mirror of
https://github.com/signalapp/Signal-Server
synced 2026-04-20 04:08:04 +01:00
apply editorconfig formatting
This commit is contained in:
Chris Eager
Chris Eager
@@ -47,99 +47,105 @@ import org.whispersystems.textsecuregcm.util.RedisClusterUtil;
|
||||
|
||||
public class MessagesCache extends RedisClusterPubSubAdapter<String, String> implements Managed {
|
||||
|
||||
private final FaultTolerantRedisCluster readDeleteCluster;
|
||||
private final FaultTolerantPubSubConnection<String, String> pubSubConnection;
|
||||
private final FaultTolerantRedisCluster readDeleteCluster;
|
||||
private final FaultTolerantPubSubConnection<String, String> pubSubConnection;
|
||||
|
||||
private final ExecutorService notificationExecutorService;
|
||||
private final ExecutorService notificationExecutorService;
|
||||
|
||||
private final ClusterLuaScript insertScript;
|
||||
private final ClusterLuaScript removeByGuidScript;
|
||||
private final ClusterLuaScript getItemsScript;
|
||||
private final ClusterLuaScript removeQueueScript;
|
||||
private final ClusterLuaScript getQueuesToPersistScript;
|
||||
private final ClusterLuaScript insertScript;
|
||||
private final ClusterLuaScript removeByGuidScript;
|
||||
private final ClusterLuaScript getItemsScript;
|
||||
private final ClusterLuaScript removeQueueScript;
|
||||
private final ClusterLuaScript getQueuesToPersistScript;
|
||||
|
||||
private final Map<String, MessageAvailabilityListener> messageListenersByQueueName = new HashMap<>();
|
||||
private final Map<MessageAvailabilityListener, String> queueNamesByMessageListener = new IdentityHashMap<>();
|
||||
private final Map<String, MessageAvailabilityListener> messageListenersByQueueName = new HashMap<>();
|
||||
private final Map<MessageAvailabilityListener, String> queueNamesByMessageListener = new IdentityHashMap<>();
|
||||
|
||||
private final Timer insertTimer = Metrics.timer(name(MessagesCache.class, "insert"));
|
||||
private final Timer getMessagesTimer = Metrics.timer(name(MessagesCache.class, "get"));
|
||||
private final Timer getQueuesToPersistTimer = Metrics.timer(name(MessagesCache.class, "getQueuesToPersist"));
|
||||
private final Timer clearQueueTimer = Metrics.timer(name(MessagesCache.class, "clear"));
|
||||
private final Counter pubSubMessageCounter = Metrics.counter(name(MessagesCache.class, "pubSubMessage"));
|
||||
private final Counter newMessageNotificationCounter = Metrics.counter(name(MessagesCache.class, "newMessageNotification"));
|
||||
private final Counter queuePersistedNotificationCounter = Metrics.counter(
|
||||
name(MessagesCache.class, "queuePersisted"));
|
||||
private final Timer insertTimer = Metrics.timer(name(MessagesCache.class, "insert"));
|
||||
private final Timer getMessagesTimer = Metrics.timer(name(MessagesCache.class, "get"));
|
||||
private final Timer getQueuesToPersistTimer = Metrics.timer(name(MessagesCache.class, "getQueuesToPersist"));
|
||||
private final Timer clearQueueTimer = Metrics.timer(name(MessagesCache.class, "clear"));
|
||||
private final Counter pubSubMessageCounter = Metrics.counter(name(MessagesCache.class, "pubSubMessage"));
|
||||
private final Counter newMessageNotificationCounter = Metrics.counter(
|
||||
name(MessagesCache.class, "newMessageNotification"));
|
||||
private final Counter queuePersistedNotificationCounter = Metrics.counter(
|
||||
name(MessagesCache.class, "queuePersisted"));
|
||||
private final Counter staleEphemeralMessagesCounter = Metrics.counter(
|
||||
name(MessagesCache.class, "staleEphemeralMessages"));
|
||||
|
||||
static final String NEXT_SLOT_TO_PERSIST_KEY = "user_queue_persist_slot";
|
||||
private static final byte[] LOCK_VALUE = "1".getBytes(StandardCharsets.UTF_8);
|
||||
static final String NEXT_SLOT_TO_PERSIST_KEY = "user_queue_persist_slot";
|
||||
private static final byte[] LOCK_VALUE = "1".getBytes(StandardCharsets.UTF_8);
|
||||
|
||||
private static final String QUEUE_KEYSPACE_PREFIX = "__keyspace@0__:user_queue::";
|
||||
private static final String PERSISTING_KEYSPACE_PREFIX = "__keyspace@0__:user_queue_persisting::";
|
||||
private static final String QUEUE_KEYSPACE_PREFIX = "__keyspace@0__:user_queue::";
|
||||
private static final String PERSISTING_KEYSPACE_PREFIX = "__keyspace@0__:user_queue_persisting::";
|
||||
|
||||
private static final Duration MAX_EPHEMERAL_MESSAGE_DELAY = Duration.ofSeconds(10);
|
||||
private static final Duration MAX_EPHEMERAL_MESSAGE_DELAY = Duration.ofSeconds(10);
|
||||
|
||||
private static final String REMOVE_TIMER_NAME = name(MessagesCache.class, "remove");
|
||||
private static final String REMOVE_TIMER_NAME = name(MessagesCache.class, "remove");
|
||||
|
||||
private static final String REMOVE_METHOD_TAG = "method";
|
||||
private static final String REMOVE_METHOD_UUID = "uuid";
|
||||
private static final String REMOVE_METHOD_TAG = "method";
|
||||
private static final String REMOVE_METHOD_UUID = "uuid";
|
||||
|
||||
private static final Logger logger = LoggerFactory.getLogger(MessagesCache.class);
|
||||
private static final Logger logger = LoggerFactory.getLogger(MessagesCache.class);
|
||||
|
||||
public MessagesCache(final FaultTolerantRedisCluster insertCluster, final FaultTolerantRedisCluster readDeleteCluster, final ExecutorService notificationExecutorService) throws IOException {
|
||||
public MessagesCache(final FaultTolerantRedisCluster insertCluster, final FaultTolerantRedisCluster readDeleteCluster,
|
||||
final ExecutorService notificationExecutorService) throws IOException {
|
||||
|
||||
this.readDeleteCluster = readDeleteCluster;
|
||||
this.pubSubConnection = readDeleteCluster.createPubSubConnection();
|
||||
this.readDeleteCluster = readDeleteCluster;
|
||||
this.pubSubConnection = readDeleteCluster.createPubSubConnection();
|
||||
|
||||
this.notificationExecutorService = notificationExecutorService;
|
||||
this.notificationExecutorService = notificationExecutorService;
|
||||
|
||||
this.insertScript = ClusterLuaScript.fromResource(insertCluster, "lua/insert_item.lua", ScriptOutputType.INTEGER);
|
||||
this.removeByGuidScript = ClusterLuaScript.fromResource(readDeleteCluster, "lua/remove_item_by_guid.lua", ScriptOutputType.MULTI);
|
||||
this.getItemsScript = ClusterLuaScript.fromResource(readDeleteCluster, "lua/get_items.lua", ScriptOutputType.MULTI);
|
||||
this.removeQueueScript = ClusterLuaScript.fromResource(readDeleteCluster, "lua/remove_queue.lua", ScriptOutputType.STATUS);
|
||||
this.getQueuesToPersistScript = ClusterLuaScript.fromResource(readDeleteCluster, "lua/get_queues_to_persist.lua", ScriptOutputType.MULTI);
|
||||
this.insertScript = ClusterLuaScript.fromResource(insertCluster, "lua/insert_item.lua", ScriptOutputType.INTEGER);
|
||||
this.removeByGuidScript = ClusterLuaScript.fromResource(readDeleteCluster, "lua/remove_item_by_guid.lua",
|
||||
ScriptOutputType.MULTI);
|
||||
this.getItemsScript = ClusterLuaScript.fromResource(readDeleteCluster, "lua/get_items.lua", ScriptOutputType.MULTI);
|
||||
this.removeQueueScript = ClusterLuaScript.fromResource(readDeleteCluster, "lua/remove_queue.lua",
|
||||
ScriptOutputType.STATUS);
|
||||
this.getQueuesToPersistScript = ClusterLuaScript.fromResource(readDeleteCluster, "lua/get_queues_to_persist.lua",
|
||||
ScriptOutputType.MULTI);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void start() {
|
||||
pubSubConnection.usePubSubConnection(connection -> {
|
||||
connection.addListener(this);
|
||||
connection.getResources().eventBus().get()
|
||||
.filter(event -> event instanceof ClusterTopologyChangedEvent)
|
||||
.subscribe(event -> resubscribeAll());
|
||||
});
|
||||
}
|
||||
|
||||
@Override
|
||||
public void stop() {
|
||||
pubSubConnection.usePubSubConnection(connection -> connection.sync().upstream().commands().unsubscribe());
|
||||
}
|
||||
|
||||
private void resubscribeAll() {
|
||||
logger.info("Got topology change event, resubscribing all keyspace notifications");
|
||||
|
||||
final Set<String> queueNames;
|
||||
|
||||
synchronized (messageListenersByQueueName) {
|
||||
queueNames = new HashSet<>(messageListenersByQueueName.keySet());
|
||||
}
|
||||
|
||||
@Override
|
||||
public void start() {
|
||||
pubSubConnection.usePubSubConnection(connection -> {
|
||||
connection.addListener(this);
|
||||
connection.getResources().eventBus().get()
|
||||
.filter(event -> event instanceof ClusterTopologyChangedEvent)
|
||||
.subscribe(event -> resubscribeAll());
|
||||
});
|
||||
for (final String queueName : queueNames) {
|
||||
subscribeForKeyspaceNotifications(queueName);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void stop() {
|
||||
pubSubConnection.usePubSubConnection(connection -> connection.sync().upstream().commands().unsubscribe());
|
||||
}
|
||||
|
||||
private void resubscribeAll() {
|
||||
logger.info("Got topology change event, resubscribing all keyspace notifications");
|
||||
|
||||
final Set<String> queueNames;
|
||||
|
||||
synchronized (messageListenersByQueueName) {
|
||||
queueNames = new HashSet<>(messageListenersByQueueName.keySet());
|
||||
}
|
||||
|
||||
for (final String queueName : queueNames) {
|
||||
subscribeForKeyspaceNotifications(queueName);
|
||||
}
|
||||
}
|
||||
|
||||
public long insert(final UUID guid, final UUID destinationUuid, final long destinationDevice, final MessageProtos.Envelope message) {
|
||||
final MessageProtos.Envelope messageWithGuid = message.toBuilder().setServerGuid(guid.toString()).build();
|
||||
return (long) insertTimer.record(() ->
|
||||
insertScript.executeBinary(List.of(getMessageQueueKey(destinationUuid, destinationDevice),
|
||||
getMessageQueueMetadataKey(destinationUuid, destinationDevice),
|
||||
getQueueIndexKey(destinationUuid, destinationDevice)),
|
||||
List.of(messageWithGuid.toByteArray(),
|
||||
String.valueOf(message.getTimestamp()).getBytes(StandardCharsets.UTF_8),
|
||||
guid.toString().getBytes(StandardCharsets.UTF_8))));
|
||||
}
|
||||
public long insert(final UUID guid, final UUID destinationUuid, final long destinationDevice,
|
||||
final MessageProtos.Envelope message) {
|
||||
final MessageProtos.Envelope messageWithGuid = message.toBuilder().setServerGuid(guid.toString()).build();
|
||||
return (long) insertTimer.record(() ->
|
||||
insertScript.executeBinary(List.of(getMessageQueueKey(destinationUuid, destinationDevice),
|
||||
getMessageQueueMetadataKey(destinationUuid, destinationDevice),
|
||||
getQueueIndexKey(destinationUuid, destinationDevice)),
|
||||
List.of(messageWithGuid.toByteArray(),
|
||||
String.valueOf(message.getTimestamp()).getBytes(StandardCharsets.UTF_8),
|
||||
guid.toString().getBytes(StandardCharsets.UTF_8))));
|
||||
}
|
||||
|
||||
public Optional<OutgoingMessageEntity> remove(final UUID destinationUuid, final long destinationDevice,
|
||||
final UUID messageGuid) {
|
||||
@@ -170,247 +176,261 @@ public class MessagesCache extends RedisClusterPubSubAdapter<String, String> imp
|
||||
return removedMessages;
|
||||
}
|
||||
|
||||
public boolean hasMessages(final UUID destinationUuid, final long destinationDevice) {
|
||||
return readDeleteCluster.withBinaryCluster(connection -> connection.sync().zcard(getMessageQueueKey(destinationUuid, destinationDevice)) > 0);
|
||||
}
|
||||
public boolean hasMessages(final UUID destinationUuid, final long destinationDevice) {
|
||||
return readDeleteCluster.withBinaryCluster(
|
||||
connection -> connection.sync().zcard(getMessageQueueKey(destinationUuid, destinationDevice)) > 0);
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
public List<OutgoingMessageEntity> get(final UUID destinationUuid, final long destinationDevice, final int limit) {
|
||||
return getMessagesTimer.record(() -> {
|
||||
final List<byte[]> queueItems = (List<byte[]>)getItemsScript.executeBinary(List.of(getMessageQueueKey(destinationUuid, destinationDevice),
|
||||
getPersistInProgressKey(destinationUuid, destinationDevice)),
|
||||
List.of(String.valueOf(limit).getBytes(StandardCharsets.UTF_8)));
|
||||
@SuppressWarnings("unchecked")
|
||||
public List<OutgoingMessageEntity> get(final UUID destinationUuid, final long destinationDevice, final int limit) {
|
||||
return getMessagesTimer.record(() -> {
|
||||
final List<byte[]> queueItems = (List<byte[]>) getItemsScript.executeBinary(
|
||||
List.of(getMessageQueueKey(destinationUuid, destinationDevice),
|
||||
getPersistInProgressKey(destinationUuid, destinationDevice)),
|
||||
List.of(String.valueOf(limit).getBytes(StandardCharsets.UTF_8)));
|
||||
|
||||
final long earliestAllowableEphemeralTimestamp = System.currentTimeMillis() - MAX_EPHEMERAL_MESSAGE_DELAY.toMillis();
|
||||
final long earliestAllowableEphemeralTimestamp =
|
||||
System.currentTimeMillis() - MAX_EPHEMERAL_MESSAGE_DELAY.toMillis();
|
||||
|
||||
final List<OutgoingMessageEntity> messageEntities;
|
||||
final List<UUID> staleEphemeralMessageGuids = new ArrayList<>();
|
||||
final List<OutgoingMessageEntity> messageEntities;
|
||||
final List<UUID> staleEphemeralMessageGuids = new ArrayList<>();
|
||||
|
||||
if (queueItems.size() % 2 == 0) {
|
||||
messageEntities = new ArrayList<>(queueItems.size() / 2);
|
||||
|
||||
for (int i = 0; i < queueItems.size() - 1; i += 2) {
|
||||
try {
|
||||
final MessageProtos.Envelope message = MessageProtos.Envelope.parseFrom(queueItems.get(i));
|
||||
if (message.getEphemeral() && message.getTimestamp() < earliestAllowableEphemeralTimestamp) {
|
||||
staleEphemeralMessageGuids.add(UUID.fromString(message.getServerGuid()));
|
||||
continue;
|
||||
}
|
||||
|
||||
final long id = Long.parseLong(new String(queueItems.get(i + 1), StandardCharsets.UTF_8));
|
||||
|
||||
messageEntities.add(constructEntityFromEnvelope(id, message));
|
||||
} catch (InvalidProtocolBufferException e) {
|
||||
logger.warn("Failed to parse envelope", e);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
logger.error("\"Get messages\" operation returned a list with a non-even number of elements.");
|
||||
messageEntities = Collections.emptyList();
|
||||
}
|
||||
if (queueItems.size() % 2 == 0) {
|
||||
messageEntities = new ArrayList<>(queueItems.size() / 2);
|
||||
|
||||
for (int i = 0; i < queueItems.size() - 1; i += 2) {
|
||||
try {
|
||||
remove(destinationUuid, destinationDevice, staleEphemeralMessageGuids);
|
||||
staleEphemeralMessagesCounter.increment(staleEphemeralMessageGuids.size());
|
||||
} catch (final Throwable e) {
|
||||
logger.warn("Could not remove stale ephemeral messages from cache", e);
|
||||
final MessageProtos.Envelope message = MessageProtos.Envelope.parseFrom(queueItems.get(i));
|
||||
if (message.getEphemeral() && message.getTimestamp() < earliestAllowableEphemeralTimestamp) {
|
||||
staleEphemeralMessageGuids.add(UUID.fromString(message.getServerGuid()));
|
||||
continue;
|
||||
}
|
||||
|
||||
final long id = Long.parseLong(new String(queueItems.get(i + 1), StandardCharsets.UTF_8));
|
||||
|
||||
messageEntities.add(constructEntityFromEnvelope(id, message));
|
||||
} catch (InvalidProtocolBufferException e) {
|
||||
logger.warn("Failed to parse envelope", e);
|
||||
}
|
||||
|
||||
return messageEntities;
|
||||
});
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
List<MessageProtos.Envelope> getMessagesToPersist(final UUID accountUuid, final long destinationDevice, final int limit) {
|
||||
return getMessagesTimer.record(() -> {
|
||||
final List<ScoredValue<byte[]>> scoredMessages = readDeleteCluster.withBinaryCluster(connection -> connection.sync().zrangeWithScores(getMessageQueueKey(accountUuid, destinationDevice), 0, limit));
|
||||
final List<MessageProtos.Envelope> envelopes = new ArrayList<>(scoredMessages.size());
|
||||
|
||||
for (final ScoredValue<byte[]> scoredMessage : scoredMessages) {
|
||||
try {
|
||||
envelopes.add(MessageProtos.Envelope.parseFrom(scoredMessage.getValue()));
|
||||
} catch (InvalidProtocolBufferException e) {
|
||||
logger.warn("Failed to parse envelope", e);
|
||||
}
|
||||
}
|
||||
|
||||
return envelopes;
|
||||
});
|
||||
}
|
||||
|
||||
public void clear(final UUID destinationUuid) {
|
||||
// TODO Remove null check in a fully UUID-based world
|
||||
if (destinationUuid != null) {
|
||||
for (int i = 1; i < 256; i++) {
|
||||
clear(destinationUuid, i);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
logger.error("\"Get messages\" operation returned a list with a non-even number of elements.");
|
||||
messageEntities = Collections.emptyList();
|
||||
}
|
||||
|
||||
public void clear(final UUID destinationUuid, final long deviceId) {
|
||||
clearQueueTimer.record(() ->
|
||||
removeQueueScript.executeBinary(List.of(getMessageQueueKey(destinationUuid, deviceId),
|
||||
getMessageQueueMetadataKey(destinationUuid, deviceId),
|
||||
getQueueIndexKey(destinationUuid, deviceId)),
|
||||
Collections.emptyList()));
|
||||
}
|
||||
try {
|
||||
remove(destinationUuid, destinationDevice, staleEphemeralMessageGuids);
|
||||
staleEphemeralMessagesCounter.increment(staleEphemeralMessageGuids.size());
|
||||
} catch (final Throwable e) {
|
||||
logger.warn("Could not remove stale ephemeral messages from cache", e);
|
||||
}
|
||||
|
||||
int getNextSlotToPersist() {
|
||||
return (int)(readDeleteCluster.withCluster(connection -> connection.sync().incr(NEXT_SLOT_TO_PERSIST_KEY)) % SlotHash.SLOT_COUNT);
|
||||
}
|
||||
return messageEntities;
|
||||
});
|
||||
}
|
||||
|
||||
List<String> getQueuesToPersist(final int slot, final Instant maxTime, final int limit) {
|
||||
//noinspection unchecked
|
||||
return getQueuesToPersistTimer.record(() -> (List<String>)getQueuesToPersistScript.execute(List.of(new String(getQueueIndexKey(slot), StandardCharsets.UTF_8)),
|
||||
List.of(String.valueOf(maxTime.toEpochMilli()),
|
||||
String.valueOf(limit))));
|
||||
}
|
||||
@VisibleForTesting
|
||||
List<MessageProtos.Envelope> getMessagesToPersist(final UUID accountUuid, final long destinationDevice,
|
||||
final int limit) {
|
||||
return getMessagesTimer.record(() -> {
|
||||
final List<ScoredValue<byte[]>> scoredMessages = readDeleteCluster.withBinaryCluster(
|
||||
connection -> connection.sync()
|
||||
.zrangeWithScores(getMessageQueueKey(accountUuid, destinationDevice), 0, limit));
|
||||
final List<MessageProtos.Envelope> envelopes = new ArrayList<>(scoredMessages.size());
|
||||
|
||||
void addQueueToPersist(final UUID accountUuid, final long deviceId) {
|
||||
readDeleteCluster.useBinaryCluster(connection -> connection.sync().zadd(getQueueIndexKey(accountUuid, deviceId), ZAddArgs.Builder.nx(), System.currentTimeMillis(), getMessageQueueKey(accountUuid, deviceId)));
|
||||
}
|
||||
|
||||
void lockQueueForPersistence(final UUID accountUuid, final long deviceId) {
|
||||
readDeleteCluster.useBinaryCluster(connection -> connection.sync().setex(getPersistInProgressKey(accountUuid, deviceId), 30, LOCK_VALUE));
|
||||
}
|
||||
|
||||
void unlockQueueForPersistence(final UUID accountUuid, final long deviceId) {
|
||||
readDeleteCluster.useBinaryCluster(connection -> connection.sync().del(getPersistInProgressKey(accountUuid, deviceId)));
|
||||
}
|
||||
|
||||
public void addMessageAvailabilityListener(final UUID destinationUuid, final long deviceId, final MessageAvailabilityListener listener) {
|
||||
final String queueName = getQueueName(destinationUuid, deviceId);
|
||||
|
||||
synchronized (messageListenersByQueueName) {
|
||||
messageListenersByQueueName.put(queueName, listener);
|
||||
queueNamesByMessageListener.put(listener, queueName);
|
||||
for (final ScoredValue<byte[]> scoredMessage : scoredMessages) {
|
||||
try {
|
||||
envelopes.add(MessageProtos.Envelope.parseFrom(scoredMessage.getValue()));
|
||||
} catch (InvalidProtocolBufferException e) {
|
||||
logger.warn("Failed to parse envelope", e);
|
||||
}
|
||||
}
|
||||
|
||||
subscribeForKeyspaceNotifications(queueName);
|
||||
return envelopes;
|
||||
});
|
||||
}
|
||||
|
||||
public void clear(final UUID destinationUuid) {
|
||||
// TODO Remove null check in a fully UUID-based world
|
||||
if (destinationUuid != null) {
|
||||
for (int i = 1; i < 256; i++) {
|
||||
clear(destinationUuid, i);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void clear(final UUID destinationUuid, final long deviceId) {
|
||||
clearQueueTimer.record(() ->
|
||||
removeQueueScript.executeBinary(List.of(getMessageQueueKey(destinationUuid, deviceId),
|
||||
getMessageQueueMetadataKey(destinationUuid, deviceId),
|
||||
getQueueIndexKey(destinationUuid, deviceId)),
|
||||
Collections.emptyList()));
|
||||
}
|
||||
|
||||
int getNextSlotToPersist() {
|
||||
return (int) (readDeleteCluster.withCluster(connection -> connection.sync().incr(NEXT_SLOT_TO_PERSIST_KEY))
|
||||
% SlotHash.SLOT_COUNT);
|
||||
}
|
||||
|
||||
List<String> getQueuesToPersist(final int slot, final Instant maxTime, final int limit) {
|
||||
//noinspection unchecked
|
||||
return getQueuesToPersistTimer.record(() -> (List<String>) getQueuesToPersistScript.execute(
|
||||
List.of(new String(getQueueIndexKey(slot), StandardCharsets.UTF_8)),
|
||||
List.of(String.valueOf(maxTime.toEpochMilli()),
|
||||
String.valueOf(limit))));
|
||||
}
|
||||
|
||||
void addQueueToPersist(final UUID accountUuid, final long deviceId) {
|
||||
readDeleteCluster.useBinaryCluster(connection -> connection.sync()
|
||||
.zadd(getQueueIndexKey(accountUuid, deviceId), ZAddArgs.Builder.nx(), System.currentTimeMillis(),
|
||||
getMessageQueueKey(accountUuid, deviceId)));
|
||||
}
|
||||
|
||||
void lockQueueForPersistence(final UUID accountUuid, final long deviceId) {
|
||||
readDeleteCluster.useBinaryCluster(
|
||||
connection -> connection.sync().setex(getPersistInProgressKey(accountUuid, deviceId), 30, LOCK_VALUE));
|
||||
}
|
||||
|
||||
void unlockQueueForPersistence(final UUID accountUuid, final long deviceId) {
|
||||
readDeleteCluster.useBinaryCluster(
|
||||
connection -> connection.sync().del(getPersistInProgressKey(accountUuid, deviceId)));
|
||||
}
|
||||
|
||||
public void addMessageAvailabilityListener(final UUID destinationUuid, final long deviceId,
|
||||
final MessageAvailabilityListener listener) {
|
||||
final String queueName = getQueueName(destinationUuid, deviceId);
|
||||
|
||||
synchronized (messageListenersByQueueName) {
|
||||
messageListenersByQueueName.put(queueName, listener);
|
||||
queueNamesByMessageListener.put(listener, queueName);
|
||||
}
|
||||
|
||||
public void removeMessageAvailabilityListener(final MessageAvailabilityListener listener) {
|
||||
final String queueName = queueNamesByMessageListener.remove(listener);
|
||||
subscribeForKeyspaceNotifications(queueName);
|
||||
}
|
||||
|
||||
unsubscribeFromKeyspaceNotifications(queueName);
|
||||
public void removeMessageAvailabilityListener(final MessageAvailabilityListener listener) {
|
||||
final String queueName = queueNamesByMessageListener.remove(listener);
|
||||
|
||||
synchronized (messageListenersByQueueName) {
|
||||
if (queueName != null) {
|
||||
messageListenersByQueueName.remove(queueName);
|
||||
}
|
||||
unsubscribeFromKeyspaceNotifications(queueName);
|
||||
|
||||
synchronized (messageListenersByQueueName) {
|
||||
if (queueName != null) {
|
||||
messageListenersByQueueName.remove(queueName);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void subscribeForKeyspaceNotifications(final String queueName) {
|
||||
final int slot = SlotHash.getSlot(queueName);
|
||||
|
||||
pubSubConnection.usePubSubConnection(
|
||||
connection -> connection.sync().nodes(node -> node.is(RedisClusterNode.NodeFlag.UPSTREAM) && node.hasSlot(slot))
|
||||
.commands()
|
||||
.subscribe(getKeyspaceChannels(queueName)));
|
||||
}
|
||||
|
||||
private void unsubscribeFromKeyspaceNotifications(final String queueName) {
|
||||
pubSubConnection.usePubSubConnection(connection -> connection.sync().upstream()
|
||||
.commands()
|
||||
.unsubscribe(getKeyspaceChannels(queueName)));
|
||||
}
|
||||
|
||||
private static String[] getKeyspaceChannels(final String queueName) {
|
||||
return new String[]{
|
||||
QUEUE_KEYSPACE_PREFIX + "{" + queueName + "}",
|
||||
PERSISTING_KEYSPACE_PREFIX + "{" + queueName + "}"
|
||||
};
|
||||
}
|
||||
|
||||
@Override
|
||||
public void message(final RedisClusterNode node, final String channel, final String message) {
|
||||
pubSubMessageCounter.increment();
|
||||
|
||||
if (channel.startsWith(QUEUE_KEYSPACE_PREFIX) && "zadd".equals(message)) {
|
||||
newMessageNotificationCounter.increment();
|
||||
notificationExecutorService.execute(() -> {
|
||||
try {
|
||||
findListener(channel).ifPresent(MessageAvailabilityListener::handleNewMessagesAvailable);
|
||||
} catch (final Exception e) {
|
||||
logger.warn("Unexpected error handling new message", e);
|
||||
}
|
||||
}
|
||||
|
||||
private void subscribeForKeyspaceNotifications(final String queueName) {
|
||||
final int slot = SlotHash.getSlot(queueName);
|
||||
|
||||
pubSubConnection.usePubSubConnection(connection -> connection.sync().nodes(node -> node.is(RedisClusterNode.NodeFlag.UPSTREAM) && node.hasSlot(slot))
|
||||
.commands()
|
||||
.subscribe(getKeyspaceChannels(queueName)));
|
||||
}
|
||||
|
||||
private void unsubscribeFromKeyspaceNotifications(final String queueName) {
|
||||
pubSubConnection.usePubSubConnection(connection -> connection.sync().upstream()
|
||||
.commands()
|
||||
.unsubscribe(getKeyspaceChannels(queueName)));
|
||||
}
|
||||
|
||||
private static String[] getKeyspaceChannels(final String queueName) {
|
||||
return new String[] {
|
||||
QUEUE_KEYSPACE_PREFIX + "{" + queueName + "}",
|
||||
PERSISTING_KEYSPACE_PREFIX + "{" + queueName + "}"
|
||||
};
|
||||
}
|
||||
|
||||
@Override
|
||||
public void message(final RedisClusterNode node, final String channel, final String message) {
|
||||
pubSubMessageCounter.increment();
|
||||
|
||||
if (channel.startsWith(QUEUE_KEYSPACE_PREFIX) && "zadd".equals(message)) {
|
||||
newMessageNotificationCounter.increment();
|
||||
notificationExecutorService.execute(() -> {
|
||||
try {
|
||||
findListener(channel).ifPresent(MessageAvailabilityListener::handleNewMessagesAvailable);
|
||||
} catch (final Exception e) {
|
||||
logger.warn("Unexpected error handling new message", e);
|
||||
}
|
||||
});
|
||||
} else if (channel.startsWith(PERSISTING_KEYSPACE_PREFIX) && "del".equals(message)) {
|
||||
queuePersistedNotificationCounter.increment();
|
||||
notificationExecutorService.execute(() -> {
|
||||
try {
|
||||
findListener(channel).ifPresent(MessageAvailabilityListener::handleMessagesPersisted);
|
||||
} catch (final Exception e) {
|
||||
logger.warn("Unexpected error handling messages persisted", e);
|
||||
}
|
||||
});
|
||||
});
|
||||
} else if (channel.startsWith(PERSISTING_KEYSPACE_PREFIX) && "del".equals(message)) {
|
||||
queuePersistedNotificationCounter.increment();
|
||||
notificationExecutorService.execute(() -> {
|
||||
try {
|
||||
findListener(channel).ifPresent(MessageAvailabilityListener::handleMessagesPersisted);
|
||||
} catch (final Exception e) {
|
||||
logger.warn("Unexpected error handling messages persisted", e);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
private Optional<MessageAvailabilityListener> findListener(final String keyspaceChannel) {
|
||||
final String queueName = getQueueNameFromKeyspaceChannel(keyspaceChannel);
|
||||
private Optional<MessageAvailabilityListener> findListener(final String keyspaceChannel) {
|
||||
final String queueName = getQueueNameFromKeyspaceChannel(keyspaceChannel);
|
||||
|
||||
synchronized (messageListenersByQueueName) {
|
||||
return Optional.ofNullable(messageListenersByQueueName.get(queueName));
|
||||
}
|
||||
synchronized (messageListenersByQueueName) {
|
||||
return Optional.ofNullable(messageListenersByQueueName.get(queueName));
|
||||
}
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
static OutgoingMessageEntity constructEntityFromEnvelope(long id, MessageProtos.Envelope envelope) {
|
||||
return new OutgoingMessageEntity(id, true,
|
||||
envelope.hasServerGuid() ? UUID.fromString(envelope.getServerGuid()) : null,
|
||||
envelope.getType().getNumber(),
|
||||
envelope.getRelay(),
|
||||
envelope.getTimestamp(),
|
||||
envelope.getSource(),
|
||||
envelope.hasSourceUuid() ? UUID.fromString(envelope.getSourceUuid()) : null,
|
||||
envelope.getSourceDevice(),
|
||||
envelope.hasLegacyMessage() ? envelope.getLegacyMessage().toByteArray() : null,
|
||||
envelope.hasContent() ? envelope.getContent().toByteArray() : null,
|
||||
envelope.hasServerTimestamp() ? envelope.getServerTimestamp() : 0);
|
||||
}
|
||||
@VisibleForTesting
|
||||
static OutgoingMessageEntity constructEntityFromEnvelope(long id, MessageProtos.Envelope envelope) {
|
||||
return new OutgoingMessageEntity(id, true,
|
||||
envelope.hasServerGuid() ? UUID.fromString(envelope.getServerGuid()) : null,
|
||||
envelope.getType().getNumber(),
|
||||
envelope.getRelay(),
|
||||
envelope.getTimestamp(),
|
||||
envelope.getSource(),
|
||||
envelope.hasSourceUuid() ? UUID.fromString(envelope.getSourceUuid()) : null,
|
||||
envelope.getSourceDevice(),
|
||||
envelope.hasLegacyMessage() ? envelope.getLegacyMessage().toByteArray() : null,
|
||||
envelope.hasContent() ? envelope.getContent().toByteArray() : null,
|
||||
envelope.hasServerTimestamp() ? envelope.getServerTimestamp() : 0);
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
static String getQueueName(final UUID accountUuid, final long deviceId) {
|
||||
return accountUuid + "::" + deviceId;
|
||||
}
|
||||
@VisibleForTesting
|
||||
static String getQueueName(final UUID accountUuid, final long deviceId) {
|
||||
return accountUuid + "::" + deviceId;
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
static String getQueueNameFromKeyspaceChannel(final String channel) {
|
||||
final int startOfHashTag = channel.indexOf('{');
|
||||
final int endOfHashTag = channel.lastIndexOf('}');
|
||||
@VisibleForTesting
|
||||
static String getQueueNameFromKeyspaceChannel(final String channel) {
|
||||
final int startOfHashTag = channel.indexOf('{');
|
||||
final int endOfHashTag = channel.lastIndexOf('}');
|
||||
|
||||
return channel.substring(startOfHashTag + 1, endOfHashTag);
|
||||
}
|
||||
return channel.substring(startOfHashTag + 1, endOfHashTag);
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
static byte[] getMessageQueueKey(final UUID accountUuid, final long deviceId) {
|
||||
return ("user_queue::{" + accountUuid.toString() + "::" + deviceId + "}").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
@VisibleForTesting
|
||||
static byte[] getMessageQueueKey(final UUID accountUuid, final long deviceId) {
|
||||
return ("user_queue::{" + accountUuid.toString() + "::" + deviceId + "}").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
|
||||
private static byte[] getMessageQueueMetadataKey(final UUID accountUuid, final long deviceId) {
|
||||
return ("user_queue_metadata::{" + accountUuid.toString() + "::" + deviceId + "}").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
private static byte[] getMessageQueueMetadataKey(final UUID accountUuid, final long deviceId) {
|
||||
return ("user_queue_metadata::{" + accountUuid.toString() + "::" + deviceId + "}").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
|
||||
private static byte[] getQueueIndexKey(final UUID accountUuid, final long deviceId) {
|
||||
return getQueueIndexKey(SlotHash.getSlot(accountUuid.toString() + "::" + deviceId));
|
||||
}
|
||||
private static byte[] getQueueIndexKey(final UUID accountUuid, final long deviceId) {
|
||||
return getQueueIndexKey(SlotHash.getSlot(accountUuid.toString() + "::" + deviceId));
|
||||
}
|
||||
|
||||
private static byte[] getQueueIndexKey(final int slot) {
|
||||
return ("user_queue_index::{" + RedisClusterUtil.getMinimalHashTag(slot) + "}").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
private static byte[] getQueueIndexKey(final int slot) {
|
||||
return ("user_queue_index::{" + RedisClusterUtil.getMinimalHashTag(slot) + "}").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
|
||||
private static byte[] getPersistInProgressKey(final UUID accountUuid, final long deviceId) {
|
||||
return ("user_queue_persisting::{" + accountUuid + "::" + deviceId + "}").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
private static byte[] getPersistInProgressKey(final UUID accountUuid, final long deviceId) {
|
||||
return ("user_queue_persisting::{" + accountUuid + "::" + deviceId + "}").getBytes(StandardCharsets.UTF_8);
|
||||
}
|
||||
|
||||
static UUID getAccountUuidFromQueueName(final String queueName) {
|
||||
final int startOfHashTag = queueName.indexOf('{');
|
||||
static UUID getAccountUuidFromQueueName(final String queueName) {
|
||||
final int startOfHashTag = queueName.indexOf('{');
|
||||
|
||||
return UUID.fromString(queueName.substring(startOfHashTag + 1, queueName.indexOf("::", startOfHashTag)));
|
||||
}
|
||||
return UUID.fromString(queueName.substring(startOfHashTag + 1, queueName.indexOf("::", startOfHashTag)));
|
||||
}
|
||||
|
||||
static long getDeviceIdFromQueueName(final String queueName) {
|
||||
return Long.parseLong(queueName.substring(queueName.lastIndexOf("::") + 2, queueName.lastIndexOf('}')));
|
||||
}
|
||||
static long getDeviceIdFromQueueName(final String queueName) {
|
||||
return Long.parseLong(queueName.substring(queueName.lastIndexOf("::") + 2, queueName.lastIndexOf('}')));
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user