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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                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;
        }
    }
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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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            }

            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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        byte[] request = getRequestBytes(person, header);
        //bad object
        byte[] badbytes = new byte[]{-1,-2,-3,-4,-3,-4,-3,-4,-3,-4,-3,-4};
        System.arraycopy(badbytes, 0, request, 21, badbytes.length);
       
        Request obj = (Request)decode(request);
        Assert.assertEquals(true, obj.isBroken());
        Assert.assertEquals(true, obj.getData() instanceof Throwable);
    }
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    @Test
    public void test_Encode_Request() throws IOException{
        ChannelBuffer encodeBuffer = ChannelBuffers.dynamicBuffer(2014);
        Channel channel = getCliendSideChannel(url);
        Request request = new Request();
        Person person = new Person();
        request.setData(person);
       
        codec.encode(channel, encodeBuffer, request);

        //encode resault check need decode
        byte[] data = new byte[encodeBuffer.writerIndex()];
        encodeBuffer.readBytes(data);
        ChannelBuffer decodeBuffer = ChannelBuffers.wrappedBuffer(data);
        Request obj = (Request)codec.decode(channel, decodeBuffer);
        Assert.assertEquals(request.isBroken(), obj.isBroken());
        Assert.assertEquals(request.isHeartbeat(), obj.isHeartbeat());
        Assert.assertEquals(request.isTwoWay(), obj.isTwoWay());
        Assert.assertEquals(person, obj.getData());
    }
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    // http://code.alibabatech.com/jira/browse/DUBBO-392
    @Test
    public void testMessageLengthGreaterThanMessageActualLength() throws Exception {
        Channel channel = getCliendSideChannel(url);
        Request request = new Request(1L);
        request.setVersion("2.0.0");
        Date date = new Date();
        request.setData(date);
        ChannelBuffer encodeBuffer = ChannelBuffers.dynamicBuffer(1024);
        codec.encode(channel, encodeBuffer, request);
        byte[] bytes = new byte[encodeBuffer.writerIndex()];
        encodeBuffer.readBytes(bytes);
        int len = Bytes.bytes2int(bytes, 12);
        ByteArrayOutputStream out = new ByteArrayOutputStream(1024);
        out.write(bytes, 0, 12);
        /*
         * 填充长度不能低于256，hessian每次默认会从流中读取256个byte.
         * 参见 Hessian2Input.readBuffer
         */
        int padding = 512;
        out.write(Bytes.int2bytes(len + padding));
        out.write(bytes, 16, bytes.length - 16);
        for(int i = 0; i < padding; i++) {
            out.write(1);
        }
        out.write(bytes);
        /* request|1111...|request */
        ChannelBuffer decodeBuffer = ChannelBuffers.wrappedBuffer(out.toByteArray());
        Request decodedRequest = (Request)codec.decode(channel, decodeBuffer);
        Assert.assertTrue(date.equals(decodedRequest.getData()));
        Assert.assertEquals(bytes.length + padding, decodeBuffer.readerIndex());
        decodedRequest = (Request)codec.decode(channel, decodeBuffer);
        Assert.assertTrue(date.equals(decodedRequest.getData()));
    }
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        Assert.assertTrue(date.equals(decodedRequest.getData()));
    }

    @Test
    public void testMessageLengthExceedPayloadLimitWhenEncode() throws Exception {
        Request request = new Request(1L);
        request.setData("hello");
        ChannelBuffer encodeBuffer = ChannelBuffers.dynamicBuffer(512);
        AbstractMockChannel channel = getCliendSideChannel(url.addParameter(Constants.PAYLOAD_KEY, 4));
        try {
            codec.encode(channel, encodeBuffer, request);
            Assert.fail();
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        task.run();
        List<Object> objects = channel.getSentObjects();
        Assert.assertTrue(objects.size() > 0);
        Object obj = objects.get(0);
        Assert.assertTrue(obj instanceof Request);
        Request request = (Request)obj;
        Assert.assertTrue(request.isHeartbeat());
    }
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        //|10011111|20-stats=ok|id=0|length=0
        byte[] header = new byte[] { MAGIC_HIGH, MAGIC_LOW, (byte) 0xff, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
        Person person = new Person();
        byte[] request = getRequestBytes(person, header);
       
        Request obj = (Request)decode(request);
        Assert.assertEquals(person, obj.getData());
        Assert.assertEquals(true, obj.isTwoWay());
        Assert.assertEquals(true, obj.isEvent());
        Assert.assertEquals("2.0.0", obj.getVersion());
        System.out.println(obj);
    }
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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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