/**
* we will only loop until we see that the position number we are currently
* looping with is the same as the position number with which we started.
* if the two position values are equal then that means we have cycled on the
* whole node list and we should not continue. with each iteration we log an error
* before moving on to the next node in the list
*/
protected function sendDelete()
{
$forwardInfo = $this->getForwardInfo();
if ($forwardInfo) {
// disconnect before we make another request
WebDFS_Helper::disconnectClient();
if (isset($this->params['propagateDelete']) && !$this->params['propagateDelete']) {
return;
}
$errNo = 0;
$origPosition = $forwardInfo['position'];
$curl = curl_init();
$headers = array();
$loops = 0;
$nodeLength = count($this->getTargetNodes());
do {
if ($loops >= $nodeLength) {
$this->errorLog('noNodeFound', __FUNCTION__, __FILE__, __LINE__);
break;
}
$loops++;
$headers[0] = self::HEADER_REPLICA . ': ' . $forwardInfo['replica'];
$headers[1] = self::HEADER_POSITION . ': ' . $forwardInfo['position'];
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl, CURLOPT_TIMEOUT, 10);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "DELETE");
curl_setopt($curl, CURLOPT_URL, $forwardInfo['forwardUrl']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($curl);
$errNo = curl_errno($curl);
$info = curl_getinfo($curl);
if ($errNo || $info['http_code'] >= 400) {
$this->errorLog('deleteSend', $forwardInfo['replica'], $forwardInfo['forwardUrl'], curl_errno($curl), curl_error($curl), $response);
$forwardInfo = $this->getForwardInfo($forwardInfo['replica'], $forwardInfo['position']);
}
} while (($errNo || $info['http_code'] >= 400) && $forwardInfo && $origPosition != $forwardInfo['position']);
curl_close($curl);
}
}
protected function sendDataForMove()
{
$filePath = $this->finalPath;
$forwardInfo = $this->getForwardInfo();
if ($forwardInfo) {
$fh = fopen($filePath, "rb");
$size = filesize($filePath);
rewind($fh);
$errNo = 0;
$origPosition = $forwardInfo['position'];
$curl = curl_init();
$headers = array();
// disconnect before we make another request
WebDFS_Helper::disconnectClient();
$loops = 0;
$nodeLength = count($this->getTargetNodes());
do {
if ($loops >= $nodeLength) {
$this->errorLog('noNodeFound', __FUNCTION__, __FILE__, __LINE__);
break;
}
$loops++;
$headers[0] = self::HEADER_REPLICA . ': ' . $forwardInfo['replica'];
$headers[1] = self::HEADER_POSITION . ': ' . $forwardInfo['position'];
$headers[2] = self::HEADER_MOVE_CONTEXT . ': create';
$headers[3] = self::HEADER_MOVE_CONFIG_INDEX . ': ' . $this->params['moveConfigIndex'];
$headers[4] = self::HEADER_CONFIG_INDEX . ': ' . $this->params['configIndex'];
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl, CURLOPT_UPLOAD, true);
curl_setopt($curl, CURLOPT_INFILE, $fh);
curl_setopt($curl, CURLOPT_INFILESIZE, $size);
curl_setopt($curl, CURLOPT_TIMEOUT, 10);
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "MOVE");
curl_setopt($curl, CURLOPT_URL, $forwardInfo['forwardUrl']);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($curl);
$errNo = curl_errno($curl);
$info = curl_getinfo($curl);
if ($errNo || $info['http_code'] >= 400) {
$this->errorLog('sendDataForMove', $forwardInfo['replica'], $forwardInfo['forwardUrl'], curl_errno($curl), curl_error($curl), $response);
$forwardInfo = $this->getForwardInfo($forwardInfo['replica'], $forwardInfo['position']);
} else {
$this->debugLog('sendDataForMove', $forwardInfo['replica'], $forwardInfo['forwardUrl']);
}
} while (($errNo || $info['http_code'] >= 400) && $origPosition != $forwardInfo['position'] && $forwardInfo);
curl_close($curl);
fclose($fh);
}
}
protected function forwardDataForPut()
{
$targetNodes = $this->getTargetNodes();
if ($this->iAmATarget()) {
// disconnect the client before we start
// replicating since we are a storage node
// and already have the file
WebDFS_Helper::disconnectClient($targetNodes, $this->params['fileName']);
$this->sendDataForPut($this->finalPath);
} else {
$this->sendDataForPut($this->config['inputStream']);
// unlink( $this->tmpPath );
// disconnect only after we have
// uploaded the file to the first
// storage target node
WebDFS_Helper::disconnectClient($targetNodes, $this->params['fileName']);
}
}
