97 lines
2.3 KiB
C#
97 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2018 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.IO;
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namespace OpenRA
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{
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public struct ChannelInfo
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{
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public string Filename;
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public TextWriter Writer;
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}
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public static class Log
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{
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static readonly Dictionary<string, ChannelInfo> Channels = new Dictionary<string, ChannelInfo>();
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static IEnumerable<string> FilenamesForChannel(string channelName, string baseFilename)
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{
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var path = Platform.SupportDir + "Logs";
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Directory.CreateDirectory(path);
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for (var i = 0;; i++)
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yield return Path.Combine(path, i > 0 ? "{0}.{1}".F(baseFilename, i) : baseFilename);
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}
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public static ChannelInfo Channel(string channelName)
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{
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ChannelInfo info;
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lock (Channels)
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if (!Channels.TryGetValue(channelName, out info))
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throw new ArgumentException("Tried logging to non-existent channel " + channelName, "channelName");
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return info;
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}
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public static void AddChannel(string channelName, string baseFilename)
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{
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lock (Channels)
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{
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if (Channels.ContainsKey(channelName)) return;
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if (string.IsNullOrEmpty(baseFilename))
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{
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Channels.Add(channelName, new ChannelInfo());
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return;
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}
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foreach (var filename in FilenamesForChannel(channelName, baseFilename))
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try
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{
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var writer = File.CreateText(filename);
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writer.AutoFlush = true;
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Channels.Add(channelName,
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new ChannelInfo
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{
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Filename = filename,
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Writer = TextWriter.Synchronized(writer)
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});
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return;
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}
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catch (IOException) { }
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}
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}
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public static void Write(string channel, string value)
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{
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var writer = Channel(channel).Writer;
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if (writer == null)
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return;
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writer.WriteLine(value);
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}
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public static void Write(string channel, string format, params object[] args)
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{
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var writer = Channel(channel).Writer;
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if (writer == null)
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return;
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writer.WriteLine(format, args);
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}
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}
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}
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