mirror of https://github.com/v2fly/v2ray-core.git
133 lines
3.4 KiB
Go
133 lines
3.4 KiB
Go
package inbound
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//go:generate go run $GOPATH/src/v2ray.com/core/common/errors/errorgen/main.go -pkg inbound -path App,Proxyman,Inbound
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import (
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"context"
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"sync"
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"v2ray.com/core"
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"v2ray.com/core/app/proxyman"
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"v2ray.com/core/common"
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)
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// Manager is to manage all inbound handlers.
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type Manager struct {
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sync.RWMutex
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untaggedHandler []core.InboundHandler
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taggedHandlers map[string]core.InboundHandler
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}
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func New(ctx context.Context, config *proxyman.InboundConfig) (*Manager, error) {
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m := &Manager{
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taggedHandlers: make(map[string]core.InboundHandler),
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}
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v := core.FromContext(ctx)
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if v == nil {
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return nil, newError("V is not in context")
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}
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if err := v.RegisterFeature((*core.InboundHandlerManager)(nil), m); err != nil {
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return nil, newError("unable to register InboundHandlerManager").Base(err)
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}
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return m, nil
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}
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func (m *Manager) AddHandler(ctx context.Context, handler core.InboundHandler) error {
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m.Lock()
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defer m.Unlock()
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tag := handler.Tag()
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if len(tag) > 0 {
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m.taggedHandlers[tag] = handler
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} else {
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m.untaggedHandler = append(m.untaggedHandler, handler)
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}
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return nil
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}
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func (m *Manager) GetHandler(ctx context.Context, tag string) (core.InboundHandler, error) {
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m.RLock()
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defer m.RUnlock()
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handler, found := m.taggedHandlers[tag]
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if !found {
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return nil, newError("handler not found: ", tag)
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}
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return handler, nil
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}
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func (m *Manager) RemoveHandler(ctx context.Context, tag string) error {
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if len(tag) == 0 {
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return core.ErrNoClue
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}
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m.Lock()
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defer m.Unlock()
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if handler, found := m.taggedHandlers[tag]; found {
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handler.Close()
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delete(m.taggedHandlers, tag)
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return nil
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}
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return core.ErrNoClue
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}
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func (m *Manager) Start() error {
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for _, handler := range m.taggedHandlers {
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if err := handler.Start(); err != nil {
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return err
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}
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}
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for _, handler := range m.untaggedHandler {
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if err := handler.Start(); err != nil {
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return err
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}
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}
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return nil
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}
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func (m *Manager) Close() {
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for _, handler := range m.taggedHandlers {
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handler.Close()
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}
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for _, handler := range m.untaggedHandler {
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handler.Close()
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}
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}
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func NewHandler(ctx context.Context, config *core.InboundHandlerConfig) (core.InboundHandler, error) {
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rawReceiverSettings, err := config.ReceiverSettings.GetInstance()
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if err != nil {
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return nil, err
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}
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receiverSettings, ok := rawReceiverSettings.(*proxyman.ReceiverConfig)
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if !ok {
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return nil, newError("not a ReceiverConfig").AtError()
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}
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proxySettings, err := config.ProxySettings.GetInstance()
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if err != nil {
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return nil, err
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}
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tag := config.Tag
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allocStrategy := receiverSettings.AllocationStrategy
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if allocStrategy == nil || allocStrategy.Type == proxyman.AllocationStrategy_Always {
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return NewAlwaysOnInboundHandler(ctx, tag, receiverSettings, proxySettings)
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}
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if allocStrategy.Type == proxyman.AllocationStrategy_Random {
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return NewDynamicInboundHandler(ctx, tag, receiverSettings, proxySettings)
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}
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return nil, newError("unknown allocation strategy: ", receiverSettings.AllocationStrategy.Type).AtError()
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}
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func init() {
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common.Must(common.RegisterConfig((*proxyman.InboundConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
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return New(ctx, config.(*proxyman.InboundConfig))
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}))
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common.Must(common.RegisterConfig((*core.InboundHandlerConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
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return NewHandler(ctx, config.(*core.InboundHandlerConfig))
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}))
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}
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