From 652ffe37cc54ce7e033a8eb09961ae47693b65ec Mon Sep 17 00:00:00 2001
From: Sergey Stepanov <sergystepanov@gmail.com>
Date: Sat, 4 Feb 2023 20:32:16 +0300
Subject: [PATCH] Do not track DTLS errors (client disconnect) on WebRTC close

---
 go.mod                       | 2 +-
 pkg/network/webrtc/webrtc.go | 8 +-------
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/go.mod b/go.mod
index a2905e1d..a45fb5c3 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,6 @@ require (
 	github.com/gofrs/flock v0.8.1
 	github.com/gorilla/websocket v1.5.0
 	github.com/kkyr/fig v0.3.1-0.20220103220255-711af35e3ee2
-	github.com/pion/dtls/v2 v2.1.5
 	github.com/pion/interceptor v0.1.12
 	github.com/pion/logging v0.2.2
 	github.com/pion/webrtc/v3 v3.1.51
@@ -28,6 +27,7 @@ require (
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pion/datachannel v1.5.5 // indirect
+	github.com/pion/dtls/v2 v2.1.5 // indirect
 	github.com/pion/ice/v2 v2.2.13 // indirect
 	github.com/pion/mdns v0.0.5 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
diff --git a/pkg/network/webrtc/webrtc.go b/pkg/network/webrtc/webrtc.go
index 5cc9ce15..39ea1f47 100644
--- a/pkg/network/webrtc/webrtc.go
+++ b/pkg/network/webrtc/webrtc.go
@@ -1,12 +1,10 @@
 package webrtc
 
 import (
-	"errors"
 	"fmt"
 	"strings"
 
 	"github.com/giongto35/cloud-game/v2/pkg/logger"
-	"github.com/pion/dtls/v2"
 	"github.com/pion/webrtc/v3"
 	"github.com/pion/webrtc/v3/pkg/media"
 )
@@ -28,7 +26,6 @@ func New(log *logger.Logger, api *ApiFactory) *Peer { return &Peer{api: api, log
 
 func (p *Peer) NewCall(vCodec, aCodec string, onICECandidate func(ice any)) (sdp any, err error) {
 	if p.IsConnected() {
-		p.log.Warn().Msg("Strange multiple init connection calls with the same peer")
 		return
 	}
 	p.log.Info().Msg("WebRTC start")
@@ -170,11 +167,8 @@ func (p *Peer) Disconnect() {
 	if p.conn == nil {
 		return
 	}
-
 	if p.conn.ConnectionState() < webrtc.PeerConnectionStateDisconnected {
-		if err := p.conn.Close(); err != nil && !errors.Is(err, dtls.ErrConnClosed) {
-			p.log.Error().Err(err).Msg("WebRTC close")
-		}
+		_ = p.conn.Close()
 	}
 	p.conn = nil
 	p.log.Debug().Msg("WebRTC stop")