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pools.cpp
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pools.cpp
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/**
* Functions which handle multiple pools data
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "miner.h"
#include "compat.h"
#include "algos.h"
// to move in miner.h
extern bool allow_gbt;
extern bool allow_mininginfo;
extern bool check_dups;
extern double opt_max_diff;
extern double opt_max_rate;
extern int opt_scantime;
extern int opt_shares_limit;
extern int opt_time_limit;
extern char* rpc_url;
extern char* rpc_user;
extern char* rpc_pass;
extern char* short_url;
extern struct work _ALIGN(64) g_work;
extern struct stratum_ctx stratum;
extern pthread_mutex_t stratum_work_lock;
extern pthread_mutex_t stats_lock;
extern bool get_work(struct thr_info *thr, struct work *work);
extern bool stratum_need_reset;
extern time_t firstwork_time;
extern volatile time_t g_work_time;
extern volatile int pool_switch_count;
extern volatile bool pool_is_switching;
extern uint8_t conditional_state[MAX_GPUS];
extern double thr_hashrates[MAX_GPUS];
extern struct option options[];
#define CFG_NULL 0
#define CFG_POOL 1
struct opt_config_array {
int cat;
const char *name; // json key
const char *longname; // global opt name if different
} cfg_array_keys[] = {
{ CFG_POOL, "url", NULL }, /* let this key first, increment pools */
{ CFG_POOL, "user", NULL },
{ CFG_POOL, "pass", NULL },
{ CFG_POOL, "userpass", NULL },
{ CFG_POOL, "name", "pool-name" },
{ CFG_POOL, "algo", "pool-algo" },
{ CFG_POOL, "scantime", "pool-scantime" },
{ CFG_POOL, "max-diff", "pool-max-diff" },
{ CFG_POOL, "max-rate", "pool-max-rate" },
{ CFG_POOL, "disabled", "pool-disabled" },
{ CFG_POOL, "time-limit", "pool-time-limit" },
{ CFG_NULL, NULL, NULL }
};
// store current credentials in pools container
void pool_set_creds(int pooln)
{
struct pool_infos *p = &pools[pooln];
snprintf(p->url, sizeof(p->url), "%s", rpc_url);
snprintf(p->short_url, sizeof(p->short_url), "%s", short_url);
snprintf(p->user, sizeof(p->user), "%s", rpc_user);
snprintf(p->pass, sizeof(p->pass), "%s", rpc_pass);
if (!(p->status & POOL_ST_DEFINED)) {
p->id = pooln;
p->status |= POOL_ST_DEFINED;
// init pool options as "unset"
// until cmdline is fully parsed...
p->algo = -1;
p->max_diff = -1.;
p->max_rate = -1.;
p->scantime = -1;
p->shares_limit = -1;
p->time_limit = -1;
p->allow_mininginfo = allow_mininginfo;
p->allow_gbt = allow_gbt;
p->check_dups = check_dups;
p->status |= POOL_ST_DEFINED;
}
if (strlen(rpc_url)) {
if (!strncasecmp(rpc_url, "stratum", 7))
p->type = POOL_STRATUM;
else /* if (!strncasecmp(rpc_url, "http", 4)) */
p->type = POOL_GETWORK; // todo: or longpoll
p->status |= POOL_ST_VALID;
}
}
// fill the unset pools options with cmdline ones
void pool_init_defaults()
{
struct pool_infos *p;
for (int i=0; i<num_pools; i++) {
p = &pools[i];
if (p->algo == -1) p->algo = (int) opt_algo;
if (p->max_diff == -1.) p->max_diff = opt_max_diff;
if (p->max_rate == -1.) p->max_rate = opt_max_rate;
if (p->scantime == -1) p->scantime = opt_scantime;
if (p->shares_limit == -1) p->shares_limit = opt_shares_limit;
if (p->time_limit == -1) p->time_limit = opt_time_limit;
}
}
// attributes only set by a json pools config
void pool_set_attr(int pooln, const char* key, char* arg)
{
struct pool_infos *p = &pools[pooln];
if (!strcasecmp(key, "name")) {
snprintf(p->name, sizeof(p->name), "%s", arg);
return;
}
if (!strcasecmp(key, "algo")) {
p->algo = algo_to_int(arg);
return;
}
if (!strcasecmp(key, "scantime")) {
p->scantime = atoi(arg);
return;
}
if (!strcasecmp(key, "max-diff")) {
p->max_diff = atof(arg);
return;
}
if (!strcasecmp(key, "max-rate")) {
p->max_rate = atof(arg);
return;
}
if (!strcasecmp(key, "shares-limit")) {
p->shares_limit = atoi(arg);
return;
}
if (!strcasecmp(key, "time-limit")) {
p->time_limit = atoi(arg);
return;
}
if (!strcasecmp(key, "disabled")) {
int removed = atoi(arg);
if (removed) {
p->status |= POOL_ST_REMOVED;
}
return;
}
}
// pool switching code
bool pool_switch(int thr_id, int pooln)
{
int prevn = cur_pooln;
bool algo_switch = false;
struct pool_infos *prev = &pools[cur_pooln];
struct pool_infos* p = NULL;
// save prev stratum connection infos (struct)
if (prev->type & POOL_STRATUM) {
// may not be the right moment to free,
// to check if required on submit...
stratum_free_job(&stratum);
prev->stratum = stratum;
}
if (pooln < num_pools) {
cur_pooln = pooln;
p = &pools[cur_pooln];
} else {
applog(LOG_ERR, "Switch to inexistant pool %d!", pooln);
return false;
}
// save global attributes
prev->allow_mininginfo = allow_mininginfo;
prev->allow_gbt = allow_gbt;
prev->check_dups = check_dups;
pthread_mutex_lock(&stratum_work_lock);
free(rpc_user); rpc_user = strdup(p->user);
free(rpc_pass); rpc_pass = strdup(p->pass);
free(rpc_url); rpc_url = strdup(p->url);
short_url = p->short_url; // just a pointer, no alloc
opt_scantime = p->scantime;
opt_max_diff = p->max_diff;
opt_max_rate = p->max_rate;
opt_shares_limit = p->shares_limit;
opt_time_limit = p->time_limit;
want_stratum = have_stratum = (p->type & POOL_STRATUM) != 0;
// yiimp stats reporting
opt_stratum_stats = (strstr(p->pass, "stats") != NULL) || (strcmp(p->user, "benchmark") == 0);
pthread_mutex_unlock(&stratum_work_lock);
// algo "blind" switch without free, not proper
// todo: barrier required to free algo resources
if (p->algo != (int) opt_algo) {
if (opt_algo != ALGO_AUTO) {
algo_switch = true;
pthread_mutex_lock(&stats_lock);
for (int n=0; n<opt_n_threads; n++)
thr_hashrates[n] = 0.;
stats_purge_all();
if (check_dups)
hashlog_purge_all();
pthread_mutex_unlock(&stats_lock);
}
opt_algo = (enum sha_algos) p->algo;
}
if (prevn != cur_pooln) {
pool_switch_count++;
net_diff = 0;
g_work_time = 0;
g_work.data[0] = 0;
pool_is_switching = true;
stratum_need_reset = true;
// used to get the pool uptime
firstwork_time = time(NULL);
restart_threads();
// reset wait states
for (int n=0; n<opt_n_threads; n++)
conditional_state[n] = false;
// restore flags
allow_gbt = p->allow_gbt;
allow_mininginfo = p->allow_mininginfo;
check_dups = p->check_dups;
if (want_stratum) {
// temporary... until stratum code cleanup
stratum = p->stratum;
stratum.pooln = cur_pooln;
stratum.rpc2 = (p->algo == ALGO_WILDKECCAK || p->algo == ALGO_CRYPTONIGHT);
stratum.rpc2 |= p->algo == ALGO_CRYPTOLIGHT;
// unlock the stratum thread
tq_push(thr_info[stratum_thr_id].q, strdup(rpc_url));
applog(LOG_BLUE, "Switch to stratum pool %d: %s", cur_pooln,
strlen(p->name) ? p->name : p->short_url);
} else {
applog(LOG_BLUE, "Switch to pool %d: %s", cur_pooln,
strlen(p->name) ? p->name : p->short_url);
}
// will unlock the longpoll thread on /LP url receive
want_longpoll = (p->type & POOL_LONGPOLL) || !(p->type & POOL_STRATUM);
if (want_longpoll) {
pthread_mutex_lock(&stratum_work_lock);
// will issue a lp_url request to unlock the longpoll thread
have_longpoll = false;
get_work(&thr_info[0], &g_work);
pthread_mutex_unlock(&stratum_work_lock);
}
}
stratum.rpc2 = (p->algo == ALGO_WILDKECCAK || p->algo == ALGO_CRYPTONIGHT);
stratum.rpc2 |= p->algo == ALGO_CRYPTOLIGHT;
return true;
}
// search available pool
int pool_get_first_valid(int startfrom)
{
int next = 0;
struct pool_infos *p;
for (int i=0; i<num_pools; i++) {
int pooln = (startfrom + i) % num_pools;
p = &pools[pooln];
if (!(p->status & POOL_ST_VALID))
continue;
if (p->status & (POOL_ST_DISABLED | POOL_ST_REMOVED))
continue;
next = pooln;
break;
}
return next;
}
// switch to next available pool
bool pool_switch_next(int thr_id)
{
if (num_pools > 1) {
int pooln = pool_get_first_valid(cur_pooln+1);
return pool_switch(thr_id, pooln);
} else {
// no switch possible
if (!opt_quiet)
applog(LOG_DEBUG, "No other pools to try...");
return false;
}
}
// seturl from api remote (deprecated)
bool pool_switch_url(char *params)
{
int prevn = cur_pooln, nextn;
parse_arg('o', params);
// cur_pooln modified by parse_arg('o'), get new pool num
nextn = cur_pooln;
// and to handle the "hot swap" from current one...
cur_pooln = prevn;
if (nextn == prevn)
return false;
return pool_switch(-1, nextn);
}
// Parse pools array in json config
bool parse_pool_array(json_t *obj)
{
size_t idx;
json_t *p, *val;
if (!json_is_array(obj))
return false;
// array of objects [ {}, {} ]
json_array_foreach(obj, idx, p)
{
if (!json_is_object(p))
continue;
for (int i = 0; i < ARRAY_SIZE(cfg_array_keys); i++)
{
int opt = -1;
char *s = NULL;
if (cfg_array_keys[i].cat != CFG_POOL)
continue;
val = json_object_get(p, cfg_array_keys[i].name);
if (!val)
continue;
for (int k = 0; k < options_count(); k++)
{
const char *alias = cfg_array_keys[i].longname;
if (alias && !strcasecmp(options[k].name, alias)) {
opt = k;
break;
}
if (!alias && !strcasecmp(options[k].name, cfg_array_keys[i].name)) {
opt = k;
break;
}
}
if (opt == -1)
continue;
if (json_is_string(val)) {
s = strdup(json_string_value(val));
if (!s)
continue;
// applog(LOG_DEBUG, "pool key %s '%s'", options[opt].name, s);
parse_arg(options[opt].val, s);
free(s);
} else {
// numeric or bool
char buf[32] = { 0 };
double d = 0.;
if (json_is_true(val)) d = 1.;
else if (json_is_integer(val))
d = 1.0 * json_integer_value(val);
else if (json_is_real(val))
d = json_real_value(val);
snprintf(buf, sizeof(buf)-1, "%f", d);
// applog(LOG_DEBUG, "pool key %s '%f'", options[opt].name, d);
parse_arg(options[opt].val, buf);
}
}
}
return true;
}
// debug stuff
void pool_dump_infos()
{
struct pool_infos *p;
if (opt_benchmark) return;
for (int i=0; i<num_pools; i++) {
p = &pools[i];
applog(LOG_DEBUG, "POOL %01d: %s USER %s -s %d", i,
p->short_url, p->user, p->scantime);
}
}