diff --git a/telnet/telnet.go b/telnet/telnet.go index 609f13d..a6bc7b9 100644 --- a/telnet/telnet.go +++ b/telnet/telnet.go @@ -1,19 +1,32 @@ +// Package telnet provides a function that starts a telnet session in a subprocess. package telnet import ( "fmt" "os" "os/exec" + + "tildegit.org/sloum/bombadillo/cui" ) +// StartSession starts a telnet session as a subprocess, connecting to the host +// and port specified. Telnet is run interactively as a subprocess until the +// process ends. It returns any errors from the telnet session. func StartSession(host string, port string) (string, error) { - // Case for telnet links c := exec.Command("telnet", host, port) c.Stdin = os.Stdin c.Stdout = os.Stdout c.Stderr = os.Stderr + // Clear the screen and position the cursor at the top left fmt.Print("\033[2J\033[0;0H") + // Defer reset and reinit of the terminal to prevent any changes from + // telnet carrying over to the client (or beyond...) + defer func() { + cui.Tput("reset") + cui.InitTerm() + }() + err := c.Run() if err != nil { return "", fmt.Errorf("Telnet error response: %s", err.Error()) @@ -21,4 +34,3 @@ func StartSession(host string, port string) (string, error) { return "Telnet session terminated", nil } -