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- /*
- * 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 (
- "bytes"
- "context"
- )
- // Memory buffer-based implementation of the TTransport interface.
- type TMemoryBuffer struct {
- *bytes.Buffer
- size int
- }
- type TMemoryBufferTransportFactory struct {
- size int
- }
- func (p *TMemoryBufferTransportFactory) GetTransport(trans TTransport) (TTransport, error) {
- if trans != nil {
- t, ok := trans.(*TMemoryBuffer)
- if ok && t.size > 0 {
- return NewTMemoryBufferLen(t.size), nil
- }
- }
- return NewTMemoryBufferLen(p.size), nil
- }
- func NewTMemoryBufferTransportFactory(size int) *TMemoryBufferTransportFactory {
- return &TMemoryBufferTransportFactory{size: size}
- }
- func NewTMemoryBuffer() *TMemoryBuffer {
- return &TMemoryBuffer{Buffer: &bytes.Buffer{}, size: 0}
- }
- func NewTMemoryBufferLen(size int) *TMemoryBuffer {
- buf := make([]byte, 0, size)
- return &TMemoryBuffer{Buffer: bytes.NewBuffer(buf), size: size}
- }
- func (p *TMemoryBuffer) IsOpen() bool {
- return true
- }
- func (p *TMemoryBuffer) Open() error {
- return nil
- }
- func (p *TMemoryBuffer) Close() error {
- p.Buffer.Reset()
- return nil
- }
- // Flushing a memory buffer is a no-op
- func (p *TMemoryBuffer) Flush(ctx context.Context) error {
- return nil
- }
- func (p *TMemoryBuffer) RemainingBytes() (num_bytes uint64) {
- return uint64(p.Buffer.Len())
- }
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