+++ /dev/null
-module ietf-yang-types {
-
- namespace "urn:ietf:params:xml:ns:yang: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: David Kessens
- <mailto:david.kessens@nsn.com>
-
- WG Chair: Juergen Schoenwaelder
- <mailto:j.schoenwaelder@jacobs-university.de>
-
- Editor: Juergen Schoenwaelder
- <mailto:j.schoenwaelder@jacobs-university.de>";
-
- description
- "This module contains a collection of generally useful derived
- YANG data types.
-
- Copyright (c) 2013 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 6991; see
- the RFC itself for full legal notices.";
-
- revision 2013-07-15 {
- description
- "This revision adds the following new data types:
- - yang-identifier
- - hex-string
- - uuid
- - dotted-quad";
- reference
- "RFC 6991: Common YANG Data Types";
- }
-
- revision 2010-09-24 {
- description
- "Initial revision.";
- reference
- "RFC 6021: Common YANG Data Types";
- }
-
- /*** collection of counter and gauge types ***/
-
- typedef counter32 {
- type uint32;
- description
- "The counter32 type represents a non-negative integer
- that monotonically increases until it reaches a
- maximum value of 2^32-1 (4294967295 decimal), when it
- wraps around and starts increasing again from zero.
-
- Counters have no defined 'initial' value, and thus, a
- single value of a counter has (in general) no information
- content. Discontinuities in the monotonically increasing
- value normally occur at re-initialization of the
- management system, and at other times as specified in the
- description of a schema node using this type. If such
- other times can occur, for example, the creation of
- a schema node of type counter32 at times other than
- re-initialization, then a corresponding schema node
- should be defined, with an appropriate type, to indicate
- the last discontinuity.
-
- The counter32 type should not be used for configuration
- schema nodes. A default statement SHOULD NOT be used in
- combination with the type counter32.
-
- In the value set and its semantics, this type is equivalent
- to the Counter32 type of the SMIv2.";
- reference
- "RFC 2578: Structure of Management Information Version 2
- (SMIv2)";
- }
-
- typedef zero-based-counter32 {
- type yang:counter32;
- default "0";
- description
- "The zero-based-counter32 type represents a counter32
- that has the defined 'initial' value zero.
-
- A schema node of this type will be set to zero (0) on creation
- and will thereafter increase monotonically until it reaches
- a maximum value of 2^32-1 (4294967295 decimal), when it
- wraps around and starts increasing again from zero.
-
- Provided that an application discovers a new schema node
- of this type within the minimum time to wrap, it can use the
- 'initial' value as a delta. It is important for a management
- station to be aware of this minimum time and the actual time
- between polls, and to discard data if the actual time is too
- long or there is no defined minimum time.
- In the value set and its semantics, this type is equivalent
- to the ZeroBasedCounter32 textual convention of the SMIv2.";
- reference
- "RFC 4502: Remote Network Monitoring Management Information
- Base Version 2";
- }
-
- typedef counter64 {
- type uint64;
- description
- "The counter64 type represents a non-negative integer
- that monotonically increases until it reaches a
- maximum value of 2^64-1 (18446744073709551615 decimal),
- when it wraps around and starts increasing again from zero.
-
- Counters have no defined 'initial' value, and thus, a
- single value of a counter has (in general) no information
- content. Discontinuities in the monotonically increasing
- value normally occur at re-initialization of the
- management system, and at other times as specified in the
- description of a schema node using this type. If such
- other times can occur, for example, the creation of
- a schema node of type counter64 at times other than
- re-initialization, then a corresponding schema node
- should be defined, with an appropriate type, to indicate
- the last discontinuity.
-
- The counter64 type should not be used for configuration
- schema nodes. A default statement SHOULD NOT be used in
- combination with the type counter64.
-
- In the value set and its semantics, this type is equivalent
- to the Counter64 type of the SMIv2.";
- reference
- "RFC 2578: Structure of Management Information Version 2
- (SMIv2)";
- }
-
- typedef zero-based-counter64 {
- type yang:counter64;
- default "0";
- description
- "The zero-based-counter64 type represents a counter64 that
- has the defined 'initial' value zero.
- A schema node of this type will be set to zero (0) on creation
- and will thereafter increase monotonically until it reaches
- a maximum value of 2^64-1 (18446744073709551615 decimal),
- when it wraps around and starts increasing again from zero.
-
- Provided that an application discovers a new schema node
- of this type within the minimum time to wrap, it can use the
- 'initial' value as a delta. It is important for a management
- station to be aware of this minimum time and the actual time
- between polls, and to discard data if the actual time is too
- long or there is no defined minimum time.
-
- In the value set and its semantics, this type is equivalent
- to the ZeroBasedCounter64 textual convention of the SMIv2.";
- reference
- "RFC 2856: Textual Conventions for Additional High Capacity
- Data Types";
- }
-
- typedef gauge32 {
- type uint32;
- description
- "The gauge32 type represents a non-negative integer, which
- may increase or decrease, but shall never exceed a maximum
- value, nor fall below a minimum value. The maximum value
- cannot be greater than 2^32-1 (4294967295 decimal), and
- the minimum value cannot be smaller than 0. The value of
- a gauge32 has its maximum value whenever the information
- being modeled is greater than or equal to its maximum
- value, and has its minimum value whenever the information
- being modeled is smaller than or equal to its minimum value.
- If the information being modeled subsequently decreases
- below (increases above) the maximum (minimum) value, the
- gauge32 also decreases (increases).
-
- In the value set and its semantics, this type is equivalent
- to the Gauge32 type of the SMIv2.";
- reference
- "RFC 2578: Structure of Management Information Version 2
- (SMIv2)";
- }
-
- typedef gauge64 {
- type uint64;
- description
- "The gauge64 type represents a non-negative integer, which
- may increase or decrease, but shall never exceed a maximum
- value, nor fall below a minimum value. The maximum value
- cannot be greater than 2^64-1 (18446744073709551615), and
- the minimum value cannot be smaller than 0. The value of
- a gauge64 has its maximum value whenever the information
- being modeled is greater than or equal to its maximum
- value, and has its minimum value whenever the information
- being modeled is smaller than or equal to its minimum value.
- If the information being modeled subsequently decreases
- below (increases above) the maximum (minimum) value, the
- gauge64 also decreases (increases).
-
- In the value set and its semantics, this type is equivalent
- to the CounterBasedGauge64 SMIv2 textual convention defined
- in RFC 2856";
- reference
- "RFC 2856: Textual Conventions for Additional High Capacity
- Data Types";
- }
-
- /*** collection of identifier-related types ***/
-
- typedef object-identifier {
- type string {
- pattern '(([0-1](\.[1-3]?[0-9]))|(2\.(0|([1-9]\d*))))'
- + '(\.(0|([1-9]\d*)))*';
- }
- description
- "The object-identifier type represents administratively
- assigned names in a registration-hierarchical-name tree.
-
- Values of this type are denoted as a sequence of numerical
- non-negative sub-identifier values. Each sub-identifier
- value MUST NOT exceed 2^32-1 (4294967295). Sub-identifiers
- are separated by single dots and without any intermediate
- whitespace.
-
- The ASN.1 standard restricts the value space of the first
- sub-identifier to 0, 1, or 2. Furthermore, the value space
- of the second sub-identifier is restricted to the range
- 0 to 39 if the first sub-identifier is 0 or 1. Finally,
- the ASN.1 standard requires that an object identifier
- has always at least two sub-identifiers. The pattern
- captures these restrictions.
-
- Although the number of sub-identifiers is not limited,
- module designers should realize that there may be
- implementations that stick with the SMIv2 limit of 128
- sub-identifiers.
- This type is a superset of the SMIv2 OBJECT IDENTIFIER type
- since it is not restricted to 128 sub-identifiers. Hence,
- this type SHOULD NOT be used to represent the SMIv2 OBJECT
- IDENTIFIER type; the object-identifier-128 type SHOULD be
- used instead.";
- reference
- "ISO9834-1: Information technology -- Open Systems
- Interconnection -- Procedures for the operation of OSI
- Registration Authorities: General procedures and top
- arcs of the ASN.1 Object Identifier tree";
- }
-
- typedef object-identifier-128 {
- type object-identifier {
- pattern '\d*(\.\d*){1,127}';
- }
- description
- "This type represents object-identifiers restricted to 128
- sub-identifiers.
-
- In the value set and its semantics, this type is equivalent
- to the OBJECT IDENTIFIER type of the SMIv2.";
- reference
- "RFC 2578: Structure of Management Information Version 2
- (SMIv2)";
- }
-
- typedef yang-identifier {
- type string {
- length "1..max";
- pattern '[a-zA-Z_][a-zA-Z0-9\-_.]*';
- pattern '.|..|[^xX].*|.[^mM].*|..[^lL].*';
- }
- description
- "A YANG identifier string as defined by the 'identifier'
- rule in Section 12 of RFC 6020. An identifier must
- start with an alphabetic character or an underscore
- followed by an arbitrary sequence of alphabetic or
- numeric characters, underscores, hyphens, or dots.
-
- A YANG identifier MUST NOT start with any possible
- combination of the lowercase or uppercase character
- sequence 'xml'.";
- reference
- "RFC 6020: YANG - A Data Modeling Language for the Network
- Configuration Protocol (NETCONF)";
- }
- /*** collection of types related to date and time***/
-
- typedef date-and-time {
- type string {
- pattern '\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?'
- + '(Z|[\+\-]\d{2}:\d{2})';
- }
- description
- "The date-and-time type is a profile of the ISO 8601
- standard for representation of dates and times using the
- Gregorian calendar. The profile is defined by the
- date-time production in Section 5.6 of RFC 3339.
-
- The date-and-time type is compatible with the dateTime XML
- schema type with the following notable exceptions:
-
- (a) The date-and-time type does not allow negative years.
-
- (b) The date-and-time time-offset -00:00 indicates an unknown
- time zone (see RFC 3339) while -00:00 and +00:00 and Z
- all represent the same time zone in dateTime.
-
- (c) The canonical format (see below) of data-and-time values
- differs from the canonical format used by the dateTime XML
- schema type, which requires all times to be in UTC using
- the time-offset 'Z'.
-
- This type is not equivalent to the DateAndTime textual
- convention of the SMIv2 since RFC 3339 uses a different
- separator between full-date and full-time and provides
- higher resolution of time-secfrac.
-
- The canonical format for date-and-time values with a known time
- zone uses a numeric time zone offset that is calculated using
- the device's configured known offset to UTC time. A change of
- the device's offset to UTC time will cause date-and-time values
- to change accordingly. Such changes might happen periodically
- in case a server follows automatically daylight saving time
- (DST) time zone offset changes. The canonical format for
- date-and-time values with an unknown time zone (usually
- referring to the notion of local time) uses the time-offset
- -00:00.";
- reference
- "RFC 3339: Date and Time on the Internet: Timestamps
- RFC 2579: Textual Conventions for SMIv2
- XSD-TYPES: XML Schema Part 2: Datatypes Second Edition";
- }
- typedef timeticks {
- type uint32;
- description
- "The timeticks type represents a non-negative integer that
- represents the time, modulo 2^32 (4294967296 decimal), in
- hundredths of a second between two epochs. When a schema
- node is defined that uses this type, the description of
- the schema node identifies both of the reference epochs.
-
- In the value set and its semantics, this type is equivalent
- to the TimeTicks type of the SMIv2.";
- reference
- "RFC 2578: Structure of Management Information Version 2
- (SMIv2)";
- }
-
- typedef timestamp {
- type yang:timeticks;
- description
- "The timestamp type represents the value of an associated
- timeticks schema node at which a specific occurrence
- happened. The specific occurrence must be defined in the
- description of any schema node defined using this type. When
- the specific occurrence occurred prior to the last time the
- associated timeticks attribute was zero, then the timestamp
- value is zero. Note that this requires all timestamp values
- to be reset to zero when the value of the associated timeticks
- attribute reaches 497+ days and wraps around to zero.
-
- The associated timeticks schema node must be specified
- in the description of any schema node using this type.
-
- In the value set and its semantics, this type is equivalent
- to the TimeStamp textual convention of the SMIv2.";
- reference
- "RFC 2579: Textual Conventions for SMIv2";
- }
-
- /*** collection of generic address types ***/
-
- typedef phys-address {
- type string {
- pattern '([0-9a-fA-F]{2}(:[0-9a-fA-F]{2})*)?';
- }
- description
- "Represents media- or physical-level addresses represented
- as a sequence octets, each octet represented by two hexadecimal
- numbers. Octets are separated by colons. The canonical
- representation uses lowercase characters.
-
- In the value set and its semantics, this type is equivalent
- to the PhysAddress textual convention of the SMIv2.";
- reference
- "RFC 2579: Textual Conventions for SMIv2";
- }
-
- typedef mac-address {
- type string {
- pattern '[0-9a-fA-F]{2}(:[0-9a-fA-F]{2}){5}';
- }
- description
- "The mac-address type represents an IEEE 802 MAC address.
- The canonical representation uses lowercase characters.
-
- In the value set and its semantics, this type is equivalent
- to the MacAddress textual convention of the SMIv2.";
- reference
- "IEEE 802: IEEE Standard for Local and Metropolitan Area
- Networks: Overview and Architecture
- RFC 2579: Textual Conventions for SMIv2";
- }
-
- /*** collection of XML-specific types ***/
-
- typedef xpath1.0 {
- type string;
- description
- "This type represents an XPATH 1.0 expression.
-
- When a schema node is defined that uses this type, the
- description of the schema node MUST specify the XPath
- context in which the XPath expression is evaluated.";
- reference
- "XPATH: XML Path Language (XPath) Version 1.0";
- }
-
- /*** collection of string types ***/
-
- typedef hex-string {
- type string {
- pattern '([0-9a-fA-F]{2}(:[0-9a-fA-F]{2})*)?';
- }
- description
- "A hexadecimal string with octets represented as hex digits
- separated by colons. The canonical representation uses
- lowercase characters.";
- }
-
- typedef uuid {
- type string {
- pattern '[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-'
- + '[0-9a-fA-F]{4}-[0-9a-fA-F]{12}';
- }
- description
- "A Universally Unique IDentifier in the string representation
- defined in RFC 4122. The canonical representation uses
- lowercase characters.
-
- The following is an example of a UUID in string representation:
- f81d4fae-7dec-11d0-a765-00a0c91e6bf6
- ";
- reference
- "RFC 4122: A Universally Unique IDentifier (UUID) URN
- Namespace";
- }
-
- typedef dotted-quad {
- type string {
- pattern
- '(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.){3}'
- + '([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])';
- }
- description
- "An unsigned 32-bit number expressed in the dotted-quad
- notation, i.e., four octets written as decimal numbers
- and separated with the '.' (full stop) character.";
- }
- }
\ No newline at end of file
Code Review / ccsdk / apps.git / blobdiff