284 lines
11 KiB
C#
284 lines
11 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="EtwTrace.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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/*
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* EtwTrace class
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*/
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namespace System.Web {
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using System.Web.Hosting;
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using System.Web.Util;
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internal enum EtwTraceConfigType {
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DOWNLEVEL = 0,
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IIS7_ISAPI = 1,
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IIS7_INTEGRATED = 2
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}
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internal enum EtwTraceType {
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ETW_TYPE_START = 1,
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ETW_TYPE_END = 2,
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ETW_TYPE_REQ_QUEUED = 3,
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ETW_TYPE_REQ_DEQUEUED = 4,
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ETW_TYPE_GETAPPDOMAIN_ENTER = 5,
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ETW_TYPE_GETAPPDOMAIN_LEAVE = 6,
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ETW_TYPE_APPDOMAIN_ENTER = 7,
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ETW_TYPE_START_HANDLER = 8,
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ETW_TYPE_END_HANDLER = 9,
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ETW_TYPE_PIPELINE_ENTER = 10,
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ETW_TYPE_PIPELINE_LEAVE = 11,
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ETW_TYPE_MAPHANDLER_ENTER = 12,
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ETW_TYPE_MAPHANDLER_LEAVE = 13,
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ETW_TYPE_PARSE_ENTER = 14,
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ETW_TYPE_PARSE_LEAVE = 15,
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ETW_TYPE_COMPILE_ENTER = 16,
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ETW_TYPE_COMPILE_LEAVE = 17,
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ETW_TYPE_HTTPHANDLER_ENTER = 18,
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ETW_TYPE_HTTPHANDLER_LEAVE = 19,
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ETW_TYPE_SESSIONSTATE_PARTITION_START = 20,
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ETW_TYPE_SESSIONSTATE_PARTITION_END = 21,
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ETW_TYPE_PAGE_PRE_INIT_ENTER = 22,
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ETW_TYPE_PAGE_PRE_INIT_LEAVE = 23,
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ETW_TYPE_PAGE_INIT_ENTER = 24,
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ETW_TYPE_PAGE_INIT_LEAVE = 25,
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ETW_TYPE_PAGE_LOAD_VIEWSTATE_ENTER = 26,
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ETW_TYPE_PAGE_LOAD_VIEWSTATE_LEAVE = 27,
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ETW_TYPE_PAGE_LOAD_POSTDATA_ENTER = 28,
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ETW_TYPE_PAGE_LOAD_POSTDATA_LEAVE = 29,
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ETW_TYPE_PAGE_LOAD_ENTER = 30,
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ETW_TYPE_PAGE_LOAD_LEAVE = 31,
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ETW_TYPE_PAGE_POST_DATA_CHANGED_ENTER = 32,
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ETW_TYPE_PAGE_POST_DATA_CHANGED_LEAVE = 33,
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ETW_TYPE_PAGE_RAISE_POSTBACK_ENTER = 34,
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ETW_TYPE_PAGE_RAISE_POSTBACK_LEAVE = 35,
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ETW_TYPE_PAGE_PRE_RENDER_ENTER = 36,
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ETW_TYPE_PAGE_PRE_RENDER_LEAVE = 37,
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ETW_TYPE_PAGE_SAVE_VIEWSTATE_ENTER = 38,
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ETW_TYPE_PAGE_SAVE_VIEWSTATE_LEAVE = 39,
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ETW_TYPE_PAGE_RENDER_ENTER = 40,
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ETW_TYPE_PAGE_RENDER_LEAVE = 41,
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ETW_TYPE_SESSION_DATA_BEGIN = 42,
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ETW_TYPE_SESSION_DATA_END = 43,
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ETW_TYPE_PROFILE_BEGIN = 44,
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ETW_TYPE_PROFILE_END = 45,
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ETW_TYPE_ROLE_IS_USER_IN_ROLE = 46,
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ETW_TYPE_ROLE_GET_USER_ROLES = 47,
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ETW_TYPE_ROLE_BEGIN = 48,
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ETW_TYPE_ROLE_END = 49,
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ETW_TYPE_WEB_EVENT_RAISE_START = 50,
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ETW_TYPE_WEB_EVENT_RAISE_END = 51,
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ETW_TYPE_WEB_EVENT_DELIVER_START = 52,
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ETW_TYPE_WEB_EVENT_DELIVER_END = 53
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}
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struct EtwTraceLevel {
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internal const int None = 0;
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internal const int Fatal = 1;
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internal const int Error = 2;
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internal const int Warning = 3;
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internal const int Information = 4;
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internal const int Verbose = 5;
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}
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struct EtwTraceFlags {
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internal const int None = 0;
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internal const int Infrastructure = 1;
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internal const int Module = 2;
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internal const int Page = 4;
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internal const int AppSvc = 8;
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}
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// these need to match the definitions in
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// mgdeng:mgdhandler.hxx
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// the internal WorkerRequest trace helpers
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// takes this enum as the type
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internal enum IntegratedTraceType {
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TraceWrite = 0,
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TraceWarn = 1,
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DiagCritical = 2,
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DiagError = 3,
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DiagWarning = 4,
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DiagInfo = 5,
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DiagVerbose = 6,
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DiagStart = 7,
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DiagStop = 8,
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DiagSuspend = 9,
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DiagResume = 10,
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DiagTransfer = 11,
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}
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internal enum EtwWorkerRequestType {
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Undefined = -1,
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InProc = 0,
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OutOfProc = 1,
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IIS7Integrated = 3,
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Unknown = 999
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}
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internal static class EtwTrace {
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private static int _traceLevel = 0;
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private static int _traceFlags = 0;
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private static EtwWorkerRequestType s_WrType = EtwWorkerRequestType.Undefined;
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internal static int InferVerbosity(IntegratedTraceType traceType) {
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int verbosity = EtwTraceLevel.Verbose;
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switch (traceType) {
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case IntegratedTraceType.TraceWrite:
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verbosity = EtwTraceLevel.Verbose;
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break;
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case IntegratedTraceType.TraceWarn:
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verbosity = EtwTraceLevel.Warning;
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break;
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case IntegratedTraceType.DiagCritical:
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verbosity = EtwTraceLevel.Fatal;
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break;
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case IntegratedTraceType.DiagWarning:
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verbosity = EtwTraceLevel.Warning;
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break;
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case IntegratedTraceType.DiagError:
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verbosity = EtwTraceLevel.Error;
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break;
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case IntegratedTraceType.DiagInfo:
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verbosity = EtwTraceLevel.Information;
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break;
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case IntegratedTraceType.DiagVerbose:
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verbosity = EtwTraceLevel.Verbose;
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break;
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case IntegratedTraceType.DiagStart:
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verbosity = EtwTraceLevel.None;
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break;
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case IntegratedTraceType.DiagStop:
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verbosity = EtwTraceLevel.None;
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break;
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case IntegratedTraceType.DiagResume:
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verbosity = EtwTraceLevel.None;
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break;
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case IntegratedTraceType.DiagSuspend:
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verbosity = EtwTraceLevel.None;
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break;
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case IntegratedTraceType.DiagTransfer:
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verbosity = EtwTraceLevel.None;
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break;
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default:
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verbosity = EtwTraceLevel.Verbose;
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break;
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}
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return verbosity;
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}
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internal static bool IsTraceEnabled(int level, int flag) {
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if (level < _traceLevel && ((flag & _traceFlags) != EtwTraceFlags.None))
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return true;
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return false;
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}
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private static void ResolveWorkerRequestType(HttpWorkerRequest workerRequest)
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{
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if (workerRequest is IIS7WorkerRequest) {
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s_WrType = EtwWorkerRequestType.IIS7Integrated;
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}
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else if (workerRequest is ISAPIWorkerRequestInProc) {
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s_WrType = EtwWorkerRequestType.InProc;
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}
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else if (workerRequest is ISAPIWorkerRequestOutOfProc){
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s_WrType = EtwWorkerRequestType.OutOfProc;
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}
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else {
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s_WrType = EtwWorkerRequestType.Unknown;
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}
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}
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internal static void TraceEnableCheck(EtwTraceConfigType configType, IntPtr p)
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{
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// Don't activate if webengine.dll isn't loaded
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if (!HttpRuntime.IsEngineLoaded)
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return;
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switch (configType) {
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case EtwTraceConfigType.IIS7_INTEGRATED:
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bool f;
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UnsafeIISMethods.MgdEtwGetTraceConfig(p /*pRequestContext*/, out f, out _traceFlags, out _traceLevel);
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break;
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case EtwTraceConfigType.IIS7_ISAPI:
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int[] contentInfo = new int[3];
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UnsafeNativeMethods.EcbGetTraceFlags(p /*pECB*/, contentInfo);
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_traceFlags = contentInfo[0];
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_traceLevel = contentInfo[1];
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break;
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case EtwTraceConfigType.DOWNLEVEL:
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UnsafeNativeMethods.GetEtwValues(out _traceLevel, out _traceFlags);
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break;
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default:
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break;
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}
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}
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internal static void Trace(EtwTraceType traceType, HttpWorkerRequest workerRequest)
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{
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Trace(traceType, workerRequest, null, null);
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}
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internal static void Trace(EtwTraceType traceType, HttpWorkerRequest workerRequest, string data1)
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{
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Trace(traceType, workerRequest, data1, null, null, null);
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}
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internal static void Trace(EtwTraceType traceType, HttpWorkerRequest workerRequest, string data1, string data2)
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{
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Trace(traceType, workerRequest, data1, data2, null, null);
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}
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internal static void Trace(EtwTraceType traceType, HttpWorkerRequest workerRequest, string data1, string data2, string data3, string data4)
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{
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if (s_WrType == EtwWorkerRequestType.Undefined) {
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ResolveWorkerRequestType(workerRequest);
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}
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if (s_WrType == EtwWorkerRequestType.Unknown)
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return;
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if (workerRequest == null)
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return;
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if (s_WrType == EtwWorkerRequestType.IIS7Integrated) {
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UnsafeNativeMethods.TraceRaiseEventMgdHandler((int) traceType, ((IIS7WorkerRequest)workerRequest).RequestContext, data1, data2, data3, data4);
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}
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else if (s_WrType == EtwWorkerRequestType.InProc) {
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UnsafeNativeMethods.TraceRaiseEventWithEcb((int) traceType, ((ISAPIWorkerRequest)workerRequest).Ecb, data1, data2, data3, data4);
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}
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else if (s_WrType == EtwWorkerRequestType.OutOfProc) {
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UnsafeNativeMethods.PMTraceRaiseEvent((int) traceType, ((ISAPIWorkerRequest)workerRequest).Ecb, data1, data2, data3, data4);
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}
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}
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internal static void Trace(EtwTraceType traceType, IntPtr ecb, string data1, string data2, bool inProc)
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{
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if (inProc)
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UnsafeNativeMethods.TraceRaiseEventWithEcb((int) traceType, ecb, data1, data2, null, null);
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else
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UnsafeNativeMethods.PMTraceRaiseEvent((int) traceType, ecb, data1, data2, null, null);
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}
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};
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}
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