On Fri, Jul 11, 2014 at 5:49 AM, Nehal J Wani <nehaljw.kkd1@xxxxxxxxx> wrote: > This patch enables the helper program to detect event(s) triggered when there > is a change in lease length or expiry and client-id. This transfers complete > control of leases database to libvirt and suppresses use of the lease database > file (<network-name>.leases). That file will not be created, read, or written. > This is achieved by adding the option --leasefile-ro to dnsmasq and applying > the symlink technique, which helps us map events related to leases with their > corresponding network bridges. > Example: > /var/lib/libvirt/dnsmasq/virbr0.helper -> /home/wani/libvirt/src/libvirt_leaseshelper > /var/lib/libvirt/dnsmasq/virbr3.helper -> /home/wani/libvirt/src/libvirt_leaseshelper > > Also, this requires the addition of a new non-lease entry in our custom lease > database: "server-duid". It is required to identify a DHCPv6 server. > > Now that dnsmasq doesn't maintain its own leases database, it relies on our > helper program to tell it about previous leases and server duid. Thus, this > patch makes our leases program honor an extra action: "init", in which it sends > the known info in a particular format to dnsmasq by printing it to stdout. > > --- > src/network/bridge_driver.c | 43 +++++++++++- > src/network/leaseshelper.c | 156 +++++++++++++++++++++++++++++++++++++------- > 2 files changed, 175 insertions(+), 24 deletions(-) Ping! -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list