yggdrasil-network/yggdrasil-go
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mostly finish migration of IP stuff to core, tuntap is still responsible for ICMP PacketTooBig

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This commit is contained in:
Arceliar 2021-06-13 04:54:06 -05:00
parent 1147ee1934
commit 816356ea65
7 changed files with 114 additions and 185 deletions
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21
src/tuntap/tun.go
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@ -9,7 +9,6 @@ package tuntap
// TODO: Don't block in reader on writes that are pending searches
import (
"crypto/ed25519"
"errors"
"fmt"
"net"
@ -34,7 +33,6 @@ type MTU uint16
// calling yggdrasil.Start().
type TunAdapter struct {
core *core.Core
store keyStore
config *config.NodeConfig
log *log.Logger
addr address.Address
@ -45,7 +43,6 @@ type TunAdapter struct {
//mutex sync.RWMutex // Protects the below
isOpen bool
isEnabled bool // Used by the writer to drop sessionTraffic if not enabled
proto protoHandler
}
// Gets the maximum supported MTU for the platform based on the defaults in
@ -98,18 +95,8 @@ func MaximumMTU() uint64 {
// the Yggdrasil core before this point and it must not be in use elsewhere.
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.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)
}
return nil
}
@ -132,8 +119,7 @@ func (tun *TunAdapter) _start() error {
if tun.config == nil {
return errors.New("no configuration available to TUN")
}
sk := tun.core.PrivateKey()
pk := sk.Public().(ed25519.PublicKey)
pk := tun.core.PublicKey()
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)
@ -144,8 +130,8 @@ func (tun *TunAdapter) _start() error {
return nil
}
mtu := tun.config.IfMTU
if tun.maxSessionMTU() < mtu {
mtu = tun.maxSessionMTU()
if tun.core.MaxMTU() < mtu {
mtu = tun.core.MaxMTU()
}
if err := tun.setup(tun.config.IfName, addr, mtu); err != nil {
return err
@ -188,4 +174,3 @@ func (tun *TunAdapter) _stop() error {
}
return nil
}