add a client and server implementation for the interop test runner

interop/server/main.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net"
+	"net/http"
+	"os"
+
+	"github.com/lucas-clemente/quic-go"
+	"github.com/lucas-clemente/quic-go/http3"
+	"github.com/lucas-clemente/quic-go/internal/testdata"
+	"github.com/lucas-clemente/quic-go/interop/http09"
+)
+
+func main() {
+	logFile, err := os.Create("/logs/log.txt")
+	if err != nil {
+		fmt.Printf("Could not create log file: %s\n", err.Error())
+		os.Exit(1)
+	}
+	defer logFile.Close()
+	log.SetOutput(logFile)
+
+	testcase := os.Getenv("TESTCASE")
+
+	// a quic.Config that doesn't do a Retry
+	quicConf := &quic.Config{
+		AcceptToken: func(_ net.Addr, _ *quic.Token) bool { return true },
+	}
+
+	switch testcase {
+	case "handshake", "transfer":
+		err = runHTTP09Server(quicConf)
+	case "retry":
+		// By default, quic-go performs a Retry on every incoming connection.
+		quicConf.AcceptToken = nil
+		err = runHTTP09Server(quicConf)
+	case "http3":
+		err = runHTTP3Server(quicConf)
+	default:
+		fmt.Printf("unsupported test case: %s\n", testcase)
+		os.Exit(127)
+	}
+
+	if err != nil {
+		fmt.Printf("Error running server: %s\n", err.Error())
+		os.Exit(1)
+	}
+}
+
+func runHTTP09Server(quicConf *quic.Config) error {
+	server := http09.Server{
+		Server: &http.Server{
+			Addr:      "0.0.0.0:443",
+			TLSConfig: testdata.GetTLSConfig(),
+		},
+		QuicConfig: quicConf,
+	}
+	http.DefaultServeMux.Handle("/", http.FileServer(http.Dir("/www")))
+	return server.ListenAndServe()
+}
+
+func runHTTP3Server(quicConf *quic.Config) error {
+	server := http3.Server{
+		Server: &http.Server{
+			Addr:      "0.0.0.0:443",
+			TLSConfig: testdata.GetTLSConfig(),
+		},
+		QuicConfig: quicConf,
+	}
+	http.DefaultServeMux.Handle("/", http.FileServer(http.Dir("/www")))
+	return server.ListenAndServe()
+}