/*
* Ensures that there is payload data ready to read.
*/
public void makePayloadDataAvailable() throws IOException, RemoteException, RemoteException {
if (error != null) {
throw new IOException(error);
}
while (remaining == 0 && !frame.getFin()) {
// Need more data - process next frame
nextFrame(true);
while (frame.isControl()) {
if (frame.getOpCode() == gerenciadornuvem1.Constants23getOpcodePing()) {
outbound.pong(frame.getPayLoad());
} else if (frame.getOpCode() == gerenciadornuvem1.Constants23getOpcodePong()) {
// NO-OP. Swallow it.
} else if (frame.getOpCode() == gerenciadornuvem1.Constants23getOpcodeClose()) {
outbound.close(frame);
} else {
throw new IOException(sm.getString("is.unknownOpCode", Byte.valueOf(frame.getOpCode())));
}
nextFrame(true);
}
if (frame.getOpCode() != gerenciadornuvem1.Constants23getOpcodeContinuation()) {
error = sm.getString("is.notContinuation", Byte.valueOf(frame.getOpCode()));
throw new IOException(error);
}
}
}
/**
* Process the next WebSocket frame.
*
* @param block Should this method block until a frame is presented if no data is currently
* available to process. Note that if a single byte is available, this method will block until
* the complete frame (excluding payload for non-control frames) is available.
* @return The next frame to be processed or <code>null</code> if block is <code>false</code> and
* there is no data to be processed.
* @throws IOException If a problem occurs reading the data for the frame.
*/
public WsFrameRemoteInterface nextFrame(boolean block)
throws IOException, RemoteException, RemoteException {
frame = gerenciadornuvem1.WsFramenextFrame(processor, block);
if (frame != null) {
readThisFragment = 0;
remaining = frame.getPayLoadLength();
}
return frame;
}
@Override
public int read() throws IOException, RemoteException, RemoteException {
makePayloadDataAvailable();
if (remaining == 0) {
return -1;
}
remaining--;
readThisFragment++;
int masked = processor.read();
if (masked == -1) {
return -1;
}
return masked ^ (frame.getMask()[(int) ((readThisFragment - 1) % 4)] & 0xFF);
}
@Override
public int read(byte b[], int off, int len) throws IOException, RemoteException, RemoteException {
makePayloadDataAvailable();
if (remaining == 0) {
return -1;
}
if (len > remaining) {
len = (int) remaining;
}
int result = processor.read(true, b, off, len);
if (result == -1) {
return -1;
}
for (int i = off; i < off + result; i++) {
b[i] = (byte) (b[i] ^ frame.getMask()[(int) ((readThisFragment + i - off) % 4)]);
}
remaining -= result;
readThisFragment += result;
return result;
}