module huawei-pcc-notification {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-pcc-notification";

    prefix pcc-notification;

    import ietf-inet-types {
      prefix inet;
    }
    import huawei-extension {
      prefix ext;
    }

    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 "Notification of PCC.";

    revision "2021-05-26" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "pce";

    notification pce-delgate-resource-limit-exceed {
      description
        "PCE server entering resource limit exceeded state.";
    }  // notification pce-delgate-resource-limit-exceed

    notification pce-delgate-resource-limit-exceed-clear {
      description
        "PCE server exiting resource limit exceeded state.";
    }  // notification pce-delgate-resource-limit-exceed-clear

    notification mpls-tunnel-delegation-return {
      description
        "The results of TE LSP was returned by controller.";
      leaf session-tunnel-id {
        type uint32;
        description "Tunnel ID.";
      }

      leaf local-lsp-id {
        type uint32;
        description "Local LSP ID.";
      }

      leaf ingress-lsr-id {
        type inet:ipv4-address-no-zone;
        description
          "LSR ID of the tunnel ingress node.";
      }

      leaf egress-lsr-id {
        type inet:ipv4-address-no-zone;
        description
          "LSR ID of the tunnel egress node.";
      }

      leaf tunnel-name {
        type string {
          length "1..63";
        }
        description "Tunnel name.";
      }

      leaf lsp-role {
        type string {
          length "1..63";
        }
        description
          "LSP role: Primary LSP, Backup LSP, Ordinary LSP, Best-effort LSP.";
      }
    }  // notification mpls-tunnel-delegation-return

    notification mpls-tunnel-delegation-return-clear {
      description
        "The results of TE LSP was returned by controller is cleared.";
      leaf session-tunnel-id {
        type uint32;
        description "Tunnel ID.";
      }

      leaf local-lsp-id {
        type uint32;
        description "Local LSP ID.";
      }

      leaf ingress-lsr-id {
        type inet:ipv4-address-no-zone;
        description
          "LSR ID of the tunnel ingress node.";
      }

      leaf egress-lsr-id {
        type inet:ipv4-address-no-zone;
        description
          "LSR ID of the tunnel egress node.";
      }

      leaf tunnel-name {
        type string {
          length "1..63";
        }
        description "Tunnel name.";
      }

      leaf lsp-role {
        type string {
          length "1..63";
        }
        description
          "LSP role: Primary LSP, Backup LSP, Ordinary LSP, Best-effort LSP.";
      }
    }  // notification mpls-tunnel-delegation-return-clear

    notification pcep-session-down {
      description
        "PCEP session state change.";
      leaf entity-index {
        type uint32;
        description "PCEP index.";
      }

      leaf address-type {
        type uint32;
        description
          "Type of a peer PCEP IP address.";
      }

      leaf peer-address {
        type string {
          length "1..63";
        }
        description
          "IP address of a peer PCEP device.";
      }

      leaf session-initiator {
        type uint32;
        description
          "Initial PCEP session status.";
      }

      leaf session-state {
        type uint32;
        description "PCEP session status.";
      }

      leaf state-change-time {
        type uint32;
        description
          "Last changed PCEP session status.";
      }

      leaf reason {
        type string {
          length "1..63";
        }
        description "Cause for the alarm.";
      }
    }  // notification pcep-session-down

    notification pcep-session-up {
      description
        "PCEP session state change.";
      leaf entity-index {
        type uint32;
        description "PCEP index.";
      }

      leaf address-type {
        type uint32;
        description
          "Type of a peer PCEP IP address.";
      }

      leaf peer-address {
        type string {
          length "1..63";
        }
        description
          "IP address of a peer PCEP device.";
      }

      leaf session-initiator {
        type uint32;
        description
          "Initial PCEP session status.";
      }

      leaf session-state {
        type uint32;
        description "PCEP session status.";
      }

      leaf state-change-time {
        type uint32;
        description
          "Last changed PCEP session status.";
      }

      leaf reason {
        type string {
          length "1..63";
        }
        description "Cause for the alarm.";
      }
    }  // notification pcep-session-up
  }  // module huawei-pcc-notification