As we want to avoid the libstrongswan include dependencies for libvici, avoid
the use of the bool type. Unfortunately this change may break the ABI for
vici_dump(). As this function is mostly for debugging purposes, we do it
nonetheless; my apologies if somebody already relies on the ABI stability of
that function.
While we currently have no need for messages larger than 65KB, we should design
the protocol to be future-proof, as we plan to keep at least to lowest protocol
layer stable.
To avoid any allocation issues, we currently keep the message size limit at
512KB.
As select() and finally the watcher may signal an FD even if it does not
actually have data, we must make a non-block read to avoid hanging in the
read callback.
Andreas Steffen