prox5/daemons.go

145 lines
2.6 KiB
Go

package prox5
import (
"errors"
"strconv"
"time"
"git.tcp.direct/kayos/common/entropy"
cmap "github.com/orcaman/concurrent-map/v2"
)
type proxyMap struct {
plot cmap.ConcurrentMap[string, *Proxy]
parent *ProxyEngine
}
func (sm proxyMap) add(sock string) (*Proxy, bool) {
sm.plot.SetIfAbsent(sock, &Proxy{
Endpoint: sock,
protocol: newImmutableProto(),
lastValidated: time.UnixMilli(0),
timesValidated: 0,
timesBad: 0,
parent: sm.parent,
lock: stateUnlocked,
})
return sm.plot.Get(sock)
}
func (sm proxyMap) delete(sock string) error {
if _, ok := sm.plot.Get(sock); !ok {
return errors.New("proxy not found")
}
sm.plot.Remove(sock)
return nil
}
func (sm proxyMap) clear() {
sm.plot.Clear()
}
func (p5 *ProxyEngine) recycling() int {
if !p5.recycleMu.TryLock() {
return 0
}
defer p5.recycleMu.Unlock()
switch {
case !p5.GetRecyclingStatus(), p5.proxyMap.plot.Count() < 1:
return 0
default:
select {
case <-p5.recycleTimer.C:
break
default:
return 0
}
}
var count = 0
switch p5.GetRecyclerShuffleStatus() {
case true:
var tuples []cmap.Tuple[string, *Proxy]
for tuple := range p5.proxyMap.plot.IterBuffered() {
tuples = append(tuples, tuple)
}
entropy.GetOptimizedRand().Shuffle(len(tuples), func(i, j int) {
tuples[i], tuples[j] = tuples[j], tuples[i]
})
for _, tuple := range tuples {
p5.Pending.add(tuple.Val)
count++
}
case false:
for tuple := range p5.proxyMap.plot.IterBuffered() {
p5.Pending.add(tuple.Val)
count++
}
}
return count
}
func (p5 *ProxyEngine) jobSpawner() {
p5.pool.Reboot()
p5.dbgPrint(simpleString("job spawner started"))
q := make(chan bool, 1)
go func() {
for {
if !p5.IsRunning() {
q <- true
return
}
// select {
// case <-p5.ctx.Done():
// default:
// }
p5.Pending.RLock()
if p5.Pending.Len() < 1 {
p5.Pending.RUnlock()
count := p5.recycling()
switch {
case count > 0:
buf := strs.Get()
buf.MustWriteString("recycled ")
buf.MustWriteString(strconv.Itoa(count))
buf.MustWriteString(" proxies from our map")
p5.dbgPrint(buf)
default:
time.Sleep(time.Millisecond * 100)
}
continue
} else {
p5.Pending.RUnlock()
}
var sock *Proxy
p5.Pending.Lock()
switch p5.GetRecyclingStatus() {
case true:
el := p5.Pending.Front()
p5.Pending.MoveToBack(el)
sock = el.Value.(*Proxy)
}
p5.Pending.Unlock()
_ = p5.scale()
if err := p5.pool.Submit(sock.validate); err != nil {
p5.dbgPrint(simpleString(err.Error()))
}
}
}()
<-q
p5.dbgPrint(simpleString("job spawner paused"))
p5.pool.Release()
}