common/JackInternalClient.h

   1 /*
   2 Copyright (C) 2001 Paul Davis
   3 Copyright (C) 2004-2008 Grame
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #ifndef __JackInternalClient__
  22 #define __JackInternalClient__
  23
  24 #include "JackClient.h"
  25 #include "JackClientControl.h"
  26 #include "driver_interface.h"
  27
  28 namespace Jack
  29 {
  30
  31 struct JackEngineControl;
  32
  33 /*!
  34 \brief Internal clients in the server.
  35 */
  36
  37 class JackInternalClient : public JackClient
  38 {
  39
  40     private:
  41
  42         JackClientControl fClientControl;     /*! Client control */
  43
  44     public:
  45
  46         JackInternalClient(JackServer* server, JackSynchro* table);
  47         virtual ~JackInternalClient();
  48
  49         int Open(const char* server_name, const char* name, jack_options_t options, jack_status_t* status);
  50
  51         JackGraphManager* GetGraphManager() const;
  52         JackEngineControl* GetEngineControl() const;
  53         JackClientControl* GetClientControl() const;
  54
  55         static JackGraphManager* fGraphManager;         /*! Shared memory Port manager */
  56         static JackEngineControl* fEngineControl;       /*! Shared engine cotrol */
  57 };
  58
  59 /*!
  60 \brief Loadable internal clients in the server.
  61 */
  62
  63 typedef int (*InitializeCallback)(jack_client_t*, const char*);
  64 typedef int (*InternalInitializeCallback)(jack_client_t*, const JSList* params);
  65 typedef void (*FinishCallback)(void *);
  66 typedef jack_driver_desc_t * (*JackDriverDescFunction) ();
  67
  68 class JackLoadableInternalClient : public JackInternalClient
  69 {
  70
  71     protected:
  72
  73         JACK_HANDLE fHandle;
  74         FinishCallback fFinish;
  75         JackDriverDescFunction fDescriptor;
  76
  77     public:
  78
  79         JackLoadableInternalClient(JackServer* server, JackSynchro* table)
  80             :JackInternalClient(server, table), fHandle(NULL), fFinish(NULL), fDescriptor(NULL)
  81         {}
  82         virtual ~JackLoadableInternalClient();
  83
  84         virtual int Init(const char* so_name);
  85
  86 };
  87
  88 class JackLoadableInternalClient1 : public JackLoadableInternalClient
  89 {
  90
  91     private:
  92
  93         InitializeCallback fInitialize;
  94         char fObjectData[JACK_LOAD_INIT_LIMIT];
  95
  96     public:
  97
  98         JackLoadableInternalClient1(JackServer* server, JackSynchro* table, const char* object_data);
  99         virtual ~JackLoadableInternalClient1()
 100         {}
 101
 102         int Init(const char* so_name);
 103         int Open(const char* server_name, const char* name, jack_options_t options, jack_status_t* status);
 104
 105 };
 106
 107 class JackLoadableInternalClient2 : public JackLoadableInternalClient
 108 {
 109
 110     private:
 111
 112         InternalInitializeCallback fInitialize;
 113         const JSList* fParameters;
 114
 115     public:
 116
 117         JackLoadableInternalClient2(JackServer* server, JackSynchro* table, const JSList*  parameters);
 118         virtual ~JackLoadableInternalClient2()
 119         {}
 120
 121         int Init(const char* so_name);
 122         int Open(const char* server_name, const char* name, jack_options_t options, jack_status_t* status);
 123
 124 };
 125
 126
 127 } // end of namespace
 128
 129 #endif