private static bool CloseHandle(RestartManager.RM_PROCESS_INFO locker, DetectOpenFiles.HandleRecord[] handles, string path)
{
foreach (var handle in handles)
{
try
{
handle.Close();
}
catch (Exception ex)
{
Log.Verbose($"Error while closing handle {ex}");
return false;
}
}
return Wait(handles);
}
private static Result Liberate(RestartManager.RM_PROCESS_INFO locker, string path)
{
var process = Process.GetProcessById(locker.Process.dwProcessId);
var handles = DetectOpenFiles.GetOpenFilesEnumerator(process.Id).Where(h => h.FilePath.StartsWith(path, StringComparison.CurrentCultureIgnoreCase)).ToArray();
/*Need to access these variables after the process is terminated.*/
var processId = process.Id;
var processName = process.ProcessName;
if (Can(Result.ServiceStop) && StopService(locker, handles))
{
Log.Info($"Stopped windows service {locker.strServiceShortName} ({locker.strAppName}) with id {processId}.");
return Result.Message;
}
if (Can(Result.Message) && SendCloseMessage(process, handles))
{
Log.Info($"Closed {processName} with id {processId} via close message.");
return Result.Message;
}
if(Can(Result.CloseHandle) && CloseHandle(locker, handles, path))
{
Log.Info($"Closed {handles.Length} handle(s) in process {processName} with id {processId}.");
return Result.CloseHandle;
}
if (Can(Result.Kill) && Kill(process))
{
Log.Info($"Killed {processName} with id {processId}.");
return Result.Kill;
}
return Result.Failure;
}
private static bool StopService(RestartManager.RM_PROCESS_INFO locker, DetectOpenFiles.HandleRecord[] handles)
{
if (!string.IsNullOrEmpty(locker.strServiceShortName))
{
Log.Verbose($"Found windows service {locker.strServiceShortName}");
var service = new ServiceController(locker.strServiceShortName);
service.Stop();
try
{
return Wait(handles);
}
catch(Exception ex)
{
Log.Error($"Service {locker.strServiceShortName} failed to stop:" + ex.Message);
return false;
}
}
return false;
}