Examples with TMessage org.apache.thrift.protocol.TMessage used on opensource projects

Example 1 with TMessage

use of org.apache.thrift.protocol.TMessage in project hive by apache.

the class TUGIBasedProcessor method handleSetUGI.

private void handleSetUGI(TUGIContainingTransport ugiTrans, set_ugi<Iface> fn, TMessage msg, TProtocol iprot, TProtocol oprot) throws TException, SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException {
    UserGroupInformation clientUgi = ugiTrans.getClientUGI();
    if (null != clientUgi) {
        throw new TException(new IllegalStateException("UGI is already set. Resetting is not " + "allowed. Current ugi is: " + clientUgi.getUserName()));
    }
    set_ugi_args args = fn.getEmptyArgsInstance();
    try {
        args.read(iprot);
    } catch (TProtocolException e) {
        iprot.readMessageEnd();
        TApplicationException x = new TApplicationException(TApplicationException.PROTOCOL_ERROR, e.getMessage());
        oprot.writeMessageBegin(new TMessage(msg.name, TMessageType.EXCEPTION, msg.seqid));
        x.write(oprot);
        oprot.writeMessageEnd();
        oprot.getTransport().flush();
        return;
    }
    iprot.readMessageEnd();
    set_ugi_result result = fn.getResult(iface, args);
    List<String> principals = result.getSuccess();
    // Store the ugi in transport and then continue as usual.
    ugiTrans.setClientUGI(UserGroupInformation.createRemoteUser(principals.remove(principals.size() - 1)));
    oprot.writeMessageBegin(new TMessage(msg.name, TMessageType.REPLY, msg.seqid));
    result.write(oprot);
    oprot.writeMessageEnd();
    oprot.getTransport().flush();
}

Example 2 with TMessage

use of org.apache.thrift.protocol.TMessage in project dubbo by alibaba.

the class ThriftCodec method encodeRequest.

private void encodeRequest(Channel channel, ChannelBuffer buffer, Request request) throws IOException {
    RpcInvocation inv = (RpcInvocation) request.getData();
    int seqId = nextSeqId();
    String serviceName = inv.getAttachment(Constants.INTERFACE_KEY);
    if (StringUtils.isEmpty(serviceName)) {
        throw new IllegalArgumentException(new StringBuilder(32).append("Could not find service name in attachment with key ").append(Constants.INTERFACE_KEY).toString());
    }
    TMessage message = new TMessage(inv.getMethodName(), TMessageType.CALL, seqId);
    String methodArgs = ExtensionLoader.getExtensionLoader(ClassNameGenerator.class).getExtension(channel.getUrl().getParameter(ThriftConstants.CLASS_NAME_GENERATOR_KEY, ThriftClassNameGenerator.NAME)).generateArgsClassName(serviceName, inv.getMethodName());
    if (StringUtils.isEmpty(methodArgs)) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, new StringBuilder(32).append("Could not encode request, the specified interface may be incorrect.").toString());
    }
    Class<?> clazz = cachedClass.get(methodArgs);
    if (clazz == null) {
        try {
            clazz = ClassHelper.forNameWithThreadContextClassLoader(methodArgs);
            cachedClass.putIfAbsent(methodArgs, clazz);
        } catch (ClassNotFoundException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }
    }
    TBase args;
    try {
        args = (TBase) clazz.newInstance();
    } catch (InstantiationException e) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
    } catch (IllegalAccessException e) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
    }
    for (int i = 0; i < inv.getArguments().length; i++) {
        Object obj = inv.getArguments()[i];
        if (obj == null) {
            continue;
        }
        TFieldIdEnum field = args.fieldForId(i + 1);
        String setMethodName = ThriftUtils.generateSetMethodName(field.getFieldName());
        Method method;
        try {
            method = clazz.getMethod(setMethodName, inv.getParameterTypes()[i]);
        } catch (NoSuchMethodException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }
        try {
            method.invoke(args, obj);
        } catch (IllegalAccessException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        } catch (InvocationTargetException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }
    }
    RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream(1024);
    TIOStreamTransport transport = new TIOStreamTransport(bos);
    TBinaryProtocol protocol = new TBinaryProtocol(transport);
    int headerLength, messageLength;
    byte[] bytes = new byte[4];
    try {
        // magic
        protocol.writeI16(MAGIC);
        // message length placeholder
        protocol.writeI32(Integer.MAX_VALUE);
        // message header length placeholder
        protocol.writeI16(Short.MAX_VALUE);
        // version
        protocol.writeByte(VERSION);
        // service name
        protocol.writeString(serviceName);
        // dubbo request id
        protocol.writeI64(request.getId());
        protocol.getTransport().flush();
        // header size
        headerLength = bos.size();
        // message body
        protocol.writeMessageBegin(message);
        args.write(protocol);
        protocol.writeMessageEnd();
        protocol.getTransport().flush();
        int oldIndex = messageLength = bos.size();
        // fill in message length and header length
        try {
            TFramedTransport.encodeFrameSize(messageLength, bytes);
            bos.setWriteIndex(MESSAGE_LENGTH_INDEX);
            protocol.writeI32(messageLength);
            bos.setWriteIndex(MESSAGE_HEADER_LENGTH_INDEX);
            protocol.writeI16((short) (0xffff & headerLength));
        } finally {
            bos.setWriteIndex(oldIndex);
        }
    } catch (TException e) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
    }
    buffer.writeBytes(bytes);
    buffer.writeBytes(bos.toByteArray());
}

Example 3 with TMessage

use of org.apache.thrift.protocol.TMessage 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 4 with TMessage

use of org.apache.thrift.protocol.TMessage in project dubbo by alibaba.

the class ThriftCodecTest method testEncodeRequest.

@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);
    }
    TMessage message = protocol.readMessageBegin();
    Demo.echoString_args args = new Demo.echoString_args();
    args.read(protocol);
    protocol.readMessageEnd();
    Assert.assertEquals("echoString", message.name);
    Assert.assertEquals(TMessageType.CALL, message.type);
    Assert.assertEquals("Hello, World!", args.getArg());
}

Example 5 with TMessage

use of org.apache.thrift.protocol.TMessage in project dubbo by alibaba.

the class ThriftCodecTest method testEncodeReplyResponse.

@Test
public void testEncodeReplyResponse() 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();
    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);
    }
    TMessage message = protocol.readMessageBegin();
    Assert.assertEquals("echoString", message.name);
    Assert.assertEquals(TMessageType.REPLY, message.type);
    Assert.assertEquals(ThriftCodec.getSeqId(), message.seqid);
    Demo.echoString_result result = new Demo.echoString_result();
    result.read(protocol);
    protocol.readMessageEnd();
    Assert.assertEquals(rpcResult.getValue(), result.getSuccess());
}