package main

import (
	"log"
	"time"

	"github.com/gliderlabs/ssh"
)

var (
	DeadlineTimeout = 30 * time.Second
	IdleTimeout     = 10 * time.Second
)

func main() {
	ssh.Handle(func(s ssh.Session) {
		log.Println("new connection")
		i := 0
		for {
			i += 1
			log.Println("active seconds:", i)
			select {
			case <-time.After(time.Second):
				continue
			case <-s.Context().Done():
				log.Println("connection closed")
				return
			}
		}
	})

	log.Println("starting ssh server on port 2222...")
	log.Printf("connections will only last %s\n", DeadlineTimeout)
	log.Printf("and timeout after %s of no activity\n", IdleTimeout)
	server := &ssh.Server{
		Addr:        ":2222",
		MaxTimeout:  DeadlineTimeout,
		IdleTimeout: IdleTimeout,
	}
	log.Fatal(server.ListenAndServe())
}