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LogException in Interval Class
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// The MIT License(MIT) | |
//Copyright(c) 2016 alex-doe | |
//Permission is hereby granted, free of charge, to any person obtaining a copy | |
//of this software and associated documentation files(the "Software"), to deal | |
//in the Software without restriction, including without limitation the rights | |
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
//copies of the Software, and to permit persons to whom the Software is | |
//furnished to do so, subject to the following conditions: | |
//The above copyright notice and this permission notice shall be included in all | |
//copies or substantial portions of the Software. | |
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE | |
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
//SOFTWARE. | |
using System; | |
using System.Collections.Generic; | |
using System.IO; | |
using System.Linq; | |
using System.Threading; | |
namespace TestExceptionClass { | |
class Program { | |
static void Main(string[] args) { | |
var exceptionInTimeHandler = new ExceptionInTimeHandler(TimeSpan.FromSeconds(60)); | |
DateTime starttime = DateTime.UtcNow; | |
while (true) { | |
try { | |
//throw every cycle | |
DirectoryInfo info = new DirectoryInfo("E:\\Temp"); | |
info.GetFiles(); | |
} catch (Exception ex) { | |
exceptionInTimeHandler.LogException(ex); | |
} | |
try { | |
//throw every 4 seconds | |
if (starttime.AddSeconds(4) <= DateTime.UtcNow) { | |
var infoexalle2 = new DirectoryInfo("C:\\Tempasdfasdf"); | |
infoexalle2.GetFiles(); | |
} | |
} catch (Exception ex) { | |
exceptionInTimeHandler.LogException(ex); | |
} | |
try { | |
//throw every 7 seconds | |
if (starttime.AddSeconds(7) <= DateTime.UtcNow) { | |
throw new NotImplementedException("Test impl ex 1"); | |
} | |
} catch (Exception ex) { | |
exceptionInTimeHandler.LogException(ex); | |
} | |
Thread.Sleep(TimeSpan.FromSeconds(2)); | |
} | |
} | |
} | |
public class ExceptionInTimeHandler { | |
private readonly List<TimedExceptionEntry> _exceptionEntries; | |
private readonly TimeSpan _logInterval; | |
public ExceptionInTimeHandler(TimeSpan logInterval) { | |
_logInterval = logInterval; | |
_exceptionEntries = new List<TimedExceptionEntry>(); | |
} | |
public void LogException(Exception ex) { | |
//todo optimize compare | |
if (_exceptionEntries.Any(e => e.Exception.StackTrace == ex.StackTrace) && | |
_exceptionEntries.Any(e => e.Exception.Message == ex.Message)) { | |
var exception = _exceptionEntries.Single(e => e.Exception.StackTrace == ex.StackTrace && e.Exception.Message == ex.Message); | |
if (exception.LastLogTime.Add(_logInterval) > DateTime.UtcNow) return; | |
exception.LastLogTime = DateTime.UtcNow; | |
} else { | |
_exceptionEntries.Add(new TimedExceptionEntry(ex)); | |
} | |
Logger.Instance.LogFormat(ex.ToString()); | |
} | |
private class TimedExceptionEntry { | |
public Exception Exception { get; set; } | |
public DateTime LastLogTime { get; set; } | |
public TimedExceptionEntry(Exception exception) { | |
Exception = exception; | |
LastLogTime = DateTime.UtcNow; | |
} | |
} | |
} | |
//fake logger | |
public class Logger { | |
private static Logger _logger; | |
public static Logger Instance => _logger ?? (_logger = new Logger()); | |
public void LogFormat(string text) { | |
Console.WriteLine(text); | |
} | |
} | |
} |
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