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

Example 26 with Request

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

the class HeaderExchangeHandler method received.

public void received(Channel channel, Object message) throws RemotingException {
    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) {
            if (isClientSide(channel)) {
                Exception e = new Exception("Dubbo client can not supported string message: " + message + " in channel: " + channel + ", url: " + channel.getUrl());
                logger.error(e.getMessage(), e);
            } else {
                String echo = handler.telnet(channel, (String) message);
                if (echo != null && echo.length() > 0) {
                    channel.send(echo);
                }
            }
        } else {
            handler.received(exchangeChannel, message);
        }
    } finally {
        HeaderExchangeChannel.removeChannelIfDisconnected(channel);
    }
}

Example 27 with Request

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

the class ExchangeCodecTest method test_Decode_Return_Request_Event_String.

@Test
public void test_Decode_Return_Request_Event_String() 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 };
    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);
}

Example 28 with Request

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

the class ExchangeCodecTest method test_Encode_Request.

@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());
}

Example 29 with Request

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

the class ExchangeCodecTest method test_Decode_Error_Request_Object.

@Test
public void test_Decode_Error_Request_Object() throws IOException {
    //00000010-response/oneway/hearbeat=true |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);
    //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);
}

Example 30 with Request

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

the class ExchangeCodecTest method testMessageLengthExceedPayloadLimitWhenEncode.

@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();
    } catch (IOException e) {
        Assert.assertTrue(e.getMessage().startsWith("Data length too large: " + 6));
    }
    Response response = new Response(1L);
    response.setResult("hello");
    encodeBuffer = ChannelBuffers.dynamicBuffer(512);
    channel = getServerSideChannel(url.addParameter(Constants.PAYLOAD_KEY, 4));
    codec.encode(channel, encodeBuffer, response);
    Assert.assertTrue(channel.getReceivedMessage() instanceof Response);
    Response receiveMessage = (Response) channel.getReceivedMessage();
    Assert.assertEquals(Response.BAD_RESPONSE, receiveMessage.getStatus());
    Assert.assertTrue(receiveMessage.getErrorMessage().contains("Data length too large: "));
}