func makePort(portNo uint32, port gopenflow.Port) ofp4.Port {
var config uint32
for _, conf := range port.GetConfig() {
switch c := conf.(type) {
case gopenflow.PortConfigPortDown:
if bool(c) {
config |= ofp4.OFPPC_PORT_DOWN
}
case gopenflow.PortConfigNoRecv:
if bool(c) {
config |= ofp4.OFPPC_NO_RECV
}
case gopenflow.PortConfigNoFwd:
if bool(c) {
config |= ofp4.OFPPC_NO_FWD
}
case gopenflow.PortConfigNoPacketIn:
if bool(c) {
config |= ofp4.OFPPC_NO_PACKET_IN
}
}
}
var state uint32
for _, st := range port.State() {
switch s := st.(type) {
case gopenflow.PortStateLinkDown:
if bool(s) {
state |= ofp4.OFPPS_LINK_DOWN
}
case gopenflow.PortStateBlocked:
if bool(s) {
state |= ofp4.OFPPS_BLOCKED
}
case gopenflow.PortStateLive:
if bool(s) {
state |= ofp4.OFPPS_LIVE
}
}
}
eth, err := port.Ethernet()
if err != nil {
log.Print(err)
}
return ofp4.MakePort(portNo,
port.HwAddr(),
[]byte(port.Name()),
config,
state,
eth.Curr,
eth.Advertised,
eth.Supported,
eth.Peer,
eth.CurrSpeed,
eth.MaxSpeed)
}
