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00028 #include "asterisk.h"
00029
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 184080 $")
00031
00032 #include "asterisk/pbx.h"
00033 #include "asterisk/module.h"
00034 #include "asterisk/app.h"
00035 #include "asterisk/manager.h"
00036 #include "asterisk/channel.h"
00037
00038 static char *app = "SendDTMF";
00039
00040 static char *synopsis = "Sends arbitrary DTMF digits";
00041
00042 static char *descrip =
00043 " SendDTMF(digits[,[timeout_ms][,duration_ms]]): Sends DTMF digits on a channel. \n"
00044 " Accepted digits: 0-9, *#abcd, (default .25s pause between digits)\n"
00045 " The application will either pass the assigned digits or terminate if it\n"
00046 " encounters an error.\n"
00047 " Optional Params: \n"
00048 " timeout_ms: pause between digits.\n"
00049 " duration_ms: duration of each digit.\n";
00050
00051 static int senddtmf_exec(struct ast_channel *chan, void *vdata)
00052 {
00053 int res = 0;
00054 char *data;
00055 int timeout = 0, duration = 0;
00056 AST_DECLARE_APP_ARGS(args,
00057 AST_APP_ARG(digits);
00058 AST_APP_ARG(timeout);
00059 AST_APP_ARG(duration);
00060 );
00061
00062 if (ast_strlen_zero(vdata)) {
00063 ast_log(LOG_WARNING, "SendDTMF requires an argument (digits or *#aAbBcCdD)\n");
00064 return 0;
00065 }
00066
00067 data = ast_strdupa(vdata);
00068 AST_STANDARD_APP_ARGS(args, data);
00069
00070 if (!ast_strlen_zero(args.timeout))
00071 timeout = atoi(args.timeout);
00072 if (!ast_strlen_zero(args.duration))
00073 duration = atoi(args.duration);
00074 res = ast_dtmf_stream(chan, NULL, args.digits, timeout <= 0 ? 250 : timeout, duration);
00075
00076 return res;
00077 }
00078
00079 static char mandescr_playdtmf[] =
00080 "Description: Plays a dtmf digit on the specified channel.\n"
00081 "Variables: (all are required)\n"
00082 " Channel: Channel name to send digit to\n"
00083 " Digit: The dtmf digit to play\n";
00084
00085 static int manager_play_dtmf(struct mansession *s, const struct message *m)
00086 {
00087 const char *channel = astman_get_header(m, "Channel");
00088 const char *digit = astman_get_header(m, "Digit");
00089 struct ast_channel *chan = ast_get_channel_by_name_locked(channel);
00090
00091 if (!chan) {
00092 astman_send_error(s, m, "Channel not specified");
00093 return 0;
00094 }
00095 if (ast_strlen_zero(digit)) {
00096 astman_send_error(s, m, "No digit specified");
00097 ast_channel_unlock(chan);
00098 return 0;
00099 }
00100
00101 ast_senddigit(chan, *digit, 0);
00102
00103 ast_channel_unlock(chan);
00104 astman_send_ack(s, m, "DTMF successfully queued");
00105
00106 return 0;
00107 }
00108
00109 static int unload_module(void)
00110 {
00111 int res;
00112
00113 res = ast_unregister_application(app);
00114 res |= ast_manager_unregister("PlayDTMF");
00115
00116 return res;
00117 }
00118
00119 static int load_module(void)
00120 {
00121 int res;
00122
00123 res = ast_manager_register2( "PlayDTMF", EVENT_FLAG_CALL, manager_play_dtmf, "Play DTMF signal on a specific channel.", mandescr_playdtmf );
00124 res |= ast_register_application(app, senddtmf_exec, synopsis, descrip);
00125
00126 return res;
00127 }
00128
00129 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Send DTMF digits Application");