CN111638976A - Data transmission method and system based on shared memory - Google Patents
Data transmission method and system based on shared memory Download PDFInfo
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Abstract
The application provides a data transmission method and a data transmission system based on a shared memory, which are applied to the technical field of communication, wherein the method realizes the interaction between a local target application program (namely a browser or a WeChat applet) and the shared memory program through a shared memory communication mode of interprocess communication, thereby acquiring target resource content, avoiding the problem of large development amount caused by the need of developing different plug-ins aiming at different browsers for realizing the local acquisition of the resource content by the browser or the WeChat applet from the browser, and the problem of fussy programs caused by the need of restarting the browser usually for realizing the functions of the plug-ins, and further improving the user experience.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission method and system based on a shared memory.
Background
The bank provides traditional financial services such as account opening, account selling, inquiry, account checking, in-line transfer, inter-line transfer, credit, online securities, investment and financing and the like to the client through the internet by utilizing the network technology, so that the financial services such as current and regular deposit, check, credit card, personal investment and the like can be safely and conveniently managed without leaving the client.
In the prior art, when a user accesses an internet bank through the internet, financial service information such as a security keyboard, a Ukey signature, a security certificate and the like of a banking system is generally called through an extension program of a browser, so that the security of the financial service transacted by the user is ensured.
However, multiple versions of extension programs need to be developed for different browsers, and the extension programs need to be released and maintained in an application store, and the browsers need to be restarted after installation, which results in high development cost, high maintenance difficulty and poor user experience.
Disclosure of Invention
The application provides a data transmission method and a system based on a shared memory, which realize the interaction between a local target application program (namely a browser or a WeChat applet) and the shared memory program through a shared memory communication mode of interprocess communication, thereby acquiring target resource content, avoiding the problem of large development amount caused by the need of developing different plug-ins aiming at different browsers for realizing the local acquisition of the resource content by the browser or the WeChat applet, and the problem of complicated program because the browser is usually required to be restarted for realizing the functions of the plug-ins, and further improving the user experience, and the technical scheme adopted by the application is as follows:
in a first aspect, a method for data transmission based on a shared memory is provided, the method including,
a first process corresponding to a local target application program sends a service processing request to an application system server;
the application system server determines the interprocess communication mode as a shared memory communication mode and resource request content based on the service processing request, and feeds back the determined interprocess communication mode and the resource request content to the local target application program;
a first process corresponding to a local target application program transmits resource request content to a second process corresponding to a shared memory program in a shared memory communication mode;
the second process corresponding to the shared memory program sends the acquired target resource content to the application system server;
the application system server is used for determining a service processing result based on the acquired target resource content;
and a first process corresponding to the local target application program receives a service processing result sent by the application system server.
Optionally, the local target application is a browser or a wechat applet.
Optionally, the application system server is an online banking system server.
Optionally, the business process request may be one or more of a certificate login, a form signature, and a certificate binding.
In a second aspect, a data transmission system based on a shared memory is provided, and the system comprises a first process corresponding to a local target application program, an application system server, and a second process corresponding to a shared memory program; the method comprises the following steps:
the first process corresponding to the local target application program is used for sending a service processing request to the application system server;
the application system server is used for determining an interprocess communication mode as a shared memory communication mode and resource request content based on the service processing request and feeding back the determined interprocess communication mode and the resource request content to the local target application program;
the first process corresponding to the local target application program is used for transmitting the resource request content to the second process corresponding to the shared memory program in a shared memory communication mode;
the second process corresponding to the shared memory program is used for sending the acquired target resource content to the application system server;
the application system server is used for determining a service processing result based on the acquired target resource content;
and the first process corresponding to the local target application program is used for receiving the service processing result sent by the application system server.
Optionally, the local target application is a browser or a wechat applet.
Optionally, the application system server is an online banking system server.
Optionally, the business process request may be one or more of a certificate login, a form signature, and a certificate binding.
The application provides a data transmission method and a data transmission system based on a shared memory, and the application sends a service processing request to an application system server through a first process corresponding to a local target application program; the application system server determines that the interprocess communication mode is a shared memory communication mode and resource request content based on the service processing request, and feeds back the determined interprocess communication mode and the resource request content to the local target application program; a first process corresponding to the local target application program transmits resource request content to a second process corresponding to the shared memory program in a shared memory communication mode; the second process corresponding to the shared memory program sends the acquired target resource content to the application system server; the application system server is used for determining a service processing result based on the acquired target resource content; and receiving the service processing result sent by the application system server by the first process corresponding to the local target application program. The interaction between a local target application program (namely a browser or a wechat applet) and a shared memory program is realized through a shared memory communication mode of interprocess communication, so that target resource content is obtained, the problem that the development amount is large due to the fact that different plug-ins need to be developed for different browsers to achieve the fact that the browser or the wechat applet locally obtains the resource content is solved, the problem that the program is complex due to the fact that the browser usually needs to be restarted to achieve the function of the plug-ins is solved, and the user experience can be improved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flowchart of a data transmission method based on a shared memory according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
The micro-service is not only the micro-service itself but also a system provides a set of basic framework, the framework can enable the micro-service to be independently deployed, operated and upgraded, and the micro-service can be structurally loosely coupled and functionally represented as a unified whole. The 'unified whole' can be represented by a unified style interface, unified authority management, a unified security policy, a unified online process, a unified log and auditing method, a unified scheduling mode, a unified access entry and the like.
Example one
An embodiment of the present application provides a data transmission method based on a shared memory, and as shown in fig. 1, the method may include the following steps:
step S101, a first process corresponding to a local target application program sends a service processing request to an application system server;
step S102, the application system server determines the inter-process communication mode as a shared memory communication mode and resource request content based on the service processing request, and feeds back the determined inter-process communication mode and resource request content to the local target application program;
step S103, the first process corresponding to the local target application program transmits the resource request content to the second process corresponding to the shared memory program in a shared memory communication mode;
step S104, the second process corresponding to the shared memory program sends the acquired target resource content to the application system server;
step S105, the application system server is used for determining a service processing result based on the acquired target resource content;
and step S106, the first process corresponding to the local target application program receives the service processing result sent by the application system server.
Inter-process Communication (IPC) refers to data sharing and data exchange between different processes.
Specifically, a first process corresponding to the local target application program and a second process corresponding to the shared memory can interact based on an interprocess communication technology, so that data transmission is realized.
The shared memory is a very effective way for two running processes to share and transfer data, and as the name suggests, the shared memory allows two unrelated processes to access the same logical memory. The memory shared between different processes is usually the same physical memory segment. The processes may connect the same segment of physical memory to their own address space, and all processes may access addresses in the shared memory. If a process writes data to shared memory, the changes made will immediately affect any other process that can access the same segment of shared memory.
Shared memory does not provide a synchronization mechanism, i.e., there is no automatic mechanism to prevent a second process from starting to read a shared memory before a first process finishes writing to it, so we usually need to use other mechanisms to synchronize accesses to shared memory, such as semaphores.
For example, IPC of Shared Memory is used to illustrate the communication principle with analyzing Shared Memory. In Linux, each process has its own Process Control Block (PCB) and address Space (Addr Space), and has a page table corresponding thereto, which is responsible for mapping a virtual address and a physical address of the process, and managing the process through a Memory Management Unit (MMU). Two different virtual addresses are mapped to the same region of physical space through a page table, and the region of the block to which they point shares memory.
In particular, the local target application may be a browser or a wechat applet; the application system server can be an online banking system server; the business process request may be one or more of a certificate login, a form signature, and a certificate binding.
According to a specific application scenario of the application, a user can perform inter-process communication with a second process corresponding to a shared memory through a first process corresponding to a browser or a WeChat applet, so that resource content information needing to be acquired is sent to the second process corresponding to the shared memory, and then the second process corresponding to the shared memory program sends acquired target resource content to an online banking system server (application system server) for service handling.
The embodiment of the application provides a data transmission method based on a shared memory, and the application sends a service processing request to an application system server through a first process corresponding to a local target application program; the application system server determines that the interprocess communication mode is a shared memory communication mode and resource request content based on the service processing request, and feeds back the determined interprocess communication mode and the resource request content to the local target application program; a first process corresponding to the local target application program transmits resource request content to a second process corresponding to the shared memory program in a shared memory communication mode; the second process corresponding to the shared memory program sends the acquired target resource content to the application system server; the application system server is used for determining a service processing result based on the acquired target resource content; and receiving the service processing result sent by the application system server by the first process corresponding to the local target application program. The interaction between a local target application program (namely a browser or a wechat applet) and a shared memory program is realized through a shared memory communication mode of interprocess communication, so that target resource content is obtained, the problem that the development amount is large due to the fact that different plug-ins need to be developed for different browsers to achieve the fact that the browser or the wechat applet locally obtains the resource content is solved, the problem that the program is complex due to the fact that the browser usually needs to be restarted to achieve the function of the plug-ins is solved, and the user experience can be improved.
Example two
The embodiment of the application provides a data transmission system based on a shared memory, which comprises a first process corresponding to a local target application program, an application system server and a second process corresponding to a shared memory program; the method comprises the following steps:
the first process corresponding to the local target application program is used for sending a service processing request to the application system server;
the application system server is used for determining an interprocess communication mode as a shared memory communication mode and resource request content based on the service processing request and feeding back the determined interprocess communication mode and the resource request content to the local target application program;
the first process corresponding to the local target application program is used for transmitting the resource request content to the second process corresponding to the shared memory program in a shared memory communication mode;
the second process corresponding to the shared memory program is used for sending the acquired target resource content to the application system server;
the application system server is used for determining a service processing result based on the acquired target resource content;
and the first process corresponding to the local target application program is used for receiving the service processing result sent by the application system server.
Wherein the local target application program is a browser or a wechat applet.
Wherein, the application system server is an online banking system server.
Wherein the business processing request can be one or more of certificate login, form signature and certificate binding.
Inter-process Communication (IPC) refers to data sharing and data exchange between different processes.
Specifically, a first process corresponding to the local target application program and a second process corresponding to the shared memory can interact based on an interprocess communication technology, so that data transmission is realized.
Specifically, a first process corresponding to the local target application program and a second process corresponding to the shared memory can interact based on an interprocess communication technology, so that data transmission is realized.
The shared memory is a very effective way for two running processes to share and transfer data, and as the name suggests, the shared memory allows two unrelated processes to access the same logical memory. The memory shared between different processes is usually the same physical memory segment. The processes may connect the same segment of physical memory to their own address space, and all processes may access addresses in the shared memory. If a process writes data to shared memory, the changes made will immediately affect any other process that can access the same segment of shared memory.
Shared memory does not provide a synchronization mechanism, i.e., there is no automatic mechanism to prevent a second process from starting to read a shared memory before a first process finishes writing to it, so we usually need to use other mechanisms to synchronize accesses to shared memory, such as semaphores.
For example, IPC of Shared Memory is used to illustrate the communication principle with analyzing Shared Memory. In Linux, each process has its own Process Control Block (PCB) and address Space (Addr Space), and has a page table corresponding thereto, which is responsible for mapping a virtual address and a physical address of the process, and managing the process through a Memory Management Unit (MMU). Two different virtual addresses are mapped to the same region of physical space through a page table, and the region of the block to which they point shares memory.
In particular, the local target application may be a browser or a wechat applet; the application system server can be an online banking system server; the business process request may be one or more of a certificate login, a form signature, and a certificate binding.
According to a specific application scenario of the application, a user can perform inter-process communication with a second process corresponding to a shared memory through a first process corresponding to a browser or a WeChat applet, so that resource content information needing to be acquired is sent to the second process corresponding to the shared memory, and then the second process corresponding to the shared memory program sends acquired target resource content to an online banking system server (application system server) for service handling.
The embodiment of the application provides a data transmission system based on a shared memory, and the application sends a service processing request to an application system server through a first process corresponding to a local target application program; the application system server determines that the interprocess communication mode is a shared memory communication mode and resource request content based on the service processing request, and feeds back the determined interprocess communication mode and the resource request content to the local target application program; a first process corresponding to the local target application program transmits resource request content to a second process corresponding to the shared memory program in a shared memory communication mode; the second process corresponding to the shared memory program sends the acquired target resource content to the application system server; the application system server is used for determining a service processing result based on the acquired target resource content; and receiving the service processing result sent by the application system server by the first process corresponding to the local target application program. The interaction between a local target application program (namely a browser or a wechat applet) and a shared memory program is realized through a shared memory communication mode of interprocess communication, so that target resource content is obtained, the problem that the development amount is large due to the fact that different plug-ins need to be developed for different browsers to achieve the fact that the browser or the wechat applet locally obtains the resource content is solved, the problem that the program is complex due to the fact that the browser usually needs to be restarted to achieve the function of the plug-ins is solved, and the user experience can be improved.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (8)
1. A data transmission method based on a shared memory is characterized by comprising the following steps:
a first process corresponding to a local target application program sends a service processing request to an application system server;
the application system server determines that the interprocess communication mode is a shared memory communication mode and resource request content based on the service processing request, and feeds back the determined interprocess communication mode and the resource request content to the local target application program;
a first process corresponding to the local target application program transmits resource request content to a second process corresponding to the shared memory program in a shared memory communication mode;
the second process corresponding to the shared memory program sends the acquired target resource content to the application system server;
the application system server is used for determining a service processing result based on the acquired target resource content;
and receiving the service processing result sent by the application system server by the first process corresponding to the local target application program.
2. The method of claim 1, wherein the local target application is a browser or a wechat applet.
3. The method of claim 1 or 2, wherein the application system server is an online banking system server.
4. The method of claim 3, wherein the business process request can be one or more of a certificate login, a form signature, and a certificate binding.
5. A data transmission system based on shared memory is characterized by comprising a first process corresponding to a local target application program, an application system server and a second process corresponding to a shared memory program; the method comprises the following steps:
the first process corresponding to the local target application program is used for sending a service processing request to the application system server;
the application system server is used for determining an interprocess communication mode as a shared memory communication mode and resource request content based on the service processing request and feeding back the determined interprocess communication mode and the resource request content to the local target application program;
the first process corresponding to the local target application program is used for transmitting the resource request content to the second process corresponding to the shared memory program in a shared memory communication mode;
the second process corresponding to the shared memory program is used for sending the acquired target resource content to the application system server;
the application system server is used for determining a service processing result based on the acquired target resource content;
and the first process corresponding to the local target application program is used for receiving the service processing result sent by the application system server.
6. The system of claim 5, wherein the local target application is a browser or a wechat applet.
7. The system of claim 5 or 6, wherein the application system server is an online banking system server.
8. The system of claim 7, wherein the business process request can be one or more of a certificate login, a form signature, and a certificate binding.
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| CN202010416080.4A CN111638976A (en) | 2020-05-16 | 2020-05-16 | Data transmission method and system based on shared memory |
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| CN114153634A (en) * | 2021-12-03 | 2022-03-08 | 上海交通大学 | Inter-process communication system and operating platform based on domestic Loongson processor |
| CN115167833A (en) * | 2022-09-02 | 2022-10-11 | 浙江大华技术股份有限公司 | Programming method, executable program execution method and device |
| CN114153634B (en) * | 2021-12-03 | 2024-05-28 | 上海交通大学 | Inter-process communication system and operation platform based on domestic Loongson processor |
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