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-rw-r--r--tun/tun.go12
-rw-r--r--tun/tun_darwin.go16
-rw-r--r--tun/tun_freebsd.go16
-rw-r--r--tun/tun_linux.go32
-rw-r--r--tun/tun_openbsd.go16
-rw-r--r--tun/tun_windows.go10
6 files changed, 51 insertions, 51 deletions
diff --git a/tun/tun.go b/tun/tun.go
index 12febb8..5395bdb 100644
--- a/tun/tun.go
+++ b/tun/tun.go
@@ -9,21 +9,21 @@ import (
"os"
)
-type TUNEvent int
+type Event int
const (
- TUNEventUp = 1 << iota
- TUNEventDown
- TUNEventMTUUpdate
+ EventUp = 1 << iota
+ EventDown
+ EventMTUUpdate
)
-type TUNDevice interface {
+type Device interface {
File() *os.File // returns the file descriptor of the device
Read([]byte, int) (int, error) // read a packet from the device (without any additional headers)
Write([]byte, int) (int, error) // writes a packet to the device (without any additional headers)
Flush() error // flush all previous writes to the device
MTU() (int, error) // returns the MTU of the device
Name() (string, error) // fetches and returns the current name
- Events() chan TUNEvent // returns a constant channel of events related to the device
+ Events() chan Event // returns a constant channel of events related to the device
Close() error // stops the device and closes the event channel
}
diff --git a/tun/tun_darwin.go b/tun/tun_darwin.go
index 8cd22a8..0815495 100644
--- a/tun/tun_darwin.go
+++ b/tun/tun_darwin.go
@@ -35,7 +35,7 @@ type sockaddrCtl struct {
type NativeTun struct {
name string
tunFile *os.File
- events chan TUNEvent
+ events chan Event
errors chan error
routeSocket int
}
@@ -86,22 +86,22 @@ func (tun *NativeTun) routineRouteListener(tunIfindex int) {
// Up / Down event
up := (iface.Flags & net.FlagUp) != 0
if up != statusUp && up {
- tun.events <- TUNEventUp
+ tun.events <- EventUp
}
if up != statusUp && !up {
- tun.events <- TUNEventDown
+ tun.events <- EventDown
}
statusUp = up
// MTU changes
if iface.MTU != statusMTU {
- tun.events <- TUNEventMTUUpdate
+ tun.events <- EventMTUUpdate
}
statusMTU = iface.MTU
}
}
-func CreateTUN(name string, mtu int) (TUNDevice, error) {
+func CreateTUN(name string, mtu int) (Device, error) {
ifIndex := -1
if name != "utun" {
_, err := fmt.Sscanf(name, "utun%d", &ifIndex)
@@ -171,10 +171,10 @@ func CreateTUN(name string, mtu int) (TUNDevice, error) {
return tun, err
}
-func CreateTUNFromFile(file *os.File, mtu int) (TUNDevice, error) {
+func CreateTUNFromFile(file *os.File, mtu int) (Device, error) {
tun := &NativeTun{
tunFile: file,
- events: make(chan TUNEvent, 10),
+ events: make(chan Event, 10),
errors: make(chan error, 5),
}
@@ -244,7 +244,7 @@ func (tun *NativeTun) File() *os.File {
return tun.tunFile
}
-func (tun *NativeTun) Events() chan TUNEvent {
+func (tun *NativeTun) Events() chan Event {
return tun.events
}
diff --git a/tun/tun_freebsd.go b/tun/tun_freebsd.go
index df43ab7..6cf9313 100644
--- a/tun/tun_freebsd.go
+++ b/tun/tun_freebsd.go
@@ -79,7 +79,7 @@ type in6_ndireq struct {
type NativeTun struct {
name string
tunFile *os.File
- events chan TUNEvent
+ events chan Event
errors chan error
routeSocket int
}
@@ -125,16 +125,16 @@ func (tun *NativeTun) routineRouteListener(tunIfindex int) {
// Up / Down event
up := (iface.Flags & net.FlagUp) != 0
if up != statusUp && up {
- tun.events <- TUNEventUp
+ tun.events <- EventUp
}
if up != statusUp && !up {
- tun.events <- TUNEventDown
+ tun.events <- EventDown
}
statusUp = up
// MTU changes
if iface.MTU != statusMTU {
- tun.events <- TUNEventMTUUpdate
+ tun.events <- EventMTUUpdate
}
statusMTU = iface.MTU
}
@@ -246,7 +246,7 @@ func tunDestroy(name string) error {
return nil
}
-func CreateTUN(name string, mtu int) (TUNDevice, error) {
+func CreateTUN(name string, mtu int) (Device, error) {
if len(name) > unix.IFNAMSIZ-1 {
return nil, errors.New("interface name too long")
}
@@ -365,11 +365,11 @@ func CreateTUN(name string, mtu int) (TUNDevice, error) {
return CreateTUNFromFile(tunFile, mtu)
}
-func CreateTUNFromFile(file *os.File, mtu int) (TUNDevice, error) {
+func CreateTUNFromFile(file *os.File, mtu int) (Device, error) {
tun := &NativeTun{
tunFile: file,
- events: make(chan TUNEvent, 10),
+ events: make(chan Event, 10),
errors: make(chan error, 1),
}
@@ -425,7 +425,7 @@ func (tun *NativeTun) File() *os.File {
return tun.tunFile
}
-func (tun *NativeTun) Events() chan TUNEvent {
+func (tun *NativeTun) Events() chan Event {
return tun.events
}
diff --git a/tun/tun_linux.go b/tun/tun_linux.go
index 2168f5b..61902e9 100644
--- a/tun/tun_linux.go
+++ b/tun/tun_linux.go
@@ -31,11 +31,11 @@ const (
type NativeTun struct {
tunFile *os.File
- index int32 // if index
- name string // name of interface
- errors chan error // async error handling
- events chan TUNEvent // device related events
- nopi bool // the device was pased IFF_NO_PI
+ index int32 // if index
+ name string // name of interface
+ errors chan error // async error handling
+ events chan Event // device related events
+ nopi bool // the device was pased IFF_NO_PI
netlinkSock int
netlinkCancel *rwcancel.RWCancel
hackListenerClosed sync.Mutex
@@ -64,9 +64,9 @@ func (tun *NativeTun) routineHackListener() {
}
switch err {
case unix.EINVAL:
- tun.events <- TUNEventUp
+ tun.events <- EventUp
case unix.EIO:
- tun.events <- TUNEventDown
+ tun.events <- EventDown
default:
return
}
@@ -148,14 +148,14 @@ func (tun *NativeTun) routineNetlinkListener() {
}
if info.Flags&unix.IFF_RUNNING != 0 {
- tun.events <- TUNEventUp
+ tun.events <- EventUp
}
if info.Flags&unix.IFF_RUNNING == 0 {
- tun.events <- TUNEventDown
+ tun.events <- EventDown
}
- tun.events <- TUNEventMTUUpdate
+ tun.events <- EventMTUUpdate
default:
remain = remain[hdr.Len:]
@@ -342,7 +342,7 @@ func (tun *NativeTun) Read(buff []byte, offset int) (int, error) {
}
}
-func (tun *NativeTun) Events() chan TUNEvent {
+func (tun *NativeTun) Events() chan Event {
return tun.events
}
@@ -364,7 +364,7 @@ func (tun *NativeTun) Close() error {
return err2
}
-func CreateTUN(name string, mtu int) (TUNDevice, error) {
+func CreateTUN(name string, mtu int) (Device, error) {
nfd, err := unix.Open(cloneDevicePath, os.O_RDWR, 0)
if err != nil {
return nil, err
@@ -400,10 +400,10 @@ func CreateTUN(name string, mtu int) (TUNDevice, error) {
return CreateTUNFromFile(fd, mtu)
}
-func CreateTUNFromFile(file *os.File, mtu int) (TUNDevice, error) {
+func CreateTUNFromFile(file *os.File, mtu int) (Device, error) {
tun := &NativeTun{
tunFile: file,
- events: make(chan TUNEvent, 5),
+ events: make(chan Event, 5),
errors: make(chan error, 5),
statusListenersShutdown: make(chan struct{}),
nopi: false,
@@ -445,7 +445,7 @@ func CreateTUNFromFile(file *os.File, mtu int) (TUNDevice, error) {
return tun, nil
}
-func CreateUnmonitoredTUNFromFD(fd int) (TUNDevice, string, error) {
+func CreateUnmonitoredTUNFromFD(fd int) (Device, string, error) {
err := unix.SetNonblock(fd, true)
if err != nil {
return nil, "", err
@@ -453,7 +453,7 @@ func CreateUnmonitoredTUNFromFD(fd int) (TUNDevice, string, error) {
file := os.NewFile(uintptr(fd), "/dev/tun")
tun := &NativeTun{
tunFile: file,
- events: make(chan TUNEvent, 5),
+ events: make(chan Event, 5),
errors: make(chan error, 5),
nopi: true,
}
diff --git a/tun/tun_openbsd.go b/tun/tun_openbsd.go
index b0f5ca4..1e6191f 100644
--- a/tun/tun_openbsd.go
+++ b/tun/tun_openbsd.go
@@ -29,7 +29,7 @@ const _TUNSIFMODE = 0x8004745d
type NativeTun struct {
name string
tunFile *os.File
- events chan TUNEvent
+ events chan Event
errors chan error
routeSocket int
}
@@ -75,16 +75,16 @@ func (tun *NativeTun) routineRouteListener(tunIfindex int) {
// Up / Down event
up := (iface.Flags & net.FlagUp) != 0
if up != statusUp && up {
- tun.events <- TUNEventUp
+ tun.events <- EventUp
}
if up != statusUp && !up {
- tun.events <- TUNEventDown
+ tun.events <- EventDown
}
statusUp = up
// MTU changes
if iface.MTU != statusMTU {
- tun.events <- TUNEventMTUUpdate
+ tun.events <- EventMTUUpdate
}
statusMTU = iface.MTU
}
@@ -100,7 +100,7 @@ func errorIsEBUSY(err error) bool {
return false
}
-func CreateTUN(name string, mtu int) (TUNDevice, error) {
+func CreateTUN(name string, mtu int) (Device, error) {
ifIndex := -1
if name != "tun" {
_, err := fmt.Sscanf(name, "tun%d", &ifIndex)
@@ -139,11 +139,11 @@ func CreateTUN(name string, mtu int) (TUNDevice, error) {
return tun, err
}
-func CreateTUNFromFile(file *os.File, mtu int) (TUNDevice, error) {
+func CreateTUNFromFile(file *os.File, mtu int) (Device, error) {
tun := &NativeTun{
tunFile: file,
- events: make(chan TUNEvent, 10),
+ events: make(chan Event, 10),
errors: make(chan error, 1),
}
@@ -197,7 +197,7 @@ func (tun *NativeTun) File() *os.File {
return tun.tunFile
}
-func (tun *NativeTun) Events() chan TUNEvent {
+func (tun *NativeTun) Events() chan Event {
return tun.events
}
diff --git a/tun/tun_windows.go b/tun/tun_windows.go
index 4850bb5..b88129d 100644
--- a/tun/tun_windows.go
+++ b/tun/tun_windows.go
@@ -46,7 +46,7 @@ type NativeTun struct {
close bool
rdBuff *exchgBufRead
wrBuff *exchgBufWrite
- events chan TUNEvent
+ events chan Event
errors chan error
forcedMTU int
}
@@ -59,7 +59,7 @@ func packetAlign(size uint32) uint32 {
// CreateTUN creates a Wintun adapter with the given name. Should a Wintun
// adapter with the same name exist, it is reused.
//
-func CreateTUN(ifname string) (TUNDevice, error) {
+func CreateTUN(ifname string) (Device, error) {
return CreateTUNWithRequestedGUID(ifname, nil)
}
@@ -67,7 +67,7 @@ func CreateTUN(ifname string) (TUNDevice, error) {
// CreateTUNWithRequestedGUID creates a Wintun adapter with the given name and
// a requested GUID. Should a Wintun adapter with the same name exist, it is reused.
//
-func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID) (TUNDevice, error) {
+func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID) (Device, error) {
var err error
var wt *wintun.Wintun
@@ -97,7 +97,7 @@ func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID) (TUN
wt: wt,
rdBuff: &exchgBufRead{},
wrBuff: &exchgBufWrite{},
- events: make(chan TUNEvent, 10),
+ events: make(chan Event, 10),
errors: make(chan error, 1),
forcedMTU: 1500,
}, nil
@@ -202,7 +202,7 @@ func (tun *NativeTun) File() *os.File {
return nil
}
-func (tun *NativeTun) Events() chan TUNEvent {
+func (tun *NativeTun) Events() chan Event {
return tun.events
}