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main/bridge_basic: Fix features regressions introduced by r428165

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In r428165, two bugs were introduced:

* Prior to entering the features retry loop, the buffer that holds the
  collected digits is wiped. However, this inadvertently wipes out the
  first collected digit on the first pass through, which is obtained
  in ast_stream_and_wait. This caused all of the features tests to fail.
* If ast_app_dtget returns a hangup (-1), the loop would retry incorrectly.
  If we detect a hangup, we have to stop trying the feature.

This patch fixes both issues.

Review: https://reviewboard.asterisk.org/r/4196/
........

Merged revisions 428505 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@428506 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Jordan
2014-11-21 02:17:15 +00:00
parent 2f78fde10f
commit 2be984fb11
1 changed files with 11 additions and 10 deletions
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21
main/bridge_basic.c
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@@ -3012,12 +3012,18 @@ static int grab_transfer(struct ast_channel *chan, char *exten, size_t exten_len
/* Drop to dialtone so they can enter the extension they want to transfer to */
do {
++attempts;
memset(exten, 0, exten_len);
ast_test_suite_event_notify("TRANSFER_BEGIN_DIAL",
"Channel: %s\r\n"
"Attempt: %d",
ast_channel_name(chan), attempts);
res = ast_app_dtget(chan, context, exten, exten_len, exten_len - 1, digit_timeout);
ast_test_suite_event_notify("TRANSFER_DIALLED",
"Channel: %s\r\n"
"Attempt: %d\r\n"
"Dialled: %s\r\n"
"Result: %s",
ast_channel_name(chan), attempts, exten, res > 0 ? "Success" : "Failure");
if (res < 0) {
/* Hangup or error */
res = -1;
@@ -3034,25 +3040,20 @@ static int grab_transfer(struct ast_channel *chan, char *exten, size_t exten_len
} else {
ast_stream_and_wait(chan, invalid_sound, AST_DIGIT_NONE);
}
res = -1;
memset(exten, 0, exten_len);
res = 1;
} else {
/* Dialed extension is valid. */
res = 0;
}
ast_test_suite_event_notify("TRANSFER_DIALLED",
"Channel: %s\r\n"
"Attempt: %d\r\n"
"Dialled: %s\r\n"
"Result: %s",
ast_channel_name(chan), attempts, exten, res == 0 ? "Success" : "Failure");
} while (res < 0 && attempts < max_attempts);
} while (res > 0 && attempts < max_attempts);
ast_test_suite_event_notify("TRANSFER_DIAL_FINAL",
"Channel: %s\r\n"
"Result: %s",
ast_channel_name(chan), res == 0 ? "Success" : "Failure");
return res;
return res ? -1 : 0;
}
static void copy_caller_data(struct ast_channel *dest, struct ast_channel *caller)