module huawei-telnets {

    yang-version 1;

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

    prefix telnets;

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

    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 "Telnet server component.";

    revision "2020-03-04" {
      description "Modify bugs.";
      reference
        "Huawei private.";

    }

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

    }

    ext:task-name "telnet-server";

    typedef telnets-bool {
      type enumeration {
        enum "enable" {
          value 1;
          description
            "Telnet server/service enable.";
        }
        enum "disable" {
          value 0;
          description
            "Telnet server/service disable.";
        }
      }
      description
        "TELNET server bool switch.";
    }

    container telnets {
      description "Telnet server component.";
      container telnet {
        description
          "Configure telnet server configuration statistics.";
        leaf server-enable {
          type telnets-bool;
          default "disable";
          description
            "User can start the telnet service.";
        }

        leaf port-num {
          type uint32 {
            range "23 | 1025..65535";
          }
          default "23";
          description
            "User can set the listen port for telnet server.";
        }

        leaf ipv6-server-enble {
          type telnets-bool;
          default "disable";
          description
            "User can start the telnet IPv6 service.";
        }

        leaf ipv6-port-num {
          type uint32 {
            range "23 | 1025..65535";
          }
          default "23";
          description
            "User can set the IPv6 listen port for Telnet IPv6 server.";
        }

        leaf src-interf-name {
          type string {
            length "1..32";
          }
          status deprecated;
          description
            "Specify the source interface name.";
        }

        leaf acl4-name {
          type leafref {
            path "/acl:acl/acl:groups/acl:group/acl:identity";
          }
          must
            "/acl:acl/acl:groups/acl:group[acl:identity=current()]/acl:type='basic' or /acl:acl/acl:groups/acl:group[acl:identity=current()]/acl:type='advance'";
          description
            "Server ACL name or number for IPv4 connections.";
        }

        leaf acl4-num {
          type leafref {
            path "/acl:acl/acl:groups/acl:group/acl:identity";
          }
          must
            "/acl:acl/acl:groups/acl:group[acl:identity=current()]/acl:type='basic' or /acl:acl/acl:groups/acl:group[acl:identity=current()]/acl:type='advance'";
          status deprecated;
          description
            "Server ACL number for IPv4 connections.";
        }

        leaf acl6-name {
          type leafref {
            path "/acl:acl/acl:group6s/acl:group6/acl:identity";
          }
          must
            "/acl:acl/acl:group6s/acl:group6[acl:identity=current()]/acl:type='basic' or /acl:acl/acl:group6s/acl:group6[acl:identity=current()]/acl:type='advance'";
          description
            "Server ACL name or number for IPv6 connections.";
        }

        leaf acl6-num {
          type leafref {
            path "/acl:acl/acl:group6s/acl:group6/acl:identity";
          }
          must
            "/acl:acl/acl:group6s/acl:group6[acl:identity=current()]/acl:type='basic' or /acl:acl/acl:group6s/acl:group6[acl:identity=current()]/acl:type='advance'";
          status deprecated;
          description
            "Server ACL number for IPv6 connections.";
        }

        leaf src-ipv6-addr {
          type inet:ipv6-address-no-zone;
          status deprecated;
          description
            "TELNET IPv6 server source IP address.";
        }

        leaf src-vpn-name {
          when "../src-ipv6-addr";
          type string {
            length "1..32";
          }
          status deprecated;
          description
            "TELNET IPv6 server source VPN name.";
        }

        leaf packet-dscp {
          type uint32 {
            range "0..63";
          }
          default "48";
          description "Config DSCP value.";
        }

        leaf limit-session-num {
          type uint32 {
            range "1..64";
          }
          default "64";
          description
            "Maximum number of Telnets connections to the server using a single IP address.";
        }
      }  // container telnet

      container login-fail-alarm {
        description
          "Configure alarm when manager login failed frequently.";
        leaf upper-limit {
          type uint32 {
            range "0..100";
          }
          must
            "../upper-limit >= ../lower-limit";
          default "30";
          description
            "Login alarm report times.";
        }

        leaf lower-limit {
          type uint32 {
            range "0..45";
          }
          must
            "../upper-limit >= ../lower-limit";
          default "20";
          description
            "Login alarm resume times.";
        }

        leaf period {
          type uint32 {
            range "1..120";
          }
          units "min";
          default "5";
          description "Login alarm period.";
        }
      }  // container login-fail-alarm

      container ipv4-server-sources {
        description
          "List of Specify the source interface.";
        list ipv4-server-source {
          key "src-interface";
          max-elements 5;
          description
            "Configure Specify the source interface.";
          leaf src-interface {
            type pub-type:if-name;
            description
              "Specify the source interface name. The specified source interface must exist and an IP address must be configured on the interface.";
          }
        }  // list ipv4-server-source
      }  // container ipv4-server-sources

      container ipv4-isolate-server-sources {
        description
          "List of the isolate source interface and source address.";
        list ipv4-isolate-server-source {
          key "src-interface src-ipv4-addr";
          max-elements 5;
          description
            "Configure the isolate source interface and source address.";
          leaf src-interface {
            type pub-type:if-name;
            must
              "count(/telnets/ipv4-server-sources/ipv4-server-source[src-interface = current()]) = 0";
            description
              "Specify the source interface name.";
          }

          leaf src-ipv4-addr {
            type inet:ipv4-address-no-zone;
            description
              "Specify the source IPv4 address.";
          }
        }  // list ipv4-isolate-server-source
      }  // container ipv4-isolate-server-sources

      container ipv6-server-sources {
        description
          "List of telnet IPv6 server source address.";
        list ipv6-server-source {
          key "src-ipv6-addr";
          max-elements 5;
          description
            "Configure telnet IPv6 server source address.";
          leaf src-ipv6-addr {
            type inet:ipv6-address-no-zone;
            description
              "Telnet IPv6 server source IP address.";
          }

          leaf src-ipv6-vpn-name {
            type string {
              length "1..31";
            }
            description
              "Specify the source VPN instance. The specified VPN instance must exist and IPv6-family must be enabled in the VPN instance.";
          }
        }  // list ipv6-server-source
      }  // container ipv6-server-sources

      container ipv6-isolate-server-sources {
        description
          "List of the isolate source interface and source IPv6 address.";
        list ipv6-isolate-server-source {
          key "src-interface src-ipv6-addr";
          max-elements 5;
          description
            "Configure the isolate source interface and source IPv6 address.";
          leaf src-interface {
            type pub-type:if-name;
            description
              "Specify the source interface name.";
          }

          leaf src-ipv6-addr {
            type inet:ipv6-address-no-zone;
            must
              "count(/telnets/ipv6-server-sources/ipv6-server-source[src-ipv6-addr = current()]) = 0";
            description
              "Specify the source IPv6 address.";
          }
        }  // list ipv6-isolate-server-source
      }  // container ipv6-isolate-server-sources

      container all-server-source {
        description
          "Configure Specify all interfaces.";
        leaf all-ipv4-interface {
          type boolean;
          default "false";
          description
            "Enable/disable Specify all IPv4 interfaces.";
        }

        leaf all-ipv6-interface {
          type boolean;
          default "false";
          description
            "Enable/disable Specify all IPv6 interfaces.";
        }
      }  // container all-server-source

      container session-car {
        must 'cir-interval<=pir-interval';
        must 'cbs-interval<=pbs-interval';
        description
          "Configure telnet server session CAR.";
        leaf enable {
          type boolean;
          default "true";
          description
            "Enable/disable session CAR.";
        }

        leaf cir-interval {
          type uint32 {
            range "1..1000000";
          }
          units "kbit/s";
          default "4";
          description
            "Specify the session CAR CIR interval.";
        }

        leaf cbs-interval {
          type uint32 {
            range "1..1000000";
          }
          units "bit/s";
          default "640";
          description
            "Specify the session CAR CBS interval.";
        }

        leaf pir-interval {
          type uint32 {
            range "1..1000000";
          }
          units "kbit/s";
          default "64";
          description
            "Specify the session CAR PIR interval.";
        }

        leaf pbs-interval {
          type uint32 {
            range "1..1000000";
          }
          units "bit/s";
          default "10000";
          description
            "Specify the session CAR PBS interval.";
        }
      }  // container session-car
    }  // container telnets
  }  // module huawei-telnets