internal /*public*/ static void Open(String AppName)
{
try {
// Don't activate perf counters is ISAPI isn't loaded
if (!HttpRuntime.IsIsapiLoaded)
{
return;
}
// If perf counters has been initialized once already, return
if ((!_goingAway) && (_numCalls >= 0))
{
return;
}
_global = UnsafeNativeMethods.PerfOpenGlobalCounters();
if (AppName != null)
{
_instance = UnsafeNativeMethods.PerfOpenAppCounters(AppName);
}
// Set this guy to zero so that we allow access to the interlocked methods
_numCalls = 0;
}
catch (Exception e) {
Debug.Trace("Perfcounters", "Exception: " + e.StackTrace);
}
}
// The app name should either be a valid app name or be 'null' to get the state service
// counters initialized
private static void OpenCounter(string appName)
{
try {
// Don't activate perf counters if webengine.dll isn't loaded
if (!HttpRuntime.IsEngineLoaded)
{
return;
}
// Open the global counters
if (_global == IntPtr.Zero)
{
_global = UnsafeNativeMethods.PerfOpenGlobalCounters();
}
// If appName is null, then we want the state counters
if (appName == null)
{
if (_stateService == IntPtr.Zero)
{
_stateService = UnsafeNativeMethods.PerfOpenStateCounters();
}
}
else
{
if (appName != null)
{
_instance = UnsafeNativeMethods.PerfOpenAppCounters(appName);
}
}
}
catch (Exception e) {
Debug.Trace("Perfcounters", "Exception: " + e.StackTrace);
}
}
private static void OpenCounter(string appName)
{
try
{
if (HttpRuntime.IsEngineLoaded)
{
if (_global == IntPtr.Zero)
{
_global = UnsafeNativeMethods.PerfOpenGlobalCounters();
}
if (appName == null)
{
if (_stateService == IntPtr.Zero)
{
_stateService = UnsafeNativeMethods.PerfOpenStateCounters();
}
}
else if (appName != null)
{
_instance = UnsafeNativeMethods.PerfOpenAppCounters(appName);
}
}
}
catch (Exception)
{
}
}
