def flow_timer(self, dp):
if dp in self.dp_stats:
match = openflow.ofp_match()
match.wildcards = 0xffffffff
self.ctxt.send_flow_stats_request(dp, match, 0xff)
#lg.debug("Mandei o pedido de flowstats para o dpid " + mac_to_str(dp))
self.post_callback(self.dp_poll_period[dp]['flow'], lambda : self.flow_timer(dp))
def aggr_timer(self, dp):
if dp in self.dp_stats:
match = openflow.ofp_match()
match.wildcards = 0xffffffff
self.ctxt.send_aggregate_stats_request(dp, match, 0xff)
self.post_callback(self.dp_poll_period[dp]['aggr'], lambda : self.aggr_timer(dp))
def aggregate_timer(self, dpid):
flow = ofp_match()
flow.wildcards = 0xffff
self.ctxt.send_aggregate_stats_request(dpid, flow, 0xff)
self.post_callback(MONITOR_TABLE_PERIOD,
lambda: self.aggregate_timer(dpid))
def set_match(attrs):
m = openflow.ofp_match()
wildcards = 0
num_entries = 0
if attrs.has_key(core.IN_PORT):
m.in_port = htons(attrs[core.IN_PORT])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_IN_PORT
if attrs.has_key(core.DL_VLAN):
m.dl_vlan = htons(attrs[core.DL_VLAN])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_VLAN
if attrs.has_key(core.DL_VLAN_PCP):
m.dl_vlan_pcp = attrs[core.DL_VLAN_PCP]
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_VLAN_PCP
if attrs.has_key(core.DL_SRC):
v = convert_to_eaddr(attrs[core.DL_SRC])
if v == None:
print "invalid ethernet addr"
return None
m.set_dl_src(v.octet)
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_SRC
if attrs.has_key(core.DL_DST):
v = convert_to_eaddr(attrs[core.DL_DST])
if v == None:
print "invalid ethernet addr"
return None
m.set_dl_dst(v.octet)
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_DST
if attrs.has_key(core.DL_TYPE):
m.dl_type = htons(attrs[core.DL_TYPE])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_TYPE
if attrs.has_key(core.NW_SRC):
v = convert_to_ipaddr(attrs[core.NW_SRC])
if v == None:
print "invalid ip addr"
return None
m.nw_src = v
num_entries += 1
if attrs.has_key(core.NW_SRC_N_WILD):
n_wild = attrs[core.NW_SRC_N_WILD]
if n_wild > 31:
wildcards |= openflow.OFPFW_NW_SRC_MASK
elif n_wild >= 0:
wildcards |= n_wild << openflow.OFPFW_NW_SRC_SHIFT
else:
print "invalid nw_src wildcard bit count", n_wild
return None
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_NW_SRC_MASK
if attrs.has_key(core.NW_DST):
v = convert_to_ipaddr(attrs[core.NW_DST])
if v == None:
print "invalid ip addr"
return None
m.nw_dst = v
num_entries += 1
if attrs.has_key(core.NW_DST_N_WILD):
n_wild = attrs[core.NW_DST_N_WILD]
if n_wild > 31:
wildcards |= openflow.OFPFW_NW_DST_MASK
elif n_wild >= 0:
wildcards |= n_wild << openflow.OFPFW_NW_DST_SHIFT
else:
print "invalid nw_dst wildcard bit count", n_wild
return None
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_NW_DST_MASK
if attrs.has_key(core.NW_PROTO):
m.nw_proto = attrs[core.NW_PROTO]
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_NW_PROTO
if attrs.has_key(core.NW_TOS):
m.nw_tos = attrs[core.NW_TOS]
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_NW_TOS
if attrs.has_key(core.TP_SRC):
m.tp_src = htons(attrs[core.TP_SRC])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_TP_SRC
if attrs.has_key(core.TP_DST):
m.tp_dst = htons(attrs[core.TP_DST])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_TP_DST
if num_entries != len(attrs.keys()):
print "undefined flow attribute type in attrs", attrs
return None
m.wildcards = c_htonl(wildcards)
return m
def aggregate_timer(self, dpid):
flow = ofp_match()
flow.wildcards = 0xffff
self.ctxt.send_aggregate_stats_request(dpid, flow, 0xff)
self.post_callback(MONITOR_TABLE_PERIOD, lambda : self.aggregate_timer(dpid))
def set_match(attrs):
m = openflow.ofp_match()
wildcards = 0
num_entries = 0
if attrs.has_key(core.IN_PORT):
m.in_port = htons(attrs[core.IN_PORT])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_IN_PORT
if attrs.has_key(core.DL_VLAN):
m.dl_vlan = htons(attrs[core.DL_VLAN])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_VLAN
if attrs.has_key(core.DL_VLAN_PCP):
m.dl_vlan = htons(attrs[core.DL_VLAN_PCP])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_VLAN_PCP
if attrs.has_key(core.DL_SRC):
v = convert_to_eaddr(attrs[core.DL_SRC])
if v == None:
print 'invalid ethernet addr'
return None
m.set_dl_src(v.octet)
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_SRC
if attrs.has_key(core.DL_DST):
v = convert_to_eaddr(attrs[core.DL_DST])
if v == None:
print 'invalid ethernet addr'
return None
m.set_dl_dst(v.octet)
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_DST
if attrs.has_key(core.DL_TYPE):
m.dl_type = htons(attrs[core.DL_TYPE])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_DL_TYPE
if attrs.has_key(core.NW_SRC):
v = convert_to_ipaddr(attrs[core.NW_SRC])
if v == None:
print 'invalid ip addr'
return None
m.nw_src = v
num_entries += 1
if attrs.has_key(core.NW_SRC_N_WILD):
n_wild = attrs[core.NW_SRC_N_WILD]
if n_wild > 31:
wildcards |= openflow.OFPFW_NW_SRC_MASK
elif n_wild >= 0:
wildcards |= n_wild << openflow.OFPFW_NW_SRC_SHIFT
else:
print 'invalid nw_src wildcard bit count', n_wild
return None
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_NW_SRC_MASK
if attrs.has_key(core.NW_DST):
v = convert_to_ipaddr(attrs[core.NW_DST])
if v == None:
print 'invalid ip addr'
return None
m.nw_dst = v
num_entries += 1
if attrs.has_key(core.NW_DST_N_WILD):
n_wild = attrs[core.NW_DST_N_WILD]
if n_wild > 31:
wildcards |= openflow.OFPFW_NW_DST_MASK
elif n_wild >= 0:
wildcards |= n_wild << openflow.OFPFW_NW_DST_SHIFT
else:
print 'invalid nw_dst wildcard bit count', n_wild
return None
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_NW_DST_MASK
if attrs.has_key(core.NW_PROTO):
m.nw_proto = attrs[core.NW_PROTO]
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_NW_PROTO
if attrs.has_key(core.NW_TOS):
m.nw_proto = attrs[core.NW_TOS]
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_NW_TOS
if attrs.has_key(core.TP_SRC):
m.tp_src = htons(attrs[core.TP_SRC])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_TP_SRC
if attrs.has_key(core.TP_DST):
m.tp_dst = htons(attrs[core.TP_DST])
num_entries += 1
else:
wildcards = wildcards | openflow.OFPFW_TP_DST
if num_entries != len(attrs.keys()):
print 'undefined flow attribute type in attrs', attrs
return None
m.wildcards = c_htonl(wildcards)
return m
