tibia-client/src/framework/net/connection.cpp

138 lines
4.6 KiB
C++

/* The MIT License
*
* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
*
* 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.
*/
#include <core/dispatcher.h>
#include <net/connection.h>
static boost::asio::io_service ioService;
Connection::Connection() :
m_timer(ioService),
m_resolver(ioService),
m_socket(ioService)
{
}
void Connection::poll()
{
ioService.poll();
ioService.reset();
}
void Connection::connect(const std::string& host, uint16 port, const std::function<void()>& connectCallback)
{
m_connectCallback = connectCallback;
boost::asio::ip::tcp::resolver::query query(host, convert<std::string>(port));
m_resolver.async_resolve(query, std::bind(&Connection::onResolve, shared_from_this(), std::placeholders::_1, std::placeholders::_2));
m_timer.expires_from_now(boost::posix_time::seconds(2));
m_timer.async_wait(std::bind(&Connection::onTimeout, shared_from_this(), std::placeholders::_1));
}
void Connection::send(uint8 *buffer, uint16 size)
{
boost::asio::async_write(m_socket,
boost::asio::buffer(buffer, size),
std::bind(&Connection::onSend, shared_from_this(), std::placeholders::_1, std::placeholders::_2));
m_timer.expires_from_now(boost::posix_time::seconds(2));
m_timer.async_wait(std::bind(&Connection::onTimeout, shared_from_this(), std::placeholders::_1));
}
void Connection::recv(uint16 bytes, uint32 timeout, const RecvCallback& callback)
{
m_recvCallback = callback;
m_recvSize = bytes;
boost::asio::async_read(m_socket,
boost::asio::buffer(m_recvBuffer, bytes),
std::bind(&Connection::onRecv, shared_from_this(), std::placeholders::_1));
if(timeout > 0) {
m_timer.expires_from_now(boost::posix_time::seconds(timeout));
m_timer.async_wait(std::bind(&Connection::onTimeout, shared_from_this(), std::placeholders::_1));
}
}
void Connection::onTimeout(const boost::system::error_code& error)
{
if(error != boost::asio::error::operation_aborted)
g_dispatcher.addTask(std::bind(m_errorCallback, error));
}
void Connection::onResolve(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpointIterator)
{
m_timer.cancel();
if(error) {
if(m_errorCallback)
g_dispatcher.addTask(std::bind(m_errorCallback, error));
return;
}
m_socket.async_connect(*endpointIterator, std::bind(&Connection::onConnect, shared_from_this(), std::placeholders::_1));
m_timer.expires_from_now(boost::posix_time::seconds(2));
m_timer.async_wait(std::bind(&Connection::onTimeout, shared_from_this(), std::placeholders::_1));
}
void Connection::onConnect(const boost::system::error_code& error)
{
m_timer.cancel();
if(error) {
if(m_errorCallback)
g_dispatcher.addTask(std::bind(m_errorCallback, error));
return;
}
if(m_connectCallback)
g_dispatcher.addTask(m_connectCallback);
}
void Connection::onSend(const boost::system::error_code& error, size_t)
{
m_timer.cancel();
if(error) {
if(m_errorCallback)
g_dispatcher.addTask(std::bind(m_errorCallback, error));
return;
}
}
void Connection::onRecv(const boost::system::error_code& error)
{
m_timer.cancel();
if(error) {
if(m_errorCallback)
g_dispatcher.addTask(std::bind(m_errorCallback, error));
return;
}
if(m_recvCallback)
g_dispatcher.addTask(std::bind(m_recvCallback, m_recvBuffer, m_recvSize));
}