code.delx.au - pulseaudio/blob - polyp/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 #include "log.h"
  35
  36 PA_MODULE_AUTHOR("Lennart Poettering")
  37 PA_MODULE_DESCRIPTION("Command line interface")
  38 PA_MODULE_VERSION(PACKAGE_VERSION)
  39 PA_MODULE_USAGE("No arguments")
  40
  41 static void eof_cb(struct pa_cli*c, void *userdata) {
  42     struct pa_module *m = userdata;
  43     assert(c && m);
  44
  45     pa_module_unload_request(m);
  46 }
  47
  48 int pa__init(struct pa_core *c, struct pa_module*m) {
  49     struct pa_iochannel *io;
  50     assert(c && m);
  51
  52     if (m->argument) {
  53         pa_log(__FILE__": module doesn't accept arguments.\n");
  54         return -1;
  55     }
  56
  57     if (pa_stdio_acquire() < 0) {
  58         pa_log(__FILE__": STDIN/STDUSE already in use.\n");
  59         return -1;
  60     }
  61
  62     io = pa_iochannel_new(c->mainloop, STDIN_FILENO, STDOUT_FILENO);
  63     assert(io);
  64     pa_iochannel_set_noclose(io, 1);
  65
  66     m->userdata = pa_cli_new(c, io, m);
  67     assert(m->userdata);
  68
  69     pa_cli_set_eof_callback(m->userdata, eof_cb, m);
  70
  71     return 0;
  72 }
  73
  74 void pa__done(struct pa_core *c, struct pa_module*m) {
  75     assert(c && m);
  76
  77     pa_cli_free(m->userdata);
  78     pa_stdio_release();
  79 }