Java Code Examples for com.alibaba.dubbo.common.io.UnsafeByteArrayInputStream#position()

The following examples show how to use com.alibaba.dubbo.common.io.UnsafeByteArrayInputStream#position() . 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 4 votes vote down vote up 
protected Object decode(Channel channel, InputStream is, int readable, byte[] header) throws IOException {
    // check magic number.
    if (readable > 0 && header[0] != MAGIC_HIGH
            || readable > 1 && header[1] != MAGIC_LOW) {
        int length = header.length;
        if (header.length < readable) {
            header = Bytes.copyOf(header, readable);
            is.read(header, length, readable - length);
        }
        for (int i = 1; i < header.length - 1; i++) {
            if (header[i] == MAGIC_HIGH && header[i + 1] == MAGIC_LOW) {
                UnsafeByteArrayInputStream bis = ((UnsafeByteArrayInputStream) is);
                bis.position(bis.position() - header.length + i);
                header = Bytes.copyOf(header, i);
                break;
            }
        }
        return super.decode(channel, is, readable, header);
    }
    // check length.
    if (readable < HEADER_LENGTH) {
        return NEED_MORE_INPUT;
    }

    // get data length.
    int len = Bytes.bytes2int(header, 12);
    checkPayload(channel, len);

    int tt = len + HEADER_LENGTH;
    if (readable < tt) {
        return NEED_MORE_INPUT;
    }

    // limit input stream.
    if (readable != tt)
        is = StreamUtils.limitedInputStream(is, len);

    try {
        return decodeBody(channel, is, header);
    } finally {
        if (is.available() > 0) {
            try {
                if (logger.isWarnEnabled()) {
                    logger.warn("Skip input stream " + is.available());
                }
                StreamUtils.skipUnusedStream(is);
            } catch (IOException e) {
                logger.warn(e.getMessage(), e);
            }
        }
    }
}
Example 2
Source File: DeprecatedExchangeCodec.java    From dubbox with Apache License 2.0 4 votes vote down vote up 
protected Object decode(Channel channel, InputStream is, int readable, byte[] header) throws IOException {
    // check magic number.
    if (readable > 0 && header[0] != MAGIC_HIGH
        || readable > 1 && header[1] != MAGIC_LOW) {
        int length = header.length;
        if (header.length < readable) {
            header = Bytes.copyOf(header, readable);
            is.read(header, length, readable - length);
        }
        for (int i = 1; i < header.length - 1; i++) {
            if (header[i] == MAGIC_HIGH && header[i + 1] == MAGIC_LOW) {
                UnsafeByteArrayInputStream bis = ((UnsafeByteArrayInputStream) is);
                bis.position(bis.position() - header.length + i);
                header = Bytes.copyOf(header, i);
                break;
            }
        }
        return super.decode(channel, is, readable, header);
    }
    // check length.
    if (readable < HEADER_LENGTH) {
        return NEED_MORE_INPUT;
    }

    // get data length.
    int len = Bytes.bytes2int(header, 12);
    checkPayload(channel, len);

    int tt = len + HEADER_LENGTH;
    if (readable < tt) {
        return NEED_MORE_INPUT;
    }

    // limit input stream.
    if (readable != tt)
        is = StreamUtils.limitedInputStream(is, len);

    try {
        return decodeBody(channel, is, header);
    } finally {
        if (is.available() > 0) {
            try {
                if (logger.isWarnEnabled()) {
                    logger.warn("Skip input stream " + is.available());
                }
                StreamUtils.skipUnusedStream(is);
            } catch (IOException e) {
                logger.warn(e.getMessage(), e);
            }
        }
    }
}
Example 3
Source File: DeprecatedExchangeCodec.java    From dubbox-hystrix with Apache License 2.0 4 votes vote down vote up 
protected Object decode(Channel channel, InputStream is, int readable, byte[] header) throws IOException {
    // check magic number.
    if (readable > 0 && header[0] != MAGIC_HIGH
        || readable > 1 && header[1] != MAGIC_LOW) {
        int length = header.length;
        if (header.length < readable) {
            header = Bytes.copyOf(header, readable);
            is.read(header, length, readable - length);
        }
        for (int i = 1; i < header.length - 1; i++) {
            if (header[i] == MAGIC_HIGH && header[i + 1] == MAGIC_LOW) {
                UnsafeByteArrayInputStream bis = ((UnsafeByteArrayInputStream) is);
                bis.position(bis.position() - header.length + i);
                header = Bytes.copyOf(header, i);
                break;
            }
        }
        return super.decode(channel, is, readable, header);
    }
    // check length.
    if (readable < HEADER_LENGTH) {
        return NEED_MORE_INPUT;
    }

    // get data length.
    int len = Bytes.bytes2int(header, 12);
    checkPayload(channel, len);

    int tt = len + HEADER_LENGTH;
    if (readable < tt) {
        return NEED_MORE_INPUT;
    }

    // limit input stream.
    if (readable != tt)
        is = StreamUtils.limitedInputStream(is, len);

    try {
        return decodeBody(channel, is, header);
    } finally {
        if (is.available() > 0) {
            try {
                if (logger.isWarnEnabled()) {
                    logger.warn("Skip input stream " + is.available());
                }
                StreamUtils.skipUnusedStream(is);
            } catch (IOException e) {
                logger.warn(e.getMessage(), e);
            }
        }
    }
}
Example 4
Source File: DeprecatedExchangeCodec.java    From dubbo3 with Apache License 2.0 4 votes vote down vote up 
protected Object decode(Channel channel, InputStream is, int readable, byte[] header) throws IOException {
    // check magic number.
    if (readable > 0 && header[0] != MAGIC_HIGH
        || readable > 1 && header[1] != MAGIC_LOW) {
        int length = header.length;
        if (header.length < readable) {
            header = Bytes.copyOf(header, readable);
            is.read(header, length, readable - length);
        }
        for (int i = 1; i < header.length - 1; i++) {
            if (header[i] == MAGIC_HIGH && header[i + 1] == MAGIC_LOW) {
                UnsafeByteArrayInputStream bis = ((UnsafeByteArrayInputStream) is);
                bis.position(bis.position() - header.length + i);
                header = Bytes.copyOf(header, i);
                break;
            }
        }
        return super.decode(channel, is, readable, header);
    }
    // check length.
    if (readable < HEADER_LENGTH) {
        return NEED_MORE_INPUT;
    }

    // get data length.
    int len = Bytes.bytes2int(header, 12);
    checkPayload(channel, len);

    int tt = len + HEADER_LENGTH;
    if (readable < tt) {
        return NEED_MORE_INPUT;
    }

    // limit input stream.
    if (readable != tt)
        is = StreamUtils.limitedInputStream(is, len);

    try {
        return decodeBody(channel, is, header);
    } finally {
        if (is.available() > 0) {
            try {
                if (logger.isWarnEnabled()) {
                    logger.warn("Skip input stream " + is.available());
                }
                StreamUtils.skipUnusedStream(is);
            } catch (IOException e) {
                logger.warn(e.getMessage(), e);
            }
        }
    }
}
Example 5
Source File: DeprecatedExchangeCodec.java    From dubbox with Apache License 2.0 4 votes vote down vote up 
protected Object decode(Channel channel, InputStream is, int readable, byte[] header) throws IOException {
    // check magic number.
    if (readable > 0 && header[0] != MAGIC_HIGH
        || readable > 1 && header[1] != MAGIC_LOW) {
        int length = header.length;
        if (header.length < readable) {
            header = Bytes.copyOf(header, readable);
            is.read(header, length, readable - length);
        }
        for (int i = 1; i < header.length - 1; i++) {
            if (header[i] == MAGIC_HIGH && header[i + 1] == MAGIC_LOW) {
                UnsafeByteArrayInputStream bis = ((UnsafeByteArrayInputStream) is);
                bis.position(bis.position() - header.length + i);
                header = Bytes.copyOf(header, i);
                break;
            }
        }
        return super.decode(channel, is, readable, header);
    }
    // check length.
    if (readable < HEADER_LENGTH) {
        return NEED_MORE_INPUT;
    }

    // get data length.
    int len = Bytes.bytes2int(header, 12);
    checkPayload(channel, len);

    int tt = len + HEADER_LENGTH;
    if (readable < tt) {
        return NEED_MORE_INPUT;
    }

    // limit input stream.
    if (readable != tt)
        is = StreamUtils.limitedInputStream(is, len);

    try {
        return decodeBody(channel, is, header);
    } finally {
        if (is.available() > 0) {
            try {
                if (logger.isWarnEnabled()) {
                    logger.warn("Skip input stream " + is.available());
                }
                StreamUtils.skipUnusedStream(is);
            } catch (IOException e) {
                logger.warn(e.getMessage(), e);
            }
        }
    }
}
Example 6
Source File: DeprecatedExchangeCodec.java    From dubbox with Apache License 2.0 4 votes vote down vote up 
protected Object decode(Channel channel, InputStream is, int readable, byte[] header) throws IOException {
    // check magic number.
    if (readable > 0 && header[0] != MAGIC_HIGH
        || readable > 1 && header[1] != MAGIC_LOW) {
        int length = header.length;
        if (header.length < readable) {
            header = Bytes.copyOf(header, readable);
            is.read(header, length, readable - length);
        }
        for (int i = 1; i < header.length - 1; i++) {
            if (header[i] == MAGIC_HIGH && header[i + 1] == MAGIC_LOW) {
                UnsafeByteArrayInputStream bis = ((UnsafeByteArrayInputStream) is);
                bis.position(bis.position() - header.length + i);
                header = Bytes.copyOf(header, i);
                break;
            }
        }
        return super.decode(channel, is, readable, header);
    }
    // check length.
    if (readable < HEADER_LENGTH) {
        return NEED_MORE_INPUT;
    }

    // get data length.
    int len = Bytes.bytes2int(header, 12);
    checkPayload(channel, len);

    int tt = len + HEADER_LENGTH;
    if (readable < tt) {
        return NEED_MORE_INPUT;
    }

    // limit input stream.
    if (readable != tt)
        is = StreamUtils.limitedInputStream(is, len);

    try {
        return decodeBody(channel, is, header);
    } finally {
        if (is.available() > 0) {
            try {
                if (logger.isWarnEnabled()) {
                    logger.warn("Skip input stream " + is.available());
                }
                StreamUtils.skipUnusedStream(is);
            } catch (IOException e) {
                logger.warn(e.getMessage(), e);
            }
        }
    }
}