icinga2/lib/base/tcpserver.cpp

90 lines
2.8 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "i2-base.h"
using namespace icinga;
/**
* Constructor for the TcpServer class.
*/
TcpServer::TcpServer(void)
: m_ClientFactory(boost::bind(&TcpClientFactory, RoleInbound))
{ }
/**
* Sets the client factory.
*
* @param clientFactory The client factory function.
*/
void TcpServer::SetClientFactory(const TcpServer::ClientFactory& clientFactory)
{
m_ClientFactory = clientFactory;
}
/**
* Retrieves the client factory.
*
* @returns The client factory function.
*/
TcpServer::ClientFactory TcpServer::GetFactoryFunction(void) const
{
return m_ClientFactory;
}
/**
* Starts listening for incoming client connections.
*/
void TcpServer::Listen(void)
{
if (listen(GetFD(), SOMAXCONN) < 0)
throw_exception(SocketException("listen() failed", GetError()));
}
/**
* Checks whether the TCP server wants to read (i.e. accept new clients).
*
* @returns true
*/
bool TcpServer::WantsToRead(void) const
{
return true;
}
/**
* Accepts a new client and creates a new client object for it
* using the client factory function.
*/
void TcpServer::HandleReadable(void)
{
int fd;
sockaddr_storage addr;
socklen_t addrlen = sizeof(addr);
fd = accept(GetFD(), (sockaddr *)&addr, &addrlen);
if (fd < 0)
throw_exception(SocketException("accept() failed", GetError()));
TcpClient::Ptr client = m_ClientFactory(fd);
Event::Post(boost::bind(boost::ref(OnNewClient), GetSelf(), client));
}