code.delx.au - pulseaudio/blob - src/module-cli.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 "cli.h"
  33 #include "sioman.h"
  34
  35 static void eof_cb(struct pa_cli*c, void *userdata) {
  36     struct pa_module *m = userdata;
  37     assert(c && m);
  38
  39     pa_module_unload_request(m->core, m);
  40 }
  41
  42 int pa_module_init(struct pa_core *c, struct pa_module*m) {
  43     struct pa_iochannel *io;
  44     assert(c && m);
  45
  46     if (m->argument) {
  47         fprintf(stderr, __FILE__": module doesn't accept arguments.\n");
  48         return -1;
  49     }
  50
  51     if (pa_stdio_acquire() < 0) {
  52         fprintf(stderr, __FILE__": STDIN/STDUSE already in use.\n");
  53         return -1;
  54     }
  55
  56     io = pa_iochannel_new(c->mainloop, STDIN_FILENO, STDOUT_FILENO);
  57     assert(io);
  58     pa_iochannel_set_noclose(io, 1);
  59
  60     m->userdata = pa_cli_new(c, io, m);
  61     assert(m->userdata);
  62
  63     pa_cli_set_eof_callback(m->userdata, eof_cb, m);
  64
  65     return 0;
  66 }
  67
  68 void pa_module_done(struct pa_core *c, struct pa_module*m) {
  69     assert(c && m);
  70
  71     pa_cli_free(m->userdata);
  72     pa_stdio_release();
  73 }