Files
pokerth/src/net/common/serveraccepthelper.cpp
T

135 lines
4.5 KiB
C++

/***************************************************************************
* Copyright (C) 2007 by Lothar May *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <net/serveraccepthelper.h>
#include <net/serverlobbythread.h>
#include <net/serverexception.h>
#include <net/socket_msg.h>
#include <core/loghelper.h>
using namespace std;
using boost::asio::ip::tcp;
ServerAcceptHelper::ServerAcceptHelper(ServerCallback &serverCallback, boost::shared_ptr<boost::asio::io_service> ioService)
: m_ioService(ioService), m_serverCallback(serverCallback)
{
m_acceptor.reset(new tcp::acceptor(*m_ioService));
}
ServerAcceptHelper::~ServerAcceptHelper()
{
}
void
ServerAcceptHelper::Listen(unsigned serverPort, bool ipv6, bool sctp, const string &pwd, const string &logDir, boost::shared_ptr<ServerLobbyThread> lobbyThread)
{
m_lobbyThread = lobbyThread;
try
{
InternalListen(serverPort, ipv6, sctp);
}
catch (const PokerTHException &e)
{
LOG_ERROR(e.what());
GetCallback().SignalNetServerError(e.GetErrorId(), e.GetOsErrorCode());
}
catch (...)
{
// This is probably an asio exception. Assume that bind failed,
// which is the most frequent case.
LOG_ERROR("Cannot bind/listen on TCP port.");
GetCallback().SignalNetServerError(ERR_SOCK_BIND_FAILED, 0);
}
}
void
ServerAcceptHelper::InternalListen(unsigned serverPort, bool ipv6, bool sctp)
{
if (serverPort < 1024)
throw ServerException(__FILE__, __LINE__, ERR_SOCK_INVALID_PORT, 0);
// TODO consider sctp
// Prepare Listen.
if (ipv6)
m_endpoint.reset(new tcp::endpoint(tcp::v6(), serverPort));
else
m_endpoint.reset(new tcp::endpoint(tcp::v4(), serverPort));
m_acceptor->open(m_endpoint->protocol());
// TODO cannot set non blocking I/O with asio.
//boost::asio::socket_base::non_blocking_io command(true);
//m_acceptor->io_control(command);
m_acceptor->set_option(tcp::acceptor::reuse_address(true));
if (ipv6) // In IPv6 mode: Be compatible with IPv4.
m_acceptor->set_option(boost::asio::ip::v6_only(false));
m_acceptor->bind(*m_endpoint);
m_acceptor->listen();
// Start first asynchronous Accept.
boost::shared_ptr<tcp::socket> newSocket(new tcp::socket(*m_ioService));
m_acceptor->async_accept(
*newSocket,
boost::bind(&ServerAcceptHelper::HandleAccept, this, newSocket,
boost::asio::placeholders::error)
);
}
void
ServerAcceptHelper::HandleAccept(boost::shared_ptr<boost::asio::ip::tcp::socket> acceptedSocket,
const boost::system::error_code &error)
{
if (!error)
{
boost::asio::socket_base::non_blocking_io command(true);
acceptedSocket->io_control(command);
acceptedSocket->set_option(tcp::no_delay(true));
acceptedSocket->set_option(boost::asio::socket_base::keep_alive(true));
GetLobbyThread().AddConnection(acceptedSocket);
boost::shared_ptr<tcp::socket> newSocket(new tcp::socket(*m_ioService));
m_acceptor->async_accept(
*newSocket,
boost::bind(&ServerAcceptHelper::HandleAccept, this, newSocket,
boost::asio::placeholders::error)
);
}
else
{
// Accept failed. This is a fatal error.
LOG_ERROR("In boost::asio handler: Accept failed.");
GetCallback().SignalNetServerError(ERR_SOCK_ACCEPT_FAILED, 0);
}
}
ServerCallback &
ServerAcceptHelper::GetCallback()
{
return m_serverCallback;
}
ServerLobbyThread &
ServerAcceptHelper::GetLobbyThread()
{
assert(m_lobbyThread.get());
return *m_lobbyThread;
}