/**
* Write data to the stream as content of DataPhase (StartData -> [Data] -> EndData)
*
* @param transactionID
* @param data
* @throws IOException
*/
public void writeData(UINT32 transactionID, byte[] data) throws IOException {
// Send StartData
StartDataPacket startDataPacket = new StartDataPacket(transactionID, new UINT64(data.length));
write(startDataPacket);
long packetLength =
UINT32.SIZE_IN_BYTES + PtpIpPacket.Type.SIZE_IN_BYTES + UINT32.SIZE_IN_BYTES + data.length;
// Send EndData
os.write(new UINT32(packetLength));
os.write(PtpIpPacket.Type.END_DATA.value());
os.write(transactionID);
os.write(data);
os.flush();
}
public final byte[] bytes() {
UINT32 length = new UINT32(UINT32.SIZE_IN_BYTES + Type.SIZE_IN_BYTES + getPayload().length);
final Closer closer = new Closer();
try {
final ByteArrayOutputStream baos = closer.push(new ByteArrayOutputStream());
final PtpOutputStream pos = closer.push(new PtpOutputStream(baos));
pos.write(length);
pos.write(getType().value);
pos.write(getPayload());
return baos.toByteArray();
} catch (IOException e) {
throw new AssertionError(e);
} finally {
closer.close();
}
}
@Override
public void close() throws IOException {
os.close();
}
/**
* Write PTP-IP Packet to the stream.
*
* @param packet
* @throws IOException
*/
public void write(PtpIpPacket packet) throws IOException {
os.write(packet.bytes());
os.flush();
}
