Brian Daniels / mbed-tools

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed-tools by Morpheus

host_tests/udpecho_client.py@0:4a2e5f0422d6, 2016-03-30 (annotated)

Committer:
screamer
Date:
Wed Mar 30 16:23:44 2016 +0000
Revision:
0:4a2e5f0422d6
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:4a2e5f0422d6 1 """
screamer 0:4a2e5f0422d6 2 mbed SDK
screamer 0:4a2e5f0422d6 3 Copyright (c) 2011-2013 ARM Limited
screamer 0:4a2e5f0422d6 4
screamer 0:4a2e5f0422d6 5 Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:4a2e5f0422d6 6 you may not use this file except in compliance with the License.
screamer 0:4a2e5f0422d6 7 You may obtain a copy of the License at
screamer 0:4a2e5f0422d6 8
screamer 0:4a2e5f0422d6 9 http://www.apache.org/licenses/LICENSE-2.0
screamer 0:4a2e5f0422d6 10
screamer 0:4a2e5f0422d6 11 Unless required by applicable law or agreed to in writing, software
screamer 0:4a2e5f0422d6 12 distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:4a2e5f0422d6 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:4a2e5f0422d6 14 See the License for the specific language governing permissions and
screamer 0:4a2e5f0422d6 15 limitations under the License.
screamer 0:4a2e5f0422d6 16 """
screamer 0:4a2e5f0422d6 17 from socket import socket, AF_INET, SOCK_DGRAM
screamer 0:4a2e5f0422d6 18 import string, random
screamer 0:4a2e5f0422d6 19 from time import time
screamer 0:4a2e5f0422d6 20
screamer 0:4a2e5f0422d6 21 from private_settings import CLIENT_ADDRESS
screamer 0:4a2e5f0422d6 22
screamer 0:4a2e5f0422d6 23 ECHO_PORT = 7
screamer 0:4a2e5f0422d6 24
screamer 0:4a2e5f0422d6 25 LEN_PACKET = 127
screamer 0:4a2e5f0422d6 26 N_PACKETS = 5000
screamer 0:4a2e5f0422d6 27 TOT_BITS = float(LEN_PACKET * N_PACKETS * 8) * 2
screamer 0:4a2e5f0422d6 28 MEGA = float(1024 * 1024)
screamer 0:4a2e5f0422d6 29 UPDATE_STEP = (N_PACKETS/10)
screamer 0:4a2e5f0422d6 30
screamer 0:4a2e5f0422d6 31 class UDP_EchoClient:
screamer 0:4a2e5f0422d6 32 s = socket(AF_INET, SOCK_DGRAM)
screamer 0:4a2e5f0422d6 33
screamer 0:4a2e5f0422d6 34 def __init__(self, host):
screamer 0:4a2e5f0422d6 35 self.host = host
screamer 0:4a2e5f0422d6 36 self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
screamer 0:4a2e5f0422d6 37
screamer 0:4a2e5f0422d6 38 def __packet(self):
screamer 0:4a2e5f0422d6 39 # Comment out the checks when measuring the throughput
screamer 0:4a2e5f0422d6 40 # packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
screamer 0:4a2e5f0422d6 41 UDP_EchoClient.s.sendto(packet, (self.host, ECHO_PORT))
screamer 0:4a2e5f0422d6 42 data = UDP_EchoClient.s.recv(LEN_PACKET)
screamer 0:4a2e5f0422d6 43 # assert packet == data, "packet error:\n%s\n%s\n" % (packet, data)
screamer 0:4a2e5f0422d6 44
screamer 0:4a2e5f0422d6 45 def test(self):
screamer 0:4a2e5f0422d6 46 start = time()
screamer 0:4a2e5f0422d6 47 for i in range(N_PACKETS):
screamer 0:4a2e5f0422d6 48 if (i % UPDATE_STEP) == 0: print '%.2f%%' % ((float(i)/float(N_PACKETS)) * 100.)
screamer 0:4a2e5f0422d6 49 self.__packet()
screamer 0:4a2e5f0422d6 50 t = time() - start
screamer 0:4a2e5f0422d6 51 print 'Throughput: (%.2f)Mbits/s' % ((TOT_BITS / t)/MEGA)
screamer 0:4a2e5f0422d6 52
screamer 0:4a2e5f0422d6 53 while True:
screamer 0:4a2e5f0422d6 54 e = UDP_EchoClient(CLIENT_ADDRESS)
screamer 0:4a2e5f0422d6 55 e.test()