func (of *of10Driver) handlePacketIn(in of10.PacketIn, c *ofConn) error {
inPort := in.InPort()
// Ignore packet-ins on switch specific ports.
if inPort > uint16(of10.PP_MAX) {
glog.V(2).Infof("ignoring packet-in on %v", inPort)
return nil
}
port, ok := of.ofPorts[inPort]
if !ok {
return fmt.Errorf("of10Driver: port not found %v", inPort)
}
if glog.V(2) {
glog.Infof("packet received: %v", in)
}
nomIn := nom.PacketIn{
Node: c.node.UID(),
InPort: port.UID(),
BufferID: nom.PacketBufferID(in.BufferId()),
}
nomIn.Packet = nom.Packet(in.Data())
c.ctx.Emit(nomIn)
//c.ctx.Emit(in)
//buf := make([]byte, 32)
//out := of10.NewPacketOutWithBuf(buf)
//out.Init()
//out.SetBufferId(in.BufferId())
//out.SetInPort(in.InPort())
//bcast := of10.NewActionOutput()
//bcast.SetPort(uint16(of10.PP_FLOOD))
//out.AddActions(bcast.ActionHeader)
//if in.BufferId() == 0xFFFFFFFF {
//for _, d := range in.Data() {
//out.AddData(d)
//}
//} else {
//out.SetBufferId(in.BufferId())
//}
//c.wCh <- out.Header
//if err := c.WriteHeader(out.Header); err != nil {
//return fmt.Errorf("Error in writing a packet out: %v", err)
//}
return nil
}
func sendLLDPPacket(n nom.Node, p nom.Port, ctx bh.RcvContext) {
pkt := nom.PacketOut{
Node: n.UID(),
Packet: nom.Packet(encodeLLDP(n, p)),
BufferID: 0xFFFFFFFF,
Actions: []nom.Action{
nom.ActionForward{
Ports: []nom.UID{p.UID()},
},
},
}
ctx.Emit(pkt)
}
func (of *of12Driver) handlePacketIn(in of12.PacketIn, c *ofConn) error {
m := in.Match()
if m.Type() == uint16(of12.PMT_STANDARD) {
glog.Warningf("standard matches are not supported")
return nil
}
var inPort uint32
hasInPort := false
xm, _ := of12.ToOXMatch(in.Match())
for _, f := range xm.Fields() {
if of12.IsOxmInPort(f) {
xp, _ := of12.ToOxmInPort(f)
inPort = xp.InPort()
hasInPort = true
}
}
if !hasInPort {
glog.V(2).Infof("packet in does not have an input port")
return nil
}
// Ignore packet-ins on switch specific ports.
if inPort > uint32(of10.PP_MAX) {
glog.V(2).Infof("ignoring packet-in on %v", inPort)
return nil
}
port, ok := of.ofPorts[inPort]
if !ok {
return fmt.Errorf("of12Driver: port not found %v", inPort)
}
if glog.V(2) {
glog.Infof("packet received: %v", in)
}
nomIn := nom.PacketIn{
Node: c.node.UID(),
InPort: port.UID(),
BufferID: nom.PacketBufferID(in.BufferId()),
}
nomIn.Packet = nom.Packet(in.Data())
c.ctx.Emit(nomIn)
return nil
}