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常用工具集/Utility/Network/Modbus/SharpModbus/ModbusTools.cs

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+using System;
+using System.Net.Sockets;
+
+namespace SharpModbus
+{
+    public class SerialSettings : SharpSerial.SerialSettings { }
+
+    public static class Tools
+    {
+        public static void AssertEqual(int a, int b, string format)
+        {
+            if (a != b) Tools.Throw(format, a, b);
+        }
+
+        public static TcpClient ConnectWithTimeout(string host, int port, int timeout)
+        {
+            var socket = new TcpClient();
+            try
+            {
+                var result = socket.BeginConnect(host, port, null, null);
+                var connected = result.AsyncWaitHandle.WaitOne(timeout, true);
+                if (!connected) Tools.Throw("Timeout connecting to {0}:{1}", host, port);
+                socket.EndConnect(result);
+                return socket;
+            }
+            catch (Exception ex)
+            {
+                Tools.Dispose(socket);
+                throw ex;
+            }
+        }
+
+        public static void Dispose(IDisposable disposable)
+        {
+            try { if (disposable != null) disposable.Dispose(); }
+            catch (Exception) { }
+        }
+
+        public static Exception Make(string format, params object[] args)
+        {
+            var message = format;
+            if (args.Length > 0) message = string.Format(format, args);
+            return new Exception(message);
+        }
+
+        public static void Throw(string format, params object[] args)
+        {
+            var message = format;
+            if (args.Length > 0) message = string.Format(format, args);
+            throw new Exception(message);
+        }
+
+        public static void Throw(Exception inner, string format, params object[] args)
+        {
+            var message = format;
+            if (args.Length > 0) message = string.Format(format, args);
+            throw new Exception(message, inner);
+        }
+    }
+}