def create_CSCP_flow(event, index, name, name_len, counterId):
msg = of.ofp_flow_mod()
msg.counterId = counterId
msg.cookie = 0
msg.cookieMask = 0
msg.tableId = CSCP_ID
msg.tableType = CSCP_TYPE #OF_MM_TABLE
msg.priority = 0
msg.index = index
msg.hardTimeout = 10
msg.idleTimeout = 10
tempmatchx = of.ofp_matchx()
tempmatchx.fieldId = 1
tempmatchx.offset = 96
tempmatchx.length = 16
tempmatchx.set_value("0011")
tempmatchx.set_mask("ffff")
msg.matchx.append(tempmatchx) #0011 means a new protocol
tempmatchx = of.ofp_matchx()
tempmatchx.fieldId = 2
tempmatchx.offset = 112
tempmatchx.length = 16
tempmatchx.set_value("0002") #0002 means it is a Content Packet
tempmatchx.set_mask("ffff")
msg.matchx.append(tempmatchx)
tempmatchx = of.ofp_matchx()
tempmatchx.fieldId = 3
tempmatchx.offset = 176
tempmatchx.length = name_len * 8 #notice this must be bit length
value = ""
for i in range(0, len(name)):
value += str(hex(ord(name[i]))[2:])
mask = b'ff'
tempmatchx.set_value(value)
tempmatchx.set_mask(mask * name_len)
msg.matchx.append(tempmatchx)
#instruction
tempins = of.ofp_instruction_applyaction()
action_drop = of.ofp_action_drop()
action_drop.reason = 1 #have store matched Content Object
tempins.actionList.append(action_drop)
msg.instruction.append(tempins)
event.connection.send(msg)
def drop(duration=None):
"""
Drops this packet and optionally installs a flow to continue
dropping similar ones for a while
"""
if duration is not None:
if not isinstance(duration, tuple):
duration = (duration, duration)
add_drop_flow(self, event, duration, packet)
elif event.ofp.bufferId is not None:
#print ('-----------------------')
msg = of.ofp_packet_out()
msg.bufferId = event.ofp.bufferId
msg.inPort = event.port
msg.actions.append(of.ofp_action_drop()) #need to add?
self.connection.send(msg)
def test_group_mod(event):
msg=of.ofp_group_mod()
msg.command = 0
msg.groupType = 0
#msg.actionNum = 4
msg.padding = 0
msg.groupId = 1
msg.counterId = 4
msg.padding = 0
msg.actions = []
action_1 = of.ofp_action_setfield()
action_1.ofActionType = 1
action_1.length = 44
action_1.fieldSetting = of.ofp_matchx()
action_1.fieldSetting.fieldId = 0
action_1.fieldSetting.offset = 0
action_1.fieldSetting.length = 0
action_1.fieldSetting.padding = 0
action_1.fieldSetting.set_value("00")
action_1.fieldSetting.set_mask("00")
msg.actions.append(action_1)
action_2 = of.ofp_action_addfield()
action_2.length = 20
action_2.fieldId = 0
action_2.fieldPosition = 0
action_2.fieldLength = 0
action_2.set_fieldValue("00")
msg.actions.append(action_2)
action_3 = of.ofp_action_group()
action_3.length = 12
action_3.groupId = 0
msg.actions.append(action_3)
action_4 = of.ofp_action_drop()
action_4.length = 12
action_4.reason = 0
msg.actions.append(action_4)
event.connection.send(msg)
def add_drop_flow(l2, event, duration, packet):
msg = of.ofp_flow_mod()
#msg.match = of.ofp_match.from_packet(packet)
msg.idle_timeout = duration[0]
msg.hard_timeout = duration[1]
msg.bufferId = event.ofp.bufferId
#matchx
tempmatchx = of.ofp_matchx()
tempmatchx.fieldId = 1
tempmatchx.offset = 0
tempmatchx.length = 48
temps = packet.dst.toStr()
temps = "".join(temps.split(':'))
tempmatchx.set_value(temps)
tempmatchx.set_mask("ff" * 6)
msg.matchx.append(tempmatchx)
tempmatchx = of.ofp_matchx()
tempmatchx.fieldId = 2
tempmatchx.offset = 48
tempmatchx.length = 48
temps = packet.src.toStr()
temps = "".join(temps.split(':'))
tempmatchx.set_value(temps)
tempmatchx.set_mask("ff" * 6)
msg.matchx.append(tempmatchx)
#need to new a ofp_matchx do we need this???
tempmatchx = of.ofp_matchx()
tempmatchx.fieldId = 3
tempmatchx.offset = 96
tempmatchx.length = 16
tempmatchx.set_value("00")
tempmatchx.set_mask("ff")
msg.matchx.append(tempmatchx)
tempins = of.ofp_instruction_applyaction()
action = of.ofp_action_drop()
tempins.actionList.append(action)
msg.instruction.append(tempins)
l2.connection.send(msg)
def act_drop(args):# [reason]
action=of.ofp_action_drop()
action.reason = args[0]
print ("add the action 'drop' \n")
return action
def action_drop(action_drop_data):
drop = of.ofp_action_drop()
reason = action_drop_data[0]['Reason']
drop.reason = of.ofp_drop_reason_rev_map[reason]
return drop
def test_DROP(event):
num = len(event.connection.phyports)
msg = of.ofp_port_mod()
portmessage = event.connection.phyports[1]
msg.setByPortState(portmessage)
msg.desc.openflowEnable = 1
event.connection.send(msg)
msg = of.ofp_port_mod()
portmessage = event.connection.phyports[3]
msg.setByPortState(portmessage)
msg.desc.openflowEnable = 1
event.connection.send(msg)
ofmatch20_1 = of.ofp_match20()
ofmatch20_1.fieldId = 2
ofmatch20_1.offset = 48
ofmatch20_1.length = 48
ofmatch20_2 = of.ofp_match20()
ofmatch20_2.fieldId = -1
ofmatch20_2.offset = 16
ofmatch20_2.length = 8
##########################################################
#table mode 1
##########################################################
msg = of.ofp_table_mod()
msg.flowTable.matchFieldList.append(ofmatch20_2)
msg.flowTable.command = 0 #OFPTC_ADD
msg.flowTable.tableType = 0 #OF_MM_TABLE
msg.flowTable.matchFieldNum = 1
#msg.flowTable.matchFieldNum=len(msg.flowTable.matchFieldList)
msg.flowTable.tableSize = 128
msg.flowTable.tableId = 0
msg.flowTable.tableName = "FirstEntryTable"
msg.flowTable.keyLength = 8
event.connection.send(msg)
##############################################################################
#flow_mod 1-1
###############################################################################
msg = of.ofp_flow_mod()
msg.counterId = 1
msg.cookie = 0
msg.cookieMask = 0
msg.tableId = 0
msg.tableType = 0 #OF_MM_TABLE
msg.priority = 0
msg.index = 0
tempmatchx = of.ofp_matchx()
tempmatchx.fieldId = -1
tempmatchx.offset = 16
tempmatchx.length = 8
tempmatchx.set_value("02") # null
tempmatchx.set_mask("ff")
msg.matchx.append(tempmatchx)
#instruction
tempins = of.ofp_instruction_applyaction()
action = of.ofp_action_output()
action.portId = 4
action.metadataOffset = 0
action.metadataLength = 0
action.packetOffset = 0
tempins.actionList.append(action)
msg.instruction.append(tempins)
event.connection.send(msg)
##############################################################################
#flow_mod 1-2
###############################################################################
msg = of.ofp_flow_mod()
msg.counterId = 1
msg.cookie = 0
msg.cookieMask = 0
msg.tableId = 0
msg.tableType = 0 #OF_MM_TABLE
msg.priority = 0
msg.index = 0
tempmatchx = of.ofp_matchx()
tempmatchx.fieldId = -1
tempmatchx.offset = 16
tempmatchx.length = 8
tempmatchx.set_value("04") # null
tempmatchx.set_mask("ff")
msg.matchx.append(tempmatchx)
tempins = of.ofp_instruction_applyaction()
action = of.ofp_action_drop()
action.reason = 0
tempins.actionList.append(action)
msg.instruction.append(tempins)
event.connection.send(msg)