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more writer code

This commit is contained in:
Hongze Cheng 2022-07-06 06:07:53 +00:00
parent 947359fd17
commit 1cce6e2d80
1 changed files with 22 additions and 3 deletions
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25
source/dnode/vnode/src/vnd/vnodeSnapshot.c
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@ -122,6 +122,18 @@ struct SVSnapWriter {
STsdbSnapWriter *pTsdbSnapWriter;
};
static int32_t vnodeSnapRollback(SVSnapWriter *pWriter) {
int32_t code = 0;
// TODO
return code;
}
static int32_t vnodeSnapCommit(SVSnapWriter *pWriter) {
int32_t code = 0;
// TODO
return code;
}
int32_t vnodeSnapWriterOpen(SVnode *pVnode, int64_t sver, int64_t ever, SVSnapWriter **ppWriter) {
int32_t code = 0;
SVSnapWriter *pWriter = NULL;
@ -139,20 +151,27 @@ int32_t vnodeSnapWriterOpen(SVnode *pVnode, int64_t sver, int64_t ever, SVSnapWr
return code;
_err:
vError("vgId:%d vnode snapshot writer open failed since %s", TD_VID(pVnode), tstrerror(code));
return code;
}
int32_t vnodeSnapWriterClose(SVSnapWriter *pWriter, int8_t rollback) {
int32_t code = 0;
if (!rollback) {
// apply the change
if (rollback) {
code = vnodeSnapRollback(pWriter);
if (code) goto _err;
} else {
// rollback the change
code = vnodeSnapCommit(pWriter);
if (code) goto _err;
}
taosMemoryFree(pWriter);
return code;
_err:
vError("vgId:%d vnode snapshow writer close failed since %s", TD_VID(pWriter->pVnode), tstrerror(code));
return code;
}
int32_t vnodeSnapWrite(SVSnapWriter *pWriter, uint8_t *pData, uint32_t nData) {