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

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   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 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 <stdio.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 #include <pulsecore/macro.h>
  36 #include <pulsecore/core-util.h>
  37
  38 #include "client.h"
  39
  40 pa_client *pa_client_new(pa_core *core, const char *driver, const char *name) {
  41     pa_client *c;
  42
  43     pa_core_assert_ref(core);
  44
  45     c = pa_xnew(pa_client, 1);
  46     c->core = core;
  47     c->proplist = pa_proplist_new();
  48     if (name)
  49         pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name);
  50     c->driver = pa_xstrdup(driver);
  51     c->module = NULL;
  52
  53     c->kill = NULL;
  54     c->userdata = NULL;
  55
  56     pa_assert_se(pa_idxset_put(core->clients, c, &c->index) >= 0);
  57
  58     pa_log_info("Created %u \"%s\"", c->index, pa_strnull(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     pa_core *core;
  68
  69     pa_assert(c);
  70     pa_assert(c->core);
  71
  72     core = c->core;
  73     pa_idxset_remove_by_data(c->core->clients, c, NULL);
  74
  75     pa_log_info("Freed %u \"%s\"", c->index, pa_strnull(pa_proplist_gets(c->proplist, PA_PROP_APPLICATION_NAME)));
  76     pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_REMOVE, c->index);
  77     pa_proplist_free(c->proplist);
  78     pa_xfree(c->driver);
  79     pa_xfree(c);
  80
  81     pa_core_check_quit(core);
  82 }
  83
  84 void pa_client_kill(pa_client *c) {
  85     pa_assert(c);
  86
  87     if (!c->kill) {
  88         pa_log_warn("kill() operation not implemented for client %u", c->index);
  89         return;
  90     }
  91
  92     c->kill(c);
  93 }
  94
  95 void pa_client_set_name(pa_client *c, const char *name) {
  96     pa_assert(c);
  97
  98     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);
  99     pa_proplist_sets(c->proplist, PA_PROP_APPLICATION_NAME, name);
 100     pa_subscription_post(c->core, PA_SUBSCRIPTION_EVENT_CLIENT|PA_SUBSCRIPTION_EVENT_CHANGE, c->index);
 101 }