mirror of
https://github.com/soheilhy/cmux.git
synced 2024-11-14 11:31:28 +08:00
124 lines
2.7 KiB
Go
124 lines
2.7 KiB
Go
// 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"
|
|
"net/rpc"
|
|
"strings"
|
|
|
|
"github.com/soheilhy/cmux"
|
|
)
|
|
|
|
type recursiveHTTPHandler struct{}
|
|
|
|
func (h *recursiveHTTPHandler) ServeHTTP(w http.ResponseWriter,
|
|
r *http.Request) {
|
|
|
|
fmt.Fprintf(w, "example http response")
|
|
}
|
|
|
|
func recursiveServeHTTP(l net.Listener) {
|
|
s := &http.Server{
|
|
Handler: &recursiveHTTPHandler{},
|
|
}
|
|
if err := s.Serve(l); err != cmux.ErrListenerClosed {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func tlsListener(l net.Listener) 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)
|
|
return tlsl
|
|
}
|
|
|
|
type RecursiveRPCRcvr struct{}
|
|
|
|
func (r *RecursiveRPCRcvr) Cube(i int, j *int) error {
|
|
*j = i * i
|
|
return nil
|
|
}
|
|
|
|
func recursiveServeRPC(l net.Listener) {
|
|
s := rpc.NewServer()
|
|
if err := s.Register(&RecursiveRPCRcvr{}); err != nil {
|
|
panic(err)
|
|
}
|
|
for {
|
|
conn, err := l.Accept()
|
|
if err != nil {
|
|
if err != cmux.ErrListenerClosed {
|
|
panic(err)
|
|
}
|
|
return
|
|
}
|
|
go s.ServeConn(conn)
|
|
}
|
|
}
|
|
|
|
// This is an example for serving HTTP, HTTPS, and GoRPC/TLS on the same port.
|
|
func Example_recursiveCmux() {
|
|
// Create the TCP listener.
|
|
l, err := net.Listen("tcp", "127.0.0.1:50051")
|
|
if err != nil {
|
|
log.Panic(err)
|
|
}
|
|
|
|
// Create a mux.
|
|
tcpm := cmux.New(l)
|
|
|
|
// We first match on HTTP 1.1 methods.
|
|
httpl := tcpm.Match(cmux.HTTP1Fast())
|
|
|
|
// If not matched, we assume that its TLS.
|
|
tlsl := tcpm.Match(cmux.Any())
|
|
tlsl = tlsListener(tlsl)
|
|
|
|
// Now, we build another mux recursively to match HTTPS and GoRPC.
|
|
// You can use the same trick for SSH.
|
|
tlsm := cmux.New(tlsl)
|
|
httpsl := tlsm.Match(cmux.HTTP1Fast())
|
|
gorpcl := tlsm.Match(cmux.Any())
|
|
go recursiveServeHTTP(httpl)
|
|
go recursiveServeHTTP(httpsl)
|
|
go recursiveServeRPC(gorpcl)
|
|
|
|
go func() {
|
|
if err := tlsm.Serve(); err != cmux.ErrListenerClosed {
|
|
panic(err)
|
|
}
|
|
}()
|
|
if err := tcpm.Serve(); !strings.Contains(err.Error(), "use of closed network connection") {
|
|
panic(err)
|
|
}
|
|
}
|