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Константин Ван
Asked: 2021-04-22 06:54:43 +0800 CST

BitTorrent 协议是否允许您共享空目录？

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当我尝试从包含多个空子目录的目录中创建一个 torrent 文件时，这些目录在 torrent 文件中被忽略并省略。我想知道这是 qBittorrent 的事情还是BitTorrent 协议的指定限制。BitTorrent 协议是否允许您共享空目录，保留实际的文件树？

包含多个空子目录的目录图像。 此类目录的图像已在 torrent 文件中被忽略和省略。

编辑⸺那里有空目录的种子。

是的，实际上有几个。但是怎么做？

53619 个种子中有 19 个有空目录。

洪流中的一个空目录 05e4bb4227689c24fb61cd200e812d402526475b

用 BEncode 编辑器打开

列表“path”的最后一个元素是一个空字符串

qBittorrent 如何处理这些神秘的空目录

How qBittorrent handle empty directories

bittorrent

1 个回答

  1. Best Answer

    在 BitTorrent 协议中共享空目录是不可能的。

    All files in a BitTorrent metafile (.torrent file) are listed in the "files" list which is located inside the "info" dictionary. Directories are stored as part of the "path" to a a file relative to the root directory.

    The BitTorrent v1 protocol specification states:

    path - A list of UTF-8 encoded strings corresponding to subdirectory names, the last of which is the actual file name (a zero length list is an error case).

    See: https://www.bittorrent.org/beps/bep_0003.html

    This means that it is impossible to share directories without any files in them as the last element of a path will always be interpreted as a filename.

    Following example shows how the paths to files are stored inside a .torrent file (formatted as JSON):

    {
    "info": {
        "files": [
            {
                "length": 1647396,
                "path": [
                    "stage_2_detailed_class_info.csv"
                ]
            },
            {
                "length": 124100,
                "path": [
                    "stage_2_test_images_jpg",
                    "0000a175-0e68-4ca4-b1af-167204a7e0bc.jpg"
                ]
            },
        ],
        "name": "kaggle-pneumonia-jpg",
    }
}

    This torrent contains two files:

    • kaggle-pneumonia-jpg/stage_2_detailed_class_info.csv
    • kaggle-肺炎-jpg/stage_2_test_images_jpg/0000a175-0e68-4ca4-b1af-167204a7e0bc.jpg"

    目录“stage_2_test_images_jpg”之所以存在，是因为它包含在文件“0000a175-0e68-4ca4-b1af-167204a7e0bc.jpg”的“路径”中。

    如果我们从 torrent 中删除“0000a175-0e68-4ca4-b1af-167204a7e0bc.jpg”，目录“stage_2_test_images_jpg”将成为“路径”中的最后一个元素，并将成为文件而不是目录。

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