以下是一个使用quic-go
库创建简单QUIC服务器的示例代码:
package main
import (
"context"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"crypto/tls"
"fmt"
"github.com/lucas-clemente/quic-go"
"io"
"net"
"os"
)
// 生成用于QUIC服务的随机私钥和自签名证书
func generateSelfSignedCert() (*tls.Certificate, error) {
priv, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return nil, err
}
template := x509.Certificate{
SerialNumber: x509.NewSerialNumber(rand.Reader),
NotBefore: x509.Now(),
SignatureAlgorithm: x509.SHA256WithRSA,
NotAfter: x509.Now().Add(365 * 24 * time.Hour),
BasicConstraintsValid: true,
}
certDER, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
if err != nil {
return nil, err
}
return &tls.Certificate{
Certificate: [][]byte{certDER},
PrivateKey: priv,
}, nil
}
// 简单的QUIC服务器,接受连接并接收数据
func main() {
// 生成证书
cert, err := generateSelfSignedCert()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
// 监听UDP端口
listener, err := net.ListenUDP("udp", &net.UDPAddr{
IP: net.IPv4(0, 0, 0, 0),
Port: 12345,
})
if err != nil {
fmt.Println(err)
os.Exit(1)
}
defer listener.Close()
fmt.Println("Listening on", listener.LocalAddr())
// 创建QUIC服务器
server := &http3.Server{
Server: &http.Server{
Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "Hello, World!")
}),
},
QuicConfig: &quic.Config{
AcceptCookie: func(clientAddr net.Addr, cookie *quic.Cookie) bool {
// 接受所有cookie
return true
},
},
TLSConfig: &tls.Config{
Certificates: []tls.Certificate{*cert},
},
}
// 处理接收到的QUIC连接
for {
sess, err := server.Accept(listener)
if err != nil {
fmt.Println(err)
continue
}
go func() {
defer sess.Close()
err := sess.Handshake()
if err != nil {
fmt.Println(err)
return
}
fmt.Println("New connection:", sess.RemoteAddr())
// 读取和处理请求
for {
stream, err := sess.AcceptStream(context.Background())
if err != nil {
fmt.Println(err)
return
}
go func(stream quic