diff --git a/src/util/tests/CMakeLists.txt b/src/util/tests/CMakeLists.txt index eb6ffa384f263b991656bb05413ccb7473991bc4..0c96ed2a2f3dfb7f03268c9f8fbb1b0afa2397b9 100644 --- a/src/util/tests/CMakeLists.txt +++ b/src/util/tests/CMakeLists.txt @@ -9,15 +9,21 @@ IF (HEADER_GTEST_INCLUDE_DIR AND LIB_GTEST_STATIC_DIR) INCLUDE_DIRECTORIES(${HEADER_GTEST_INCLUDE_DIR}) AUX_SOURCE_DIRECTORY(${CMAKE_CURRENT_SOURCE_DIR} SOURCE_LIST) - + + LIST(REMOVE_ITEM SOURCE_LIST ${CMAKE_CURRENT_SOURCE_DIR}/trefTest.c) ADD_EXECUTABLE(utilTest ${SOURCE_LIST}) TARGET_LINK_LIBRARIES(utilTest tutil common osdetail gtest pthread gcov) + + LIST(APPEND BIN_SRC ${CMAKE_CURRENT_SOURCE_DIR}/trefTest.c) + ADD_EXECUTABLE(trefTest ${BIN_SRC}) + TARGET_LINK_LIBRARIES(trefTest common tutil) + ENDIF() -IF (TD_LINUX) - ADD_EXECUTABLE(trefTest ./trefTest.c) - TARGET_LINK_LIBRARIES(trefTest tutil common) -ENDIF () +#IF (TD_LINUX) +# ADD_EXECUTABLE(trefTest ./trefTest.c) +# TARGET_LINK_LIBRARIES(trefTest tutil common) +#ENDIF () INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/util/inc) diff --git a/tests/examples/nodejs/README-win.md b/tests/examples/nodejs/README-win.md new file mode 100644 index 0000000000000000000000000000000000000000..75fec69413af2bb49498118ec7235c9947e2f89e --- /dev/null +++ b/tests/examples/nodejs/README-win.md @@ -0,0 +1,200 @@ +# 如何在windows上使用nodejs进行TDengine应用开发 + +## 环境准备 + +（1）安装nodejs-10.22.0 + +下载链接：https://nodejs.org/dist/v10.22.0/node-v10.22.0-win-x64.zip +解压安装，把node配置到环境变量里 + +cmd启动命令行，查看node的版本 + +```shell +> node.exe --version +v10.22.0 + +> npm --version +6.14.6 +``` + + + +（2）安装python2.7 + +下载链接：https://www.python.org/ftp/python/2.7.18/python-2.7.18.amd64.msi + +查看python版本 + +```shell +>python --version +Python 2.7.18 +``` + + +（3）安装TDengine-client + +下载地址：https://www.taosdata.com/cn/all-downloads/，选择一个合适的windows-client下载（client应该尽量与server端的版本保持一致） + +使用client的taos shell连接server + +```shell +>taos -h node5 + +Welcome to the TDengine shell from Linux, Client Version:2.0.6.0 +Copyright (c) 2017 by TAOS Data, Inc. All rights reserved. + +taos> show dnodes; + id | end_point | vnodes | cores | status | role | create_time | offline reason | +============================================================================================================================================ + 1 | node5:6030 | 7 | 1 | ready | any | 2020-10-26 09:45:26.308 | | +Query OK, 1 row(s) in set (0.036000s) +``` + +注意： +* 检查能否在client的机器上ping通server的fqdn +* 如果你的dns server并没有提供到server的域名解析，可以将server的hostname配置到client的hosts文件中 + + +## 应用开发 + +（1）建立nodejs项目 + +``` +npm init +``` + +（2）安装windows-build-tools +``` +npm install --global --production windows-build-tools +``` + +（3）安装td2.0-connector驱动 + +``` tdshell +npm install td2.0-connector +``` + +（4）nodejs访问tdengine的示例程序 + +```javascript +const taos = require('td2.0-connector'); + +var host = null; +var port = 6030; +for (var i = 2; i < global.process.argv.length; i++) { + var key = global.process.argv[i].split("=")[0]; + var value = global.process.argv[i].split("=")[1]; + + if ("host" == key) { + host = value; + } + if ("port" == key) { + port = value; + } +} + +if (host == null) { + console.log("Usage: node nodejsChecker.js host= port="); + process.exit(0); +} + +// establish connection +var conn = taos.connect({host: host, user: "root", password: "taosdata", port: port}); +var cursor = conn.cursor(); +// create database +executeSql("create database if not exists testnodejs", 0); +// use db +executeSql("use testnodejs", 0); +// drop table +executeSql("drop table if exists testnodejs.weather", 0); +// create table +executeSql("create table if not exists testnodejs.weather(ts timestamp, temperature float, humidity int)", 0); +// insert +executeSql("insert into testnodejs.weather (ts, temperature, humidity) values(now, 20.5, 34)", 1); +// select +executeQuery("select * from testnodejs.weather"); +// close connection +conn.close(); + +function executeQuery(sql) { + var start = new Date().getTime(); + var promise = cursor.query(sql, true); + var end = new Date().getTime(); + promise.then(function (result) { + printSql(sql, result != null, (end - start)); + result.pretty(); + }); +} + +function executeSql(sql, affectRows) { + var start = new Date().getTime(); + var promise = cursor.execute(sql); + var end = new Date().getTime(); + printSql(sql, promise == affectRows, (end - start)); +} + +function printSql(sql, succeed, cost) { + console.log("[ " + (succeed ? "OK" : "ERROR!") + " ] time cost: " + cost + " ms, execute statement ====> " + sql); +} +``` + +（5）测试nodejs程序 + +```shell +>node nodejsChecker.js +Usage: node nodejsChecker.js host= port= +# 提示指定host + +>node nodejsChecker.js host=node5 +Successfully connected to TDengine +Query OK, 0 row(s) affected (0.00997610s) +[ OK ] time cost: 14 ms, execute statement ====> create database if not exists testnodejs +Query OK, 0 row(s) affected (0.00235920s) +[ OK ] time cost: 4 ms, execute statement ====> use testnodejs +Query OK, 0 row(s) affected (0.06604280s) +[ OK ] time cost: 67 ms, execute statement ====> drop table if exists testnodejs.weather +Query OK, 0 row(s) affected (0.59403290s) +[ OK ] time cost: 595 ms, execute statement ====> create table if not exists testnodejs.weather(ts timestamp, temperature float, humidity int) +Query OK, 1 row(s) affected (0.01058950s) +[ OK ] time cost: 12 ms, execute statement ====> insert into testnodejs.weather (ts, temperature, humidity) values(now, 20.5, 34) +Query OK, 1 row(s) in set (0.00401490s) +[ OK ] time cost: 10 ms, execute statement ====> select * from testnodejs.weather +Connection is closed + + ts | temperature | humidity | +===================================================================== +2020-10-27 18:49:15.547 | 20.5 | 34 | +``` + +## 指南 + +### 如何设置主机名和hosts + +在server上查看hostname和fqdn +```shell +查看hostname +# hostname +taos-server + +查看fqdn +# hostname -f +taos-server +``` + +windows下hosts文件位于： +C:\\Windows\System32\drivers\etc\hosts +修改hosts文件，添加server的ip和hostname + +``` +192.168.56.101 node5 +``` + +> 什么是FQDN？ +> +> FQDN（Full qualified domain name）全限定域名，fqdn由2部分组成：hostname+domainname。 +> +> 例如，一个邮件服务器的fqdn可能是：mymail.somecollege.edu，其中mymail是hostname（主机名），somcollege.edu是domainname（域名）。本例中，.edu是顶级域名，.somecollege是二级域名。 +> +> 当连接服务器时，必须指定fqdn，然后，dns服务器通过查看dns表，将hostname解析为相应的ip地址。如果只指定hostname（不指定domainname），应用程序可能服务解析主机名。因为如果你试图访问不在本地的远程服务器时，本地的dns服务器和可能没有远程服务器的hostname列表。 +> +> 参考：https://kb.iu.edu/d/aiuv