gor試してみたメモ

_作業ログ.md

gor test

install

$ wget https://github.com/buger/gor/releases/download/v0.10.1/gor_0.10.1_x64.tar.gz
$ tar zxvf gor_0.10.1_x64.tar.gz
$ mv ./gor /usr/local/bin/

準備

$ sudo setcap CAP_NET_RAW=ep gor

run

$ make start-server
$ make start-gor-case1
$ http localhost:8081

$ sudo ngrep -d lo -W byline port 8081
interface: lo (127.0.0.0/255.0.0.0)
filter: ( port 8081 ) and (ip or ip6)
######
T 127.0.0.1:45925 -> 127.0.0.1:8081 [AP]
GET / HTTP/1.1.
Host: localhost:8081.
Connection: keep-alive.
Accept-Encoding: gzip, deflate.
Accept: */*.
User-Agent: HTTPie/0.9.2.
.

##
T 127.0.0.1:8081 -> 127.0.0.1:45925 [AP]
HTTP/1.1 200 OK.
Date: Wed, 25 Nov 2015 13:37:42 GMT.
Content-Length: 7.
Content-Type: text/plain; charset=utf-8.
.
server1
####

$ sudo ngrep -d lo -W byline port 8082
interface: lo (127.0.0.0/255.0.0.0)
filter: ( port 8082 ) and (ip or ip6)
#
T 127.0.0.1:51706 -> 127.0.0.1:8082 [AP]
GET / HTTP/1.1.
Host: :8082.
Connection: keep-alive.
Accept-Encoding: gzip, deflate.
Accept: */*.
User-Agent: HTTPie/0.9.2.
.

#
T 127.0.0.1:8082 -> 127.0.0.1:51706 [AP]
HTTP/1.1 200 OK.
Date: Wed, 25 Nov 2015 13:40:49 GMT.
Content-Length: 7.
Content-Type: text/plain; charset=utf-8.
.
server2
#

---

!

• macは対応していない
  • https://github.com/buger/gor#faq
• gom使って落としてこようとしたら、あとソースからダウンロードしようとしたらこれにはまった
  • buger/goreplay#218
• urlの指定に注意
  • server1-bad.goみたいにlocalhostを省略するとreplayができない

Gomfile

gom "github.com/buger/gor"

Makefile

GO:=$(shell which go)
GOR:=$(shell which gor)
CWD:=$(shell pwd)

start-server: server1 server2

server1:
	$(GO) run server1.go &

server2:
	$(GO) run server2.go &

kill-server:
	pkill server1
	pkill server2

start-gor-case1:
	gor --input-raw :8081 --output-http :8082

start-gor-case2:
	gor --input-raw :8081 --output-http :8082 --verbose

server1-bad.go

package main

import (
	"fmt"
	"net/http"
)

type String string
func (s String) ServeHTTP (w http.ResponseWriter, r *http.Request) {
	fmt.Fprint(w, s)
}

func main() {
	http.Handle("/", String("server1"))
	http.ListenAndServe(":8081", nil)
}

server1.go

package main

import (
	"fmt"
	"net/http"
)

type String string
func (s String) ServeHTTP (w http.ResponseWriter, r *http.Request) {
	fmt.Fprint(w, s)
}

func main() {
	http.Handle("/", String("server1"))
	http.ListenAndServe("localhost:8081", nil)
}

server2.go

package main

import (
	"fmt"
	"net/http"
)

type String string
func (s String) ServeHTTP (w http.ResponseWriter, r *http.Request) {
	fmt.Fprint(w, s)
}

func main() {
	http.Handle("/", String("server2"))
	http.ListenAndServe("localhost:8082", nil)
}