Rtos API example

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1 """
marcozecchini 0:9fca2b23d0ba 2 mbed SDK
marcozecchini 0:9fca2b23d0ba 3 Copyright (c) 2011-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 4
marcozecchini 0:9fca2b23d0ba 5 Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 6 you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 7 You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 8
marcozecchini 0:9fca2b23d0ba 9 http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 10
marcozecchini 0:9fca2b23d0ba 11 Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 12 distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 14 See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 15 limitations under the License.
marcozecchini 0:9fca2b23d0ba 16 """
marcozecchini 0:9fca2b23d0ba 17 from SocketServer import BaseRequestHandler, TCPServer
marcozecchini 0:9fca2b23d0ba 18 from time import time
marcozecchini 0:9fca2b23d0ba 19
marcozecchini 0:9fca2b23d0ba 20 from mbed_settings import LOCALHOST
marcozecchini 0:9fca2b23d0ba 21
marcozecchini 0:9fca2b23d0ba 22 MAX_INDEX = 126
marcozecchini 0:9fca2b23d0ba 23 MEGA = float(1024 * 1024)
marcozecchini 0:9fca2b23d0ba 24
marcozecchini 0:9fca2b23d0ba 25 class TCP_EchoHandler(BaseRequestHandler):
marcozecchini 0:9fca2b23d0ba 26 def handle(self):
marcozecchini 0:9fca2b23d0ba 27 print "\nconnection received"
marcozecchini 0:9fca2b23d0ba 28 start = time()
marcozecchini 0:9fca2b23d0ba 29 bytes = 0
marcozecchini 0:9fca2b23d0ba 30 index = 0
marcozecchini 0:9fca2b23d0ba 31 while True:
marcozecchini 0:9fca2b23d0ba 32 data = self.request.recv(1024)
marcozecchini 0:9fca2b23d0ba 33 if not data: break
marcozecchini 0:9fca2b23d0ba 34
marcozecchini 0:9fca2b23d0ba 35 bytes += len(data)
marcozecchini 0:9fca2b23d0ba 36 for n in map(ord, data):
marcozecchini 0:9fca2b23d0ba 37 if n != index:
marcozecchini 0:9fca2b23d0ba 38 print "data error %d != %d" % (n , index)
marcozecchini 0:9fca2b23d0ba 39 index += 1
marcozecchini 0:9fca2b23d0ba 40 if index > MAX_INDEX:
marcozecchini 0:9fca2b23d0ba 41 index = 0
marcozecchini 0:9fca2b23d0ba 42
marcozecchini 0:9fca2b23d0ba 43 self.request.sendall(data)
marcozecchini 0:9fca2b23d0ba 44 t = time() - start
marcozecchini 0:9fca2b23d0ba 45 b = float(bytes * 8) * 2
marcozecchini 0:9fca2b23d0ba 46 print "Throughput: (%.2f)Mbits/s" % ((b/t)/MEGA)
marcozecchini 0:9fca2b23d0ba 47
marcozecchini 0:9fca2b23d0ba 48 server = TCPServer((LOCALHOST, 7), TCP_EchoHandler)
marcozecchini 0:9fca2b23d0ba 49 print "listening for connections"
marcozecchini 0:9fca2b23d0ba 50 server.serve_forever()