Method Daemon

internal/nodes/node.go:249–299

Daemon 实现守护进程

()

// Daemon 实现守护进程
func (this *Node) Daemon() {
	var isDebug = lists.ContainsString(os.Args, "debug")
	for {
		conn, err := this.sock.Dial()
		if err != nil {
			if isDebug {
				log.Println("[DAEMON]starting ...")
			}

			// 尝试启动
			err = func() error {
				exe, err := os.Executable()
				if err != nil {
					return err
				}

				// 可以标记当前是从守护进程启动的
				_ = os.Setenv("EdgeDaemon", "on")
				_ = os.Setenv("EdgeBackground", "on")

				var cmd = exec.Command(exe)
				var buf = &bytes.Buffer{}
				cmd.Stderr = buf
				err = cmd.Start()
				if err != nil {
					return err
				}
				err = cmd.Wait()
				if err != nil {
					if isDebug {
						log.Println("[DAEMON]" + buf.String())
					}
					return err
				}
				return nil
			}()

			if err != nil {
				if isDebug {
					log.Println("[DAEMON]", err)
				}
				time.Sleep(1 * time.Second)
			} else {
				time.Sleep(5 * time.Second)
			}
		} else {
			_ = conn.Close()
			time.Sleep(5 * time.Second)
		}
	}
}

// InstallSystemService 安装系统服务
func (this *Node) InstallSystemService() error {