Hi,
I've developed a routing daemon for wireless mesh networking. The package
for openwrt accordingly defines a new type of protocol so that the mesh
interface can be activate simply using
ifup mesh
(if of course a section with that name is available and properly configured
in /etc/config/networks.
I have however a designed issue. At the moment a bash daemon periodically
checks if the wan interface is up. If the check is positive then the
mesh daemon
advertise this gateway, otherwise the mesh interface is set as default
route.
I was wondering if there is a better way to handle this.
I could add a check for a default route when bringing up the the mesh
interface,
however this is not enough if the wan become available at a later time.
I could add a new hotplug rule:
if [ "$INTERFACE" = "wan" ]; then
if [ "$ACTION" = "ifup" ]; then
# start advertising the gateway
else
# set the mesh interface as default route
fi
fi
However this works only if the default route is obtained using the "wan"
network.
An user could for example have another uplink connection thorough for
example
an umts modem.
Is there a way for consistently detect when a new default route is added?
Thanks
--
--------------------------------------------------------
Roberto Riggio, Ph.D.
CREATE-NET
Network& Security Solutions for Pervasive Computing Systems (iNSPIRE)
Senior Researcher
Via alla Cascata 56/D - 38123 Povo Trento (Italy)
e-mail: roberto.rig...@create-net.org
Tel: (+39) 0461 408400 - interno/extension 708
Fax: (+39) 0461 421157
www.create-net.org/~rriggio
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