GB/T 31916.3-2018 PDF English
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GB/T 31916.3-2018: Information Technology - Cloud Data Storage and Management - Part 3: Distributed File Storage Application Interface
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT31916.3-2018
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 35.100.05
L 79
Information Technology - Cloud Data Storage and
Management - Part 3.Distributed File Storage
Application Interface
Issued on. JUNE 7, 2018
Implemented on. JANUARY 1, 2019
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 5
1 Scope... 6
2 Compliance... 6
3 Normative References... 6
4 Terms, Definitions and Abbreviations... 7
4.1 Terms and Definitions... 7
4.2 Abbreviations... 7
5 Interface Positioning and System Structure of Distributed File Storage... 7
5.1 Interface Positioning of Distributed File Storage... 7
5.2 System Structure of Distributed File Storage... 8
6 General Requirements of Application Interface... 9
6.1 Overview... 9
6.2 Naming Rules... 9
6.3 Supplementary Error Message... 10
6.4 Public Request Header... 10
6.5 Public Response Header... 10
7 Requirements of File Interface... 10
7.1 Overview... 10
7.2 Create File... 11
7.3 Delete File... 14
7.4 Upload File... 16
7.5 Download File... 19
7.6 Append File... 22
7.7 Copy File... 24
7.8 Rename File... 27
7.9 View File Status... 29
7.10 Modify File Attribute... 32
7.11 File Search... 35
7.12 File Read... 37
7.13 File Write... 40
8 Requirements of Folder Interface... 42
8.1 Overview... 42
8.2 Create Folder... 42
8.3 Delete Folder... 45
8.4 Upload Folder... 47
8.5 Download Folder... 50
8.6 Copy Folder... 52
8.7 Rename Folder... 55
8.8 View Folder Status... 57
8.9 Modify Folder Attribute... 59
8.10 Folder Search... 62
8.11 List Folder Content... 64
9 Requirements of Recycle Bin Interface... 66
9.1 Overview... 66
9.2 Recover Files in Recycle Bin... 67
9.3 Query Files in Recycle Bin... 69
9.4 Final Delete Files in Recycle Bin... 71
9.5 Clear Trash... 73
9.6 Recover All... 75
10 Requirements of Extended Attribute Interface... 77
10.1 Overview... 77
10.2 Set Extended Attribute... 77
10.3 Delete Extended Attribute... 80
10.4 Read Extended Attribute... 82
10.5 List Extended Attribute... 85
11 Requirements of Snapshot Interface... 87
11.1 Overview... 87
11.2 Create Snapshot... 87
11.3 Delete Snapshot... 89
11.4 List Snapshot... 91
11.5 Rename Snapshot... 94
12 Requirements of Access Control List Interface... 96
12.1 Overview... 96
12.2 Add ACL Rule... 97
12.3 Read ACL... 99
12.4 Modify ACL Rule... 102
12.5 Delete ACL... 105
12.6 Delete ACL Rule... 106
12.7 Delete Default ACL Rule... 108
Appendix A (normative) Distributed File Storage Management Interface... 111
Appendix B (normative) Supplementary Error Message... 130
1 Scope
This Part of GB/T 31916 provides an architecture of distributed file storage; stipulates
general requirements and application interface of distributed file storage.
This Part is applicable to the design, development, testing and application of distributed
file storage.
2 Compliance
The interface defined in this Part can be divided into required and optional. Specifically
speaking, file interface, folder interface and recycle bin interface are required, while
others are optional. Parameters commanded by each interface might contain required
parameters and optional parameters. Compliance contains the following
circumstances.
a) A system implements all the interfaces (including required interfaces and
optional interfaces), which may be claimed as complete compliance with this
Part.
b) A system implements all the required interfaces, which may be claimed as
compliance with this Part.
c) A system does not implement all the required interfaces, which may be claimed
as non-compliance with this Part.
3 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 7408-2005 Data Elements and Interchange Formats - Information Interchange -
Representation of Dates and Times;
GB/T 31916.1-2015 Information Technology - Cloud Data Storage and Management -
Part 1.General;
RFC 822 Standard for the Format of ARPA Internet Text Messages;
RFC 2616 Hypertext Transfer Protocol HTTP/1.1;
RFC 7159 The JavaScript Object Notation (JSON) Data Interchange Format
4 Terms, Definitions and Abbreviations
4.1 Terms and Definitions
What is defined in GB/T 31916.1-2015 and the following terms and definitions are
applicable to this document.
4.1.1 Distributed file system
Distributed file system is a file system, which is installed on the operating system as
an application. Its storage resource is distributed on different computer nodes and
connected through the computer network.
4.2 Abbreviations
The following abbreviations are applicable to this document.
5 Interface Positioning and System Structure of Distributed File Storage
5.1 Interface Positioning of Distributed File Storage
The positioning of distributed file storage interface in the application layer is shown in
Figure 1.From the perspective of the operating system, the application-layer
distributed file storage, which is an application of the traditional operating system, does
not involve relevant operation of the kernel of the operating system. Thus, distributed
file storage’s dependence and restriction of the operating system is avoided.
5.2 System Structure of Distributed File Storage
System structure of distributed file storage includes. metadata server, data storage
data, monitoring server and client-side. Figure 2 demonstrates a general architecture
of distributed file storage.
6 General Requirements of Application Interface
6.1 Overview
General requirements of distributed file storage application interface include 8 items of
content, namely, interface protocol, identity security management, naming rules,
description of status code message, supplementary error message, public request
header, public response header and description of error message.
6.2 Naming Rules
Naming rules of all the files, folds and paths are as follows.
6.3 Supplementary Error Message
Error response of distributed file storage is relatively complicated. HTTP status code
needs a description of supplementary error message. The format of error message
shall comply with the requirements in 5.4 in GB/T 31916.1-2015.Please refer to
Appendix B for a description of supplementary error message.
6.4 Public Request Header
Information that public request header shall include is shown in Table 1 (see RFC
2616).
7 Requirements of File Interface
7.1 Overview
File interface of distributed file storage is an interface that conducts operation of files
in the system, including create file, delete file, upload file, download file, append file,
copy file, rename file, view file status, modify file attributes, file search, file read, and
file write. File interface is required.
7.2 Create File
7.2.1 Functional description
The operating parameter of create file is. CreateFile, which is used to create files in
distributed file storage. The created file name shall be unique in the folder.
7.2.2 Definition of request
7.2.3 Request URL
In which, [Account] signifies account ID. [Path] signifies the location of created file.
7.2.4 Request message header
Define it in accordance with public request header.
7.2.5 Request message parameters
Please refer to Table 3 for request message parameters.
7.2.6 Request message body
Null.
7.2.7 Response status code
Please refer to Table 4 for response status code and its description.
7.2.8 Definition of response
7.2.9 Response message header
Define it in accordance with public response header.
7.2.10 Response message body
Please refer to Table 5 for a description of various parameters in response message body.
7.2.11 Examples of request and response message
Examples of request message and response message are as follows.
7.3 Delete File
7.3.1 Functional description
The operating parameter of delete file is. DeleteFile, which is used to delete file. When
deleting a file, the system shall place it into the recycle bin.
7.3.2 Definition of request
7.3.3 Request URL
In which, [Account] signifies account ID. [Path] signifies the location of file.
7.3.4 Request message header
Define it in accordance with public request header.
7.3.5 Request message parameters
Please refer to Table 6 for request message parameters.
7.3.6 Request message body
Null.
7.3.7 Response status code
Please refer to Table 7 for response status code and its description.
7.4 Upload File
7.4.1 Functional description
The operating parameter of upload file is. UploadFile, which is used to upload local file
to distributed file storage.
7.4.2 Definition of request
7.4.3 Request URL
In which, [Account] signifies account ID. [Path] signifies the location of folder, where
file is uploaded to.
7.4.4 Request message header
Define it in accordance with public request header.
7.5 Download File
7.6 Append File
7.6.1 Functional description
The operating parameter of append file is. AppendFile, which is used to append file in
distributed file storage.
7.6.2 Definition of request
7.6.3 Request URL
In which, [Account] signifies account ID. [Path] signifies the location of file.
7.6.4 Request message header
Define it in accordance with public request header.
7.7 Copy File
7.7.1 Functional description
The operating parameter of copy file is. CopyFile, which is used to copy file in
distributed file storage.
7.7.2 Definition of request
7.7.3 Request URL
In which, [Account] signifies account ID. [Path] signifies the location of file to be copied.
7.7.4 Request message header
Define it in accordance with public request header.
7.8 Rename File
7.8.1 Functional description
The operating parameter of rename file is. RenameFile, which is used to rename file
in distributed file storage.
7.8.2 Definition of request
7.8.3 Request URL
In which, [Account] signifies account ID. [Path] signifies the path of file to be renamed.
7.8.4 Request message header
Define it in accordance with public request header.
7.8.5 Request message parameters
Please refer to Table 21 for request message parameters.
8 Requirements of Folder Interface
8.1 Overview
Folder interface of distributed file storage is an interface that conducts operation of
folder in the system, including create folder, delete folder, upload folder, download
folder, copy folder, rename folder, review folder status, modify folder attribute, folder
search and list folder content. Folder interface is required.
8.2 Create Folder
8.2.1 Functional description
The operating parameter of create folder is. Mkdir, which is used to create folders in
distributed file storage. The created folder name shall be unique in the parent folder.
8.2.2 Definition of request
8.2.3 Request URL
In which, [Account] signifies account ID. [Path] signifies the location of created folder.
8.2.4 Request message header
Define it in accordance with public request header.
8.2.5 Request message parameters
Please refer to Table 38 for request message parameters.
8.2.8 Definition of response
8.2.9 Response message header
Define it in accordance with public response header.
8.2.10 Response message body
Please refer to Table 40 for a description of various parameters in response message
body.
8.6 Copy Folder
8.6.1 Functional description
The operating parameter of copy folder is. CopyFolder, which is used to copy folder in
distributed file storage.
8.6.2 Definition of request
8.6.3 Request URL
In which, [Account] signifies account ID. [Path] signifies the location of folder to be
copied.
8.6.4 Request message header
Define it in accordance with public request header.
9 Requirements of Recycle Bin Interface
9.1 Overview
Recycle bin interface of distributed file storage is an interface that conducts operation
of recycle bin in the system. As a special folder in the system, recycle bin is used to
store files and folders deleted by user. Recycle bin interface includes recover file, query
trash, final delete file, clear trash and recover all. Recycle bin interface is required.
9.2 Recover Files in Recycle Bin
9.3 Query Files in Recycle Bin
9.3.1 Functional description
The operating parameter of query files in recycle bin is. QueryTrash, which is used to
query file or folder information in the recycle bin.
9.3.2 Definition of request
9.3.3 Request URL
In which, [Account] signifies account ID.
9.3.4 Request message header
Define it in accordance with public request header.
9.5 Clear Trash
9.5.1 Functional description
The operating parameter of empty the recycle bin is. ClearTrash, which is used to
empty files or folders in the recycle bin.
9.5.2 Definition of request
9.5.3 Request URL
In which, [Account] signifies account ID.
9.5.4 Request message header
Define it in accordance with public request header.
9.6 Recover All
9.6.1 Functional description
The operating parameter of recover all is. RecoverAll, which is recover all the files or
folders in the recycle bin.
9.6.2 Definition of request
9.6.3 Request URL
In which, [Account] signifies account ID.
9.6.4 Request message header
Define it in accordance with public request header.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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