submodule ietf-snmp-common {

  belongs-to ietf-snmp {
    prefix snmp;
  }

  import ietf-yang-types {
    prefix yang;
  }

  organization
    "IETF NETMOD (NETCONF Data Modeling Language) Working Group";

  contact
    "WG Web:   <http://tools.ietf.org/wg/netmod/>
     WG List:  <mailto:netmod@ietf.org>
     WG Chair: Thomas Nadeau
               <mailto:tnadeau@lucidvision.com>

     WG Chair: Juergen Schoenwaelder
               <mailto:j.schoenwaelder@jacobs-university.de>

     Editor:   Martin Bjorklund
               <mailto:mbj@tail-f.com>

     Editor:   Juergen Schoenwaelder
               <mailto:j.schoenwaelder@jacobs-university.de>";

  description
    "This submodule contains a collection of common YANG definitions
     for configuring SNMP engines.

     Copyright (c) 2014 IETF Trust 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 contained in, the Simplified BSD License
     set forth in Section 4.c of the IETF Trust's Legal Provisions
     Relating to IETF Documents
     (http://trustee.ietf.org/license-info).

     This version of this YANG module is part of RFC 7407; see
     the RFC itself for full legal notices.";

  revision 2014-12-10 {
    description
      "Initial revision.";
    reference
      "RFC 7407: A YANG Data Model for SNMP Configuration";
  }

  /* Collection of SNMP-specific data types */

  typedef admin-string {
    type string {
      length "0..255";
    }
    description
      "Represents SnmpAdminString as defined in RFC 3411.

      Note that the size of an SnmpAdminString is measured in
      octets, not characters.";

    reference
      "RFC 3411: An Architecture for Describing Simple Network
         Management Protocol (SNMP) Management Frameworks.
         SNMP-FRAMEWORK-MIB.SnmpAdminString";
  }

  typedef identifier {
    type admin-string {
      length "1..32";
    }
    description
      "Identifiers are used to name items in the SNMP configuration
      datastore.";
  }

  typedef context-name {
    type admin-string {
      length "0..32";
    }
    description
      "The context type represents an SNMP context name.";
    reference
      "RFC 3411: An Architecture for Describing Simple Network
         Management Protocol (SNMP) Management Frameworks";
  }

  typedef security-name {
    type admin-string {
      length "1..32";
    }
    description
      "The security-name type represents an SNMP security name.";
    reference
      "RFC 3411: An Architecture for Describing Simple Network
         Management Protocol (SNMP) Management Frameworks";
  }

  typedef security-model {
    type union {
      type enumeration {
        enum v1  { value 1; }
        enum v2c { value 2; }
        enum usm { value 3; }
        enum tsm { value 4; }
      }
      type int32 {
        range "1..2147483647";
      }
    }
    reference
      "RFC 3411: An Architecture for Describing Simple Network
         Management Protocol (SNMP) Management Frameworks";
  }

  typedef security-model-or-any {
    type union {
      type enumeration {
        enum any { value 0; }
      }
      type security-model;
    }
    reference
      "RFC 3411: An Architecture for Describing Simple Network
         Management Protocol (SNMP) Management Frameworks";
  }

  typedef security-level {
    type enumeration {
      enum no-auth-no-priv { value 1; }
      enum auth-no-priv    { value 2; }
      enum auth-priv       { value 3; }
    }
    reference
      "RFC 3411: An Architecture for Describing Simple Network
         Management Protocol (SNMP) Management Frameworks";
  }

  typedef engine-id {
    type yang:hex-string {
      pattern '([0-9a-fA-F]){2}(:([0-9a-fA-F]){2}){4,31}';
    }
    description
      "The engine ID specified as a list of colon-specified
      hexadecimal octets, e.g., '80:00:02:b8:04:61:62:63'.";
    reference
      "RFC 3411: An Architecture for Describing Simple Network
         Management Protocol (SNMP) Management Frameworks";
  }

  typedef wildcard-object-identifier {
    type string;
    description
      "The wildcard-object-identifier type represents an SNMP object
      identifier where subidentifiers can be given either as a label,
      in numeric form, or a wildcard, represented by an asterisk
      ('*').";
  }

  typedef tag-value {
    type string {
      length "0..255";
    }
    description
      "Represents SnmpTagValue as defined in RFC 3413.

      Note that the size of an SnmpTagValue is measured in
      octets, not characters.";
    reference
      "RFC 3413: Simple Network Management Protocol (SNMP)
         Applications.
         SNMP-TARGET-MIB.SnmpTagValue";
  }

  container snmp {
    description
      "Top-level container for SNMP-related configuration and
      status objects.";
  }

}