clash/tunnel/manager.go

97 lines
1.8 KiB
Go

package tunnel
import (
"sync"
"time"
)
var DefaultManager *Manager
func init() {
DefaultManager = &Manager{
upload: make(chan int64),
download: make(chan int64),
}
DefaultManager.handle()
}
type Manager struct {
connections sync.Map
upload chan int64
download chan int64
uploadTemp int64
downloadTemp int64
uploadBlip int64
downloadBlip int64
uploadTotal int64
downloadTotal int64
}
func (m *Manager) Join(c tracker) {
m.connections.Store(c.ID(), c)
}
func (m *Manager) Leave(c tracker) {
m.connections.Delete(c.ID())
}
func (m *Manager) Upload() chan<- int64 {
return m.upload
}
func (m *Manager) Download() chan<- int64 {
return m.download
}
func (m *Manager) Now() (up int64, down int64) {
return m.uploadBlip, m.downloadBlip
}
func (m *Manager) Snapshot() *Snapshot {
connections := []tracker{}
m.connections.Range(func(key, value interface{}) bool {
connections = append(connections, value.(tracker))
return true
})
return &Snapshot{
UploadTotal: m.uploadTotal,
DownloadTotal: m.downloadTotal,
Connections: connections,
}
}
func (m *Manager) ResetStatistic() {
m.uploadTemp = 0
m.uploadBlip = 0
m.uploadTotal = 0
m.downloadTemp = 0
m.downloadBlip = 0
m.downloadTotal = 0
}
func (m *Manager) handle() {
go m.handleCh(m.upload, &m.uploadTemp, &m.uploadBlip, &m.uploadTotal)
go m.handleCh(m.download, &m.downloadTemp, &m.downloadBlip, &m.downloadTotal)
}
func (m *Manager) handleCh(ch <-chan int64, temp *int64, blip *int64, total *int64) {
ticker := time.NewTicker(time.Second)
for {
select {
case n := <-ch:
*temp += n
*total += n
case <-ticker.C:
*blip = *temp
*temp = 0
}
}
}
type Snapshot struct {
DownloadTotal int64 `json:"downloadTotal"`
UploadTotal int64 `json:"uploadTotal"`
Connections []tracker `json:"connections"`
}