/
memory_buffer.go
62 lines (51 loc) · 1.47 KB
/
memory_buffer.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 (
"bytes"
)
// Memory buffer-based implementation of the Transport interface.
type MemoryBuffer struct {
*bytes.Buffer
size int
}
func NewMemoryBuffer() *MemoryBuffer {
return &MemoryBuffer{Buffer: &bytes.Buffer{}, size: 0}
}
func NewMemoryBufferWithData(data []byte) *MemoryBuffer {
return &MemoryBuffer{Buffer: bytes.NewBuffer(data), size: len(data)}
}
func NewMemoryBufferLen(size int) *MemoryBuffer {
buf := make([]byte, 0, size)
return &MemoryBuffer{Buffer: bytes.NewBuffer(buf), size: size}
}
func (p *MemoryBuffer) IsOpen() bool {
return true
}
func (p *MemoryBuffer) Open() error {
return nil
}
func (p *MemoryBuffer) Close() error {
p.Buffer.Reset()
return nil
}
// Flushing a memory buffer is a no-op
func (p *MemoryBuffer) Flush() error {
return nil
}
func (p *MemoryBuffer) RemainingBytes() uint64 {
return uint64(p.Buffer.Len())
}