homework-jianmu/source/libs/sync/inc/syncRaftEntry.h

117 lines
4.8 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@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_LIBS_SYNC_RAFT_ENTRY_H
#define _TD_LIBS_SYNC_RAFT_ENTRY_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "syncInt.h"
#include "syncMessage.h"
#include "taosdef.h"
#include "tref.h"
#include "tskiplist.h"
typedef struct SSyncRaftEntry {
uint32_t bytes;
uint32_t msgType; // TDMT_SYNC_CLIENT_REQUEST
uint32_t originalRpcType; // origin RpcMsg msgType
uint64_t seqNum;
bool isWeak;
SyncTerm term;
SyncIndex index;
int64_t rid;
uint32_t dataLen; // origin RpcMsg.contLen
char data[]; // origin RpcMsg.pCont
} SSyncRaftEntry;
SSyncRaftEntry* syncEntryBuild(uint32_t dataLen);
SSyncRaftEntry* syncEntryBuild2(SyncClientRequest* pMsg, SyncTerm term, SyncIndex index); // step 4
SSyncRaftEntry* syncEntryBuild3(SyncClientRequest* pMsg, SyncTerm term, SyncIndex index);
SSyncRaftEntry* syncEntryBuild4(SRpcMsg* pOriginalMsg, SyncTerm term, SyncIndex index);
SSyncRaftEntry* syncEntryBuildNoop(SyncTerm term, SyncIndex index, int32_t vgId);
void syncEntryDestory(SSyncRaftEntry* pEntry);
char* syncEntrySerialize(const SSyncRaftEntry* pEntry, uint32_t* len); // step 5
SSyncRaftEntry* syncEntryDeserialize(const char* buf, uint32_t len); // step 6
cJSON* syncEntry2Json(const SSyncRaftEntry* pEntry);
char* syncEntry2Str(const SSyncRaftEntry* pEntry);
void syncEntry2OriginalRpc(const SSyncRaftEntry* pEntry, SRpcMsg* pRpcMsg); // step 7
// for debug ----------------------
void syncEntryPrint(const SSyncRaftEntry* pObj);
void syncEntryPrint2(char* s, const SSyncRaftEntry* pObj);
void syncEntryLog(const SSyncRaftEntry* pObj);
void syncEntryLog2(char* s, const SSyncRaftEntry* pObj);
//-----------------------------------
typedef struct SRaftEntryHashCache {
SHashObj* pEntryHash;
int32_t maxCount;
int32_t currentCount;
TdThreadMutex mutex;
SSyncNode* pSyncNode;
} SRaftEntryHashCache;
SRaftEntryHashCache* raftCacheCreate(SSyncNode* pSyncNode, int32_t maxCount);
void raftCacheDestroy(SRaftEntryHashCache* pCache);
int32_t raftCachePutEntry(struct SRaftEntryHashCache* pCache, SSyncRaftEntry* pEntry);
int32_t raftCacheGetEntry(struct SRaftEntryHashCache* pCache, SyncIndex index, SSyncRaftEntry** ppEntry);
int32_t raftCacheGetEntryP(struct SRaftEntryHashCache* pCache, SyncIndex index, SSyncRaftEntry** ppEntry);
int32_t raftCacheDelEntry(struct SRaftEntryHashCache* pCache, SyncIndex index);
int32_t raftCacheGetAndDel(struct SRaftEntryHashCache* pCache, SyncIndex index, SSyncRaftEntry** ppEntry);
int32_t raftCacheClear(struct SRaftEntryHashCache* pCache);
cJSON* raftCache2Json(SRaftEntryHashCache* pObj);
char* raftCache2Str(SRaftEntryHashCache* pObj);
void raftCachePrint(SRaftEntryHashCache* pObj);
void raftCachePrint2(char* s, SRaftEntryHashCache* pObj);
void raftCacheLog(SRaftEntryHashCache* pObj);
void raftCacheLog2(char* s, SRaftEntryHashCache* pObj);
//-----------------------------------
typedef struct SRaftEntryCache {
SSkipList* pSkipList;
int32_t maxCount;
int32_t currentCount;
int32_t refMgr;
TdThreadMutex mutex;
SSyncNode* pSyncNode;
} SRaftEntryCache;
SRaftEntryCache* raftEntryCacheCreate(SSyncNode* pSyncNode, int32_t maxCount);
void raftEntryCacheDestroy(SRaftEntryCache* pCache);
int32_t raftEntryCachePutEntry(struct SRaftEntryCache* pCache, SSyncRaftEntry* pEntry);
int32_t raftEntryCacheGetEntry(struct SRaftEntryCache* pCache, SyncIndex index, SSyncRaftEntry** ppEntry);
int32_t raftEntryCacheGetEntryP(struct SRaftEntryCache* pCache, SyncIndex index, SSyncRaftEntry** ppEntry);
int32_t raftEntryCacheClear(struct SRaftEntryCache* pCache, int32_t count);
cJSON* raftEntryCache2Json(SRaftEntryCache* pObj);
char* raftEntryCache2Str(SRaftEntryCache* pObj);
void raftEntryCachePrint(SRaftEntryCache* pObj);
void raftEntryCachePrint2(char* s, SRaftEntryCache* pObj);
void raftEntryCacheLog(SRaftEntryCache* pObj);
void raftEntryCacheLog2(char* s, SRaftEntryCache* pObj);
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_RAFT_ENTRY_H*/