1 /* 2 Copyright 2014-2021 Docker Inc. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package spdystream 18 19 import ( 20 "io" 21 "net/http" 22 ) 23 24 // MirrorStreamHandler mirrors all streams. 25 func MirrorStreamHandler(stream *Stream) { 26 replyErr := stream.SendReply(http.Header{}, false) 27 if replyErr != nil { 28 return 29 } 30 31 go func() { 32 io.Copy(stream, stream) 33 stream.Close() 34 }() 35 go func() { 36 for { 37 header, receiveErr := stream.ReceiveHeader() 38 if receiveErr != nil { 39 return 40 } 41 sendErr := stream.SendHeader(header, false) 42 if sendErr != nil { 43 return 44 } 45 } 46 }() 47 } 48 49 // NoopStreamHandler does nothing when stream connects. 50 func NoOpStreamHandler(stream *Stream) { 51 stream.SendReply(http.Header{}, false) 52 } 53