private Task <bool> CheckAuthentication(WebSocketMessage message, WebSocketType type)
{
if (!string.Equals(message.Type, "auth", StringComparison.InvariantCultureIgnoreCase))
{
return(Task.FromResult(false));
}
if (!string.Equals(message.Value, type.ToString(), StringComparison.InvariantCultureIgnoreCase))
{
return(Task.FromResult(false));
}
return(Task.FromResult(true));
}
/// <summary>
/// Parse VAL message from Websocket server.
/// </summary>
/// <param name="jsonmsg">JSONMessage</param>
/// <param name="wsClientType">WebsocketClientType</param>
private void parseVALMessage(string jsonmsg, WebSocketType wsClientType)
{
//Ignore "DMY" message. (DMY message is sent from server in order to keep-alive wifi connection (to prevent wifi low-power(high latency) mode).
if (jsonmsg == "DMY")
{
return;
}
string receivedJSONMode;
try
{
JObject jobject = JObject.Parse(jsonmsg);
receivedJSONMode = jobject.Property("mode").Value.ToString();
}
catch (KeyNotFoundException ex)
{
logger.Error(ex.GetType().ToString() + " " + ex.Message + " JSON:" + jsonmsg);
return;
}
catch (JsonReaderException ex)
{
logger.Error(ex.GetType().ToString() + " " + ex.Message + " JSON:" + jsonmsg);
return;
}
catch (JsonException ex)
{
logger.Error(ex.GetType().ToString() + " " + ex.Message + " JSON:" + jsonmsg);
return;
}
try
{
if (receivedJSONMode == ValueJSONFormat.ModeCode)
{
ValueJSONFormat valJson = JsonConvert.DeserializeObject <ValueJSONFormat>(jsonmsg);
valJson.Validate();
switch (wsClientType)
{
case WebSocketType.DEFI:
foreach (String code in valJson.val.Keys)
{
double value = double.Parse(valJson.val[code]);
if (code == DefiParameterCode.Engine_Speed.ToString())
{
this.engineRev = value;
}
else
{
throw new InvalidOperationException("Unexpected parameter code is returned on parsing VAL. ServerType:" + wsClientType.ToString() + " Code:" + code);
}
}
break;
case WebSocketType.SSM:
foreach (string code in valJson.val.Keys)
{
double value = double.Parse(valJson.val[code]);
if (code == SSMParameterCode.Vehicle_Speed.ToString())
{
this.vehicleSpeed = value;
}
else if (code == SSMParameterCode.Engine_Speed.ToString())
{
this.engineRev = value;
}
else if (code == SSMParameterCode.Fuel_Injection_1_Pulse_Width.ToString())
{
this.injPulseWidth = value;
}
else if (code == SSMParameterCode.Mass_Air_Flow.ToString())
{
this.massAirFlow = value;
}
else if (code == SSMParameterCode.Air_Fuel_Sensor_1.ToString())
{
this.afRatio = value;
}
else
{
throw new InvalidOperationException("Unexpected parameter code is returned on parsing VAL. ServerType:" + wsClientType.ToString() + " Code:" + code);
}
}
break;
case WebSocketType.ARDUINO:
foreach (string code in valJson.val.Keys)
{
double value = double.Parse(valJson.val[code]);
if (code == ArduinoParameterCode.Engine_Speed.ToString())
{
this.engineRev = value;
}
else if (code == ArduinoParameterCode.Vehicle_Speed.ToString())
{
this.vehicleSpeed = value;
}
else
{
throw new InvalidOperationException("Unexpected parameter code is returned on parsing VAL. ServerType:" + wsClientType.ToString() + " Code:" + code);
}
}
break;
case WebSocketType.ELM327:
foreach (string code in valJson.val.Keys)
{
double value = double.Parse(valJson.val[code]);
if (code == OBDIIParameterCode.Engine_Speed.ToString())
{
this.engineRev = value;
}
else if (code == OBDIIParameterCode.Vehicle_Speed.ToString())
{
this.vehicleSpeed = value;
}
else if (code == OBDIIParameterCode.Mass_Air_Flow.ToString())
{
this.massAirFlow = value;
}
else if (code == OBDIIParameterCode.Command_equivalence_ratio.ToString())
{
this.afRatio = value;
}
else if (code == OBDIIParameterCode.Engine_fuel_rate.ToString())
{
this.fuelRate = value;
}
else
{
throw new InvalidOperationException("Unexpected parameter code is returned on parsing VAL. ServerType:" + wsClientType.ToString() + " Code:" + code);
}
}
break;
}
//Finally fire VALMessageReceived event
VALMessageParsed(this, null);
}
else if (receivedJSONMode == ErrorJSONFormat.ModeCode)
{
ErrorJSONFormat err_json = JsonConvert.DeserializeObject <ErrorJSONFormat>(jsonmsg);
err_json.Validate();
logger.Error("Error occured from " + wsClientType.ToString() + ":" + err_json.msg);
}
else if (receivedJSONMode == ResponseJSONFormat.ModeCode)
{
ResponseJSONFormat res_json = JsonConvert.DeserializeObject <ResponseJSONFormat>(jsonmsg);
res_json.Validate();
logger.Info("Response from " + wsClientType.ToString() + ":" + res_json.msg);
}
}
catch (JSONFormatsException ex)
{
logger.Error(ex.GetType().ToString() + " " + ex.Message + " JSON:" + jsonmsg);
return;
}
catch (JsonException ex)
{
logger.Error(ex.GetType().ToString() + " " + ex.Message + " JSON:" + jsonmsg);
return;
}
catch (KeyNotFoundException ex)
{
logger.Error(ex.GetType().ToString() + " " + ex.Message + " JSON:" + jsonmsg);
return;
}
catch (FormatException ex)
{
logger.Error(ex.GetType().ToString() + " " + ex.Message + " JSON:" + jsonmsg);
return;
}
catch (InvalidOperationException ex)
{
logger.Error(ex.GetType().ToString() + " " + ex.Message + " JSON:" + jsonmsg);
return;
}
}
