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(closes issue #13465)

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(closes issue #13425)
Reported by: mdu113
Patches:
      bug13425.diff uploaded by jpeeler (license 325)
Tested by: mdu113

The main change here was to masquerade the channel if the channel that was to be parked was running a PBX on it. The PBX thread can then maintain full control of the channel (the zombie) as it expects to while allowing the parking thread full control of the real (parked) channel.



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@143204 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jeff Peeler
2008-09-16 16:14:25 +00:00
parent 84b197673b
commit a3289918e3
1 changed files with 48 additions and 22 deletions
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70
res/res_features.c
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@@ -146,6 +146,7 @@ struct parkeduser {
int priority;
int parkingtime; /*!< Maximum length in parking lot before return */
int notquiteyet;
int added_exten; /*!< Flag marking if extension has been added to parking context */
char peername[1024];
unsigned char moh_trys;
struct parkeduser *next;
@@ -414,6 +415,7 @@ static int park_call_full(struct ast_channel *chan, struct ast_channel *peer, in
ast_copy_string(pu->exten, S_OR(chan->macroexten, chan->exten), sizeof(pu->exten));
pu->priority = chan->macropriority ? chan->macropriority : chan->priority;
pu->next = parkinglot;
pu->added_exten = 0;
parkinglot = pu;
/* If parking a channel directly, don't quiet yet get parking running on it */
@@ -448,16 +450,19 @@ static int park_call_full(struct ast_channel *chan, struct ast_channel *peer, in
con = ast_context_create(NULL, parking_con, registrar);
if (!con) /* Still no context? Bad */
ast_log(LOG_ERROR, "Parking context '%s' does not exist and unable to create\n", parking_con);
/* Tell the peer channel the number of the parking space */
if (peer && (ast_strlen_zero(orig_chan_name) || !strcasecmp(peer->name, orig_chan_name))) { /* Only say number if it's a number and the channel hasn't been masqueraded away */
/* Only say number if it's a number and the channel hasn't been masqueraded away */
if (peer && (ast_strlen_zero(orig_chan_name) || !strcasecmp(peer->name, orig_chan_name))) {
/* Make sure we don't start saying digits to the channel being parked */
ast_set_flag(peer, AST_FLAG_MASQ_NOSTREAM);
/* Tell the peer channel the number of the parking space */
ast_say_digits(peer, pu->parkingnum, "", peer->language);
ast_clear_flag(peer, AST_FLAG_MASQ_NOSTREAM);
}
if (con) {
if (!ast_add_extension2(con, 1, pu->parkingexten, 1, NULL, NULL, parkedcall, strdup(pu->parkingexten), ast_free, registrar))
if (!ast_add_extension2(con, 1, pu->parkingexten, 1, NULL, NULL, parkedcall, strdup(pu->parkingexten), ast_free, registrar)) {
notify_metermaids(pu->parkingexten, parking_con);
pu->added_exten = 1;
}
}
if (pu->notquiteyet) {
/* Wake up parking thread if we're really done */
@@ -478,7 +483,7 @@ int ast_park_call(struct ast_channel *chan, struct ast_channel *peer, int timeou
return park_call_full(chan, peer, timeout, extout, NULL);
}
int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, int timeout, int *extout)
static int masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, int timeout, int *extout, int play_announcement)
{
struct ast_channel *chan;
struct ast_frame *f;
@@ -500,11 +505,13 @@ int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, int
set_c_e_p(chan, rchan->context, rchan->exten, rchan->priority);
/* Make the masq execute */
f = ast_read(chan);
if (f)
if ((f = ast_read(chan))) {
ast_frfree(f);
}
orig_chan_name = ast_strdupa(chan->name);
if (!play_announcement) {
orig_chan_name = ast_strdupa(chan->name);
}
park_status = park_call_full(chan, peer, timeout, extout, orig_chan_name);
if (park_status == 1) {
@@ -516,6 +523,15 @@ int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, int
return 0;
}
int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *peer, int timeout, int *extout)
{
return masq_park_call(rchan, peer, timeout, extout, 0);
}
static int masq_park_call_announce(struct ast_channel *rchan, struct ast_channel *peer, int timeout, int *extout)
{
return masq_park_call(rchan, peer, timeout, extout, 1);
}
#define FEATURE_RETURN_HANGUP -1
#define FEATURE_RETURN_SUCCESSBREAK 0
@@ -563,17 +579,25 @@ static int builtin_parkcall(struct ast_channel *chan, struct ast_channel *peer,
res = ast_answer(chan);
if (!res)
res = ast_safe_sleep(chan, 1000);
if (!res)
res = ast_park_call(parkee, parker, 0, NULL);
ast_module_user_remove(u);
if (!res) {
if (sense == FEATURE_SENSE_CHAN)
res = AST_PBX_NO_HANGUP_PEER;
else
res = AST_PBX_KEEPALIVE;
if (sense == FEATURE_SENSE_CHAN) {
res = ast_park_call(parkee, parker, 0, NULL);
if (!res) {
if (sense == FEATURE_SENSE_CHAN) {
res = AST_PBX_NO_HANGUP_PEER;
} else {
res = AST_PBX_KEEPALIVE;
}
}
}
else if (sense == FEATURE_SENSE_PEER) {
masq_park_call_announce(parkee, parker, 0, NULL);
res = 0; /* PBX should hangup zombie channel */
}
}
ast_module_user_remove(u);
return res;
}
@@ -1921,13 +1945,15 @@ static void *do_parking_thread(void *ignore)
pt = pu;
pu = pu->next;
con = ast_context_find(parking_con);
if (con) {
if (ast_context_remove_extension2(con, pt->parkingexten, 1, NULL))
ast_log(LOG_WARNING, "Whoa, failed to remove the extension!\n");
else
notify_metermaids(pt->parkingexten, parking_con);
} else
ast_log(LOG_WARNING, "Whoa, no parking context?\n");
if (pt->added_exten == 1) {
if (con) {
if (ast_context_remove_extension2(con, pt->parkingexten, 1, NULL))
ast_log(LOG_WARNING, "Whoa, failed to remove the extension!\n");
else
notify_metermaids(pt->parkingexten, parking_con);
} else
ast_log(LOG_WARNING, "Whoa, no parking context?\n");
}
free(pt);
break;
} else {