75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
// Package httpproxy defines an interface to run an HTTP(s) proxy server.
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package httpproxy
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import (
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"context"
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"time"
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"github.com/qdm12/gluetun/internal/configuration"
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"github.com/qdm12/gluetun/internal/constants"
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"github.com/qdm12/gluetun/internal/httpproxy/state"
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"github.com/qdm12/gluetun/internal/loopstate"
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"github.com/qdm12/gluetun/internal/models"
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)
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var _ Looper = (*Loop)(nil)
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type Looper interface {
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Runner
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loopstate.Getter
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loopstate.Applier
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SettingsGetSetter
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}
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type Loop struct {
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statusManager loopstate.Manager
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state state.Manager
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// Other objects
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logger Logger
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// Internal channels and locks
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running chan models.LoopStatus
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stop, stopped chan struct{}
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start chan struct{}
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userTrigger bool
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backoffTime time.Duration
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}
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const defaultBackoffTime = 10 * time.Second
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func NewLoop(logger Logger, settings configuration.HTTPProxy) *Loop {
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start := make(chan struct{})
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running := make(chan models.LoopStatus)
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stop := make(chan struct{})
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stopped := make(chan struct{})
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statusManager := loopstate.New(constants.Stopped,
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start, running, stop, stopped)
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state := state.New(statusManager, settings)
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return &Loop{
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statusManager: statusManager,
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state: state,
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logger: logger,
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start: start,
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running: running,
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stop: stop,
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stopped: stopped,
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userTrigger: true,
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backoffTime: defaultBackoffTime,
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}
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}
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func (l *Loop) logAndWait(ctx context.Context, err error) {
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l.logger.Error(err.Error())
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l.logger.Info("retrying in " + l.backoffTime.String())
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timer := time.NewTimer(l.backoffTime)
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l.backoffTime *= 2
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select {
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case <-timer.C:
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case <-ctx.Done():
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if !timer.Stop() {
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<-timer.C
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}
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}
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}
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