102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
//
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// connection.cpp
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// ~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2011 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 "connection.hpp"
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#include <vector>
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#include <boost/bind.hpp>
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#include "request_handler.hpp"
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#include <osg/Notify>
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namespace http {
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namespace server {
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connection::connection(asio::io_service& io_service,
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request_handler& handler)
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: socket_(io_service),
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request_handler_(handler)
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{
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OSG_DEBUG << "RestHttpDevice :: connection::connection" << std::endl;
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}
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connection::~connection()
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{
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OSG_DEBUG << "RestHttpDevice :: connection::~connection" << std::endl;
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}
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asio::ip::tcp::socket& connection::socket()
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{
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return socket_;
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}
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void connection::start()
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{
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OSG_DEBUG << "RestHttpDevice :: connection::start" << std::endl;
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socket_.async_read_some(asio::buffer(buffer_),
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boost::bind(&connection::handle_read, shared_from_this(),
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asio::placeholders::error,
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asio::placeholders::bytes_transferred));
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}
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void connection::handle_read(const asio::error_code& e,
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std::size_t bytes_transferred)
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{
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if (!e)
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{
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boost::tribool result;
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boost::tie(result, boost::tuples::ignore) = request_parser_.parse(
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request_, buffer_.data(), buffer_.data() + bytes_transferred);
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if (result)
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{
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request_handler_.handle_request(request_, reply_);
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asio::async_write(socket_, reply_.to_buffers(),
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boost::bind(&connection::handle_write, shared_from_this(),
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asio::placeholders::error));
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}
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else if (!result)
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{
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reply_ = reply::stock_reply(reply::bad_request);
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asio::async_write(socket_, reply_.to_buffers(),
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boost::bind(&connection::handle_write, shared_from_this(),
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asio::placeholders::error));
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}
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else
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{
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socket_.async_read_some(asio::buffer(buffer_),
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boost::bind(&connection::handle_read, shared_from_this(),
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asio::placeholders::error,
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asio::placeholders::bytes_transferred));
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}
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}
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// If an error occurs then no new asynchronous operations are started. This
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// means that all shared_ptr references to the connection object will
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// disappear and the object will be destroyed automatically after this
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// handler returns. The connection class's destructor closes the socket.
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}
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void connection::handle_write(const asio::error_code& e)
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{
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if (!e)
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{
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// Initiate graceful connection closure.
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asio::error_code ignored_ec;
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socket_.shutdown(asio::ip::tcp::socket::shutdown_both, ignored_ec);
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}
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// No new asynchronous operations are started. This means that all shared_ptr
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// references to the connection object will disappear and the object will be
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// destroyed automatically after this handler returns. The connection class's
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// destructor closes the socket.
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}
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} // namespace server
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} // namespace http
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