1// Copyright 2019 The gRPC Authors 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package http2interop 16 17import ( 18 "fmt" 19 "io" 20) 21 22type UnknownFrame struct { 23 Header FrameHeader 24 Data []byte 25} 26 27func (f *UnknownFrame) GetHeader() *FrameHeader { 28 return &f.Header 29} 30 31func (f *UnknownFrame) ParsePayload(r io.Reader) error { 32 raw := make([]byte, f.Header.Length) 33 if _, err := io.ReadFull(r, raw); err != nil { 34 return err 35 } 36 return f.UnmarshalPayload(raw) 37} 38 39func (f *UnknownFrame) UnmarshalPayload(raw []byte) error { 40 if f.Header.Length != len(raw) { 41 return fmt.Errorf("Invalid Payload length %d != %d", f.Header.Length, len(raw)) 42 } 43 44 f.Data = []byte(string(raw)) 45 46 return nil 47} 48 49func (f *UnknownFrame) MarshalPayload() ([]byte, error) { 50 return []byte(string(f.Data)), nil 51} 52 53func (f *UnknownFrame) MarshalBinary() ([]byte, error) { 54 f.Header.Length = len(f.Data) 55 buf, err := f.Header.MarshalBinary() 56 if err != nil { 57 return nil, err 58 } 59 60 payload, err := f.MarshalPayload() 61 if err != nil { 62 return nil, err 63 } 64 65 buf = append(buf, payload...) 66 67 return buf, nil 68} 69