In theory Fargo supports lots of simultaneous connections/calls, but this hasn't been verified. To do so we need a stress-test client (which is basically the from-tp and from-xmpp regression tests munged together).
I've hacked up a stress-test client which mostly works. Usage: run it in a loop with an appropriate sleep in between, and it will continually make zero-length Jingle calls. At the moment it just ignores the transport-info stanzas that the peers send each other.
Mostly merged, still needs a wrapper to do many parallel connections.
Some more work on this was necessary, estimate += 1h. smcv/cov branch, see bug #26278
Fixed in git; now fixing Fargo bugs that caused it to fail horribly
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