go-ethereum/vendor/github.com/uber/jaeger-client-go/thrift/rich_transport.go

70 lines
1.7 KiB
Go

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 {
TTransport
}
// Wraps Transport to provide TRichTransport interface
func NewTRichTransport(trans TTransport) *RichTransport {
return &RichTransport{trans}
}
func (r *RichTransport) ReadByte() (c byte, err error) {
return readByte(r.TTransport)
}
func (r *RichTransport) WriteByte(c byte) error {
return writeByte(r.TTransport, c)
}
func (r *RichTransport) WriteString(s string) (n int, err error) {
return r.Write([]byte(s))
}
func (r *RichTransport) RemainingBytes() (num_bytes uint64) {
return r.TTransport.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
}