def test():
""" Simple test driver that verifies basic correctness. """
import switch
switch.reset_flow_table()
assert switch.add_rules(config.flow_count) == config.flow_count
run()
print state.global_stat
def send_and_count(pkt_size, gap_ms):
"""
Sends 1500 flows, each of FLOW_LENGTH packets of size pkt_size, and with gap_ms in
microseconds. Returns the number of rules in the TCAM and the software table.
"""
switch.reset_flow_table()
tcpdump.sniff_and_send(pkt_count_arg=FLOW_COUNT,
pkt_size_arg=pkt_size,
gap_ns_arg=gap_ms*(10**6),
flow_count_arg=FLOW_COUNT)
time.sleep(5)
flow_table = switch.dump_tables(filter='')
return (len(filter(lambda x: x.find('table_id=0') >=0, flow_table)),
len(filter(lambda x: x.find('table_id=2') >=0, flow_table)))
