86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
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//
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// server.cpp
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// ~~~~~~~~~~
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//
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// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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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 "server.hpp"
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#include <signal.h>
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#include <utility>
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namespace http {
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namespace server {
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server::server(const std::string& address, const std::string& port,
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const std::string& doc_root)
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: io_context_(1),
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signals_(io_context_),
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acceptor_(io_context_, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), 8043)),
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connection_manager_(),
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request_handler_(doc_root)
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{
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// Register to handle the signals that indicate when the server should exit.
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// It is safe to register for the same signal multiple times in a program,
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// provided all registration for the specified signal is made through Asio.
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signals_.add(SIGINT);
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signals_.add(SIGTERM);
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#if defined(SIGQUIT)
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signals_.add(SIGQUIT);
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#endif // defined(SIGQUIT)
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do_await_stop();
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do_accept();
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}
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void server::run()
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{
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// The io_context::run() call will block until all asynchronous operations
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// have finished. While the server is running, there is always at least one
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// asynchronous operation outstanding: the asynchronous accept call waiting
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// for new incoming connections.
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io_context_.run();
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}
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void server::do_accept()
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{
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acceptor_.async_accept(
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[this](boost::system::error_code ec, boost::asio::ip::tcp::socket socket)
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{
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// Check whether the server was stopped by a signal before this
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// completion handler had a chance to run.
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if (!acceptor_.is_open())
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{
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return;
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}
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if (!ec)
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{
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connection_manager_.start(std::make_shared<connection>(
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std::move(socket), connection_manager_, request_handler_, io_context_));
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}
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do_accept();
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});
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}
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void server::do_await_stop()
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{
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signals_.async_wait(
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[this](boost::system::error_code /*ec*/, int /*signo*/)
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{
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// The server is stopped by cancelling all outstanding asynchronous
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// operations. Once all operations have finished the io_context::run()
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// call will exit.
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acceptor_.close();
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connection_manager_.stop_all();
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});
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}
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} // namespace server
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} // namespace http
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