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

71 lines
2.6 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_UTIL_H
#define _TD_LIBS_SYNC_UTIL_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "syncInt.h"
#include "syncMessage.h"
#include "taosdef.h"
// ---- encode / decode
uint64_t syncUtilAddr2U64(const char* host, uint16_t port);
void syncUtilU642Addr(uint64_t u64, char* host, size_t len, uint16_t* port);
void syncUtilnodeInfo2EpSet(const SNodeInfo* pNodeInfo, SEpSet* pEpSet);
void syncUtilraftId2EpSet(const SRaftId* raftId, SEpSet* pEpSet);
void syncUtilnodeInfo2raftId(const SNodeInfo* pNodeInfo, SyncGroupId vgId, SRaftId* raftId);
bool syncUtilSameId(const SRaftId* pId1, const SRaftId* pId2);
bool syncUtilEmptyId(const SRaftId* pId);
// ---- SSyncBuffer ----
void syncUtilbufBuild(SSyncBuffer* syncBuf, size_t len);
void syncUtilbufDestroy(SSyncBuffer* syncBuf);
void syncUtilbufCopy(const SSyncBuffer* src, SSyncBuffer* dest);
void syncUtilbufCopyDeep(const SSyncBuffer* src, SSyncBuffer* dest);
// ---- misc ----
int32_t syncUtilRand(int32_t max);
int32_t syncUtilElectRandomMS(int32_t min, int32_t max);
int32_t syncUtilQuorum(int32_t replicaNum);
cJSON* syncUtilNodeInfo2Json(const SNodeInfo* p);
cJSON* syncUtilRaftId2Json(const SRaftId* p);
char* syncUtilRaftId2Str(const SRaftId* p);
const char* syncUtilState2String(ESyncState state);
bool syncUtilCanPrint(char c);
char* syncUtilprintBin(char* ptr, uint32_t len);
char* syncUtilprintBin2(char* ptr, uint32_t len);
SyncIndex syncUtilMinIndex(SyncIndex a, SyncIndex b);
SyncIndex syncUtilMaxIndex(SyncIndex a, SyncIndex b);
void syncUtilMsgHtoN(void* msg);
void syncUtilMsgNtoH(void* msg);
bool syncUtilIsData(tmsg_t msgType);
bool syncUtilUserPreCommit(tmsg_t msgType);
bool syncUtilUserCommit(tmsg_t msgType);
bool syncUtilUserRollback(tmsg_t msgType);
void syncUtilJson2Line(char* jsonStr);
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_UTIL_H*/