Maxim mbed development library

Dependents:   sensomed

Committer:
switches
Date:
Tue Nov 08 18:27:11 2016 +0000
Revision:
0:0e018d759a2a
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:0e018d759a2a 1 """
switches 0:0e018d759a2a 2 mbed SDK
switches 0:0e018d759a2a 3 Copyright (c) 2011-2013 ARM Limited
switches 0:0e018d759a2a 4
switches 0:0e018d759a2a 5 Licensed under the Apache License, Version 2.0 (the "License");
switches 0:0e018d759a2a 6 you may not use this file except in compliance with the License.
switches 0:0e018d759a2a 7 You may obtain a copy of the License at
switches 0:0e018d759a2a 8
switches 0:0e018d759a2a 9 http://www.apache.org/licenses/LICENSE-2.0
switches 0:0e018d759a2a 10
switches 0:0e018d759a2a 11 Unless required by applicable law or agreed to in writing, software
switches 0:0e018d759a2a 12 distributed under the License is distributed on an "AS IS" BASIS,
switches 0:0e018d759a2a 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:0e018d759a2a 14 See the License for the specific language governing permissions and
switches 0:0e018d759a2a 15 limitations under the License.
switches 0:0e018d759a2a 16 """
switches 0:0e018d759a2a 17 import socket
switches 0:0e018d759a2a 18 import string, random
switches 0:0e018d759a2a 19 from time import time
switches 0:0e018d759a2a 20
switches 0:0e018d759a2a 21 from mbed_settings import SERVER_ADDRESS
switches 0:0e018d759a2a 22
switches 0:0e018d759a2a 23 ECHO_PORT = 7
switches 0:0e018d759a2a 24
switches 0:0e018d759a2a 25 LEN_PACKET = 127
switches 0:0e018d759a2a 26 N_PACKETS = 5000
switches 0:0e018d759a2a 27 TOT_BITS = float(LEN_PACKET * N_PACKETS * 8) * 2
switches 0:0e018d759a2a 28 MEGA = float(1024 * 1024)
switches 0:0e018d759a2a 29 UPDATE_STEP = (N_PACKETS/10)
switches 0:0e018d759a2a 30
switches 0:0e018d759a2a 31 class TCP_EchoClient:
switches 0:0e018d759a2a 32 def __init__(self, host):
switches 0:0e018d759a2a 33 self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
switches 0:0e018d759a2a 34 self.s.connect((host, ECHO_PORT))
switches 0:0e018d759a2a 35 self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
switches 0:0e018d759a2a 36
switches 0:0e018d759a2a 37 def __packet(self):
switches 0:0e018d759a2a 38 # Comment out the checks when measuring the throughput
switches 0:0e018d759a2a 39 # self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
switches 0:0e018d759a2a 40 self.s.send(self.packet)
switches 0:0e018d759a2a 41 data = self.s.recv(LEN_PACKET)
switches 0:0e018d759a2a 42 # assert self.packet == data, "packet error:\n%s\n%s\n" % (self.packet, data)
switches 0:0e018d759a2a 43
switches 0:0e018d759a2a 44 def test(self):
switches 0:0e018d759a2a 45 start = time()
switches 0:0e018d759a2a 46 for i in range(N_PACKETS):
switches 0:0e018d759a2a 47 if (i % UPDATE_STEP) == 0: print '%.2f%%' % ((float(i)/float(N_PACKETS)) * 100.)
switches 0:0e018d759a2a 48 self.__packet()
switches 0:0e018d759a2a 49 t = time() - start
switches 0:0e018d759a2a 50 print 'Throughput: (%.2f)Mbits/s' % ((TOT_BITS / t)/MEGA)
switches 0:0e018d759a2a 51
switches 0:0e018d759a2a 52 def __del__(self):
switches 0:0e018d759a2a 53 self.s.close()
switches 0:0e018d759a2a 54
switches 0:0e018d759a2a 55 while True:
switches 0:0e018d759a2a 56 e = TCP_EchoClient(SERVER_ADDRESS)
switches 0:0e018d759a2a 57 e.test()