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

Introduction

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

Prototype

public static final int decodeFrameSize(final byte[] buf) 

Source Link

Usage

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

License:Apache License

private int readFrame() throws IOException {
    frameSizeBuffer.rewind();//www .j a  va2  s.  c  o  m
    frameSizeBuffer.limit(Integer.BYTES);

    in.read(frameSizeBuffer);
    if (frameSizeBuffer.position() == 0) {
        return -1;
    }
    if (frameSizeBuffer.position() < Integer.BYTES) {
        throw new IOException();
    }

    int frameSize = TFramedTransport.decodeFrameSize(frameSizeBuffer.array());
    if (frameSize < 1 || frameSize > MAX_BUFFER_SIZE) {
        throw new IOException();
    }

    buffer.rewind();
    buffer.limit(frameSize);

    while (in.read(buffer) > 0) {
        if (buffer.position() == frameSize) {
            break;
        }
        LOGGER.debug("still not enough:  " + buffer.position() + " of " + frameSize);
    }
    if (buffer.position() < frameSize) {
        throw new IOException();
    }

    buffer.flip();
    return frameSize;
}

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