@Override
public void writeBlock(Channel channel, byte[] bytes) throws IOException {
try {
boolean hasMore;
int pos = 0;
do {
int frame =
Math.min(transportFrameSize, bytes.length - pos); // # of bytes we send in this chunk
hasMore = frame + pos < bytes.length;
wb.write(ChunkHeader.pack(frame, hasMore));
wb.write(bytes, pos, frame);
scheduleReregister();
pos += frame;
} while (hasMore);
} catch (InterruptedException e) {
throw (InterruptedIOException) new InterruptedIOException().initCause(e);
}
}
@Override
public void closeWrite() throws IOException {
wb.close();
// when wb is fully drained and written, we'll call closeW()
}
/**
* Returns true if we want to write to {@link #ww()}, namely when we have some data in {@link
* #wb}.
*/
boolean wantsToWrite() {
return wb.readable() != 0;
}
/**
* Returns true if we want to read from {@link #rr()}, namely when we have more space in {@link
* #rb}.
*/
boolean wantsToRead() {
return receiver != null && rb.writable() != 0;
}