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Introduce and evaluate a client presence manager based on sharded pub/sub

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This commit is contained in:
Jon Chambers
2024-11-05 15:51:29 -05:00
committed by GitHub
parent 60cdcf5f0c
commit 8c984cbf42
35 changed files with 1339 additions and 56 deletions
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5
service/src/main/java/org/whispersystems/textsecuregcm/redis/FaultTolerantPubSubClusterConnection.java
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@@ -11,6 +11,7 @@ import io.lettuce.core.cluster.pubsub.StatefulRedisClusterPubSubConnection;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.scheduler.Scheduler;
import java.util.function.Consumer;
public class FaultTolerantPubSubClusterConnection<K, V> extends AbstractFaultTolerantPubSubConnection<K, V, StatefulRedisClusterPubSubConnection<K, V>> {
@@ -32,7 +33,7 @@ public class FaultTolerantPubSubClusterConnection<K, V> extends AbstractFaultTol
this.topologyChangedEventScheduler = topologyChangedEventScheduler;
}
public void subscribeToClusterTopologyChangedEvents(final Runnable eventHandler) {
public void subscribeToClusterTopologyChangedEvents(final Consumer<ClusterTopologyChangedEvent> eventHandler) {
usePubSubConnection(connection -> connection.getResources().eventBus().get()
.filter(event -> {
@@ -53,7 +54,7 @@ public class FaultTolerantPubSubClusterConnection<K, V> extends AbstractFaultTol
resubscribeRetry.executeRunnable(() -> {
try {
eventHandler.run();
eventHandler.accept((ClusterTopologyChangedEvent) event);
} catch (final RuntimeException e) {
logger.warn("Resubscribe for {} failed", getName(), e);
throw e;

7
service/src/main/java/org/whispersystems/textsecuregcm/redis/FaultTolerantRedisClusterClient.java
View File

@@ -202,4 +202,11 @@ public class FaultTolerantRedisClusterClient {
Schedulers.newSingle(name + "-redisPubSubEvents", true));
}
public FaultTolerantPubSubClusterConnection<byte[], byte[]> createBinaryPubSubConnection() {
final StatefulRedisClusterPubSubConnection<byte[], byte[]> pubSubConnection = clusterClient.connectPubSub(ByteArrayCodec.INSTANCE);
pubSubConnections.add(pubSubConnection);
return new FaultTolerantPubSubClusterConnection<>(name, pubSubConnection, topologyChangedEventRetry,
Schedulers.newSingle(name + "-redisPubSubEvents", true));
}
}