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/*
Copyright (C) 2004-2006 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 __JackChannel__
#define __JackChannel__
#include "types.h"
#include "JackError.h"
#include "JackTransportEngine.h"
namespace Jack
{
class JackClientInterface;
class JackClient;
class JackServer;
struct JackEngineControl;
class JackGraphManager;
/*!
\brief Inter process channel for server/client bidirectionnal communication : request and (receiving) notifications.
*/
class JackClientChannelInterface
{
public:
JackClientChannelInterface()
{}
virtual ~JackClientChannelInterface()
{}
// Open the Server/Client connection
virtual int Open(const char* name, JackClient* obj)
{
return 0;
}
// Close the Server/Client connection
virtual void Close()
{}
// Start listening for messages from the server
virtual int Start()
{
return 0;
}
// Stop listening for messages from the server
virtual void Stop()
{}
virtual void ClientNew(const char* name, int* shared_engine, int* shared_client, int* shared_ports, int* result)
{}
virtual void ClientNew(const char* name, int* ref, JackEngineControl** shared_engine, JackGraphManager** shared_manager, JackClientInterface* client, int* result)
{}
virtual void ClientClose(int refnum, int* result)
{}
virtual void ClientActivate(int refnum, int* result)
{}
virtual void ClientDeactivate(int refnum, int* result)
{}
virtual void PortRegister(int refnum, const char* name, unsigned int flags, unsigned int buffer_size, jack_port_id_t* port_index, int* result)
{}
virtual void PortUnRegister(int refnum, jack_port_id_t port_index, int* result)
{}
virtual void PortConnect(int refnum, const char* src, const char* dst, int* result)
{}
virtual void PortDisconnect(int refnum, const char* src, const char* dst, int* result)
{}
virtual void PortConnect(int refnum, jack_port_id_t src, jack_port_id_t dst, int* result)
{}
virtual void PortDisconnect(int refnum, jack_port_id_t src, jack_port_id_t dst, int* result)
{}
virtual void SetBufferSize(jack_nframes_t nframes, int* result)
{}
virtual void SetFreewheel(int onoff, int* result)
{}
virtual void ReleaseTimebase(int refnum, int* result)
{}
virtual void SetTimebaseCallback(int refnum, int conditional, int* result)
{}
};
/*!
\brief Inter process channel for server to client notifications.
*/
class JackNotifyChannelInterface
{
public:
JackNotifyChannelInterface()
{}
virtual ~JackNotifyChannelInterface()
{}
// Open the Server/Client connection
virtual int Open(const char* name)
{
return 0;
}
// Close the Server/Client connection
virtual void Close()
{}
/*
The "sync" parameter allows to choose between "synchronous" and "asynchronous" notification
*/
virtual void ClientNotify(int refnum, const char* name, int notify, int sync, int value, int* result)
{}
typedef enum {
kAddClient = 0,
kRemoveClient = 1,
kXRunCallback = 2,
kGraphOrderCallback = 3,
kBufferSizeCallback = 4,
kStartFreewheel = 5,
kStopFreewheel = 6,
kPortRegistrationOn = 7,
kPortRegistrationOff = 8,
kZombifyClient = 9,
kDeadClient = 10
} NotificationType;
};
/*!
\brief Entry point channel for client/server communication.
*/
class JackServerChannelInterface
{
public:
JackServerChannelInterface()
{}
virtual ~JackServerChannelInterface()
{}
// Open the Server/Client connection
virtual int Open(JackServer* server)
{
return 0;
}
// Close the Server/Client connection
virtual void Close()
{}
};
/*!
\brief Channel for server RT thread to request server thread communication.
*/
class JackServerNotifyChannelInterface
{
public:
JackServerNotifyChannelInterface()
{}
virtual ~JackServerNotifyChannelInterface()
{}
// Open the Server RT/Server connection
virtual int Open()
{
return 0;
}
// Close the Server RT/Server connection
virtual void Close()
{}
virtual void ClientNotify(int refnum, int notify, int value)
{}
};
} // end of namespace
#endif
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