updates

Author: Om-Suryawanshi

.gitignore

@@ -1,3 +1,5 @@
 bin
 obj
-.venv
+.venv
+logs
+log.txt

Services/LogService.cs

@@ -4,18 +4,43 @@ public class LogService : ILogService
     {
         private readonly List<LogEntry> _logs = new();
         private readonly object _lock = new();
+        private const string LogFilePath = "logs/log.txt";
+
+        public LogService()
+        {
+            Directory.CreateDirectory("logs");
+
+            // Load existing logs from file at startup
+            if (File.Exists(LogFilePath))
+            {
+                var lines = File.ReadAllLines(LogFilePath);
+                foreach (var line in lines)
+                {
+                    var entry = ParseLogLine(line);
+                    if (entry != null)
+                        _logs.Add(entry);
+                }
+            }
+        }
 
         public void Log(string message, string level = "INFO", string? context = null)
         {
-            var entry = new LogEntry { Message = message, Level = level, Context = context };
+            var entry = new LogEntry
+            {
+                Message = message,
+                Level = level,
+                Context = context,
+                Timestamp = DateTime.UtcNow
+            };
+
             lock (_lock)
             {
                 _logs.Add(entry);
-                if (_logs.Count > 1000) _logs.RemoveAt(0); // keep memory usage in check
-            }
+                if (_logs.Count > 10000) _logs.RemoveAt(0); // optional trim
 
-            // Optional: Also write to file
-            File.AppendAllText("logs/log.txt", $"{entry.Timestamp:o} [{level}] ({context}) {message}{Environment.NewLine}");
+                File.AppendAllText(LogFilePath,
+                    $"{entry.Timestamp:o} [{entry.Level}] ({entry.Context}) {entry.Message}{Environment.NewLine}");
+            }
         }
 
         public IEnumerable<LogEntry> GetLogs()
@@ -25,5 +50,39 @@ public IEnumerable<LogEntry> GetLogs()
                 return _logs.ToList();
             }
         }
+
+        private LogEntry? ParseLogLine(string line)
+        {
+            try
+            {
+                // Format: 2025-06-02T12:34:56.7890000Z [INFO] (Context) Message
+                var timestampEnd = line.IndexOf('[') - 1;
+                var timestamp = DateTime.Parse(line.Substring(0, timestampEnd).Trim());
+
+                var levelStart = line.IndexOf('[') + 1;
+                var levelEnd = line.IndexOf(']');
+                var level = line.Substring(levelStart, levelEnd - levelStart);
+
+                var contextStart = line.IndexOf('(', levelEnd) + 1;
+                var contextEnd = line.IndexOf(')', contextStart);
+                var context = line.Substring(contextStart, contextEnd - contextStart);
+
+                var messageStart = line.IndexOf(')', contextEnd) + 2;
+                var message = line.Substring(messageStart);
+
+                return new LogEntry
+                {
+                    Timestamp = timestamp,
+                    Level = level,
+                    Context = context,
+                    Message = message
+                };
+            }
+            catch
+            {
+                // Ignore malformed lines
+                return null;
+            }
+        }
     }
 }

Services/TcpListenerService.cs

@@ -59,7 +59,7 @@ protected override async Task ExecuteAsync(CancellationToken stoppingToken)
         {
             _tcpListener.Start();
             _logger.LogInformation($"✅ TCP Server started on {_localIp}:{Port}");
-            _logService.Log($"TCP Listener started", "INFO", "{TcpListenerService}");
+            _logService.Log($"TCP Listener started", "INFO", "TcpListenerService");
 
 
             // Background task for saving data

logs/log.txt

@@ -49,3 +49,11 @@
 2025-06-02T11:52:55.8212770Z [INFO] (🟡 TCP server is shutting down due to cancellation request.) TCP Listener Cancellation requested
 2025-06-02T11:52:55.8224596Z [INFO] (🔌 TCP listener stopped.) TCP Listener stopped
 2025-06-02T11:52:59.8444850Z [INFO] ({TcpListenerService}) TCP Listener started
+2025-06-02T12:03:59.3353722Z [INFO] (🟡 TCP server is shutting down due to cancellation request.) TCP Listener Cancellation requested
+2025-06-02T12:03:59.3362736Z [INFO] (🔌 TCP listener stopped.) TCP Listener stopped
+2025-06-02T12:04:06.6213739Z [INFO] ({TcpListenerService}) TCP Listener started
+2025-06-02T12:04:55.6516427Z [INFO] (🟡 TCP server is shutting down due to cancellation request.) TCP Listener Cancellation requested
+2025-06-02T12:04:55.6537237Z [INFO] (🔌 TCP listener stopped.) TCP Listener stopped
+2025-06-02T12:05:03.7978952Z [INFO] (TcpListenerService) TCP Listener started
+2025-06-02T12:18:11.7707276Z [INFO] (🟡 TCP server is shutting down due to cancellation request.) TCP Listener Cancellation requested
+2025-06-02T12:18:11.7720018Z [INFO] (🔌 TCP listener stopped.) TCP Listener stopped