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Direct TLS #642
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Direct TLS #642
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QXmppStream is going to be dropped in favour of using small components like XmppSocket directly and avoiding complicated inheritance relations.
This will be useful for managing addresses of different connection types.
Do not use normal xmpp-client SRV records for connecting with direct TLS.
The issue was that with direct TLS started() would be emitted twice (on connect and on encryption). The solution is to make XmppSocket aware of the connection type (TLS or TCP) and only emit started() in on connect if the connection type is TCP.
Both record types are looked up now and direct TLS is preferred as it saves one round trip and works better with firewalls.
This is needed so that TLS protocol multiplexers work correctly and a single port can be used for XMPP, HTTPS and possibly other protocols.
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Implements direct TLS connections and XEP-0368: SRV records for XMPP over TLS.
PR check list:
\since QXmpp 1.X
,QXMPP_EXPORT
doc/doap.xml
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