Example usage for io.netty.channel.group ChannelGroupFutureListener ChannelGroupFutureListener

Introduction

In this page you can find the example usage for io.netty.channel.group ChannelGroupFutureListener ChannelGroupFutureListener.

Prototype

ChannelGroupFutureListener

Source Link

Usage

From source file:com.linkedin.r2.transport.http.client.HttpNettyClient.java

License:Apache License

@Override
public void shutdown(final Callback<None> callback) {
    LOG.info("Shutdown requested");
    if (_state.compareAndSet(State.RUNNING, State.SHUTTING_DOWN)) {
        LOG.info("Shutting down");
        final long deadline = System.currentTimeMillis() + _shutdownTimeout;
        TimeoutCallback<None> closeChannels = new TimeoutCallback<None>(_scheduler, _shutdownTimeout,
                TimeUnit.MILLISECONDS, new Callback<None>() {
                    private void finishShutdown() {
                        _state.set(State.REQUESTS_STOPPING);
                        // Timeout any waiters which haven't received a Channel yet
                        for (Callback<Channel> callback : _channelPoolManager.cancelWaiters()) {
                            callback.onError(
                                    new TimeoutException("Operation did not complete before shutdown"));
                        }//from  www . ja  va  2s.c o  m

                        // Timeout any requests still pending response
                        for (Channel c : _allChannels) {
                            TransportCallback<RestResponse> callback = c
                                    .attr(RAPResponseHandler.CALLBACK_ATTR_KEY).getAndRemove();
                            if (callback != null) {
                                errorResponse(callback,
                                        new TimeoutException("Operation did not complete before shutdown"));
                            }
                        }

                        // Close all active and idle Channels
                        final TimeoutRunnable afterClose = new TimeoutRunnable(_scheduler,
                                deadline - System.currentTimeMillis(), TimeUnit.MILLISECONDS, new Runnable() {
                                    @Override
                                    public void run() {
                                        _state.set(State.SHUTDOWN);
                                        LOG.info("Shutdown complete");
                                        callback.onSuccess(None.none());
                                    }
                                }, "Timed out waiting for channels to close, continuing shutdown");
                        _allChannels.close().addListener(new ChannelGroupFutureListener() {
                            @Override
                            public void operationComplete(ChannelGroupFuture channelGroupFuture)
                                    throws Exception {
                                if (!channelGroupFuture.isSuccess()) {
                                    LOG.warn("Failed to close some connections, ignoring");
                                }
                                afterClose.run();
                            }
                        });
                    }

                    @Override
                    public void onSuccess(None none) {
                        LOG.info("All connection pools shut down, closing all channels");
                        finishShutdown();
                    }

                    @Override
                    public void onError(Throwable e) {
                        LOG.warn("Error shutting down HTTP connection pools, ignoring and continuing shutdown",
                                e);
                        finishShutdown();
                    }
                }, "Connection pool shutdown timeout exceeded (" + _shutdownTimeout + "ms)");
        _channelPoolManager.shutdown(closeChannels);
        _jmxManager.onProviderShutdown(_channelPoolManager);
    } else {
        callback.onError(new IllegalStateException("Shutdown has already been requested."));
    }
}

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From source file:com.spotify.ffwd.debug.NettyDebugServer.java

License:Apache License

public AsyncFuture<Void> stop() {
    final Channel server = this.server.getAndSet(null);

    if (server == null) {
        throw new IllegalStateException("server not started");
    }//from w  w  w  .  j a v  a2 s  .  com

    final ResolvableFuture<Void> serverClose = async.future();

    server.close().addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture f) throws Exception {
            if (!f.isSuccess()) {
                serverClose.fail(f.cause());
                return;
            }

            serverClose.resolve(null);
        }
    });

    final ResolvableFuture<Void> channelGroupClose = async.future();

    connected.close().addListener(new ChannelGroupFutureListener() {
        @Override
        public void operationComplete(ChannelGroupFuture f) throws Exception {
            if (!f.isSuccess()) {
                channelGroupClose.fail(f.cause());
                return;
            }

            channelGroupClose.resolve(null);
        }
    });

    return async.collectAndDiscard(ImmutableList.<AsyncFuture<Void>>of(serverClose, channelGroupClose));
}

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From source file:io.jsync.http.impl.DefaultHttpServer.java

License:Open Source License

private void actualClose(final DefaultContext closeContext, final Handler<AsyncResult<Void>> done) {
    if (id != null) {
        async.sharedHttpServers().remove(id);
    }/*  w w w  . j  a va2s .c o  m*/

    for (ServerConnection conn : connectionMap.values()) {
        conn.close();
    }

    // We need to reset it since sock.internalClose() above can call into the close handlers of sockets on the same thread
    // which can cause context id for the thread to change!

    async.setContext(closeContext);

    final CountDownLatch latch = new CountDownLatch(1);

    ChannelGroupFuture fut = serverChannelGroup.close();
    fut.addListener(new ChannelGroupFutureListener() {
        public void operationComplete(ChannelGroupFuture channelGroupFuture) throws Exception {
            latch.countDown();
        }
    });

    // Always sync
    try {
        latch.await(10, TimeUnit.SECONDS);
    } catch (InterruptedException e) {
    }

    executeCloseDone(closeContext, done, fut.cause());
}

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From source file:io.jsync.net.impl.DefaultNetServer.java

License:Open Source License

private void actualClose(final DefaultContext closeContext, final Handler<AsyncResult<Void>> done) {
    if (id != null) {
        async.sharedNetServers().remove(id);
    }//  w w w.j  a v  a2 s  . com

    for (DefaultNetSocket sock : socketMap.values()) {
        sock.close();
    }

    // We need to reset it since sock.internalClose() above can call into the close handlers of sockets on the same thread
    // which can cause context id for the thread to change!

    async.setContext(closeContext);

    ChannelGroupFuture fut = serverChannelGroup.close();
    fut.addListener(new ChannelGroupFutureListener() {
        public void operationComplete(ChannelGroupFuture fut) throws Exception {
            executeCloseDone(closeContext, done, fut.cause());
        }
    });

}

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From source file:org.helios.octo.client.OctoShared.java

License:Open Source License

/**
 * Stops and disconnects all clients and de-allocates all resources
 *//* w ww  .j  av  a 2  s  . c  om*/
public void shutdownAll() {
    if (!stopping.compareAndSet(false, true)) {
        throw new RuntimeException("This OctoShared is already being shutdown");
    }
    log.info("Stopping all OctoClients....");
    channelGroup.close().addListener(new ChannelGroupFutureListener() {
        @Override
        public void operationComplete(ChannelGroupFuture future) throws Exception {
            log.info("ChannelGroup Closed");
            group.shutdownGracefully().addListener(new FutureListener<Object>() {
                @Override
                public void operationComplete(Future<Object> future) throws Exception {
                    log.info("Event Loop Group Closed.\n\n\t\tBye.");
                    instance = null;
                    stopping.set(false);
                }
            });
        }
    });
}

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From source file:org.robotninjas.protobuf.netty.server.RpcServer.java

License:Open Source License

@Override
protected void doStop() {
    try {//from   w  w w  .  ja v a 2  s  . c om
        ChannelGroupFuture f = allChannels.close();
        f.addListener(new ChannelGroupFutureListener() {
            @Override
            public void operationComplete(ChannelGroupFuture future) throws Exception {
                if (future.isSuccess()) {
                    notifyStopped();
                } else {
                    notifyFailed(future.cause());
                }
            }
        });
    } catch (Throwable t) {
        notifyFailed(t);
        Throwables.propagate(t);
    }
}

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From source file:org.vertx.java.core.http.impl.DefaultHttpServer.java

License:Open Source License

private void actualClose(final DefaultContext closeContext, final Handler<AsyncResult<Void>> done) {
    if (id != null) {
        vertx.sharedHttpServers().remove(id);
    }//from   w w  w  . ja  v a  2  s.co  m

    for (ServerConnection conn : connectionMap.values()) {
        conn.close();
    }

    // We need to reset it since sock.internalClose() above can call into the close handlers of sockets on the same thread
    // which can cause context id for the thread to change!

    vertx.setContext(closeContext);

    final CountDownLatch latch = new CountDownLatch(1);

    ChannelGroupFuture fut = serverChannelGroup.close();
    fut.addListener(new ChannelGroupFutureListener() {
        public void operationComplete(ChannelGroupFuture channelGroupFuture) throws Exception {
            latch.countDown();
        }
    });

    // Always sync
    try {
        latch.await(10, TimeUnit.SECONDS);
    } catch (InterruptedException e) {
    }

    executeCloseDone(closeContext, done, fut.cause());
}

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From source file:org.vertx.java.core.net.impl.DefaultNetServer.java

License:Open Source License

private void actualClose(final DefaultContext closeContext, final Handler<AsyncResult<Void>> done) {
    if (id != null) {
        vertx.sharedNetServers().remove(id);
    }//from w  w  w.j a v a 2s .c o m

    for (DefaultNetSocket sock : socketMap.values()) {
        sock.close();
    }

    // We need to reset it since sock.internalClose() above can call into the close handlers of sockets on the same thread
    // which can cause context id for the thread to change!

    vertx.setContext(closeContext);

    ChannelGroupFuture fut = serverChannelGroup.close();
    fut.addListener(new ChannelGroupFutureListener() {
        public void operationComplete(ChannelGroupFuture fut) throws Exception {
            executeCloseDone(closeContext, done, fut.cause());
        }
    });

}

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