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Commit 8c736e77 authored by Kirill Smelkov's avatar Kirill Smelkov
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parent fa68b9e4
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Showing with 146 additions and 122 deletions
t/neo/cmd/neostorage-go/neostorage.go
View file @ 8c736e77
......@@ -5,7 +5,7 @@
package main
import (
"../../storage" // XXX rel ok?
_ "../../storage" // XXX rel ok?
)
......
t/neo/proto/pkt.go
View file @ 8c736e77
package proto
// TODO .TID -> .Tid etc ?
import (
. "../"
)
const (
PROTOCOL_VERSION = 6
PROTOCOL_VERSION = 7
MIN_PACKET_SIZE = 10 // XXX link this to len(pkthead) ?
MAX_PACKET_SIZE = 0x4000000
......@@ -24,6 +26,7 @@ const (
REPLICATION_ERROR
CHECKING_ERROR
BACKEND_NOT_IMPLEMENTED
READ_ONLY_ACCESS
)
type ClusterState int
......@@ -31,7 +34,7 @@ const (
// NOTE cluster states descriptions is in protocol.py
RECOVERING ClusterState = iota
VERIFYING
RUNNING
CLUSTER_RUNNING // XXX conflict with NodeState.RUNNING
STOPPING
STARTING_BACKUP
BACKINGUP
......@@ -79,10 +82,22 @@ type UUID int32
// TODO UUID_NAMESPACES
// XXX -> NodeInfo (and use []NodeInfo) ?
type NodeList []struct {
type Address struct {
Host string
Port uint16 // TODO if Host == 0 -> Port not added to wire (see py.PAddress)
}
// A SHA1 hash
type Checksum [20]byte
// Partition Table identifier
// Zero value means "invalid id" (<-> None in py.PPTID)
type PTid uint64 // XXX move to common place ?
// NOTE original NodeList = []NodeInfo
type NodeInfo struct {
NodeType
Address PAddress // TODO
Address
UUID
NodeState
}
......@@ -142,10 +157,10 @@ type CloseClient struct {
// connection. Any -> Any.
type RequestIdentification struct {
Packet
ProtocolVersion PProtocol // TODO
ProtocolVersion uint32 // TODO py.PProtocol upon decoding checks for != PROTOCOL_VERSION
NodeType NodeType // XXX name
UUID UUID
Address PAddress // TODO
Address
Name string
}
......@@ -157,9 +172,9 @@ type AcceptIdentification struct {
NumPartitions uint32 // PNumber
NumReplicas uint32 // PNumber
YourUUID UUID
Primary PAddress // TODO
Primary Address // TODO
KnownMasterList []struct {
Address PAddress
Address
UUID UUID
}
}
......@@ -191,9 +206,9 @@ type Recovery struct {
type AnswerRecovery struct {
Packet
PTID PPTID // TODO
BackupTID TID
TruncateTID TID
PTid
BackupTID Tid
TruncateTID Tid
}
// Ask the last OID/TID so that a master can initialize its TransactionManager.
......@@ -204,8 +219,8 @@ type LastIDs struct {
type AnswerLastIDs struct {
Packet
LastOID OID
LastTID TID
LastOID Oid
LastTID Tid
}
// Ask the full partition table. PM -> S.
......@@ -216,7 +231,7 @@ type PartitionTable struct {
type AnswerPartitionTable struct {
Packet
PTID PPTID // TODO
PTid
RowList RowList
}
......@@ -224,16 +239,16 @@ type AnswerPartitionTable struct {
// Send rows in a partition table to update other nodes. PM -> S, C.
type NotifyPartitionTable struct {
Packet
PTID PPTID // TODO
PTid
RowList RowList
}
// Notify a subset of a partition table. This is used to notify changes.
// PM -> S, C.
type PartitionChanges struct
type PartitionChanges struct {
Packet
PTID PPTID // TODO
PTid
CellList []struct {
// XXX does below correlate with Cell inside top-level CellList ?
Offset uint32 // PNumber
......@@ -265,9 +280,9 @@ type UnfinishedTransactions struct {
type AnswerUnfinishedTransactions struct {
Packet
MaxTID TID
MaxTID Tid
TidList []struct{
UnfinishedTID TID
UnfinishedTID Tid
}
}
......@@ -279,25 +294,25 @@ type LockedTransactions struct {
type AnswerLockedTransactions struct {
Packet
TidDict map[TID]TID // ttid -> tid
TidDict map[Tid]Tid // ttid -> tid
}
// Return final tid if ttid has been committed. * -> S. C -> PM.
type FinalTID struct {
Packet
TTID TID
TTID Tid
}
type AnswerFinalTID struct {
Packet
TID TID
Tid Tid
}
// Commit a transaction. PM -> S.
type ValidateTransaction struct {
Packet
TTID TID
Tid TID
TTID Tid
Tid Tid
}
......@@ -305,62 +320,62 @@ type ValidateTransaction struct {
// Answer when a transaction begin, give a TID if necessary. PM -> C.
type BeginTransaction struct {
Packet
TID TID
Tid Tid
}
type AnswerBeginTransaction struct {
Packet
TID TID
Tid Tid
}
// Finish a transaction. C -> PM.
// Answer when a transaction is finished. PM -> C.
type FinishTransaction struct {
Packet
TID TID
OIDList []OID
CheckedList []OID
Tid Tid
OIDList []Oid
CheckedList []Oid
}
type AnswerFinishTransaction struct {
Packet
TTID TID
TID TID
TTID Tid
Tid Tid
}
// Notify that a transaction blocking a replication is now finished
// M -> S
type NotifyTransactionFinished struct {
Packet
TTID TID
MaxTID TID
TTID Tid
MaxTID Tid
}
// Lock information on a transaction. PM -> S.
// Notify information on a transaction locked. S -> PM.
type LockInformation struct {
Packet
Ttid TID
Tid TID
Ttid Tid
Tid Tid
}
// XXX AnswerInformationLocked ?
type AnswerLockInformation struct {
Ttid TID
Ttid Tid
}
// Invalidate objects. PM -> C.
// XXX ask_finish_transaction ?
type InvalidateObjects struct {
Packet
TID TID
OidList []OID
Tid Tid
OidList []Oid
}
// Unlock information on a transaction. PM -> S.
type UnlockInformation struct {
Packet
TTID TID
TTID Tid
}
// Ask new object IDs. C -> PM.
......@@ -373,7 +388,7 @@ type GenerateOIDs struct {
// XXX answer_new_oids ?
type AnswerGenerateOIDs struct {
Packet
OidList []OID
OidList []Oid
}
......@@ -385,38 +400,38 @@ type AnswerGenerateOIDs struct {
// node must not try to resolve the conflict. S -> C.
type StoreObject struct {
Packet
OID OID
Serial TID
Oid Oid
Serial Tid
Compression bool
Checksum PChecksum // TODO
Checksum Checksum
Data []byte // XXX or string ?
DataSerial TID
TID TID
DataSerial Tid
Tid Tid
Unlock bool
}
type AnswerStoreObject struct {
Packet
Conflicting bool
OID OID
Serial TID
Oid Oid
Serial Tid
}
// Abort a transaction. C -> S, PM.
type AbortTransaction struct {
Packet
TID TID
Tid Tid
}
// Ask to store a transaction. C -> S.
// Answer if transaction has been stored. S -> C.
type StoreTransaction struct {
Packet
TID TID
Tid Tid
User string
Description string
Extension string
OidList []OID
OidList []Oid
// TODO _answer = PFEmpty
}
......@@ -424,7 +439,7 @@ type StoreTransaction struct {
// Answer if transaction has been stored. S -> C.
type VoteTransaction struct {
Packet
TID TID
Tid Tid
// TODO _answer = PFEmpty
}
......@@ -434,21 +449,21 @@ type VoteTransaction struct {
// Answer the requested object. S -> C.
type GetObject struct {
Packet
OID OID
Serial TID
TID TID
Oid Oid
Serial Tid
Tid Tid
}
// XXX answer_object ?
type AnswerGetObject struct {
Packet
OID OID
SerialStart TID
SerialEnd TID
Oid Oid
SerialStart Tid
SerialEnd Tid
Compression bool
Checksum PChecksum
Checksum Checksum
Data []byte // XXX or string ?
DataSerial TID
DataSerial Tid
}
// Ask for TIDs between a range of offsets. The order of TIDs is descending,
......@@ -456,7 +471,7 @@ type AnswerGetObject struct {
// Answer the requested TIDs. S -> C.
type TIDList struct {
Packet
Fisrt uint64 // PIndex XXX this is TID actually ?
First uint64 // PIndex XXX this is TID actually ? -> no it is offset in list
Last uint64 // PIndex ----//----
Partition uint32 // PNumber
}
......@@ -464,7 +479,7 @@ type TIDList struct {
// XXX answer_tids ?
type AnswerTIDList struct {
Packet
TIDList []TID
TIDList []Tid
}
// Ask for length TIDs starting at min_tid. The order of TIDs is ascending.
......@@ -472,8 +487,8 @@ type AnswerTIDList struct {
// Answer the requested TIDs. S -> C
type TIDListFrom struct {
Packet
MinTID TID
MaxTID TID
MinTID Tid
MaxTID Tid
Length uint32 // PNumber
Partition uint32 // PNumber
}
......@@ -481,24 +496,24 @@ type TIDListFrom struct {
// XXX answer_tids ?
type AnswerTIDListFrom struct {
Packet
TidList []TID
TidList []Tid
}
// Ask information about a transaction. Any -> S.
// Answer information (user, description) about a transaction. S -> Any.
type TransactionInformation struct {
Packet
TID TID
Tid Tid
}
type AnswerTransactionInformation struct {
Packet
TID TID
Tid Tid
User string
Description string
Extension string
Packed bool
OidList []OID
OidList []Oid
}
// Ask history information for a given object. The order of serials is
......@@ -506,16 +521,16 @@ type AnswerTransactionInformation struct {
// Answer history information (serial, size) for an object. S -> C.
type ObjectHistory struct {
Packet
OID OID
Oid Oid
First uint64 // PIndex XXX this is actually TID
Last uint64 // PIndex ----//----
}
type AnswerObjectHistory struct {
Packet
OID OID
Oid Oid
HistoryList []struct {
Serial TID
Serial Tid
Size uint32 // PNumber
}
}
......@@ -532,20 +547,20 @@ type PartitionList struct {
type AnswerPartitionList struct {
Packet
PTID PTID
PTid
RowList RowList
)
}
// Ask information about nodes
// Answer information about nodes
type NodeList struct {
type X_NodeList struct {
Packet
NodeType
}
type AnswerNodeList struct {
Packet
NodeList
NodeList []NodeInfo
}
// Set the node state
......@@ -576,7 +591,7 @@ type TweakPartitionTable struct {
// Notify information about one or more nodes. PM -> Any.
type NotifyNodeInformation struct {
Packet
NodeList
NodeList []NodeInfo
}
// Ask node information
......@@ -601,7 +616,7 @@ type ClusterInformation struct {
// Ask state of the cluster
// Answer state of the cluster
type ClusterState struct {
type X_ClusterState struct { // XXX conflicts with ClusterState enum
Packet
State ClusterState
}
......@@ -623,18 +638,18 @@ type ClusterState struct {
// S -> C
type ObjectUndoSerial struct {
Packet
TID TID
LTID TID
UndoneTID TID
OidList []OID
Tid Tid
LTID Tid
UndoneTID Tid
OidList []Oid
}
// XXX answer_undo_transaction ?
type AnswerObjectUndoSerial struct {
Packet
ObjectTIDDict map[OID]struct {
CurrentSerial TID
UndoSerial TID
ObjectTIDDict map[Oid]struct {
CurrentSerial Tid
UndoSerial Tid
IsCurrent bool
}
}
......@@ -644,13 +659,13 @@ type AnswerObjectUndoSerial struct {
// Answer whether a transaction holds the write lock for requested object.
type HasLock struct {
Packet
TID TID
OID OID
Tid Tid
Oid Oid
}
type AnswerHasLock struct {
Packet
OID OID
Oid Oid
LockState LockState
}
......@@ -663,16 +678,16 @@ type AnswerHasLock struct {
// is nothing to invalidate in any client's cache.
type CheckCurrentSerial struct {
Packet
TID TID
Serial TID
OID OID
Tid Tid
Serial Tid
Oid Oid
}
// XXX answer_store_object ?
type AnswerCheckCurrentSerial struct {
Conflicting bool
OID OID
Serial TID
Oid Oid
Serial Tid
}
// Request a pack at given TID.
......@@ -683,7 +698,7 @@ type AnswerCheckCurrentSerial struct {
// M -> C
type Pack struct {
Packet
TID TID
Tid Tid
}
type AnswerPack struct {
......@@ -697,8 +712,8 @@ type AnswerPack struct {
type CheckReplicas struct {
Packet
PartitionDict map[uint32/*PNumber*/]UUID // partition -> source
MinTID TID
MaxTID TID
MinTID Tid
MaxTID Tid
// XXX _answer = Error
}
......@@ -709,10 +724,10 @@ type CheckPartition struct {
Partition uint32 // PNumber
Source struct {
UpstreamName string
Address PAddress
Address Address
}
MinTID TID
MaxTID TID
MinTID Tid
MaxTID Tid
}
......@@ -728,15 +743,15 @@ type CheckTIDRange struct {
Packet
Partition uint32 // PNumber
Length uint32 // PNumber
MinTID TID
MaxTID TID
MinTID Tid
MaxTID Tid
}
type AnswerCheckTIDRange struct {
Packet
Count uint32 // PNumber
Checksum PChecksum // TODO
MaxTID TID
Checksum Checksum
MaxTID Tid
}
// Ask some stats about a range of object history.
......@@ -751,17 +766,17 @@ type CheckSerialRange struct {
Packet
Partition uint32 // PNumber
Length uint32 // PNumber
MinTID TID
MaxTID TID
MinOID OID
MinTID Tid
MaxTID Tid
MinOID Oid
}
type AnswerCheckSerialRange struct {
Count uint32 // PNumber
TidChecksum PChecksum
MaxTID TID
OidChecksum PChecksum
MaxOID OID
TidChecksum Checksum
MaxTID Tid
OidChecksum Checksum
MaxOID Oid
}
// S -> M
......@@ -782,7 +797,7 @@ type LastTransaction struct {
type AnswerLastTransaction struct {
Packet
TID TID
Tid Tid
}
......
t/neo/storage/filestorage.go
View file @ 8c736e77
......@@ -3,8 +3,13 @@
// filestorage support XXX text
package storage
import (
"os"
. "../"
)
type FileStorage struct {
fd int
f *os.File // XXX naming -> file ?
}
// IStorage
......@@ -36,32 +41,32 @@ type DataRec struct {
}
func (TxnRecHead *rh) MarshalFS() []byte {
func (rh *TxnRecHead) MarshalFS() []byte {
panic("TODO")
}
func (TxnRecHead *rh) UnmarshalFS(data []byte) {
TODO
func (rh *TxnRecHead) UnmarshalFS(data []byte) {
//TODO
}
func NewFileStorage(path string) (*FileStorage, error) {
fd, err := ...Open(path, O_RDONLY)
f, err := os.Open(path) // note opens in O_RDONLY
if err != nil {
return nil, err
}
// TODO read file header
Read(fd, 4) != "FS21" -> invalid header
return &FileStorage{fd: fd}
//Read(f, 4) != "FS21" -> invalid header
return &FileStorage{f: f}, nil
}
func (f *FileStorage) Close() error {
err := Os.Close(f.fd)
err := f.f.Close()
if err != nil {
return err
}
f.fd = -1
f.f = nil
return nil
}
......@@ -70,5 +75,6 @@ func (f *FileStorage) Iterate(start, stop Tid) IStorageIterator {
panic("TODO start/stop support")
}
// TODO
return nil
}
t/neo/zodb.go
View file @ 8c736e77
......@@ -18,10 +18,13 @@ const (
INVALID_TID Tid = 1<<64 - 1 // 0xffffffffffffffff TODO recheck it is the same
INVALID_OID Oid = 0xffffffffffffffff // 1<<64 - 1
ZERO_TID Tid = 0 // XXX or simply TID{} ? // XXX -> TID0 ?
TID0 Tid = ZERO_TID // XXX ^^^ choose 1
ZERO_OID Oid = 0 // XXX or simply OID{} ? // XXX -> OID0
// OID_LEN = 8
// TID_LEN = 8
MAX_TID Tid = 0x7fffffffffffffff // SQLite does not accept numbers above 2^63-1 // XXX -> TIDMAX ?
TIDMAX Tid = MAX_TID // XXX ^^^ choose 1
)
......
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