module org-openroadm-otn-common {
  namespace "http://org/openroadm/otn-common";
  prefix org-openroadm-otn-common;

  import org-openroadm-resource-types {
    prefix org-openroadm-resource-types;
    revision-date 2019-11-29;
  }
  import org-openroadm-otn-common-types {
    prefix org-openroadm-otn-common-types;
    revision-date 2020-03-27;
  }
  import org-openroadm-common-attributes {
    prefix org-openroadm-common-attributes;
    revision-date 2020-03-27;
  }

  organization
    "Open ROADM MSA";
  contact
    "OpenROADM.org";
  description
    "YANG definitions for common OTN interface attributes and types.

     Copyright of the Members of the Open ROADM MSA Agreement dated (c) 2016,
     All other rights reserved.

     Redistribution and use in source and binary forms, with or without modification,
     are permitted provided that the following conditions are met:

     * Redistributions of source code must retain the above copyright notice, this
       list of conditions and the following disclaimer.
     * Redistributions in binary form must reproduce the above copyright notice,
       this list of conditions and the following disclaimer in the documentation and/or
       other materials provided with the distribution.
     * Neither the Members of the Open ROADM MSA Agreement nor the names of its
       contributors may be used to endorse or promote products derived from this software
       without specific prior written permission.

     THIS SOFTWARE IS PROVIDED BY THE MEMBERS OF THE OPEN ROADM MSA  AGREEMENT ''AS IS''
     AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     IN NO EVENT THE MEMBERS OF THE OPEN ROADM MSA  AGREEMENT BE LIABLE FOR ANY DIRECT,
     INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;  LOSS OF USE, DATA,
     OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     POSSIBILITY OF SUCH DAMAGE.

     Also contains code components extracted from IETF Interfaces.  These code components
     are copyrighted and licensed as follows:

     Copyright (c) 2016 IETF Trust and the persons identified as the document authors.
     All rights reserved.

     This document is subject to BCP 78 and the IETF Trust’s Legal Provisions Relating
     to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of
     publication of this document. Please review these documents carefully, as they
     describe your rights and restrictions with respect to this document. Code Components
     extracted from this document must include Simplified BSD License text as described in
     Section 4.e of the Trust Legal Provisions and are provided without warranty as
     described in the Simplified BSD License.";

  revision 2020-03-27 {
    description
      "Version 7.0.0";
  }
  revision 2019-11-29 {
    description
      "Version 6.1.0";
  }
  revision 2019-09-27 {
    description
      "Version 6.0.0";
  }
  revision 2018-11-30 {
    description
      "Version 4.1.0";
  }
  revision 2018-09-28 {
    description
      "Version 4.0";
  }
  revision 2017-06-26 {
    description
      "Version 2.0";
  }

  typedef otn-interface-enum {
    type enumeration {
      enum otu {
        value 1;
        description
          "OTU enumeration";
      }
      enum odu-path {
        value 2;
        description
          "ODU Path enumeration";
      }
      enum odu-tcm {
        value 3;
        description
          "ODU TCM enumeration";
      }
    }
    description
      "Enumeration type for otn interface";
  }

  grouping trail-trace-state {
    description
      "Trail trace state grouping";
    leaf accepted-sapi {
      type string;
      config false;
      description
        "The accepted SAPI recovered from the received multi-frame TTI field.
         Received SAPI contains the receive data, minus the sapi[0] and any 0x00 padding at the end";
    }
    leaf accepted-dapi {
      type string;
      config false;
      description
        "The accepted DAPI recovered from the received multi-frame TTI field
         Received DAPI contains the receive data, minus the dapi[0] and any 0x00 padding at the end";
    }
    leaf accepted-operator {
      type string;
      config false;
      description
        "The accepted Operator Specific field recovered from the received multi-frame TTI field";
    }
  }

  grouping trail-trace {
    description
      "Trail trace grouping";
    uses org-openroadm-common-attributes:trail-trace-tx;
    uses trail-trace-state;
    uses org-openroadm-common-attributes:trail-trace-other;
  }

  notification otn-tti-info-change {
    description
      "Notification for OTN TTI";
    leaf resource-type {
      type org-openroadm-resource-types:resource-type-enum;
      mandatory true;
      description
        "Resource type for OTN TTI";
    }
    leaf resource {
      type string;
      mandatory true;
      description
        "Resource for OTN TTI";
    }
    leaf otn-interface-type {
      type otn-interface-enum;
      mandatory true;
      description
        "OTN interface type for TTI";
    }
    leaf otn-interface-tcm-layer {
      when "../otn-interface-type='odu-tcm'";
      type uint8;
      description
        "TCM layer for OTN TTI";
    }
    leaf otn-interface-tcm-direction {
      when "../otn-interface-type='odu-tcm'";
      type org-openroadm-otn-common-types:tcm-direction-enum;
      description
        "TCM direction for OTN TTI";
    }
    container tti-info {
      description
        "Container for TTI info";
      leaf accepted-sapi {
        type string;
        description
          "Accepted SAPI for TTI";
      }
      leaf accepted-dapi {
        type string;
        description
          "Accepted DAPI for TTI";
      }
      leaf accepted-operator {
        type string;
        description
          "Accepted operator for TTI";
      }
    }
  }
}