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Merged revisions 318671 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r318671 | alecdavis | 2011-05-13 10:52:08 +1200 (Fri, 13 May 2011) | 30 lines
  
  Fix directed group pickup feature code *8 with pickupsounds enabled 
  
  Since 1.6.2, the new pickupsound and pickupfailsound in features.conf cause many issues.
  
  1). chan_sip:handle_request_invite() shouldn't be playing out the fail/success audio, as it has 'netlock' locked.
  2). dialplan applications for directed_pickups shouldn't beep.
  3). feature code for directed pickup should beep on success/failure if configured.
  
  Created a sip_pickup() thread to handle the pickup and playout the audio, spawned from handle_request_invite.
  
  Moved app_directed:pickup_do() to features:ast_do_pickup().
  
  Functions below, all now use the new ast_do_pickup()
  app_directed_pickup.c:
     pickup_by_channel()
     pickup_by_exten()
     pickup_by_mark()
     pickup_by_part()
  features.c:
     ast_pickup_call()
  
  (closes issue #18654)
  Reported by: Docent
  Patches: 
        ast_do_pickup_1.8_trunk.diff.txt uploaded by alecdavis (license 585)
  Tested by: lmadsen, francesco_r, amilcar, isis242, alecdavis, irroot, rymkus, loloski, rmudgett
  
  Review: https://reviewboard.asterisk.org/r/1185/
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@318672 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Alec L Davis
2011-05-12 22:56:43 +00:00
parent c37c017781
commit 892b7a2efd
4 changed files with 205 additions and 111 deletions
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114
main/features.c
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@@ -5726,15 +5726,17 @@ static int find_channel_by_group(void *obj, void *arg, void *data, int flags)
{
struct ast_channel *c = data;
struct ast_channel *chan = obj;
int i;
int i = !chan->pbx &&
i = !chan->pbx &&
/* Accessing 'chan' here is safe without locking, because there is no way for
the channel do disappear from under us at this point. pickupgroup *could*
the channel to disappear from under us at this point. pickupgroup *could*
change while we're here, but that isn't a problem. */
(c != chan) &&
(chan->pickupgroup & c->callgroup) &&
(c->pickupgroup & chan->callgroup) &&
((chan->_state == AST_STATE_RINGING) || (chan->_state == AST_STATE_RING)) &&
!c->masq;
!chan->masq &&
!ast_test_flag(chan, AST_FLAG_ZOMBIE);
return i ? CMP_MATCH | CMP_STOP : 0;
}
@@ -5746,68 +5748,106 @@ static int find_channel_by_group(void *obj, void *arg, void *data, int flags)
* Walk list of channels, checking it is not itself, channel is pbx one,
* check that the callgroup for both channels are the same and the channel is ringing.
* Answer calling channel, flag channel as answered on queue, masq channels together.
*/
*/
int ast_pickup_call(struct ast_channel *chan)
{
struct ast_channel *cur, *chans[2] = { chan, };
struct ast_party_connected_line connected_caller;
int res;
const char *chan_name;
const char *cur_name;
struct ast_channel *target;
int res = -1;
ast_debug(1, "pickup attempt by %s\n", chan->name);
if (!(cur = ast_channel_callback(find_channel_by_group, NULL, chan, 0))) {
ast_debug(1, "No call pickup possible...\n");
if (!ast_strlen_zero(pickupfailsound)) {
ast_stream_and_wait(chan, pickupfailsound, "");
/* If 2 callers try to pickup the same call, allow 1 to win, and other to fail early.*/
if ((target = ast_channel_callback(find_channel_by_group, NULL, chan, 0))) {
ast_channel_lock(target);
/* We now have the target locked, but is the target still available to pickup */
if (!target->masq && !ast_test_flag(target, AST_FLAG_ZOMBIE) &&
((target->_state == AST_STATE_RINGING) || (target->_state == AST_STATE_RING))) {
ast_log(LOG_NOTICE, "pickup %s attempt by %s\n", target->name, chan->name);
/* A 2nd pickup attempt will bail out when we unlock the target */
if (!(res = ast_do_pickup(chan, target))) {
ast_channel_unlock(target);
if (!(res = ast_do_masquerade(target))) {
if (!ast_strlen_zero(pickupsound)) {
ast_channel_lock(target);
ast_stream_and_wait(target, pickupsound, "");
ast_channel_unlock(target);
}
} else {
ast_log(LOG_WARNING, "Failed to perform masquerade\n");
}
} else {
ast_log(LOG_WARNING, "pickup %s failed by %s\n", target->name, chan->name);
ast_channel_unlock(target);
}
} else {
ast_channel_unlock(target);
}
return -1;
target = ast_channel_unref(target);
}
chans[1] = cur;
if (res < 0) {
ast_debug(1, "No call pickup possible... for %s\n", chan->name);
if (!ast_strlen_zero(pickupfailsound)) {
ast_answer(chan);
ast_stream_and_wait(chan, pickupfailsound, "");
}
}
ast_channel_lock_both(cur, chan);
return res;
}
cur_name = ast_strdupa(cur->name);
chan_name = ast_strdupa(chan->name);
/*!
* \brief Pickup a call target, Common Code.
* \param chan channel that initiated pickup.
* \param target channel.
*
* Answer calling channel, flag channel as answered on queue, masq channels together.
*/
int ast_do_pickup(struct ast_channel *chan, struct ast_channel *target)
{
struct ast_party_connected_line connected_caller;
struct ast_channel *chans[2] = { chan, target };
ast_debug(1, "Call pickup on chan '%s' by '%s'\n", cur_name, chan_name);
ast_debug(1, "Call pickup on '%s' by '%s'\n", target->name, chan->name);
ast_cel_report_event(target, AST_CEL_PICKUP, NULL, NULL, chan);
connected_caller = cur->connected;
ast_party_connected_line_init(&connected_caller);
ast_party_connected_line_copy(&connected_caller, &target->connected);
connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;
if (ast_channel_connected_line_macro(NULL, chan, &connected_caller, 0, 0)) {
ast_channel_update_connected_line(chan, &connected_caller, NULL);
}
ast_party_connected_line_free(&connected_caller);
ast_party_connected_line_collect_caller(&connected_caller, &chan->caller);
ast_channel_lock(chan);
ast_connected_line_copy_from_caller(&connected_caller, &chan->caller);
ast_channel_unlock(chan);
connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;
ast_channel_queue_connected_line_update(chan, &connected_caller, NULL);
ast_channel_unlock(cur);
ast_channel_unlock(chan);
ast_party_connected_line_free(&connected_caller);
if (ast_answer(chan)) {
ast_log(LOG_WARNING, "Unable to answer '%s'\n", chan_name);
ast_log(LOG_WARNING, "Unable to answer '%s'\n", chan->name);
return -1;
}
if (ast_queue_control(chan, AST_CONTROL_ANSWER)) {
ast_log(LOG_WARNING, "Unable to queue answer on '%s'\n", chan_name);
ast_log(LOG_WARNING, "Unable to queue answer on '%s'\n", chan->name);
return -1;
}
if ((res = ast_channel_masquerade(cur, chan))) {
ast_log(LOG_WARNING, "Unable to masquerade '%s' into '%s'\n", chan_name, cur_name);
}
if (!ast_strlen_zero(pickupsound)) {
ast_stream_and_wait(cur, pickupsound, "");
if (ast_channel_masquerade(target, chan)) {
ast_log(LOG_WARNING, "Unable to masquerade '%s' into '%s'\n", chan->name, target->name);
return -1;
}
/* If you want UniqueIDs, set channelvars in manager.conf to CHANNEL(uniqueid) */
ast_manager_event_multichan(EVENT_FLAG_CALL, "Pickup", 2, chans,
"Channel: %s\r\nTargetChannel: %s\r\n", chan->name, cur->name);
"Channel: %s\r\nTargetChannel: %s\r\n", chan->name, target->name);
cur = ast_channel_unref(cur);
return res;
return 0;
}
static char *app_bridge = "Bridge";