CN102325169A - Network file system supporting sharing and cooperation and method thereof - Google Patents
Network file system supporting sharing and cooperation and method thereof Download PDFInfo
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- CN102325169A CN102325169A CN201110241990A CN201110241990A CN102325169A CN 102325169 A CN102325169 A CN 102325169A CN 201110241990 A CN201110241990 A CN 201110241990A CN 201110241990 A CN201110241990 A CN 201110241990A CN 102325169 A CN102325169 A CN 102325169A
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Abstract
The invention provides a network file system supporting sharing and cooperation and a method thereof. Under an Internet network environment, through a client, a user can set a local folder as a sharing folder to allow other sharing users endowed with specific permission to access a sharing file (folder). Through a predefining multi-user sharing file cooperation mechanism, a server supports a cooperation operation between users, thus in the condition of the sharing file is changed, change of the file can be immediately displayed at a network file system of all sharing users, a conflict of multiple sharing user cooperation when sharing a file in the network file system is effectively solved, and security of the network file system is raised.
Description
Technical field
The present invention relates to the computer data field of storage, relate in particular to a kind of support NFS and method shared and cooperation.
Background technology
NFS (Network File System; NFS); Be meant in the method for shared disk file between the computer on the network; The telefile that is stored in by this method on the server can provide transparent file access and file transfer to client, and client need not to spend the storage and maintenance that any cost carries out file, and it is equally convenient when the file of access server end, just to be positioned at as visit on the client terminal local hard disk drive.NFS makes the client-access telefile flexible more and convenient.
In the file-sharing between the user and the file system of cooperating in modern times is a primary demand.In LAN environment, use most local file systems, all file-sharing can be set easily like file system such as FAT32, NTFS.But under the present Internet network environment of NFS, the shared and cooperation between the support user also is not easy.
The structure of present NFS normally C/S (client/server, Client/Server) pattern promptly can only be passed through server (S) to client (C) shared file data; And the file-sharing mode that is based on the IP strategy that NFS is used promptly need indicate IP address or the IP address field that can visit shared file when file-sharing is set.
Yet there is following problem in the framework of this NFS:
1, the user can only have access to the shared file on the network file system server, can't the local file of oneself be shared and give common other trust users that use said NFS;
2, because NFS uses the IP strategy to share settings, if the user has changed the common IP environment, so just need the setting of modification server, otherwise the shared file of user on can not the server of accesses network file system;
3, can easily not carry out the cooperative operation of shared file between the user;
In addition, traditional NFS is provided with to share through the IP strategy and also can has potential safety hazard, in the multi-user system environment, trusts a certain IP and just means all users that trust on all said IP, therefore can bring shared potential safety hazard.
Therefore; Need a kind ofly to support to share and the NFS and the method for cooperation, make the user can be under the Internet network environment, own file be set to share; Allow other to be endowed the trust user capture Shared Folders of specified permission; And support the co-operation between the user, and make under the situation of the modification that shared file takes place, can be immediately the variation of file be presented on the NFS of all sharing users.
Summary of the invention
The object of the present invention is to provide a kind of support NFS and method shared and cooperation; Can be held in the file-sharing and the cooperation of Internet environment lower network file system; Support the user that sharing of local file is set; Can not rely on IP accessed shared resource, the fail safe that has improved NFS.
For addressing the above problem, the present invention provides a kind of NFS shared and cooperation of supporting, comprising:
Client is installed in the local disk, is used for the local user and registers login, and the Share Permissions of at least one shared file, sharing users and sharing users is set, and sends and receive the shared file of sharing invitation and visiting other users;
Server with said client communication, is used to support the various operations of said client, and realizes sharing and cooperation of a plurality of sharing users through predefine multiple users share file coordination mechanism.
Further, said client comprises:
Login module is used for the local user to said server registration, logins the NFS that said support is shared and cooperated;
Module is set, is used for the Share Permissions that the local user is provided with shared file, sharing users and sharing users;
Invite module, be used for the local user and send the shared feedback information of said sharing users of inviting and receive said shared invitation to certain sharing users;
Access modules is used for the shared file that the local user read or revised other users.
Further, the said module that is provided with is provided with at least one shared file and at least one sharing users through interpolation or deletion action.
Further, the said module that is provided with is through adding, cancel or retouching operation being provided with the Share Permissions of each sharing users.
Further, said invitation module also is used to receive the feedback information to said shared invitation reception or refusal that said sharing users is returned through said server.
Further, said predefine multiple users share file coordination mechanism is entrusted mechanism for read-write, comprising:
The shared file owner authorizes according to said access shared file pattern that a sharing users writes scope of authority and/or at least one sharing users reads scope of authority;
If certain shared file has been authorized sharing users A and read scope of authority, then when sharing users B need read said shared file, sharing users B was still authorized the scope of authority that reads of said shared file;
If certain shared file has been authorized sharing users A and has been read scope of authority; Then if sharing users B need revise said shared file, sharing users B the said shared file of request write scope of authority the time will trigger the action of snapshot, generated the snapshot shared file; Sharing users B obtains the scope of authority that writes of said shared file; Sharing users A will change file handle, obtains the scope of authority that reads of said snapshot shared file, and the snapshot shared file is proceeded read operation;
If certain shared file has been authorized sharing users A and has been write scope of authority; Can exist the snapshot shared file of said shared file this moment; If then user B need read said shared file, will obtain the file handle of said snapshot shared file and read scope of authority;
If certain shared file has been authorized sharing users A and has been write scope of authority, then if sharing users B need revise said shared file, then sharing users B the said shared file of request write scope of authority the time will fail.
Further, said predefine multiple users share file coordination mechanism writes for the multi-user and merges automatically and writes contention mechanism, comprising:
If a plurality of sharing users are not occured simultaneously for the content modification of same shared file, then merge the modification content of said a plurality of sharing users automatically, and do not produce the conflict copy of said shared file;
If a plurality of sharing users have common factor for the content modification of same shared file; The file content of the sharing users of then submit to revising at first will cover the original contents of said shared file, and other sharing users will be kept in the conflict copy of the corresponding said shared file of said sharing users the modification of said shared file content.
Further, said conflict copy naming rule: the user name of shared file name+sharing users+conflict copy rise time.
Further, during for the content modification of same shared file, use additional character to mark out, and mark out by who sharing users and when revise in the position of content modification in a plurality of sharing users.
Further, the owner of said shared file handles said shared file, and deletes unnecessary conflict copy.
Accordingly, the present invention also provides a kind of method of using the above-mentioned NFS of sharing and cooperating, comprising:
The local user is through the said NFS of sharing and cooperating of said client registration login;
The local user is provided with at least one shared file through said client, for said shared file is added at least one sharing users and the Share Permissions of each sharing users is set;
The local user sends to share at least one sharing users through said client and invites;
Said server sends to said shared invitation to said sharing users;
Accept this shared file of sharing users visit of said shared invitation;
Said server is realized a plurality of sharing users sharing and cooperation this shared file through predefine multiple users share file coordination mechanism.
Compared with prior art, NFS and method that support provided by the invention is shared and cooperated have following beneficial effect:
1, is supported in the file-sharing and the cooperation of Internet environment lower network file system;
2, support the user that sharing of local file is set, and can visit the Shared Folders that other users are provided with;
3, sharing users can be through Internet to the shared file cooperative operation, and sharing users can be embodied in all immediately to the modification of shared file has authority to visit the NFS of the sharing users of said file;
4, the mechanism through client interpolation sharing users makes sharing users can not rely on IP accessed shared resource;
5, the conflict that has solved efficiently under the situation that occurs many sharing users cooperations when the NFS file is shared is handled;
6, improved the fail safe of NFS.
Description of drawings
Fig. 1 is that the support of the embodiment of the invention one is shared and the configuration diagram of the NFS of cooperation;
Fig. 2 is that the application support of the embodiment of the invention two is shared and the method flow diagram of the NFS of cooperation.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment support NFS and method shared and cooperation that the present invention proposes are done further explain.
Embodiment one
As shown in Figure 1, the embodiment of the invention one provides a kind of NFS shared and cooperation of supporting, comprising: client 10 and server 20.
In the present embodiment; Said client 10 is installed in the local disk, is used for the local user and registers login, and the Share Permissions of at least one shared file, sharing users and sharing users is set; Send and receive and share the shared file of inviting and visiting other users, comprising:
Login module 101 is used for the local user to said server registration, logins the NFS that said support is shared and cooperated;
Module 102 is set, is used for the local user through adding or deletion action is provided with at least one shared file and at least one sharing users, through adding, cancel or retouching operation being provided with the Share Permissions of each sharing users;
Invite module 103, be used for the local user and send shared invitation, also be used to receive the feedback information that said sharing users is returned through said server said shared invitation reception or refusal to certain sharing users;
Access modules 104 is used for the shared file that the local user read or revised other users.
Wherein, the local user also can be a file through the shared file that module 102 interpolations or deletion are set, and in this document folder a plurality of files is arranged;
Simultaneously, module 102 being set can comprise for the Share Permissions of each sharing users setting:
(1) reader: the sharing users with this authority can be checked shared file and moved shared routing, still can not change and deleted file, i.e. read-only authority;
(2) participant: allow sharing users to check all shared files, add shared file, change shared file and deletion shared file, i.e. access limit;
(3) co-owner: the sharing users that is endowed ' co-owner ' authority has identical authority with the Shared Folders owner; Promptly; Complete control; ' co-owner ' can check, changes, adds and delete shared file in Shared Folders, and can share for this Shared Folders adds ' reader ', ' participant ', ' co-owner ' and cancellation.
In the present embodiment, server 20 is communicated by letter with said client 10, is used to support the various operations of said client 10, and realizes sharing and cooperation of a plurality of sharing users through predefine multiple users share file coordination mechanism.
Multi-user's share and a key issue of cooperating are how to solve the write collision problem of a plurality of users to shared file.Present embodiment is to supporting to share and the predefine multiple users share file coordination mechanism of the NFS of cooperation has proposed two schemes; First kind of scheme is to adopt the read-write way of bailment; When having the sharing users that writes trust shared file is operated, adopt exclusive access; Second kind of scheme then supports many sharing users simultaneously to the operation of shared file, and merges the shared file that produces conflict as possible.
Scheme one: said predefine multiple users share file coordination mechanism adopts the processing mode based on read-write trust and snapping technique for reading and writing the mechanism of entrusting, and comprising:
The shared file owner authorizes according to said access shared file pattern that a sharing users writes scope of authority and/or at least one sharing users reads scope of authority;
If certain shared file has been authorized sharing users A and read scope of authority, then when sharing users B need read said shared file, sharing users B was still authorized the scope of authority that reads of said shared file;
If certain shared file has been authorized sharing users A and has been read scope of authority; Then if sharing users B need revise said shared file, sharing users B the said shared file of request write scope of authority the time will trigger the action of snapshot, generated the snapshot shared file; Sharing users B obtains the scope of authority that writes of said shared file; Sharing users A will change file handle, obtains the scope of authority that reads of said snapshot shared file, and the snapshot shared file is proceeded read operation;
If certain shared file has been authorized sharing users A and has been write scope of authority; Can exist the snapshot shared file of said shared file this moment; If then user B need read said shared file, will obtain the file handle of said snapshot shared file and read scope of authority;
If certain shared file has been authorized sharing users A and has been write scope of authority, then if sharing users B need revise said shared file, then sharing users B the said shared file of request write scope of authority the time will fail.
Need to prove that the snapshot shared file is meant that the portion of this shared file on certain time point copies fully; And the file operation trust is meant that the shared file owner is used for this shared file administration authority is entrusted to a kind of scheme of sharing users, whether authorizes the read-write trust fully by shared file owner decision, and sharing users can not ask to entrust.Shared file owner determines whether authorizing trust according to sharing users to this access shared file pattern, and the generation of the snapshot shared file described in the present embodiment will use Copy on write (copy on write) strategy to produce.
Scheme two: said predefine multiple users share file coordination mechanism writes for the multi-user and merges automatically and writes contention mechanism, comprising:
If a plurality of sharing users are not occured simultaneously for the content modification of same shared file, then merge the modification content of said a plurality of sharing users automatically, and do not produce the conflict copy of said shared file;
If a plurality of sharing users have common factor for the content modification of same shared file; The file content of the sharing users of then submit to revising at first will cover the original contents of said shared file, and other sharing users will be kept in the conflict copy of the corresponding said shared file of said sharing users the modification of said shared file content.
Preferably, during for the content modification of same shared file, use additional character to mark out, and to mark out be sharing users and the modification time thereof that carries out content modification in the position of content modification in a plurality of sharing users; The owner of said shared file handles said shared file, and deletes unnecessary conflict copy; In the present embodiment, said conflict copy naming rule is: the user name of shared file name+sharing users+conflict copy rise time.
For example: three sharing users A, B, C are arranged simultaneously to the shared file test.txt modification of cooperating; If the file content that these three sharing users are revised does not overlap; Shared file test.txt will merge the modification content of three sharing users automatically so, and not produce the conflict copy of shared file test.txt; If the file content that these three sharing users are revised has coincidence; Promptly writing conflict can't avoid; And that present a paper the modification content at first is sharing users A, can produce test.txt, test (B conflicted copy 2010-8-419:28:32), test (C conflicted copy 2010-8-419:28:35) so.Wherein shared file test.txt is the amended content of sharing users A.At this moment, use additional character to mark out, and mark out by who sharing users and when revise in the position of content modification.The owner of said shared file handles said shared file test.txt; And delete unnecessary conflict copy, can test (B conflicted copy2010-8-419:28:32) or test (C conflicted copy 2010-8-419:28:35).
Embodiment two
As shown in Figure 2, the embodiment of the invention two provides a kind of method of the application implementation example one described NFS of sharing and cooperating, and comprising:
The local user registers to said server 20 through the login module 101 of said client 10, and logins the NFS that said support is shared and cooperated;
The local user is provided with at least one shared file through the module 102 that is provided with of said client 10, for said shared file is added at least one sharing users and the Share Permissions of each sharing users is set;
The local user sends to share at least one sharing users through the invitation module 103 of said client 10 and invites;
Said server 20 sends to said shared invitation to said sharing users;
Accept this shared file of sharing users visit of said shared invitation;
Said server 20 is realized a plurality of sharing users sharing and cooperation this shared file through predefine multiple users share file coordination mechanism.
In the present embodiment, the local user can also read or revise other users' shared file through the access modules 104 of said client 10.Said server 20 can be sent to said shared invitation to said sharing users through instant communication client etc., and the feedback sharing users receives the invitation module 103 of this result of sharing the acceptance of inviting or refusal to the local user; After sharing users is accepted to share invitation, can withdraw from this access shared file at any time; The owner of shared file also can cancel or change the Share Permissions of sharing users at any time.
In sum; NFS and method that support provided by the invention is shared and cooperated; Make the user can be under the internet network environment; Be set to shared file (folder) through the own local folders of client; And can visit the Shared Folders that other users are provided with, and allowing the local shared shared file (folder) that is provided with of other sharing users that is endowed specified permission visits simultaneously, the mechanism of adding sharing users through client makes sharing users can not rely on IP accessed shared resource; Said server is supported the co-operation between the user through predefine multiple users share file coordination mechanism; Make under the situation of the modification that shared file takes place; Can be immediately the variation of file be presented on the NFS of all sharing users; The fail safe that has improved NFS is handled in the conflict that has solved efficiently under the situation that occurs many sharing users cooperations when the NFS file is shared.
Obviously, those skilled in the art can carry out various changes and modification to invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1. support NFS shared and cooperation for one kind, it is characterized in that, comprising:
Client is installed in the local disk, is used for the local user and registers login, and at least one shared file, sharing users, and the Share Permissions of sharing users are set, and sends and receive to share the shared file of inviting and visiting other users;
Server with said client communication, is used to support the various operations of said client, and realizes sharing and cooperation of a plurality of sharing users through predefine multiple users share file coordination mechanism.
2. the NFS that support as claimed in claim 1 is shared and cooperated is characterized in that said client comprises:
Login module is used for the local user to said server registration, and logins the NFS that said support is shared and cooperated;
Module is set, is used for the Share Permissions that the local user is provided with shared file, sharing users and sharing users;
Invite module, be used for the local user and send shared invitation to certain sharing users;
Access modules is used for the shared file that the local user read or revised other users.
3. the NFS that support as claimed in claim 2 is shared and cooperated is characterized in that, the said module that is provided with is provided with at least one shared file and at least one sharing users through interpolation or deletion action.
4. support as claimed in claim 3 is shared and the NFS of cooperation, it is characterized in that, the said module that is provided with is through adding, cancel or retouching operation being provided with the Share Permissions of each sharing users.
5. the NFS that support as claimed in claim 1 is shared and cooperated is characterized in that, said invitation module also is used to receive the feedback information to said shared invitation reception or refusal that said sharing users is returned through said server.
6. the NFS that support as claimed in claim 1 is shared and cooperated is characterized in that, said predefine multiple users share file coordination mechanism is entrusted mechanism for read-write, comprising:
The shared file owner authorizes according to said access shared file pattern that a sharing users writes scope of authority and/or at least one sharing users reads scope of authority;
If certain shared file has been authorized sharing users A and read scope of authority, then when sharing users B need read said shared file, sharing users B was still authorized the scope of authority that reads of said shared file;
If certain shared file has been authorized sharing users A and has been read scope of authority; Then if sharing users B need revise said shared file, sharing users B the said shared file of request write scope of authority the time will trigger the action of snapshot, generated the snapshot shared file; Sharing users B obtains the scope of authority that writes of said shared file; Sharing users A will change file handle, obtains the scope of authority that reads of said snapshot shared file, and the snapshot shared file is proceeded read operation;
If certain shared file has been authorized sharing users A and has been write scope of authority; Can exist the snapshot shared file of said shared file this moment; If then user B need read said shared file, will obtain the file handle of said snapshot shared file and read scope of authority;
If certain shared file has been authorized sharing users A and has been write scope of authority, then if sharing users B need revise said shared file, then sharing users B the said shared file of request write scope of authority the time will fail.
7. the NFS that support as claimed in claim 1 is shared and cooperated is characterized in that, said predefine multiple users share file coordination mechanism writes for the multi-user and merges automatically and writes contention mechanism, comprising:
If a plurality of sharing users are not occured simultaneously for the content modification of same shared file, then merge the modification content of said a plurality of sharing users automatically, and do not produce the conflict copy of said shared file;
If a plurality of sharing users have common factor for the content modification of same shared file; The file content of the sharing users of then submit to revising at first will cover the original contents of said shared file, and other sharing users will be kept in the conflict copy of the corresponding said shared file of said sharing users the modification of said shared file content.
8. the NFS that support as claimed in claim 7 is shared and cooperated is characterized in that said conflict copy naming rule is:
The user name of shared file name+sharing users+conflict copy rise time.
9. the NFS that support as claimed in claim 7 is shared and cooperated; It is characterized in that; In a plurality of sharing users during for the content modification of same shared file; Use additional character to mark out in the position of content modification, and to mark out be sharing users and the modification time thereof that carries out content modification.
10. the NFS that support as claimed in claim 7 is shared and cooperated is characterized in that the owner of said shared file handles said shared file, and deletes unnecessary conflict copy.
11. an application rights requires the method for the 1 described NFS of sharing and cooperating, and it is characterized in that, comprising:
The local user is through the said NFS of sharing and cooperating of said client registration login;
The local user is provided with at least one shared file through said client, for said shared file is added at least one sharing users and the Share Permissions of each sharing users is set;
The local user sends to share at least one sharing users through said client and invites;
Said server sends to said shared invitation to said sharing users;
Accept this shared file of sharing users visit of said shared invitation;
Said server is realized a plurality of sharing users sharing and cooperation this shared file through predefine multiple users share file coordination mechanism.
12. method as claimed in claim 11 is characterized in that,
The login module of local user through said client be to said server registration, and login that said support is shared and the NFS of cooperation;
The local user is provided with at least one shared file through the module that is provided with of said client, for said shared file is added at least one sharing users and the Share Permissions of each sharing users is set;
The local user sends to share to certain sharing users through the invitation module of said client and invites and receive the feedback information of said sharing users to said shared invitation;
The local user reads or revises other users' shared file through the access modules of said client.
13. method as claimed in claim 12 is characterized in that, the said module that is provided with is provided with at least one file of sharing and at least one sharing users through interpolation or deletion action.
14. method as claimed in claim 13 is characterized in that, the said module that is provided with is through adding, cancel or retouching operation being provided with the Share Permissions of each sharing users.
15. support as claimed in claim 12 is shared and the NFS of cooperation, it is characterized in that, said invitation module also is used to receive the feedback information to said shared invitation reception or refusal that said sharing users is returned through said server.
16. method as claimed in claim 11 is characterized in that, said predefine multiple users share file coordination mechanism is entrusted mechanism for read-write, comprising:
The shared file owner authorizes according to said access shared file pattern that a sharing users writes scope of authority and/or at least one sharing users reads scope of authority;
If certain shared file has been authorized sharing users A and read scope of authority, then when sharing users B need read said shared file, sharing users B was still authorized the scope of authority that reads of said shared file;
If certain shared file has been authorized sharing users A and has been read scope of authority; Then if sharing users B need revise said shared file, sharing users B the said shared file of request write scope of authority the time will trigger the action of snapshot, generated the snapshot shared file; Sharing users B obtains the scope of authority that writes of said shared file; Sharing users A will change file handle, obtains the scope of authority that reads of said snapshot shared file, and the snapshot shared file is proceeded read operation;
If certain shared file has been authorized sharing users A and has been write scope of authority; Can exist the snapshot shared file of said shared file this moment; If then user B need read said shared file, will obtain the file handle of said snapshot shared file and read scope of authority;
If certain shared file has been authorized sharing users A and has been write scope of authority, then if sharing users B need revise said shared file, then sharing users B the said shared file of request write scope of authority the time will fail.
17. method as claimed in claim 11 is characterized in that, said predefine multiple users share file coordination mechanism writes for the multi-user and merges automatically and writes contention mechanism, comprising:
If a plurality of sharing users are not occured simultaneously for the content modification of same shared file, then merge the modification content of said a plurality of sharing users automatically, and do not produce the conflict copy of said shared file;
If a plurality of sharing users have common factor for the content modification of same shared file; The file content of the sharing users of then submit to revising at first will cover the original contents of said shared file, and other sharing users will be kept in the conflict copy of the corresponding said shared file of said sharing users the modification of said shared file content.
18. method as claimed in claim 17 is characterized in that, said conflict copy naming rule is:
The user name of shared file name+sharing users+conflict copy rise time.
19. method as claimed in claim 17; It is characterized in that; During for the content modification of same shared file, use additional character to mark out in a plurality of sharing users, and to mark out be sharing users and the modification time thereof that carries out content modification in the position of content modification.
20. method as claimed in claim 17 is characterized in that, the owner of said shared file handles said shared file, and deletes unnecessary conflict copy.
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| CN107004180A (en) * | 2014-11-17 | 2017-08-01 | 微软技术许可有限责任公司 | The native representations of the file being shared in diverse location |
| CN109213739A (en) * | 2017-06-29 | 2019-01-15 | 上海共联通信信息发展有限公司 | A kind of information processing method of shared file |
| CN109815200A (en) * | 2019-01-14 | 2019-05-28 | 腾讯科技（深圳）有限公司 | A kind of sharing files method, apparatus and storage medium |
| CN112232776A (en) * | 2020-10-21 | 2021-01-15 | 苏州速显微电子科技有限公司 | Multi-user engineering cooperation method |
| CN112990865A (en) * | 2021-03-10 | 2021-06-18 | 上海伯俊软件科技有限公司 | Cooperative work system, method, storage medium and computer device |
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