Examples with RedisConnection org.redisson.client.RedisConnection used on opensource projects

Example 1 with RedisConnection

use of org.redisson.client.RedisConnection in project redisson by redisson.

the class ConnectionPool method scheduleCheck.

private void scheduleCheck(final ClientConnectionsEntry entry) {
    connectionManager.getConnectionEventsHub().fireDisconnect(entry.getClient().getAddr());
    connectionManager.newTimeout(new TimerTask() {

        @Override
        public void run(Timeout timeout) throws Exception {
            if (entry.getFreezeReason() != FreezeReason.RECONNECT || !entry.isFreezed()) {
                return;
            }
            RFuture<RedisConnection> connectionFuture = entry.getClient().connectAsync();
            connectionFuture.addListener(new FutureListener<RedisConnection>() {

                @Override
                public void operationComplete(Future<RedisConnection> future) throws Exception {
                    if (entry.getFreezeReason() != FreezeReason.RECONNECT || !entry.isFreezed()) {
                        return;
                    }
                    if (!future.isSuccess()) {
                        scheduleCheck(entry);
                        return;
                    }
                    final RedisConnection c = future.getNow();
                    if (!c.isActive()) {
                        c.closeAsync();
                        scheduleCheck(entry);
                        return;
                    }
                    final FutureListener<String> pingListener = new FutureListener<String>() {

                        @Override
                        public void operationComplete(Future<String> future) throws Exception {
                            try {
                                if (entry.getFreezeReason() != FreezeReason.RECONNECT || !entry.isFreezed()) {
                                    return;
                                }
                                if (future.isSuccess() && "PONG".equals(future.getNow())) {
                                    entry.resetFailedAttempts();
                                    RPromise<Void> promise = connectionManager.newPromise();
                                    promise.addListener(new FutureListener<Void>() {

                                        @Override
                                        public void operationComplete(Future<Void> future) throws Exception {
                                            if (entry.getNodeType() == NodeType.SLAVE) {
                                                masterSlaveEntry.slaveUp(entry.getClient().getAddr().getHostName(), entry.getClient().getAddr().getPort(), FreezeReason.RECONNECT);
                                                log.info("slave {} successfully reconnected", entry.getClient().getAddr());
                                            } else {
                                                synchronized (entry) {
                                                    if (entry.getFreezeReason() == FreezeReason.RECONNECT) {
                                                        entry.setFreezed(false);
                                                        entry.setFreezeReason(null);
                                                        log.info("host {} successfully reconnected", entry.getClient().getAddr());
                                                    }
                                                }
                                            }
                                        }
                                    });
                                    initConnections(entry, promise, false);
                                } else {
                                    scheduleCheck(entry);
                                }
                            } finally {
                                c.closeAsync();
                            }
                        }
                    };
                    if (entry.getConfig().getPassword() != null) {
                        RFuture<Void> temp = c.async(RedisCommands.AUTH, config.getPassword());
                        FutureListener<Void> listener = new FutureListener<Void>() {

                            @Override
                            public void operationComplete(Future<Void> future) throws Exception {
                                ping(c, pingListener);
                            }
                        };
                        temp.addListener(listener);
                    } else {
                        ping(c, pingListener);
                    }
                }
            });
        }
    }, config.getReconnectionTimeout(), TimeUnit.MILLISECONDS);
}

Example 2 with RedisConnection

use of org.redisson.client.RedisConnection in project redisson by redisson.

the class CommandBatchService method execute.

private void execute(final Entry entry, final NodeSource source, final RPromise<Void> mainPromise, final AtomicInteger slots, final int attempt, final boolean noResult) {
    if (mainPromise.isCancelled()) {
        return;
    }
    if (!connectionManager.getShutdownLatch().acquire()) {
        mainPromise.tryFailure(new IllegalStateException("Redisson is shutdown"));
        return;
    }
    final RPromise<Void> attemptPromise = connectionManager.newPromise();
    final AsyncDetails details = new AsyncDetails();
    final RFuture<RedisConnection> connectionFuture;
    if (entry.isReadOnlyMode()) {
        connectionFuture = connectionManager.connectionReadOp(source, null);
    } else {
        connectionFuture = connectionManager.connectionWriteOp(source, null);
    }
    final TimerTask retryTimerTask = new TimerTask() {

        @Override
        public void run(Timeout timeout) throws Exception {
            if (attemptPromise.isDone()) {
                return;
            }
            if (connectionFuture.cancel(false)) {
                connectionManager.getShutdownLatch().release();
            } else {
                if (connectionFuture.isSuccess()) {
                    ChannelFuture writeFuture = details.getWriteFuture();
                    if (writeFuture != null && !writeFuture.cancel(false) && writeFuture.isSuccess()) {
                        return;
                    }
                }
            }
            if (mainPromise.isCancelled()) {
                attemptPromise.cancel(false);
                return;
            }
            if (attempt == connectionManager.getConfig().getRetryAttempts()) {
                if (details.getException() == null) {
                    details.setException(new RedisTimeoutException("Batch command execution timeout"));
                }
                attemptPromise.tryFailure(details.getException());
                return;
            }
            if (!attemptPromise.cancel(false)) {
                return;
            }
            int count = attempt + 1;
            execute(entry, source, mainPromise, slots, count, noResult);
        }
    };
    Timeout timeout = connectionManager.newTimeout(retryTimerTask, connectionManager.getConfig().getRetryInterval(), TimeUnit.MILLISECONDS);
    details.setTimeout(timeout);
    connectionFuture.addListener(new FutureListener<RedisConnection>() {

        @Override
        public void operationComplete(Future<RedisConnection> connFuture) throws Exception {
            checkConnectionFuture(entry, source, mainPromise, attemptPromise, details, connectionFuture, noResult);
        }
    });
    attemptPromise.addListener(new FutureListener<Void>() {

        @Override
        public void operationComplete(Future<Void> future) throws Exception {
            details.getTimeout().cancel();
            if (future.isCancelled()) {
                return;
            }
            if (future.cause() instanceof RedisMovedException) {
                RedisMovedException ex = (RedisMovedException) future.cause();
                entry.clearErrors();
                execute(entry, new NodeSource(ex.getSlot(), ex.getAddr(), Redirect.MOVED), mainPromise, slots, attempt, noResult);
                return;
            }
            if (future.cause() instanceof RedisAskException) {
                RedisAskException ex = (RedisAskException) future.cause();
                entry.clearErrors();
                execute(entry, new NodeSource(ex.getSlot(), ex.getAddr(), Redirect.ASK), mainPromise, slots, attempt, noResult);
                return;
            }
            if (future.cause() instanceof RedisLoadingException) {
                entry.clearErrors();
                execute(entry, source, mainPromise, slots, attempt, noResult);
                return;
            }
            if (future.cause() instanceof RedisTryAgainException) {
                entry.clearErrors();
                connectionManager.newTimeout(new TimerTask() {

                    @Override
                    public void run(Timeout timeout) throws Exception {
                        execute(entry, source, mainPromise, slots, attempt, noResult);
                    }
                }, 1, TimeUnit.SECONDS);
                return;
            }
            if (future.isSuccess()) {
                if (slots.decrementAndGet() == 0) {
                    mainPromise.trySuccess(future.getNow());
                }
            } else {
                mainPromise.tryFailure(future.cause());
            }
        }
    });
}

Example 3 with RedisConnection

use of org.redisson.client.RedisConnection in project redisson by redisson.

the class ClientConnectionsEntry method addReconnectListener.

private <T extends RedisConnection> void addReconnectListener(RPromise<T> connectionFuture, T conn) {
    addFireEventListener(conn, connectionFuture);
    conn.setReconnectListener(new ReconnectListener() {

        @Override
        public void onReconnect(RedisConnection conn, RPromise<RedisConnection> connectionFuture) {
            addFireEventListener(conn, connectionFuture);
        }
    });
}

Example 4 with RedisConnection

use of org.redisson.client.RedisConnection in project redisson by redisson.

the class MasterSlaveEntry method slaveDown.

private boolean slaveDown(ClientConnectionsEntry entry, boolean temporaryDown) {
    // add master as slave if no more slaves available
    if (config.getReadMode() == ReadMode.SLAVE && slaveBalancer.getAvailableClients() == 0) {
        InetSocketAddress addr = masterEntry.getClient().getAddr();
        if (slaveUp(addr.getHostName(), addr.getPort(), FreezeReason.SYSTEM)) {
            log.info("master {}:{} used as slave", addr.getHostName(), addr.getPort());
        }
    }
    // close all connections
    while (true) {
        final RedisConnection connection = entry.pollConnection();
        if (connection == null) {
            break;
        }
        connection.closeAsync().addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                reattachBlockingQueue(connection);
            }
        });
    }
    // close all pub/sub connections
    while (true) {
        RedisPubSubConnection connection = entry.pollSubscribeConnection();
        if (connection == null) {
            break;
        }
        connection.closeAsync();
    }
    for (RedisPubSubConnection connection : entry.getAllSubscribeConnections()) {
        reattachPubSub(connection, temporaryDown);
    }
    entry.getAllSubscribeConnections().clear();
    return true;
}

Example 5 with RedisConnection

use of org.redisson.client.RedisConnection in project redisson by redisson.

the class ReplicatedConnectionManager method shutdown.

@Override
public void shutdown() {
    monitorFuture.cancel(true);
    super.shutdown();
    for (RedisConnection connection : nodeConnections.values()) {
        connection.getRedisClient().shutdown();
    }
}