Examples with ChannelFutureListener org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener used on opensource projects

Example 71 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project netty by netty.

the class Http2ConnectionHandler method checkCloseConnection.

/**
 * Closes the connection if the graceful shutdown process has completed.
 * @param future Represents the status that will be passed to the {@link #closeListener}.
 */
private void checkCloseConnection(ChannelFuture future) {
    // once this operation completes.
    if (closeListener != null && isGracefulShutdownComplete()) {
        ChannelFutureListener closeListener = this.closeListener;
        // This method could be called multiple times
        // and we don't want to notify the closeListener multiple times.
        this.closeListener = null;
        try {
            closeListener.operationComplete(future);
        } catch (Exception e) {
            throw new IllegalStateException("Close listener threw an unexpected exception", e);
        }
    }
}

Example 72 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project netty by netty.

the class Http2ConnectionHandler method goAway.

@Override
public ChannelFuture goAway(final ChannelHandlerContext ctx, final int lastStreamId, final long errorCode, final ByteBuf debugData, ChannelPromise promise) {
    promise = promise.unvoid();
    final Http2Connection connection = connection();
    try {
        if (!connection.goAwaySent(lastStreamId, errorCode, debugData)) {
            debugData.release();
            promise.trySuccess();
            return promise;
        }
    } catch (Throwable cause) {
        debugData.release();
        promise.tryFailure(cause);
        return promise;
    }
    // Need to retain before we write the buffer because if we do it after the refCnt could already be 0 and
    // result in an IllegalRefCountException.
    debugData.retain();
    ChannelFuture future = frameWriter().writeGoAway(ctx, lastStreamId, errorCode, debugData, promise);
    if (future.isDone()) {
        processGoAwayWriteResult(ctx, lastStreamId, errorCode, debugData, future);
    } else {
        future.addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                processGoAwayWriteResult(ctx, lastStreamId, errorCode, debugData, future);
            }
        });
    }
    return future;
}

Example 73 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project netty by netty.

the class Http2StreamChannelBootstrap method open0.

/**
 * @deprecated should not be used directly. Use {@link #open()} or {@link #open(Promise)}
 */
@Deprecated
public void open0(ChannelHandlerContext ctx, final Promise<Http2StreamChannel> promise) {
    assert ctx.executor().inEventLoop();
    if (!promise.setUncancellable()) {
        return;
    }
    final Http2StreamChannel streamChannel;
    try {
        if (ctx.handler() instanceof Http2MultiplexCodec) {
            streamChannel = ((Http2MultiplexCodec) ctx.handler()).newOutboundStream();
        } else {
            streamChannel = ((Http2MultiplexHandler) ctx.handler()).newOutboundStream();
        }
    } catch (Exception e) {
        promise.setFailure(e);
        return;
    }
    try {
        init(streamChannel);
    } catch (Exception e) {
        streamChannel.unsafe().closeForcibly();
        promise.setFailure(e);
        return;
    }
    ChannelFuture future = ctx.channel().eventLoop().register(streamChannel);
    future.addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                promise.setSuccess(streamChannel);
            } else if (future.isCancelled()) {
                promise.cancel(false);
            } else {
                if (streamChannel.isRegistered()) {
                    streamChannel.close();
                } else {
                    streamChannel.unsafe().closeForcibly();
                }
                promise.setFailure(future.cause());
            }
        }
    });
}

Example 74 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project netty by netty.

the class AbstractBootstrap method doBind.

private ChannelFuture doBind(final SocketAddress localAddress) {
    final ChannelFuture regFuture = initAndRegister();
    final Channel channel = regFuture.channel();
    if (regFuture.cause() != null) {
        return regFuture;
    }
    if (regFuture.isDone()) {
        // At this point we know that the registration was complete and successful.
        ChannelPromise promise = channel.newPromise();
        doBind0(regFuture, channel, localAddress, promise);
        return promise;
    } else {
        // Registration future is almost always fulfilled already, but just in case it's not.
        final PendingRegistrationPromise promise = new PendingRegistrationPromise(channel);
        regFuture.addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                Throwable cause = future.cause();
                if (cause != null) {
                    // Registration on the EventLoop failed so fail the ChannelPromise directly to not cause an
                    // IllegalStateException once we try to access the EventLoop of the Channel.
                    promise.setFailure(cause);
                } else {
                    // Registration was successful, so set the correct executor to use.
                    // See https://github.com/netty/netty/issues/2586
                    promise.registered();
                    doBind0(regFuture, channel, localAddress, promise);
                }
            }
        });
        return promise;
    }
}

Example 75 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project netty by netty.

the class Bootstrap method doResolveAndConnect.

/**
 * @see #connect()
 */
private ChannelFuture doResolveAndConnect(final SocketAddress remoteAddress, final SocketAddress localAddress) {
    final ChannelFuture regFuture = initAndRegister();
    final Channel channel = regFuture.channel();
    if (regFuture.isDone()) {
        if (!regFuture.isSuccess()) {
            return regFuture;
        }
        return doResolveAndConnect0(channel, remoteAddress, localAddress, channel.newPromise());
    } else {
        // Registration future is almost always fulfilled already, but just in case it's not.
        final PendingRegistrationPromise promise = new PendingRegistrationPromise(channel);
        regFuture.addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                // Directly obtain the cause and do a null check so we only need one volatile read in case of a
                // failure.
                Throwable cause = future.cause();
                if (cause != null) {
                    // Registration on the EventLoop failed so fail the ChannelPromise directly to not cause an
                    // IllegalStateException once we try to access the EventLoop of the Channel.
                    promise.setFailure(cause);
                } else {
                    // Registration was successful, so set the correct executor to use.
                    // See https://github.com/netty/netty/issues/2586
                    promise.registered();
                    doResolveAndConnect0(channel, remoteAddress, localAddress, promise);
                }
            }
        });
        return promise;
    }
}