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Commit ebad4432 authored by Levin Zimmermann's avatar Levin Zimmermann
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proto: Update 'Compression' to int to support different compression algorithms 

With nexedi/neoppod@fd80cc30 NEO/py added support to encode the compression
algorithm with the 'Compression' parameter. Before this, compression could
only be true (= with compression) or false (= without compression). Now
the absence of compression is encoded with 0. Any other number than 0
encodes a compression algorithm. The mapping is currently:

	1 = zlib

In the future, 2 could mean zstd [1].

[1] https://github.com/facebook/zstd/issues/1134
parent ce6fe46e
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Showing with 156 additions and 132 deletions
go/neo/client.go
View file @ ebad4432
......@@ -381,7 +381,10 @@ func (c *Client) Load(ctx context.Context, xid zodb.Xid) (buf *mem.Buf, serial z
}
}
if resp.Compression {
if resp.Compression != 0 {
if resp.Compression != 1 {
return nil, 0, fmt.Errorf("unsupported compression algorithm: %v", resp.Compression)
}
buf2 := &mem.Buf{Data: nil}
udata, err := xzlib.Decompress(buf.Data)
buf.Release()
......
go/neo/neo_test.go
View file @ ebad4432
......@@ -257,7 +257,7 @@ func _TestMasterStorage(t0 *tEnv) {
Oid: xid1.Oid,
Serial: serial1,
NextSerial: proto.INVALID_TID,
Compression: false,
Compression: 0,
Data: buf1,
DataSerial: 0, // XXX
Checksum: sha1.Sum(buf1.Data),
......@@ -292,7 +292,7 @@ func _TestMasterStorage(t0 *tEnv) {
Oid: xid1prev.Oid,
Serial: serial1prev,
NextSerial: serial1,
Compression: false,
Compression: 0,
Data: buf1prev,
DataSerial: 0, // XXX
Checksum: sha1.Sum(buf1prev.Data),
......
go/neo/proto/proto.go
View file @ ebad4432
......@@ -336,6 +336,11 @@ func (a *Address) neoDecodeN(b []byte) (uint64, bool) {
// Checksum is a SHA1 hash.
type Checksum [20]byte
// Compression is an integer that tells the compression algorithm:
// 0 = no compression algorithm is used
// 1 = zlib is used
type Compression uint64
// PTid is Partition Table identifier.
//
// Zero value means "invalid id" (<-> None in py.PPTID, nil in msgpack)
......@@ -713,7 +718,7 @@ type AnswerRebaseObject struct {
Serial zodb.Tid
ConflictSerial zodb.Tid
// FIXME POption('data')
Compression bool
Compression Compression
Checksum Checksum
Data *mem.Buf
}
......@@ -727,7 +732,7 @@ type AnswerRebaseObject struct {
type StoreObject struct {
Oid zodb.Oid
Serial zodb.Tid
Compression bool
Compression Compression
Checksum Checksum
Data []byte // TODO -> msg.Buf, separately (for writev)
DataSerial zodb.Tid
......@@ -782,7 +787,7 @@ type AnswerObject struct {
Oid zodb.Oid
Serial zodb.Tid
NextSerial zodb.Tid
Compression bool
Compression Compression
Checksum Checksum
Data *mem.Buf // TODO encode -> separately (for writev)
DataSerial zodb.Tid
......@@ -1217,7 +1222,7 @@ type AddTransaction struct {
type AddObject struct {
Oid zodb.Oid
Serial zodb.Tid
Compression bool
Compression Compression
Checksum Checksum
Data *mem.Buf
DataSerial zodb.Tid
......
go/neo/proto/zproto-marshal.go
View file @ ebad4432
......@@ -4965,18 +4965,18 @@ func (*AnswerRebaseObject) neoMsgCode() uint16 {
}
func (p *AnswerRebaseObject) neoMsgEncodedLenN() int {
return 41 + len(p.Data.XData())
return 48 + len(p.Data.XData())
}
func (p *AnswerRebaseObject) neoMsgEncodeN(data []byte) {
binary.BigEndian.PutUint64(data[0:], uint64(p.Serial))
binary.BigEndian.PutUint64(data[8:], uint64(p.ConflictSerial))
(data[16:])[0] = bool2byte(p.Compression)
copy(data[17:], p.Checksum[:])
binary.BigEndian.PutUint64(data[16:], uint64(p.Compression))
copy(data[24:], p.Checksum[:])
{
l := uint32(len(p.Data.XData()))
binary.BigEndian.PutUint32(data[37:], l)
data = data[41:]
binary.BigEndian.PutUint32(data[44:], l)
data = data[48:]
copy(data, p.Data.XData())
data = data[l:]
}
......@@ -4984,16 +4984,16 @@ func (p *AnswerRebaseObject) neoMsgEncodeN(data []byte) {
func (p *AnswerRebaseObject) neoMsgDecodeN(data []byte) (int, error) {
var nread uint64
if len(data) < 41 {
if len(data) < 48 {
goto overflow
}
p.Serial = zodb.Tid(binary.BigEndian.Uint64(data[0 : 0+8]))
p.ConflictSerial = zodb.Tid(binary.BigEndian.Uint64(data[8 : 8+8]))
p.Compression = byte2bool((data[16 : 16+1])[0])
copy(p.Checksum[:], data[17:37])
p.Compression = Compression(binary.BigEndian.Uint64(data[16 : 16+8]))
copy(p.Checksum[:], data[24:44])
{
l := binary.BigEndian.Uint32(data[37 : 37+4])
data = data[41:]
l := binary.BigEndian.Uint32(data[44 : 44+4])
data = data[48:]
if uint64(len(data)) < uint64(l) {
goto overflow
}
......@@ -5002,7 +5002,7 @@ func (p *AnswerRebaseObject) neoMsgDecodeN(data []byte) (int, error) {
copy(p.Data.Data, data[:l])
data = data[l:]
}
return 41 + int(nread), nil
return 48 + int(nread), nil
overflow:
return 0, ErrDecodeOverflow
......@@ -5020,7 +5020,7 @@ func (p *AnswerRebaseObject) neoMsgEncodedLenM() int {
} else {
size += 1 + 1 + 8 // mbin8 + 8 + [8]data
}
return 24 + msgpack.BinHeadSize(len(p.Data.XData())) + len(p.Data.XData()) + size
return 23 + msgpack.Uint64Size(uint64(p.Compression)) + msgpack.BinHeadSize(len(p.Data.XData())) + len(p.Data.XData()) + size
}
func (p *AnswerRebaseObject) neoMsgEncodeM(data []byte) {
......@@ -5043,14 +5043,17 @@ func (p *AnswerRebaseObject) neoMsgEncodeM(data []byte) {
binary.BigEndian.PutUint64(data[2:], uint64(p.ConflictSerial))
data = data[10:]
}
data[0] = byte(msgpack.Bool(p.Compression))
data[1] = byte(msgpack.Bin8)
data[2] = 20
copy(data[3:], p.Checksum[:])
{
n := msgpack.PutUint64(data[0:], uint64(p.Compression))
data = data[0+n:]
}
data[0] = byte(msgpack.Bin8)
data[1] = 20
copy(data[2:], p.Checksum[:])
{
l := len(p.Data.XData())
n := msgpack.PutBinHead(data[23:], l)
data = data[23+n:]
n := msgpack.PutBinHead(data[22:], l)
data = data[22+n:]
copy(data, p.Data.XData())
data = data[l:]
}
......@@ -5103,25 +5106,26 @@ func (p *AnswerRebaseObject) neoMsgDecodeM(data []byte) (int, error) {
p.ConflictSerial = zodb.Tid(binary.BigEndian.Uint64(data[2:]))
data = data[10:]
}
if len(data) < 23 {
goto overflow
{
v, tail, err := msgp.ReadUint64Bytes(data)
if err != nil {
return 0, mdecodeErr("AnswerRebaseObject.Compression", err)
}
switch op := msgpack.Op(data[0]); op {
default:
return 0, mdecodeOpErr("AnswerRebaseObject.Compression", op, msgpack.True, msgpack.False)
case msgpack.True:
p.Compression = true
case msgpack.False:
p.Compression = false
p.Compression = Compression(v)
nread += uint64(len(data) - len(tail))
data = tail
}
if len(data) < 22 {
goto overflow
}
if op := msgpack.Op(data[1]); op != msgpack.Bin8 {
if op := msgpack.Op(data[0]); op != msgpack.Bin8 {
return 0, mdecodeOpErr("AnswerRebaseObject.Checksum", op, msgpack.Bin8)
}
if l := data[2]; l != 20 {
if l := data[1]; l != 20 {
return 0, mdecodeLen8Err("AnswerRebaseObject.Checksum", l, 20)
}
copy(p.Checksum[:], data[3:23])
data = data[23:]
copy(p.Checksum[:], data[2:22])
data = data[22:]
{
b, tail, err := msgp.ReadBytesZC(data)
if err != nil {
......@@ -5145,18 +5149,18 @@ func (*StoreObject) neoMsgCode() uint16 {
}
func (p *StoreObject) neoMsgEncodedLenN() int {
return 57 + len(p.Data)
return 64 + len(p.Data)
}
func (p *StoreObject) neoMsgEncodeN(data []byte) {
binary.BigEndian.PutUint64(data[0:], uint64(p.Oid))
binary.BigEndian.PutUint64(data[8:], uint64(p.Serial))
(data[16:])[0] = bool2byte(p.Compression)
copy(data[17:], p.Checksum[:])
binary.BigEndian.PutUint64(data[16:], uint64(p.Compression))
copy(data[24:], p.Checksum[:])
{
l := uint32(len(p.Data))
binary.BigEndian.PutUint32(data[37:], l)
data = data[41:]
binary.BigEndian.PutUint32(data[44:], l)
data = data[48:]
copy(data, p.Data)
data = data[l:]
}
......@@ -5166,16 +5170,16 @@ func (p *StoreObject) neoMsgEncodeN(data []byte) {
func (p *StoreObject) neoMsgDecodeN(data []byte) (int, error) {
var nread uint64
if len(data) < 41 {
if len(data) < 48 {
goto overflow
}
p.Oid = zodb.Oid(binary.BigEndian.Uint64(data[0 : 0+8]))
p.Serial = zodb.Tid(binary.BigEndian.Uint64(data[8 : 8+8]))
p.Compression = byte2bool((data[16 : 16+1])[0])
copy(p.Checksum[:], data[17:37])
p.Compression = Compression(binary.BigEndian.Uint64(data[16 : 16+8]))
copy(p.Checksum[:], data[24:44])
{
l := binary.BigEndian.Uint32(data[37 : 37+4])
data = data[41:]
l := binary.BigEndian.Uint32(data[44 : 44+4])
data = data[48:]
if uint64(len(data)) < 16+uint64(l) {
goto overflow
}
......@@ -5186,7 +5190,7 @@ func (p *StoreObject) neoMsgDecodeN(data []byte) (int, error) {
}
p.DataSerial = zodb.Tid(binary.BigEndian.Uint64(data[0 : 0+8]))
p.Tid = zodb.Tid(binary.BigEndian.Uint64(data[8 : 8+8]))
return 41 + int(nread), nil
return 48 + int(nread), nil
overflow:
return 0, ErrDecodeOverflow
......@@ -5214,7 +5218,7 @@ func (p *StoreObject) neoMsgEncodedLenM() int {
} else {
size += 1 + 1 + 8 // mbin8 + 8 + [8]data
}
return 24 + msgpack.BinHeadSize(len(p.Data)) + len(p.Data) + size
return 23 + msgpack.Uint64Size(uint64(p.Compression)) + msgpack.BinHeadSize(len(p.Data)) + len(p.Data) + size
}
func (p *StoreObject) neoMsgEncodeM(data []byte) {
......@@ -5237,14 +5241,17 @@ func (p *StoreObject) neoMsgEncodeM(data []byte) {
binary.BigEndian.PutUint64(data[2:], uint64(p.Serial))
data = data[10:]
}
data[0] = byte(msgpack.Bool(p.Compression))
data[1] = byte(msgpack.Bin8)
data[2] = 20
copy(data[3:], p.Checksum[:])
{
n := msgpack.PutUint64(data[0:], uint64(p.Compression))
data = data[0+n:]
}
data[0] = byte(msgpack.Bin8)
data[1] = 20
copy(data[2:], p.Checksum[:])
{
l := len(p.Data)
n := msgpack.PutBinHead(data[23:], l)
data = data[23+n:]
n := msgpack.PutBinHead(data[22:], l)
data = data[22+n:]
copy(data, p.Data)
data = data[l:]
}
......@@ -5315,25 +5322,26 @@ func (p *StoreObject) neoMsgDecodeM(data []byte) (int, error) {
p.Serial = zodb.Tid(binary.BigEndian.Uint64(data[2:]))
data = data[10:]
}
if len(data) < 23 {
goto overflow
{
v, tail, err := msgp.ReadUint64Bytes(data)
if err != nil {
return 0, mdecodeErr("StoreObject.Compression", err)
}
switch op := msgpack.Op(data[0]); op {
default:
return 0, mdecodeOpErr("StoreObject.Compression", op, msgpack.True, msgpack.False)
case msgpack.True:
p.Compression = true
case msgpack.False:
p.Compression = false
p.Compression = Compression(v)
nread += uint64(len(data) - len(tail))
data = tail
}
if len(data) < 22 {
goto overflow
}
if op := msgpack.Op(data[1]); op != msgpack.Bin8 {
if op := msgpack.Op(data[0]); op != msgpack.Bin8 {
return 0, mdecodeOpErr("StoreObject.Checksum", op, msgpack.Bin8)
}
if l := data[2]; l != 20 {
if l := data[1]; l != 20 {
return 0, mdecodeLen8Err("StoreObject.Checksum", l, 20)
}
copy(p.Checksum[:], data[3:23])
data = data[23:]
copy(p.Checksum[:], data[2:22])
data = data[22:]
{
b, tail, err := msgp.ReadBytesZC(data)
if err != nil {
......@@ -6191,19 +6199,19 @@ func (*AnswerObject) neoMsgCode() uint16 {
}
func (p *AnswerObject) neoMsgEncodedLenN() int {
return 57 + len(p.Data.XData())
return 64 + len(p.Data.XData())
}
func (p *AnswerObject) neoMsgEncodeN(data []byte) {
binary.BigEndian.PutUint64(data[0:], uint64(p.Oid))
binary.BigEndian.PutUint64(data[8:], uint64(p.Serial))
binary.BigEndian.PutUint64(data[16:], uint64(p.NextSerial))
(data[24:])[0] = bool2byte(p.Compression)
copy(data[25:], p.Checksum[:])
binary.BigEndian.PutUint64(data[24:], uint64(p.Compression))
copy(data[32:], p.Checksum[:])
{
l := uint32(len(p.Data.XData()))
binary.BigEndian.PutUint32(data[45:], l)
data = data[49:]
binary.BigEndian.PutUint32(data[52:], l)
data = data[56:]
copy(data, p.Data.XData())
data = data[l:]
}
......@@ -6212,17 +6220,17 @@ func (p *AnswerObject) neoMsgEncodeN(data []byte) {
func (p *AnswerObject) neoMsgDecodeN(data []byte) (int, error) {
var nread uint64
if len(data) < 49 {
if len(data) < 56 {
goto overflow
}
p.Oid = zodb.Oid(binary.BigEndian.Uint64(data[0 : 0+8]))
p.Serial = zodb.Tid(binary.BigEndian.Uint64(data[8 : 8+8]))
p.NextSerial = zodb.Tid(binary.BigEndian.Uint64(data[16 : 16+8]))
p.Compression = byte2bool((data[24 : 24+1])[0])
copy(p.Checksum[:], data[25:45])
p.Compression = Compression(binary.BigEndian.Uint64(data[24 : 24+8]))
copy(p.Checksum[:], data[32:52])
{
l := binary.BigEndian.Uint32(data[45 : 45+4])
data = data[49:]
l := binary.BigEndian.Uint32(data[52 : 52+4])
data = data[56:]
if uint64(len(data)) < 8+uint64(l) {
goto overflow
}
......@@ -6232,7 +6240,7 @@ func (p *AnswerObject) neoMsgDecodeN(data []byte) (int, error) {
data = data[l:]
}
p.DataSerial = zodb.Tid(binary.BigEndian.Uint64(data[0 : 0+8]))
return 49 + int(nread), nil
return 56 + int(nread), nil
overflow:
return 0, ErrDecodeOverflow
......@@ -6260,7 +6268,7 @@ func (p *AnswerObject) neoMsgEncodedLenM() int {
} else {
size += 1 + 1 + 8 // mbin8 + 8 + [8]data
}
return 24 + msgpack.BinHeadSize(len(p.Data.XData())) + len(p.Data.XData()) + size
return 23 + msgpack.Uint64Size(uint64(p.Compression)) + msgpack.BinHeadSize(len(p.Data.XData())) + len(p.Data.XData()) + size
}
func (p *AnswerObject) neoMsgEncodeM(data []byte) {
......@@ -6292,14 +6300,17 @@ func (p *AnswerObject) neoMsgEncodeM(data []byte) {
binary.BigEndian.PutUint64(data[2:], uint64(p.NextSerial))
data = data[10:]
}
data[0] = byte(msgpack.Bool(p.Compression))
data[1] = byte(msgpack.Bin8)
data[2] = 20
copy(data[3:], p.Checksum[:])
{
n := msgpack.PutUint64(data[0:], uint64(p.Compression))
data = data[0+n:]
}
data[0] = byte(msgpack.Bin8)
data[1] = 20
copy(data[2:], p.Checksum[:])
{
l := len(p.Data.XData())
n := msgpack.PutBinHead(data[23:], l)
data = data[23+n:]
n := msgpack.PutBinHead(data[22:], l)
data = data[22+n:]
copy(data, p.Data.XData())
data = data[l:]
}
......@@ -6378,25 +6389,26 @@ func (p *AnswerObject) neoMsgDecodeM(data []byte) (int, error) {
p.NextSerial = zodb.Tid(binary.BigEndian.Uint64(data[2:]))
data = data[10:]
}
if len(data) < 23 {
goto overflow
{
v, tail, err := msgp.ReadUint64Bytes(data)
if err != nil {
return 0, mdecodeErr("AnswerObject.Compression", err)
}
switch op := msgpack.Op(data[0]); op {
default:
return 0, mdecodeOpErr("AnswerObject.Compression", op, msgpack.True, msgpack.False)
case msgpack.True:
p.Compression = true
case msgpack.False:
p.Compression = false
p.Compression = Compression(v)
nread += uint64(len(data) - len(tail))
data = tail
}
if len(data) < 22 {
goto overflow
}
if op := msgpack.Op(data[1]); op != msgpack.Bin8 {
if op := msgpack.Op(data[0]); op != msgpack.Bin8 {
return 0, mdecodeOpErr("AnswerObject.Checksum", op, msgpack.Bin8)
}
if l := data[2]; l != 20 {
if l := data[1]; l != 20 {
return 0, mdecodeLen8Err("AnswerObject.Checksum", l, 20)
}
copy(p.Checksum[:], data[3:23])
data = data[23:]
copy(p.Checksum[:], data[2:22])
data = data[22:]
{
b, tail, err := msgp.ReadBytesZC(data)
if err != nil {
......@@ -13307,18 +13319,18 @@ func (*AddObject) neoMsgCode() uint16 {
}
func (p *AddObject) neoMsgEncodedLenN() int {
return 49 + len(p.Data.XData())
return 56 + len(p.Data.XData())
}
func (p *AddObject) neoMsgEncodeN(data []byte) {
binary.BigEndian.PutUint64(data[0:], uint64(p.Oid))
binary.BigEndian.PutUint64(data[8:], uint64(p.Serial))
(data[16:])[0] = bool2byte(p.Compression)
copy(data[17:], p.Checksum[:])
binary.BigEndian.PutUint64(data[16:], uint64(p.Compression))
copy(data[24:], p.Checksum[:])
{
l := uint32(len(p.Data.XData()))
binary.BigEndian.PutUint32(data[37:], l)
data = data[41:]
binary.BigEndian.PutUint32(data[44:], l)
data = data[48:]
copy(data, p.Data.XData())
data = data[l:]
}
......@@ -13327,16 +13339,16 @@ func (p *AddObject) neoMsgEncodeN(data []byte) {
func (p *AddObject) neoMsgDecodeN(data []byte) (int, error) {
var nread uint64
if len(data) < 41 {
if len(data) < 48 {
goto overflow
}
p.Oid = zodb.Oid(binary.BigEndian.Uint64(data[0 : 0+8]))
p.Serial = zodb.Tid(binary.BigEndian.Uint64(data[8 : 8+8]))
p.Compression = byte2bool((data[16 : 16+1])[0])
copy(p.Checksum[:], data[17:37])
p.Compression = Compression(binary.BigEndian.Uint64(data[16 : 16+8]))
copy(p.Checksum[:], data[24:44])
{
l := binary.BigEndian.Uint32(data[37 : 37+4])
data = data[41:]
l := binary.BigEndian.Uint32(data[44 : 44+4])
data = data[48:]
if uint64(len(data)) < 8+uint64(l) {
goto overflow
}
......@@ -13346,7 +13358,7 @@ func (p *AddObject) neoMsgDecodeN(data []byte) (int, error) {
data = data[l:]
}
p.DataSerial = zodb.Tid(binary.BigEndian.Uint64(data[0 : 0+8]))
return 41 + int(nread), nil
return 48 + int(nread), nil
overflow:
return 0, ErrDecodeOverflow
......@@ -13369,7 +13381,7 @@ func (p *AddObject) neoMsgEncodedLenM() int {
} else {
size += 1 + 1 + 8 // mbin8 + 8 + [8]data
}
return 24 + msgpack.BinHeadSize(len(p.Data.XData())) + len(p.Data.XData()) + size
return 23 + msgpack.Uint64Size(uint64(p.Compression)) + msgpack.BinHeadSize(len(p.Data.XData())) + len(p.Data.XData()) + size
}
func (p *AddObject) neoMsgEncodeM(data []byte) {
......@@ -13392,14 +13404,17 @@ func (p *AddObject) neoMsgEncodeM(data []byte) {
binary.BigEndian.PutUint64(data[2:], uint64(p.Serial))
data = data[10:]
}
data[0] = byte(msgpack.Bool(p.Compression))
data[1] = byte(msgpack.Bin8)
data[2] = 20
copy(data[3:], p.Checksum[:])
{
n := msgpack.PutUint64(data[0:], uint64(p.Compression))
data = data[0+n:]
}
data[0] = byte(msgpack.Bin8)
data[1] = 20
copy(data[2:], p.Checksum[:])
{
l := len(p.Data.XData())
n := msgpack.PutBinHead(data[23:], l)
data = data[23+n:]
n := msgpack.PutBinHead(data[22:], l)
data = data[22+n:]
copy(data, p.Data.XData())
data = data[l:]
}
......@@ -13461,25 +13476,26 @@ func (p *AddObject) neoMsgDecodeM(data []byte) (int, error) {
p.Serial = zodb.Tid(binary.BigEndian.Uint64(data[2:]))
data = data[10:]
}
if len(data) < 23 {
goto overflow
{
v, tail, err := msgp.ReadUint64Bytes(data)
if err != nil {
return 0, mdecodeErr("AddObject.Compression", err)
}
switch op := msgpack.Op(data[0]); op {
default:
return 0, mdecodeOpErr("AddObject.Compression", op, msgpack.True, msgpack.False)
case msgpack.True:
p.Compression = true
case msgpack.False:
p.Compression = false
p.Compression = Compression(v)
nread += uint64(len(data) - len(tail))
data = tail
}
if len(data) < 22 {
goto overflow
}
if op := msgpack.Op(data[1]); op != msgpack.Bin8 {
if op := msgpack.Op(data[0]); op != msgpack.Bin8 {
return 0, mdecodeOpErr("AddObject.Checksum", op, msgpack.Bin8)
}
if l := data[2]; l != 20 {
if l := data[1]; l != 20 {
return 0, mdecodeLen8Err("AddObject.Checksum", l, 20)
}
copy(p.Checksum[:], data[3:23])
data = data[23:]
copy(p.Checksum[:], data[2:22])
data = data[22:]
{
b, tail, err := msgp.ReadBytesZC(data)
if err != nil {
......
go/neo/storage/fs1/fs1.go
View file @ ebad4432
......@@ -87,7 +87,7 @@ func (f *Backend) Load(ctx context.Context, xid zodb.Xid) (*proto.AnswerObject,
Serial: serial,
NextSerial: nextSerial,
Compression: false,
Compression: 0,
Data: buf,
Checksum: xsha1.NEOSum(buf.Data), // XXX computing every time
......
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