yanic/respond/daemon/nodeinfo.go

77 lines
1.6 KiB
Go

package respondd
import (
"fmt"
"net"
"os"
"runtime"
"github.com/FreifunkBremen/yanic/data"
)
func (d *Daemon) updateNodeinfo(iface string, resp *data.ResponseData) {
config, nodeID := d.getAnswer(iface)
resp.Nodeinfo.NodeID = nodeID
if config.Hostname == "" {
resp.Nodeinfo.Hostname, _ = os.Hostname()
} else {
resp.Nodeinfo.Hostname = config.Hostname
}
resp.Nodeinfo.VPN = config.VPN
resp.Nodeinfo.Location = config.Location
resp.Nodeinfo.System.SiteCode = config.SiteCode
resp.Nodeinfo.System.DomainCode = config.DomainCode
resp.Nodeinfo.Hardware.Nproc = runtime.NumCPU()
if resp.Nodeinfo.Network.Mac == "" {
resp.Nodeinfo.Network.Mac = fmt.Sprintf("%s:%s:%s:%s:%s:%s", nodeID[0:2], nodeID[2:4], nodeID[4:6], nodeID[6:8], nodeID[8:10], nodeID[10:12])
}
if iface != "" {
resp.Nodeinfo.Network.Addresses = getAddresses(iface)
}
resp.Nodeinfo.Network.Mesh = make(map[string]*data.NetworkInterface)
for _, bface := range d.Batman {
b := NewBatman(bface)
mesh := data.NetworkInterface{}
for _, bbface := range b.Interfaces {
addr := b.Address(bbface)
if addr != "" {
mesh.Interfaces.Tunnel = append(mesh.Interfaces.Tunnel, addr)
}
}
resp.Nodeinfo.Network.Mesh[bface] = &mesh
}
}
func getAddresses(iface string) (addrs []string) {
in, err := net.InterfaceByName(iface)
if err != nil {
return
}
inAddrs, err := in.Addrs()
if err != nil {
return
}
for _, a := range inAddrs {
var ip net.IP
switch v := a.(type) {
case *net.IPNet:
ip = v.IP
case *net.IPAddr:
ip = v.IP
default:
continue
}
if ip4 := ip.To4(); ip4 == nil {
addrs = append(addrs, ip.String())
}
}
return
}