private static bool HistorianOK()
{
Boolean result = false;
HistorianConnectionStatus localStatus = new HistorianConnectionStatus();
try
{
_historian.GetConnectionStatus(ref localStatus);
result = !localStatus.ErrorOccurred;
}
catch (Exception ex)
{
log.Error(ex);
result = false;
}
return(result);
}
static void ConnectHistorian(HistorianAccess historian)
{
HistorianConnectionArgs connectionArgs = JsonConvert.DeserializeObject <HistorianConnectionArgs>(System.IO.File.ReadAllText("historianconnectionsettings.json"));
Console.WriteLine("Initiating asynchronous historian connection, please wait...");
HistorianAccessError error;
if (!historian.OpenConnection(connectionArgs, out error))
{
Console.WriteLine("Failed to initiate historian connection: {0} {1} {2}",
error.ErrorType, error.ErrorCode, error.ErrorDescription);
}
log.Info("Checking connection status...");
HistorianConnectionStatus connectionStatus = new HistorianConnectionStatus();
for (; ;)
{
historian.GetConnectionStatus(ref connectionStatus);
if (connectionStatus.Pending)
{
Console.WriteLine("Connection is pending");
Thread.Sleep(1000);
continue;
}
if (connectionStatus.ErrorOccurred)
{
Console.WriteLine("Connection error: {0}",
connectionStatus.Error.ErrorDescription);
}
Console.WriteLine("Server = {0}, ServerStorage = {1}, StoreForward = {2}",
connectionStatus.ConnectedToServer,
connectionStatus.ConnectedToServerStorage,
connectionStatus.ConnectedToStoreForward);
//Console.WriteLine("Press 'x' to continue or any other key to recheck the status");
//if (Console.ReadKey(true).KeyChar == 'x')
break;
}
}
