app_image.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 transmit an image
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: 134088 $")
00031 
00032 #include "asterisk/pbx.h"
00033 #include "asterisk/module.h"
00034 #include "asterisk/image.h"
00035 
00036 static char *app = "SendImage";
00037 
00038 static char *synopsis = "Send an image file";
00039 
00040 static char *descrip = 
00041 "  SendImage(filename): Sends an image on a channel.\n"
00042 "Result of transmission will be stored in SENDIMAGESTATUS\n"
00043 "channel variable:\n"
00044 "    SUCCESS      Transmission succeeded\n"
00045 "    FAILURE      Transmission failed\n"
00046 "    UNSUPPORTED  Image transmission not supported by channel\n";
00047 
00048 
00049 static int sendimage_exec(struct ast_channel *chan, void *data)
00050 {
00051 
00052    if (ast_strlen_zero(data)) {
00053       ast_log(LOG_WARNING, "SendImage requires an argument (filename)\n");
00054       return -1;
00055    }
00056 
00057    if (!ast_supports_images(chan)) {
00058       /* Does not support transport */
00059       pbx_builtin_setvar_helper(chan, "SENDIMAGESTATUS", "UNSUPPORTED");
00060       return 0;
00061    }
00062 
00063    if (!ast_send_image(chan, data)) {
00064       pbx_builtin_setvar_helper(chan, "SENDIMAGESTATUS", "SUCCESS");
00065    } else {
00066       pbx_builtin_setvar_helper(chan, "SENDIMAGESTATUS", "FAILURE");
00067    }
00068    
00069    return 0;
00070 }
00071 
00072 static int unload_module(void)
00073 {
00074    return ast_unregister_application(app);
00075 }
00076 
00077 static int load_module(void)
00078 {
00079    return ast_register_application(app, sendimage_exec, synopsis, descrip);
00080 }
00081 
00082 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Image Transmission Application");
Asterisk developer's documentation

app_image.c
