From a4ba1b2c6a53030fb56797b238fee8e93c57b742 Mon Sep 17 00:00:00 2001
From: Jawad <jawad.h@pacsquare.com>
Date: Tue, 7 May 2024 19:55:55 +0500
Subject: [PATCH] Added RollingFileLogFactory to support logging in separate
 files, allowing for improved organization and management of log data.

---
 QuickFIXn/Logger/FileLog.cs               | 22 ++++++++++++--
 QuickFIXn/Logger/RollingFileLogFactory.cs | 35 +++++++++++++++++++++++
 2 files changed, 54 insertions(+), 3 deletions(-)
 create mode 100644 QuickFIXn/Logger/RollingFileLogFactory.cs

diff --git a/QuickFIXn/Logger/FileLog.cs b/QuickFIXn/Logger/FileLog.cs
index d7addf67a..cfb602428 100755
--- a/QuickFIXn/Logger/FileLog.cs
+++ b/QuickFIXn/Logger/FileLog.cs
@@ -25,7 +25,14 @@ public class FileLog : ILog
     /// path separator (i.e. "/" will become "\" on windows, else "\" will become "/" on all other platforms)
     /// </param>
     /// <param name="sessionId"></param>
-    public FileLog(string fileLogPath, SessionID sessionId)
+    public FileLog(string fileLogPath, SessionID sessionId) : this(fileLogPath, sessionId, false)
+    {
+    }
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="createDailyLogFile"></param>
+    public FileLog(string fileLogPath, SessionID sessionId, bool createDailyLogFile)
     {
         string prefix = Prefix(sessionId);
 
@@ -34,8 +41,17 @@ public FileLog(string fileLogPath, SessionID sessionId)
         if (!System.IO.Directory.Exists(normalizedPath))
             System.IO.Directory.CreateDirectory(normalizedPath);
 
-        _messageLogFileName = System.IO.Path.Combine(normalizedPath, prefix + ".messages.current.log");
-        _eventLogFileName = System.IO.Path.Combine(normalizedPath, prefix + ".event.current.log");
+        if (createDailyLogFile)
+        {
+            string currentDate = DateTime.UtcNow.ToString("yyyyMMdd");
+            _messageLogFileName = System.IO.Path.Combine(fileLogPath, $"{currentDate}.{prefix}.messages.log");
+            _eventLogFileName = System.IO.Path.Combine(fileLogPath, $"{currentDate}.{prefix}.event.log");
+        }
+        else
+        {
+            _messageLogFileName = System.IO.Path.Combine(normalizedPath, prefix + ".messages.current.log");
+            _eventLogFileName = System.IO.Path.Combine(normalizedPath, prefix + ".event.current.log");
+        }    
 
         _messageLog = new System.IO.StreamWriter(_messageLogFileName, true);
         _eventLog = new System.IO.StreamWriter(_eventLogFileName, true);
diff --git a/QuickFIXn/Logger/RollingFileLogFactory.cs b/QuickFIXn/Logger/RollingFileLogFactory.cs
new file mode 100644
index 000000000..d789bab16
--- /dev/null
+++ b/QuickFIXn/Logger/RollingFileLogFactory.cs
@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace QuickFix.Logger
+{
+    /// <summary>
+    /// Creates a message store that stores messages in a file separated by date
+    /// </summary>
+    public class RollingFileLogFactory : ILogFactory
+    {
+        private readonly SessionSettings _settings;
+
+        #region LogFactory Members
+
+        public RollingFileLogFactory(SessionSettings settings)
+        {
+            _settings = settings;
+        }
+
+        /// <summary>
+        /// Creates a file-based message store separated by date
+        /// </summary>
+        /// <param name="sessionId">session ID for the message store</param>
+        /// <returns></returns>
+        public ILog Create(SessionID sessionId)
+        {
+            return new FileLog(_settings.Get(sessionId).GetString(SessionSettings.FILE_LOG_PATH), sessionId,true);
+        }
+
+        #endregion
+    }
+}