On 4/11/19 12:27 PM, Vladimir Sementsov-Ogievskiy wrote: > To implement reconnect we need several states for the client: > CONNECTED, QUIT and two different CONNECTING states. CONNECTING states > will be added in the following patches. This patch implements CONNECTED > and QUIT. > > QUIT means, that we should close the connection and fail all current > and further requests (like old quit = true). > > CONNECTED means that connection is ok, we can send requests (like old > quit = false). > > For receiving loop we use a comparison of the current state with QUIT, > because reconnect will be in the same loop, so it should be looping > until the end. > > Opposite, for requests we use a comparison of the current state with > CONNECTED, as we don't want to send requests in future CONNECTING > states. > > Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> > --- > block/nbd-client.h | 7 ++++++- > block/nbd-client.c | 51 ++++++++++++++++++++++++++++------------------ > 2 files changed, 37 insertions(+), 21 deletions(-) >
Reviewed-by: Eric Blake <ebl...@redhat.com> -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org
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