private void onEvent(Event evt)
{
switch (evt.Code)
{
case AdapterMsg.ID_Event_AlarmOrEvent:
var alarm = StdJson.ObjectFromUtf8Stream <AdapterAlarmOrEvent>(evt.Payload);
if (alarm != null)
{
callback?.Notify_AlarmOrEvent(alarm);
}
break;
case AdapterMsg.ID_Event_DataItemsChanged:
var items = StdJson.ObjectFromUtf8Stream <DataItemValue[]>(evt.Payload);
if (items != null)
{
callback?.Notify_DataItemsChanged(items);
}
break;
default:
Console.Error.WriteLine("Unknown event code: " + evt.Code);
break;
}
}
private async Task <T> SendRequest <T>(AdapterMsg requestMsg)
{
using (Response res = await connection.SendRequest(requestMsg.GetMessageCode(), stream => StdJson.ObjectToStream(requestMsg, stream))) {
if (res.Success)
{
return(StdJson.ObjectFromUtf8Stream <T>(res.SuccessPayload));
}
else
{
throw new Exception(res.ErrorMsg);
}
}
}
private static async Task Loop(TcpConnectorSlave connector, AdapterBase module)
{
Process?parentProcess = null;
using (Request request = await connector.ReceiveRequest(5000)) {
if (request.Code != AdapterMsg.ID_ParentInfo)
{
throw new Exception("Missing ParentInfo request");
}
ParentInfoMsg?info = StdJson.ObjectFromUtf8Stream <ParentInfoMsg>(request.Payload);
if (info == null)
{
throw new Exception("ParentInfoMsg is null");
}
parentProcess = Process.GetProcessById(info.PID);
connector.SendResponseSuccess(request.RequestID, s => { });
}
Thread t = new Thread(() => { ParentAliveChecker(parentProcess); });
t.IsBackground = true;
t.Start();
var helper = new AdapterHelper(module, connector);
bool run = true;
while (run)
{
using (Request request = await connector.ReceiveRequest()) {
helper.ExecuteAdapterRequestAsync(request);
bool shutdown = request.Code == AdapterMsg.ID_Shutdown;
run = !shutdown;
}
}
// Wait until parent process kills us (after Shutdown method completed)
while (true)
{
await Task.Delay(1000);
}
}
private static T Deserialize <T>(MemoryStream stream) => StdJson.ObjectFromUtf8Stream <T>(stream);
private static T Deserialize <T>(MemoryStream stream) => StdJson.ObjectFromUtf8Stream <T>(stream) ?? throw new Exception("Unexpected null value");