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[2028]<feature> add C# connector for windows

This commit is contained in:
Hui Li 2020-11-10 17:19:14 +08:00
parent 9e663ecd84
commit 031ab3b737
2 changed files with 155 additions and 0 deletions
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1
cmake/install.inc
View File

@ -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)

154
src/connector/C#/TDengineDriver.cs Normal file
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@ -0,0 +1,154 @@
/*
* 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/>.
*/
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<TDengineMeta> FetchFields(IntPtr res)
{
const int fieldSize = 68;
List<TDengineMeta> metas = new List<TDengineMeta>();
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);
}
}