apps/app_softhangup.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2005, Digium, Inc.
   5  *
   6  * Mark Spencer <markster@digium.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  */
  18
  19 /*! \file
  20  *
  21  * \brief SoftHangup application
  22  *
  23  * \author Mark Spencer <markster@digium.com>
  24  *
  25  * \ingroup applications
  26  */
  27
  28 #include "asterisk.h"
  29
  30 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  31
  32 #include "asterisk/file.h"
  33 #include "asterisk/channel.h"
  34 #include "asterisk/pbx.h"
  35 #include "asterisk/module.h"
  36 #include "asterisk/lock.h"
  37 #include "asterisk/app.h"
  38
  39 static char *synopsis = "Soft Hangup Application";
  40
  41 static char *desc = "  SoftHangup(Technology/resource[,options]):\n"
  42 "Hangs up the requested channel.  If there are no channels to hangup,\n"
  43 "the application will report it.\n"
  44 "  Options:\n"
  45 "     'a'  - hang up all channels on a specified device instead of a single resource\n";
  46
  47 static char *app = "SoftHangup";
  48
  49 enum {
  50         OPTION_ALL = (1 << 0),
  51 };
  52
  53 AST_APP_OPTIONS(app_opts,{
  54         AST_APP_OPTION('a', OPTION_ALL),
  55 });
  56
  57 static int softhangup_exec(struct ast_channel *chan, void *data)
  58 {
  59         struct ast_channel *c = NULL;
  60         char *cut, *opts[0];
  61         char name[AST_CHANNEL_NAME] = "", *parse;
  62         struct ast_flags flags;
  63         int lenmatch;
  64         AST_DECLARE_APP_ARGS(args,
  65                 AST_APP_ARG(channel);
  66                 AST_APP_ARG(options);
  67         );
  68
  69         if (ast_strlen_zero(data)) {
  70                 ast_log(LOG_WARNING, "SoftHangup requires an argument (Technology/resource)\n");
  71                 return 0;
  72         }
  73
  74         parse = ast_strdupa(data);
  75         AST_STANDARD_APP_ARGS(args, parse);
  76
  77         if (args.argc == 2)
  78                 ast_app_parse_options(app_opts, &flags, opts, args.options);
  79         lenmatch = strlen(args.channel);
  80
  81         for (c = ast_walk_channel_by_name_prefix_locked(NULL, args.channel, lenmatch);
  82                  c;
  83                  c = ast_walk_channel_by_name_prefix_locked(c, args.channel, lenmatch)) {
  84                 ast_copy_string(name, c->name, sizeof(name));
  85                 if (ast_test_flag(&flags, OPTION_ALL)) {
  86                         /* CAPI is set up like CAPI[foo/bar]/clcnt */
  87                         if (!strcmp(c->tech->type, "CAPI"))
  88                                 cut = strrchr(name, '/');
  89                         /* Basically everything else is Foo/Bar-Z */
  90                         else
  91                                 cut = strchr(name, '-');
  92                         /* Get rid of what we've cut */
  93                         if (cut)
  94                                 *cut = 0;
  95                 }
  96                 if (!strcasecmp(name, args.channel)) {
  97                         ast_log(LOG_WARNING, "Soft hanging %s up.\n", c->name);
  98                         ast_softhangup(c, AST_SOFTHANGUP_EXPLICIT);
  99                         if (!ast_test_flag(&flags, OPTION_ALL)) {
 100                                 ast_channel_unlock(c);
 101                                 break;
 102                         }
 103                 }
 104                 ast_channel_unlock(c);
 105         }
 106
 107         return 0;
 108 }
 109
 110 static int unload_module(void)
 111 {
 112         return ast_unregister_application(app);
 113 }
 114
 115 static int load_module(void)
 116 {
 117         return ast_register_application(app, softhangup_exec, synopsis, desc);
 118 }
 119
 120 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Hangs up the requested channel");