From 4e9dffe5adb8527ba22afd56e9a1ebf03406f874 Mon Sep 17 00:00:00 2001
From: Evan Burkey <evan@burkey.co>
Date: Mon, 7 Nov 2022 10:30:51 -0800
Subject: [PATCH 1/2] add readout, remove localhost

---
 cmd/smoketest/main.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cmd/smoketest/main.go b/cmd/smoketest/main.go
index 0ec2dde..3b86a2e 100644
--- a/cmd/smoketest/main.go
+++ b/cmd/smoketest/main.go
@@ -7,20 +7,19 @@ import (
 )
 
 const (
-	connHost = "localhost"
 	connPort = "3030"
 	connType = "tcp"
 )
 
 func main() {
-	l, err := net.Listen(connType, connHost+":"+connPort)
+	l, err := net.Listen(connType, ":"+connPort)
 	if err != nil {
 		fmt.Printf("net.Listen fail: %v\n", err)
 		os.Exit(1)
 	}
 	defer l.Close()
 
-	fmt.Println(fmt.Sprintf("Listening on %s:%s", connHost, connPort))
+	fmt.Println(fmt.Sprintf("Listening on port %s", connPort))
 
 	for {
 		conn, err := l.Accept()
@@ -34,6 +33,7 @@ func main() {
 func handleRequest(conn net.Conn) {
 	buf := make([]byte, 1024)
 	_, err := conn.Read(buf)
+	fmt.Printf("read in %s.\nSending it back\n", string(buf))
 	if err != nil {
 		fmt.Printf("Error reading: %v\n", err)
 	}

From 203c3b970459c84ee6c441521b852b1d27f1d612 Mon Sep 17 00:00:00 2001
From: Evan Burkey <evan@burkey.co>
Date: Mon, 7 Nov 2022 10:43:37 -0800
Subject: [PATCH 2/2] cleanup handleRequest

---
 cmd/smoketest/main.go | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/cmd/smoketest/main.go b/cmd/smoketest/main.go
index 3b86a2e..10f924b 100644
--- a/cmd/smoketest/main.go
+++ b/cmd/smoketest/main.go
@@ -2,19 +2,21 @@ package main
 
 import (
 	"fmt"
+	"io"
+	"log"
 	"net"
 	"os"
 )
 
 const (
 	connPort = "3030"
-	connType = "tcp"
+	connType = "tcp4"
 )
 
 func main() {
 	l, err := net.Listen(connType, ":"+connPort)
 	if err != nil {
-		fmt.Printf("net.Listen fail: %v\n", err)
+		log.Fatalln(err)
 		os.Exit(1)
 	}
 	defer l.Close()
@@ -24,19 +26,15 @@ func main() {
 	for {
 		conn, err := l.Accept()
 		if err != nil {
-			fmt.Printf("Error accepting: %v\n", err)
+			log.Fatalln(err)
 		}
 		go handleRequest(conn)
 	}
 }
 
 func handleRequest(conn net.Conn) {
-	buf := make([]byte, 1024)
-	_, err := conn.Read(buf)
-	fmt.Printf("read in %s.\nSending it back\n", string(buf))
-	if err != nil {
-		fmt.Printf("Error reading: %v\n", err)
+	defer conn.Close()
+	if _, err := io.Copy(conn, conn); err != nil {
+		log.Fatalln(err)
 	}
-	conn.Write(buf)
-	conn.Close()
 }