Replay HTTP traffic to multiple servers
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replay.go
replay_test.go

README.md

replay Build Status GoDoc API Coverage Status Go Report Card

Replay HTTP traffic to multiple servers easily.

Installation

go get -u gopkg.in/vinxi/replay.v0

API

See godoc reference.

Examples

Replay to multiple servers

package main

import (
  "fmt"
  "gopkg.in/vinxi/replay.v0"
  "gopkg.in/vinxi/vinxi.v0"
  "net/http"
)

func main() {
  vs := vinxi.NewServer(vinxi.ServerOptions{Host: "localhost", Port: 3100})

  handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    fmt.Printf("Replay server reached: %s => %s\n", r.RemoteAddr, r.URL.String())
    w.Write([]byte("replay server"))
  })

  srv1 := &http.Server{Addr: "localhost:3123"}
  srv2 := &http.Server{Addr: "localhost:3124"}
  srv1.Handler = handler
  srv2.Handler = handler

  go srv1.ListenAndServe()
  go srv2.ListenAndServe()

  replayer := replay.New("http://localhost:3123", "http://localhost:3124")
  replayer.SetHandler(func(err error, res *http.Response, req *http.Request) {
    if err != nil {
      fmt.Printf("Replay error: %s => %s\n", req.URL.String(), err)
      return
    }
    fmt.Printf("Replay response: %s => %d\n", req.URL.String(), res.StatusCode)
  })

  vs.Use(replayer)
  vs.Forward("http://httpbin.org")

  fmt.Printf("Server listening on port: %d\n", 3100)
  err := vs.Listen()
  if err != nil {
    fmt.Printf("Error: %s\n", err)
  }
}

License

MIT