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常用工具集/Utility/Network/Modbus/EasyModbus/StoreLogData.cs

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+/*
+Copyright (c) 2018-2020 Rossmann-Engineering
+Permission is hereby granted, free of charge, 
+to any person obtaining a copy of this software
+and associated documentation files (the "Software"),
+to deal in the Software without restriction, 
+including without limitation the rights to use, 
+copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit 
+persons to whom the Software is furnished to do so, 
+subject to the following conditions:
+
+The above copyright notice and this permission 
+notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
+OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace EasyModbus
+{
+    /// <summary>
+    /// Store Log-Data in a File
+    /// </summary>
+    public sealed class StoreLogData
+    {
+        private String filename = null;
+        private static volatile StoreLogData instance;
+        private static object syncObject = new Object();
+
+        /// <summary>
+        /// Private constructor; Ensures the access of the class only via "instance"
+        /// </summary>
+        private StoreLogData()
+        {
+        }
+
+        /// <summary>
+        /// Returns the instance of the class (singleton)
+        /// </summary>
+        /// <returns>instance (Singleton)</returns>
+        public static StoreLogData Instance
+        {
+            get
+            {
+                if (instance == null)
+                {
+                    lock (syncObject)
+                    {
+                        if (instance == null)
+                            instance = new StoreLogData();
+                    }
+                }
+
+                return instance;
+            }
+        }
+
+        /// <summary>
+        /// Store message in Log-File
+        /// </summary>
+        /// <param name="message">Message to append to the Log-File</param>
+        public void Store(String message)
+        {
+            if (this.filename == null)
+                return;
+
+            using (System.IO.StreamWriter file =
+                new System.IO.StreamWriter(Filename, true))
+            {
+                file.WriteLine(message);
+            }
+        }
+
+        /// <summary>
+        /// Store message in Log-File including Timestamp
+        /// </summary>
+        /// <param name="message">Message to append to the Log-File</param>
+        /// <param name="timestamp">Timestamp to add to the same Row</param>
+        public void Store(String message, DateTime timestamp)
+        {
+            try
+            {
+                using (System.IO.StreamWriter file =
+                    new System.IO.StreamWriter(Filename, true))
+                {
+                    file.WriteLine(timestamp.ToString("dd.MM.yyyy H:mm:ss.ff ") + message);
+                }
+            }
+            catch (Exception e)
+            {
+
+            }
+        }
+
+        /// <summary>
+        /// Gets or Sets the Filename to Store Strings in a File
+        /// </summary>
+        public string Filename
+        {
+            get
+            {
+                return filename;
+            }
+            set
+            {
+                filename = value;
+            }
+        }
+    }
+}