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59 lines
1.6 KiB
59 lines
1.6 KiB
8 years ago
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/*
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* Minio Cloud Storage, (C) 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"io"
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"net/http"
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"net/rpc"
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miniohttp "github.com/minio/minio/pkg/http"
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)
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// ServeHTTP implements an http.Handler that answers RPC requests,
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// hijacks the underlying connection and clears all deadlines if any.
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func (server *rpcServer) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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if req.Method != http.MethodConnect {
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w.WriteHeader(http.StatusMethodNotAllowed)
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return
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}
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conn, _, err := w.(http.Hijacker).Hijack()
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if err != nil {
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errorIf(err, "rpc hijacking failed for: %s", req.RemoteAddr)
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return
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}
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// Overrides Read/Write deadlines if any.
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bufConn, ok := conn.(*miniohttp.BufConn)
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if ok {
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bufConn.RemoveTimeout()
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conn = bufConn
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}
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// Can connect to RPC service using HTTP CONNECT to rpcPath.
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io.WriteString(conn, "HTTP/1.0 200 Connected to Go RPC\n\n")
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server.ServeConn(conn)
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}
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type rpcServer struct{ *rpc.Server }
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// Similar to rpc.NewServer() provides a custom ServeHTTP override.
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func newRPCServer() *rpcServer {
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return &rpcServer{rpc.NewServer()}
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}
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