perf: ws模块telnet分开处理避免类型指针错误导致panic程序崩溃

src/framework/utils/telnet/telnet.go

@@ -50,10 +50,12 @@ func (c *ConnTelnet) NewClient() (*ConnTelnet, error) {
 	// fmt.Fprintln(client, c.User)
 	// fmt.Fprintln(client, c.Password)
 
-	c.Client = &client
-
 	// 调整窗口大小 (120 列 x 128 行)
-	requestPty(c.Client, 120, 128)
+	// 需要确保接收方理解并正确处理发送窗口大小设置命令
+	client.Write([]byte{255, 251, 31})
+	client.Write([]byte{255, 250, 31, byte(120 >> 8), byte(120 & 0xFF), byte(128 >> 8), byte(128 & 0xFF), 255, 240})
+
+	c.Client = &client
 
 	// 排空连接登录的信息
 	c.RunCMD("")
@@ -111,20 +113,9 @@ func (c *ConnTelnet) NewClientSession(cols, rows int) (*TelnetClientSession, err
 	if c.Client == nil {
 		return nil, fmt.Errorf("telnet client not connected")
 	}
-	requestPty(c.Client, cols, rows)
-	return &TelnetClientSession{
+	s := &TelnetClientSession{
 		Client: *c.Client,
-	}, nil
-}
-
-// requestPty 调整终端窗口大小
-func requestPty(client *net.Conn, cols, rows int) error {
-	if client == nil {
-		return fmt.Errorf("telnet client not connected")
 	}
-	conn := *client
-	// 需要确保接收方理解并正确处理发送窗口大小设置命令
-	conn.Write([]byte{255, 251, 31})
-	conn.Write([]byte{255, 250, 31, byte(cols >> 8), byte(cols & 0xFF), byte(rows >> 8), byte(rows & 0xFF), 255, 240})
-	return nil
+	s.WindowChange(cols, rows)
+	return s, nil
 }

src/framework/utils/telnet/telnet_session.go

@@ -19,6 +19,17 @@ func (s *TelnetClientSession) Close() {
 	}
 }
 
+// WindowChange informs the remote host about a terminal window dimension change to h rows and w columns.
+func (s *TelnetClientSession) WindowChange(h, w int) error {
+	if s.Client == nil {
+		return fmt.Errorf("client is nil to content write failed")
+	}
+	// 需要确保接收方理解并正确处理发送窗口大小设置命令
+	s.Client.Write([]byte{255, 251, 31})
+	s.Client.Write([]byte{255, 250, 31, byte(w >> 8), byte(w & 0xFF), byte(h >> 8), byte(h & 0xFF), 255, 240})
+	return nil
+}
+
 // Write 写入命令 不带回车(\n)也会执行根据客户端情况
 func (s *TelnetClientSession) Write(cmd string) (int, error) {
 	if s.Client == nil {