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.corundumstudio.socketio.transport.XHRPollingTransport.java

License:Apache License

private void onGet(UUID sessionId, ChannelHandlerContext ctx, String origin) {
    HandshakeData data = authorizeHandler.getHandshakeData(sessionId);
    if (data == null) {
        sendError(ctx, origin, sessionId);
        return;/*w w w  .  jav  a  2s.c o m*/
    }

    XHRPollingClient client = (XHRPollingClient) sessionId2Client.get(sessionId);
    if (client == null) {
        client = createClient(origin, ctx.channel(), sessionId, data);
    }

    client.bindChannel(ctx.channel(), origin);

    scheduleDisconnect(ctx.channel(), sessionId);
    scheduleNoop(sessionId);
}

From source file:com.corundumstudio.socketio.transport.XHRPollingTransport.java

License:Apache License

private void sendError(ChannelHandlerContext ctx, String origin, UUID sessionId) {
    log.debug("Client with sessionId: {} was not found! Reconnect error response sended", sessionId);
    Packet packet = new Packet(PacketType.ERROR);
    packet.setReason(ErrorReason.CLIENT_NOT_HANDSHAKEN);
    packet.setAdvice(ErrorAdvice.RECONNECT);
    ctx.channel().writeAndFlush(new XHRErrorMessage(packet, origin, sessionId));
}

From source file:com.couchbase.client.core.endpoint.AbstractGenericHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
    LOGGER.debug(logIdent(ctx, endpoint) + "Channel Active.");

    SocketAddress addr = ctx.channel().remoteAddress();
    if (addr instanceof InetSocketAddress) {
        // Avoid lookup, so just use the address
        remoteHostname = ((InetSocketAddress) addr).getAddress().getHostAddress();
    } else {/*from   w  w w . jav  a 2s  .com*/
        // Should not happen in production, but in testing it might be different
        remoteHostname = addr.toString();
    }
    ctx.fireChannelActive();
}

From source file:com.couchbase.client.core.endpoint.AbstractGenericHandler.java

License:Apache License

@Override
public void channelWritabilityChanged(final ChannelHandlerContext ctx) throws Exception {
    if (!ctx.channel().isWritable()) {
        ctx.flush();//  ww w .ja v a2s  . co  m
    }
    ctx.fireChannelWritabilityChanged();
}

From source file:com.couchbase.client.core.endpoint.AbstractGenericHandler.java

License:Apache License

@Override
public void userEventTriggered(final ChannelHandlerContext ctx, Object evt) throws Exception {
    if (evt instanceof IdleStateEvent) {
        CouchbaseRequest keepAlive = createKeepAliveRequest();
        if (keepAlive != null) {
            keepAlive.observable().subscribe(new KeepAliveResponseAction(ctx));
            onKeepAliveFired(ctx, keepAlive);

            Channel channel = ctx.channel();
            if (channel.isActive() && channel.isWritable()) {
                ctx.pipeline().writeAndFlush(keepAlive);
            }/*from   w w w. j  a v  a  2  s  .  co m*/
        }
    } else {
        super.userEventTriggered(ctx, evt);
    }
}

From source file:com.couchbase.client.core.endpoint.AbstractGenericHandler.java

License:Apache License

/**
 * Simple log helper to give logs a common prefix.
 *
 * @param ctx the context./*from  w w  w  .  j  a va 2  s  . com*/
 * @param endpoint the endpoint.
 * @return a prefix string for logs.
 */
protected static String logIdent(final ChannelHandlerContext ctx, final Endpoint endpoint) {
    return "[" + ctx.channel().remoteAddress() + "][" + endpoint.getClass().getSimpleName() + "]: ";
}

From source file:com.couchbase.client.core.endpoint.AbstractGenericHandler.java

License:Apache License

/**
 * Helper method to return the remote http host, cached.
 *
 * @param ctx the handler context./*w w w. j a  v  a2s .co m*/
 * @return the remote http host.
 */
protected String remoteHttpHost(ChannelHandlerContext ctx) {
    if (remoteHttpHost == null) {
        SocketAddress addr = ctx.channel().remoteAddress();
        if (addr instanceof InetSocketAddress) {
            InetSocketAddress inetAddr = (InetSocketAddress) addr;
            remoteHttpHost = inetAddr.getAddress().getHostAddress() + ":" + inetAddr.getPort();
        } else {
            remoteHttpHost = addr.toString();
        }
    }
    return remoteHttpHost;
}

From source file:com.couchbase.client.core.endpoint.binary.BinaryAuthHandler.java

License:Open Source License

/**
 * Handles an incoming SASL list mechanisms response and dispatches the next SASL AUTH step.
 *
 * @param ctx the handler context./*w  w  w  .j  ava2s  .  co  m*/
 * @param msg the incoming message to investigate.
 * @throws Exception
 */
private void handleListMechsResponse(ChannelHandlerContext ctx, FullBinaryMemcacheResponse msg)
        throws Exception {
    String remote = ctx.channel().remoteAddress().toString();
    String[] supportedMechanisms = msg.content().toString(CharsetUtil.UTF_8).split(" ");
    if (supportedMechanisms.length == 0) {
        throw new AuthenticationException("Received empty SASL mechanisms list from server: " + remote);
    }

    saslClient = Sasl.createSaslClient(supportedMechanisms, null, "couchbase", remote, null, this);
    selectedMechanism = saslClient.getMechanismName();
    int mechanismLength = selectedMechanism.length();
    byte[] bytePayload = saslClient.hasInitialResponse() ? saslClient.evaluateChallenge(new byte[] {}) : null;
    ByteBuf payload = bytePayload != null ? ctx.alloc().buffer().writeBytes(bytePayload)
            : Unpooled.EMPTY_BUFFER;

    FullBinaryMemcacheRequest initialRequest = new DefaultFullBinaryMemcacheRequest(selectedMechanism,
            Unpooled.EMPTY_BUFFER, payload);
    initialRequest.setOpcode(SASL_AUTH_OPCODE).setKeyLength((short) mechanismLength)
            .setTotalBodyLength(mechanismLength + payload.readableBytes());

    ctx.writeAndFlush(initialRequest);
}

From source file:com.couchbase.client.core.endpoint.binary.BinaryCodec.java

License:Open Source License

@Override
protected void decode(final ChannelHandlerContext ctx, final FullBinaryMemcacheResponse msg,
        final List<Object> in) throws Exception {
    Class<?> clazz = queue.poll();

    ResponseStatus status = convertStatus(msg.getStatus());
    long cas = msg.getCAS();
    if (clazz.equals(GetBucketConfigRequest.class)) {
        InetSocketAddress addr = (InetSocketAddress) ctx.channel().remoteAddress();
        in.add(new GetBucketConfigResponse(convertStatus(msg.getStatus()),
                msg.content().toString(CharsetUtil.UTF_8), addr.getHostName()));
    } else if (clazz.equals(GetRequest.class)) {
        in.add(new GetResponse(status, cas, msg.content().copy()));
    } else if (clazz.equals(InsertRequest.class)) {
        in.add(new InsertResponse(status, cas));
    } else if (clazz.equals(UpsertRequest.class)) {
        in.add(new UpsertResponse(status, cas));
    } else if (clazz.equals(ReplaceRequest.class)) {
        in.add(new ReplaceResponse(status, cas));
    } else if (clazz.equals(RemoveRequest.class)) {
        in.add(new RemoveResponse(convertStatus(msg.getStatus())));
    } else {/*from  w  ww  .  j  a  v  a  2 s  .c  om*/
        throw new IllegalStateException("Got a response message for a request that was not sent." + msg);
    }
}

From source file:com.couchbase.client.core.endpoint.binary.BinarySaslClient.java

License:Open Source License

/**
 * Handles an incoming SASL list mechanisms response and dispatches the next SASL AUTH step.
 *
 * @param ctx the handler context./*from   ww  w . j  a  va2  s.c o m*/
 * @param msg the incoming message to investigate.
 * @throws Exception
 */
private void handleListMechsResponse(ChannelHandlerContext ctx, FullBinaryMemcacheResponse msg)
        throws Exception {
    String remote = ctx.channel().remoteAddress().toString();
    String[] supportedMechanisms = msg.content().toString(CharsetUtil.UTF_8).split(" ");
    if (supportedMechanisms.length == 0) {
        throw new IllegalStateException("Received empty SASL mechanisms list from server: " + remote);
    }

    saslClient = Sasl.createSaslClient(supportedMechanisms, null, "couchbase", remote, null, this);
    selectedMechanism = saslClient.getMechanismName();
    int mechanismLength = selectedMechanism.length();
    byte[] bytePayload = saslClient.hasInitialResponse() ? saslClient.evaluateChallenge(new byte[] {}) : null;
    ByteBuf payload = bytePayload != null ? ctx.alloc().buffer().writeBytes(bytePayload)
            : Unpooled.EMPTY_BUFFER;

    FullBinaryMemcacheRequest initialRequest = new DefaultFullBinaryMemcacheRequest(selectedMechanism,
            Unpooled.EMPTY_BUFFER, payload);
    initialRequest.setOpcode(SASL_AUTH_OPCODE).setKeyLength((short) mechanismLength)
            .setTotalBodyLength(mechanismLength + payload.readableBytes());

    ctx.writeAndFlush(initialRequest);
}