Function InitHTTPServer

src/httpserver.cpp:356–405

}

bool InitHTTPServer()
{
    if (!InitHTTPAllowList())
        return false;

    // Redirect libevent's logging to our own log
    event_set_log_callback(&libevent_log_cb);
    // Update libevent's log handling. Returns false if our version of
    // libevent doesn't support debug logging, in which case we should
    // clear the BCLog::LIBEVENT flag.
    if (!UpdateHTTPServerLogging(LogInstance().WillLogCategory(BCLog::LIBEVENT))) {
        LogInstance().DisableCategory(BCLog::LIBEVENT);
    }

#ifdef WIN32
    evthread_use_windows_threads();
#else
    evthread_use_pthreads();
#endif

    raii_event_base base_ctr = obtain_event_base();

    /* Create a new evhttp object to handle requests. */
    raii_evhttp http_ctr = obtain_evhttp(base_ctr.get());
    struct evhttp* http = http_ctr.get();
    if (!http) {
        LogPrintf("couldn't create evhttp. Exiting.\n");
        return false;
    }

    evhttp_set_timeout(http, gArgs.GetIntArg("-rpcservertimeout", DEFAULT_HTTP_SERVER_TIMEOUT));
    evhttp_set_max_headers_size(http, MAX_HEADERS_SIZE);
    evhttp_set_max_body_size(http, MAX_SIZE);
    evhttp_set_gencb(http, http_request_cb, nullptr);

    if (!HTTPBindAddresses(http)) {
        LogPrintf("Unable to bind any endpoint for RPC server\n");
        return false;
    }

    LogPrint(BCLog::HTTP, "Initialized HTTP server\n");
    int workQueueDepth = std::max((long)gArgs.GetIntArg("-rpcworkqueue", DEFAULT_HTTP_WORKQUEUE), 1L);
    LogPrintf("HTTP: creating work queue of depth %d\n", workQueueDepth);

    g_work_queue = std::make_unique<WorkQueue<HTTPClosure>>(workQueueDepth);
    // transfer ownership to eventBase/HTTP via .release()
    eventBase = base_ctr.release();
    eventHTTP = http_ctr.release();
    return true;
}

bool UpdateHTTPServerLogging(bool enable) {
#if LIBEVENT_VERSION_NUMBER >= 0x02010100