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chore: add available generator amount flag (#1696)

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This commit is contained in:
boojack
2023-05-21 11:50:57 +08:00
committed by GitHub
parent 467f9080a1
commit ba8e1e5dc2
1 changed files with 10 additions and 0 deletions
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10
server/resource.go
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@@ -501,12 +501,22 @@ func replacePathTemplate(path string, filename string) string {
return path return path
} }
var availableGeneratorAmount = 32
func getOrGenerateThumbnailImage(srcBlob []byte, dstPath string) ([]byte, error) { func getOrGenerateThumbnailImage(srcBlob []byte, dstPath string) ([]byte, error) {
if _, err := os.Stat(dstPath); err != nil { if _, err := os.Stat(dstPath); err != nil {
if !errors.Is(err, os.ErrNotExist) { if !errors.Is(err, os.ErrNotExist) {
return nil, errors.Wrap(err, "failed to check thumbnail image stat") return nil, errors.Wrap(err, "failed to check thumbnail image stat")
} }
if availableGeneratorAmount <= 0 {
return nil, errors.New("not enough available generator amount")
}
availableGeneratorAmount--
defer func() {
availableGeneratorAmount++
}()
reader := bytes.NewReader(srcBlob) reader := bytes.NewReader(srcBlob)
src, err := imaging.Decode(reader) src, err := imaging.Decode(reader)
if err != nil { if err != nil {