yanic/respond/daemon/neighbours.go

73 lines
1.6 KiB
Go

package respondd
import (
"errors"
"net"
"github.com/Vivena/babelweb2/parser"
"github.com/FreifunkBremen/yanic/data"
)
func (d *Daemon) updateNeighbours(iface string, resp *data.ResponseData) {
_, nodeID := d.getAnswer(iface)
resp.Neighbours.NodeID = nodeID
resp.Neighbours.Batadv = make(map[string]data.BatadvNeighbours)
for _, bface := range d.Batman {
b := NewBatman(bface)
if b == nil {
continue
}
for bfaceAddr, n := range b.Neighbours() {
resp.Neighbours.Batadv[bfaceAddr] = n
}
}
if d.babelData == nil {
return
}
resp.Neighbours.Babel = make(map[string]data.BabelNeighbours)
d.babelData.Iter(func(t parser.Transition) error {
if t.Table != "interface" {
return nil
}
if t.Data["up"].(bool) {
addr := t.Data["ipv6"].(net.IP)
resp.Neighbours.Babel[string(t.Field)] = data.BabelNeighbours{
Protocol: "babel",
LinkLocalAddress: addr.String(),
Neighbours: make(map[string]data.BabelLink),
}
}
return nil
})
d.babelData.Iter(func(t parser.Transition) error {
if t.Table != "neighbour" {
return nil
}
ifname, ok := t.Data["if"].(string)
if !ok {
return errors.New("neighbour without if")
}
addr, ok := t.Data["address"].(net.IP)
if !ok {
return errors.New("neighbour without address")
}
if bIfname, ok := resp.Neighbours.Babel[ifname]; ok {
link := data.BabelLink{
RXCost: int(t.Data["rxcost"].(uint64)),
TXCost: int(t.Data["txcost"].(uint64)),
Cost: int(t.Data["cost"].(uint64)),
}
bIfname.Neighbours[addr.String()] = link
return nil
}
return errors.New("ifname not found during parsing")
})
}