Package com.alibaba.dubbo.remoting.exchange

Examples of com.alibaba.dubbo.remoting.exchange.Request

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                res.setErrorMessage(deserialize(s, channel.getUrl(), is).readUTF());
            }
            return res;
        } else {
            // decode request.
            Request req = new Request(id);
            req.setVersion("2.0.0");
            req.setTwoWay((flag & FLAG_TWOWAY) != 0);
            if ((flag & FLAG_EVENT) != 0) {
                req.setEvent(Request.HEARTBEAT_EVENT);
            }
            try {
                Object data;
                if (req.isHeartbeat()) {
                    data = decodeHeartbeatData(channel, deserialize(s, channel.getUrl(), is));
                } else if (req.isEvent()) {
                    data = decodeEventData(channel, deserialize(s, channel.getUrl(), is));
                } else {
                    DecodeableRpcInvocation inv;
                    if (channel.getUrl().getParameter(
                        Constants.DECODE_IN_IO_THREAD_KEY,
                        Constants.DEFAULT_DECODE_IN_IO_THREAD)) {
                        inv = new DecodeableRpcInvocation(channel, req, is, proto);
                        inv.decode();
                    } else {
                        inv = new DecodeableRpcInvocation(channel, req,
                                                          new UnsafeByteArrayInputStream(readMessageData(is)), proto);
                    }
                    data = inv;
                }
                req.setData(data);
            } catch (Throwable t) {
                if (log.isWarnEnabled()) {
                    log.warn("Decode request failed: " + t.getMessage(), t);
                }
                // bad request
                req.setBroken(true);
                req.setData(t);
            }
            return req;
        }
    }
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        doClose();
        server.close(timeout);
    }
   
    private void sendChannelReadOnlyEvent(){
        Request request = new Request();
        request.setEvent(Request.READONLY_EVENT);
        request.setTwoWay(false);
        request.setVersion(Version.getVersion());
       
        Collection<Channel> channels = getChannels();
        for (Channel channel : channels) {
            try {
                if (channel.isConnected())channel.send(request, getUrl().getParameter(Constants.CHANNEL_READONLYEVENT_SENT_KEY, true));
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                            HeaderExchangeHandler.KEY_READ_TIMESTAMP );
                    Long lastWrite = ( Long ) channel.getAttribute(
                            HeaderExchangeHandler.KEY_WRITE_TIMESTAMP );
                    if ( ( lastRead != null && now - lastRead > heartbeat )
                            || ( lastWrite != null && now - lastWrite > heartbeat ) ) {
                        Request req = new Request();
                        req.setVersion( "2.0.0" );
                        req.setTwoWay( true );
                        req.setEvent( Request.HEARTBEAT_EVENT );
                        channel.send( req );
                        if ( logger.isDebugEnabled() ) {
                            logger.debug( "Send heartbeat to remote channel " + channel.getRemoteAddress()
                                                  + ", cause: The channel has no data-transmission exceeds a heartbeat period: " + heartbeat + "ms" );
                        }
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            }
        } catch (Throwable t) {
            exception = t;
        }
        if (message instanceof Request) {
            Request request = (Request) message;
            DefaultFuture.sent(channel, request);
        }
        if (exception != null) {
            if (exception instanceof RuntimeException) {
                throw (RuntimeException) exception;
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        channel.setAttribute(KEY_READ_TIMESTAMP, System.currentTimeMillis());
        ExchangeChannel exchangeChannel = HeaderExchangeChannel.getOrAddChannel(channel);
        try {
            if (message instanceof Request) {
                // handle request.
                Request request = (Request) message;
                if (request.isEvent()) {
                    handlerEvent(channel, request);
                } else {
                    if (request.isTwoWay()) {
                        Response response = handleRequest(exchangeChannel, request);
                        channel.send(response);
                    } else {
                        handler.received(exchangeChannel, request.getData());
                    }
                }
            } else if (message instanceof Response) {
                handleResponse(channel, (Response) message);
            } else if (message instanceof String) {
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    public void caught(Channel channel, Throwable exception) throws RemotingException {
        if (exception instanceof ExecutionException) {
            ExecutionException e = (ExecutionException) exception;
            Object msg = e.getRequest();
            if (msg instanceof Request) {
                Request req = (Request) msg;
                if (req.isTwoWay() && ! req.isHeartbeat()) {
                    Response res = new Response(req.getId(), req.getVersion());
                    res.setStatus(Response.SERVER_ERROR);
                    res.setErrorMessage(StringUtils.toString(e));
                    channel.send(res);
                    return;
                }
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            }

            result.setArguments( parameters.toArray() );
            result.setParameterTypes(parameterTypes.toArray(new Class[parameterTypes.size()]));

            Request request = new Request( id );
            request.setData( result );

            cachedRequest.putIfAbsent( id,
                                       RequestData.create( message.seqid, serviceName, message.name ) );

            return request;
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        if (message instanceof Request
                || message instanceof Response
                || message instanceof String) {
            channel.send(message, sent);
        } else {
            Request request = new Request();
            request.setVersion("2.0.0");
            request.setTwoWay(false);
            request.setData(message);
            channel.send(request, sent);
        }
    }
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    public ResponseFuture request(Object request, int timeout) throws RemotingException {
        if (closed) {
            throw new RemotingException(this.getLocalAddress(), null, "Failed to send request " + request + ", cause: The channel " + this + " is closed!");
        }
        // create request.
        Request req = new Request();
        req.setVersion("2.0.0");
        req.setTwoWay(true);
        req.setData(request);
        DefaultFuture future = new DefaultFuture(channel, req, timeout);
        try{
            channel.send(req);
        }catch (RemotingException e) {
            future.cancel();
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    }

    public void received(Channel channel, Object message) throws RemotingException {
        setReadTimestamp(channel);
        if (isHeartbeatRequest(message)) {
            Request req = (Request) message;
            if (req.isTwoWay()) {
                Response res = new Response(req.getId(), req.getVersion());
                res.setEvent(Response.HEARTBEAT_EVENT);
                channel.send(res);
                if (logger.isInfoEnabled()) {
                    int heartbeat = channel.getUrl().getParameter(Constants.HEARTBEAT_KEY, 0);
                    if(logger.isDebugEnabled()) {
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Related Classes of com.alibaba.dubbo.remoting.exchange.Request

  • com.alibaba.dubbo.examples.heartbeat.HeartBeatExchangeHandler
  • com.alibaba.dubbo.remoting.codec.ExchangeCodecTest
  • com.alibaba.dubbo.remoting.exchange.codec.ExchangeCodec
  • com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeChannel
  • com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeHandler
  • com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeServer
  • com.alibaba.dubbo.remoting.exchange.support.header.HeaderExchangeServer$HeartBeatTask
  • com.alibaba.dubbo.remoting.exchange.support.header.HeartbeatHandler
  • com.alibaba.dubbo.remoting.exchange.support.header.HeartBeatTask
  • com.alibaba.dubbo.remoting.exchange.support.header.HeartBeatTaskTest
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