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allowed file sinks to reopen the file every time they write to it

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Ellpeck 2020-07-23 13:51:18 +02:00
parent dd62d3d2c1
commit a518c5c674
1 changed files with 20 additions and 6 deletions
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26
ExtremelySimpleLogger/FileSink.cs
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@ -6,15 +6,18 @@ namespace ExtremelySimpleLogger {
/// </summary>
public class FileSink : Sink {
private readonly FileInfo file;
private readonly StreamWriter writer;
private readonly bool reopenOnWrite;
/// <summary>
/// Creates a new file sink with the given settings.
/// </summary>
/// <param name="file">The full, or relative, path of the file to write to</param>
/// <param name="append">Whether new output should be appended to the old log file</param>
public FileSink(string file, bool append) :
this(new FileInfo(file), append) {
/// <param name="reopenOnWrite">Whether this file sink should reopen the file every time it logs to it. If this is false, the file will be kept open by this sink.</param>
public FileSink(string file, bool append, bool reopenOnWrite = false) :
this(new FileInfo(file), append, reopenOnWrite) {
}
/// <summary>
@ -22,7 +25,11 @@ namespace ExtremelySimpleLogger {
/// </summary>
/// <param name="file">The full, or relative, path of the file to write to</param>
/// <param name="append">Whether new output should be appended to the old log file</param>
public FileSink(FileInfo file, bool append) {
/// <param name="reopenOnWrite">Whether this file sink should reopen the file every time it logs to it. If this is false, the file will be kept open by this sink.</param>
public FileSink(FileInfo file, bool append, bool reopenOnWrite = false) {
this.reopenOnWrite = reopenOnWrite;
this.file = file;
var dir = file.Directory;
if (dir != null && !dir.Exists)
dir.Create();
@ -30,8 +37,10 @@ namespace ExtremelySimpleLogger {
if (!append && file.Exists)
file.Delete();
this.writer = file.AppendText();
this.writer.AutoFlush = true;
if (!reopenOnWrite) {
this.writer = file.AppendText();
this.writer.AutoFlush = true;
}
}
/// <summary>
@ -39,7 +48,12 @@ namespace ExtremelySimpleLogger {
/// </summary>
/// <param name="s">The message to log</param>
public override void Log(string s) {
this.writer.WriteLine(s);
if (this.reopenOnWrite) {
using (var w = this.file.AppendText())
w.WriteLine(s);
} else {
this.writer.WriteLine(s);
}
}
}