nghttp2/src/asio_server.cc

166 lines
5.2 KiB
C++

/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2014 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.
*/
// We wrote this code based on the original code which has the
// following license:
//
// server.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "asio_server.h"
#include <boost/date_time/posix_time/posix_time.hpp>
namespace nghttp2 {
namespace asio_http2 {
namespace server {
server::server(const std::string& address, uint16_t port,
std::size_t io_service_pool_size,
std::size_t thread_pool_size,
request_cb cb,
std::unique_ptr<boost::asio::ssl::context> ssl_ctx)
: io_service_pool_(io_service_pool_size, thread_pool_size),
signals_(io_service_pool_.get_io_service()),
tick_timer_(io_service_pool_.get_io_service(),
boost::posix_time::seconds(1)),
acceptor_(io_service_pool_.get_io_service()),
ssl_ctx_(std::move(ssl_ctx)),
request_cb_(std::move(cb))
{
// Register to handle the signals that indicate when the server should exit.
// It is safe to register for the same signal multiple times in a program,
// provided all registration for the specified signal is made through Asio.
signals_.add(SIGINT);
signals_.add(SIGTERM);
#if defined(SIGQUIT)
signals_.add(SIGQUIT);
#endif // defined(SIGQUIT)
signals_.async_wait([this](const boost::system::error_code& error,
int signal_number)
{
io_service_pool_.stop();
});
// Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
boost::asio::ip::tcp::resolver resolver(acceptor_.get_io_service());
boost::asio::ip::tcp::resolver::query query(address, std::to_string(port));
boost::asio::ip::tcp::endpoint endpoint = *resolver.resolve(query);
acceptor_.open(endpoint.protocol());
acceptor_.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
acceptor_.bind(endpoint);
acceptor_.listen();
start_accept();
start_timer();
}
void server::run()
{
io_service_pool_.run();
}
std::shared_ptr<std::string> cached_date;
namespace {
void update_date()
{
cached_date = std::make_shared<std::string>(util::http_date(time(nullptr)));
}
} // namespace
void server::start_timer()
{
update_date();
tick_timer_.async_wait
([this](const boost::system::error_code& e)
{
tick_timer_.expires_at(tick_timer_.expires_at() +
boost::posix_time::seconds(1));
start_timer();
});
}
typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> ssl_socket;
void server::start_accept()
{
if(ssl_ctx_) {
auto new_connection =
std::make_shared<connection<ssl_socket>>
(request_cb_, io_service_pool_.get_task_io_service(),
io_service_pool_.get_io_service(), *ssl_ctx_);
acceptor_.async_accept
(new_connection->socket().lowest_layer(),
[this, new_connection](const boost::system::error_code& e)
{
if(!e) {
new_connection->socket().lowest_layer().set_option
(boost::asio::ip::tcp::no_delay(true));
new_connection->socket().async_handshake
(boost::asio::ssl::stream_base::server,
[new_connection](const boost::system::error_code& e)
{
if(!e) {
new_connection->start();
}
});
}
start_accept();
});
} else {
auto new_connection =
std::make_shared<connection<boost::asio::ip::tcp::socket>>
(request_cb_, io_service_pool_.get_task_io_service(),
io_service_pool_.get_io_service());
acceptor_.async_accept
(new_connection->socket(),
[this, new_connection](const boost::system::error_code& e)
{
if (!e) {
new_connection->socket().set_option
(boost::asio::ip::tcp::no_delay(true));
new_connection->start();
}
start_accept();
});
}
}
} // namespace server
} // namespace asio_http2
} // namespace nghttp2