Asterisk.org: Developer Documentation (28 Oct 2009)

Wed Oct 28 15:47:47 2009

## Asterisk developer's documentation

# app_datetime.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  * \brief Time of day - Report the time of day
    00021  *
    00022  * \ingroup applications
    00023  */
    00024
    00025 #include <stdio.h>
    00026 #include <stdlib.h>
    00027 #include <unistd.h>
    00028 #include <string.h>
    00029
    00030 #include "asterisk.h"
    00031
    00032 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 7221 $")
    00033
    00034 #include "asterisk/lock.h"
    00035 #include "asterisk/file.h"
    00036 #include "asterisk/logger.h"
    00037 #include "asterisk/channel.h"
    00038 #include "asterisk/pbx.h"
    00039 #include "asterisk/module.h"
    00040 #include "asterisk/say.h"
    00041
    00042 static char *tdesc = "Date and Time";
    00043
    00044 static char *app = "DateTime";
    00045
    00046 static char *synopsis = "Say the date and time";
    00047
    00048 static char *descrip =
    00049 "  DateTime(): This application will say the current date and time.\n";
    00050
    00051 STANDARD_LOCAL_USER;
    00052
    00053 LOCAL_USER_DECL;
    00054
    00055 static int datetime_exec(struct ast_channel *chan, void *data)
    00056 {
    00057    int res=0;
    00058    time_t t;
    00059    struct localuser *u;
    00060    LOCAL_USER_ADD(u);
    00061    time(&t);
    00062    if (chan->_state != AST_STATE_UP)
    00063       res = ast_answer(chan);
    00064    if (!res)
    00065       res = ast_say_datetime(chan, t, "", chan->language);
    00066    LOCAL_USER_REMOVE(u);
    00067    return res;
    00068 }
    00069
    00070 int unload_module(void)
    00071 {
    00072    int res;
    00073
    00074    res = ast_unregister_application(app);
    00075
    00076    STANDARD_HANGUP_LOCALUSERS;
    00077
    00078    return res;
    00079 }
    00080
    00081 int load_module(void)
    00082 {
    00083    return ast_register_application(app, datetime_exec, synopsis, descrip);
    00084 }
    00085
    00086 char *description(void)
    00087 {
    00088    return tdesc;
    00089 }
    00090
    00091 int usecount(void)
    00092 {
    00093    int res;
    00094    STANDARD_USECOUNT(res);
    00095    return res;
    00096 }
    00097
    00098 char *key()
    00099 {
    00100    return ASTERISK_GPL_KEY;
    00101 }