64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
|
package service
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"log"
|
||
|
|
"sync"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ProxyExpiryService 周期扫描到期代理并把绑定账号改投备用/直连。
|
||
|
|
type ProxyExpiryService struct {
|
||
|
|
proxyRepo ProxyRepository
|
||
|
|
interval time.Duration
|
||
|
|
stopCh chan struct{}
|
||
|
|
stopOnce sync.Once
|
||
|
|
wg sync.WaitGroup
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewProxyExpiryService(proxyRepo ProxyRepository, interval time.Duration) *ProxyExpiryService {
|
||
|
|
return &ProxyExpiryService{proxyRepo: proxyRepo, interval: interval, stopCh: make(chan struct{})}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *ProxyExpiryService) Start() {
|
||
|
|
if s == nil || s.proxyRepo == nil || s.interval <= 0 {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
s.wg.Add(1)
|
||
|
|
go func() {
|
||
|
|
defer s.wg.Done()
|
||
|
|
ticker := time.NewTicker(s.interval)
|
||
|
|
defer ticker.Stop()
|
||
|
|
s.runOnce()
|
||
|
|
for {
|
||
|
|
select {
|
||
|
|
case <-ticker.C:
|
||
|
|
s.runOnce()
|
||
|
|
case <-s.stopCh:
|
||
|
|
return
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *ProxyExpiryService) Stop() {
|
||
|
|
if s == nil {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
s.stopOnce.Do(func() { close(s.stopCh) })
|
||
|
|
s.wg.Wait()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *ProxyExpiryService) runOnce() {
|
||
|
|
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
|
||
|
|
defer cancel()
|
||
|
|
changed, err := s.proxyRepo.SweepExpiredProxies(ctx, time.Now())
|
||
|
|
if err != nil {
|
||
|
|
log.Printf("[ProxyExpiry] sweep expired proxies failed: %v", err)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
if changed > 0 {
|
||
|
|
log.Printf("[ProxyExpiry] re-routed %d accounts off expired proxies", changed)
|
||
|
|
}
|
||
|
|
}
|