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:co.rsk.net.eth.RskWireProtocol.java

License:Open Source License

/*************************
 *  Message Processing   */*from w w  w . j a  v  a 2s.  co m*/
 *************************/

protected void processStatus(org.ethereum.net.eth.message.StatusMessage msg, ChannelHandlerContext ctx)
        throws InterruptedException {

    try {
        Genesis genesis = GenesisLoader.loadGenesis(config.genesisInfo(),
                config.getBlockchainConfig().getCommonConstants().getInitialNonce(), true);
        if (!Arrays.equals(msg.getGenesisHash(), genesis.getHash())
                || msg.getProtocolVersion() != version.getCode()) {
            loggerNet.info("Removing EthHandler for {} due to protocol incompatibility",
                    ctx.channel().remoteAddress());
            ethState = EthState.STATUS_FAILED;
            disconnect(ReasonCode.INCOMPATIBLE_PROTOCOL);
            ctx.pipeline().remove(this); // Peer is not compatible for the 'eth' sub-protocol
            return;
        }

        if (msg.getNetworkId() != config.networkId()) {
            ethState = EthState.STATUS_FAILED;
            disconnect(ReasonCode.NULL_IDENTITY);
            return;
        }

        // basic checks passed, update statistics
        channel.getNodeStatistics().ethHandshake(msg);
        ethereumListener.onEthStatusUpdated(channel, msg);

        if (peerDiscoveryMode) {
            loggerNet.debug("Peer discovery mode: STATUS received, disconnecting...");
            disconnect(ReasonCode.REQUESTED);
            ctx.close().sync();
            ctx.disconnect().sync();
            return;
        }
    } catch (NoSuchElementException e) {
        loggerNet.debug("EthHandler already removed");
    }
}

From source file:co.rsk.rpc.netty.RskJsonRpcHandler.java

License:Open Source License

@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    emitter.unsubscribe(ctx.channel());
    super.channelInactive(ctx);
}

From source file:co.rsk.rpc.netty.RskJsonRpcHandler.java

License:Open Source License

@Override
public JsonRpcResultOrError visit(EthSubscribeRequest request, ChannelHandlerContext ctx) {
    EthSubscribeTypes subscribeType = request.getParams().getSubscription();
    switch (subscribeType) {
    case NEW_HEADS:
        return emitter.subscribe(ctx.channel());
    default://from  w  ww  . ja  va 2 s  .c o m
        LOGGER.error("Subscription type {} is not implemented", subscribeType);
        return new JsonRpcInternalError();
    }
}

From source file:co.rsk.rpc.netty.RskJsonRpcHandlerTest.java

License:Open Source License

@Test
public void visitSubscribe() {
    Channel channel = mock(Channel.class);
    ChannelHandlerContext ctx = mock(ChannelHandlerContext.class);
    when(ctx.channel()).thenReturn(channel);
    when(emitter.subscribe(channel)).thenReturn(SAMPLE_SUBSCRIPTION_ID);

    assertThat(handler.visit(SAMPLE_SUBSCRIBE_REQUEST, ctx), is(SAMPLE_SUBSCRIPTION_ID));
}

From source file:co.rsk.rpc.netty.RskJsonRpcHandlerTest.java

License:Open Source License

@Test
public void handlerDeserializesAndHandlesRequest() throws Exception {
    Channel channel = mock(Channel.class);
    ChannelHandlerContext ctx = mock(ChannelHandlerContext.class);
    when(ctx.channel()).thenReturn(channel);

    when(serializer.deserializeRequest(any())).thenReturn(SAMPLE_SUBSCRIBE_REQUEST);
    when(emitter.subscribe(channel)).thenReturn(SAMPLE_SUBSCRIPTION_ID);
    when(serializer.serializeMessage(any())).thenReturn("serialized");

    DefaultByteBufHolder msg = new DefaultByteBufHolder(Unpooled.copiedBuffer("raw".getBytes()));
    handler.channelRead(ctx, msg);/*from w ww. ja  v a  2  s  .c  o m*/

    verify(ctx, times(1)).writeAndFlush(new TextWebSocketFrame("serialized"));
    verify(ctx, never()).fireChannelRead(any());
}

From source file:code.google.nfs.rpc.netty.client.NettyClientHandler.java

License:Apache License

public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof List) {
        @SuppressWarnings("unchecked")
        List<ResponseWrapper> responses = (List<ResponseWrapper>) msg;
        if (isDebugEnabled) {
            // for performance trace
            LOGGER.debug("receive response list from server: " + ctx.channel().remoteAddress()
                    + ",list size is:" + responses.size());
        }/*from w w w  .j  a  v  a  2 s.co m*/
        client.putResponses(responses);
    } else if (msg instanceof ResponseWrapper) {
        ResponseWrapper response = (ResponseWrapper) msg;
        if (isDebugEnabled) {
            // for performance trace
            LOGGER.debug("receive response list from server: " + ctx.channel().remoteAddress() + ",request is:"
                    + response.getRequestId());
        }
        client.putResponse(response);
    } else {
        LOGGER.error("receive message error,only support List || ResponseWrapper");
        throw new Exception("receive message error,only support List || ResponseWrapper");
    }
}

From source file:code.google.nfs.rpc.netty.client.NettyClientHandler.java

License:Apache License

public void channelUnregistered(ChannelHandlerContext ctx) throws Exception {
    LOGGER.warn("connection closed: " + ctx.channel().remoteAddress());
    factory.removeClient(key, client);//from w  ww  .j  av a2s .  com
}

From source file:code.google.nfs.rpc.netty.serialize.NettyProtocolDecoder.java

License:Apache License

@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
    if (decodeWasNull) {
        decodeWasNull = false;//from w w w.j a v  a 2  s. co  m
        if (!ctx.channel().config().isAutoRead()) {
            ctx.read();
        }
    }
    ctx.fireChannelReadComplete();
}

From source file:code.google.nfs.rpc.netty.server.NettyServerHandler.java

License:Apache License

private void sendErrorResponse(final ChannelHandlerContext ctx, final RequestWrapper request) {
    ResponseWrapper responseWrapper = new ResponseWrapper(request.getId(), request.getCodecType(),
            request.getProtocolType());/*from   www.  j  a  v a 2 s  .  c o m*/
    responseWrapper.setException(
            new Exception("server threadpool full,maybe because server is slow or too many requests"));
    ChannelFuture wf = ctx.channel().writeAndFlush(responseWrapper);
    wf.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                LOGGER.error("server write response error,request id is: " + request.getId());
            }
        }
    });
}

From source file:code.google.nfs.rpc.netty4.client.Netty4ClientHandler.java

License:Apache License

public void channelInactive(ChannelHandlerContext ctx) throws Exception {
    LOGGER.warn("connection closed: " + ctx.channel().remoteAddress());
    factory.removeClient(key, client);/* ww w. j  a va2 s  .  com*/
}