refact vnod

source/dnode/vnode/src/inc/vnd.h

@@ -31,8 +31,6 @@ extern "C" {
 // clang-format on
 
 // vnodeCfg ====================
-int vnodeSaveCfg(const char* dir, const SVnodeCfg* pCfg);
-int vnodeCommitCfg(const char* dir);
 
 // vnodeModule ====================
 int vnodeScheduleTask(int (*execute)(void*), void* arg);
@@ -42,6 +40,10 @@ int  vnodeQueryOpen(SVnode* pVnode);
 void vnodeQueryClose(SVnode* pVnode);
 int  vnodeGetTableMeta(SVnode* pVnode, SRpcMsg* pMsg);
 
+// vnodeCommit ====================
+int vnodeSaveInfo(const char* dir, const SVnodeInfo* pCfg);
+int vnodeCommitInfo(const char* dir, const SVnodeInfo* pInfo);
+
 #if 1
 // SVBufPool
 int   vnodeOpenBufPool(SVnode* pVnode);

source/dnode/vnode/src/inc/vnodeInt.h

@@ -43,6 +43,7 @@
 extern "C" {
 #endif
 
+typedef struct SVnodeInfo   SVnodeInfo;
 typedef struct SMeta        SMeta;
 typedef struct STsdb        STsdb;
 typedef struct STQ          STQ;
@@ -72,6 +73,11 @@ struct SVState {
   int64_t applied;
 };
 
+struct SVnodeInfo {
+  SVnodeCfg config;
+  SVState   state;
+};
+
 struct SVnode {
   int32_t    vgId;
   char*      path;

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

@@ -15,12 +15,6 @@
 
 #include "vnodeInt.h"
 
-#define VND_INFO_FNAME     "vnode.json"
-#define VND_INFO_FNAME_TMP "vnode_tmp.json"
-
-static int vnodeEncodeInfo(const SVnodeCfg *pCfg, uint8_t **ppData, int *len);
-static int vnodeDecodeInfo(uint8_t *pData, int len, SVnodeCfg *pCfg);
-
 const SVnodeCfg vnodeCfgDefault = {
     .wsize = 96 * 1024 * 1024, .ssize = 1 * 1024 * 1024, .lsize = 1024, .walCfg = {.level = TAOS_WAL_WRITE}};
 
@@ -29,84 +23,6 @@ int vnodeCheckCfg(const SVnodeCfg *pCfg) {
   return 0;
 }
 
-int vnodeSaveCfg(const char *dir, const SVnodeCfg *pCfg) {
-  char      fname[TSDB_FILENAME_LEN];
-  TdFilePtr pFile;
-  uint8_t  *data;
-  int       len;
-
-  snprintf(fname, TSDB_FILENAME_LEN, "%s%s%s", dir, TD_DIRSEP, VND_INFO_FNAME_TMP);
-
-  // encode info
-  data = NULL;
-  len = 0;
-
-  if (vnodeEncodeInfo(pCfg, &data, &len) < 0) {
-    return -1;
-  }
-
-  // save info to a vnode_tmp.json
-  pFile = taosOpenFile(fname, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_TRUNC);
-  if (pFile == NULL) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  if (taosWriteFile(pFile, data, len) < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
-
-  if (taosFsyncFile(pFile) < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    goto _err;
-  }
-
-  taosCloseFile(&pFile);
-
-  // free info binary
-  taosMemoryFree(data);
-
-  vInfo("vgId: %d vnode info is saved, fname: %s", pCfg->vgId, fname);
-
-  return 0;
-
-_err:
-  taosCloseFile(&pFile);
-  taosMemoryFree(data);
-  return -1;
-}
-
-int vnodeCommitCfg(const char *dir) {
-  char fname[TSDB_FILENAME_LEN];
-  char tfname[TSDB_FILENAME_LEN];
-
-  snprintf(fname, TSDB_FILENAME_LEN, "%s%s%s", dir, TD_DIRSEP, VND_INFO_FNAME);
-  snprintf(tfname, TSDB_FILENAME_LEN, "%s%s%s", dir, TD_DIRSEP, VND_INFO_FNAME_TMP);
-
-  if (taosRenameFile(tfname, fname) < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  return 0;
-}
-
-int vnodeLoadCfg(const char *dir) {
-  // TODO
-  return 0;
-}
-
-static int vnodeEncodeInfo(const SVnodeCfg *pCfg, uint8_t **ppData, int *len) {
-  // TODO
-  return 0;
-}
-
-static int vnodeDecodeInfo(uint8_t *pData, int len, SVnodeCfg *pCfg) {
-  // TODO
-  return 0;
-}
-
 #if 1  //======================================================================
 void vnodeOptionsCopy(SVnodeCfg *pDest, const SVnodeCfg *pSrc) {
   memcpy((void *)pDest, (void *)pSrc, sizeof(SVnodeCfg));

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

@@ -15,11 +15,86 @@
 
 #include "vnodeInt.h"
 
+#define VND_INFO_FNAME     "vnode.json"
+#define VND_INFO_FNAME_TMP "vnode_tmp.json"
+
+static int  vnodeEncodeInfo(const SVnodeInfo *pInfo, uint8_t **ppData, int *len);
+static int  vnodeDecodeInfo(uint8_t *pData, int len, SVnodeInfo *pInfo);
 static int  vnodeStartCommit(SVnode *pVnode);
 static int  vnodeEndCommit(SVnode *pVnode);
 static int  vnodeCommit(void *arg);
 static void vnodeWaitCommit(SVnode *pVnode);
 
+int vnodeSaveInfo(const char *dir, const SVnodeInfo *pInfo) {
+  char      fname[TSDB_FILENAME_LEN];
+  TdFilePtr pFile;
+  uint8_t  *data;
+  int       len;
+
+  snprintf(fname, TSDB_FILENAME_LEN, "%s%s%s", dir, TD_DIRSEP, VND_INFO_FNAME_TMP);
+
+  // encode info
+  data = NULL;
+  len = 0;
+
+  if (vnodeEncodeInfo(pInfo, &data, &len) < 0) {
+    return -1;
+  }
+
+  // save info to a vnode_tmp.json
+  pFile = taosOpenFile(fname, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_TRUNC);
+  if (pFile == NULL) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  if (taosWriteFile(pFile, data, len) < 0) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    goto _err;
+  }
+
+  if (taosFsyncFile(pFile) < 0) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    goto _err;
+  }
+
+  taosCloseFile(&pFile);
+
+  // free info binary
+  taosMemoryFree(data);
+
+  vInfo("vgId: %d vnode info is saved, fname: %s", pInfo->config.vgId, fname);
+
+  return 0;
+
+_err:
+  taosCloseFile(&pFile);
+  taosMemoryFree(data);
+  return -1;
+}
+
+int vnodeCommitInfo(const char *dir, const SVnodeInfo *pInfo) {
+  char fname[TSDB_FILENAME_LEN];
+  char tfname[TSDB_FILENAME_LEN];
+
+  snprintf(fname, TSDB_FILENAME_LEN, "%s%s%s", dir, TD_DIRSEP, VND_INFO_FNAME);
+  snprintf(tfname, TSDB_FILENAME_LEN, "%s%s%s", dir, TD_DIRSEP, VND_INFO_FNAME_TMP);
+
+  if (taosRenameFile(tfname, fname) < 0) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  vInfo("vgId: %d vnode info is committed", pInfo->config.vgId);
+
+  return 0;
+}
+
+int vnodeLoadInfo(const char *dir) {
+  // TODO
+  return 0;
+}
+
 int vnodeAsyncCommit(SVnode *pVnode) {
   vnodeWaitCommit(pVnode);
 
@@ -60,4 +135,14 @@ static int vnodeEndCommit(SVnode *pVnode) {
   return 0;
 }
 
-static FORCE_INLINE void vnodeWaitCommit(SVnode *pVnode) { tsem_wait(&pVnode->canCommit); }
+static FORCE_INLINE void vnodeWaitCommit(SVnode *pVnode) { tsem_wait(&pVnode->canCommit); }
+
+static int vnodeEncodeInfo(const SVnodeInfo *pInfo, uint8_t **ppData, int *len) {
+  // TODO
+  return 0;
+}
+
+static int vnodeDecodeInfo(uint8_t *pData, int len, SVnodeInfo *pInfo) {
+  // TODO
+  return 0;
+}

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

@@ -21,7 +21,8 @@ static int     vnodeOpenImpl(SVnode *pVnode);
 static void    vnodeCloseImpl(SVnode *pVnode);
 
 int vnodeCreate(const char *path, SVnodeCfg *pCfg, STfs *pTfs) {
-  char dir[TSDB_FILENAME_LEN];
+  SVnodeInfo info = {0};
+  char       dir[TSDB_FILENAME_LEN];
 
   // TODO: check if directory exists
 
@@ -32,9 +33,15 @@ int vnodeCreate(const char *path, SVnodeCfg *pCfg, STfs *pTfs) {
   }
 
   // create vnode env
-  tfsMkdir(pTfs, path);
+  if (tfsMkdir(pTfs, path) < 0) {
+    vError("vgId: %d failed to create vnode since: %s", pCfg->vgId, tstrerror(terrno));
+    return -1;
+  }
+
   snprintf(dir, TSDB_FILENAME_LEN, "%s%s%s", tfsGetPrimaryPath(pTfs), TD_DIRSEP, path);
-  if (vnodeSaveCfg(dir, pCfg) < 0 || vnodeCommitCfg(dir) < 0) {
+  info.config = *pCfg;
+
+  if (vnodeSaveInfo(dir, &info) < 0 || vnodeCommitInfo(dir, &info) < 0) {
     vError("vgId: %d failed to save vnode config since %s", pCfg->vgId, tstrerror(terrno));
     return -1;
   }