420 lines
16 KiB
C#
420 lines
16 KiB
C#
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Text;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Collections;
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namespace TDengineDriver
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{
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class TDengineTest
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{
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//connect parameters
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private string host;
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private string configDir;
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private string user;
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private string password;
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private short port = 0;
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//sql parameters
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private string dbName;
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private string tbName;
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private string precision;
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private bool isInsertData;
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private bool isQueryData;
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private long tableCount;
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private long totalRows;
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private long batchRows;
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private long beginTimestamp = 1551369600000L;
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private IntPtr conn = IntPtr.Zero;
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private long rowsInserted = 0;
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static void Main(string[] args)
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{
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TDengineTest tester = new TDengineTest();
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tester.ReadArgument(args);
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tester.InitTDengine();
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tester.ConnectTDengine();
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tester.createDatabase();
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tester.useDatabase();
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tester.checkDropTable();
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tester.createTable();
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tester.checkInsert();
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tester.checkSelect();
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tester.checkDropTable();
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tester.dropDatabase();
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tester.CloseConnection();
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tester.cleanup();
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}
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public long GetArgumentAsLong(String[] argv, String argName, int minVal, int maxVal, int defaultValue)
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{
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int argc = argv.Length;
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for (int i = 0; i < argc; ++i)
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{
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if (argName != argv[i])
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{
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continue;
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}
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if (i < argc - 1)
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{
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String tmp = argv[i + 1];
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if (tmp[0] == '-')
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{
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Console.WriteLine("option {0:G} requires an argument", tmp);
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ExitProgram();
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}
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long tmpVal = Convert.ToInt64(tmp);
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if (tmpVal < minVal || tmpVal > maxVal)
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{
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Console.WriteLine("option {0:G} should in range [{1:G}, {2:G}]", argName, minVal, maxVal);
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ExitProgram();
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}
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return tmpVal;
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}
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}
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return defaultValue;
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}
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public String GetArgumentAsString(String[] argv, String argName, String defaultValue)
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{
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int argc = argv.Length;
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for (int i = 0; i < argc; ++i)
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{
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if (argName != argv[i])
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{
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continue;
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}
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if (i < argc - 1)
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{
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String tmp = argv[i + 1];
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if (tmp[0] == '-')
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{
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Console.WriteLine("option {0:G} requires an argument", tmp);
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ExitProgram();
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}
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return tmp;
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}
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}
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return defaultValue;
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}
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public void PrintHelp(String[] argv)
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{
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for (int i = 0; i < argv.Length; ++i)
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{
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if ("--help" == argv[i])
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{
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String indent = " ";
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Console.WriteLine("taosTest is simple example to operate TDengine use C# Language.\n");
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Console.WriteLine("{0:G}{1:G}", indent, "-h");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "TDEngine server IP address to connect");
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Console.WriteLine("{0:G}{1:G}", indent, "-u");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "The TDEngine user name to use when connecting to the server, default is root");
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Console.WriteLine("{0:G}{1:G}", indent, "-p");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "The TDEngine user name to use when connecting to the server, default is taosdata");
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Console.WriteLine("{0:G}{1:G}", indent, "-d");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "Database used to create table or import data, default is db");
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Console.WriteLine("{0:G}{1:G}", indent, "-s");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "Super Tables used to create table, default is mt");
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Console.WriteLine("{0:G}{1:G}", indent, "-t");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "Table prefixs, default is t");
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Console.WriteLine("{0:G}{1:G}", indent, "-w");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "Whether to insert data");
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Console.WriteLine("{0:G}{1:G}", indent, "-r");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "Whether to query data");
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Console.WriteLine("{0:G}{1:G}", indent, "-n");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "How many Tables to create, default is 10");
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Console.WriteLine("{0:G}{1:G}", indent, "-b");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "How many rows per insert batch, default is 10");
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Console.WriteLine("{0:G}{1:G}", indent, "-i");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "How many rows to insert, default is 100");
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Console.WriteLine("{0:G}{1:G}", indent, "-c");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "Configuration directory");
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//
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Console.WriteLine("{0:G}{1:G}", indent, "-ps");
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Console.WriteLine("{0:G}{1:G}{2:G}", indent, indent, "Configurate db precision,default millisecond");
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ExitProgram();
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}
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}
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}
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public void ReadArgument(String[] argv)
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{
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PrintHelp(argv);
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host = this.GetArgumentAsString(argv, "-h", "127.0.0.1");
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user = this.GetArgumentAsString(argv, "-u", "root");
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password = this.GetArgumentAsString(argv, "-p", "taosdata");
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dbName = this.GetArgumentAsString(argv, "-d", "test");
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tbName = this.GetArgumentAsString(argv, "-s", "weather");
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precision = this.GetArgumentAsString(argv, "-ps", "ms");
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isInsertData = this.GetArgumentAsLong(argv, "-w", 0, 1, 1) != 0;
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isQueryData = this.GetArgumentAsLong(argv, "-r", 0, 1, 1) != 0;
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tableCount = this.GetArgumentAsLong(argv, "-n", 1, 10000, 10);
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batchRows = this.GetArgumentAsLong(argv, "-b", 1, 1000, 500);
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totalRows = this.GetArgumentAsLong(argv, "-i", 1, 10000000, 10000);
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configDir = this.GetArgumentAsString(argv, "-c", "C:/TDengine/cfg");
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}
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public void InitTDengine()
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{
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TDengine.Options((int)TDengineInitOption.TDDB_OPTION_CONFIGDIR, this.configDir);
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TDengine.Options((int)TDengineInitOption.TDDB_OPTION_SHELL_ACTIVITY_TIMER, "60");
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Console.WriteLine("init...");
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TDengine.Init();
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Console.WriteLine("get connection starting...");
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}
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public void ConnectTDengine()
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{
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string db = "";
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this.conn = TDengine.Connect(this.host, this.user, this.password, db, this.port);
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if (this.conn == IntPtr.Zero)
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{
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Console.WriteLine("connection failed: " + this.host);
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ExitProgram();
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}
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else
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{
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Console.WriteLine("[ OK ] Connection established.");
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}
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}
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public void createDatabase()
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{
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StringBuilder sql = new StringBuilder();
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sql.Append("create database if not exists ").Append(this.dbName).Append(" precision '").Append(this.precision).Append("'");
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execute(sql.ToString());
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}
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public void useDatabase()
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{
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StringBuilder sql = new StringBuilder();
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sql.Append("use ").Append(this.dbName);
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execute(sql.ToString());
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}
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public void checkSelect()
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{
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StringBuilder sql = new StringBuilder();
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sql.Append("select * from ").Append(this.dbName).Append(".").Append(this.tbName);
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ExecuteQuery(sql.ToString());
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}
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public void createTable()
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{
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StringBuilder sql = new StringBuilder();
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sql.Append("create table if not exists ").Append(this.dbName).Append(".").Append(this.tbName).Append("(ts timestamp, temperature float, humidity int)");
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execute(sql.ToString());
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}
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public void checkInsert()
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{
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StringBuilder sql = new StringBuilder();
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sql.Append("insert into ").Append(this.dbName).Append(".").Append(this.tbName).Append("(ts, temperature, humidity) values(now, 20.5, 34)");
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execute(sql.ToString());
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}
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public void checkDropTable()
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{
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StringBuilder sql = new StringBuilder();
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sql.Append("drop table if exists ").Append(this.dbName).Append(".").Append(this.tbName).Append("");
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execute(sql.ToString());
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}
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public void dropDatabase()
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{
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StringBuilder sql = new StringBuilder();
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sql.Append("drop database if exists ").Append(this.dbName);
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execute(sql.ToString());
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}
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public void execute(string sql)
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{
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DateTime dt1 = DateTime.Now;
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IntPtr res = TDengine.Query(this.conn, sql.ToString());
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DateTime dt2 = DateTime.Now;
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TimeSpan span = dt2 - dt1;
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if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
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{
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Console.Write(sql.ToString() + " failure, ");
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if (res != IntPtr.Zero) {
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Console.Write("reason: " + TDengine.Error(res));
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}
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Console.WriteLine("");
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ExitProgram();
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}
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else
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{
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Console.WriteLine(sql.ToString() + " success");
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}
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TDengine.FreeResult(res);
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}
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public void ExecuteQuery(string sql)
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{
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DateTime dt1 = DateTime.Now;
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long queryRows = 0;
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IntPtr res = TDengine.Query(conn, sql);
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getPrecision(res);
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if ((res == IntPtr.Zero) || (TDengine.ErrorNo(res) != 0))
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{
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Console.Write(sql.ToString() + " failure, ");
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if (res != IntPtr.Zero) {
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Console.Write("reason: " + TDengine.Error(res));
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}
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Console.WriteLine("");
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ExitProgram();
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}
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DateTime dt2 = DateTime.Now;
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TimeSpan span = dt2 - dt1;
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Console.WriteLine("[OK] time cost: " + span.ToString() + "ms, execute statement ====> " + sql.ToString());
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int fieldCount = TDengine.FieldCount(res);
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List<TDengineMeta> metas = TDengine.FetchFields(res);
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for (int j = 0; j < metas.Count; j++)
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{
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TDengineMeta meta = (TDengineMeta)metas[j];
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}
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IntPtr rowdata;
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StringBuilder builder = new StringBuilder();
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while ((rowdata = TDengine.FetchRows(res)) != IntPtr.Zero)
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{
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queryRows++;
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for (int fields = 0; fields < fieldCount; ++fields)
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{
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TDengineMeta meta = metas[fields];
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int offset = IntPtr.Size * fields;
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IntPtr data = Marshal.ReadIntPtr(rowdata, offset);
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builder.Append("---");
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if (data == IntPtr.Zero)
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{
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builder.Append("NULL");
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continue;
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}
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switch ((TDengineDataType)meta.type)
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{
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case TDengineDataType.TSDB_DATA_TYPE_BOOL:
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bool v1 = Marshal.ReadByte(data) == 0 ? false : true;
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builder.Append(v1);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_TINYINT:
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byte v2 = Marshal.ReadByte(data);
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builder.Append(v2);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_SMALLINT:
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short v3 = Marshal.ReadInt16(data);
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builder.Append(v3);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_INT:
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int v4 = Marshal.ReadInt32(data);
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builder.Append(v4);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_BIGINT:
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long v5 = Marshal.ReadInt64(data);
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builder.Append(v5);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_FLOAT:
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float v6 = (float)Marshal.PtrToStructure(data, typeof(float));
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builder.Append(v6);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_DOUBLE:
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double v7 = (double)Marshal.PtrToStructure(data, typeof(double));
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builder.Append(v7);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_BINARY:
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string v8 = Marshal.PtrToStringAnsi(data);
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builder.Append(v8);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_TIMESTAMP:
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long v9 = Marshal.ReadInt64(data);
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builder.Append(v9);
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break;
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case TDengineDataType.TSDB_DATA_TYPE_NCHAR:
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string v10 = Marshal.PtrToStringAnsi(data);
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builder.Append(v10);
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break;
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}
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}
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builder.Append("---");
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if (queryRows <= 10)
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{
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Console.WriteLine(builder.ToString());
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}
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builder.Clear();
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}
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if (TDengine.ErrorNo(res) != 0)
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{
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Console.Write("Query is not complete, Error {0:G}", TDengine.ErrorNo(res), TDengine.Error(res));
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}
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Console.WriteLine("");
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TDengine.FreeResult(res);
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}
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public void CloseConnection()
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{
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if (this.conn != IntPtr.Zero)
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{
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TDengine.Close(this.conn);
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Console.WriteLine("connection closed.");
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}
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}
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static void ExitProgram()
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{
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System.Environment.Exit(0);
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}
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public void cleanup()
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{
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Console.WriteLine("clean up...");
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System.Environment.Exit(0);
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}
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// method to get db precision
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public void getPrecision(IntPtr res)
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{
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int psc=TDengine.ResultPrecision(res);
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switch(psc)
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{
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case 0:
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Console.WriteLine("db：[{0:G}]'s precision is {1:G}",this.dbName,"millisecond");
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break;
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case 1:
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Console.WriteLine("db：[{0:G}]'s precision is {1:G}",this.dbName,"microsecond");
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break;
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case 2:
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Console.WriteLine("db：[{0:G}]'s precision is {1:G}",this.dbName,"nanosecond");
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break;
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}
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}
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}
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}
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