EL4121 Embedded System / mbed-os

mbed-os

Dependents:   cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more

tools/host_tests/udpecho_server_auto.py@0:b74591d5ab33, 2017-12-11 (annotated)

Committer:
be_bryan
Date:
Mon Dec 11 17:54:04 2017 +0000
Revision:
0:b74591d5ab33
motor ++

Who changed what in which revision?

UserRevisionLine numberNew contents of line
be_bryan 0:b74591d5ab33 1 """
be_bryan 0:b74591d5ab33 2 mbed SDK
be_bryan 0:b74591d5ab33 3 Copyright (c) 2011-2013 ARM Limited
be_bryan 0:b74591d5ab33 4
be_bryan 0:b74591d5ab33 5 Licensed under the Apache License, Version 2.0 (the "License");
be_bryan 0:b74591d5ab33 6 you may not use this file except in compliance with the License.
be_bryan 0:b74591d5ab33 7 You may obtain a copy of the License at
be_bryan 0:b74591d5ab33 8
be_bryan 0:b74591d5ab33 9 http://www.apache.org/licenses/LICENSE-2.0
be_bryan 0:b74591d5ab33 10
be_bryan 0:b74591d5ab33 11 Unless required by applicable law or agreed to in writing, software
be_bryan 0:b74591d5ab33 12 distributed under the License is distributed on an "AS IS" BASIS,
be_bryan 0:b74591d5ab33 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
be_bryan 0:b74591d5ab33 14 See the License for the specific language governing permissions and
be_bryan 0:b74591d5ab33 15 limitations under the License.
be_bryan 0:b74591d5ab33 16 """
be_bryan 0:b74591d5ab33 17
be_bryan 0:b74591d5ab33 18 import re
be_bryan 0:b74591d5ab33 19 import sys
be_bryan 0:b74591d5ab33 20 import uuid
be_bryan 0:b74591d5ab33 21 from sys import stdout
be_bryan 0:b74591d5ab33 22 from socket import socket, AF_INET, SOCK_DGRAM
be_bryan 0:b74591d5ab33 23
be_bryan 0:b74591d5ab33 24 class UDPEchoServerTest():
be_bryan 0:b74591d5ab33 25 ECHO_SERVER_ADDRESS = ""
be_bryan 0:b74591d5ab33 26 ECHO_PORT = 0
be_bryan 0:b74591d5ab33 27 s = None # Socket
be_bryan 0:b74591d5ab33 28
be_bryan 0:b74591d5ab33 29 PATTERN_SERVER_IP = "Server IP Address is (\d+).(\d+).(\d+).(\d+):(\d+)"
be_bryan 0:b74591d5ab33 30 re_detect_server_ip = re.compile(PATTERN_SERVER_IP)
be_bryan 0:b74591d5ab33 31
be_bryan 0:b74591d5ab33 32 def test(self, selftest):
be_bryan 0:b74591d5ab33 33 result = True
be_bryan 0:b74591d5ab33 34 serial_ip_msg = selftest.mbed.serial_readline()
be_bryan 0:b74591d5ab33 35 if serial_ip_msg is None:
be_bryan 0:b74591d5ab33 36 return selftest.RESULT_IO_SERIAL
be_bryan 0:b74591d5ab33 37 selftest.notify(serial_ip_msg)
be_bryan 0:b74591d5ab33 38 # Searching for IP address and port prompted by server
be_bryan 0:b74591d5ab33 39 m = self.re_detect_server_ip.search(serial_ip_msg)
be_bryan 0:b74591d5ab33 40 if m and len(m.groups()):
be_bryan 0:b74591d5ab33 41 self.ECHO_SERVER_ADDRESS = ".".join(m.groups()[:4])
be_bryan 0:b74591d5ab33 42 self.ECHO_PORT = int(m.groups()[4]) # must be integer for socket.connect method
be_bryan 0:b74591d5ab33 43 selftest.notify("HOST: UDP Server found at: " + self.ECHO_SERVER_ADDRESS + ":" + str(self.ECHO_PORT))
be_bryan 0:b74591d5ab33 44
be_bryan 0:b74591d5ab33 45 # We assume this test fails so can't send 'error' message to server
be_bryan 0:b74591d5ab33 46 try:
be_bryan 0:b74591d5ab33 47 self.s = socket(AF_INET, SOCK_DGRAM)
be_bryan 0:b74591d5ab33 48 except Exception, e:
be_bryan 0:b74591d5ab33 49 self.s = None
be_bryan 0:b74591d5ab33 50 selftest.notify("HOST: Socket error: %s"% e)
be_bryan 0:b74591d5ab33 51 return selftest.RESULT_ERROR
be_bryan 0:b74591d5ab33 52
be_bryan 0:b74591d5ab33 53 for i in range(0, 100):
be_bryan 0:b74591d5ab33 54 TEST_STRING = str(uuid.uuid4())
be_bryan 0:b74591d5ab33 55 self.s.sendto(TEST_STRING, (self.ECHO_SERVER_ADDRESS, self.ECHO_PORT))
be_bryan 0:b74591d5ab33 56 data = self.s.recv(len(TEST_STRING))
be_bryan 0:b74591d5ab33 57 received_str = repr(data)[1:-1]
be_bryan 0:b74591d5ab33 58 if TEST_STRING != received_str:
be_bryan 0:b74591d5ab33 59 result = False
be_bryan 0:b74591d5ab33 60 break
be_bryan 0:b74591d5ab33 61 sys.stdout.write('.')
be_bryan 0:b74591d5ab33 62 stdout.flush()
be_bryan 0:b74591d5ab33 63 else:
be_bryan 0:b74591d5ab33 64 result = False
be_bryan 0:b74591d5ab33 65
be_bryan 0:b74591d5ab33 66 if self.s is not None:
be_bryan 0:b74591d5ab33 67 self.s.close()
be_bryan 0:b74591d5ab33 68 return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE