/**
* Connects to our database
*/
public function connect()
{
// We don't need to throw useless exceptions here, the MongoDB PHP Driver has its own checks and error reporting
// Yii will easily and effortlessly display the errors from the PHP driver, we should only catch its exceptions if
// we wanna add our own custom messages on top which we don't, the errors are quite self explanatory
if (version_compare(phpversion('mongo'), '1.3.0', '<')) {
$this->_mongo = new Mongo($this->server, $this->options);
$this->_mongo->connect();
if ($this->setSlaveOkay) {
$this->_mongo->setSlaveOkay($this->setSlaveOkay);
}
} else {
$this->_mongo = new MongoClient($this->server, $this->options);
if (is_array($this->RP)) {
$const = $this->RP[0];
$opts = $this->RP[1];
if (!empty($opts)) {
// I do this due to a bug that exists in some PHP driver versions
$this->_mongo->setReadPreference(constant('MongoClient::' . $const), $opts);
} else {
$this->_mongo->setReadPreference(constant('MongoClient::' . $const));
}
}
}
}
public static function factory($cfg)
{
if ($cfg instanceof Traversable) {
$cfg = ArrayUtils::iteratorToArray($cfg);
}
if (!is_array($cfg)) {
throw new \Exception('配置信息未设定');
}
if (!isset($cfg['cluster']) || empty($cfg['cluster'])) {
throw new \Exception('配置信息中缺少cluster参数');
}
$options = array();
//$options['connectTimeoutMS'] = 60000;
//$options['socketTimeoutMS'] = 60000;
//$options['w'] = 1;
// $options['w'] = 3;
//$options['wTimeout'] = 60000;
if (isset($cfg['options']) && !empty($cfg['options'])) {
$options = array_merge($options, $cfg['options']);
}
if (!isset($cfg['cluster']['default']) || empty($cfg['cluster']['default'])) {
throw new \Exception('配置信息中缺少cluster.default参数');
}
$cluster = array();
foreach ($cfg['cluster'] as $clusterName => $clusterInfo) {
try {
shuffle($clusterInfo['servers']);
$dnsString = 'mongodb://' . join(',', $clusterInfo['servers']);
if (class_exists('\\MongoClient')) {
$connect = new \MongoClient($dnsString, $options);
$connect->setReadPreference(\MongoClient::RP_PRIMARY_PREFERRED);
// 读取数据主优先
// $connect->setReadPreference(\MongoClient::RP_SECONDARY_PREFERRED);//读取数据从优先
$cluster[$clusterName]['connect'] = $connect;
} else {
throw new \Exception('请安装PHP的Mongo1.4+版本的扩展');
}
} catch (\Exception $e) {
if ($clusterName == 'default') {
throw new \Exception('无法与Mongodb建立连接' . $e->getMessage());
} else {
break;
}
}
try {
if (is_array($clusterInfo['dbs']) && !empty($clusterInfo['dbs']) && $connect instanceof \MongoClient) {
foreach ($clusterInfo['dbs'] as $db) {
$cluster[$clusterName]['dbs'][$db] = $connect->selectDB($db);
}
} else {
throw new \Exception('请设定cluster.name.dbs');
}
} catch (\Exception $e) {
throw new \Exception('已经建立连接，但是无法访问指定的数据库');
}
unset($connect);
}
return new Config($cluster);
}
/**
* Wrapper method for MongoClient::setReadPreference().
*
* @see http://php.net/manual/en/mongoclient.setreadpreference.php
* @param string $readPreference
* @param array $tags
* @return boolean
*/
public function setReadPreference($readPreference, array $tags = null)
{
$this->initialize();
if (isset($tags)) {
return $this->mongoClient->setReadPreference($readPreference, $tags);
}
return $this->mongoClient->setReadPreference($readPreference);
}
protected function __property_client()
{
$options = $this->options + ['db' => $this->name];
if ($this->username) {
$options['username'] = $this->username;
}
if (false !== $this->password) {
$options['password'] = $this->password;
}
if ($this->replicaSet) {
$options['replicaSet'] = $this->replicaSet;
}
$options['connect'] = $this->connect;
$options['connectTimeoutMS'] = $this->connectTimeoutMS;
$options['socketTimeoutMS'] = $this->socketTimeoutMS;
$options['secondaryAcceptableLatencyMS'] = $this->secondaryAcceptableLatencyMS;
$host = str_replace(' ', '', implode(',', (array) $this->host));
$client = new \MongoClient('mongodb://' . $host, $options, $this->socketContext ? ['context' => $this->socketContext] : []);
$client->setReadPreference($this->readPreference, $this->readPreferenceTags);
return $client;
}
/**
* @Service(activemongo, {
* host: {default: 'localhost'},
* user: {default: NULL},
* pass: {default: NULL},
* replicaSet: {default: NULL},
* db: {required: true},
* opts: { default:{}, type: 'hash'},
* path: { require: true, type: array_dir},
* temp_dir: { default: '/tmp', type: dir },
* w: {default: 1},
* devel: {default: true}
* }, { shared: true })
*/
function activemongo2_service($config)
{
if (!$config['replicaSet']) {
$conn = new \MongoClient($config['host'], $config['opts']);
} else {
$conn = new \MongoClient($config['host'], array("replicaSet" => $config['replicaSet']), $config['opts']);
$conn->setReadPreference(\MongoClient::RP_SECONDARY);
\MongoCursor::$slaveOkay = true;
}
$db = $conn->selectDB($config['db']);
if ($config['user'] || $config['pass']) {
$db->authenticate($config['user'], $config['pass']);
}
$conf = new \ActiveMongo2\Configuration($config['temp_dir'] . "/activemongo2__" . $db . ".php");
foreach ((array) $config['path'] as $path) {
$conf->addModelPath($path);
}
if ($config['devel']) {
$conf->development();
}
$conf->setWriteConcern($config['w']);
$mongo = new \ActiveMongo2\Connection($conf, $conn, $db);
return $mongo;
}
#!/usr/bin/php
<?php
$document_id = '543f1ec50208373c53ba39b3';
// login and authenticate as read only user
$m = new MongoClient("mongodb://localhost:27200/statsdb");
// Prefer the nearest server with no tag preference
$m->setReadPreference(MongoClient::RP_NEAREST, array());
// get handle for statsdb and statistics collection
$db = $m->statsdb;
$statistics = $db->statistics;
$start_time = microtime(true);
// retrieve a record and display it
$statistical_record = $statistics->findOne(array("_id" => new MongoId($document_id)));
print "Found record with _id = {$statistical_record['_id']}.\n";
$stop_time = microtime(true);
// get the difference in seconds
$time_ms = ($stop_time - $start_time) * 1000;
print "Elapsed time from MongoDB was {$time_ms} seconds.\n\n";
// cache document
apc_store($document_id, $statistical_record);
$start_time = microtime(true);
// retrieve a record and display it
$statistical_record = apc_fetch($document_id);
print "Found record with _id = {$statistical_record['_id']}.\n";
$stop_time = microtime(true);
// get the difference in seconds
$time_ms = ($stop_time - $start_time) * 1000;
print "Elapsed time from cache was {$time_ms} seconds.\n\n";
<?php
try {
$options = array();
$options['connectTimeoutMS'] = 60000;
$options['socketTimeoutMS'] = 60000;
$options['w'] = 1;
$options['wTimeout'] = 60000;
$connect = new \MongoClient("mongodb://10.0.0.31:57017", $options);
$connect->setReadPreference(\MongoClient::RP_PRIMARY_PREFERRED);
$db = $connect->selectDB('ICCv1');
// $collection = new MongoCollection($db, 'idatabase_collection_5372fccc49961910538b4570');
$collection = new MongoCollection($db, 'idatabase_collection_5372fccc49961910538b4570');
$collection->ensureIndex(array('location' => '2d'));
// $cursor = $collection->find(array(
// '$and' => array(
// 0 => array(
// '__REMOVED__' => FALSE
// ),
// 1 => array(
// '$and' => array(
// 0 => array(
// 'location' => array(
// '$near' => array(
// 0 => 123,
// 1 => 123
// ),
// '$maxDistance' => 0.089992800575954
// )
// )
// )