tun2: add logging calls to client connections

lib/tun2/client.go

@@ -4,6 +4,7 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"errors"
+	"log"
 	"net"
 	"net/http"
 	"net/http/httputil"
@@ -76,6 +77,8 @@ func (c *Client) connect(serverAddr string) error {
 	}
 	defer conn.Close()
 
+	log.Printf("tun2: connected to %s (%v)", conn.RemoteAddr(), c.cfg.ConnType)
+
 	session, err := smux.Client(conn, smux.DefaultConfig())
 	if err != nil {
 		return err
@@ -100,6 +103,8 @@ func (c *Client) connect(serverAddr string) error {
 		return err
 	}
 
+	log.Println("tun2: client set up and waiting for requests")
+
 	err = s.Serve(&smuxListener{
 		conn:    conn,
 		session: session,