Java Code Examples for com.alibaba.dubbo.common.io.Bytes#int2bytes()

The following examples show how to use com.alibaba.dubbo.common.io.Bytes#int2bytes() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DeprecatedExchangeCodec.java    From dubbo-2.6.5 with Apache License 2.0 5 votes vote down vote up 
protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
    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] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    if (req.isEvent()) {
        encodeEventData(channel, out, req.getData());
    } else {
        encodeRequestData(channel, out, req.getData());
    }
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    checkPayload(channel, data.length);
    Bytes.int2bytes(data.length, header, 12);

    // write
    os.write(header); // write header.
    os.write(data); // write data.
}
Example 2
Source File: ExchangeCodecTest.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
private byte[] getRequestBytes(Object obj, byte[] header) throws IOException{
    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(url, bos);
    out.writeObject(obj);
    
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    byte[] len = Bytes.int2bytes(data.length);
    System.arraycopy(len, 0, header, 12, 4);
    byte[] request = join(header, data);
    return request;
}
Example 3
Source File: ExchangeCodecTest.java    From dubbo-2.6.5 with Apache License 2.0 5 votes vote down vote up 
private byte[] getRequestBytes(Object obj, byte[] header) throws IOException {
    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(url, bos);
    out.writeObject(obj);

    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    byte[] len = Bytes.int2bytes(data.length);
    System.arraycopy(len, 0, header, 12, 4);
    byte[] request = join(header, data);
    return request;
}
Example 4
Source File: DeprecatedExchangeCodec.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
    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] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    if (req.isEvent()) {
        encodeEventData(channel, out, req.getData());
    } else {
        encodeRequestData(channel, out, req.getData());
    }
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    checkPayload(channel, data.length);
    Bytes.int2bytes(data.length, header, 12);

    // write
    os.write(header); // write header.
    os.write(data); // write data.
}
Example 5
Source File: ExchangeCodecTest.java    From dubbo3 with Apache License 2.0 5 votes vote down vote up 
private byte[] getRequestBytes(Object obj, byte[] header) throws IOException{
    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(url, bos);
    out.writeObject(obj);
    
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    byte[] len = Bytes.int2bytes(data.length);
    System.arraycopy(len, 0, header, 12, 4);
    byte[] request = join(header, data);
    return request;
}
Example 6
Source File: ExchangeCodecTest.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
private byte[] getRequestBytes(Object obj, byte[] header) throws IOException{
    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(url, bos);
    out.writeObject(obj);
    
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    byte[] len = Bytes.int2bytes(data.length);
    System.arraycopy(len, 0, header, 12, 4);
    byte[] request = join(header, data);
    return request;
}
Example 7
Source File: DeprecatedExchangeCodec.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
    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] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    if (req.isEvent()) {
        encodeEventData(channel, out, req.getData());
    } else {
        encodeRequestData(channel, out, req.getData());
    }
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    checkPayload(channel, data.length);
    Bytes.int2bytes(data.length, header, 12);

    // write
    os.write(header); // write header.
    os.write(data); // write data.
}
Example 8
Source File: ExchangeCodecTest.java    From dubbox with Apache License 2.0 5 votes vote down vote up 
private byte[] getRequestBytes(Object obj, byte[] header) throws IOException{
    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(url, bos);
    out.writeObject(obj);
    
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    byte[] len = Bytes.int2bytes(data.length);
    System.arraycopy(len, 0, header, 12, 4);
    byte[] request = join(header, data);
    return request;
}
Example 9
Source File: DeprecatedExchangeCodec.java    From dubbo3 with Apache License 2.0 5 votes vote down vote up 
protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
    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] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    if (req.isEvent()) {
        encodeEventData(channel, out, req.getData());
    } else {
        encodeRequestData(channel, out, req.getData());
    }
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    checkPayload(channel, data.length);
    Bytes.int2bytes(data.length, header, 12);

    // write
    os.write(header); // write header.
    os.write(data); // write data.
}
Example 10
Source File: DeprecatedExchangeCodec.java    From dubbox-hystrix with Apache License 2.0 5 votes vote down vote up 
protected void encodeRequest(Channel channel, OutputStream os, Request req) throws IOException {
    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] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    if (req.isEvent()) {
        encodeEventData(channel, out, req.getData());
    } else {
        encodeRequestData(channel, out, req.getData());
    }
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    checkPayload(channel, data.length);
    Bytes.int2bytes(data.length, header, 12);

    // write
    os.write(header); // write header.
    os.write(data); // write data.
}
Example 11
Source File: ExchangeCodecTest.java    From dubbox-hystrix with Apache License 2.0 5 votes vote down vote up 
private byte[] getRequestBytes(Object obj, byte[] header) throws IOException{
    // encode request data.
    UnsafeByteArrayOutputStream bos = new UnsafeByteArrayOutputStream(1024);
    ObjectOutput out = serialization.serialize(url, bos);
    out.writeObject(obj);
    
    out.flushBuffer();
    bos.flush();
    bos.close();
    byte[] data = bos.toByteArray();
    byte[] len = Bytes.int2bytes(data.length);
    System.arraycopy(len, 0, header, 12, 4);
    byte[] request = join(header, data);
    return request;
}
Example 12
Source File: ExchangeCodec.java    From dubbo3 with Apache License 2.0 5 votes vote down vote up 
protected void encodeRequest(Channel channel, ChannelBuffer buffer, Request req) throws IOException {
    Serialization serialization = getSerialization(channel);
    // header.
    byte[] header = new byte[HEADER_LENGTH];
    // set magic number.
    Bytes.short2bytes(MAGIC, header);

    // set request and serialization flag.
    header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    int savedWriteIndex = buffer.writerIndex();
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH);
    ChannelBufferOutputStream bos = new ChannelBufferOutputStream(buffer);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    if (req.isEvent()) {
        encodeEventData(channel, out, req.getData());
    } else {
        encodeRequestData(channel, out, req.getData());
    }
    out.flushBuffer();
    bos.flush();
    bos.close();
    int len = bos.writtenBytes();
    checkPayload(channel, len);
    Bytes.int2bytes(len, header, 12);

    // write
    buffer.writerIndex(savedWriteIndex);
    buffer.writeBytes(header); // write header.
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH + len);
}
Example 13
Source File: ExchangeCodec.java    From dubbox with Apache License 2.0 4 votes vote down vote up 
protected void encodeRequest(Channel channel, ChannelBuffer buffer, Request req) throws IOException {
    Serialization serialization = getSerialization(channel);
    // header.
    byte[] header = new byte[HEADER_LENGTH];
    // set magic number.
    Bytes.short2bytes(MAGIC, header);

    // set request and serialization flag.
    header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    int savedWriteIndex = buffer.writerIndex();
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH);
    ChannelBufferOutputStream bos = new ChannelBufferOutputStream(buffer);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    try {
        if (req.isEvent()) {
            encodeEventData(channel, out, req.getData());
        } else {
            encodeRequestData(channel, out, req.getData());
        }
        out.flushBuffer();
    } finally {
        // modified by lishen
        if (out instanceof Cleanable) {
            ((Cleanable) out).cleanup();
        }
    }

    bos.flush();
    bos.close();
    int len = bos.writtenBytes();
    checkPayload(channel, len);
    Bytes.int2bytes(len, header, 12);

    // write
    buffer.writerIndex(savedWriteIndex);
    buffer.writeBytes(header); // write header.
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH + len);
}
Example 14
Source File: DeprecatedExchangeCodec.java    From dubbo3 with Apache License 2.0 4 votes vote down vote up 
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
        os.write(header); // write header.
        os.write(data); // write data.
    } catch (Throwable t) {
        // 发送失败信息给Consumer，否则Consumer只能等超时了
        if (!res.isEvent() && res.getStatus() != Response.BAD_RESPONSE) {
            try {
                // FIXME 在Codec中打印出错日志？在IoHanndler的caught中统一处理？
                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);
            }
        }

        // 重新抛出收到的异常
        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 15
Source File: ExchangeCodec.java    From dubbo3 with Apache License 2.0 4 votes vote down vote up 
protected void encodeResponse(Channel channel, ChannelBuffer buffer, Response res) throws IOException {
    try {
        Serialization serialization = getSerialization(channel);
        // 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);

        int savedWriteIndex = buffer.writerIndex();
        buffer.writerIndex(savedWriteIndex + HEADER_LENGTH);
        ChannelBufferOutputStream bos = new ChannelBufferOutputStream(buffer);
        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();

        int len = bos.writtenBytes();
        checkPayload(channel, len);
        Bytes.int2bytes(len, header, 12);
        // write
        buffer.writerIndex(savedWriteIndex);
        buffer.writeBytes(header); // write header.
        buffer.writerIndex(savedWriteIndex + HEADER_LENGTH + len);
    } catch (Throwable t) {
        // 发送失败信息给Consumer，否则Consumer只能等超时了
        if (! res.isEvent() && res.getStatus() != Response.BAD_RESPONSE) {
            try {
                // FIXME 在Codec中打印出错日志？在IoHanndler的caught中统一处理？
                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);
            }
        }
        
        // 重新抛出收到的异常
        if (t instanceof IOException) {
            throw (IOException) t;
        } else if (t instanceof RuntimeException) {
            throw (RuntimeException) t;
        } else {
            throw (Error) t;
        }
    }
}
Example 16
Source File: DeprecatedExchangeCodec.java    From dubbox with Apache License 2.0 4 votes vote down vote up 
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
        os.write(header); // write header.
        os.write(data); // write data.
    } catch (Throwable t) {
        // 发送失败信息给Consumer，否则Consumer只能等超时了
        if (!res.isEvent() && res.getStatus() != Response.BAD_RESPONSE) {
            try {
                // FIXME 在Codec中打印出错日志？在IoHanndler的caught中统一处理？
                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);
            }
        }

        // 重新抛出收到的异常
        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 17
Source File: DeprecatedExchangeCodec.java    From dubbox with Apache License 2.0 4 votes vote down vote up 
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
        os.write(header); // write header.
        os.write(data); // write data.
    } catch (Throwable t) {
        // 发送失败信息给Consumer，否则Consumer只能等超时了
        if (!res.isEvent() && res.getStatus() != Response.BAD_RESPONSE) {
            try {
                // FIXME 在Codec中打印出错日志？在IoHanndler的caught中统一处理？
                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);
            }
        }

        // 重新抛出收到的异常
        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 18
Source File: ExchangeCodec.java    From dubbox-hystrix with Apache License 2.0 4 votes vote down vote up 
protected void encodeRequest(Channel channel, ChannelBuffer buffer, Request req) throws IOException {
    Serialization serialization = getSerialization(channel);
    // header.
    byte[] header = new byte[HEADER_LENGTH];
    // set magic number.
    Bytes.short2bytes(MAGIC, header);

    // set request and serialization flag.
    header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    int savedWriteIndex = buffer.writerIndex();
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH);
    ChannelBufferOutputStream bos = new ChannelBufferOutputStream(buffer);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    try {
        if (req.isEvent()) {
            encodeEventData(channel, out, req.getData());
        } else {
            encodeRequestData(channel, out, req.getData());
        }
        out.flushBuffer();
    } finally {
        // modified by lishen
        if (out instanceof Cleanable) {
            ((Cleanable) out).cleanup();
        }
    }

    bos.flush();
    bos.close();
    int len = bos.writtenBytes();
    checkPayload(channel, len);
    Bytes.int2bytes(len, header, 12);

    // write
    buffer.writerIndex(savedWriteIndex);
    buffer.writeBytes(header); // write header.
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH + len);
}
Example 19
Source File: ExchangeCodec.java    From dubbox with Apache License 2.0 4 votes vote down vote up 
protected void encodeResponse(Channel channel, ChannelBuffer buffer, Response res) throws IOException {
    try {
        Serialization serialization = getSerialization(channel);
        // 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);

        int savedWriteIndex = buffer.writerIndex();
        buffer.writerIndex(savedWriteIndex + HEADER_LENGTH);
        ChannelBufferOutputStream bos = new ChannelBufferOutputStream(buffer);
        ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
        try {
            // 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();
        } finally {
            // modified by lishen
            if (out instanceof Cleanable) {
                ((Cleanable) out).cleanup();
            }
        }

        bos.flush();
        bos.close();

        int len = bos.writtenBytes();
        checkPayload(channel, len);
        Bytes.int2bytes(len, header, 12);
        // write
        buffer.writerIndex(savedWriteIndex);
        buffer.writeBytes(header); // write header.
        buffer.writerIndex(savedWriteIndex + HEADER_LENGTH + len);
    } catch (Throwable t) {
        // 发送失败信息给Consumer，否则Consumer只能等超时了
        if (! res.isEvent() && res.getStatus() != Response.BAD_RESPONSE) {
            try {
                // FIXME 在Codec中打印出错日志？在IoHanndler的caught中统一处理？
                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);
            }
        }
        
        // 重新抛出收到的异常
        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 20
Source File: ExchangeCodec.java    From dubbox with Apache License 2.0 4 votes vote down vote up 
protected void encodeRequest(Channel channel, ChannelBuffer buffer, Request req) throws IOException {
    Serialization serialization = getSerialization(channel);
    // header.
    byte[] header = new byte[HEADER_LENGTH];
    // set magic number.
    Bytes.short2bytes(MAGIC, header);

    // set request and serialization flag.
    header[2] = (byte) (FLAG_REQUEST | serialization.getContentTypeId());

    if (req.isTwoWay()) header[2] |= FLAG_TWOWAY;
    if (req.isEvent()) header[2] |= FLAG_EVENT;

    // set request id.
    Bytes.long2bytes(req.getId(), header, 4);

    // encode request data.
    int savedWriteIndex = buffer.writerIndex();
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH);
    ChannelBufferOutputStream bos = new ChannelBufferOutputStream(buffer);
    ObjectOutput out = serialization.serialize(channel.getUrl(), bos);
    try {
        if (req.isEvent()) {
            encodeEventData(channel, out, req.getData());
        } else {
            encodeRequestData(channel, out, req.getData());
        }
        out.flushBuffer();
    } finally {
        // modified by lishen
        if (out instanceof Cleanable) {
            ((Cleanable) out).cleanup();
        }
    }

    bos.flush();
    bos.close();
    int len = bos.writtenBytes();
    checkPayload(channel, len);
    Bytes.int2bytes(len, header, 12);

    // write
    buffer.writerIndex(savedWriteIndex);
    buffer.writeBytes(header); // write header.
    buffer.writerIndex(savedWriteIndex + HEADER_LENGTH + len);
}