From d306115750df9df170cfef4d49c6b0b7af498962 Mon Sep 17 00:00:00 2001
From: jduncanator <1518948+jduncanator@users.noreply.github.com>
Date: Mon, 11 Feb 2019 23:00:32 +1100
Subject: Logger and Configuration Refactoring (#573)

* Logging: Refactor log targets into Ryujinx.Common

* Logger: Implement JSON Log Target

* Logger: Optimize Console/File logging targets

Implement a simple ObjectPool to pool up StringBuilders to avoid causing excessive GCing of gen1/2 items when large amounts of log entries are being generated.

We can also pre-determine the async overflow action at initialization time, allowing for an easy optimization in the message enqueue function, avoiding a number of comparisons.

* Logger: Implement LogFormatters

* Config: Refactor configuration file and loading

* Config: Rename to .jsonc to avoid highlighting issues in VSC and GitHub

* Resolve style nits

* Config: Resolve incorrect default key binding

* Config: Also update key binding default in schema

* Tidy up namespace imports

* Config: Update CONFIG.md to reflect new Config file
---
 Ryujinx.Common/Logging/Targets/FileLogTarget.cs | 36 +++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Ryujinx.Common/Logging/Targets/FileLogTarget.cs

(limited to 'Ryujinx.Common/Logging/Targets/FileLogTarget.cs')

diff --git a/Ryujinx.Common/Logging/Targets/FileLogTarget.cs b/Ryujinx.Common/Logging/Targets/FileLogTarget.cs
new file mode 100644
index 00000000..85dc8249
--- /dev/null
+++ b/Ryujinx.Common/Logging/Targets/FileLogTarget.cs
@@ -0,0 +1,36 @@
+using System.IO;
+using System.Text;
+
+namespace Ryujinx.Common.Logging
+{
+    public class FileLogTarget : ILogTarget
+    {
+        private static readonly ObjectPool<StringBuilder> _stringBuilderPool = SharedPools.Default<StringBuilder>();
+
+        private readonly StreamWriter  _logWriter;
+        private readonly ILogFormatter _formatter;
+
+        public FileLogTarget(string path)
+            : this(path, FileShare.Read, FileMode.Append)
+        { }
+
+        public FileLogTarget(string path, FileShare fileShare, FileMode fileMode)
+        {
+            _logWriter = new StreamWriter(File.Open(path, fileMode, FileAccess.Write, fileShare));
+            _formatter = new DefaultLogFormatter();
+        }
+
+        public void Log(object sender, LogEventArgs args)
+        {
+            _logWriter.WriteLine(_formatter.Format(args));
+            _logWriter.Flush();
+        }
+
+        public void Dispose()
+        {
+            _logWriter.WriteLine("---- End of Log ----");
+            _logWriter.Flush();
+            _logWriter.Dispose();
+        }
+    }
+}
-- 
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