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update 

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@436 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Anthony Minessale 2008-04-02 17:49:18 +00:00
parent 83459e33f8
commit 7f8ee9981a
1 changed files with 25 additions and 22 deletions
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47
libs/openzap/src/zap_io.c
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@ -717,21 +717,17 @@ zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, c
zap_span_t *span;
uint32_t span_max;
zap_mutex_lock(globals.mutex);
if (globals.spans[span_id].active_count >= globals.spans[span_id].chan_count) {
zap_log(ZAP_LOG_CRIT, "All circuits are busy.\n");
*zchan = NULL;
goto done;
}
if (span_id && globals.spans[span_id].channel_request) {
zap_mutex_unlock(globals.mutex);
status = globals.spans[span_id].channel_request(&globals.spans[span_id], direction, caller_data, zchan);
goto done;
}
if (span_id) {
if (globals.spans[span_id].active_count >= globals.spans[span_id].chan_count) {
zap_log(ZAP_LOG_CRIT, "All circuits are busy.\n");
*zchan = NULL;
return ZAP_FAIL;
}
if (globals.spans[span_id].channel_request) {
return globals.spans[span_id].channel_request(&globals.spans[span_id], direction, caller_data, zchan);
}
span_max = span_id;
j = span_id;
} else {
@ -742,19 +738,21 @@ zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, c
j = span_max;
}
}
for(;;) {
if (direction == ZAP_TOP_DOWN) {
if (j > span_max) {
break;
goto done;
}
} else {
if (j == 0) {
break;
goto done;
}
}
span = &globals.spans[j];
zap_mutex_lock(span->mutex);
if (!zap_test_flag(span, ZAP_SPAN_CONFIGURED)) {
goto next_loop;
}
@ -766,7 +764,7 @@ zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, c
}
for(;;) {
if (direction == ZAP_TOP_DOWN) {
if (i > span->chan_count) {
break;
@ -779,7 +777,11 @@ zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, c
check = &span->channels[i];
if (zap_test_flag(check, ZAP_CHANNEL_READY) && !zap_test_flag(check, ZAP_CHANNEL_INUSE) && !zap_test_flag(check, ZAP_CHANNEL_SUSPENDED)) {
if (zap_test_flag(check, ZAP_CHANNEL_READY) &&
!zap_test_flag(check, ZAP_CHANNEL_INUSE) &&
!zap_test_flag(check, ZAP_CHANNEL_SUSPENDED) &&
check->state == ZAP_CHANNEL_STATE_DOWN
) {
status = check->zio->open(check);
@ -787,6 +789,7 @@ zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, c
zap_set_flag(check, ZAP_CHANNEL_INUSE);
zap_channel_open_chan(check);
*zchan = check;
zap_mutex_unlock(span->mutex);
goto done;
}
}
@ -796,11 +799,12 @@ zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, c
} else {
i--;
}
}
next_loop:
zap_mutex_unlock(span->mutex);
if (direction == ZAP_TOP_DOWN) {
j++;
} else {
@ -809,7 +813,6 @@ zap_status_t zap_channel_open_any(uint32_t span_id, zap_direction_t direction, c
}
done:
zap_mutex_unlock(globals.mutex);
return status;
}