Software /
code /
prosody
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spec/scansion/blocking.scs @ 13439:1e229d710a3c
util.signal: Add support for signalfd(2) on Linux
signalfd allows handling signal events using the same method as sockets,
via file descriptors. Thus all signal dispatch can go through the same
main event loop as everything else, removing need for thread-scary
signal handling where execution would just jump to the signal handler
regardless of the state of Lua, and needing to keep track of Lua
states/threads.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 24 Feb 2024 00:05:29 +0100 |
parent | 10812:3bd846c76701 |
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# XEP-0191: Blocking Command [Client] Romeo jid: blocker@localhost password: password [Client] Juliet jid: blockee@localhost password: password ----- # The parties connect Romeo connects Romeo sends: <presence/> Romeo receives: <presence from="${Romeo's full JID}"/> Juliet connects Juliet sends: <presence/> Juliet receives: <presence from="${Juliet's full JID}"/> # They add each other Romeo sends: <presence type="subscribe" to="${Juliet's JID}"/> Romeo receives: <presence from="${Juliet's JID}" to="${Romeo's JID}" type="unavailable"/> Juliet receives: <presence type="subscribe" to="${Juliet's JID}" from="${Romeo's JID}"/> Juliet sends: <presence type="subscribed" to="${Romeo's JID}"/> Romeo receives: <presence from="${Juliet's full JID}" to="${Romeo's JID}"> <delay xmlns="urn:xmpp:delay" stamp="{scansion:any}" from="localhost"/> </presence> Juliet sends: <presence type="subscribe" to="${Romeo's JID}"/> Juliet receives: <presence from="${Romeo's JID}" to="${Juliet's JID}" type="unavailable"/> Romeo receives: <presence type="subscribe" to="${Romeo's JID}" from="${Juliet's JID}"/> Romeo sends: <presence type="subscribed" to="${Juliet's JID}"/> Juliet receives: <presence from="${Romeo's full JID}" to="${Juliet's JID}"> <delay xmlns="urn:xmpp:delay" stamp="{scansion:any}" from="localhost"/> </presence> Romeo receives: <presence from="${Juliet's full JID}" to="${Romeo's JID}"> <delay xmlns="urn:xmpp:delay" stamp="{scansion:any}" from="localhost"/> </presence> # They can now talk Juliet sends: <message type="chat" to="${Romeo's JID}"> <body>ohai</body> </message> Romeo receives: <message type="chat" to="${Romeo's JID}" from="${Juliet's full JID}"> <body>ohai</body> </message> # And now to the blockining Romeo sends: <iq type="set" id="lx2"> <block xmlns="urn:xmpp:blocking"> <item jid="${Juliet's JID}"/> </block> </iq> Romeo receives: <iq type="result" id="lx2"/> Juliet receives: <presence type="unavailable" to="${Juliet's JID}" from="${Romeo's full JID}"/> # Can"t talk anymore Romeo sends: <message type="chat" to="${Juliet's JID}"> <body>hello?</body> </message> Romeo receives: <message type="error" from="${Juliet's JID}"> <error type="cancel"> <not-acceptable xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/> <text xmlns="urn:ietf:params:xml:ns:xmpp-stanzas">You have blocked this JID</text> <blocked xmlns="urn:xmpp:blocking:errors"/> </error> </message> Juliet sends: <message type="chat" to="${Romeo's JID}"/> Juliet receives: <message type="error" from="${Romeo's JID}"> <error type="cancel"> <service-unavailable xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/> </error> </message> Romeo sends: <iq type="set" id="lx3"> <unblock xmlns="urn:xmpp:blocking"> <item jid="${Juliet's JID}"/> </unblock> </iq> Juliet receives: <presence to="${Juliet's JID}" from="${Romeo's full JID}"> <delay xmlns="urn:xmpp:delay" stamp="{scansion:any}" from="localhost"/> </presence> Romeo receives: <iq type="result" id="lx3"/> # Can talk again Romeo sends: <message type="chat" to="${Juliet's JID}"> <body>hello!</body> </message> Juliet receives: <message type="chat" to="${Juliet's JID}" from="${Romeo's full JID}"> <body>hello!</body> </message> # Bye Juliet sends: <presence type="unavailable"/> Juliet disconnects Romeo receives: <presence from="${Juliet's full JID}" to="${Romeo's JID}" type="unavailable"/> Romeo sends: <presence type="unavailable"/> Romeo disconnects