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Added a nr attribute to the chunk message element.

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unknown 2014-08-12 10:48:36 -04:00
parent eef60ad67b
commit 665a52c82c
1 changed files with 17 additions and 3 deletions
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xep-0332.xml
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@ -33,6 +33,14 @@
<jid>peter.waher@jabber.org</jid>
<uri>http://www.linkedin.com/in/peterwaher</uri>
</author>
<revision>
<version>0.3</version>
<date>2014-08-12</date>
<initials>pw</initials>
<remark>
<p>A sequence number have been added to chunks, to allow chunked service to work over servers that do not maintain message order.</p>
</remark>
</revision>
<revision>
<version>0.2</version>
<date>2014-07-07</date>
@ -860,14 +868,14 @@ Host: clayster.com</text>
<message from='httpserver@clayster.com'
to='httpclient@clayster.com/browser'>
<chunk xmlns='urn:xmpp:http' streamid='Stream0001'>iVBORw0KGgoAAAANSUhEUgAAASwAAAGQCAYAA ...</chunk>
<chunk xmlns='urn:xmpp:http' streamId='Stream0001' nr='0'>iVBORw0KGgoAAAANSUhEUgAAASwAAAGQCAYAA ...</chunk>
</message>
...
<message from='httpserver@clayster.com'
to='httpclient@clayster.com/browser'>
<chunk xmlns='urn:xmpp:http' streamid='Stream0001' last='true'>... 2uPzi9u+tVWJd+e+y1AAAAABJRU5ErkJggg==</chunk>
<chunk xmlns='urn:xmpp:http' streamId='Stream0001' nr='5' last='true'>... 2uPzi9u+tVWJd+e+y1AAAAABJRU5ErkJggg==</chunk>
</message>]]>
</example>
<p>
@ -883,7 +891,12 @@ Host: clayster.com</text>
and then by the HTTP client who will read the original chunk size elements inserted into the content. More information about HTTP chunking,
can be found in <link url='http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6.1'>RDF2616 §3.6.1</link>.
</p>
</section3>
<p>
<strong>Note 3:</strong> In order to work over XMPP servers that do not maintain message order, a <strong>nr</strong> attribute is available on the
<strong>chunk</strong> element. The first chunk reports a <strong>nr</strong> of zero. Each succcessive chunk reports a <strong>nr</strong> that is
incremented by one. In this way, the receiver can make sure to order incoming chunks in the correct order.
</p>
</section3>
<section3 topic='sipub'>
<p>
Often content being sent can be represented by a file, virtual or real, especially if the content actually represents a file and is not
@ -1942,6 +1955,7 @@ Host: clayster.com</text>
<xs:simpleContent>
<xs:extension base="xs:base64Binary">
<xs:attribute name="streamId" type="xs:string" use="required"/>
<xs:attribute name="nr" type="xs:nonNegativeInteger" use="required"/>
<xs:attribute name="last" type="xs:boolean" use="optional" default="false"/>
</xs:extension>
</xs:simpleContent>