60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/net/TcpListener.h"
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#include "td/utils/logging.h"
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#include "td/utils/port/detail/PollableFd.h"
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namespace td {
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TcpListener::TcpListener(int port, ActorShared<Callback> callback) : port_(port), callback_(std::move(callback)) {
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}
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void TcpListener::hangup() {
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stop();
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}
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void TcpListener::start_up() {
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auto r_socket = ServerSocketFd::open(port_);
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if (r_socket.is_error()) {
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LOG(ERROR) << "Can't open server socket: " << r_socket.error();
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set_timeout_in(5);
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return;
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}
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server_fd_ = r_socket.move_as_ok();
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Scheduler::subscribe(server_fd_.get_poll_info().extract_pollable_fd(this));
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}
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void TcpListener::tear_down() {
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if (!server_fd_.empty()) {
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Scheduler::unsubscribe_before_close(server_fd_.get_poll_info().get_pollable_fd_ref());
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server_fd_.close();
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}
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}
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void TcpListener::loop() {
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if (server_fd_.empty()) {
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start_up();
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}
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while (can_read(server_fd_)) {
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auto r_socket_fd = server_fd_.accept();
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if (r_socket_fd.is_error()) {
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if (r_socket_fd.error().code() != -1) {
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LOG(ERROR) << r_socket_fd.error();
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}
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continue;
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}
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send_closure(callback_, &Callback::accept, r_socket_fd.move_as_ok());
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}
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if (can_close(server_fd_)) {
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stop();
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}
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}
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} // namespace td
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