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00028 #include <stdlib.h>
00029 #include <stdio.h>
00030 #include <string.h>
00031
00032 #include "asterisk.h"
00033
00034 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 7221 $")
00035
00036 #include "asterisk/lock.h"
00037 #include "asterisk/file.h"
00038 #include "asterisk/logger.h"
00039 #include "asterisk/channel.h"
00040 #include "asterisk/pbx.h"
00041 #include "asterisk/module.h"
00042 #include "asterisk/translate.h"
00043 #include "asterisk/image.h"
00044 #include "asterisk/options.h"
00045 #include "asterisk/app.h"
00046
00047 static const char *tdesc = "Send Text Applications";
00048
00049 static const char *app = "SendText";
00050
00051 static const char *synopsis = "Send a Text Message";
00052
00053 static const char *descrip =
00054 " SendText(text[|options]): Sends text to current channel (callee).\n"
00055 "Result of transmission will be stored in the SENDTEXTSTATUS\n"
00056 "channel variable:\n"
00057 " SUCCESS Transmission succeeded\n"
00058 " FAILURE Transmission failed\n"
00059 " UNSUPPORTED Text transmission not supported by channel\n"
00060 "\n"
00061 "At this moment, text is supposed to be 7 bit ASCII in most channels.\n"
00062 "The option string many contain the following character:\n"
00063 "'j' -- jump to n+101 priority if the channel doesn't support\n"
00064 " text transport\n";
00065
00066 STANDARD_LOCAL_USER;
00067
00068 LOCAL_USER_DECL;
00069
00070 static int sendtext_exec(struct ast_channel *chan, void *data)
00071 {
00072 int res = 0;
00073 struct localuser *u;
00074 char *status = "UNSUPPORTED";
00075 char *parse = NULL;
00076 int priority_jump = 0;
00077 AST_DECLARE_APP_ARGS(args,
00078 AST_APP_ARG(text);
00079 AST_APP_ARG(options);
00080 );
00081
00082 LOCAL_USER_ADD(u);
00083
00084 if (ast_strlen_zero(data)) {
00085 ast_log(LOG_WARNING, "SendText requires an argument (text[|options])\n");
00086 LOCAL_USER_REMOVE(u);
00087 return -1;
00088 } else {
00089 parse = ast_strdupa(data);
00090 if (!parse) {
00091 ast_log(LOG_ERROR, "Out of memory!\n");
00092 LOCAL_USER_REMOVE(u);
00093 return -1;
00094 }
00095 }
00096
00097 AST_STANDARD_APP_ARGS(args, parse);
00098
00099 if (args.options) {
00100 if (strchr(args.options, 'j'))
00101 priority_jump = 1;
00102 }
00103
00104 ast_mutex_lock(&chan->lock);
00105 if (!chan->tech->send_text) {
00106 ast_mutex_unlock(&chan->lock);
00107
00108 if (priority_jump || option_priority_jumping)
00109 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
00110 LOCAL_USER_REMOVE(u);
00111 return 0;
00112 }
00113 status = "FAILURE";
00114 ast_mutex_unlock(&chan->lock);
00115 res = ast_sendtext(chan, args.text);
00116 if (!res)
00117 status = "SUCCESS";
00118 pbx_builtin_setvar_helper(chan, "SENDTEXTSTATUS", status);
00119 LOCAL_USER_REMOVE(u);
00120 return 0;
00121 }
00122
00123 int unload_module(void)
00124 {
00125 int res;
00126
00127 res = ast_unregister_application(app);
00128
00129 STANDARD_HANGUP_LOCALUSERS;
00130
00131 return res;
00132 }
00133
00134 int load_module(void)
00135 {
00136 return ast_register_application(app, sendtext_exec, synopsis, descrip);
00137 }
00138
00139 char *description(void)
00140 {
00141 return (char *) tdesc;
00142 }
00143
00144 int usecount(void)
00145 {
00146 int res;
00147
00148 STANDARD_USECOUNT(res);
00149
00150 return res;
00151 }
00152
00153 char *key()
00154 {
00155 return ASTERISK_GPL_KEY;
00156 }