Magnificent7 / Hackathon

Includes library modifications to allow access to AIN_4 (AIN_0 / 5)

mbd_os/tools/host_tests/tcpecho_client.py@0:eafc3fd41f75, 2016-09-20 (annotated)

Committer:
bryantaylor
Date:
Tue Sep 20 21:26:12 2016 +0000
Revision:
0:eafc3fd41f75
hackathon

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bryantaylor 0:eafc3fd41f75 1 """
bryantaylor 0:eafc3fd41f75 2 mbed SDK
bryantaylor 0:eafc3fd41f75 3 Copyright (c) 2011-2013 ARM Limited
bryantaylor 0:eafc3fd41f75 4
bryantaylor 0:eafc3fd41f75 5 Licensed under the Apache License, Version 2.0 (the "License");
bryantaylor 0:eafc3fd41f75 6 you may not use this file except in compliance with the License.
bryantaylor 0:eafc3fd41f75 7 You may obtain a copy of the License at
bryantaylor 0:eafc3fd41f75 8
bryantaylor 0:eafc3fd41f75 9 http://www.apache.org/licenses/LICENSE-2.0
bryantaylor 0:eafc3fd41f75 10
bryantaylor 0:eafc3fd41f75 11 Unless required by applicable law or agreed to in writing, software
bryantaylor 0:eafc3fd41f75 12 distributed under the License is distributed on an "AS IS" BASIS,
bryantaylor 0:eafc3fd41f75 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bryantaylor 0:eafc3fd41f75 14 See the License for the specific language governing permissions and
bryantaylor 0:eafc3fd41f75 15 limitations under the License.
bryantaylor 0:eafc3fd41f75 16 """
bryantaylor 0:eafc3fd41f75 17 import socket
bryantaylor 0:eafc3fd41f75 18 import string, random
bryantaylor 0:eafc3fd41f75 19 from time import time
bryantaylor 0:eafc3fd41f75 20
bryantaylor 0:eafc3fd41f75 21 from mbed_settings import SERVER_ADDRESS
bryantaylor 0:eafc3fd41f75 22
bryantaylor 0:eafc3fd41f75 23 ECHO_PORT = 7
bryantaylor 0:eafc3fd41f75 24
bryantaylor 0:eafc3fd41f75 25 LEN_PACKET = 127
bryantaylor 0:eafc3fd41f75 26 N_PACKETS = 5000
bryantaylor 0:eafc3fd41f75 27 TOT_BITS = float(LEN_PACKET * N_PACKETS * 8) * 2
bryantaylor 0:eafc3fd41f75 28 MEGA = float(1024 * 1024)
bryantaylor 0:eafc3fd41f75 29 UPDATE_STEP = (N_PACKETS/10)
bryantaylor 0:eafc3fd41f75 30
bryantaylor 0:eafc3fd41f75 31 class TCP_EchoClient:
bryantaylor 0:eafc3fd41f75 32 def __init__(self, host):
bryantaylor 0:eafc3fd41f75 33 self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
bryantaylor 0:eafc3fd41f75 34 self.s.connect((host, ECHO_PORT))
bryantaylor 0:eafc3fd41f75 35 self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
bryantaylor 0:eafc3fd41f75 36
bryantaylor 0:eafc3fd41f75 37 def __packet(self):
bryantaylor 0:eafc3fd41f75 38 # Comment out the checks when measuring the throughput
bryantaylor 0:eafc3fd41f75 39 # self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
bryantaylor 0:eafc3fd41f75 40 self.s.send(self.packet)
bryantaylor 0:eafc3fd41f75 41 data = self.s.recv(LEN_PACKET)
bryantaylor 0:eafc3fd41f75 42 # assert self.packet == data, "packet error:\n%s\n%s\n" % (self.packet, data)
bryantaylor 0:eafc3fd41f75 43
bryantaylor 0:eafc3fd41f75 44 def test(self):
bryantaylor 0:eafc3fd41f75 45 start = time()
bryantaylor 0:eafc3fd41f75 46 for i in range(N_PACKETS):
bryantaylor 0:eafc3fd41f75 47 if (i % UPDATE_STEP) == 0: print '%.2f%%' % ((float(i)/float(N_PACKETS)) * 100.)
bryantaylor 0:eafc3fd41f75 48 self.__packet()
bryantaylor 0:eafc3fd41f75 49 t = time() - start
bryantaylor 0:eafc3fd41f75 50 print 'Throughput: (%.2f)Mbits/s' % ((TOT_BITS / t)/MEGA)
bryantaylor 0:eafc3fd41f75 51
bryantaylor 0:eafc3fd41f75 52 def __del__(self):
bryantaylor 0:eafc3fd41f75 53 self.s.close()
bryantaylor 0:eafc3fd41f75 54
bryantaylor 0:eafc3fd41f75 55 while True:
bryantaylor 0:eafc3fd41f75 56 e = TCP_EchoClient(SERVER_ADDRESS)
bryantaylor 0:eafc3fd41f75 57 e.test()