src/modules/module-native-protocol-fd.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2004-2006 Lennart Poettering
   7
   8   PulseAudio is free software; you can redistribute it and/or modify
   9   it under the terms of the GNU Lesser General Public License as published
  10   by the Free Software Foundation; either version 2 of the License,
  11   or (at your option) any later version.
  12
  13   PulseAudio is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with PulseAudio; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21   USA.
  22 ***/
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <stdio.h>
  29 #include <unistd.h>
  30
  31 #include <pulsecore/module.h>
  32 #include <pulsecore/macro.h>
  33 #include <pulsecore/iochannel.h>
  34 #include <pulsecore/modargs.h>
  35 #include <pulsecore/protocol-native.h>
  36 #include <pulsecore/log.h>
  37
  38 #include "module-native-protocol-fd-symdef.h"
  39
  40 PA_MODULE_AUTHOR("Lennart Poettering")
  41 PA_MODULE_DESCRIPTION("Native protocol autospawn helper")
  42 PA_MODULE_VERSION(PACKAGE_VERSION)
  43
  44 static const char* const valid_modargs[] = {
  45     "fd",
  46     "public",
  47     "cookie",
  48     NULL,
  49 };
  50
  51 int pa__init(pa_module*m) {
  52     pa_iochannel *io;
  53     pa_modargs *ma;
  54     int fd, r = -1;
  55
  56     pa_assert(m);
  57
  58     if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
  59         pa_log("Failed to parse module arguments.");
  60         goto finish;
  61     }
  62
  63     if (pa_modargs_get_value_s32(ma, "fd", &fd) < 0) {
  64         pa_log("Invalid file descriptor.");
  65         goto finish;
  66     }
  67
  68     io = pa_iochannel_new(m->core->mainloop, fd, fd);
  69
  70     if (!(m->userdata = pa_protocol_native_new_iochannel(m->core, io, m, ma))) {
  71         pa_iochannel_free(io);
  72         goto finish;
  73     }
  74
  75     r = 0;
  76
  77 finish:
  78     if (ma)
  79         pa_modargs_free(ma);
  80
  81     return r;
  82 }
  83
  84 void pa__done(pa_module*m) {
  85     pa_assert(m);
  86
  87     pa_protocol_native_free(m->userdata);
  88 }