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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"
"encoding/binary"
"fmt"
"io"
"math"
)
type TBinaryProtocol struct {
trans TRichTransport
origTransport TTransport
cfg *TConfiguration
buffer [64]byte
}
type TBinaryProtocolFactory struct {
cfg *TConfiguration
}
// Deprecated: Use NewTBinaryProtocolConf instead.
func NewTBinaryProtocolTransport(t TTransport) *TBinaryProtocol {
return NewTBinaryProtocolConf(t, &TConfiguration{
noPropagation: true,
})
}
// Deprecated: Use NewTBinaryProtocolConf instead.
func NewTBinaryProtocol(t TTransport, strictRead, strictWrite bool) *TBinaryProtocol {
return NewTBinaryProtocolConf(t, &TConfiguration{
TBinaryStrictRead: &strictRead,
TBinaryStrictWrite: &strictWrite,
noPropagation: true,
})
}
func NewTBinaryProtocolConf(t TTransport, conf *TConfiguration) *TBinaryProtocol {
PropagateTConfiguration(t, conf)
p := &TBinaryProtocol{
origTransport: t,
cfg: conf,
}
if et, ok := t.(TRichTransport); ok {
p.trans = et
} else {
p.trans = NewTRichTransport(t)
}
return p
}
// Deprecated: Use NewTBinaryProtocolFactoryConf instead.
func NewTBinaryProtocolFactoryDefault() *TBinaryProtocolFactory {
return NewTBinaryProtocolFactoryConf(&TConfiguration{
noPropagation: true,
})
}
// Deprecated: Use NewTBinaryProtocolFactoryConf instead.
func NewTBinaryProtocolFactory(strictRead, strictWrite bool) *TBinaryProtocolFactory {
return NewTBinaryProtocolFactoryConf(&TConfiguration{
TBinaryStrictRead: &strictRead,
TBinaryStrictWrite: &strictWrite,
noPropagation: true,
})
}
func NewTBinaryProtocolFactoryConf(conf *TConfiguration) *TBinaryProtocolFactory {
return &TBinaryProtocolFactory{
cfg: conf,
}
}
func (p *TBinaryProtocolFactory) GetProtocol(t TTransport) TProtocol {
return NewTBinaryProtocolConf(t, p.cfg)
}
func (p *TBinaryProtocolFactory) SetTConfiguration(conf *TConfiguration) {
p.cfg = conf
}
/**
* Writing Methods
*/
func (p *TBinaryProtocol) WriteMessageBegin(ctx context.Context, name string, typeId TMessageType, seqId int32) error {
if p.cfg.GetTBinaryStrictWrite() {
version := uint32(VERSION_1) | uint32(typeId)
e := p.WriteI32(ctx, int32(version))
if e != nil {
return e
}
e = p.WriteString(ctx, name)
if e != nil {
return e
}
e = p.WriteI32(ctx, seqId)
return e
} else {
e := p.WriteString(ctx, name)
if e != nil {
return e
}
e = p.WriteByte(ctx, int8(typeId))
if e != nil {
return e
}
e = p.WriteI32(ctx, seqId)
return e
}
return nil
}
func (p *TBinaryProtocol) WriteMessageEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) WriteStructBegin(ctx context.Context, name string) error {
return nil
}
func (p *TBinaryProtocol) WriteStructEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) WriteFieldBegin(ctx context.Context, name string, typeId TType, id int16) error {
e := p.WriteByte(ctx, int8(typeId))
if e != nil {
return e
}
e = p.WriteI16(ctx, id)
return e
}
func (p *TBinaryProtocol) WriteFieldEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) WriteFieldStop(ctx context.Context) error {
e := p.WriteByte(ctx, STOP)
return e
}
func (p *TBinaryProtocol) WriteMapBegin(ctx context.Context, keyType TType, valueType TType, size int) error {
e := p.WriteByte(ctx, int8(keyType))
if e != nil {
return e
}
e = p.WriteByte(ctx, int8(valueType))
if e != nil {
return e
}
e = p.WriteI32(ctx, int32(size))
return e
}
func (p *TBinaryProtocol) WriteMapEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) WriteListBegin(ctx context.Context, elemType TType, size int) error {
e := p.WriteByte(ctx, int8(elemType))
if e != nil {
return e
}
e = p.WriteI32(ctx, int32(size))
return e
}
func (p *TBinaryProtocol) WriteListEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) WriteSetBegin(ctx context.Context, elemType TType, size int) error {
e := p.WriteByte(ctx, int8(elemType))
if e != nil {
return e
}
e = p.WriteI32(ctx, int32(size))
return e
}
func (p *TBinaryProtocol) WriteSetEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) WriteBool(ctx context.Context, value bool) error {
if value {
return p.WriteByte(ctx, 1)
}
return p.WriteByte(ctx, 0)
}
func (p *TBinaryProtocol) WriteByte(ctx context.Context, value int8) error {
e := p.trans.WriteByte(byte(value))
return NewTProtocolException(e)
}
func (p *TBinaryProtocol) WriteI16(ctx context.Context, value int16) error {
v := p.buffer[0:2]
binary.BigEndian.PutUint16(v, uint16(value))
_, e := p.trans.Write(v)
return NewTProtocolException(e)
}
func (p *TBinaryProtocol) WriteI32(ctx context.Context, value int32) error {
v := p.buffer[0:4]
binary.BigEndian.PutUint32(v, uint32(value))
_, e := p.trans.Write(v)
return NewTProtocolException(e)
}
func (p *TBinaryProtocol) WriteI64(ctx context.Context, value int64) error {
v := p.buffer[0:8]
binary.BigEndian.PutUint64(v, uint64(value))
_, err := p.trans.Write(v)
return NewTProtocolException(err)
}
func (p *TBinaryProtocol) WriteDouble(ctx context.Context, value float64) error {
return p.WriteI64(ctx, int64(math.Float64bits(value)))
}
func (p *TBinaryProtocol) WriteString(ctx context.Context, value string) error {
e := p.WriteI32(ctx, int32(len(value)))
if e != nil {
return e
}
_, err := p.trans.WriteString(value)
return NewTProtocolException(err)
}
func (p *TBinaryProtocol) WriteBinary(ctx context.Context, value []byte) error {
e := p.WriteI32(ctx, int32(len(value)))
if e != nil {
return e
}
_, err := p.trans.Write(value)
return NewTProtocolException(err)
}
/**
* Reading methods
*/
func (p *TBinaryProtocol) ReadMessageBegin(ctx context.Context) (name string, typeId TMessageType, seqId int32, err error) {
size, e := p.ReadI32(ctx)
if e != nil {
return "", typeId, 0, NewTProtocolException(e)
}
if size < 0 {
typeId = TMessageType(size & 0x0ff)
version := int64(int64(size) & VERSION_MASK)
if version != VERSION_1 {
return name, typeId, seqId, NewTProtocolExceptionWithType(BAD_VERSION, fmt.Errorf("Bad version in ReadMessageBegin"))
}
name, e = p.ReadString(ctx)
if e != nil {
return name, typeId, seqId, NewTProtocolException(e)
}
seqId, e = p.ReadI32(ctx)
if e != nil {
return name, typeId, seqId, NewTProtocolException(e)
}
return name, typeId, seqId, nil
}
if p.cfg.GetTBinaryStrictRead() {
return name, typeId, seqId, NewTProtocolExceptionWithType(BAD_VERSION, fmt.Errorf("Missing version in ReadMessageBegin"))
}
name, e2 := p.readStringBody(size)
if e2 != nil {
return name, typeId, seqId, e2
}
b, e3 := p.ReadByte(ctx)
if e3 != nil {
return name, typeId, seqId, e3
}
typeId = TMessageType(b)
seqId, e4 := p.ReadI32(ctx)
if e4 != nil {
return name, typeId, seqId, e4
}
return name, typeId, seqId, nil
}
func (p *TBinaryProtocol) ReadMessageEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) ReadStructBegin(ctx context.Context) (name string, err error) {
return
}
func (p *TBinaryProtocol) ReadStructEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) ReadFieldBegin(ctx context.Context) (name string, typeId TType, seqId int16, err error) {
t, err := p.ReadByte(ctx)
typeId = TType(t)
if err != nil {
return name, typeId, seqId, err
}
if t != STOP {
seqId, err = p.ReadI16(ctx)
}
return name, typeId, seqId, err
}
func (p *TBinaryProtocol) ReadFieldEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) ReadMapBegin(ctx context.Context) (kType, vType TType, size int, err error) {
k, e := p.ReadByte(ctx)
if e != nil {
err = NewTProtocolException(e)
return
}
kType = TType(k)
v, e := p.ReadByte(ctx)
if e != nil {
err = NewTProtocolException(e)
return
}
vType = TType(v)
size32, e := p.ReadI32(ctx)
if e != nil {
err = NewTProtocolException(e)
return
}
err = checkSizeForProtocol(size32, p.cfg)
if err != nil {
return
}
size = int(size32)
return kType, vType, size, nil
}
func (p *TBinaryProtocol) ReadMapEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) ReadListBegin(ctx context.Context) (elemType TType, size int, err error) {
b, e := p.ReadByte(ctx)
if e != nil {
err = NewTProtocolException(e)
return
}
elemType = TType(b)
size32, e := p.ReadI32(ctx)
if e != nil {
err = NewTProtocolException(e)
return
}
err = checkSizeForProtocol(size32, p.cfg)
if err != nil {
return
}
size = int(size32)
return
}
func (p *TBinaryProtocol) ReadListEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) ReadSetBegin(ctx context.Context) (elemType TType, size int, err error) {
b, e := p.ReadByte(ctx)
if e != nil {
err = NewTProtocolException(e)
return
}
elemType = TType(b)
size32, e := p.ReadI32(ctx)
if e != nil {
err = NewTProtocolException(e)
return
}
err = checkSizeForProtocol(size32, p.cfg)
if err != nil {
return
}
size = int(size32)
return elemType, size, nil
}
func (p *TBinaryProtocol) ReadSetEnd(ctx context.Context) error {
return nil
}
func (p *TBinaryProtocol) ReadBool(ctx context.Context) (bool, error) {
b, e := p.ReadByte(ctx)
v := true
if b != 1 {
v = false
}
return v, e
}
func (p *TBinaryProtocol) ReadByte(ctx context.Context) (int8, error) {
v, err := p.trans.ReadByte()
return int8(v), err
}
func (p *TBinaryProtocol) ReadI16(ctx context.Context) (value int16, err error) {
buf := p.buffer[0:2]
err = p.readAll(ctx, buf)
value = int16(binary.BigEndian.Uint16(buf))
return value, err
}
func (p *TBinaryProtocol) ReadI32(ctx context.Context) (value int32, err error) {
buf := p.buffer[0:4]
err = p.readAll(ctx, buf)
value = int32(binary.BigEndian.Uint32(buf))
return value, err
}
func (p *TBinaryProtocol) ReadI64(ctx context.Context) (value int64, err error) {
buf := p.buffer[0:8]
err = p.readAll(ctx, buf)
value = int64(binary.BigEndian.Uint64(buf))
return value, err
}
func (p *TBinaryProtocol) ReadDouble(ctx context.Context) (value float64, err error) {
buf := p.buffer[0:8]
err = p.readAll(ctx, buf)
value = math.Float64frombits(binary.BigEndian.Uint64(buf))
return value, err
}
func (p *TBinaryProtocol) ReadString(ctx context.Context) (value string, err error) {
size, e := p.ReadI32(ctx)
if e != nil {
return "", e
}
err = checkSizeForProtocol(size, p.cfg)
if err != nil {
return
}
if size == 0 {
return "", nil
}
if size < int32(len(p.buffer)) {
// Avoid allocation on small reads
buf := p.buffer[:size]
read, e := io.ReadFull(p.trans, buf)
return string(buf[:read]), NewTProtocolException(e)
}
return p.readStringBody(size)
}
func (p *TBinaryProtocol) ReadBinary(ctx context.Context) ([]byte, error) {
size, e := p.ReadI32(ctx)
if e != nil {
return nil, e
}
if err := checkSizeForProtocol(size, p.cfg); err != nil {
return nil, err
}
buf, err := safeReadBytes(size, p.trans)
return buf, NewTProtocolException(err)
}
func (p *TBinaryProtocol) Flush(ctx context.Context) (err error) {
return NewTProtocolException(p.trans.Flush(ctx))
}
func (p *TBinaryProtocol) Skip(ctx context.Context, fieldType TType) (err error) {
return SkipDefaultDepth(ctx, p, fieldType)
}
func (p *TBinaryProtocol) Transport() TTransport {
return p.origTransport
}
func (p *TBinaryProtocol) readAll(ctx context.Context, buf []byte) (err error) {
var read int
_, deadlineSet := ctx.Deadline()
for {
read, err = io.ReadFull(p.trans, buf)
if deadlineSet && read == 0 && isTimeoutError(err) && ctx.Err() == nil {
// This is I/O timeout without anything read,
// and we still have time left, keep retrying.
continue
}
// For anything else, don't retry
break
}
return NewTProtocolException(err)
}
func (p *TBinaryProtocol) readStringBody(size int32) (value string, err error) {
buf, err := safeReadBytes(size, p.trans)
return string(buf), NewTProtocolException(err)
}
func (p *TBinaryProtocol) SetTConfiguration(conf *TConfiguration) {
PropagateTConfiguration(p.trans, conf)
PropagateTConfiguration(p.origTransport, conf)
p.cfg = conf
}
var (
_ TConfigurationSetter = (*TBinaryProtocolFactory)(nil)
_ TConfigurationSetter = (*TBinaryProtocol)(nil)
)
// This function is shared between TBinaryProtocol and TCompactProtocol.
//
// It tries to read size bytes from trans, in a way that prevents large
// allocations when size is insanely large (mostly caused by malformed message).
func safeReadBytes(size int32, trans io.Reader) ([]byte, error) {
if size < 0 {
return nil, nil
}
buf := new(bytes.Buffer)
_, err := io.CopyN(buf, trans, int64(size))
return buf.Bytes(), err
}