Mortdecai
68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package maildir
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import (
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"context"
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"runtime"
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"sync"
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"git.sr.ht/~rjarry/aerc/lib/log"
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"git.sr.ht/~rjarry/aerc/models"
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"git.sr.ht/~rjarry/aerc/worker/lib"
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"git.sr.ht/~rjarry/aerc/worker/types"
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)
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func (w *Worker) search(ctx context.Context, criteria *types.SearchCriteria) ([]models.UID, error) {
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criteria.PrepareHeader()
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requiredParts := lib.GetRequiredParts(criteria)
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w.worker.Debugf("Required parts bitmask for search: %b", requiredParts)
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keys, err := w.c.UIDs(*w.selected)
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if err != nil {
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return nil, err
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}
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var matchedUids []models.UID
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mu := sync.Mutex{}
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wg := sync.WaitGroup{}
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// Hard limit at 2x CPU cores
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max := runtime.NumCPU() * 2
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limit := make(chan struct{}, max)
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for _, key := range keys {
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select {
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case <-ctx.Done():
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return nil, context.Canceled
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default:
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limit <- struct{}{}
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wg.Add(1)
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go func(key models.UID) {
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defer log.PanicHandler()
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defer wg.Done()
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success, err := w.searchKey(key, criteria, requiredParts)
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if err != nil {
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// don't return early so that we can still get some results
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w.worker.Errorf("Failed to search key %d: %v", key, err)
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} else if success {
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mu.Lock()
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matchedUids = append(matchedUids, key)
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mu.Unlock()
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}
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<-limit
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}(key)
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}
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}
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wg.Wait()
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return matchedUids, nil
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}
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// Execute the search criteria for the given key, returns true if search succeeded
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func (w *Worker) searchKey(key models.UID, criteria *types.SearchCriteria,
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parts lib.MsgParts,
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) (bool, error) {
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message, err := w.c.Message(*w.selected, key)
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if err != nil {
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return false, err
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}
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return lib.SearchMessage(message, criteria, parts)
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}
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