static public ProcessInfo[] GetHistory(int numRecords)
{
HttpContext context = HttpContext.Current;
if (context == null || context.WorkerRequest == null ||
!(context.WorkerRequest is System.Web.Hosting.ISAPIWorkerRequestOutOfProc))
{
throw new HttpException(SR.GetString(SR.Process_information_not_available));
}
if (numRecords < 1)
{
return(null);
}
int [] dwPID = new int [numRecords];
int [] dwExed = new int [numRecords];
int [] dwExei = new int [numRecords];
int [] dwPend = new int [numRecords];
int [] dwReas = new int [numRecords];
long [] tmCrea = new long [numRecords];
long [] tmDeat = new long [numRecords];
int [] mem = new int [numRecords];
int iRows = UnsafeNativeMethods.PMGetHistoryTable(numRecords, dwPID, dwExed, dwPend, dwExei, dwReas, mem, tmCrea, tmDeat);
if (iRows < 0)
{
throw new HttpException(SR.GetString(SR.Process_information_not_available));
}
ProcessInfo[] ret = new ProcessInfo[iRows];
for (int iter = 0; iter < iRows; iter++)
{
DateTime startTime = DateTime.FromFileTime(tmCrea[iter]);
TimeSpan age = DateTime.Now.Subtract(startTime);
ProcessStatus status = ProcessStatus.Alive;
ProcessShutdownReason rea = ProcessShutdownReason.None;
if (dwReas[iter] != 0)
{
if (tmDeat[iter] > 0)
{
age = DateTime.FromFileTime(tmDeat[iter]).Subtract(startTime);
}
if ((dwReas[iter] & 0x0004) != 0)
{
status = ProcessStatus.Terminated;
}
else if ((dwReas[iter] & 0x0002) != 0)
{
status = ProcessStatus.ShutDown;
}
else
{
status = ProcessStatus.ShuttingDown;
}
if ((0x0040 & dwReas[iter]) != 0)
{
rea = ProcessShutdownReason.IdleTimeout;
}
else if ((0x0080 & dwReas[iter]) != 0)
{
rea = ProcessShutdownReason.RequestsLimit;
}
else if ((0x0100 & dwReas[iter]) != 0)
{
rea = ProcessShutdownReason.RequestQueueLimit;
}
else if ((0x0020 & dwReas[iter]) != 0)
{
rea = ProcessShutdownReason.Timeout;
}
else if ((0x0200 & dwReas[iter]) != 0)
{
rea = ProcessShutdownReason.MemoryLimitExceeded;
}
else if ((0x0400 & dwReas[iter]) != 0)
{
rea = ProcessShutdownReason.PingFailed;
}
else if ((0x0800 & dwReas[iter]) != 0)
{
rea = ProcessShutdownReason.DeadlockSuspected;
}
else
{
rea = ProcessShutdownReason.Unexpected;
}
}
ret[iter] = new ProcessInfo(startTime, age, dwPID[iter], dwExed[iter], status, rea, mem[iter]);
}
return(ret);
}