internal static PerformanceCounterCategory Create(string categoryName, string categoryHelp, CounterCreationDataCollection counterData, string machineName, string localizedIniFilePath)
{
CheckValidCategory(categoryName);
if (!SyntaxCheck.CheckMachineName(machineName))
{
throw new ArgumentException(SR.GetString(SR.InvalidParameter, "machineName", machineName));
}
if (machineName != "." && String.Compare(machineName, PerformanceCounterLib.ComputerName, true, CultureInfo.InvariantCulture) != 0)
{
throw new NotSupportedException(SR.GetString(SR.RemoteCounterAdmin));
}
PerformanceCounterPermission permission = new PerformanceCounterPermission(PerformanceCounterPermissionAccess.Administer, machineName, categoryName);
permission.Demand();
SharedUtils.CheckNtEnvironment();
Mutex mutex = SharedUtils.EnterMutex(perfMutexName);
try {
if (PerformanceCounterLib.IsCustomCategory(machineName, categoryName) || PerformanceCounterLib.CategoryExists(machineName, categoryName))
{
throw new InvalidOperationException(SR.GetString(SR.PerformanceCategoryExists));
}
// Ensure that there are no duplicate counter names being created
Hashtable h = new Hashtable();
for (int i = 0; i < counterData.Count; i++)
{
// Ensure that all counter help strings aren't null or empty
if (counterData[i].CounterName == null || counterData[i].CounterName.Length == 0)
{
throw new ArgumentException(SR.GetString(SR.InvalidCounterName));
}
int currentSampleType = (int)counterData[i].CounterType;
if ((currentSampleType == NativeMethods.PERF_AVERAGE_BULK) ||
(currentSampleType == NativeMethods.PERF_COUNTER_QUEUELEN_TYPE) ||
(currentSampleType == NativeMethods.PERF_COUNTER_LARGE_QUEUELEN_TYPE) ||
(currentSampleType == NativeMethods.PERF_100NSEC_MULTI_TIMER) ||
(currentSampleType == NativeMethods.PERF_100NSEC_MULTI_TIMER_INV) ||
(currentSampleType == NativeMethods.PERF_COUNTER_MULTI_TIMER) ||
(currentSampleType == NativeMethods.PERF_COUNTER_MULTI_TIMER_INV) ||
(currentSampleType == NativeMethods.PERF_RAW_FRACTION) ||
(currentSampleType == NativeMethods.PERF_SAMPLE_FRACTION) ||
(currentSampleType == NativeMethods.PERF_SAMPLE_COUNTER) ||
(currentSampleType == NativeMethods.PERF_AVERAGE_TIMER))
{
if (counterData.Count <= (i + 1))
{
throw new InvalidOperationException(SR.GetString(SR.CounterLayout));
}
else
{
currentSampleType = (int)counterData[i + 1].CounterType;
if (currentSampleType != NativeMethods.PERF_AVERAGE_BASE &&
currentSampleType != NativeMethods.PERF_COUNTER_MULTI_BASE &&
currentSampleType != NativeMethods.PERF_RAW_BASE &&
currentSampleType != NativeMethods.PERF_SAMPLE_BASE)
{
throw new InvalidOperationException(SR.GetString(SR.CounterLayout));
}
}
}
else if (currentSampleType == NativeMethods.PERF_AVERAGE_BASE ||
currentSampleType == NativeMethods.PERF_COUNTER_MULTI_BASE ||
currentSampleType == NativeMethods.PERF_RAW_BASE ||
currentSampleType == NativeMethods.PERF_SAMPLE_BASE)
{
if (i == 0)
{
throw new InvalidOperationException(SR.GetString(SR.CounterLayout));
}
else
{
currentSampleType = (int)counterData[i - 1].CounterType;
if (
(currentSampleType != NativeMethods.PERF_AVERAGE_BULK) &&
(currentSampleType != NativeMethods.PERF_COUNTER_QUEUELEN_TYPE) &&
(currentSampleType != NativeMethods.PERF_COUNTER_LARGE_QUEUELEN_TYPE) &&
(currentSampleType != NativeMethods.PERF_100NSEC_MULTI_TIMER) &&
(currentSampleType != NativeMethods.PERF_100NSEC_MULTI_TIMER_INV) &&
(currentSampleType != NativeMethods.PERF_COUNTER_MULTI_TIMER) &&
(currentSampleType != NativeMethods.PERF_COUNTER_MULTI_TIMER_INV) &&
(currentSampleType != NativeMethods.PERF_RAW_FRACTION) &&
(currentSampleType != NativeMethods.PERF_SAMPLE_FRACTION) &&
(currentSampleType != NativeMethods.PERF_SAMPLE_COUNTER) &&
(currentSampleType != NativeMethods.PERF_AVERAGE_TIMER))
{
throw new InvalidOperationException(SR.GetString(SR.CounterLayout));
}
}
}
if (h.ContainsKey(counterData[i].CounterName))
{
throw new ArgumentException(SR.GetString(SR.DuplicateCounterName, counterData[i].CounterName));
}
else
{
h.Add(counterData[i].CounterName, String.Empty);
// Ensure that all counter help strings aren't null or empty
if (counterData[i].CounterHelp == null || counterData[i].CounterHelp.Length == 0)
{
counterData[i].CounterHelp = counterData[i].CounterName + " help";
}
}
}
if (localizedIniFilePath == null)
{
PerformanceCounterLib.RegisterCategory(machineName, categoryName, categoryHelp, counterData);
}
else
{
PerformanceCounterLib.RegisterCategory(machineName, categoryName, categoryHelp, counterData, localizedIniFilePath);
}
return(new PerformanceCounterCategory(categoryName, machineName));
}
finally {
mutex.ReleaseMutex();
mutex.Close();
}
}