[libvirt-users] Trouble using virStream with callbacks

[Jonathan Lebon]

> poll() will be listening for i/o on the libvirt socket as well as
> stdin, so it'll see incoming I/O from the guest.

That's strange, that's not what I'm seeing when running it step-by-step. I see
poll() hanging regardless of guest events. There are indeed two fds in the
array (stdin and the other one being the libvirt socket I suppose), but in all
cases, I never observed an event occurring on the libvirt socket. Am I missing
a call to something here?

Note that I'm using 1.0.5.5 (daemon and library). Could things have changed
recently?

> One relevant thing is that stdio is line buffered by default and you
> aren't putting it into raw mode like virsh console does. This will
> delay I/O on the stdio streams.

That's a good point. But since all the messages between host and guest end
in newlines, that shouldn't be an issue, right? Anyway, I can see the lines
from stdin making it to virStreamSend() upon the first <Enter>. And from the
other side, it's safe to assume socat sends the data after the first <Enter>
as well (since it works fine with socat to socat directly on the socket/port).


Thanks,

Jonathan