def _broadcast_rpl_pkt(self, rpl):
# broadcast
dstip = ALL_RPL_NODES
dstmac = BROADCAST_MAC
for port in self.ports.keys():
p = self.ports[port]
pkt = self._build_rpl_pkt(dodag,src_ip = self.ip,
dst_ip = dstip,
src_mac = p['hw_addr'],
dst_mac = dstmac, rpl= rpl)
send_packet(self.datapath, port, pkt)
def _send_rpl_pkt(self, out_port=[], dst_ip=[], dst_mac =[], rpl):
"""
out_port: list of output port numbers
dst_ip: list of destination ip addresses for each output port
dst_mac: list of dst mac of each output port
"""
assert len(out_port) == len(dst_ip)
assert len(dst_ip) == len(dst_mac)
# unicast or multicast
for i in range(out_port):
port = out_port[i]
dstip = dst_ip[i]
dstmac = dst_mac[i]
p = self.ports[port]
pkt = self._build_rpl_pkt(dodag,src_ip = self.ip,
dst_ip = dstip,
src_mac = p['hw_addr'],
dst_mac = dstmac, rpl= rpl)
send_packet(self.datapath, port, pkt)
