Diff: host_tests/udpecho_server_auto.py

Revision:

0:66f3b5499f7f

Child:

43:2a7da56ebd24

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/host_tests/udpecho_server_auto.py	Thu May 19 19:44:41 2016 +0100
@@ -0,0 +1,68 @@
+"""
+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
+from sys import stdout
+from socket import socket, AF_INET, SOCK_DGRAM
+
+class UDPEchoServerTest():
+    ECHO_SERVER_ADDRESS = ""
+    ECHO_PORT = 0
+    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 = True
+        serial_ip_msg = selftest.mbed.serial_readline()
+        if serial_ip_msg is None:
+            return selftest.RESULT_IO_SERIAL
+        selftest.notify(serial_ip_msg)
+        # Searching for IP address and port prompted by server
+        m = self.re_detect_server_ip.search(serial_ip_msg)
+        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: UDP 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(AF_INET, SOCK_DGRAM)
+            except Exception, e:
+                self.s = None
+                selftest.notify("HOST: Socket error: %s"% e)
+                return selftest.RESULT_ERROR
+
+            for i in range(0, 100):
+                TEST_STRING = str(uuid.uuid4())
+                self.s.sendto(TEST_STRING, (self.ECHO_SERVER_ADDRESS, self.ECHO_PORT))
+                data = self.s.recv(len(TEST_STRING))
+                received_str = repr(data)[1:-1]
+                if TEST_STRING != received_str:
+                    result = False
+                    break
+                sys.stdout.write('.')
+                stdout.flush()
+        else:
+            result = False
+
+        if self.s is not None:
+            self.s.close()
+        return selftest.RESULT_SUCCESS if result else selftest.RESULT_FAILURE