CN114785878B - Information extraction method and device, electronic equipment and computer readable storage medium - Google Patents
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- 238000000605 extraction Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000004590 computer program Methods 0.000 claims description 7
- 238000012795 verification Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 4
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- 230000005540 biological transmission Effects 0.000 description 3
- 235000014510 cooky Nutrition 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
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- 230000006978 adaptation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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Abstract
The invention discloses an information extraction method and device, electronic equipment and a computer readable storage medium. The information extraction method comprises the following steps: receiving a data calling request, wherein the data calling request at least carries a message header; reading head information in a message head by adopting a pre-configured head interceptor; and caching the read header information into a memory, wherein the header information cached in the memory is read by a remote procedure call service request. The invention solves the technical problems that the processing time of the header information of HTTP is longer and the return time of the request response is longer easily caused when the request data packet is analyzed in the related technology.
Description
Technical Field
The present invention relates to the field of information processing technologies, and in particular, to an information extraction method and apparatus, an electronic device, and a computer readable storage medium.
Background
In the related art, when searching through the internet, a request is generally sent to a designated address through a hypertext transfer protocol HTTP to obtain request data, after the server or the processing terminal corresponding to the designated address receives the request, the request data packet needs to be parsed to obtain header information about the HTTP, and the header information of the HTTP is longer in processing time or inaccurate in processing, which easily causes longer return time of a request response, resulting in longer return error or waiting time of a user, and the interest of the user is reduced.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides an information extraction method and device, electronic equipment and a computer readable storage medium, which at least solve the technical problem that the processing time of header information of HTTP is longer and the return time of request response is longer easily caused when a request data packet is analyzed in the related technology.
According to an aspect of an embodiment of the present invention, there is provided an information extraction method applied to a request processing server, including: receiving a data call request, wherein the data call request at least carries a message header; reading the header information in the message header by adopting a pre-configured header interceptor; and caching the read head information into a memory, wherein the head information cached in the memory is read by a remote procedure call service request.
Optionally, the step of reading header information in the message header using a pre-configured header interceptor includes: acquiring a plurality of information identifiers of a message header; and adopting the head interceptor to identify and match target information in the message header based on each piece of information so as to obtain the head information.
Optionally, after reading the header information in the message header with a pre-configured header interceptor, the method further includes: according to a preset information template, analyzing whether each piece of information data in the head information accords with a preset information format; and under the condition that the information data in the header information accords with a preset information format, confirming that the information verification is passed.
Optionally, the header interceptor is provided in a message processing chain of the request processing server.
Optionally, the head interceptor is of the type of a component.
Optionally, the type of information included in the header information includes at least one of: authentication information, domain address, client information, and language type.
According to another aspect of the embodiment of the present invention, there is also provided an information extraction apparatus applied to a request processing server, including: the receiving unit is used for receiving a data calling request, wherein the data calling request at least carries a message header; a reading unit for reading header information in the message header by using a pre-configured header interceptor; and the caching unit is used for caching the read head information into a memory, wherein the head information cached in the memory is requested to be read by a remote procedure call service.
Optionally, the reading unit includes: the first acquisition module is used for acquiring a plurality of information identifiers of the message header; and the matching module is used for adopting the head interceptor to match the target information in the message header based on each information identifier so as to obtain the head information.
Optionally, the information extraction device further includes: an analysis unit, configured to analyze whether each information data in the header information accords with a preset information format according to a preset information template after reading the header information in the message header by using a pre-configured header interceptor; and the confirmation unit is used for confirming that the information verification passes under the condition that the information data in the head information accords with a preset information format.
Optionally, the header interceptor is provided in a message processing chain of the request processing server.
Optionally, the head interceptor is of the type of a component.
Optionally, the type of information included in the header information includes at least one of: authentication information, domain address, client information, and language type.
According to another aspect of the embodiment of the present invention, there is also provided an electronic device, including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to perform the information extraction method of any one of the above via execution of the executable instructions.
According to another aspect of the embodiment of the present invention, there is also provided a computer readable storage medium, where the computer readable storage medium includes a stored computer program, where when the computer program runs, a device where the computer readable storage medium is controlled to execute the information extraction method described in any one of the foregoing.
In the embodiment of the invention, a data call request is received, wherein the data call request at least carries a message header, a pre-configured header interceptor is adopted to read header information in the message header, the read header information is cached in a memory, and the cached header information in the memory is read by a remote procedure call service request. In this embodiment, a header interceptor is added in a message processing chain of a request message, header information in a message header is read by the header interceptor, and a request service of a subsequent remote procedure call can read the header information from a memory, so that processing and attention to an HTTP header can be saved, uniformity of header processing among services is maintained, and processing time of a request response can be reduced, thereby solving the technical problem that when a request data packet is analyzed in the related art, processing time of the header information of the HTTP is long, and long return time of the request response is easy to cause.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a flow chart of an alternative information extraction method according to an embodiment of the invention;
fig. 2 is a schematic diagram of an alternative information extraction device according to an embodiment of the invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to facilitate understanding of the present application by those skilled in the art, technical terms and names involved in the embodiments of the present application are explained as follows:
The hypertext transfer protocol Hyper Text Transfer Protocol, HTTP for short, is a request-response protocol that can run on TCP.
GRPC, gRPC Remote Procedure Calls, an open source remote procedure call system initiated for google corporation may be based on HTTP protocol transmissions.
Metadata: gRPC metadata.
ProtoBuf is a serial structured data format for data exchange, has cross-platform, cross-language and extensible characteristics, is of the type used in common XML and JSON, and is suitable for data storage and network data transmission.
Methodoptions, indicating a protocol processing method in the HTTP protocol.
The application may be applied to various request processing systems or search processing systems, and the request content is not limited, and may include, but is not limited to: web page requests, transmission data requests, video requests, image requests, support various remote procedure call processing requests, for example, support the general logic of Metadata from HTTP header in process gRPC, and HTTP header data received by gRPC is put into Metadata structure (including Cookies, user-Agent, etc. all data that can be written in HTTP header), so as to conveniently obtain authentication information, client information, language information, etc.
In the application, the application is schematically illustrated by taking a support gRPC request as an example (other requests can be taken as well, such as a Restful request), a head filter can be added by expanding protobuf. Methods options, head information can be analyzed by converting a Header into metadata, and heads needing to be filtered can be customized and the head contents can be processed. The application is described below in connection with various embodiments.
Example 1
According to an embodiment of the present invention, there is provided an information extraction method embodiment, it being noted that the steps shown in the flowcharts of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that herein.
The embodiment of the invention provides an information extraction method which is applied to a request processing server. In this embodiment, the head interceptor may be provided in the message processing chain of the request processing server.
Optionally, in this embodiment, header data names that need to be filtered may be recorded by adding a header filter identifier HEADERSFILTER to the protobuf. Optionally, the type of head interceptor is a component.
Fig. 1 is a flowchart of an alternative information extraction method according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:
step S102, receiving a data calling request, wherein the data calling request at least carries a message header;
Step S104, reading head information in the message header by adopting a pre-configured head interceptor;
And step S106, caching the read head information into a memory, wherein the head information cached in the memory is requested to be read by a remote procedure call service.
Through the steps, a data call request can be received, wherein the data call request at least carries a message header, a pre-configured header interceptor is adopted to read header information in the message header, the read header information is cached in a memory, and the cached header information in the memory is read by a remote procedure call service request. In this embodiment, a header interceptor is added in a message processing chain of a request message, header information in a message header is read by the header interceptor, and a request service of a subsequent remote procedure call can read the header information from a memory, so that processing and attention to an HTTP header can be saved, uniformity of header processing among services is maintained, and processing time of a request response can be reduced, thereby solving the technical problem that when a request data packet is analyzed in the related art, processing time of the header information of the HTTP is long, and long return time of the request response is easy to cause.
The present application will be described in detail with reference to the following steps.
Step S102, a data calling request is received, wherein the data calling request at least carries a message header.
The data call request may be sent by the client, where the data call request may include: authentication information, message header, data content, etc. The request processing server receives a data call request initiated by the client, rapidly analyzes the request, returns corresponding data information to the client, and provides corresponding service for the client, wherein the content called by the data call request comprises but is not limited to: pictures, videos, text, word files, tables, etc.
Step S104, the header information in the message header is read using a pre-configured header interceptor.
Optionally, the type of information included in the header information mentioned in this embodiment includes at least one of the following: authentication information, domain address, client information, and language type.
In this embodiment, for the value corresponding to the name to be checked is defined in the new structure storage HEADERSFILTER of the defined message header, the value is used as the necessary information that the client needs to send to the server, and these information need to be identified in many services, for example, the authentication information will be checked in specific logic, the client information will generate corresponding data for different client platforms (Windows/Mac/iOS/Android/Web, etc.) when calculating the result, the language type information will process internationalization logic when returning the document, etc.
As an optional implementation of this embodiment, the step of using a pre-configured header interceptor to read header information in the message header includes: acquiring a plurality of information identifiers of a message header; the header interceptor is employed to identify the target information in the matching message header based on each information to obtain header information.
For example, a header interceptor HttpHeadersInterceptor, a server interceptor of gRPC, is added to the gRPC message processing chain to read gRPC Metadata. When Metadata is read, the header name identified by HEADERSFILTER is matched to read the required header information (including Cookies, user-Agent and the like all data which can be written in the HTTP header).
Optionally, after reading the header information in the message header using the pre-configured header interceptor, the method further includes: according to a preset information template, analyzing whether each information data in the header information accords with a preset information format; and under the condition that the information data in the header information accords with a preset information format, confirming that the information verification is passed.
In this embodiment, after a request is obtained (for example, a gRPC processing request is received), the message header is firstly converted into metadata, then the request parameter is converted into gRPC request structure, the header interceptor is used to read the header information in the message header, then the header information is returned to the memory, and the subsequent gRPC request can directly call the header information of the message header through the memory without analyzing, loading, processing the request structure and other matters, so that the request processing speed is improved.
And step S106, caching the read head information into a memory, wherein the head information cached in the memory is requested to be read by a remote procedure call service.
In this embodiment, a new structure can be added based on the protobuf definition of gRPC, HEADERSFILTER defines the Metadata name of the content to be checked, and checks whether the name exists in class HttpHeadersInterceptor (io.grpc.serverInterceptor) (the checking logic can be customized). The new structure Headers stores HEADERSFILTER values corresponding to names that need to be checked (e.g., cookies in Metadata need to be checked and extracted) and processed in class HttpHeadersInterceptor (io.grpc.serverinternitor).
With the above embodiment, a header interceptor HttpHeadersInterceptor may be added to the message processing chain of gRPC, which is a server interceptor of gRPC, for reading gRPC metadata (the metadata is information about this call during a remote call, in the form of key-value, where key is a string type, value is a set of strings, and metadata is transparent to gRPC itself, which allows clients and servers to provide information of this call to each other. The header information is cached in the memory, and the subsequent gRPC service can read the header information from the memory, so that the processing and the attention to the HTTP header can be saved, and the header processing uniformity among the services is maintained (all the services using the scheme acquire the header data according to the same logic).
The application is described below in connection with alternative embodiments.
Example two
The information extraction device provided in this embodiment may be applied to a request processing server, where each implementation unit included in the device corresponds to each implementation step in the above-described embodiment.
Fig. 2 is a schematic diagram of an alternative information extraction apparatus according to an embodiment of the present invention, as shown in fig. 2, the information extraction apparatus may include: a receiving unit 21, a reading unit 23, a buffering unit 25, wherein,
A receiving unit 21, configured to receive a data call request, where the data call request at least carries a message header;
A reading unit 23 for reading header information in the message header using a pre-configured header interceptor;
and the caching unit 25 is configured to cache the read header information in the memory, where the header information cached in the memory is requested to be read by the remote procedure call service.
In the above information extraction device, the receiving unit 21 may receive a data call request, where the data call request at least carries a message header, the reading unit 23 reads header information in the message header by using a pre-configured header interceptor, and the cache unit 25 caches the read header information in the memory, where the header information cached in the memory is read by the remote procedure call service request. In this embodiment, a header interceptor is added in a message processing chain of a request message, header information in a message header is read by the header interceptor, and a request service of a subsequent remote procedure call can read the header information from a memory, so that processing and attention to an HTTP header can be saved, uniformity of header processing among services is maintained, and processing time of a request response can be reduced, thereby solving the technical problem that when a request data packet is analyzed in the related art, processing time of the header information of the HTTP is long, and long return time of the request response is easy to cause.
Optionally, the reading unit includes: the first acquisition module is used for acquiring a plurality of information identifiers of the message header; and the matching module is used for adopting a head interceptor to identify the target information in the matched message head based on each piece of information so as to obtain the head information.
Optionally, the information extraction device further includes: an analysis unit for analyzing whether each information data in the header information accords with a preset information format according to a preset information template after the header information in the message header is read by adopting a pre-configured header interceptor; and the confirmation unit is used for confirming that the information verification passes under the condition that the information data in the header information accords with a preset information format.
Optionally, the header interceptor is provided in a message processing chain of the request processing server.
Optionally, the type of head interceptor is a component.
Optionally, the type of information included in the header information includes at least one of: authentication information, domain address, client information, and language type.
The information extraction apparatus may further include a processor and a memory, wherein the receiving unit 21, the reading unit 23, the buffer unit 25, and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor includes a kernel, and the kernel fetches a corresponding program unit from the memory. The kernel can set one or more than one, and the kernel parameters are adjusted to read the header information in the message header by adopting a pre-configured header interceptor, so that the read header information is cached in the memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM), which includes at least one memory chip.
According to another aspect of the embodiment of the present invention, there is also provided an electronic device, including: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to perform the information extraction method of any of the above via execution of the executable instructions.
According to another aspect of the embodiments of the present invention, there is also provided a computer readable storage medium, including a stored computer program, where the computer program when executed controls a device in which the computer readable storage medium is located to perform the information extraction method of any one of the above.
The application also provides a computer program product adapted to perform, when executed on a data processing device, a program initialized with the method steps of: receiving a data calling request, wherein the data calling request at least carries a message header; reading head information in a message head by adopting a pre-configured head interceptor; and caching the read header information into a memory, wherein the header information cached in the memory is read by a remote procedure call service request.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. An information extraction method, applied to a request processing server, comprising:
Receiving a data call request, wherein the data call request at least carries a message header;
Reading header information in the message header with a pre-configured header interceptor, comprising: acquiring a plurality of information identifiers of a message header; using the head interceptor to identify, based on each of the information, target information in the message header to obtain the head information, wherein the type of information contained in the head information includes at least one of: authentication information, domain address, client information, and language type;
and caching the read head information into a memory, wherein the head information cached in the memory is read by a remote procedure call service request.
2. The method of claim 1, further comprising, after reading header information in the message header with a pre-configured header interceptor:
according to a preset information template, analyzing whether each piece of information data in the head information accords with a preset information format;
and under the condition that the information data in the header information accords with a preset information format, confirming that the information verification is passed.
3. The method according to any of claims 1 to 2, wherein the header interceptor is provided in a message processing chain of the request processing server.
4. The method according to any one of claims 1 to 2, wherein the type of head interceptor is a component.
5. An information extraction apparatus, applied to a request processing server, comprising:
the receiving unit is used for receiving a data calling request, wherein the data calling request at least carries a message header;
A reading unit for reading header information in the message header using a pre-configured header interceptor, the reading unit comprising: the first acquisition module is used for acquiring a plurality of information identifiers of the message header; a matching module, configured to match target information in the message header based on each information identifier by using the header interceptor to obtain the header information, where an information type included in the header information includes at least one of the following: authentication information, domain address, client information, and language type;
And the caching unit is used for caching the read head information into a memory, wherein the head information cached in the memory is requested to be read by a remote procedure call service.
6. An electronic device, comprising:
a processor; and
A memory for storing executable instructions of the processor;
Wherein the processor is configured to perform the information extraction method of any one of claims 1 to 4 via execution of the executable instructions.
7. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored computer program, wherein the computer program, when run, controls a device in which the computer readable storage medium is located to perform the information extraction method according to any one of claims 1 to 4.
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