Examples with Request com.alibaba.dubbo.remoting.exchange.Request used on opensource projects

Example 21 with Request

use of com.alibaba.dubbo.remoting.exchange.Request in project dubbo by alibaba.

the class ThriftCodecTest method testDecodeRequest.

@Test
public void testDecodeRequest() throws Exception {
    Request request = createRequest();
    // encode
    RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream(1024);
    TIOStreamTransport transport = new TIOStreamTransport(bos);
    TBinaryProtocol protocol = new TBinaryProtocol(transport);
    int messageLength, headerLength;
    protocol.writeI16(ThriftCodec.MAGIC);
    protocol.writeI32(Integer.MAX_VALUE);
    protocol.writeI16(Short.MAX_VALUE);
    protocol.writeByte(ThriftCodec.VERSION);
    protocol.writeString(((RpcInvocation) request.getData()).getAttachment(Constants.INTERFACE_KEY));
    protocol.writeI64(request.getId());
    protocol.getTransport().flush();
    headerLength = bos.size();
    Demo.echoString_args args = new Demo.echoString_args();
    args.setArg("Hell, World!");
    TMessage message = new TMessage("echoString", TMessageType.CALL, ThriftCodec.getSeqId());
    protocol.writeMessageBegin(message);
    args.write(protocol);
    protocol.writeMessageEnd();
    protocol.getTransport().flush();
    int oldIndex = messageLength = bos.size();
    try {
        bos.setWriteIndex(ThriftCodec.MESSAGE_HEADER_LENGTH_INDEX);
        protocol.writeI16((short) (0xffff & headerLength));
        bos.setWriteIndex(ThriftCodec.MESSAGE_LENGTH_INDEX);
        protocol.writeI32(messageLength);
    } finally {
        bos.setWriteIndex(oldIndex);
    }
    Object obj = codec.decode((Channel) null, ChannelBuffers.wrappedBuffer(encodeFrame(bos.toByteArray())));
    Assert.assertTrue(obj instanceof Request);
    obj = ((Request) obj).getData();
    Assert.assertTrue(obj instanceof RpcInvocation);
    RpcInvocation invocation = (RpcInvocation) obj;
    Assert.assertEquals("echoString", invocation.getMethodName());
    Assert.assertArrayEquals(new Class[] { String.class }, invocation.getParameterTypes());
    Assert.assertArrayEquals(new Object[] { args.getArg() }, invocation.getArguments());
}

Example 22 with Request

use of com.alibaba.dubbo.remoting.exchange.Request in project dubbo by alibaba.

the class ThriftCodecTest method testEncodeExceptionResponse.

@Test
public void testEncodeExceptionResponse() throws Exception {
    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();
    String exceptionMessage = "failed";
    rpcResult.setException(new RuntimeException(exceptionMessage));
    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.put(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);
    }
    TMessage message = protocol.readMessageBegin();
    Assert.assertEquals("echoString", message.name);
    Assert.assertEquals(TMessageType.EXCEPTION, message.type);
    Assert.assertEquals(ThriftCodec.getSeqId(), message.seqid);
    TApplicationException exception = TApplicationException.read(protocol);
    protocol.readMessageEnd();
    Assert.assertEquals(exceptionMessage, exception.getMessage());
}

Example 23 with Request

use of com.alibaba.dubbo.remoting.exchange.Request in project dubbo by alibaba.

the class ThriftCodecTest method createRequest.

private Request createRequest() {
    RpcInvocation invocation = new RpcInvocation();
    invocation.setMethodName("echoString");
    invocation.setArguments(new Object[] { "Hello, World!" });
    invocation.setParameterTypes(new Class<?>[] { String.class });
    invocation.setAttachment(Constants.INTERFACE_KEY, Demo.Iface.class.getName());
    Request request = new Request(1L);
    request.setData(invocation);
    return request;
}

Example 24 with Request

use of com.alibaba.dubbo.remoting.exchange.Request in project dubbo by alibaba.

the class HeartbeatHandler method received.

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()) {
                    logger.debug("Received heartbeat from remote channel " + channel.getRemoteAddress() + ", cause: The channel has no data-transmission exceeds a heartbeat period" + (heartbeat > 0 ? ": " + heartbeat + "ms" : ""));
                }
            }
        }
        return;
    }
    if (isHeartbeatResponse(message)) {
        if (logger.isDebugEnabled()) {
            logger.debug(new StringBuilder(32).append("Receive heartbeat response in thread ").append(Thread.currentThread().getName()).toString());
        }
        return;
    }
    handler.received(channel, message);
}

Example 25 with Request

use of com.alibaba.dubbo.remoting.exchange.Request in project dubbo by alibaba.

the class ExchangeCodec method decodeBody.

protected Object decodeBody(Channel channel, InputStream is, byte[] header) throws IOException {
    byte flag = header[2], proto = (byte) (flag & SERIALIZATION_MASK);
    Serialization s = CodecSupport.getSerialization(channel.getUrl(), proto);
    ObjectInput in = s.deserialize(channel.getUrl(), is);
    // get request id.
    long id = Bytes.bytes2long(header, 4);
    if ((flag & FLAG_REQUEST) == 0) {
        // decode response.
        Response res = new Response(id);
        if ((flag & FLAG_EVENT) != 0) {
            res.setEvent(Response.HEARTBEAT_EVENT);
        }
        // get status.
        byte status = header[3];
        res.setStatus(status);
        if (status == Response.OK) {
            try {
                Object data;
                if (res.isHeartbeat()) {
                    data = decodeHeartbeatData(channel, in);
                } else if (res.isEvent()) {
                    data = decodeEventData(channel, in);
                } else {
                    data = decodeResponseData(channel, in, getRequestData(id));
                }
                res.setResult(data);
            } catch (Throwable t) {
                res.setStatus(Response.CLIENT_ERROR);
                res.setErrorMessage(StringUtils.toString(t));
            }
        } else {
            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;
    }
}