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f0b31fed
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TDengine
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体验新版 GitCode,发现更多精彩内容 >>
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f0b31fed
编写于
10月 23, 2021
作者:
L
lichuang
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差异文件
[feeature][raft]add raft interface
上级
8be1a251
变更
3
隐藏空白更改
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并排
Showing
3 changed file
with
142 addition
and
1 deletion
+142
-1
include/libs/raft/raft_sync.h
include/libs/raft/raft_sync.h
+131
-0
source/libs/raft/CMakeLists.txt
source/libs/raft/CMakeLists.txt
+8
-0
source/libs/raft/src/raft.c
source/libs/raft/src/raft.c
+3
-1
未找到文件。
include/libs/raft/raft_sync.h
0 → 100644
浏览文件 @
f0b31fed
/*
* Copyright (c) 2019 TAOS Data, Inc. <cli@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TDENGINE_RAFT_SYNC_H
#define TDENGINE_RAFT_SYNC_H
#ifdef __cplusplus
extern
"C"
{
#endif
#include <stdint.h>
#include "taosdef.h"
#include "wal.h"
typedef
uint32_t
SyncNodeId
;
typedef
int64_t
SyncVersion
;
typedef
uint64_t
SSyncTerm
;
typedef
enum
{
TAOS_SYNC_ROLE_FOLLOWER
=
0
,
TAOS_SYNC_ROLE_CANDIDATE
=
1
,
TAOS_SYNC_ROLE_LEADER
=
2
,
}
ESyncRole
;
typedef
struct
{
void
*
data
;
size_t
len
;
}
SSyncBuffer
;
typedef
struct
{
SyncNodeId
nodeId
;
// node ID assigned by TDengine
uint16_t
nodePort
;
// node sync Port
char
nodeFqdn
[
TSDB_FQDN_LEN
];
// node FQDN
}
SNodeInfo
;
typedef
struct
{
int
selfIndex
;
int
nNode
;
SNodeInfo
*
nodeInfo
;
}
SSyncCluster
;
typedef
struct
{
int32_t
selfIndex
;
int
nNode
;
SyncNodeId
*
nodeId
;
ESyncRole
*
role
;
}
SNodesRole
;
struct
SSyncFSM
;
typedef
struct
SSyncFSM
{
void
*
pData
;
// apply committed log, bufs will be free by raft module
int
(
*
applyLog
)(
struct
SSyncFSM
*
fsm
,
SyncVersion
index
,
const
SSyncBuffer
*
buf
,
void
*
pData
);
// cluster commit callback
int
(
*
onClusterChanged
)(
struct
SSyncFSM
*
fsm
,
const
SSyncCluster
*
cluster
,
void
*
pData
);
// fsm return snapshot in ppBuf, bufs will be free by raft module
// TODO: getSnapshot SHOULD be async?
int
(
*
getSnapshot
)(
struct
SSyncFSM
*
fsm
,
SSyncBuffer
**
ppBuf
,
int
*
objId
,
bool
*
isLast
);
// fsm apply snapshot with pBuf data
int
(
*
applySnapshot
)(
struct
SSyncFSM
*
fsm
,
SSyncBuffer
*
pBuf
,
int
objId
,
bool
isLast
);
// call when restore snapshot and log done
int
(
*
onRestoreDone
)(
struct
SSyncFSM
*
fsm
);
void
(
*
onRollback
)(
struct
SSyncFSM
*
fsm
,
SyncVersion
index
,
const
SSyncBuffer
*
buf
);
void
(
*
onRoleChanged
)(
struct
SSyncFSM
*
fsm
,
const
SNodesRole
*
pRole
);
}
SSyncFSM
;
typedef
struct
SSyncServerState
{
SyncNodeId
voteFor
;
SSyncTerm
term
;
}
SSyncServerState
;
typedef
struct
SStateManager
{
void
*
pData
;
void
(
*
saveServerState
)(
struct
SStateManager
*
stateMng
,
const
SSyncServerState
*
state
);
const
SSyncServerState
*
(
*
readServerState
)(
struct
SStateManager
*
stateMng
);
void
(
*
saveCluster
)(
struct
SStateManager
*
stateMng
,
const
SSyncCluster
*
cluster
);
const
SSyncCluster
*
(
*
readCluster
)(
struct
SStateManager
*
stateMng
);
}
SStateManager
;
typedef
struct
{
int32_t
vgId
;
// vgroup ID
twalh
walHandle
;
SyncVersion
snapIndex
;
// initial version
SSyncCluster
syncCfg
;
// configuration from mgmt
SSyncFSM
fsm
;
SStateManager
stateManager
;
}
SSyncInfo
;
int32_t
syncInit
();
void
syncCleanUp
();
SyncNodeId
syncStart
(
const
SSyncInfo
*
);
void
syncStop
(
SyncNodeId
);
int32_t
syncPropose
(
SyncNodeId
nodeId
,
SSyncBuffer
buffer
,
void
*
pData
,
bool
isWeak
);
extern
int32_t
raftDebugFlag
;
#ifdef __cplusplus
}
#endif
#endif // TDENGINE_RAFT_SYNC_H
source/libs/raft/CMakeLists.txt
浏览文件 @
f0b31fed
aux_source_directory
(
src RAFT_SRC
)
add_library
(
raft
${
RAFT_SRC
}
)
target_link_libraries
(
raft
PUBLIC common
PUBLIC util
PUBLIC wal
)
target_include_directories
(
raft
PUBLIC
"
${
CMAKE_SOURCE_DIR
}
/include/libs/raft"
...
...
source/libs/raft/src/raft.c
浏览文件 @
f0b31fed
...
...
@@ -11,4 +11,6 @@
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
\ No newline at end of file
*/
#include "raft_sync.h"
\ No newline at end of file
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