Greg Steiert / maxim_dev

Maxim mbed development library

Dependents:   sensomed

tools/host_tests/udpecho_client_auto.py@0:0e018d759a2a, 2016-11-08 (annotated)

Committer:
switches
Date:
Tue Nov 08 18:27:11 2016 +0000
Revision:
0:0e018d759a2a
Initial commit

Who changed what in which revision?

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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 sys
switches 0:0e018d759a2a 19 import socket
switches 0:0e018d759a2a 20 from sys import stdout
switches 0:0e018d759a2a 21 from SocketServer import BaseRequestHandler, UDPServer
switches 0:0e018d759a2a 22
switches 0:0e018d759a2a 23 class UDPEchoClient_Handler(BaseRequestHandler):
switches 0:0e018d759a2a 24 def handle(self):
switches 0:0e018d759a2a 25 """ One handle per connection
switches 0:0e018d759a2a 26 """
switches 0:0e018d759a2a 27 data, socket = self.request
switches 0:0e018d759a2a 28 socket.sendto(data, self.client_address)
switches 0:0e018d759a2a 29 if '{{end}}' in data:
switches 0:0e018d759a2a 30 print
switches 0:0e018d759a2a 31 print data
switches 0:0e018d759a2a 32 else:
switches 0:0e018d759a2a 33 sys.stdout.write('.')
switches 0:0e018d759a2a 34 stdout.flush()
switches 0:0e018d759a2a 35
switches 0:0e018d759a2a 36 class UDPEchoClientTest():
switches 0:0e018d759a2a 37
switches 0:0e018d759a2a 38 def send_server_ip_port(self, selftest, ip_address, port_no):
switches 0:0e018d759a2a 39 c = selftest.mbed.serial_readline() # 'UDPCllient waiting for server IP and port...'
switches 0:0e018d759a2a 40 if c is None:
switches 0:0e018d759a2a 41 selftest.print_result(selftest.RESULT_IO_SERIAL)
switches 0:0e018d759a2a 42 return
switches 0:0e018d759a2a 43 selftest.notify(c.strip())
switches 0:0e018d759a2a 44
switches 0:0e018d759a2a 45 selftest.notify("HOST: Sending server IP Address to target...")
switches 0:0e018d759a2a 46 connection_str = ip_address + ":" + str(port_no) + "\n"
switches 0:0e018d759a2a 47 selftest.mbed.serial_write(connection_str)
switches 0:0e018d759a2a 48
switches 0:0e018d759a2a 49 c = selftest.mbed.serial_readline() # 'UDPCllient waiting for server IP and port...'
switches 0:0e018d759a2a 50 if c is None:
switches 0:0e018d759a2a 51 self.print_result(selftest.RESULT_IO_SERIAL)
switches 0:0e018d759a2a 52 return
switches 0:0e018d759a2a 53 selftest.notify(c.strip())
switches 0:0e018d759a2a 54 return selftest.RESULT_PASSIVE
switches 0:0e018d759a2a 55
switches 0:0e018d759a2a 56 def test(self, selftest):
switches 0:0e018d759a2a 57 # We need to discover SERVEP_IP and set up SERVER_PORT
switches 0:0e018d759a2a 58 # Note: Port 7 is Echo Protocol:
switches 0:0e018d759a2a 59 #
switches 0:0e018d759a2a 60 # Port number rationale:
switches 0:0e018d759a2a 61 #
switches 0:0e018d759a2a 62 # The Echo Protocol is a service in the Internet Protocol Suite defined
switches 0:0e018d759a2a 63 # in RFC 862. It was originally proposed for testing and measurement
switches 0:0e018d759a2a 64 # of round-trip times[citation needed] in IP networks.
switches 0:0e018d759a2a 65 #
switches 0:0e018d759a2a 66 # A host may connect to a server that supports the Echo Protocol using
switches 0:0e018d759a2a 67 # the Transmission Control Protocol (TCP) or the User Datagram Protocol
switches 0:0e018d759a2a 68 # (UDP) on the well-known port number 7. The server sends back an
switches 0:0e018d759a2a 69 # identical copy of the data it received.
switches 0:0e018d759a2a 70 SERVER_IP = str(socket.gethostbyname(socket.getfqdn()))
switches 0:0e018d759a2a 71 SERVER_PORT = 7
switches 0:0e018d759a2a 72
switches 0:0e018d759a2a 73 # Returning none will suppress host test from printing success code
switches 0:0e018d759a2a 74 server = UDPServer((SERVER_IP, SERVER_PORT), UDPEchoClient_Handler)
switches 0:0e018d759a2a 75 print "HOST: Listening for UDP connections..."
switches 0:0e018d759a2a 76 self.send_server_ip_port(selftest, SERVER_IP, SERVER_PORT)
switches 0:0e018d759a2a 77 server.serve_forever()