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core: Add digit filtering to ast_waitfordigit_full

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This adds a parameter to ast_waitfordigit_full which can be used to only
stop waiting when certain expected digits are received.  Any unexpected
DTMF digits are simply ignored.

This also creates a new dialplan application WaitDigit.

ASTERISK-27129 #close

Change-Id: Id233935ea3d13e71c75a0861834c5936c3700ef9
This commit is contained in:
Corey Farrell
2017-07-12 14:24:36 -04:00
parent 27aeca3594
commit 6b138046e7
4 changed files with 92 additions and 10 deletions
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4
res/res_agi.c
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@@ -2393,7 +2393,7 @@ static int handle_waitfordigit(struct ast_channel *chan, AGI *agi, int argc, con
return RESULT_SHOWUSAGE;
if (sscanf(argv[3], "%30d", &to) != 1)
return RESULT_SHOWUSAGE;
res = ast_waitfordigit_full(chan, to, agi->audio, agi->ctrl);
res = ast_waitfordigit_full(chan, to, NULL, agi->audio, agi->ctrl);
ast_agi_send(agi->fd, chan, "200 result=%d\n", res);
return (res >= 0) ? RESULT_SUCCESS : RESULT_FAILURE;
}
@@ -2673,7 +2673,7 @@ static int handle_getoption(struct ast_channel *chan, AGI *agi, int argc, const
/* If the user didnt press a key, wait for digitTimeout*/
if (res == 0 ) {
res = ast_waitfordigit_full(chan, timeout, agi->audio, agi->ctrl);
res = ast_waitfordigit_full(chan, timeout, NULL, agi->audio, agi->ctrl);
/* Make sure the new result is in the escape digits of the GET OPTION */
if ( !strchr(edigits,res) )
res=0;