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Posted to commits@camel.apache.org by da...@apache.org on 2022/01/14 06:24:24 UTC
[camel] branch main updated: CAMEL-17486: camel-core - ThrottlePermit compareTo cast to int causes issues. Thanks to Marc Boulanger for the patch and unit test.
This is an automated email from the ASF dual-hosted git repository.
davsclaus pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel.git
The following commit(s) were added to refs/heads/main by this push:
new 170f027 CAMEL-17486: camel-core - ThrottlePermit compareTo cast to int causes issues. Thanks to Marc Boulanger for the patch and unit test.
170f027 is described below
commit 170f02722a2c636d44e12615c094a7f5328985ac
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Fri Jan 14 07:19:49 2022 +0100
CAMEL-17486: camel-core - ThrottlePermit compareTo cast to int causes issues. Thanks to Marc Boulanger for the patch and unit test.
---
.../java/org/apache/camel/processor/Throttler.java | 2 +-
.../camel/processor/ThrottlerPermitTest.java | 70 ++++++++++++++++++++++
2 files changed, 71 insertions(+), 1 deletion(-)
diff --git a/core/camel-core-processor/src/main/java/org/apache/camel/processor/Throttler.java b/core/camel-core-processor/src/main/java/org/apache/camel/processor/Throttler.java
index ccfc609..2a77afa 100644
--- a/core/camel-core-processor/src/main/java/org/apache/camel/processor/Throttler.java
+++ b/core/camel-core-processor/src/main/java/org/apache/camel/processor/Throttler.java
@@ -393,7 +393,7 @@ public class Throttler extends AsyncProcessorSupport implements Traceable, IdAwa
@Override
public int compareTo(final Delayed o) {
- return (int) (getDelay(TimeUnit.MILLISECONDS) - o.getDelay(TimeUnit.MILLISECONDS));
+ return Long.compare(getDelay(TimeUnit.MILLISECONDS), o.getDelay(TimeUnit.MILLISECONDS));
}
}
diff --git a/core/camel-core/src/test/java/org/apache/camel/processor/ThrottlerPermitTest.java b/core/camel-core/src/test/java/org/apache/camel/processor/ThrottlerPermitTest.java
new file mode 100644
index 0000000..cf5da58
--- /dev/null
+++ b/core/camel-core/src/test/java/org/apache/camel/processor/ThrottlerPermitTest.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.processor;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.concurrent.Delayed;
+import java.util.concurrent.TimeUnit;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * When a Throttler has not been used for longer than {@link java.lang.Integer#MAX_VALUE},
+ * casting the result of the {@link ThrottlePermit} comparison to an int causes an overflow.
+ * Using a value comparison prevents this issue.
+ */
+public class ThrottlerPermitTest {
+
+ @Test
+ public void testThrottlerPermitWithOldScheduledTime() {
+ long timeMillis = System.currentTimeMillis();
+ // 30 days in the past
+ ThrottlePermit throttlePermitOld = new ThrottlePermit(timeMillis - 2592000000L);
+ // Now
+ ThrottlePermit throttlePermitNow = new ThrottlePermit(timeMillis);
+ ThrottlePermit throttlePermitNow2 = new ThrottlePermit(timeMillis);
+ // Future
+ ThrottlePermit throttlePermitFuture = new ThrottlePermit(timeMillis + 1000);
+
+ assertEquals(-1, throttlePermitOld.compareTo(throttlePermitNow));
+ assertEquals(0, throttlePermitNow.compareTo(throttlePermitNow2));
+ assertEquals(1, throttlePermitFuture.compareTo(throttlePermitNow));
+ }
+
+ private static final class ThrottlePermit implements Delayed {
+ private volatile long scheduledTime;
+
+ ThrottlePermit(final long delayMs) {
+ setDelayMs(delayMs);
+ }
+
+ public void setDelayMs(final long delayMs) {
+ this.scheduledTime = System.currentTimeMillis() + delayMs;
+ }
+
+ @Override
+ public long getDelay(final TimeUnit unit) {
+ return unit.convert(scheduledTime - System.currentTimeMillis(), TimeUnit.MILLISECONDS);
+ }
+
+ @Override
+ public int compareTo(final Delayed o) {
+ return Long.compare(getDelay(TimeUnit.MILLISECONDS), o.getDelay(TimeUnit.MILLISECONDS));
+ }
+ }
+}