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87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
//
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// server.cpp
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// ~~~~~~~~~~
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//
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// Copyright (c) 2003-2025 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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#include "connection.hpp"
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namespace http {
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namespace server2 {
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server::server(const std::string& address, const std::string& port,
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const std::string& doc_root, std::size_t io_context_pool_size)
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: io_context_pool_(io_context_pool_size),
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signals_(io_context_pool_.get_io_context()),
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acceptor_(io_context_pool_.get_io_context()),
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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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// Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
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boost::asio::ip::tcp::resolver resolver(acceptor_.get_executor());
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boost::asio::ip::tcp::endpoint endpoint =
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*resolver.resolve(address, port).begin();
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acceptor_.open(endpoint.protocol());
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acceptor_.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
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acceptor_.bind(endpoint);
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acceptor_.listen();
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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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io_context_pool_.run();
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}
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void server::do_accept()
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{
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acceptor_.async_accept(io_context_pool_.get_io_context(),
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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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std::make_shared<connection>(
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std::move(socket), request_handler_)->start();
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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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io_context_pool_.stop();
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});
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}
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} // namespace server2
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} // namespace http
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