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
  35 static const char* const valid_modargs[] = {
  36     "fd",
  37     "public",
  38     "cookie",
  39     NULL,
  40 };
  41
  42 int pa_module_init(struct pa_core *c, struct pa_module*m) {
  43     struct pa_iochannel *io;
  44     struct pa_modargs *ma;
  45     int fd, r = -1;
  46     assert(c && m);
  47
  48     if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
  49         fprintf(stderr, __FILE__": failed to parse module arguments.\n");
  50         goto finish;
  51     }
  52
  53     if (pa_modargs_get_value_u32(ma, "fd", &fd) < 0) {
  54         fprintf(stderr, __FILE__": invalid file descriptor.\n");
  55         goto finish;
  56     }
  57
  58     io = pa_iochannel_new(c->mainloop, fd, fd);
  59
  60     if (!(m->userdata = pa_protocol_native_new_iochannel(c, io, m, ma))) {
  61         pa_iochannel_free(io);
  62         goto finish;
  63     }
  64
  65     r = 0;
  66
  67 finish:
  68     if (ma)
  69         pa_modargs_free(ma);
  70
  71     return r;
  72 }
  73
  74 void pa_module_done(struct pa_core *c, struct pa_module*m) {
  75     assert(c && m);
  76
  77     pa_protocol_native_free(m->userdata);
  78 }