mbed-os for GR-LYCHEE

Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:f782d9c66c49 1 """
dkato 0:f782d9c66c49 2 mbed SDK
dkato 0:f782d9c66c49 3 Copyright (c) 2011-2013 ARM Limited
dkato 0:f782d9c66c49 4
dkato 0:f782d9c66c49 5 Licensed under the Apache License, Version 2.0 (the "License");
dkato 0:f782d9c66c49 6 you may not use this file except in compliance with the License.
dkato 0:f782d9c66c49 7 You may obtain a copy of the License at
dkato 0:f782d9c66c49 8
dkato 0:f782d9c66c49 9 http://www.apache.org/licenses/LICENSE-2.0
dkato 0:f782d9c66c49 10
dkato 0:f782d9c66c49 11 Unless required by applicable law or agreed to in writing, software
dkato 0:f782d9c66c49 12 distributed under the License is distributed on an "AS IS" BASIS,
dkato 0:f782d9c66c49 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dkato 0:f782d9c66c49 14 See the License for the specific language governing permissions and
dkato 0:f782d9c66c49 15 limitations under the License.
dkato 0:f782d9c66c49 16 """
dkato 0:f782d9c66c49 17 import socket
dkato 0:f782d9c66c49 18 import string, random
dkato 0:f782d9c66c49 19 from time import time
dkato 0:f782d9c66c49 20
dkato 0:f782d9c66c49 21 from mbed_settings import SERVER_ADDRESS
dkato 0:f782d9c66c49 22
dkato 0:f782d9c66c49 23 ECHO_PORT = 7
dkato 0:f782d9c66c49 24
dkato 0:f782d9c66c49 25 LEN_PACKET = 127
dkato 0:f782d9c66c49 26 N_PACKETS = 5000
dkato 0:f782d9c66c49 27 TOT_BITS = float(LEN_PACKET * N_PACKETS * 8) * 2
dkato 0:f782d9c66c49 28 MEGA = float(1024 * 1024)
dkato 0:f782d9c66c49 29 UPDATE_STEP = (N_PACKETS/10)
dkato 0:f782d9c66c49 30
dkato 0:f782d9c66c49 31 class TCP_EchoClient:
dkato 0:f782d9c66c49 32 def __init__(self, host):
dkato 0:f782d9c66c49 33 self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
dkato 0:f782d9c66c49 34 self.s.connect((host, ECHO_PORT))
dkato 0:f782d9c66c49 35 self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
dkato 0:f782d9c66c49 36
dkato 0:f782d9c66c49 37 def __packet(self):
dkato 0:f782d9c66c49 38 # Comment out the checks when measuring the throughput
dkato 0:f782d9c66c49 39 # self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
dkato 0:f782d9c66c49 40 self.s.send(self.packet)
dkato 0:f782d9c66c49 41 data = self.s.recv(LEN_PACKET)
dkato 0:f782d9c66c49 42 # assert self.packet == data, "packet error:\n%s\n%s\n" % (self.packet, data)
dkato 0:f782d9c66c49 43
dkato 0:f782d9c66c49 44 def test(self):
dkato 0:f782d9c66c49 45 start = time()
dkato 0:f782d9c66c49 46 for i in range(N_PACKETS):
dkato 0:f782d9c66c49 47 if (i % UPDATE_STEP) == 0: print '%.2f%%' % ((float(i)/float(N_PACKETS)) * 100.)
dkato 0:f782d9c66c49 48 self.__packet()
dkato 0:f782d9c66c49 49 t = time() - start
dkato 0:f782d9c66c49 50 print 'Throughput: (%.2f)Mbits/s' % ((TOT_BITS / t)/MEGA)
dkato 0:f782d9c66c49 51
dkato 0:f782d9c66c49 52 def __del__(self):
dkato 0:f782d9c66c49 53 self.s.close()
dkato 0:f782d9c66c49 54
dkato 0:f782d9c66c49 55 while True:
dkato 0:f782d9c66c49 56 e = TCP_EchoClient(SERVER_ADDRESS)
dkato 0:f782d9c66c49 57 e.test()