初始化上传

2025-08-26 08:37:44 +08:00
commit 31d81b91b6
448 changed files with 80981 additions and 0 deletions
--- a/常用工具集/Utility/Network/TCPUtils.cs
+++ b/常用工具集/Utility/Network/TCPUtils.cs
@@ -0,0 +1,173 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.NetworkInformation;
+using System.Net.Sockets;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace 常用工具集.Utility.Network
+{
+    public class TCPUtils
+    {
+        private TcpClient tcpClient;
+        private string ipAddress = "127.0.0.1";
+        private int port = 502;
+        private int connectTimeout = 1000;
+
+        private bool connected = false;
+
+        private NetworkStream stream;
+
+        /// <summary>
+        /// 判断是否已经连接
+        /// </summary>
+        public bool Connected
+        {
+            get
+            {
+                if (tcpClient == null)
+                {
+                    return false;
+                }
+                return connected;
+            }
+        }
+
+        public string IPAddress
+        {
+            get
+            {
+                return ipAddress;
+            }
+            set
+            {
+                ipAddress = value;
+            }
+        }
+
+        public int Port
+        {
+            get
+            {
+                return port;
+            }
+            set
+            {
+                port = value;
+            }
+        }
+
+        public int ConnectionTimeout
+        {
+            get
+            {
+                return connectTimeout;
+            }
+            set
+            {
+                connectTimeout = value;
+            }
+        }
+
+        public TCPUtils() { }
+        public TCPUtils(string ipAddress, int port)
+        {
+            this.ipAddress = ipAddress;
+            this.port = port;
+        }
+
+        public TCPUtils(string ipAddress, int port,int timeout)
+        {
+            this.ipAddress = ipAddress;
+            this.port = port;
+            this.ConnectionTimeout = timeout;
+        }
+
+        public void Connect()
+        {
+            tcpClient = new TcpClient();
+            IAsyncResult asyncResult = tcpClient.BeginConnect(ipAddress, port, null, null);
+            if (!asyncResult.AsyncWaitHandle.WaitOne(connectTimeout))
+            {
+                throw new Exception("connection timed out");
+            }
+            tcpClient.EndConnect(asyncResult);
+            stream = tcpClient.GetStream();
+            stream.ReadTimeout = connectTimeout;
+            connected = true;
+        }
+
+        public void Connect(string ipAddress, int port)
+        {
+            tcpClient = new TcpClient();
+            IAsyncResult asyncResult = tcpClient.BeginConnect(ipAddress, port, null, null);
+            if (!asyncResult.AsyncWaitHandle.WaitOne(connectTimeout))
+            {
+                throw new Exception("connection timed out");
+            }
+            tcpClient.EndConnect(asyncResult);
+            stream = tcpClient.GetStream();
+            stream.ReadTimeout = connectTimeout;
+            connected = true;
+        }
+
+        public byte[] Send(byte[] sendData)
+        {
+            if (tcpClient == null)
+            {
+                throw new Exception("connection error");
+            }
+            if (!tcpClient.Client.Connected)
+            {
+                throw new Exception("connection error");
+            }
+            //连接成功
+            stream.Write(sendData, 0, sendData.Length);
+            byte[] revData = new byte[512];
+            int num = stream.Read(revData, 0, revData.Length);
+            return revData.Take(num).ToArray();
+        }
+
+        public void Disconnect()
+        {
+            if (stream != null)
+            {
+                stream.Close();
+            }
+            if (tcpClient != null)
+            {
+                tcpClient.Close();
+            }
+            connected = false;
+        }
+
+        ~TCPUtils()
+        {
+            if (tcpClient != null)
+            {
+                if (stream != null)
+                {
+                    stream.Close();
+                }
+                tcpClient.Close();
+            }
+        }
+
+        public bool Available(int timeout)
+        {
+            Ping ping = new Ping();
+            IPAddress address = System.Net.IPAddress.Parse(ipAddress);
+            string s = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
+            byte[] bytes = Encoding.ASCII.GetBytes(s);
+            PingReply pingReply = ping.Send(address, timeout, bytes);
+            if (pingReply.Status == IPStatus.Success)
+            {
+                return true;
+            }
+            return false;
+        }
+    }
+}