public void RollFilesTest([Range(0, 4)] int numFilesExisting, [Range(0, 3)] int numOldFilesToKeep)
{
// Create existing files
if (numFilesExisting > 0)
{
CreateFile(_TestFolder, _TestFileName, 0);
}
for (var i = 1; i < numFilesExisting; i++)
{
CreateFile(_TestFolder, GetFileName(i), i);
}
// Roll the files
CLogFileRoller.RollLogs(Path.Combine(_TestFolder, _TestFileName), numOldFilesToKeep);
// Check main file
Assert.IsFalse(File.Exists(Path.Combine(_TestFolder, _TestFileName)), "Main file was not deleted.");
//Check other files
for (int i = 1; i <= Math.Max(numOldFilesToKeep, numFilesExisting); i++)
{
var fileToCheck = Path.Combine(_TestFolder, GetFileName(i));
if (i <= Math.Min(numFilesExisting, numOldFilesToKeep))
{
Assert.IsTrue(File.Exists(fileToCheck), $"File {GetFileName(i)} is missing.");
Assert.AreEqual((i - 1).ToString(), File.ReadAllText(fileToCheck), "Rotation is wrong");
}
else
{
Assert.IsFalse(File.Exists(fileToCheck));
}
}
}
/// <summary>
/// Initialize the logging framework.
/// </summary>
/// <param name="logFolder">The folder where to write the log files.</param>
/// <param name="fileNameMainLog">The name of the main log.</param>
/// <param name="fileNameSongInfoLog">The name of the log for song problems.</param>
/// <param name="fileNameCrashMarker">The name of the file which is used as crash marker.</param>
/// <param name="currentVersion">The current version tag as it is displayed in the main menu.</param>
/// <param name="showReporterFunc">Delegate to the function which should be called if the reporter have to been shown.</param>
/// <param name="logLevel">The log level for log messages.</param>
public static void Init(string logFolder, string fileNameMainLog, string fileNameSongInfoLog, string fileNameCrashMarker, string currentVersion, ShowReporterDelegate showReporterFunc, ELogLevel logLevel)
{
_LogFolder = logFolder;
_ShowReporterFunc = showReporterFunc;
_CurrentVersion = currentVersion;
_CrashMarkerFilePath = Path.Combine(_LogFolder, fileNameCrashMarker);
// Creates the log directory if it does not exist
if (!Directory.Exists(_LogFolder))
{
Directory.CreateDirectory(_LogFolder);
}
var mainLogFilePath = Path.Combine(_LogFolder, fileNameMainLog);
var songLogFilePath = Path.Combine(_LogFolder, fileNameSongInfoLog);
// Check if crash marker file
if (File.Exists(_CrashMarkerFilePath))
{
// There was a crash in the last run -> check version tag of the crashed application instance
string versionTag;
using (StreamReader reader = new StreamReader(_CrashMarkerFilePath, Encoding.UTF8))
{
versionTag = (reader.ReadLine() ?? "").Trim();
}
// Delete the old marker
File.Delete(_CrashMarkerFilePath);
#if !DEBUG
if (_CurrentVersion == versionTag && File.Exists(mainLogFilePath))
{
string logContent = File.ReadAllText(mainLogFilePath, Encoding.UTF8);
_ShowReporterFunc(crash: true,
showContinue: true,
vocaluxeVersionTag: versionTag,
log: logContent,
lastError: "Vocaluxe crashed while the last execution.");
}
#endif
}
// Write new marker
File.WriteAllText(_CrashMarkerFilePath, _CurrentVersion, Encoding.UTF8);
CLogFileRoller.RollLogs(mainLogFilePath, 2);
CLogFileRoller.RollLogs(songLogFilePath, 2);
_MainLog = new LoggerConfiguration()
.MinimumLevel.Is(logLevel.ToSerilogLogLevel())
.Enrich.WithThreadId()
.Enrich.FromLogContext()
.Enrich.WithTimeStampFromStart()
.WriteTo.TextWriter(_MainLogStringWriter,
outputTemplate: _MainLogTemplate)
// Json can be activated by adding "new CompactJsonFormatter()" as first argument
.WriteTo.File(mainLogFilePath,
flushToDiskInterval: TimeSpan.FromSeconds(30),
outputTemplate: _MainLogTemplate)
#if DEBUG
.WriteTo.Console(outputTemplate: _MainLogTemplate)
#endif
.CreateLogger();
_SongLog = new LoggerConfiguration()
.MinimumLevel.Is(logLevel.ToSerilogLogLevel())
.WriteTo.File(songLogFilePath,
flushToDiskInterval: TimeSpan.FromSeconds(60),
outputTemplate: _SongLogTemplate)
#if DEBUG
.WriteTo.Console(outputTemplate: "[SongInfo] " + _SongLogTemplate)
#endif
.CreateLogger();
// Adding first line to log with information about this run
Information("Starting to log",
Params(new { Version = _CurrentVersion },
new { StartDate = DateTime.Now },
new { Id = Guid.NewGuid() }));
}