xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

wal add sync info

This commit is contained in:
Liu Jicong 2022-03-26 15:45:57 +08:00
parent 7bd71bcb81
commit 96eb6a9bcf
2 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
include/libs/wal/wal.h
View File

@ -75,14 +75,18 @@ extern "C" {
#define WAL_CUR_FAILED 1
#pragma pack(push, 1)
typedef enum { TAOS_WAL_NOLOG = 0, TAOS_WAL_WRITE = 1, TAOS_WAL_FSYNC = 2 } EWalType;
typedef enum {
TAOS_WAL_NOLOG = 0,
TAOS_WAL_WRITE = 1,
TAOS_WAL_FSYNC = 2,
} EWalType;
// used by sync module
typedef struct {
int8_t isWeek;
uint64_t seqNum;
uint64_t term;
} SSyncInfo;
} SSyncLogMeta;
typedef struct SWalReadHead {
int8_t headVer;
@ -92,8 +96,8 @@ typedef struct SWalReadHead {
int64_t ingestTs; // not implemented
int64_t version;
// sync info
SSyncInfo syncInfo;
// sync meta
SSyncLogMeta syncMeta;
char body[];
} SWalReadHead;
@ -169,7 +173,8 @@ int32_t walAlter(SWal *, SWalCfg *pCfg);
void walClose(SWal *);
// write
int64_t walWriteWithSyncInfo(SWal *, int64_t index, tmsg_t msgType, SSyncInfo info, const void *body, int32_t bodyLen);
int64_t walWriteWithSyncInfo(SWal *, int64_t index, tmsg_t msgType, SSyncLogMeta syncMeta, const void *body,
int32_t bodyLen);
int64_t walWrite(SWal *, int64_t index, tmsg_t msgType, const void *body, int32_t bodyLen);
void walFsync(SWal *, bool force);

8
source/libs/wal/src/walWrite.c
View File

@ -253,7 +253,7 @@ static int walWriteIndex(SWal *pWal, int64_t ver, int64_t offset) {
return 0;
}
int64_t walWriteWithSyncInfo(SWal *pWal, int64_t index, tmsg_t msgType, SSyncInfo syncInfo, const void *body,
int64_t walWriteWithSyncInfo(SWal *pWal, int64_t index, tmsg_t msgType, SSyncLogMeta syncMeta, const void *body,
int32_t bodyLen) {
if (pWal == NULL) return -1;
int code = 0;
@ -299,7 +299,7 @@ int64_t walWriteWithSyncInfo(SWal *pWal, int64_t index, tmsg_t msgType, SSyncInf
pWal->writeHead.head.msgType = msgType;
// sync info
pWal->writeHead.head.syncInfo = syncInfo;
pWal->writeHead.head.syncMeta = syncMeta;
pWal->writeHead.cksumHead = walCalcHeadCksum(&pWal->writeHead);
pWal->writeHead.cksumBody = walCalcBodyCksum(body, bodyLen);
@ -338,12 +338,12 @@ int64_t walWriteWithSyncInfo(SWal *pWal, int64_t index, tmsg_t msgType, SSyncInf
}
int64_t walWrite(SWal *pWal, int64_t index, tmsg_t msgType, const void *body, int32_t bodyLen) {
SSyncInfo info = {
SSyncLogMeta syncMeta = {
.isWeek = -1,
.seqNum = UINT64_MAX,
.term = UINT64_MAX,
};
return walWriteWithSyncInfo(pWal, index, msgType, info, body, bodyLen);
return walWriteWithSyncInfo(pWal, index, msgType, syncMeta, body, bodyLen);
}
void walFsync(SWal *pWal, bool forceFsync) {