From 0fefc0f6c69663615025074ac2184508802d4b9d Mon Sep 17 00:00:00 2001
From: Marin Ivanov <dev@metala.org>
Date: Wed, 16 Apr 2025 19:18:02 +0300
Subject: better logging

---
 Dockerfile        |  2 +-
 handle.go         | 14 ++++++--------
 main.go           |  2 +-
 setuid_unix.go    |  1 +
 setuid_windows.go |  1 +
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 4052183..0c084b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.12-alpine as builder
+FROM golang:1.12-alpine AS builder
 WORKDIR /app
 COPY . /app
 RUN apk add --no-cache git make \
diff --git a/handle.go b/handle.go
index c153b7d..92301be 100644
--- a/handle.go
+++ b/handle.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"log"
 	"net"
 	"time"
 )
@@ -20,15 +21,12 @@ func protocolHandler(proto string) (protoHandler, uint16, error) {
 	}
 }
 
-func logConn(conn net.Conn, msg string) {
-	now := time.Now().UTC()
-	fmt.Printf("%s, %s, %s\n", now.String(), conn.RemoteAddr().String(), msg)
-}
-
-func connHandler(handler protoHandler, conn net.Conn, delay time.Duration) {
+func connHandler(proto string, handler protoHandler, conn net.Conn, delay time.Duration) {
 	defer conn.Close()
 
-	logConn(conn, "handling")
+	start := time.Now()
+	log.Printf("%s handling %s", conn.RemoteAddr().String(), proto)
 	handler(conn, delay)
-	logConn(conn, "closing")
+	duration := time.Since(start)
+	log.Printf("%s ended %s lasted for %s", conn.RemoteAddr().String(), proto, duration)
 }
diff --git a/main.go b/main.go
index 8aa9e96..067e0dc 100644
--- a/main.go
+++ b/main.go
@@ -67,7 +67,7 @@ func main() {
 		if err != nil {
 			continue
 		}
-		go connHandler(handler, conn, delay)
+		go connHandler(protocol, handler, conn, delay)
 	}
 }
 
diff --git a/setuid_unix.go b/setuid_unix.go
index 8782a48..5db6746 100644
--- a/setuid_unix.go
+++ b/setuid_unix.go
@@ -1,3 +1,4 @@
+//go:build linux || darwin
 // +build linux darwin
 
 package main
diff --git a/setuid_windows.go b/setuid_windows.go
index 277ed12..e818eb8 100644
--- a/setuid_windows.go
+++ b/setuid_windows.go
@@ -1,3 +1,4 @@
+//go:build windows
 // +build windows
 
 package main
-- 
cgit v1.2.3