module xos-types {
  namespace "urn:ietf:params:xml:ns:yang:xos-types";
  prefix xtype;
  yang-version 1.1;

  import ietf-yang-types { prefix yang; }
  import ietf-inet-types { prefix inet; }
  
  organization
   "Open Networking Lab (CORD) / Corenova Technologies";

  contact
    "Larry Peterson <llp@onlab.us>
     Peter K. Lee <peter@corenova.com>";
  
  description
   "This module contains a collection of common models and types for XOS.

    Copyright (c) 2016 ON.LAB and the persons identified as authors of
    the code.  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 of the Apache License, Version 2.0 which accompanies this
    distribution, and is available at
    (http://www.apache.org/licenses/LICENSE-2.0).";
  
  revision 2016-09-12 {
    description "Initial revision.";
  }

  /*
   * Typedefs
   */
  typedef unique-identifier {
    description "defines valid formats for external reference id";
    type union {
      type uint32 { range 1..max; }
      type yang:uuid;
      type inet:uri;
    }
  }
  typedef flow-identifier {
    description "defines valid format for identifying a flow";
    type yang:uuid;
  }
  typedef network-identifier {
    description "defines valid format for identifying a network";
    type yang:uuid;
  }
  typedef mac-address {
    description "defines valid format for mac-address";
    type yang:mac-address;
  }
  typedef bandwidth {
    type uint32 {
      range 1000000..max; // should be at least 1 Mbps?  
    }
    units 'bps';
  }
  typedef vlan {
    type uint16 { range 0..4095; }
  }
  typedef isolation {
    type enumeration {
      enum vm     { description 'Virtual Machine'; }
      enum lxc    { description 'Container'; }
      enum hybrid { description 'Container in Virtual Machine'; }
    }
    default 'vm';
  }
  typedef access-role {
    type enumeration {
      enum admin;
      enum staff;
      enum user;
    }
    default 'user';
  }
  typedef certificate {
    description
      "Captures a security certificate, should be improved for better validation";
    type string {
      length 0..1024;
    }
  }
}