Example usage for io.netty.util.concurrent Future cause

List of usage examples for io.netty.util.concurrent Future cause

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Introduction

In this page you can find the example usage for io.netty.util.concurrent Future cause.

Prototype

Throwable cause();

Source Link

Document

Returns the cause of the failed I/O operation if the I/O operation has failed.

Usage

From source file:org.redisson.connection.ConnectionEntry.java

License:Apache License

public Future<RedisConnection> connect(final MasterSlaveServersConfig config) {
    final Promise<RedisConnection> connectionFuture = client.getBootstrap().group().next().newPromise();
    Future<RedisConnection> future = client.connectAsync();
    future.addListener(new FutureListener<RedisConnection>() {
        @Override/*ww  w .  j  ava2s.com*/
        public void operationComplete(Future<RedisConnection> future) throws Exception {
            if (!future.isSuccess()) {
                connectionFuture.tryFailure(future.cause());
                return;
            }
            RedisConnection conn = future.getNow();
            log.debug("new connection created: {}", conn);

            FutureConnectionListener<RedisConnection> listener = new FutureConnectionListener<RedisConnection>(
                    connectionFuture, conn);
            connectListener.onConnect(config, nodeType, listener);
            listener.executeCommands();

            addReconnectListener(config, conn);
        }

    });
    return connectionFuture;
}

From source file:org.redisson.connection.ConnectionEntry.java

License:Apache License

public Future<RedisPubSubConnection> connectPubSub(final MasterSlaveServersConfig config) {
    final Promise<RedisPubSubConnection> connectionFuture = client.getBootstrap().group().next().newPromise();
    Future<RedisPubSubConnection> future = client.connectPubSubAsync();
    future.addListener(new FutureListener<RedisPubSubConnection>() {
        @Override/*from  w w w  .j  a  va2  s.co  m*/
        public void operationComplete(Future<RedisPubSubConnection> future) throws Exception {
            if (!future.isSuccess()) {
                connectionFuture.tryFailure(future.cause());
                return;
            }
            RedisPubSubConnection conn = future.getNow();
            log.debug("new pubsub connection created: {}", conn);

            FutureConnectionListener<RedisPubSubConnection> listener = new FutureConnectionListener<RedisPubSubConnection>(
                    connectionFuture, conn);
            connectListener.onConnect(config, nodeType, listener);
            listener.executeCommands();

            addReconnectListener(config, conn);
        }
    });
    return connectionFuture;
}

From source file:org.redisson.connection.CountListener.java

License:Apache License

@Override
public void operationComplete(Future<Void> future) throws Exception {
    if (!future.isSuccess()) {
        res.tryFailure(future.cause());
        return;// w w w . j  av a 2 s.c om
    }
    if (counter.decrementAndGet() == 0) {
        res.trySuccess(null);
    }
}

From source file:org.redisson.connection.DNSMonitor.java

License:Apache License

private void monitorMasters(AtomicInteger counter) {
    for (Entry<RedisURI, InetSocketAddress> entry : masters.entrySet()) {
        Future<InetSocketAddress> resolveFuture = resolver.resolve(
                InetSocketAddress.createUnresolved(entry.getKey().getHost(), entry.getKey().getPort()));
        resolveFuture.addListener(new FutureListener<InetSocketAddress>() {
            @Override/*from www . j av  a  2  s .  c  om*/
            public void operationComplete(Future<InetSocketAddress> future) throws Exception {
                if (counter.decrementAndGet() == 0) {
                    monitorDnsChange();
                }

                if (!future.isSuccess()) {
                    log.error("Unable to resolve " + entry.getKey().getHost(), future.cause());
                    return;
                }

                InetSocketAddress currentMasterAddr = entry.getValue();
                InetSocketAddress newMasterAddr = future.getNow();
                if (!newMasterAddr.getAddress().equals(currentMasterAddr.getAddress())) {
                    log.info("Detected DNS change. Master {} has changed ip from {} to {}", entry.getKey(),
                            currentMasterAddr.getAddress().getHostAddress(),
                            newMasterAddr.getAddress().getHostAddress());
                    MasterSlaveEntry masterSlaveEntry = connectionManager.getEntry(currentMasterAddr);
                    if (masterSlaveEntry == null) {
                        if (connectionManager instanceof SingleConnectionManager) {
                            log.error(
                                    "Unable to find master entry for {}. Multiple IP bindings for single hostname supported only in Redisson PRO!",
                                    currentMasterAddr);
                        } else {
                            log.error("Unable to find master entry for {}", currentMasterAddr);
                        }
                        return;
                    }
                    masterSlaveEntry.changeMaster(newMasterAddr, entry.getKey());
                    masters.put(entry.getKey(), newMasterAddr);
                }
            }
        });
    }
}

From source file:org.redisson.connection.DNSMonitor.java

License:Apache License

private void monitorSlaves(AtomicInteger counter) {
    for (Entry<RedisURI, InetSocketAddress> entry : slaves.entrySet()) {
        Future<InetSocketAddress> resolveFuture = resolver.resolve(
                InetSocketAddress.createUnresolved(entry.getKey().getHost(), entry.getKey().getPort()));
        resolveFuture.addListener(new FutureListener<InetSocketAddress>() {
            @Override/*from  w  ww. j  ava2s .c om*/
            public void operationComplete(Future<InetSocketAddress> future) throws Exception {
                if (counter.decrementAndGet() == 0) {
                    monitorDnsChange();
                }

                if (!future.isSuccess()) {
                    log.error("Unable to resolve " + entry.getKey().getHost(), future.cause());
                    return;
                }

                InetSocketAddress currentSlaveAddr = entry.getValue();
                InetSocketAddress newSlaveAddr = future.getNow();
                if (!newSlaveAddr.getAddress().equals(currentSlaveAddr.getAddress())) {
                    log.info("Detected DNS change. Slave {} has changed ip from {} to {}",
                            entry.getKey().getHost(), currentSlaveAddr.getAddress().getHostAddress(),
                            newSlaveAddr.getAddress().getHostAddress());
                    for (MasterSlaveEntry masterSlaveEntry : connectionManager.getEntrySet()) {
                        if (!masterSlaveEntry.hasSlave(currentSlaveAddr)) {
                            continue;
                        }

                        if (masterSlaveEntry.hasSlave(newSlaveAddr)) {
                            masterSlaveEntry.slaveUp(newSlaveAddr, FreezeReason.MANAGER);
                            masterSlaveEntry.slaveDown(currentSlaveAddr, FreezeReason.MANAGER);
                        } else {
                            RFuture<Void> addFuture = masterSlaveEntry.addSlave(newSlaveAddr, entry.getKey());
                            addFuture.onComplete((res, e) -> {
                                if (e != null) {
                                    log.error("Can't add slave: " + newSlaveAddr, e);
                                    return;
                                }

                                masterSlaveEntry.slaveDown(currentSlaveAddr, FreezeReason.MANAGER);
                            });
                        }
                        break;
                    }
                    slaves.put(entry.getKey(), newSlaveAddr);
                }
            }
        });
    }
}

From source file:org.redisson.connection.FutureConnectionListener.java

License:Apache License

@Override
public void operationComplete(Future<Object> future) throws Exception {
    if (!future.isSuccess()) {
        connection.closeAsync();// ww w. j  av a2s .  com
        connectionPromise.tryFailure(future.cause());
        return;
    }
    if (commandsCounter.decrementAndGet() == 0) {
        connectionPromise.trySuccess(connection);
    }
}

From source file:org.redisson.connection.MasterSlaveConnectionManager.java

License:Apache License

private <V, T> void writeAllAsync(final int slot, final AsyncOperation<V, T> asyncOperation,
        final AtomicInteger counter, final Promise<T> mainPromise, final int attempt) {
    final Promise<T> promise = getGroup().next().newPromise();
    final AtomicReference<RedisException> ex = new AtomicReference<RedisException>();

    TimerTask timerTask = new TimerTask() {
        @Override//  w  w  w . j ava2s  . c o m
        public void run(Timeout timeout) throws Exception {
            if (promise.isDone()) {
                return;
            }
            if (attempt == config.getRetryAttempts()) {
                promise.setFailure(ex.get());
                return;
            }
            promise.cancel(true);

            int count = attempt + 1;
            writeAllAsync(slot, asyncOperation, counter, mainPromise, count);
        }
    };

    try {
        RedisConnection<Object, V> connection = connectionWriteOp(slot);
        RedisAsyncConnection<Object, V> async = connection.getAsync();
        asyncOperation.execute(promise, async);

        ex.set(new RedisTimeoutException());
        Timeout timeout = timer.newTimeout(timerTask, config.getTimeout(), TimeUnit.MILLISECONDS);
        promise.addListener(createReleaseWriteListener(slot, connection, timeout));
    } catch (RedisConnectionException e) {
        ex.set(e);
        timer.newTimeout(timerTask, config.getRetryInterval(), TimeUnit.MILLISECONDS);
    }
    promise.addListener(new FutureListener<T>() {
        @Override
        public void operationComplete(Future<T> future) throws Exception {
            if (future.isCancelled()) {
                return;
            }

            if (future.cause() instanceof RedisMovedException) {
                RedisMovedException ex = (RedisMovedException) future.cause();
                writeAllAsync(ex.getSlot(), asyncOperation, counter, mainPromise, attempt);
                return;
            }

            if (future.isSuccess()) {
                if (counter.decrementAndGet() == 0 && !mainPromise.isDone()) {
                    mainPromise.setSuccess(future.getNow());
                }
            } else {
                mainPromise.setFailure(future.cause());
            }
        }
    });
}

From source file:org.redisson.connection.MasterSlaveConnectionManager.java

License:Apache License

private <V, T> void writeAsync(final int slot, final AsyncOperation<V, T> asyncOperation,
        final Promise<T> mainPromise, final int attempt) {
    final Promise<T> promise = getGroup().next().newPromise();
    final AtomicReference<RedisException> ex = new AtomicReference<RedisException>();

    TimerTask timerTask = new TimerTask() {
        @Override/* w  ww  .jav a 2  s  .  c o m*/
        public void run(Timeout timeout) throws Exception {
            if (promise.isDone()) {
                return;
            }
            if (attempt == config.getRetryAttempts()) {
                promise.setFailure(ex.get());
                return;
            }
            promise.cancel(true);

            int count = attempt + 1;
            writeAsync(slot, asyncOperation, mainPromise, count);
        }
    };

    try {
        RedisConnection<Object, V> connection = connectionWriteOp(slot);
        RedisAsyncConnection<Object, V> async = connection.getAsync();
        log.debug("writeAsync for slot {} using {}", slot, connection.getRedisClient().getAddr());
        asyncOperation.execute(promise, async);

        ex.set(new RedisTimeoutException());
        Timeout timeout = timer.newTimeout(timerTask, config.getTimeout(), TimeUnit.MILLISECONDS);
        promise.addListener(createReleaseWriteListener(slot, connection, timeout));
    } catch (RedisConnectionException e) {
        ex.set(e);
        timer.newTimeout(timerTask, config.getRetryInterval(), TimeUnit.MILLISECONDS);
    }
    promise.addListener(new FutureListener<T>() {
        @Override
        public void operationComplete(Future<T> future) throws Exception {
            if (future.isCancelled()) {
                return;
            }

            if (future.cause() instanceof RedisMovedException) {
                RedisMovedException ex = (RedisMovedException) future.cause();
                writeAsync(ex.getSlot(), asyncOperation, mainPromise, attempt);
                return;
            }

            if (future.isSuccess()) {
                mainPromise.setSuccess(future.getNow());
            } else {
                mainPromise.setFailure(future.cause());
            }
        }
    });
}

From source file:org.redisson.connection.MasterSlaveConnectionManager.java

License:Apache License

private <V, T> void readAsync(final int slot, final AsyncOperation<V, T> asyncOperation,
        final Promise<T> mainPromise, final int attempt) {
    final Promise<T> promise = getGroup().next().newPromise();
    final AtomicReference<RedisException> ex = new AtomicReference<RedisException>();

    TimerTask timerTask = new TimerTask() {
        @Override/*from w  w w  .j a v  a2s. com*/
        public void run(Timeout timeout) throws Exception {
            if (promise.isDone()) {
                return;
            }
            if (attempt == config.getRetryAttempts()) {
                promise.setFailure(ex.get());
                return;
            }
            promise.cancel(true);

            int count = attempt + 1;
            readAsync(slot, asyncOperation, mainPromise, count);
        }
    };

    try {
        RedisConnection<Object, V> connection = connectionReadOp(slot);
        RedisAsyncConnection<Object, V> async = connection.getAsync();
        log.debug("readAsync for slot {} using {}", slot, connection.getRedisClient().getAddr());
        asyncOperation.execute(promise, async);

        ex.set(new RedisTimeoutException());
        Timeout timeout = timer.newTimeout(timerTask, config.getTimeout(), TimeUnit.MILLISECONDS);
        promise.addListener(createReleaseReadListener(slot, connection, timeout));
    } catch (RedisConnectionException e) {
        ex.set(e);
        timer.newTimeout(timerTask, config.getRetryInterval(), TimeUnit.MILLISECONDS);
    }
    promise.addListener(new FutureListener<T>() {
        @Override
        public void operationComplete(Future<T> future) throws Exception {
            if (future.isCancelled()) {
                return;
            }
            // TODO cancel timeout

            if (future.cause() instanceof RedisMovedException) {
                RedisMovedException ex = (RedisMovedException) future.cause();
                readAsync(ex.getSlot(), asyncOperation, mainPromise, attempt);
                return;
            }

            if (future.isSuccess()) {
                mainPromise.setSuccess(future.getNow());
            } else {
                mainPromise.setFailure(future.cause());
            }
        }
    });
}

From source file:org.redisson.connection.pool.ConnectionPool.java

License:Apache License

private void createConnection(final boolean checkFreezed, final AtomicInteger requests,
        final ClientConnectionsEntry entry, final RPromise<Void> initPromise, final int minimumIdleSize,
        final AtomicInteger initializedConnections) {

    if ((checkFreezed && entry.isFreezed()) || !tryAcquireConnection(entry)) {
        Throwable cause = new RedisConnectionException("Can't init enough connections amount! Only "
                + (minimumIdleSize - initializedConnections.get()) + " from " + minimumIdleSize
                + " were initialized. Server: " + entry.getClient().getAddr());
        initPromise.tryFailure(cause);/*from   ww  w  . j a v  a  2s . c om*/
        return;
    }

    acquireConnection(entry, new Runnable() {

        @Override
        public void run() {
            RPromise<T> promise = connectionManager.newPromise();
            createConnection(entry, promise);
            promise.addListener(new FutureListener<T>() {
                @Override
                public void operationComplete(Future<T> future) throws Exception {
                    if (future.isSuccess()) {
                        T conn = future.getNow();

                        releaseConnection(entry, conn);
                    }

                    releaseConnection(entry);

                    if (!future.isSuccess()) {
                        Throwable cause = new RedisConnectionException(
                                "Can't init enough connections amount! Only "
                                        + (minimumIdleSize - initializedConnections.get()) + " from "
                                        + minimumIdleSize + " were initialized. Server: "
                                        + entry.getClient().getAddr(),
                                future.cause());
                        initPromise.tryFailure(cause);
                        return;
                    }

                    int value = initializedConnections.decrementAndGet();
                    if (value == 0) {
                        log.info("{} connections initialized for {}", minimumIdleSize,
                                entry.getClient().getAddr());
                        if (!initPromise.trySuccess(null)) {
                            throw new IllegalStateException();
                        }
                    } else if (value > 0 && !initPromise.isDone()) {
                        if (requests.incrementAndGet() <= minimumIdleSize) {
                            createConnection(checkFreezed, requests, entry, initPromise, minimumIdleSize,
                                    initializedConnections);
                        }
                    }
                }
            });
        }
    });

}