59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
/*
|
|
* Minio Cloud Storage, (C) 2017 Minio, Inc.
|
|
*
|
|
* 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 cmd
|
|
|
|
import (
|
|
"io"
|
|
"net/http"
|
|
"net/rpc"
|
|
|
|
miniohttp "github.com/minio/minio/pkg/http"
|
|
)
|
|
|
|
// ServeHTTP implements an http.Handler that answers RPC requests,
|
|
// hijacks the underlying connection and clears all deadlines if any.
|
|
func (server *rpcServer) ServeHTTP(w http.ResponseWriter, req *http.Request) {
|
|
if req.Method != http.MethodConnect {
|
|
w.WriteHeader(http.StatusMethodNotAllowed)
|
|
return
|
|
}
|
|
|
|
conn, _, err := w.(http.Hijacker).Hijack()
|
|
if err != nil {
|
|
errorIf(err, "rpc hijacking failed for: %s", req.RemoteAddr)
|
|
return
|
|
}
|
|
|
|
// Overrides Read/Write deadlines if any.
|
|
bufConn, ok := conn.(*miniohttp.BufConn)
|
|
if ok {
|
|
bufConn.RemoveTimeout()
|
|
conn = bufConn
|
|
}
|
|
|
|
// Can connect to RPC service using HTTP CONNECT to rpcPath.
|
|
io.WriteString(conn, "HTTP/1.0 200 Connected to Go RPC\n\n")
|
|
server.ServeConn(conn)
|
|
}
|
|
|
|
type rpcServer struct{ *rpc.Server }
|
|
|
|
// Similar to rpc.NewServer() provides a custom ServeHTTP override.
|
|
func newRPCServer() *rpcServer {
|
|
return &rpcServer{rpc.NewServer()}
|
|
}
|