Example usage for io.netty.channel ChannelHandlerContext channel

Introduction

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

Prototype

Channel channel();

Source Link

Document

Return the Channel which is bound to the ChannelHandlerContext .

Usage

From source file:com.cloudera.livy.client.local.rpc.SaslHandler.java

License:Apache License

@Override
protected final void channelRead0(ChannelHandlerContext ctx, Rpc.SaslMessage msg) throws Exception {
    LOG.debug("Handling SASL challenge message...");
    Rpc.SaslMessage response = update(msg);
    if (response != null) {
        LOG.debug("Sending SASL challenge response...");
        hasAuthResponse = true;/* www  .  j a v a 2s.c o m*/
        ctx.channel().writeAndFlush(response).sync();
    }

    if (!isComplete()) {
        return;
    }

    // If negotiation is complete, remove this handler from the pipeline, and register it with
    // the Kryo instance to handle encryption if needed.
    ctx.channel().pipeline().remove(this);
    String qop = getNegotiatedProperty(Sasl.QOP);
    LOG.debug("SASL negotiation finished with QOP {}.", qop);
    if (Rpc.SASL_AUTH_CONF.equals(qop)) {
        LOG.info("SASL confidentiality enabled.");
        kryo.setEncryptionHandler(this);
    } else {
        if (requiresEncryption) {
            throw new SaslException("Encryption required, but SASL negotiation did not set it up.");
        }
        dispose();
    }

    onComplete();
}

From source file:com.cloudera.livy.rsc.rpc.RpcDispatcher.java

License:Apache License

@Override
public final void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
    if (LOG.isDebugEnabled()) {
        LOG.debug(String.format("[%s] Caught exception in channel pipeline.", name()), cause);
    } else {/*from   ww w .j  a  v a2  s.  c o  m*/
        LOG.info("[{}] Closing channel due to exception in pipeline ({}).", name(), cause.getMessage());
    }

    if (lastHeader != null) {
        // There's an RPC waiting for a reply. Exception was most probably caught while processing
        // the RPC, so send an error.
        ctx.channel().write(new Rpc.MessageHeader(lastHeader.id, Rpc.MessageType.ERROR));
        ctx.channel().writeAndFlush(Utils.stackTraceAsString(cause));
        lastHeader = null;
    }

    ctx.close();
}

From source file:com.cloudhopper.smpp.channel.SmppClientConnector.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    // called every time a new channel connects
    channels.add(ctx.channel());
    super.channelActive(ctx);
}

From source file:com.cloudhopper.smpp.channel.SmppClientConnector.java

License:Apache License

@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    // called every time a channel disconnects
    channels.remove(ctx.channel());
    super.channelInactive(ctx);
}

From source file:com.cloudhopper.smpp.channel.SmppServerConnector.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    // the channel we are going to handle
    Channel channel = ctx.channel();

    // always add it to our channel group
    channels.add(channel);/*from www  .  jav  a 2s.c  o  m*/
    this.server.getCounters().incrementChannelConnectsAndGet();

    // create a default "unbound" thread name for the thread processing the channel
    // this will create a name of "RemoteIPAddress.RemotePort"
    String channelName = ChannelUtil.createChannelName(channel);
    String threadName = server.getConfiguration().getName() + ".UnboundSession." + channelName;

    // rename the current thread for logging, then rename it back
    String currentThreadName = Thread.currentThread().getName();
    Thread.currentThread().setName(server.getConfiguration().getName());
    logger.info("New channel from [{}]", channelName);
    Thread.currentThread().setName(currentThreadName);

    // add SSL handler
    if (server.getConfiguration().isUseSsl()) {
        SslConfiguration sslConfig = server.getConfiguration().getSslConfiguration();
        if (sslConfig == null)
            throw new IllegalStateException("sslConfiguration must be set");
        SslContextFactory factory = new SslContextFactory(sslConfig);
        SSLEngine sslEngine = factory.newSslEngine();
        sslEngine.setUseClientMode(false);
        channel.pipeline().addLast(SmppChannelConstants.PIPELINE_SESSION_SSL_NAME, new SslHandler(sslEngine));
    }

    // add a new instance of a thread renamer
    channel.pipeline().addLast(SmppChannelConstants.PIPELINE_SESSION_THREAD_RENAMER_NAME,
            new SmppSessionThreadRenamer(threadName));

    // add a new instance of a decoder (that takes care of handling frames)
    channel.pipeline().addLast(SmppChannelConstants.PIPELINE_SESSION_PDU_DECODER_NAME,
            new SmppSessionPduDecoder(server.getTranscoder()));

    // create a new wrapper around an "unbound" session to pass the pdu up the chain
    UnboundSmppSession session = new UnboundSmppSession(channelName, channel, server);
    channel.pipeline().addLast(SmppChannelConstants.PIPELINE_SESSION_WRAPPER_NAME,
            new SmppSessionWrapper(session));

    super.channelActive(ctx);
}

From source file:com.cloudhopper.smpp.channel.SmppServerConnector.java

License:Apache License

@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    // called every time a channel disconnects
    channels.remove(ctx.channel());
    this.server.getCounters().incrementChannelDisconnectsAndGet();

    super.channelInactive(ctx);
}

From source file:com.cloudhopper.smpp.simulator.SmppSimulatorServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Pdu msg) throws Exception {
    logger.info("Read message {} from channel {}", msg.toString(), ctx.channel());
    //if (msg instanceof Pdu) {
    //    Pdu pdu = (Pdu)msg;
    //    this.listener.firePduReceived(pdu);
    //}/*w  ww.  jav a  2 s. c o m*/
}

From source file:com.cloudhopper.smpp.simulator.SmppSimulatorServerHandler.java

License:Apache License

@Override
public void channelRegistered(ChannelHandlerContext ctx) throws Exception {
    logger.info("childChannelRegistered {}", ctx.channel());

    // modify its pipeline
    PduTranscoderContext context = new DefaultPduTranscoderContext();
    PduTranscoder transcoder = new DefaultPduTranscoder(context);

    // create a new "smsc" session instance (which is just a handler)
    SmppSimulatorSessionHandler session = new SmppSimulatorSessionHandler(ctx.channel(), transcoder);

    // add this channel's new processing pipeline
    ctx.channel().pipeline().addLast(SmppSimulatorServer.PIPELINE_SESSION_NAME, session);

    session.setPduProcessor(defaultPduProcessor);

    // store this in our internal queue
    this.sessionChannels.add(ctx.channel());
    this.sessionQueue.add(session);
}

From source file:com.cloudhopper.smpp.simulator.SmppSimulatorServerHandler.java

License:Apache License

/**
 * Invoked when a child {@link io.netty.channel.Channel} was closed.
 * (e.g. the accepted connection was closed)
 *///from  ww w  . j a  va 2 s .c o m
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    logger.info("childChannelClosed {}", ctx.channel());
    super.channelInactive(ctx);
}

From source file:com.cloudhopper.smpp.simulator.SmppSimulatorServerHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    logger.info("childChannelOpened {}", ctx.channel());
    super.channelActive(ctx);
}