tombentley commented on code in PR #13099:
URL: https://github.com/apache/kafka/pull/13099#discussion_r1066808165
##########
clients/src/test/java/org/apache/kafka/common/security/authenticator/SaslServerAuthenticatorTest.java:
##########
@@ -243,6 +243,40 @@ public void testSessionExpiresAtTokenExpiry() throws
IOException {
}
}
+ @Test
+ public void testSessionWontExpiresWithLargeExpirationTime() throws
IOException {
Review Comment:
```suggestion
public void testSessionWontExpireWithLargeExpirationTime() throws
IOException {
```
##########
clients/src/main/java/org/apache/kafka/common/utils/Utils.java:
##########
@@ -1496,4 +1496,32 @@ public static String replaceSuffix(String str, String
oldSuffix, String newSuffi
throw new IllegalArgumentException("Expected string to end with "
+ oldSuffix + " but string is " + str);
return str.substring(0, str.length() - oldSuffix.length()) + newSuffix;
}
+
+ public static long zeroIfNegative(long value) {
+ return Math.max(0L, value);
+ }
+
+ // returns the sum of a and b unless it would overflow, which will return
Long.MAX_VALUE
Review Comment:
Any reason for this not to be a Javadoc?
##########
clients/src/main/java/org/apache/kafka/common/utils/Utils.java:
##########
@@ -1496,4 +1496,32 @@ public static String replaceSuffix(String str, String
oldSuffix, String newSuffi
throw new IllegalArgumentException("Expected string to end with "
+ oldSuffix + " but string is " + str);
return str.substring(0, str.length() - oldSuffix.length()) + newSuffix;
}
+
+ public static long zeroIfNegative(long value) {
+ return Math.max(0L, value);
+ }
+
+ // returns the sum of a and b unless it would overflow, which will return
Long.MAX_VALUE
+ public static long saturatedAdd(long a, long b) {
+ long result = Long.MAX_VALUE;
+ try {
+ result = Math.addExact(a, b);
+ } catch (ArithmeticException e) {
+ log.info("The sum of {} and {} is overflowed, set to
Long.MAX_VALUE", a, b);
Review Comment:
I think this needs more context: If this gets logged how it the reader of
the log supposed to know what went wrong?
Perhaps the way to do it is just to check whether end result of the overall
calculation is `Long.MAX_VALUE` and log the message then. Perhaps it should be
a `warn` too, since it indicates a configuration problem that really should be
fixed; if so we might want to log it only once.
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