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Merged revisions 285744 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.6.2

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  r285744 | qwell | 2010-09-09 15:09:23 -0500 (Thu, 09 Sep 2010) | 16 lines
  
  Merged revisions 285742 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r285742 | qwell | 2010-09-09 15:06:31 -0500 (Thu, 09 Sep 2010) | 9 lines
    
    Transmit silence when reading DTMF in ast_readstring.
    
    Otherwise, you could get issues with DTMF timeouts causing hangups.
    
    (closes issue #17370)
    Reported by: makoto
    Patches: 
          channel-readstring-silence-generator.patch uploaded by makoto (license 38)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@285745 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jason Parker
2010-09-09 20:11:06 +00:00
parent c8f5e73601
commit 85a04d3597
1 changed files with 13 additions and 1 deletions
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14
main/channel.c
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@@ -5368,6 +5368,8 @@ int ast_readstring_full(struct ast_channel *c, char *s, int len, int timeout, in
int pos = 0; /* index in the buffer where we accumulate digits */
int to = ftimeout;
struct ast_silence_generator *silgen = NULL;
/* Stop if we're a zombie or need a soft hangup */
if (ast_test_flag(c, AST_FLAG_ZOMBIE) || ast_check_hangup(c))
return -1;
@@ -5378,24 +5380,33 @@ int ast_readstring_full(struct ast_channel *c, char *s, int len, int timeout, in
if (c->stream) {
d = ast_waitstream_full(c, AST_DIGIT_ANY, audiofd, ctrlfd);
ast_stopstream(c);
if (!silgen && ast_opt_transmit_silence)
silgen = ast_channel_start_silence_generator(c);
usleep(1000);
if (!d)
d = ast_waitfordigit_full(c, to, audiofd, ctrlfd);
} else {
if (!silgen && ast_opt_transmit_silence)
silgen = ast_channel_start_silence_generator(c);
d = ast_waitfordigit_full(c, to, audiofd, ctrlfd);
}
if (d < 0)
if (d < 0) {
ast_channel_stop_silence_generator(c, silgen);
return AST_GETDATA_FAILED;
}
if (d == 0) {
s[pos] = '\0';
ast_channel_stop_silence_generator(c, silgen);
return AST_GETDATA_TIMEOUT;
}
if (d == 1) {
s[pos] = '\0';
ast_channel_stop_silence_generator(c, silgen);
return AST_GETDATA_INTERRUPTED;
}
if (strchr(enders, d) && (pos == 0)) {
s[pos] = '\0';
ast_channel_stop_silence_generator(c, silgen);
return AST_GETDATA_EMPTY_END_TERMINATED;
}
if (!strchr(enders, d)) {
@@ -5403,6 +5414,7 @@ int ast_readstring_full(struct ast_channel *c, char *s, int len, int timeout, in
}
if (strchr(enders, d) || (pos >= len)) {
s[pos] = '\0';
ast_channel_stop_silence_generator(c, silgen);
return AST_GETDATA_COMPLETE;
}
to = timeout;