ProcessModelInfo.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / ProcessModelInfo.cs / 1 / ProcessModelInfo.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 * ProcessInfo class 
 */
namespace System.Web { 
    using System.Runtime.Serialization.Formatters;
    using System.Threading;
    using System.Security.Permissions;
 

    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] 
    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 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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