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<?xml version="1.0" encoding="UTF-8"?>
<!--
$Id: rrdp.rnc 5875 2014-06-26 17:48:53Z sra $
RelaxNG schema for RPKI Repository Delta Protocol (RRDP).
Copyright (C) 2014 Dragon Research Labs ("DRL")
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND DRL DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL DRL BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
-->
<grammar ns="http://www.ripe.net/rpki/rrdp" xmlns="http://relaxng.org/ns/structure/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
<!--
I find the use of "version" for both the protocol version and the database version
unncessarily confusing, so I'd prefer "serial" for the latter. For the moment,
I'm keeping the attribute names as in Tim's document and just using "serial" for
the data type.
The xsd:string types here are me being lazy in the initial version.
We should also think about length limits for all of these types.
-->
<define name="version">
<data type="positiveInteger">
<param name="maxInclusive">1</param>
</data>
</define>
<define name="serial">
<data type="nonNegativeInteger"/>
</define>
<define name="uri">
<data type="anyURI"/>
</define>
<define name="uuid">
<data type="string"/>
</define>
<define name="sha256">
<data type="string"/>
</define>
<define name="base64">
<data type="base64Binary"/>
</define>
<define name="index">
<data type="positiveInteger"/>
</define>
<!--
Notification file: lists current snapshots and deltas
We want to get rid of the multiple segment thing from Tim's original
specification. I think this means that the multiple
<snapshot-segment/> elements collapse down to a single snapshot, the
attributes of which probably float up to the <snapshot/> element.
Or maybe we just require exactly one snapshot-segment element; it's
a bit verbose, but leaves an easy way to change our minds later,
and it's XML so who's going to notice one more element?
Specify as in the -01 draft for the moment, simplify later.
-->
<start combine="choice">
<element name="msg">
<attribute name="version">
<ref name="version"/>
</attribute>
<attribute name="type">
<value>notification</value>
</attribute>
<element name="notification">
<attribute name="session_id">
<ref name="uuid"/>
</attribute>
<attribute name="current_version">
<ref name="serial"/>
</attribute>
<element name="snapshot">
<attribute name="version">
<ref name="serial"/>
</attribute>
<oneOrMore>
<element name="snapshot-segment">
<attribute name="uri">
<ref name="uri"/>
</attribute>
<attribute name="hash">
<ref name="sha256"/>
</attribute>
</element>
</oneOrMore>
</element>
<optional>
<element name="deltas">
<oneOrMore>
<element name="delta-segment">
<attribute name="from">
<ref name="serial"/>
</attribute>
<attribute name="to">
<ref name="serial"/>
</attribute>
<attribute name="uri">
<ref name="uri"/>
</attribute>
<attribute name="hash">
<ref name="sha256"/>
</attribute>
</element>
</oneOrMore>
</element>
</optional>
</element>
</element>
</start>
<!--
If we're getting rid of multiple snapshot segments, I think the
index attributes go away.
-01 is a bit vague on <publish/> and <withdraw/> elements:
Zero-or-more? One-or-more? Does "exact copy" include using the
publication protocol's XML namespace instead of RRDP's? Tag
attribute allowed? Wing it for now.
-->
<!-- Snapshot segment: think DNS AXFR. -->
<start combine="choice">
<element name="msg">
<attribute name="version">
<ref name="version"/>
</attribute>
<attribute name="type">
<value>snapshot</value>
</attribute>
<element name="snapshot">
<attribute name="session_id">
<ref name="uuid"/>
</attribute>
<attribute name="repository_version">
<ref name="serial"/>
</attribute>
<attribute name="index">
<ref name="index"/>
</attribute>
<zeroOrMore>
<element name="publish">
<attribute name="uri">
<ref name="uri"/>
</attribute>
<ref name="base64"/>
</element>
</zeroOrMore>
</element>
</element>
</start>
<!-- Delta segment: think DNS IXFR. -->
<!-- -01 doesn't say whether <delta/> is zero-or-more or one-or-more. -->
<start combine="choice">
<element name="msg">
<attribute name="version">
<ref name="version"/>
</attribute>
<attribute name="type">
<value>deltas</value>
</attribute>
<element name="deltas">
<attribute name="session_id">
<ref name="uuid"/>
</attribute>
<attribute name="from">
<ref name="serial"/>
</attribute>
<attribute name="to">
<ref name="serial"/>
</attribute>
<attribute name="index">
<ref name="index"/>
</attribute>
<zeroOrMore>
<element name="delta">
<attribute name="version">
<ref name="serial"/>
</attribute>
<zeroOrMore>
<choice>
<element name="publish">
<attribute name="uri">
<ref name="uri"/>
</attribute>
<ref name="base64"/>
</element>
<element name="withdraw">
<attribute name="uri">
<ref name="uri"/>
</attribute>
</element>
</choice>
</zeroOrMore>
</element>
</zeroOrMore>
</element>
</element>
</start>
</grammar>
<!--
Local Variables:
indent-tabs-mode: nil
comment-start: "# "
comment-start-skip: "#[ \t]*"
End:
-->
|
