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体验新版 GitCode,发现更多精彩内容 >>
提交
9eafb7d8
编写于
10月 09, 2021
作者:
L
lichuang
浏览文件
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电子邮件补丁
差异文件
[feature][TD-10557]add raft interface
上级
a5359084
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
302 addition
and
4 deletion
+302
-4
include/libs/raft/raft.h
include/libs/raft/raft.h
+138
-4
src/raft/CMakeLists.txt
src/raft/CMakeLists.txt
+7
-0
src/raft/inc/raft.h
src/raft/inc/raft.h
+157
-0
未找到文件。
include/libs/raft/raft.h
浏览文件 @
9eafb7d8
/*
* Copyright (c) 2019 TAOS Data, Inc. <
jhtao
@taosdata.com>
* 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
...
...
@@ -13,15 +13,149 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef
_TD_RAFT_H_
#define
_TD_RAFT_H_
#ifndef
TD_RAFT_H
#define
TD_RAFT_H
#ifdef __cplusplus
extern
"C"
{
#endif
#include <stdio.h>
#include "taosdef.h"
typedef
unsigned
int
RaftId
;
typedef
unsigned
int
RaftGroupId
;
// buffer holding data
typedef
struct
RaftBuffer
{
void
*
data
;
size_t
len
;
}
RaftBuffer
;
// a single server information in a cluster
typedef
struct
RaftServer
{
RaftId
id
;
char
fqdn
[
TSDB_FQDN_LEN
];
uint16_t
port
;
}
RaftServer
;
// all servers in a cluster
typedef
struct
RaftConfiguration
{
RaftServer
*
servers
;
int
nServer
;
}
RaftConfiguration
;
// raft lib module
struct
Raft
;
typedef
struct
Raft
Raft
;
struct
RaftNode
;
typedef
struct
RaftNode
RaftNode
;
// raft state machine
struct
RaftFSM
;
typedef
struct
RaftFSM
{
// statemachine user data
void
*
data
;
// apply buffer data, bufs will be free by raft module
int
(
*
apply
)(
struct
RaftFSM
*
fsm
,
const
RaftBuffer
*
bufs
[],
int
nBufs
);
// configuration commit callback
int
(
*
onConfigurationCommit
)(
const
RaftConfiguration
*
cluster
);
// fsm return snapshot in ppBuf, bufs will be free by raft module
// TODO: getSnapshot SHOULD be async?
int
(
*
getSnapshot
)(
struct
RaftFSM
*
fsm
,
RaftBuffer
**
ppBuf
);
// fsm restore with pBuf data
int
(
*
restore
)(
struct
RaftFSM
*
fsm
,
RaftBuffer
*
pBuf
);
// fsm send data in buf to server,buf will be free by raft module
int
(
*
send
)(
struct
RaftFSM
*
fsm
,
const
RaftServer
*
server
,
const
RaftBuffer
*
buf
);
}
RaftFSM
;
typedef
struct
RaftNodeOptions
{
// user define state machine
RaftFSM
*
pFSM
;
// election timeout(in ms)
// by default: 1000
int
electionTimeoutMS
;
// heart timeout(in ms)
// by default: 100
int
heartbeatTimeoutMS
;
// install snapshot timeout(in ms)
int
installSnapshotTimeoutMS
;
/**
* number of log entries before starting a new snapshot.
* by default: 1024
*/
int
snapshotThreshold
;
/**
* Number of log entries to keep in the log after a snapshot has
* been taken.
* by default: 128.
*/
int
snapshotTrailing
;
/**
* Enable or disable pre-vote support.
* by default: false
*/
bool
preVote
;
}
RaftNodeOptions
;
// create raft lib
int
RaftCreate
(
Raft
**
ppRaft
);
int
RaftDestroy
(
Raft
*
pRaft
);
// start a raft node with options,node id,group id
int
RaftStart
(
Raft
*
pRaft
,
RaftId
selfId
,
RaftGroupId
selfGroupId
,
const
RaftConfiguration
*
cluster
,
const
RaftNodeOptions
*
options
,
RaftNode
**
ppNode
);
// stop a raft node
int
RaftStop
(
RaftNode
*
pNode
);
// client apply a cmd in buf
typedef
void
(
*
RaftApplyFp
)(
const
RaftBuffer
*
pBuf
,
int
result
);
int
RaftApply
(
RaftNode
*
pNode
,
const
RaftBuffer
*
pBuf
,
RaftApplyFp
applyCb
);
// recv data from other servers in cluster,buf will be free in raft
int
RaftRecv
(
RaftNode
*
pNode
,
const
RaftBuffer
*
pBuf
);
// change cluster servers API
typedef
void
(
*
RaftChangeFp
)(
const
RaftServer
*
pServer
,
int
result
);
int
RaftAddServer
(
RaftNode
*
pNode
,
const
RaftServer
*
pServer
,
RaftChangeFp
changeCb
);
int
RaftRemoveServer
(
RaftNode
*
pNode
,
const
RaftServer
*
pServer
,
RaftChangeFp
changeCb
);
// transfer leader to id
typedef
void
(
*
RaftTransferFp
)(
RaftId
id
,
int
result
);
int
RaftTransfer
(
RaftNode
*
pNode
,
RaftId
id
,
RaftTransferFp
transferCb
);
#ifdef __cplusplus
}
#endif
#endif
/*_TD_RAFT_H_*/
\ No newline at end of file
#endif
/* TD_RAFT_H */
\ No newline at end of file
src/raft/CMakeLists.txt
0 → 100644
浏览文件 @
9eafb7d8
aux_source_directory
(
source RAFT_SRC
)
add_library
(
raft
${
RAFT_SRC
}
)
target_include_directories
(
raft
PUBLIC
"
${
CMAKE_SOURCE_DIR
}
/include/raft"
PRIVATE
"
${
CMAKE_CURRENT_SOURCE_DIR
}
/include"
)
\ No newline at end of file
src/raft/inc/raft.h
0 → 100644
浏览文件 @
9eafb7d8
/*
* 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 TD_RAFT_H
#define TD_RAFT_H
#ifdef __cplusplus
extern
"C"
{
#endif
#include <stdio.h>
#include "taosdef.h"
typedef
unsigned
int
RaftId
;
typedef
unsigned
int
RaftGroupId
;
// buffer holding data
typedef
struct
RaftBuffer
{
void
*
data
;
size_t
len
;
}
RaftBuffer
;
// a single server information in a cluster
typedef
struct
RaftServer
{
RaftId
id
;
char
fqdn
[
TSDB_FQDN_LEN
];
uint16_t
port
;
}
RaftServer
;
// all servers in a cluster
typedef
struct
RaftConfiguration
{
RaftServer
*
servers
;
int
nServer
;
}
RaftConfiguration
;
// raft lib module
struct
Raft
;
typedef
struct
Raft
Raft
;
struct
RaftNode
;
typedef
struct
RaftNode
RaftNode
;
// raft state machine
struct
RaftFSM
;
typedef
struct
RaftFSM
{
// statemachine user data
void
*
data
;
// apply buffer data, bufs will be free by raft module
int
(
*
apply
)(
struct
RaftFSM
*
fsm
,
const
RaftBuffer
*
bufs
[],
int
nBufs
);
// fsm return snapshot in ppBuf, bufs will be free by raft module
// TODO: getSnapshot SHOULD be async?
int
(
*
getSnapshot
)(
struct
RaftFSM
*
fsm
,
RaftBuffer
**
ppBuf
);
// fsm restore with pBuf data
int
(
*
restore
)(
struct
RaftFSM
*
fsm
,
RaftBuffer
*
pBuf
);
// fsm send data in buf to server,buf will be free by raft module
int
(
*
send
)(
struct
RaftFSM
*
fsm
,
const
RaftServer
*
server
,
const
RaftBuffer
*
buf
);
}
RaftFSM
;
typedef
struct
RaftNodeOptions
{
// user define state machine
RaftFSM
*
pFSM
;
// election timeout(in ms)
// by default: 150
int
electionTimeoutMS
;
// heart timeout(in ms)
// by default: 50
int
heartbeatTimeoutMS
;
// install snapshot timeout(in ms)
int
installSnapshotTimeoutMS
;
/**
* number of log entries before starting a new snapshot.
* by default: 1024
*/
int
snapshotThreshold
;
/**
* Number of log entries to keep in the log after a snapshot has
* been taken.
* by default: 128.
*/
int
snapshotTrailing
;
/**
* Enable or disable pre-vote support.
* by default: false
*/
bool
preVote
;
}
RaftNodeOptions
;
int
RaftCreate
(
Raft
**
ppRaft
);
int
RaftDestroy
(
Raft
*
pRaft
);
// start a raft node with options and cluster configuration
int
RaftStart
(
Raft
*
pRaft
,
RaftId
selfId
,
RaftGroupId
selfGroupId
,
const
RaftNodeOptions
*
options
,
const
RaftConfiguration
*
cluster
RaftNode
**
ppNode
);
// stop a raft node
int
RaftStop
(
RaftNode
*
pNode
);
// client apply a cmd in buf
typedef
void
(
*
RaftApplyFp
)(
const
RaftBuffer
*
pBuf
,
int
result
);
int
RaftApply
(
RaftNode
*
pNode
,
const
RaftBuffer
*
pBuf
,
RaftApplyFp
applyCb
);
// recv data from other servers in cluster,buf will be free in raft
int
RaftRecv
(
RaftNode
*
pNode
,
const
RaftBuffer
*
pBuf
);
// change cluster servers API
typedef
void
(
*
RaftChangeFp
)(
const
RaftServer
*
pServer
,
int
result
);
int
RaftAddServer
(
RaftNode
*
pNode
,
const
RaftServer
*
pServer
,
RaftChangeFp
changeCb
);
int
RaftRemoveServer
(
RaftNode
*
pNode
,
const
RaftServer
*
pServer
,
RaftChangeFp
changeCb
);
// transfer leader to id
typedef
void
(
*
RaftTransferFp
)(
RaftId
id
,
int
result
);
int
RaftTransfer
(
RaftNode
*
pNode
,
RaftId
id
,
RaftTransferFp
transferCb
);
#ifdef __cplusplus
}
#endif
#endif
/* TD_RAFT_H */
\ No newline at end of file
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