forked from cerc-io/plugeth
80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package thrift
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import (
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"bytes"
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)
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// Memory buffer-based implementation of the TTransport interface.
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type TMemoryBuffer struct {
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*bytes.Buffer
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size int
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}
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type TMemoryBufferTransportFactory struct {
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size int
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}
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func (p *TMemoryBufferTransportFactory) GetTransport(trans TTransport) TTransport {
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if trans != nil {
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t, ok := trans.(*TMemoryBuffer)
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if ok && t.size > 0 {
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return NewTMemoryBufferLen(t.size)
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}
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}
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return NewTMemoryBufferLen(p.size)
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}
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func NewTMemoryBufferTransportFactory(size int) *TMemoryBufferTransportFactory {
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return &TMemoryBufferTransportFactory{size: size}
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}
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func NewTMemoryBuffer() *TMemoryBuffer {
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return &TMemoryBuffer{Buffer: &bytes.Buffer{}, size: 0}
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}
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func NewTMemoryBufferLen(size int) *TMemoryBuffer {
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buf := make([]byte, 0, size)
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return &TMemoryBuffer{Buffer: bytes.NewBuffer(buf), size: size}
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}
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func (p *TMemoryBuffer) IsOpen() bool {
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return true
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}
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func (p *TMemoryBuffer) Open() error {
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return nil
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}
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func (p *TMemoryBuffer) Close() error {
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p.Buffer.Reset()
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return nil
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}
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// Flushing a memory buffer is a no-op
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func (p *TMemoryBuffer) Flush() error {
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return nil
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}
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func (p *TMemoryBuffer) RemainingBytes() (num_bytes uint64) {
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return uint64(p.Buffer.Len())
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}
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