/// <summary>
/// Initialize ELM327COM websocket client.
/// </summary>
/// <param name="url">URL of the server.</param>
/// <param name="codes">Parameter code list</param>
/// <returns></returns>
private WebSocket initializeELM327COMWSClient(string url, List <OBDIIParameterCode> codes)
{
if (codes.Count == 0)
{
return(null);
}
const WebSocketType WSType = WebSocketType.ELM327;
WebSocket wsClient = new WebSocket(url);
wsClient.Opened += (sender, e) =>
{
foreach (OBDIIParameterCode code in codes)
{
// Send read packet both slow and fast readmode.
ELM327COMReadJSONFormat sendcode = new ELM327COMReadJSONFormat();
sendcode.code = code.ToString();
sendcode.read_mode = ELM327COMReadJSONFormat.SlowReadModeCode;
sendcode.flag = true;
wsClient.Send(sendcode.Serialize());
sendcode.read_mode = ELM327COMReadJSONFormat.FastReadModeCode;
wsClient.Send(sendcode.Serialize());
}
};
wsClient.Error += (sender, e) => wsErrorMsg(WSType.ToString(), e.Exception.ToString(), e.Exception.Message);
wsClient.Closed += (sender, e) => wsClosedReconnect(WSType.ToString(), wsClient);
wsClient.MessageReceived += (sender, e) => parseVALMessage(e.Message, WSType);
return(wsClient);
}
protected override void processReceivedJSONMessage(string receivedJSONmode, string message, WebSocketSession session)
{
var sessionparam = (ELM327WebsocketSessionParam)session.Items["Param"];
switch (receivedJSONmode)
{
//ELM327 COM all reset
case (ResetJSONFormat.ModeCode):
sessionparam.reset();
send_response_msg(session, "ELM327COM session RESET. All send parameters are disabled.");
break;
case (ELM327COMReadJSONFormat.ModeCode):
ELM327COMReadJSONFormat msg_obj_elm327read = JsonConvert.DeserializeObject <ELM327COMReadJSONFormat>(message);
msg_obj_elm327read.Validate();
OBDIIParameterCode target_code = (OBDIIParameterCode)Enum.Parse(typeof(OBDIIParameterCode), msg_obj_elm327read.code);
bool flag = msg_obj_elm327read.flag;
if (msg_obj_elm327read.read_mode == ELM327COMReadJSONFormat.FastReadModeCode)
{
sessionparam.FastSendlist[target_code] = flag;
}
else
{
sessionparam.SlowSendlist[target_code] = flag;
}
send_response_msg(session, "EM327COM session read flag for : " + target_code.ToString() + " read_mode :" + msg_obj_elm327read.read_mode + " set to : " + flag.ToString());
break;
case (ELM327SLOWREADIntervalJSONFormat.ModeCode):
ELM327SLOWREADIntervalJSONFormat msg_obj_interval = JsonConvert.DeserializeObject <ELM327SLOWREADIntervalJSONFormat>(message);
msg_obj_interval.Validate();
elm327com.SlowReadInterval = msg_obj_interval.interval;
send_response_msg(session, "ELM327COM slowread interval to : " + msg_obj_interval.interval.ToString());
break;
default:
throw new JSONFormatsException("Unsuppoted mode property.");
}
}
