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Fix AMI action Park crash.

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* Made AMI action Park not say anything to the parker channel (AMI header
Channel2) since the AMI action is a third party parking the call.  (This
is a change in behavior that cannot be preserved without a lot of effort.)

* Made not play pbx-parkingfailed if the Park 's' option is used.

JIRA AST-660


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@334840 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2011-09-07 19:31:44 +00:00
parent 687e413fd8
commit c6e7f17a68
1 changed files with 48 additions and 16 deletions
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64
main/features.c
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@@ -341,7 +341,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
<para>Channel name to park.</para>
</parameter>
<parameter name="Channel2" required="true">
<para>Channel to announce park info to (and return to if timeout).</para>
<para>Channel to return to if timeout.</para>
</parameter>
<parameter name="Timeout">
<para>Number of milliseconds to wait before callback.</para>
@@ -1549,12 +1549,14 @@ static int masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, i
rchan->context, rchan->linkedid, rchan->amaflags, "Parked/%s", rchan->name);
if (!chan) {
ast_log(LOG_WARNING, "Unable to create parked channel\n");
if (peer == rchan) {
/* Only have one channel to worry about. */
ast_stream_and_wait(peer, "pbx-parkingfailed", "");
} else if (peer) {
/* Have two different channels to worry about. */
play_message_on_chan(peer, rchan, "failure message", "pbx-parkingfailed");
if (!ast_test_flag(args, AST_PARK_OPT_SILENCE)) {
if (peer == rchan) {
/* Only have one channel to worry about. */
ast_stream_and_wait(peer, "pbx-parkingfailed", "");
} else if (peer) {
/* Have two different channels to worry about. */
play_message_on_chan(peer, rchan, "failure message", "pbx-parkingfailed");
}
}
return -1;
}
@@ -1563,12 +1565,14 @@ static int masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, i
if (!args->pu) {
chan->hangupcause = AST_CAUSE_SWITCH_CONGESTION;
ast_hangup(chan);
if (peer == rchan) {
/* Only have one channel to worry about. */
ast_stream_and_wait(peer, "pbx-parkingfailed", "");
} else if (peer) {
/* Have two different channels to worry about. */
play_message_on_chan(peer, rchan, "failure message", "pbx-parkingfailed");
if (!ast_test_flag(args, AST_PARK_OPT_SILENCE)) {
if (peer == rchan) {
/* Only have one channel to worry about. */
ast_stream_and_wait(peer, "pbx-parkingfailed", "");
} else if (peer) {
/* Have two different channels to worry about. */
play_message_on_chan(peer, rchan, "failure message", "pbx-parkingfailed");
}
}
return -1;
}
@@ -1688,7 +1692,9 @@ static int xfer_park_call_helper(struct ast_channel *park_me, struct ast_channel
parkinglot_unref(args.parkinglot);
} else {
/* Parking failed because parking lot does not exist. */
ast_stream_and_wait(parker, "pbx-parkingfailed", "");
if (!ast_test_flag(&args, AST_PARK_OPT_SILENCE)) {
ast_stream_and_wait(parker, "pbx-parkingfailed", "");
}
finishup(park_me);
res = -1;
}
@@ -4787,7 +4793,9 @@ static int park_call_exec(struct ast_channel *chan, const char *data)
parkinglot_unref(args.parkinglot);
} else {
/* Parking failed because the parking lot does not exist. */
ast_stream_and_wait(chan, "pbx-parkingfailed", "");
if (!ast_test_flag(&args, AST_PARK_OPT_SILENCE)) {
ast_stream_and_wait(chan, "pbx-parkingfailed", "");
}
res = -1;
}
if (res) {
@@ -6850,6 +6858,9 @@ static int manager_parking_status(struct mansession *s, const struct message *m)
*
* Get channels involved in park, create event.
* \return Always 0
*
* \note ADSI is not compatible with this AMI action for the
* same reason ch2 can no longer announce the parking space.
*/
static int manager_park(struct mansession *s, const struct message *m)
{
@@ -6860,7 +6871,28 @@ static int manager_park(struct mansession *s, const struct message *m)
char buf[BUFSIZ];
int res = 0;
struct ast_channel *ch1, *ch2;
struct ast_park_call_args args = {0,};
struct ast_park_call_args args = {
/*
* Don't say anything to ch2 since AMI is a third party parking
* a call and we will likely crash if we do.
*
* XXX When the AMI action was originally implemented, the
* parking space was announced to ch2. Unfortunately, grabbing
* the ch2 lock and holding it while the announcement is played
* was not really a good thing to do to begin with since it
* could hold up the system. Also holding the lock is no longer
* possible with a masquerade.
*
* Restoring the announcement to ch2 is not easily doable for
* the following reasons:
*
* 1) The AMI manager is not the thread processing ch2.
*
* 2) ch2 could be the same as ch1, bridged to ch1, or some
* random uninvolved channel.
*/
.flags = AST_PARK_OPT_SILENCE,
};
if (ast_strlen_zero(channel)) {
astman_send_error(s, m, "Channel not specified");