CN109151071A - A kind of web page files synchronous method and system - Google Patents

A kind of web page files synchronous method and system Download PDF

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Publication number
CN109151071A
CN109151071A CN201811258186.5A CN201811258186A CN109151071A CN 109151071 A CN109151071 A CN 109151071A CN 201811258186 A CN201811258186 A CN 201811258186A CN 109151071 A CN109151071 A CN 109151071A
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Prior art keywords
web page
page files
server
probe
local
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CN201811258186.5A
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CN109151071B (en
Inventor
陈道恭
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Fujian Deep Space Information Technology Co Ltd
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Fujian Deep Space Information Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1095Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1001Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The present invention relates to a kind of web page files synchronous method and systems, probe is installed in hot standby server, the probe captures the access situation of all web page files, only when probe discovery web page files are accessed, just requests main web server synchronous or check whether to synchronize the web page files;The association requests that one program is used to cooperate the probe are installed in main web server, file variation without being actively synchronized to other hot standby servers by the main web server immediately.The present invention can be improved the synchronous reliability of web page files and robustness.

Description

A kind of web page files synchronous method and system
Technical field
The present invention relates to software field, especially a kind of web page files synchronous method and system.
Background technique
Web page files, which synchronize, to be referred to web page files from a server sync to another server.The technology it is common Application is multi-host hot swap situation, it is therefore an objective to which making the webpage on any server of public access is all that content is completely the same 's.
As shown in Figure 1, the request comes 3. generation by the firewall 2. represented when the public 1. represented requests browsing webpage Then 3. the load-balancing device of table determines request to be issued one in the web server 4. 5. 6. represented according to certain algorithm Platform.What is wherein 4. represented is main web server, and administrator generates newest web page files on this server, then uses webpage Web page files are synchronized to other hot standby servers (such as 5. and 6. on) by file synchronization technology.
Existing web page files simultaneous techniques generally has:
1. timing cycle polling technique: the main web server directory web site 4. represented in timing cycle scanning figure 1, then text Part is synchronized to other hot standby servers (such as 5. and 6. on).
2. event triggering technique: by some catalogue monitoring technologies (such as: in windows system Inotify technology in ReadDirectoryChangesExW technology, linux system) to the main web services 4. represented in Fig. 1 Device directory web site is monitored, change under directory web site if any any file (such as file or folder increasing, delete, change) can It perceives, and file variation is synchronized to other hot standby servers (such as 5. and 6. on) immediately.
3. filter Driver on FSD technology: passing through load document in the operating system of the main web server 4. represented in Fig. 1 Filtration drive, change if any any file under directory web site (such as file or folder increasing, delete, change) can perceive, and File variation is synchronized to other hot standby servers (such as 5. and 6. on) immediately.
It can be seen that prior art common feature: being all actively the text under the main web server directory web site 4. represented in Fig. 1 Part variation is synchronized to other hot standby servers (such as 5. and 6. on).
The shortcomings that above-mentioned prior art are as follows: the 4. synchronous technology of existing web page files in Fig. 1 because actively representing File change under main web server directory web site is synchronized to other hot standby servers (such as 5. and 6. on), when administrator is long Time Continuous publication high-volume webpage (such as: 50 web page files of batch updating per second successively continue 1 hour), or Carrying out complex operations update to the web page files under directory web site, (such as under directory web site: then newly-increased file a.html is moved Dynamic a.html to another subdirectory news a.html, then renaming news subdirectory is news2, then delete news2, Finally increase file a.html newly again) or the case where network state very poor (such as: network often goes offline, packet loss), then just It is possible that passing Wrong, missing passes or pass the case where losing file, other hot standby servers (such as 5. and 6. on) are as a result caused Web page files and 4. inconsistent, so reliability, robustness are poor.
Summary of the invention
In view of this, it is synchronous to can be improved web page files the purpose of the present invention is to propose to a kind of web page files synchronous method Reliability and robustness.
The present invention is realized using following scheme: a kind of web page files synchronous method, specifically:
Probe is installed in hot standby server, the probe captures the access situations of all web page files, and (including webpage is not present The case where), only when probe discovery web page files are accessed, just requests main web server synchronous or check whether Synchronize the web page files;
The association requests that one program is used to cooperate the probe are installed in main web server, the main web server is not necessarily to File variation is actively synchronized to other hot standby servers immediately.
Further, the implementation of the probe includes but is not limited to that middleware core embedded module or operating system are driven It is dynamic.
Further, the function that the program installed in the main web server is realized includes but is not limited to: calculating local The latest features value of web page files compares two characteristic values, web page files is synchronized the hot standby server for being sent to request synchronization.
Further, the latest features value of the local page file includes but is not limited to the path of web page files, hash Value, file size and document time.
Further, when the probe perceives one web page files of access, if this document exists, this article is calculated Then obtained characteristic value is sent to the main web server by the characteristic value of part;
Main web server proceeds as follows after receiving this feature value: if local without corresponding web page files, notice should The sender of characteristic value takes appropriate measures to former web page files;It, should what is received if local have corresponding web page files Characteristic value and the latest features value of local corresponding web page files compare, if two characteristic values are identical, just illustrate both sides text Part is consistent, does not do any operation;If two characteristic value differences, just local correspondence web page files are synchronized and are sent to this feature The sender of value;Wherein, the sender of this feature value is the hot standby server for sending this feature value.
Preferably, the adequate measure includes but is not limited to: deleting, be isolated or forbid accessing.
Further, it when the probe perceives one web page files of access, if this document is not present, asks immediately Ask main web server that corresponding web page files are synchronized;
Main web server proceeds as follows after receiving the request: if local also without corresponding web page files, not appointing What is operated;If local there are corresponding web page files, just the web page files are synchronized the sender for being sent to former request;Wherein, The sender of original request is the hot standby server for sending the request.
The present invention also provides a kind of synchronizing web pages system, including main web server, installed in the main web server The association requests for the probe that one program is used to be fitted on other hot standby servers, the main web server is without master It is dynamic that file variation is synchronized to other hot standby servers immediately;
It is proceeded as follows after main web server receives the characteristic value that other hot standby servers are sent: if local do not have Web page files corresponding with this feature value, then notify the sender of this feature value to take appropriate measures former web page files;If Locally there are corresponding web page files, then the latest features value of this feature value for receiving and local corresponding web page files is done pair Than just illustrating that both sides file is consistent, not doing any operation if two characteristic values are identical;If two characteristic value differences, just Local correspondence web page files synchronize the sender for being sent to this feature value;Wherein, the sender of this feature value is to send the spy The hot standby server of value indicative;The adequate measure includes but is not limited to: deleting, is isolated or forbids accessing;
It is proceeded as follows after main web server receives the synchronization request that other hot standby servers are sent: if local The not corresponding web page files of the request do not do any operation then;If local have corresponding web page files, just webpage text Part synchronizes the sender for being sent to former request;Wherein, the sender of former request is the hot standby server for sending the request.
The present invention also provides a kind of synchronizing web pages system, including more than one hot standby server, each hot standby services Probe, access situation of the probe to capture all web page files, only when probe finds web page files are installed in device When accessed, just request main web server synchronous or check whether to synchronize the web page files;
When the probe perceives one web page files of access, if this document exists, the characteristic value of this document is calculated, so Obtained characteristic value is sent to the main web server afterwards;
When the probe perceives one web page files of access, if this document is not present, main web server is requested immediately Corresponding web page files are synchronized.
Compared with prior art, the invention has the following beneficial effects: the present invention is because be mounted with one in hot standby server A probe (implementation of probe includes but is not limited to middleware core embedded module, operating system driving) probe capture institute There are web page files to access situation (including the case where that web page files are not present), only probe discovery web page files it is accessed when It waits, just requests main web server synchronous or check whether to synchronize the web page files, and be mounted in main web server One program is used to cooperate the association requests of probe, so file variation without being actively synchronized to it by main web server immediately Its hot standby server avoids and issues high-volume webpage when administrator is continuous for a long time, or to the webpage text under directory web site Part carries out the biography Wrong, missing being likely to occur when complex operations update or very poor network state biography or passes losing file and causing heat For the inconsistent situation of the web page files of server and main web server, reliability, robustness are improved.
Detailed description of the invention
Fig. 1 is the schematic illustration of the embodiment of the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and embodiments.
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
A kind of web page files synchronous method is present embodiments provided, specifically:
Probe is installed in hot standby server, the probe captures the access situations of all web page files, and (including webpage is not present The case where), only when probe discovery web page files are accessed, just requests main web server synchronous or check whether Synchronize the web page files;
The association requests that one program is used to cooperate the probe are installed in main web server, the main web server is not necessarily to File variation is actively synchronized to other hot standby servers immediately.
In the present embodiment, the implementation of the probe includes but is not limited to middleware core embedded module or operation system System driving.
In the present embodiment, the function that the program installed in the main web server is realized includes but is not limited to: calculating The latest features value of local page file compares two characteristic values, web page files is synchronized the hot standby clothes for being sent to request synchronization Business device.
In the present embodiment, the latest features value of the local page file include but is not limited to web page files path, Hashed value, file size and document time.
In the present embodiment, it when the probe perceives one web page files of access, if this document exists, calculates Then obtained characteristic value is sent to the main web server by the characteristic value of this document;
Main web server proceeds as follows after receiving this feature value: if local without corresponding web page files, notice should The sender of characteristic value takes appropriate measures to former web page files;It, should what is received if local have corresponding web page files Characteristic value and the latest features value of local corresponding web page files compare, if two characteristic values are identical, just illustrate both sides text Part is consistent, does not do any operation;If two characteristic value differences, just local correspondence web page files are synchronized and are sent to this feature The sender of value;Wherein, the sender of this feature value is the hot standby server for sending this feature value.
Preferably, the adequate measure includes but is not limited to: deleting, be isolated or forbid accessing.
In the present embodiment, it when the probe perceives one web page files of access, if this document is not present, stands Request main web server that corresponding web page files are synchronized;
Main web server proceeds as follows after receiving the request: if local also without corresponding web page files, not appointing What is operated;If local there are corresponding web page files, just the web page files are synchronized the sender for being sent to former request;Wherein, The sender of original request is the hot standby server for sending the request.
The present embodiment additionally provides a kind of synchronizing web pages system, including main web server, pacifies in the main web server The association requests of probe of the program for being fitted on other hot standby servers are filled, the main web server is not necessarily to File variation is actively synchronized to other hot standby servers immediately;
It is proceeded as follows after main web server receives the characteristic value that other hot standby servers are sent: if local do not have Web page files corresponding with this feature value, then notify the sender of this feature value to take appropriate measures former web page files;If Locally there are corresponding web page files, then the latest features value of this feature value for receiving and local corresponding web page files is done pair Than just illustrating that both sides file is consistent, not doing any operation if two characteristic values are identical;If two characteristic value differences, just Local correspondence web page files synchronize the sender for being sent to this feature value;Wherein, the sender of this feature value is to send the spy The hot standby server of value indicative;The adequate measure includes but is not limited to: deleting, is isolated or forbids accessing;
It is proceeded as follows after main web server receives the synchronization request that other hot standby servers are sent: if local The not corresponding web page files of the request do not do any operation then;If local have corresponding web page files, just webpage text Part synchronizes the sender for being sent to former request;Wherein, the sender of former request is the hot standby server for sending the request.
The present embodiment additionally provides a kind of synchronizing web pages system, including more than one hot standby server, each hot standby clothes Probe, access situation of the probe to capture all web page files, only when probe discovery webpage text are installed in business device When part is accessed, just request main web server synchronous or check whether to synchronize the web page files;
When the probe perceives one web page files of access, if this document exists, the characteristic value of this document is calculated, so Obtained characteristic value is sent to the main web server afterwards;
When the probe perceives one web page files of access, if this document is not present, main web server is requested immediately Corresponding web page files are synchronized.
Specifically, as described in Figure 1, the realization process of the present embodiment specifically includes the following steps:
Step S1: other hot standby servers (than as shown in figure 1 5. and 6. on) on probe is installed, which is used for aware services device Upper all web page files access situations (including web page files are lost, and if web page files are lost, the page one that user sees at this time As be HTTP status code be 404 prompt), the implementation of probe include but is not limited to middleware core embedded module, operation System file filtration drive;
As shown in figure 1 4. step S2: installing a program on main web server (than), and the function of the program includes but unlimited In: the latest features value of local page file is calculated (when the including but not limited to path of file, hashed value, file size, file Between), compare two characteristic values, file synchronization be sent to hot standby server described in step S1;
Step S3: when the probe described in the step S1 perceives one web page files of access, if this document exists, this article is just calculated Then characteristic value is sent to main web server described in step S2 by the characteristic value of part.After main web server receives this feature value: If local without corresponding web page files, notify sender's (than as shown in figure 1 5. or 6.) of former characteristic value to former webpage File take appropriate measures (including but not limited to: delete, be isolated, forbid access etc.);If local have corresponding web page files, The characteristic value received is compared with the latest features value of local corresponding web page files so: being said if two characteristic values are identical Bright both sides file is consistent, does not do any operation;If characteristic value is different, just local correspondence web page files are synchronized and are sent to original The sender of characteristic value;
Step S4: it when the probe described in the step S1 perceives one web page files of access, if this document is not present, asks immediately Ask main web server (than as shown in figure 1 4.) that corresponding web page files are synchronized.After main web server receives the request: If local also without corresponding web page files, any operation is not done;If local have corresponding web page files, just the net As shown in figure 1 5. or 6. page file synchronizes the sender for being sent to former request (than).
In the present embodiment, the middleware is that one kind can provide cooperation intercommunication, money for one or more application programs Source is shared, while can also provide the software of relevant service for the application program, common are IIS, Apache, Tomcat, Ngnix etc..The middleware core embedded module is that (for example the ISAPI of IIS is screened by third party's development interface of middleware Device, Module of Apache etc.) exploitation a kind of module, all web-page requests can be captured, and webpage can be calculated and asked Ask corresponding web page files complete trails (no matter web page files whether there is).
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with Modification, is all covered by the present invention.

Claims (9)

1. a kind of web page files synchronous method, it is characterised in that:
Probe is installed in hot standby server, the probe captures the access situation of all web page files, only when probe is found When web page files are accessed, just request main web server synchronous or check whether to synchronize the web page files;
The association requests that one program is used to cooperate the probe are installed in main web server, the main web server is not necessarily to File variation is actively synchronized to other hot standby servers immediately.
2. a kind of web page files synchronous method according to claim 1, it is characterised in that: the implementation packet of the probe Include but be not limited to middleware core embedded module or operating system driving.
3. a kind of web page files synchronous method according to claim 1, it is characterised in that: pacify in the main web server The function that the program of dress is realized includes but is not limited to: calculate local page file latest features value, compare two characteristic values, Web page files are synchronized and are sent to the synchronous hot standby server of request.
4. a kind of web page files synchronous method according to claim 3, it is characterised in that: the local page file is most New feature value includes but is not limited to path, hashed value, file size and the document time of web page files.
5. a kind of web page files synchronous method according to claim 1, it is characterised in that: when the probe perceives access When one web page files, if this document exists, the characteristic value of this document is calculated, obtained characteristic value is then sent to institute State main web server;
Main web server proceeds as follows after receiving this feature value: if local without corresponding web page files, notice should The sender of characteristic value takes appropriate measures to former web page files;It, should what is received if local have corresponding web page files Characteristic value and the latest features value of local corresponding web page files compare, if two characteristic values are identical, just illustrate both sides text Part is consistent, does not do any operation;If two characteristic value differences, just local correspondence web page files are synchronized and are sent to this feature The sender of value;Wherein, the sender of this feature value is the hot standby server for sending this feature value.
6. a kind of web page files synchronous method according to claim 5, it is characterised in that: the adequate measure includes but not It is limited to: deletes, is isolated or forbids accessing.
7. a kind of web page files synchronous method according to claim 1, it is characterised in that: when the probe perceives access When one web page files, if this document is not present, request main web server that corresponding web page files were synchronized immediately Come;
Main web server proceeds as follows after receiving the request: if local also without corresponding web page files, not appointing What is operated;If local there are corresponding web page files, just the web page files are synchronized the sender for being sent to former request;Wherein, The sender of original request is the hot standby server for sending the request.
8. a kind of synchronizing web pages system, it is characterised in that: including main web server, a journey is installed in the main web server The association requests for the probe that sequence is used to be fitted on other hot standby servers, the main web server is without actively text Part variation is synchronized to other hot standby servers immediately;
It is proceeded as follows after main web server receives the characteristic value that other hot standby servers are sent: if local do not have Web page files corresponding with this feature value, then notify the sender of this feature value to take appropriate measures former web page files;If Locally there are corresponding web page files, then the latest features value of this feature value for receiving and local corresponding web page files is done pair Than just illustrating that both sides file is consistent, not doing any operation if two characteristic values are identical;If two characteristic value differences, just Local correspondence web page files synchronize the sender for being sent to this feature value;Wherein, the sender of this feature value is to send the spy The hot standby server of value indicative;The adequate measure includes but is not limited to: deleting, is isolated or forbids accessing;
It is proceeded as follows after main web server receives the synchronization request that other hot standby servers are sent: if local The not corresponding web page files of the request do not do any operation then;If local have corresponding web page files, just webpage text Part synchronizes the sender for being sent to former request;Wherein, the sender of former request is the hot standby server for sending the request.
9. a kind of synchronizing web pages system, it is characterised in that: including more than one hot standby server, pacify in each hot standby server Equipped with probe, access situation of the probe to capture all web page files, only when probe discovery web page files are accessed When, it just requests main web server synchronous or checks whether to synchronize the web page files;
When the probe perceives one web page files of access, if this document exists, the characteristic value of this document is calculated, so Obtained characteristic value is sent to the main web server afterwards;
When the probe perceives one web page files of access, if this document is not present, main web server is requested immediately Corresponding web page files are synchronized.
CN201811258186.5A 2018-10-26 2018-10-26 Webpage file synchronization method and system Active CN109151071B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1863050A (en) * 2005-09-15 2006-11-15 上海华为技术有限公司 Method of document synchronization between server and system thereof
CN106325768A (en) * 2016-08-19 2017-01-11 华中科技大学 Dual storage system and method
CN106941525A (en) * 2017-03-14 2017-07-11 郑州云海信息技术有限公司 A kind of method that data consistency is kept in distributed memory system
CN107295032A (en) * 2016-03-30 2017-10-24 阿里巴巴集团控股有限公司 A kind of method and apparatus of the data syn-chronization of data center
CN108170439A (en) * 2016-12-07 2018-06-15 施耐德电子软件有限责任公司 For managing the system and method for the machine images on multiple distributed servers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1863050A (en) * 2005-09-15 2006-11-15 上海华为技术有限公司 Method of document synchronization between server and system thereof
CN107295032A (en) * 2016-03-30 2017-10-24 阿里巴巴集团控股有限公司 A kind of method and apparatus of the data syn-chronization of data center
CN106325768A (en) * 2016-08-19 2017-01-11 华中科技大学 Dual storage system and method
CN108170439A (en) * 2016-12-07 2018-06-15 施耐德电子软件有限责任公司 For managing the system and method for the machine images on multiple distributed servers
CN106941525A (en) * 2017-03-14 2017-07-11 郑州云海信息技术有限公司 A kind of method that data consistency is kept in distributed memory system

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