on this pass, only remove duplicate log messages
[asterisk/asterisk.git] / 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 <stdlib.h>
29 #include <stdio.h>
30 #include <string.h>
31
32 #include "asterisk.h"
33
34 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
35
36 #include "asterisk/lock.h"
37 #include "asterisk/file.h"
38 #include "asterisk/logger.h"
39 #include "asterisk/channel.h"
40 #include "asterisk/pbx.h"
41 #include "asterisk/module.h"
42 #include "asterisk/translate.h"
43 #include "asterisk/image.h"
44 #include "asterisk/app.h"
45 #include "asterisk/options.h"
46
47 static char *tdesc = "Image Transmission Application";
48
49 static char *app = "SendImage";
50
51 static char *synopsis = "Send an image file";
52
53 static char *descrip = 
54 "  SendImage(filename): Sends an image on a channel. \n"
55 "If the channel supports image transport but the image send\n"
56 "fails, the channel will be hung up. Otherwise, the dialplan\n"
57 "continues execution.\n"
58 "The option string may contain the following character:\n"
59 "       'j' -- jump to priority n+101 if the channel doesn't support image transport\n"
60 "This application sets the following channel variable upon completion:\n"
61 "       SENDIMAGESTATUS         The status is the result of the attempt as a text string, one of\n"
62 "               OK | NOSUPPORT \n";                     
63
64 STANDARD_LOCAL_USER;
65
66 LOCAL_USER_DECL;
67
68 static int sendimage_exec(struct ast_channel *chan, void *data)
69 {
70         int res = 0;
71         struct localuser *u;
72         char *parse;
73         int priority_jump = 0;
74         AST_DECLARE_APP_ARGS(args,
75                 AST_APP_ARG(filename);
76                 AST_APP_ARG(options);
77         );
78         
79         LOCAL_USER_ADD(u);
80
81         if (!(parse = ast_strdupa(data))) {
82                 LOCAL_USER_REMOVE(u);
83                 return -1;
84         }
85
86         AST_STANDARD_APP_ARGS(args, parse);
87
88         if (ast_strlen_zero(args.filename)) {
89                 ast_log(LOG_WARNING, "SendImage requires an argument (filename[|options])\n");
90                 return -1;
91         }
92
93         if (args.options) {
94                 if (strchr(args.options, 'j'))
95                         priority_jump = 1;
96         }
97
98         if (!ast_supports_images(chan)) {
99                 /* Does not support transport */
100                 if (priority_jump || ast_opt_priority_jumping)
101                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
102                 pbx_builtin_setvar_helper(chan, "SENDIMAGESTATUS", "NOSUPPORT");
103                 LOCAL_USER_REMOVE(u);
104                 return 0;
105         }
106
107         res = ast_send_image(chan, args.filename);
108         
109         if (!res)
110                 pbx_builtin_setvar_helper(chan, "SENDIMAGESTATUS", "OK");
111         
112         LOCAL_USER_REMOVE(u);
113         
114         return res;
115 }
116
117 int unload_module(void)
118 {
119         int res;
120
121         res = ast_unregister_application(app);
122
123         STANDARD_HANGUP_LOCALUSERS;
124
125         return res; 
126 }
127
128 int load_module(void)
129 {
130         return ast_register_application(app, sendimage_exec, synopsis, descrip);
131 }
132
133 char *description(void)
134 {
135         return tdesc;
136 }
137
138 int usecount(void)
139 {
140         int res;
141         STANDARD_USECOUNT(res);
142         return res;
143 }
144
145 char *key()
146 {
147         return ASTERISK_GPL_KEY;
148 }