From 031ab3b73721d5b5dc3d788b2a01654c6b081505 Mon Sep 17 00:00:00 2001 From: Hui Li Date: Tue, 10 Nov 2020 17:19:14 +0800 Subject: [PATCH] [2028] add C# connector for windows --- cmake/install.inc | 1 + src/connector/C#/TDengineDriver.cs | 154 +++++++++++++++++++++++++++++ 2 files changed, 155 insertions(+) create mode 100644 src/connector/C#/TDengineDriver.cs diff --git a/cmake/install.inc b/cmake/install.inc index dfca758b93..5344163f23 100755 --- a/cmake/install.inc +++ b/cmake/install.inc @@ -13,6 +13,7 @@ ELSEIF (TD_WINDOWS) INSTALL(DIRECTORY ${TD_COMMUNITY_DIR}/src/connector/go DESTINATION connector) INSTALL(DIRECTORY ${TD_COMMUNITY_DIR}/src/connector/nodejs DESTINATION connector) INSTALL(DIRECTORY ${TD_COMMUNITY_DIR}/src/connector/python DESTINATION connector) + INSTALL(DIRECTORY ${TD_COMMUNITY_DIR}/src/connector/C# DESTINATION connector) INSTALL(DIRECTORY ${TD_COMMUNITY_DIR}/tests/examples DESTINATION .) INSTALL(DIRECTORY ${TD_COMMUNITY_DIR}/packaging/cfg DESTINATION .) INSTALL(FILES ${TD_COMMUNITY_DIR}/src/inc/taos.h DESTINATION include) diff --git a/src/connector/C#/TDengineDriver.cs b/src/connector/C#/TDengineDriver.cs new file mode 100644 index 0000000000..b6f143e181 --- /dev/null +++ b/src/connector/C#/TDengineDriver.cs @@ -0,0 +1,154 @@ +/* + * 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 . + */ + +using System; +using System.Collections.Generic; +using System.Runtime.InteropServices; + +namespace TDengineDriver +{ + enum TDengineDataType { + TSDB_DATA_TYPE_NULL = 0, // 1 bytes + TSDB_DATA_TYPE_BOOL = 1, // 1 bytes + TSDB_DATA_TYPE_TINYINT = 2, // 1 bytes + TSDB_DATA_TYPE_SMALLINT = 3, // 2 bytes + TSDB_DATA_TYPE_INT = 4, // 4 bytes + TSDB_DATA_TYPE_BIGINT = 5, // 8 bytes + TSDB_DATA_TYPE_FLOAT = 6, // 4 bytes + TSDB_DATA_TYPE_DOUBLE = 7, // 8 bytes + TSDB_DATA_TYPE_BINARY = 8, // string + TSDB_DATA_TYPE_TIMESTAMP = 9,// 8 bytes + TSDB_DATA_TYPE_NCHAR = 10 // unicode string + } + + enum TDengineInitOption + { + TSDB_OPTION_LOCALE = 0, + TSDB_OPTION_CHARSET = 1, + TSDB_OPTION_TIMEZONE = 2, + TDDB_OPTION_CONFIGDIR = 3, + TDDB_OPTION_SHELL_ACTIVITY_TIMER = 4 + } + + class TDengineMeta + { + public string name; + public short size; + public byte type; + public string TypeName() + { + switch ((TDengineDataType)type) + { + case TDengineDataType.TSDB_DATA_TYPE_BOOL: + return "BOOLEAN"; + case TDengineDataType.TSDB_DATA_TYPE_TINYINT: + return "BYTE"; + case TDengineDataType.TSDB_DATA_TYPE_SMALLINT: + return "SHORT"; + case TDengineDataType.TSDB_DATA_TYPE_INT: + return "INT"; + case TDengineDataType.TSDB_DATA_TYPE_BIGINT: + return "LONG"; + case TDengineDataType.TSDB_DATA_TYPE_FLOAT: + return "FLOAT"; + case TDengineDataType.TSDB_DATA_TYPE_DOUBLE: + return "DOUBLE"; + case TDengineDataType.TSDB_DATA_TYPE_BINARY: + return "STRING"; + case TDengineDataType.TSDB_DATA_TYPE_TIMESTAMP: + return "TIMESTAMP"; + case TDengineDataType.TSDB_DATA_TYPE_NCHAR: + return "NCHAR"; + default: + return "undefine"; + } + } + } + + class TDengine + { + public const int TSDB_CODE_SUCCESS = 0; + + [DllImport("taos.dll", EntryPoint = "taos_init", CallingConvention = CallingConvention.Cdecl)] + static extern public void Init(); + + [DllImport("taos.dll", EntryPoint = "taos_cleanup", CallingConvention = CallingConvention.Cdecl)] + static extern public void Cleanup(); + + [DllImport("taos.dll", EntryPoint = "taos_options", CallingConvention = CallingConvention.Cdecl)] + static extern public void Options(int option, string value); + + [DllImport("taos.dll", EntryPoint = "taos_connect", CallingConvention = CallingConvention.Cdecl)] + static extern public IntPtr Connect(string ip, string user, string password, string db, short port); + + [DllImport("taos.dll", EntryPoint = "taos_errstr", CallingConvention = CallingConvention.Cdecl)] + static extern private IntPtr taos_errstr(IntPtr res); + static public string Error(IntPtr res) + { + IntPtr errPtr = taos_errstr(res); + return Marshal.PtrToStringAnsi(errPtr); + } + + [DllImport("taos.dll", EntryPoint = "taos_errno", CallingConvention = CallingConvention.Cdecl)] + static extern public int ErrorNo(IntPtr res); + + [DllImport("taos.dll", EntryPoint = "taos_query", CallingConvention = CallingConvention.Cdecl)] + static extern public IntPtr Query(IntPtr conn, string sqlstr); + + [DllImport("taos.dll", EntryPoint = "taos_affected_rows", CallingConvention = CallingConvention.Cdecl)] + static extern public int AffectRows(IntPtr res); + + [DllImport("taos.dll", EntryPoint = "taos_field_count", CallingConvention = CallingConvention.Cdecl)] + static extern public int FieldCount(IntPtr res); + + [DllImport("taos.dll", EntryPoint = "taos_fetch_fields", CallingConvention = CallingConvention.Cdecl)] + static extern private IntPtr taos_fetch_fields(IntPtr res); + static public List FetchFields(IntPtr res) + { + const int fieldSize = 68; + + List metas = new List(); + if (res == IntPtr.Zero) + { + return metas; + } + + int fieldCount = FieldCount(res); + IntPtr fieldsPtr = taos_fetch_fields(res); + + for (int i = 0; i < fieldCount; ++i) + { + int offset = i * fieldSize; + + TDengineMeta meta = new TDengineMeta(); + meta.name = Marshal.PtrToStringAnsi(fieldsPtr + offset); + meta.type = Marshal.ReadByte(fieldsPtr + offset + 65); + meta.size = Marshal.ReadInt16(fieldsPtr + offset + 66); + metas.Add(meta); + } + + return metas; + } + + [DllImport("taos.dll", EntryPoint = "taos_fetch_row", CallingConvention = CallingConvention.Cdecl)] + static extern public IntPtr FetchRows(IntPtr res); + + [DllImport("taos.dll", EntryPoint = "taos_free_result", CallingConvention = CallingConvention.Cdecl)] + static extern public IntPtr FreeResult(IntPtr res); + + [DllImport("taos.dll", EntryPoint = "taos_close", CallingConvention = CallingConvention.Cdecl)] + static extern public int Close(IntPtr taos); + } +} \ No newline at end of file -- GitLab