CN1852105A - Method and system for realizing end-to-end data sharing - Google Patents
Method and system for realizing end-to-end data sharing Download PDFInfo
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Abstract
This invention discloses a system for realizing end-to-end file sharing including one or more provider terminals providing shared files connected with each other by communication network, one or more downloading terminals downloading the shared files, a management server searching for shared files and a show server providing state information service, in which, the management server searches for the shared files in the shared content information of related shared files submitted by the provider terminals and transfers the address information of the providers got from the search to the downloading terminals sending the search content information. This invention discloses a method for realizing end-to-end file sharing.
Description
Technical field
The present invention relates to the file-sharing technology, particularly realize end-to-end (peer to peer, P2P) system and method for file-sharing.
Background technology
The P2P technology is a kind of be used to realize data or service share technique between the different user terminals, and it need not the process trunking and directly swap data or service between different user terminals.The P2P technology has been broken traditional data or service client/server (Client/Server) pattern that technology of sharing adopted, each node in the peer-to-peer network all is on the identical status and has the double grading of client and server concurrently, so it can be simultaneously as data or service providers and user.At the P2P file-sharing, each node in the peer-to-peer network can be simultaneously as the supplier and the user of shared file, and said herein user typically refers to the download person of shared file.
Fig. 1 is a structure chart of realizing the system of P2P file-sharing in the prior art.The system that realizes the P2P file-sharing in the prior art comprises: communication network 150, management server (management server, MS) 100, one or more download person's terminal 110 and one or more supplier's terminal 120, wherein 120 at MS 100, download person's terminal 110 and supplier's terminal interconnect by communication network 150.Usually, file content supplier terminal 120 submits to the shared content information relevant with shared file to give MS 100, should share in the information such as name that content information generally comprises shared file, type, size, summary one or more, MS 100 receives behind this shared content information in the content data base that it is stored in self usefulness for download person's terminal 110 search shared files, common, submit to shared content information to give in the process of management server in supplier's terminal, management server is preserved the address of supplier's terminal automatically.Afterwards, when MS 100 receive from a certain download person's terminal 110 be used to search for the search content information of shared file after, promptly in its data storehouse, search for the address that obtains relevant shared file supplier terminal 120 and with it and send to this download person's terminal 110, this download person's terminal 110 can directly connect to download shared file with corresponding supplier's terminal 120 according to this address, in addition, MS 100 also can further provide from corresponding supplier's terminal 120 and download the address of other download person's terminals of these shared files to this download person's terminal 110, other download person's terminals have been downloaded part or all of shared file usually, then should download person's terminal 110 can further download shared file from other download person's end according to these addresses, thereby the raising speed of download, other download person's terminals also can be considered to supplier's terminal in this case.
Fig. 2 is the structure chart of MS 100 in the prior art, common MS 100 comprises the data content management module 201 and the content search module 202 that can intercom mutually, wherein data content management module 201 is used to receive the shared content information from supplier's terminal 120, is stored in it in self the content data base 208 as data record and sets up relative index; Content search module 202 is used to receive the search content information from download person's terminal 110, search in data content management module 201 by index, and the address information of relevant shared file supplier's terminal 120 that will search sends to download person's terminal 110.
For narrate clear for the purpose of, the method of described herein realization P2P file-sharing, be example all with the system that only comprises download person's terminal 110 and supplier's terminal 120, system with a plurality of download person's terminals 110 or a plurality of supplier's terminals 120, its system works principle and the system similarity that only comprises download person's terminal 110 and supplier's terminal 120.
Fig. 3 is that supplier's terminal 120 is submitted the flow chart of sharing content to MS 100 in the prior art, and supplier's terminal 120 submits to the flow process of sharing content may further comprise the steps to MS 100 in the prior art:
Step 301～302: supplier's terminal 120 is submitted to data content management module 201 and is shared content information; The shared content information of data content management module 201 storage supplier terminals 120.
Wherein, the shared content information in the step 301 and 302 comprises one or more in the information such as name, type, size, summary of file content.
Fig. 4 is the flow chart that download person's terminal 110 is carried out down operation in the prior art, and the flow process that download person's terminal 110 is carried out down operation in the prior art may further comprise the steps:
Step 401～405: download person's terminal 110 sends search content information to content search module 202; Data content management module 201 and content search module 202 are carried out search procedure, be the search content information that content search module 202 sends according to download person's terminal 110, in the shared content information that supplier's terminal that data content management module 201 is stored is submitted to, search for shared file; The address information of relevant shared file supplier's terminal 120 that content search module 202 will search sends to download person's terminal 110; Download person's terminal 110 and supplier's terminal 120 connect; Supplier's terminal 120 is carried out the downloading process of downloading shared file from download person's terminal 110.
Wherein, the search content information in the step 401 comprises one or more in the information such as name, type, size, summary of file content.
Common, in system, because MS can not be known the current state of supplier's terminal in real time, so when carrying out file search, following problems might occur with existing techniques in realizing P2P file-sharing:
Because MS can not be known the current state of supplier's terminal in real time, so the information of the usefulness of the relevant shared file supplier terminal of Gong the search that MS is stored only comprises the shared content information that supplier's terminal is submitted to, the name of file content just, type, size, information such as summary, and do not comprise such as the current available or disabled state information of supplier's terminal, then inevitably there is following possibility, after promptly download person's terminal is received relevant shared file supplier's terminal address information of MS transmission, attempt just to find when connecting with supplier's terminal supplier's terminal unavailable and, certainly also just can't connect, this has caused search efficiency low.
In addition, in system, because download person's terminal can not be known the current state of supplier's terminal in real time, so carrying out following problems might occurring when file is downloaded with existing techniques in realizing P2P file-sharing:
Because download person's terminal can't be known the current state information of supplier's terminal in real time, then inevitably there is following possibility, after promptly if the down operation of download person's terminal and supplier's terminal room interrupts because of supplier's terminal is unavailable, when supplier's terminal returns to upstate again, download person's terminal can not know in real time that this state changes, also just can't rebuild in real time and connect so that the continuation download has influenced download efficiency.
In the practical application, the problems referred to above have influenced the result of use of existing P2P shared file system, cause user experience not good.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of system of the P2P of realization file-sharing, make MS can know the current state of content provider's terminal in real time.
The present invention also aims to provide a kind of method of the P2P of realization file-sharing, make MS can know the current state of content provider's terminal in real time.
An aspect according to above-mentioned purpose, the invention provides a kind of system of the P2P of realization file-sharing, this system comprises: communication network, one or more supplier's terminals that shared file is provided, download person's terminal of one or more shared files to be downloaded, and the management server that the shared file searching service is provided, described download person's terminal, supplier's terminal and management server interconnect by described communication network, described management server receives the shared content information with the relevant shared file of storing described supplier's terminal submission
Described system also comprises the presence server that the state information business is provided, it interconnects by described communication network and described management server and supplier's terminal, obtain the state information of described supplier's terminal and offer described management server stores, described management server is used to search for the search content information of shared file and supplier's terminal's status information of its storage according to what download person's terminal was submitted to, in the shared content information that supplier's terminal of its storage is submitted to, search for shared file, and supplier's terminal address information of the shared file that search is obtained sends the download person who sends search content information to.
Wherein, described presence server further interconnects by described communication network and described download person's terminal, and the state information that described supplier's terminal further is provided is to the download person's terminal from this supplier's terminal downloads shared file.
Wherein, described management server comprises: the data content management module that is used to store supplier's terminal's status information that shared content information that supplier's terminal submits to and presence server provide; The content search module that intercoms mutually with described data content management module; And with the mutual communication interruption processing module of described data content management module;
Described content search module is used to receive the search content information that described download person's terminal is submitted to, supplier's terminal's status information according to this information and data content management module stores, in the shared content information that supplier's terminal of data content management module stores is submitted to, search for shared file, and supplier's terminal address information of the corresponding shared file that search is obtained sends the download person's terminal that sends search content information to
Described interruption processing module is used for judgment processing is carried out in the state change of supplier's terminal, it knows that by the data content management module state of supplier's terminal changes, and the state information of supplier's terminal of its storage of notification data content managing module real-time update.
Another aspect according to above-mentioned purpose, the present invention also provides a kind of method of the P2P of realization file-sharing, be applicable to and comprise that interconnective one or more of communication network provides supplier's terminal of shared file, download person's terminal of one or more shared file to be downloaded, and provide in the system of management server of shared file searching service, increase the presence server that the state information business is provided in system, supplier's terminal submits to shared content information to comprise for the flow process of management server in this method:
A1, supplier's terminal are submitted to and are shared content information to management server;
A2, management server subscribe to and know in real time the state information of this supplier's terminal to presence server;
The shared content information that A3, this supplier's terminal of management server stores are submitted to and the state information of this supplier's terminal;
Download person's terminal comprises by the flow process of management server search and download shared file:
B1, download person's terminal are submitted to and are used to search for the search content information of shared file to management server;
B2, management server are according to the search content information of download person's terminal submission and supplier's terminal's status information of its storage, in the shared content information that supplier's terminal of its storage is submitted to, search for shared file, and supplier's terminal address information of the corresponding shared file that search is obtained sends the download person's terminal that sends search content information to;
B3, download person's terminal according to this address information from corresponding supplier's terminal downloads shared file.
Wherein, the state information of described supplier's terminal comprises: the upstate information that expression supplier terminal is online or agreement is used, and represent that supplier's terminal is not online or disagree with the down state information that is used;
Management server described in the step B2 is according to the search content information of download person's terminal submission and supplier's terminal's status information of its storage, the search shared file is specially in the shared content information that supplier's terminal of its storage is submitted to: the search content information that management server is submitted to according to download person's terminal is to search for shared file in the shared content information submitted to of available supplier's terminal in the current state of its storage.
Wherein, described shared content information comprises name, type, the size of shared file, the combination in any of summary.
Wherein, described search content information comprises name, type, the size of shared file, the combination in any of summary.
Wherein, management server described in the steps A 2 is subscribed to the state information of also knowing supplier's terminal in real time to presence server, specifically may further comprise the steps:
A21, management server send the solicited message of subscribing to supplier's SOT state of termination to presence server; Presence server is stored this solicited message; Presence server sends state subscription solicited message from management server to supplier's terminal; Supplier's terminal is returned the affirmation information of accepting or refusing subscribe request to presence server; Presence server judges whether supplier's terminal accepts the state subscription request from management server, if, execution in step A22 then, if not, process ends then;
A22, presence server read the state information of this supplier's terminal and it are offered management server.
Wherein, if after steps A 3 end, the state of described supplier's terminal changes, then management server upgrades supplier's SOT state of termination of being stored.
Wherein, download person's terminal is at first subscribed to the state information of this supplier's terminal among the described step B3 to presence server, downloads shared file again, and the state information that download person's terminal is subscribed to this supplier's terminal to presence server specifically may further comprise the steps:
B31, download person's terminal send the solicited message of subscribing to supplier's SOT state of termination to presence server; Presence server is stored this solicited message; Presence server sends state subscription solicited message from download person's terminal to supplier's terminal; Supplier's terminal is returned the affirmation information of accepting or refusing subscribe request to presence server; Presence server judges whether supplier's terminal receives the state subscription solicited message from download person's terminal, if, then execution in step B32 and subsequent step thereof, if not, process ends then;
B32, presence server read the state of supplier's terminal, and it is offered download person's terminal; Wherein, after downloading end, the cancellation of download person's terminal is to the state subscription of supplier's terminal, the cancellation of download person's terminal specifically comprises the state subscription of supplier's terminal: described download person's terminal sends cancellation state subscription information to presence server, and described presence server returns cancellation state subscription confirmation to download person's terminal.
Wherein, in the described shared file downloading process of step B3, cause it unavailable if the state of described supplier's terminal changes, then step B3 further comprises:
It is disabled state information that B33, supplier's terminal send its state to presence server; Presence server sends the disabled state information of this supplier's terminal to management server and download person's terminal; Management server is unavailable with the state information updating of this download person's terminal of its storage, and download person's terminal interrupts downloading and being provided with breakpoint.
Wherein, in the described shared file downloading process of step B3, cause it to return to upstate, further comprise behind the then described step B33 if the state of described supplier's terminal changes again:
It is available state information that B34, supplier's terminal send its state to presence server; Presence server sends the state information that this supplier's terminal can be used to management server and download person's terminal; Management server is available with the state information updating of this download person's terminal of its storage, and download person's terminal continues to download from described breakpoint.
As seen, the system and method for realization P2P provided by the invention file-sharing, by in system, increasing presence server (presence server, PS), this PS offers MS in real time with the current state information of content provider's terminal, the information of usefulness that makes Gong the search supplier terminal that MS stores is except the shared content information that supplier's terminal is submitted to, also comprise such as the current available or disabled state information of supplier's terminal, so MS can be that the shared content information that available supplier's terminal is submitted to is searched for to state only, the content provider's terminal that is then searched must connect so that download, and shared file supplier's terminal address that can not occur providing according to MS in the prior art is just found the disabled problem of supplier's terminal when connecting, and has therefore improved search efficiency greatly.
In addition, PS also offers download person's terminal in real time with the current state information of content provider's terminal among the present invention, make download person's terminal can know the current state of supplier's terminal in real time and carry out corresponding down operation in view of the above, after then if the down operation of download person's terminal and supplier's terminal room interrupts because of supplier's terminal is unavailable, when supplier's terminal returns to upstate again, download person's terminal can know in real time that this state changes, connect so that continue to download and rebuild in real time, therefore improved download efficiency greatly.
Hence one can see that, and the system and method for realization P2P provided by the invention file-sharing can improve user experience.
Description of drawings
Fig. 1 is a structure chart of realizing the system of P2P file-sharing in the prior art;
Fig. 2 is the structure chart of MS in the prior art;
Fig. 3 is that supplier's terminal is submitted the flow chart of sharing content in the prior art to MS;
Fig. 4 is the flow chart that download person's terminal is carried out down operation in the prior art;
Fig. 5 is a structure chart of realizing the system of P2P file-sharing among the present invention;
Fig. 6 is the structure chart of MS among the present invention;
Fig. 7 is that supplier's terminal is submitted the flow chart of sharing content among the present invention to MS;
Fig. 8 is the flow chart that download person's terminal is carried out down operation among the present invention;
Fig. 9 is the flow chart of supplier's SOT state of termination when " available " becomes " unavailable " in the downloading process of the present invention;
Figure 10 is the flow chart of supplier's SOT state of termination when " unavailable " reverts to " available " in the downloading process of the present invention.
Embodiment
Core concept of the present invention is: increase PS in system, subscribed to and know the state information of supplier's terminal by MS as the subscriber to PS.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 5 is a structure chart of realizing the system of P2P file-sharing among the present invention, the system that realizes the P2P file-sharing among the present invention comprises: communication network 550, MS 500, one or more download person's terminal 510, one or more supplier's terminal 520 and PS 530, wherein MS 500, download person's terminal 510, supplier's terminal 520 interconnect by communication network 550, and PS 530 is connected with MS 500, supplier's terminal 520 by communication network 550.
Wherein, PS 530 is a kind of common servers that the state information business is provided in the prior art, if the user terminal in the communication network wishes to know in real time the state information of another user terminal, then this user terminal can be subscribed to the state of another user terminal to PS 530 applications, after subscribing to successfully, when any change takes place in the state of another user terminal, PS 530 can notify this user terminal with this state change, then this user terminal promptly is the state subscription user terminal, and another user terminal promptly is the subscribed user terminal of state.
In the present invention, after certain supplier's terminal 520 will be shared content information and submit to MS 500, MS500 subscribes to the state information of this supplier's terminal 520 immediately to the PS 530, after this, any state information of this supplier's terminal 520 changes all will be real-time transmitted to MS 500 by PS 530, in this subscription procedure, MS 500 is as the state subscription user terminal, and this supplier's terminal 520 is as the subscribed user terminal of state.
In the system of realization P2P of the present invention file-sharing, PS 530 also can further be connected with download person's terminal 510 by communication network 550, then corresponding, after certain download person's terminal 510 connects with certain supplier's terminal 520, this download person's terminal 510 can be subscribed to the state information of this supplier's terminal 520 immediately, in whole downloading process, any state information of this supplier's terminal 520 changes all will be real-time transmitted to this download person's terminal 510 by PS 530, after this, these download person's terminal 510 cancellations are to the state subscription of this supplier's terminal 520, in this subscription procedure, this download person's terminal 510 is as the state subscription user terminal, and this supplier's terminal 520 is as the subscribed user terminal of state.
Here said state information at the file-sharing operation, generally specifically comprises: " interruption-free " information that user terminal rolls off the production line or do not wish to be used, and expression active user terminal is unavailable; " cancellation interruption-free " information of reaching the standard grade or agreeing to be used of user terminal, expression active user terminal can be used.In addition, actual PS 530 can also provide personalized more user terminal state information, for example the state information of the expression user emotion that is provided with by user terminal.
After introducing PS 530, MS 500 is except that receiving the shared content information of being submitted to by file content supplier terminal 520 in the system, also receive the state information of this document content provider terminal 520 of being submitted to by PS 530, MS 500 is with these information stores usefulness for search supplier terminal 520 in its data storehouse.Afterwards, receive the search content information of download person's terminal 510 transmissions as MS 500 after, can search in its data storehouse obtaining current available shared file supplier's terminal 520 addresses and it is sent to download person's terminal 510, download person's terminal 510 can directly connect to download shared file with corresponding supplier's terminal 520 according to this address.
Fig. 6 is the structure chart of MS 500 among the present invention, MS 500 among the present invention comprises: data content management module 601, content search module 602 and interruption processing module 603, can intercom mutually between central data content management module 601 and the content search module 602, can intercom mutually between data content management module 601 and the interruption processing module 603, and not contact between content search module 602 and the interruption processing module 603.
Wherein, data content management module 601 is used to receive from the shared content information of supplier's terminal 520 with from supplier's terminal 520 state informations of PS 530, is stored in its data storehouse as data record they and sets up relative index; Content search module 602 is used to receive the search content information from download person's terminal 510, in data content management module 601, search for shared file by index, and content provider's terminal 520 address informations that search are sent to download person's terminal 510, this search only limit to state information be available supplier's terminal 520 submit to shared content information scope in; Interruption processing module 603 is used for judgment processing is carried out in the state change of supplier's terminal 520 and download person's terminal 510, when the state of supplier's terminal 520 becomes when unavailable from available, PS 530 sends to data content management module 601 with this state change, interruption processing module 603 is known this variation back execution respective interrupt processing procedure by data content management module 601, being notification data content managing module 601 is updated to " unavailable " with the state of this supplier's terminal 520 of its storage, when but the state of supplier's terminal 520 becomes the time spent from unavailable, PS 530 sends to data content management module 601 with this state change, interruption processing module 603 is known this variation back execution respective interrupt processing procedure by data content management module 601, and promptly notification data administration module 601 is updated to " available " with the state of this supplier's terminal 520 of its storage.
Fig. 7 is that supplier's terminal 520 is submitted the flow chart of sharing content to MS 500 among the present invention, and supplier's terminal 520 submits to the process of sharing content may further comprise the steps to MS 500 among the present invention:
Step 701～704: supplier's terminal 520 is submitted to data content management module 601 and is shared content information; Data content management module 601 sends the solicited message of subscribing to supplier's terminal 520 states to PS 530; PS 530 these solicited messages of storage; PS 530 returns the affirmation information of receiving subscribe request to data content management module 601.
Step 705～707:PS 530 sends state subscription solicited message from MS 500 to supplier's terminal 520; Supplier's terminal 520 is returned the affirmation information of accepting or refusing subscribe request to PS 530; PS530 judges whether supplier's terminal 520 receives the state subscription request from supplier's terminal 520, if, then execution in step 708 and subsequent step thereof, if not, process ends then, the state subscription request of accepting from MS 500 with supplier's terminal 520 among Fig. 7 is an example.
Step 708～711, PS 530 returns supplier's terminal 520 receive statuss to data content management module 601 and subscribes to confirmation; Supplier's terminal 520 sends its current state information to PS 530; PS 530 sends the current state information of supplier's terminal 520 to data content management module 601; The shared content information of data content management module 601 storage supplier terminals 520 is comprising supplier's terminal 520 current state informations.
Subsequently, if any change takes place in the state of supplier's terminal 520, PS all can real-time informing data content management module 601 current states of upgrading these supplier's terminals 520, idiographic flow is seen step 712～714:
Step 712～714: supplier's terminal 520 changes information to PS 530 transmit statuss; PS 530 sends supplier's terminal 520 state change messages to data content management module 601; The current state information of supplier's terminal 520 is upgraded and stored to data content management module 601.
Wherein, the shared content information in the step 701 and 711 comprises one or more in the information such as name, type, size, summary of file content.
Fig. 8 is the flow chart that download person's terminal 510 is carried out down operation among the present invention, and the flow process that download person's terminal 510 is carried out down operation among the present invention may further comprise the steps:
Step 801～803: download person's terminal 510 sends search content information to content search module 602; Data content management module 601 and content search module 602 are carried out search procedure, the state information of the search content information that to be content search module 602 send according to download person's terminal 510 and supplier's terminal 520 of data content management module 601 storages is searched for shared file in the shared content information that supplier's terminal 520 of data content management module 601 storages is submitted to; Content search module 602 sends to download person's terminal 510 with content provider's terminal 520 address informations that search;
Step 804: download person's terminal 510 and supplier's terminal 520 connect.
Step 805: download person's terminal 510 is carried out from supplier's terminal 520 and is downloaded the downloading process of sharing content.
In addition, MS 500 also can further provide from corresponding supplier's terminal 520 and download the address of other download person's terminals of these shared files to this download person's terminal 510, other download person's terminals have been downloaded part or all of shared file usually, then should download person's terminal 510 can further download shared file from other download person's end according to these addresses, thereby the raising speed of download, other download person's terminals also can be considered to supplier's terminal in this case.
Download person's terminal 510 of the present invention is carried out in the flow process of down operation, if download person's terminal 510 is further subscribed to the state information of supplier's terminal 520 to PS 530, then can may further comprise the steps between the step 804 and 805:
Step 8041～8043: download person's terminal 510 sends the solicited message of subscribing to supplier's terminal 520 states to PS 530; PS 530 these solicited messages of storage; PS 530 returns the affirmation information of receiving subscribe request to download person's terminal 510.
Step 8044～8047:PS 530 sends state subscription solicited message from download person's terminal 510 to supplier's terminal 520; Supplier's terminal 520 is returned the affirmation information of accepting or refusing subscribe request to PS 530; PS 530 judges whether supplier's terminal 520 accepts the state subscription solicited message from download person's terminal 510, if then execution in step 8047, if not, process ends then, the state subscription request of accepting from download person's terminal 510 with supplier's terminal 520 among Fig. 8 is an example; PS 530 returns the affirmation information that supplier's terminal 520 is accepted subscription to download person's terminal 510.
Accordingly, after step 805, further may further comprise the steps:
Step 806～807: download person's terminal 510 sends cancellation state subscription information to PS 530; PS 530 returns cancellation state subscription confirmation to download person's terminal 510.
Wherein, the search content information in the step 801 comprises one or more in the information such as name, type, size, summary of file content.
In the downloading process of above-mentioned steps 805, if the current state of supplier's terminal 520 changes, then the download flow process of system also changes thereupon, and is specific as follows described:
Fig. 9 is that supplier's SOT state of termination is when " available " becomes " unavailable " in the downloading process of the present invention, and the concrete downloading process of system may further comprise the steps:
Step 901～902: supplier's terminal 520 sends its current disabled rolling off the production line or " interruption-free " information of expression to PS 530; It is disabled rolling off the production line or " interruption-free " information that PS 530 sends expression supplier terminal 520 current states to download person's terminal 510, also sending expression supplier terminal 520 current states to MS 500 simultaneously is disabled rolling off the production line or " interruption-free " information, download person's terminal 510 and PS530 be the independent separately corresponding operating of carrying out after receiving supplier's terminal 520 state change messages, MS500 execution in step 903～904 among Fig. 9, download person's terminal 510 execution in step 903 '.
Step 903～904: interruption processing module 603 and data content management module 601 are carried out the Interrupt Process process; Data content management module 601 is updated to the current state of the shared content of supplier's terminal 520 " unavailable " and stores it.
Step 903 ': download person's terminal 510 interrupts downloading and being provided with breakpoint, promptly preserves on-the-spot usefulness in order to subsequent download.
Figure 10 is that supplier's SOT state of termination is when " unavailable " returns to " available " in the downloading process of the present invention, and the concrete downloading process of system may further comprise the steps:
Step 1001～1002: supplier's terminal 520 sends its current available reaching the standard grade or " cancellation interruption-free " information of expression to PS 530; It is available reaching the standard grade or " cancellation interruption-free " information that PS 530 sends expression supplier terminal 520 current states to download person's terminal 510, it is disabled reaching the standard grade or " cancellation interruption-free " information that PS 530 sends expression supplier terminal 520 current states to MS 500, download person's terminal 510 and PS 530 be the independent separately corresponding operating of carrying out after receiving state change message, MS 500 execution in step 1003～1004 among Figure 10, download person's terminal 510 execution in step 1003 '.
Step 1003～1004: interruption processing module 603 and data content management module 601 are carried out the Interrupt Process process; Data content management module 601 is updated to the current state of the shared content of supplier's terminal 520 " available " and stores it.
Step 1003 ': download person's terminal 510 is connected from rebuilding with supplier's terminal 520, continues to download from breakpoint.
If above-mentioned steps 903 ' in have no progeny in downloading, 510 pairs of contents of not downloaded of download person's terminal are no longer interested, manually cancellation is downloaded the state subscription of content provider's terminal 520 to this, then after this supplier's terminal 520 returned to upstate, the content of not downloaded can not continue to download.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (13)
1, a kind of system that realizes end-to-end file-sharing, this system comprises: communication network, one or more supplier's terminals that shared file is provided, download person's terminal of one or more shared files to be downloaded, and the management server that the shared file searching service is provided, described download person's terminal, supplier's terminal and management server interconnect by described communication network, described management server receives the shared content information with the relevant shared file of storing described supplier's terminal submission, it is characterized in that
Described system also comprises the presence server that the state information business is provided, it interconnects by described communication network and described management server and supplier's terminal, obtain the state information of described supplier's terminal and offer described management server stores, described management server is used to search for the search content information of shared file and supplier's terminal's status information of its storage according to what download person's terminal was submitted to, in the shared content information that supplier's terminal of its storage is submitted to, search for shared file, and supplier's terminal address information of the shared file that search is obtained sends the download person who sends search content information to.
2, the system as claimed in claim 1, it is characterized in that, described presence server further interconnects by described communication network and described download person's terminal, and the state information that described supplier's terminal further is provided is to the download person's terminal from this supplier's terminal downloads shared file.
3, system as claimed in claim 1 or 2 is characterized in that, described management server comprises: the data content management module that is used to store supplier's terminal's status information that shared content information that supplier's terminal submits to and presence server provide; The content search module that intercoms mutually with described data content management module; And with the mutual communication interruption processing module of described data content management module;
Described content search module is used to receive the search content information that described download person's terminal is submitted to, supplier's terminal's status information according to this information and data content management module stores, in the shared content information that supplier's terminal of data content management module stores is submitted to, search for shared file, and supplier's terminal address information of the corresponding shared file that search is obtained sends the download person's terminal that sends search content information to
Described interruption processing module is used for judgment processing is carried out in the state change of supplier's terminal, it knows that by the data content management module state of supplier's terminal changes, and the state information of supplier's terminal of its storage of notification data content managing module real-time update.
4, a kind of method that realizes end-to-end file-sharing, be applicable to and comprise that interconnective one or more of communication network provides supplier's terminal of shared file, download person's terminal of one or more shared file to be downloaded, and provide in the system of management server of shared file searching service, it is characterized in that, increase the presence server that the state information business is provided in system, supplier's terminal submits to shared content information to comprise for the flow process of management server in this method:
A1, supplier's terminal are submitted to and are shared content information to management server;
A2, management server subscribe to and know in real time the state information of this supplier's terminal to presence server;
The shared content information that A3, this supplier's terminal of management server stores are submitted to and the state information of this supplier's terminal;
Download person's terminal comprises by the flow process of management server search and download shared file:
B1, download person's terminal are submitted to and are used to search for the search content information of shared file to management server;
B2, management server are according to the search content information of download person's terminal submission and supplier's terminal's status information of its storage, in the shared content information that supplier's terminal of its storage is submitted to, search for shared file, and supplier's terminal address information of the corresponding shared file that search is obtained sends the download person's terminal that sends search content information to;
B3, download person's terminal according to this address information from corresponding supplier's terminal downloads shared file.
5, method as claimed in claim 4, it is characterized in that, the state information of described supplier's terminal comprises: the upstate information that expression supplier terminal is online or agreement is used, and represent that supplier's terminal is not online or disagree with the down state information that is used;
Management server described in the step B2 is according to the search content information of download person's terminal submission and supplier's terminal's status information of its storage, the search shared file is specially in the shared content information that supplier's terminal of its storage is submitted to: the search content information that management server is submitted to according to download person's terminal is to search for shared file in the shared content information submitted to of available supplier's terminal in the current state of its storage.
6, system as claimed in claim 4 is characterized in that, described shared content information comprises name, type, the size of shared file, the combination in any of summary.
7, system as claimed in claim 4 is characterized in that, described search content information comprises name, type, the size of shared file, the combination in any of summary.
As claim 4 or 5 described methods, it is characterized in that 8, management server described in the steps A 2 is subscribed to the state information of also knowing supplier's terminal in real time to presence server, specifically may further comprise the steps:
A21, management server send the solicited message of subscribing to supplier's SOT state of termination to presence server; Presence server is stored this solicited message; Presence server sends state subscription solicited message from management server to supplier's terminal; Supplier's terminal is returned the affirmation information of accepting or refusing subscribe request to presence server; Presence server judges whether supplier's terminal accepts the state subscription request from management server, if, execution in step A22 then, if not, process ends then;
A22, presence server read the state information of this supplier's terminal and it are offered management server.
As claim 4 or 5 described methods, it is characterized in that 9, if after steps A 3 end, the state of described supplier's terminal changes, then management server upgrades supplier's SOT state of termination of being stored.
10, method as claimed in claim 5, it is characterized in that, download person's terminal is at first subscribed to the state information of this supplier's terminal among the described step B3 to presence server, download shared file again, the state information that download person's terminal is subscribed to this supplier's terminal to presence server specifically may further comprise the steps:
B31, download person's terminal send the solicited message of subscribing to supplier's SOT state of termination to presence server; Presence server is stored this solicited message; Presence server sends state subscription solicited message from download person's terminal to supplier's terminal; Supplier's terminal is returned the affirmation information of accepting or refusing subscribe request to presence server; Presence server judges whether supplier's terminal receives the state subscription solicited message from download person's terminal, if, then execution in step B32 and subsequent step thereof, if not, process ends then;
B32, presence server read the state of supplier's terminal, and it is offered download person's terminal;
11, method as claimed in claim 10, it is characterized in that, after downloading end, the cancellation of download person's terminal is to the state subscription of supplier's terminal, the cancellation of download person's terminal specifically comprises the state subscription of supplier's terminal: described download person's terminal sends cancellation state subscription information to presence server, and described presence server returns cancellation state subscription confirmation to download person's terminal.
12, method as claimed in claim 10 is characterized in that, in the described shared file downloading process of step B3, causes it unavailable if the state of described supplier's terminal changes, and then step B3 further comprises:
It is disabled state information that B33, supplier's terminal send its state to presence server; Presence server sends the disabled state information of this supplier's terminal to management server and download person's terminal; Management server is unavailable with the state information updating of this download person's terminal of its storage, and download person's terminal interrupts downloading and being provided with breakpoint.
13, method as claimed in claim 12 is characterized in that, in the described shared file downloading process of step B3, causes it to return to upstate if the state of described supplier's terminal changes again, further comprises behind the then described step B33:
It is available state information that B34, supplier's terminal send its state to presence server; Presence server sends the state information that this supplier's terminal can be used to management server and download person's terminal; Management server is available with the state information updating of this download person's terminal of its storage, and download person's terminal continues to download from described breakpoint.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2005101034701A CN100407627C (en) | 2005-09-15 | 2005-09-15 | Method and system for realizing end-to-end data sharing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2005101034701A CN100407627C (en) | 2005-09-15 | 2005-09-15 | Method and system for realizing end-to-end data sharing |
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| Publication Number | Publication Date |
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| CN1852105A true CN1852105A (en) | 2006-10-25 |
| CN100407627C CN100407627C (en) | 2008-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2005101034701A Expired - Fee Related CN100407627C (en) | 2005-09-15 | 2005-09-15 | Method and system for realizing end-to-end data sharing |
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