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<?php
namespace Illuminate\Redis;
use Closure;
use Illuminate\Contracts\Redis\Factory;
use Illuminate\Redis\Connections\Connection;
use Illuminate\Redis\Connectors\PhpRedisConnector;
use Illuminate\Redis\Connectors\PredisConnector;
use Illuminate\Support\Arr;
use Illuminate\Support\ConfigurationUrlParser;
use InvalidArgumentException;
/**
* @mixin \Illuminate\Redis\Connections\Connection
*/
class RedisManager implements Factory
{
/**
* The application instance.
*
* @var \Illuminate\Contracts\Foundation\Application
*/
protected $app;
/**
* The name of the default driver.
*
* @var string
*/
protected $driver;
/**
* The registered custom driver creators.
*
* @var array
*/
protected $customCreators = [];
/**
* The Redis server configurations.
*
* @var array
*/
protected $config;
/**
* The Redis connections.
*
* @var mixed
*/
protected $connections;
/**
* Indicates whether event dispatcher is set on connections.
*
* @var bool
*/
protected $events = false;
/**
* Create a new Redis manager instance.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @param string $driver
* @param array $config
* @return void
*/
public function __construct($app, $driver, array $config)
{
$this->app = $app;
$this->driver = $driver;
$this->config = $config;
}
/**
* Get a Redis connection by name.
*
* @param string|null $name
* @return \Illuminate\Redis\Connections\Connection
*/
public function connection($name = null)
{
$name = $name ?: 'default';
if (isset($this->connections[$name])) {
return $this->connections[$name];
}
return $this->connections[$name] = $this->configure(
$this->resolve($name), $name
);
}
/**
* Resolve the given connection by name.
*
* @param string|null $name
* @return \Illuminate\Redis\Connections\Connection
*
* @throws \InvalidArgumentException
*/
public function resolve($name = null)
{
$name = $name ?: 'default';
$options = $this->config['options'] ?? [];
if (isset($this->config[$name])) {
return $this->connector()->connect(
$this->parseConnectionConfiguration($this->config[$name]),
array_merge(Arr::except($options, 'parameters'), ['parameters' => Arr::get($options, 'parameters.'.$name, Arr::get($options, 'parameters', []))])
);
}
if (isset($this->config['clusters'][$name])) {
return $this->resolveCluster($name);
}
throw new InvalidArgumentException("Redis connection [{$name}] not configured.");
}
/**
* Resolve the given cluster connection by name.
*
* @param string $name
* @return \Illuminate\Redis\Connections\Connection
*/
protected function resolveCluster($name)
{
return $this->connector()->connectToCluster(
array_map(function ($config) {
return $this->parseConnectionConfiguration($config);
}, $this->config['clusters'][$name]),
$this->config['clusters']['options'] ?? [],
$this->config['options'] ?? []
);
}
/**
* Configure the given connection to prepare it for commands.
*
* @param \Illuminate\Redis\Connections\Connection $connection
* @param string $name
* @return \Illuminate\Redis\Connections\Connection
*/
protected function configure(Connection $connection, $name)
{
$connection->setName($name);
if ($this->events && $this->app->bound('events')) {
$connection->setEventDispatcher($this->app->make('events'));
}
return $connection;
}
/**
* Get the connector instance for the current driver.
*
* @return \Illuminate\Contracts\Redis\Connector
*/
protected function connector()
{
$customCreator = $this->customCreators[$this->driver] ?? null;
if ($customCreator) {
return $customCreator();
}
switch ($this->driver) {
case 'predis':
return new PredisConnector;
case 'phpredis':
return new PhpRedisConnector;
}
}
/**
* Parse the Redis connection configuration.
*
* @param mixed $config
* @return array
*/
protected function parseConnectionConfiguration($config)
{
$parsed = (new ConfigurationUrlParser)->parseConfiguration($config);
$driver = strtolower($parsed['driver'] ?? '');
if (in_array($driver, ['tcp', 'tls'])) {
$parsed['scheme'] = $driver;
}
return array_filter($parsed, function ($key) {
return ! in_array($key, ['driver'], true);
}, ARRAY_FILTER_USE_KEY);
}
/**
* Return all of the created connections.
*
* @return array
*/
public function connections()
{
return $this->connections;
}
/**
* Enable the firing of Redis command events.
*
* @return void
*/
public function enableEvents()
{
$this->events = true;
}
/**
* Disable the firing of Redis command events.
*
* @return void
*/
public function disableEvents()
{
$this->events = false;
}
/**
* Set the default driver.
*
* @param string $driver
* @return void
*/
public function setDriver($driver)
{
$this->driver = $driver;
}
/**
* Disconnect the given connection and remove from local cache.
*
* @param string|null $name
* @return void
*/
public function purge($name = null)
{
$name = $name ?: 'default';
unset($this->connections[$name]);
}
/**
* Register a custom driver creator Closure.
*
* @param string $driver
* @param \Closure $callback
* @return $this
*/
public function extend($driver, Closure $callback)
{
$this->customCreators[$driver] = $callback->bindTo($this, $this);
return $this;
}
/**
* Pass methods onto the default Redis connection.
*
* @param string $method
* @param array $parameters
* @return mixed
*/
public function __call($method, $parameters)
{
return $this->connection()->{$method}(...$parameters);
}
}
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