yggdrasil-network/yggdrasil-go
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TUN/TAP now uses config, log, etc from adapter.go

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This commit is contained in:
Neil Alexander 2019-04-01 20:10:14 +01:00
parent 58f5cc88d0
commit 350b51cabb
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GPG key ID: A02A2019A2BB0944
7 changed files with 65 additions and 65 deletions
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38
src/tuntap/tun.go
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@ -35,8 +35,6 @@ type TunAdapter struct {
yggdrasil.Adapter
addr address.Address
subnet address.Subnet
log *log.Logger
config *config.NodeState
icmpv6 ICMPv6
mtu int
iface *water.Interface
@ -98,20 +96,18 @@ func MaximumMTU() int {
// Init initialises the TUN/TAP adapter.
func (tun *TunAdapter) Init(config *config.NodeState, log *log.Logger, send chan<- []byte, recv <-chan []byte, reject <-chan yggdrasil.RejectedPacket) {
tun.config = config
tun.log = log
tun.Adapter.Init(config, log, send, recv, reject)
tun.icmpv6.Init(tun)
go func() {
for {
e := <-tun.Reconfigure
tun.config.Mutex.RLock()
updated := tun.config.Current.IfName != tun.config.Previous.IfName ||
tun.config.Current.IfTAPMode != tun.config.Previous.IfTAPMode ||
tun.config.Current.IfMTU != tun.config.Previous.IfMTU
tun.config.Mutex.RUnlock()
tun.Config.Mutex.RLock()
updated := tun.Config.Current.IfName != tun.Config.Previous.IfName ||
tun.Config.Current.IfTAPMode != tun.Config.Previous.IfTAPMode ||
tun.Config.Current.IfMTU != tun.Config.Previous.IfMTU
tun.Config.Mutex.RUnlock()
if updated {
tun.log.Warnln("Reconfiguring TUN/TAP is not supported yet")
tun.Log.Warnln("Reconfiguring TUN/TAP is not supported yet")
e <- nil
} else {
e <- nil
@ -125,34 +121,34 @@ func (tun *TunAdapter) Init(config *config.NodeState, log *log.Logger, send chan
func (tun *TunAdapter) Start(a address.Address, s address.Subnet) error {
tun.addr = a
tun.subnet = s
if tun.config == nil {
if tun.Config == nil {
return errors.New("No configuration available to TUN/TAP")
}
tun.config.Mutex.RLock()
ifname := tun.config.Current.IfName
iftapmode := tun.config.Current.IfTAPMode
tun.Config.Mutex.RLock()
ifname := tun.Config.Current.IfName
iftapmode := tun.Config.Current.IfTAPMode
addr := fmt.Sprintf("%s/%d", net.IP(tun.addr[:]).String(), 8*len(address.GetPrefix())-1)
mtu := tun.config.Current.IfMTU
tun.config.Mutex.RUnlock()
mtu := tun.Config.Current.IfMTU
tun.Config.Mutex.RUnlock()
if ifname != "none" {
if err := tun.setup(ifname, iftapmode, addr, mtu); err != nil {
return err
}
}
if ifname == "none" || ifname == "dummy" {
tun.log.Debugln("Not starting TUN/TAP as ifname is none or dummy")
tun.Log.Debugln("Not starting TUN/TAP as ifname is none or dummy")
return nil
}
tun.mutex.Lock()
tun.isOpen = true
tun.mutex.Unlock()
go func() {
tun.log.Debugln("Starting TUN/TAP reader goroutine")
tun.log.Errorln("WARNING: tun.read() exited with error:", tun.read())
tun.Log.Debugln("Starting TUN/TAP reader goroutine")
tun.Log.Errorln("WARNING: tun.read() exited with error:", tun.read())
}()
go func() {
tun.log.Debugln("Starting TUN/TAP writer goroutine")
tun.log.Errorln("WARNING: tun.write() exited with error:", tun.write())
tun.Log.Debugln("Starting TUN/TAP writer goroutine")
tun.Log.Errorln("WARNING: tun.write() exited with error:", tun.write())
}()
if iftapmode {
go func() {