module huawei-twamp-statistics {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-twamp-statistics";

    prefix twamp-statistics;

    import huawei-twamp-controller {
      prefix twamp-controller;
    }
    import huawei-extension {
      prefix ext;
    }
    import huawei-ifm {
      prefix ifm;
    }

    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 "TWAMP statistics.";

    revision "2020-09-03" {
      description
        "Add new container: link-bundle-statistics.";
      reference
        "Huawei private.";

    }

    revision "2020-03-05" {
      description
        "Modify initial revision's description.";
      reference
        "Huawei private.";

    }

    revision "2019-05-05" {
      description "Init revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "twampclient";

    augment /twamp-controller:twamp-controller/twamp-controller:client/twamp-controller:sessions/twamp-controller:session {
      description "TWAMP augment.";
      container statistics {
        config false;
        description "TWAMP statistics.";
        leaf avg-delay {
          type uint32;
          units "us";
          description "The average delay.";
        }

        leaf avg-jitter {
          type uint32;
          units "us";
          description "The average jitter.";
        }

        leaf loss-count {
          type uint32;
          description "The loss count.";
        }

        leaf send-count {
          type uint32;
          description "The send count.";
        }
      }  // container statistics

      container link-bundle-statistics {
        config false;
        description
          "List of TWAMP link-bundle statistics.";
        list link-bundle-statistic {
          key "if-name";
          description
            "Statistics of TWAMP link-bundle.";
          leaf if-name {
            type leafref {
              path
                "/ifm:ifm/ifm:interfaces/ifm:interface/ifm:name";
            }
            description "Interface Name.";
          }

          leaf if-index {
            type uint32;
            description "Interface ID.";
          }

          leaf loss-count {
            type uint32;
            description "The loss count.";
          }

          leaf send-count {
            type uint32;
            description "The send count.";
          }

          leaf avg-delay {
            type uint32;
            units "us";
            description "The average delay.";
          }

          leaf avg-jitter {
            type uint32;
            units "us";
            description
              "The average jitter.";
          }

          leaf avg-tx-jitter {
            type uint32;
            units "us";
            description
              "The average TX jitter.";
          }

          leaf avg-rx-jitter {
            type uint32;
            units "us";
            description
              "The average RX jitter.";
          }

          leaf max-delay {
            type uint32;
            units "us";
            description "The maximum delay.";
          }

          leaf min-delay {
            type uint32;
            units "us";
            description "The minimum delay.";
          }

          leaf max-jitter {
            type uint32;
            units "us";
            description
              "The maximum jitter.";
          }

          leaf min-jitter {
            type uint32;
            units "us";
            description
              "The minimum jitter.";
          }

          leaf max-tx-jitter {
            type uint32;
            units "us";
            description
              "The maximum TX jitter.";
          }

          leaf min-tx-jitter {
            type uint32;
            units "us";
            description
              "The minimum TX jitter.";
          }

          leaf max-rx-jitter {
            type uint32;
            units "us";
            description
              "The maximum RX jitter.";
          }

          leaf min-rx-jitter {
            type uint32;
            units "us";
            description
              "The minimum RX jitter.";
          }

          leaf member-id-error-count {
            type uint32;
            description
              "The member-id error count.";
          }

          leaf checksum-error-count {
            type uint32;
            description
              "The checksum error count.";
          }
        }  // list link-bundle-statistic
      }  // container link-bundle-statistics
    }
  }  // module huawei-twamp-statistics