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Introduce a --net-delay option which guarantees at least 250ms between any networking requests to not overload slow routers.

nfactor-troky
Con Kolivas 13 years ago
parent
commit
5179d22463
  1. 1
      README
  2. 7
      main.c
  3. 3
      miner.h
  4. 35
      util.c

1
README

@ -131,6 +131,7 @@ Options for both config file and command line:
--load-balance Change multipool strategy from failover to even load balance --load-balance Change multipool strategy from failover to even load balance
--log|-l <arg> Interval in seconds between log output (default: 5) --log|-l <arg> Interval in seconds between log output (default: 5)
--monitor|-m <arg> Use custom pipe cmd for output messages --monitor|-m <arg> Use custom pipe cmd for output messages
--net-delay Impose small delays in networking to not overload slow routers
--no-longpoll Disable X-Long-Polling support --no-longpoll Disable X-Long-Polling support
--pass|-p <arg> Password for bitcoin JSON-RPC server --pass|-p <arg> Password for bitcoin JSON-RPC server
--per-device-stats Force verbose mode and output per-device statistics --per-device-stats Force verbose mode and output per-device statistics

7
main.c

@ -239,6 +239,7 @@ char *opt_api_description = PACKAGE_STRING;
int opt_api_port = 4028; int opt_api_port = 4028;
bool opt_api_listen = false; bool opt_api_listen = false;
bool opt_api_network = false; bool opt_api_network = false;
bool opt_delaynet = false;
char *opt_kernel_path; char *opt_kernel_path;
char *cgminer_path; char *cgminer_path;
@ -262,6 +263,8 @@ static pthread_mutex_t qd_lock;
static pthread_mutex_t *stgd_lock; static pthread_mutex_t *stgd_lock;
static pthread_mutex_t curses_lock; static pthread_mutex_t curses_lock;
static pthread_rwlock_t blk_lock; static pthread_rwlock_t blk_lock;
pthread_rwlock_t netacc_lock;
double total_mhashes_done; double total_mhashes_done;
static struct timeval total_tv_start, total_tv_end; static struct timeval total_tv_start, total_tv_end;
@ -1631,6 +1634,9 @@ static struct opt_table opt_config_table[] = {
opt_set_charp, NULL, &opt_stderr_cmd, opt_set_charp, NULL, &opt_stderr_cmd,
"Use custom pipe cmd for output messages"), "Use custom pipe cmd for output messages"),
#endif // defined(unix) #endif // defined(unix)
OPT_WITHOUT_ARG("--net-delay",
opt_set_bool, &opt_delaynet,
"Impose small delays in networking to not overload slow routers"),
#ifdef HAVE_ADL #ifdef HAVE_ADL
OPT_WITHOUT_ARG("--no-adl", OPT_WITHOUT_ARG("--no-adl",
opt_set_bool, &opt_noadl, opt_set_bool, &opt_noadl,
@ -5875,6 +5881,7 @@ int main (int argc, char *argv[])
mutex_init(&curses_lock); mutex_init(&curses_lock);
mutex_init(&control_lock); mutex_init(&control_lock);
rwlock_init(&blk_lock); rwlock_init(&blk_lock);
rwlock_init(&netacc_lock);
sprintf(packagename, "%s %s", PACKAGE, VERSION); sprintf(packagename, "%s %s", PACKAGE, VERSION);

3
miner.h

@ -415,6 +415,9 @@ extern char *opt_api_description;
extern int opt_api_port; extern int opt_api_port;
extern bool opt_api_listen; extern bool opt_api_listen;
extern bool opt_api_network; extern bool opt_api_network;
extern bool opt_delaynet;
extern pthread_rwlock_t netacc_lock;
extern const uint32_t sha256_init_state[]; extern const uint32_t sha256_init_state[];
extern json_t *json_rpc_call(CURL *curl, const char *url, const char *userpass, extern json_t *json_rpc_call(CURL *curl, const char *url, const char *userpass,

35
util.c

@ -42,6 +42,7 @@
#endif #endif
bool successful_connect = false; bool successful_connect = false;
struct timeval nettime;
struct data_buffer { struct data_buffer {
void *buf; void *buf;
@ -286,6 +287,21 @@ int json_rpc_call_sockopt_cb(void *userdata, curl_socket_t fd, curlsocktype purp
} }
#endif #endif
static void last_nettime(struct timeval *last)
{
rd_lock(&netacc_lock);
last->tv_sec = nettime.tv_sec;
last->tv_usec = nettime.tv_usec;
rd_unlock(&netacc_lock);
}
static void set_nettime(void)
{
wr_lock(&netacc_lock);
gettimeofday(&nettime, NULL);
wr_unlock(&netacc_lock);
}
json_t *json_rpc_call(CURL *curl, const char *url, json_t *json_rpc_call(CURL *curl, const char *url,
const char *userpass, const char *rpc_req, const char *userpass, const char *rpc_req,
bool probe, bool longpoll, bool *rolltime, bool probe, bool longpoll, bool *rolltime,
@ -358,6 +374,25 @@ json_t *json_rpc_call(CURL *curl, const char *url,
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
if (opt_delaynet) {
long long now_msecs, last_msecs;
struct timeval now, last;
gettimeofday(&now, NULL);
last_nettime(&last);
now_msecs = (long long)now.tv_sec * 1000;
now_msecs += now.tv_usec / 1000;
last_msecs = (long long)last.tv_sec * 1000;
last_msecs += last.tv_usec / 1000;
if (now_msecs > last_msecs && now_msecs - last_msecs < 250) {
struct timespec rgtp;
rgtp.tv_sec = 0;
rgtp.tv_nsec = (250 - (now_msecs - last_msecs)) * 1000000;
nanosleep(&rgtp, NULL);
}
set_nettime();
}
rc = curl_easy_perform(curl); rc = curl_easy_perform(curl);
if (rc) { if (rc) {
applog(LOG_INFO, "HTTP request failed: %s", curl_err_str); applog(LOG_INFO, "HTTP request failed: %s", curl_err_str);

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