Examples with ChannelFutureListener io.netty.channel.ChannelFutureListener used on opensource projects

Example 26 with ChannelFutureListener

use of io.netty.channel.ChannelFutureListener in project netty by netty.

the class Lz4FrameEncoder method close.

@Override
public void close(final ChannelHandlerContext ctx, final ChannelPromise promise) throws Exception {
    ChannelFuture f = finishEncode(ctx, ctx.newPromise());
    f.addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(ChannelFuture f) throws Exception {
            ctx.close(promise);
        }
    });
    if (!f.isDone()) {
        // Ensure the channel is closed even if the write operation completes in time.
        ctx.executor().schedule(new Runnable() {

            @Override
            public void run() {
                ctx.close(promise);
            }
        }, 10, // FIXME: Magic number
        TimeUnit.SECONDS);
    }
}

Example 27 with ChannelFutureListener

use of io.netty.channel.ChannelFutureListener in project netty by netty.

the class JdkZlibEncoder method close.

@Override
public void close(final ChannelHandlerContext ctx, final ChannelPromise promise) throws Exception {
    ChannelFuture f = finishEncode(ctx, ctx.newPromise());
    f.addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(ChannelFuture f) throws Exception {
            ctx.close(promise);
        }
    });
    if (!f.isDone()) {
        // Ensure the channel is closed even if the write operation completes in time.
        ctx.executor().schedule(new Runnable() {

            @Override
            public void run() {
                ctx.close(promise);
            }
        }, 10, // FIXME: Magic number
        TimeUnit.SECONDS);
    }
}

Example 28 with ChannelFutureListener

use of 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 {
                // Direclty 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;
    }
}

Example 29 with ChannelFutureListener

use of 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 30 with ChannelFutureListener

use of 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);
        }
    }
}