/
DepthLimiter.cs
73 lines (58 loc) · 2.35 KB
/
DepthLimiter.cs
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// Copyright 2013-2017 Serilog Contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
namespace Serilog.Capturing;
partial class PropertyValueConverter
{
class DepthLimiter : ILogEventPropertyValueFactory
{
[ThreadStatic]
static int _currentDepth;
readonly int _maximumDestructuringDepth;
readonly PropertyValueConverter _propertyValueConverter;
public DepthLimiter(int maximumDepth, PropertyValueConverter propertyValueConverter)
{
_maximumDestructuringDepth = maximumDepth;
_propertyValueConverter = propertyValueConverter;
}
public static void SetCurrentDepth(int depth)
{
_currentDepth = depth;
}
public LogEventPropertyValue CreatePropertyValue(object? value, Destructuring destructuring)
{
var storedDepth = _currentDepth;
var result = DefaultIfMaximumDepth(storedDepth) ??
_propertyValueConverter.CreatePropertyValue(value, destructuring, storedDepth + 1);
_currentDepth = storedDepth;
return result;
}
LogEventPropertyValue ILogEventPropertyValueFactory.CreatePropertyValue(object value, bool destructureObjects)
{
var storedDepth = _currentDepth;
var result = DefaultIfMaximumDepth(storedDepth) ??
_propertyValueConverter.CreatePropertyValue(value, destructureObjects, storedDepth + 1);
_currentDepth = storedDepth;
return result;
}
LogEventPropertyValue? DefaultIfMaximumDepth(int depth)
{
if (depth == _maximumDestructuringDepth)
{
SelfLog.WriteLine("Maximum destructuring depth reached.");
return new ScalarValue(null);
}
return null;
}
}
}