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