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// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Security;
#if ES_BUILD_STANDALONE
namespace Microsoft.Diagnostics.Tracing
#else
namespace System.Diagnostics.Tracing
#endif
{
/// <summary>
/// TraceLogging: Used when implementing a custom TraceLoggingTypeInfo.
/// The instance of this type is provided to the TypeInfo.WriteData method.
/// All operations are forwarded to the current thread's DataCollector.
/// Note that this abstraction would allow us to expose the custom
/// serialization system to partially-trusted code. If we end up not
/// making custom serialization public, or if we only expose it to
/// full-trust code, this abstraction is unnecessary (though it probably
/// doesn't hurt anything).
/// </summary>
[SecuritySafeCritical]
internal unsafe class TraceLoggingDataCollector
{
internal static readonly TraceLoggingDataCollector Instance = new TraceLoggingDataCollector();
private TraceLoggingDataCollector()
{
return;
}
/// <summary>
/// Marks the start of a non-blittable array or enumerable.
/// </summary>
/// <returns>Bookmark to be passed to EndBufferedArray.</returns>
public int BeginBufferedArray()
{
return DataCollector.ThreadInstance.BeginBufferedArray();
}
/// <summary>
/// Marks the end of a non-blittable array or enumerable.
/// </summary>
/// <param name="bookmark">The value returned by BeginBufferedArray.</param>
/// <param name="count">The number of items in the array.</param>
public void EndBufferedArray(int bookmark, int count)
{
DataCollector.ThreadInstance.EndBufferedArray(bookmark, count);
}
/// <summary>
/// Adds the start of a group to the event.
/// This has no effect on the event payload, but is provided to allow
/// WriteMetadata and WriteData implementations to have similar
/// sequences of calls, allowing for easier verification of correctness.
/// </summary>
public TraceLoggingDataCollector AddGroup()
{
return this;
}
/// <summary>
/// Adds a Boolean value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(bool value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(bool));
}
/// <summary>
/// Adds an SByte value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
//[CLSCompliant(false)]
public void AddScalar(sbyte value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(sbyte));
}
/// <summary>
/// Adds a Byte value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(byte value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(byte));
}
/// <summary>
/// Adds an Int16 value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(short value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(short));
}
/// <summary>
/// Adds a UInt16 value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
//[CLSCompliant(false)]
public void AddScalar(ushort value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(ushort));
}
/// <summary>
/// Adds an Int32 value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(int value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(int));
}
/// <summary>
/// Adds a UInt32 value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
//[CLSCompliant(false)]
public void AddScalar(uint value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(uint));
}
/// <summary>
/// Adds an Int64 value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(long value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(long));
}
/// <summary>
/// Adds a UInt64 value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
//[CLSCompliant(false)]
public void AddScalar(ulong value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(ulong));
}
/// <summary>
/// Adds an IntPtr value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(IntPtr value)
{
DataCollector.ThreadInstance.AddScalar(&value, IntPtr.Size);
}
/// <summary>
/// Adds a UIntPtr value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
//[CLSCompliant(false)]
public void AddScalar(UIntPtr value)
{
DataCollector.ThreadInstance.AddScalar(&value, UIntPtr.Size);
}
/// <summary>
/// Adds a Single value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(float value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(float));
}
/// <summary>
/// Adds a Double value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(double value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(double));
}
/// <summary>
/// Adds a Char value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(char value)
{
DataCollector.ThreadInstance.AddScalar(&value, sizeof(char));
}
/// <summary>
/// Adds a Guid value to the event payload.
/// </summary>
/// <param name="value">Value to be added.</param>
public void AddScalar(Guid value)
{
DataCollector.ThreadInstance.AddScalar(&value, 16);
}
/// <summary>
/// Adds a counted String value to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length string.
/// </param>
public void AddBinary(string value)
{
DataCollector.ThreadInstance.AddBinary(value, value == null ? 0 : value.Length * 2);
}
/// <summary>
/// Adds an array of Byte values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddBinary(byte[] value)
{
DataCollector.ThreadInstance.AddBinary(value, value == null ? 0 : value.Length);
}
/// <summary>
/// Adds an array of Boolean values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(bool[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(bool));
}
/// <summary>
/// Adds an array of SByte values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
//[CLSCompliant(false)]
public void AddArray(sbyte[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(sbyte));
}
/// <summary>
/// Adds an array of Int16 values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(short[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(short));
}
/// <summary>
/// Adds an array of UInt16 values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
//[CLSCompliant(false)]
public void AddArray(ushort[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(ushort));
}
/// <summary>
/// Adds an array of Int32 values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(int[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(int));
}
/// <summary>
/// Adds an array of UInt32 values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
//[CLSCompliant(false)]
public void AddArray(uint[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(uint));
}
/// <summary>
/// Adds an array of Int64 values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(long[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(long));
}
/// <summary>
/// Adds an array of UInt64 values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
//[CLSCompliant(false)]
public void AddArray(ulong[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(ulong));
}
/// <summary>
/// Adds an array of IntPtr values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(IntPtr[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, IntPtr.Size);
}
/// <summary>
/// Adds an array of UIntPtr values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
//[CLSCompliant(false)]
public void AddArray(UIntPtr[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, UIntPtr.Size);
}
/// <summary>
/// Adds an array of Single values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(float[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(float));
}
/// <summary>
/// Adds an array of Double values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(double[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(double));
}
/// <summary>
/// Adds an array of Char values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(char[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(char));
}
/// <summary>
/// Adds an array of Guid values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddArray(Guid[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, 16);
}
/// <summary>
/// Adds an array of Byte values to the event payload.
/// </summary>
/// <param name="value">
/// Value to be added. A null value is treated as a zero-length array.
/// </param>
public void AddCustom(byte[] value)
{
DataCollector.ThreadInstance.AddArray(value, value == null ? 0 : value.Length, sizeof(byte));
}
}
}
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