func buildopen(gConf *config.Global, pConf *config.Neighbor) *bgp.BGPMessage {
caps := capabilitiesFromConfig(pConf)
opt := bgp.NewOptionParameterCapability(caps)
holdTime := uint16(pConf.Timers.Config.HoldTime)
as := pConf.Config.LocalAs
if as > (1<<16)-1 {
as = bgp.AS_TRANS
}
return bgp.NewBGPOpenMessage(uint16(as), holdTime, gConf.Config.RouterId,
[]bgp.OptionParameterInterface{opt})
}
func open() *bgp.BGPMessage {
p1 := bgp.NewOptionParameterCapability(
[]bgp.ParameterCapabilityInterface{bgp.NewCapRouteRefresh()})
p2 := bgp.NewOptionParameterCapability(
[]bgp.ParameterCapabilityInterface{bgp.NewCapMultiProtocol(bgp.RF_IPv4_UC)})
g := &bgp.CapGracefulRestartTuple{4, 2, 3}
p3 := bgp.NewOptionParameterCapability(
[]bgp.ParameterCapabilityInterface{bgp.NewCapGracefulRestart(true, 100,
[]*bgp.CapGracefulRestartTuple{g})})
p4 := bgp.NewOptionParameterCapability(
[]bgp.ParameterCapabilityInterface{bgp.NewCapFourOctetASNumber(100000)})
return bgp.NewBGPOpenMessage(11033, 303, "100.4.10.3",
[]bgp.OptionParameterInterface{p1, p2, p3, p4})
}