add restful multiple threads example

tests/pytest/insert/restful.py

+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import requests, json
+import threading
+import string
+import random
+
+class RestfulInsert:
+    def init(self):
+        self.header = {'Authorization': 'Basic cm9vdDp0YW9zZGF0YQ=='}
+        self.url = "http://127.0.0.1:6041/rest/sql"
+        self.ts = 1104508800000
+        self.numOfThreads = 50
+
+    def get_random_string(self, length):
+        letters = string.ascii_lowercase
+        result_str = ''.join(random.choice(letters) for i in range(length))
+        return result_str
+
+    def insertData(self, threadID):
+        print("thread %d started" % threadID)
+        data = "create table test.tb%d(ts timestamp, name nchar(20))" % threadID
+        requests.post(self.url, data, headers = self.header)              
+        name = self.get_random_string(10)
+        start = self.ts
+        while True:
+            start += 1
+            data = "insert into test.tb%d values(%d, '%s')" % (threadID, start, name)
+            requests.post(self.url, data, headers = self.header)
+
+    def run(self):
+        data = "drop database if exist test"
+        requests.post(self.url, data, headers = self.header)
+        data = "create database test keep 7300"
+        requests.post(self.url, data, headers = self.header)
+
+        threads = []        
+        for i in range(self.numOfThreads):
+            thread = threading.Thread(target=self.insertData, args=(i,))
+            thread.start()
+            threads.append(thread)            
+        
+        for i in range(self.numOfThreads):
+            threads[i].join()
+
+ri = RestfulInsert()
+ri.init()
+ri.run()
+
+
+