apps/app_hasnewvoicemail.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Changes Copyright (c) 2004 - 2006 Todd Freeman <freeman@andrews.edu>
   5  *
   6  * 95% based on HasNewVoicemail by:
   7  *
   8  * Copyright (c) 2003 Tilghman Lesher.  All rights reserved.
   9  *
  10  * Tilghman Lesher <asterisk-hasnewvoicemail-app@the-tilghman.com>
  11  *
  12  * See http://www.asterisk.org for more information about
  13  * the Asterisk project. Please do not directly contact
  14  * any of the maintainers of this project for assistance;
  15  * the project provides a web site, mailing lists and IRC
  16  * channels for your use.
  17  *
  18  * This program is free software, distributed under the terms of
  19  * the GNU General Public License Version 2. See the LICENSE file
  20  * at the top of the source tree.
  21  */
  22
  23 /*! \file
  24  *
  25  * \brief HasVoicemail application
  26  *
  27  * \author Todd Freeman <freeman@andrews.edu>
  28  *
  29  * \note 95% based on HasNewVoicemail by
  30  * Tilghman Lesher <asterisk-hasnewvoicemail-app@the-tilghman.com>
  31  *
  32  * \ingroup applications
  33  */
  34
  35 #include "asterisk.h"
  36
  37 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  38
  39 #include <stdlib.h>
  40 #include <stdio.h>
  41 #include <string.h>
  42 #include <unistd.h>
  43 #include <dirent.h>
  44 #include <sys/types.h>
  45
  46 #include "asterisk/file.h"
  47 #include "asterisk/logger.h"
  48 #include "asterisk/channel.h"
  49 #include "asterisk/pbx.h"
  50 #include "asterisk/module.h"
  51 #include "asterisk/lock.h"
  52 #include "asterisk/utils.h"
  53 #include "asterisk/app.h"
  54 #include "asterisk/options.h"
  55
  56 static char *app_hasvoicemail = "HasVoicemail";
  57 static char *hasvoicemail_synopsis = "Conditionally branches to priority + 101 with the right options set";
  58 static char *hasvoicemail_descrip =
  59 "HasVoicemail(vmbox[/folder][@context][|varname[|options]])\n"
  60 "  Optionally sets <varname> to the number of messages in that folder."
  61 "  Assumes folder of INBOX if not specified.\n"
  62 "  The option string may contain zero or the following character:\n"
  63 "       'j' -- jump to priority n+101, if there is voicemail in the folder indicated.\n"
  64 "  This application sets the following channel variable upon completion:\n"
  65 "       HASVMSTATUS             The result of the voicemail check returned as a text string as follows\n"
  66 "               <# of messages in the folder, 0 for NONE>\n";
  67
  68 static char *app_hasnewvoicemail = "HasNewVoicemail";
  69 static char *hasnewvoicemail_synopsis = "Conditionally branches to priority + 101 with the right options set";
  70 static char *hasnewvoicemail_descrip =
  71 "HasNewVoicemail(vmbox[/folder][@context][|varname[|options]])\n"
  72 "Assumes folder 'INBOX' if folder is not specified. Optionally sets <varname> to the number of messages\n"
  73 "in that folder.\n"
  74 "  The option string may contain zero of the following character:\n"
  75 "       'j' -- jump to priority n+101, if there is new voicemail in folder 'folder' or INBOX\n"
  76 "  This application sets the following channel variable upon completion:\n"
  77 "       HASVMSTATUS             The result of the new voicemail check returned as a text string as follows\n"
  78 "               <# of messages in the folder, 0 for NONE>\n";
  79
  80
  81 static int hasvoicemail_exec(struct ast_channel *chan, void *data)
  82 {
  83         struct ast_module_user *u;
  84         char *input, *varname = NULL, *vmbox, *context = "default";
  85         char *vmfolder;
  86         int vmcount = 0;
  87         static int dep_warning = 0;
  88         int priority_jump = 0;
  89         char tmp[12];
  90         AST_DECLARE_APP_ARGS(args,
  91                 AST_APP_ARG(vmbox);
  92                 AST_APP_ARG(varname);
  93                 AST_APP_ARG(options);
  94         );
  95
  96         if (!dep_warning) {
  97                 ast_log(LOG_WARNING, "The applications HasVoicemail and HasNewVoicemail have been deprecated.  Please use the VMCOUNT() function instead.\n");
  98                 dep_warning = 1;
  99         }
 100
 101         if (!data) {
 102                 ast_log(LOG_WARNING, "HasVoicemail requires an argument (vm-box[/folder][@context][|varname[|options]])\n");
 103                 return -1;
 104         }
 105
 106         u = ast_module_user_add(chan);
 107
 108         input = ast_strdupa(data);
 109
 110         AST_STANDARD_APP_ARGS(args, input);
 111
 112         vmbox = strsep(&args.vmbox, "@");
 113
 114         if (!ast_strlen_zero(args.vmbox))
 115                 context = args.vmbox;
 116
 117         vmfolder = strchr(vmbox, '/');
 118         if (vmfolder) {
 119                 *vmfolder = '\0';
 120                 vmfolder++;
 121         } else {
 122                 vmfolder = "INBOX";
 123         }
 124
 125         if (args.options) {
 126                 if (strchr(args.options, 'j'))
 127                         priority_jump = 1;
 128         }
 129
 130         vmcount = ast_app_messagecount(context, vmbox, vmfolder);
 131         /* Set the count in the channel variable */
 132         if (varname) {
 133                 snprintf(tmp, sizeof(tmp), "%d", vmcount);
 134                 pbx_builtin_setvar_helper(chan, varname, tmp);
 135         }
 136
 137         if (vmcount > 0) {
 138                 /* Branch to the next extension */
 139                 if (priority_jump || ast_opt_priority_jumping) {
 140                         if (ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101))
 141                                 ast_log(LOG_WARNING, "VM box %s@%s has new voicemail, but extension %s, priority %d doesn't exist\n", vmbox, context, chan->exten, chan->priority + 101);
 142                 }
 143         }
 144
 145         snprintf(tmp, sizeof(tmp), "%d", vmcount);
 146         pbx_builtin_setvar_helper(chan, "HASVMSTATUS", tmp);
 147
 148         ast_module_user_remove(u);
 149
 150         return 0;
 151 }
 152
 153 static int acf_vmcount_exec(struct ast_channel *chan, char *cmd, char *argsstr, char *buf, size_t len)
 154 {
 155         struct ast_module_user *u;
 156         char *context;
 157         AST_DECLARE_APP_ARGS(args,
 158                 AST_APP_ARG(vmbox);
 159                 AST_APP_ARG(folder);
 160         );
 161
 162         u = ast_module_user_add(chan);
 163
 164         buf[0] = '\0';
 165
 166         AST_STANDARD_APP_ARGS(args, argsstr);
 167
 168         if (strchr(args.vmbox, '@')) {
 169                 context = args.vmbox;
 170                 args.vmbox = strsep(&context, "@");
 171         } else {
 172                 context = "default";
 173         }
 174
 175         if (ast_strlen_zero(args.folder)) {
 176                 args.folder = "INBOX";
 177         }
 178
 179         snprintf(buf, len, "%d", ast_app_messagecount(context, args.vmbox, args.folder));
 180
 181         ast_module_user_remove(u);
 182
 183         return 0;
 184 }
 185
 186 struct ast_custom_function acf_vmcount = {
 187         .name = "VMCOUNT",
 188         .synopsis = "Counts the voicemail in a specified mailbox",
 189         .syntax = "VMCOUNT(vmbox[@context][|folder])",
 190         .desc =
 191         "  context - defaults to \"default\"\n"
 192         "  folder  - defaults to \"INBOX\"\n",
 193         .read = acf_vmcount_exec,
 194 };
 195
 196 static int unload_module(void)
 197 {
 198         int res;
 199
 200         res = ast_custom_function_unregister(&acf_vmcount);
 201         res |= ast_unregister_application(app_hasvoicemail);
 202         res |= ast_unregister_application(app_hasnewvoicemail);
 203
 204         ast_module_user_hangup_all();
 205
 206         return res;
 207 }
 208
 209 static int load_module(void)
 210 {
 211         int res;
 212
 213         res = ast_custom_function_register(&acf_vmcount);
 214         res |= ast_register_application(app_hasvoicemail, hasvoicemail_exec, hasvoicemail_synopsis, hasvoicemail_descrip);
 215         res |= ast_register_application(app_hasnewvoicemail, hasvoicemail_exec, hasnewvoicemail_synopsis, hasnewvoicemail_descrip);
 216
 217         return res;
 218 }
 219
 220 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Indicator for whether a voice mailbox has messages in a given folder.");