forked from cerc-io/plugeth
515 lines
11 KiB
Go
515 lines
11 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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"encoding/binary"
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"errors"
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"fmt"
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"io"
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"math"
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)
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type TBinaryProtocol struct {
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trans TRichTransport
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origTransport TTransport
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reader io.Reader
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writer io.Writer
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strictRead bool
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strictWrite bool
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buffer [64]byte
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}
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type TBinaryProtocolFactory struct {
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strictRead bool
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strictWrite bool
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}
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func NewTBinaryProtocolTransport(t TTransport) *TBinaryProtocol {
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return NewTBinaryProtocol(t, false, true)
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}
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func NewTBinaryProtocol(t TTransport, strictRead, strictWrite bool) *TBinaryProtocol {
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p := &TBinaryProtocol{origTransport: t, strictRead: strictRead, strictWrite: strictWrite}
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if et, ok := t.(TRichTransport); ok {
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p.trans = et
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} else {
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p.trans = NewTRichTransport(t)
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}
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p.reader = p.trans
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p.writer = p.trans
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return p
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}
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func NewTBinaryProtocolFactoryDefault() *TBinaryProtocolFactory {
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return NewTBinaryProtocolFactory(false, true)
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}
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func NewTBinaryProtocolFactory(strictRead, strictWrite bool) *TBinaryProtocolFactory {
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return &TBinaryProtocolFactory{strictRead: strictRead, strictWrite: strictWrite}
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}
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func (p *TBinaryProtocolFactory) GetProtocol(t TTransport) TProtocol {
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return NewTBinaryProtocol(t, p.strictRead, p.strictWrite)
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}
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/**
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* Writing Methods
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*/
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func (p *TBinaryProtocol) WriteMessageBegin(name string, typeId TMessageType, seqId int32) error {
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if p.strictWrite {
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version := uint32(VERSION_1) | uint32(typeId)
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e := p.WriteI32(int32(version))
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if e != nil {
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return e
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}
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e = p.WriteString(name)
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if e != nil {
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return e
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}
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e = p.WriteI32(seqId)
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return e
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} else {
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e := p.WriteString(name)
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if e != nil {
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return e
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}
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e = p.WriteByte(int8(typeId))
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if e != nil {
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return e
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}
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e = p.WriteI32(seqId)
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return e
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}
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return nil
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}
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func (p *TBinaryProtocol) WriteMessageEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) WriteStructBegin(name string) error {
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return nil
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}
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func (p *TBinaryProtocol) WriteStructEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) WriteFieldBegin(name string, typeId TType, id int16) error {
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e := p.WriteByte(int8(typeId))
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if e != nil {
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return e
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}
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e = p.WriteI16(id)
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return e
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}
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func (p *TBinaryProtocol) WriteFieldEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) WriteFieldStop() error {
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e := p.WriteByte(STOP)
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return e
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}
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func (p *TBinaryProtocol) WriteMapBegin(keyType TType, valueType TType, size int) error {
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e := p.WriteByte(int8(keyType))
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if e != nil {
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return e
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}
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e = p.WriteByte(int8(valueType))
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if e != nil {
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return e
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}
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e = p.WriteI32(int32(size))
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return e
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}
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func (p *TBinaryProtocol) WriteMapEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) WriteListBegin(elemType TType, size int) error {
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e := p.WriteByte(int8(elemType))
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if e != nil {
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return e
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}
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e = p.WriteI32(int32(size))
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return e
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}
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func (p *TBinaryProtocol) WriteListEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) WriteSetBegin(elemType TType, size int) error {
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e := p.WriteByte(int8(elemType))
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if e != nil {
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return e
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}
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e = p.WriteI32(int32(size))
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return e
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}
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func (p *TBinaryProtocol) WriteSetEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) WriteBool(value bool) error {
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if value {
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return p.WriteByte(1)
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}
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return p.WriteByte(0)
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}
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func (p *TBinaryProtocol) WriteByte(value int8) error {
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e := p.trans.WriteByte(byte(value))
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return NewTProtocolException(e)
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}
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func (p *TBinaryProtocol) WriteI16(value int16) error {
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v := p.buffer[0:2]
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binary.BigEndian.PutUint16(v, uint16(value))
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_, e := p.writer.Write(v)
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return NewTProtocolException(e)
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}
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func (p *TBinaryProtocol) WriteI32(value int32) error {
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v := p.buffer[0:4]
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binary.BigEndian.PutUint32(v, uint32(value))
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_, e := p.writer.Write(v)
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return NewTProtocolException(e)
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}
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func (p *TBinaryProtocol) WriteI64(value int64) error {
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v := p.buffer[0:8]
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binary.BigEndian.PutUint64(v, uint64(value))
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_, err := p.writer.Write(v)
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return NewTProtocolException(err)
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}
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func (p *TBinaryProtocol) WriteDouble(value float64) error {
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return p.WriteI64(int64(math.Float64bits(value)))
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}
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func (p *TBinaryProtocol) WriteString(value string) error {
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e := p.WriteI32(int32(len(value)))
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if e != nil {
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return e
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}
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_, err := p.trans.WriteString(value)
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return NewTProtocolException(err)
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}
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func (p *TBinaryProtocol) WriteBinary(value []byte) error {
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e := p.WriteI32(int32(len(value)))
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if e != nil {
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return e
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}
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_, err := p.writer.Write(value)
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return NewTProtocolException(err)
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}
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/**
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* Reading methods
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*/
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func (p *TBinaryProtocol) ReadMessageBegin() (name string, typeId TMessageType, seqId int32, err error) {
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size, e := p.ReadI32()
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if e != nil {
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return "", typeId, 0, NewTProtocolException(e)
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}
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if size < 0 {
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typeId = TMessageType(size & 0x0ff)
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version := int64(int64(size) & VERSION_MASK)
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if version != VERSION_1 {
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return name, typeId, seqId, NewTProtocolExceptionWithType(BAD_VERSION, fmt.Errorf("Bad version in ReadMessageBegin"))
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}
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name, e = p.ReadString()
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if e != nil {
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return name, typeId, seqId, NewTProtocolException(e)
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}
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seqId, e = p.ReadI32()
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if e != nil {
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return name, typeId, seqId, NewTProtocolException(e)
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}
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return name, typeId, seqId, nil
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}
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if p.strictRead {
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return name, typeId, seqId, NewTProtocolExceptionWithType(BAD_VERSION, fmt.Errorf("Missing version in ReadMessageBegin"))
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}
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name, e2 := p.readStringBody(size)
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if e2 != nil {
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return name, typeId, seqId, e2
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}
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b, e3 := p.ReadByte()
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if e3 != nil {
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return name, typeId, seqId, e3
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}
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typeId = TMessageType(b)
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seqId, e4 := p.ReadI32()
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if e4 != nil {
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return name, typeId, seqId, e4
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}
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return name, typeId, seqId, nil
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}
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func (p *TBinaryProtocol) ReadMessageEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) ReadStructBegin() (name string, err error) {
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return
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}
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func (p *TBinaryProtocol) ReadStructEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) ReadFieldBegin() (name string, typeId TType, seqId int16, err error) {
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t, err := p.ReadByte()
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typeId = TType(t)
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if err != nil {
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return name, typeId, seqId, err
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}
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if t != STOP {
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seqId, err = p.ReadI16()
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}
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return name, typeId, seqId, err
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}
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func (p *TBinaryProtocol) ReadFieldEnd() error {
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return nil
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}
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var invalidDataLength = NewTProtocolExceptionWithType(INVALID_DATA, errors.New("Invalid data length"))
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func (p *TBinaryProtocol) ReadMapBegin() (kType, vType TType, size int, err error) {
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k, e := p.ReadByte()
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if e != nil {
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err = NewTProtocolException(e)
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return
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}
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kType = TType(k)
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v, e := p.ReadByte()
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if e != nil {
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err = NewTProtocolException(e)
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return
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}
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vType = TType(v)
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size32, e := p.ReadI32()
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if e != nil {
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err = NewTProtocolException(e)
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return
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}
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if size32 < 0 {
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err = invalidDataLength
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return
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}
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size = int(size32)
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return kType, vType, size, nil
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}
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func (p *TBinaryProtocol) ReadMapEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) ReadListBegin() (elemType TType, size int, err error) {
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b, e := p.ReadByte()
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if e != nil {
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err = NewTProtocolException(e)
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return
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}
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elemType = TType(b)
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size32, e := p.ReadI32()
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if e != nil {
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err = NewTProtocolException(e)
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return
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}
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if size32 < 0 {
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err = invalidDataLength
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return
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}
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size = int(size32)
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return
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}
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func (p *TBinaryProtocol) ReadListEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) ReadSetBegin() (elemType TType, size int, err error) {
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b, e := p.ReadByte()
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if e != nil {
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err = NewTProtocolException(e)
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return
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}
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elemType = TType(b)
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size32, e := p.ReadI32()
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if e != nil {
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err = NewTProtocolException(e)
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return
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}
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if size32 < 0 {
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err = invalidDataLength
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return
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}
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size = int(size32)
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return elemType, size, nil
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}
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func (p *TBinaryProtocol) ReadSetEnd() error {
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return nil
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}
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func (p *TBinaryProtocol) ReadBool() (bool, error) {
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b, e := p.ReadByte()
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v := true
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if b != 1 {
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v = false
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}
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return v, e
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}
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func (p *TBinaryProtocol) ReadByte() (int8, error) {
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|
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v, err := p.trans.ReadByte()
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return int8(v), err
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}
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func (p *TBinaryProtocol) ReadI16() (value int16, err error) {
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buf := p.buffer[0:2]
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err = p.readAll(buf)
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value = int16(binary.BigEndian.Uint16(buf))
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return value, err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) ReadI32() (value int32, err error) {
|
||
|
|
buf := p.buffer[0:4]
|
||
|
|
err = p.readAll(buf)
|
||
|
|
value = int32(binary.BigEndian.Uint32(buf))
|
||
|
|
return value, err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) ReadI64() (value int64, err error) {
|
||
|
|
buf := p.buffer[0:8]
|
||
|
|
err = p.readAll(buf)
|
||
|
|
value = int64(binary.BigEndian.Uint64(buf))
|
||
|
|
return value, err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) ReadDouble() (value float64, err error) {
|
||
|
|
buf := p.buffer[0:8]
|
||
|
|
err = p.readAll(buf)
|
||
|
|
value = math.Float64frombits(binary.BigEndian.Uint64(buf))
|
||
|
|
return value, err
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) ReadString() (value string, err error) {
|
||
|
|
size, e := p.ReadI32()
|
||
|
|
if e != nil {
|
||
|
|
return "", e
|
||
|
|
}
|
||
|
|
if size < 0 {
|
||
|
|
err = invalidDataLength
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
return p.readStringBody(size)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) ReadBinary() ([]byte, error) {
|
||
|
|
size, e := p.ReadI32()
|
||
|
|
if e != nil {
|
||
|
|
return nil, e
|
||
|
|
}
|
||
|
|
if size < 0 {
|
||
|
|
return nil, invalidDataLength
|
||
|
|
}
|
||
|
|
if uint64(size) > p.trans.RemainingBytes() {
|
||
|
|
return nil, invalidDataLength
|
||
|
|
}
|
||
|
|
|
||
|
|
isize := int(size)
|
||
|
|
buf := make([]byte, isize)
|
||
|
|
_, err := io.ReadFull(p.trans, buf)
|
||
|
|
return buf, NewTProtocolException(err)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) Flush() (err error) {
|
||
|
|
return NewTProtocolException(p.trans.Flush())
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) Skip(fieldType TType) (err error) {
|
||
|
|
return SkipDefaultDepth(p, fieldType)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) Transport() TTransport {
|
||
|
|
return p.origTransport
|
||
|
|
}
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) readAll(buf []byte) error {
|
||
|
|
_, err := io.ReadFull(p.reader, buf)
|
||
|
|
return NewTProtocolException(err)
|
||
|
|
}
|
||
|
|
|
||
|
|
const readLimit = 32768
|
||
|
|
|
||
|
|
func (p *TBinaryProtocol) readStringBody(size int32) (value string, err error) {
|
||
|
|
if size < 0 {
|
||
|
|
return "", nil
|
||
|
|
}
|
||
|
|
if uint64(size) > p.trans.RemainingBytes() {
|
||
|
|
return "", invalidDataLength
|
||
|
|
}
|
||
|
|
|
||
|
|
var (
|
||
|
|
buf bytes.Buffer
|
||
|
|
e error
|
||
|
|
b []byte
|
||
|
|
)
|
||
|
|
|
||
|
|
switch {
|
||
|
|
case int(size) <= len(p.buffer):
|
||
|
|
b = p.buffer[:size] // avoids allocation for small reads
|
||
|
|
case int(size) < readLimit:
|
||
|
|
b = make([]byte, size)
|
||
|
|
default:
|
||
|
|
b = make([]byte, readLimit)
|
||
|
|
}
|
||
|
|
|
||
|
|
for size > 0 {
|
||
|
|
_, e = io.ReadFull(p.trans, b)
|
||
|
|
buf.Write(b)
|
||
|
|
if e != nil {
|
||
|
|
break
|
||
|
|
}
|
||
|
|
size -= readLimit
|
||
|
|
if size < readLimit && size > 0 {
|
||
|
|
b = b[:size]
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return buf.String(), NewTProtocolException(e)
|
||
|
|
}
|