54 lines
922 B
Go
54 lines
922 B
Go
package poller
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import (
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"context"
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"sync"
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"time"
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)
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type Runtime struct {
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poller *GatewayPackagePoller
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interval time.Duration
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cancel context.CancelFunc
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wg sync.WaitGroup
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}
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func NewRuntime(poller *GatewayPackagePoller, interval time.Duration) *Runtime {
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if interval <= 0 {
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interval = time.Second
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}
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return &Runtime{poller: poller, interval: interval}
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}
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func (r *Runtime) Start(parent context.Context) bool {
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if r == nil || r.poller == nil || r.cancel != nil {
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return false
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}
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ctx, cancel := context.WithCancel(parent)
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r.cancel = cancel
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r.wg.Add(1)
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go func() {
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defer r.wg.Done()
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ticker := time.NewTicker(r.interval)
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defer ticker.Stop()
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for {
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_, _ = r.poller.PollOnce(ctx)
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select {
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case <-ctx.Done():
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return
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case <-ticker.C:
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}
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}
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}()
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return true
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}
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func (r *Runtime) Stop() {
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if r == nil || r.cancel == nil {
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return
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}
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r.cancel()
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r.wg.Wait()
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r.cancel = nil
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}
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