Jabber protocol filter.
Category: Protocol filter
OT_XMPP_REQUEST - outgoing data
OT_XMPP_RESPONSE - incoming data
Indicates object parts: no
The objects contain a single XML command or response in one stream.
Periodically XMPP clients send spaces to keep the connection alive.
They are indicated as objects too.
When both flags FF_READ_ONLY_IN and FF_READ_ONLY_OUT are specified for XMPP filter,
it automatically decompresses the streams compressed with gzip.