Package com.alibaba.dubbo.remoting.exchange

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

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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 };
        String event = Request.READONLY_EVENT;
        byte[] request = getRequestBytes(event, header);
       
        Request obj = (Request)decode(request);
        Assert.assertEquals(event, 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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    @Test
    public void test_Decode_Return_Request_Heartbeat_Object() throws IOException{
        //|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 };
        byte[] request = getRequestBytes(null, header);
        Request obj = (Request)decode(request);
        Assert.assertEquals(null, obj.getData());
        Assert.assertEquals(true, obj.isTwoWay());
        Assert.assertEquals(true, obj.isHeartbeat());
        Assert.assertEquals("2.0.0", obj.getVersion());
        System.out.println(obj);
    }
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        //|10011111|20-stats=ok|id=0|length=0
        byte[] header = new byte[] { MAGIC_HIGH, MAGIC_LOW, (byte) 0xdf, 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(false, obj.isHeartbeat());
        Assert.assertEquals("2.0.0", obj.getVersion());
        System.out.println(obj);
    }
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    }

    @Override
    public void received( Channel channel, Object message ) throws RemotingException {
        if ( message instanceof Request ) {
            Request req = ( Request ) message;
            if ( req.isHeartbeat() ) {
                heartBeatCounter.incrementAndGet();
                channel.setAttribute(KEY_READ_TIMESTAMP, System.currentTimeMillis());
                Response res = new Response( req.getId(), req.getVersion() );
                res.setEvent( req.getData() == null ? null : req.getData().toString() );
                channel.send( res );
            }
        } else {
            super.received( channel, message );
        }
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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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    private Channel channel = new MockedChannel(URL.valueOf("thrift://127.0.0.1"));

    @Test
    public void testEncodeRequest() throws Exception {

        Request request = createRequest();

        ChannelBuffer output = ChannelBuffers.dynamicBuffer(1024);

        codec.encode( channel, output, request );

        byte[] bytes = new byte[output.readableBytes()];
        output.readBytes(bytes);

        ByteArrayInputStream bis = new ByteArrayInputStream( bytes );

        TTransport transport = new TIOStreamTransport( bis );

        TBinaryProtocol protocol = new TBinaryProtocol( transport );

        // frame
        byte[] length = new byte[4];
        transport.read( length, 0, 4 );

        if ( bis.markSupported() ) {
            bis.mark( 0 );
        }

        // magic
        Assert.assertEquals( ThriftCodec.MAGIC, protocol.readI16() );

        // message length
        int messageLength = protocol.readI32();
        Assert.assertEquals( messageLength + 4, bytes.length );

        // header length
        short headerLength = protocol.readI16();
        // version
        Assert.assertEquals( ThriftCodec.VERSION, protocol.readByte() );
        // service name
        Assert.assertEquals( Demo.Iface.class.getName(), protocol.readString() );
        // dubbo request id
        Assert.assertEquals( request.getId(), protocol.readI64() );

        // test message header length
        if ( bis.markSupported() ) {
            bis.reset();
            bis.skip( headerLength );
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        Channel channel = new MockedChannel( url );

        RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream( 128 );

        Request request = createRequest();

        DefaultFuture future = new DefaultFuture( channel, request, 10 );

        TMessage message = new TMessage( "echoString", TMessageType.REPLY, ThriftCodec.getSeqId() );

        Demo.echoString_result methodResult = new Demo.echoString_result();

        methodResult.success = "Hello, World!";

        TTransport transport = new TIOStreamTransport( bos );

        TBinaryProtocol protocol = new TBinaryProtocol( transport );

        int messageLength, headerLength;
        // prepare
        protocol.writeI16( ThriftCodec.MAGIC );
        protocol.writeI32( Integer.MAX_VALUE );
        protocol.writeI16( Short.MAX_VALUE );
        protocol.writeByte( ThriftCodec.VERSION );
        protocol.writeString( Demo.Iface.class.getName() );
        protocol.writeI64( request.getId() );
        protocol.getTransport().flush();
        headerLength = bos.size();

        protocol.writeMessageBegin( message );
        methodResult.write( protocol );
        protocol.writeMessageEnd();
        protocol.getTransport().flush();
        int oldIndex = messageLength = bos.size();

        try {
            bos.setWriteIndex( ThriftCodec.MESSAGE_LENGTH_INDEX );
            protocol.writeI32( messageLength );
            bos.setWriteIndex( ThriftCodec.MESSAGE_HEADER_LENGTH_INDEX );
            protocol.writeI16( ( short ) ( 0xffff & headerLength ) );
        } finally {
            bos.setWriteIndex( oldIndex );
        }
        // prepare

        byte[] buf = new byte[ 4 + bos.size()];
        System.arraycopy( bos.toByteArray(), 0, buf, 4, bos.size() );

        ChannelBuffer bis = ChannelBuffers.wrappedBuffer(buf);

        Object obj = codec.decode( ( Channel ) null, bis );

        Assert.assertNotNull( obj );

        Assert.assertEquals( true, obj instanceof Response );

        Response response = ( Response ) obj;

        Assert.assertEquals( request.getId(), response.getId() );

        Assert.assertTrue( response.getResult() instanceof RpcResult );

        RpcResult result = ( RpcResult ) response.getResult();
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        Channel channel = new MockedChannel( url );

        RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream( 128 );

        Request request = createRequest();

        DefaultFuture future = new DefaultFuture( channel, request, 10 );

        TMessage message = new TMessage( "echoString", TMessageType.EXCEPTION, ThriftCodec.getSeqId() );

        TTransport transport = new TIOStreamTransport( bos );

        TBinaryProtocol protocol = new TBinaryProtocol( transport );

        TApplicationException exception = new TApplicationException();

        int messageLength, headerLength;
        // prepare
        protocol.writeI16( ThriftCodec.MAGIC );
        protocol.writeI32( Integer.MAX_VALUE );
        protocol.writeI16( Short.MAX_VALUE );
        protocol.writeByte( ThriftCodec.VERSION );
        protocol.writeString( Demo.class.getName() );
        protocol.writeI64( request.getId() );
        protocol.getTransport().flush();
        headerLength = bos.size();

        protocol.writeMessageBegin( message );
        exception.write( protocol );
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        URL url = URL.valueOf( ThriftProtocol.NAME + "://127.0.0.1:40880/" + Demo.Iface.class.getName() );

        Channel channel = new MockedChannel( url );

        Request request = createRequest();

        RpcResult rpcResult = new RpcResult();
        rpcResult.setResult( "Hello, World!" );

        Response response = new Response();
        response.setResult( rpcResult );
        response.setId( request.getId() );
        ChannelBuffer bos = ChannelBuffers.dynamicBuffer(1024);

        ThriftCodec.RequestData rd = ThriftCodec.RequestData.create(
                ThriftCodec.getSeqId(), Demo.Iface.class.getName(), "echoString" );
        ThriftCodec.cachedRequest.putIfAbsent( request.getId(), rd );
        codec.encode( channel, bos, response );

        byte[] buf = new byte[bos.writerIndex() - 4];
        System.arraycopy( bos.array(), 4, buf, 0, bos.writerIndex() - 4 );

        ByteArrayInputStream bis = new ByteArrayInputStream( buf );

        if ( bis.markSupported() ) {
            bis.mark( 0 );
        }

        TIOStreamTransport transport = new TIOStreamTransport( bis );
        TBinaryProtocol protocol = new TBinaryProtocol( transport );

        Assert.assertEquals( ThriftCodec.MAGIC, protocol.readI16() );
        Assert.assertEquals( protocol.readI32() + 4, bos.writerIndex() );
        int headerLength = protocol.readI16();

        Assert.assertEquals( ThriftCodec.VERSION, protocol.readByte() );
        Assert.assertEquals( Demo.Iface.class.getName(), protocol.readString() );
        Assert.assertEquals( request.getId(), protocol.readI64() );

        if ( bis.markSupported() ) {
            bis.reset();
            bis.skip( headerLength );
        }
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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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