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Improve: udp NAT type

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This commit is contained in:
Dreamacro
2020-01-31 14:43:54 +08:00
parent aa207ec664
commit 26ce3e8814
18 changed files with 71 additions and 108 deletions
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7
tunnel/connection.go
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@ -88,21 +88,18 @@ func (t *Tunnel) handleUDPToRemote(packet C.UDPPacket, pc net.PacketConn, addr n
DefaultManager.Upload() <- int64(len(packet.Data()))
}
func (t *Tunnel) handleUDPToLocal(packet C.UDPPacket, pc net.PacketConn, key string, omitSrcAddr bool, timeout time.Duration) {
func (t *Tunnel) handleUDPToLocal(packet C.UDPPacket, pc net.PacketConn, key string) {
buf := pool.BufPool.Get().([]byte)
defer pool.BufPool.Put(buf[:cap(buf)])
defer t.natTable.Delete(key)
defer pc.Close()
for {
pc.SetReadDeadline(time.Now().Add(timeout))
pc.SetReadDeadline(time.Now().Add(udpTimeout))
n, from, err := pc.ReadFrom(buf)
if err != nil {
return
}
if from != nil && omitSrcAddr {
from = nil
}
n, err = packet.WriteBack(buf[:n], from)
if err != nil {