Sat Aug 6 00:39:20 2011

Asterisk developer's documentation


app_lookupcidname.c

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00001 /*
00002  * Asterisk -- An open source telephony toolkit.
00003  *
00004  * Copyright (C) 1999 - 2005, Digium, Inc.
00005  *
00006  * Mark Spencer <markster@digium.com>
00007  *
00008  * See http://www.asterisk.org for more information about
00009  * the Asterisk project. Please do not directly contact
00010  * any of the maintainers of this project for assistance;
00011  * the project provides a web site, mailing lists and IRC
00012  * channels for your use.
00013  *
00014  * This program is free software, distributed under the terms of
00015  * the GNU General Public License Version 2. See the LICENSE file
00016  * at the top of the source tree.
00017  */
00018 
00019 /*! \file
00020  *
00021  * \brief App to set callerid name from database, based on directory number
00022  *
00023  * \author Mark Spencer <markster@digium.com>
00024  * 
00025  * \ingroup applications
00026  */
00027 
00028 #include "asterisk.h"
00029 
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 56922 $")
00031 
00032 #include <stdlib.h>
00033 #include <stdio.h>
00034 #include <string.h>
00035 
00036 #include "asterisk/lock.h"
00037 #include "asterisk/file.h"
00038 #include "asterisk/logger.h"
00039 #include "asterisk/options.h"
00040 #include "asterisk/channel.h"
00041 #include "asterisk/pbx.h"
00042 #include "asterisk/module.h"
00043 #include "asterisk/translate.h"
00044 #include "asterisk/image.h"
00045 #include "asterisk/callerid.h"
00046 #include "asterisk/astdb.h"
00047 
00048 static char *app = "LookupCIDName";
00049 
00050 static char *synopsis = "Look up CallerID Name from local database";
00051 
00052 static char *descrip =
00053   "  LookupCIDName: Looks up the Caller*ID number on the active\n"
00054   "channel in the Asterisk database (family 'cidname') and sets the\n"
00055   "Caller*ID name.  Does nothing if no Caller*ID was received on the\n"
00056   "channel.  This is useful if you do not subscribe to Caller*ID\n"
00057   "name delivery, or if you want to change the names on some incoming\n"
00058   "calls.\n\n"
00059   "LookupCIDName is deprecated.  Please use ${DB(cidname/${CALLERID(num)})}\n"
00060   "instead.\n";
00061 
00062 
00063 static int lookupcidname_exec (struct ast_channel *chan, void *data)
00064 {
00065    char dbname[64];
00066    struct ast_module_user *u;
00067    static int dep_warning = 0;
00068 
00069    u = ast_module_user_add(chan);
00070    if (!dep_warning) {
00071       dep_warning = 1;
00072       ast_log(LOG_WARNING, "LookupCIDName is deprecated.  Please use ${DB(cidname/${CALLERID(num)})} instead.\n");
00073    }
00074    if (chan->cid.cid_num) {
00075       if (!ast_db_get ("cidname", chan->cid.cid_num, dbname, sizeof (dbname))) {
00076          ast_set_callerid (chan, NULL, dbname, NULL);
00077          if (option_verbose > 2)
00078             ast_verbose (VERBOSE_PREFIX_3 "Changed Caller*ID name to %s\n",
00079                     dbname);
00080       }
00081    }
00082    ast_module_user_remove(u);
00083 
00084    return 0;
00085 }
00086 
00087 static int unload_module(void)
00088 {
00089    int res;
00090 
00091    res = ast_unregister_application (app);
00092 
00093    ast_module_user_hangup_all();
00094 
00095    return res;
00096 }
00097 
00098 static int load_module(void)
00099 {
00100    return ast_register_application (app, lookupcidname_exec, synopsis, descrip);
00101 }
00102 
00103 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Look up CallerID Name from local database");

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