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
switches 0:0e018d759a2a 18 import re
switches 0:0e018d759a2a 19 import sys
switches 0:0e018d759a2a 20 import uuid
switches 0:0e018d759a2a 21 from sys import stdout
switches 0:0e018d759a2a 22 from socket import socket, AF_INET, SOCK_DGRAM
switches 0:0e018d759a2a 23
switches 0:0e018d759a2a 24 class UDPEchoServerTest():
switches 0:0e018d759a2a 25 ECHO_SERVER_ADDRESS = ""
switches 0:0e018d759a2a 26 ECHO_PORT = 0
switches 0:0e018d759a2a 27 s = None # Socket
switches 0:0e018d759a2a 28
switches 0:0e018d759a2a 29 PATTERN_SERVER_IP = "Server IP Address is (\d+).(\d+).(\d+).(\d+):(\d+)"
switches 0:0e018d759a2a 30 re_detect_server_ip = re.compile(PATTERN_SERVER_IP)
switches 0:0e018d759a2a 31
switches 0:0e018d759a2a 32 def test(self, selftest):
switches 0:0e018d759a2a 33 result = True
switches 0:0e018d759a2a 34 serial_ip_msg = selftest.mbed.serial_readline()
switches 0:0e018d759a2a 35 if serial_ip_msg is None:
switches 0:0e018d759a2a 36 return selftest.RESULT_IO_SERIAL
switches 0:0e018d759a2a 37 selftest.notify(serial_ip_msg)
switches 0:0e018d759a2a 38 # Searching for IP address and port prompted by server
switches 0:0e018d759a2a 39 m = self.re_detect_server_ip.search(serial_ip_msg)
switches 0:0e018d759a2a 40 if m and len(m.groups()):
switches 0:0e018d759a2a 41 self.ECHO_SERVER_ADDRESS = ".".join(m.groups()[:4])
switches 0:0e018d759a2a 42 self.ECHO_PORT = int(m.groups()[4]) # must be integer for socket.connect method
switches 0:0e018d759a2a 43 selftest.notify("HOST: UDP Server found at: " + self.ECHO_SERVER_ADDRESS + ":" + str(self.ECHO_PORT))
switches 0:0e018d759a2a 44
switches 0:0e018d759a2a 45 # We assume this test fails so can't send 'error' message to server
switches 0:0e018d759a2a 46 try:
switches 0:0e018d759a2a 47 self.s = socket(AF_INET, SOCK_DGRAM)
switches 0:0e018d759a2a 48 except Exception, e:
switches 0:0e018d759a2a 49 self.s = None
switches 0:0e018d759a2a 50 selftest.notify("HOST: Socket error: %s"% e)
switches 0:0e018d759a2a 51 return selftest.RESULT_ERROR
switches 0:0e018d759a2a 52
switches 0:0e018d759a2a 53 for i in range(0, 100):
switches 0:0e018d759a2a 54 TEST_STRING = str(uuid.uuid4())
switches 0:0e018d759a2a 55 self.s.sendto(TEST_STRING, (self.ECHO_SERVER_ADDRESS, self.ECHO_PORT))
switches 0:0e018d759a2a 56 data = self.s.recv(len(TEST_STRING))
switches 0:0e018d759a2a 57 received_str = repr(data)[1:-1]
switches 0:0e018d759a2a 58 if TEST_STRING != received_str:
switches 0:0e018d759a2a 59 result = False
switches 0:0e018d759a2a 60 break
switches 0:0e018d759a2a 61 sys.stdout.write('.')
switches 0:0e018d759a2a 62 stdout.flush()
switches 0:0e018d759a2a 63 else:
switches 0:0e018d759a2a 64 result = False
switches 0:0e018d759a2a 65
switches 0:0e018d759a2a 66 if self.s is not None:
switches 0:0e018d759a2a 67 self.s.close()
switches 0:0e018d759a2a 68 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE