use of org.opensmartgridplatform.webdevicesimulator.exceptions.DeviceSimulatorException in project open-smart-grid-platform by OSGP.
the class OslpChannelHandler method send.
public OslpEnvelope send(final InetSocketAddress address, final OslpEnvelope request, final String deviceIdentification) throws IOException, DeviceSimulatorException {
LOGGER.info("Sending OSLP request: {}", request.getPayloadMessage());
final Callback callback = new Callback(this.connectionTimeout);
this.lock.lock();
// Open connection and send message
ChannelFuture channelFuture;
try {
channelFuture = this.bootstrap.connect(address);
channelFuture.awaitUninterruptibly(this.connectionTimeout, TimeUnit.MILLISECONDS);
if (channelFuture.channel() != null && channelFuture.channel().isActive()) {
LOGGER.info("Connection established to: {}", address);
} else {
LOGGER.info("The connnection to OSGP from device {} is not successful", deviceIdentification);
LOGGER.warn("Unable to connect to: {}", address);
throw new IOException("Unable to connect");
}
this.callbacks.put(channelFuture.channel().id().asLongText(), callback);
channelFuture.channel().writeAndFlush(request);
} finally {
this.lock.unlock();
}
// wait for response and close connection
try {
final OslpEnvelope response = callback.get(deviceIdentification);
LOGGER.info("Received OSLP response (after callback): {}", response.getPayloadMessage());
/*
* Devices expect the channel to be closed if - and only if - the
* platform initiated the conversation. If the device initiated the
* conversation it needs to close the channel itself.
*/
channelFuture.channel().close();
return response;
} catch (final IOException | DeviceSimulatorException e) {
// Remove callback when exception has occurred
this.callbacks.remove(channelFuture.channel().id().asLongText());
throw e;
}
}
use of org.opensmartgridplatform.webdevicesimulator.exceptions.DeviceSimulatorException in project open-smart-grid-platform by OSGP.
the class OslpChannelHandler method handleRequest.
private Oslp.Message handleRequest(final OslpEnvelope message, final int sequenceNumber) throws DeviceSimulatorException {
final Oslp.Message request = message.getPayloadMessage();
// Create response message
final Oslp.Message response;
final String deviceIdString = Base64.encodeBase64String(message.getDeviceId());
LOGGER.info("request received, sequenceNumber: {}", sequenceNumber);
LOGGER.info("manufacturerId byte[0]: {} byte[1]: {}", message.getDeviceId()[0], message.getDeviceId()[1]);
LOGGER.info("deviceId as BASE 64 STRING: {}", deviceIdString);
// lookup correct device.
final Device device = this.deviceManagementService.findDevice(deviceIdString);
if (device == null) {
throw new DeviceSimulatorException("device with id: " + deviceIdString + " is unknown");
}
// Calculate expected sequence number
final int expectedSequenceNumber = device.doGetNextSequence();
// Check sequence number
if (Math.abs(expectedSequenceNumber - sequenceNumber) > this.sequenceNumberWindow) {
this.outOfSequenceList.add(new OutOfSequenceEvent(device.getId(), message.getPayloadMessage().toString(), DateTime.now()));
throw new DeviceSimulatorException("SequenceNumber incorrect for device: " + device.getDeviceIdentification() + " Expected: " + (expectedSequenceNumber == 0 ? this.sequenceNumberMaximum : expectedSequenceNumber - 1) + " Actual: " + (sequenceNumber == 0 ? this.sequenceNumberMaximum : sequenceNumber - 1) + " SequenceNumberWindow: " + this.sequenceNumberWindow + " Request: " + message.getPayloadMessage().toString());
}
// sleep for a little while
if (this.responseDelayTime != null) {
if (this.reponseDelayRandomRange == null) {
this.sleep(this.responseDelayTime);
} else {
final Long randomDelay = (long) (this.reponseDelayRandomRange * this.random.nextDouble());
this.sleep(this.responseDelayTime + randomDelay);
}
}
response = this.checkForRequest(request, device);
// Update device
device.setSequenceNumber(expectedSequenceNumber);
this.deviceManagementService.updateDevice(device);
// Write log entry for response
LOGGER.debug("Responding: {}", response);
return response;
}
Aggregations