.net - 以编程方式记录到 Sharepoint ULS

Question

我想在我的 Sharepoint Web 部件中记录内容，但我希望它进入 ULS。我发现的大多数示例都记录到事件日志或其他文件中，但我还没有真正找到用于登录 ULS 的示例。

令人讨厌的是，Microsoft.SharePoint.Diagnostics 类都标记为内部。我确实找到了一个如何通过反射来使用它们的示例，但这看起来非常冒险且不稳定，因为微软可能会使用他们想要的任何修补程序来更改该类。

Sharepoint 文档也没有真正的帮助 - 关于 ULS 是什么以及如何配置它的大量管理员信息，但我还没有找到支持代码的示例来实际记录我自己的事件。

任何提示或提示？

编辑：正如您从这个问题的年龄所看到的那样，这是针对 SharePoint 2007 的。在 SharePoint 2010 中，您可以使用 SPDiagnosticsService.Local ，然后使用WriteTrace。请参阅下面 Jürgen 的答案。

score 8 · Accepted Answer

是的，这是可能的，请参阅此 MSDN 文章： http: //msdn2.microsoft.com/hi-in/library/aa979595 (en-us).aspx

这是 C# 中的一些示例代码：

using System;
using System.Runtime.InteropServices;
using Microsoft.SharePoint.Administration;

namespace ManagedTraceProvider
{
class Program
{
    static void Main(string[] args)
    {
        TraceProvider.RegisterTraceProvider();

        TraceProvider.WriteTrace(0, TraceProvider.TraceSeverity.High, Guid.Empty, "MyExeName", "Product Name", "Category Name", "Sample Message");
        TraceProvider.WriteTrace(TraceProvider.TagFromString("abcd"), TraceProvider.TraceSeverity.Monitorable, Guid.NewGuid(), "MyExeName", "Product Name", "Category Name", "Sample Message");

        TraceProvider.UnregisterTraceProvider();
    }
}

static class TraceProvider
{
    static UInt64 hTraceLog;
    static UInt64 hTraceReg;

    static class NativeMethods
    {
        internal const int TRACE_VERSION_CURRENT = 1;
        internal const int ERROR_SUCCESS = 0;
        internal const int ERROR_INVALID_PARAMETER = 87;
        internal const int WNODE_FLAG_TRACED_GUID = 0x00020000;

        internal enum TraceFlags
        {
            TRACE_FLAG_START = 1,
            TRACE_FLAG_END = 2,
            TRACE_FLAG_MIDDLE = 3,
            TRACE_FLAG_ID_AS_ASCII = 4
        }

        // Copied from Win32 APIs
        [StructLayout(LayoutKind.Sequential)]
        internal struct EVENT_TRACE_HEADER_CLASS
        {
            internal byte Type;
            internal byte Level;
            internal ushort Version;
        }

        // Copied from Win32 APIs
        [StructLayout(LayoutKind.Sequential)]
        internal struct EVENT_TRACE_HEADER
        {
            internal ushort Size;
            internal ushort FieldTypeFlags;
            internal EVENT_TRACE_HEADER_CLASS Class;
            internal uint ThreadId;
            internal uint ProcessId;
            internal Int64 TimeStamp;
            internal Guid Guid;
            internal uint ClientContext;
            internal uint Flags;
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
        internal struct ULSTraceHeader
        {
            internal ushort Size;
            internal uint dwVersion;
            internal uint Id;
            internal Guid correlationID;
            internal TraceFlags dwFlags;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            internal string wzExeName;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            internal string wzProduct;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            internal string wzCategory;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 800)]
            internal string wzMessage;
        }

        [StructLayout(LayoutKind.Sequential)]
        internal struct ULSTrace
        {
            internal EVENT_TRACE_HEADER Header;
            internal ULSTraceHeader ULSHeader;
        }

        // Copied from Win32 APIs
        internal enum WMIDPREQUESTCODE
        {
            WMI_GET_ALL_DATA = 0,
            WMI_GET_SINGLE_INSTANCE = 1,
            WMI_SET_SINGLE_INSTANCE = 2,
            WMI_SET_SINGLE_ITEM = 3,
            WMI_ENABLE_EVENTS = 4,
            WMI_DISABLE_EVENTS = 5,
            WMI_ENABLE_COLLECTION = 6,
            WMI_DISABLE_COLLECTION = 7,
            WMI_REGINFO = 8,
            WMI_EXECUTE_METHOD = 9
        }

        // Copied from Win32 APIs
        internal unsafe delegate uint EtwProc(NativeMethods.WMIDPREQUESTCODE requestCode, IntPtr requestContext, uint* bufferSize, IntPtr buffer);

        // Copied from Win32 APIs
        [DllImport("advapi32.dll", CharSet = CharSet.Unicode)]
        internal static extern unsafe uint RegisterTraceGuids([In] EtwProc cbFunc, [In] void* context, [In] ref Guid controlGuid, [In] uint guidCount, IntPtr guidReg, [In] string mofImagePath, [In] string mofResourceName, out ulong regHandle);

        // Copied from Win32 APIs
        [DllImport("advapi32.dll", CharSet = CharSet.Unicode)]
        internal static extern uint UnregisterTraceGuids([In]ulong regHandle);

        // Copied from Win32 APIs
        [DllImport("advapi32.dll", CharSet = CharSet.Unicode)]
        internal static extern UInt64 GetTraceLoggerHandle([In]IntPtr Buffer);

        // Copied from Win32 APIs
        [DllImport("advapi32.dll", SetLastError = true)]
        internal static extern uint TraceEvent([In]UInt64 traceHandle, [In]ref ULSTrace evnt);
    }

    public enum TraceSeverity
    {
        Unassigned = 0,
        CriticalEvent = 1,
        WarningEvent = 2,
        InformationEvent = 3,
        Exception = 4,
        Assert = 7,
        Unexpected = 10,
        Monitorable = 15,
        High = 20,
        Medium = 50,
        Verbose = 100,
    }

    public static void WriteTrace(uint tag, TraceSeverity level, Guid correlationGuid, string exeName, string productName, string categoryName, string message)
    {
        const ushort sizeOfWCHAR = 2;
        NativeMethods.ULSTrace ulsTrace = new NativeMethods.ULSTrace();

        // Pretty standard code needed to make things work
        ulsTrace.Header.Size = (ushort)Marshal.SizeOf(typeof(NativeMethods.ULSTrace));
        ulsTrace.Header.Flags = NativeMethods.WNODE_FLAG_TRACED_GUID;
        ulsTrace.ULSHeader.dwVersion = NativeMethods.TRACE_VERSION_CURRENT;
        ulsTrace.ULSHeader.dwFlags = NativeMethods.TraceFlags.TRACE_FLAG_ID_AS_ASCII;
        ulsTrace.ULSHeader.Size = (ushort)Marshal.SizeOf(typeof(NativeMethods.ULSTraceHeader));

        // Variables communicated to SPTrace
        ulsTrace.ULSHeader.Id = tag;
        ulsTrace.Header.Class.Level = (byte)level;
        ulsTrace.ULSHeader.wzExeName = exeName;
        ulsTrace.ULSHeader.wzProduct = productName;
        ulsTrace.ULSHeader.wzCategory = categoryName;
        ulsTrace.ULSHeader.wzMessage = message;
        ulsTrace.ULSHeader.correlationID = correlationGuid;

        // Pptionally, to improve performance by reducing the amount of data copied around,
        // the Size parameters can be reduced by the amount of unused buffer in the Message
        if (message.Length < 800)
        {
            ushort unusedBuffer = (ushort) ((800 - (message.Length + 1)) * sizeOfWCHAR);
            ulsTrace.Header.Size -= unusedBuffer;
            ulsTrace.ULSHeader.Size -= unusedBuffer;
        }

        if (hTraceLog != 0)
            NativeMethods.TraceEvent(hTraceLog, ref ulsTrace);
    }

    public static unsafe void RegisterTraceProvider()
    {
        SPFarm farm = SPFarm.Local;
        Guid traceGuid = farm.TraceSessionGuid;
        uint result = NativeMethods.RegisterTraceGuids(ControlCallback, null, ref traceGuid, 0, IntPtr.Zero, null, null, out hTraceReg);
        System.Diagnostics.Debug.Assert(result == NativeMethods.ERROR_SUCCESS);
    }

    public static void UnregisterTraceProvider()
    {
        uint result = NativeMethods.UnregisterTraceGuids(hTraceReg);
        System.Diagnostics.Debug.Assert(result == NativeMethods.ERROR_SUCCESS);
    }

    public static uint TagFromString(string wzTag)
    {
        System.Diagnostics.Debug.Assert(wzTag.Length == 4);
        return (uint) (wzTag[0] << 24 | wzTag[1] << 16 | wzTag[2] << 8 | wzTag[3]);
    }

    static unsafe uint ControlCallback(NativeMethods.WMIDPREQUESTCODE RequestCode, IntPtr Context, uint* InOutBufferSize, IntPtr Buffer)
    {
        uint Status;
        switch (RequestCode)
        {
            case NativeMethods.WMIDPREQUESTCODE.WMI_ENABLE_EVENTS:
                hTraceLog = NativeMethods.GetTraceLoggerHandle(Buffer);
                Status = NativeMethods.ERROR_SUCCESS;
                break;
            case NativeMethods.WMIDPREQUESTCODE.WMI_DISABLE_EVENTS:
                hTraceLog = 0;
                Status = NativeMethods.ERROR_SUCCESS;
                break;
            default:
                Status = NativeMethods.ERROR_INVALID_PARAMETER;
                break;
        }

        *InOutBufferSize = 0;
        return Status;
    }
}

}

score 2 · Accepted Answer

功劳归于：http: //msdn.microsoft.com/en-us/library/gg512103
(v=office.14).aspx 我刚刚在我的博客上发表了一篇文章，但在此处粘贴了代码。

在以下行的代码中定义解决方案的名称：

private const string PRODUCT_NAME = "My Custom Solution";

以下是有关如何使用它的示例代码：

UlsLogging.LogInformation("This is information message");
UlsLogging.LogInformation("{0}This is information message","Information:");  

UlsLogging.LogWarning("This is warning message");
UlsLogging.LogWarning("{0}This is warning message", "Warning:");  

UlsLogging.LogError("This is error message");
UlsLogging.LogError("{0}This is error message","Error:");

以下是代码：

using System;
using System.Collections.Generic;
using Microsoft.SharePoint.Administration;
namespace MyLoggingApp
{
    public class UlsLogging : SPDiagnosticsServiceBase
    {
        // Product name
        private const string PRODUCT_NAME = "My Custom Solution";

        #region private variables

        // Current instance
        private static UlsLogging _current;

        // area
        private static SPDiagnosticsArea _area;

        // category
        private static SPDiagnosticsCategory _catError;
        private static SPDiagnosticsCategory _catWarning;
        private static SPDiagnosticsCategory _catLogging;

        #endregion

        private static class CategoryName
        {
            public const string Error = "Error";
            public const string Warning = "Warning";
            public const string Logging = "Logging";
        }

        private static UlsLogging Current
        {
            get
            {
                if (_current == null)
                {
                    _current = new UlsLogging();
                }
                return _current;
            }
        }

        // Get Area
        private static SPDiagnosticsArea Area
        {
            get
            {
                if (_area == null)
                {
                    _area = UlsLogging.Current.Areas[PRODUCT_NAME];
                }
                return _area;
            }
        }

        // Get error category
        private static SPDiagnosticsCategory CategoryError
        {
            get
            {
                if (_catError == null)
                {
                    _catError = Area.Categories[CategoryName.Error];
                }
                return _catError;
            }
        }

        // Get warning category
        private static SPDiagnosticsCategory CategoryWarning
        {
            get
            {
                if (_catWarning == null)
                {
                    _catWarning = Area.Categories[CategoryName.Warning];
                }
                return _catWarning;
            }
        }

        // Get logging category
        private static SPDiagnosticsCategory CategoryLogging
        {
            get
            {
                if (_catLogging == null)
                {
                    _catLogging = Area.Categories[CategoryName.Logging];
                }
                return _catLogging;
            }
        }

        private UlsLogging()
            : base(PRODUCT_NAME, SPFarm.Local)
        {
        }

        protected override IEnumerable<SPDiagnosticsArea> ProvideAreas()
        {
            var cat = new List<SPDiagnosticsCategory>{
                new SPDiagnosticsCategory(CategoryName.Error, TraceSeverity.High,EventSeverity.Error),
                new SPDiagnosticsCategory(CategoryName.Warning, TraceSeverity.Medium,EventSeverity.Warning),
                new SPDiagnosticsCategory(CategoryName.Logging,TraceSeverity.Verbose,EventSeverity.Information)
            };
            var areas = new List<SPDiagnosticsArea>();
            areas.Add(new SPDiagnosticsArea(PRODUCT_NAME, cat));

            return areas;
        }

        // Log Error
        public static void LogError(string msg)
        {
            UlsLogging.Current.WriteTrace(0, CategoryError, TraceSeverity.High, msg);
        }
        public static void LogError(string msg,params object[] args)
        {
            UlsLogging.Current.WriteTrace(0, CategoryError, TraceSeverity.High, msg,args);
        }

        // Log Warning
        public static void LogWarning(string msg)
        {
            UlsLogging.Current.WriteTrace(0, CategoryWarning, TraceSeverity.Medium, msg);
        }
        public static void LogWarning(string msg, params object[] args)
        {
            UlsLogging.Current.WriteTrace(0, CategoryWarning, TraceSeverity.Medium, msg,args);
        }

        // Log Information
        public static void LogInformation(string msg)
        {
            UlsLogging.Current.WriteTrace(0, CategoryLogging, TraceSeverity.Verbose, msg); 
        }
        public static void LogInformation(string msg,params object[] args)
        {
            UlsLogging.Current.WriteTrace(0, CategoryLogging, TraceSeverity.Verbose, msg,args);
        }

    }
}

score 1 · Accepted Answer

在这里您可以找到另一篇关于使用 SharePoint 进行日志记录的精彩文章：http: //www.parago.de/2011/01/how-to-implement-a-custom-sharepoint-2010-logging-service-for-uls-and-windows -事件簿/

score 1 · Accepted Answer

试试下面的代码：（添加此参考：使用 Microsoft.SharePoint.Administration；）

try
        {

            SPSecurity.RunWithElevatedPrivileges(delegate()
            {
                SPDiagnosticsService diagSvc = SPDiagnosticsService.Local;
                diagSvc.WriteTrace(123456, new SPDiagnosticsCategory("Category_Name_Here", TraceSeverity.Monitorable, EventSeverity.Error), TraceSeverity.Monitorable, "{0}:{1}", new object[] { "Method_Name", "Error_Message"});
            });
        }
        catch (Exception ex)
        {
        }

现在打开 uls 查看器并按您的类别名称过滤。

score -1 · Accepted Answer

这对我不起作用，并且一直挂断我的 webpart。我让它工作了一秒钟，然后没有。只有当我删除 Trace register/unregister/etc 语句时，它才会起作用。

所以我推荐这篇对我有用的优秀文章：http: //sharepoint.namics.com/2008/05/logging_in_webparts.html

本质上，您应该使用：

.NET 的通用基础结构库。

我从这里下载了它：http: //netcommon.sourceforge.net/

我使用 gacutil（或控制面板/管理工具/.net 配置工具）将 2.0/release dll 添加到 gac。

我将对我的代码的引用添加到 dll 中（来自下载）。一切编译。

我必须创建一个目录和空日志文件，然后 bam！在第一个 web 部件加载它工作。我尝试了好几个小时来为我的 Web 部件记录日志，这非常有效，而且它是一个很好的标准，比如 log4j。

.net - 以编程方式记录到 Sharepoint ULS

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