public Logger(string filepath, string appname, Level min_level = Level.Info)
{
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
string filename = Path.Combine(filepath, appname + ".log");
// Backup existing log
if (File.Exists(filename))
{
string backupfile = Path.Combine(filepath, appname + "-" + DateTime.Now.ToString("yyyyMMdd-hhmmss") + ".log");
try { File.Move(filename, backupfile); }
catch { /*Just eat this*/ }
}
_file = File.CreateText(filename);
_min_level = min_level;
Info("Starting up log facility ...");
// Replace original listeners, replacing with writing into our own log
Trace.Listeners.RemoveAt(0);
_trace = new _Trace(this);
Trace.Listeners.Add(_trace);
Info("... log facility up and running");
_file.Write("\n");
SetLog(this);
}
public Logger(string filepath, string appname, Level min_level = Level.Info, bool as_singleton = true)
{
if (!Directory.Exists(filepath))
{
Directory.CreateDirectory(filepath);
}
_filename = Path.Combine(filepath, appname + ".log");
// Backup existing log
if (File.Exists(_filename))
{
// Move to zip, ...
string backupfile = Path.Combine(filepath, appname + "-" + DateTime.Now.ToString("yyyyMMdd-hhmmss") + ".zip");
Compressor.CompressToFile(backupfile, new Dictionary <string, byte[]> {
{ Path.GetFileName(_filename), Helpers.GetFileContents(_filename) }
});
File.Delete(_filename);
// ..., and reduce to at most 5 latest logs
var logs = Directory.EnumerateFiles(filepath, appname + "*.zip")
.OrderByDescending(f => File.GetLastAccessTime(f))
.ToList()
;
if (logs.Count > 5)
{
logs.RemoveRange(0, 5);
logs.ForEach(f => File.Delete(f));
}
}
_file = new StreamWriter(File.Open(_filename, FileMode.Create, FileAccess.Write, FileShare.ReadWrite));
_min_level = min_level;
Info("Starting up log facility ...");
// Replace original listeners, replacing with writing into our own log
if (as_singleton)
{
// Only avail with singleton, e.g. the main application log
Trace.Listeners.RemoveAt(0);
_trace = new _Trace(this);
Trace.Listeners.Add(_trace);
}
Info("... log facility up and running");
_file.Write("\r\n");
if (as_singleton)
{
SetLog(this);
}
}
