prox5/conductor.go

72 lines
1.7 KiB
Go

package prox5
import (
"context"
"errors"
)
// SwampStatus represents the current state of our Swamp.
type SwampStatus uint32
const (
// Running means the proxy pool is currently taking in proxys and validating them, and is available to dispense proxies.
Running SwampStatus = iota
// Paused means the proxy pool has been with Swamp.Pause() and may be resumed with Swamp.Resume()
Paused
// New means the proxy pool has never been started.
New
)
// Start starts our proxy pool operations. Trying to start a running Swamp will return an error.
func (s *Swamp) Start() error {
if s.Status.Load().(SwampStatus) != New {
return s.Resume()
}
s.startDaemons()
return nil
}
/*
Pause will cease the creation of any new proxy validation operations.
* You will be able to start the proxy pool again with Swamp.Resume(), it will have the same Statistics, options, and ratelimits.
* During pause you are still able to dispense proxies.
* Options may be changed and proxy lists may be loaded when paused.
* Pausing an already paused Swamp is a nonop.
*/
func (s *Swamp) Pause() error {
if !s.IsRunning() {
return errors.New("not running")
}
s.dbgPrint("pausing...")
s.quit()
s.Status.Store(Paused)
return nil
}
func (s *Swamp) startDaemons() {
go s.mapBuilder()
<-s.conductor
s.svcUp()
go s.jobSpawner()
for {
if s.IsRunning() {
s.Status.Store(Running)
break
}
}
}
// Resume will resume pause proxy pool operations, attempting to resume a running Swamp is returns an error.
func (s *Swamp) Resume() error {
if s.IsRunning() {
return errors.New("already running")
}
s.ctx, s.quit = context.WithCancel(context.Background())
s.startDaemons()
return nil
}