uquic/example/main.go
Marten Seemann 66f425f10e add a -tls flag to the example client and server
This will add the WIP TLS version as the preferred supported version. It
is intended for developing and testing of IETF QUIC.
2017-12-05 11:00:51 +07:00

172 lines
4.3 KiB
Go

package main
import (
"crypto/md5"
"errors"
"flag"
"fmt"
"io"
"io/ioutil"
"log"
"mime/multipart"
"net/http"
"path"
"runtime"
"strings"
"sync"
_ "net/http/pprof"
quic "github.com/lucas-clemente/quic-go"
"github.com/lucas-clemente/quic-go/h2quic"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/utils"
)
type binds []string
func (b binds) String() string {
return strings.Join(b, ",")
}
func (b *binds) Set(v string) error {
*b = strings.Split(v, ",")
return nil
}
// Size is needed by the /demo/upload handler to determine the size of the uploaded file
type Size interface {
Size() int64
}
func init() {
http.HandleFunc("/demo/tile", func(w http.ResponseWriter, r *http.Request) {
// Small 40x40 png
w.Write([]byte{
0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d,
0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x28,
0x01, 0x03, 0x00, 0x00, 0x00, 0xb6, 0x30, 0x2a, 0x2e, 0x00, 0x00, 0x00,
0x03, 0x50, 0x4c, 0x54, 0x45, 0x5a, 0xc3, 0x5a, 0xad, 0x38, 0xaa, 0xdb,
0x00, 0x00, 0x00, 0x0b, 0x49, 0x44, 0x41, 0x54, 0x78, 0x01, 0x63, 0x18,
0x61, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x01, 0xe2, 0xb8, 0x75, 0x22, 0x00,
0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82,
})
})
http.HandleFunc("/demo/tiles", func(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "<html><head><style>img{width:40px;height:40px;}</style></head><body>")
for i := 0; i < 200; i++ {
fmt.Fprintf(w, `<img src="/demo/tile?cachebust=%d">`, i)
}
io.WriteString(w, "</body></html>")
})
http.HandleFunc("/demo/echo", func(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
fmt.Printf("error reading body while handling /echo: %s\n", err.Error())
}
w.Write(body)
})
// accept file uploads and return the MD5 of the uploaded file
// maximum accepted file size is 1 GB
http.HandleFunc("/demo/upload", func(w http.ResponseWriter, r *http.Request) {
if r.Method == http.MethodPost {
err := r.ParseMultipartForm(1 << 30) // 1 GB
if err == nil {
var file multipart.File
file, _, err = r.FormFile("uploadfile")
if err == nil {
var size int64
if sizeInterface, ok := file.(Size); ok {
size = sizeInterface.Size()
b := make([]byte, size)
file.Read(b)
md5 := md5.Sum(b)
fmt.Fprintf(w, "%x", md5)
return
}
err = errors.New("couldn't get uploaded file size")
}
}
if err != nil {
utils.Infof("Error receiving upload: %#v", err)
}
}
io.WriteString(w, `<html><body><form action="/demo/upload" method="post" enctype="multipart/form-data">
<input type="file" name="uploadfile"><br>
<input type="submit">
</form></body></html>`)
})
}
func getBuildDir() string {
_, filename, _, ok := runtime.Caller(0)
if !ok {
panic("Failed to get current frame")
}
return path.Dir(filename)
}
func main() {
// defer profile.Start().Stop()
go func() {
log.Println(http.ListenAndServe("localhost:6060", nil))
}()
// runtime.SetBlockProfileRate(1)
verbose := flag.Bool("v", false, "verbose")
bs := binds{}
flag.Var(&bs, "bind", "bind to")
certPath := flag.String("certpath", getBuildDir(), "certificate directory")
www := flag.String("www", "/var/www", "www data")
tcp := flag.Bool("tcp", false, "also listen on TCP")
tls := flag.Bool("tls", false, "activate support for IETF QUIC (work in progress)")
flag.Parse()
if *verbose {
utils.SetLogLevel(utils.LogLevelDebug)
} else {
utils.SetLogLevel(utils.LogLevelInfo)
}
utils.SetLogTimeFormat("")
versions := protocol.SupportedVersions
if *tls {
versions = append([]protocol.VersionNumber{protocol.VersionTLS}, versions...)
}
certFile := *certPath + "/fullchain.pem"
keyFile := *certPath + "/privkey.pem"
http.Handle("/", http.FileServer(http.Dir(*www)))
if len(bs) == 0 {
bs = binds{"localhost:6121"}
}
var wg sync.WaitGroup
wg.Add(len(bs))
for _, b := range bs {
bCap := b
go func() {
var err error
if *tcp {
err = h2quic.ListenAndServe(bCap, certFile, keyFile, nil)
} else {
server := h2quic.Server{
Server: &http.Server{Addr: bCap},
QuicConfig: &quic.Config{Versions: versions},
}
err = server.ListenAndServeTLS(certFile, keyFile)
}
if err != nil {
fmt.Println(err)
}
wg.Done()
}()
}
wg.Wait()
}