/*
 * =====================================================================================
 *
 *       Filename:  pubsub_center.h
 *
 *    Description:  
 *
 *        Version:  1.0
 *        Created:  2021年04月01日 09时29分39秒
 *       Revision:  none
 *       Compiler:  gcc
 *
 *         Author:  Li Chao (), 
 *   Organization:  
 *
 * =====================================================================================
 */
#ifndef PUBSUB_CENTER_MFSUZJU7
#define PUBSUB_CENTER_MFSUZJU7

#include "defs.h"
#include "socket.h"
#include <mutex>
#include <set>
#include <unordered_map>

// publish/subcribe manager.
class PubSubCenter
{
	class SocketBus : public ShmSocket
	{
	public:
		SocketBus(ShmSocket::Shm &shm) :
		    ShmSocket(shm, &kBHTopicBus, 1000) {}
		using ShmSocket::shm;
	};
	SocketBus socket_;
	ShmSocket::Shm &shm() { return socket_.shm(); }
	std::mutex mutex_;
	typedef std::set<MQId> Clients;
	std::unordered_map<std::string, Clients> records_;

public:
	PubSubCenter(ShmSocket::Shm &shm) :
	    socket_(shm) {}
	PubSubCenter() :
	    PubSubCenter(BHomeShm()) {}
	~PubSubCenter() { Stop(); }
	bool Start(const int nworker = 2);
	bool Stop() { return socket_.Stop(); }
};

#endif // end of include guard: PUBSUB_CENTER_MFSUZJU7