probe/nic/nic_darwin.go

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2018-09-26 16:42:51 +00:00
package nic
import (
"log"
"net"
omm "git.loafle.net/overflow/model/meta"
omn "git.loafle.net/overflow/model/net"
oun "git.loafle.net/overflow/util-go/net"
)
func DiscoverInterfaces() ([]*omn.Interface, error) {
gwIP, gwIface, err := DiscoverGateway()
if nil != err {
return nil, err
}
netIfaces, err := net.Interfaces()
if err != nil {
return nil, err
}
ifaces := make([]*omn.Interface, 0)
for _, netIface := range netIfaces {
if netIface.Flags&net.FlagLoopback != 0 || netIface.Flags&net.FlagUp == 0 {
continue
}
iface := &omn.Interface{}
ifaces = append(ifaces, iface)
iface.Iface = netIface.Name
iface.FriendlyName = netIface.Name
iface.Mac = netIface.HardwareAddr.String()
iface.Addresses = make([]*omn.InterfaceAddress, 0)
netAddrs, err := netIface.Addrs()
if nil != err {
continue
}
LOOP_ADDR:
for _, netAddr := range netAddrs {
_, ipNet, err := oun.ParseCIDR(netAddr.String())
if nil != err {
continue
}
var ip net.IP
switch v := netAddr.(type) {
case *net.IPNet:
ip = v.IP
case *net.IPAddr:
ip = v.IP
default:
log.Print("Addr is not *net.IPNet or *net.IPAddr", netAddr)
}
addr := &omn.InterfaceAddress{}
iface.Addresses = append(iface.Addresses, addr)
addr.Address = ip.String()
addr.Netmask = ipNet.Mask.String()
addr.Network = ipNet.Network().String()
if gwIface == netIface.Name {
addr.Gateway = gwIP.String()
}
switch ipNet.Version() {
case 4:
addr.MetaIPType = omm.ToMetaIPType(omm.MetaIPTypeEnumV4)
case 6:
addr.MetaIPType = omm.ToMetaIPType(omm.MetaIPTypeEnumV6)
default:
continue LOOP_ADDR
}
}
}
return ifaces, nil
}