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Archive: Namaste PHP AMQP framework v1.0 (2017-2020)

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952 days continuous production uptime, 40k+ tp/s single node.
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2026-04-05 09:49:30 -07:00
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classes/deprecated/gacAdminClient.txt Normal file
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<?php
/**
* this class is used when we want to publish a request to the AdminIn broker. The class wraps all of the
* RabbitMQ initialization and communication work so you don't have to. Especially useful for unit testing.
*
*
* @author mike@givingassistant.org
* @version 1.0
*
* HISTORY:
* ========
* 06-15-17 mks original coding
* 07-05-17 mks eliminated recursive calls to the $logger entity; replaced $logger calls with console output
*
*/
use /** @noinspection PhpUnusedAliasInspection */ PhpAmqpLib\Connection\AMQPStreamConnection;
use /** @noinspection PhpUnusedAliasInspection */ PhpAmqpLib\Channel\AMQPChannel;
use PhpAmqpLib\Exception\AMQPTimeoutException;
use /** @noinspection PhpUnusedAliasInspection */ PhpAmqpLib\Message\AMQPMessage;
class gacAdminClientIn
{
/** @var PhpAmqpLib\Connection\AMQPStreamConnection */
private $rabbitConnection;
/** @var PhpAmqpLib\Channel\AMQPChannel */
private $rabbitChannel;
private $rabbitCorrelationID;
private $rabbitCallbackQueue;
private $queueName;
private $res = 'BACI: '; // Broker Admin Client In
public $status;
/**
* __construct() -- public method
*
* this is the constructor for the class. it requests an admin resource from the resource manager and declares
* a client-side connection to the service.
*
* there is an optional input parameter -- $_fw (from-where) that inserts a string into the queue label allowing
* easy identification of the requesting source.
*
* the method returns no values. It only sets the class' status member variable, a Boolean, on success or fail,
* accordingly.
*
*
* @author mike@givingassistant.org
* @version 1.0
*
*
* @param $_fw - "from where" - tweaks queue label to identify request origin
*
*
* HISTORY:
* ========
* 06-15-17 mks original coding
*
*/
public function __construct($_fw = 'AdminClientIn')
{
register_shutdown_function(array($this, STRING_DESTRUCTOR));
$this->status = false;
var_dump(debug_backtrace());
$this->queueName = gasResourceManager::$cfgAdmin[CONFIG_BROKER_QUEUE_TAG] . BROKER_QUEUE_AI;
// $this->rabbitConnection = gasResourceManager::fetchResource(RESOURCE_ADMIN);
$this->rabbitConnection = new AMQPStreamConnection('localhost', 5672, 'namaste', 'oSZL8Cby', 'mdev');
if (is_null($this->rabbitConnection)) return;
$this->rabbitChannel = $this->rabbitConnection->channel();
$label = uniqid('gacAdminInClient<' . $_fw . '>:');
list($this->rabbitCallbackQueue, ,) = $this->rabbitChannel->queue_declare($label, false, false, false, false); // was: f,f,f,t
$this->status = true;
return;
}
/**
* call() -- public method
*
* This method is invoked outside of the class and is the entry point for publishing a message request to the
* AdminIn broker. It creates a new AMQP message and publishes it to the queue (defined in the constructor),
* and then exits, returning a true message indicating that the messages was successfully published.
*
* Since the AdminIN broker is a fire-n-forget broker, there are no return messages to block-and-wait on.
*
* If an exception is raised by this class, then a false value will be returned.
*
* NOTE: the true/false return values are not, in any way, a reflection of the processing success/failure on the
* remote service. The general RoT is that if we can publish the request, then we can only assume that the request
* was successfully consumed and processed.
*
* @author mike@givingassistant.org
* @version 1.0
*
* @param $_data
*
* HISTORY:
* ========
* 06-15-17 mks original coding
*
*/
public function call($_data)
{
$this->rabbitCorrelationID = uniqid();
$res = false;
$rabbitMessage = new AMQPMessage((string)$_data);
try {
$rabbitMessage = new AMQPMessage((string)$_data, array(BROKER_CORRELATION_ID => $this->rabbitCorrelationID, BROKER_REPLY_TO => $this->rabbitCallbackQueue));
$this->rabbitChannel->basic_publish($rabbitMessage, '', $this->queueName);
$res = true;
} catch (AMQPTimeoutException $e) {
echo getDateTime() . CON_ERROR . $this->res . ERROR_BROKER_EXCEPTION_TIMEOUT . PHP_EOL;
echo getDateTime() . CON_ERROR . $this->res . $e->getMessage() . PHP_EOL;
} catch (\PhpAmqpLib\Exception\AMQPRuntimeException $e) {
echo getDateTime() . CON_ERROR . $this->res . ERROR_BROKER_EXCEPTION_RUNTIME . PHP_EOL;
echo getDateTime() . CON_ERROR . $this->res . $e->getMessage() . PHP_EOL;
} catch (AMQPException $e) {
echo getDateTime() . CON_ERROR . $this->res . ERROR_BROKER_EXCEPTION . PHP_EOL;
echo getDateTime() . CON_ERROR . $this->res . $e->getMessage() . PHP_EOL;
} catch (Exception $e) {
echo getDateTime() . CON_ERROR . $this->res . ERROR_BROKER_EXCEPTION . PHP_EOL;
echo getDateTime() . CON_ERROR . $this->res . $e->getMessage() . PHP_EOL;
}
$this->rabbitChannel->close();
$this->rabbitConnection->close();
$this->status = $res;
}
public function __destruct()
{
// As of PHP 5.3.10 destructors are not run on shutdown caused by fatal errors.
//
// destructor is registered shut-down function in constructor -- so any recovery
// efforts should go in this method.
if (is_object($this->rabbitChannel)) {
$this->rabbitChannel->close();
$this->rabbitConnection->close();
}
}
}