Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

tools/host_tests/tcpecho_server.py@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 """
elessair 0:f269e3021894 2 mbed SDK
elessair 0:f269e3021894 3 Copyright (c) 2011-2013 ARM Limited
elessair 0:f269e3021894 4
elessair 0:f269e3021894 5 Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:f269e3021894 6 you may not use this file except in compliance with the License.
elessair 0:f269e3021894 7 You may obtain a copy of the License at
elessair 0:f269e3021894 8
elessair 0:f269e3021894 9 http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 10
elessair 0:f269e3021894 11 Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 12 distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:f269e3021894 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 14 See the License for the specific language governing permissions and
elessair 0:f269e3021894 15 limitations under the License.
elessair 0:f269e3021894 16 """
elessair 0:f269e3021894 17 from SocketServer import BaseRequestHandler, TCPServer
elessair 0:f269e3021894 18 from time import time
elessair 0:f269e3021894 19
elessair 0:f269e3021894 20 from mbed_settings import LOCALHOST
elessair 0:f269e3021894 21
elessair 0:f269e3021894 22 MAX_INDEX = 126
elessair 0:f269e3021894 23 MEGA = float(1024 * 1024)
elessair 0:f269e3021894 24
elessair 0:f269e3021894 25 class TCP_EchoHandler(BaseRequestHandler):
elessair 0:f269e3021894 26 def handle(self):
elessair 0:f269e3021894 27 print "\nconnection received"
elessair 0:f269e3021894 28 start = time()
elessair 0:f269e3021894 29 bytes = 0
elessair 0:f269e3021894 30 index = 0
elessair 0:f269e3021894 31 while True:
elessair 0:f269e3021894 32 data = self.request.recv(1024)
elessair 0:f269e3021894 33 if not data: break
elessair 0:f269e3021894 34
elessair 0:f269e3021894 35 bytes += len(data)
elessair 0:f269e3021894 36 for n in map(ord, data):
elessair 0:f269e3021894 37 if n != index:
elessair 0:f269e3021894 38 print "data error %d != %d" % (n , index)
elessair 0:f269e3021894 39 index += 1
elessair 0:f269e3021894 40 if index > MAX_INDEX:
elessair 0:f269e3021894 41 index = 0
elessair 0:f269e3021894 42
elessair 0:f269e3021894 43 self.request.sendall(data)
elessair 0:f269e3021894 44 t = time() - start
elessair 0:f269e3021894 45 b = float(bytes * 8) * 2
elessair 0:f269e3021894 46 print "Throughput: (%.2f)Mbits/s" % ((b/t)/MEGA)
elessair 0:f269e3021894 47
elessair 0:f269e3021894 48 server = TCPServer((LOCALHOST, 7), TCP_EchoHandler)
elessair 0:f269e3021894 49 print "listening for connections"
elessair 0:f269e3021894 50 server.serve_forever()