CN107643924A - A kind of upgrade method, system, equipment and the storage medium of kernel state client - Google Patents
A kind of upgrade method, system, equipment and the storage medium of kernel state client Download PDFInfo
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- CN107643924A CN107643924A CN201710912392.2A CN201710912392A CN107643924A CN 107643924 A CN107643924 A CN 107643924A CN 201710912392 A CN201710912392 A CN 201710912392A CN 107643924 A CN107643924 A CN 107643924A
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Abstract
The invention discloses a kind of upgrade method, system, equipment and the storage medium of kernel state client, wherein this method includes：Obtain the replacement function of extraneous input and be replaced the respective identification information of function；By replacement function and it is replaced the respective identification information of function and is combined into replacement event；Replacement event is added to the clobal chained list of kernel state module, the function that is replaced in own module is replaced with by replacement function based on replacement event when performing clobal chained list for kernel state module.A kind of upgrade method of kernel state client provided by the invention, by replacement function and it is replaced the respective identification information of function and is combined into replacement event, replacement event is added in the clobal chained list of kernel state module, by clobal chained list replacement event is triggered by kernel state module, when performing clobal chained list due to kernel state module, it is out of service without front end applications, the applicability of kernel state upgrade method is improved to a certain extent.
Description
Technical field
The present invention relates to technical field of distributed memory, more specifically to a kind of upgrading side of kernel state client
Method, system, equipment and storage medium.
Background technology
With the development of memory technology, the application of distributed storage is more and more extensive.And the IO time delays of distributed storage compared with
Height, in order to reduce IO time delays, existing distributed file system improves IO efficiency using kernel state client.
But when entering line function upgrading to kernel state client, it is necessary to first stop front end applications, then from new loading kernel
Morphotype block, line function and clobal chained list to be shipped is packaged with kernel state module mentioned here, being not suitable for those does not allow
Front end applications stop kernel state distributed file system so that existing kernel state upgrade method it is poor for applicability.
In summary, how to improve the applicability of kernel state upgrade method is that current those skilled in the art are urgently to be resolved hurrily
Problem.
The content of the invention
It is an object of the invention to provide a kind of upgrade method of kernel state client, its can solve to a certain extent how
Improve the technical problem of the applicability of kernel state upgrade method.Present invention also offers a kind of upgrading system of kernel state client
System, equipment and storage medium.
To achieve these goals, the present invention provides following technical scheme：
A kind of upgrade method of kernel state client, including：
Obtain the replacement function of extraneous input and be replaced the respective identification information of function；
The replacement function and the respective identification information of function that is replaced are combined into replacement event；
The replacement event is added to the clobal chained list of kernel state module, for described in kernel state module execution
Function will be replaced described in own module based on the replacement event during clobal chained list and replace with the replacement function.
Preferably, it is described to obtain the extraneous replacement function inputted and be replaced the respective identification information of function, including：
Obtain the replacement function of extraneous input and be replaced the respective function name of function；
The replacement function is searched based on the function name and described is replaced the respective function address of function；
It is described that the replacement function and the identification information for being replaced function are combined into replacement event, including：
The function name and the function address are combined into replacement event.
Preferably, it is described that the function name and the function address are combined into replacement event, including：
The function name and the function address are combined into replacement event, the function name and the function address are in institute
State in replacement event put in order including：The function name that is replaced function, the function address that is replaced function, replacement function
The function address of function name, replacement function.
Present invention also offers a kind of upgrade-system of kernel state client, including：
Acquisition device, for obtaining the replacement function of extraneous input and being replaced the respective identification information of function；
Combination unit, for the replacement function and the respective identification information of function that is replaced to be combined into replacement thing
Part；
Adding set, for adding the replacement event to the clobal chained list of kernel state module, for the kernel
Replaced when morphotype block performs the clobal chained list based on the replacement event by function is replaced described in own module
For the replacement function.
Preferably, the acquisition device includes：
Acquisition module, for obtaining the replacement function of extraneous input and being replaced the respective function name of function；
Searching modul, for searching the replacement function based on the function name and described being replaced the respective function of function
Address；
The combination unit includes：
Composite module, for the function name and the function address to be combined into replacement event.
Preferably, the composite module includes：
Assembled unit, for the function name and the function address to be combined into replacement event, the function name and institute
State function address in the replacement event put in order including：The function name that is replaced, the function address being replaced, replace
Function name, replace function address.
Present invention also offers a kind of updating apparatus of kernel state client, including：
Memory, for storing computer program；
Processor, the upgrade method of any of the above-described kind of kernel state client is realized during for performing the computer program
Step.
Present invention also offers a kind of storage medium, computer program, the computer are stored with the storage medium
The step of upgrade method of any of the above-described kind of kernel state client is realized when program is executed by processor.
A kind of upgrade method of kernel state client provided by the invention, including：Obtain extraneous input replacement function and
It is replaced the respective identification information of function；By replacement function and it is replaced the respective identification information of function and is combined into replacement event；
Replacement event is added to the clobal chained list of kernel state module, is based on replacing when performing clobal chained list for kernel state module
Change event and the function that is replaced in own module is replaced with into replacement function.A kind of liter of kernel state client provided by the invention
Level method, first obtain the replacement function of extraneous input and be replaced the respective identification information of function；Then by replacement function and by
The respective identification information of replacement function is combined into replacement event；Replacement event is finally added to the clobal of kernel state module
In chained list, so, kernel state module when performing clobal chained list can with based on the event of replacement by the quilt in own module
Replacement function replaces with replacement function.The upgrade method of a kind of kernel state client provided by the invention, by by replacement function
Replacement event is combined into the respective identification information of function is replaced, then replacement event is added to the overall situation of kernel state module
In event chained list, replacement event is triggered by kernel state module by clobal chained list, and then function will be replaced and replaced with
Exchange the letters number, it is out of service without front end applications when performing clobal chained list due to kernel state module, so provided by the invention
A kind of upgrade method of kernel state client replaces with replacement function without the front end applications function out of service that will can be replaced,
With more preferable adaptability.In summary, a kind of upgrade method of kernel state client provided by the invention is to a certain extent
Solves the technical problem for the applicability for how improving kernel state upgrade method.A kind of kernel state client provided by the invention
Upgrade-system, equipment and storage medium also solve corresponding technical problem.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of flow chart of the upgrade method of kernel state client provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of the upgrade-system of kernel state client provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of the updating apparatus of kernel state client provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of the upgrade method of kernel state client provided in an embodiment of the present invention.
A kind of upgrade method of kernel state client provided in an embodiment of the present invention may comprise steps of：
Step S101：Obtain the replacement function of extraneous input and be replaced the respective identification information of function.
In practical application, because the upgrading of kernel state client is realized in units of function, it is possible to first obtain
Upgrade required replacement function and be replaced the respective identification information of function.Here replacement function and to be replaced function respective
Identification information can be extraneous input.
Step S102：By replacement function and it is replaced the respective identification information of function and is combined into replacement event.
Getting replacement function and after being replaced the respective identification information of function, can with by replacement function and by for
The respective identification information of exchange the letters number is combined into replacement event, and replacement event mentioned here can be added to kernel state module
Event in clobal chained list.
Step S103：Replacement event is added to the clobal chained list of kernel state module, so that kernel state module performs entirely
The function that is replaced in own module is replaced with by replacement function based on replacement event during office's event chained list.
After replacement event is combined into, the event of replacement can be added in clobal chained list.Because kernel state module
Clobal chained list can be performed, and replaces event in clobal chained list, so kernel state module is performing clobal
It will perform replacement event during chained list, so can be so that the function that is replaced in own module be replaced with and replaced by replacement event
Exchange the letters number, replacement process can be：Kernel state module first identification information in replacement event find be replaced function and
Replacement function, when run to be replaced function when, it is out of service to be replaced function, then run replacement function.Due to kernel state
Module is out of service without front end applications when performing clobal chained list, it is possible in the feelings that front end applications are not out of service
The upgrading of kernel state client is realized under condition.
A kind of upgrade method of kernel state client provided by the invention, including：Obtain extraneous input replacement function and
It is replaced the respective identification information of function；By replacement function and it is replaced the respective identification information of function and is combined into replacement event；
Replacement event is added to the clobal chained list of kernel state module, is based on replacing when performing clobal chained list for kernel state module
Change event and the function that is replaced in own module is replaced with into replacement function.A kind of liter of kernel state client provided by the invention
Level method, first obtain the replacement function of extraneous input and be replaced the respective identification information of function；Then by replacement function and by
The respective identification information of replacement function is combined into replacement event；Replacement event is finally added to the clobal of kernel state module
In chained list, so, kernel state module when performing clobal chained list can with based on the event of replacement by the quilt in own module
Replacement function replaces with replacement function.The upgrade method of a kind of kernel state client provided by the invention, by by replacement function
Replacement event is combined into the respective identification information of function is replaced, then replacement event is added to the overall situation of kernel state module
In event chained list, replacement event is triggered by kernel state module by clobal chained list, and then function will be replaced and replaced with
Exchange the letters number, it is out of service without front end applications when performing clobal chained list due to kernel state module, so provided by the invention
A kind of upgrade method of kernel state client replaces with replacement function without the front end applications function out of service that will can be replaced,
With more preferable adaptability.In summary, a kind of upgrade method of kernel state client provided by the invention is to a certain extent
Solves the technical problem for the applicability for how improving kernel state upgrade method.
In a kind of upgrade method of kernel state client provided in an embodiment of the present invention, the replacement function of extraneous input is obtained
Be replaced the respective identification information of function, can include：
Obtain the replacement function of extraneous input and be replaced the respective function name of function；
Replacement function is searched based on function name and is replaced the respective function address of function；
Replacement function and the identification information for being replaced function are combined into replacement event, can be included：
Function name and function address are combined into replacement event.
In practical application, when it is already present function that replacement function is with function is replaced, the external world can be directly obtained
The function name of the replacement function of input and the function name for being replaced function, the form of the function name of user's input can be ikc-
Admin, wherein ikc represent to be replaced function name, admin expression replacement function names；Then searched and replaced by the function name of acquisition
The function address of exchange the letters number and the function address for being replaced function, such as in the kernel sys_call_table of kernel morphotype block
Function address is searched, at this moment, replacement function can be located in different collections of functions with function is replaced, and user can also be by one
In new function write-in collection of functions, and the function name of the new function and function address are write in kernel sys_call_table,
Realize the renewal to function；Then by the function name of replacement function and function address, the function name for being replaced function and function
Location is combined into replacement event, and now, identification information is function name and function address.Corresponding, kernel state module performs replacement
During event, it can first be found according to the function address that function is replaced in replacement event and be replaced function, be replaced when running to
During function, interrupt status can be introduced into, replacement function is then found by the function address of replacement function in replacement event,
End interrupt state simultaneously then operation replacement function, due to kernel state module do not run be replaced function transfer operation replace letter
Number, function will be replaced by, which realizing, replaces with replacement function.In practical application, the of the function pointer of function can will be replaced
One byte is arranged to INT3_INSTRUCTION first character section, so, when kernel morphotype block runs to the byte just
Can be automatically into interrupt status.Certainly, it can also realize that will be replaced function replaces with by function pointer in practical application
Replacement function, for example the function operation pointer of kernel state module is arranged to the function pointer of replacement function, function operation is referred to
The function address of pin is changed to the function address of replacement function by the function address for being replaced function, and so, kernel state module exists
Go to when being replaced function, because function address changes, notifier_block.notifer_call letters will be triggered
Number, whether discriminant function operation pointer is consistent with the function pointer of replacement function, if so, then entering line function replacement operation；In addition,
When needing to interrupt replacement process, the relevant information of the replacement function in replacement event can be deleted, and function operation is referred to
The function address of pin is reduced to be replaced the function address of function.
In a kind of upgrade method of kernel state client provided in an embodiment of the present invention, function name and function address are combined
Into the event of replacement, can include：
It is suitable that function name and function address are combined into the arrangement of replacement event, function name and function address in replacement event
Sequence can include：The function name being replaced, the function address, the function name of replacement, the function address of replacement that are replaced.
In practical application, function name and function address putting in order in replacement event can be：The function being replaced
Name, the function address being replaced, the function name replaced, the function address replaced.Can also be according to reality in certain replacement event
Need to add other business, for example replace the time of generation etc., the present invention is not specifically limited herein.
Present invention also offers a kind of upgrade-system of kernel state client, it has one kind provided in an embodiment of the present invention
The corresponding effect that the upgrade method of kernel state client has.Referring to Fig. 2, Fig. 2 is in one kind provided in an embodiment of the present invention
The structural representation of the upgrade-system of core state client.
A kind of upgrade-system of kernel state client provided in an embodiment of the present invention, can include：
Acquisition device A1, for obtaining the replacement function of extraneous input and being replaced the respective identification information of function；
A2 is combined the unit, for by replacement function and being replaced the respective identification information of function and being combined into replacement event；
Adding set A3, for adding replacement event to the clobal chained list of kernel state module, for kernel state module
The function that is replaced in own module is replaced with by replacement function based on replacement event when performing clobal chained list.
In practical application, kernel state client has two states of kernel state and User space, and user can only pass through User space pair
Kernel state is operated, it is possible to sets User space to grasp in a kind of upgrade-system of kernel state client provided by the invention
Make interface, receive the operational order of external world's input, for example replace, instead replace, inquiring about etc.；Character device is set, realized user
The operational order that state operate interface receives is converted into the character that kernel state module can identify.
In a kind of upgrade-system of kernel state client provided in an embodiment of the present invention, acquisition device can include：
Acquisition module, for obtaining the replacement function of extraneous input and being replaced the respective function name of function；
Searching modul, for searching replacement function based on function name and being replaced the respective function address of function；
Combination unit can include：
Composite module, for function name and function address to be combined into replacement event.
In a kind of upgrade-system of kernel state client provided in an embodiment of the present invention, composite module can include：
Assembled unit, replaced for function name and function address to be combined into replacement event, function name and function address
Putting in order in event can include：The function name that is replaced, the function address being replaced, the function name replaced, replace
Function address.
Present invention also offers a kind of updating apparatus and storage medium of kernel state client, it is respectively provided with implementation of the present invention
The corresponding effect that a kind of upgrade method for kernel state client that example provides has.Referring to Fig. 3, Fig. 3 is the embodiment of the present invention
A kind of structural representation of the updating apparatus of the kernel state client provided.
A kind of updating apparatus of kernel state client provided in an embodiment of the present invention, including：
Memory B1, for storing computer program；
Processor B2, the step of the upgrade method of any of the above-described kind of kernel state client is realized during for performing computer program
Suddenly.
In a kind of storage medium provided in an embodiment of the present invention, computer program, computer journey are stored with storage medium
The step of upgrade method of any of the above-described kind of kernel state client is realized when sequence is executed by processor.
The explanation of relevant portion refers to this in a kind of upgrade-system of kernel state client provided in an embodiment of the present invention
The detailed description of corresponding part, will not be repeated here in a kind of upgrade method for kernel state client that inventive embodiments provide.
In addition, portion consistent with corresponding to technical scheme realization principle in the prior art in above-mentioned technical proposal provided in an embodiment of the present invention
Divide and unspecified, in order to avoid excessively repeat.
The foregoing description of the disclosed embodiments, those skilled in the art are enable to realize or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and generic principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
The embodiments shown herein is formed on, and is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (8)
- A kind of 1. upgrade method of kernel state client, it is characterised in that including：Obtain the replacement function of extraneous input and be replaced the respective identification information of function；The replacement function and the respective identification information of function that is replaced are combined into replacement event；The replacement event is added to the clobal chained list of kernel state module, so that the kernel state module performs the overall situation Function will be replaced described in own module based on the replacement event during event chained list and replace with the replacement function.
- 2. according to the method for claim 1, it is characterised in that described to obtain the extraneous replacement function inputted and be replaced letter The respective identification information of number, including：Obtain the replacement function of extraneous input and be replaced the respective function name of function；The replacement function is searched based on the function name and described is replaced the respective function address of function；It is described by the replacement function and the respective identification information of function that is replaced is combined into replacement event, including：The function name and the function address are combined into replacement event.
- 3. according to the method for claim 2, it is characterised in that described to be combined into the function name and the function address Replacement event, including：The function name and the function address are combined into replacement event, the function name and the function address replace described Change in event put in order including：The function name for being replaced function, the function address, the function of replacement function that are replaced function Name, the function address of replacement function.
- A kind of 4. upgrade-system of kernel state client, it is characterised in that including：Acquisition device, for obtaining the replacement function of extraneous input and being replaced the respective identification information of function；Combination unit, for the replacement function and the respective identification information of function that is replaced to be combined into replacement event；Adding set, for adding the replacement event to the clobal chained list of kernel state module, for the kernel morphotype Function will be replaced described in own module based on the replacement event when block performs the clobal chained list and replace with institute State replacement function.
- 5. system according to claim 4, it is characterised in that the acquisition device includes：Acquisition module, for obtaining the replacement function of extraneous input and being replaced the respective function name of function；Searching modul, for based on the function name search the replacement function and it is described with being replaced the respective function of function Location；The combination unit includes：Composite module, for the function name and the function address to be combined into replacement event.
- 6. system according to claim 5, it is characterised in that the composite module includes：Assembled unit, for the function name and the function address to be combined into replacement event, the function name and the letter Number addresses in the replacement event put in order including：The function name that is replaced function, the function address for being replaced function, The function name of replacement function, the function address of replacement function.
- A kind of 7. updating apparatus of kernel state client, it is characterised in that including：Memory, for storing computer program；Processor, a kind of kernel state client as described in any one of claims 1 to 3 is realized during for performing the computer program The step of upgrade method at end.
- 8. a kind of storage medium, it is characterised in that computer program, the computer program quilt are stored with the storage medium Realized during computing device as described in any one of claims 1 to 3 the step of a kind of upgrade method of kernel state client.
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Application publication date: 20180130 |