refact vnode

source/dnode/vnode/CMakeLists.txt

@@ -10,7 +10,7 @@ target_sources(
     "src/vnd/vnodeCfg.c"
     "src/vnd/vnodeCommit.c"
     "src/vnd/vnodeInt.c"
-    "src/vnd/vnodeMain.c"
+    "src/vnd/vnodeOpen.c"
     "src/vnd/vnodeQuery.c"
     "src/vnd/vnodeStateMgr.c"
     "src/vnd/vnodeWrite.c"

source/dnode/vnode/inc/vnode.h

@@ -44,9 +44,10 @@ typedef struct SVnodeCfg SVnodeCfg;
 
 int     vnodeInit();
 void    vnodeCleanup();
+int     vnodeCreate(const char *path, SVnodeCfg *pCfg, STfs *pTfs);
+void    vnodeDestroy(const char *path);
 SVnode *vnodeOpen(const char *path, const SVnodeCfg *pVnodeCfg);
 void    vnodeClose(SVnode *pVnode);
-void    vnodeDestroy(const char *path);
 void    vnodePreprocessWriteReqs(SVnode *pVnode, SArray *pMsgs);
 int     vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp);
 int     vnodeProcessCMsg(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp);

source/dnode/vnode/src/vnd/vnodeOpen.c

@@ -20,6 +20,29 @@ static void    vnodeFree(SVnode *pVnode);
 static int     vnodeOpenImpl(SVnode *pVnode);
 static void    vnodeCloseImpl(SVnode *pVnode);
 
+int vnodeCreate(const char *path, SVnodeCfg *pCfg, STfs *pTfs) {
+#if 0
+  char dir[TSDB_FILENAME_LEN];
+  // TODO: check if directory exists
+
+  // check config
+  if (vnodeCheckCfg(pCfg) < 0) {
+    vError("vgId: %d failed to create vnode since: %s", pCfg->vgId, tstrerror(terrno));
+    return -1;
+  }
+
+  // create vnode env
+  tfsMkdir(pTfs, path);
+  snprintf(dir, TSDB_FILENAME_LEN, "%s%s%s", tfsGetPrimaryPath(pTfs), TD_DIRSEP, path);
+  if (vnodeSaveCfg(dir, pCfg) < 0) {
+    vError("vgId: %d failed to save vnode config since %s", pCfg->vgId, tstrerror(terrno));
+    return -1;
+  }
+
+#endif
+  return 0;
+}
+
 SVnode *vnodeOpen(const char *path, const SVnodeCfg *pVnodeCfg) {
   SVnode *pVnode = NULL;