module huawei-tty {

    yang-version 1;

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

    prefix tty;

    import huawei-pub-type {
      prefix pub-type;
    }
    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 "TTY Component.";

    revision "2020-03-02" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "tty";

    typedef tty-caml-line-type {
      type enumeration {
        enum "CON" {
          value 1;
          description "Line type console.";
        }
        enum "AUX" {
          value 2;
          description "Line type AUX.";
        }
        enum "TTY" {
          value 3;
          description "Line type TTY.";
        }
        enum "VTY" {
          value 4;
          description "Line type VTY.";
        }
        enum "LTT" {
          value 5;
          description "Line type LTT.";
        }
        enum "NCA" {
          value 6;
          description "Line type netconf.";
        }
        enum "RPC" {
          value 8;
          description "Line type grpc.";
        }
      }
      description "TTY CAML line type list.";
    }

    typedef tty-caml-connstate {
      type enumeration {
        enum "YES" {
          value 1;
          description
            "Terminal is connected.";
        }
        enum "NO" {
          value 2;
          description
            "Terminal is not connected.";
        }
      }
      description
        "TTY CAML connection state list.";
    }

    typedef tty-flwcntrl-type {
      type enumeration {
        enum "none" {
          value 1;
          description
            "Flow control as none.";
        }
        enum "software" {
          value 2;
          description
            "Flow control as software.";
        }
        enum "hardware" {
          value 3;
          description
            "Flow control as hardware.";
        }
      }
      description
        "TTY flow control type list.";
    }

    typedef tty-stop-bits-type {
      type enumeration {
        enum "1" {
          value 1;
          description "Stopbit as 1.";
        }
        enum "1.5" {
          value 2;
          description "Stop bit as 1.5.";
        }
        enum "2" {
          value 3;
          description "Stop bit as 2.";
        }
      }
      description "TTY stop bits type list.";
    }

    typedef tty-data-bits-type {
      type enumeration {
        enum "5" {
          value 1;
          description "Data bits as 5.";
        }
        enum "6" {
          value 2;
          description "Data bits as 6.";
        }
        enum "7" {
          value 3;
          description "Data bits as 7.";
        }
        enum "8" {
          value 4;
          description "Databits as 8.";
        }
      }
      description "TTY data bits type list.";
    }

    typedef tty-parity-type {
      type enumeration {
        enum "none" {
          value 1;
          description "Parity as None.";
        }
        enum "odd" {
          value 2;
          description "Parity as odd.";
        }
        enum "even" {
          value 3;
          description "Parity as even.";
        }
        enum "mark" {
          value 4;
          description "Parity as mark.";
        }
        enum "space" {
          value 5;
          description "Parity as space.";
        }
      }
      description "TTY parity type list.";
    }

    typedef tty-authmode-type {
      type enumeration {
        enum "none" {
          value 1;
          description
            "Authentication mode none.";
        }
        enum "password" {
          value 2;
          description
            "Authentication mode password.";
        }
        enum "aaa" {
          value 3;
          description
            "Authentication mode aaa.";
        }
        enum "init" {
          value 4;
          description
            "Undo authentication mode.";
        }
      }
      description
        "TTY authentication mode type list.";
    }

    typedef tty-bool-type {
      type enumeration {
        enum "false" {
          value 0;
          description "VTY shell disable.";
        }
        enum "true" {
          value 1;
          description "VTY shell enable.";
        }
      }
      description
        "VTY and TTY boolean type.";
    }

    container tty {
      description "TTY Component.";
      container console {
        description
          "Configure Console configuration container.";
        leaf idle-time-out-min {
          type uint16 {
            range "1..1440";
          }
          units "min";
          default "5";
          description
            "To set the idle timeout minute.";
        }

        leaf idle-time-out-sec {
          type uint16 {
            range "0..59";
          }
          units "s";
          default "0";
          description
            "To set the idle timeout seconds.";
        }

        leaf auth-mode {
          type tty-authmode-type;
          default "init";
          description
            "Sets the authentication mode.";
        }

        leaf auth-password {
          when "../auth-mode='password'";
          type pub-type:password {
            length "8..128";
          }
          description
            "Authentication Password.";
        }

        leaf privilege-level {
          type uint8 {
            range "0..15";
          }
          default "3";
          description
            "To set the privilege level.";
        }

        leaf history-cmd-size {
          type uint16 {
            range "0..256";
          }
          default "10";
          description
            "History command buffer size. Describes the number of commands will be stored in history.";
        }

        leaf screen-length {
          type uint16 {
            range "0..512";
          }
          default "24";
          description
            "Sets the screen length.";
        }

        leaf shell-enable {
          type tty-bool-type;
          default "true";
          config false;
          description
            "Whether to enable the shell function.";
        }

        leaf speed {
          type uint64 {
            range
              "300 | 600 | 1200 | 2400 | 4800 | 9600 | 19200 | 38400 | 57600 | 115200";
          }
          units "bit/s";
          default "9600";
          description
            "Speed for the TTY device. Supported speeds are 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200.";
        }

        leaf flow-control {
          type tty-flwcntrl-type;
          default "none";
          description
            "To set the flow control of the TTY device.";
        }

        leaf stop-bits {
          type tty-stop-bits-type;
          default "1";
          description
            "To set the stop bits of the TTY devices.";
        }

        leaf data-bits {
          type tty-data-bits-type;
          default "8";
          description
            "Set the databits of the TTY devices.";
        }

        leaf parity {
          type tty-parity-type;
          default "none";
          description
            "Parity of the TTY devices.";
        }

        leaf shutdown-enble {
          type tty-bool-type;
          default "false";
          description
            "Shutdown the specified user-interface.";
        }
      }  // container console

      container aux {
        description
          "Configure AUX configuration container.";
        leaf idle-time-out-min {
          type uint16 {
            range "1..1440";
          }
          units "min";
          default "5";
          description
            "To set the idle timeout minute.";
        }

        leaf idle-time-out-sec {
          type uint16 {
            range "0..59";
          }
          units "s";
          default "0";
          description
            "To set the idle timeout seconds.";
        }

        leaf auth-mode {
          type tty-authmode-type;
          default "init";
          description
            "Sets the authentication mode.";
        }

        leaf auth-password {
          when "../auth-mode='password'";
          type pub-type:password {
            length "8..128";
          }
          description
            "Authentication Password.";
        }

        leaf privilege-level {
          type uint8 {
            range "0..15";
          }
          default "0";
          description
            "To set the privilege level.";
        }

        leaf history-cmd-size {
          type uint16 {
            range "0..256";
          }
          default "10";
          description
            "History command buffer size. Describes the number of commands will be stored in history.";
        }

        leaf screen-length {
          type uint16 {
            range "0..512";
          }
          default "24";
          description
            "Sets the screen length.";
        }

        leaf shell-enable {
          type tty-bool-type;
          default "true";
          description
            "Whether to enable the shell function.";
        }

        leaf speed {
          type uint64 {
            range
              "300 | 600 | 1200 | 2400 | 4800 | 9600 | 19200 | 38400 | 57600 | 115200";
          }
          units "bit/s";
          default "9600";
          description
            "Speed for the TTY device. Supported speeds are 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200.";
        }

        leaf flow-control {
          type tty-flwcntrl-type;
          default "none";
          description
            "To set the flow control of the TTY device.";
        }

        leaf stop-bits {
          type tty-stop-bits-type;
          default "1";
          description
            "To set the stop bits of the TTY devices.";
        }

        leaf data-bits {
          type tty-data-bits-type;
          default "8";
          description
            "Set the databits of the TTY devices.";
        }

        leaf parity {
          type tty-parity-type;
          default "none";
          description
            "Parity of the TTY devices.";
        }

        leaf acl4-outbound {
          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
            "Acl outbound name or number for IPv4 protocol.";
        }

        leaf acl6-outbound {
          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
            "Acl outbound name or number for IPv6 protocol.";
        }

        leaf acl4-outbound-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
            "Acl outbound number for IPv4 protocol.";
        }

        leaf acl6-outbound-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
            "Acl outbound number for IPv6 protocol.";
        }
      }  // container aux

      container user-interfaces {
        config false;
        description
          "List of Terminal user interfaces.";
        list user-interface {
          key "line-index";
          config false;
          max-elements 165;
          description
            "Operational state of Terminal user interface status and configuration information.";
          leaf line-index {
            type uint32 {
              range "0..164";
            }
            config false;
            description
              "Absolute index of UIs.";
          }

          leaf line-type {
            ext:support-filter "true";
            type tty-caml-line-type;
            config false;
            description
              "Type and relative index of UIs.";
          }

          leaf relative-index {
            ext:support-filter "true";
            type uint32;
            config false;
            description
              "Relative index for the line type.";
          }

          leaf privileage {
            ext:support-filter "true";
            type uint32;
            config false;
            description
              "The privilege of UIs.";
          }

          leaf modem-status {
            ext:support-filter "true";
            type string {
              length "0..8";
            }
            config false;
            description
              "Status of the modem connected.";
          }

          leaf location {
            ext:support-filter "true";
            type string {
              length "0..32";
            }
            config false;
            description
              "The physical location of UIs.";
          }

          leaf speed {
            ext:support-filter "true";
            type string {
              length "0..7";
            }
            config false;
            description
              "Speed of the interface terminal.";
          }

          leaf connect-status {
            ext:support-filter "true";
            type tty-caml-connstate;
            config false;
            description
              "Current UI is active.";
          }

          leaf auth-mode {
            ext:support-filter "true";
            type tty-authmode-type;
            config false;
            description
              "The authentication mode of UIs.";
          }

          leaf actual-privileage {
            ext:support-filter "true";
            type string {
              length "0..5";
            }
            config false;
            description
              "The actual privilege of user-interface.";
          }
        }  // list user-interface
      }  // container user-interfaces
    }  // container tty
  }  // module huawei-tty