module huawei-rbs {

    yang-version 1;

    namespace "urn:huawei:yang:huawei-rbs";

    prefix rbs;

    import huawei-ifm {
      prefix ifm;
    }
    import huawei-pub-type {
      prefix pub-type;
    }
    import ietf-inet-types {
      prefix inet;
    }
    import ietf-yang-types {
      prefix yang;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-etrunk {
      prefix etrunk;
    }
    import huawei-ssl {
      prefix ssl;
    }
    import huawei-ip {
      prefix ip;
    }
    import huawei-vrrp {
      prefix vrrp;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: support@huawei.com";

    description
      "Remote backup service, providing service backup between the master and backup devices, such as ARP entry backup.";

    revision "2020-03-13" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "rbs";

    typedef tcp-state {
      type enumeration {
        enum "initial" {
          value 0;
          description
            "Initial state, a TCP connection status.";
        }
        enum "listening" {
          value 1;
          description
            "Listening state, a TCP connection status.";
        }
        enum "connecting" {
          value 2;
          description
            "Connecting state, meaning that the client is connecting to the server.";
        }
        enum "connected" {
          value 3;
          description
            "Connected state, a TCP connection status.";
        }
      }
      description "TCP connection status.";
    }

    typedef rbp-state {
      type enumeration {
        enum "init" {
          value 0;
          description
            "Initial state, an RBP status.";
        }
        enum "slave" {
          value 1;
          description
            "Slave state, an RBP status.";
        }
        enum "master" {
          value 2;
          description
            "Master state, an RBP status.";
        }
      }
      description "RBP status.";
    }

    typedef backup-mode {
      type enumeration {
        enum "hot" {
          value 1;
          description
            "Hot peer backup mode.";
        }
        enum "warm" {
          value 2;
          description
            "Warm peer backup mode.";
        }
        enum "virtual" {
          value 3;
          description
            "Virtual peer backup mode.";
        }
      }
      description "Backup mode.";
    }

    typedef service-type {
      type enumeration {
        enum "all" {
          value 0;
          description
            "All services that can be backed up.";
        }
        enum "bras" {
          value 1;
          description
            "BRAS services that can be backed up.";
        }
        enum "igmp-snooping" {
          value 2;
          description
            "IGMP snooping services that can be backed up.";
        }
        enum "arp" {
          value 5;
          description
            "ARP services that can be backed up.";
        }
        enum "multicast" {
          value 9;
          description
            "MULTICAST services that can be backed up.";
        }
        enum "l2tp" {
          value 10;
          description
            "L2TP services that can be backed up.";
        }
        enum "igmp" {
          value 21;
          description
            "IGMP services that can be backed up.";
        }
        enum "lacp" {
          value 24;
          description
            "LACP services that can be backed up.";
        }
        enum "no-host-multicast" {
          value 25;
          description
            "No host multicast services that can be backed up.";
        }
        enum "dhcp-server" {
          value 26;
          description
            "DHCP-SERVER services that can be backed up.";
        }
        enum "ipsec" {
          value 30;
          description
            "Ipsec service that can backed up.";
        }
        enum "nd" {
          value 32;
          description
            "Nd service that can backed up.";
        }
        enum "dhcpv6-relay" {
          value 34;
          description
            "DHCPv6-relay service that can backed up.";
        }
      }
      description "RBP service type.";
    }

    typedef vrrp-mac-type {
      type enumeration {
        enum "none" {
          value 0;
          description
            "VRRP association not based on odd/even MAC addresses.";
        }
        enum "even" {
          value 1;
          description
            "VRRP association based on even MAC addresses.";
        }
        enum "odd" {
          value 2;
          description
            "VRRP association based on odd MAC addresses.";
        }
      }
      description "VRRP association mode.";
    }

    typedef block-direct-type {
      type enumeration {
        enum "send" {
          value 1;
          description "Send direction.";
        }
        enum "receive" {
          value 2;
          description "Receive direction.";
        }
      }
      description
        "Block direction of services.";
    }

    typedef block-service-type {
      type enumeration {
        enum "igmp-snooping" {
          value 2;
          description
            "IGMP snooping services that can be backed up.";
        }
        enum "bras" {
          value 1;
          description
            "BRAS services that can be backed up.";
        }
        enum "l2tp" {
          value 10;
          description
            "L2TP services that can be backed up.";
        }
        enum "multicast" {
          value 9;
          description
            "MULTICAST services that can be backed up.";
        }
      }
      description
        "Service type supporting block.";
    }

    typedef batch-backup-type {
      type enumeration {
        enum "bras" {
          value 1;
          description
            "BRAS services that can be batch backed up.";
        }
        enum "igmp-snooping" {
          value 2;
          description
            "IGMP snooping services that can be batch backed up.";
        }
        enum "multicast" {
          value 9;
          description
            "MULTICAST services that can be batch backed up.";
        }
        enum "l2tp" {
          value 10;
          description
            "L2TP services that can be batch backed up.";
        }
        enum "dhcp-server" {
          value 26;
          description
            "DHCP-SERVER services that can be batch backed up.";
        }
        enum "dhcpv6-relay" {
          value 34;
          description
            "DHCPV6 relay services that can be batch backed up.";
        }
      }
      description
        "Service type batch backup.";
    }

    typedef batch-backup-rpc-type {
      type enumeration {
        enum "all" {
          value 0;
          description
            "All services that can be batch backed up now.";
        }
        enum "bras" {
          value 1;
          description
            "BRAS services that can be batch backed up now.";
        }
        enum "igmp-snooping" {
          value 2;
          description
            "IGMP snooping services that can be batch backed up.";
        }
        enum "arp" {
          value 5;
          description
            "ARP services that can be batch backed up.";
        }
        enum "multicast" {
          value 9;
          description
            "MULTICAST services that can be batch backed up.";
        }
        enum "l2tp" {
          value 10;
          description
            "L2TP services that can be batch backed up.";
        }
        enum "dhcp-server" {
          value 26;
          description
            "DHCP-SERVER services that can be batch backed up.";
        }
        enum "ipsec" {
          value 30;
          description
            "IPSEC relay services that can be batch backed up.";
        }
        enum "nd" {
          value 32;
          description
            "ND services that can be batch backed up.";
        }
        enum "dhcpv6-relay" {
          value 34;
          description
            "DHCPV6 relay services that can be batch backed up.";
        }
      }
      description
        "Service type batch backup.";
    }

    container rbs {
      description
        "Remote backup service, providing service backup between the master and backup devices, such as ARP entry backup.";
      container services {
        description
          "List of RBS, including information about all remote backup services on a device.";
        list service {
          key "name";
          description
            "Configure RBS instance list, which can be configured or queried.";
          leaf name {
            type string {
              length "1..32";
              pattern '[0-9a-z_.\-]+';
            }
            description "RBS instance name.";
          }

          leaf peer-ip {
            type inet:ip-address-no-zone;
            must
              "(../peer-ip and ../source-ip and ../tcp-port and ../peer-ip!=../source-ip) or (not (../peer-ip) and not (../source-ip) and not (../tcp-port))";
            description
              "Peer IP/IPv6 address of a TCP connection.";
          }

          leaf source-ip {
            type inet:ip-address-no-zone;
            must
              "(../peer-ip and ../source-ip and ../tcp-port and ../peer-ip!=../source-ip) or (not (../peer-ip) and not (../source-ip) and not (../tcp-port))";
            description
              "Local IP/IPv6 address of a TCP connection.";
          }

          leaf tcp-port {
            type uint32 {
              range "1024..55535";
            }
            must
              "(../peer-ip and ../source-ip and ../tcp-port and ../peer-ip!=../source-ip) or (not (../peer-ip) and not (../source-ip) and not (../tcp-port))";
            description
              "Port number of a TCP connection.";
          }

          leaf shut-down {
            type boolean;
            default "false";
            description
              "Enable/disable an RBS connection.";
          }

          leaf index {
            type uint32;
            config false;
            description
              "RBS instance index, which is automatically allocated by the system. It can be queried but cannot be configured.";
          }

          leaf tcp-state {
            type tcp-state;
            config false;
            description
              "TCP connection status.";
          }

          leaf last-up-time {
            type yang:date-and-time;
            config false;
            description "Last up time.";
          }

          leaf last-down-time {
            type yang:date-and-time;
            config false;
            description "Last down time.";
          }

          leaf last-down-reason {
            type string {
              length "1..64";
            }
            config false;
            description "Last down reason.";
          }

          leaf ssl-policy {
            type leafref {
              path "/ssl:ssl/ssl:ssl-policys/ssl:ssl-policy/ssl:policy-name";
            }
            description "SSL Policy Name.";
          }

          container backup-blocks {
            description
              "List of blocked data backup services in the send or receive direction.";
            list backup-block {
              key "direct service-type";
              description
                "Configure blocked data backup service instance in the send or receive direction.";
              leaf direct {
                type block-direct-type;
                description
                  "Block direction of services.";
              }

              leaf service-type {
                type block-service-type;
                description
                  "Type of blocked services.";
              }
            }  // list backup-block
          }  // container backup-blocks

          container batch-backups {
            description
              "List of periodic service synchronization configurations.";
            list batch-backup {
              key "service-type";
              description
                "Configure periodic service synchronization configuration instance.";
              leaf service-type {
                type batch-backup-type;
                description
                  "Type of services that are periodically synchronized.";
              }

              leaf backup-time {
                type pub-type:time;
                mandatory true;
                description
                  "Backup start time.";
              }
            }  // list batch-backup
          }  // container batch-backups
        }  // list service
      }  // container services

      container profiles {
        description
          "List of remote backup profiles.";
        list profile {
          key "name";
          description
            "Configure RBP instance.";
          leaf name {
            type string {
              length "1..128";
              pattern '[0-9a-z_.\-]+';
            }
            description "RBP instance name.";
          }

          leaf service-name {
            ext:support-filter "true";
            type leafref {
              path "../../../services/service/name";
            }
            must
              "(../service-name and ../backup-id) or (not(../service-name) and not(../backup-id))";
            description
              "Name of the RBS bound to an RBP.";
          }

          leaf backup-id {
            type uint32 {
              range "1..4095";
            }
            must
              "(../service-name and ../backup-id) or (not(../service-name) and not(../backup-id))";
            description "RBS ID.";
          }

          leaf mode {
            type backup-mode;
            default "hot";
            description
              "Backup mode of an RBP.";
          }

          leaf index {
            type uint32;
            config false;
            description
              "RBP index, which is automatically allocated by the system. It can be queried but cannot be configured.";
          }

          leaf local-state {
            type rbp-state;
            config false;
            description
              "Local RBP status when the associated protocol is not VRRP.";
          }

          leaf peer-state {
            type rbp-state;
            config false;
            description
              "Peer RBP status when the associated protocol is not VRRP.";
          }

          choice track-type {
            description
              "Arbitrate protocol configuration.";
            case e-trunk {
              description
                "Etrunk type that rbs profile tracking.";
              leaf etrunk-id {
                type leafref {
                  path "/etrunk:etrunk/etrunk:instances/etrunk:instance/etrunk:id";
                }
                mandatory true;
                description "Etrunk ID.";
              }

              leaf ethtrunk-name {
                type leafref {
                  path "/etrunk:etrunk/etrunk:instances/etrunk:instance[etrunk:id=current()/../etrunk-id]/etrunk:interfaces/etrunk:interface/etrunk:if-name";
                }
                mandatory true;
                description
                  "Eth-trunk name.";
              }
            }  // case e-trunk

            case vrrp {
              description
                "Specify VRRP as arbitrate protocol.";
              container vrrps {
                description
                  "List of associated VRRP backup groups.";
                list vrrp {
                  key "id";
                  unique "mac-type";
                  max-elements 2;
                  description
                    "Configure associated VRRP backup group instance.";
                  leaf id {
                    type uint8 {
                      range "1..255";
                    }
                    must
                      "(count(../../vrrp)=2 and not(../rbs:mac-type='none')) or count(../../vrrp)<=1";
                    description
                      "ID of the associated VRRP backup group.";
                  }

                  leaf if-name {
                    type leafref {
                      path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
                    }
                    mandatory true;
                    description
                      "Name of the interface where the associated VRRP backup group resides.";
                  }

                  leaf mac-type {
                    ext:operation-exclude "update" {
                      description "The mac type cannot be updated.";
                    }
                    type vrrp-mac-type;
                    default "none";
                    description
                      "VRRP association mode.";
                  }

                  leaf local-state {
                    type rbp-state;
                    config false;
                    description
                      "Local RBP status.";
                  }

                  leaf peer-state {
                    type rbp-state;
                    config false;
                    description
                      "Peer RBP status.";
                  }
                }  // list vrrp
              }  // container vrrps
            }  // case vrrp

            case vrrp6 {
              description
                "VRRP6 type that rbs profile tracking.";
              container rbp-vrrp6s {
                description
                  "List of associated VRRP6 backup groups.";
                list rbp-vrrp6 {
                  key "id";
                  max-elements 1;
                  description
                    "Configure associated VRRP6 backup group instance.";
                  leaf id {
                    type leafref {
                      path "/ifm:ifm/ifm:interfaces/ifm:interface/ip:ipv6/vrrp:vrrp6/vrrp:group6s/vrrp:group6/vrrp:id";
                    }
                    description
                      "ID of the associated VRRP6 backup group.";
                  }

                  leaf ifname {
                    type leafref {
                      path "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
                    }
                    mandatory true;
                    description
                      "Name of the interface where the associated VRRP6 backup group resides.";
                  }
                }  // list rbp-vrrp6
              }  // container rbp-vrrp6s
            }  // case vrrp6
          }  // choice track-type

          container service-types {
            description "List of RBS types.";
            list service-type {
              key "type";
              description
                "Configure remote backup service.";
              leaf type {
                type service-type;
                description "RBS type.";
              }
            }  // list service-type
          }  // container service-types
        }  // list profile
      }  // container profiles

      container rbs4-session-car {
        must "pir >= cir and pbs >= cbs";
        description "Configure session CAR.";
        leaf enable {
          type boolean;
          default "true";
          description
            "Enable/disable session CAR.";
        }

        leaf cir {
          type uint32 {
            range "0..1000000";
          }
          units "kbit/s";
          default "12";
          description
            "Specify the session CAR CIR value.";
        }

        leaf cbs {
          type uint32 {
            range "0..9000000";
          }
          units "Byte";
          default "1500";
          description
            "Specify the session CAR CBS value.";
        }

        leaf pir {
          type uint32 {
            range "0..1000000";
          }
          units "kbit/s";
          default "6000";
          description
            "Specify the session CAR PIR value.";
        }

        leaf pbs {
          type uint32 {
            range "0..9000000";
          }
          units "Byte";
          default "750000";
          description
            "Specify the session CAR PBS value.";
        }
      }  // container rbs4-session-car

      container rbs6-session-car {
        must "pir >= cir and pbs >= cbs";
        description "Configure session CAR.";
        leaf enable {
          type boolean;
          default "true";
          description
            "Enable/disable session CAR.";
        }

        leaf cir {
          type uint32 {
            range "0..1000000";
          }
          units "kbit/s";
          default "12";
          description
            "Specify the session CAR CIR value.";
        }

        leaf cbs {
          type uint32 {
            range "0..9000000";
          }
          units "Byte";
          default "1500";
          description
            "Specify the session CAR CBS value.";
        }

        leaf pir {
          type uint32 {
            range "0..1000000";
          }
          units "kbit/s";
          default "6000";
          description
            "Specify the session CAR PIR value.";
        }

        leaf pbs {
          type uint32 {
            range "0..9000000";
          }
          units "Byte";
          default "750000";
          description
            "Specify the session CAR PBS value.";
        }
      }  // container rbs6-session-car
    }  // container rbs

    rpc batch-backup-now {
      ext:node-ref "/rbs:rbs/rbs:services/rbs:service/rbs:batch-backups";
      description
        "The batch-backup service-type now command immediately backs up user services on an RBS.";
      input {
        leaf rbs-name {
          type leafref {
            path "/rbs:rbs/rbs:services/rbs:service/rbs:name";
          }
          mandatory true;
          description "RBS instance name.";
        }

        leaf service-type {
          type batch-backup-rpc-type;
          mandatory true;
          description
            "Type of services that are synchronized now.";
        }
      }
    }  // rpc batch-backup-now

    augment /ifm:ifm/ifm:interfaces/ifm:interface {
      description
        "RBP extend parameters on interface.";
      container rbs {
        description
          "Configure list of interfaces bound to an RBP.";
        container bind-rbp {
          description
            "Configure interface bound to an RBP.";
          leaf name {
            ext:support-filter "true";
            type leafref {
              path "/rbs:rbs/rbs:profiles/rbs:profile/rbs:name";
            }
            must
              "not(/rbs:rbs/rbs:profiles/rbs:profile[rbs:name=current()]/rbs:vrrps/rbs:vrrp) or (/rbs:rbs/rbs:profiles/rbs:profile[rbs:name=current()]/rbs:vrrps/rbs:vrrp[rbs:mac-type='none']) or (count(/rbs:rbs/rbs:profiles/rbs:profile[rbs:name=current()]/rbs:vrrps/rbs:vrrp)=2)";
            description
              "Name of an interface bound to an RBP.";
          }
        }  // container bind-rbp
      }  // container rbs
    }

    augment /etrunk:etrunk/etrunk:instances/etrunk:instance {
      description
        "RBP extend parameters on E-Trunk.";
      container rbs {
        description
          "Configure RBP extend parameters on E-Trunk.";
        container rbs-backup-port {
          presence
            "The TCP port number for a dual-device hot backup channel.";
          description
            "Configure the TCP port number for a dual-device hot backup channel.";
          leaf port-num {
            type uint32 {
              range "1025..65535";
            }
            mandatory true;
            description
              "Port number of a TCP connection.";
          }
        }  // container rbs-backup-port
      }  // container rbs
    }
  }  // module huawei-rbs