From 908a27a047aa86034a7596f2041a036eeb4f01be Mon Sep 17 00:00:00 2001
From: Zoltan Papp <zoltan.pmail@gmail.com>
Date: Fri, 4 Aug 2023 10:36:47 +0200
Subject: [PATCH] Add debug logs

---
 client/internal/wgproxy/proxy_ebpf.go      | 3 +++
 client/internal/wgproxy/proxy_userspace.go | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/client/internal/wgproxy/proxy_ebpf.go b/client/internal/wgproxy/proxy_ebpf.go
index f1b338407..f420dfbba 100644
--- a/client/internal/wgproxy/proxy_ebpf.go
+++ b/client/internal/wgproxy/proxy_ebpf.go
@@ -104,6 +104,7 @@ func (p *WGEBPFProxy) CloseConn() error {
 
 // Free resources
 func (p *WGEBPFProxy) Free() error {
+	log.Debugf("free up ebpf wg proxy")
 	var err1, err2, err3 error
 	if p.conn != nil {
 		err1 = p.conn.Close()
@@ -155,9 +156,11 @@ func (p *WGEBPFProxy) proxyToRemote() {
 
 		p.turnConnMutex.Lock()
 		conn, ok := p.turnConnStore[uint16(addr.Port)]
+		size := len(p.turnConnStore)
 		p.turnConnMutex.Unlock()
 		if !ok {
 			log.Errorf("turn conn not found by port: %d", addr.Port)
+			log.Debugf("conn store size: %d", size)
 			continue
 		}
 
diff --git a/client/internal/wgproxy/proxy_userspace.go b/client/internal/wgproxy/proxy_userspace.go
index f2411e976..b22707554 100644
--- a/client/internal/wgproxy/proxy_userspace.go
+++ b/client/internal/wgproxy/proxy_userspace.go
@@ -20,6 +20,7 @@ type WGUserSpaceProxy struct {
 
 // NewWGUserSpaceProxy instantiate a user space WireGuard proxy
 func NewWGUserSpaceProxy(wgPort int) *WGUserSpaceProxy {
+	log.Debugf("instantiate new userspace proxy")
 	p := &WGUserSpaceProxy{
 		localWGListenPort: wgPort,
 	}
@@ -37,6 +38,7 @@ func (p *WGUserSpaceProxy) AddTurnConn(remoteConn net.Conn) (net.Addr, error) {
 		log.Errorf("failed dialing to local Wireguard port %s", err)
 		return nil, err
 	}
+	log.Debugf("add turn conn: %s", remoteConn.RemoteAddr())
 
 	go p.proxyToRemote()
 	go p.proxyToLocal()