mirror of https://github.com/v2ray/v2ray-core
				
				
				
			
		
			
				
	
	
		
			128 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Go
		
	
	
// +build !confonly
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package command
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//go:generate errorgen
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import (
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	"context"
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	"runtime"
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	"time"
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	grpc "google.golang.org/grpc"
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	"v2ray.com/core"
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	"v2ray.com/core/app/stats"
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	"v2ray.com/core/common"
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	"v2ray.com/core/common/strmatcher"
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	feature_stats "v2ray.com/core/features/stats"
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)
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// statsServer is an implementation of StatsService.
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type statsServer struct {
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	stats     feature_stats.Manager
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	startTime time.Time
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}
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func NewStatsServer(manager feature_stats.Manager) StatsServiceServer {
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	return &statsServer{
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		stats:     manager,
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		startTime: time.Now(),
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	}
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}
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func (s *statsServer) GetStats(ctx context.Context, request *GetStatsRequest) (*GetStatsResponse, error) {
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	c := s.stats.GetCounter(request.Name)
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	if c == nil {
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		return nil, newError(request.Name, " not found.")
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	}
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	var value int64
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	if request.Reset_ {
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		value = c.Set(0)
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	} else {
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		value = c.Value()
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	}
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	return &GetStatsResponse{
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		Stat: &Stat{
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			Name:  request.Name,
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			Value: value,
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		},
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	}, nil
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}
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func (s *statsServer) QueryStats(ctx context.Context, request *QueryStatsRequest) (*QueryStatsResponse, error) {
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	matcher, err := strmatcher.Substr.New(request.Pattern)
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	if err != nil {
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		return nil, err
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	}
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	response := &QueryStatsResponse{}
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	manager, ok := s.stats.(*stats.Manager)
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	if !ok {
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		return nil, newError("QueryStats only works its own stats.Manager.")
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	}
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	manager.VisitCounters(func(name string, c feature_stats.Counter) bool {
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		if matcher.Match(name) {
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			var value int64
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			if request.Reset_ {
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				value = c.Set(0)
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			} else {
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				value = c.Value()
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			}
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			response.Stat = append(response.Stat, &Stat{
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				Name:  name,
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				Value: value,
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			})
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		}
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		return true
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	})
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	return response, nil
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}
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func (s *statsServer) GetSysStats(ctx context.Context, request *SysStatsRequest) (*SysStatsResponse, error) {
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	var rtm runtime.MemStats
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	runtime.ReadMemStats(&rtm)
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	uptime := time.Since(s.startTime)
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	response := &SysStatsResponse{
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		Uptime:       uint32(uptime.Seconds()),
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		NumGoroutine: uint32(runtime.NumGoroutine()),
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		Alloc:        rtm.Alloc,
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		TotalAlloc:   rtm.TotalAlloc,
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		Sys:          rtm.Sys,
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		Mallocs:      rtm.Mallocs,
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		Frees:        rtm.Frees,
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		LiveObjects:  rtm.Mallocs - rtm.Frees,
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		NumGC:        rtm.NumGC,
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		PauseTotalNs: rtm.PauseTotalNs,
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	}
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	return response, nil
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}
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func (s *statsServer) mustEmbedUnimplementedStatsServiceServer() {}
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type service struct {
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	statsManager feature_stats.Manager
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}
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func (s *service) Register(server *grpc.Server) {
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	RegisterStatsServiceServer(server, NewStatsServer(s.statsManager))
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}
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func init() {
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	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, cfg interface{}) (interface{}, error) {
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		s := new(service)
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		core.RequireFeatures(ctx, func(sm feature_stats.Manager) {
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			s.statsManager = sm
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		})
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		return s, nil
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	}))
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}
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