public override void Define()
{
LocalNetworkPrefix localPrefix = null;
ArpUnanswered hostArp = null;
When()
.Match(() => localPrefix)
.Match(() => hostArp)
.All <IpFlow>(f => f.IpSrc != hostArp.Request.ArpSrcProtoIpv4 || IsLocalOrMulticast(f.IpDst, localPrefix));
Then()
.Do(ctx => EmitInvalidGateway(ctx, hostArp));
}
private void EmitInvalidGateway(IContext ctx, ArpUnanswered badGwArp)
{
ctx.TryInsert(new InvalidGateway {
HostIpAddr = badGwArp.Request.ArpSrcProtoIpv4, GwIpAddr = badGwArp.Request.ArpDstProtoIpv4
});
}
