add sync function, need to refactor again

src/inc/tsdb.h

@@ -109,6 +109,8 @@ int   tsdbDropTable(TsdbRepoT *pRepo, STableId tableId);
 int   tsdbAlterTable(TsdbRepoT *repo, STableCfg *pCfg);
 TSKEY tsdbGetTableLastKey(TsdbRepoT *repo, int64_t uid);
 
+uint32_t tsdbGetFileInfo(TsdbRepoT *repo, char *name, uint32_t *index, int32_t *size);
+
 // the TSDB repository info
 typedef struct STsdbRepoInfo {
   STsdbCfg tsdbCfg;

src/tsdb/inc/tsdbMain.h

@@ -490,9 +490,10 @@ int tsdbWriteCompInfo(SRWHelper *pHelper);
 int tsdbWriteCompIdx(SRWHelper *pHelper);
 
 // --------- Other functions need to further organize
-void tsdbFitRetention(STsdbRepo *pRepo);
-int  tsdbAlterCacheTotalBlocks(STsdbRepo *pRepo, int totalBlocks);
-void tsdbAdjustCacheBlocks(STsdbCache *pCache);
+void    tsdbFitRetention(STsdbRepo *pRepo);
+int     tsdbAlterCacheTotalBlocks(STsdbRepo *pRepo, int totalBlocks);
+void    tsdbAdjustCacheBlocks(STsdbCache *pCache);
+int32_t tsdbGetMetaFileName(char *rootDir, char *fname);
 
 #ifdef __cplusplus
 }

src/tsdb/src/tsdbMain.c

@@ -7,6 +7,7 @@
 #include "tscompression.h"
 #include "tchecksum.h"
 #include "ttime.h"
+#include <sys/stat.h>
 
 int tsdbDebugFlag = 135;
 
@@ -760,7 +761,7 @@ static int32_t tsdbSetRepoEnv(STsdbRepo *pRepo) {
     return -1;
   }
 
-  tsdbError(
+  tsdbTrace(
       "id %d: set up tsdb environment succeed! cacheBlockSize %d, totalBlocks %d, maxTables %d, daysPerFile %d, keep "
       "%d, minRowsPerFileBlock %d, maxRowsPerFileBlock %d, precision %d, compression%d",
       pRepo->config.tsdbId, pCfg->cacheBlockSize, pCfg->totalBlocks, pCfg->maxTables, pCfg->daysPerFile, pCfg->keep,
@@ -1124,4 +1125,45 @@ static void tsdbAlterKeep(STsdbRepo *pRepo, int32_t keep) {
 
 static void tsdbAlterMaxTables(STsdbRepo *pRepo, int32_t maxTables) {
   // TODO
+}
+
+uint32_t tsdbGetFileInfo(TsdbRepoT *repo, char *name, uint32_t *index, int32_t *size) {
+  // TODO: need to refactor this function
+  tsdbError("name:%s index:%d size:%d", name, *index, *size);
+
+  STsdbRepo *pRepo = (STsdbRepo *)repo;
+  // STsdbMeta *pMeta = pRepo->tsdbMeta;
+  STsdbFileH *pFileH = pRepo->tsdbFileH;
+  uint32_t   magic = 0;
+  char       fname[256] = "\0";
+
+  struct stat fState;
+
+  if (name[0] == 0) {
+    // Map index to the file name
+    int fid = (*index) / 3;
+
+    if (fid > pFileH->numOfFGroups) {
+      // return meta data file
+      if ((*index) % 3 > 0) { // it is finished
+        return 0;
+      } else {
+        tsdbGetMetaFileName(pRepo->rootDir, fname);
+      }
+    } else {
+      // return data file name
+      strcpy(fname, pFileH->fGroup[fid].files[(*index) % 3].fname);
+    }
+    strcpy(name, fname);
+  } else {
+    // Name is provided, need to get the file info
+    sprintf(fname, "%s/%s", pRepo->rootDir, name);
+  }
+
+  if (stat(fname, &fState) < 0) return 0;
+
+  *size = fState.st_size;
+  magic = *size;
+
+  return magic;
 }

src/tsdb/src/tsdbMetaFile.c

@@ -28,7 +28,7 @@ typedef struct {
   int64_t uid;
 } SRecordInfo;
 
-static int32_t tsdbGetMetaFileName(char *rootDir, char *fname);
+// static int32_t tsdbGetMetaFileName(char *rootDir, char *fname);
 // static int32_t tsdbCheckMetaHeader(int fd);
 static int32_t tsdbWriteMetaHeader(int fd);
 static int     tsdbCreateMetaFile(char *fname);
@@ -180,7 +180,7 @@ void tsdbCloseMetaFile(SMetaFile *mfh) {
   tfree(mfh);
 }
 
-static int32_t tsdbGetMetaFileName(char *rootDir, char *fname) {
+int32_t tsdbGetMetaFileName(char *rootDir, char *fname) {
   if (rootDir == NULL) return -1;
   sprintf(fname, "%s/%s", rootDir, TSDB_META_FILE_NAME);
   return 0;

src/vnode/src/vnodeMain.c

@@ -383,9 +383,8 @@ static int vnodeWalCallback(void *arg) {
 }
 
 static uint32_t vnodeGetFileInfo(void *ahandle, char *name, uint32_t *index, int32_t *size) {
-  // SVnodeObj *pVnode = ahandle;
-  //tsdbGetFileInfo(pVnode->tsdb, name, index, size);
-  return 0;
+  SVnodeObj *pVnode = ahandle;
+  return tsdbGetFileInfo(pVnode->tsdb, name, index, size);
 }
 
 static int vnodeGetWalInfo(void *ahandle, char *name, uint32_t *index) {