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 #include <pulse/rtclock.h>
  33
  34 #include <pulsecore/core-util.h>
  35
  36 static void exit_signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
  37     fprintf(stderr, "Got signal, exiting\n");
  38     m->quit(m, 0);
  39 }
  40
  41 static void dump_server(const pa_browse_info *i) {
  42     char t[16];
  43
  44     if (i->cookie)
  45         snprintf(t, sizeof(t), "0x%08x", *i->cookie);
  46
  47     printf("server: %s\n"
  48            "server-version: %s\n"
  49            "user-name: %s\n"
  50            "fqdn: %s\n"
  51            "cookie: %s\n",
  52            i->server,
  53            i->server_version ? i->server_version : "n/a",
  54            i->user_name ? i->user_name : "n/a",
  55            i->fqdn ? i->fqdn : "n/a",
  56            i->cookie ? t : "n/a");
  57 }
  58
  59 static void dump_device(const pa_browse_info *i) {
  60     char ss[PA_SAMPLE_SPEC_SNPRINT_MAX];
  61
  62     if (i->sample_spec)
  63         pa_sample_spec_snprint(ss, sizeof(ss), i->sample_spec);
  64
  65     printf("device: %s\n"
  66            "description: %s\n"
  67            "sample spec: %s\n",
  68            i->device,
  69            i->description ? i->description : "n/a",
  70            i->sample_spec ? ss : "n/a");
  71
  72 }
  73
  74 static void browser_callback(pa_browser *b, pa_browse_opcode_t c, const pa_browse_info *i, void *userdata) {
  75     assert(b && i);
  76
  77     switch (c) {
  78
  79         case PA_BROWSE_NEW_SERVER:
  80             printf("\n=> new server <%s>\n", i->name);
  81             dump_server(i);
  82             break;
  83
  84         case PA_BROWSE_NEW_SINK:
  85             printf("\n=> new sink <%s>\n", i->name);
  86             dump_server(i);
  87             dump_device(i);
  88             break;
  89
  90         case PA_BROWSE_NEW_SOURCE:
  91             printf("\n=> new source <%s>\n", i->name);
  92             dump_server(i);
  93             dump_device(i);
  94             break;
  95
  96         case PA_BROWSE_REMOVE_SERVER:
  97             printf("\n=> removed server <%s>\n", i->name);
  98             break;
  99
 100         case PA_BROWSE_REMOVE_SINK:
 101             printf("\n=> removed sink <%s>\n", i->name);
 102             break;
 103
 104         case PA_BROWSE_REMOVE_SOURCE:
 105             printf("\n=> removed source <%s>\n", i->name);
 106             break;
 107
 108         default:
 109             ;
 110     }
 111 }
 112
 113 static void error_callback(pa_browser *b, const char *s, void *userdata) {
 114     pa_mainloop_api*m = userdata;
 115
 116     fprintf(stderr, "Failure: %s\n", s);
 117     m->quit(m, 1);
 118 }
 119
 120 int main(int argc, char *argv[]) {
 121     pa_mainloop *mainloop = NULL;
 122     pa_browser *browser = NULL;
 123     int ret = 1, r;
 124     const char *s;
 125
 126     if (!(mainloop = pa_mainloop_new()))
 127         goto finish;
 128
 129     r = pa_signal_init(pa_mainloop_get_api(mainloop));
 130     assert(r == 0);
 131     pa_signal_new(SIGINT, exit_signal_callback, NULL);
 132     pa_signal_new(SIGTERM, exit_signal_callback, NULL);
 133     pa_disable_sigpipe();
 134
 135     if (!(browser = pa_browser_new_full(pa_mainloop_get_api(mainloop), PA_BROWSE_FOR_SERVERS|PA_BROWSE_FOR_SINKS|PA_BROWSE_FOR_SOURCES, &s))) {
 136         fprintf(stderr, "pa_browse_new_full(): %s\n", s);
 137         goto finish;
 138     }
 139
 140     pa_browser_set_callback(browser, browser_callback, NULL);
 141     pa_browser_set_error_callback(browser, error_callback, pa_mainloop_get_api(mainloop));
 142
 143     ret = 0;
 144     pa_mainloop_run(mainloop, &ret);
 145
 146 finish:
 147
 148     if (browser)
 149         pa_browser_unref(browser);
 150
 151     if (mainloop) {
 152         pa_signal_done();
 153         pa_mainloop_free(mainloop);
 154     }
 155
 156     return ret;
 157 }