yggdrasil-network/yggdrasil-go
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Remove config.NodeState (hot reconfig is no longer supported)

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This commit is contained in:
Neil Alexander 2021-06-02 14:19:32 +01:00
parent 978124dbb1
commit 166336a418
10 changed files with 63 additions and 102 deletions
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21
src/tuntap/tun.go
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@ -35,7 +35,7 @@ type MTU uint16
type TunAdapter struct {
core *core.Core
store keyStore
config *config.NodeState
config *config.NodeConfig
log *log.Logger
addr address.Address
subnet address.Subnet
@ -103,13 +103,17 @@ func MaximumMTU() uint64 {
// Init initialises the TUN module. You must have acquired a Listener from
// the Yggdrasil core before this point and it must not be in use elsewhere.
func (tun *TunAdapter) Init(core *core.Core, config *config.NodeState, log *log.Logger, options interface{}) error {
func (tun *TunAdapter) Init(core *core.Core, config *config.NodeConfig, log *log.Logger, options interface{}) error {
tun.core = core
tun.store.init(tun)
tun.config = config
tun.log = log
tun.proto.init(tun)
tun.proto.nodeinfo.setNodeInfo(config.Current.NodeInfo, config.Current.NodeInfoPrivacy)
tun.config.RLock()
if err := tun.proto.nodeinfo.setNodeInfo(tun.config.NodeInfo, tun.config.NodeInfoPrivacy); err != nil {
return fmt.Errorf("tun.proto.nodeinfo.setNodeInfo: %w", err)
}
tun.config.RUnlock()
if err := tun.core.SetOutOfBandHandler(tun.oobHandler); err != nil {
return fmt.Errorf("tun.core.SetOutOfBandHander: %w", err)
}
@ -130,7 +134,8 @@ func (tun *TunAdapter) _start() error {
if tun.isOpen {
return errors.New("TUN module is already started")
}
current := tun.config.GetCurrent()
tun.config.RLock()
defer tun.config.RUnlock()
if tun.config == nil {
return errors.New("no configuration available to TUN")
}
@ -139,21 +144,21 @@ func (tun *TunAdapter) _start() error {
tun.addr = *address.AddrForKey(pk)
tun.subnet = *address.SubnetForKey(pk)
addr := fmt.Sprintf("%s/%d", net.IP(tun.addr[:]).String(), 8*len(address.GetPrefix())-1)
if current.IfName == "none" || current.IfName == "dummy" {
if tun.config.IfName == "none" || tun.config.IfName == "dummy" {
tun.log.Debugln("Not starting TUN as ifname is none or dummy")
tun.isEnabled = false
go tun.write()
return nil
}
mtu := current.IfMTU
mtu := tun.config.IfMTU
if tun.maxSessionMTU() < mtu {
mtu = tun.maxSessionMTU()
}
if err := tun.setup(current.IfName, addr, mtu); err != nil {
if err := tun.setup(tun.config.IfName, addr, mtu); err != nil {
return err
}
if tun.MTU() != mtu {
tun.log.Warnf("Warning: Interface MTU %d automatically adjusted to %d (supported range is 1280-%d)", current.IfMTU, tun.MTU(), MaximumMTU())
tun.log.Warnf("Warning: Interface MTU %d automatically adjusted to %d (supported range is 1280-%d)", tun.config.IfMTU, tun.MTU(), MaximumMTU())
}
tun.isOpen = true
tun.isEnabled = true