module Combined {

    yang-version 1;
    namespace "ych:combined";
    prefix "combined";

    organization "Huawei India Pvt. Ltd.";

    description "This module defines for purchasing-supervisor.";

    revision "2016-05-24" {
        description "Initial revision.";
    }

    typedef protocol-version {
        type uint8 {
            range 1..7;
        }
    }

    typedef path-id {
        type uint32;
        default 0;
        description
            "Identifier of a single path. The identifier does not
             carry any semantic meaning beyond uniquely identifying
             a path.";
    }

    typedef as-num {
        type uint32;
        default 0;
        description
            "Identifier of a single path. The identifier does not
             carry any semantic meaning beyond uniquely identifying
             a path.";
    }

    typedef metric {
        type uint32;
        default 0;
        description
            "Identifier of a single path. The identifier does not
             carry any semantic meaning beyond uniquely identifying
             a path.";
    }

    container attributes {
        container origin {
            reference "http://tools.ietf.org/html/rfc4271#section-5.1.1";
            leaf value {
                type path-id;
                mandatory true;
            }
        }
        container multi-exit-disc {
            reference "http://tools.ietf.org/html/rfc4271#section-5.1.4";
            leaf med {
                type uint32;
            }
        }
        container local-pref {
            reference "http://tools.ietf.org/html/rfc4271#section-5.1.5";
            leaf pref {
                type uint32;
            }
        }
        container aigp {
            container aigp-tlv {
                leaf metric {
                    type metric;
                }
            }
        }

        list unrecognized-attributes {
            key type;
            leaf partial {
                type boolean;
                mandatory true;
            }
            leaf transitive {
                type boolean;
                mandatory true;
            }
            leaf type {
                type uint8;
                mandatory true;
            }
            leaf value {
                type binary {
                    length 0..65535;
                }
                mandatory true;
            }
        }

        list bgp-parameters {
            config false;
            list optional-capabilities {
                config false;
                reference "http://tools.ietf.org/html/rfc5492#section-4";
                container c-parameters {
                    container as4-bytes-capability {
                        reference "http://tools.ietf.org/html/rfc6793";
                        leaf as-number {
                            type as-num;
                        }
                    }
                }
            }
        }
    }
}