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       1                 :            : /***
       2                 :            :   This file is part of PulseAudio.
       3                 :            : 
       4                 :            :   Copyright 2004-2006, 2009 Lennart Poettering
       5                 :            :   Copyright 2006 Shams E. King
       6                 :            : 
       7                 :            :   PulseAudio is free software; you can redistribute it and/or modify
       8                 :            :   it under the terms of the GNU Lesser General Public License as published
       9                 :            :   by the Free Software Foundation; either version 2.1 of the License,
      10                 :            :   or (at your option) any later version.
      11                 :            : 
      12                 :            :   PulseAudio is distributed in the hope that it will be useful, but
      13                 :            :   WITHOUT ANY WARRANTY; without even the implied warranty of
      14                 :            :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
      15                 :            :   General Public License for more details.
      16                 :            : 
      17                 :            :   You should have received a copy of the GNU Lesser General Public License
      18                 :            :   along with PulseAudio; if not, write to the Free Software
      19                 :            :   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
      20                 :            :   USA.
      21                 :            : ***/
      22                 :            : 
      23                 :            : #ifdef HAVE_CONFIG_H
      24                 :            : #include <config.h>
      25                 :            : #endif
      26                 :            : 
      27                 :            : #include <pulse/xmalloc.h>
      28                 :            : 
      29                 :            : #include <pulsecore/shared.h>
      30                 :            : 
      31                 :            : #include "dbus-shared.h"
      32                 :            : 
      33                 :            : struct pa_dbus_connection {
      34                 :            :     PA_REFCNT_DECLARE;
      35                 :            : 
      36                 :            :     pa_dbus_wrap_connection *connection;
      37                 :            :     pa_core *core;
      38                 :            :     const char *property_name;
      39                 :            : };
      40                 :            : 
      41                 :            : static pa_dbus_connection* dbus_connection_new(pa_core *c, pa_dbus_wrap_connection *conn, const char *name) {
      42                 :            :     pa_dbus_connection *pconn;
      43                 :            : 
      44                 :          0 :     pconn = pa_xnew(pa_dbus_connection, 1);
      45                 :          0 :     PA_REFCNT_INIT(pconn);
      46                 :          0 :     pconn->core = c;
      47                 :          0 :     pconn->property_name = name;
      48                 :          0 :     pconn->connection = conn;
      49                 :            : 
      50                 :          0 :     pa_shared_set(c, name, pconn);
      51                 :            : 
      52                 :            :     return pconn;
      53                 :            : }
      54                 :            : 
      55                 :          0 : pa_dbus_connection* pa_dbus_bus_get(pa_core *c, DBusBusType type, DBusError *error) {
      56                 :            : 
      57                 :            :     static const char *const prop_name[] = {
      58                 :            :         [DBUS_BUS_SESSION] = "dbus-connection-session",
      59                 :            :         [DBUS_BUS_SYSTEM] = "dbus-connection-system",
      60                 :            :         [DBUS_BUS_STARTER] = "dbus-connection-starter"
      61                 :            :     };
      62                 :            :     pa_dbus_wrap_connection *conn;
      63                 :            :     pa_dbus_connection *pconn;
      64                 :            : 
      65         [ #  # ]:          0 :     pa_assert(type == DBUS_BUS_SYSTEM || type == DBUS_BUS_SESSION || type == DBUS_BUS_STARTER);
      66                 :            : 
      67         [ #  # ]:          0 :     if ((pconn = pa_shared_get(c, prop_name[type])))
      68                 :          0 :         return pa_dbus_connection_ref(pconn);
      69                 :            : 
      70         [ #  # ]:          0 :     if (!(conn = pa_dbus_wrap_connection_new(c->mainloop, TRUE, type, error)))
      71                 :            :         return NULL;
      72                 :            : 
      73                 :          0 :     return dbus_connection_new(c, conn, prop_name[type]);
      74                 :            : }
      75                 :            : 
      76                 :          0 : DBusConnection* pa_dbus_connection_get(pa_dbus_connection *c){
      77         [ #  # ]:          0 :     pa_assert(c);
      78         [ #  # ]:          0 :     pa_assert(PA_REFCNT_VALUE(c) > 0);
      79         [ #  # ]:          0 :     pa_assert(c->connection);
      80                 :            : 
      81                 :          0 :     return pa_dbus_wrap_connection_get(c->connection);
      82                 :            : }
      83                 :            : 
      84                 :          0 : void pa_dbus_connection_unref(pa_dbus_connection *c) {
      85         [ #  # ]:          0 :     pa_assert(c);
      86         [ #  # ]:          0 :     pa_assert(PA_REFCNT_VALUE(c) > 0);
      87                 :            : 
      88         [ #  # ]:          0 :     if (PA_REFCNT_DEC(c) > 0)
      89                 :          0 :         return;
      90                 :            : 
      91                 :          0 :     pa_dbus_wrap_connection_free(c->connection);
      92                 :            : 
      93                 :          0 :     pa_shared_remove(c->core, c->property_name);
      94                 :          0 :     pa_xfree(c);
      95                 :            : }
      96                 :            : 
      97                 :          0 : pa_dbus_connection* pa_dbus_connection_ref(pa_dbus_connection *c) {
      98         [ #  # ]:          0 :     pa_assert(c);
      99         [ #  # ]:          0 :     pa_assert(PA_REFCNT_VALUE(c) > 0);
     100                 :            : 
     101                 :          0 :     PA_REFCNT_INC(c);
     102                 :            : 
     103                 :          0 :     return c;
     104                 :            : }