From a9c48511137f75ef4d54e33ca5fb53c5e8a379f7 Mon Sep 17 00:00:00 2001
From: David Zhao <david@davidzhao.com>
Date: Wed, 28 Jul 2021 21:33:34 -0700
Subject: [PATCH] Fix external IP discovery. fix LeaveRequest during server
 disconnect (#72)

---
 pkg/config/ip.go           | 6 +++++-
 pkg/service/roommanager.go | 4 ++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/pkg/config/ip.go b/pkg/config/ip.go
index c95f80a00..0cbb41a56 100644
--- a/pkg/config/ip.go
+++ b/pkg/config/ip.go
@@ -13,7 +13,11 @@ import (
 
 func (conf *Config) determineIP() (string, error) {
 	if conf.RTC.UseExternalIP {
-		ip, err := GetExternalIP(conf.RTC.StunServers)
+		stunServers := conf.RTC.StunServers
+		if len(stunServers) == 0 {
+			stunServers = DEFAULT_STUN_SERVERS
+		}
+		ip, err := GetExternalIP(stunServers)
 		if err == nil {
 			return ip, nil
 		} else {
diff --git a/pkg/service/roommanager.go b/pkg/service/roommanager.go
index 7ba050153..f0590b84e 100644
--- a/pkg/service/roommanager.go
+++ b/pkg/service/roommanager.go
@@ -255,8 +255,8 @@ func (r *RoomManager) StartSession(roomName string, pi routing.ParticipantInit,
 		}
 	} else if pi.Reconnect {
 		// send leave request if participant is trying to reconnect but missing from the room
-		if err = responseSink.WriteMessage(&livekit.SignalRequest{
-			Message: &livekit.SignalRequest_Leave{
+		if err = responseSink.WriteMessage(&livekit.SignalResponse{
+			Message: &livekit.SignalResponse_Leave{
 				Leave: &livekit.LeaveRequest{
 					CanReconnect: true,
 				},