[consumption] add InitLogger extension point. Before start.

pkg/enqueue/Consumption/ChainExtension.php

@@ -3,6 +3,7 @@
 namespace Enqueue\Consumption;
 
 use Enqueue\Consumption\Context\End;
+use Enqueue\Consumption\Context\InitLogger;
 use Enqueue\Consumption\Context\MessageReceived;
 use Enqueue\Consumption\Context\MessageResult;
 use Enqueue\Consumption\Context\PostConsume;
@@ -15,6 +16,7 @@
 class ChainExtension implements ExtensionInterface
 {
     private $startExtensions;
+    private $initLoggerExtensions;
     private $preSubscribeExtensions;
     private $preConsumeExtensions;
     private $messageReceivedExtensions;
@@ -24,12 +26,10 @@ class ChainExtension implements ExtensionInterface
     private $postConsumeExtensions;
     private $endExtensions;
 
-    /**
-     * @param ExtensionInterface[] $extensions
-     */
     public function __construct(array $extensions)
     {
         $this->startExtensions = [];
+        $this->initLoggerExtensions = [];
         $this->preSubscribeExtensions = [];
         $this->preConsumeExtensions = [];
         $this->messageReceivedExtensions = [];
@@ -42,6 +42,7 @@ public function __construct(array $extensions)
         array_walk($extensions, function ($extension) {
             if ($extension instanceof ExtensionInterface) {
                 $this->startExtensions[] = $extension;
+                $this->initLoggerExtensions[] = $extension;
                 $this->preSubscribeExtensions[] = $extension;
                 $this->preConsumeExtensions[] = $extension;
                 $this->messageReceivedExtensions[] = $extension;
@@ -61,6 +62,12 @@ public function __construct(array $extensions)
                 $extensionValid = true;
             }
 
+            if ($extension instanceof InitLoggerExtensionInterface) {
+                $this->initLoggerExtensions[] = $extension;
+
+                $extensionValid = true;
+            }
+
             if ($extension instanceof PreSubscribeExtensionInterface) {
                 $this->preSubscribeExtensions[] = $extension;
 
@@ -115,6 +122,13 @@ public function __construct(array $extensions)
         });
     }
 
+    public function onInitLogger(InitLogger $context): void
+    {
+        foreach ($this->endExtensions as $extension) {
+            $extension->onInitLogger($context);
+        }
+    }
+
     public function onStart(Start $context): void
     {
         foreach ($this->startExtensions as $extension) {

pkg/enqueue/Consumption/Context/InitLogger.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Enqueue\Consumption\Context;
+
+use Psr\Log\LoggerInterface;
+
+class InitLogger
+{
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
+    public function __construct(LoggerInterface $logger)
+    {
+        $this->logger = $logger;
+    }
+
+    public function getLogger(): LoggerInterface
+    {
+        return $this->logger;
+    }
+
+    public function changeLogger(LoggerInterface $logger): void
+    {
+        $this->logger = $logger;
+    }
+}

pkg/enqueue/Consumption/Context/Start.php

@@ -62,11 +62,6 @@ public function getLogger(): LoggerInterface
         return $this->logger;
     }
 
-    public function changeLogger(LoggerInterface $logger): void
-    {
-        $this->logger = $logger;
-    }
-
     /**
      * In milliseconds.
      */

pkg/enqueue/Consumption/Extension/LoggerExtension.php

@@ -2,16 +2,11 @@
 
 namespace Enqueue\Consumption\Extension;
 
-use Enqueue\Consumption\Context\PostMessageReceived;
-use Enqueue\Consumption\Context\Start;
-use Enqueue\Consumption\PostMessageReceivedExtensionInterface;
-use Enqueue\Consumption\Result;
-use Enqueue\Consumption\StartExtensionInterface;
-use Interop\Queue\Message as InteropMessage;
+use Enqueue\Consumption\Context\InitLogger;
+use Enqueue\Consumption\InitLoggerExtensionInterface;
 use Psr\Log\LoggerInterface;
-use Psr\Log\NullLogger;
 
-class LoggerExtension implements StartExtensionInterface, PostMessageReceivedExtensionInterface
+class LoggerExtension implements InitLoggerExtensionInterface
 {
     /**
      * @var LoggerInterface
@@ -26,59 +21,14 @@ public function __construct(LoggerInterface $logger)
         $this->logger = $logger;
     }
 
-    public function onStart(Start $context): void
+    public function onInitLogger(InitLogger $context): void
     {
-        if ($context->getLogger() && false == $context->getLogger() instanceof NullLogger) {
-            $context->getLogger()->debug(sprintf(
-                'Skip setting context\'s logger "%s". Another one "%s" has already been set.',
-                get_class($this->logger),
-                get_class($context->getLogger())
-            ));
-        } else {
-            $context->changeLogger($this->logger);
-            $this->logger->debug(sprintf('Set context\'s logger "%s"', get_class($this->logger)));
-        }
-    }
-
-    public function onPostMessageReceived(PostMessageReceived $context): void
-    {
-        if (false == $context->getResult() instanceof Result) {
-            return;
-        }
-
-        /** @var $result Result */
-        $result = $context->getResult();
+        $previousLogger = $context->getLogger();
 
-        switch ($result->getStatus()) {
-            case Result::REJECT:
-            case Result::REQUEUE:
-                if ($result->getReason()) {
-                    $this->logger->error($result->getReason(), $this->messageToLogContext($context->getMessage()));
-                }
-
-                break;
-            case Result::ACK:
-                if ($result->getReason()) {
-                    $this->logger->info($result->getReason(), $this->messageToLogContext($context->getMessage()));
-                }
+        if ($previousLogger !== $this->logger) {
+            $context->changeLogger($this->logger);
 
-                break;
-            default:
-                throw new \LogicException(sprintf('Got unexpected message result. "%s"', $result->getStatus()));
+            $this->logger->debug(sprintf('Change logger from "%s" to "%s"', get_class($previousLogger), get_class($this->logger)));
         }
     }
-
-    /**
-     * @param InteropMessage $message
-     *
-     * @return array
-     */
-    private function messageToLogContext(InteropMessage $message)
-    {
-        return [
-            'body' => $message->getBody(),
-            'headers' => $message->getHeaders(),
-            'properties' => $message->getProperties(),
-        ];
-    }
 }

pkg/enqueue/Consumption/ExtensionInterface.php

@@ -2,6 +2,6 @@
 
 namespace Enqueue\Consumption;
 
-interface ExtensionInterface extends StartExtensionInterface, PreSubscribeExtensionInterface, PreConsumeExtensionInterface, MessageReceivedExtensionInterface, PostMessageReceivedExtensionInterface, MessageResultExtensionInterface, ProcessorExceptionExtensionInterface, PostConsumeExtensionInterface, EndExtensionInterface
+interface ExtensionInterface extends StartExtensionInterface, PreSubscribeExtensionInterface, PreConsumeExtensionInterface, MessageReceivedExtensionInterface, PostMessageReceivedExtensionInterface, MessageResultExtensionInterface, ProcessorExceptionExtensionInterface, PostConsumeExtensionInterface, EndExtensionInterface, InitLoggerExtensionInterface
 {
 }

pkg/enqueue/Consumption/InitLoggerExtensionInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Enqueue\Consumption;
+
+use Enqueue\Consumption\Context\InitLogger;
+
+interface InitLoggerExtensionInterface
+{
+    /**
+     * Executed only once at the very beginning of the QueueConsumer::consume method call.
+     * BEFORE onStart extension method.
+     */
+    public function onInitLogger(InitLogger $context): void;
+}

pkg/enqueue/Consumption/QueueConsumer.php

@@ -3,6 +3,7 @@
 namespace Enqueue\Consumption;
 
 use Enqueue\Consumption\Context\End;
+use Enqueue\Consumption\Context\InitLogger;
 use Enqueue\Consumption\Context\MessageReceived;
 use Enqueue\Consumption\Context\MessageResult;
 use Enqueue\Consumption\Context\PostConsume;
@@ -32,7 +33,7 @@ final class QueueConsumer implements QueueConsumerInterface
     private $interopContext;
 
     /**
-     * @var ExtensionInterface|ChainExtension
+     * @var ExtensionInterface
      */
     private $staticExtension;
 
@@ -46,11 +47,6 @@ final class QueueConsumer implements QueueConsumerInterface
      */
     private $receiveTimeout;
 
-    /**
-     * @var ExtensionInterface|ChainExtension
-     */
-    private $extension;
-
     /**
      * @var LoggerInterface
      */
@@ -128,11 +124,16 @@ public function bindCallback($queue, callable $processor): QueueConsumerInterfac
 
     public function consume(ExtensionInterface $runtimeExtension = null): void
     {
-        $this->extension = $runtimeExtension ?
+        $extension = $runtimeExtension ?
             new ChainExtension([$this->staticExtension, $runtimeExtension]) :
             $this->staticExtension
         ;
 
+        $initLogger = new InitLogger($this->logger);
+        $extension->onInitLogger($initLogger);
+
+        $this->logger = $initLogger->getLogger();
+
         $startTime = (int) (microtime(true) * 1000);
 
         $start = new Start(
@@ -143,10 +144,10 @@ public function consume(ExtensionInterface $runtimeExtension = null): void
             $startTime
         );
 
-        $this->extension->onStart($start);
+        $extension->onStart($start);
 
         if ($start->isExecutionInterrupted()) {
-            $this->onEnd($startTime);
+            $this->onEnd($extension, $startTime);
 
             return;
         }
@@ -176,7 +177,7 @@ public function consume(ExtensionInterface $runtimeExtension = null): void
         $receivedMessagesCount = 0;
         $interruptExecution = false;
 
-        $callback = function (InteropMessage $message, Consumer $consumer) use (&$receivedMessagesCount, &$interruptExecution) {
+        $callback = function (InteropMessage $message, Consumer $consumer) use (&$receivedMessagesCount, &$interruptExecution, $extension) {
             ++$receivedMessagesCount;
 
             $receivedAt = (int) (microtime(true) * 1000);
@@ -188,19 +189,19 @@ public function consume(ExtensionInterface $runtimeExtension = null): void
             $processor = $this->boundProcessors[$queue->getQueueName()]->getProcessor();
 
             $messageReceived = new MessageReceived($this->interopContext, $consumer, $message, $processor, $receivedAt, $this->logger);
-            $this->extension->onMessageReceived($messageReceived);
+            $extension->onMessageReceived($messageReceived);
             $result = $messageReceived->getResult();
             $processor = $messageReceived->getProcessor();
             if (null === $result) {
                 try {
                     $result = $processor->process($message, $this->interopContext);
                 } catch (\Exception $e) {
-                    $result = $this->onProcessorException($message, $e, $receivedAt);
+                    $result = $this->onProcessorException($extension, $message, $e, $receivedAt);
                 }
             }
 
             $messageResult = new MessageResult($this->interopContext, $message, $result, $receivedAt, $this->logger);
-            $this->extension->onResult($messageResult);
+            $extension->onResult($messageResult);
             $result = $messageResult->getResult();
 
             switch ($result) {
@@ -220,7 +221,7 @@ public function consume(ExtensionInterface $runtimeExtension = null): void
             }
 
             $postMessageReceived = new PostMessageReceived($this->interopContext, $message, $result, $receivedAt, $this->logger);
-            $this->extension->onPostMessageReceived($postMessageReceived);
+            $extension->onPostMessageReceived($postMessageReceived);
 
             if ($postMessageReceived->isExecutionInterrupted()) {
                 $interruptExecution = true;
@@ -241,7 +242,7 @@ public function consume(ExtensionInterface $runtimeExtension = null): void
                 $this->logger
             );
 
-            $this->extension->onPreSubscribe($preSubscribe);
+            $extension->onPreSubscribe($preSubscribe);
 
             $subscriptionConsumer->subscribe($consumer, $callback);
         }
@@ -252,21 +253,21 @@ public function consume(ExtensionInterface $runtimeExtension = null): void
             $interruptExecution = false;
 
             $preConsume = new PreConsume($this->interopContext, $subscriptionConsumer, $this->logger, $cycle, $this->receiveTimeout, $startTime);
-            $this->extension->onPreConsume($preConsume);
+            $extension->onPreConsume($preConsume);
 
             if ($preConsume->isExecutionInterrupted()) {
-                $this->onEnd($startTime, $subscriptionConsumer);
+                $this->onEnd($extension, $startTime, $subscriptionConsumer);
 
                 return;
             }
 
             $subscriptionConsumer->consume($this->receiveTimeout);
 
             $postConsume = new PostConsume($this->interopContext, $subscriptionConsumer, $receivedMessagesCount, $cycle, $startTime, $this->logger);
-            $this->extension->onPostConsume($postConsume);
+            $extension->onPostConsume($postConsume);
 
             if ($interruptExecution || $postConsume->isExecutionInterrupted()) {
-                $this->onEnd($startTime, $subscriptionConsumer);
+                $this->onEnd($extension, $startTime, $subscriptionConsumer);
 
                 return;
             }
@@ -285,11 +286,11 @@ public function setFallbackSubscriptionConsumer(SubscriptionConsumer $fallbackSu
         $this->fallbackSubscriptionConsumer = $fallbackSubscriptionConsumer;
     }
 
-    private function onEnd(int $startTime, SubscriptionConsumer $subscriptionConsumer = null): void
+    private function onEnd(ExtensionInterface $extension, int $startTime, SubscriptionConsumer $subscriptionConsumer = null): void
     {
         $endTime = (int) (microtime(true) * 1000);
 
-        $this->extension->onEnd(new End($this->interopContext, $startTime, $endTime, $this->logger));
+        $extension->onEnd(new End($this->interopContext, $startTime, $endTime, $this->logger));
 
         if ($subscriptionConsumer) {
             $subscriptionConsumer->unsubscribeAll();
@@ -301,12 +302,12 @@ private function onEnd(int $startTime, SubscriptionConsumer $subscriptionConsume
      *
      * https://github.com/symfony/symfony/blob/cbe289517470eeea27162fd2d523eb29c95f775f/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php#L77
      */
-    private function onProcessorException(Message $message, \Exception $exception, int $receivedAt)
+    private function onProcessorException(ExtensionInterface $extension, Message $message, \Exception $exception, int $receivedAt)
     {
         $processorException = new ProcessorException($this->interopContext, $message, $exception, $receivedAt, $this->logger);
 
         try {
-            $this->extension->onProcessorException($processorException);
+            $extension->onProcessorException($processorException);
 
             $result = $processorException->getResult();
             if (null === $result) {

pkg/enqueue/Consumption/QueueConsumerInterface.php

@@ -35,7 +35,7 @@ public function bindCallback($queue, callable $processor): self;
      * Runtime extension - is an extension or a collection of extensions which could be set on runtime.
      * Here's a good example: @see LimitsExtensionsCommandTrait.
      *
-     * @param ExtensionInterface|ChainExtension|null $runtimeExtension
+     * @param ExtensionInterface|null $runtimeExtension
      *
      * @throws \Exception
      */

pkg/enqueue/Symfony/Consumption/LimitsExtensionsCommandTrait.php

@@ -13,9 +13,6 @@
 
 trait LimitsExtensionsCommandTrait
 {
-    /**
-     * {@inheritdoc}
-     */
     protected function configureLimitsExtensions()
     {
         $this