module yumaworks-sesmgr {

    yang-version 1.1;

    namespace
      "http://yumaworks.com/ns/yumaworks-sesmgr";

    prefix ysmgr;

    import ietf-yang-types {
      prefix yang;
    }
    import ietf-inet-types {
      prefix inet;
    }
    import yuma-ncx {
      prefix ncx;
    }
    import yuma-types {
      prefix nt;
    }
    import yuma-app-common {
      prefix appcmn;
    }
    import yumaworks-app-common {
      prefix ywapp;
    }
    import yumaworks-types {
      prefix ywt;
    }

    organization "YumaWorks, Inc.";

    contact
      "Support <support at yumaworks.com>";

    description
      "yp-controller session manager

     Copyright (c) 2018 YumaWorks, Inc. All rights reserved.

     Redistribution and use in source and binary forms, with or
     without modification, is permitted pursuant to, and subject
     to the license terms contained in, the BSD 3-Clause License
     http://opensource.org/licenses/BSD-3-Clause.
    ";

    revision "2018-04-28" {
      description "Initial version";
    }


    typedef sesmgr-device-ref {
      type leafref {
        path "/ysmgr:sesmgr/ysmgr:devices/ysmgr:device/ysmgr:name";
      }
    }

    typedef sesmgr-user-ref {
      type leafref {
        path "/ysmgr:sesmgr/ysmgr:users/ysmgr:user/ysmgr:name";
      }
    }

    typedef sesmgr-session-ref {
      type leafref {
        path "/ysmgr:sesmgr/ysmgr:sessions/ysmgr:session/ysmgr:name";
      }
    }

    grouping device-cmn {
      description
        "one device endpoint configuration contents";
      leaf server {
        type inet:host;
        mandatory true;
        description
          "IP address or DNS name of the NETCONF server target.";
      }

      leaf port {
        type inet:port-number;
        description
          "NETCONF over SSH port number to use.";
      }

      leaf rc-entry-point {
        type string;
        description
          "RESTCONF entry point. Use this string instead of
           retrieving the XRD from the RESTCONF server to
           discover the entry point.";
      }

      uses appcmn:ProtocolsParm;

      leaf transport {
        type ywt:transport-type;
        description
          "transport protocol to use";
      }
    }  // grouping device-cmn

    grouping session-cmn {
      leaf name {
        type nt:NcxName;
        description
          "The name of the saved session.";
      }

      leaf user-ref {
        type sesmgr-user-ref;
        mandatory true;
        description
          "The user to use for this session";
      }
    }  // grouping session-cmn

    grouping session-state {
      container state {
        config false;
        leaf connected {
          type boolean;
          description
            "Indicates if session currently connected";
        }

        leaf connect-time {
          type yang:date-and-time;
          description
            "Date and time the session connected.";
        }

        container counters {
          leaf out-rpcs {
            type yang:zero-based-counter32;
            description
              "Number of <rpc> messages sent.";
          }

          leaf in-rpc-errors {
            type yang:zero-based-counter32;
            description
              "Number of <rpc-reply> messages received
               that contained an <rpc-error>";
          }

          leaf in-notifications {
            type yang:zero-based-counter32;
            description
              "Number of <notification> messages received.";
          }

          leaf in-octets {
            type yang:zero-based-counter32;
            description
              "Number of octets received by netconfd-pro
               for this session.";
          }

          leaf out-octets {
            type yang:zero-based-counter32;
            description
              "Number of octets sent by netconfd-pro
               for this session.";
          }
        }  // container counters
      }  // container state
    }  // grouping session-state

    container sesmgr {
      ncx:sil-delete-children-first;
      description
        "yp-controller session management configuration";
      container devices {
        ncx:sil-delete-children-first;
        description
          "yp-controller device configuration";
        list device {
          key "name";
          description
            "one device endpoint configuration";
          leaf name {
            type nt:NcxName;
            description
              "The name of the saved device.";
          }

          uses device-cmn;
        }  // list device
      }  // container devices

      container users {
        ncx:sil-delete-children-first;
        description
          "yp-controller user configuration";
        list user {
          key "name";
          description
            "one user configuration";
          leaf name {
            type nt:NcxName;
            description
              "The name of the saved user.";
          }

          leaf user {
            type nt:NcxName;
            mandatory true;
            description
              "The user name of the session.";
          }

          choice pass {
            mandatory true;
            leaf password {
              ncx:password;
              type string;
              description
                "User password to use for NETCONF users.
                 If none, then user will be prompted before connecting.";
            }
            leaf no-password {
              type empty;
            }
          }  // choice pass

          uses ywapp:SshKeyParms;

          uses ywapp:SslKeyParms;

          leaf-list admin-group {
            type nt:NcxName;
            description
              "The name of an allowed admin group for the saved user.";
          }
        }  // list user
      }  // container users

      container sessions {
        ncx:sil-delete-children-first;
        description
          "yp-controller session configuration";
        list session {
          key "name";
          description
            "one session configuration";
          uses session-cmn;

          leaf device-ref {
            type sesmgr-device-ref;
            mandatory true;
            description
              "The device to use for this session";
          }

          uses session-state;
        }  // list session

        list callhome-session {
          key "name";
          config false;
          description
            "one callhome session added by sesmgr";
          uses session-cmn;

          container device {
            uses device-cmn;
          }  // container device

          uses session-state;
        }  // list callhome-session
      }  // container sessions
    }  // container sesmgr
  }  // module yumaworks-sesmgr