code.delx.au - pulseaudio/blob - src/modules/module-native-protocol-fd.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 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 <unistd.h>
  28
  29 #include <pulsecore/module.h>
  30 #include <pulsecore/macro.h>
  31 #include <pulsecore/iochannel.h>
  32 #include <pulsecore/modargs.h>
  33 #include <pulsecore/protocol-native.h>
  34 #include <pulsecore/log.h>
  35
  36 #include "module-native-protocol-fd-symdef.h"
  37
  38 PA_MODULE_AUTHOR("Lennart Poettering");
  39 PA_MODULE_DESCRIPTION("Native protocol autospawn helper");
  40 PA_MODULE_VERSION(PACKAGE_VERSION);
  41 PA_MODULE_LOAD_ONCE(TRUE);
  42
  43 static const char* const valid_modargs[] = {
  44     "fd",
  45     "public",
  46     "cookie",
  47     NULL,
  48 };
  49
  50 int pa__init(pa_module*m) {
  51     pa_iochannel *io;
  52     pa_modargs *ma;
  53     int fd, r = -1;
  54
  55     pa_assert(m);
  56
  57     if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
  58         pa_log("Failed to parse module arguments.");
  59         goto finish;
  60     }
  61
  62     if (pa_modargs_get_value_s32(ma, "fd", &fd) < 0) {
  63         pa_log("Invalid file descriptor.");
  64         goto finish;
  65     }
  66
  67     io = pa_iochannel_new(m->core->mainloop, fd, fd);
  68
  69     if (!(m->userdata = pa_protocol_native_new_iochannel(m->core, io, m, ma))) {
  70         pa_iochannel_free(io);
  71         goto finish;
  72     }
  73
  74     r = 0;
  75
  76 finish:
  77     if (ma)
  78         pa_modargs_free(ma);
  79
  80     return r;
  81 }
  82
  83 void pa__done(pa_module*m) {
  84     pa_assert(m);
  85
  86     pa_protocol_native_free(m->userdata);
  87 }