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//
// connection.cpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2025 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 "connection.hpp"
#include <utility>
#include "request_handler.hpp"
namespace http {
namespace server2 {
connection::connection(boost::asio::ip::tcp::socket socket,
request_handler& handler)
: socket_(std::move(socket)),
request_handler_(handler)
{
}
void connection::start()
{
do_read();
}
void connection::do_read()
{
auto self(shared_from_this());
socket_.async_read_some(boost::asio::buffer(buffer_),
[this, self](boost::system::error_code ec, std::size_t bytes_transferred)
{
if (!ec)
{
request_parser::result_type result;
std::tie(result, std::ignore) = request_parser_.parse(
request_, buffer_.data(), buffer_.data() + bytes_transferred);
if (result == request_parser::good)
{
request_handler_.handle_request(request_, reply_);
do_write();
}
else if (result == request_parser::bad)
{
reply_ = reply::stock_reply(reply::bad_request);
do_write();
}
else
{
do_read();
}
}
// If an error occurs then no new asynchronous operations are
// started. This means that all shared_ptr references to the
// connection object will disappear and the object will be
// destroyed automatically after this handler returns. The
// connection class's destructor closes the socket.
});
}
void connection::do_write()
{
auto self(shared_from_this());
boost::asio::async_write(socket_, reply_.to_buffers(),
[this, self](boost::system::error_code ec, std::size_t)
{
if (!ec)
{
// Initiate graceful connection closure.
boost::system::error_code ignored_ec;
socket_.shutdown(boost::asio::ip::tcp::socket::shutdown_both,
ignored_ec);
}
// No new asynchronous operations are started. This means that
// all shared_ptr references to the connection object will
// disappear and the object will be destroyed automatically after
// this handler returns. The connection class's destructor closes
// the socket.
});
}
} // namespace server2
} // namespace http
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