diff options
| author | Corey Farrell <git@cfware.com> | 2017-07-12 14:24:36 -0400 |
|---|---|---|
| committer | Corey Farrell <git@cfware.com> | 2017-07-12 19:08:23 -0400 |
| commit | 6b138046e7db59e975fc06ee3aea54fe0c143f5d (patch) | |
| tree | 5d1297d795a8640b0b1f15b52652131688541197 /main/channel.c | |
| parent | 27aeca3594ae6618ffcafc8fe764fb0c9507ec14 (diff) | |
core: Add digit filtering to ast_waitfordigit_full
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
Diffstat (limited to 'main/channel.c')
| -rw-r--r-- | main/channel.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/main/channel.c b/main/channel.c index 811826f1c..27efb2ee3 100644 --- a/main/channel.c +++ b/main/channel.c @@ -3160,7 +3160,7 @@ int ast_waitfor(struct ast_channel *c, int ms) int ast_waitfordigit(struct ast_channel *c, int ms) { - return ast_waitfordigit_full(c, ms, -1, -1); + return ast_waitfordigit_full(c, ms, NULL, -1, -1); } int ast_settimeout(struct ast_channel *c, unsigned int rate, int (*func)(const void *data), void *data) @@ -3222,7 +3222,7 @@ int ast_settimeout_full(struct ast_channel *c, unsigned int rate, int (*func)(co return res; } -int ast_waitfordigit_full(struct ast_channel *c, int timeout_ms, int audiofd, int cmdfd) +int ast_waitfordigit_full(struct ast_channel *c, int timeout_ms, const char *breakon, int audiofd, int cmdfd) { struct timeval start = ast_tvnow(); int ms; @@ -3273,9 +3273,12 @@ int ast_waitfordigit_full(struct ast_channel *c, int timeout_ms, int audiofd, in break; case AST_FRAME_DTMF_END: res = f->subclass.integer; - ast_frfree(f); - ast_channel_clear_flag(c, AST_FLAG_END_DTMF_ONLY); - return res; + if (!breakon || strchr(breakon, res)) { + ast_frfree(f); + ast_channel_clear_flag(c, AST_FLAG_END_DTMF_ONLY); + return res; + } + break; case AST_FRAME_CONTROL: switch (f->subclass.integer) { case AST_CONTROL_HANGUP: @@ -6351,11 +6354,11 @@ int ast_readstring_full(struct ast_channel *c, char *s, int len, int timeout, in silgen = ast_channel_start_silence_generator(c); usleep(1000); if (!d) - d = ast_waitfordigit_full(c, to, audiofd, ctrlfd); + d = ast_waitfordigit_full(c, to, NULL, audiofd, ctrlfd); } else { if (!silgen && ast_opt_transmit_silence) silgen = ast_channel_start_silence_generator(c); - d = ast_waitfordigit_full(c, to, audiofd, ctrlfd); + d = ast_waitfordigit_full(c, to, NULL, audiofd, ctrlfd); } if (d < 0) { ast_channel_stop_silence_generator(c, silgen); |