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//------------------------------------------------------------------------------
// <copyright file="events.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Management {
using System.Configuration.Provider;
using System.Collections.Specialized;
using System.Web.Util;
using System.Security.Principal;
using System.Configuration;
using System.Text;
using System;
using System.Globalization;
using System.Web.UI;
using System.Security.Permissions;
////////////
// Events
////////////
public class WmiWebEventProvider : WebEventProvider {
public override void Initialize(string name, NameValueCollection config)
{
Debug.Trace("WmiWebEventProvider", "Initializing: name=" + name);
int hr;
hr = UnsafeNativeMethods.InitializeWmiManager();
if (hr != 0) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Wmi_provider_cant_initialize, "0x" + hr.ToString("X8", CultureInfo.CurrentCulture)));
}
base.Initialize(name, config);
ProviderUtil.CheckUnrecognizedAttributes(config, name);
}
string WmiFormatTime(DateTime dt) {
// CIM DATETIME has this format:
// yyyymmddHHMMSS.mmmmmmsUUU
// where s = [+|-}
// UUU = Three-digit offset indicating the number of minutes that the
// originating time zone deviates from UTC.
StringBuilder sb = new StringBuilder(26);
sb.Append(dt.ToString("yyyyMMddHHmmss.ffffff", CultureInfo.InstalledUICulture));
double offset = TimeZone.CurrentTimeZone.GetUtcOffset(dt).TotalMinutes;
if (offset >= 0) {
sb.Append('+');
}
sb.Append(offset);
return sb.ToString();
}
void FillBasicWmiDataFields(ref UnsafeNativeMethods.WmiData wmiData, WebBaseEvent eventRaised) {
WebApplicationInformation appInfo = WebBaseEvent.ApplicationInformation;
wmiData.eventType = (int)WebBaseEvent.WebEventTypeFromWebEvent(eventRaised);
// Note: WMI sint64 requires a string param
// Data contained in WebBaseEvent
wmiData.eventCode = eventRaised.EventCode;
wmiData.eventDetailCode = eventRaised.EventDetailCode;
wmiData.eventTime = WmiFormatTime(eventRaised.EventTime);
wmiData.eventMessage = eventRaised.Message;
wmiData.sequenceNumber = eventRaised.EventSequence.ToString(CultureInfo.InstalledUICulture);
wmiData.occurrence = eventRaised.EventOccurrence.ToString(CultureInfo.InstalledUICulture);
wmiData.eventId = eventRaised.EventID.ToString("N", CultureInfo.InstalledUICulture);
wmiData.appDomain = appInfo.ApplicationDomain;
wmiData.trustLevel = appInfo.TrustLevel;
wmiData.appVirtualPath = appInfo.ApplicationVirtualPath;
wmiData.appPath = appInfo.ApplicationPath;
wmiData.machineName = appInfo.MachineName;
if (eventRaised.IsSystemEvent) {
wmiData.details = String.Empty;
}
else {
WebEventFormatter formatter = new WebEventFormatter();
eventRaised.FormatCustomEventDetails(formatter);
wmiData.details = formatter.ToString();
}
}
void FillRequestWmiDataFields(ref UnsafeNativeMethods.WmiData wmiData, WebRequestInformation reqInfo) {
string user;
string authType;
bool authed;
IPrincipal iprincipal = reqInfo.Principal;
if (iprincipal == null) {
user = String.Empty;
authType = String.Empty;
authed = false;
}
else {
IIdentity id = iprincipal.Identity;
user = id.Name;
authed = id.IsAuthenticated;
authType = id.AuthenticationType;
}
wmiData.requestUrl = reqInfo.RequestUrl;
wmiData.requestPath = reqInfo.RequestPath;
wmiData.userHostAddress = reqInfo.UserHostAddress;
wmiData.userName = user;
wmiData.userAuthenticated = authed;
wmiData.userAuthenticationType = authType;
wmiData.requestThreadAccountName = reqInfo.ThreadAccountName;
}
void FillErrorWmiDataFields(ref UnsafeNativeMethods.WmiData wmiData, WebThreadInformation threadInfo) {
wmiData.threadId = threadInfo.ThreadID;
wmiData.threadAccountName = threadInfo.ThreadAccountName;
wmiData.stackTrace = threadInfo.StackTrace;
wmiData.isImpersonating = threadInfo.IsImpersonating;
}
public override void ProcessEvent(WebBaseEvent eventRaised)
{
Debug.Trace("WmiWebEventProvider", "ProcessEvent: event=" + eventRaised.GetType().Name);
UnsafeNativeMethods.WmiData wmiData = new UnsafeNativeMethods.WmiData();
// Note: WMI sint64 requires a string param
FillBasicWmiDataFields(ref wmiData, eventRaised);
if (eventRaised is WebApplicationLifetimeEvent) {
// Nothing special for this class.
}
if (eventRaised is WebManagementEvent) {
WebProcessInformation processEventInfo = ((WebManagementEvent)eventRaised).ProcessInformation;
wmiData.processId = processEventInfo.ProcessID;
wmiData.processName = processEventInfo.ProcessName;
wmiData.accountName = processEventInfo.AccountName;
}
if (eventRaised is WebRequestEvent) {
FillRequestWmiDataFields(ref wmiData, ((WebRequestEvent)eventRaised).RequestInformation);
}
if (eventRaised is WebAuditEvent) {
FillRequestWmiDataFields(ref wmiData, ((WebAuditEvent)eventRaised).RequestInformation);
}
if (eventRaised is WebAuthenticationSuccessAuditEvent) {
wmiData.nameToAuthenticate = ((WebAuthenticationSuccessAuditEvent)eventRaised).NameToAuthenticate;
}
if (eventRaised is WebAuthenticationFailureAuditEvent) {
wmiData.nameToAuthenticate = ((WebAuthenticationFailureAuditEvent)eventRaised).NameToAuthenticate;
}
if (eventRaised is WebViewStateFailureAuditEvent) {
ViewStateException vse = ((WebViewStateFailureAuditEvent)eventRaised).ViewStateException;
wmiData.exceptionMessage = SR.GetString(vse.ShortMessage);
wmiData.remoteAddress = vse.RemoteAddress;
wmiData.remotePort = vse.RemotePort;
wmiData.userAgent = vse.UserAgent;
wmiData.persistedState = vse.PersistedState;
wmiData.referer = vse.Referer;
wmiData.path = vse.Path;
}
if (eventRaised is WebHeartbeatEvent) {
#if DBG
try {
#endif
WebHeartbeatEvent hbEvent = eventRaised as WebHeartbeatEvent;
WebProcessStatistics procStats = hbEvent.ProcessStatistics;
wmiData.processStartTime = WmiFormatTime(procStats.ProcessStartTime);
wmiData.threadCount = procStats.ThreadCount;
wmiData.workingSet = procStats.WorkingSet.ToString(CultureInfo.InstalledUICulture);
wmiData.peakWorkingSet = procStats.PeakWorkingSet.ToString(CultureInfo.InstalledUICulture);
wmiData.managedHeapSize = procStats.ManagedHeapSize.ToString(CultureInfo.InstalledUICulture);
wmiData.appdomainCount = procStats.AppDomainCount;
wmiData.requestsExecuting = procStats.RequestsExecuting;
wmiData.requestsQueued = procStats.RequestsQueued;
wmiData.requestsRejected = procStats.RequestsRejected;
#if DBG
}
catch (Exception e) {
Debug.Trace("WmiWebEventProvider", e.ToString());
throw;
}
#endif
}
if (eventRaised is WebBaseErrorEvent) {
Exception exception = ((WebBaseErrorEvent)eventRaised).ErrorException;
if (exception == null) {
wmiData.exceptionType = String.Empty;
wmiData.exceptionMessage = String.Empty;
}
else {
wmiData.exceptionType = exception.GetType().Name;
wmiData.exceptionMessage = exception.Message;
}
}
if (eventRaised is WebRequestErrorEvent) {
WebRequestErrorEvent reEvent = eventRaised as WebRequestErrorEvent;
WebRequestInformation reqInfo = reEvent.RequestInformation;
WebThreadInformation threadInfo = reEvent.ThreadInformation;
FillRequestWmiDataFields(ref wmiData, reqInfo);
FillErrorWmiDataFields(ref wmiData, threadInfo);
}
if (eventRaised is WebErrorEvent) {
WebErrorEvent eEvent = eventRaised as WebErrorEvent;
WebRequestInformation reqInfo = eEvent.RequestInformation;
WebThreadInformation threadInfo = eEvent.ThreadInformation;
FillRequestWmiDataFields(ref wmiData, reqInfo);
FillErrorWmiDataFields(ref wmiData, threadInfo);
}
int hr = UnsafeNativeMethods.RaiseWmiEvent(ref wmiData, AspCompatApplicationStep.IsInAspCompatMode);
if (hr != 0) {
throw new HttpException(SR.GetString(SR.Wmi_provider_error, "0x" + hr.ToString("X8", CultureInfo.InstalledUICulture)));
}
}
public override void Flush() {
}
public override void Shutdown() {
}
}
}
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