code.delx.au - pulseaudio/blob - src/pulsecore/client.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2004-2006 Lennart Poettering
   7   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <stdio.h>
  30 #include <assert.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33
  34 #include <pulse/xmalloc.h>
  35
  36 #include <pulsecore/core-subscribe.h>
  37 #include <pulsecore/log.h>
  38
  39 #include "client.h"
  40
  41 pa_client *pa_client_new(pa_core *core, const char *driver, const char *name) {
  42     pa_client *c;
  43     int r;
  44     assert(core);
  45
  46     c = pa_xmalloc(sizeof(pa_client));
  47     c->name = pa_xstrdup(name);
  48     c->driver = pa_xstrdup(driver);
  49     c->owner = NULL;
  50     c->core = core;
  51
  52     c->kill = NULL;
  53     c->userdata = NULL;
  54
  55     r = pa_idxset_put(core->clients, c, &c->index);
  56     assert(c->index != PA_IDXSET_INVALID && r >= 0);
  57
  58     pa_log_info("created %u \"%s\"", c->index, c->name);
  59     pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_NEW, c->index);
  60
  61     pa_core_check_quit(core);
  62
  63     return c;
  64 }
  65
  66 void pa_client_free(pa_client *c) {
  67     assert(c && c->core);
  68
  69     pa_idxset_remove_by_data(c->core->clients, c, NULL);
  70
  71     pa_core_check_quit(c->core);
  72
  73     pa_log_info("freed %u \"%s\"", c->index, c->name);
  74     pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_REMOVE, c->index);
  75     pa_xfree(c->name);
  76     pa_xfree(c->driver);
  77     pa_xfree(c);
  78 }
  79
  80 void pa_client_kill(pa_client *c) {
  81     assert(c);
  82     if (!c->kill) {
  83         pa_log_warn("kill() operation not implemented for client %u", c->index);
  84         return;
  85     }
  86
  87     c->kill(c);
  88 }
  89
  90 void pa_client_set_name(pa_client *c, const char *name) {
  91     assert(c);
  92
  93     pa_log_info("client %u changed name from \"%s\" to \"%s\"", c->index, c->name, name);
  94
  95     pa_xfree(c->name);
  96     c->name = pa_xstrdup(name);
  97
  98     pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->index);
  99 }