99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_WAL_INT_H_
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#define _TD_WAL_INT_H_
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#include "wal.h"
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#include "compare.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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//meta section begin
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typedef struct WalFileInfo {
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int64_t firstVer;
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int64_t lastVer;
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int64_t createTs;
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int64_t closeTs;
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int64_t fileSize;
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} WalFileInfo;
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static inline int32_t compareWalFileInfo(const void* pLeft, const void* pRight) {
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WalFileInfo* pInfoLeft = (WalFileInfo*)pLeft;
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WalFileInfo* pInfoRight = (WalFileInfo*)pRight;
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return compareInt64Val(&pInfoLeft->firstVer, &pInfoRight->firstVer);
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}
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static inline int64_t walGetLastFileSize(SWal* pWal) {
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WalFileInfo* pInfo = (WalFileInfo*)taosArrayGetLast(pWal->fileInfoSet);
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return pInfo->fileSize;
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}
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static inline int64_t walGetLastFileFirstVer(SWal* pWal) {
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WalFileInfo* pInfo = (WalFileInfo*)taosArrayGetLast(pWal->fileInfoSet);
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return pInfo->firstVer;
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}
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static inline int64_t walGetCurFileFirstVer(SWal* pWal) {
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WalFileInfo* pInfo = (WalFileInfo*)taosArrayGet(pWal->fileInfoSet, pWal->writeCur);
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return pInfo->firstVer;
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}
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static inline int64_t walGetCurFileLastVer(SWal* pWal) {
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WalFileInfo* pInfo = (WalFileInfo*)taosArrayGet(pWal->fileInfoSet, pWal->writeCur);
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return pInfo->firstVer;
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}
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static inline int64_t walGetCurFileOffset(SWal* pWal) {
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WalFileInfo* pInfo = (WalFileInfo*)taosArrayGet(pWal->fileInfoSet, pWal->writeCur);
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return pInfo->fileSize;
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}
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static inline bool walCurFileClosed(SWal* pWal) {
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return taosArrayGetSize(pWal->fileInfoSet) != pWal->writeCur;
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}
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static inline WalFileInfo* walGetCurFileInfo(SWal* pWal) {
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return (WalFileInfo*)taosArrayGet(pWal->fileInfoSet, pWal->writeCur);
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}
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static inline int walBuildLogName(SWal*pWal, int64_t fileFirstVer, char* buf) {
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return sprintf(buf, "%s/%" PRId64 "." WAL_LOG_SUFFIX, pWal->path, fileFirstVer);
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}
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static inline int walBuildIdxName(SWal*pWal, int64_t fileFirstVer, char* buf) {
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return sprintf(buf, "%s/%" PRId64 "." WAL_INDEX_SUFFIX, pWal->path, fileFirstVer);
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}
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int walReadMeta(SWal* pWal);
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int walWriteMeta(SWal* pWal);
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int walRollFileInfo(SWal* pWal);
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char* walFileInfoSerialize(SWal* pWal);
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SArray* walFileInfoDeserialize(const char* bytes);
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//meta section end
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int64_t walGetSeq();
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int walSeekVer(SWal *pWal, int64_t ver);
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int walRoll(SWal *pWal);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_WAL_INT_H_*/
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