config interface

include/libs/config/config.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_CONFIG_H_
+#define _TD_CONFIG_H_
+
+#include "os.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum { CFG_TYPE_NONE, CFG_TYPE_TAOS_CFG, CFG_TYPE_DOT_ENV, CFG_TYPE_ENV_VAR, CFG_TYPE_APOLLO_URL } ECfgType;
+
+typedef enum {
+  CFG_DYPE_NONE,
+  CFG_DYPE_BOOL,
+  CFG_DTYPE_INT8,
+  CFG_DTYPE_UINT8,
+  CFG_DTYPE_INT16,
+  CFG_DTYPE_UINT16,
+  CFG_DTYPE_INT32,
+  CFG_DTYPE_UINT32,
+  CFG_DTYPE_INT64,
+  CFG_DTYPE_UINT64,
+  CFG_DTYPE_FLOAT,
+  CFG_DTYPE_DOUBLE,
+  CFG_DTYPE_STRING,
+  CFG_DTYPE_FQDN,
+  CFG_DTYPE_IPSTR,
+  CFG_DTYPE_DIR,
+  CFG_DTYPE_FILE
+} ECfgDataType;
+
+typedef enum {
+  CFG_UTYPE_NONE,
+  CFG_UTYPE_PERCENT,
+  CFG_UTYPE_GB,
+  CFG_UTYPE_MB,
+  CFG_UTYPE_BYTE,
+  CFG_UTYPE_SECOND,
+  CFG_UTYPE_MS
+} ECfgUnitType;
+
+typedef struct SConfig SConfig;
+
+SConfig *cfgInit();
+int32_t  cfgLoad(SConfig *pConfig, ECfgType cfgType, const char *sourceStr);
+void     cfgCleanup(SConfig *pConfig);
+
+int32_t cfgGetSize(SConfig *pConfig);
+void   *cfgIterate(SConfig *pConfig, void *p);
+void    cfgCancelIterate(SConfig *pConfig, void *p);
+
+void cfgAddBool(SConfig *pConfig, const char *name, bool defaultVal, ECfgUnitType utype);
+void cfgAddInt8(SConfig *pConfig, const char *name, int8_t defaultVal, ECfgUnitType utype);
+void cfgAddUInt8(SConfig *pConfig, const char *name, uint8_t defaultVal, ECfgUnitType utype);
+void cfgAddInt16(SConfig *pConfig, const char *name, int16_t defaultVal, ECfgUnitType utype);
+void cfgAddUInt16(SConfig *pConfig, const char *name, uint16_t defaultVal, ECfgUnitType utype);
+void cfgAddInt32(SConfig *pConfig, const char *name, int32_t defaultVal, ECfgUnitType utype);
+void cfgAddUInt32(SConfig *pConfig, const char *name, uint32_t defaultVal, ECfgUnitType utype);
+void cfgAddInt64(SConfig *pConfig, const char *name, int64_t defaultVal, ECfgUnitType utype);
+void cfgAddUInt64(SConfig *pConfig, const char *name, uint64_t defaultVal, ECfgUnitType utype);
+void cfgAddFloat(SConfig *pConfig, const char *name, float defaultVal, ECfgUnitType utype);
+void cfgAddDouble(SConfig *pConfig, const char *name, double defaultVal, ECfgUnitType utype);
+void cfgAddString(SConfig *pConfig, const char *name, const char *defaultVal, ECfgUnitType utype);
+void cfgAddFqdn(SConfig *pConfig, const char *name, const char *defaultVal, ECfgUnitType utype);
+void cfgAddIpStr(SConfig *pConfig, const char *name, const char *defaultVal, ECfgUnitType utype);
+void cfgAddDir(SConfig *pConfig, const char *name, const char *defaultVal, ECfgUnitType utype);
+void cfgAddFile(SConfig *pConfig, const char *name, const char *defaultVal, ECfgUnitType utype);
+
+bool        cfgGetBool(SConfig *pConfig, const char *name);
+int8_t      cfgGetInt8(SConfig *pConfig, const char *name);
+uint8_t     cfgGetUInt8(SConfig *pConfig, const char *name);
+int16_t     cfgGetInt16(SConfig *pConfig, const char *name);
+uint16_t    cfgGetUInt16(SConfig *pConfig, const char *name);
+int32_t     cfgGetInt32(SConfig *pConfig, const char *name);
+uint32_t    cfgGetUInt32(SConfig *pConfig, const char *name);
+int64_t     cfgGetInt64(SConfig *pConfig, const char *name);
+uint64_t    cfgGetUInt64(SConfig *pConfig, const char *name);
+float       cfgGetFloat(SConfig *pConfig, const char *name);
+double      cfgGetDouble(SConfig *pConfig, const char *name);
+const char *cfgGetString(SConfig *pConfig, const char *name);
+const char *cfgGetFqdn(SConfig *pConfig, const char *name);
+const char *cfgGetIpStr(SConfig *pConfig, const char *name);
+const char *cfgGetDir(SConfig *pConfig, const char *name);
+const char *cfgGetFile(SConfig *pConfig, const char *name);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_TD_CONFIG_H_*/

source/dnode/mgmt/daemon/CMakeLists.txt

@@ -3,6 +3,7 @@ add_executable(taosd ${DAEMON_SRC})
 target_link_libraries(
     taosd
     PUBLIC dnode
+    PUBLIC config
     PUBLIC util
     PUBLIC os
 )

source/libs/CMakeLists.txt

@@ -13,4 +13,5 @@ add_subdirectory(function)
 add_subdirectory(qcom)
 add_subdirectory(qworker)
 add_subdirectory(tfs)
-add_subdirectory(nodes)
\ No newline at end of file
+add_subdirectory(nodes)
+add_subdirectory(config)
\ No newline at end of file

source/libs/config/CMakeLists.txt

+aux_source_directory(src CONFIG_SRC)
+add_library(config ${CONFIG_SRC})
+target_include_directories(
+    config
+    PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/config"
+    PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+target_link_libraries(
+    config
+    PRIVATE os util
+)
+
+if(${BUILD_TEST})
+    ADD_SUBDIRECTORY(test)
+endif(${BUILD_TEST})
\ No newline at end of file

source/libs/config/inc/cfgInt.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_CFG_INT_H_
+#define _TD_CFG_INT_H_
+
+#include "config.h"
+#include "thash.h"
+#include "tlockfree.h"
+#include "ulog.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct SConfig {
+  ECfgType  loadType;
+  SRWLatch  lock;
+  SHashObj *hash;
+} SConfig;
+
+int32_t cfgLoadFromTaosFile(SConfig *pConfig, const char *filepath);
+int32_t cfgLoadFromDotEnvFile(SConfig *pConfig, const char *filepath);
+int32_t cfgLoadFromGlobalEnvVariable(SConfig *pConfig);
+int32_t cfgLoadFromApollUrl(SConfig *pConfig, const char *url);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_TD_CFG_INT_H_*/

source/libs/config/src/cfgApolloUrl.c

+/*
+ * 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/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "cfgInt.h"
+
+int32_t cfgLoadFromApollUrl(SConfig *pConfig, const char *url) {
+  uInfo("load from apoll url %s", url);
+  return 0;
+}
\ No newline at end of file

source/libs/config/src/cfgDotEnv.c

+/*
+ * 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/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "cfgInt.h"
+
+int32_t cfgLoadFromDotEnvFile(SConfig *pConfig, const char *filepath) {
+  uInfo("load from .env file %s", filepath);
+  return 0;
+}
\ No newline at end of file

source/libs/config/src/cfgEnvVar.c

+/*
+ * 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/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "cfgInt.h"
+
+int32_t cfgLoadFromGlobalEnvVariable(SConfig *pConfig) {
+  uInfo("load from global env variables");
+  return 0;
+}
\ No newline at end of file

source/libs/config/src/cfgTaosFile.c

+/*
+ * 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/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "cfgInt.h"
+
+int32_t cfgLoadFromTaosFile(SConfig *pConfig, const char *filepath) {
+  uInfo("load from .cfg file %s", filepath);
+  return 0;
+}
\ No newline at end of file

source/libs/config/src/config.c

+/*
+ * 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/>.
+ */
+
+#define _DEFAULT_SOURCE
+#include "cfgInt.h"
+
+SConfig *cfgInit() {
+  SConfig *pConfig = calloc(1, sizeof(SConfig));
+  return pConfig;
+}
+
+int32_t cfgLoad(SConfig *pConfig, ECfgType cfgType, const char *sourceStr) {
+  switch (cfgType) {
+    case CFG_TYPE_TAOS_CFG:
+      return cfgLoadFromTaosFile(pConfig, sourceStr);
+    case CFG_TYPE_DOT_ENV:
+      return cfgLoadFromDotEnvFile(pConfig, sourceStr);
+    case CFG_TYPE_ENV_VAR:
+      return cfgLoadFromGlobalEnvVariable(pConfig);
+    case CFG_TYPE_APOLLO_URL:
+      return cfgLoadFromApollUrl(pConfig, sourceStr);
+    default:
+      return -1;
+  }
+}
+
+void cfgCleanup(SConfig *pConfig) { free(pConfig); }
+
+int32_t cfgGetSize(SConfig *pConfig) { return 0; }
+
+void *cfgIterate(SConfig *pConfig, void *p) { return NULL; }
+
+void cfgCancelIterate(SConfig *pConfig, void *p);

source/libs/config/test/CMakeLists.txt

+enable_testing()
+
+aux_source_directory(. CFG_TEST_SRC)
+add_executable(cfg_test ${CFG_TEST_SRC})
+target_link_libraries(
+  cfg_test
+  PUBLIC config
+  PUBLIC gtest_main
+)
+
+add_test(
+  NAME cfg_test
+  COMMAND cfg_test
+)

source/libs/config/test/cfgTest.cpp

+/**
+ * @file cfgTest.cpp
+ * @author slguan (slguan@taosdata.com)
+ * @brief config module tests
+ * @version 1.0
+ * @date 2022-02-20
+ *
+ * @copyright Copyright (c) 2022
+ *
+ */
+
+#include <gtest/gtest.h>
+#include "os.h"
+
+#include "tfs.h"
+
+class CfgTest : public ::testing::Test {
+ protected:
+  static void SetUpTestSuite() {}
+  static void TearDownTestSuite() {}
+
+ public:
+  void SetUp() override {}
+  void TearDown() override {}
+
+  static const char *pConfig;
+};
+
+const char *TfsTest::pConfig;
+
+TEST_F(CfgTest, 01_Taos_File) {}