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