int lsmStructList( lsm_db *pDb, /* Database handle */ char **pzOut /* OUT: Nul-terminated string (tcl list) */ ){ Level *pTopLevel = 0; /* Top level of snapshot to report on */ int rc = LSM_OK; Level *p; LsmString s; Snapshot *pWorker; /* Worker snapshot */ int bUnlock = 0; /* Obtain the worker snapshot */ rc = infoGetWorker(pDb, &pWorker, &bUnlock); if( rc!=LSM_OK ) return rc; /* Format the contents of the snapshot as text */ pTopLevel = lsmDbSnapshotLevel(pWorker); lsmStringInit(&s, pDb->pEnv); for(p=pTopLevel; rc==LSM_OK && p; p=p->pNext){ int i; lsmStringAppendf(&s, "%s{%d", (s.n ? " " : ""), (int)p->iAge); lsmAppendSegmentList(&s, " ", &p->lhs); for(i=0; rc==LSM_OK && i<p->nRight; i++){ lsmAppendSegmentList(&s, " ", &p->aRhs[i]); } lsmStringAppend(&s, "}", 1); } rc = s.n>=0 ? LSM_OK : LSM_NOMEM; /* Release the snapshot and return */ infoFreeWorker(pDb, bUnlock); *pzOut = s.z; return rc; }
int lsmStructList( lsm_db *pDb, /* Database handle */ char **pzOut /* OUT: Nul-terminated string (tcl list) */ ){ Level *pTopLevel = 0; /* Top level of snapshot to report on */ int rc = LSM_OK; Level *p; LsmString s; Snapshot *pWorker; /* Worker snapshot */ Snapshot *pRelease = 0; /* Snapshot to release */ /* Obtain the worker snapshot */ pWorker = pDb->pWorker; if( !pWorker ){ pRelease = pWorker = lsmDbSnapshotWorker(pDb); } /* Format the contents of the snapshot as text */ pTopLevel = lsmDbSnapshotLevel(pWorker); lsmStringInit(&s, pDb->pEnv); for(p=pTopLevel; rc==LSM_OK && p; p=p->pNext){ int i; lsmStringAppendf(&s, "%s{", (s.n ? " " : "")); lsmAppendSegmentList(&s, "", &p->lhs); for(i=0; rc==LSM_OK && i<p->nRight; i++){ lsmAppendSegmentList(&s, " ", &p->aRhs[i]); } lsmStringAppend(&s, "}", 1); } rc = s.n>=0 ? LSM_OK : LSM_NOMEM; /* Release the snapshot and return */ lsmDbSnapshotRelease(pDb->pEnv, pRelease); *pzOut = s.z; return rc; }
static int infoFreelistCb(void *pCtx, int iBlk, i64 iSnapshot){ LsmString *pStr = (LsmString *)pCtx; lsmStringAppendf(pStr, "%s{%d %lld}", (pStr->n?" ":""), iBlk, iSnapshot); return 0; }
void lsmAppendSegmentList(LsmString *pStr, char *zPre, Segment *pSeg){ lsmStringAppendf(pStr, "%s{%d %d %d %d}", zPre, pSeg->iFirst, pSeg->iLastPg, pSeg->iRoot, pSeg->nSize ); }