jack2/common/JackNetManager.h

/*
Copyright (C) 2008 Grame

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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __JACKNETMASTER_H__
#define __JACKNETMASTER_H__

#include "JackNetTool.h"
#include "thread.h"
#include "jack.h"
#include <list>

namespace Jack
{
	class JackNetMasterManager;

	class JackNetMaster
	{
			friend class JackNetMasterManager;
		private:
			static int SetProcess ( jack_nframes_t nframes, void* arg );

			JackNetMasterManager* fMasterManager;
			session_params_t fParams;
			struct sockaddr_in fAddr;
			struct sockaddr_in fMcastAddr;
			int fSockfd;
			uint fNSubProcess;
			int fNetJumpCnt;
			bool fRunning;

			jack_client_t* fJackClient;
			const char* fClientName;

			jack_port_t** fAudioCapturePorts;
			jack_port_t** fAudioPlaybackPorts;
			jack_port_t** fMidiCapturePorts;
			jack_port_t** fMidiPlaybackPorts;

			packet_header_t fTxHeader;
			packet_header_t fRxHeader;

			char* fTxBuffer;
			char* fRxBuffer;
			char* fTxData;
			char* fRxData;

			NetAudioBuffer* fNetAudioCaptureBuffer;
			NetAudioBuffer* fNetAudioPlaybackBuffer;
			NetMidiBuffer* fNetMidiCaptureBuffer;
			NetMidiBuffer* fNetMidiPlaybackBuffer;

			int fAudioTxLen;
			int fAudioRxLen;

			bool Init();
			void FreePorts();
			void Exit();

			int Send ( char* buffer, size_t size, int flags );
			int Recv ( size_t size, int flags );
			int Process();
		public:
			JackNetMaster ( JackNetMasterManager* manager, session_params_t& params, struct sockaddr_in& address, struct sockaddr_in& mcast_addr );
			~JackNetMaster ();
	};

	typedef std::list<JackNetMaster*> master_list_t;
	typedef master_list_t::iterator master_list_it_t;

	class JackNetMasterManager
	{
		private:
			static void* NetManagerThread ( void* arg );
			static int SetProcess ( jack_nframes_t nframes, void* arg );

			jack_client_t* fManagerClient;
			const char* fManagerName;
			const char* fMCastIP;
			int fUDPPort;
			pthread_t fManagerThread;
			master_list_t fMasterList;
			uint32_t fGlobalID;
			bool fRunning;

			void Run();
			JackNetMaster* MasterInit ( session_params_t& params, struct sockaddr_in& address, struct sockaddr_in& mcast_addr );
			master_list_it_t FindMaster ( uint32_t client_id );
			void KillMaster ( session_params_t* params );
			void SetSlaveName ( session_params_t& params );
			int Process();
		public:
			JackNetMasterManager ( jack_client_t* jack_client );
			~JackNetMasterManager();

			void Exit();
	};
}

#endif