Package com.alibaba.dubbo.remoting.exchange

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

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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.isInfoEnabled() ) {
                            logger.info( "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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    }

    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 (log.isDebugEnabled()) {
                    log.debug(
                        new StringBuilder(32)
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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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                  res.setErrorMessage(in.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, in);
                  } else if (req.isEvent()) {
                      data = decodeEventData(channel, in);
                  } else {
                      data = decodeRequestData(channel, in);
                  }
                  req.setData(data);
              } catch (Throwable t) {
                  // bad request
                  req.setBroken(true);
                  req.setData(t);
              }
              return req;
          }
        } finally {
          try {
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    protected Object getRequestData(long id) {
        DefaultFuture future = DefaultFuture.getFuture(id);
        if (future == null)
            return null;
        Request req = future.getRequest();
        if (req == null)
            return null;
        return req.getData();
    }
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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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