Alessandro Angelino / mbed-tools

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Fork of mbed-tools by Morpheus

host_tests/tcpecho_server.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 SocketServer import BaseRequestHandler, TCPServer
screamer 0:4a2e5f0422d6 18 from time import time
screamer 0:4a2e5f0422d6 19
screamer 0:4a2e5f0422d6 20 from private_settings import LOCALHOST
screamer 0:4a2e5f0422d6 21
screamer 0:4a2e5f0422d6 22 MAX_INDEX = 126
screamer 0:4a2e5f0422d6 23 MEGA = float(1024 * 1024)
screamer 0:4a2e5f0422d6 24
screamer 0:4a2e5f0422d6 25 class TCP_EchoHandler(BaseRequestHandler):
screamer 0:4a2e5f0422d6 26 def handle(self):
screamer 0:4a2e5f0422d6 27 print "\nconnection received"
screamer 0:4a2e5f0422d6 28 start = time()
screamer 0:4a2e5f0422d6 29 bytes = 0
screamer 0:4a2e5f0422d6 30 index = 0
screamer 0:4a2e5f0422d6 31 while True:
screamer 0:4a2e5f0422d6 32 data = self.request.recv(1024)
screamer 0:4a2e5f0422d6 33 if not data: break
screamer 0:4a2e5f0422d6 34
screamer 0:4a2e5f0422d6 35 bytes += len(data)
screamer 0:4a2e5f0422d6 36 for n in map(ord, data):
screamer 0:4a2e5f0422d6 37 if n != index:
screamer 0:4a2e5f0422d6 38 print "data error %d != %d" % (n , index)
screamer 0:4a2e5f0422d6 39 index += 1
screamer 0:4a2e5f0422d6 40 if index > MAX_INDEX:
screamer 0:4a2e5f0422d6 41 index = 0
screamer 0:4a2e5f0422d6 42
screamer 0:4a2e5f0422d6 43 self.request.sendall(data)
screamer 0:4a2e5f0422d6 44 t = time() - start
screamer 0:4a2e5f0422d6 45 b = float(bytes * 8) * 2
screamer 0:4a2e5f0422d6 46 print "Throughput: (%.2f)Mbits/s" % ((b/t)/MEGA)
screamer 0:4a2e5f0422d6 47
screamer 0:4a2e5f0422d6 48 server = TCPServer((LOCALHOST, 7), TCP_EchoHandler)
screamer 0:4a2e5f0422d6 49 print "listening for connections"
screamer 0:4a2e5f0422d6 50 server.serve_forever()