Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

tools/host_tests/udpecho_client.py@1:d96dbedaebdb, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:54:50 2016 +0000
Revision:
1:d96dbedaebdb
Parent:
0:6c56fb4bc5f0 
Removed extra directories for other platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 """
nexpaq 0:6c56fb4bc5f0 2 mbed SDK
nexpaq 0:6c56fb4bc5f0 3 Copyright (c) 2011-2013 ARM Limited
nexpaq 0:6c56fb4bc5f0 4
nexpaq 0:6c56fb4bc5f0 5 Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 0:6c56fb4bc5f0 6 you may not use this file except in compliance with the License.
nexpaq 0:6c56fb4bc5f0 7 You may obtain a copy of the License at
nexpaq 0:6c56fb4bc5f0 8
nexpaq 0:6c56fb4bc5f0 9 http://www.apache.org/licenses/LICENSE-2.0
nexpaq 0:6c56fb4bc5f0 10
nexpaq 0:6c56fb4bc5f0 11 Unless required by applicable law or agreed to in writing, software
nexpaq 0:6c56fb4bc5f0 12 distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 0:6c56fb4bc5f0 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 0:6c56fb4bc5f0 14 See the License for the specific language governing permissions and
nexpaq 0:6c56fb4bc5f0 15 limitations under the License.
nexpaq 0:6c56fb4bc5f0 16 """
nexpaq 0:6c56fb4bc5f0 17 from socket import socket, AF_INET, SOCK_DGRAM
nexpaq 0:6c56fb4bc5f0 18 import string, random
nexpaq 0:6c56fb4bc5f0 19 from time import time
nexpaq 0:6c56fb4bc5f0 20
nexpaq 0:6c56fb4bc5f0 21 from mbed_settings import CLIENT_ADDRESS
nexpaq 0:6c56fb4bc5f0 22
nexpaq 0:6c56fb4bc5f0 23 ECHO_PORT = 7
nexpaq 0:6c56fb4bc5f0 24
nexpaq 0:6c56fb4bc5f0 25 LEN_PACKET = 127
nexpaq 0:6c56fb4bc5f0 26 N_PACKETS = 5000
nexpaq 0:6c56fb4bc5f0 27 TOT_BITS = float(LEN_PACKET * N_PACKETS * 8) * 2
nexpaq 0:6c56fb4bc5f0 28 MEGA = float(1024 * 1024)
nexpaq 0:6c56fb4bc5f0 29 UPDATE_STEP = (N_PACKETS/10)
nexpaq 0:6c56fb4bc5f0 30
nexpaq 0:6c56fb4bc5f0 31 class UDP_EchoClient:
nexpaq 0:6c56fb4bc5f0 32 s = socket(AF_INET, SOCK_DGRAM)
nexpaq 0:6c56fb4bc5f0 33
nexpaq 0:6c56fb4bc5f0 34 def __init__(self, host):
nexpaq 0:6c56fb4bc5f0 35 self.host = host
nexpaq 0:6c56fb4bc5f0 36 self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
nexpaq 0:6c56fb4bc5f0 37
nexpaq 0:6c56fb4bc5f0 38 def __packet(self):
nexpaq 0:6c56fb4bc5f0 39 # Comment out the checks when measuring the throughput
nexpaq 0:6c56fb4bc5f0 40 # packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
nexpaq 0:6c56fb4bc5f0 41 UDP_EchoClient.s.sendto(packet, (self.host, ECHO_PORT))
nexpaq 0:6c56fb4bc5f0 42 data = UDP_EchoClient.s.recv(LEN_PACKET)
nexpaq 0:6c56fb4bc5f0 43 # assert packet == data, "packet error:\n%s\n%s\n" % (packet, data)
nexpaq 0:6c56fb4bc5f0 44
nexpaq 0:6c56fb4bc5f0 45 def test(self):
nexpaq 0:6c56fb4bc5f0 46 start = time()
nexpaq 0:6c56fb4bc5f0 47 for i in range(N_PACKETS):
nexpaq 0:6c56fb4bc5f0 48 if (i % UPDATE_STEP) == 0: print '%.2f%%' % ((float(i)/float(N_PACKETS)) * 100.)
nexpaq 0:6c56fb4bc5f0 49 self.__packet()
nexpaq 0:6c56fb4bc5f0 50 t = time() - start
nexpaq 0:6c56fb4bc5f0 51 print 'Throughput: (%.2f)Mbits/s' % ((TOT_BITS / t)/MEGA)
nexpaq 0:6c56fb4bc5f0 52
nexpaq 0:6c56fb4bc5f0 53 while True:
nexpaq 0:6c56fb4bc5f0 54 e = UDP_EchoClient(CLIENT_ADDRESS)
nexpaq 0:6c56fb4bc5f0 55 e.test()