98 lines
2.6 KiB
Go
98 lines
2.6 KiB
Go
package controller
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import (
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"encoding/json"
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"fmt"
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"time"
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"be.ems/src/framework/i18n"
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"be.ems/src/framework/logger"
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"be.ems/src/framework/utils/ctx"
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"be.ems/src/framework/vo/result"
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neService "be.ems/src/modules/network_element/service"
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"github.com/gin-gonic/gin"
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)
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// ShellView 终端交互式文件内容查看
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//
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// GET /view
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func (s *WSController) ShellView(c *gin.Context) {
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language := ctx.AcceptLanguage(c)
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var query struct {
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NeType string `form:"neType" binding:"required"` // 网元类型
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NeId string `form:"neId" binding:"required"` // 网元标识id
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Cols int `form:"cols"` // 终端单行字符数
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Rows int `form:"rows"` // 终端显示行数
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}
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if err := c.ShouldBindQuery(&query); err != nil {
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c.JSON(400, result.CodeMsg(400, i18n.TKey(language, "app.common.err400")))
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return
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}
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if query.Cols < 120 || query.Cols > 400 {
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query.Cols = 120
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}
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if query.Rows < 40 || query.Rows > 1200 {
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query.Rows = 40
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}
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// 登录用户信息
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loginUser, err := ctx.LoginUser(c)
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if err != nil {
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c.JSON(401, result.CodeMsg(401, i18n.TKey(language, err.Error())))
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return
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}
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// 网元主机的SSH客户端
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sshClient, err := neService.NewNeInfo.NeRunSSHClient(query.NeType, query.NeId)
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if err != nil {
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c.JSON(200, result.ErrMsg(err.Error()))
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return
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}
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defer sshClient.Close()
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// ssh连接会话
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clientSession, err := sshClient.NewClientSession(query.Cols, query.Rows)
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if err != nil {
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c.JSON(200, result.ErrMsg("neinfo ssh client session new err"))
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return
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}
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defer clientSession.Close()
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// 将 HTTP 连接升级为 WebSocket 连接
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wsConn := s.wsService.UpgraderWs(c.Writer, c.Request)
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if wsConn == nil {
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return
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}
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defer wsConn.Close()
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wsClient := s.wsService.ClientCreate(loginUser.UserID, nil, wsConn, clientSession)
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go s.wsService.ClientWriteListen(wsClient)
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go s.wsService.ClientReadListen(wsClient, s.wsReceiveService.ShellView)
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// 等待1秒，排空首次消息
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time.Sleep(1 * time.Second)
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_ = clientSession.Read()
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// 实时读取SSH消息直接输出
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msTicker := time.NewTicker(100 * time.Millisecond)
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defer msTicker.Stop()
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for {
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select {
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case ms := <-msTicker.C:
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outputByte := clientSession.Read()
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if len(outputByte) > 0 {
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outputStr := string(outputByte)
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msgByte, _ := json.Marshal(result.Ok(map[string]any{
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"requestId": fmt.Sprintf("view_%d", ms.UnixMilli()),
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"data": outputStr,
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}))
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wsClient.MsgChan <- msgByte
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}
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case <-wsClient.StopChan: // 等待停止信号
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s.wsService.ClientClose(wsClient.ID)
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logger.Infof("ws Stop Client UID %s", wsClient.BindUid)
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return
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}
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}
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}
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