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kratos/pkg/net/rpc/warden/stats.go
longxboy 637a6a3628 add warden rpc (#9)
* add warden rpc
2019-04-12 17:32:10 +08:00

26 lines
681 B
Go

package warden
import (
"context"
"strconv"
nmd "github.com/bilibili/kratos/pkg/net/rpc/warden/internal/metadata"
"github.com/bilibili/kratos/pkg/stat/sys/cpu"
"google.golang.org/grpc"
gmd "google.golang.org/grpc/metadata"
)
func (s *Server) stats() grpc.UnaryServerInterceptor {
return func(ctx context.Context, req interface{}, args *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
resp, err = handler(ctx, req)
var cpustat cpu.Stat
cpu.ReadStat(&cpustat)
if cpustat.Usage != 0 {
trailer := gmd.Pairs([]string{nmd.CPUUsage, strconv.FormatInt(int64(cpustat.Usage), 10)}...)
grpc.SetTrailer(ctx, trailer)
}
return
}
}