67 lines
1.6 KiB
Go
67 lines
1.6 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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"sync"
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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/models"
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"github.com/qdm12/golibs/logging"
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)
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type Looper interface {
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Run(ctx context.Context, done chan<- struct{})
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SetStatus(ctx context.Context, status models.LoopStatus) (
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outcome string, err error)
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GetStatus() (status models.LoopStatus)
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GetSettings() (settings configuration.HTTPProxy)
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SetSettings(ctx context.Context, settings configuration.HTTPProxy) (
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outcome string)
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}
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type looper struct {
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state state
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// Other objects
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logger logging.Logger
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// Internal channels and locks
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loopLock sync.Mutex
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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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backoffTime time.Duration
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}
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const defaultBackoffTime = 10 * time.Second
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func NewLooper(logger logging.Logger, settings configuration.HTTPProxy) Looper {
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return &looper{
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state: state{
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status: constants.Stopped,
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settings: settings,
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},
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logger: logger,
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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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backoffTime: defaultBackoffTime,
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}
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}
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func (l *looper) 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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