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

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