protected function call($url, $method = "GET", $payload = null)
{
$conn = $this->ch;
$protocol = "http";
$requestURL = $protocol . "://" . $this->host . $url;
curl_setopt($conn, CURLOPT_URL, $requestURL);
curl_setopt($conn, CURLOPT_TIMEOUT, $this->timeout);
curl_setopt($conn, CURLOPT_PORT, $this->port);
curl_setopt($conn, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($conn, CURLOPT_CUSTOMREQUEST, strtoupper($method));
curl_setopt($conn, CURLOPT_FORBID_REUSE, 0);
if (is_array($payload) && count($payload) > 0) {
curl_setopt($conn, CURLOPT_POSTFIELDS, json_encode($payload));
} else {
curl_setopt($conn, CURLOPT_POSTFIELDS, $payload);
}
$response = curl_exec($conn);
if ($response !== false) {
$data = json_decode($response, true);
if (!$data) {
$data = array('error' => $response, "code" => curl_getinfo($conn, CURLINFO_HTTP_CODE));
}
} else {
/**
* cUrl error code reference can be found here:
* http://curl.haxx.se/libcurl/c/libcurl-errors.html
*/
$errno = curl_errno($conn);
switch ($errno) {
case CURLE_UNSUPPORTED_PROTOCOL:
$error = "Unsupported protocol [{$protocol}]";
break;
case CURLE_FAILED_INIT:
$error = "Internal cUrl error?";
break;
case CURLE_URL_MALFORMAT:
$error = "Malformed URL [{$requestURL}] -d " . json_encode($payload);
break;
case CURLE_COULDNT_RESOLVE_PROXY:
$error = "Couldnt resolve proxy";
break;
case CURLE_COULDNT_RESOLVE_HOST:
$error = "Couldnt resolve host";
break;
case CURLE_COULDNT_CONNECT:
$error = "Couldnt connect to host [{$this->host}], ElasticSearch down?";
break;
case CURLE_OPERATION_TIMEDOUT:
$error = "Operation timed out on [{$requestURL}]";
break;
default:
$error = "Unknown error";
if ($errno == 0) {
$error .= ". Non-cUrl error";
} else {
$errstr = curl_error($conn);
$error .= " ({$errstr})";
}
break;
}
$exception = new HTTPException($error);
$exception->payload = $payload;
$exception->port = $this->port;
$exception->protocol = $protocol;
$exception->host = $this->host;
$exception->method = $method;
throw $exception;
}
return $data;
}
