clair/vendor/github.com/cockroachdb/cmux/example_tls_test.go

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// Copyright 2016 The CMux Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License.
package cmux_test
import (
"crypto/rand"
"crypto/tls"
"fmt"
"log"
"net"
"net/http"
"strings"
"github.com/cockroachdb/cmux"
)
type anotherHTTPHandler struct{}
func (h *anotherHTTPHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, "example http response")
}
func serveHTTP1(l net.Listener) {
s := &http.Server{
Handler: &anotherHTTPHandler{},
}
if err := s.Serve(l); err != cmux.ErrListenerClosed {
panic(err)
}
}
func serveHTTPS(l net.Listener) {
// Load certificates.
certificate, err := tls.LoadX509KeyPair("cert.pem", "key.pem")
if err != nil {
log.Panic(err)
}
config := &tls.Config{
Certificates: []tls.Certificate{certificate},
Rand: rand.Reader,
}
// Create TLS listener.
tlsl := tls.NewListener(l, config)
// Serve HTTP over TLS.
serveHTTP1(tlsl)
}
// This is an example for serving HTTP and HTTPS on the same port.
func Example_bothHTTPAndHTTPS() {
// Create the TCP listener.
l, err := net.Listen("tcp", "127.0.0.1:50051")
if err != nil {
log.Panic(err)
}
// Create a mux.
m := cmux.New(l)
// We first match on HTTP 1.1 methods.
httpl := m.Match(cmux.HTTP1Fast())
// If not matched, we assume that its TLS.
//
// Note that you can take this listener, do TLS handshake and
// create another mux to multiplex the connections over TLS.
tlsl := m.Match(cmux.Any())
go serveHTTP1(httpl)
go serveHTTPS(tlsl)
if err := m.Serve(); !strings.Contains(err.Error(), "use of closed network connection") {
panic(err)
}
}