private async Task CheckSegments(CancellationToken cancelToken)
{
if (cancelToken.IsCancellationRequested)
{
return;
}
if (Session.PumpDataHistory.CurrentMultiPacketHandler != null && Session.PumpDataHistory.CurrentMultiPacketHandler.CurrentSegment != null)
{
var segment = Session.PumpDataHistory.CurrentMultiPacketHandler.CurrentSegment;
Logger.LogInformation($"MultiPacket - got {segment.Packets.Count} messages.");
var list = segment.GetMissingSegments();
if (list.Count > 0)
{
Logger.LogInformation($"MultiPacket - Missing {list.Count} message(s).");
foreach (var item in list)
{
Logger.LogInformation($"MultiPacket - Getting missing message number {item}.");
CommunicationBlock communicationBlock2 = new CommunicationBlock();
communicationBlock2.Request = Session.GetMissingSegments((ushort)item, 1);
communicationBlock2.ExpectedResponses.Add(new SendMessageResponsePattern());
communicationBlock2.ExpectedResponses.Add(new RecieveMessageResponsePattern());
await StartCommunication(communicationBlock2, cancelToken);
}
//check again
await CheckSegments(cancelToken);
}
}
}
private async Task EndMultiPacketAsync(byte[] bytes, CancellationToken cancelToken)
{
Logger.LogInformation("End MultiPacket");
CommunicationBlock communicationBlock = new CommunicationBlock();
communicationBlock.Request = Session.GetMultiPacket(bytes);
communicationBlock.ExpectedResponses.Add(new SendMessageResponsePattern());
communicationBlock.ExpectedResponses.Add(new RecieveMessageResponsePattern());
communicationBlock.ExpectedResponses.Add(new RecieveMessageResponsePattern());
communicationBlock.ExpectedResponses.Add(new RecieveMessageResponsePattern());
await StartCommunication(communicationBlock, cancelToken);
}
private async Task StartReadHistoryAsync(HistoryDataTypeEnum historytype, CancellationToken cancelToken)
{
Logger.LogInformation($"ReadHistory: {historytype.ToString()}");
int expectedSize = this.Session.PumpDataHistory.GetSize(historytype);
CommunicationBlock communicationBlock = new CommunicationBlock();
communicationBlock.Request = Session.GetReadHistory(historytype, expectedSize);
communicationBlock.ExpectedResponses.Add(new SendMessageResponsePattern());
communicationBlock.ExpectedResponses.Add(new RecieveMessageResponsePattern());
communicationBlock.ExpectedResponses.Add(new RecieveMessageResponsePattern());
communicationBlock.ExpectedResponses.Add(new RecieveMessageResponsePattern());
await StartCommunication(communicationBlock, cancelToken);
}
private async Task StartCollectDeviceInfoAsync(CancellationToken cancelToken)
{
//if in bad state.....
//await CloseAsync(cancelToken);
Logger.LogInformation("Getting CNL deviceInformation");
CommunicationBlock block = new CommunicationBlock();
block.TimeoutSeconds = Session.Settings.TimeoutSeconds;;
block.Request = new AstmStart("X");
//block.Request = new AstmStart("W");
//expected responses for the request
block.ExpectedResponses.Add(new ReportPattern(new byte[] { 0x00, 0x41, 0x42, 0x43 }, 0));
block.ExpectedResponses.Add(new EnqOREotkPattern());
//Start Communication
await this.StartCommunication(block, cancelToken);
if (!cancelToken.IsCancellationRequested)
{
if (string.IsNullOrEmpty(this.Session.SessionDevice.Device.SerialNumber))
{
//if in bad state.....
//await CloseAsync(cancelToken);
this.Session.SessionCommunicationParameters.NeedResetCommunication = true;
throw new Exception("Could not communicate with CNL. Please unplug CNL and plug it in again to reset CNL-communication. ");
}
else
{
//Get previous saved parameters Or set this session if device do not exsist
_stateRepository.GetOrSetSessionAndSettings(Session);
//using (CgmUnitOfWork uow = new CgmUnitOfWork())
//{
// uow.Device.GetOrSetSessionAndSettings(Session);
//}
}
}
}
private async Task StartMultiPacketAsync(byte[] bytes, CancellationToken cancelToken)
{
CommunicationBlock communicationBlock = new CommunicationBlock();
communicationBlock.Request = Session.GetMultiPacket(bytes);
communicationBlock.ExpectedResponses.Add(new SendMessageResponsePattern());
if (Session.PumpDataHistory.CurrentMultiPacketHandler == null)
{
throw new Exception($"Error in getting InitiateMultiPacketTransferResponse. CurrentMultiPacketHandler is not set.");
}
if (Session.PumpDataHistory.CurrentMultiPacketHandler.CurrentSegment == null)
{
throw new Exception($"Error in getting InitiateMultiPacketTransferResponse. CurrentSegment is not set.");
}
int expectedMessages = Session.PumpDataHistory.CurrentMultiPacketHandler.CurrentSegment.Init.PacketsToFetch;
for (int i = 0; i < expectedMessages; i++)
{
communicationBlock.ExpectedResponses.Add(new RecieveMessageResponsePattern());
}
communicationBlock.TimeoutSeconds = (int)Math.Ceiling((Decimal)(expectedMessages / 4));
//communicationBlock.LogDataRecieved = false;
if (communicationBlock.TimeoutSeconds < 5)
{
communicationBlock.TimeoutSeconds = 5;
}
Logger.LogInformation($"MultiPacket Start- expecting {expectedMessages} packets.");
await StartCommunication(communicationBlock, cancelToken);
//get missing segments
//await CheckSegments(cancelToken);
}