func()

in dth/client.go [319:356]

• 33 lines of code
• 5 McCabe index (conditional complexity)

func (c *S3Client) ListSelectedPrefixes(ctx context.Context, key *string) (prefixes []*string) {

	downloader := manager.NewDownloader(c.client)

	getBuf := manager.NewWriteAtBuffer([]byte{})

	input := &s3.GetObjectInput{
		Bucket: &c.bucket,
		Key:    key,
	}

	dounload_start := time.Now()
	log.Printf("Start downloading the Prefix List File.")
	_, err := downloader.Download(ctx, getBuf, input)
	download_end := time.Since(dounload_start)
	if err != nil {
		fmt.Print(err)
	} else {
		log.Printf("Download the Prefix List File Completed in %v\n", download_end)
	}
	start := time.Now()
	prefixes_value := make([]string, 0, 100000000)

	for i, m := range strings.Split(string(getBuf.Bytes()), "\n") {
		if i > 100000000 {
			log.Printf("The number of prefixes in the list file is larger than 100,000,000, please seperate the file.")
			return
		}
		if len(m) > 0 {
			prefixes_value = append(prefixes_value, m)
			prefixes = append(prefixes, &prefixes_value[i])
		}
	}
	log.Printf("Got %d prefixes from the customized list file.", len(prefixes))
	end := time.Since(start)
	log.Printf("Getting Prefixes List Job Completed in %v\n", end)
	return
}