mirror of https://github.com/v2fly/v2ray-core.git
79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
//go:build !confonly
|
|
// +build !confonly
|
|
|
|
package tun
|
|
|
|
import (
|
|
"context"
|
|
|
|
core "github.com/v2fly/v2ray-core/v5"
|
|
"github.com/v2fly/v2ray-core/v5/app/tun/device"
|
|
"github.com/v2fly/v2ray-core/v5/app/tun/device/tun"
|
|
"github.com/v2fly/v2ray-core/v5/common"
|
|
"github.com/v2fly/v2ray-core/v5/features/policy"
|
|
"github.com/v2fly/v2ray-core/v5/features/routing"
|
|
"gvisor.dev/gvisor/pkg/tcpip/stack"
|
|
)
|
|
|
|
//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen
|
|
|
|
type TUN struct {
|
|
ctx context.Context
|
|
dispatcher routing.Dispatcher
|
|
policyManager policy.Manager
|
|
config *Config
|
|
|
|
stack *stack.Stack
|
|
}
|
|
|
|
func (t *TUN) Type() interface{} {
|
|
return (*TUN)(nil)
|
|
}
|
|
|
|
func (t *TUN) Start() error {
|
|
DeviceConstructor := tun.New
|
|
device, err := DeviceConstructor(device.Options{
|
|
Name: t.config.Name,
|
|
MTU: t.config.Mtu,
|
|
})
|
|
if err != nil {
|
|
return newError("failed to create device").Base(err).AtError()
|
|
}
|
|
|
|
stack, err := t.CreateStack(device)
|
|
if err != nil {
|
|
return newError("failed to create stack").Base(err).AtError()
|
|
}
|
|
t.stack = stack
|
|
|
|
return nil
|
|
}
|
|
|
|
func (t *TUN) Close() error {
|
|
if t.stack != nil {
|
|
t.stack.Close()
|
|
t.stack.Wait()
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func NewTUN(ctx context.Context, config *Config, dispatcher routing.Dispatcher) *TUN {
|
|
v := core.MustFromContext(ctx)
|
|
return &TUN{
|
|
ctx: ctx,
|
|
dispatcher: dispatcher,
|
|
config: config,
|
|
policyManager: v.GetFeature(policy.ManagerType()).(policy.Manager),
|
|
}
|
|
}
|
|
|
|
func init() {
|
|
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
|
|
tun := core.RequireFeatures(ctx, func(d routing.Dispatcher) *TUN {
|
|
return NewTUN(ctx, config.(*Config), d)
|
|
})
|
|
|
|
return tun, nil
|
|
}))
|
|
}
|