apps/app_image.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 App to transmit an image
  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/pbx.h"
  33 #include "asterisk/module.h"
  34 #include "asterisk/image.h"
  35
  36 static char *app = "SendImage";
  37
  38 static char *synopsis = "Send an image file";
  39
  40 static char *descrip =
  41 "  SendImage(filename): Sends an image on a channel.\n"
  42 "Result of transmission will be stored in SENDIMAGESTATUS\n"
  43 "channel variable:\n"
  44 "    SUCCESS      Transmission succeeded\n"
  45 "    FAILURE      Transmission failed\n"
  46 "    UNSUPPORTED  Image transmission not supported by channel\n";
  47
  48
  49 static int sendimage_exec(struct ast_channel *chan, void *data)
  50 {
  51
  52         if (ast_strlen_zero(data)) {
  53                 ast_log(LOG_WARNING, "SendImage requires an argument (filename)\n");
  54                 return -1;
  55         }
  56
  57         if (!ast_supports_images(chan)) {
  58                 /* Does not support transport */
  59                 pbx_builtin_setvar_helper(chan, "SENDIMAGESTATUS", "UNSUPPORTED");
  60                 return 0;
  61         }
  62
  63         if (!ast_send_image(chan, data)) {
  64                 pbx_builtin_setvar_helper(chan, "SENDIMAGESTATUS", "SUCCESS");
  65         } else {
  66                 pbx_builtin_setvar_helper(chan, "SENDIMAGESTATUS", "FAILURE");
  67         }
  68
  69         return 0;
  70 }
  71
  72 static int unload_module(void)
  73 {
  74         return ast_unregister_application(app);
  75 }
  76
  77 static int load_module(void)
  78 {
  79         return ast_register_application(app, sendimage_exec, synopsis, descrip);
  80 }
  81
  82 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Image Transmission Application");