File

spec/scansion/pubsub_advanced.scs @ 13186:affaf6d08d26

util.datamanager: Pad list writes to avoid crossing block boundaries By padding items so that they do not cross block boundaries, it becomes eaiser to delete whole blocks with fallocate() without cutting items in half, improving efficiency of such operations. Since list stores are used for message archives, where the most common deletion operation would be of the oldest entires, at the top of the file. With this, all blocks that contain items to be removed could be deleted without needing to read, delete and write out the whole file.
author Kim Alvefur <zash@zash.se>
date Wed, 07 Jun 2023 00:39:30 +0200
parent 11714:d783716103c1
line wrap: on
line source

# Pubsub: Node creation, publish, subscribe, affiliations and delete

[Client] Balthasar
	jid: admin@localhost
	password: password

[Client] Romeo
	jid: romeo@localhost
	password: password

[Client] Juliet
	jid: juliet@localhost
	password: password

---------

Romeo connects

Romeo sends:
	<iq type="set" to="pubsub.localhost" id='create1'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub">
			<create node="princely_musings"/>
		</pubsub>
	</iq>

Romeo receives:
	<iq type="error" id='create1'>
		<error type="auth">
			<forbidden xmlns='urn:ietf:params:xml:ns:xmpp-stanzas'/>
		</error>
	</iq>

Balthasar connects

Balthasar sends:
	<iq type='set' to='pubsub.localhost' id='create2'>
		<pubsub xmlns='http://jabber.org/protocol/pubsub'>
			<create node='princely_musings'/>
		</pubsub>
	</iq>

Balthasar receives:
	<iq type="result" id='create2'/>

Balthasar sends:
	<iq type="set" to="pubsub.localhost" id='create3'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub">
			<create node="princely_musings"/>
		</pubsub>
	</iq>

Balthasar receives:
	<iq type="error" id='create3'>
		<error type="cancel">
			<conflict xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/>
		</error>
	</iq>

Juliet connects

Juliet sends:
	<iq type="set" to="pubsub.localhost" id='sub1'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub">
			<subscribe node="princely_musings" jid="${Romeo's full JID}"/>
		</pubsub>
	</iq>

Juliet receives:
	<iq type="error" id='sub1'/>

Juliet sends:
	<iq type="set" to="pubsub.localhost" id='sub2'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub">
			<subscribe node="princely_musings" jid="${Juliet's full JID}"/>
		</pubsub>
	</iq>

Juliet receives:
	<iq type="result" id='sub2'>
		<pubsub xmlns='http://jabber.org/protocol/pubsub'>
			<subscription jid="${Juliet's full JID}" node='princely_musings' subscription='subscribed'/>
		</pubsub>
	</iq>

Balthasar sends:
	<iq type="get" id='aff1' to='pubsub.localhost'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub#owner">
			<affiliations node="princely_musings"/>
		</pubsub>
	</iq>

Balthasar receives:
	<iq type="result" id='aff1' from='pubsub.localhost'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub#owner">
			<affiliations node="princely_musings">
				<affiliation affiliation='owner' jid='admin@localhost' xmlns='http://jabber.org/protocol/pubsub#owner'/>
			</affiliations>
		</pubsub>
	</iq>

Balthasar sends:
	<iq type="set" id='aff2' to='pubsub.localhost'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub#owner">
			<affiliations node="princely_musings">
				<affiliation affiliation='owner' jid='admin@localhost' xmlns='http://jabber.org/protocol/pubsub#owner'/>
				<affiliation jid="${Romeo's JID}" affiliation="publisher"/>
			</affiliations>
		</pubsub>
	</iq>

Balthasar receives:
	<iq type="result" id='aff2' from='pubsub.localhost'/>

Romeo sends:
	<iq type="set" to="pubsub.localhost" id='pub1'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub">
			<publish node="princely_musings">
				<item id="current">
					<entry xmlns="http://www.w3.org/2005/Atom">
						<title>Soliloquy</title>
						<summary>Lorem ipsum dolor sit amet</summary>
					</entry>
				</item>
			</publish>
		</pubsub>
	</iq>

Juliet receives:
	<message type="headline" from="pubsub.localhost">
		<event xmlns="http://jabber.org/protocol/pubsub#event">
			<items node="princely_musings">
				<item id="current" publisher="${Romeo's JID}">
					<entry xmlns="http://www.w3.org/2005/Atom">
						<title>Soliloquy</title>
						<summary>Lorem ipsum dolor sit amet</summary>
					</entry>
				</item>
			</items>
		</event>
	</message>

Romeo receives:
	<iq type="result" id='pub1'/>

Juliet sends:
	<iq type="set" to="pubsub.localhost" id='unsub1'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub">
			<unsubscribe node="princely_musings" jid="${Juliet's full JID}"/>
		</pubsub>
	</iq>

Juliet receives:
	<iq type="result" id='unsub1'>
		<pubsub xmlns='http://jabber.org/protocol/pubsub'>
			<subscription jid="${Juliet's full JID}" node='princely_musings' subscription='none'/>
		</pubsub>
	</iq>

Balthasar sends:
	<iq type="set" to="pubsub.localhost" id='del1'>
		<pubsub xmlns="http://jabber.org/protocol/pubsub#owner">
			<delete node="princely_musings"/>
		</pubsub>
	</iq>

Balthasar receives:
	<iq type="result" from='pubsub.localhost' id='del1'/>

Romeo disconnects

// vim: syntax=xml: