添加系统更新操作和设置删除日志频率

back/services/sock.ts

@@ -0,0 +1,33 @@
+import { Service, Inject } from 'typedi';
+import winston from 'winston';
+import { Connection } from 'sockjs';
+
+@Service()
+export default class SockService {
+  private clients: Connection[] = [];
+
+  constructor(@Inject('logger') private logger: winston.Logger) {}
+
+  public getClients() {
+    return this.clients;
+  }
+
+  public addClient(conn: Connection) {
+    if (this.clients.indexOf(conn) === -1) {
+      this.clients.push(conn);
+    }
+  }
+
+  public removeClient(conn: Connection) {
+    const index = this.clients.indexOf(conn);
+    if (index !== -1) {
+      this.clients.splice(index, 1);
+    }
+  }
+
+  public sendMessage(msg: string) {
+    this.clients.forEach((x) => {
+      x.write(msg);
+    });
+  }
+}