nghttp2/src/shrpx_thread_event_receiver.cc

/*
 * nghttp2 - HTTP/2 C Library
 *
 * Copyright (c) 2012 Tatsuhiro Tsujikawa
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#include "shrpx_thread_event_receiver.h"

#include <unistd.h>

#include "shrpx_ssl.h"
#include "shrpx_log.h"
#include "shrpx_client_handler.h"
#include "shrpx_http2_session.h"
#include "shrpx_worker.h"
#include "shrpx_worker_config.h"
#include "util.h"

using namespace nghttp2;

namespace shrpx {

ThreadEventReceiver::ThreadEventReceiver(SSL_CTX *ssl_ctx,
                                         Http2Session *http2session,
                                         ConnectBlocker *http1_connect_blocker)
    : ssl_ctx_(ssl_ctx), http2session_(http2session),
      http1_connect_blocker_(http1_connect_blocker),
      worker_stat_(util::make_unique<WorkerStat>()) {}

ThreadEventReceiver::~ThreadEventReceiver() {}

void ThreadEventReceiver::on_read() {
  // auto input = bufferevent_get_input(bev);
  // while (evbuffer_get_length(input) >= sizeof(WorkerEvent)) {
  //   WorkerEvent wev;
  //   int nread = evbuffer_remove(input, &wev, sizeof(wev));
  //   if (nread == -1) {
  //     TLOG(FATAL, this) << "evbuffer_remove() failed";
  //     continue;
  //   }
  //   if (nread != sizeof(wev)) {
  //     TLOG(FATAL, this) << "evbuffer_remove() removed fewer bytes. Expected:"
  //                       << sizeof(wev) << " Actual:" << nread;
  //     continue;
  //   }

  //   if (wev.type == REOPEN_LOG) {
  //     if (LOG_ENABLED(INFO)) {
  //       LOG(INFO) << "Reopening log files: worker_info(" << worker_config
  //                 << ")";
  //     }

  //     reopen_log_files();

  //     continue;
  //   }

  //   if (wev.type == GRACEFUL_SHUTDOWN) {
  //     LOG(NOTICE) << "Graceful shutdown commencing";

  //     worker_config->graceful_shutdown = true;

  //     if (worker_stat_->num_connections == 0) {
  //       event_base_loopbreak(evbase_);

  //       break;
  //     }

  //     continue;
  //   }

  //   if (LOG_ENABLED(INFO)) {
  //     TLOG(INFO, this) << "WorkerEvent: client_fd=" << wev.client_fd
  //                      << ", addrlen=" << wev.client_addrlen;
  //   }

  //   if (worker_stat_->num_connections >=
  //       get_config()->worker_frontend_connections) {

  //     if (LOG_ENABLED(INFO)) {
  //       TLOG(INFO, this) << "Too many connections >= "
  //                        << get_config()->worker_frontend_connections;
  //     }

  //     close(wev.client_fd);

  //     continue;
  //   }

  //   auto evbase = bufferevent_get_base(bev);
  //   auto client_handler = ssl::accept_connection(
  //       evbase, rate_limit_group_, ssl_ctx_, wev.client_fd,
  //       &wev.client_addr.sa,
  //       wev.client_addrlen, worker_stat_.get(), &dconn_pool_);
  //   if (client_handler) {
  //     client_handler->set_http2_session(http2session_);
  //     client_handler->set_http1_connect_blocker(http1_connect_blocker_);

  //     if (LOG_ENABLED(INFO)) {
  //       TLOG(INFO, this) << "CLIENT_HANDLER:" << client_handler << "
  //       created";
  //     }
  //   } else {
  //     if (LOG_ENABLED(INFO)) {
  //       TLOG(ERROR, this) << "ClientHandler creation failed";
  //     }
  //     close(wev.client_fd);
  //   }
  // }
}

} // namespace shrpx