EL4121 Embedded System / mbed-os

mbed-os

Dependents:   cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more

tools/host_tests/tcpecho_server.py@0:b74591d5ab33, 2017-12-11 (annotated)

Committer:
be_bryan
Date:
Mon Dec 11 17:54:04 2017 +0000
Revision:
0:b74591d5ab33
motor ++

Who changed what in which revision?

UserRevisionLine numberNew contents of line
be_bryan 0:b74591d5ab33 1 """
be_bryan 0:b74591d5ab33 2 mbed SDK
be_bryan 0:b74591d5ab33 3 Copyright (c) 2011-2013 ARM Limited
be_bryan 0:b74591d5ab33 4
be_bryan 0:b74591d5ab33 5 Licensed under the Apache License, Version 2.0 (the "License");
be_bryan 0:b74591d5ab33 6 you may not use this file except in compliance with the License.
be_bryan 0:b74591d5ab33 7 You may obtain a copy of the License at
be_bryan 0:b74591d5ab33 8
be_bryan 0:b74591d5ab33 9 http://www.apache.org/licenses/LICENSE-2.0
be_bryan 0:b74591d5ab33 10
be_bryan 0:b74591d5ab33 11 Unless required by applicable law or agreed to in writing, software
be_bryan 0:b74591d5ab33 12 distributed under the License is distributed on an "AS IS" BASIS,
be_bryan 0:b74591d5ab33 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
be_bryan 0:b74591d5ab33 14 See the License for the specific language governing permissions and
be_bryan 0:b74591d5ab33 15 limitations under the License.
be_bryan 0:b74591d5ab33 16 """
be_bryan 0:b74591d5ab33 17 from SocketServer import BaseRequestHandler, TCPServer
be_bryan 0:b74591d5ab33 18 from time import time
be_bryan 0:b74591d5ab33 19
be_bryan 0:b74591d5ab33 20 from mbed_settings import LOCALHOST
be_bryan 0:b74591d5ab33 21
be_bryan 0:b74591d5ab33 22 MAX_INDEX = 126
be_bryan 0:b74591d5ab33 23 MEGA = float(1024 * 1024)
be_bryan 0:b74591d5ab33 24
be_bryan 0:b74591d5ab33 25 class TCP_EchoHandler(BaseRequestHandler):
be_bryan 0:b74591d5ab33 26 def handle(self):
be_bryan 0:b74591d5ab33 27 print "\nconnection received"
be_bryan 0:b74591d5ab33 28 start = time()
be_bryan 0:b74591d5ab33 29 bytes = 0
be_bryan 0:b74591d5ab33 30 index = 0
be_bryan 0:b74591d5ab33 31 while True:
be_bryan 0:b74591d5ab33 32 data = self.request.recv(1024)
be_bryan 0:b74591d5ab33 33 if not data: break
be_bryan 0:b74591d5ab33 34
be_bryan 0:b74591d5ab33 35 bytes += len(data)
be_bryan 0:b74591d5ab33 36 for n in map(ord, data):
be_bryan 0:b74591d5ab33 37 if n != index:
be_bryan 0:b74591d5ab33 38 print "data error %d != %d" % (n , index)
be_bryan 0:b74591d5ab33 39 index += 1
be_bryan 0:b74591d5ab33 40 if index > MAX_INDEX:
be_bryan 0:b74591d5ab33 41 index = 0
be_bryan 0:b74591d5ab33 42
be_bryan 0:b74591d5ab33 43 self.request.sendall(data)
be_bryan 0:b74591d5ab33 44 t = time() - start
be_bryan 0:b74591d5ab33 45 b = float(bytes * 8) * 2
be_bryan 0:b74591d5ab33 46 print "Throughput: (%.2f)Mbits/s" % ((b/t)/MEGA)
be_bryan 0:b74591d5ab33 47
be_bryan 0:b74591d5ab33 48 server = TCPServer((LOCALHOST, 7), TCP_EchoHandler)
be_bryan 0:b74591d5ab33 49 print "listening for connections"
be_bryan 0:b74591d5ab33 50 server.serve_forever()