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slightly more robust select() logic

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This commit is contained in:
Evan Prodromou 2009-07-09 12:33:38 -04:00
parent 03200235b1
commit eccab87044
1 changed files with 36 additions and 36 deletions
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72
lib/stompqueuemanager.php
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@ -108,57 +108,57 @@ class StompQueueManager
$handsocks = $handler->getSockets();
$this->_log(LOG_DEBUG, "Got ".count($handsocks)." sockets from handler.");
$this->_log(LOG_DEBUG, print_r($handsocks, true));
$socks = array_merge(array($stompsock), $handsocks);
$read = $socks;
$write = array();
$except = array();
$this->_log(LOG_DEBUG, "Starting select");
$ready = stream_select($read, $write, $except, $handler->timeout(), 0);
$this->_log(LOG_DEBUG, "Finished select with value '$ready'");
if (!$ready || $read[0] !== $stompsock) {
$handler->idle(QUEUE_HANDLER_MISS_IDLE);
} else {
$frame = $this->con->readFrame();
if (!empty($frame)) {
$notice = Notice::staticGet('id', $frame->body);
if (empty($notice)) {
$this->_log(LOG_WARNING, 'Got ID '. $frame->body .' for non-existent notice in queue '. $queue);
$this->con->ack($frame);
} else {
if ($handler->handle_notice($notice)) {
$this->_log(LOG_INFO, 'Successfully handled notice '. $notice->id .' posted at ' . $frame->headers['created'] . ' in queue '. $queue);
$this->con->ack($frame);
} else {
$this->_log(LOG_WARNING, 'Failed handling notice '. $notice->id .' posted at ' . $frame->headers['created'] . ' in queue '. $queue);
// FIXME we probably shouldn't have to do
// this kind of queue management ourselves
$this->con->ack($frame);
$this->enqueue($notice, $queue);
}
unset($notice);
}
unset($frame);
$handler->idle(QUEUE_HANDLER_HIT_IDLE);
} else {
$handler->idle(QUEUE_HANDLER_MISS_IDLE);
if ($ready === false) {
$this->_log(LOG_ERR, "Error selecting on sockets");
} else if ($ready > 0) {
if (in_array($stompsock, $read)) {
$this->_handleNotice($queue, $handler);
}
$handler->idle(QUEUE_HANDLER_HIT_IDLE);
} else { // timeout
$handler->idle(QUEUE_HANDLER_MISS_IDLE);
}
}
$this->con->unsubscribe($this->_queueName($queue));
}
function _handleNotice($queue, $handler)
{
$frame = $this->con->readFrame();
if (!empty($frame)) {
$notice = Notice::staticGet('id', $frame->body);
if (empty($notice)) {
$this->_log(LOG_WARNING, 'Got ID '. $frame->body .' for non-existent notice in queue '. $queue);
$this->con->ack($frame);
} else {
if ($handler->handle_notice($notice)) {
$this->_log(LOG_INFO, 'Successfully handled notice '. $notice->id .' posted at ' . $frame->headers['created'] . ' in queue '. $queue);
$this->con->ack($frame);
} else {
$this->_log(LOG_WARNING, 'Failed handling notice '. $notice->id .' posted at ' . $frame->headers['created'] . ' in queue '. $queue);
// FIXME we probably shouldn't have to do
// this kind of queue management ourselves
$this->con->ack($frame);
$this->enqueue($notice, $queue);
}
unset($notice);
}
unset($frame);
}
}
function _queueName($queue)
{
return common_config('queue', 'queue_basename') . $queue;