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cgminer.c
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cgminer.c
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/*
* Copyright 2011-2017 Con Kolivas
* Copyright 2011-2015 Andrew Smith
* Copyright 2011-2012 Luke Dashjr
* Copyright 2010 Jeff Garzik
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option)
* any later version. See COPYING for more details.
*/
#include "config.h"
#ifdef HAVE_CURSES
#include <curses.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/time.h>
#include <time.h>
#include <math.h>
#include <stdarg.h>
#include <assert.h>
#include <signal.h>
#include <limits.h>
#ifdef USE_USBUTILS
#include <semaphore.h>
#endif
#ifdef USE_LIBSYSTEMD
#include <systemd/sd-daemon.h>
#endif
#include <sys/stat.h>
#include <sys/types.h>
#ifndef WIN32
#include <sys/resource.h>
#else
#include <winsock2.h>
#include <windows.h>
#endif
#include <ccan/opt/opt.h>
#include <jansson.h>
#ifdef HAVE_LIBCURL
#include <curl/curl.h>
#else
char *curly = ":D";
#endif
#include <libgen.h>
#include <sha2.h>
#include "compat.h"
#include "miner.h"
#include "bench_block.h"
#ifdef USE_USBUTILS
#include "usbutils.h"
#endif
#if defined(unix) || defined(__APPLE__)
#include <errno.h>
#include <fcntl.h>
#include <sys/wait.h>
#endif
#ifdef USE_AVALON
#include "driver-avalon.h"
#endif
#ifdef USE_AVALON2
#include "driver-avalon2.h"
#endif
#ifdef USE_AVALON4
#include "driver-avalon4.h"
#endif
#ifdef USE_AVALON7
#include "driver-avalon7.h"
#include "libssplus.h"
#endif
#ifdef USE_AVALON8
#include "driver-avalon8.h"
#endif
#ifdef USE_AVALON_MINER
#include "driver-avalon-miner.h"
#endif
#ifdef USE_BFLSC
#include "driver-bflsc.h"
#endif
#ifdef USE_SP10
#include "driver-spondoolies-sp10.h"
#endif
#ifdef USE_SP30
#include "driver-spondoolies-sp30.h"
#endif
#ifdef USE_BLOCK_ERUPTER
#include "driver-blockerupter.h"
#endif
#ifdef USE_BITFURY
#include "driver-bitfury.h"
#endif
#ifdef USE_BITFURY16
#include "driver-bitfury16.h"
#endif
#ifdef USE_COINTERRA
#include "driver-cointerra.h"
#endif
#ifdef USE_HASHFAST
#include "driver-hashfast.h"
#endif
#if defined(USE_ANT_S1) || defined(USE_ANT_S2) || defined(USE_ANT_S3)
#include "driver-bitmain.h"
#endif
#if defined(USE_BITFORCE) || defined(USE_ICARUS) || defined(USE_AVALON) || defined(USE_AVALON2) || defined(USE_MODMINER)
# define USE_FPGA
#endif
struct strategies strategies[] = {
{ "Failover" },
{ "Round Robin" },
{ "Rotate" },
{ "Load Balance" },
{ "Balance" },
};
static char packagename[256];
bool opt_work_update;
bool opt_clean_jobs = false;
bool opt_protocol;
static struct benchfile_layout {
int length;
char *name;
} benchfile_data[] = {
{ 1, "Version" },
{ 64, "MerkleRoot" },
{ 64, "PrevHash" },
{ 8, "DifficultyBits" },
{ 10, "NonceTime" } // 10 digits
};
enum benchwork {
BENCHWORK_VERSION = 0,
BENCHWORK_MERKLEROOT,
BENCHWORK_PREVHASH,
BENCHWORK_DIFFBITS,
BENCHWORK_NONCETIME,
BENCHWORK_COUNT
};
#ifdef HAVE_LIBCURL
static char *opt_btc_address;
static char *opt_btc_sig;
struct pool *opt_btcd;
#endif
static char *opt_benchfile;
static bool opt_benchfile_display;
static FILE *benchfile_in;
static int benchfile_line;
static int benchfile_work;
static bool opt_benchmark;
bool have_longpoll;
bool want_per_device_stats;
bool use_syslog;
bool opt_quiet;
bool opt_realquiet;
bool opt_loginput;
bool opt_compact;
bool opt_decode;
const int opt_cutofftemp = 95;
int opt_log_interval = 5;
static const int max_queue = 1;
const int max_scantime = 60;
const int max_expiry = 600;
uint64_t global_hashrate;
unsigned long global_quota_gcd = 1;
time_t last_getwork;
int opt_pool_fallback = 120;
#if defined(USE_USBUTILS)
int nDevs;
#endif
bool opt_restart = true;
bool opt_nogpu;
struct list_head scan_devices;
static bool opt_display_devs;
int total_devices;
int zombie_devs;
static int most_devices;
struct cgpu_info **devices;
int mining_threads;
int num_processors;
#ifdef HAVE_CURSES
bool use_curses = true;
#else
bool use_curses;
#endif
static bool opt_widescreen;
static bool alt_status;
static bool switch_status;
static bool opt_submit_stale = true;
static int opt_shares;
static bool opt_fix_protocol;
bool opt_lowmem;
bool opt_autofan;
bool opt_autoengine;
bool opt_noadl;
char *opt_api_allow = NULL;
char *opt_api_groups;
char *opt_api_description = PACKAGE_STRING;
int opt_api_port = 4028;
char *opt_api_host = API_LISTEN_ADDR;
bool opt_api_listen;
bool opt_api_mcast;
char *opt_api_mcast_addr = API_MCAST_ADDR;
char *opt_api_mcast_code = API_MCAST_CODE;
char *opt_api_mcast_des = "";
int opt_api_mcast_port = 4028;
bool opt_api_network;
bool opt_delaynet;
bool opt_disable_pool;
static bool no_work;
#ifdef USE_ICARUS
char *opt_icarus_options = NULL;
char *opt_icarus_timing = NULL;
float opt_anu_freq = 250;
float opt_au3_freq = 225;
float opt_compac_freq = 150;
int opt_au3_volt = 775;
float opt_rock_freq = 270;
#endif
bool opt_worktime;
#ifdef USE_AVALON
char *opt_avalon_options;
char *opt_bitburner_fury_options;
static char *opt_set_avalon_fan;
static char *opt_set_avalon_freq;
#endif
#ifdef USE_AVALON2
static char *opt_set_avalon2_freq;
static char *opt_set_avalon2_fan;
static char *opt_set_avalon2_voltage;
#endif
#ifdef USE_AVALON4
static char *opt_set_avalon4_fan;
static char *opt_set_avalon4_voltage;
static char *opt_set_avalon4_freq;
#endif
#ifdef USE_AVALON7
static char *opt_set_avalon7_fan;
static char *opt_set_avalon7_voltage;
static char *opt_set_avalon7_voltage_level;
static char *opt_set_avalon7_voltage_offset;
static char *opt_set_avalon7_freq;
#endif
#ifdef USE_AVALON8
static char *opt_set_avalon8_fan;
static char *opt_set_avalon8_voltage_level;
static char *opt_set_avalon8_voltage_level_offset;
static char *opt_set_avalon8_freq;
static char *opt_set_avalon8_asic_otp;
static char *opt_set_avalon8_adj;
#endif
#ifdef USE_AVALON_MINER
static char *opt_set_avalonm_voltage;
static char *opt_set_avalonm_freq;
#endif
#ifdef USE_BLOCKERUPTER
int opt_bet_clk = 0;
#endif
#ifdef USE_HASHRATIO
#include "driver-hashratio.h"
#endif
#ifdef USE_KLONDIKE
char *opt_klondike_options = NULL;
#endif
#ifdef USE_DRILLBIT
char *opt_drillbit_options = NULL;
char *opt_drillbit_auto = NULL;
#endif
char *opt_bab_options = NULL;
#ifdef USE_BITMINE_A1
char *opt_bitmine_a1_options = NULL;
#endif
#if defined(USE_ANT_S1) || defined(USE_ANT_S2)
char *opt_bitmain_options;
static char *opt_set_bitmain_fan;
char *opt_bitmain_freq;
// Ignored
static bool opt_bitmain_nobeeper;
static bool opt_bitmain_notempoverctrl;
static bool opt_bitmain_homemode;
#endif
#ifdef USE_ANT_S2
#ifndef USE_ANT_S3
char *opt_bitmain_dev;
#endif
char *opt_bitmain_voltage = BITMAIN_VOLTAGE_DEF;
#endif
#ifdef USE_HASHFAST
static char *opt_set_hfa_fan;
#endif
static char *opt_set_null;
#ifdef USE_MINION
int opt_minion_chipreport;
char *opt_minion_cores;
bool opt_minion_extra;
char *opt_minion_freq;
int opt_minion_freqchange = 1000;
int opt_minion_freqpercent = 70;
bool opt_minion_idlecount;
int opt_minion_ledcount;
int opt_minion_ledlimit = 98;
bool opt_minion_noautofreq;
bool opt_minion_overheat;
int opt_minion_spidelay;
char *opt_minion_spireset;
int opt_minion_spisleep = 200;
int opt_minion_spiusec;
char *opt_minion_temp;
#endif
#ifdef USE_USBUTILS
char *opt_usb_select = NULL;
int opt_usbdump = -1;
bool opt_usb_list_all;
cgsem_t usb_resource_sem;
static pthread_t usb_poll_thread;
static bool usb_polling;
static bool polling_usb;
static bool usb_reinit;
#endif
char *opt_kernel_path;
char *cgminer_path;
bool opt_gen_stratum_work;
#if defined(USE_BITFORCE)
bool opt_bfl_noncerange;
#endif
#define QUIET (opt_quiet || opt_realquiet)
struct thr_info *control_thr;
struct thr_info **mining_thr;
static int gwsched_thr_id;
static int watchpool_thr_id;
static int watchdog_thr_id;
#ifdef HAVE_CURSES
static int input_thr_id;
#endif
int gpur_thr_id;
static int api_thr_id;
#ifdef USE_USBUTILS
static int usbres_thr_id;
static int hotplug_thr_id;
#endif
static int total_control_threads;
bool hotplug_mode;
static int new_devices;
static int new_threads;
int hotplug_time = 5;
#if LOCK_TRACKING
pthread_mutex_t lockstat_lock;
#endif
pthread_mutex_t hash_lock;
static pthread_mutex_t *stgd_lock;
pthread_mutex_t console_lock;
cglock_t ch_lock;
static pthread_rwlock_t blk_lock;
static pthread_mutex_t sshare_lock;
pthread_rwlock_t netacc_lock;
pthread_rwlock_t mining_thr_lock;
pthread_rwlock_t devices_lock;
static pthread_mutex_t lp_lock;
static pthread_cond_t lp_cond;
pthread_mutex_t restart_lock;
pthread_cond_t restart_cond;
pthread_cond_t gws_cond;
double rolling1, rolling5, rolling15;
double total_rolling;
double total_mhashes_done;
static struct timeval total_tv_start, total_tv_end;
static struct timeval restart_tv_start, update_tv_start;
cglock_t control_lock;
pthread_mutex_t stats_lock;
int hw_errors;
int64_t total_accepted, total_rejected, total_diff1;
int64_t total_getworks, total_stale, total_discarded;
double total_diff_accepted, total_diff_rejected, total_diff_stale;
static int staged_rollable;
unsigned int new_blocks;
static unsigned int work_block;
unsigned int found_blocks;
unsigned int local_work;
unsigned int total_go, total_ro;
struct pool **pools;
static struct pool *currentpool = NULL;
int total_pools, enabled_pools;
enum pool_strategy pool_strategy = POOL_FAILOVER;
int opt_rotate_period;
static int total_urls, total_users, total_passes, total_userpasses;
static
#ifndef HAVE_CURSES
const
#endif
bool curses_active;
/* Protected by ch_lock */
char current_hash[68];
static char prev_block[12];
static char current_block[32];
static char datestamp[40];
static char blocktime[32];
struct timeval block_timeval;
static char best_share[8] = "0";
double current_diff = 0xFFFFFFFFFFFFFFFFULL;
static char block_diff[8];
uint64_t best_diff = 0;
struct block {
char hash[68];
UT_hash_handle hh;
int block_no;
};
static struct block *blocks = NULL;
int swork_id;
/* For creating a hash database of stratum shares submitted that have not had
* a response yet */
struct stratum_share {
UT_hash_handle hh;
bool block;
struct work *work;
int id;
time_t sshare_time;
time_t sshare_sent;
};
static struct stratum_share *stratum_shares = NULL;
char *opt_socks_proxy = NULL;
int opt_suggest_diff;
int opt_force_clean_jobs = 20;
static const char def_conf[] = "cgminer.conf";
static char *default_config;
static bool config_loaded;
static int include_count;
#define JSON_INCLUDE_CONF "include"
#define JSON_LOAD_ERROR "JSON decode of file '%s' failed\n %s"
#define JSON_LOAD_ERROR_LEN strlen(JSON_LOAD_ERROR)
#define JSON_MAX_DEPTH 10
#define JSON_MAX_DEPTH_ERR "Too many levels of JSON includes (limit 10) or a loop"
#define JSON_WEB_ERROR "WEB config err"
#if defined(unix) || defined(__APPLE__)
static char *opt_stderr_cmd = NULL;
static int forkpid;
#endif // defined(unix)
struct sigaction termhandler, inthandler, abrthandler;
struct thread_q *getq;
static uint32_t total_work;
struct work *staged_work = NULL;
struct schedtime {
bool enable;
struct tm tm;
};
struct schedtime schedstart;
struct schedtime schedstop;
bool sched_paused;
static bool time_before(struct tm *tm1, struct tm *tm2)
{
if (tm1->tm_hour < tm2->tm_hour)
return true;
if (tm1->tm_hour == tm2->tm_hour && tm1->tm_min < tm2->tm_min)
return true;
return false;
}
static bool should_run(void)
{
struct timeval tv;
struct tm *tm;
if (!schedstart.enable && !schedstop.enable)
return true;
cgtime(&tv);
const time_t tmp_time = tv.tv_sec;
tm = localtime(&tmp_time);
if (schedstart.enable) {
if (!schedstop.enable) {
if (time_before(tm, &schedstart.tm))
return false;
/* This is a once off event with no stop time set */
schedstart.enable = false;
return true;
}
if (time_before(&schedstart.tm, &schedstop.tm)) {
if (time_before(tm, &schedstop.tm) && !time_before(tm, &schedstart.tm))
return true;
return false;
} /* Times are reversed */
if (time_before(tm, &schedstart.tm)) {
if (time_before(tm, &schedstop.tm))
return true;
return false;
}
return true;
}
/* only schedstop.enable == true */
if (!time_before(tm, &schedstop.tm))
return false;
return true;
}
void get_datestamp(char *f, size_t fsiz, struct timeval *tv)
{
struct tm *tm;
const time_t tmp_time = tv->tv_sec;
int ms = (int)(tv->tv_usec / 1000);
tm = localtime(&tmp_time);
snprintf(f, fsiz, "[%d-%02d-%02d %02d:%02d:%02d.%03d]",
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour,
tm->tm_min,
tm->tm_sec, ms);
}
static void get_timestamp(char *f, size_t fsiz, struct timeval *tv)
{
struct tm *tm;
const time_t tmp_time = tv->tv_sec;
int ms = (int)(tv->tv_usec / 1000);
tm = localtime(&tmp_time);
snprintf(f, fsiz, "[%02d:%02d:%02d.%03d]",
tm->tm_hour,
tm->tm_min,
tm->tm_sec, ms);
}
static char exit_buf[512];
static void applog_and_exit(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vsnprintf(exit_buf, sizeof(exit_buf), fmt, ap);
va_end(ap);
_applog(LOG_ERR, exit_buf, true);
exit(1);
}
static pthread_mutex_t sharelog_lock;
static FILE *sharelog_file = NULL;
static struct thr_info *__get_thread(int thr_id)
{
return mining_thr[thr_id];
}
struct thr_info *get_thread(int thr_id)
{
struct thr_info *thr;
rd_lock(&mining_thr_lock);
thr = __get_thread(thr_id);
rd_unlock(&mining_thr_lock);
return thr;
}
static struct cgpu_info *get_thr_cgpu(int thr_id)
{
struct thr_info *thr = get_thread(thr_id);
return thr->cgpu;
}
struct cgpu_info *get_devices(int id)
{
struct cgpu_info *cgpu;
rd_lock(&devices_lock);
cgpu = devices[id];
rd_unlock(&devices_lock);
return cgpu;
}
static void sharelog(const char*disposition, const struct work*work)
{
char *target, *hash, *data;
struct cgpu_info *cgpu;
unsigned long int t;
struct pool *pool;
int thr_id, rv;
char s[1024];
size_t ret;
if (!sharelog_file)
return;
thr_id = work->thr_id;
cgpu = get_thr_cgpu(thr_id);
pool = work->pool;
t = (unsigned long int)(work->tv_work_found.tv_sec);
target = bin2hex(work->target, sizeof(work->target));
hash = bin2hex(work->hash, sizeof(work->hash));
data = bin2hex(work->data, sizeof(work->data));
// timestamp,disposition,target,pool,dev,thr,sharehash,sharedata
rv = snprintf(s, sizeof(s), "%lu,%s,%s,%s,%s%u,%u,%s,%s\n", t, disposition, target, pool->rpc_url, cgpu->drv->name, cgpu->device_id, thr_id, hash, data);
free(target);
free(hash);
free(data);
if (rv >= (int)(sizeof(s)))
s[sizeof(s) - 1] = '\0';
else if (rv < 0) {
applog(LOG_ERR, "sharelog printf error");
return;
}
mutex_lock(&sharelog_lock);
ret = fwrite(s, rv, 1, sharelog_file);
fflush(sharelog_file);
mutex_unlock(&sharelog_lock);
if (ret != 1)
applog(LOG_ERR, "sharelog fwrite error");
}
static char *gbt_req = "{\"id\": 0, \"method\": \"getblocktemplate\", \"params\": [{\"capabilities\": [\"coinbasetxn\", \"workid\", \"coinbase/append\"]}]}\n";
static char *gbt_solo_req = "{\"id\": 0, \"method\": \"getblocktemplate\", \"params\": [{\"rules\" : [\"segwit\"]}]}\n";
static const char *gbt_understood_rules[1] = { NULL };
static const char *gbt_solo_understood_rules[2] = {"segwit", NULL};
static bool gbt_check_required_rule(const char* rule, const char** understood_rules)
{
const char *understood_rule;
if (!understood_rules || !rule)
return false;
while ((understood_rule = *understood_rules++)) {
if (strcmp(understood_rule, rule) == 0)
return true;
}
return false;
}
static bool gbt_check_rules(json_t* rules_arr, const char** understood_rules)
{
int i, rule_count;
const char *rule;
if (!rules_arr)
return true;
rule_count = json_array_size(rules_arr);
for (i = 0; i < rule_count; i++) {
rule = json_string_value(json_array_get(rules_arr, i));
if (rule && *rule++ == '!' && !gbt_check_required_rule(rule, understood_rules))
return false;
}
return true;
}
/* Adjust all the pools' quota to the greatest common denominator after a pool
* has been added or the quotas changed. */
void adjust_quota_gcd(void)
{
unsigned long gcd, lowest_quota = ~0UL, quota;
struct pool *pool;
int i;
for (i = 0; i < total_pools; i++) {
pool = pools[i];
quota = pool->quota;
if (!quota)
continue;
if (quota < lowest_quota)
lowest_quota = quota;
}
if (likely(lowest_quota < ~0UL)) {
gcd = lowest_quota;
for (i = 0; i < total_pools; i++) {
pool = pools[i];
quota = pool->quota;
if (!quota)
continue;
while (quota % gcd)
gcd--;
}
} else
gcd = 1;
for (i = 0; i < total_pools; i++) {
pool = pools[i];
pool->quota_used *= global_quota_gcd;
pool->quota_used /= gcd;
pool->quota_gcd = pool->quota / gcd;
}
global_quota_gcd = gcd;
applog(LOG_DEBUG, "Global quota greatest common denominator set to %lu", gcd);
}
/* Return value is ignored if not called from input_pool */
struct pool *add_pool(void)
{
struct pool *pool;
pool = cgcalloc(sizeof(struct pool), 1);
pool->pool_no = pool->prio = total_pools;
pools = cgrealloc(pools, sizeof(struct pool *) * (total_pools + 2));
pools[total_pools++] = pool;
mutex_init(&pool->pool_lock);
if (unlikely(pthread_cond_init(&pool->cr_cond, NULL)))
quit(1, "Failed to pthread_cond_init in add_pool");
cglock_init(&pool->data_lock);
mutex_init(&pool->stratum_lock);
cglock_init(&pool->gbt_lock);
INIT_LIST_HEAD(&pool->curlring);
/* Make sure the pool doesn't think we've been idle since time 0 */
pool->tv_idle.tv_sec = ~0UL;
pool->rpc_req = gbt_req;
pool->rpc_proxy = NULL;
pool->quota = 1;
adjust_quota_gcd();
return pool;
}
/* Pool variant of test and set */
static bool pool_tset(struct pool *pool, bool *var)
{
bool ret;
mutex_lock(&pool->pool_lock);
ret = *var;
*var = true;
mutex_unlock(&pool->pool_lock);
return ret;
}
bool pool_tclear(struct pool *pool, bool *var)
{
bool ret;
mutex_lock(&pool->pool_lock);
ret = *var;
*var = false;
mutex_unlock(&pool->pool_lock);
return ret;
}
struct pool *current_pool(void)
{
struct pool *pool;
cg_rlock(&control_lock);
pool = currentpool;
cg_runlock(&control_lock);
return pool;
}
char *set_int_range(const char *arg, int *i, int min, int max)
{
char *err = opt_set_intval(arg, i);
if (err)
return err;
if (*i < min || *i > max)
return "Value out of range";
return NULL;
}
static char *set_int_0_to_65535(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 65535);
}
static char *set_int_0_to_9999(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 9999);
}
static char *set_int_1_to_65535(const char *arg, int *i)
{
return set_int_range(arg, i, 1, 65535);
}
#ifdef USE_AVALON8
static char *set_int_0_to_1(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 1);
}
static char *set_int_0_to_7(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 7);
}
#endif
static char *set_int_0_to_5(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 5);
}
static char *set_int_0_to_10(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 10);
}
static char *set_int_0_to_100(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 100);
}
static char *set_int_0_to_255(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 255);
}
static char *set_int_1_to_255(const char *arg, int *i)
{
return set_int_range(arg, i, 1, 255);
}
static char *set_int_0_to_7680(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 7680);
}
#if defined(USE_AVALON4)
static char *set_int_1_to_60(const char *arg, int *i)
{
return set_int_range(arg, i, 1, 60);
}
#endif
static char *set_int_0_to_200(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 200);
}
static char *set_int_32_to_63(const char *arg, int *i)
{
return set_int_range(arg, i, 32, 63);
}
static char *set_int_22_to_75(const char *arg, int *i)
{
return set_int_range(arg, i, 22, 75);
}
static char *set_int_42_to_85(const char *arg, int *i)
{
return set_int_range(arg, i, 42, 85);
}
static char *set_int_1_to_10(const char *arg, int *i)
{
return set_int_range(arg, i, 1, 10);
}
static char *set_int_24_to_32(const char *arg, int *i)
{
return set_int_range(arg, i, 24, 32);
}
static char __maybe_unused *set_int_0_to_2(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 2);
}
static char __maybe_unused *set_int_0_to_3(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 3);
}
static char __maybe_unused *set_int_0_to_4(const char *arg, int *i)
{
return set_int_range(arg, i, 0, 4);
}
#ifdef USE_FPGA_SERIAL
static char *opt_add_serial;
static char *add_serial(char *arg)
{
string_elist_add(arg, &scan_devices);
return NULL;
}
#endif
void get_intrange(char *arg, int *val1, int *val2)
{
if (sscanf(arg, "%d-%d", val1, val2) == 1)
*val2 = *val1;
}
static char *set_balance(enum pool_strategy *strategy)
{
*strategy = POOL_BALANCE;
return NULL;
}
static char *set_loadbalance(enum pool_strategy *strategy)
{
*strategy = POOL_LOADBALANCE;
return NULL;
}
static char *set_rotate(const char *arg, char __maybe_unused *i)
{
pool_strategy = POOL_ROTATE;
return set_int_range(arg, &opt_rotate_period, 0, 9999);
}
static char *set_rr(enum pool_strategy *strategy)
{
*strategy = POOL_ROUNDROBIN;
return NULL;
}
/* Detect that url is for a stratum protocol either via the presence of
* stratum+tcp or by detecting a stratum server response */
bool detect_stratum(struct pool *pool, char *url)
{
bool ret = false;
if (!extract_sockaddr(url, &pool->sockaddr_url, &pool->stratum_port))
goto out;
if (!strncasecmp(url, "stratum+tcp://", 14)) {
pool->rpc_url = strdup(url);
pool->has_stratum = true;
pool->stratum_url = pool->sockaddr_url;
ret = true;
}
out:
if (!ret) {
free(pool->sockaddr_url);