附录B. NETCONF消息层的XML Schema

本部分是规范性的。

<CODE BEGINS> file "netconf.xsd"

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"
           targetNamespace="urn:ietf:params:xml:ns:netconf:base:1.0"
           elementFormDefault="qualified"
           attributeFormDefault="unqualified"
           xml:lang="en"
           version="1.1">

    <xs:annotation>
        <xs:documentation>
            This schema defines the syntax for the NETCONF Messages layer
            messages 'hello', 'rpc', and 'rpc-reply'.
        </xs:documentation>
    </xs:annotation>

    <!--
    import standard XML definitions
    -->
    <xs:import namespace="http://www.w3.org/XML/1998/namespace"
        schemaLocation="http://www.w3.org/2001/xml.xsd">
        <xs:annotation>
            <xs:documentation>
                This import accesses the xml: attribute groups for the
                xml:lang as declared on the error-message element.
            </xs:documentation>
        </xs:annotation>
    </xs:import>
    <!--
    message-id attribute
    -->

    <xs:simpleType name="messageIdType">
        <xs:restriction base="xs:string">
            <xs:maxLength value="4095"/>
        </xs:restriction>
    </xs:simpleType>
    <!--
       Types used for session-id
      -->
    <xs:simpleType name="SessionId">
        <xs:restriction base="xs:unsignedInt">
            <xs:minInclusive value="1"/>
        </xs:restriction>
    </xs:simpleType>
    <xs:simpleType name="SessionIdOrZero">
        <xs:restriction base="xs:unsignedInt"/>
    </xs:simpleType>
    <!--
       <rpc> element
      -->
    <xs:complexType name="rpcType">
        <xs:sequence>
            <xs:element ref="rpcOperation"/>
        </xs:sequence>
        <xs:attribute name="message-id" type="messageIdType" use="required"/>
        <!--
        Arbitrary attributes can be supplied with <rpc> element.
        -->
        <xs:anyAttribute processContents="lax"/>
    </xs:complexType>
    <xs:element name="rpc" type="rpcType"/>
    <!--
       data types and elements used to construct rpc-errors
      -->
    <xs:simpleType name="ErrorType">
      <xs:restriction base="xs:string">
        <xs:enumeration value="transport"/>
        <xs:enumeration value="rpc"/>
        <xs:enumeration value="protocol"/>
        <xs:enumeration value="application"/>
      </xs:restriction>
    </xs:simpleType>
    <xs:simpleType name="ErrorTag">
      <xs:restriction base="xs:string">
        <xs:enumeration value="in-use"/>
        <xs:enumeration value="invalid-value"/>
        <xs:enumeration value="too-big"/>
        <xs:enumeration value="missing-attribute"/>
        <xs:enumeration value="bad-attribute"/>
        <xs:enumeration value="unknown-attribute"/>
        <xs:enumeration value="missing-element"/>
        <xs:enumeration value="bad-element"/>
        <xs:enumeration value="unknown-element"/>
        <xs:enumeration value="unknown-namespace"/>
        <xs:enumeration value="access-denied"/>
        <xs:enumeration value="lock-denied"/>
        <xs:enumeration value="resource-denied"/>
        <xs:enumeration value="rollback-failed"/>
        <xs:enumeration value="data-exists"/>
        <xs:enumeration value="data-missing"/>
        <xs:enumeration value="operation-not-supported"/>
        <xs:enumeration value="operation-failed"/>
        <xs:enumeration value="partial-operation"/>
        <xs:enumeration value="malformed-message"/>
      </xs:restriction>
    </xs:simpleType>
    <xs:simpleType name="ErrorSeverity">
      <xs:restriction base="xs:string">
        <xs:enumeration value="error"/>
        <xs:enumeration value="warning"/>
      </xs:restriction>
    </xs:simpleType>
    <xs:complexType name="errorInfoType">
        <xs:sequence>
            <xs:choice>
                <xs:element name="session-id" type="SessionIdOrZero"/>
                <xs:sequence minOccurs="0" maxOccurs="unbounded">
                    <xs:sequence>
                        <xs:element name="bad-attribute" type="xs:QName" minOccurs="0" maxOccurs="1"/>
                        <xs:element name="bad-element" type="xs:QName" minOccurs="0" maxOccurs="1"/>
                        <xs:element name="ok-element" type="xs:QName" minOccurs="0" maxOccurs="1"/>
                        <xs:element name="err-element" type="xs:QName" minOccurs="0" maxOccurs="1"/>
                        <xs:element name="noop-element" type="xs:QName" minOccurs="0" maxOccurs="1"/>
                        <xs:element name="bad-namespace" type="xs:string" minOccurs="0" maxOccurs="1"/>
                    </xs:sequence>
                </xs:sequence>
            </xs:choice>
        <!-- elements from any other namespace are also allowed
        to follow the NETCONF elements -->
        <xs:any namespace="##other" processContents="lax"
        minOccurs="0" maxOccurs="unbounded"/>
        </xs:sequence>
    </xs:complexType>
    <xs:complexType name="rpcErrorType">
      <xs:sequence>
        <xs:element name="error-type" type="ErrorType"/>
        <xs:element name="error-tag" type="ErrorTag"/>
        <xs:element name="error-severity" type="ErrorSeverity"/>
        <xs:element name="error-app-tag" type="xs:string"
                    minOccurs="0"/>
        <xs:element name="error-path" type="xs:string" minOccurs="0"/>
        <xs:element name="error-message" minOccurs="0">
          <xs:complexType>
            <xs:simpleContent>
              <xs:extension base="xs:string">
                <xs:attribute ref="xml:lang" use="optional"/>
              </xs:extension>
            </xs:simpleContent>
          </xs:complexType>
        </xs:element>
        <xs:element name="error-info" type="errorInfoType"
                    minOccurs="0"/>
      </xs:sequence>
    </xs:complexType>
    <!--
       operation attribute used in <edit-config>
      -->
    <xs:simpleType name="editOperationType">
      <xs:restriction base="xs:string">
        <xs:enumeration value="merge"/>
        <xs:enumeration value="replace"/>
        <xs:enumeration value="create"/>
        <xs:enumeration value="delete"/>
        <xs:enumeration value="remove"/>
      </xs:restriction>
    </xs:simpleType>
    <xs:attribute name="operation" type="editOperationType"/>
    <!--
       <rpc-reply> element
      -->
    <xs:complexType name="rpcReplyType">
        <xs:choice>
            <xs:element name="ok"/>
            <xs:sequence>
                <xs:element ref="rpc-error"  minOccurs="0" maxOccurs="unbounded"/>
                <xs:element ref="rpcResponse"   minOccurs="0" maxOccurs="unbounded"/>
            </xs:sequence>
        </xs:choice>
        <xs:attribute name="message-id" type="messageIdType"
                  use="optional"/>
        <!--
        Any attributes supplied with <rpc> element must be returned
        on <rpc-reply>.
        -->
        <xs:anyAttribute processContents="lax"/>
    </xs:complexType>
    <xs:element name="rpc-reply" type="rpcReplyType"/>
    <!--
    <rpc-error> element
    -->
    <xs:element name="rpc-error" type="rpcErrorType"/>
    <!--
    rpcOperationType: used as a base type for all
    NETCONF operations
    -->
    <xs:complexType name="rpcOperationType"/>
    <xs:element name="rpcOperation" type="rpcOperationType" abstract="true"/>
    <!--
    rpcResponseType: used as a base type for all
    NETCONF responses
    -->
    <xs:complexType name="rpcResponseType"/>
    <xs:element name="rpcResponse" type="rpcResponseType" abstract="true"/>
          <!--
             <hello> element
            -->
    <xs:element name="hello">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="capabilities">
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="capability" type="xs:anyURI" maxOccurs="unbounded"/>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>
                <xs:element name="session-id" type="SessionId"
                minOccurs="0"/>

            </xs:sequence>
        </xs:complexType>
    </xs:element>
</xs:schema>

<CODE ENDS>