forked from Silverfish/proton-bridge
53 lines
1015 B
Go
53 lines
1015 B
Go
package user
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import (
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"context"
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"sync"
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"github.com/ProtonMail/gluon/imap"
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"github.com/ProtonMail/gluon/queue"
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)
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type flusher struct {
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updateCh *queue.QueuedChannel[imap.Update]
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updates []*imap.MessageCreated
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maxUpdateSize int
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curChunkSize int
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pushLock sync.Mutex
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}
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func newFlusher(updateCh *queue.QueuedChannel[imap.Update], maxUpdateSize int) *flusher {
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return &flusher{
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updateCh: updateCh,
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maxUpdateSize: maxUpdateSize,
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}
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}
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func (f *flusher) push(ctx context.Context, update *imap.MessageCreated) {
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f.pushLock.Lock()
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defer f.pushLock.Unlock()
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f.updates = append(f.updates, update)
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if f.curChunkSize += len(update.Literal); f.curChunkSize >= f.maxUpdateSize {
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f.flush(ctx, false)
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}
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}
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func (f *flusher) flush(ctx context.Context, wait bool) {
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if len(f.updates) > 0 {
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f.updateCh.Enqueue(imap.NewMessagesCreated(f.updates...))
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f.updates = nil
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f.curChunkSize = 0
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}
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if wait {
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update := imap.NewNoop()
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defer update.WaitContext(ctx)
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f.updateCh.Enqueue(update)
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}
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}
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