public void sendConfiguration(Biasgen biasgen) throws HardwareInterfaceException {
if (!isOpen()) {
throw new HardwareInterfaceException("not open");
}
int MAX_COMMAND_LENGTH_BYTES = 256;
for (Pot p : getBiasgen().getPotArray().getPots()) {
UDP_VPot vp = (UDP_VPot) p;
try {
String s = vp.getCommandString();
byte[] b = s.getBytes(); // s.getBytes(Charset.forName("US-ASCII"));
socket.send(new DatagramPacket(b, b.length, client));
DatagramPacket packet =
new DatagramPacket(new byte[MAX_COMMAND_LENGTH_BYTES], MAX_COMMAND_LENGTH_BYTES);
socket.receive(packet);
ByteArrayInputStream bis;
BufferedReader reader =
new BufferedReader(
new InputStreamReader(
(bis = new ByteArrayInputStream(packet.getData(), 0, packet.getLength()))));
String line = reader.readLine(); // .toLowerCase();
log.info("response from " + packet.getAddress() + " : " + line);
// System.out.println(line); // debug
} catch (SocketTimeoutException to) {
log.warning("timeout on waiting for command response on datagram control socket");
} catch (Exception ex) {
throw new HardwareInterfaceException(
"while sending biases to " + client + " caught " + ex.toString());
}
}
}
/**
* called when observable (masterbias) calls notifyObservers. Sets the powerDown state. If there
* is not a batch edit occurring, opens device if not open and calls sendConfiguration.
*/
@Override
public void update(Observable observable, Object object) {
if (object != null && object.equals("powerDownEnabled")) {
log.warning("no powerdown capability");
} else if (object instanceof UDP_VPot) {
UDP_VPot vp = (UDP_VPot) object;
try {
if (!isBatchEditOccurring()) {
if (!isOpen()) {
open();
}
}
try {
String s = vp.getCommandString();
log.info("sending " + vp + " with command " + s);
sendString(s);
printEchoDatagram();
printEchoDatagram();
try {
Thread.sleep(10);
} catch (InterruptedException e) {
}
} catch (SocketTimeoutException to) {
throw new HardwareInterfaceException("timeout on sending datagram for " + vp);
} catch (Exception ex) {
throw new HardwareInterfaceException(
"while sending biases to " + client + " caught " + ex.toString());
}
} catch (HardwareInterfaceException e) {
// connFailed=true;
log.warning("error sending pot value for Pot " + object + " : " + e);
}
}
}
