public static ResourceSnapshot FromProcess(Process process)
{
ResourceSnapshot newSnapshot = new ResourceSnapshot()
{
PeakPagedMemorySize = process.PeakPagedMemorySize64,
PeakWorkingSet = process.PeakWorkingSet64,
PrivateMemorySize = process.PrivateMemorySize64,
ThreadCount = process.Threads.Count,
HandleCount = process.HandleCount,
IsNotResponding = !process.Responding
};
return(newSnapshot);
}
public ResourceSnapshot LogResourceSnapshot(Process proc)
{
proc.Refresh();
ResourceSnapshot snapshot = ResourceSnapshot.FromProcess(proc);
Log.Logger.Debug("Process Snapshot: {0}", snapshot);
lock (_resourceSnapshots)
{
_resourceSnapshots.Enqueue(snapshot);
while (_resourceSnapshots.Count > MaxResourceSnapshots)
{
_resourceSnapshots.Dequeue(); //Just abandon old resource snapshots
}
}
return(snapshot);
}
private void MonitorProcess(object state)
{
try
{
string executionString = ExecutionString;
Log.Logger.Information("Launching {0}", executionString);
while (!_disposed)
{
Process p = new Process();
p.StartInfo = new ProcessStartInfo(executionString);
p.Start();
Thread.Sleep(5000); //Wait at least 5 seconds before doing anything else to prevent spiraling out of control
//Look for process
foreach (Process proc in Process.GetProcesses())
{
if (proc.ProcessName.StartsWith(ProcessName))
{
Log.Logger.Information("Found Monitor Process: {0}", proc.ProcessName);
lock (_monitoringProcessLock)
{
_monitoringProcess = proc;
}
ClearSnapshotHistory();
DateTime unresponsiveTime = DateTime.Now;
bool exited = proc.WaitForExit((int)(ResourceSnapshotInterval.TotalMilliseconds));
while (!exited)
{
//The process is still running. This is good, just take a snapshot of it
lock (_monitoringProcessLock)
{
ResourceSnapshot snapshot = LogResourceSnapshot(_monitoringProcess);
try
{
ResourceEvent?.Invoke(this, snapshot);
}
catch (Exception e)
{
Log.Logger.Information("No Event Handler for the snap {e}", e);
}
if (snapshot.IsNotResponding)
{
if (DateTime.Now >= unresponsiveTime + UnresponsiveTimeout)
{
Log.Logger.Warning("Application is not responding. Will kill.");
Kill();
}
}
else
{
unresponsiveTime = DateTime.Now;
}
}
exited = proc.WaitForExit((int)(ResourceSnapshotInterval.TotalMilliseconds));
}
//Once the process exits, then dump some stats and restart it
lock (_monitoringProcessLock)
{
RaiseProcessExited();
_monitoringProcess = null;
}
}
}
}
}
catch (Exception ex)
{
RaiseProcessEvent(string.Format("Error with program: {0}", ex.Message));
}
}
