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NpgsqlLogManager.cs
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113 lines (101 loc) · 3.6 KB
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#region License
// The PostgreSQL License
//
// Copyright (C) 2016 The Npgsql Development Team
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.Contracts;
using System.Linq;
using System.Reflection;
using System.Text;
namespace Npgsql.Logging
{
/// <summary>
/// Manages logging for Npgsql, used to set the loggging provider.
/// </summary>
public static class NpgsqlLogManager
{
/// <summary>
/// The logging provider used for logging in Npgsql.
/// </summary>
public static INpgsqlLoggingProvider Provider
{
get
{
_providerRetrieved = true;
return _provider;
}
set
{
if (_providerRetrieved)
throw new InvalidOperationException("The logging provider must be set before any Npgsql action is taken");
_provider = value;
}
}
/// <summary>
/// Determines whether parameter contents will be logged alongside SQL statements - this may reveal sensitive information.
/// Defaults to false.
/// </summary>
public static bool IsParameterLoggingEnabled { get; set; }
static INpgsqlLoggingProvider _provider;
static bool _providerRetrieved;
internal static NpgsqlLogger CreateLogger(string name)
{
return Provider.CreateLogger(name);
}
internal static NpgsqlLogger GetCurrentClassLogger()
{
return CreateLogger(GetClassFullName());
}
// Copied from NLog
static string GetClassFullName()
{
#if NET45 || NET451 || DNX451
string className;
Type declaringType;
int framesToSkip = 2;
do {
#if SILVERLIGHT
StackFrame frame = new StackTrace().GetFrame(framesToSkip);
#else
StackFrame frame = new StackFrame(framesToSkip, false);
#endif
MethodBase method = frame.GetMethod();
declaringType = method.DeclaringType;
if (declaringType == null) {
className = method.Name;
break;
}
framesToSkip++;
className = declaringType.FullName;
} while (declaringType.Module.Name.Equals("mscorlib.dll", StringComparison.OrdinalIgnoreCase));
return className;
#else
return "<UNKNOWN>";
#endif
}
static NpgsqlLogManager()
{
Provider = new NoOpLoggingProvider();
}
}
}