""" mbed SDK Copyright (c) 2011-2013 ARM Limited Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. """ import re import sys import uuid import socket from sys import stdout class TCPEchoServerTest(): ECHO_SERVER_ADDRESS = "" ECHO_PORT = 0 ECHO_LOOPs = 100 s = None # Socket PATTERN_SERVER_IP = "Server IP Address is (\d+).(\d+).(\d+).(\d+):(\d+)" re_detect_server_ip = re.compile(PATTERN_SERVER_IP) def test(self, selftest): result = False c = selftest.mbed.serial_readline() if c is None: return selftest.RESULT_IO_SERIAL selftest.notify(c) m = self.re_detect_server_ip.search(c) if m and len(m.groups()): self.ECHO_SERVER_ADDRESS = ".".join(m.groups()[:4]) self.ECHO_PORT = int(m.groups()[4]) # must be integer for socket.connect method selftest.notify("HOST: TCP Server found at: " + self.ECHO_SERVER_ADDRESS + ":" + str(self.ECHO_PORT)) # We assume this test fails so can't send 'error' message to server try: self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.s.connect((self.ECHO_SERVER_ADDRESS, self.ECHO_PORT)) except Exception, e: self.s = None selftest.notify("HOST: Socket error: %s"% e) return selftest.RESULT_ERROR print 'HOST: Sending %d echo strings...'% self.ECHO_LOOPs, for i in range(0, self.ECHO_LOOPs): TEST_STRING = str(uuid.uuid4()) try: self.s.sendall(TEST_STRING) data = self.s.recv(128) except Exception, e: self.s = None selftest.notify("HOST: Socket error: %s"% e) return selftest.RESULT_ERROR received_str = repr(data)[1:-1] if TEST_STRING == received_str: # We need to cut not needed single quotes from the string sys.stdout.write('.') stdout.flush() result = True else: print "Expected: " print "'%s'"% TEST_STRING print "received: " print "'%s'"% received_str result = False break if self.s is not None: self.s.close() else: selftest.notify("HOST: TCP Server not found") result = False return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE