code.delx.au - pulseaudio/blob - src/utils/pabrowse.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   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 2.1 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 <signal.h>
  29
  30 #include <pulse/browser.h>
  31 #include <pulse/pulseaudio.h>
  32
  33 #include <pulsecore/core-util.h>
  34
  35 static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
  36     fprintf(stderr, "Got signal, exiting\n");
  37     m->quit(m, 0);
  38 }
  39
  40 static void dump_server(const pa_browse_info *i) {
  41     char t[16];
  42
  43     if (i->cookie)
  44         snprintf(t, sizeof(t), "0x%08x", *i->cookie);
  45
  46     printf("server: %s\n"
  47            "server-version: %s\n"
  48            "user-name: %s\n"
  49            "fqdn: %s\n"
  50            "cookie: %s\n",
  51            i->server,
  52            i->server_version ? i->server_version : "n/a",
  53            i->user_name ? i->user_name : "n/a",
  54            i->fqdn ? i->fqdn : "n/a",
  55            i->cookie ? t : "n/a");
  56 }
  57
  58 static void dump_device(const pa_browse_info *i) {
  59     char ss[PA_SAMPLE_SPEC_SNPRINT_MAX];
  60
  61     if (i->sample_spec)
  62         pa_sample_spec_snprint(ss, sizeof(ss), i->sample_spec);
  63
  64     printf("device: %s\n"
  65            "description: %s\n"
  66            "sample spec: %s\n",
  67            i->device,
  68            i->description ? i->description : "n/a",
  69            i->sample_spec ? ss : "n/a");
  70
  71 }
  72
  73 static void browser_callback(pa_browser *b, pa_browse_opcode_t c, const pa_browse_info *i, void *userdata) {
  74     assert(b && i);
  75
  76     switch (c) {
  77
  78         case PA_BROWSE_NEW_SERVER:
  79             printf("\n=> new server <%s>\n", i->name);
  80             dump_server(i);
  81             break;
  82
  83         case PA_BROWSE_NEW_SINK:
  84             printf("\n=> new sink <%s>\n", i->name);
  85             dump_server(i);
  86             dump_device(i);
  87             break;
  88
  89         case PA_BROWSE_NEW_SOURCE:
  90             printf("\n=> new source <%s>\n", i->name);
  91             dump_server(i);
  92             dump_device(i);
  93             break;
  94
  95         case PA_BROWSE_REMOVE_SERVER:
  96             printf("\n=> removed server <%s>\n", i->name);
  97             break;
  98
  99         case PA_BROWSE_REMOVE_SINK:
 100             printf("\n=> removed sink <%s>\n", i->name);
 101             break;
 102
 103         case PA_BROWSE_REMOVE_SOURCE:
 104             printf("\n=> removed source <%s>\n", i->name);
 105             break;
 106
 107         default:
 108             ;
 109     }
 110 }
 111
 112 static void error_callback(pa_browser *b, const char *s, void *userdata) {
 113     pa_mainloop_api*m = userdata;
 114
 115     fprintf(stderr, "Failure: %s\n", s);
 116     m->quit(m, 1);
 117 }
 118
 119 int main(int argc, char *argv[]) {
 120     pa_mainloop *mainloop = NULL;
 121     pa_browser *browser = NULL;
 122     int ret = 1, r;
 123     const char *s;
 124
 125     if (!(mainloop = pa_mainloop_new()))
 126         goto finish;
 127
 128     r = pa_signal_init(pa_mainloop_get_api(mainloop));
 129     assert(r == 0);
 130     pa_signal_new(SIGINT, exit_signal_callback, NULL);
 131     pa_signal_new(SIGTERM, exit_signal_callback, NULL);
 132     pa_disable_sigpipe();
 133
 134     if (!(browser = pa_browser_new_full(pa_mainloop_get_api(mainloop), PA_BROWSE_FOR_SERVERS|PA_BROWSE_FOR_SINKS|PA_BROWSE_FOR_SOURCES, &s))) {
 135         fprintf(stderr, "pa_browse_new_full(): %s\n", s);
 136         goto finish;
 137     }
 138
 139     pa_browser_set_callback(browser, browser_callback, NULL);
 140     pa_browser_set_error_callback(browser, error_callback, pa_mainloop_get_api(mainloop));
 141
 142     ret = 0;
 143     pa_mainloop_run(mainloop, &ret);
 144
 145 finish:
 146
 147     if (browser)
 148         pa_browser_unref(browser);
 149
 150     if (mainloop) {
 151         pa_signal_done();
 152         pa_mainloop_free(mainloop);
 153     }
 154
 155     return ret;
 156 }