
*/
static char *getsummary(char *params)
{
char algo[64]; *algo = '\0';
time_t ts = time(NULL);
double uptime = difftime(ts, startup);
double accps = (60.0 * accepted_count) / (uptime ? uptime : 1.0);
get_currentalgo(algo, sizeof(algo));
*buffer = '\0';
sprintf(buffer, "NAME=%s;VER=%s;API=%s;"
"ALGO=%s;GPUS=%d;KHS=%.2f;ACC=%d;REJ=%d;"
"ACCMN=%.3f;DIFF=%.6f;UPTIME=%.0f;TS=%u|",
PACKAGE_NAME, PACKAGE_VERSION, APIVERSION,
algo, gpu_threads, (double)global_hashrate / 1000.0,
accepted_count, rejected_count,
accps, global_diff, uptime, (uint32_t) ts);
return buffer;
}
/**
* Returns gpu/thread specific stats
*/
static char *getthreads(char *params)
{
*buffer = '\0';
for (int i = 0; i < gpu_threads; i++)
gpustatus(i);
return buffer;
}
/**
* Returns the last 20 scans stats (not the same as shares)
* optional param thread id (default all)
*/
static char *gethistory(char *params)
{
struct stats_data data[20];
int thr = params ? atoi(params) : -1;
char *p = buffer;
*buffer = '\0';
int records = stats_get_history(thr, data, ARRAY_SIZE(data));
for (int i = 0; i < records; i++) {
time_t ts = data[i].tm_stat;
p += sprintf(p, "GPU=%d;KHS=%.2f;DIFF=%.6f;"
"COUNT=%u;FOUND=%u;TS=%u|",
data[i].gpu_id, data[i].hashrate, data[i].difficulty,
data[i].hashcount, data[i].hashfound, (uint32_t)ts);
}
return buffer;
}
static char *gethelp(char *params);
struct CMDS {
const char *name;
char *(*func)(char *);
} cmds[] = {
{ "summary", getsummary },
{ "threads", getthreads },
{ "histo", gethistory },
/* keep it the last */
{ "help", gethelp },
};
#define CMDMAX ARRAY_SIZE(cmds)
static char *gethelp(char *params)
{
*buffer = '\0';
char * p = buffer;
for (int i = 0; i < CMDMAX-1; i++)
p += sprintf(p, "%s\n", cmds[i].name);
return buffer;
}
static int send_result(SOCKETTYPE c, char *result)
{
int n;
if (!result) {
n = send(c, "", 1, 0);
} else {
// ignore failure - it's closed immediately anyway
n = send(c, result, strlen(result) + 1, 0);
}
return n;
}
/*
* N.B. IP4 addresses are by Definition 32bit big endian on all platforms
*/
static void setup_ipaccess()
{
char *buf, *ptr, *comma, *slash, *dot;
int ipcount, mask, octet, i;
char group;
buf = (char*) calloc(1, strlen(opt_api_allow) + 1);
if (unlikely(!buf))
proper_exit(1);//, "Failed to malloc ipaccess buf");
strcpy(buf, opt_api_allow);
ipcount = 1;
ptr = buf;
while (*ptr) if (*(ptr++) == ',')
ipcount++;
// possibly more than needed, but never less
ipaccess = (struct IP4ACCESS *) calloc(ipcount, sizeof(struct IP4ACCESS));
if (unlikely(!ipaccess))
proper_exit(1);//, "Failed to calloc ipaccess");
ips = 0;
ptr = buf;
while (ptr && *ptr) {
while (*ptr == ' ' || *ptr == '\t')
ptr++;
if (*ptr == ',') {
ptr++;
continue;
}
comma = strchr(ptr, ',');
if (comma)
*(comma++) = '\0';
group = NOPRIVGROUP;
if (isalpha(*ptr) && *(ptr+1) == ':') {
if (DEFINEDGROUP(*ptr))
group = GROUP(*ptr);
ptr += 2;
}
ipaccess[ips].group = group;
if (strcmp(ptr, ALLIP4) == 0)
ipaccess[ips].ip = ipaccess[ips].mask = 0;
else
{
slash = strchr(ptr, '/');
if (!slash)
ipaccess[ips].mask = 0xffffffff;
else {
*(slash++) = '\0';
mask = atoi(slash);
if (mask < 1 || mask > 32)
goto popipo; // skip invalid/zero
ipaccess[ips].mask = 0;
while (mask-- >= 0) {
octet = 1 << (mask % 8);
ipaccess[ips].mask |= (octet << (24 - (8 * (mask >> 3))));
}
}
ipaccess[ips].ip = 0; // missing default to '.0'
for (i = 0; ptr && (i < 4); i++) {
dot = strchr(ptr, '.');
if (dot)
*(dot++) = '\0';
octet = atoi(ptr);
if (octet < 0 || octet > 0xff)
goto popipo; // skip invalid
ipaccess[ips].ip |= (octet << (24 - (i * 8)));
ptr = dot;
}
ipaccess[ips].ip &= ipaccess[ips].mask;
}
ips++;
popipo:
ptr = comma;
}
free(buf);
}
static bool check_connect(struct sockaddr_in *cli, char **connectaddr, char *group)
{
bool addrok = false;
*connectaddr = inet_ntoa(cli->sin_addr);
*group = NOPRIVGROUP;
if (opt_api_allow) {
int client_ip = htonl(cli->sin_addr.s_addr);
for (int i = 0; i < ips; i++) {
if ((client_ip & ipaccess[i].mask) == ipaccess[i].ip) {
addrok = true;
*group = ipaccess[i].group;
break;
}
}
}
else
addrok = (strcmp(*connectaddr, localaddr) == 0);
return addrok;
}
static void api()
{
const char *addr = opt_api_allow;
short int port = opt_api_listen; // 4068
char buf[MYBUFSIZ];
int c, n, bound;
char *connectaddr;
char *binderror;
char group;
time_t bindstart;
struct sockaddr_in serv;
struct sockaddr_in cli;
socklen_t clisiz;
bool addrok = false;
long long counter;
char *result;
char *params;
int i;
SOCKETTYPE *apisock;
if (!opt_api_listen && opt_debug) {
applog(LOG_DEBUG, "API disabled");
return;
}
if (opt_api_allow) {
setup_ipaccess();
if (ips == 0) {
applog(LOG_WARNING, "API not running (no valid IPs specified)%s", UNAVAILABLE);
}
}
apisock = (SOCKETTYPE*) calloc(1, sizeof(*apisock));
*apisock = INVSOCK;
sleep(1);
*apisock = socket(AF_INET, SOCK_STREAM, 0);
if (*apisock == INVSOCK) {
applog(LOG_ERR, "API initialisation failed (%s)%s", strerror(errno), UNAVAILABLE);
return;
}
memset(&serv, 0, sizeof(serv));
serv.sin_family = AF_INET;
serv.sin_addr.s_addr = inet_addr(addr);
if (serv.sin_addr.s_addr == (in_addr_t)INVINETADDR) {
applog(LOG_ERR, "API initialisation 2 failed (%s)%s", strerror(errno), UNAVAILABLE);
return;
}
serv.sin_port = htons(port);
#ifndef WIN32
// On linux with SO_REUSEADDR, bind will get the port if the previous
// socket is closed (even if it is still in TIME_WAIT) but fail if
// another program has it open - which is what we want
int optval = 1;
// If it doesn't work, we don't really care - just show a debug message
if (SOCKETFAIL(setsockopt(*apisock, SOL_SOCKET, SO_REUSEADDR, (void *)(&optval), sizeof(optval))))
applog(LOG_DEBUG, "API setsockopt SO_REUSEADDR failed (ignored): %s", SOCKERRMSG);
#else
// On windows a 2nd program can bind to a port>1024 already in use unless
// SO_EXCLUSIVEADDRUSE is used - however then the bind to a closed port
// in TIME_WAIT will fail until the timeout - so we leave the options alone
#endif
// try for 1 minute ... in case the old one hasn't completely gone yet
bound = 0;
bindstart = time(NULL);
while (bound == 0) {
if (bind(*apisock, (struct sockaddr *)(&serv), sizeof(serv)) < 0) {
binderror = strerror(errno);
if ((time(NULL) - bindstart) > 61)
break;
else {
if (!opt_quiet || opt_debug)
applog(LOG_WARNING, "API bind to port %d failed - trying again in 15sec", port);
sleep(15);
}
}
else
bound = 1;
}
if (bound == 0) {
applog(LOG_WARNING, "API bind to port %d failed (%s)%s", port, binderror, UNAVAILABLE);
free(apisock);
return;
}
if (SOCKETFAIL(listen(*apisock, QUEUE))) {
applog(LOG_ERR, "API initialisation 3 failed (%s)%s", strerror(errno), UNAVAILABLE);
CLOSESOCKET(*apisock);
free(apisock);
return;
}
buffer = (char *) calloc(1, MYBUFSIZ + 1);
counter = 0;
while (bye == 0) {
counter++;
clisiz = sizeof(cli);
if (SOCKETFAIL(c = accept(*apisock, (struct sockaddr *)(&cli), &clisiz))) {
applog(LOG_ERR, "API failed (%s)%s", strerror(errno), UNAVAILABLE);
CLOSESOCKET(*apisock);
free(apisock);
free(buffer);
return;
}
addrok = check_connect(&cli, &connectaddr, &group);
if (opt_debug && opt_protocol)
applog(LOG_DEBUG, "API: connection from %s - %s",
connectaddr, addrok ? "Accepted" : "Ignored");
if (addrok) {
bool fail;
n = recv(c, &buf[0], SOCK_REC_BUFSZ, 0);
fail = SOCKETFAIL(n);
if (fail)
buf[0] = '\0';
else if (n > 0 && buf[n-1] == '\n') {
/* telnet compat \r\n */
buf[n-1] = '\0'; n--;
if (n > 0 && buf[n-1] == '\r')
buf[n-1] = '\0';
}
buf[n] = '\0';
//if (opt_debug && opt_protocol && n > 0)
// applog(LOG_DEBUG, "API: recv command: (%d) '%s'+char(%x)", n, buf, buf[n-1]);
if (!fail) {
params = strchr(buf, '|');
if (params != NULL)
*(params++) = '\0';
if (opt_debug && opt_protocol && n > 0)
applog(LOG_DEBUG, "API: exec command %s(%s)", buf, params);
for (i = 0; i < CMDMAX; i++) {
if (strcmp(buf, cmds[i].name) == 0) {
result = (cmds[i].func)(params);
send_result(c, result);
break;
}
}
CLOSESOCKET(c);
}
}
}
CLOSESOCKET(*apisock);
free(apisock);
free(buffer);
}
/* external access */
void *api_thread(void *userdata)
{
struct thr_info *mythr = (struct thr_info*)userdata;
startup = time(NULL);
api();
tq_freeze(mythr->q);
return NULL;
}