/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #ifndef TDENGINE_TAOS_H #define TDENGINE_TAOS_H #include #include #ifdef __cplusplus extern "C" { #endif typedef void TAOS; typedef void TAOS_STMT; typedef void TAOS_RES; typedef void **TAOS_ROW; typedef void TAOS_SUB; // Data type definition #define TSDB_DATA_TYPE_NULL 0 // 1 bytes #define TSDB_DATA_TYPE_BOOL 1 // 1 bytes #define TSDB_DATA_TYPE_TINYINT 2 // 1 byte #define TSDB_DATA_TYPE_SMALLINT 3 // 2 bytes #define TSDB_DATA_TYPE_INT 4 // 4 bytes #define TSDB_DATA_TYPE_BIGINT 5 // 8 bytes #define TSDB_DATA_TYPE_FLOAT 6 // 4 bytes #define TSDB_DATA_TYPE_DOUBLE 7 // 8 bytes #define TSDB_DATA_TYPE_VARCHAR 8 // string, alias for varchar #define TSDB_DATA_TYPE_TIMESTAMP 9 // 8 bytes #define TSDB_DATA_TYPE_NCHAR 10 // unicode string #define TSDB_DATA_TYPE_UTINYINT 11 // 1 byte #define TSDB_DATA_TYPE_USMALLINT 12 // 2 bytes #define TSDB_DATA_TYPE_UINT 13 // 4 bytes #define TSDB_DATA_TYPE_UBIGINT 14 // 8 bytes #define TSDB_DATA_TYPE_JSON 15 // json string #define TSDB_DATA_TYPE_VARBINARY 16 // binary #define TSDB_DATA_TYPE_DECIMAL 17 // decimal #define TSDB_DATA_TYPE_BLOB 18 // binary #define TSDB_DATA_TYPE_MEDIUMBLOB 19 #define TSDB_DATA_TYPE_BINARY TSDB_DATA_TYPE_VARCHAR // string #define TSDB_DATA_TYPE_MAX 20 typedef enum { TSDB_OPTION_LOCALE, TSDB_OPTION_CHARSET, TSDB_OPTION_TIMEZONE, TSDB_OPTION_CONFIGDIR, TSDB_OPTION_SHELL_ACTIVITY_TIMER, TSDB_OPTION_USE_ADAPTER, TSDB_MAX_OPTIONS } TSDB_OPTION; typedef enum { TSDB_SML_UNKNOWN_PROTOCOL = 0, TSDB_SML_LINE_PROTOCOL = 1, TSDB_SML_TELNET_PROTOCOL = 2, TSDB_SML_JSON_PROTOCOL = 3, } TSDB_SML_PROTOCOL_TYPE; typedef enum { TSDB_SML_TIMESTAMP_NOT_CONFIGURED = 0, TSDB_SML_TIMESTAMP_HOURS, TSDB_SML_TIMESTAMP_MINUTES, TSDB_SML_TIMESTAMP_SECONDS, TSDB_SML_TIMESTAMP_MILLI_SECONDS, TSDB_SML_TIMESTAMP_MICRO_SECONDS, TSDB_SML_TIMESTAMP_NANO_SECONDS, } TSDB_SML_TIMESTAMP_TYPE; typedef struct taosField { char name[65]; int8_t type; int32_t bytes; } TAOS_FIELD; typedef struct TAOS_FIELD_E { char name[65]; int8_t type; uint8_t precision; uint8_t scale; int32_t bytes; } TAOS_FIELD_E; #ifdef WINDOWS #define DLL_EXPORT __declspec(dllexport) #else #define DLL_EXPORT #endif typedef void (*__taos_async_fn_t)(void *param, TAOS_RES *res, int code); typedef struct TAOS_MULTI_BIND { int buffer_type; void *buffer; uintptr_t buffer_length; int32_t *length; char *is_null; int num; } TAOS_MULTI_BIND; typedef enum { SET_CONF_RET_SUCC = 0, SET_CONF_RET_ERR_PART = -1, SET_CONF_RET_ERR_INNER = -2, SET_CONF_RET_ERR_JSON_INVALID = -3, SET_CONF_RET_ERR_JSON_PARSE = -4, SET_CONF_RET_ERR_ONLY_ONCE = -5, SET_CONF_RET_ERR_TOO_LONG = -6 } SET_CONF_RET_CODE; #define RET_MSG_LENGTH 1024 typedef struct setConfRet { SET_CONF_RET_CODE retCode; char retMsg[RET_MSG_LENGTH]; } setConfRet; typedef struct TAOS_VGROUP_HASH_INFO { int32_t vgId; uint32_t hashBegin; uint32_t hashEnd; } TAOS_VGROUP_HASH_INFO; typedef struct TAOS_DB_ROUTE_INFO { int32_t routeVersion; int16_t hashPrefix; int16_t hashSuffix; int8_t hashMethod; int32_t vgNum; TAOS_VGROUP_HASH_INFO *vgHash; } TAOS_DB_ROUTE_INFO; DLL_EXPORT void taos_cleanup(void); DLL_EXPORT int taos_options(TSDB_OPTION option, const void *arg, ...); DLL_EXPORT setConfRet taos_set_config(const char *config); DLL_EXPORT int taos_init(void); DLL_EXPORT TAOS *taos_connect(const char *ip, const char *user, const char *pass, const char *db, uint16_t port); DLL_EXPORT TAOS *taos_connect_auth(const char *ip, const char *user, const char *auth, const char *db, uint16_t port); DLL_EXPORT void taos_close(TAOS *taos); DLL_EXPORT const char *taos_data_type(int type); DLL_EXPORT TAOS_STMT *taos_stmt_init(TAOS *taos); DLL_EXPORT TAOS_STMT *taos_stmt_init_with_reqid(TAOS *taos, int64_t reqid); DLL_EXPORT int taos_stmt_prepare(TAOS_STMT *stmt, const char *sql, unsigned long length); DLL_EXPORT int taos_stmt_set_tbname_tags(TAOS_STMT *stmt, const char *name, TAOS_MULTI_BIND *tags); DLL_EXPORT int taos_stmt_set_tbname(TAOS_STMT *stmt, const char *name); DLL_EXPORT int taos_stmt_set_tags(TAOS_STMT *stmt, TAOS_MULTI_BIND *tags); DLL_EXPORT int taos_stmt_set_sub_tbname(TAOS_STMT *stmt, const char *name); DLL_EXPORT int taos_stmt_get_tag_fields(TAOS_STMT *stmt, int *fieldNum, TAOS_FIELD_E **fields); DLL_EXPORT int taos_stmt_get_col_fields(TAOS_STMT *stmt, int *fieldNum, TAOS_FIELD_E **fields); // let stmt to reclaim TAOS_FIELD_E that was allocated by `taos_stmt_get_tag_fields`/`taos_stmt_get_col_fields` DLL_EXPORT void taos_stmt_reclaim_fields(TAOS_STMT *stmt, TAOS_FIELD_E *fields); DLL_EXPORT int taos_stmt_is_insert(TAOS_STMT *stmt, int *insert); DLL_EXPORT int taos_stmt_num_params(TAOS_STMT *stmt, int *nums); DLL_EXPORT int taos_stmt_get_param(TAOS_STMT *stmt, int idx, int *type, int *bytes); DLL_EXPORT int taos_stmt_bind_param(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind); DLL_EXPORT int taos_stmt_bind_param_batch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind); DLL_EXPORT int taos_stmt_bind_single_param_batch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind, int colIdx); DLL_EXPORT int taos_stmt_add_batch(TAOS_STMT *stmt); DLL_EXPORT int taos_stmt_execute(TAOS_STMT *stmt); DLL_EXPORT TAOS_RES *taos_stmt_use_result(TAOS_STMT *stmt); DLL_EXPORT int taos_stmt_close(TAOS_STMT *stmt); DLL_EXPORT char *taos_stmt_errstr(TAOS_STMT *stmt); DLL_EXPORT int taos_stmt_affected_rows(TAOS_STMT *stmt); DLL_EXPORT int taos_stmt_affected_rows_once(TAOS_STMT *stmt); DLL_EXPORT TAOS_RES *taos_query(TAOS *taos, const char *sql); DLL_EXPORT TAOS_RES *taos_query_with_reqid(TAOS *taos, const char *sql, int64_t reqId); DLL_EXPORT TAOS_ROW taos_fetch_row(TAOS_RES *res); DLL_EXPORT int taos_result_precision(TAOS_RES *res); // get the time precision of result DLL_EXPORT void taos_free_result(TAOS_RES *res); DLL_EXPORT void taos_kill_query(TAOS *taos); DLL_EXPORT int taos_field_count(TAOS_RES *res); DLL_EXPORT int taos_num_fields(TAOS_RES *res); DLL_EXPORT int taos_affected_rows(TAOS_RES *res); DLL_EXPORT int64_t taos_affected_rows64(TAOS_RES *res); DLL_EXPORT TAOS_FIELD *taos_fetch_fields(TAOS_RES *res); DLL_EXPORT int taos_select_db(TAOS *taos, const char *db); DLL_EXPORT int taos_print_row(char *str, TAOS_ROW row, TAOS_FIELD *fields, int num_fields); DLL_EXPORT void taos_stop_query(TAOS_RES *res); DLL_EXPORT bool taos_is_null(TAOS_RES *res, int32_t row, int32_t col); DLL_EXPORT bool taos_is_update_query(TAOS_RES *res); DLL_EXPORT int taos_fetch_block(TAOS_RES *res, TAOS_ROW *rows); DLL_EXPORT int taos_fetch_block_s(TAOS_RES *res, int *numOfRows, TAOS_ROW *rows); DLL_EXPORT int taos_fetch_raw_block(TAOS_RES *res, int *numOfRows, void **pData); DLL_EXPORT int *taos_get_column_data_offset(TAOS_RES *res, int columnIndex); DLL_EXPORT int taos_validate_sql(TAOS *taos, const char *sql); DLL_EXPORT void taos_reset_current_db(TAOS *taos); DLL_EXPORT int *taos_fetch_lengths(TAOS_RES *res); DLL_EXPORT TAOS_ROW *taos_result_block(TAOS_RES *res); DLL_EXPORT const char *taos_get_server_info(TAOS *taos); DLL_EXPORT const char *taos_get_client_info(); DLL_EXPORT int taos_get_current_db(TAOS *taos, char *database, int len, int *required); DLL_EXPORT const char *taos_errstr(TAOS_RES *res); DLL_EXPORT int taos_errno(TAOS_RES *res); DLL_EXPORT void taos_query_a(TAOS *taos, const char *sql, __taos_async_fn_t fp, void *param); DLL_EXPORT void taos_query_a_with_reqid(TAOS *taos, const char *sql, __taos_async_fn_t fp, void *param, int64_t reqid); DLL_EXPORT void taos_fetch_rows_a(TAOS_RES *res, __taos_async_fn_t fp, void *param); DLL_EXPORT void taos_fetch_raw_block_a(TAOS_RES *res, __taos_async_fn_t fp, void *param); DLL_EXPORT const void *taos_get_raw_block(TAOS_RES *res); DLL_EXPORT int taos_get_db_route_info(TAOS *taos, const char *db, TAOS_DB_ROUTE_INFO *dbInfo); DLL_EXPORT int taos_get_table_vgId(TAOS *taos, const char *db, const char *table, int *vgId); DLL_EXPORT int taos_get_tables_vgId(TAOS *taos, const char *db, const char *table[], int tableNum, int *vgId); DLL_EXPORT int taos_load_table_info(TAOS *taos, const char *tableNameList); /* --------------------------schemaless INTERFACE------------------------------- */ DLL_EXPORT TAOS_RES *taos_schemaless_insert(TAOS *taos, char *lines[], int numLines, int protocol, int precision); DLL_EXPORT TAOS_RES *taos_schemaless_insert_with_reqid(TAOS *taos, char *lines[], int numLines, int protocol, int precision, int64_t reqid); DLL_EXPORT TAOS_RES *taos_schemaless_insert_raw(TAOS *taos, char *lines, int len, int32_t *totalRows, int protocol, int precision); DLL_EXPORT TAOS_RES *taos_schemaless_insert_raw_with_reqid(TAOS *taos, char *lines, int len, int32_t *totalRows, int protocol, int precision, int64_t reqid); DLL_EXPORT TAOS_RES *taos_schemaless_insert_ttl(TAOS *taos, char *lines[], int numLines, int protocol, int precision, int32_t ttl); DLL_EXPORT TAOS_RES *taos_schemaless_insert_ttl_with_reqid(TAOS *taos, char *lines[], int numLines, int protocol, int precision, int32_t ttl, int64_t reqid); DLL_EXPORT TAOS_RES *taos_schemaless_insert_raw_ttl(TAOS *taos, char *lines, int len, int32_t *totalRows, int protocol, int precision, int32_t ttl); DLL_EXPORT TAOS_RES *taos_schemaless_insert_raw_ttl_with_reqid(TAOS *taos, char *lines, int len, int32_t *totalRows, int protocol, int precision, int32_t ttl, int64_t reqid); /* --------------------------TMQ INTERFACE------------------------------- */ typedef struct tmq_t tmq_t; typedef struct tmq_conf_t tmq_conf_t; typedef struct tmq_list_t tmq_list_t; typedef void(tmq_commit_cb(tmq_t *, int32_t code, void *param)); DLL_EXPORT tmq_list_t *tmq_list_new(); DLL_EXPORT int32_t tmq_list_append(tmq_list_t *, const char *); DLL_EXPORT void tmq_list_destroy(tmq_list_t *); DLL_EXPORT int32_t tmq_list_get_size(const tmq_list_t *); DLL_EXPORT char **tmq_list_to_c_array(const tmq_list_t *); DLL_EXPORT tmq_t *tmq_consumer_new(tmq_conf_t *conf, char *errstr, int32_t errstrLen); DLL_EXPORT const char *tmq_err2str(int32_t code); /* ------------------------TMQ CONSUMER INTERFACE------------------------ */ typedef struct tmq_topic_assignment { int32_t vgroupHandle; int64_t currentOffset; int64_t begin; int64_t end; } tmq_topic_assignment; DLL_EXPORT int32_t tmq_subscribe(tmq_t *tmq, const tmq_list_t *topic_list); DLL_EXPORT int32_t tmq_unsubscribe(tmq_t *tmq); DLL_EXPORT int32_t tmq_subscription(tmq_t *tmq, tmq_list_t **topics); DLL_EXPORT TAOS_RES *tmq_consumer_poll(tmq_t *tmq, int64_t timeout); DLL_EXPORT int32_t tmq_consumer_close(tmq_t *tmq); DLL_EXPORT int32_t tmq_commit_sync(tmq_t *tmq, const TAOS_RES *msg); DLL_EXPORT void tmq_commit_async(tmq_t *tmq, const TAOS_RES *msg, tmq_commit_cb *cb, void *param); DLL_EXPORT int32_t tmq_get_topic_assignment(tmq_t *tmq, const char* pTopicName, tmq_topic_assignment **assignment, int32_t *numOfAssignment); DLL_EXPORT int32_t tmq_offset_seek(tmq_t *tmq, const char* pTopicName, int32_t vgroupHandle, int64_t offset); /* ----------------------TMQ CONFIGURATION INTERFACE---------------------- */ enum tmq_conf_res_t { TMQ_CONF_UNKNOWN = -2, TMQ_CONF_INVALID = -1, TMQ_CONF_OK = 0, }; typedef enum tmq_conf_res_t tmq_conf_res_t; DLL_EXPORT tmq_conf_t *tmq_conf_new(); DLL_EXPORT tmq_conf_res_t tmq_conf_set(tmq_conf_t *conf, const char *key, const char *value); DLL_EXPORT void tmq_conf_destroy(tmq_conf_t *conf); DLL_EXPORT void tmq_conf_set_auto_commit_cb(tmq_conf_t *conf, tmq_commit_cb *cb, void *param); /* -------------------------TMQ MSG HANDLE INTERFACE---------------------- */ DLL_EXPORT const char *tmq_get_topic_name(TAOS_RES *res); DLL_EXPORT const char *tmq_get_db_name(TAOS_RES *res); DLL_EXPORT int32_t tmq_get_vgroup_id(TAOS_RES *res); /* ------------------------------ TAOSX -----------------------------------*/ // note: following apis are unstable enum tmq_res_t { TMQ_RES_INVALID = -1, TMQ_RES_DATA = 1, TMQ_RES_TABLE_META = 2, TMQ_RES_METADATA = 3, }; typedef struct tmq_raw_data { void *raw; uint32_t raw_len; uint16_t raw_type; } tmq_raw_data; typedef enum tmq_res_t tmq_res_t; DLL_EXPORT const char *tmq_get_table_name(TAOS_RES *res); DLL_EXPORT tmq_res_t tmq_get_res_type(TAOS_RES *res); DLL_EXPORT int32_t tmq_get_raw(TAOS_RES *res, tmq_raw_data *raw); DLL_EXPORT int32_t tmq_write_raw(TAOS *taos, tmq_raw_data raw); DLL_EXPORT int taos_write_raw_block(TAOS *taos, int numOfRows, char *pData, const char *tbname); DLL_EXPORT int taos_write_raw_block_with_fields(TAOS *taos, int rows, char *pData, const char *tbname, TAOS_FIELD *fields, int numFields); DLL_EXPORT void tmq_free_raw(tmq_raw_data raw); // Returning null means error. Returned result need to be freed by tmq_free_json_meta DLL_EXPORT char *tmq_get_json_meta(TAOS_RES *res); DLL_EXPORT void tmq_free_json_meta(char *jsonMeta); /* ---------------------------- TAOSX END -------------------------------- */ typedef enum { TSDB_SRV_STATUS_UNAVAILABLE = 0, TSDB_SRV_STATUS_NETWORK_OK = 1, TSDB_SRV_STATUS_SERVICE_OK = 2, TSDB_SRV_STATUS_SERVICE_DEGRADED = 3, TSDB_SRV_STATUS_EXTING = 4, } TSDB_SERVER_STATUS; DLL_EXPORT TSDB_SERVER_STATUS taos_check_server_status(const char *fqdn, int port, char *details, int maxlen); #ifdef __cplusplus } #endif #endif