dev-npgsql/npgsql: Npgsql is the .NET data provider for PostgreSQL.

src/Npgsql/Logging/NpgsqlLogManager.cs
73 строки3 KB
Shay Rojansky
Remove stack reflection from logging
23 июл 2019, 00:35
23 июл 2019, 00:357cb121b
#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.Linq;
using System.Reflection;
using System.Text;

namespace Npgsql.Logging
{
    /// <summary>
    /// Manages logging for Npgsql, used to set the logging 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) => Provider.CreateLogger("Npgsql." + name);

        static NpgsqlLogManager()
        {
            Provider = new NoOpLoggingProvider();
        }
    }
}