CN1859669A - Method and system for realizing virtual storage in mobile terminal - Google Patents
Method and system for realizing virtual storage in mobile terminal Download PDFInfo
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- CN1859669A CN1859669A CNA2005101016845A CN200510101684A CN1859669A CN 1859669 A CN1859669 A CN 1859669A CN A2005101016845 A CNA2005101016845 A CN A2005101016845A CN 200510101684 A CN200510101684 A CN 200510101684A CN 1859669 A CN1859669 A CN 1859669A
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Abstract
The present invention discloses mobile terminal realizing virtual store method and system. Said method includes application process sending data manipulation instruction to mobile terminal memory management module; said memory management module according to said data manipulation instruction carried file information, judging said data manipulation proceeding in local-storage module or submitting server end network memory module, according to judgement result transferring said data manipulation instruction to relevant module processing. Said system includes local-storage module, network memory module, memory management module and network interface module.
Description
Technical field
The present invention relates to a kind of storage means and system of portable terminal, particularly a kind of method and system that in portable terminal, realize virtual memory.
Background technology
Portable terminal is an important component part in the whole mobile operation service system.Increasingly sophisticated along with termination function, the possibility that terminal software goes wrong significantly increases.Competition between the following operator is growing more intense, and how effectively to guarantee user experience, height user's loyalty, keeps efficiently service quality and low-cost device to safeguard a significant concern point that has become operator, manufacturer terminal.
At present, mobile phone users related datas such as memory communicating record, schedule in portable terminal.The development with communication mode of increasing along with function that portable terminal provides, the data with transmitting that the individual can obtain by portable terminal also will get more and more, the demand of big file is also increasing, as mp3, photo or even one section video or the like, the limited memory space of portable terminal can't satisfy these demands of user.At present, though portable terminal has the function of online, and above individual address can being uploaded to, but also be as temporary transient storage medium with network, must carry out when will be the time with this data with server synchronously again with the copy download of data to this machine, if the portable terminal Out of Memory time synchronously even can not carry out.That is to say, still do not exist effective mechanism fundamentally to solve the not enough problem of mobile terminal memory capacity.Employed personal information management PIM technology in for example present portable terminal, it is to utilize some application programs (as calendar, address book and contacts list etc.) in the portable terminal to carry out data sync by SyncML agreement and desktop PC or other central data storage vaults, thereby carry out duplicating of personal information, operations such as renewal.The synchronous method in portable terminal and central data store storehouse that realizes at present has three kinds.
1, the method for client one-way synchronization as shown in Figure 1,1), the user end to server end proposes synchronization request (portable terminal central repository, can think send herewith to connect a side who calls out be client) the groundwork step is:; 2), server end is replied request, and is beamed back data; 3), client new data more.
2, the method for server end one-way synchronization as shown in Figure 2,1), the user end to server end proposes synchronization request (portable terminal or central repository, can think send herewith to connect a side who calls out be client) the groundwork step is:; 2), server end is replied request; 3), client is submitted data to; 4), server end new data more.
3, the method for bi-directional synchronization as shown in Figure 3,1), the user end to server end proposes synchronization request (portable terminal or central repository, can think send herewith to connect a side who calls out be client) the groundwork step is:; 2), server end is replied request; 3), server end submits to data to propose synchronization request; 4), client is replied request and is submitted data to; 5), client, server end new data more.
In technique scheme, the user is kept at data information respectively in the memory of portable terminal and on the central repository, has wasted storage resources; In synchronous process, the data when synchronous all have change because the data pin of client and server end is to the last time, so possible owing to misoperation of users causes loss of user data; The storage volume of portable terminal is limited, and as user during to the increase in demand of storage, these schemes can not propose effective and efficient manner and solve.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of method and system that in portable terminal, realize virtual memory, solve user's data storage space problem.
In order to achieve the above object, the invention provides a kind of method and system of realizing virtual memory in portable terminal, this method performing step is:
A. application process is sent data manipulation instruction to the memory management module of portable terminal;
B. described memory management module according in the described data manipulation instruction with fileinfo, judge that this data manipulation carries out or submit to the network storage module of server end to carry out in local memory module;
C. forwarding described data manipulation instruction to corresponding module according to judged result handles;
Described step B more specifically may further comprise the steps:
B1. memory management module is provided with the storage policy mechanism in the portable terminal; The stored information that is stored in described local memory module and the network storage module is mapped under the virtual directory structure, preserves actual address;
B2. judge that according to the fileinfo of data in storage policy mechanism, actual address and storage condition, the current operational order this data manipulation carries out or submit to the network storage module of server end in local memory module, and return judged result.
Storage policy mechanism comprises that definition is stored in the file type in the local storage, the threshold value of file size and the threshold information of local last storage size.
To store data map to a virtual directory structure among the step B1 may further comprise the steps:
Memory management module connects by Network Interface Module and network storage module, described network storage module is beamed back the storing data information of this mobile phone users on network memory to portable terminal, memory management module carries out unified logic with the stored information of the storing data information passed back and the local memory module of portable terminal, generates the virtual directory structure.
Described step C comprises:
C1. if judged result indicates this operation to carry out in local memory module, memory management module forwards operational order to local memory module, the instruction that local memory module response memory management module sends, and provide operation-interface the storage data of this locality to be upgraded and condition managing to memory management module;
C2. if judged result indicates this operation to carry out in network storage module, memory management module forwards operational order to Network Interface Module, Network Interface Module is forwarded to network storage module with command information, and network storage module is operated the data in the network memory accordingly in the server end interpreted command and according to order.
The system that realizes virtual memory in portable terminal comprises the local memory module that is positioned at portable terminal, the network storage module that is positioned at network server end, and described local memory module and network storage module are coupled together memory management module that is positioned at portable terminal and Network Interface Module with collaborative work;
Local memory module is connected with memory management module, is used to handle the local datastore operation, preserves the stored information of self and supplies administration module to call;
Local memory module is connected with memory management module, is used to handle the local datastore operation, preserves the stored information of self and supplies administration module to call;
The instruction and data that network storage module provides according to Network Interface Module is to operating;
Memory management module, link to each other with application process, Network Interface Module, local memory module in the Mobile operating system, for application process provides unified data operating interface, the storage data are carried out unified directory management, coordinate the local memory module and the network storage module of lower floor simultaneously and carry out work;
Network Interface Module carries out the transmission of information and data as the communication interface between memory management module and the network storage module at two intermodules.
Local memory module comprises application interface module, an I/O operational module, the first store status administration module, local storage; A described I/O operational module, the first store status administration module are connected to local storage and application interface module, described application interface module links to each other with memory management module, to check that operational order passes to described store status administration module, and the I/O operational order passed to an I/O operational module, the first store status administration module returns current stored information, and an I/O operational module carries out Data Update to local storage.
Network storage module comprises first modular converter, the 2nd I/O operational module, the second store status administration module, network memory; Described the 2nd I/O operational module, the second store status administration module are connected to the network memory and first modular converter, described first modular converter links to each other with the mobile network, between command transmitting and operational order or data, carry out two-way conversion, convert the signaling that receives to operational order or data are submitted to an I/O operational module or the first store status administration module, data and return result in the one I/O operational module operational network memory, the first store status administration module returns the stored information of network memory.
Memory management module comprises operation interface module, operation judges module, directory management module, storage policy module; Described directory management module, operation judges module link to each other with operation interface module, and described operation interface module also links to each other with application process, Network Interface Module, local memory module, and described storage policy module is connected to the operation judges module; Described operation interface module is according to the operational order call operation judge module of application process, described operation judges module invokes storage policy module is judged according to storage policy, according to judged result the respective stored module is given in operation again, operation interface module is also passed to the directory management module with stored information as parameter by Network Interface Module after network storage module is sent connection request and connected simultaneously.
Network Interface Module also comprises second modular converter; Network Interface Module comprises that by connection protocol transmission control protocol/Internet protocol, safe socket sublayer, WAP (wireless access protocol), Session initiation Protocol or file transfer protocol (FTP) finish local terminal and network storage module communication, instruction or data that described second modular converter becomes the instruction in the portable terminal or data transaction safe command transmitting and the safe transmission signaling is converted to.
The technical program utilizes the memory management module of the portable terminal data that the user is required to carry out unified storage and management, has avoided by synchronous loss of data that may cause and storage resources waste problem; And the data that the technology of utilizing virtual memory needs the user is carried out the intelligence storage, the local storage of portable terminal is combined with the webserver stores device, broken through the limit of mobile terminal stores capacity, from user's angle see can be portable terminal storage file indiscriminately ad. as one wishes, fundamentally solve user's data storage space problem.
Description of drawings
The sequential chart of Fig. 1 client one-way synchronization scheme;
The sequential chart of Fig. 2 server end one-way synchronization scheme;
The sequential chart of Fig. 3 two-way synchronization scheme;
Fig. 4 realizes the system architecture diagram of virtual memory for portable terminal;
Fig. 5 is the sequential chart during operating data in the portable terminal local storage;
Fig. 6 is the sequential chart of operating data in the mobile terminal network memory;
Fig. 7 is the structure chart of mobile terminal stores administration module;
Sequential chart when Fig. 8 is mobile phone power-on;
Fig. 9 is the structure chart of local memory module;
Figure 10 is the sequential chart of mobile terminal stores administration module to local memory module invoked procedure;
Figure 11 is the structure chart of network storage functional block;
Figure 12 is the cooperation sequential chart of Network Interface Module and network storage intermodule.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
In order to solve the limited problem in mobile terminal stores space, the present invention program provides a kind of local storage and the mobile terminal stores method and system that combine that are positioned at the network memory intelligence of network terminal that utilizes virtual memory technique with portable terminal.Wherein, portable terminal comprises mobile phone, personal digital assistant PDA, car-mounted terminal etc.The structure of this system as shown in Figure 4, it mainly comprises local memory module, network storage module and two memory modules is coupled together memory management module and Network Interface Module with collaborative work, wherein local memory module, memory management module and Network Interface Module are positioned at portable terminal, and network storage module is positioned at network service end.Local memory module is connected with memory management module, is used to handle the local datastore operation, preserves the stored information of self and supplies administration module to call; Memory management module, link to each other with application process, Network Interface Module, local memory module in the mobile terminal operating system, for application process provides unified data operating interface, the storage data are carried out unified directory management, coordinate the local memory module and the network storage module of lower floor simultaneously and carry out work; Network Interface Module carries out the transmission of information and data as the communication interface between memory management module and the network storage module at two intermodules; The instruction and data that network storage module provides according to Network Interface Module is to operating.
As Fig. 5, the sequential chart when being respectively in portable terminal local storage and network memory operating data shown in Figure 6.At first application process is sent data manipulation instruction according to user's demand to the memory management module of portable terminal, and these instructions comprise reads file, deleted file or add file; Memory management module is according to incidental fileinfo in this data manipulation instruction (as filename, size, type etc.), and call function judges that this data manipulation should carry out still should submitting to the network storage module of server end in local memory module; If the judged result indication is carried out in local memory module, memory management module then forwards operational order to local memory module, and local memory module is operated and the return result data data accordingly at local storage; If the judged result indication is carried out in network storage module, memory management module forwards operational order to Network Interface Module; Network Interface Module is forwarded to network storage module with command information; Network storage module is operated the return result data in the server end interpreted command and according to order accordingly to the data in the network memory.
1, mobile terminal stores administration module.
The memory management module of portable terminal comprises operation interface module, operation judges module, directory management module, storage policy module as shown in Figure 7; Wherein, directory management module, operation judges module link to each other with operation interface module, and operation interface module also links to each other with application process, Network Interface Module, local memory module, and the storage policy module is connected to the operation judges module; Memory management module is responsible for cooperating between application process and the local memory module/Network Interface Module, and the data that logically will be positioned at different memory modules merge, and carry out unified directory management.To distribute to the local memory module/Network Interface Module of lower floor by storage policy during concrete data manipulation with holding water by the operational order that application process is sent, and again the operating result of lower module be returned to application process and handle.
Start process (its sequential chart as shown in Figure 8) as mobile phone: when mobile phone power-on, the operation-interface program is sent connection request by Network Interface Module to network storage module.After connecting, network storage module is beamed back the stored information of this cellphone subscriber on network memory to mobile phone.The operation-interface program is passed to Directory Maintenance with the stored information of this stored information and mobile phone this locality as parameter, and Directory Maintenance then carries out unified logic with the data information on both sides automatically, generates virtual file storage bibliographic structure.Directory Maintenance will be stored in data in the different memory modules when carrying out in logic unified, and all subscriber datas are mapped under the virtual bibliographic structure, as the foundation of application program display menu.And the preservation actual address, the path during as later visit/operating information.So just separated the storage and the demonstration of subscriber data, the user is unaware to the storing process of data in use.
A kind of form of catalogue file can be:
<xml>
<Directory>
<Name>Music</Name>
<Files>
<File?id＝”0”>
＜FileName〉misic001.mp3＜/FileName〉// filename
＜Type〉remote＜/Type〉// file storage type
＜Address 〉/server/root/13920479727/music/＜/Address〉// file is true
The real address
</File>
……
</Files>
<Directory>
……
<Directory>
<Name>Contact<Name>
<Files>
<File?id＝”0”>
<FileName>contact001.txt</FileName>
<Type>local</Type>
<Address>d：/contact/</Address>
</File>
……
</Directory>
</xml>
The mobile terminal stores administration module can define the storage policy of mobile terminal data, storage policy is used for being defined in the condition of portable terminal local storage storage data, such as the threshold value of the file type that satisfies condition, file size and the information such as threshold value of local last storage size.
Determining program in the module can utilize the actual address that obtains in the Directory Maintenance (when being operating as when reading or deleting); Perhaps utilize the threshold information that defines in the storage policy, and call storage condition in the current mobile terminal memory that the application programming interfaces APIs in the local memory module obtains, in conjunction with the title of current operating data, size, type etc., return judged result again.
As: it is as follows that defined file is kept at the conditional information of local storage in storage policy
1) file size that will preserve must not surpass 10kb;
2) satisfy condition 1), and file type is txt or gif;
3) satisfy condition 2), and local last memory space needs promptly to satisfy greater than 20kb " existing free space-file size＞20kb " after preserving file;
The smile.gif file that it is 8kb that present hypothesis will be preserved a size, the determining program in the module will be finished following work:
1) judge the file that will preserve whether satisfy define in the storage policy 1) and 2);
2) calls application interface APIs obtains the remaining space size of current mobile terminal memory, now is assumed to be 400kb;
3) judge whether to satisfy define in the storage policy 3);
4) satisfy condition, return an indication and file can be kept at object command in the mobile terminal memory.
Obtain deletion action for reading, the actual address that determining program need only backspace file gets final product.
Operation-interface program in the mobile terminal stores administration module provides the transmission interface of data and operational order.When the process in the portable terminal send operational order to data read/delete/store when waiting operation, operation-interface routine call determining program in the mobile terminal stores administration module is judged this operation, according to judged result corresponding memory module is given in operation again.When lower floor's module operation is finished, be responsible for the operating result that returns is submitted to the application process on upper strata.
2, local memory module
Local as shown in Figure 9 memory module comprises application interface module, an I/O operational module, the first store status administration module, local storage; Wherein, an I/O operational module, the first store status administration module are connected to local storage and application interface module, and application interface module links to each other with memory management module.Local memory module is responsible for the storage administration to local data, instruction and return result that response mobile terminal stores administration module sends.And application modules such as an I/O (I/O) operational module and first storage administration can be provided at least, provide application programming interfaces APIs the storage data of this locality to be upgraded and condition managing to first memory management module.First memory management module is to the invoked procedure of local memory module as shown in figure 10:
1, check stored information:
First memory management module calls interface among the APIs and checks stored information in the portable terminal local storage, interface module is passed to inner corresponding memory management module with operational order, and first memory management module returns current stored information according to the storage condition of memory.
2, carry out the I/O operation:
The interface that memory management module calls among the APIs carries out the I/O operation to the data in the portable terminal, interface module is passed to an inner corresponding I/O operational module with operational order, and an I/O operational module carries out the corresponding more operation of new data according to operational order to local storage.
3, Network Interface Module and network storage module
Network Interface Module constitutes network storage functional block in the mobile terminal stores process with network storage module.
Network Interface Module is responsible for the communicating by letter of network storage module of local terminal and server end by the mobile network, ways of connecting can be to be undertaken by existing any feasible connection protocol, includes but not limited to transmission control protocol/Internet protocol TCP/IP, safe socket sublayer SSL, WAP (wireless access protocol) WAP, Session initiation Protocol SIP, file transfer protocol (FTP) FTP etc.Should comprise second modular converter in the Network Interface Module, be responsible for the operational order in the portable terminal and data transaction become can be in network the security signaling of safe transmission, and the safe transmission signaling that will receive from network converts instruction or data in the portable terminal to.Concrete conversion regime is that instruction second modular converter and network storage module are consulted the encapsulation and opening rule to information before intercoming mutually.When sending instruction and data to network storage module, portable terminal these instruction and datas are packaged into the information of specific format in transmission over networks according to the packing rule that consults; When portable terminal receives the operation that is packaged into specific format information transmitted from network storage module with data, it is reduced into by the regular dismounting that consults operates and data.
Network storage module also exists such signaling to the changing the mechanism of operational order/data, and carries out two-way conversion between command transmitting and operational order or data.Network storage module as shown in figure 11 comprises first modular converter, the 2nd I/O operational module, the second store status administration module, network memory.Wherein, the 2nd I/O operational module, the second store status administration module are connected to the network memory and first modular converter, and described first modular converter links to each other with the mobile network.Local memory module in the function of whole network storage module and the portable terminal is close, is responsible for the data in the network memory is operated and managed.
First modular converter becomes operational order/data with the instruction transformation that receives, and submits to different application modules according to the difference of type and carries out (the 2nd I/O operational module or the second store status administration module).
The 2nd I/O operational module is responsible for data and the return result in the operational store.
The second store status administration module is responsible for returning the stored information of memory.
The cooperation relation of Network Interface Module and network storage intermodule as shown in figure 12.Portable terminal operation sequence interface is when Network Interface Module sends instruction/data, and second modular converter in the Network Interface Module converts these instruction/datas on the mobile network command transmitting, passes to network storage module by the mobile network.Network storage module is reduced into operational order/data with these command transmittings, submits to network memory and handles.
Claims (11)
1, a kind of method that realizes virtual memory in portable terminal is characterized in that this method comprises following steps:
A. application process is sent data manipulation instruction to the memory management module of portable terminal;
B. described memory management module according in the described data manipulation instruction with fileinfo, judge that this data manipulation carries out or submit to the network storage module of server end to carry out in local memory module;
C. forwarding described data manipulation instruction to corresponding module according to judged result handles.
2, the method that realizes virtual memory in portable terminal as claimed in claim 1 is characterized in that described step B more specifically may further comprise the steps:
B1. memory management module is provided with the storage policy of the local storage of portable terminal, and the stored information that is stored in described local memory module and the network storage module is mapped under the virtual directory structure, preserves actual address;
B2. judge that according to the fileinfo of data in storage policy, actual address and storage condition, the current operational order this data manipulation carries out or submit to the network storage module of server end in local memory module, and return judged result.
3, the method that realizes virtual memory in portable terminal as claimed in claim 1 or 2 is characterized in that described step C comprises:
C1. if judged result indicates this operation to carry out in local memory module, memory management module forwards operational order to local memory module, the instruction that local memory module response memory management module sends, and provide operation-interface the stored information of this locality to be upgraded and condition managing to memory management module;
C2. if judged result indicates this operation to carry out in network storage module, memory management module forwards operational order to Network Interface Module, Network Interface Module is forwarded to network storage module with command information, and network storage module is operated the data in the network memory in the server end interpreted command and according to order.
4, the method that realizes virtual memory in portable terminal as claimed in claim 1 or 2 is characterized in that,
Fileinfo among the step B comprises title, size, the type of operating data.
5, method as claimed in claim 2 is characterized in that, storage policy comprises the file type that is stored in the local storage, the threshold value of file size and the threshold information of local last storage size among the step B1.
6, method as claimed in claim 2 is characterized in that, will store data map to a virtual directory structure among the step B1 and may further comprise the steps:
Memory management module connects by Network Interface Module and network storage module, described network storage module is beamed back the storing data information of this terminal use on network memory to portable terminal, memory management module carries out unified logic with the stored information of the storing data information passed back and the local memory module of portable terminal, the address information of actual storage file is mapped to virtual directory, generates the virtual directory structure.
7, a kind of mobile terminal stores system that realizes virtual memory, it is characterized in that, described system comprises the local memory module that is positioned at portable terminal, the network storage module that is positioned at network server end, and the memory management module and the Network Interface Module that are positioned at portable terminal;
Described local memory module is connected with memory management module, is used to handle the local datastore operation, preserves the stored information of self and supplies administration module to call;
The instruction and data that described network storage module provides according to Network Interface Module is to operating;
Described memory management module, link to each other with application process, Network Interface Module, local memory module in the Mobile operating system, for application process provides unified data operating interface, the storage data are carried out unified directory management, coordinate the local memory module and the network storage module of lower floor simultaneously and carry out work;
Described Network Interface Module carries out the transmission of information and data as the communication interface between memory management module and the network storage module at two intermodules.
8, the mobile terminal stores system of realization virtual memory as claimed in claim 7 is characterized in that, described local memory module comprises application interface module, an I/O operational module, the first store status administration module, local storage; A described I/O operational module, the first store status administration module are connected to local storage and application interface module, described application interface module links to each other with memory management module, to check that operational order passes to described store status administration module, and the I/O operational order passed to an I/O operational module, the first store status administration module returns current stored information, and an I/O operational module carries out Data Update to local storage.
9, the mobile terminal stores system of realization virtual memory as claimed in claim 7 is characterized in that, described network storage module comprises first modular converter, the 2nd I/O operational module, the second store status administration module, network memory; Described the 2nd I/O operational module, the second store status administration module are connected to the network memory and first modular converter, described first modular converter links to each other with the mobile network, between command transmitting and operational order or data, carry out two-way conversion, convert the signaling that receives to operational order or data are submitted to an I/O operational module or the first store status administration module, data and return result in the one I/O operational module operational network memory, the first store status administration module returns the stored information of network memory.
10, the mobile terminal stores system of realization virtual memory as claimed in claim 7 is characterized in that, described memory management module comprises operation interface module, operation judges module, directory management module, storage policy module; Described directory management module, operation judges module link to each other with operation interface module, and described operation interface module also links to each other with application process, Network Interface Module, local memory module, and described storage policy module is connected to the operation judges module; Described operation interface module is according to the operational order call operation judge module of application process, described operation judges module invokes storage policy module is judged according to storage policy, according to judged result the respective stored module is given in operation again, operation interface module is also passed to the directory management module with stored information as parameter by Network Interface Module after network storage module is sent connection request and connected simultaneously.
11, the mobile terminal stores system of realization virtual memory as claimed in claim 7 is characterized in that, described Network Interface Module also comprises second modular converter; Network Interface Module comprises that by connection protocol transmission control protocol/Internet protocol, safe socket sublayer, WAP (wireless access protocol), Session initiation Protocol or file transfer protocol (FTP) finish local terminal and network storage module communication, instruction or data that described second modular converter becomes the instruction in the portable terminal or data transaction safe command transmitting and the safe transmission signaling is converted to.
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