添加ComPort 推送服务

2024-03-29 17:34:14 +08:00
parent 13b1914db8
commit 3c310ebffc
15 changed files with 587 additions and 127 deletions
@@ -0,0 +1,136 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO.Ports;
+using Jint;
+using Jint.Runtime;
+using System.Windows.Forms;
+
+namespace BarrageGrab
+{
+    public class ComPortServer : IDisposable
+    {
+        WsBarrageServer server;
+        SerialPort sendPort;
+        static Engine jsEngine = null;
+
+        static ComPortServer()
+        {
+            if (AppSetting.Current.UseComPortFilter)
+            {
+                jsEngine = JsEngine.CreateNewEngine();
+                var jsFile = JsEngine.GetJsFile("comPortFilter.js");
+                jsEngine.Execute(jsFile);
+            }
+        }
+
+        public ComPortServer(WsBarrageServer server)
+        {
+            string portName = AppSetting.Current.ComPort;
+            int baudRate = AppSetting.Current.ComBaudRate;
+            if (portName.IsNullOrWhiteSpace())
+            {
+                return;
+                //throw new ArgumentNullException(nameof(portName));
+            }
+            this.server = server;
+            server.OnPackMessage += Server_OnPackMessage;
+            server.OnClose += Server_OnClose;
+            sendPort = new SerialPort(portName, baudRate);
+        }
+
+        private void Server_OnClose(object sender, EventArgs e)
+        {
+            this.Dispose();
+        }
+
+        private void Server_OnPackMessage(WsBarrageServer sender, WsBarrageServer.PackMsgEventArgs e)
+        {
+            if (!sendPort.IsOpen) return;
+            if (e == null) return;
+            if (!AppSetting.Current.UseComPortFilter)
+            {
+                var json = e.ToJson() + "\r\n";
+                var jbuff = Encoding.UTF8.GetBytes(json);
+                Send(jbuff);
+                return;
+            }
+            var result = jsEngine.Invoke("onPackData", e.MsgType.GetHashCode(), e.Message);
+            var nocanTypes = new Types[]
+            {
+                Types.Null,
+                Types.Undefined,
+                Types.Empty,
+                Types.Symbol
+            };
+            if (nocanTypes.Contains(result.Type)) return;
+            Func<string, byte[]> encode = (str) => Encoding.UTF8.GetBytes(str);
+
+            byte[] buff = new byte[0];
+            switch (result.Type)
+            {
+                case Types.Boolean:
+                    buff = encode(result.AsBoolean().ToString().ToLower());
+                    break;
+                case Types.String:
+                    buff = encode(result.AsString());
+                    break;
+                case Types.BigInt:
+                case Types.Number:
+                    buff = BitConverter.GetBytes(result.AsNumber());
+                    break;
+                case Types.Object:
+                    if (result.ToObject() is byte[])
+                    {
+                        buff = result.AsArrayBuffer();
+                    }
+                    break;
+                default:
+                    break;
+            }
+
+            if (buff.Length == 0) return;
+            Send(buff);
+        }
+
+        //发送数据包
+        private void Send(byte[] buff)
+        {
+            lock (this.sendPort)
+            {
+                sendPort.Write(buff, 0, buff.Length);
+            }
+        }
+
+        /// <summary>
+        /// 打开串口并开始接收写入数据
+        /// </summary>
+        public void OpenStart()
+        {
+            if (sendPort == null) throw new Exception("未成功初始化串口对象，请检查配置文件");
+            try
+            {
+                sendPort.Open();
+            }
+            catch (Exception ex)
+            {                
+                sendPort.Close();
+                sendPort.Dispose();
+                sendPort = null;                
+                throw ex;
+            }
+        }
+
+        
+        public void Dispose()
+        {
+            if (sendPort == null) return;
+            sendPort.Close();
+            sendPort.Dispose();
+            sendPort = null;
+            jsEngine.Dispose();
+        }
+    }
+}