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 <stdlib.h>
  31 #include <string.h>
  32
  33 #include <pulse/xmalloc.h>
  34
  35 #include <pulsecore/core-subscribe.h>
  36 #include <pulsecore/log.h>
  37 #include <pulsecore/macro.h>
  38 #include <pulsecore/core-util.h>
  39
  40 #include "client.h"
  41
  42 pa_client *pa_client_new(pa_core *core, const char *driver, const char *name) {
  43     pa_client *c;
  44
  45     pa_core_assert_ref(core);
  46
  47     c = pa_xnew(pa_client, 1);
  48     c->core = core;
  49     c->proplist = pa_proplist_new();
  50     if (name)
  51         pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name);
  52     c->driver = pa_xstrdup(driver);
  53     c->module = NULL;
  54
  55     c->kill = NULL;
  56     c->userdata = NULL;
  57
  58     pa_assert_se(pa_idxset_put(core->clients, c, &c->index) >= 0);
  59
  60     pa_log_info("Created %u \"%s\"", c->index, pa_strnull(name));
  61     pa_subscription_post(core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_NEW, c->index);
  62
  63     pa_core_check_quit(core);
  64
  65     return c;
  66 }
  67
  68 void pa_client_free(pa_client *c) {
  69     pa_assert(c);
  70     pa_assert(c->core);
  71
  72     pa_idxset_remove_by_data(c->core->clients, c, NULL);
  73
  74     pa_core_check_quit(c->core);
  75
  76     pa_log_info("Freed %u \"%s\"", c->index, pa_strnull(pa_proplist_gets(c->proplist, PA_PROP_APPLICATION_NAME)));
  77     pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_REMOVE, c->index);
  78     pa_proplist_free(c->proplist);
  79     pa_xfree(c->driver);
  80     pa_xfree(c);
  81 }
  82
  83 void pa_client_kill(pa_client *c) {
  84     pa_assert(c);
  85
  86     if (!c->kill) {
  87         pa_log_warn("kill() operation not implemented for client %u", c->index);
  88         return;
  89     }
  90
  91     c->kill(c);
  92 }
  93
  94 void pa_client_set_name(pa_client *c, const char *name) {
  95     pa_assert(c);
  96
  97     pa_log_info("Client %u changed name from \"%s\" to \"%s\"", c->index, pa_strnull(pa_proplist_gets(c->proplist, PA_PROP_APPLICATION_NAME)), name);
  98     pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name);
  99     pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->index);
 100 }