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Diffstat (limited to 'src/mscorlib/shared/System/Diagnostics/Tracing/TraceLogging/TraceLoggingEventTypes.cs')
| -rw-r--r-- | src/mscorlib/shared/System/Diagnostics/Tracing/TraceLogging/TraceLoggingEventTypes.cs | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/src/mscorlib/shared/System/Diagnostics/Tracing/TraceLogging/TraceLoggingEventTypes.cs b/src/mscorlib/shared/System/Diagnostics/Tracing/TraceLogging/TraceLoggingEventTypes.cs new file mode 100644 index 0000000000..c2239671bb --- /dev/null +++ b/src/mscorlib/shared/System/Diagnostics/Tracing/TraceLogging/TraceLoggingEventTypes.cs @@ -0,0 +1,262 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +using System; +using System.Collections.Generic; +using Interlocked = System.Threading.Interlocked; + +#if !ES_BUILD_AGAINST_DOTNET_V35 +using Contract = System.Diagnostics.Contracts.Contract; +#else +using Contract = Microsoft.Diagnostics.Contracts.Internal.Contract; +#endif + +#if ES_BUILD_STANDALONE +namespace Microsoft.Diagnostics.Tracing +#else +namespace System.Diagnostics.Tracing +#endif +{ + /// <summary> + /// TraceLogging: Used when calling EventSource.WriteMultiMerge. + /// Stores the type information to use when writing the event fields. + /// </summary> + public class TraceLoggingEventTypes + { + internal readonly TraceLoggingTypeInfo[] typeInfos; + internal readonly string name; + internal readonly EventTags tags; + internal readonly byte level; + internal readonly byte opcode; + internal readonly EventKeywords keywords; + internal readonly byte[] typeMetadata; + internal readonly int scratchSize; + internal readonly int dataCount; + internal readonly int pinCount; + private ConcurrentSet<KeyValuePair<string, EventTags>, NameInfo> nameInfos; + + /// <summary> + /// Initializes a new instance of TraceLoggingEventTypes corresponding + /// to the name, flags, and types provided. Always uses the default + /// TypeInfo for each Type. + /// </summary> + /// <param name="name"> + /// The name to use when the name parameter passed to + /// EventSource.Write is null. This value must not be null. + /// </param> + /// <param name="tags"> + /// Tags to add to the event if the tags are not set via options. + /// </param> + /// <param name="types"> + /// The types of the fields in the event. This value must not be null. + /// </param> + internal TraceLoggingEventTypes( + string name, + EventTags tags, + params Type[] types) + : this(tags, name, MakeArray(types)) + { + return; + } + + /// <summary> + /// Returns a new instance of TraceLoggingEventInfo corresponding to the name, + /// flags, and typeInfos provided. + /// </summary> + /// <param name="name"> + /// The name to use when the name parameter passed to + /// EventSource.Write is null. This value must not be null. + /// </param> + /// <param name="tags"> + /// Tags to add to the event if the tags are not set via options. + /// </param> + /// <param name="typeInfos"> + /// The types of the fields in the event. This value must not be null. + /// </param> + /// <returns> + /// An instance of TraceLoggingEventInfo with DefaultName set to the specified name + /// and with the specified typeInfos. + /// </returns> + internal TraceLoggingEventTypes( + string name, + EventTags tags, + params TraceLoggingTypeInfo[] typeInfos) + : this(tags, name, MakeArray(typeInfos)) + { + return; + } + + internal TraceLoggingEventTypes( + string name, + EventTags tags, + System.Reflection.ParameterInfo[] paramInfos) + { + if (name == null) + { + throw new ArgumentNullException(nameof(name)); + } + + Contract.EndContractBlock(); + + this.typeInfos = MakeArray(paramInfos); + this.name = name; + this.tags = tags; + this.level = Statics.DefaultLevel; + + var collector = new TraceLoggingMetadataCollector(); + for (int i = 0; i < typeInfos.Length; ++i) + { + var typeInfo = typeInfos[i]; + this.level = Statics.Combine((int)typeInfo.Level, this.level); + this.opcode = Statics.Combine((int)typeInfo.Opcode, this.opcode); + this.keywords |= typeInfo.Keywords; + var paramName = paramInfos[i].Name; + if (Statics.ShouldOverrideFieldName(paramName)) + { + paramName = typeInfo.Name; + } + typeInfo.WriteMetadata(collector, paramName, EventFieldFormat.Default); + } + + this.typeMetadata = collector.GetMetadata(); + this.scratchSize = collector.ScratchSize; + this.dataCount = collector.DataCount; + this.pinCount = collector.PinCount; + } + + private TraceLoggingEventTypes( + EventTags tags, + string defaultName, + TraceLoggingTypeInfo[] typeInfos) + { + if (defaultName == null) + { + throw new ArgumentNullException(nameof(defaultName)); + } + + Contract.EndContractBlock(); + + this.typeInfos = typeInfos; + this.name = defaultName; + this.tags = tags; + this.level = Statics.DefaultLevel; + + var collector = new TraceLoggingMetadataCollector(); + foreach (var typeInfo in typeInfos) + { + this.level = Statics.Combine((int)typeInfo.Level, this.level); + this.opcode = Statics.Combine((int)typeInfo.Opcode, this.opcode); + this.keywords |= typeInfo.Keywords; + typeInfo.WriteMetadata(collector, null, EventFieldFormat.Default); + } + + this.typeMetadata = collector.GetMetadata(); + this.scratchSize = collector.ScratchSize; + this.dataCount = collector.DataCount; + this.pinCount = collector.PinCount; + } + + /// <summary> + /// Gets the default name that will be used for events with this descriptor. + /// </summary> + internal string Name + { + get { return this.name; } + } + + /// <summary> + /// Gets the default level that will be used for events with this descriptor. + /// </summary> + internal EventLevel Level + { + get { return (EventLevel)this.level; } + } + + /// <summary> + /// Gets the default opcode that will be used for events with this descriptor. + /// </summary> + internal EventOpcode Opcode + { + get { return (EventOpcode)this.opcode; } + } + + /// <summary> + /// Gets the default set of keywords that will added to events with this descriptor. + /// </summary> + internal EventKeywords Keywords + { + get { return (EventKeywords)this.keywords; } + } + + /// <summary> + /// Gets the default tags that will be added events with this descriptor. + /// </summary> + internal EventTags Tags + { + get { return this.tags; } + } + + internal NameInfo GetNameInfo(string name, EventTags tags) + { + var ret = this.nameInfos.TryGet(new KeyValuePair<string, EventTags>(name, tags)); + if (ret == null) + { + ret = this.nameInfos.GetOrAdd(new NameInfo(name, tags, this.typeMetadata.Length)); + } + + return ret; + } + + private TraceLoggingTypeInfo[] MakeArray(System.Reflection.ParameterInfo[] paramInfos) + { + if (paramInfos == null) + { + throw new ArgumentNullException(nameof(paramInfos)); + } + + Contract.EndContractBlock(); + + var recursionCheck = new List<Type>(paramInfos.Length); + var result = new TraceLoggingTypeInfo[paramInfos.Length]; + for (int i = 0; i < paramInfos.Length; ++i) + { + result[i] = TraceLoggingTypeInfo.GetInstance(paramInfos[i].ParameterType, recursionCheck); + } + + return result; + } + + private static TraceLoggingTypeInfo[] MakeArray(Type[] types) + { + if (types == null) + { + throw new ArgumentNullException(nameof(types)); + } + + Contract.EndContractBlock(); + + var recursionCheck = new List<Type>(types.Length); + var result = new TraceLoggingTypeInfo[types.Length]; + for (int i = 0; i < types.Length; i++) + { + result[i] = TraceLoggingTypeInfo.GetInstance(types[i], recursionCheck); + } + + return result; + } + + private static TraceLoggingTypeInfo[] MakeArray( + TraceLoggingTypeInfo[] typeInfos) + { + if (typeInfos == null) + { + throw new ArgumentNullException(nameof(typeInfos)); + } + + Contract.EndContractBlock(); + + return (TraceLoggingTypeInfo[])typeInfos.Clone(); ; + } + } +} |