CN103200146A - Method and device for data synchronism of terminal and server - Google Patents
Method and device for data synchronism of terminal and server Download PDFInfo
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- CN103200146A CN103200146A CN2012100006403A CN201210000640A CN103200146A CN 103200146 A CN103200146 A CN 103200146A CN 2012100006403 A CN2012100006403 A CN 2012100006403A CN 201210000640 A CN201210000640 A CN 201210000640A CN 103200146 A CN103200146 A CN 103200146A
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Abstract
A protocol transformation platform device comprises a redirection module, a Session management module, a synchronous data management module and a protocol type transformation module. The redirection module is used for redirecting a target address into an address of a server and transforming a server address into an address of a protocol transformation platform, wherein the target address is located in a protocol which is sent by a terminal, and the server address is located in a protocol which is sent by the server. The Session management module is used for recording identification authentication information of the server and generating a synchronous session key for the time after the server passes through a data synchronous authentication request of the terminal. The synchronous data management module is used for replacing the session key in the data synchronous request sent by the terminal with the identification authentication information of the server in the process of data synchronism of the terminal and the server. The protocol type transformation module is used for transforming a first synchronous type in the protocol sent by the terminal to a second synchronous type which is specified by the server, and transforming the second synchronous type in the protocol sent by the server to the first synchronous type. The data synchronism between the terminal and the server is not limited by synchronous types of the terminal and the server, and the synchronous efficiency is improved.
Description
Technical field
The present invention relates to a kind of data transmission method, specifically is the method for data synchronization of a kind of terminal and server.
Background technology
SyncML is the general mobile data sync agreement of a kind of unique industry, the purpose of SyncML just is, with terminal use, equipment development merchant, metadata provider, basic component developer, application software developer and service provider's collaborative work, use any terminal equipment all can visit any network data whenever and wherever possible with real realization.SyncML provides the method for synchronization of 7 kinds of standards at present:
1, bi-directional synchronization: bi-directional synchronization finally reaches data consistent by the client-server data that synchronous last time, mutual back changed.
2, synchronously slow: bi-directional synchronization always by the mutual total data of client-server, finally reaches data consistent.
3, terminal one-way synchronization: only by client computer to server send go up subsynchronous after own updated information, and server does not send to terminal to the lastest imformation of oneself.
4, terminal refreshes synchronously: belong to a kind of of terminal one-way synchronization.Client computer is all issued server to own all data, and the data on the refreshing service device.
5, server one-way synchronization: client computer obtains the subsynchronous all lastest imformations of server afterwards there from server, but does not send the lastest imformation of oneself to server.
6, server refreshes synchronously: belong to a kind of of server one-way synchronization.Server is all issued terminal to all data, and refreshes the data of terminal.
7, server initiate synchronously: the six kinds of methods of synchronization in front all are the synchronizing processes of initiatively being initiated by client computer, and this method of synchronization is at first to notify terminal by server, allow its begin certain type synchronously.
SyncML is the information synchronization standard set of a platform independence specifically, is divided into SyncML Data Transport Protocol (SyncML-DS) and SyncML device management protocol (SyncML-DM).A complete SyncML-ds agreement comprises the endomorph (SyncBody) of protocol header (SyncHdr) and agreement.
1, SyncHdr: protocol header is mainly described the version of agreement essential information, agreement, the URL of this request and unique URI of this equipment correspondence.The information of protocol header generally can not change in a synchronizing process.
2, SyncBody: protocol body is the part of carrying order, data.In each synchronizing process, its content all can be different along with synchronous progress.In general protocol entity comprises following two parts: synch command, the state of command execution.
Adopt above-mentioned these existing methods of synchronization, all can realize the data sync of server end and terminal, just proposed a kind of terminal and synchronous method of server end data of realizing as No. 200810240185.8 patent application of China: at first the user selects to arrange the method for synchronization of pim data at the configuration file interface of terminal, system carries out corresponding simultaneous operation according to the method for synchronization that the user arranges, and before simultaneous operation, system will prepare earlier terminal data or the server end data of deletion respectively and carry out storage backup, call for subsequent operation.As user during because of the misoperation obliterated data, select to carry out this data rewind mechanism step, in order to after recovering original data, reselect the suitable method of synchronization and carry out again synchronously.This patent utilization SYNCML agreement realized PUT and two kinds of methods of synchronization of GET slowly synchronously, select easily to be as the criterion synchronously or to be as the criterion with terminal with server end to carry out synchronously for the user, also provide the secondary of deletion data to confirm, set up the operating procedures such as recycle bin of deleting data, the consistency of maintenance terminal and server end two side datas effectively.The method of synchronization of mobile number book house keeper business is similar substantially therewith at present.
There are following defective in the technology of existing SyncML synchrodata and method: existing method has solved the problem of terminal and server data sync substantially, but the application software that now a lot of terminals are installed is also not exclusively supported 7 kinds of standard agreements (only supporting bi-directional synchronization and synchronously slow as FOXMAIL) that the SyncML agreement provides, this has just limited synchronous mode, can't satisfy the requirement (wishing that as the user FOXMAIL energy server end refreshes synchrodata) of the synchrodata of user individual; Because the application software that terminal is installed is also not exclusively supported 7 kinds of standard agreements (only supporting bi-directional synchronization and slow synchronous as FOXMAIL) that the SyncML agreement provides, frequent bi-directional synchronization or comparison terminal and the data in server repeatedly synchronously slowly used influences the efficient of synchrodata.
Summary of the invention
For addressing the above problem, the method of data synchronization that the purpose of this invention is to provide a kind of terminal and server, a kind of protocol conversion platform also is provided simultaneously, utilizes protocol conversion platform and method for synchronous among the present invention to solve the problem that between different terminals and the server data synchronous protocol mode is limited.
For achieving the above object, the present invention at first provides the method for data synchronization of a kind of terminal and server, may further comprise the steps:
Terminal is initiated the authentication request of data sync to the protocol conversion platform;
The protocol conversion platform is redirected to server with described authentication request, and first wheel synchronization type in the described authentication request is converted to second wheel synchronization type of server appointment;
Server by described authentication request after, to protocol conversion platform return authentication result;
Server identity authentication information in the protocol conversion platform record authentication result, generate this subsynchronous session key, and the authenticating identity information in the described authentication result, server address and second wheel synchronization type replaced with session key, protocol conversion platform and first wheel synchronization type respectively, then the authentication result after the conversion is sent to terminal;
Terminal is initiated data synchronization request according to described session key and first wheel synchronization type to the protocol conversion platform;
The protocol conversion platform is redirected to server with described data synchronization request, and the session key in the described data synchronization request and first wheel synchronization type are converted to server identity authentication information and second wheel synchronization type respectively;
Server carries out data sync according to second wheel synchronization type to terminal.
The present invention is particularly useful for the SyncML agreement applicable to general Data Transport Protocol.
According to purpose of the present invention, a kind of protocol conversion stage apparatus also is provided, comprising:
Redirection module, being used for that destination address with agreement that terminal sends is redirected is server address, and server is sent the address that server address in the agreement is converted to the protocol conversion platform;
Session (Session) administration module is used for after server passes through the data sync authentication request of terminal, and record server identity authentication information generates this subsynchronous session key;
Synchrodata management module is used for carrying out session key in the data synchronization request that the process of data sync sends with server identity authentication information replacement terminal at terminal and server;
The protocol type modular converter is used for first wheel synchronization type of agreement that terminal sends is converted to second wheel synchronization type of server appointment, and server is sent first wheel synchronization type that second wheel synchronization type in the agreement is converted to terminal.
Technique effect of the present invention is, by the protocol conversion platform is set between terminal and server,, provides pseudo-by the protocol conversion platform and supports synchronously not under the situation of the method for synchronization of back-level server in terminal.Because terminal only needs to communicate by letter with the protocol conversion platform, so the data sync between terminal and the server no longer is subjected to the restriction of both sides' wheel synchronization type, and the while also can be improved synchronous efficiency.
Description of drawings
Fig. 1 is according to one of embodiment of protocol conversion platform of the present invention;
Fig. 2 is the flow chart of one of method of data synchronization embodiment according to terminal of the present invention and server.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described.Understand for convenience, having selected for use in the industry in the present embodiment, modal SyncML agreement realizes the present invention.It will be appreciated by those skilled in the art that to the present invention is to provide a solution, on other similar agreements, also can implement and use.
Embodiment one:
For realizing purpose of the present invention, to the restriction of data synchronous protocol mode, the present invention at first provides a kind of protocol conversion stage apparatus, is arranged between the terminal and server that need carry out data sync, as shown in Figure 1 between breakthrough different terminals and the server.
With reference to Fig. 1, the protocol conversion stage apparatus comprises 5 functional module redirection module, session administration module, synchrodata management module, protocol type administration module and introduces the function of each module below the protocol status administration module in detail.
1, terminal system: refer to the terminal that request msg is synchronous, for example mobile phone, palmtop PC, personal computer etc.In actual applications, some application software on the mobile phone terminal, for example address list may need to initiate the address list synchronization request to number housekeeper service device.
2, server: the synchronization server that refers to carry out with terminal data sync.Because the type of server and terminal is a lot, both sides often are subjected to the restriction of the method for synchronization in synchronous, can not select the best method of synchronization, and the efficient of data sync is very low.
3, protocol conversion stage apparatus: be used for realizing by the mode of protocol conversion between terminal and server a kind of functional platform of the optimum data method of synchronization, it comprises 5 modules:
Redirection module: major function makes the data synchronization request with terminal be redirected to server by the protocol conversion platform.Particularly, owing to be provided with the protocol conversion platform between terminal and server, so the request of data that terminal is initiated will point to the protocol conversion platform, can think that terminal regards the protocol conversion platform as server this moment; For server, then the protocol conversion platform is regarded terminal.Therefore, redirection module need send terminal destination address in the agreement and be redirected and to be server address, and server is sent the address that server address in the agreement is converted to the protocol conversion platform.
Session administration module, its major function make keeps logical relation unique in the whole synchronizing process.This logical relation mainly comprises: the number of times of authentication function, request etc.Particularly, this module need be at server by after the data sync authentication request of terminal, and record server identity authentication information generates this subsynchronous session key.Session key is with respect to the authentication information of protocol conversion platform, behind authentication success, terminal will use session key to communicate by letter with the protocol conversion platform, and the protocol conversion platform is when being redirected to server to the data sync agreement, then need to replace session key with the authentication information of server, this function is finished by synchrodata management module.
Synchrodata management module, major function is to change the data content that terminal generates, and passes to server.Particularly, be to carry out in the process of data sync replacing with the server identity authentication information session key in the data synchronization request that terminal sends at terminal and server.
Protocol type modular converter, major function make the data sync type of forging between terminal system A and the terminal system B.Particularly, be that terminal is sent second wheel synchronization type that first wheel synchronization type in the agreement is converted to the server appointment, and server is sent first wheel synchronization type that second wheel synchronization type in the agreement is converted to terminal.
The synchronous regime administration module is used for carrying out at terminal and server the process specific data result relatively of data sync.For example the synchrodata of the synchrodata of returning of reception server and terminal transmission compares, relatively back designated result (for example the server end data are up-to-date).
Embodiment two:
As shown in Figure 2, be the flow chart of the method for data synchronization of terminal of the present invention and server.
The 1st step: terminal is initiated the authentication request of data sync to the protocol conversion platform;
The 2nd step: the protocol conversion platform is redirected to server with described authentication request, and the change protocol type, first wheel synchronization type in the described authentication request is converted to second wheel synchronization type of server appointment.In this step, the protocol conversion platform can also be created this subsynchronous session simultaneously and keep authorization information and request number of times information;
The 3rd the step: server by described authentication request after, to protocol conversion platform return authentication result.At this moment, the verification terminal validity information requested that protocol conversion platform reception server returns can also be specified simultaneously synchronous regime (as: slow synchronously in directly return data result relatively);
The 4th step: protocol conversion platform Redirect URL (being destination address) will ask to point to terminal, and the session key that session is generated passes to terminal simultaneously.Concrete operations are: the server identity authentication information in the protocol conversion platform record authentication result, generate this subsynchronous session key, and the authenticating identity information in the described authentication result, server address and second wheel synchronization type replaced with session key, protocol conversion platform and first wheel synchronization type respectively, then the authentication result after the conversion is sent to terminal;
The 5th step: terminal request can synchrodata.Particularly, terminal is initiated data synchronization request according to described session key and first wheel synchronization type to the protocol conversion platform;
The 6th step: protocol conversion platform translation-protocol type, the B of requesting terminal system synchrodata.Particularly, the protocol conversion platform is redirected to server with described data synchronization request, and the session key in the described data synchronization request and first wheel synchronization type are converted to server identity authentication information and second wheel synchronization type respectively;
The 7th step: server returns synchrodata to the protocol conversion platform.In this process, server is according to second wheel synchronization type of self terminal to be carried out data sync;
The 8th step: protocol conversion platform change protocol type, return synchrodata and give terminal;
The 9th step: synchrodata finishes.
So far, once complete data synchronization process finishes.After with EOS, the protocol conversion platform will be deleted the session of foundation in this is subsynchronous and session key wherein.
Embodiment three:
Be the method for data synchronization that scene describes terminal and server in detail synchronously with foxmail address list and address book server (SnycML server) below, and the protocol conversion platform between terminal and the server.
In this programme, be the raising synchronization efficiency in (foxmail address list synchronization), need to use from the unidirectional address list content that refreshes terminal (foxmail) of server end, and the SyncML agreement that foxmail itself supports only supported synchronously slow and bi-directional synchronization.Protocol conversion platform of the present invention and method of data synchronization have just solved this problem.
At first, terminal (foxmail) is initiated synchronous authentication request, the protocol conversion platform is pointed in this request, protocol headers in the SyncML agreement has the destination address (protocol conversion platform address) of record authentication, and protocol entity partly comprises synchronous type information (as slow synchronous 201), data in synchronization structure.After the protocol conversion platform receives the authentication information of SyncML, need change the authentication goals address in the protocol header wherein, the wheel synchronization type of protocol entity, the address and the server end that are converted to the sync server respectively refresh (207).After converting new SyncML synchronous protocol is sent to the sync server end.Simultaneously, the protocol conversion platform need be created a session and is used for keeping whole synchronous authentication information (comprising the authentication information of server and the session key that session generates) and is connected number of times.
Server end is after passing through authentication, identity information with authentication, the type that this is subsynchronous, authentication result, the URL of service end is included in the protocol entity of SyncML agreement and returns to the protocol conversion platform, the protocol conversion platform is after receiving this authentication result, obtain server identity authentication information wherein and be documented among the session, (herein server identity authentication information and session key have corresponding relation as self authentication information to generate session key simultaneously, in follow-up data synchronization process, need to change), in this step, need to replace the authenticating identity information in the SyncML protocol entity, the type that this is subsynchronous, the URL of service end, replace with the authentication information (sid) of protocol conversion platform respectively, slow synchronized type (201), the URL of protocol conversion platform, the content after the conversion will send to terminal.
Terminal will send all local data according to the requirement of slow wheel synchronization type and compare to service end after by authentication, and this request sends to the protocol conversion platform.After the protocol conversion platform receives request, directly generate synchronized result 200 (the server end data are up-to-date, terminal need upgrade), be included in the protocol entity of SyncML agreement and send to terminal.
Terminal is after obtaining comparative result, and the request beginning synchronously.Behind this request content process protocol conversion platform, the protocol conversion platform need change synchronous destination address, the authentication information in the protocol entity, is converted to synchronous address, the authentication information of sync server end, sends to the sync server end.
After the sync server end received synchronization request, the data that the sync server end is all stored the protocol entity part in the SyncML agreement into.The syn ack result is sent to the protocol conversion platform, after the protocol conversion platform receives request.Obtain protocol header, need wherein destination address, authentication information change (being converted to protocol conversion platform corresponding address, authentication information) more synchronously.Then transformation result is sent to terminal.
Same EOS, the session that creates in the protocol conversion platform deletion first step.
Claims (8)
1. association's conversion platform device is characterized in that, comprising:
Redirection module, being used for that destination address with agreement that terminal sends is redirected is server address, and server is sent the address that server address in the agreement is converted to the protocol conversion platform;
Session management module is used for after server passes through the data sync authentication request of terminal, and record server identity authentication information generates this subsynchronous session key;
Synchrodata management module is used for carrying out session key in the data synchronization request that the process of data sync sends with server identity authentication information replacement terminal at terminal and server;
The protocol type modular converter is used for first wheel synchronization type of agreement that terminal sends is converted to second wheel synchronization type of server appointment, and server is sent first wheel synchronization type that second wheel synchronization type in the agreement is converted to terminal.
2. device as claimed in claim 1 is characterized in that, described agreement is the SyncML agreement.
3. device as claimed in claim 1 is characterized in that, described session management module also is used for finishing back deletion session key in this data sync.
4. device as claimed in claim 1 is characterized in that, also comprises the synchronous regime administration module, is used for carrying out at terminal and server the process specific data result relatively of data sync.
5. the method for data synchronization of a terminal and server is characterized in that, may further comprise the steps:
Terminal is initiated the authentication request of data sync to the protocol conversion platform;
The protocol conversion platform is redirected to server with described authentication request, and first wheel synchronization type in the described authentication request is converted to second wheel synchronization type of server appointment;
Server by described authentication request after, to protocol conversion platform return authentication result;
Server identity authentication information in the protocol conversion platform record authentication result, generate this subsynchronous session key, and the authenticating identity information in the described authentication result, server address and second wheel synchronization type replaced with session key, protocol conversion platform and first wheel synchronization type respectively, then the authentication result after the conversion is sent to terminal;
Terminal is initiated data synchronization request according to described session key and first wheel synchronization type to the protocol conversion platform;
The protocol conversion platform is redirected to server with described data synchronization request, and the session key in the described data synchronization request and first wheel synchronization type are converted to server identity authentication information and second wheel synchronization type respectively;
Server carries out data sync according to second wheel synchronization type to terminal.
6. method as claimed in claim 5 is characterized in that, carries out data sync by the SyncML agreement between described terminal and the server.
7. method as claimed in claim 5, it is characterized in that, terminal according to described session key and first wheel synchronization type after the protocol conversion platform is initiated the step of data synchronization request, also comprise step: the protocol conversion platform is confirmed described data synchronization request to be redirected after described session key is effectively again.
8. method as claimed in claim 5 is characterized in that, also comprises step: after this data sync finishes, and described protocol conversion platform deletion session key.
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| CN103200146B (en) | 2016-05-25 |
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