private void HandleReceivedADMMessage(ADMMessage message)
{
try
{
//do some general checking
//TODO: check BoardID matches to SenderID
lock (MessageStatsLock)
{
LastMessageReceived = message;
LastMessageReceivedOn = DateTime.Now;
MessageReceivedSuccess = message.Tag == LastMessageSent.Tag;
MessagesReceived++;
}
//Console.WriteLine("<--------- {0}: Received message {1} tag {2} target {3} from sender {4}", PortAndNodeID, message.Type, message.Tag, message.TargetID, message.SenderID);
switch (message.Type)
{
case Messaging.MessageType.INITIALISE_RESPONSE:
message.AddValue("LittleEndian", message.ArgumentAsBool(0));
LittleEndian = message.GetBool("LittleEndian");
message.AddValue("FreeMemory", message.ArgumentAsInt(1));
BoardID = message.SenderID;
message.AddValue("MaxDevices", message.ArgumentAsInt(2));
MaxDevices = message.GetInt("MaxDevices");
message.AddValue("LEDBI", message.ArgumentAsInt(3));
LEDBIPin = message.GetInt("LEDBI");
break;
case Messaging.MessageType.STATUS_RESPONSE:
try
{
if (message.TargetID == 0)
{
message.AddValue("FreeMemory", message.ArgumentAsInt(0));
message.AddValue("BoardType", message.ArgumentAsString(1));
message.AddValue("Initialised", message.ArgumentAsBool(2));
message.AddValue("DeviceCount", message.ArgumentAsInt(3));
}
if (State == ADMState.CONNECTED)
{
State = ADMState.DEVICE_READY;
}
}
catch (Exception e)
{
Tracing?.TraceEvent(TraceEventType.Error, 4000, "STATUS_RESPONSE error: {0}, {1}", e.GetType(), e.Message);
throw new ArduinoException(PortAndNodeID, e.Message, e);
}
//record this
LastStatusResponseMessage = message;
LastStatusResponseOn = DateTime.Now;
break;
case Messaging.MessageType.PING_RESPONSE:
//record this
LastPingResponseMessage = message;
LastPingResponseOn = DateTime.Now;
break;
case Messaging.MessageType.CONFIGURE_RESPONSE:
break;
case Messaging.MessageType.ERROR:
//record last error message
if (message.Arguments.Count > 0)
{
message.AddValue("ErrorCode", (ErrorCode)message.ArgumentAsByte(0));
}
else
{
message.AddValue("ErrorCode", ErrorCode.ERROR_HOST_GENERATED);
}
LastErrorMessage = message;
LastErrorOn = DateTime.Now;
break;
}
if (State == ADMState.DEVICE_READY || State == ADMState.DEVICE_CONNECTED)
{
//direct messages to devices
var dev = GetTargetedDevice(message);
if (dev != null)
{
#if DEBUG
Debug.Print(String.Format("Handling message {0} for device {1} ... connected: {2}, memory: {3}", message.Type, dev.ID, dev.IsConnected, message.HasValue("FM") ? message.GetValue("FM") : "N/A"));
#endif
try
{
dev.HandleMessage(message);
}
catch (Exception e)
{
Tracing?.TraceEvent(TraceEventType.Error, 4000, "Handling message for device {0} produced exception {1}: {2}", dev.ID, e.GetType(), e.Message);
throw new ArduinoException(dev.ID, e.Message, e);
}
}
//we do this test after handling message because the message maybe a CONFIGURE_RESPONSE message which will then set the 'connected' status of the device
if (message.Type == Messaging.MessageType.CONFIGURE_RESPONSE && DevicesConnected)
{
State = ADMState.DEVICE_CONNECTED;
}
}
} catch (Exception e)
{
byte tag = message != null ? message.Tag : (byte)0;
message = new ADMMessage();
message.Type = Messaging.MessageType.ERROR;
message.Value = e.Message;
message.AddValue("ErrorCode", ErrorCode.ERROR_HOST_GENERATED);
if (e is ArduinoException)
{
ArduinoException ae = (ArduinoException)e;
message.AddValue("ErrorSource", ae.Source);
}
message.Tag = tag;
}
Broadcast(message);
}
virtual protected void HandleADMMessage(ADMMessage message, ArduinoDeviceManager adm)
{
switch (message.Type)
{
case MessageType.ERROR:
ErrorCode errCode = message.HasValue("ErrorCode") ? message.GetEnum <ErrorCode>("ErrorCode") : ErrorCode.ERROR_UNKNOWN;
Tracing?.TraceEvent(TraceEventType.Error, 100, "ADM {0} produced error: {1}", adm.BoardID, errCode);
switch (errCode)
{
case ErrorCode.ERROR_ADM_NOT_INITIALISED:
ReconnectADM(adm);
break;
default:
//currently do nothing
break;
}
break;
case MessageType.WARNING:
Tracing?.TraceEvent(TraceEventType.Warning, 100, "ADM {0} produced warning: {1}", adm.BoardID, message.Value);
break;
case MessageType.STATUS_RESPONSE:
if (!PortSharing && !IsRequiredBoard(adm.BoardID))
{
Tracing?.TraceEvent(TraceEventType.Warning, 100, "ADM {0} is not one of the required boards ({1}). Disconnecting from port {2}...", adm.BoardID, RequiredBoards, adm.Port);
DisconnectADM(adm.Port);
break;
}
if (adm.State == ADMState.DEVICE_READY)
{
Tracing?.TraceEvent(TraceEventType.Verbose, 100, "ADM: Ready to add devices to {0} on port {1} ...", adm.BoardID, adm.PortAndNodeID);
AddADMDevices(adm, message);
Tracing?.TraceEvent(TraceEventType.Verbose, 100, "ADM: {0} devices added to {1} on port {2}. Now configure board", adm.DeviceCount, adm.BoardID, adm.PortAndNodeID);
adm.Configure();
}
else if (adm.State == ADMState.DEVICE_CONNECTED)
{
if (message.HasValue("Initialised") && !message.GetBool("Initialised"))
{
//Console.WriteLine("Whoa ... {0} has reset without us knowing", adm.PortAndNodeID);
}
}
break;
case MessageType.CONFIGURE_RESPONSE:
String key = adm.PortAndNodeID;
if (adm.State == ADMState.DEVICE_CONNECTED && !_devicesConnected[key])
{
Tracing?.TraceEvent(TraceEventType.Verbose, 100, "ADM: All {0} devices now configured and connected to board {1} on port {2}", adm.DeviceCount, adm.BoardID, adm.PortAndNodeID);
OnADMDevicesConnected(adm, message);
}
break;
case MessageType.PING_RESPONSE:
break;
}
if (message.Tag > 0)
{
ADMRequest req = GetADMRequest(adm, message.Tag);
if (req != null)
{
if (req.HasExpired())
{
Tracing?.TraceEvent(TraceEventType.Warning, 0, "ADM request for tag {0} and target {1} has expired so not returning message of type {2}", message.Tag, req.Target, message.Type);
return;
}
else
{
message.Target = req.Target;
}
}
}
var schema = new ADMService.MessageSchema(message);
schema.PrepareForBroadcast(adm);
//notify other clients listening to this client
Broadcast(ADMEvent.MESSAGE, message);
}