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Push Framework - A C++ toolkit for high performance server development

, 23 May 2012
Write asynchronous, multithreaded servers in a few lines of code. Monitor realtime activity with a deploy-only dashboard.
Prize winner in Competition "Best C++/MFC article of March 2011"
ChatApplication.zip
ChatAPI
ChatClient
res
.svn
entries
prop-base
ChatClient.ico.svn-base
props
text-base
ChatClient.ico.svn-base
ChatClient.rc2.svn-base
tmp
prop-base
props
text-base
ChatClient.ico
ChatPackets
ChatProtocol
ChatServer
ChatServer.vcproj.INTERNAL.Ahmed.Charfeddine.user
output
ChatServer.ini
TCPSocket
TCPSocket.zip
XMLProtocol
XMLProtocol.zip
ChatRobots.zip
ChatRobots
ChatRobots.ini
ProtoBufExample.zip
ProtoBufExampleClient
ProtoBufExampleProtocol
requests.pb.cc
responses.pb.cc
ProtoBufExampleServer
PushFramework_Essentials.zip
include
PushFramework_Sources.zip
private
QoS.zip
QoSExampleClient
QoSExampleProtocol
QoSExampleServer
/********************************************************************
	File :			BroadcastChannel.h
	Creation date :	2010/6/27
		
	License :			Copyright 2010 Ahmed Charfeddine, http://www.pushframework.com

				   Licensed under the Apache License, Version 2.0 (the "License");
				   you may not use this file except in compliance with the License.
				   You may obtain a copy of the License at
				
					   http://www.apache.org/licenses/LICENSE-2.0
				
				   Unless required by applicable law or agreed to in writing, software
				   distributed under the License is distributed on an "AS IS" BASIS,
				   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
				   See the License for the specific language governing permissions and
				   limitations under the License.
	
	
*********************************************************************/
#ifndef BroadcastChannel__INCLUDED
#define BroadcastChannel__INCLUDED

#pragma once

#include "..\include\PushFramework.h"

namespace PushFramework{

class BroadcastManagerImplBase;
class OutgoingPacket;
class Protocol;
	

class BroadcastChannel
{
public:
	BroadcastChannel(BroadcastManagerImplBase* pManager, std::string channelName, bool requireRegistration);
	~BroadcastChannel(void);
public:
	typedef double PacketHANDLE;


	void setMaxPackets(unsigned int maxPacket);

	void pushPacket(OutgoingPacket* pPacket, WStrKey killKey="", int objectCategory =0);
	void removePacket(WStrKey killKey="", int objectCategory =0);
	
	void subscribeClient(std::string clientKey);
	void unsubscribeClient(std::string clientKey);

	void disposePacket(PacketHANDLE hPacket, std::string clientKey, bool bSuccess = true);
	OutgoingPacket* getNextPacket(std::string clientKey, PacketHANDLE& hPacket);

	void disposeAllPackets();


private:
	BroadcastManagerImplBase* pManager;
	//
	std::string channelName;

	unsigned int maxPacket;
	bool requireRegistration;

	//
	PacketHANDLE nextPacketID;

	//Queue by handle
	typedef std::vector<PacketHANDLE> packetIDVectT;
	packetIDVectT packetIDVect;

	//Storage :
	typedef struct PacketInfo
	{
		OutgoingPacket* pPacket;
		unsigned int refCount;
		bool bWaitingForRemoval;
	}PacketInfo;
	typedef std::map<PacketHANDLE, PacketInfo*> packetMapByIDT;
	packetMapByIDT packetMapByID;

	//Access (for subsequent explicit deletion):
	typedef std::map<std::string, PacketHANDLE> packetMapByKeyT;
	typedef std::map<int, packetMapByKeyT*> packetMapByCategoryT;
	packetMapByCategoryT packetMapByCategory;

	//References :
	typedef std::map<std::string, PacketHANDLE> clientMapT;
	clientMapT clientMap;

	CRITICAL_SECTION cs;


	void storePacket(OutgoingPacket* pPacket, PacketHANDLE hPacket, WStrKey killKey="", int objectCategory =0);
	void killPacket(PacketHANDLE hPacket);
};

}
#endif // BroadcastChannel__INCLUDED

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License

This article, along with any associated source code and files, is licensed under The Apache License, Version 2.0

About the Author

Ahmed Charfeddine
Technical Lead
Tunisia Tunisia
Engineer in telecommunications, C++ developer and Amateur Chess Programmer.
Websites:
http://www.pushframework.com
http://www.batchdocument.com
http://www.virtualglobe3d.com
http://www.chesscomposer.com
 
I am open to any collaboration or freelance project.
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