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tun: windows: Make writing persistent too

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Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2019-03-22 12:44:14 +01:00
parent 9748a52073
commit a80db5e65e
1 changed files with 18 additions and 16 deletions
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34
tun/tun_windows.go
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@ -284,24 +284,26 @@ func (tun *NativeTun) Flush() error {
return nil return nil
} }
// Get TUN data pipe. for {
_, file, err := tun.getTUN() // Get TUN data pipe.
if err != nil { _, file, err := tun.getTUN()
return err if err != nil {
} return err
// Flush write buffer.
_, err = file.Write(tun.wrBuff.data[:tun.wrBuff.offset])
tun.wrBuff.packetNum = 0
tun.wrBuff.offset = 0
if err != nil {
if tun.shouldReopenHandle(err) {
tun.closeTUN()
return nil
} }
return err
// Flush write buffer.
_, err = file.Write(tun.wrBuff.data[:tun.wrBuff.offset])
tun.wrBuff.packetNum = 0
tun.wrBuff.offset = 0
if err != nil {
if tun.shouldReopenHandle(err) {
tun.closeTUN()
continue
}
return err
}
return nil
} }
return nil
} }
func (tun *NativeTun) putTunPacket(buff []byte) error { func (tun *NativeTun) putTunPacket(buff []byte) error {