Girish Kumar | 46d7c3a | 2020-05-18 12:06:33 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | |
| 20 | package thrift |
| 21 | |
| 22 | import "io" |
| 23 | |
| 24 | type RichTransport struct { |
| 25 | TTransport |
| 26 | } |
| 27 | |
| 28 | // Wraps Transport to provide TRichTransport interface |
| 29 | func NewTRichTransport(trans TTransport) *RichTransport { |
| 30 | return &RichTransport{trans} |
| 31 | } |
| 32 | |
| 33 | func (r *RichTransport) ReadByte() (c byte, err error) { |
| 34 | return readByte(r.TTransport) |
| 35 | } |
| 36 | |
| 37 | func (r *RichTransport) WriteByte(c byte) error { |
| 38 | return writeByte(r.TTransport, c) |
| 39 | } |
| 40 | |
| 41 | func (r *RichTransport) WriteString(s string) (n int, err error) { |
| 42 | return r.Write([]byte(s)) |
| 43 | } |
| 44 | |
| 45 | func (r *RichTransport) RemainingBytes() (num_bytes uint64) { |
| 46 | return r.TTransport.RemainingBytes() |
| 47 | } |
| 48 | |
| 49 | func readByte(r io.Reader) (c byte, err error) { |
| 50 | v := [1]byte{0} |
| 51 | n, err := r.Read(v[0:1]) |
| 52 | if n > 0 && (err == nil || err == io.EOF) { |
| 53 | return v[0], nil |
| 54 | } |
| 55 | if n > 0 && err != nil { |
| 56 | return v[0], err |
| 57 | } |
| 58 | if err != nil { |
| 59 | return 0, err |
| 60 | } |
| 61 | return v[0], nil |
| 62 | } |
| 63 | |
| 64 | func writeByte(w io.Writer, c byte) error { |
| 65 | v := [1]byte{c} |
| 66 | _, err := w.Write(v[0:1]) |
| 67 | return err |
| 68 | } |
| 69 | |