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一个完整的工程项目流程,长沙竞价优化,网络广告的收费模式有,凡客诚品是品牌吗目录 1.TCP服务端开发 2.部署环境 3.创建服务 4.测试连接 1.TCP服务端开发创建控制台程序，选择.NET 8.0框架运行时启动TCP服务监听 using LS.Standard.Helper.Logs; using UpdateServer;LogOperate.InitLog(1, AppDomain.CurrentDomain.BaseDirectory &quo…

1.TCP服务端开发

2.部署环境

3.创建服务

4.测试连接

1.TCP服务端开发

创建控制台程序，选择.NET 8.0框架

运行时启动TCP服务监听

using LS.Standard.Helper.Logs;
using UpdateServer;LogOperate.InitLog(1, AppDomain.CurrentDomain.BaseDirectory + "Logs\\");
TCP_Server.Start();while (true)
{string res = Console.ReadLine();if (res == "quit"){break;}
}

TCP服务端实现：

监听端口 13000

接收到消息，就原路返回处理的结果。

using System.Net;
using System.Net.Sockets;
using System.Text;namespace UpdateServer
{public static class TCP_Server{private static readonly List<TcpClient> _connectedClients = new();private static readonly object _lock = new();public static async Task Start(){const int port = 13000;TcpListener listener = new TcpListener(IPAddress.Any, port);listener.Start();Console.WriteLine($"TCP Server started. Listening on port {port}...");try{while (true){// 异步接收客户端连接TcpClient client = await listener.AcceptTcpClientAsync();lock (_lock){_connectedClients.Add(client);}// 为每个客户端启动独立处理任务_ = Task.Run(() => HandleClientAsync(client));}}catch (Exception ex){Console.WriteLine($"Server fatal error: {ex.Message}");}}private static async Task HandleClientAsync(TcpClient client){string clientId = client.Client.RemoteEndPoint?.ToString() ?? "Unknown";Console.WriteLine($"Client connected: {clientId}");try{using NetworkStream stream = client.GetStream();byte[] buffer = new byte[4096];while (client.Connected){// 异步读取数据int bytesRead = await stream.ReadAsync(buffer);if (bytesRead == 0) continue;string message = Encoding.UTF8.GetString(buffer, 0, bytesRead);//消息处理switch (message){case "UpdateServer":string res = UpdateExecute.Check();var data = Encoding.UTF8.GetBytes(res);SendToClientAsync(client, data);if (res == "OK"){//开始执行更新程序Task.Run(UpdateExecute.Execute);}break;}}}catch (IOException ex) when (ex.InnerException is SocketException se){Console.WriteLine($"Client {clientId} disconnected abruptly: {se.SocketErrorCode}");}finally{lock (_lock){_connectedClients.Remove(client);}client.Dispose();Console.WriteLine($"Client disconnected: {clientId}");}}// 广播消息给所有连接的客户端private static async Task BroadcastMessageAsync(string message){byte[] data = Encoding.UTF8.GetBytes(message);List<Task> sendTasks = new();lock (_lock){foreach (var client in _connectedClients.Where(c => c.Connected)){sendTasks.Add(SendToClientAsync(client, data));}}await Task.WhenAll(sendTasks);}private static async Task SendToClientAsync(TcpClient client, byte[] data){try{await client.GetStream().WriteAsync(data);}catch (Exception ex){Console.WriteLine($"Send error to {client.Client.RemoteEndPoint}: {ex.Message}");}}}
}

2.部署环境

下载.NET 8.0的SDK

复制到树莓派上，我这边使用的地址是：/home/administrator/dotnetFile/

放上去之后，可以使用名称检测库文件是否可用：

sudo /home/administrator/dotnetFile/dotnet --info

然后再将控制台程序文件拷贝上去

这边使用的目录是：/home/administrator/UpdateService/

这时候可以单独用命令运行程序，检测是否正常启动

sudo /home/administrator/dotnetFile/dotnet /home/administrator/UpdateService/UpdateServer.dll

3.创建服务

创建服务文件：sudo vim /etc/systemd/system/update.service

然后将服务启动相关配置写入，里边的路径修改一下

[Unit]
Description=My .NET Service
After=network.target  # 网络就绪后启动[Service]
Type=notify           # 使用.NET的systemd通知机制
WorkingDirectory=/home/administrator/UpdateService/
ExecStart=sudo /home/administrator/dotnetFile/dotnet  /home/administrator/UpdateService/UpdateServer.dll
Restart=always        # 崩溃时自动重启
RestartSec=10[Install]
WantedBy=multi-user.target # 多用户模式启用

再赋予权限： sudo chmod 777 /etc/systemd/system/update.service

接着重载服务配置：sudo systemctl daemon-reload

下面就可以启动服务了：

sudo systemctl start update.service      # 立即启动
sudo systemctl enable update.service     # 启用开机自启
systemctl status update.service         # 检查运行状态
journalctl -u myapp -f          # 实时查看日志（调试必备）