Files
proton-bridge/internal/services/userevents/event_poll_waiter.go
2025-01-02 14:03:49 +01:00

59 lines
1.5 KiB
Go

// Copyright (c) 2025 Proton AG
//
// This file is part of Proton Mail Bridge.
//
// Proton Mail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Proton Mail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
package userevents
import (
"context"
"time"
)
// EventPollWaiter is meant to be used to wait for the event loop to finish processing the current events after
// being paused.
type EventPollWaiter struct {
ch chan struct{}
}
func newEventPollWaiter() *EventPollWaiter {
return &EventPollWaiter{ch: make(chan struct{})}
}
func (e *EventPollWaiter) WaitPollFinished(ctx context.Context) error {
select {
case <-ctx.Done():
return ctx.Err()
case <-e.ch:
return nil
}
}
func (e *EventPollWaiter) WaitPollFinishedWithDeadline(ctx context.Context, t time.Time) error {
ctx, cancel := context.WithDeadline(ctx, t)
defer cancel()
select {
case <-ctx.Done():
return ctx.Err()
case <-e.ch:
return nil
}
}
func (e *EventPollWaiter) close() {
close(e.ch)
}