/**
* Retrieve a sibling by sibling number.
* @param integer $i - Sibling number.
* @param integer $r - R-Value. Wait until this many partitions
* have responded before returning to client.
* @return Object.
*/
public function getSibling($i, $r = NULL)
{
# Use defaults if not specified.
$r = $this->bucket->getR($r);
# Run the request...
$vtag = $this->siblings[$i];
$params = array('r' => $r, 'vtag' => $vtag);
$url = Utils::buildRestPath($this->client, $this->bucket, $this->key, NULL, $params);
$response = Utils::httpRequest('GET', $url);
# Respond with a new object...
$obj = new Object($this->client, $this->bucket, $this->key);
$obj->jsonize = $this->jsonize;
$obj->populate($response, array(200));
return $obj;
}
/**
* Given a Method, URL, Headers, and Body, perform and HTTP request,
* and return an array of arity 2 containing an associative array of
* response headers and the response body.
*/
public static function httpRequest($method, $url, $request_headers = array(), $obj = '')
{
# Set up curl
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
if ($method == 'GET') {
curl_setopt($ch, CURLOPT_HTTPGET, 1);
} else {
if ($method == 'POST') {
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $obj);
} else {
if ($method == 'PUT') {
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
curl_setopt($ch, CURLOPT_POSTFIELDS, $obj);
} else {
if ($method == 'DELETE') {
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'DELETE');
}
}
}
}
# Capture the response headers...
$response_headers_io = new StringIO();
curl_setopt($ch, CURLOPT_HEADERFUNCTION, array(&$response_headers_io, 'write'));
# Capture the response body...
$response_body_io = new StringIO();
curl_setopt($ch, CURLOPT_WRITEFUNCTION, array(&$response_body_io, 'write'));
try {
# Run the request.
curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
# Get the headers...
$parsed_headers = Utils::parseHttpHeaders($response_headers_io->contents());
$response_headers = array("http_code" => $http_code);
foreach ($parsed_headers as $key => $value) {
$response_headers[strtolower($key)] = $value;
}
# Get the body...
$response_body = $response_body_io->contents();
# Return a new Response object.
return array($response_headers, $response_body);
} catch (\Exception $e) {
curl_close($ch);
error_log('Error: ' . $e->getMessage());
return NULL;
}
}
/**
* Check if the Riak server for this Client is alive.
* @return boolean
*/
public function isAlive()
{
$url = 'http://' . $this->host . ':' . $this->port . '/ping';
$response = Utils::httpRequest('GET', $url);
return $response != NULL && $response[1] == 'OK';
}
/**
* Search a secondary index
* @author Eric Stevens <*****@*****.**>
* @param string $indexName - The name of the index to search
* @param string $indexType - The type of index ('int' or 'bin')
* @param string|int $startOrExact
* @param string|int optional $end
* @param bool $dedupe - whether to eliminate duplicate entries if any
* @return array of Links
*/
public function indexSearch($indexName, $indexType, $startOrExact, $end = NULL, $dedupe = false)
{
$url = Utils::buildIndexPath($this->client, $this, "{$indexName}_{$indexType}", $startOrExact, $end, NULL);
$response = Utils::httpRequest('GET', $url);
$obj = new Object($this->client, $this, NULL);
$obj->populate($response, array(200));
if (!$obj->exists()) {
throw \Exception("Error searching index.");
}
$data = $obj->getData();
$keys = array_map("urldecode", $data["keys"]);
$seenKeys = array();
foreach ($keys as $id => &$key) {
if ($dedupe) {
if (isset($seenKeys[$key])) {
unset($keys[$id]);
continue;
}
$seenKeys[$key] = true;
}
$key = new Link($this->name, $key);
$key->client = $this->client;
}
return $keys;
}
