CN101668042A - Method and device for updating local page of embedded communication system - Google Patents
Method and device for updating local page of embedded communication system Download PDFInfo
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Abstract
The invention discloses a method for updating a local page of an embedded communication system and two corresponding devices. A terminal sends a hyper text transmission protocol request of page updateto a server; the request carries a page identification and a last updated time of the page recorded by the terminal; the server compares the last updated time carried in the request and the last updated time of the page recorded by the server according to the page identification carried in the request, when the time is inconsistent, the server responds to the hypertext protocol updated by a return page of the terminal; the response carries the last updated time of the page recorded by the server; and the terminal downloads the updated page data of the page from the server and stores the data,and updates the last updated time of the page recorded by the terminal by using the last updated time carried in the response. The invention reduces the amount of the stored date of the terminal andthe server, has simple operation, greatly improves response speed and does not need to deploy new server.
Description
Technical field
The present invention relates to embedded communication system, particularly the method for updating local page of embedded communication system and device.
Background technology
The present terminal of using, for example mobile call terminal, set-top box etc. are all based on embedded communication system and HTML (Hypertext Markup Language) (HTTP, Hypertext Transfer Protocol) server interaction of agreement and network side, and along with the progressively development of the communication technology, this alternately more and more widely.With the videoconferencing service is example, and the system based on the server end broadcast mode was substituted by interaction frequent between terminal and the server gradually in the past, this means that load of server will increase greatly.
In order to address the above problem, the solution that has occurred a kind of local page in recent years, be those relatively stable, as seldom to change pages of terminal storage, when the user will open these pages, terminal not with server interaction directly at this accessing, so just significantly reduce the interaction times of terminal and server, thereby alleviated load of server.But terminal still needs at set intervals or on specific opportunity, with server interaction to upgrade the page of self storage, keep upgrading synchronous to guarantee the page on these pages and the server.
Application number is storage and the update method that 200610083082.6 Chinese patent discloses a kind of browsers local page, the scheme of following updating local page is mainly disclosed: write down the arbitrary node in the local page that has " tree " structure in the browser, write down the unique structural identification and the version identifier of this node, the server of network side adopts same procedure to identify this local page simultaneously; Browser this local page after server transmission upstream request is used for down loading updating, the structural identification and the version identifier of the node of this local page of carried terminal record in the request; After server is received the upstream request of terminal transmission, in order one by one relatively on this local page path the structural identification of each node in request whether identical with version information, if different structural identification and version information with self storage beamed back terminal as modification information; After terminal is received above-mentioned modification information, find that the modification information receive is inequality with the relevant information of self storage, determining then that this local page is current needs renewal, downloads the page data of this local page from server and stores.
Though proposed a kind of method of updating local page in the above-mentioned disclosed technical scheme, there is following defective in this method:
1, terminal and server all need write down the nodal information and the version information of each node in each page, need the data volume of record very big;
2, server receives the nodal information and the version information that need contrast all nodes after the upstream request of terminal one by one, complicated operation;
3, the not nodal information and the version information of each node in each page of record support of present common server reality needs to install specific page system and supports, makes server disposition cost height.
Summary of the invention
First purpose of the present invention is to provide the method for updating local page of embedded communication system, use this method storage data volume little, simple to operate, improve response speed and need not to dispose new server.
Second purpose of the present invention is to provide the end side device and the server side device of updating local page of embedded communication system, and these two kinds device storage data volumes are little, simple to operate, improve response speed and need not to dispose new server.
Technical scheme of the present invention is achieved in that
A kind of method of updating local page of embedded communication system, key are that this method comprises:
Terminal to server sends the hypertext transfer protocol requests of renewal of the page, the final updating time of carrying this page of page iden-tity and terminal self record in this request;
Server is according to the page iden-tity of carrying in the described request, the final updating time of the final updating time of carrying in the comparison of request and this page of self record is when inconsistent, to the hyper text protocol response that the terminal back page upgrades, the final updating time of carrying this page of server record in the described response;
Terminal is downloaded the renewal page data and the storage of this page, the final updating time of upgrading this page of self record with the final updating time of carrying in the described response from server.
A kind of end side device of updating local page of embedded communication system, key are that this device comprises:
Update module is used for the hypertext transfer protocol requests to server transmission renewal of the page, the final updating time of this page of storing in carried terminal page iden-tity and the memory module in this request; The hyper text protocol response of the renewal of the page that reception server returns, the final updating time of carrying this page of server record in the described response; After receiving described response, from server, download this page the renewal page data, store in the memory module, with the final updating time of this page of storing in the final updating time updated stored module of carrying in the described response;
Memory module is used for final updating time of storing page data and this page.
A kind of server-side device of updating local page of embedded communication system, key are that this device comprises:
Transceiver module is used for the hypertext transfer protocol requests of the renewal of the page that receiving terminal sends, the final updating time of carrying this page of page iden-tity and terminal self record in this request; Draw at comparison module inconsistent as a result the time, to the hyper text protocol response that the terminal back page upgrades, the final updating time of carrying this page of server record in this response;
Comparison module, whether with the final updating time of this page of server self record consistent, draw comparative result and offer transceiver module if being used for the final updating time that the comparison described request carries.
As seen, in method provided by the invention, the final updating time that terminal and server all only write down the page separately, the final updating time of being carried the page of self record by terminal in the HTTP of renewal of the page request sends to server, whether identical by the final updating time that server relatively is somebody's turn to do in the request with the final updating time of this page of self record, if it is inequality then current this page that need to upgrade of terminal is described, and return the response of upgrading this page to terminal, terminal receives that this response back downloads page data to the page from server, in whole process, the data of terminal and server record are all considerably less, and server only need compare this item number of final updating time and whether need to upgrade the page according to judging that terminal is current, operate very simple, response speed also improves greatly, and the final updating time that common server can both write down the page at present itself, need not to dispose new server, cost is lower.
Description of drawings
Fig. 1 is the flow chart of the update method of embedded communication system local page of the present invention;
Fig. 2 is the flow chart of the update method of embedded communication system local page in the embodiment of the invention;
Fig. 3 is the detailed process flow chart of storing process described in the step 209 shown in Figure 2;
Fig. 4 is the structural representation of the end side device of this updating local page of embedded communication system;
Fig. 5 is the structural representation of the server side device of this updating local page of embedded communication system.
Embodiment
For making objects and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the flow chart of the update method of embedded communication system local page of the present invention, and this flow process comprises:
Step 101: terminal to server sends the HTTP update request of renewal of the page, the final updating time of carrying this page of page iden-tity and terminal self record in this request.
Step 102: server is according to the page iden-tity of carrying in the request, the final updating time of the final updating time of carrying in the comparison of request and this page of self record is when inconsistent, return the response of upgrading this page, the final updating time of carrying this page of server record in this response to terminal.
Step 103: terminal is downloaded the renewal page data and the storage of this page, the final updating time of upgrading this page of self record with the final updating time of carrying in the described response from server.
From technique scheme as can be seen, in method provided by the invention, the final updating time that terminal and server all only write down the page separately, the final updating time of being carried the page of self record by terminal in the HTTP of renewal of the page request sends to server, whether identical by the final updating time that server relatively is somebody's turn to do in the request with the final updating time of this page of self record, if it is inequality then current this page that need to upgrade of terminal is described, and return the response of upgrading this page to terminal, terminal receives that this response back downloads page data to the page from server, in whole process, the data of terminal and server record are all considerably less, and server only need compare this item number of final updating time and whether need to upgrade the page according to judging that terminal is current, operate very simple, response speed also improves greatly, and the final updating time that common server can both write down the page at present itself, need not to dispose new server, cost is lower.
Enumerate an embodiment of the inventive method below, the application scenarios of present embodiment is as described below:
1) the more newly downloaded opportunity of the default page, for example can when terminal is opened a certain page, monitor in real time at every turn or monitor in the specific period, these all can be provided with arbitrarily, in the present embodiment, when supposing that the user opens a certain page by browser in terminal, be the more newly downloaded opportunity of the page, at first definite this page of terminal this moment upgrades current whether the needs, then upgrading the page of back behind user's display update if desired, if do not need or upgrades failure then directly show the current local page of storing with server interaction;
When 2) terminal is stored a page first, generate one to renewal daily record that should the page, record the final updating time of this page in upgrading daily record, follow-up every renewal is this page once, uses the new final updating time to cover original final updating time in the renewal daily record of correspondence;
3) terminal in advance with the path of server negotiate down loading updating page data, if the page after for example terminal is upgraded passes through browser display, after then server is known this situation through consultation, upgrade the store path of page data in advance by JS interface notice terminal, terminal directly gets final product renewal page data that should the page under this path of download when needs upgrade;
4) the renewal page data in the server is with the form storage of compressed package, when determining that current needs upgrade the page, terminal is downloaded the renewal page compression data packet of this page from server, terminal and server can be consulted the compressed package form in advance, for example consult to be the .zip form, but be not limited to this form in the practical application.
Fig. 2 is the flow chart of the update method of embedded communication system local page in the embodiment of the invention, and this flow process comprises:
Step 201: whether the terminal judges network connects normal, if execution in step 202 then, otherwise execution in step 210.
Determination methods in this step is a maturation method of the prior art, for example by heartbeat signal judgement etc., repeats no more here.
Step 202: terminal judges reads the whether success of renewal daily record of the page, if execution in step 203 then, otherwise execution in step 210.
In this step, the renewal daily record that terminal is obtained a certain page from the storage area of self inside, the renewal daily record of page data and this page in the present embodiment all is stored in the local storage directory, wherein page data is stored in the data folder, upgrading daily record stores with individual files, above-mentioned file and renewal daily record are all with the page iden-tity name, so terminal can be searched the renewal daily record of this page according to page iden-tity.
Step 203: terminal reads the final updating time of this page from the renewal daily record of reading.
Step 204: terminal is added the final updating time of reading in the If-modify-since field of HTTP request of renewal of the page, and this request is sent to server.
In this step, the If-modify-since field is the field of stipulating in the http protocol, except that this field, also carries page iden-tity in the update request, so which page the renewal of server identification current request is.
Step 205: whether terminal judges receives 304 error codes that server returns, if not execution in step 206 then, otherwise execution in step 210.
In this step, server will compare the final updating time of final updating time of carrying in the update request and this page of self storing, if it is identical then illustrate that current terminal does not need to upgrade this page, if inequality then illustrate that current terminal need upgrade this page.Server returns response to terminal, as comprising 304 error codes of HTTP definition in the response, then indicating terminal is current does not need to upgrade this page, as not comprising 304 error codes of HTTP definition in the response, the final updating time that then this page of the current needs renewal of indicating terminal, and the Last Modified field in the head response carries this page of server record.
Step 206: whether terminal judges receives the 200-300 error code that server returns, if execution in step 207 then, otherwise execution in step 210.
In this step, server is after the current needs of definite terminal upgrade the page, determine further also whether other states relevant with upgrading the page data download are normal, if it is then return the 200-300 error code of HTTP definition, all normal to indicate these states to terminal.Above-mentioned state specifically comprises the state commonly used that data are downloaded, and repeats no more here.
Step 207: terminal is recorded in the final updating time in the Last Modified field in the temporary file, and according to the path of consulting in advance from server downloading page compression data packet.
In this step, server is set up interim storage directory, comprises in this interim storage directory being used for storing page data and the temporary folder of page final updating time behind the decompress(ion) temporarily.
Step 208: whether terminal judges downloading page compression data packet success, if execution in step 209 then, otherwise removes final updating time in the temporary folder, finishes more new technological process, and execution in step 210.
Step 209: after terminal unzips to temporary folder with the page data compressed package of downloading, the page data behind the storage decompress(ion), and the final updating time in the temporary folder of using upgrade upgrading daily record.
In this step, the renewal page data behind the decompress(ion) will finally be stored in the local storage directory in the terminal data folder that should the page, and concrete storing process will use another flow process to provide detailed description hereinafter.
Step 210: terminal is opened this page after the last update, is shown to the user.
In this step, if in abovementioned steps to the renewal of this page success, what then open is the page after upgrading, if in abovementioned steps to the renewal failure of this page, what then open is the page after last the renewal.
Fig. 3 is the detailed process flow chart of storing process described in the above-mentioned steps 209, and this flow process comprises:
Step 301: terminal judges will be upgraded page compression data packet and unzip in the temporary folder whether success, if execution in step 302 then, otherwise direct process ends.
Step 302: whether the local storage directory of terminal judges exists, if execution in step 303 then, otherwise execution in step 304.
Step 303: in the terminal backup local storage directory to data folder that should the page with upgrade daily record.
In this step, the purpose of backup is to upgrade under the situation of data failure, can reduce initial data accurately.
Step 304: terminal is created local storage directory.
Step 305: terminal judges is created the whether success of local storage directory, if execution in step 306 then, otherwise delete described temporary folder, process ends then.
Step 306: terminal copies in the local storage directory renewal page data in the temporary folder to data folder that should the page to.
Step 307: whether the terminal judges copy is successful, if execution in step 308 then, otherwise delete in the local storage directory data folder that should the page, again the backup file folder is stored in the local storage directory, delete temporary folder and process ends then.
Step 308: terminal writes in the local storage directory final updating time in the temporary folder to renewal daily record that should the page.
Step 309: whether terminal judges writes the final updating time successful, if execution in step 310 then, otherwise delete in the local storage directory the data in should the renewal daily record of the page, then the data in the temporary folder are copied in the local storage directory in should the renewal daily record of the page, and then execution in step 310.
Step 310: terminal deletion temporary folder, process ends.
By above embodiment as can be seen, by page final data being stored in the mode in the terminal, the user can use terminal to open the page in this locality, has obtained following technique effect:
1) reduce mutual number of times between terminal and the server, the delay phenomenon of having avoided objective factor to cause as network delay and server low-response etc., has well solved the slow-paced problem of the terminal operation page;
2) under the unusual situation of physical connection, terminal can be opened the page of local storage, uses the service on the page;
3) at the page on the server not more under the news, terminal and server interaction considerably less, and interactive data quantity is also considerably less, the effective like this pressure that alleviates server, system effect for the concurrent phenomenon of easy appearance is particularly evident, when entering homepage of server as interactive bi-directional set-top box STB user start, it is very big to produce concurrent probability in the start peak period.
Based on said method provided by the invention, the present invention also provides a kind of end side device of updating local page of embedded communication system and a kind of server side device of this renewal of the page of embedded communication system.
Fig. 4 is the structural representation of the end side device of this updating local page of embedded communication system, and this device comprises: update module and memory module.
Above-mentioned update module is used for the hypertext transfer protocol requests to server transmission renewal of the page, the final updating time of this page of storing in carried terminal page iden-tity and the memory module in this request; The hyper text protocol response of the renewal of the page that reception server returns, the final updating time of carrying this page of server record in the described response; After receiving described response, from server, download this page the renewal page data, store in the memory module, with the final updating time of this page of storing in the final updating time updated stored module of carrying in the described response.
Above-mentioned memory module is used for final updating time of storing page data and this page.
For further realizing the negotiation in advance of terminal and server, also comprise in this device: negotiation module, be used for consulting the compressed package form that page data stores at server and the path of update module down loading updating page data in advance with server, and with the described update module of result notification of consulting.
Before being further implemented in the renewal page, network connection state is judged above-mentioned update module comprises: update request unit, network connection unit and renewal performance element.
Above-mentioned network connection unit is used for judging that the network connection just often triggers described update request unit and carries out the transmission requested operation.
Above-mentioned update request unit is used for sending to server the hypertext transfer protocol requests of described renewal of the page, the hyper text protocol response of the renewal of the page that reception server returns.
Above-mentioned renewal performance element, be used for after described update request unit receives described response, from server, download this page the renewal page data, store in the memory module, with the final updating time of this page of storing in the final updating time updated stored module of carrying in the described response.
Each module of end side described above all according to the execution of the step in the inventive method operation separately, is specifically carried out details and is repeated no more here.
Fig. 5 is the structural representation of the server side device of this updating local page of embedded communication system, and this device comprises: transceiver module and comparison module.
Above-mentioned transceiver module is used for the hypertext transfer protocol requests of the renewal of the page that receiving terminal sends, the final updating time of carrying this page of page iden-tity and terminal self record in this request; Draw at comparison module inconsistent as a result the time, to the hyper text protocol response that the terminal back page upgrades, the final updating time of carrying this page of server record in this response.
Above-mentioned comparison module, whether with the final updating time of this page of server self record consistent, draw comparative result and offer transceiver module if being used for the final updating time that the comparison described request carries.
For further realizing the negotiation in advance of terminal and server, also comprise in this device: negotiation module is used for consulting the compressed package form of page data storage and the path of down loading updating page data in advance with terminal.
Each module of server side described above all according to the execution of the step in the inventive method operation separately, is specifically carried out details and is repeated no more here.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1, a kind of method of updating local page of embedded communication system is characterized in that, this method comprises:
Terminal to server sends the hypertext transfer protocol requests of renewal of the page, the final updating time of carrying this page of page iden-tity and terminal self record in this request;
Server is according to the page iden-tity of carrying in the described request, the final updating time of the final updating time of carrying in the comparison of request and this page of self record is when inconsistent, to the hyper text protocol response that the terminal back page upgrades, the final updating time of carrying this page of server record in the described response;
Terminal is downloaded the renewal page data and the storage of this page, the final updating time of upgrading this page of self record with the final updating time of carrying in the described response from server.
2, the method for claim 1 is characterized in that, described renewal page data is a compressed package in described server stores;
This method further comprises: terminal and server are consulted the path of compressed package form and down loading updating page data in advance.
3, method as claimed in claim 1 or 2 is characterized in that, terminal to server sends before the hypertext transfer protocol requests of renewal of the page, further comprises:
Whether the terminal judges network connects normal, if then continue to carry out the step that described terminal to server sends the hypertext transfer protocol requests of renewal of the page, otherwise process ends.
4, method as claimed in claim 2, it is characterized in that, described after the hyper text protocol response that the terminal back page upgrades, described terminal downloads the renewal page data of this page from server before, further comprise: terminal is set up interim storage directory, and the final updating time of carrying in the described response is write in the interim storage directory temporary folder that should the page.
5, method as claimed in claim 4 is characterized in that, described terminal is downloaded after the renewal page data of this page from server, before the described storage, further comprised:
Whether the described download of terminal judges is successful, if then continue to carry out the step of described storage, otherwise removes final updating time, process ends in the interim storage directory.
6, method as claimed in claim 5 is characterized in that, the method for described storage is: terminal unzips in the interim storage directory page data compressed package of downloading to temporary folder that should the page; Terminal copies in the local storage directory page data in the described temporary folder to data folder that should the page to;
The described final updating time of upgrading this page of self record with final updating time of carrying in the response is: the recent renewal time in the temporary folder of interim storage directory is write in the local storage directory renewal daily record that should the page.
7, method as claimed in claim 6, it is characterized in that, described terminal with the record the page data compressed package unzip in the described temporary folder after, described copy to the page data in the temporary folder in the described data folder before, further comprise:
Whether the local storage directory of terminal judges exists, if the data folder of this page correspondence in the then first backup local storage directory, continue to carry out then and describedly copy in the local storage directory page data in the temporary folder to step data folder that should the page, otherwise after creating local storage directory, continue to carry out describedly copying in the local storage directory page data in the temporary folder to step again to data folder that should the page.
8, as claim 6 or 7 described methods, it is characterized in that, after terminal copies to the page data in the temporary folder in the described data folder, the final updating of this page that upgrades self record is before the time, further comprise:
Whether the described copy of terminal judges is successful, if then the step of the final updating time of this page that upgrades self record is carried out in continuation, otherwise delete in the local storage directory data folder that should the page, then the backed up data file is copied in the local storage directory, delete then in the interim storage directory temporary folder that should the page.
9, a kind of end side device of updating local page of embedded communication system is characterized in that, this device comprises:
Update module is used for the hypertext transfer protocol requests to server transmission renewal of the page, the final updating time of this page of storing in carried terminal page iden-tity and the memory module in this request; The hyper text protocol response of the renewal of the page that reception server returns, the final updating time of carrying this page of server record in the described response; After receiving described response, from server, download this page the renewal page data, store in the memory module, with the final updating time of this page of storing in the final updating time updated stored module of carrying in the described response;
Memory module is used for final updating time of storing page data and this page.
10, device as claimed in claim 9, it is characterized in that, further comprise in this device: negotiation module, be used for consulting the compressed package form that page data stores at server and the path of update module down loading updating page data in advance with server, and with the described update module of result notification of consulting.
11, as claim 9 or 10 described devices, it is characterized in that, comprise in the described update module: update request unit, network connection unit and renewal performance element;
Described network connection unit is used for judging that the network connection just often triggers described update request unit and carries out the transmission requested operation;
Described update request unit is used for sending to server the hypertext transfer protocol requests of described renewal of the page, the hyper text protocol response of the renewal of the page that reception server returns;
Described renewal performance element, be used for after described update request unit receives described response, from server, download this page the renewal page data, store in the memory module, with the final updating time of this page of storing in the final updating time updated stored module of carrying in the described response.
12, a kind of server-side device of updating local page of embedded communication system is characterized in that, this device comprises:
Transceiver module is used for the hypertext transfer protocol requests of the renewal of the page that receiving terminal sends, the final updating time of carrying this page of page iden-tity and terminal self record in this request; Draw at comparison module inconsistent as a result the time, to the hyper text protocol response that the terminal back page upgrades, the final updating time of carrying this page of server record in this response;
Comparison module, whether with the final updating time of this page of server self record consistent, draw comparative result and offer transceiver module if being used for the final updating time that the comparison described request carries.
13, device as claimed in claim 12 is characterized in that, further comprises in this device: negotiation module is used for consulting the compressed package form of page data storage and the path of down loading updating page data in advance with terminal.
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