integrate TFS

include/libs/tfs/tfs.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TD_TFS_H
+#define TD_TFS_H
+
+#include "tglobal.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+  int level;
+  int id;
+} SDiskID;
+
+#define TFS_UNDECIDED_LEVEL -1
+#define TFS_UNDECIDED_ID -1
+#define TFS_PRIMARY_LEVEL 0
+#define TFS_PRIMARY_ID 0
+#define TFS_MIN_LEVEL 0
+#define TFS_MAX_LEVEL (TSDB_MAX_TIERS - 1)
+
+// FS APIs ====================================
+typedef struct {
+  int64_t tsize;
+  int64_t used;
+  int64_t avail;
+} SFSMeta;
+
+typedef struct {
+  int64_t size;
+  int64_t used;
+  int64_t free;
+  int16_t nAvailDisks;  // # of Available disks
+} STierMeta;
+
+int  tfsInit(SDiskCfg *pDiskCfg, int ndisk);
+void tfsDestroy();
+void tfsUpdateInfo(SFSMeta *pFSMeta, STierMeta *tierMetas, int8_t numLevels);
+void tfsGetMeta(SFSMeta *pMeta);
+void tfsAllocDisk(int expLevel, int *level, int *id);
+
+const char *TFS_PRIMARY_PATH();
+const char *TFS_DISK_PATH(int level, int id);
+
+// TFILE APIs ====================================
+typedef struct {
+  int  level;
+  int  id;
+  char rname[TSDB_FILENAME_LEN];  // REL name
+  char aname[TSDB_FILENAME_LEN];  // ABS name
+} TFILE;
+
+#define TFILE_LEVEL(pf) ((pf)->level)
+#define TFILE_ID(pf) ((pf)->id)
+#define TFILE_NAME(pf) ((pf)->aname)
+#define TFILE_REL_NAME(pf) ((pf)->rname)
+
+#define tfsopen(pf, flags) open(TFILE_NAME(pf), flags)
+#define tfsclose(fd) close(fd)
+#define tfsremove(pf) remove(TFILE_NAME(pf))
+#define tfscopy(sf, df) taosCopy(TFILE_NAME(sf), TFILE_NAME(df))
+#define tfsrename(sf, df) taosRename(TFILE_NAME(sf), TFILE_NAME(df))
+
+void  tfsInitFile(TFILE *pf, int level, int id, const char *bname);
+bool  tfsIsSameFile(const TFILE *pf1, const TFILE *pf2);
+int   tfsEncodeFile(void **buf, TFILE *pf);
+void *tfsDecodeFile(void *buf, TFILE *pf);
+void  tfsbasename(const TFILE *pf, char *dest);
+void  tfsdirname(const TFILE *pf, char *dest);
+
+// DIR APIs ====================================
+int tfsMkdirAt(const char *rname, int level, int id);
+int tfsMkdirRecurAt(const char *rname, int level, int id);
+int tfsMkdir(const char *rname);
+int tfsRmdir(const char *rname);
+int tfsRename(char *orname, char *nrname);
+
+typedef struct TDIR TDIR;
+
+TDIR *       tfsOpendir(const char *rname);
+const TFILE *tfsReaddir(TDIR *tdir);
+void         tfsClosedir(TDIR *tdir);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

include/os/os.h

@@ -44,6 +44,8 @@ extern "C" {
 #include <unistd.h>
 #include <wchar.h>
 #include <wctype.h>
+#include <regex.h>
+#include <wordexp.h>
 
 #include <sys/mman.h>
 

source/libs/CMakeLists.txt

@@ -12,3 +12,4 @@ add_subdirectory(planner)
 add_subdirectory(function)
 add_subdirectory(qcom)
 add_subdirectory(qworker)
+add_subdirectory(tfs)

source/libs/tfs/CMakeLists.txt

+aux_source_directory(src TFS_SRC)
+add_library(tfs STATIC ${TFS_SRC})
+target_include_directories(
+  tfs
+  PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/tfs"
+  PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+target_link_libraries(tfs os util common)
\ No newline at end of file

src/tfs/src/tfs.c → source/libs/tfs/src/tfs.c

@@ -15,11 +15,11 @@
 
 #include "os.h"
 
-#include "hash.h"
 #include "taosdef.h"
 #include "taoserror.h"
 #include "tfs.h"
 #include "tfsint.h"
+#include "thash.h"
 
 #define TMPNAME_LEN (TSDB_FILENAME_LEN * 2 + 32)
 
@@ -270,7 +270,8 @@ int tfsMkdirRecurAt(const char *rname, int level, int id) {
       // Some platform may modify the contents of the string passed into dirname(). Others may return a pointer to
       // internal static storage space that will be overwritten by next call. For case like that, we should not use
       // the pointer directly in this recursion.
-      // See https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/dirname.3.html
+      // See
+      // https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man3/dirname.3.html
       char *dir = strdup(dirname(s));
 
       if (tfsMkdirRecurAt(dir, level, id) < 0) {
@@ -504,7 +505,6 @@ static int tfsFormatDir(char *idir, char *odir) {
 
   wordfree(&wep);
   return 0;
-
 }
 
 static int tfsCheck() {
@@ -599,12 +599,10 @@ void taosGetDisk() {
   SysDiskSize  diskSize;
   SFSMeta      fsMeta;
 
-  if (tscEmbedded) {
-    tfsUpdateInfo(&fsMeta, NULL, 0);
-    tsTotalDataDirGB = (float)(fsMeta.tsize / unit);
-    tsUsedDataDirGB = (float)(fsMeta.used / unit);
-    tsAvailDataDirGB = (float)(fsMeta.avail / unit);
-  }
+  tfsUpdateInfo(&fsMeta, NULL, 0);
+  tsTotalDataDirGB = (float)(fsMeta.tsize / unit);
+  tsUsedDataDirGB = (float)(fsMeta.used / unit);
+  tsAvailDataDirGB = (float)(fsMeta.avail / unit);
 
   if (taosGetDiskSize(tsLogDir, &diskSize) == 0) {
     tsTotalLogDirGB = (float)(diskSize.tsize / unit);

src/tfs/CMakeLists.txt

-CMAKE_MINIMUM_REQUIRED(VERSION 2.8...3.20)
-PROJECT(TDengine)
-
-INCLUDE_DIRECTORIES(inc)
-AUX_SOURCE_DIRECTORY(src SRC)
-ADD_LIBRARY(tfs ${SRC})
-TARGET_LINK_LIBRARIES(tfs tutil)
-
-IF (TD_LINUX)
-  # Someone has no gtest directory, so comment it
-  # ADD_SUBDIRECTORY(tests)
-ENDIF ()