Example usage for org.apache.thrift.transport TFramedTransport encodeFrameSize

List of usage examples for org.apache.thrift.transport TFramedTransport encodeFrameSize

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Introduction

In this page you can find the example usage for org.apache.thrift.transport TFramedTransport encodeFrameSize.

Prototype

public static final void encodeFrameSize(final int frameSize, final byte[] buf)

Source Link

Usage

From source file:com.alibaba.dubbo.rpc.protocol.thrift.ThriftCodec.java

License:Open Source License

private void encodeRequest(Channel channel, OutputStream output, 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());
    }/*from w w w . ja  v  a 2  s . c  om*/

    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);
    }

    output.write(bytes);
    bos.writeTo(output);
    output.flush();

}

From source file:com.alibaba.dubbo.rpc.protocol.thrift.ThriftCodec.java

License:Open Source License

private void encodeResponse(Channel channel, OutputStream output, Response response) throws IOException {

    RpcResult result = (RpcResult) response.getResult();

    RequestData rd = cachedRequest.get(response.getId());

    String resultClassName = ExtensionLoader
            .getExtensionLoader(ClassNameGenerator.class).getExtension(channel.getUrl()
                    .getParameter(ThriftConstants.CLASS_NAME_GENERATOR_KEY, ThriftClassNameGenerator.NAME))
            .generateResultClassName(rd.serviceName, rd.methodName);

    if (StringUtils.isEmpty(resultClassName)) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, new StringBuilder(32)
                .append("Could not encode response, the specified interface may be incorrect.").toString());
    }/*from ww w  .ja  va2  s .  c  om*/

    Class clazz = cachedClass.get(resultClassName);

    if (clazz == null) {

        try {
            clazz = ClassHelper.forNameWithThreadContextClassLoader(resultClassName);
            cachedClass.putIfAbsent(resultClassName, clazz);
        } catch (ClassNotFoundException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }

    }

    TBase resultObj;

    try {
        resultObj = (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);
    }

    TApplicationException applicationException = null;
    TMessage message;

    if (result.hasException()) {
        Throwable throwable = result.getException();
        int index = 1;
        boolean found = false;
        while (true) {
            TFieldIdEnum fieldIdEnum = resultObj.fieldForId(index++);
            if (fieldIdEnum == null) {
                break;
            }
            String fieldName = fieldIdEnum.getFieldName();
            String getMethodName = ThriftUtils.generateGetMethodName(fieldName);
            String setMethodName = ThriftUtils.generateSetMethodName(fieldName);
            Method getMethod;
            Method setMethod;
            try {
                getMethod = clazz.getMethod(getMethodName);
                if (getMethod.getReturnType().equals(throwable.getClass())) {
                    found = true;
                    setMethod = clazz.getMethod(setMethodName, throwable.getClass());
                    setMethod.invoke(resultObj, throwable);
                }
            } catch (NoSuchMethodException e) {
                throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
            } catch (InvocationTargetException e) {
                throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
            } catch (IllegalAccessException e) {
                throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
            }
        }

        if (!found) {
            applicationException = new TApplicationException(throwable.getMessage());
        }

    } else {
        Object realResult = result.getResult();
        // result field id is 0
        String fieldName = resultObj.fieldForId(0).getFieldName();
        String setMethodName = ThriftUtils.generateSetMethodName(fieldName);
        String getMethodName = ThriftUtils.generateGetMethodName(fieldName);
        Method getMethod;
        Method setMethod;
        try {
            getMethod = clazz.getMethod(getMethodName);
            setMethod = clazz.getMethod(setMethodName, getMethod.getReturnType());
            setMethod.invoke(resultObj, realResult);
        } catch (NoSuchMethodException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        } catch (InvocationTargetException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        } catch (IllegalAccessException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }

    }

    if (applicationException != null) {
        message = new TMessage(rd.methodName, TMessageType.EXCEPTION, rd.id);
    } else {
        message = new TMessage(rd.methodName, TMessageType.REPLY, rd.id);
    }

    RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream(1024);

    TIOStreamTransport transport = new TIOStreamTransport(bos);

    TBinaryProtocol protocol = new TBinaryProtocol(transport);

    int messageLength;
    int headerLength;

    byte[] bytes = new byte[4];
    try {
        // magic
        protocol.writeI16(MAGIC);
        // message length
        protocol.writeI32(Integer.MAX_VALUE);
        // message header length
        protocol.writeI16(Short.MAX_VALUE);
        // version
        protocol.writeByte(VERSION);
        // service name
        protocol.writeString(rd.serviceName);
        // id
        protocol.writeI64(response.getId());
        protocol.getTransport().flush();
        headerLength = bos.size();

        // message
        protocol.writeMessageBegin(message);
        switch (message.type) {
        case TMessageType.EXCEPTION:
            applicationException.write(protocol);
            break;
        case TMessageType.REPLY:
            resultObj.write(protocol);
            break;
        }
        protocol.writeMessageEnd();
        protocol.getTransport().flush();
        int oldIndex = messageLength = bos.size();

        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);
    }

    output.write(bytes);
    bos.writeTo(output);
    output.flush();

}

From source file:com.alibaba.dubbo.rpc.protocol.thrift.ThriftCodecTest.java

License:Open Source License

static byte[] encodeFrame(byte[] content) {
    byte[] result = new byte[4 + content.length];
    TFramedTransport.encodeFrameSize(content.length, result);
    System.arraycopy(content, 0, result, 4, content.length);
    return result;
}

From source file:net.morimekta.providence.thrift.io.FramedBufferOutputStream.java

License:Apache License

@Override
public void flush() throws IOException {
    int frameSize = buffer.position();
    if (frameSize > 0) {
        TFramedTransport.encodeFrameSize(frameSize, frameSizeBuffer);
        out.write(ByteBuffer.wrap(frameSizeBuffer));

        buffer.flip();/* w w  w. j a va 2s . c o m*/
        while (buffer.hasRemaining()) {
            out.write(buffer);
        }
        buffer.rewind();
        buffer.limit(MAX_BUFFER_SIZE);
    }
}

From source file:org.apache.dubbo.rpc.protocol.thrift.ThriftCodec.java

License:Apache License

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(
                "Could not find service name in attachment with key " + Constants.INTERFACE_KEY);
    }//from   w w  w.j  av a  2 s  .c o m

    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,
                "Could not encode request, the specified interface may be incorrect.");
    }

    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());

}

From source file:org.apache.dubbo.rpc.protocol.thrift.ThriftCodec.java

License:Apache License

private void encodeResponse(Channel channel, ChannelBuffer buffer, Response response) throws IOException {

    RpcResult result = (RpcResult) response.getResult();

    RequestData rd = cachedRequest.get(response.getId());

    String resultClassName = ExtensionLoader
            .getExtensionLoader(ClassNameGenerator.class).getExtension(channel.getUrl()
                    .getParameter(ThriftConstants.CLASS_NAME_GENERATOR_KEY, ThriftClassNameGenerator.NAME))
            .generateResultClassName(rd.serviceName, rd.methodName);

    if (StringUtils.isEmpty(resultClassName)) {
        throw new RpcException(RpcException.SERIALIZATION_EXCEPTION,
                "Could not encode response, the specified interface may be incorrect.");
    }/*w  w w .  jav a  2  s  .c  om*/

    Class clazz = cachedClass.get(resultClassName);

    if (clazz == null) {

        try {
            clazz = ClassHelper.forNameWithThreadContextClassLoader(resultClassName);
            cachedClass.putIfAbsent(resultClassName, clazz);
        } catch (ClassNotFoundException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }

    }

    TBase resultObj;

    try {
        resultObj = (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);
    }

    TApplicationException applicationException = null;
    TMessage message;

    if (result.hasException()) {
        Throwable throwable = result.getException();
        int index = 1;
        boolean found = false;
        while (true) {
            TFieldIdEnum fieldIdEnum = resultObj.fieldForId(index++);
            if (fieldIdEnum == null) {
                break;
            }
            String fieldName = fieldIdEnum.getFieldName();
            String getMethodName = ThriftUtils.generateGetMethodName(fieldName);
            String setMethodName = ThriftUtils.generateSetMethodName(fieldName);
            Method getMethod;
            Method setMethod;
            try {
                getMethod = clazz.getMethod(getMethodName);
                if (getMethod.getReturnType().equals(throwable.getClass())) {
                    found = true;
                    setMethod = clazz.getMethod(setMethodName, throwable.getClass());
                    setMethod.invoke(resultObj, throwable);
                }
            } catch (NoSuchMethodException e) {
                throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
            } catch (InvocationTargetException e) {
                throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
            } catch (IllegalAccessException e) {
                throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
            }
        }

        if (!found) {
            applicationException = new TApplicationException(throwable.getMessage());
        }

    } else {
        Object realResult = result.getResult();
        // result field id is 0
        String fieldName = resultObj.fieldForId(0).getFieldName();
        String setMethodName = ThriftUtils.generateSetMethodName(fieldName);
        String getMethodName = ThriftUtils.generateGetMethodName(fieldName);
        Method getMethod;
        Method setMethod;
        try {
            getMethod = clazz.getMethod(getMethodName);
            setMethod = clazz.getMethod(setMethodName, getMethod.getReturnType());
            setMethod.invoke(resultObj, realResult);
        } catch (NoSuchMethodException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        } catch (InvocationTargetException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        } catch (IllegalAccessException e) {
            throw new RpcException(RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e);
        }

    }

    if (applicationException != null) {
        message = new TMessage(rd.methodName, TMessageType.EXCEPTION, rd.id);
    } else {
        message = new TMessage(rd.methodName, TMessageType.REPLY, rd.id);
    }

    RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream(1024);

    TIOStreamTransport transport = new TIOStreamTransport(bos);

    TBinaryProtocol protocol = new TBinaryProtocol(transport);

    int messageLength;
    int headerLength;

    byte[] bytes = new byte[4];
    try {
        // magic
        protocol.writeI16(MAGIC);
        // message length
        protocol.writeI32(Integer.MAX_VALUE);
        // message header length
        protocol.writeI16(Short.MAX_VALUE);
        // version
        protocol.writeByte(VERSION);
        // service name
        protocol.writeString(rd.serviceName);
        // id
        protocol.writeI64(response.getId());
        protocol.getTransport().flush();
        headerLength = bos.size();

        // message
        protocol.writeMessageBegin(message);
        switch (message.type) {
        case TMessageType.EXCEPTION:
            applicationException.write(protocol);
            break;
        case TMessageType.REPLY:
            resultObj.write(protocol);
            break;
        }
        protocol.writeMessageEnd();
        protocol.getTransport().flush();
        int oldIndex = messageLength = bos.size();

        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());

}