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AuthorityRuleManager并发场景下动态更新黑白名单，可能会导致黑白名单验证失效 #2655

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merged 1 commit into from
Apr 6, 2022
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AuthorityRuleManager并发场景下动态更新黑白名单，可能会导致黑白名单验证失效 #2655

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16 changes: 4 additions & 12 deletions ...re/src/main/java/com/alibaba/csp/sentinel/slots/block/authority/AuthorityRuleManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@
*/
public final class AuthorityRuleManager {

private static Map<String, Set<AuthorityRule>> authorityRules = new ConcurrentHashMap<>();
private static volatile Map<String, Set<AuthorityRule>> authorityRules = new ConcurrentHashMap<>();

private static final RulePropertyListener LISTENER = new RulePropertyListener();
private static SentinelProperty<List<AuthorityRule>> currentProperty = new DynamicSentinelProperty<>();
Expand Down Expand Up @@ -93,12 +93,8 @@ private static class RulePropertyListener implements PropertyListener<List<Autho

@Override
public void configUpdate(List<AuthorityRule> conf) {
Map<String, Set<AuthorityRule>> rules = loadAuthorityConf(conf);

authorityRules.clear();
if (rules != null) {
authorityRules.putAll(rules);
}
authorityRules = loadAuthorityConf(conf);

RecordLog.info("[AuthorityRuleManager] Authority rules received: {}", authorityRules);
}

Expand Down Expand Up @@ -137,12 +133,8 @@ private Map<String, Set<AuthorityRule>> loadAuthorityConf(List<AuthorityRule> li

@Override
public void configLoad(List<AuthorityRule> value) {
Map<String, Set<AuthorityRule>> rules = loadAuthorityConf(value);
authorityRules = loadAuthorityConf(value);

authorityRules.clear();
if (rules != null) {
authorityRules.putAll(rules);
}
RecordLog.info("[AuthorityRuleManager] Load authority rules: {}", authorityRules);
}
}
Expand Down