int SrsServer::do_cycle()
{
int ret = ERROR_SUCCESS;
// find the max loop
int max = srs_max(0, SRS_SYS_TIME_RESOLUTION_MS_TIMES);
max = srs_max(max, SRS_SYS_RUSAGE_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_CPU_STAT_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_MEMINFO_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_PLATFORM_INFO_RESOLUTION_TIMES);
// the deamon thread, update the time cache
while (true) {
for (int i = 1; i < max + 1; i++) {
st_usleep(SRS_SYS_CYCLE_INTERVAL * 1000);
// for gperf heap checker,
// @see: research/gperftools/heap-checker/heap_checker.cc
// if user interrupt the program, exit to check mem leak.
// but, if gperf, use reload to ensure main return normally,
// because directly exit will cause core-dump.
#ifdef SRS_AUTO_GPERF_MC
if (signal_gmc_stop) {
srs_warn("gmc got singal to stop server.");
return ret;
}
#endif
if (signal_reload) {
signal_reload = false;
srs_info("get signal reload, to reload the config.");
if ((ret = _srs_config->reload()) != ERROR_SUCCESS) {
srs_error("reload config failed. ret=%d", ret);
return ret;
}
srs_trace("reload config success.");
}
// update the cache time or rusage.
if ((i % SRS_SYS_TIME_RESOLUTION_MS_TIMES) == 0) {
srs_update_system_time_ms();
}
if ((i % SRS_SYS_RUSAGE_RESOLUTION_TIMES) == 0) {
srs_update_system_rusage();
}
if ((i % SRS_SYS_CPU_STAT_RESOLUTION_TIMES) == 0) {
srs_update_proc_stat();
}
if ((i % SRS_SYS_MEMINFO_RESOLUTION_TIMES) == 0) {
srs_update_meminfo();
}
if ((i % SRS_SYS_PLATFORM_INFO_RESOLUTION_TIMES) == 0) {
srs_update_platform_info();
}
}
}
return ret;
}
int SrsServer::do_cycle()
{
int ret = ERROR_SUCCESS;
// find the max loop
int max = srs_max(0, SRS_SYS_TIME_RESOLUTION_MS_TIMES);
max = srs_max(max, SRS_SYS_RUSAGE_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_CPU_STAT_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_DISK_STAT_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_MEMINFO_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_PLATFORM_INFO_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_NETWORK_DEVICE_RESOLUTION_TIMES);
max = srs_max(max, SRS_SYS_NETWORK_RTMP_SERVER_RESOLUTION_TIMES);
// the deamon thread, update the time cache
while (true) {
// the interval in config.
int heartbeat_max_resolution = (int)(_srs_config->get_heartbeat_interval() / 100);
// dynamic fetch the max.
int __max = max;
__max = srs_max(__max, heartbeat_max_resolution);
for (int i = 0; i < __max; i++) {
st_usleep(SRS_SYS_CYCLE_INTERVAL * 1000);
// for gperf heap checker,
// @see: research/gperftools/heap-checker/heap_checker.cc
// if user interrupt the program, exit to check mem leak.
// but, if gperf, use reload to ensure main return normally,
// because directly exit will cause core-dump.
#ifdef SRS_AUTO_GPERF_MC
if (signal_gmc_stop) {
srs_warn("gmc got singal to stop server.");
return ret;
}
#endif
if (signal_reload) {
signal_reload = false;
srs_info("get signal reload, to reload the config.");
if ((ret = _srs_config->reload()) != ERROR_SUCCESS) {
srs_error("reload config failed. ret=%d", ret);
return ret;
}
srs_trace("reload config success.");
}
// update the cache time or rusage.
if ((i % SRS_SYS_TIME_RESOLUTION_MS_TIMES) == 0) {
srs_info("update current time cache.");
srs_update_system_time_ms();
}
if ((i % SRS_SYS_RUSAGE_RESOLUTION_TIMES) == 0) {
srs_info("update resource info, rss.");
srs_update_system_rusage();
}
if ((i % SRS_SYS_CPU_STAT_RESOLUTION_TIMES) == 0) {
srs_info("update cpu info, cpu usage.");
srs_update_proc_stat();
}
if ((i % SRS_SYS_DISK_STAT_RESOLUTION_TIMES) == 0) {
srs_info("update disk info, disk iops.");
srs_update_disk_stat();
}
if ((i % SRS_SYS_MEMINFO_RESOLUTION_TIMES) == 0) {
srs_info("update memory info, usage/free.");
srs_update_meminfo();
}
if ((i % SRS_SYS_PLATFORM_INFO_RESOLUTION_TIMES) == 0) {
srs_info("update platform info, uptime/load.");
srs_update_platform_info();
}
if ((i % SRS_SYS_NETWORK_DEVICE_RESOLUTION_TIMES) == 0) {
srs_info("update network devices info.");
srs_update_network_devices();
}
if ((i % SRS_SYS_NETWORK_RTMP_SERVER_RESOLUTION_TIMES) == 0) {
srs_info("update network rtmp server info.");
resample_kbps(NULL);
srs_update_rtmp_server((int)conns.size(), kbps);
}
#ifdef SRS_AUTO_HTTP_PARSER
if (_srs_config->get_heartbeat_enabled()) {
if ((i % heartbeat_max_resolution) == 0) {
srs_info("do http heartbeat, for internal server to report.");
http_heartbeat->heartbeat();
}
}
#endif
srs_info("server main thread loop");
}
}
return ret;
}