Diff: tools/host_tests/udpecho_client.py

Revision:

0:f269e3021894

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/host_tests/udpecho_client.py	Sun Oct 23 15:10:02 2016 +0000
@@ -0,0 +1,55 @@
+"""
+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.
+"""
+from socket import socket, AF_INET, SOCK_DGRAM
+import string, random
+from time import time
+
+from mbed_settings import CLIENT_ADDRESS
+
+ECHO_PORT = 7
+
+LEN_PACKET = 127
+N_PACKETS = 5000
+TOT_BITS = float(LEN_PACKET * N_PACKETS * 8) * 2
+MEGA = float(1024 * 1024)
+UPDATE_STEP = (N_PACKETS/10)
+
+class UDP_EchoClient:
+    s = socket(AF_INET, SOCK_DGRAM)
+
+    def __init__(self, host):
+        self.host = host
+        self.packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
+
+    def __packet(self):
+        # Comment out the checks when measuring the throughput
+        # packet = ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(LEN_PACKET))
+        UDP_EchoClient.s.sendto(packet, (self.host, ECHO_PORT))
+        data = UDP_EchoClient.s.recv(LEN_PACKET)
+        # assert packet == data, "packet error:\n%s\n%s\n" % (packet, data)
+
+    def test(self):
+        start = time()
+        for i in range(N_PACKETS):
+            if (i % UPDATE_STEP) == 0: print '%.2f%%' % ((float(i)/float(N_PACKETS)) * 100.)
+            self.__packet()
+        t = time() - start
+        print 'Throughput: (%.2f)Mbits/s' % ((TOT_BITS / t)/MEGA)
+
+while True:
+    e = UDP_EchoClient(CLIENT_ADDRESS)
+    e.test()