codelipenghui commented on code in PR #20713:
URL: https://github.com/apache/pulsar/pull/20713#discussion_r1259368922
##########
pulsar-broker-auth-sasl/src/main/java/org/apache/pulsar/broker/authentication/AuthenticationProviderSasl.java:
##########
@@ -72,6 +75,10 @@ public class AuthenticationProviderSasl implements
AuthenticationProvider {
private JAASCredentialsContainer jaasCredentialsContainer;
private String loginContextName;
+ private Cache<Long, AuthenticationState> authStates;
+
+ private static final String AUTHENTICATION_SASL_PREFIX =
"authentication_sasl_prefix";
+ private static final long AUTHENTICATION_SASL_DEFAULT_EXPIRE_MS = 60_000;
Review Comment:
We have SASL configurations defined in
[broker.conf](https://github.com/apache/pulsar/blob/master/conf/broker.conf#L885-L899),
why not add a new one to the broker.conf?
##########
pulsar-broker-auth-sasl/src/main/java/org/apache/pulsar/broker/authentication/AuthenticationProviderSasl.java:
##########
@@ -110,6 +117,10 @@ public void initialize(ServiceConfiguration config) throws
IOException {
throw new IllegalArgumentException(msg);
}
this.signer = new SaslRoleTokenSigner(secret);
+ this.authStates = Caffeine.newBuilder()
+ .expireAfterWrite(
+
ServiceConfigurationUtils.getLongPropertyOrDefault(config,
AUTHENTICATION_SASL_PREFIX,
Review Comment:
Why the prefix name is used to get the SASL expiration value? Maybe we need
another name like `saslStatesExpirationInMillis`?
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