module openflow-action {
    namespace "urn:opendaylight:openflow:common:action";
    prefix "ofaction";

    import openflow-types { prefix oft; }

    revision "2013-07-31" {
        description "Initial model";
    }

    identity output {
        description " Output to switch port. ";
        base oft:action;
    }
    identity copy_ttl_out {
        description " Copy TTL \"outwards\" -- from next-to-outermost to outermost ";
        base oft:action;
    }
    identity copy_ttl_in {
        description " Copy TTL \"inwards\" -- from outermost to next-to-outermost ";
        base oft:action;
    }
    identity set_mpls_ttl {
        description " MPLS TTL ";
        base oft:action;
    }
    identity dec_mpls_ttl {
        description " Decrement MPLS TTL ";
        base oft:action;
    }
    identity push_vlan {
        description " Push a new VLAN tag ";
        base oft:action;
    }
    identity pop_vlan {
        description " Pop the outer VLAN tag ";
        base oft:action;
    }
    identity push_mpls {
        description " Push a new MPLS tag ";
        base oft:action;
    }
    identity pop_mpls {
        description " Pop the outer MPLS tag ";
        base oft:action;
    }
    identity set_queue {
        description " Set queue id when outputting to a port ";
        base oft:action;
    }
    identity group {
        description " Apply group. ";
        base oft:action;
    }
    identity set_nw_ttl {
        description " IP TTL. ";
        base oft:action;
    }
    identity dec_nw_ttl {
        description " Decrement IP TTL. ";
        base oft:action;
    }
    identity set_field {
        description " Set a header field using OXM TLV format. ";
        base oft:action;
    }
    identity push_pbb {
        description " Push a new PBB service tag (I-TAG) ";
        base oft:action;
    }
    identity pop_pbb {
        description " Pop the outer PBB service tag (I-TAG) ";
        base oft:action;
    }
    identity experimenter {
        description "";
        base oft:action;
    }
    
    grouping output {
        description 
            "Action structure for OFPAT_OUTPUT, which sends packets out 'port'.
            When the 'port' is the OFPP_CONTROLLER, 'max_len' indicates the max
            number of bytes to send. A 'max_len' of zero means no bytes of the
            packet should be sent. A 'max_len' of OFPCML_NO_BUFFER means that
            the packet is not buffered and the complete packet is to be sent to
            the controller.";
        leaf port {
            type oft:any-port-number;
        }
        leaf max-length {
            description "Maximum packet length to be send to controller.";
            type union {
                type uint16 {
                    range "0..65294"; // 0..0xff0e
                }
                type enumeration {
                    enum max {
                        desription
                            "maximum max_len value which can be used
                            to request a specific byte length";
                        value 65509; //0xffe5
                    }
                    enum no-buffer {
                        description 
                            "indicates that no buffering should be
                             applied and the whole packet is to be
                             sent to the controller";
                        value 65535; //0xffff
                    }
                }
            }
        }
    }

    grouping group {
        leaf group {
            type oft:group-id; // define action group-id type;
        }
    }

    grouping set-queue {
        leaf queue {
            type oft:queue-id;
        }
    }

    grouping set-mpls-ttl {
        leaf mpls_ttl {
            type uint8;
        }
    }

    grouping set-nw-ttl {
        leaf nw_ttl {
            type uint8;
        }
    }

    grouping push-pbb {
        leaf ethertype {
            type oft:ether-type;
        }
    }

    grouping push-mpls {
        leaf ethertype {
            type oft:ether-type;
        }
    }

    grouping push-vlan {
        leaf ethertype {
            type oft:ether-type;
        }
    }

    grouping pop-mpls {
        leaf ethertype {
            type oft:ether-type;
        }
    }

    grouping set-field {
        container field {
            // TODO: figure definition
        }
    }
    
    container actions {
        uses action-header;
    }
    
    grouping action-header {
        leaf type {
            type identityref {
                base oft:action;
            }
        }
    }
    
}