module tailf-netconf-monitoring {

    yang-version 1;

    namespace
      "http://tail-f.com/yang/netconf-monitoring";

    prefix tncm;

    import ietf-yang-types {
      prefix yang;
    }
    import ietf-netconf-monitoring {
      prefix ncm;
    }
    import tailf-common {
      prefix tailf;
    }

    organization "Tail-f Systems";

    description
      "This module augments ietf-netconf-monitoring with extra
     monitoring data.

     Copyright 2019 Cisco Systems, Inc.
     All rights reserved.
     Permission is hereby granted to redistribute this file without
     modification.";

    revision "2019-03-28" {
      description
        "Released as part of ConfD-6.5.10.

       Added /netconf-state/sessions/session/transaction.";
    }

    revision "2016-11-24" {
      description
        "Released as part of ConfD-6.3.

       Added /netconf-state/datastores/datastore/transaction-lock.";
    }

    revision "2014-11-13" {
      description
        "Released as part of ConfD-5.3.

       Added the identity cli-tcp.";
    }

    revision "2014-08-29" {
      description
        "Released as part of ConfD-5.2.1.

       Added /netconf-state/streams.";
    }

    revision "2012-06-14" {
      description
        "Released as part of ConfD-4.0.

       Fixed a syntax error in a 'when' expression.";
    }

    revision "2012-03-08" {
      description
        "Released as part of ConfD-3.9.

       Added the identities rest-http and rest-https.";
    }

    revision "2011-09-22" {
      description
        "Released as part of ConfD-3.7.

       Added 'transaction-id' leaf.";
    }

    revision "2010-11-04" {
      description
        "Initial revision.

       Released as part of ConfD-3.4.";
    }

    tailf:annotate "/ncm:netconf-state/tncm:files" {
      tailf:annotate "*" {
        tailf:cli-suppress-show-path;
      }
    }

    identity cli-console {
      base ncm:transport;
      description "CLI on the console.";
    }

    identity cli-ssh {
      base ncm:transport;
      description "CLI over SSH.";
    }

    identity cli-tcp {
      base ncm:transport;
      description "CLI over TCP.";
    }

    identity webui-http {
      base ncm:transport;
      description "WebUI over HTTP.";
    }

    identity webui-https {
      base ncm:transport;
      description "WebUI over HTTPS.";
    }

    identity netconf-tcp {
      base ncm:transport;
      description "NETCONF over TCP.";
    }

    identity snmp-udp {
      base ncm:transport;
      description "SNMP over UDP.";
    }

    identity rest-http {
      base ncm:transport;
      description "REST over HTTP.";
    }

    identity rest-https {
      base ncm:transport;
      description "REST over HTTPS.";
    }

    augment /ncm:netconf-state {
      container files {
        tailf:info "files available on the NETCONF server";
        config false;
        description
          "A list of files available on the server as a 'file' url source
         parameter.";
        list file {
          key "name";
          leaf name {
            type string;
            description
              "The filename is an absolute path to the file, i.e. it
             always starts with a '/'.";
          }

          leaf creator {
            type string;
            description
              "The name of the user that created the file.  If this
             element is not present, the info is not known to the
             server.";
          }

          leaf created {
            type yang:date-and-time;
            description
              "The time the file was created.  If this element is not
             present, the info is not known to the server.";
          }

          leaf context {
            type union {
              type enumeration {
                enum "cli" {
                  value 0;
                }
                enum "netconf" {
                  value 1;
                }
                enum "webui" {
                  value 2;
                }
              }
              type string;
            }
            description
              "The context used when the file was created.  If this
             element is not present, the info is not known to the
             serber.";
          }
        }  // list file
      }  // container files
    }

    augment /ncm:netconf-state/ncm:datastores/ncm:datastore {
      when "ncm:name = 'running'";
      leaf transaction-id {
        type string;
        description
          "An opaque string that uniquely identifies the last
         transaction towards the datastore.

         A client can use this to detect if the datastore is
         modified.";
      }
    }

    augment /ncm:netconf-state/ncm:datastores/ncm:datastore/ncm:locks {
      when "../ncm:name = 'running'";
      container transaction-lock {
        presence
          "Present if the (implicit) transaction lock is set";
        description
          "This container is set if a transaction is executing a
         'validate' or 'commit' operation.";
        leaf locked-by-session {
          type uint32;
          mandatory true;
          description
            "The session ID of the session that started the transaction
           that has the transaction lock.";
        }
      }  // container transaction-lock
    }

    augment /ncm:netconf-state {
      container streams {
        description
          "This container contains exactly the same data as is
         defined in RFC 5277 in XSD.  This structure makes the data
         available in YANG, and thus available for non-NETCONF access,
         and for augmentation.";
        list stream {
          key "name";
          leaf name {
            type string;
          }

          leaf description {
            type string;
            mandatory true;
          }

          leaf replay-support {
            type boolean;
            mandatory true;
          }

          leaf replay-log-creation-time {
            type yang:date-and-time;
            mandatory true;
          }

          leaf replay-log-aged-time {
            type yang:date-and-time;
          }
        }  // list stream
      }  // container streams
    }

    augment /ncm:netconf-state/tncm:streams/tncm:stream {
      list subscriber {
        key "session-id";
        description
          "Sessions that currently subscribe to this stream.";
        leaf session-id {
          type uint32;
        }

        leaf start-time {
          type yang:date-and-time;
          mandatory true;
          description
            "The time the session started to subscribe to this stream.";
        }

        leaf stop-time {
          type yang:date-and-time;
          description
            "Contains the stop time the session used to subscribe to this
           stream.  If no stop time was given, this leaf is not present.";
        }
      }  // list subscriber
    }

    augment /ncm:netconf-state/ncm:sessions/ncm:session {
      list transaction {
        key "id";
        description
          "List of transactions bind to user session.";
        leaf id {
          type uint32;
          description
            "The transaction id of a transaction.";
        }

        leaf db {
          type enumeration {
            enum "none" {
              value 0;
            }
            enum "running" {
              value 1;
            }
            enum "candidate" {
              value 2;
            }
            enum "startup" {
              value 3;
            }
            enum "operational" {
              value 4;
            }
          }
          description
            "The database of transaction.";
        }

        leaf mode {
          type enumeration {
            enum "read" {
              value 0;
            }
            enum "read_write" {
              value 1;
            }
          }
          description
            "The mode of transaction.";
        }

        leaf config-mode {
          type enumeration {
            enum "exclusive" {
              value 0;
            }
            enum "private" {
              value 1;
            }
            enum "shared" {
              value 2;
            }
          }
          description
            "The config mode of transaction.";
        }
      }  // list transaction
    }
  }  // module tailf-netconf-monitoring