private async Task RestartConnectionOrFail()
{
if (isRestartingConnection)
{
while (isRestartingConnection)
{
await Task.Delay(50);
}
return;
}
Console.Out.WriteLine($"{Timestamp.Now} WARN: Connection closed unexpectedly. Restarting connection...");
Console.Out.Flush();
try {
isRestartingConnection = true;
this.connection = await HttpConnection.ConnectWithModuleLogin(initInfo);
isRestartingConnection = false;
Console.Out.WriteLine($"{Timestamp.Now}: Connection restarted successfully.");
Console.Out.Flush();
}
catch (Exception exp) {
Exception e = exp.GetBaseException() ?? exp;
Console.Error.WriteLine($"{Timestamp.Now}: Restarting connection failed: {e.Message}");
Console.Error.WriteLine($"{Timestamp.Now}: Terminating in 5 seconds...");
Console.Error.Flush();
await Task.Delay(5000);
Environment.Exit(1);
}
}
public override async Task Init(ModuleInitInfo info, VariableValue[] restoreVariableValues, Notifier notifier, ModuleThread moduleThread)
{
this.notifier = notifier;
con = await HttpConnection.ConnectWithModuleLogin(info, listener : null, timeoutSeconds : 10 * 60);
moduleID = info.ModuleID;
log = LogManager.GetLogger(info.ModuleID);
}
public override async Task Init(ModuleInitInfo info,
VariableValue[] restoreVariableValues,
Notifier notifier,
ModuleThread moduleThread)
{
await base.Init(info, restoreVariableValues, notifier, moduleThread);
connection = await HttpConnection.ConnectWithModuleLogin(info, this);
await connection.EnableAlarmsAndEvents(Severity.Info);
}
public override async Task Run(Func <bool> shutdown)
{
this.connection = await HttpConnection.ConnectWithModuleLogin(initInfo);
running = true;
_ = KeepSessionAlive();
foreach (CalcInstance a in adapters)
{
StartRunLoopTask(a);
}
while (!shutdown())
{
await Task.Delay(100);
}
running = false;
await Shutdown();
}
private static async Task <Connection> EnsureConnectOrThrow(ModuleInitInfo info, Connection?client, Action?onConfigChanged = null, string?moduleID = null)
{
if (client != null && !client.IsClosed)
{
try {
await client.Ping();
return(client);
}
catch (Exception) {
Task _ = client.Close();
return(await EnsureConnectOrThrow(info, null));
}
}
try {
EventListener?listener = onConfigChanged == null ? null : new MyEventListener(onConfigChanged);
Connection con = await HttpConnection.ConnectWithModuleLogin(info, listener);
if (onConfigChanged != null && moduleID != null)
{
var objRoot = await con.GetRootObject(moduleID);
await con.EnableConfigChangedEvents(objRoot.ID);
}
return(con);
}
catch (Exception exp) {
Exception e = exp.GetBaseException() ?? exp;
string msg = $"Failed ifakFAST connection: {e.GetType().FullName} {e.Message}";
if (!e.Message.Contains("request because system is shutting down"))
{
Console.Error.WriteLine(msg);
}
throw new Exception(msg);
}
}
private async Task ConnectAndEnableEvents()
{
connection = await HttpConnection.ConnectWithModuleLogin(info, this);
await connection.EnableAlarmsAndEvents(Severity.Info);
}