CN100451965C - Dynamic updating programe method - Google Patents
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- CN100451965C CN100451965C CNB2005101279037A CN200510127903A CN100451965C CN 100451965 C CN100451965 C CN 100451965C CN B2005101279037 A CNB2005101279037 A CN B2005101279037A CN 200510127903 A CN200510127903 A CN 200510127903A CN 100451965 C CN100451965 C CN 100451965C
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Abstract
The invention relates to a dynamic program upgrading method, when server end-executed service program is in operating course, updating dynamic link libraries that functional components of the service program belong to. It establishes and stores a dynamic link library information list in server to record and maintain related information for updating multiple dynamic link libraries of the service program; utilizes the information list to adopt multiple modes to obtain related information about dynamic link libraries in need of updating; then adopts two different updating modes to update the dynamic link libraries needing updating into dynamic link libraries of new version. And it can real-timely update dynamic link libraries that the functional components of the service program on the condition that the service program continuously operates, so as to avoid the losses caused by turning off the service program for updating.
Description
Technical field
The present invention relates to a kind of programme upgrade method, particularly a kind of method that makes the dynamic updating programe that service routine upgrades in operational process.
Background technology
At present, in service in the key business of some key industries, the service routine of server end operation needed run without interruption in 7 * 24 hours usually.These service routines are combined by different functional modules often, and each functional module can be made the form of dynamic link library usually.Dynamic link library (DynamicLink Library is abbreviated as DLL) is a kind of executable file as the Sharing Function storehouse, and it makes program can access not belong to function in the executable code own.The executable code of function is arranged in an independently dynamic link library file, can save the storage space of internal memory and disk like this, makes program be easier to upgrading simultaneously.When some or several functional modules need be upgraded, general method is earlier service routine to be cut off, and manually replace the dynamic link library that needs upgrading with new dynamic link library, and then start service routine, so just finished upgrading to the functional module of service routine.
But there is defective in this existing upgrade method, and that is exactly that often these service routines can not intermitten service, if temporarily cut off service routine for upgrading, causes serious loss to the user possibly.
Summary of the invention
Subject matter to be solved by this invention is to provide a kind of method of dynamic updating programe, when being in the operational process in order to the service routine when the server end operation, the dynamic link library under the functional module of service routine is upgraded.
To achieve these goals, the method of first kind of dynamic updating programe provided by the present invention, comprise following steps: in server, set up and store the information table of a dynamic link library, in order to the required relevant information of a plurality of dynamic link library upgradings of record and maintenance service program; The information table of server by utilizing dynamic link library takes this server initiatively to find out or the mode of the passive notice of this server is obtained the relevant information of the dynamic link library that needs upgrading; Server suspends the access request to the dynamic link library of needs upgrading, and waits for that the access to dynamic link library that has moved finishes; After all accesses to dynamic link library finish, unloading dynamic link library, and the new edition dynamic link library of loading dynamic link library; And the information table that upgrades dynamic link library, and acceptance is to the access request of new edition dynamic link library.
The method of second kind of dynamic updating programe provided by the present invention comprises following steps: set up and store the information table of a dynamic link library in server, in order to the required relevant information of a plurality of dynamic link library upgradings of record and maintenance service program; The information table of server by utilizing dynamic link library takes this server initiatively to find out or the mode of the passive notice of this server is obtained the relevant information of the dynamic link library that needs upgrading; Server load to need the new edition dynamic link library of the dynamic link library of upgrading, and after will loading to all access request of old edition dynamic link library, all be sent to the new edition dynamic link library, and monitor the access that has moved and whether finish the old edition dynamic link library; And after all accesses to the old edition dynamic link library finish, unloading old edition dynamic link library, and the information table of renewal dynamic link library.
In the method for two kinds of dynamic updating programes of the invention described above, the required relevant information of a plurality of dynamic link library upgradings of the service routine that information table write down of dynamic link library comprises title, version information and the positional information of each dynamic link library.And the relevant information that needs the dynamic link library of upgrading should comprise the Name ﹠ Location information of the dynamic link library of needs upgrading.
In addition, in the method for two kinds of dynamic updating programes of the invention described above, the mode that server is initiatively found out the relevant information of the dynamic link library that needs upgrading can adopt the form of a configuration file, a configuration file is deposited in the position known to service routine, and the relevant information of the dynamic link library that real-time storage need be upgraded in configuration file; The server mode of initiatively finding out the relevant information of the dynamic link library that needs upgrading also can adopt the form of a poll in addition, make the dynamic link library of server in set time inspection assigned catalogue, and obtain the title and the version information of dynamic link library, information table with dynamic link library contrasts then, with the relevant information of the dynamic link library that obtains needing upgrading.The mode of the relevant information of the dynamic link library that need upgrade about the passive notice of server can adopt the form of network service, make the server real-time listening whether upgrade information is arranged, if have then resolve this upgrade information, with the relevant information of the dynamic link library that needing to obtain upgrading.
In sum, the invention has the advantages that:
The method of dynamic updating programe of the present invention is by setting up and store the information table of a dynamic link library, with the required relevant information of dynamic link library upgrading of record and maintenance service program in server; And utilize this information table, take three kinds of modes to obtain the relevant information of the dynamic link library that needs upgrading; Then, the dynamic link library that adopts two kinds of different upgrading modes will need to upgrade again upgrades to the dynamic link library of new edition in real time under the situation that service routine runs without interruption, thus avoided effectively in the upgrade method of prior art because of upgrading temporary close service routine the loss that may cause.
In addition, though service routine because some reason generation abnormal end, when restarting service routine, the dynamic link library of loading also can keep up-to-date version.
Description of drawings
Fig. 1 is the process flow diagram of the method for first kind of dynamic updating programe of the present invention;
Fig. 2 is the process flow diagram of the method for second kind of dynamic updating programe of the present invention; And
Fig. 3 is the synoptic diagram of the information table of the dynamic link library in the method for dynamic updating programe of the present invention.
Wherein, Reference numeral:
Step 100 sets up and stores the information table of a dynamic link library in server
The information table of step 101 server by utilizing dynamic link library takes multiple mode to obtain the relevant information of the dynamic link library that needs upgrading
Step 102 server suspends the access request to the dynamic link library of needs upgrading, and waits for that the access to dynamic link library that has moved finishes
Step 103 judges whether the access to dynamic link library finishes
Step 104 unloading dynamic link library, and the new edition dynamic link library of loading dynamic link library
Step 105 is upgraded the information table of dynamic link library, accepts the access request to the new edition dynamic link library
The information table of step 201 server by utilizing dynamic link library takes multiple mode to obtain the relevant information of the dynamic link library that needs upgrading
After will loading, step 203, all is sent to the new edition dynamic link library to all access request of old edition dynamic link library
Embodiment
About feature of the present invention and embodiment, existing conjunction with figs. is described in detail as follows.
Please refer to Fig. 1, this figure is the process flow diagram of the method for first kind of dynamic updating programe of the present invention, as shown in the figure, when the method for first kind of dynamic updating programe of the present invention is in the operational process in order to the service routine when the server end operation, dynamic link library under the functional module of service routine is upgraded, and the method comprises following steps:
In server, set up and store the information table of a dynamic link library, in order to the required relevant information (step 100) of a plurality of dynamic link library upgradings of record and maintenance service program; Wherein the required relevant information of a plurality of dynamic link library upgradings of the service routine that information table write down of dynamic link library comprises title, version information and the positional information (please refer to Fig. 3) of each dynamic link library.
The information table of server by utilizing dynamic link library takes multiple mode to obtain the relevant information (step 101) of the dynamic link library that needs upgrading; Wherein need the relevant information of the dynamic link library of upgrading to comprise the Name ﹠ Location information (please refer to Fig. 3) of the dynamic link library of needs upgrading.The mode that server obtains the relevant information of the dynamic link library that needs upgrading in the method for first kind of dynamic updating programe of the present invention comprises server and initiatively finds out and the passive notice dual mode of server.When the less people's of needs of mode that server is initiatively found out participation upgrades but decided by server.Wherein, the server mode of initiatively finding out the relevant information of the dynamic link library that needs upgrading can adopt the form of a configuration file.A configuration file is deposited in the position known to service routine, and the relevant information of the dynamic link library that real-time storage need be upgraded in configuration file, adopt this kind mode to obtain the relevant information of the dynamic link library that needs upgrading, then can in the lighter time period of server load, concentrate the upgrading dynamic link library by the subsequent upgrade step; The server mode of initiatively finding out the relevant information of the dynamic link library that needs upgrading also can adopt the form of a poll in addition, make the dynamic link library of server in set time inspection assigned catalogue, and obtain the title and the version information of dynamic link library, information table with dynamic link library contrasts then, with the relevant information of the dynamic link library that obtains needing upgrading.Adopting this kind mode to obtain needs the relevant information of the dynamic link library of upgrading, in the time of can working as whenever to a new dynamic link library version, just carries out the upgrading action by the subsequent upgrade step.The mode of the passive notice of server only under the situation that server is informed to, is just taked the upgrading action, and this mode is given the system manager opportunity of upgrading, when is upgraded by its decision.The mode of the relevant information of the dynamic link library that need upgrade about the passive notice of server can adopt the form of network service, make the server real-time listening whether upgrade information is arranged, if have then resolve this upgrade information, with the relevant information of the dynamic link library that needing to obtain upgrading.
By above several modes, server has got access to the relevant information that needs the dynamic link library of upgrading, just can begin next step upgrading action.
Server suspends the access request to the dynamic link library of needs upgrading, and waits for that the access to dynamic link library that has moved finishes (step 102); What server adopted is that a kind of method that is similar to signal lamp is suspended the access request to dynamic link library.Every place that needs the access dynamic link library in the server, all must check earlier the signal lamp that is additional to this dynamic link library (this signal lamp is when loading dynamic link library, by server additional to it).If signal lamp is red, represent that then access is suspended; If signal lamp is green then represents normally access, also to add 1 before the access dynamic link library to this reference count by the dynamic link library of access, to subtract 1 to the reference count of this dynamic link library after the access.When server was upgraded to dynamic link library, the signal lamp that this dynamic link library at first is set so just can suspend the follow-up access to this dynamic link library for red, is 0 until the reference count to this dynamic link library.
Whether judgement finishes (step 103) to the access of dynamic link library, judges promptly whether the reference count to this dynamic link library is 0; When all finish back (when promptly the reference count of this dynamic link library being 0) to accesses of dynamic link library, the unloading dynamic link library, and load the new edition dynamic link library (step 104) of dynamic link library; Server is constantly checked the reference count to this dynamic link library, is kept to 0 up to its reference count, shows the access that does not have again this dynamic link library, at this moment just can unload old dynamic link library, and load the redaction of this dynamic link library.And
Upgrade the information table of dynamic link library, and acceptance is to the access request (step 105) of new edition dynamic link library, after loading new edition dynamic link library finishes, upgrade the information table of dynamic link library, and the signal lamp of new edition dynamic link library is set to green, the access request that is suspended before then begins can the new dynamic link library of access, has so just finished the upgrading to the dynamic link library of service routine, and operation that can interrupt service routine.
A specific embodiment:
K.1.0.dll server serverl has a dynamic link library, because service needed, the dynamic link library that it is upgraded to redaction k.1.1.dll.Comprise two method k1 and k2 among the k.
In the moment 1, the server signal lamp is set to redness, but k2 is by access before this, and reference count is 1, and expression does not also finish the access of k2; And needing the request of access k1 to be suspended after this by signal lamp, it can be waited for until signal lamp always and become green;
Constantly 2, the access of k2 is through with, its reference count becomes 0; And the access request of k1 is also being suspended;
In the moment 3, server learns that dynamic link library reference count k.1.0.dll is 0, and promptly all accesses k.1.0.dll finish to dynamic link library, then unload dynamic link library k.1.0.dll, and the dynamic link library of loading redaction k.1.1.dll; Also suspending the access request of k1 this moment;
In the moment 4, server is reset signal lamp for green; Also suspending the access request of k1 this moment;
Constantly 5, access side knows that signal lamp becomes green, the access request of k1 is carried out, but the k1 of access this moment has been the k1 method of dynamic link library in k.1.1.dll of upgrading back redaction.
Please refer to Fig. 2 now, this figure is the process flow diagram of the method for second kind of dynamic updating programe of the present invention, as shown in the figure, when the method for second kind of dynamic updating programe of the present invention is in the operational process in order to the service routine when the server end operation, dynamic link library under the functional module of service routine is upgraded, and the method comprises following steps:
In server, set up and store the information table of a dynamic link library, in order to the required relevant information (step 200) of a plurality of dynamic link library upgradings of record and maintenance service program; Wherein the required relevant information of a plurality of dynamic link library upgradings of the service routine that information table write down of dynamic link library comprises title, version information and the positional information (please refer to Fig. 3) of each dynamic link library.
The information table of server by utilizing dynamic link library takes multiple mode to obtain the relevant information (step 201) of the dynamic link library that needs upgrading; Wherein need the relevant information of the dynamic link library of upgrading to comprise the Name ﹠ Location information (please refer to Fig. 3) of the dynamic link library of needs upgrading.The mode that server obtains the relevant information of the dynamic link library that needs upgrading in the method for second kind of dynamic updating programe of the present invention comprises server and initiatively finds out with server is passive and notify two kinds of obtain manners.When the less people's of needs of mode that server is initiatively found out participation upgrades but decided by server.Wherein, the mode that server is initiatively found out the relevant information of the dynamic link library that needs upgrading adopts the form of a configuration file, a configuration file is deposited in the position known to service routine, and the relevant information of the dynamic link library that real-time storage need be upgraded in configuration file, adopt this kind mode to obtain the relevant information of the dynamic link library that needs upgrading, then can in the lighter time period of server load, concentrate the upgrading dynamic link library by the subsequent upgrade step; The server mode of initiatively finding out the relevant information of the dynamic link library that needs upgrading also can adopt the form of a poll in addition, make the dynamic link library of server in set time inspection assigned catalogue, and obtain the title and the version information of dynamic link library, information table with dynamic link library contrasts then, with the relevant information of the dynamic link library that obtains needing upgrading.Adopting this kind mode to obtain needs the relevant information of the dynamic link library of upgrading, in the time of can working as whenever to a new dynamic link library version, just carries out the upgrading action by the subsequent upgrade step.The mode of the passive notice of server only under the situation that server is informed to, is just taked the upgrading action.This mode is given the system manager opportunity of upgrading, when is upgraded by its decision.The mode of the relevant information of the dynamic link library that need upgrade about the passive notice of server can adopt the form of network service, make the server real-time listening whether upgrade information is arranged, if have then resolve this upgrade information, with the relevant information of the dynamic link library that needing to obtain upgrading.
By above several modes, server has got access to the relevant information that needs the dynamic link library of upgrading, just can begin next step upgrading action.
Server loads the new edition dynamic link library (step 202) of the dynamic link library that needs upgrading, and after will loading to all access request of old edition dynamic link library, all be sent to new edition dynamic link library (step 203), and monitoring judges whether the access to the old edition dynamic link library that has moved finishes (step 204); And
After all accesses to the old edition dynamic link library finish, unloading old edition dynamic link library, and the information table (step 205) of renewal dynamic link library.Wherein server loads the new edition dynamic link library by an access transponder (transmitter), and after will loading to all access request of old edition dynamic link library, all be forwarded to the new edition dynamic link library, and after all accesses to the old edition dynamic link library finish, uninstall the old edition dynamic link library by the access transponder.
Corresponding each dynamic link library of server all is provided with an access transponder, and all will be finished by the access transponder the access of dynamic link library, and the access transponder distributes a reference counter can for the dynamic link library that loads.Usually, the access transponder only loads a dynamic link library, and all access request from server all are delivered in the dynamic link library of current use by the access transponder.And in the process of the dynamic update of the method for second kind of dynamic updating programe of the present invention, the access transponder can also load into the dynamic link library of new edition and be that it distributes a reference counter.At this moment, new and old dynamic link library coexists as under the control of access transponder.After the new edition dynamic link library loaded into, all access request to the old edition dynamic link library all were forwarded in the dynamic link library of new edition by the access transponder.As time goes by, all accesses that entered the old edition dynamic link library before the new edition dynamic link library loads finish in succession, and are last, and the reference count of old edition dynamic link library is become 0, at this moment, the access transponder will unload the dynamic link library of old edition and upgrade the information table of dynamic link library.From then on constantly rise, all access request to the old edition dynamic link library all are forwarded in the new edition dynamic link library by the access transponder, thereby have finished the upgrading to the dynamic link library of service routine, and operation that can interrupt service routine.
A specific embodiment:
K.1.0.dll server serverl has a dynamic link library, because service needed, the dynamic link library that it is upgraded to redaction k.1.1.dll.Comprise two method k1 and k2 among the k.
Constantly 1, the dynamic link library that loads redaction by the access transponder k.1.1.dll, the dynamic link library that this previous access to k2 has entered legacy version k.1.0.dll, its reference count is 1, and the access of k2 is not also finished; And the dynamic link library that after this access request of k1 all is forwarded to redaction by the access transponder k.1.1.dll;
Constantly 2, the access of k2 is through with, its reference count becomes 0, and therefore, k.1.0.dll the access transponder unloads the dynamic link library of legacy version;
Constantly 3, an access to k2 is arranged again, the dynamic link library that its access request is forwarded to redaction by the access transponder k.1.1.dll, so far, upgrading is k.1.0.dll finished to dynamic link library.
Please refer to Fig. 3 at last, the information table of having represented the dynamic link library in the method for dynamic updating programe of the present invention among this figure, as shown in the figure, the required relevant information of a plurality of dynamic link library upgradings of the service routine that writes down in the information table of dynamic link library of the present invention comprises title, version information and the positional information of each dynamic link library.For example can use such naming rule: libname (library name) .version.revison (version information) .extendname (extension name, i.e. suffix name).Therefore, for example the name of a dynamic link library that checks spelling can be spell.1.0.dll, wherein spell is the title of dynamic link library, 1.0 be the primary and secondary version number (being version information) of dynamic link library, dll represents that this is that (with .dll is the file of suffix to a dynamic link library, and dll is Dynamic Link Library, dynamic link library, the windows system uses the suffix name of .dll, and linux system uses the suffix name of .so).In addition, each dynamic link library is as an executable file, and its stored positional information can for example be used: the such positional information of C: wordcheck dll is represented.
Should comprise the Name ﹠ Location information of the dynamic link library that needs upgrade as the relevant information of the dynamic link library of needs upgradings, just represent three Name ﹠ Location information (seeing also Fig. 3) that are used for the word processor dynamic link library in the form shown in Figure 3.When the information table of server by utilizing dynamic link library, take different modes to obtain the Name ﹠ Location information of these dynamic link libraries that need upgrade after, just be easy to these dynamic link libraries that need upgrade have been launched follow-up upgrade job.
Though the present invention with aforesaid better embodiment openly as above, is not in order to limit the present invention.Those of ordinary skill in the art is under the situation of scope and spirit of the present invention, and change of being made and modification all belong to scope of patent protection of the present invention.Please refer to appending claims about the protection domain that the present invention defined.
Claims (13)
1, a kind of method of dynamic updating programe when being in the operational process in order to the service routine when the server end operation, is upgraded to the dynamic link library under the functional module of this service routine, it is characterized in that the method includes the steps of:
In this server, set up and store the information table of a dynamic link library, in order to write down and to safeguard the required relevant information of a plurality of dynamic link libraries upgradings of this service routine;
The information table of this this dynamic link library of server by utilizing takes this server initiatively to find out or the mode of the passive notice of this server is obtained the relevant information of the dynamic link library that needs upgrading;
This server suspends the access request to this dynamic link library that need upgrade, and waits for that the access to this dynamic link library that has moved finishes;
After all accesses to this dynamic link library finish, unload this dynamic link library, and load the new edition dynamic link library of this dynamic link library; And
Upgrade the information table of this dynamic link library, and accept access request this new edition dynamic link library.
2, the method for dynamic updating programe as claimed in claim 1, it is characterized in that the required relevant information of a plurality of dynamic link library upgradings of this service routine that information table write down of this dynamic link library comprises title, version information and the positional information of this each dynamic link library.
3, the method for dynamic updating programe as claimed in claim 1, it is characterized in that, the mode that this server is initiatively found out the relevant information of the dynamic link library that needs upgrading adopts the form of a configuration file, a configuration file is deposited in the position known to this service routine, and the relevant information of the dynamic link library that real-time storage need be upgraded in this configuration file.
4, the method for dynamic updating programe as claimed in claim 1, it is characterized in that, the mode that this server is initiatively found out the relevant information of the dynamic link library that needs upgrading adopts the form of a poll, make the dynamic link library of this server in set time inspection assigned catalogue, and obtain the title and the version information of this dynamic link library, information table with this dynamic link library contrasts then, with the relevant information of the dynamic link library that obtains needing upgrading.
5, the method for dynamic updating programe as claimed in claim 1, it is characterized in that, the mode of the relevant information of the dynamic link library that the passive notice of this server need be upgraded adopts the form of network service, make this server real-time listening whether upgrade information is arranged, if have then resolve this upgrade information, with the relevant information of the dynamic link library that needing to obtain upgrading.
6, the method for dynamic updating programe as claimed in claim 1 is characterized in that, the relevant information of the dynamic link library that this need be upgraded comprises the Name ﹠ Location information of this dynamic link library that need upgrade.
7, a kind of method of dynamic updating programe when being in the operational process in order to the service routine when the server end operation, is upgraded to the dynamic link library under the functional module of this service routine, it is characterized in that the method includes the steps of:
In this server, set up and store the information table of a dynamic link library, in order to write down and to safeguard the required relevant information of a plurality of dynamic link libraries upgradings of this service routine;
The information table of this this dynamic link library of server by utilizing takes this server initiatively to find out or the mode of the passive notice of this server is obtained the relevant information of the dynamic link library that needs upgrading;
This server loads the new edition dynamic link library of this dynamic link library that need upgrade, and after will loading to all access request of old edition dynamic link library, all be sent to this new edition dynamic link library, and whether the access to this old edition dynamic link library that monitoring has moved finishes; And
After all accesses to this old edition dynamic link library finish, unload this old edition dynamic link library, and upgrade the information table of this dynamic link library.
8, the method for dynamic updating programe as claimed in claim 7, it is characterized in that, this server adds this new edition dynamic link library of loading by an access transponder, and after will loading to all access request of this old edition dynamic link library, all be forwarded to this new edition dynamic link library, and after all accesses to this old edition dynamic link library finish, uninstall this old edition dynamic link library by this access transponder.
9, the method for dynamic updating programe as claimed in claim 7, it is characterized in that the required relevant information of a plurality of dynamic link library upgradings of this service routine that information table write down of this dynamic link library comprises title, version information and the positional information of this each dynamic link library.
10, the method for dynamic updating programe as claimed in claim 7, it is characterized in that, the mode that this server is initiatively found out the relevant information of the dynamic link library that needs upgrading adopts the form of a configuration file, a configuration file is deposited in the position known to this service routine, and the relevant information of the dynamic link library that real-time storage need be upgraded in this configuration file.
11, the method for dynamic updating programe as claimed in claim 7, it is characterized in that, the mode that this server is initiatively found out the relevant information of the dynamic link library that needs upgrading adopts the form of a poll, make the dynamic link library of this server in set time inspection assigned catalogue, and obtain the title and the version information of this dynamic link library, information table with this dynamic link library contrasts then, with the relevant information of the dynamic link library that obtains needing upgrading.
12, the method for dynamic updating programe as claimed in claim 7, it is characterized in that, the mode of the relevant information of the dynamic link library that the passive notice of this server need be upgraded adopts the form of network service, make this server real-time listening whether upgrade information is arranged, if have then resolve this upgrade information, with the relevant information of the dynamic link library that needing to obtain upgrading.
13, the method for dynamic updating programe as claimed in claim 7 is characterized in that, the relevant information of the dynamic link library that this need be upgraded comprises the Name ﹠ Location information of this dynamic link library that need upgrade.
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| CN1477500A (en) * | 2002-08-19 | 2004-02-25 | 万达信息股份有限公司 | Software automatic upgrading and updating method under Client/Server frame |
| US20040255287A1 (en) * | 2003-06-16 | 2004-12-16 | Ruihua Zhang | Method and apparatus for updating inter-server communication software |
| US20050039196A1 (en) * | 2003-08-13 | 2005-02-17 | Sasidharan Prasanth Nalini | Method and system for using a library |
| CN1641574A (en) * | 2004-01-18 | 2005-07-20 | 北京大学 | Method for on-line increasing new function for member software system |
-
2005
- 2005-12-07 CN CNB2005101279037A patent/CN100451965C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002024037A (en) * | 2000-07-03 | 2002-01-25 | Nec Microsystems Ltd | Method for updating dynamic link library file |
| CN1477500A (en) * | 2002-08-19 | 2004-02-25 | 万达信息股份有限公司 | Software automatic upgrading and updating method under Client/Server frame |
| US20040255287A1 (en) * | 2003-06-16 | 2004-12-16 | Ruihua Zhang | Method and apparatus for updating inter-server communication software |
| US20050039196A1 (en) * | 2003-08-13 | 2005-02-17 | Sasidharan Prasanth Nalini | Method and system for using a library |
| CN1641574A (en) * | 2004-01-18 | 2005-07-20 | 北京大学 | Method for on-line increasing new function for member software system |
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| CN1979418A (en) | 2007-06-13 |
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