diff options
author | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-03-03 04:04:41 +0100 |
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committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-03-03 05:00:40 +0100 |
commit | 69f0fe67b63d90e523a5a1241fb1b46c2e8dbe03 (patch) | |
tree | 1ef86da3242afde462dcadb7241bb09f499d5bd7 /tun.go | |
parent | d435be35cac49af9367b2005d831d55e570c4b1b (diff) |
global: begin modularization
Diffstat (limited to 'tun.go')
-rw-r--r-- | tun.go | 55 |
1 files changed, 0 insertions, 55 deletions
@@ -1,55 +0,0 @@ -/* SPDX-License-Identifier: MIT - * - * Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved. - */ - -package main - -import ( - "golang.zx2c4.com/wireguard/tun" - "sync/atomic" -) - -const DefaultMTU = 1420 - -func (device *Device) RoutineTUNEventReader() { - setUp := false - logDebug := device.log.Debug - logInfo := device.log.Info - logError := device.log.Error - - logDebug.Println("Routine: event worker - started") - device.state.starting.Done() - - for event := range device.tun.device.Events() { - if event&tun.TUNEventMTUUpdate != 0 { - mtu, err := device.tun.device.MTU() - old := atomic.LoadInt32(&device.tun.mtu) - if err != nil { - logError.Println("Failed to load updated MTU of device:", err) - } else if int(old) != mtu { - if mtu+MessageTransportSize > MaxMessageSize { - logInfo.Println("MTU updated:", mtu, "(too large)") - } else { - logInfo.Println("MTU updated:", mtu) - } - atomic.StoreInt32(&device.tun.mtu, int32(mtu)) - } - } - - if event&tun.TUNEventUp != 0 && !setUp { - logInfo.Println("Interface set up") - setUp = true - device.Up() - } - - if event&tun.TUNEventDown != 0 && setUp { - logInfo.Println("Interface set down") - setUp = false - device.Down() - } - } - - logDebug.Println("Routine: event worker - stopped") - device.state.stopping.Done() -} |