Function TrackMe

src/brpc/trackme.cpp:224–240

Called in global.cpp [Thread-safe] supposed to be called in low frequency.

// Called in global.cpp
// [Thread-safe] supposed to be called in low frequency.
void TrackMe() {
    if (FLAGS_trackme_server.empty()) {
        return;
    }
    int64_t now = butil::cpuwide_time_us();
    std::unique_lock<pthread_mutex_t> mu(s_trackme_mutex);
    if (s_trackme_last_time == 0) {
        // Delay the first ping randomly within s_trackme_interval. This
        // protects trackme_server from ping storms.
        s_trackme_last_time =
            now + butil::fast_rand_less_than(s_trackme_interval) * 1000000L;
    }
    if (now > s_trackme_last_time + 1000000L * s_trackme_interval) {
        s_trackme_last_time = now;
        return TrackMeNow(mu);
    }
}

} // namespace brpc