yanic/respond/daemon/neighbours.go

74 lines
1.7 KiB
Go

package respondd
import (
"errors"
"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(bu parser.BabelUpdate) error {
sbu := bu.ToSUpdate()
if sbu.Table != "interface" {
return nil
}
if sbu.EntryData["up"].(bool) {
addr := sbu.EntryData["ipv6"].(string)
resp.Neighbours.Babel[string(sbu.Entry)] = data.BabelNeighbours{
Protocol: "babel",
LinkLocalAddress: addr,
Neighbours: make(map[string]data.BabelLink),
}
}
return nil
})
d.babelData.Iter(func(bu parser.BabelUpdate) error {
sbu := bu.ToSUpdate()
if sbu.Table != "neighbour" {
return nil
}
ifname, ok := sbu.EntryData["if"].(string)
if !ok {
return errors.New("neighbour without if")
}
addr := sbu.EntryData["address"].(string)
if !ok {
return errors.New("neighbour without address")
}
if bIfname, ok := resp.Neighbours.Babel[ifname]; ok {
link := data.BabelLink{
RXCost: int(sbu.EntryData["rxcost"].(uint64)),
TXCost: int(sbu.EntryData["txcost"].(uint64)),
Cost: int(sbu.EntryData["cost"].(uint64)),
}
bIfname.Neighbours[addr] = link
return nil
}
return errors.New("ifname not found during parsing")
})
}