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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#ifndef header_socket_select
#define header_socket_select
#if _MSC_VER > 1000
#pragma once
#endif
#ifdef WIN32
#include <winsock2.h> // This has to be included before <list> else winsock.h somehow is included
#endif
#include <list>
#include "API/Core/System/thread.h"
class CL_Thread;
class CL_Mutex;
class CL_EventTrigger_Socket;
class CL_SocketSelect : CL_Runnable
{
//! Construction:
public:
//: Creates the socket select listener thread.
CL_SocketSelect();
//: Shut down socket select listener thread.
virtual ~CL_SocketSelect();
//! Attributes:
public:
//! Operations:
public:
//: Start a read listen for the socket.
void listen_read(CL_EventTrigger_Socket *socket);
//: Start a write listen for the socket.
void listen_write(CL_EventTrigger_Socket *socket);
//: Start a exception listen for the socket.
void listen_exception(CL_EventTrigger_Socket *socket);
//: Remove socket from the read listening.
void remove_read(CL_EventTrigger_Socket *socket);
//: Remove socket from the write listening.
void remove_write(CL_EventTrigger_Socket *socket);
//: Remove socket from the exception listening.
void remove_exception(CL_EventTrigger_Socket *socket);
//! Implementation:
private:
//: Make the socket select thread break its listen and check for updates.
//- <p>This is used to make it start listening on new sockets, and stop listening
//- on old sockets.</p>
void signal_listen_thread();
//: Socket select thread function.
virtual void run();
CL_Thread *listen_thread;
CL_Mutex *mutex;
volatile bool stop_thread;
std::list<CL_EventTrigger_Socket*> read_sockets;
std::list<CL_EventTrigger_Socket*> write_sockets;
std::list<CL_EventTrigger_Socket*> exception_sockets;
#ifdef WIN32
WSAEVENT signal_event;
#else
int signal_pipes[2];
#endif
};
#endif
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