frp/server/metrics/metrics.go

38 lines
1.3 KiB
Go

package metrics
import (
"sync"
)
type ServerMetrics interface {
NewClient()
CloseClient()
NewProxy(name string, proxyType string)
CloseProxy(name string, proxyType string)
OpenConnection(name string, proxyType string)
CloseConnection(name string, proxyType string)
AddTrafficIn(name string, proxyType string, trafficBytes int64)
AddTrafficOut(name string, proxyType string, trafficBytes int64)
}
var Server ServerMetrics = noopServerMetrics{}
var registerMetrics sync.Once
func Register(m ServerMetrics) {
registerMetrics.Do(func() {
Server = m
})
}
type noopServerMetrics struct{}
func (noopServerMetrics) NewClient() {}
func (noopServerMetrics) CloseClient() {}
func (noopServerMetrics) NewProxy(name string, proxyType string) {}
func (noopServerMetrics) CloseProxy(name string, proxyType string) {}
func (noopServerMetrics) OpenConnection(name string, proxyType string) {}
func (noopServerMetrics) CloseConnection(name string, proxyType string) {}
func (noopServerMetrics) AddTrafficIn(name string, proxyType string, trafficBytes int64) {}
func (noopServerMetrics) AddTrafficOut(name string, proxyType string, trafficBytes int64) {}