Software /
code /
prosody
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spec/scansion/mam_extended.scs @ 13134:638f627e707f
util.datamanager: Add O(1) list indexing with on-disk index
Index file contains offsets and lengths of each item() which allows
seeking directly to each item and reading it without parsing the entire
file.
Also allows tricks like binary search, assuming items have some defined
order.
We take advantage of the 1-based indexing in tables to store a magic
header in the 0 position, so that table index 1 ends up at file index 1.
author | Kim Alvefur <zash@zash.se> |
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date | Tue, 11 May 2021 02:09:56 +0200 |
parent | 12630:781772c8b6d9 |
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# MAM 0.7.x Extended features [Client] Romeo jid: extmamtester@localhost password: password --------- Romeo connects # Enable MAM so we can save some messages Romeo sends: <iq type="set" id="enablemam"> <prefs xmlns="urn:xmpp:mam:2" default="always"> <always/> <never/> </prefs> </iq> Romeo receives: <iq type="result" id="enablemam"> <prefs xmlns="urn:xmpp:mam:2" default="always"> <always/> <never/> </prefs> </iq> # Some messages to look for later Romeo sends: <message to="someone@localhost" type="chat" id="chat01"> <body>Hello</body> </message> Romeo sends: <message to="someone@localhost" type="chat" id="chat02"> <body>U there?</body> </message> # Metadata Romeo sends: <iq type="get" id="mamextmeta"> <metadata xmlns="urn:xmpp:mam:2"/> </iq> Romeo receives: <iq type="result" id="mamextmeta"> <metadata xmlns="urn:xmpp:mam:2"> <start timestamp="2008-08-22T21:09:04.500000Z" xmlns="urn:xmpp:mam:2" id="{scansion:any}"/> <end timestamp="2008-08-22T21:09:04.500000Z" xmlns="urn:xmpp:mam:2" id="{scansion:any}"/> </metadata> </iq> Romeo sends: <iq type="set" id="mamquery1"> <query xmlns="urn:xmpp:mam:2" queryid="q1"/> </iq> Romeo receives: <message to="${Romeo's full JID}"> <result xmlns="urn:xmpp:mam:2" queryid="q1" id="{scansion:any}"> <forwarded xmlns="urn:xmpp:forward:0"> <delay stamp="2008-08-22T21:09:04.500000Z" xmlns="urn:xmpp:delay"/> <message to="someone@localhost" xmlns="jabber:client" type="chat" xml:lang="en" id="chat01" from="${Romeo's full JID}"> <body>Hello</body> </message> </forwarded> </result> </message> Romeo receives: <message to="${Romeo's full JID}"> <result xmlns="urn:xmpp:mam:2" queryid="q1" id="{scansion:any}"> <forwarded xmlns="urn:xmpp:forward:0"> <delay stamp="2008-08-22T21:09:04.500000Z" xmlns="urn:xmpp:delay"/> <message to="someone@localhost" xmlns="jabber:client" type="chat" xml:lang="en" id="chat02" from="${Romeo's full JID}"> <body>U there?</body> </message> </forwarded> </result> </message> # FIXME unstable tag order from util.rsm Romeo receives: <iq type="result" id="mamquery1" to="${Romeo's full JID}"> <fin xmlns="urn:xmpp:mam:2" complete="true" scansion:strict="false"> </fin> </iq> # Get results in reverse order Romeo sends: <iq type="set" id="mamquery2"> <query xmlns="urn:xmpp:mam:2" queryid="q1"> <flip-page/> </query> </iq> Romeo receives: <message to="${Romeo's full JID}"> <result xmlns="urn:xmpp:mam:2" queryid="q1" id="{scansion:any}"> <forwarded xmlns="urn:xmpp:forward:0"> <delay stamp="2008-08-22T21:09:04.500000Z" xmlns="urn:xmpp:delay"/> <message to="someone@localhost" xmlns="jabber:client" type="chat" xml:lang="en" id="chat02" from="${Romeo's full JID}"> <body>U there?</body> </message> </forwarded> </result> </message> Romeo receives: <message to="${Romeo's full JID}"> <result xmlns="urn:xmpp:mam:2" queryid="q1" id="{scansion:any}"> <forwarded xmlns="urn:xmpp:forward:0"> <delay stamp="2008-08-22T21:09:04.500000Z" xmlns="urn:xmpp:delay"/> <message to="someone@localhost" xmlns="jabber:client" type="chat" xml:lang="en" id="chat01" from="${Romeo's full JID}"> <body>Hello</body> </message> </forwarded> </result> </message> # FIXME unstable tag order from util.rsm Romeo receives: <iq type="result" id="mamquery2" to="${Romeo's full JID}"> <fin xmlns="urn:xmpp:mam:2" complete="true" scansion:strict="false"> </fin> </iq>