replay-http.go

package main

import (
        "bufio"
        "bytes"
        "compress/gzip"
        "encoding/base64"
        "io"
        "log"
        "net/http"
        "os"
)

func main() {
        fh, err := os.Open("request-log.gz")
        if err != nil {
                log.Fatal(err)
        }
        gzreader, err := gzip.NewReader(fh)
        defer gzreader.Close()
        defer fh.Close()
        lr := bufio.NewReader(gzreader)
        for {
                line, err := lr.ReadBytes([]byte("\n")[0])
                if err == io.EOF {
                        os.Exit(0)
                }
                if err != nil {
                        log.Fatal(err)
                }
                line = line[0 : len(line)-1]
                decoded := make([]byte, base64.StdEncoding.DecodedLen(len(line)))
                _, err = base64.StdEncoding.Decode(decoded, line)
                if err != nil {
                        log.Fatal(err)
                }
                dbuf := bytes.NewBuffer(decoded)
                req, err := http.ReadRequest(bufio.NewReader(dbuf))
                if err != nil {
                        log.Fatal(err)
                }
                req.URL.Scheme = "http"
                req.URL.Host = "localhost:8082"
                req.RequestURI = ""
                resp, err := http.DefaultClient.Do(req)
                if err != nil {
                        log.Fatal(err)
                }
                respBuf := bytes.NewBuffer(nil)
                resp.Write(respBuf)
                log.Print(respBuf.String())
        }
}