Mercurial > servermonitor

comparison ServerMonitor/Objects/Logger.cs @ 9:7127d5b5ac75

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Code cleanup and comments
author Brad Greco <brad@bgreco.net>
date Mon, 08 Apr 2019 21:29:54 -0400
parents c1dffaac66fa
children 68d7834dc28e
comparison
equal deleted inserted replaced
8:052aa62cb42a 9:7127d5b5ac75
63 63
64 public async void TrimLog() 64 public async void TrimLog()
65 { 65 {
66 DateTime maxAge = DateTime.Now.AddDays(-1 * Settings.Default.KeepLogDays); 66 DateTime maxAge = DateTime.Now.AddDays(-1 * Settings.Default.KeepLogDays);
67 string tempFile = logFile + ".tmp"; 67 string tempFile = logFile + ".tmp";
68 using (FileStream stream = new FileStream(logFile, FileMode.Open, FileAccess.Read, FileShare.Read)) 68 try
69 using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
70 using (FileStream outStream = new FileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.None))
71 using (StreamWriter writer = new StreamWriter(outStream, Encoding.UTF8))
72 { 69 {
73 while (true) 70 using (FileStream stream = new FileStream(logFile, FileMode.Open, FileAccess.Read, FileShare.Read))
71 using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
72 using (FileStream outStream = new FileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.None))
73 using (StreamWriter writer = new StreamWriter(outStream, Encoding.UTF8))
74 { 74 {
75 try 75 while (true)
76 { 76 {
77 string line = reader.ReadLine(); 77 try
78 if (line == null)
79 break;
80 if (DateTime.TryParse(line.Substring(6, 10), out DateTime date) && date > maxAge)
81 { 78 {
82 await writer.WriteLineAsync(line); 79 string line = reader.ReadLine();
80 if (line == null)
81 break;
82 if (DateTime.TryParse(line.Substring(6, 10), out DateTime date) && date > maxAge)
83 {
84 await writer.WriteLineAsync(line);
85 }
83 } 86 }
87 catch (Exception) { }
84 } 88 }
85 catch (Exception) { }
86 } 89 }
90 File.Delete(logFile);
91 File.Move(tempFile, logFile);
87 } 92 }
88 File.Delete(logFile); 93 catch (FileNotFoundException)
89 File.Move(tempFile, logFile); 94 {
95 // Do nothing if the log file does not exist yet.
96 }
90 } 97 }
91 } 98 }
92 } 99 }