module Cisco-IOS-XR-tty-server-oper {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-tty-server-oper";

    prefix tty-server-oper;

    import Cisco-IOS-XR-types {
      prefix xr;
    }
    import cisco-semver {
      prefix semver;
    }
    import Cisco-IOS-XR-tty-management-datatypes {
      prefix dt1;
    }

    include Cisco-IOS-XR-tty-server-oper-sub5 {
      revision-date "2019-04-05";
    }
    include Cisco-IOS-XR-tty-server-oper-sub4 {
      revision-date "2019-04-05";
    }
    include Cisco-IOS-XR-tty-server-oper-sub3 {
      revision-date "2019-04-05";
    }
    include Cisco-IOS-XR-tty-server-oper-sub2 {
      revision-date "2019-04-05";
    }
    include Cisco-IOS-XR-tty-server-oper-sub1 {
      revision-date "2019-04-05";
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
Customer Service

Postal: 170 West Tasman Drive
San Jose, CA 95134

Tel: +1 800 553-NETS

E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
for Cisco IOS-XR tty-server package operational data.

This module contains definitions
for the following management objects:
  tty: TTY Line Configuration

Copyright (c) 2013-2019 by Cisco Systems, Inc.
All rights reserved.";

    revision "2019-04-05" {
      description
        "Establish semantic version baseline.";
    }

    revision "2019-02-25" {
      description
        "Fixed unconstrained data type issues";
    }

    revision "2017-09-07" {
      description
        "Fixed type translation error.";
    }

    revision "2015-07-30" {
      description "Descriptions updated.";
    }

    revision "2015-01-07" {
      description "IOS XR 5.3.1 revision.";
    }

    semver:module-version "1.0.0";

    typedef Line-state {
      type enumeration {
        enum "none" {
          value 0;
          description "Line not connected";
        }
        enum "registered" {
          value 1;
          description "Line registered";
        }
        enum "in-use" {
          value 2;
          description
            "Line active and in use";
        }
      }
      description "Line state";
    }

    typedef Session-operation {
      type enumeration {
        enum "none" {
          value 0;
          description
            "No sessions on the line";
        }
        enum "setup" {
          value 1;
          description
            "Session getting set up";
        }
        enum "shell" {
          value 2;
          description
            "Session active with a shell";
        }
        enum "transitioning" {
          value 3;
          description
            "Session in transitioning phase";
        }
        enum "packet" {
          value 4;
          description
            "Session ready to receive packets";
        }
      }
      description "Session operation";
    }

    grouping STATE {
      description
        "Common node of console-line, vty-line,
auxiliary-line";
      container state {
        description "Line state information";
        container template {
          description
            "Information related to template applied to the
line";
          leaf name {
            type xr:Cisco-ios-xr-string {
              length "1..990";
            }
            description
              "Name of the template";
          }
        }  // container template

        container general {
          description "General information";
          leaf operation {
            type Session-operation;
            description
              "application running of on the tty line";
          }

          leaf general-state {
            type Line-state;
            description "State of the line";
          }
        }  // container general
      }  // container state
    }  // grouping STATE

    grouping GENERAL-STATISTICS {
      description
        "Common node of console-statistics, vty-statistics
, auxiliary-statistics";
      container general-statistics {
        description
          "General statistics of line";
        uses TTY-GENERAL-STATS;
      }  // container general-statistics
    }  // grouping GENERAL-STATISTICS

    grouping AAA {
      description
        "Common node of console-statistics, vty-statistics
, auxiliary-statistics";
      container aaa {
        description "AAA related statistics";
        uses TTY-AAA-STATS;
      }  // container aaa
    }  // grouping AAA

    grouping RS232 {
      description
        "Common node of console-statistics,
auxiliary-statistics";
      container rs232 {
        description
          "RS232 statistics of console line";
        uses TTY-RS232-STATS;
      }  // container rs232
    }  // grouping RS232

    grouping EXEC {
      description
        "Common node of console-statistics, vty-statistics
, auxiliary-statistics";
      container exec {
        description
          "Exec related statistics";
        uses TTY-EXEC-PROP-STATS;
      }  // container exec
    }  // grouping EXEC

    grouping CONFIGURATION {
      description
        "Common node of console-line, vty-line,
auxiliary-line";
      container configuration {
        description
          "Configuration information of the line";
        container connection-configuration {
          description
            "Conection configuration information";
          container transport-input {
            description
              "Protocols to use when connecting to the
terminal server";
            leaf select {
              type dt1:Tty-transport-protocol-select;
              default "all";
              description
                "Choose transport protocols";
            }

            leaf protocol1 {
              when "../select = 'some'" {
                description
                  "../Select = Some";
              }
              type dt1:Tty-transport-protocol;
              description
                "Transport protocol1";
            }

            leaf protocol2 {
              when "../select = 'some'" {
                description
                  "../Select = Some";
              }
              type dt1:Tty-transport-protocol;
              description
                "Transport protocol2";
            }

            leaf none {
              type uint32 {
                range "0..4294967295";
              }
              description "Not used";
            }
          }  // container transport-input

          leaf acl-out {
            type xr:Cisco-ios-xr-string {
              length "1..64";
            }
            description
              "ACL for outbound traffic";
          }

          leaf acl-in {
            type xr:Cisco-ios-xr-string {
              length "1..64";
            }
            description
              "ACL for inbound traffic";
          }
        }  // container connection-configuration
      }  // container configuration
    }  // grouping CONFIGURATION

    container tty {
      config false;
      description "TTY Line Configuration";
      container console-nodes {
        description
          "List of Nodes for console";
        list console-node {
          key "id";
          description
            "Console line configuration on a node";
          container console-line {
            description
              "Details about console line";
            container console-statistics {
              description
                "Statistics of the console line";
              uses RS232;

              uses GENERAL-STATISTICS;

              uses EXEC;

              uses AAA;
            }  // container console-statistics

            uses STATE;

            uses CONFIGURATION;
          }  // container console-line

          leaf id {
            type xr:Node-id;
            description "Node ID";
          }
        }  // list console-node
      }  // container console-nodes

      container vty-lines {
        description "List of VTY lines";
        list vty-line {
          key "line-number";
          description "VTY Line";
          container vty-statistics {
            description
              "Statistics of the VTY line";
            container connection {
              description
                "Connection related statistics";
              uses TTY-CONNECTION-STATS;
            }  // container connection

            uses GENERAL-STATISTICS;

            uses EXEC;

            uses AAA;
          }  // container vty-statistics

          leaf line-number {
            type uint32 {
              range "0..4294967295";
            }
            description "VTY Line number";
          }

          uses STATE;

          uses CONFIGURATION;
        }  // list vty-line
      }  // container vty-lines

      container auxiliary-nodes {
        description
          "List of Nodes attached with an auxiliary line";
        list auxiliary-node {
          key "id";
          description
            "Line configuration on a node";
          container auxiliary-line {
            description
              "Details about auxiliary line";
            container auxiliary-statistics {
              description
                "Statistics of the auxiliary line";
              uses RS232;

              uses GENERAL-STATISTICS;

              uses EXEC;

              uses AAA;
            }  // container auxiliary-statistics

            uses STATE;

            uses CONFIGURATION;
          }  // container auxiliary-line

          leaf id {
            type xr:Node-id;
            description "Node ID";
          }
        }  // list auxiliary-node
      }  // container auxiliary-nodes
    }  // container tty
  }  // module Cisco-IOS-XR-tty-server-oper