protected void Init()
{
StarterPIDAliveChecker = new ProcessAliveChecker(Config.ParentPID, TimeSpan.FromSeconds(5), () =>
{
Log.Error($"Unable to locate PID={Config.ParentPID} of parent-process, assuming crash; Stopping...");
Stop();
});
Log.Info($"Doing inital check if starter process[PID={Config.ParentPID}] is alive");
if (!ProcessAliveChecker.CheckIfPIDAlive(Config.ParentPID))
{
throw new ArgumentException($"{nameof(Config.ParentPID)}={Config.ParentPID} not found!");
}
Log.Info($"Starting {nameof(StarterPIDAliveChecker)}; StarterPID={Config.ParentPID}");
StarterPIDAliveChecker.Start();
}
/// <summary>
///
/// </summary>
/// <returns><code>true</code> if the lockfile is valid, other wise <code>false</code></returns>
protected bool ValidateLockFile()
{
if (LockFile.PID < 0)
{
Log.Warn($"Lockfile contains invalid PID='{LockFile.PID}'");
return(false);
}
if (!ProcessAliveChecker.CheckIfPIDAlive(LockFile.PID))
{
Log.Warn($"PID of lockfile '{LockFile.PID}' is not alive");
return(false);
}
if ((DateTime.Now - LockFile.UpdateDate) >= LockFileConfig.LockFileInvalidAfter)
{
Log.Warn($"Lockfile was updated by a process at {LockFile.UpdateDate} which is outside the range of +/-3d of the current time");
return(false);
}
return(true);
}
public void Start()
{
Log.Info("Start");
Stopped = false;
AppDomain.CurrentDomain.ProcessExit += ProcessExit;
AdminComConfig.ParentPID = Process.GetCurrentProcess().Id;
LaunchWebSocketServer();
StartAdminProcess();
AdminProcessAliveChecker = new ProcessAliveChecker(AdminProcessID.Value, TimeSpan.FromSeconds(5), () =>
{
Log.Error($"Unable to locate PID={AdminProcessID.Value} of admin-process, assuming crash; Stopping...");
Stop();
throw new OperationCanceledException($"SERVER_SHUTDOWN: Unable to locate PID={AdminProcessID.Value} of admin-process, assuming crash");
});
AdminProcessAliveChecker.Start();
Log.Info("Waiting for handshake...");
if (!HandshakeWithinTimeout
.StartTimeout(AdminComConfig.StartInactivityShutdownTimeout)
.Result)
{
Log.Error($"No handshake from Admin-process within timeout[='{AdminComConfig.StartInactivityShutdownTimeout}']; Stopping...");
Stop();
throw new OperationCanceledException($"SERVER_SHUTDOWN: No handshake from Admin-process within timeout[='{AdminComConfig.StartInactivityShutdownTimeout}']");
}
else
{
Log.Info("Handshake successful");
}
}
