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interface: add interface mods, types and more

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This commit is contained in:
Sudo-Ivan
2024-12-31 11:22:37 -06:00
parent f2c146b7c5
commit 3ed2c67742
3 changed files with 167 additions and 116 deletions
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169
pkg/interfaces/interface.go
View File

@@ -13,13 +13,23 @@ import (
const (
BITRATE_MINIMUM = 5 // Minimum required bitrate in bits/sec
MODE_FULL = 0x01
// Interface modes
MODE_GATEWAY = 0x02
MODE_ACCESS_POINT = 0x03
MODE_ROAMING = 0x04
MODE_BOUNDARY = 0x05
// Interface types
TYPE_UDP = 0x01
TYPE_TCP = 0x02
)
type Interface interface {
GetName() string
GetType() common.InterfaceType
GetMode() common.InterfaceMode
IsOnline() bool
IsOnline() bool
IsDetached() bool
IsEnabled() bool
Detach()
@@ -28,43 +38,65 @@ type Interface interface {
Send(data []byte, addr string) error
SetPacketCallback(common.PacketCallback)
GetPacketCallback() common.PacketCallback
ProcessIncoming([]byte)
ProcessOutgoing([]byte) error
SendPathRequest([]byte) error
SendLinkPacket([]byte, []byte, time.Time) error
Start() error
Stop() error
GetMTU() int
GetConn() net.Conn
}
type BaseInterface struct {
common.BaseInterface
name string
mode common.InterfaceMode
ifType common.InterfaceType
online bool
enabled bool
detached bool
mtu int
Name string
Mode common.InterfaceMode
Type common.InterfaceType
Online bool
Enabled bool
Detached bool
IN bool
OUT bool
MTU int
Bitrate int64
TxBytes uint64
RxBytes uint64
mutex sync.RWMutex
packetCallback common.PacketCallback
}
func NewBaseInterface(name string, ifType common.InterfaceType, enabled bool) BaseInterface {
return BaseInterface{
name: name,
mode: common.IF_MODE_FULL,
ifType: ifType,
online: false,
enabled: enabled,
detached: false,
mtu: common.DEFAULT_MTU,
Name: name,
Mode: common.IF_MODE_FULL,
Type: ifType,
Online: false,
Enabled: enabled,
Detached: false,
IN: false,
OUT: false,
MTU: common.DEFAULT_MTU,
Bitrate: BITRATE_MINIMUM,
}
}
func (i *BaseInterface) SetPacketCallback(callback common.PacketCallback) {
i.Mutex.Lock()
defer i.Mutex.Unlock()
i.PacketCallback = callback
i.mutex.Lock()
defer i.mutex.Unlock()
i.packetCallback = callback
}
func (i *BaseInterface) GetPacketCallback() common.PacketCallback {
i.mutex.RLock()
defer i.mutex.RUnlock()
return i.packetCallback
}
func (i *BaseInterface) ProcessIncoming(data []byte) {
i.Mutex.RLock()
callback := i.PacketCallback
i.Mutex.RUnlock()
i.mutex.RLock()
callback := i.packetCallback
i.mutex.RUnlock()
if callback != nil {
callback(data, i)
@@ -74,24 +106,20 @@ func (i *BaseInterface) ProcessIncoming(data []byte) {
}
func (i *BaseInterface) ProcessOutgoing(data []byte) error {
if !i.Online || i.Detached {
return fmt.Errorf("interface offline or detached")
}
i.TxBytes += uint64(len(data))
return nil
}
func (i *BaseInterface) Detach() {
i.Mutex.Lock()
defer i.Mutex.Unlock()
i.Detached = true
i.Online = false
}
func (i *BaseInterface) SendPathRequest(packet []byte) error {
if !i.Online || i.Detached {
return fmt.Errorf("interface offline or detached")
}
frame := make([]byte, 0, len(packet)+2)
frame = append(frame, 0x01)
frame := make([]byte, 0, len(packet)+1)
frame = append(frame, 0x01) // Path request type
frame = append(frame, packet...)
return i.ProcessOutgoing(frame)
@@ -103,32 +131,46 @@ func (i *BaseInterface) SendLinkPacket(dest []byte, data []byte, timestamp time.
}
frame := make([]byte, 0, len(dest)+len(data)+9)
frame = append(frame, 0x02)
frame = append(frame, 0x02) // Link packet type
frame = append(frame, dest...)
ts := make([]byte, 8)
binary.BigEndian.PutUint64(ts, uint64(timestamp.Unix()))
frame = append(frame, ts...)
frame = append(frame, data...)
return i.ProcessOutgoing(frame)
}
func (i *BaseInterface) Start() error {
return nil
func (i *BaseInterface) Detach() {
i.mutex.Lock()
defer i.mutex.Unlock()
i.Detached = true
i.Online = false
}
func (i *BaseInterface) Stop() error {
return nil
func (i *BaseInterface) IsEnabled() bool {
i.mutex.RLock()
defer i.mutex.RUnlock()
return i.Enabled && i.Online && !i.Detached
}
func (i *BaseInterface) Send(data []byte, address string) error {
return i.ProcessOutgoing(data)
func (i *BaseInterface) Enable() {
i.mutex.Lock()
defer i.mutex.Unlock()
i.Enabled = true
i.Online = true
}
func (i *BaseInterface) Receive() ([]byte, string, error) {
return nil, "", nil
func (i *BaseInterface) Disable() {
i.mutex.Lock()
defer i.mutex.Unlock()
i.Enabled = false
i.Online = false
}
func (i *BaseInterface) GetName() string {
return i.Name
}
func (i *BaseInterface) GetType() common.InterfaceType {
@@ -143,30 +185,31 @@ func (i *BaseInterface) GetMTU() int {
return i.MTU
}
func (i *BaseInterface) GetName() string {
return i.Name
func (i *BaseInterface) IsOnline() bool {
i.mutex.RLock()
defer i.mutex.RUnlock()
return i.Online
}
func (i *BaseInterface) IsDetached() bool {
i.mutex.RLock()
defer i.mutex.RUnlock()
return i.Detached
}
// Default implementations that should be overridden by specific interfaces
func (i *BaseInterface) Start() error {
return nil
}
func (i *BaseInterface) Stop() error {
return nil
}
func (i *BaseInterface) Send(data []byte, address string) error {
return i.ProcessOutgoing(data)
}
func (i *BaseInterface) GetConn() net.Conn {
return nil
}
func (i *BaseInterface) IsEnabled() bool {
i.mutex.RLock()
defer i.mutex.RUnlock()
return i.enabled && i.online && !i.detached
}
func (i *BaseInterface) Enable() {
i.mutex.Lock()
defer i.mutex.Unlock()
i.enabled = true
i.online = true
}
func (i *BaseInterface) Disable() {
i.mutex.Lock()
defer i.mutex.Unlock()
i.enabled = false
i.online = false
}

67
pkg/interfaces/tcp.go
View File

@@ -41,9 +41,7 @@ type TCPClientInterface struct {
maxReconnectTries int
packetBuffer []byte
packetType byte
packetCallback common.PacketCallback
mutex sync.RWMutex
detached bool
enabled bool
}
@@ -65,7 +63,7 @@ func NewTCPClient(name string, targetHost string, targetPort int, kissFraming bo
return nil, err
}
tc.conn = conn
tc.online = true
tc.Online = true
}
return tc, nil
@@ -75,12 +73,12 @@ func (tc *TCPClientInterface) Start() error {
tc.mutex.Lock()
defer tc.mutex.Unlock()
if !tc.enabled {
if !tc.Enabled {
return fmt.Errorf("interface not enabled")
}
if tc.conn != nil {
tc.online = true
tc.Online = true
return nil
}
@@ -90,7 +88,7 @@ func (tc *TCPClientInterface) Start() error {
return err
}
tc.conn = conn
tc.online = true
tc.Online = true
return nil
}
@@ -254,7 +252,7 @@ func (tc *TCPClientInterface) SetPacketCallback(cb common.PacketCallback) {
func (tc *TCPClientInterface) IsEnabled() bool {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
return tc.enabled && tc.online && !tc.detached
return tc.enabled && tc.Online && !tc.Detached
}
func (tc *TCPClientInterface) GetName() string {
@@ -270,13 +268,13 @@ func (tc *TCPClientInterface) GetPacketCallback() common.PacketCallback {
func (tc *TCPClientInterface) IsDetached() bool {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
return tc.detached
return tc.Detached
}
func (tc *TCPClientInterface) IsOnline() bool {
tc.mutex.RLock()
defer tc.mutex.RUnlock()
return tc.online
return tc.Online
}
func (tc *TCPClientInterface) reconnect() {
@@ -297,7 +295,7 @@ func (tc *TCPClientInterface) reconnect() {
if err == nil {
tc.mutex.Lock()
tc.conn = conn
tc.online = true
tc.Online = true
tc.neverConnected = false
tc.reconnecting = false
tc.mutex.Unlock()
@@ -325,13 +323,13 @@ func (tc *TCPClientInterface) reconnect() {
func (tc *TCPClientInterface) Enable() {
tc.mutex.Lock()
defer tc.mutex.Unlock()
tc.online = true
tc.Online = true
}
func (tc *TCPClientInterface) Disable() {
tc.mutex.Lock()
defer tc.mutex.Unlock()
tc.online = false
tc.Online = false
}
type TCPServerInterface struct {
@@ -344,18 +342,17 @@ type TCPServerInterface struct {
kissFraming bool
i2pTunneled bool
packetCallback common.PacketCallback
detached bool
}
func NewTCPServer(name string, bindAddr string, bindPort int, kissFraming bool, i2pTunneled bool, preferIPv6 bool) (*TCPServerInterface, error) {
ts := &TCPServerInterface{
BaseInterface: BaseInterface{
name: name,
mode: common.IF_MODE_FULL,
ifType: common.IF_TYPE_TCP,
online: false,
mtu: common.DEFAULT_MTU,
detached: false,
Name: name,
Mode: common.IF_MODE_FULL,
Type: common.IF_TYPE_TCP,
Online: false,
MTU: common.DEFAULT_MTU,
Detached: false,
},
connections: make(map[string]net.Conn),
bindAddr: bindAddr,
@@ -377,7 +374,7 @@ func (ts *TCPServerInterface) String() string {
addr = "0.0.0.0"
}
}
return fmt.Sprintf("TCPServerInterface[%s/%s:%d]", ts.name, addr, ts.bindPort)
return fmt.Sprintf("TCPServerInterface[%s/%s:%d]", ts.Name, addr, ts.bindPort)
}
func (ts *TCPServerInterface) SetPacketCallback(callback common.PacketCallback) {
@@ -393,33 +390,51 @@ func (ts *TCPServerInterface) GetPacketCallback() common.PacketCallback {
}
func (ts *TCPServerInterface) IsEnabled() bool {
return ts.online
ts.mutex.RLock()
defer ts.mutex.RUnlock()
return ts.BaseInterface.Enabled && ts.BaseInterface.Online && !ts.BaseInterface.Detached
}
func (ts *TCPServerInterface) GetName() string {
return ts.name
return ts.Name
}
func (ts *TCPServerInterface) IsDetached() bool {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
return ts.detached
return ts.BaseInterface.Detached
}
func (ts *TCPServerInterface) IsOnline() bool {
ts.mutex.RLock()
defer ts.mutex.RUnlock()
return ts.online
return ts.Online
}
func (ts *TCPServerInterface) Enable() {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.online = true
ts.Online = true
}
func (ts *TCPServerInterface) Disable() {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.online = false
ts.Online = false
}
func (ts *TCPServerInterface) Start() error {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.Online = true
return nil
}
func (ts *TCPServerInterface) Stop() error {
ts.mutex.Lock()
defer ts.mutex.Unlock()
ts.Online = false
return nil
}

47
pkg/interfaces/udp.go
View File

@@ -16,11 +16,6 @@ type UDPInterface struct {
targetAddr *net.UDPAddr
mutex sync.RWMutex
readBuffer []byte
txBytes uint64
rxBytes uint64
mtu int
bitrate int
enabled bool
}
func NewUDPInterface(name string, addr string, target string, enabled bool) (*UDPInterface, error) {
@@ -39,44 +34,42 @@ func NewUDPInterface(name string, addr string, target string, enabled bool) (*UD
ui := &UDPInterface{
BaseInterface: NewBaseInterface(name, common.IF_TYPE_UDP, enabled),
addr: udpAddr,
targetAddr: targetAddr,
readBuffer: make([]byte, common.DEFAULT_MTU),
mtu: common.DEFAULT_MTU,
enabled: enabled,
addr: udpAddr,
targetAddr: targetAddr,
readBuffer: make([]byte, common.DEFAULT_MTU),
}
return ui, nil
}
func (ui *UDPInterface) GetName() string {
return ui.name
return ui.Name
}
func (ui *UDPInterface) GetType() common.InterfaceType {
return ui.ifType
return ui.Type
}
func (ui *UDPInterface) GetMode() common.InterfaceMode {
return ui.mode
return ui.Mode
}
func (ui *UDPInterface) IsOnline() bool {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.online
return ui.Online
}
func (ui *UDPInterface) IsDetached() bool {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.detached
return ui.Detached
}
func (ui *UDPInterface) Detach() {
ui.mutex.Lock()
defer ui.mutex.Unlock()
ui.detached = true
ui.Detached = true
if ui.conn != nil {
ui.conn.Close()
}
@@ -128,7 +121,7 @@ func (ui *UDPInterface) ProcessOutgoing(data []byte) error {
}
ui.mutex.Lock()
ui.txBytes += uint64(len(data))
ui.TxBytes += uint64(len(data))
ui.mutex.Unlock()
return nil
@@ -141,33 +134,33 @@ func (ui *UDPInterface) GetConn() net.Conn {
func (ui *UDPInterface) GetTxBytes() uint64 {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.txBytes
return ui.TxBytes
}
func (ui *UDPInterface) GetRxBytes() uint64 {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.rxBytes
return ui.RxBytes
}
func (ui *UDPInterface) GetMTU() int {
return ui.mtu
return ui.MTU
}
func (ui *UDPInterface) GetBitrate() int {
return ui.bitrate
return int(ui.Bitrate)
}
func (ui *UDPInterface) Enable() {
ui.mutex.Lock()
defer ui.mutex.Unlock()
ui.online = true
ui.Online = true
}
func (ui *UDPInterface) Disable() {
ui.mutex.Lock()
defer ui.mutex.Unlock()
ui.online = false
ui.Online = false
}
func (ui *UDPInterface) Start() error {
@@ -176,12 +169,12 @@ func (ui *UDPInterface) Start() error {
return err
}
ui.conn = conn
ui.online = true
ui.Online = true
return nil
}
func (ui *UDPInterface) readLoop() {
buffer := make([]byte, ui.mtu)
buffer := make([]byte, ui.MTU)
for {
if ui.IsDetached() {
return
@@ -196,7 +189,7 @@ func (ui *UDPInterface) readLoop() {
}
ui.mutex.Lock()
ui.rxBytes += uint64(n)
ui.RxBytes += uint64(n)
ui.mutex.Unlock()
log.Printf("Received %d bytes from %s", n, addr.String())
@@ -210,5 +203,5 @@ func (ui *UDPInterface) readLoop() {
func (ui *UDPInterface) IsEnabled() bool {
ui.mutex.RLock()
defer ui.mutex.RUnlock()
return ui.enabled && ui.online && !ui.detached
return ui.Enabled && ui.Online && !ui.Detached
}