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//------------------------------------------------------------------------------
// <copyright file="ProcessModelInfo.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
/*
* ProcessInfo class
*/
namespace System.Web {
using System.Runtime.Serialization.Formatters;
using System.Threading;
using System.Security.Permissions;
public class ProcessModelInfo {
[AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.High)]
static public ProcessInfo GetCurrentProcessInfo() {
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));
}
int dwReqExecuted = 0;
int dwReqExecuting = 0;
long tmCreateTime = 0;
int pid = 0;
int mem = 0;
int iRet = UnsafeNativeMethods.PMGetCurrentProcessInfo (
ref dwReqExecuted, ref dwReqExecuting, ref mem,
ref tmCreateTime, ref pid);
if (iRet < 0)
throw new HttpException(SR.GetString(SR.Process_information_not_available));
DateTime startTime = DateTime.FromFileTime(tmCreateTime);
TimeSpan age = DateTime.Now.Subtract(startTime);
return new ProcessInfo(startTime, age, pid, dwReqExecuted,
ProcessStatus.Alive, ProcessShutdownReason.None, mem);
}
[AspNetHostingPermission(SecurityAction.Demand, Level=AspNetHostingPermissionLevel.High)]
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;
}
}
}
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