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Posted 23 Mar 2011

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.
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
ChatRobots.ini
ProtoBufExampleClient
ProtoBufExampleProtocol
requests.pb.cc
responses.pb.cc
ProtoBufExampleServer
include
PushFramework.dll
PushFramework.lib
private
QoSExampleClient
QoSExampleProtocol
QoSExampleServer
/********************************************************************
	File :			BroadcastManagerImplBase.h
	Creation date :	2011/03/21
		
	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.
	
	
*********************************************************************/
#pragma once

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

#include "ChannelPushInfo.h"

namespace PushFramework{

class BroadcastChannel;
class OutgoingPacket;
class ServerImpl;

class BroadcastManagerImplBase
{
	friend BroadcastChannel;
public:
	BroadcastManagerImplBase(void);
	~BroadcastManagerImplBase(void);

	void createChannel(WStrKey channelKey, unsigned int maxPacket, bool requireSubscription, unsigned int uPriority, unsigned int uPacketQuota);
	void removeChannel(WStrKey channelKey);

	bool subscribeClient(ClientKey clientKey, WStrKey channelKey);
	bool unsubscribeClient(ClientKey clientKey, WStrKey channelKey);

	void pushPacket(OutgoingPacket* pPacket, WStrKey channelName, WStrKey killKey = "", int objectCategory = 0);
	void removePacket(WStrKey killKey, int objectCategory, WStrKey channelKey);

	OutgoingPacket* getNextPacket(ClientKey client, double& hPacket, std::string& channelKey);

	
	void disposePacket(double hPacket, std::string channelKey, std::string clientKey, bool bSuccess);

	void removeClient(ClientKey clientKey);


	void disposeAllPackets();

	std::string getChannelsNames();

protected:
	virtual void PreEncodeOutgoingPacket(OutgoingPacket* pPacket) = 0;
	virtual void DeleteOutgoingPacket(OutgoingPacket* pPacket) = 0;
	virtual void ActivateSubscribers(std::string channelName) = 0;
	virtual void ReportOnBeforePushPacket(std::string channelName) {};
	virtual void ReportOnAfterPacketIsSent(std::string channelName, std::string subscriberKey) {};


private:
	typedef struct BroadcastInfo 
	{
		ChannelPushInfo* pPushInfo;
		BroadcastChannel* pBroadcastChannel;
	}BroadcastInfo;
	typedef std::map<std::string, BroadcastInfo*> channelMapT;
	channelMapT channelMap;


	ChannelGroupPushInfo* pChainHead;

	ChannelPushInfo* insertChannelIntoOrderedChain(std::string channelName, unsigned int uPriority, unsigned int uPacketQuota);


	typedef std::map<std::string, ClientSink*> sinkMapT;
	sinkMapT sinkMap;
	OutgoingPacket* getPacketFromGroupChain(ChannelPushInfo* pStartAt , ClientKey client, double& hPacket, std::string& channelKey );
};

}

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License

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

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About the Author

Ahmed Charfeddine
Technical Lead
Tunisia Tunisia
Services:
http://www.pushframework.com/?page_id=890

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