new example - stl_imix.py

1 files changed, 106 insertions, 0 deletions

diff --git a/scripts/api/stl/examples/stl_imix.py b/scripts/api/stl/examples/stl_imix.py
new file mode 100644
index 00000000..01eec9b4
--- /dev/null
+++ b/scripts/api/stl/examples/stl_imix.py
@@ -0,0 +1,106 @@
+# include the path of trex_stl_api.py
+import sys
+sys.path.insert(0, "../")
+
+from trex_stl_api import *
+from trex_stl_lib import *
+from profiles.imix import STLImix
+
+import time
+import json
+from pprint import pprint
+
+# IMIX test
+# it maps the ports to sides
+# then it load a predefind profile 'IMIX'
+# and attach it to both sides and inject
+# at a certain rate for some time
+# finally it checks that all packets arrived
+def imix_test ():
+    
+
+    # create client
+    c = STLClient()
+    passed = True
+
+
+    try:
+
+        # base profile - imix
+        profile = STLImix()
+
+        # connect to server
+        c.connect()
+
+        # take all the ports
+        c.reset()
+
+        # map ports - identify the routes
+        table = stl_map_ports(c)
+
+        print "Mapped ports to sides {0} <--> {1}".format(table['dir'][0], table['dir'][1])
+        dir_0 = table['dir'][0]
+        dir_1 = table['dir'][1]
+
+        # add both streams to ports
+        c.add_streams(profile.get_streams(direction = 0), ports = dir_0)
+        c.add_streams(profile.get_streams(direction = 1), ports = dir_1)
+        
+        # clear the stats before injecting
+        c.clear_stats()
+
+        # choose rate and start traffic for 10 seconds on 5 mpps
+        duration = 10
+        mult = "5mpps"
+        print "Injecting {0} <--> {1} on total rate of '{2}' for {3} seconds".format(dir_0, dir_1, mult, duration)
+
+        c.start(ports = (dir_0 + dir_1), mult = mult, duration = duration, total = True)
+        
+        # block until done
+        c.wait_on_traffic(ports = (dir_0 + dir_1))
+
+        # read the stats after the test
+        stats = c.get_stats()
+
+        # use this for debug info on all the stats
+        #pprint(stats)
+
+        # sum dir 0
+        dir_0_opackets = sum([stats[i]["opackets"] for i in dir_0])
+        dir_0_ipackets = sum([stats[i]["ipackets"] for i in dir_0])
+
+        # sum dir 1
+        dir_1_opackets = sum([stats[i]["opackets"] for i in dir_1])
+        dir_1_ipackets = sum([stats[i]["ipackets"] for i in dir_1])
+
+
+        lost_0 = dir_0_opackets - dir_1_ipackets
+        lost_1 = dir_1_opackets - dir_0_ipackets
+
+        print "\nPackets injected from {0}: {1:,}".format(dir_0, dir_0_opackets)
+        print "Packets injected from {0}: {1:,}".format(dir_1, dir_1_opackets)
+
+        print "\npackets lost from {0} --> {1}:   {2:,} pkts".format(dir_0, dir_0, lost_0)
+        print "packets lost from {0} --> {1}:   {2:,} pkts".format(dir_0, dir_0, lost_0)
+
+        if (lost_0 == 0) and (lost_0 == 0):
+            passed = True
+        else:
+            passed = False
+
+    except STLError as e:
+        passed = False
+        print e
+
+    finally:
+        c.disconnect()
+
+    if passed:
+        print "\nTest has passed :-)\n"
+    else:
+        print "\nTest has failed :-(\n"
+
+
+# run the tests
+imix_test()
+