コード例 #1
0
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;
}
コード例 #2
0
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;
}