/**
* Actual health check logic.
*
* @param HealthBuilder $builder
*
* @throws \Exception any Exception that should create a Status::DOWN
* system status.
*/
protected function doHealthCheck(HealthBuilder $builder)
{
try {
$this->connection->reconnect();
$serverProperties = $this->connection->getServerProperties();
$builder->withDetail('version', $serverProperties['version'][1]);
} catch (\Exception $e) {
$builder->down($e);
return;
}
$builder->up();
}
/**
* @return \PhpAmqpLib\Channel\AMQPChannel
*/
public function channel()
{
try {
// Create channel
if ($this->channel === null) {
// Connect if not connected
if (!$this->connection->isConnected()) {
$this->connection->reconnect();
}
// Create channel
$this->channel = $this->getConnection()->channel();
}
return $this->channel;
} catch (\Exception $e) {
// The exceptions thrown by the library are cryptic at best. You may very well get seemingly unrelated a protocol error etc.
// Throw a more descriptive exception.
throw new \InvalidArgumentException("Failed to create the AMQP channel. This may be related to a misconfiguration of the connection or channel.", 0, $e);
}
}
/**
* @param AbstractConnection|null $connection
*
* @return $this
*/
public function connect($connection = null)
{
if (null !== $connection) {
$this->setConnection($connection);
}
// The connection is opened when the connection object is created, we just need to check if this is true
// Calling getConnection() creates a new connection if one doesn't exist
if (!$this->getConnection()->isConnected()) {
$this->connection->reconnect();
}
return $this;
}
/**
* Perform the test after the connection has already been setup
*/
protected function performTest()
{
// We need to a channel and exchange/queue
$this->setupChannel();
// Ensure normal publish then get works
$this->assertEquals($this->msgBody, $this->publishGet()->body);
// Reconnect the socket/stream connection
$this->conn->reconnect();
// Setup the channel and declarations again
$this->setupChannel();
// Ensure normal publish then get works (after reconnect attempt)
$this->assertEquals($this->msgBody, $this->publishGet()->body);
}
/**
* @inheritdoc
*/
public function reconnect() : bool
{
$this->connection->reconnect();
return $this->isConnected();
}
