def __init__(self,
messages,
controller,
port,
miss_send_len=128,
dpid=None,
n_buffers=100,
n_tables=1,
capability=None,
parser=None,
connection=None):
"""Initialize switch
"""
ofnetwork.switch.__init__(self, miss_send_len, None, dpid, n_buffers,
n_tables, capability)
##Name of use for output
self.name = self.__class__.__name__ + str(id(self))
##Reference to OpenFlow messages
self.__messages = messages
##Reference to connection
self.connection = openflow.tcpsocket(messages, controller, port)
self.sock = self.connection.sock
##Reference to Parser
self.parser = None
if (parser == None):
self.parser = ofmsg.parser(messages)
else:
self.parser = parser
def connectToController(self):
#Connect to controller
ofmsg = openflow.messages()
ofparser = of_msg.parser(ofmsg)
ofsw = of_simu.switch(ofmsg, self.controller, self.port,
dpid=self.CONTROLLER_DPID,
parser=ofparser)
ofsw.send_hello()
while self.running:
msg = ofsw.connection.msgreceive(blocking=False)
# OF to GUI
if msg != None:
ofsw.receive_openflow(msg)
self.queue_OF_to_GUI.put(msg)
# GUI to OF
while not self.queue_GUI_to_OF.empty():
packet = self.queue_GUI_to_OF.get()
ofsw.send_packet(inport=0, packet=packet)
time.sleep(0.1)
def __init__(self, messages, controller, port, miss_send_len=128,
dpid=None, n_buffers=100, n_tables=1,
capability=None, parser=None, connection=None):
"""Initialize switch
"""
ofnetwork.switch.__init__(self, miss_send_len,
None, dpid, n_buffers, n_tables,
capability)
##Name of use for output
self.name = self.__class__.__name__+str(id(self))
##Reference to OpenFlow messages
self.__messages = messages
##Reference to connection
self.connection = openflow.tcpsocket(messages, controller, port)
self.sock = self.connection.sock
##Reference to Parser
self.parser = None
if (parser == None):
self.parser = ofmsg.parser(messages)
else:
self.parser = parser
def connectToController(self):
#Connect to controller
ofmsg = openflow.messages()
ofparser = of_msg.parser(ofmsg)
ofsw = of_simu.switch(ofmsg,
self.controller,
self.port,
dpid=self.CONTROLLER_DPID,
parser=ofparser)
ofsw.send_hello()
while self.running:
msg = ofsw.connection.msgreceive(blocking=False)
# OF to GUI
if msg != None:
ofsw.receive_openflow(msg)
self.queue_OF_to_GUI.put(msg)
# GUI to OF
while not self.queue_GUI_to_OF.empty():
packet = self.queue_GUI_to_OF.get()
ofsw.send_packet(inport=0, packet=packet)
time.sleep(0.1)
##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
dic["xid"][0] == xid):
##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)