Method WriteReply

src/rpc/core/httpserver.cpp:578–605

Closure sent to main thread to request a reply to be sent to * a HTTP request. * Replies must be sent in the main loop in the main http thread, * this cannot be done from worker threads. */

 * this cannot be done from worker threads.
 */
void HTTPRequest::WriteReply(int nStatus, const std::string& strReply) {
    assert(!replySent && req);
    if (ShutdownRequested()) {
        WriteHeader("Connection", "close");
    }
    // Send event to main http thread to send reply message
    struct evbuffer* evb = evhttp_request_get_output_buffer(req);
    assert(evb);
    evbuffer_add(evb, strReply.data(), strReply.size());
    auto req_copy = req;
    HTTPEvent* ev = new HTTPEvent(eventBase, true, [req_copy, nStatus] {
        evhttp_send_reply(req_copy, nStatus, nullptr, nullptr);
        // Re-enable reading from the socket. This is the second part of the libevent
        // workaround above.
        if (event_get_version_number() >= 0x02010600 && event_get_version_number() < 0x02020001) {
            evhttp_connection* conn = evhttp_request_get_connection(req_copy);
            if (conn) {
                bufferevent* bev = evhttp_connection_get_bufferevent(conn);
                if (bev) {
                    bufferevent_enable(bev, EV_READ | EV_WRITE);
                }
            }
        }
    });
    ev->trigger(nullptr);
    replySent = true;
    req       = nullptr;  // transferred back to main thread
}

CService HTTPRequest::GetPeer() const {
    evhttp_connection* con = evhttp_request_get_connection(req);