From 7bd56615b28d2f6ef795d23ba08801ca713583b9 Mon Sep 17 00:00:00 2001
From: Erin Spiceland <erin@thespicelands.com>
Date: Mon, 22 Nov 2010 18:43:31 +0000
Subject: Revert to the previous behavior of AGI command WAIT FOR DIGIT, since
 the behavior of the command with this patch is almost exactly like that of
 GET DATA.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@295789 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 res/res_agi.c | 89 ++++-------------------------------------------------------
 1 file changed, 5 insertions(+), 84 deletions(-)

(limited to 'res/res_agi.c')

diff --git a/res/res_agi.c b/res/res_agi.c
index 7fe43f9a5..f7bc8d9cf 100644
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -688,21 +688,13 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 		</synopsis>
 		<syntax>
 			<parameter name="timeout" required="true" />
-			<parameter name="voicefile" required="false" />
-			<parameter name="escape_chars" required="false" />
-			<parameter name="maxdigits" required="false" />
-			<parameter name="previously_die_on_chars" required="false" />
 		</syntax>
 		<description>
 			<para>Waits up to <replaceable>timeout</replaceable> milliseconds for channel to
 			receive a DTMF digit. Returns <literal>-1</literal> on channel failure, <literal>0</literal>
 			if no digit is received in the timeout, or the numerical value of the ascii of the digit if
 			one is received. Use <literal>-1</literal> for the <replaceable>timeout</replaceable> value if
-			you desire the call to block indefinitely.
-
-			If 'voicefile' is specified it is played as long 'previously die chars' (default '#') are
-			not typed in or as long as any of 'escape chars' (default '1234567890*#ABCD') is pressed a
-			'maxdigit' (default 1) times .</para>
+			you desire the call to block indefinitely.</para>
 		</description>
 	</agi>
 	<agi name="speech create" language="en_US">
@@ -1686,85 +1678,14 @@ static int handle_asyncagi_break(struct ast_channel *chan, AGI *agi, int argc, c
 
 static int handle_waitfordigit(struct ast_channel *chan, AGI *agi, int argc, const char * const argv[])
 {
-	int res;
-	int to;
-	char *valid_dtmf_digits = AST_DIGIT_ANY;
-	char *previously_die_on = "#";
-	char *digits = NULL;
-	char *escape_digits = NULL;
-	char *voicefile = NULL;
-	int maxdigits = 1;
+	int res, to;
 
-	if (argc < 4)
+	if (argc != 4)
 		return RESULT_SHOWUSAGE;
 	if (sscanf(argv[3], "%30d", &to) != 1)
 		return RESULT_SHOWUSAGE;
-
-	/* Answer the chan */
-	if (chan->_state != AST_STATE_UP)
-		res = ast_answer(chan);
-
-	/* soundfile specified */
-	if (argc >= 5) {
-
-		/* escape characters defined */
-		if (argc >= 6)
-			valid_dtmf_digits = (char *) argv[5];
-
-		/* maxdigits */
-		if (argc >= 7 && (sscanf(argv[6], "%d", &maxdigits) != 1))
-			return RESULT_SHOWUSAGE;
-
-		/* escape before escape chars on */
-		if (argc >= 8)
-			previously_die_on = (char *) argv[7];
-
-		voicefile = (char *) argv[4];
-		res = ast_streamfile(chan, voicefile, chan->language);
-		if (res < 0)
-			return RESULT_FAILURE;
-
-		/* allocate space for the digits (2 chars per digit + \0 - <digit>|<digit>|...) */
-		digits = (char *)ast_malloc(maxdigits * 2 + 1);
-		ast_copy_string(digits, "", 1);
-
-		/* catenate the escape digits together with previously die digits */
-		escape_digits = (char *)ast_malloc(strlen(valid_dtmf_digits) + strlen(previously_die_on)+ 1);
-		ast_copy_string(escape_digits, valid_dtmf_digits, sizeof(valid_dtmf_digits));
-		strcat(escape_digits, previously_die_on);
-
-		if (chan->stream) {
-			int dtmf_count = 0;
-			do {
-				char buf[3];
-				res = ast_waitstream_full(chan, escape_digits, agi->audio, agi->ctrl);
-				if (res > 0) {
-					if (strchr(previously_die_on, res) != NULL) {
-						/* previously die character found - end loop */
-						ast_log(LOG_DEBUG, "prev die digit %c pressed\n", res);
-						break;
-					} else {
-						/* chars in valid_dtmf_digits found */
-						ast_log(LOG_DEBUG, "dtmf turn=%d of %d | res=%d\n", dtmf_count, maxdigits, res);
-						sprintf(buf, "%c", res);
-						strcat(digits, buf);
-						dtmf_count++;
-					}
-				}
-			} while ( strchr(previously_die_on, res) == NULL && dtmf_count < maxdigits && chan->stream);
-			ast_stopstream(chan);
-			ast_agi_send(agi->fd, chan, "200 result=%s\n", digits);
-		} else {
-			res = ast_waitfordigit_full(chan, to, agi->audio, agi->ctrl);
-			ast_agi_send(agi->fd, chan, "200 result=%c\n", res);
-		}
-	} else {
-		res = ast_waitfordigit_full(chan, to, agi->audio, agi->ctrl);
-		ast_agi_send(agi->fd, chan, "200 result=%c\n", res);
-	}
-
-	ast_free(escape_digits);
-	ast_free(digits);
+	res = ast_waitfordigit_full(chan, to, agi->audio, agi->ctrl);
+	ast_agi_send(agi->fd, chan, "200 result=%d\n", res);
 	return (res >= 0) ? RESULT_SUCCESS : RESULT_FAILURE;
 }
 
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