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