Examples with Response org.apache.dubbo.remoting.exchange.Response used on opensource projects

Example 21 with Response

use of org.apache.dubbo.remoting.exchange.Response in project dubbo by alibaba.

the class ThriftCodecTest method testDecodeReplyResponse.

@Test
public void testDecodeReplyResponse() throws Exception {
    int port = NetUtils.getAvailablePort();
    URL url = URL.valueOf(ThriftProtocol.NAME + "://127.0.0.1:" + port + "/" + Demo.Iface.class.getName());
    Channel channel = new MockedChannel(url);
    RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream(128);
    Request request = createRequest();
    DefaultFuture future = DefaultFuture.newFuture(channel, request, 10, null);
    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());
    // path
    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);
    Assertions.assertNotNull(obj);
    Assertions.assertTrue(obj instanceof Response);
    Response response = (Response) obj;
    Assertions.assertEquals(request.getId(), response.getId());
    Assertions.assertTrue(response.getResult() instanceof AppResponse);
    AppResponse result = (AppResponse) response.getResult();
    Assertions.assertTrue(result.getValue() instanceof String);
    Assertions.assertEquals(methodResult.success, result.getValue());
}

Example 22 with Response

use of org.apache.dubbo.remoting.exchange.Response in project dubbo by alibaba.

the class HeaderExchangeHandlerTest method test_received_request_twoway_error_reqeustBroken.

@Test
public void test_received_request_twoway_error_reqeustBroken() throws RemotingException {
    final Request request = new Request();
    request.setTwoWay(true);
    request.setData(new BizException());
    request.setBroken(true);
    final AtomicInteger count = new AtomicInteger(0);
    final Channel mchannel = new MockedChannel() {

        @Override
        public void send(Object message) throws RemotingException {
            Response res = (Response) message;
            Assertions.assertEquals(request.getId(), res.getId());
            Assertions.assertEquals(request.getVersion(), res.getVersion());
            Assertions.assertEquals(Response.BAD_REQUEST, res.getStatus());
            Assertions.assertNull(res.getResult());
            Assertions.assertTrue(res.getErrorMessage().contains(BizException.class.getName()));
            count.incrementAndGet();
        }
    };
    HeaderExchangeHandler hexhandler = new HeaderExchangeHandler(new MockedExchangeHandler());
    hexhandler.received(mchannel, request);
    Assertions.assertEquals(1, count.get());
}

Example 23 with Response

use of org.apache.dubbo.remoting.exchange.Response in project dubbo by alibaba.

the class HeaderExchangeHandlerTest method test_received_request_twoway_error_reply.

@Test
public void test_received_request_twoway_error_reply() throws RemotingException {
    final Person requestdata = new Person("charles");
    final Request request = new Request();
    request.setTwoWay(true);
    request.setData(requestdata);
    final AtomicInteger count = new AtomicInteger(0);
    final Channel mchannel = new MockedChannel() {

        @Override
        public void send(Object message) throws RemotingException {
            Response res = (Response) message;
            Assertions.assertEquals(request.getId(), res.getId());
            Assertions.assertEquals(request.getVersion(), res.getVersion());
            Assertions.assertEquals(Response.SERVICE_ERROR, res.getStatus());
            Assertions.assertNull(res.getResult());
            Assertions.assertTrue(res.getErrorMessage().contains(BizException.class.getName()));
            count.incrementAndGet();
        }
    };
    ExchangeHandler exhandler = new MockedExchangeHandler() {

        @Override
        public CompletableFuture<Object> reply(ExchangeChannel channel, Object request) throws RemotingException {
            throw new BizException();
        }
    };
    HeaderExchangeHandler hexhandler = new HeaderExchangeHandler(exhandler);
    hexhandler.received(mchannel, request);
    Assertions.assertEquals(1, count.get());
}

Example 24 with Response

use of org.apache.dubbo.remoting.exchange.Response in project dubbo by alibaba.

the class DeprecatedExchangeCodec method encodeResponse.

protected void encodeResponse(Channel channel, OutputStream os, Response res) throws IOException {
    try {
        Serialization serialization = CodecSupport.getSerialization(channel.getUrl());
        // header.
        byte[] header = new byte[HEADER_LENGTH];
        // set magic number.
        Bytes.short2bytes(MAGIC, header);
        // set request and serialization flag.
        header[2] = serialization.getContentTypeId();
        if (res.isHeartbeat())
            header[2] |= FLAG_EVENT;
        // set response status.
        byte status = res.getStatus();
        header[3] = status;
        // set request id.
        Bytes.long2bytes(res.getId(), header, 4);
        UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
        ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
        // encode response data or error message.
        if (status == Response.OK) {
            if (res.isHeartbeat()) {
                encodeHeartbeatData(channel, out, res.getResult());
            } else {
                encodeResponseData(channel, out, res.getResult());
            }
        } else
            out.writeUTF(res.getErrorMessage());
        out.flushBuffer();
        bos.flush();
        bos.close();
        byte[] data = bos.toByteArray();
        checkPayload(channel, data.length);
        Bytes.int2bytes(data.length, header, 12);
        // write
        // write header.
        os.write(header);
        // write data.
        os.write(data);
    } catch (Throwable t) {
        // send error message to Consumer, otherwise, Consumer will wait until timeout.
        if (!res.isEvent() && res.getStatus() != Response.BAD_RESPONSE) {
            try {
                // FIXME log error info in Codec and put all error handle logic in IoHanndler?
                logger.warn("Fail to encode response: " + res + ", send bad_response info instead, cause: " + t.getMessage(), t);
                Response r = new Response(res.getId(), res.getVersion());
                r.setStatus(Response.BAD_RESPONSE);
                r.setErrorMessage("Failed to send response: " + res + ", cause: " + StringUtils.toString(t));
                channel.send(r);
                return;
            } catch (RemotingException e) {
                logger.warn("Failed to send bad_response info back: " + res + ", cause: " + e.getMessage(), e);
            }
        }
        // Rethrow exception
        if (t instanceof IOException) {
            throw (IOException) t;
        } else if (t instanceof RuntimeException) {
            throw (RuntimeException) t;
        } else if (t instanceof Error) {
            throw (Error) t;
        } else {
            throw new RuntimeException(t.getMessage(), t);
        }
    }
}

Example 25 with Response

use of org.apache.dubbo.remoting.exchange.Response in project dubbo by alibaba.

the class ThriftCodecTest method testEncodeReplyResponse.

@Test
public void testEncodeReplyResponse() throws Exception {
    int port = NetUtils.getAvailablePort();
    URL url = URL.valueOf(ThriftProtocol.NAME + "://127.0.0.1:" + port + "/" + Demo.Iface.class.getName());
    Channel channel = new MockedChannel(url);
    Request request = createRequest();
    AppResponse appResponse = new AppResponse();
    appResponse.setValue("Hello, World!");
    Response response = new Response();
    response.setResult(appResponse);
    response.setId(request.getId());
    ChannelBuffer bos = ChannelBuffers.dynamicBuffer(1024);
    ThriftCodec.RequestData rd = ThriftCodec.RequestData.create(ThriftCodec.getSeqId(), Demo.Iface.class.getName(), "echoString");
    ThriftCodec.CACHED_REQUEST.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);
    Assertions.assertEquals(ThriftCodec.MAGIC, protocol.readI16());
    Assertions.assertEquals(protocol.readI32() + 4, bos.writerIndex());
    int headerLength = protocol.readI16();
    Assertions.assertEquals(ThriftCodec.VERSION, protocol.readByte());
    Assertions.assertEquals(Demo.Iface.class.getName(), protocol.readString());
    Assertions.assertEquals(request.getId(), protocol.readI64());
    if (bis.markSupported()) {
        bis.reset();
        bis.skip(headerLength);
    }
    TMessage message = protocol.readMessageBegin();
    Assertions.assertEquals("echoString", message.name);
    Assertions.assertEquals(TMessageType.REPLY, message.type);
    // Assertions.assertEquals(ThriftCodec.getSeqId(), message.seqid);
    Demo.echoString_result result = new Demo.echoString_result();
    result.read(protocol);
    protocol.readMessageEnd();
    Assertions.assertEquals(appResponse.getValue(), result.getSuccess());
}