yggdrasil-network/yggdrasil-go
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Allow setting IfName to 'none' to run without TUN/TAP

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This commit is contained in:
Neil Alexander 2018-02-15 22:29:13 +00:00
parent 120ce8bd2f
commit 02473158d4
3 changed files with 17 additions and 5 deletions
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10
src/yggdrasil/debug.go
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@ -212,11 +212,13 @@ func (c *Core) DEBUG_startTun(ifname string, iftapmode bool) {
func (c *Core) DEBUG_startTunWithMTU(ifname string, iftapmode bool, mtu int) {
addr := c.DEBUG_getAddr()
straddr := fmt.Sprintf("%s/%v", net.IP(addr[:]).String(), 8*len(address_prefix))
err := c.tun.setup(ifname, iftapmode, straddr, mtu)
if err != nil {
panic(err)
if ifname != "none" {
err := c.tun.setup(ifname, iftapmode, straddr, mtu)
if err != nil {
panic(err)
}
go c.tun.read()
}
go c.tun.read()
go c.tun.write()
}

6
src/yggdrasil/tun.go
View file

@ -33,6 +33,9 @@ func (tun *tunDevice) init(core *Core) {
func (tun *tunDevice) write() error {
for {
data := <-tun.recv
if tun.iface == nil {
continue
}
if tun.iface.IsTAP() {
var frame ethernet.Frame
frame.Prepare(
@ -88,5 +91,8 @@ func (tun *tunDevice) read() error {
}
func (tun *tunDevice) close() error {
if tun.iface == nil {
return nil
}
return tun.iface.Close()
}