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rich_transport.go
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/
rich_transport.go
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/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* 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 thrift
import "io"
type richTransport struct {
Transport
}
// Wraps Transport to provide RichTransport interface
func NewRichTransport(trans Transport) RichTransport {
return &richTransport{trans}
}
func (r *richTransport) ReadByte() (c byte, err error) {
return readByte(r.Transport)
}
func (r *richTransport) WriteByte(c byte) error {
return writeByte(r.Transport, c)
}
func (r *richTransport) WriteString(s string) (n int, err error) {
return r.Write([]byte(s))
}
func (r *richTransport) RemainingBytes() uint64 {
return r.Transport.RemainingBytes()
}
func readByte(r io.Reader) (c byte, err error) {
v := [1]byte{0}
n, err := r.Read(v[0:1])
if n > 0 && (err == nil || err == io.EOF) {
return v[0], nil
}
if n > 0 && err != nil {
return v[0], err
}
if err != nil {
return 0, err
}
return v[0], nil
}
func writeByte(w io.Writer, c byte) error {
v := [1]byte{c}
_, err := w.Write(v[0:1])
return err
}