swno=int(arg)
elif (opt in ("-d","--duration")):
duration=int(arg)
elif (opt in ("-r","--rate")):
rate=float(arg)
else:
print "Unhandled option :"+opt
sys.exit(2)
#Form packet
pkt = dpkt.ethernet.Ethernet()
pkt.type = dpkt.ethernet.ETH_MIN
pkt.dst = '\xFF\xFF\xFF\xFF\xFF\xFF'
#Connect to controller
ofmsg = openflow.messages()
parser = of.msg.parser(ofmsg)
ofnet = of.simu.network()
for i in range(1,swno+1):
ofsw = of.simu.switch(ofmsg, args[0], port,
dpid=i,
parser=parser)
ofnet.add_switch(ofsw)
ofsw.send_hello()
output.info("Running "+str(swno)+" switches at "+str(rate)+\
" packets per seconds for "+str(duration)+" s")
starttime = time.time()
running = True
interval = 1.0/(rate*swno)
##Print size
printsize = False
for opt,arg in opts:
if (opt in ("-h","--help")):
usage()
sys.exit(0)
elif (opt in ("-s","--size")):
printsize = True
elif (opt in ("-c","--cstruct")):
printc = True
elif (opt in ("-n","--names")):
printname = True
else:
assert (False,"Unhandled option :"+opt)
pyopenflow = openflow.messages()
cstruct = pyopenflow.structs[args[0].strip()]
pattern = pyopenflow.get_pattern(cstruct)
#Print C struct
if (printc):
print cstruct
#Print pattern
print "Python pattern = "+str(pattern)
#Print name
if (printname):
print cstruct.get_names()
#Print size
##Print size
printsize = False
for opt, arg in opts:
if (opt in ("-h", "--help")):
usage()
sys.exit(0)
elif (opt in ("-s", "--size")):
printsize = True
elif (opt in ("-c", "--cstruct")):
printc = True
elif (opt in ("-n", "--names")):
printname = True
else:
assert (False, "Unhandled option :" + opt)
pyopenflow = openflow.messages()
cstruct = pyopenflow.structs[args[0].strip()]
pattern = pyopenflow.get_pattern(cstruct)
#Print C struct
if (printc):
print cstruct
#Print pattern
print "Python pattern = " + str(pattern)
#Print name
if (printname):
print cstruct.get_names()
#Print size
if not (len(args) == 1):
usage()
sys.exit(2)
# Parse options
##Input
headerfile = None
##Template file
templatefile = None
for opt, arg in opts:
if opt in ("-h", "--help"):
usage()
sys.exit(0)
elif opt in ("-i", "--input"):
headerfile = arg
elif opt in ("-t", "--template"):
templatefile = arg
else:
print "Unhandled option:" + opt
sys.exit(2)
# Generate Python code
ofmsg = openflow.messages(headerfile)
pynizer = of.pythonize.pythonizer(ofmsg)
fileRef = open(args[0], "w")
for x in pynizer.pycode(templatefile):
fileRef.write(x + "\n")
fileRef.write("\n")
fileRef.close()
port = 6633
##Set output mode
output.set_mode("INFO")
for opt,arg in opts:
if (opt in ("-h","--help")):
usage()
sys.exit(0)
elif (opt in ("-v","--verbose")):
output.set_mode("DBG")
elif (opt in ("-p","--port")):
port=int(arg)
else:
assert (False,"Unhandled option :"+opt)
#Connect to controller
ofmsg = openflow.messages()
parser = of.msg.parser(ofmsg)
ofsw = of.simu.switch(ofmsg, args[0], port,
dpid=int("0xcafecafe",16),
parser=parser)
ofsw.send_hello()
#Send echo and wait
xid = 22092009
running = True
ofsw.send_echo(xid)
starttime = time.time()
while running:
msg = ofsw.connection.msgreceive(True, 0.00001)
pkttime = time.time()
dic = ofmsg.peek_from_front("ofp_header", msg)
if (dic["type"][0] == ofmsg.get_value("OFPT_ECHO_REPLY") and
