def switch_reactor(self, message, channel): import twink.ofp4.parse as ofp4p import twink.ofp4.build as ofp4b msg = ofp4p.parse(message) if msg.header.type==18 and msg.type==13: channel.send(ofp4b.ofp_multipart_reply(ofp4b.ofp_header(4, 19, None, msg.header.xid), 13, 0, ()))
def switch_proc(message, channel):
msg = p.parse(message)
if msg.header.type == OFPT_FEATURES_REQUEST:
channel.send(b.ofp_switch_features(b.ofp_header(4, OFPT_FEATURES_REPLY, 0, msg.header.xid), 1, 2, 3, 0, 0xF))
elif msg.header.type == OFPT_GET_CONFIG_REQUEST:
channel.send(b.ofp_switch_config(b.ofp_header(4, OFPT_GET_CONFIG_REPLY, 0, msg.header.xid), 0, 0xffe5))
elif msg.header.type == OFPT_MULTIPART_REQUEST:
if msg.type == OFPMP_FLOW:
channel.send(b.ofp_multipart_reply(b.ofp_header(4, OFPT_MULTIPART_REPLY, 0, msg.header.xid),
msg.type, 0, [
b.ofp_flow_stats(None, 0, 10, 20, 30, 40, 50, 0, 1, 2, 3,
b.ofp_match(None, None, "".join([
oxm.build(None, oxm.OXM_OF_IN_PORT, None, None, 222),
oxm.build(None, oxm.OXM_OF_ETH_SRC, None, None, binascii.a2b_hex("00112233"))])),
[b.ofp_instruction_actions(OFPIT_APPLY_ACTIONS, None, [
b.ofp_action_output(None, None, 1111, OFPCML_MAX)]),
]),]))
def switch_proc(message, ofchannel):
msg = p.parse(message)
# TODO: Acquire lock
if msg.header.type == OFPT_FEATURES_REQUEST:
channel.send(b.ofp_switch_features(b.ofp_header(4, OFPT_FEATURES_REPLY, 0, msg.header.xid), 1, 2, 3, 0, 0xF))
elif msg.header.type == OFPT_GET_CONFIG_REQUEST:
channel.send(b.ofp_switch_config(b.ofp_header(4, OFPT_GET_CONFIG_REPLY, 0, msg.header.xid), 0, 0xffe5))
elif msg.header.type == OFPT_ROLE_REQUEST:
channel.send(b.ofp_role_request(b.ofp_header(4, OFPT_ROLE_REPLY, 0, msg.header.xid), msg.role, msg.generation_id))
elif msg.header.type == OFPT_FLOW_MOD:
if msg.cookie not in flows:
flows[msg.cookie] = msg
else:
print "I already have this FlowMod: Cookie", \
msg.cookie, oxm.parse_list(flows[msg.cookie].match), (flows[msg.cookie].instructions)
elif msg.header.type == OFPT_MULTIPART_REQUEST:
if msg.type == OFPMP_FLOW:
channel.send(b.ofp_multipart_reply(b.ofp_header(4, OFPT_MULTIPART_REPLY, 0, msg.header.xid),
msg.type, 0, ["".join(b.ofp_flow_stats(None, f.table_id, 1, 2, f.priority,
f.idle_timeout, f.hard_timeout, f.flags, f.cookie, 0, 0,
f.match, f.instructions)
for f in flows.itervalues())]))
elif msg.type == OFPMP_PORT_DESC:
channel.send(b.ofp_multipart_reply(b.ofp_header(4, OFPT_MULTIPART_REPLY, 0, msg.header.xid),
msg.type, 0, ["".join(b.ofp_port(ofp.port_no, ofp.hw_addr, ofp.name, ofp.config, ofp.state,
ofp.curr, ofp.advertised, ofp.supported, ofp.peer, ofp.curr_speed, ofp.max_speed)
for ofp in of_ports.itervalues())]))
elif msg.type == OFPMP_DESC:
channel.send(b.ofp_multipart_reply(b.ofp_header(4, OFPT_MULTIPART_REPLY, 0, msg.header.xid),
msg.type, 0,
b.ofp_desc("UC Berkeley", "Intel Xeon", "BESS", "commit-6e343", None)))
elif msg.header.type == OFPT_PACKET_OUT:
index = msg.actions[0].port
print "Packet out OF Port %d, Len:%d" % (index, len(msg.data))
sock = of_ports[index].pkt_inout_socket
if sock is not None:
sent = sock.send(msg.data)
if sent != len(msg.data):
print "Incomplete Transmission Sent:%d, Len:%d" % (sent, len(msg.data))
else:
print "Packet out OF Port %d, Len:%d. Failed - Null socket" % (index, len(msg.data))
elif msg.header.type == OFPT_HELLO:
pass
elif msg.header.type == OFPT_SET_CONFIG:
pass
elif msg.header.type == OFPT_BARRIER_REQUEST:
pass
else:
print msg
assert 0
