package v2rayapi import ( "context" "net" "regexp" "runtime" "strings" "sync" "time" "github.com/sagernet/sing-box/adapter" "github.com/sagernet/sing-box/experimental/trackerconn" "github.com/sagernet/sing-box/option" E "github.com/sagernet/sing/common/exceptions" N "github.com/sagernet/sing/common/network" "go.uber.org/atomic" ) func init() { StatsService_ServiceDesc.ServiceName = "v2ray.core.app.stats.command.StatsService" } var ( _ adapter.V2RayStatsService = (*StatsService)(nil) _ StatsServiceServer = (*StatsService)(nil) ) type StatsService struct { createdAt time.Time inbounds map[string]bool outbounds map[string]bool access sync.Mutex counters map[string]*atomic.Int64 } func NewStatsService(options option.V2RayStatsServiceOptions) *StatsService { if !options.Enabled { return nil } inbounds := make(map[string]bool) outbounds := make(map[string]bool) for _, inbound := range options.Inbounds { inbounds[inbound] = true } for _, outbound := range options.Outbounds { outbounds[outbound] = true } return &StatsService{ createdAt: time.Now(), inbounds: inbounds, outbounds: outbounds, counters: make(map[string]*atomic.Int64), } } func (s *StatsService) RoutedConnection(inbound string, outbound string, conn net.Conn) net.Conn { var readCounter []*atomic.Int64 var writeCounter []*atomic.Int64 countInbound := inbound != "" && s.inbounds[inbound] countOutbound := outbound != "" && s.outbounds[outbound] if !countInbound && !countOutbound { return conn } s.access.Lock() if countInbound { readCounter = append(readCounter, s.loadOrCreateCounter("inbound>>>"+inbound+">>>traffic>>>uplink")) writeCounter = append(writeCounter, s.loadOrCreateCounter("inbound>>>"+inbound+">>>traffic>>>downlink")) } if countOutbound { readCounter = append(readCounter, s.loadOrCreateCounter("outbound>>>"+outbound+">>>traffic>>>uplink")) writeCounter = append(writeCounter, s.loadOrCreateCounter("outbound>>>"+outbound+">>>traffic>>>downlink")) } s.access.Unlock() return trackerconn.New(conn, readCounter, writeCounter) } func (s *StatsService) RoutedPacketConnection(inbound string, outbound string, conn N.PacketConn) N.PacketConn { var readCounter []*atomic.Int64 var writeCounter []*atomic.Int64 countInbound := inbound != "" && s.inbounds[inbound] countOutbound := outbound != "" && s.outbounds[outbound] if !countInbound && !countOutbound { return conn } s.access.Lock() if countInbound { readCounter = append(readCounter, s.loadOrCreateCounter("inbound>>>"+inbound+">>>traffic>>>uplink")) writeCounter = append(writeCounter, s.loadOrCreateCounter("inbound>>>"+inbound+">>>traffic>>>downlink")) } if countOutbound { readCounter = append(readCounter, s.loadOrCreateCounter("outbound>>>"+outbound+">>>traffic>>>uplink")) writeCounter = append(writeCounter, s.loadOrCreateCounter("outbound>>>"+outbound+">>>traffic>>>downlink")) } s.access.Unlock() return trackerconn.NewPacket(conn, readCounter, writeCounter) } func (s *StatsService) GetStats(ctx context.Context, request *GetStatsRequest) (*GetStatsResponse, error) { s.access.Lock() counter, loaded := s.counters[request.Name] s.access.Unlock() if !loaded { return nil, E.New(request.Name, " not found.") } var value int64 if request.Reset_ { value = counter.Swap(0) } else { value = counter.Load() } return &GetStatsResponse{Stat: &Stat{Name: request.Name, Value: value}}, nil } func (s *StatsService) QueryStats(ctx context.Context, request *QueryStatsRequest) (*QueryStatsResponse, error) { var response QueryStatsResponse s.access.Lock() defer s.access.Unlock() if len(request.Patterns) == 0 { for name, counter := range s.counters { var value int64 if request.Reset_ { value = counter.Swap(0) } else { value = counter.Load() } response.Stat = append(response.Stat, &Stat{Name: name, Value: value}) } } else if request.Regexp { matchers := make([]*regexp.Regexp, 0, len(request.Patterns)) for _, pattern := range request.Patterns { matcher, err := regexp.Compile(pattern) if err != nil { return nil, err } matchers = append(matchers, matcher) } for name, counter := range s.counters { for _, matcher := range matchers { if matcher.MatchString(name) { var value int64 if request.Reset_ { value = counter.Swap(0) } else { value = counter.Load() } response.Stat = append(response.Stat, &Stat{Name: name, Value: value}) } } } } else { for name, counter := range s.counters { for _, matcher := range request.Patterns { if strings.Contains(name, matcher) { var value int64 if request.Reset_ { value = counter.Swap(0) } else { value = counter.Load() } response.Stat = append(response.Stat, &Stat{Name: name, Value: value}) } } } } return &response, nil } func (s *StatsService) GetSysStats(ctx context.Context, request *SysStatsRequest) (*SysStatsResponse, error) { var rtm runtime.MemStats runtime.ReadMemStats(&rtm) response := &SysStatsResponse{ Uptime: uint32(time.Now().Sub(s.createdAt).Seconds()), NumGoroutine: uint32(runtime.NumGoroutine()), Alloc: rtm.Alloc, TotalAlloc: rtm.TotalAlloc, Sys: rtm.Sys, Mallocs: rtm.Mallocs, Frees: rtm.Frees, LiveObjects: rtm.Mallocs - rtm.Frees, NumGC: rtm.NumGC, PauseTotalNs: rtm.PauseTotalNs, } return response, nil } func (s *StatsService) mustEmbedUnimplementedStatsServiceServer() { } //nolint:staticcheck func (s *StatsService) loadOrCreateCounter(name string) *atomic.Int64 { counter, loaded := s.counters[name] if loaded { return counter } counter = atomic.NewInt64(0) s.counters[name] = counter return counter }