tree 4197c583775a274f6bb32f9e3bd52d8d6bb4ff25
parent 42a270eac2f9f44fd558594b7ca7251c8dc42897
author Lei YU <yulei.sh@bytedance.com> 1624015377 +0800
committer Derick Montague <derick.montague@ibm.com> 1624463230 +0000

kvm: Disconnect on page unload/refresh

Disconnect the VNC when page is unloaded. Otherwise, it creates a new
VNC connection on every page load/refresh, and it causes the KVM failure
when it reaches the max connections.

Tested: Refresh the KVM page, go to other pages and go back to KVM page,
        verify the KVM works fine and the connection is closed and
        re-connected, and verify there is no extra connections.

        obmc-ikvm[233]: 18/06/2021 10:46:26 Got connection from client 127.0.0.1
        obmc-ikvm[233]: 18/06/2021 10:46:26   0 other clients

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: Iffb3cf34a357e247d4b2aabe8dc17080b50c8da4