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v2fly/app/subscription/subscriptionmanager/manager.go
2023-11-26 10:55:27 +00:00

104 lines
3.0 KiB
Go

package subscriptionmanager
import (
"archive/zip"
"bytes"
"context"
"time"
core "github.com/v2fly/v2ray-core/v5"
"github.com/v2fly/v2ray-core/v5/app/subscription"
"github.com/v2fly/v2ray-core/v5/app/subscription/entries"
"github.com/v2fly/v2ray-core/v5/app/subscription/entries/nonnative/nonnativeifce"
"github.com/v2fly/v2ray-core/v5/common"
"github.com/v2fly/v2ray-core/v5/common/task"
"github.com/v2fly/v2ray-core/v5/features/extension"
)
//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen
type SubscriptionManagerImpl struct {
config *subscription.Config
ctx context.Context
s *core.Instance
converter *entries.ConverterRegistry
trackedSubscriptions map[string]*trackedSubscription
refreshTask *task.Periodic
}
func (s *SubscriptionManagerImpl) Type() interface{} {
return extension.SubscriptionManagerType()
}
func (s *SubscriptionManagerImpl) housekeeping() error {
for subscriptionName := range s.trackedSubscriptions {
if err := s.checkupSubscription(subscriptionName); err != nil {
newError("failed to checkup subscription: ", err).AtWarning().WriteToLog()
}
}
return nil
}
func (s *SubscriptionManagerImpl) Start() error {
if err := s.refreshTask.Start(); err != nil {
return err
}
return nil
}
func (s *SubscriptionManagerImpl) Close() error {
if err := s.refreshTask.Close(); err != nil {
return err
}
return nil
}
func (s *SubscriptionManagerImpl) init() error {
s.refreshTask = &task.Periodic{
Interval: time.Duration(60) * time.Second,
Execute: s.housekeeping,
}
s.trackedSubscriptions = make(map[string]*trackedSubscription)
s.converter = entries.GetOverlayConverterRegistry()
if s.config.NonnativeConverterOverlay != nil {
zipReader, err := zip.NewReader(bytes.NewReader(s.config.NonnativeConverterOverlay), int64(len(s.config.NonnativeConverterOverlay)))
if err != nil {
return newError("failed to read nonnative converter overlay: ", err)
}
converter, err := nonnativeifce.NewNonNativeConverterConstructor(zipReader)
if err != nil {
return newError("failed to construct nonnative converter: ", err)
}
if err := s.converter.RegisterConverter("user_nonnative", converter); err != nil {
return newError("failed to register user nonnative converter: ", err)
}
}
for _, v := range s.config.Imports {
tracked, err := newTrackedSubscription(v)
if err != nil {
return newError("failed to init subscription ", v.Name, ": ", err)
}
s.trackedSubscriptions[v.Name] = tracked
}
return nil
}
func NewSubscriptionManager(ctx context.Context, config *subscription.Config) (*SubscriptionManagerImpl, error) {
instance := core.MustFromContext(ctx)
impl := &SubscriptionManagerImpl{ctx: ctx, s: instance, config: config}
if err := impl.init(); err != nil {
return nil, newError("failed to init subscription manager: ", err)
}
return impl, nil
}
func init() {
common.Must(common.RegisterConfig((*subscription.Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return NewSubscriptionManager(ctx, config.(*subscription.Config))
}))
}