From c482178ea169611f3f92fe0445b03614550bf474 Mon Sep 17 00:00:00 2001
From: Andreas Fankhauser <23085769+hiddenalpha@users.noreply.github.com>
Date: Wed, 21 Feb 2024 17:36:11 +0100
Subject: [PATCH] [SDCISA-14715] Fix bad habits.

---
 .../queue/queuing/QueueProcessor.java         | 32 +++++++++++--------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/gateleen-queue/src/main/java/org/swisspush/gateleen/queue/queuing/QueueProcessor.java b/gateleen-queue/src/main/java/org/swisspush/gateleen/queue/queuing/QueueProcessor.java
index d8f496ddb..1ebb50c45 100755
--- a/gateleen-queue/src/main/java/org/swisspush/gateleen/queue/queuing/QueueProcessor.java
+++ b/gateleen-queue/src/main/java/org/swisspush/gateleen/queue/queuing/QueueProcessor.java
@@ -36,6 +36,7 @@ public class QueueProcessor {
     private HttpClient httpClient;
     private MonitoringHandler monitoringHandler;
     private QueueCircuitBreaker queueCircuitBreaker;
+    private static final Handler<Buffer> DEV_NULL = buf -> {};
     private MessageConsumer<JsonObject> consumer;
 
     private Logger log = LoggerFactory.getLogger(QueueProcessor.class);
@@ -243,32 +244,35 @@ private void executeQueuedRequest(Message<JsonObject> message, Logger logger, Ht
             });
 
             Handler<AsyncResult<HttpClientResponse>> httpAsyncHandler = asyncResult -> {
-                HttpClientResponse response = asyncResult.result();
-                if (logger.isTraceEnabled()) {
-                    logger.trace("response: " + response.statusCode());
+                if (asyncResult.failed()) {
+                    logger.error("TODO error handling", new Exception("stacktrace", asyncResult.cause()));
+                    return;
                 }
-                if (response.statusCode() >= 200 && response.statusCode() < 300 || response.statusCode() == 409) {
-                    if (response.statusCode() != StatusCode.CONFLICT.getStatusCode()) {
-                        logger.debug("Successful request to " + queuedRequest.getUri());
+                HttpClientResponse response = asyncResult.result();
+                int statusCode = response.statusCode();
+                logger.trace("response: {}", statusCode);
+                if (statusCode >= 200 && statusCode < 300 || statusCode == 409) {
+                    if (statusCode != StatusCode.CONFLICT.getStatusCode()) {
+                        logger.debug("Successful request to {}", queuedRequest.getUri());
                     } else {
-                        logger.warn("Ignoring request conflict to " + queuedRequest.getUri() + ": " + response.statusCode() + " " + response.statusMessage());
+                        logger.warn("Ignoring request conflict to {}: {} {}", queuedRequest.getUri(), statusCode, response.statusMessage());
                     }
                     message.reply(new JsonObject().put(STATUS, OK));
                     performCircuitBreakerActions(queueName, queuedRequest, SUCCESS, state);
                     monitoringHandler.updateDequeue();
-                } else if (QueueRetryUtil.retryQueueItem(queuedRequest.getHeaders(), response.statusCode(), logger)) {
-                    logger.info("Failed queued request to " + queuedRequest.getUri() + ": " + response.statusCode() + " " + response.statusMessage());
-                    message.reply(new JsonObject().put(STATUS, ERROR).put(MESSAGE, response.statusCode() + " " + response.statusMessage()));
+                } else if (QueueRetryUtil.retryQueueItem(queuedRequest.getHeaders(), statusCode, logger)) {
+                    logger.info("Failed queued request to {}: {} {}", queuedRequest.getUri(), statusCode, response.statusMessage());
+                    message.reply(new JsonObject().put(STATUS, ERROR).put(MESSAGE, statusCode + " " + response.statusMessage()));
                     performCircuitBreakerActions(queueName, queuedRequest, FAILURE, state);
                 } else {
-                    logger.info("Reply success, because no more retries left for failed queued request to {}: {} {}", queuedRequest.getUri(), response.statusCode(), response.statusMessage());
+                    logger.info("Reply success, because no more retries left for failed queued request to {}: {} {}", queuedRequest.getUri(), statusCode, response.statusMessage());
                     message.reply(new JsonObject().put(STATUS, OK));
                     performCircuitBreakerActions(queueName, queuedRequest, SUCCESS, state);
                 }
-                response.bodyHandler(event -> logger.debug("Discarding backend body"));
-                response.endHandler(event -> logger.debug("Backend response end"));
+                response.handler(DEV_NULL);
+                response.endHandler(nothing -> logger.debug("Backend response end"));
                 response.exceptionHandler(exception -> {
-                    logger.warn("Exception on response from " + queuedRequest.getUri() + ": " + exception.getMessage());
+                    logger.warn("Exception on response from {}: {}", queuedRequest.getUri(), exception.getMessage());
                     message.reply(new JsonObject().put(STATUS, ERROR).put(MESSAGE, exception.getMessage()));
                     performCircuitBreakerActions(queueName, queuedRequest, FAILURE, state);
                 });