Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / Management / EventlogProvider.cs / 1305376 / EventlogProvider.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Management {
using System.Configuration;
using System.Configuration.Provider;
using System.Collections.Specialized;
using System.Security.Principal;
using System.Web.Util;
using System.Globalization;
using System.Collections;
using System.Web.UI;
using System.Security.Permissions;
using System.Text;
////////////
// Events
////////////
public sealed class EventLogWebEventProvider : WebEventProvider, IInternalWebEventProvider {
const int EventLogParameterMaxLength = 32 * 1024 - 2;
const string _truncateWarning = "...";
int _maxTruncatedParamLen;
internal EventLogWebEventProvider() { }
public override void Initialize(string name, NameValueCollection config)
{
Debug.Trace("WebEventLogEventProvider", "Initializing: name=" + name);
_maxTruncatedParamLen = EventLogParameterMaxLength - _truncateWarning.Length;
base.Initialize(name, config);
ProviderUtil.CheckUnrecognizedAttributes(config, name);
}
void AddBasicDataFields(ArrayList dataFields, WebBaseEvent eventRaised) {
WebApplicationInformation appInfo = WebBaseEvent.ApplicationInformation;
// Data contained in WebBaseEvent
dataFields.Add(eventRaised.EventCode.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(eventRaised.Message);
dataFields.Add(eventRaised.EventTime.ToString());
dataFields.Add(eventRaised.EventTimeUtc.ToString());
dataFields.Add(eventRaised.EventID.ToString("N", CultureInfo.InstalledUICulture));
dataFields.Add(eventRaised.EventSequence.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(eventRaised.EventOccurrence.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(eventRaised.EventDetailCode.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(appInfo.ApplicationDomain);
dataFields.Add(appInfo.TrustLevel);
dataFields.Add(appInfo.ApplicationVirtualPath);
dataFields.Add(appInfo.ApplicationPath);
dataFields.Add(appInfo.MachineName);
if (eventRaised.IsSystemEvent) {
dataFields.Add(null); // custom event details
}
else {
WebEventFormatter formatter = new WebEventFormatter();
eventRaised.FormatCustomEventDetails(formatter);
dataFields.Add(formatter.ToString());
}
}
void AddWebProcessInformationDataFields(ArrayList dataFields, WebProcessInformation processEventInfo) {
dataFields.Add(processEventInfo.ProcessID.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(processEventInfo.ProcessName);
dataFields.Add(processEventInfo.AccountName);
}
void AddWebRequestInformationDataFields(ArrayList dataFields, WebRequestInformation reqInfo) {
string user;
string authType;
bool authed;
IPrincipal iprincipal = reqInfo.Principal;
if (iprincipal == null) {
user = null;
authed = false;
authType = null;
}
else {
IIdentity id = iprincipal.Identity;
user = id.Name;
authed = id.IsAuthenticated;
authType = id.AuthenticationType;
}
dataFields.Add(HttpUtility.UrlDecode(reqInfo.RequestUrl));
dataFields.Add(reqInfo.RequestPath);
dataFields.Add(reqInfo.UserHostAddress);
dataFields.Add(user);
dataFields.Add(authed.ToString());
dataFields.Add(authType);
dataFields.Add(reqInfo.ThreadAccountName);
}
void AddWebProcessStatisticsDataFields(ArrayList dataFields, WebProcessStatistics procStats) {
dataFields.Add(procStats.ProcessStartTime.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.ThreadCount.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.WorkingSet.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.PeakWorkingSet.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.ManagedHeapSize.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.AppDomainCount.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.RequestsExecuting.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.RequestsQueued.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.RequestsRejected.ToString(CultureInfo.InstalledUICulture));
}
private const int MAX_CHARS_IN_EXCEPTION_MSG = 8000;
void AddExceptionDataFields(ArrayList dataFields, Exception exception) {
if (exception == null) {
dataFields.Add(null);
dataFields.Add(null);
}
else {
dataFields.Add(exception.GetType().Name);
// Get the message and stack with all InnerExceptions
StringBuilder sb = new StringBuilder(1024);
for(int totalLength = 0; totalLength 0) {
// Append stack if there is space
string stackTrace = exception.StackTrace;
if (!String.IsNullOrEmpty(stackTrace)) {
if (stackTrace.Length > remainingSpace) {
stackTrace = stackTrace.Substring(0, remainingSpace);
}
sb.Append("\n");
sb.Append(stackTrace);
totalLength += stackTrace.Length + 1;
}
sb.Append("\n\n");
totalLength += 2;
}
// deal with next InnerException in next iteration
exception = exception.InnerException;
}
dataFields.Add(sb.ToString());
}
}
void AddWebThreadInformationDataFields(ArrayList dataFields, WebThreadInformation threadInfo) {
dataFields.Add(threadInfo.ThreadID.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(threadInfo.ThreadAccountName);
dataFields.Add(threadInfo.IsImpersonating.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(threadInfo.StackTrace);
}
void AddViewStateExceptionDataFields(ArrayList dataFields, ViewStateException vse) {
dataFields.Add(SR.GetString(vse.ShortMessage));
dataFields.Add(vse.RemoteAddress);
dataFields.Add(vse.RemotePort);
dataFields.Add(vse.UserAgent);
dataFields.Add(vse.PersistedState);
dataFields.Add(vse.Referer);
dataFields.Add(vse.Path);
}
public override void ProcessEvent(WebBaseEvent eventRaised)
{
Debug.Trace("EventLogWebEventProvider", "ProcessEvent: event=" + eventRaised.GetType().Name);
int hr;
ArrayList dataFields = new ArrayList(35);
WebEventType eventType = WebBaseEvent.WebEventTypeFromWebEvent(eventRaised);
// !!! IMPORTANT note:
// The order of fields added to dataFields MUST match that of the fields defined in the events
// in msg.mc
AddBasicDataFields(dataFields, eventRaised);
if (eventRaised is WebManagementEvent) {
AddWebProcessInformationDataFields(dataFields, ((WebManagementEvent)eventRaised).ProcessInformation);
}
if (eventRaised is WebHeartbeatEvent) {
AddWebProcessStatisticsDataFields(dataFields, ((WebHeartbeatEvent)eventRaised).ProcessStatistics);
}
if (eventRaised is WebRequestEvent) {
AddWebRequestInformationDataFields(dataFields, ((WebRequestEvent)eventRaised).RequestInformation);
}
if (eventRaised is WebBaseErrorEvent) {
AddExceptionDataFields(dataFields, ((WebBaseErrorEvent)eventRaised).ErrorException);
}
if (eventRaised is WebAuditEvent) {
AddWebRequestInformationDataFields(dataFields, ((WebAuditEvent)eventRaised).RequestInformation);
}
if (eventRaised is WebRequestErrorEvent) {
AddWebRequestInformationDataFields(dataFields, ((WebRequestErrorEvent)eventRaised).RequestInformation);
AddWebThreadInformationDataFields(dataFields, ((WebRequestErrorEvent)eventRaised).ThreadInformation);
}
if (eventRaised is WebErrorEvent) {
AddWebRequestInformationDataFields(dataFields, ((WebErrorEvent)eventRaised).RequestInformation);
AddWebThreadInformationDataFields(dataFields, ((WebErrorEvent)eventRaised).ThreadInformation);
}
if (eventRaised is WebAuthenticationSuccessAuditEvent) {
dataFields.Add(((WebAuthenticationSuccessAuditEvent)eventRaised).NameToAuthenticate);
}
if (eventRaised is WebAuthenticationFailureAuditEvent) {
dataFields.Add(((WebAuthenticationFailureAuditEvent)eventRaised).NameToAuthenticate);
}
if (eventRaised is WebViewStateFailureAuditEvent) {
AddViewStateExceptionDataFields(dataFields, ((WebViewStateFailureAuditEvent)eventRaised).ViewStateException );
}
for (int i = 0; i < dataFields.Count; i++) {
object field = dataFields[i];
if (field == null) {
continue;
}
int len = ((string)field).Length;
if (len > EventLogParameterMaxLength) {
// Truncate it and append a warning message to the end
dataFields[i] = ((string)field).Substring(0, _maxTruncatedParamLen) + _truncateWarning;
}
}
#if !FEATURE_PAL // FEATURE_PAL does not enable IIS-based hosting features
hr = UnsafeNativeMethods.RaiseEventlogEvent((int)eventType, (string[])dataFields.ToArray(typeof(string)), dataFields.Count);
if (hr != 0) {
throw new HttpException(SR.GetString(SR.Event_log_provider_error, "0x" + hr.ToString("X8", CultureInfo.InstalledUICulture)));
}
#endif // !FEATURE_PAL
}
public override void Flush() {
}
public override void Shutdown() {
}
// Dev10 720406: ReportEvent treats %N as an insertion string, so we can't include this in the message.
// Instead, we will replace such occurrences with [%]N.
private static string ReplaceInsertionStringPlaceholders(string s) {
if (String.IsNullOrEmpty(s)) {
return s;
}
int len = s.Length;
int maxIndex = len - 1;
int matches = 0;
for (int i = 0; i < maxIndex; i++) {
if (s[i] == '%' && Char.IsDigit(s[i+1])) {
matches++;
}
}
if (matches == 0) {
return s;
}
char[] newChars = new char[len + (2 * matches)];
int idx = 0;
for (int i = 0; i < maxIndex; i++) {
if (s[i] == '%' && Char.IsDigit(s[i+1])) {
newChars[idx++] = '[';
newChars[idx++] = '%';
newChars[idx++] = ']';
}
else {
newChars[idx++] = s[i];
}
}
newChars[newChars.Length-1] = s[maxIndex];
return new String(newChars);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Management {
using System.Configuration;
using System.Configuration.Provider;
using System.Collections.Specialized;
using System.Security.Principal;
using System.Web.Util;
using System.Globalization;
using System.Collections;
using System.Web.UI;
using System.Security.Permissions;
using System.Text;
////////////
// Events
////////////
public sealed class EventLogWebEventProvider : WebEventProvider, IInternalWebEventProvider {
const int EventLogParameterMaxLength = 32 * 1024 - 2;
const string _truncateWarning = "...";
int _maxTruncatedParamLen;
internal EventLogWebEventProvider() { }
public override void Initialize(string name, NameValueCollection config)
{
Debug.Trace("WebEventLogEventProvider", "Initializing: name=" + name);
_maxTruncatedParamLen = EventLogParameterMaxLength - _truncateWarning.Length;
base.Initialize(name, config);
ProviderUtil.CheckUnrecognizedAttributes(config, name);
}
void AddBasicDataFields(ArrayList dataFields, WebBaseEvent eventRaised) {
WebApplicationInformation appInfo = WebBaseEvent.ApplicationInformation;
// Data contained in WebBaseEvent
dataFields.Add(eventRaised.EventCode.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(eventRaised.Message);
dataFields.Add(eventRaised.EventTime.ToString());
dataFields.Add(eventRaised.EventTimeUtc.ToString());
dataFields.Add(eventRaised.EventID.ToString("N", CultureInfo.InstalledUICulture));
dataFields.Add(eventRaised.EventSequence.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(eventRaised.EventOccurrence.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(eventRaised.EventDetailCode.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(appInfo.ApplicationDomain);
dataFields.Add(appInfo.TrustLevel);
dataFields.Add(appInfo.ApplicationVirtualPath);
dataFields.Add(appInfo.ApplicationPath);
dataFields.Add(appInfo.MachineName);
if (eventRaised.IsSystemEvent) {
dataFields.Add(null); // custom event details
}
else {
WebEventFormatter formatter = new WebEventFormatter();
eventRaised.FormatCustomEventDetails(formatter);
dataFields.Add(formatter.ToString());
}
}
void AddWebProcessInformationDataFields(ArrayList dataFields, WebProcessInformation processEventInfo) {
dataFields.Add(processEventInfo.ProcessID.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(processEventInfo.ProcessName);
dataFields.Add(processEventInfo.AccountName);
}
void AddWebRequestInformationDataFields(ArrayList dataFields, WebRequestInformation reqInfo) {
string user;
string authType;
bool authed;
IPrincipal iprincipal = reqInfo.Principal;
if (iprincipal == null) {
user = null;
authed = false;
authType = null;
}
else {
IIdentity id = iprincipal.Identity;
user = id.Name;
authed = id.IsAuthenticated;
authType = id.AuthenticationType;
}
dataFields.Add(HttpUtility.UrlDecode(reqInfo.RequestUrl));
dataFields.Add(reqInfo.RequestPath);
dataFields.Add(reqInfo.UserHostAddress);
dataFields.Add(user);
dataFields.Add(authed.ToString());
dataFields.Add(authType);
dataFields.Add(reqInfo.ThreadAccountName);
}
void AddWebProcessStatisticsDataFields(ArrayList dataFields, WebProcessStatistics procStats) {
dataFields.Add(procStats.ProcessStartTime.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.ThreadCount.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.WorkingSet.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.PeakWorkingSet.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.ManagedHeapSize.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.AppDomainCount.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.RequestsExecuting.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.RequestsQueued.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(procStats.RequestsRejected.ToString(CultureInfo.InstalledUICulture));
}
private const int MAX_CHARS_IN_EXCEPTION_MSG = 8000;
void AddExceptionDataFields(ArrayList dataFields, Exception exception) {
if (exception == null) {
dataFields.Add(null);
dataFields.Add(null);
}
else {
dataFields.Add(exception.GetType().Name);
// Get the message and stack with all InnerExceptions
StringBuilder sb = new StringBuilder(1024);
for(int totalLength = 0; totalLength 0) {
// Append stack if there is space
string stackTrace = exception.StackTrace;
if (!String.IsNullOrEmpty(stackTrace)) {
if (stackTrace.Length > remainingSpace) {
stackTrace = stackTrace.Substring(0, remainingSpace);
}
sb.Append("\n");
sb.Append(stackTrace);
totalLength += stackTrace.Length + 1;
}
sb.Append("\n\n");
totalLength += 2;
}
// deal with next InnerException in next iteration
exception = exception.InnerException;
}
dataFields.Add(sb.ToString());
}
}
void AddWebThreadInformationDataFields(ArrayList dataFields, WebThreadInformation threadInfo) {
dataFields.Add(threadInfo.ThreadID.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(threadInfo.ThreadAccountName);
dataFields.Add(threadInfo.IsImpersonating.ToString(CultureInfo.InstalledUICulture));
dataFields.Add(threadInfo.StackTrace);
}
void AddViewStateExceptionDataFields(ArrayList dataFields, ViewStateException vse) {
dataFields.Add(SR.GetString(vse.ShortMessage));
dataFields.Add(vse.RemoteAddress);
dataFields.Add(vse.RemotePort);
dataFields.Add(vse.UserAgent);
dataFields.Add(vse.PersistedState);
dataFields.Add(vse.Referer);
dataFields.Add(vse.Path);
}
public override void ProcessEvent(WebBaseEvent eventRaised)
{
Debug.Trace("EventLogWebEventProvider", "ProcessEvent: event=" + eventRaised.GetType().Name);
int hr;
ArrayList dataFields = new ArrayList(35);
WebEventType eventType = WebBaseEvent.WebEventTypeFromWebEvent(eventRaised);
// !!! IMPORTANT note:
// The order of fields added to dataFields MUST match that of the fields defined in the events
// in msg.mc
AddBasicDataFields(dataFields, eventRaised);
if (eventRaised is WebManagementEvent) {
AddWebProcessInformationDataFields(dataFields, ((WebManagementEvent)eventRaised).ProcessInformation);
}
if (eventRaised is WebHeartbeatEvent) {
AddWebProcessStatisticsDataFields(dataFields, ((WebHeartbeatEvent)eventRaised).ProcessStatistics);
}
if (eventRaised is WebRequestEvent) {
AddWebRequestInformationDataFields(dataFields, ((WebRequestEvent)eventRaised).RequestInformation);
}
if (eventRaised is WebBaseErrorEvent) {
AddExceptionDataFields(dataFields, ((WebBaseErrorEvent)eventRaised).ErrorException);
}
if (eventRaised is WebAuditEvent) {
AddWebRequestInformationDataFields(dataFields, ((WebAuditEvent)eventRaised).RequestInformation);
}
if (eventRaised is WebRequestErrorEvent) {
AddWebRequestInformationDataFields(dataFields, ((WebRequestErrorEvent)eventRaised).RequestInformation);
AddWebThreadInformationDataFields(dataFields, ((WebRequestErrorEvent)eventRaised).ThreadInformation);
}
if (eventRaised is WebErrorEvent) {
AddWebRequestInformationDataFields(dataFields, ((WebErrorEvent)eventRaised).RequestInformation);
AddWebThreadInformationDataFields(dataFields, ((WebErrorEvent)eventRaised).ThreadInformation);
}
if (eventRaised is WebAuthenticationSuccessAuditEvent) {
dataFields.Add(((WebAuthenticationSuccessAuditEvent)eventRaised).NameToAuthenticate);
}
if (eventRaised is WebAuthenticationFailureAuditEvent) {
dataFields.Add(((WebAuthenticationFailureAuditEvent)eventRaised).NameToAuthenticate);
}
if (eventRaised is WebViewStateFailureAuditEvent) {
AddViewStateExceptionDataFields(dataFields, ((WebViewStateFailureAuditEvent)eventRaised).ViewStateException );
}
for (int i = 0; i < dataFields.Count; i++) {
object field = dataFields[i];
if (field == null) {
continue;
}
int len = ((string)field).Length;
if (len > EventLogParameterMaxLength) {
// Truncate it and append a warning message to the end
dataFields[i] = ((string)field).Substring(0, _maxTruncatedParamLen) + _truncateWarning;
}
}
#if !FEATURE_PAL // FEATURE_PAL does not enable IIS-based hosting features
hr = UnsafeNativeMethods.RaiseEventlogEvent((int)eventType, (string[])dataFields.ToArray(typeof(string)), dataFields.Count);
if (hr != 0) {
throw new HttpException(SR.GetString(SR.Event_log_provider_error, "0x" + hr.ToString("X8", CultureInfo.InstalledUICulture)));
}
#endif // !FEATURE_PAL
}
public override void Flush() {
}
public override void Shutdown() {
}
// Dev10 720406: ReportEvent treats %N as an insertion string, so we can't include this in the message.
// Instead, we will replace such occurrences with [%]N.
private static string ReplaceInsertionStringPlaceholders(string s) {
if (String.IsNullOrEmpty(s)) {
return s;
}
int len = s.Length;
int maxIndex = len - 1;
int matches = 0;
for (int i = 0; i < maxIndex; i++) {
if (s[i] == '%' && Char.IsDigit(s[i+1])) {
matches++;
}
}
if (matches == 0) {
return s;
}
char[] newChars = new char[len + (2 * matches)];
int idx = 0;
for (int i = 0; i < maxIndex; i++) {
if (s[i] == '%' && Char.IsDigit(s[i+1])) {
newChars[idx++] = '[';
newChars[idx++] = '%';
newChars[idx++] = ']';
}
else {
newChars[idx++] = s[i];
}
}
newChars[newChars.Length-1] = s[maxIndex];
return new String(newChars);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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