yggdrasil-network/yggdrasil-go
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Clean up router, tweaks

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Neil Alexander 2019-04-22 23:12:13 +01:00
parent 6e528799e9
commit e1a2d666bf
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GPG key ID: A02A2019A2BB0944
3 changed files with 28 additions and 107 deletions
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14
src/tuntap/tun.go
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@ -2,6 +2,12 @@ package tuntap
// This manages the tun driver to send/recv packets to/from applications
// TODO: Crypto-key routing
// TODO: Set MTU of session properly
// TODO: Reject packets that exceed session MTU
// TODO: Connection timeouts (call Close() when done)
// TODO: Keep packet that was used to set up a session and send it when done
import (
"encoding/hex"
"errors"
@ -38,9 +44,9 @@ type TunAdapter struct {
icmpv6 ICMPv6
mtu int
iface *water.Interface
mutex sync.RWMutex // Protects the below
addrToConn map[address.Address]*yggdrasil.Conn
subnetToConn map[address.Subnet]*yggdrasil.Conn
mutex sync.RWMutex // Protects the below
addrToConn map[address.Address]*yggdrasil.Conn // Managed by connReader
subnetToConn map[address.Subnet]*yggdrasil.Conn // Managed by connReader
isOpen bool
}
@ -312,7 +318,7 @@ func (tun *TunAdapter) ifaceReader() error {
}
}
// If we have a connection now, try writing to it
if conn != nil {
if isIn && conn != nil {
// If we have an open connection, either because we already had one or
// because we opened one above, try writing the packet to it
w, err := conn.Write(bs[:n])