protected void OnProcessStopping(AgentProcess process)
{
if (null != ProcessStopping)
{
ProcessStopping(process, new EventArgs());
}
}
protected void OnProcessNotHealthy(AgentProcess process)
{
if (null != ProcessNotHealthy)
{
ProcessNotHealthy(process, new EventArgs());
}
}
/// <summary>
/// Disassociates an AgentProcess with the pool.
/// </summary>
/// <param name="Process">AgentProcess object to remove from the pool.</param>
public void RemoveProcess(AgentProcess Process)
{
Process.Started -= new EventHandler(Process_Started);
Process.Stopped -= new EventHandler(Process_Stopped);
Process.Stopping -= new EventHandler(Process_Stopping);
runningProcesses.Remove(Process);
}
private void run()
{
while (keepRunning)
{
if (RunningProcesses < MaxRunningProcesses && processQueue.Count > 0)
{
ProcessInfo processInfo = (ProcessInfo)processQueue.Dequeue();
AgentProcess newProcess = new AgentProcess();
newProcess.Application = processInfo.Application;
newProcess.Arguments = processInfo.Arguments;
newProcess.MaxMemoryUsage = MaxPerProcessMemoryUsage;
newProcess.MaxRuntime = MaxPerProcessRuntime;
newProcess.Priority = ProcessPriority;
newProcess.VerboseLogging = VerboseLogging;
newProcess.Started += new EventHandler(Process_Started);
newProcess.Stopped += new EventHandler(Process_Stopped);
newProcess.Stopping += new EventHandler(Process_Stopping);
newProcess.Start();
}
for (int i = runningProcesses.Count - 1; i > -1; i--)
{
try
{
AgentProcess p = (AgentProcess)runningProcesses[i];
if (!p.IsHealthy)
{
OnProcessNotHealthy(p);
}
}
catch {}
}
System.Threading.Thread.Sleep(1000);
}
}
private void shortPool_ProcessNotHealthy(object sender, EventArgs e)
{
AgentProcess p = (AgentProcess)sender;
// Check whether service timed out
if (p.Runtime > p.MaxRuntime)
{ // Service timed out
// Attempt to add the process to the long pool.
// Increase timeout
p.MaxRuntime = longPool.MaxPerProcessRuntime;
if (!longPool.AddProcess(p))
{
EPSEventLog.WriteEntry("Extended queue rejected process. Process will be terminated." + Environment.NewLine +
p.ToString(), System.Diagnostics.EventLogEntryType.Warning);
p.Stop(); // Stop the process if the long pool will not accept it.
}
else
{ // Must call RemoveProcess AFTER any possible process stopping,
//because RemoveProcess unregisters events
shortPool.RemoveProcess(p);
EPSEventLog.WriteEntry("Process was moved to extended queue." + Environment.NewLine +
p.ToString(), System.Diagnostics.EventLogEntryType.Warning);
}
}
else
{ // Service exceeded memory limit
EPSEventLog.WriteEntry("Process has exceeded maximum allowed memory. Process will be terminated." + Environment.NewLine +
p.ToString(), System.Diagnostics.EventLogEntryType.Warning);
p.Stop();
}
}
private void longPool_ProcessStopping(object sender, EventArgs e)
{
AgentProcess p = (AgentProcess)sender;
if (p.Arguments.StartsWith("WPITEM"))
{ // only call service error for WPITEM problems
ServiceError(p.TaskId, p.TaskUser);
}
}
/// <summary>
/// Add an existing AgentProcess to the pool if there is room.
/// </summary>
/// <param name="Process">An instantiated AgentProcess object.</param>
/// <returns>A bool indicating whether the AgentProcess was added to the pool.</returns>
public bool AddProcess(AgentProcess Process)
{
if (processQueue.Count == 0 && RunningProcesses < MaxRunningProcesses)
{
runningProcesses.Add(Process);
Process.Started += new EventHandler(Process_Started);
Process.Stopped += new EventHandler(Process_Stopped);
Process.Stopping += new EventHandler(Process_Stopping);
return(true);
}
else
{
return(false);
}
}
//
// private long serviceMemMax
// {
// get
// {
// return (((long)serviceMemMaxMB) * ((long)Math.Pow(2d,20d)));
// }
// }
public ServiceWrapper(int ServiceID, int ExitInterval, int ExitMax, int ServiceProcessPriority, int ServiceMemMaxMB, int VerboseLogging, int StopProcessTimeout)
{
string path = System.IO.Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath);
exitInterval = ExitInterval;
exitMax = ExitMax;
// serviceProcessPriority = ServiceProcessPriority;
this.ServiceID = ServiceID;
// this.serviceMemMaxMB=ServiceMemMaxMB;
// verboseLogging = VerboseLogging==1;
p = new AgentProcess();
p.Application = System.IO.Path.Combine(path, "EproServer.exe");
p.Arguments = "SERVICE=" + this.ServiceID.ToString();
p.MaxMemoryUsage = (uint)(ServiceMemMaxMB * Math.Pow(2d, 20d));
p.StopProcessTimeout = TimeSpan.FromMilliseconds(StopProcessTimeout);
p.VerboseLogging = VerboseLogging == 1;
switch (ServiceProcessPriority)
{
case 1:
p.Priority = System.Diagnostics.ProcessPriorityClass.Idle;
break;
case 2:
p.Priority = System.Diagnostics.ProcessPriorityClass.BelowNormal;
break;
case 3:
default:
p.Priority = System.Diagnostics.ProcessPriorityClass.Normal;
break;
case 4:
p.Priority = System.Diagnostics.ProcessPriorityClass.AboveNormal;
break;
case 5:
p.Priority = System.Diagnostics.ProcessPriorityClass.High;
break;
}
p.Started += new EventHandler(p_Started);
p.Stopped += new EventHandler(p_Stopped);
p.Stopping += new EventHandler(p_Stopping);
}
private void longPool_ProcessNotHealthy(object sender, EventArgs e)
{
// Stop unhealthy processes in long pool
AgentProcess p = (AgentProcess)sender;
// Check whether service timed out
if (p.Runtime > p.MaxRuntime)
{ // Service timed out
EPSEventLog.WriteEntry("Process timed out in extended queue. Process will be terminated." + Environment.NewLine +
p.ToString(), System.Diagnostics.EventLogEntryType.Warning);
p.Stop();
}
else
{ // Service exceeded memory limit
EPSEventLog.WriteEntry("Process has exceeded maximum allowed memory. Process will be terminated." + Environment.NewLine +
p.ToString(), System.Diagnostics.EventLogEntryType.Warning);
p.Stop();
}
}
