code.delx.au - pulseaudio/blob - polyp/pabrowse.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of polypaudio.
   5
   6   polypaudio 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 of the License,
   9   or (at your option) any later version.
  10
  11   polypaudio 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 polypaudio; 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 <polyp/mainloop.h>
  31 #include <polyp/mainloop-signal.h>
  32 #include <polyp/polyplib-browser.h>
  33 #include <polyp/typeid.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 t[16], 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     if (i->typeid)
  65         pa_typeid_to_string(*i->typeid, t, sizeof(t));
  66
  67     printf("device: %s\n"
  68            "description: %s\n"
  69            "type: %s\n"
  70            "sample spec: %s\n",
  71            i->device,
  72            i->description ? i->description : "n/a",
  73            i->typeid ? t : "n/a",
  74            i->sample_spec ? ss : "n/a");
  75
  76 }
  77
  78 static void browser_callback(pa_browser *b, pa_browse_opcode c, const pa_browse_info *i, void *userdata) {
  79     assert(b && i);
  80
  81     switch (c) {
  82
  83         case PA_BROWSE_NEW_SERVER:
  84             printf("\n=> new server <%s>\n", i->name);
  85             dump_server(i);
  86             break;
  87
  88         case PA_BROWSE_NEW_SINK:
  89             printf("\n=> new sink <%s>\n", i->name);
  90             dump_server(i);
  91             dump_device(i);
  92             break;
  93
  94         case PA_BROWSE_NEW_SOURCE:
  95             printf("\n=> new source <%s>\n", i->name);
  96             dump_server(i);
  97             dump_device(i);
  98             break;
  99
 100         case PA_BROWSE_REMOVE:
 101             printf("\n=> removed service <%s>\n", i->name);
 102             break;
 103
 104         default:
 105             ;
 106     }
 107 }
 108
 109
 110 int main(int argc, char *argv[]) {
 111     pa_mainloop *mainloop = NULL;
 112     pa_browser *browser = NULL;
 113     int ret = 1, r;
 114
 115     if (!(mainloop = pa_mainloop_new()))
 116         goto finish;
 117
 118     r = pa_signal_init(pa_mainloop_get_api(mainloop));
 119     assert(r == 0);
 120     pa_signal_new(SIGINT, exit_signal_callback, NULL);
 121     pa_signal_new(SIGTERM, exit_signal_callback, NULL);
 122     signal(SIGPIPE, SIG_IGN);
 123
 124     if (!(browser = pa_browser_new(pa_mainloop_get_api(mainloop))))
 125         goto finish;
 126
 127     pa_browser_set_callback(browser, browser_callback, NULL);
 128
 129     ret = 0;
 130     pa_mainloop_run(mainloop, &ret);
 131
 132 finish:
 133     if (mainloop) {
 134         pa_signal_done();
 135         pa_mainloop_free(mainloop);
 136     }
 137
 138     return ret;
 139 }