CN104852971B - Plug-in protocol device and data communication method based on plug-in protocol - Google Patents
Plug-in protocol device and data communication method based on plug-in protocol Download PDFInfo
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- CN104852971B CN104852971B CN201510203046.8A CN201510203046A CN104852971B CN 104852971 B CN104852971 B CN 104852971B CN 201510203046 A CN201510203046 A CN 201510203046A CN 104852971 B CN104852971 B CN 104852971B
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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
- H04L69/08—Protocols for interworking; Protocol conversion
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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
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
- G06F9/44526—Plug-ins; Add-ons
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Abstract
The invention provides a plug-in protocol device and a data communication method based on a plug-in protocol, which are used for solving the problems that the protocol support of the application is not flexible enough in the current embedded application development and different services can not be realized based on different network links. The data communication method based on the plug-in protocol comprises the following steps: reading link information of a communication party; creating a communication object for communicating with a communication party; loading context information of the communication object according to the link information to obtain the loaded communication object; converting the loaded service data in the communication object according to a service protocol; the communication object after the service protocol conversion is converted and packaged according to the transmission protocol and then is sent to the communication party, and the scheme realizes the function of realizing different services based on different network links.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a plug-in protocol device and a data communication method based on the plug-in protocol.
Background
At present, in the application development work based on an intelligent terminal, an important task is to interact with different servers, analyze a private protocol and execute business logic. In the development process, basic functions are frequently repeatedly developed, including basic networks (tcp/ip), data encryption and private service protocols, and the development of the functions occupies most of the development time. Because the core services often have consistency, repeated realization of the services is inconvenient to maintain and expand, and development and maintenance cost is increased. At present, along with the continuous improvement of the hardware level of an intelligent terminal, the processing capacity and the storage capacity of intelligent terminal equipment are continuously improved, the network environment is continuously improved, and some more complex functions can be realized. The smart device with relatively low hardware configuration is slow and easy to fail in processing complex computation, and in the face of the complex computation, the storage capacity and the computing capacity are insufficient, and at the moment, a cloud-based server is required to participate in storage and computation.
The intelligent devices of the Android, IOS and windows systems have different attributes, but the commonality is also obvious, mature development languages are supported, the networking mode and the network speed are better, and the support to the network basic protocol is good. The operating systems can be developed based on different computer languages, and the possibility is provided for application protocol stack plug-in based on the intelligent terminal. The existing embedded application development is not based on plug-in, so that all updates are needed during upgrading; a user cannot selectively customize an application, needs to download a large amount of complete applications, is not flexible enough to support an application protocol, and cannot realize different network links and different services; the existing cloud technology focuses on storage, less collaborative computing is involved, and when hardware of the intelligent embedded device cannot meet computing storage requirements, a mode is needed to achieve the distributivity of mobile phone-side computing.
Disclosure of Invention
The invention provides a plug-in protocol device and a data communication method based on a plug-in protocol, which are used for solving the problems that the protocol support of the application is not flexible enough in the current embedded application development and different services can not be realized based on different network links.
According to an aspect of the present invention, there is provided a plug-in protocol device, including: the system comprises a plug-in configuration manager, a service protocol plug-in manager and a basic protocol plug-in manager; the plug-in configuration manager is used for scheduling the service protocol plug-in manager and the basic protocol plug-in manager according to the link information of the communication party; the service protocol plug-in manager is used for converting the service protocol of the service data in the communication object received or sent by the terminal; and the basic protocol plug-in manager is used for carrying out transmission protocol encapsulation on the communication object received or sent by the terminal.
Wherein, the plug-in configuration manager comprises: a plug-in manager and a configuration manager; the configuration manager stores protocol configuration files; the plug-in manager is used for calling a protocol configuration file in the configuration manager, loading basic protocol plug-in configuration information in the basic protocol plug-in manager and loading service protocol plug-in configuration information in the service protocol plug-in manager according to the protocol configuration file, and configuring the basic protocol plug-in and the service protocol plug-in according to the basic protocol plug-in configuration information and the service protocol plug-in configuration information.
Wherein, the device still includes: the updating module is used for reading the timestamp of the protocol configuration file from the configuration manager, accessing the upgrading server of the protocol configuration file with the timestamp, and downloading the updated protocol configuration file from the upgrading server if the read timestamp is inconsistent with the timestamp of the protocol configuration file in the upgrading server; and the downloading module is used for comparing the time stamp of the downloaded updated protocol configuration file with the time stamp of the local protocol configuration file of the terminal, if the time stamp of the downloaded updated protocol configuration file is inconsistent with the time stamp of the local protocol configuration file of the terminal, generating updated plug-in information and version information in the terminal according to the updated protocol configuration file, and downloading the updated plug-in from the upgrading server.
The communication object comprises a calculation parameter sent by the terminal to the calculation request proxy server, and the plug-in configuration manager is specifically configured to: and after converting and packaging the communication object after the service protocol conversion according to the transmission protocol and sending the communication object to a communication party, receiving a calculation result returned by the calculation request proxy server and sending the calculation result to the service protocol plug-in manager.
Further, the apparatus further comprises: the TCP layer is used for TCP encapsulation of data to be sent and received by the terminal; and the secure socket layer SSL is used for encrypting the data transmitted in the TCP layer.
According to another aspect of the present invention, there is provided a data communication method based on a plug-in protocol, including: reading link information of a communication party; creating a communication object for communicating with a communication party; loading context information of the communication object according to the link information to obtain the loaded communication object; converting the loaded service data in the communication object according to a service protocol; and the communication object after the service protocol conversion is packaged according to the transmission protocol and then is sent to the communication party.
Further, the method further comprises: calling a protocol configuration file, and loading basic protocol plug-in configuration information and service protocol plug-in configuration information according to the protocol configuration file; and configuring the basic protocol plug-in and the service protocol plug-in according to the basic protocol plug-in configuration information and the service protocol plug-in configuration information.
Wherein, the method further comprises: reading a timestamp of the protocol configuration file from the configuration manager, accessing an upgrade server of the protocol configuration file with the timestamp, and downloading an updated protocol configuration file from the upgrade server if the read timestamp is inconsistent with the timestamp of the protocol configuration file in the upgrade server; and comparing the time stamp of the downloaded updated protocol configuration file with the time stamp of the local protocol configuration file of the terminal, if the time stamps are not consistent, generating updated plug-in information and version information in the terminal according to the updated protocol configuration file, and downloading the updated plug-in from the upgrading server.
The communication object comprises a calculation parameter sent by the terminal to the calculation request proxy server, and the method further comprises the following steps: after converting and packaging the communication object after the service protocol conversion according to a transmission protocol and sending the communication object to a communication party, receiving a calculation result returned by a calculation request proxy server; converting the calculation result according to a transmission protocol; and converting the converted calculation result according to a service protocol and then providing the converted calculation result for the terminal.
Wherein the context information includes: the method comprises the steps that indication information indicating whether a communication object supports SSL of a secure socket layer, a service protocol used by the communication object and a transmission protocol used by the communication object are indicated, and when the context information indicates that the communication object supports SSL, the method further comprises the step of encrypting the communication object according to SSL before the communication object after service protocol conversion is converted according to the transmission protocol and packaged and then sent to a communication party.
According to the scheme provided by the embodiment of the invention, the communication transmission protocol and the service protocol are respectively managed based on the plug-in protocol stack, the unified scheduling is carried out based on the terminal requirement, and the service protocol conversion and the transmission protocol encapsulation are respectively carried out on the data received and sent by the terminal, so that the function of realizing different services based on different network links is realized.
Drawings
Fig. 1 is a block diagram of a plug-in protocol device according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a plug-in protocol device implementing complex computation by means of a service cluster in embodiment 1 of the present invention;
fig. 3 is a flowchart of loading a plug-in by a plug-in manager of an application protocol stack provided in embodiment 3 of the present invention;
FIG. 4 is a flow chart of the call usage of the protocol stack of embodiment 2 of the present invention;
FIG. 5 is a flowchart of protocol stack plug-in update of embodiment 2 of the present invention;
FIG. 6 is a flow chart of protocol stack plug-in update of embodiment 2 of the present invention;
fig. 7 is a flowchart of a data communication method based on a plug-in protocol according to embodiment 3 of the present invention.
Detailed Description
In order to solve the problem that the protocol support of the embedded application development in the prior art is not flexible enough to implement different services based on different network links, the present invention provides a plug-in protocol device and a data communication method based on the plug-in protocol, and the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Example 1
The embodiment of the present invention provides a plug-in protocol device, specifically, the device is a plug-in application protocol stack applied to an intelligent terminal, as shown in fig. 1, the device may specifically include the following components, it should be noted that the figure is only a schematic diagram, and the specific number of each component shown in fig. 1 is not specifically limited in this embodiment:
the system comprises a plug-in configuration manager, a service protocol plug-in manager and a basic protocol plug-in manager;
the plug-in configuration manager is configured to schedule the service protocol plug-in manager and the base protocol plug-in manager according to link information of a communication party, so as to perform protocol conversion on a communication object to be received or sent through the service protocol plug-in manager and the base protocol plug-in manager, as shown in fig. 1, the layer is located on the uppermost layer, the plug-in configuration manager performs protocol plug-in configuration of an individual intelligent terminal through configuration files, cloud storage, and the like, and specifically, the plug-in may be divided into two sublayers, namely, the service protocol plug-in manager and the base protocol plug-in manager.
The service protocol plug-in manager is used for converting a service protocol of service data in a communication object received or sent by the terminal and managing a service plug-in of a user, wherein the service plug-in is responsible for data conversion and processing of each service module;
the device comprises a basic protocol plug-in manager and a basic protocol plug-in manager, wherein the basic protocol plug-in manager is used for carrying out transmission protocol encapsulation and conversion on a communication object received or sent by a terminal, and the basic protocol plug-in manager is used for managing basic protocol plug-ins, wherein basic protocols such as an mqtt protocol, an e + + protocol based on the internet of things household appliances, an http protocol and the like.
As shown in fig. 1, the apparatus further includes a TCP (Transmission Control Protocol) Layer and an SSL (Secure Sockets Layer), where the TCP Layer is used to perform TCP encapsulation on data to be sent and received by the terminal; and the secure socket layer SSL layer is used for encrypting the data transmitted in the TCP layer.
Based on this: the plug-in configuration manager includes: a plug-in manager and a configuration manager; the configuration manager stores protocol configuration files; the plug-in manager is used for calling a protocol configuration file in the configuration manager, loading basic protocol plug-in configuration information in the basic protocol plug-in manager and loading service protocol plug-in configuration information in the service protocol plug-in manager according to the protocol configuration file, and configuring the basic protocol plug-in and the service protocol plug-in according to the basic protocol plug-in configuration information and the service protocol plug-in configuration information.
The device also has a plug-in updating function, and based on the function, the device also comprises: the updating module is used for reading the timestamp of the protocol configuration file from the configuration manager, accessing the upgrading server of the protocol configuration file with the timestamp, and downloading the updated protocol configuration file from the upgrading server if the read timestamp is inconsistent with the timestamp of the protocol configuration file in the upgrading server; and comparing the time stamp of the downloaded updated protocol configuration file with the time stamp of the local protocol configuration file of the terminal, if the time stamps are not consistent, generating updated plug-in information and version information in the terminal according to the updated protocol configuration file, and downloading the updated plug-in from the upgrading server.
Based on the device, it can be realized that under the condition that the performance of the terminal hardware cannot perform complex computation, a relatively simplified protocol and a cluster are used for performing computation request interaction, and then a computation result is pushed to the intelligent terminal through the cluster, fig. 2 is a schematic diagram for realizing complex computation by means of a service cluster based on the device, as shown in fig. 2, the computation process involves several main bodies participating in computation: the system comprises an intelligent terminal, a computing cluster and a context storage cluster, wherein the communication object comprises a computing parameter sent by the terminal to a computing request proxy server, and based on the computing parameter, the plug-in configuration manager is specifically used for: and after converting and packaging the communication object after the service protocol conversion according to the transmission protocol and sending the communication object to a communication party, receiving a calculation result returned by the calculation request proxy server and sending the calculation result to the service protocol plug-in manager.
Example 2
The loading, using, calling, updating, and performing complex computation of the protocol stack in this embodiment further describe the plug-in protocol stack provided in embodiment 1 of the present invention.
Fig. 3 is a flowchart of loading a plug-in by a plug-in manager of an application protocol stack provided in embodiment 3 of the present invention. As shown in fig. 3, the process includes the following steps:
firstly, a plug-in manager calls a configuration manager to acquire basic protocol configuration information, such as information of whether encryption and service protocol plug-in information are supported;
secondly, calling a basic protocol plug-in manager by the plug-in manager, and loading basic protocol plug-in configuration information read from the configuration information;
and thirdly, calling a service plug-in protocol manager by the plug-in manager and loading the service plug-in protocol manager. And fourthly, completing the loading of the protocol stack plug-in.
Fig. 4 is a flowchart of call use of a protocol stack according to embodiment 2 of the present invention, and as shown in fig. 4, the flowchart includes the following steps:
first, link template information, that is, link information described in embodiment 1, is read from a communication party of the configuration manager, where the link template information describes configuration information of some fixed links, for example, information such as an address, a port, a configured service protocol, and a base protocol of an upgrade server, and after a module is started, a communication link is created in a template form using the information, and a communication context object is configured.
Secondly, creating a communication object according to the read link template information;
loading context information of the communication object according to the template information, wherein the context information comprises whether SSL is supported, which service protocol is used and which basic protocol information is based on;
and fourthly, carrying out communication and processing of the application protocol by using the established communication object.
Fig. 5 is a flowchart of updating a protocol stack plug-in embodiment 2 of the present invention, and as shown in fig. 5, the flowchart includes the following steps:
reading a time stamp of a configuration file from a configuration manager, carrying the time stamp to access an upgrade server, and downloading the configuration file if the time stamps are not consistent;
secondly, comparing the downloaded configuration file with the local configuration file to generate the information and version of the plug-in to be updated;
thirdly, downloading the plug-in to the temporary directory;
and fourthly, processing the temporary directory plug-in, unloading the old version plug-in, and updating the new version plug-in, thereby finishing the process.
Fig. 6 is a flowchart of protocol stack plug-in update according to embodiment 2 of the present invention, and as shown in fig. 6, the flowchart includes the following steps:
firstly, an intelligent terminal application applies for calculation to a calculation proxy server and carries input conditions participating in the calculation;
secondly, performing hash calculation on the intelligent terminal to obtain a GUID (global uniform identifier) of the intelligent terminal;
thirdly, after receiving the application of the proxy server, the computing server queries context information which is participated in computing before the GUID and normalized storage information according to the GUID, and computes by utilizing the queried information;
fourthly, transmitting the calculation result to a proxy calculation server;
and fifthly, the proxy computing server generates a computing result format and pushes the computing result format to the intelligent terminal.
Example 3
This embodiment provides a data communication method based on a plug-in protocol, and fig. 7 is a flowchart of a data communication method based on a plug-in protocol according to embodiment 3 of the present invention, as shown in fig. 7, including:
step 701: reading link information of a communication party;
step 702: creating a communication object for communicating with a communication party;
step 703: loading context information of the communication object according to the link information to obtain the loaded communication object;
step 704: converting the loaded service data in the communication object according to a service protocol;
step 705: and the communication object after the service protocol conversion is converted and packaged according to the transmission protocol and then is sent to the communication party.
Wherein, the method further comprises: calling a protocol configuration file, and loading basic protocol plug-in configuration information and service protocol plug-in configuration information according to the protocol configuration file; and configuring the basic protocol plug-in and the service protocol plug-in according to the basic protocol plug-in configuration information and the service protocol plug-in configuration information.
Further, the method further comprises: reading a timestamp of the protocol configuration file from the configuration manager, accessing an upgrade server of the protocol configuration file with the timestamp, and downloading an updated protocol configuration file from the upgrade server if the read timestamp is inconsistent with the timestamp of the protocol configuration file in the upgrade server; and comparing the time stamp of the downloaded updated protocol configuration file with the time stamp of the local protocol configuration file of the terminal, if the time stamps are not consistent, generating updated plug-in information and version information in the terminal according to the updated protocol configuration file, and downloading the updated plug-in from the upgrading server.
The communication object comprises a calculation parameter sent by the terminal to the calculation request proxy server, and the method further comprises the following steps: after converting and packaging the communication object after the service protocol conversion according to a transmission protocol and sending the communication object to a communication party, receiving a calculation result returned by a calculation request proxy server; converting the calculation result according to a transmission protocol; and converting the converted calculation result according to a service protocol and then providing the converted calculation result for the terminal.
When the context information indicates that the communication object supports the SSL, the method further comprises the step of encrypting the communication object according to the SSL before the communication object after the conversion of the service protocol is converted according to the transmission protocol and packaged and then is sent to the communication party.
The scheme provided by the invention is based on the freely combined plug-in application protocol stack framework, the customization requirement of the user application is realized, and when the application needs to be upgraded, only partial upgrading of the application can be carried out without whole upgrading; and the distribution words of the intelligent terminal calculation are realized after the restructuring is carried out based on the popular distributed architecture, so that the performance requirement on the mobile phone is reduced.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, and the scope of the invention should not be limited to the embodiments described above.
Claims (10)
1. A plug-in protocol device, comprising:
the system comprises a plug-in configuration manager, a service protocol plug-in manager and a basic protocol plug-in manager;
the plug-in configuration manager is used for scheduling the service protocol plug-in manager and the basic protocol plug-in manager according to the link information of the communication party;
the service protocol plug-in manager is used for converting the service protocol of the service data in the communication object received or sent by the terminal;
and the basic protocol plug-in manager is used for carrying out transmission protocol encapsulation on the communication object received or sent by the terminal.
2. The apparatus of claim 1, wherein the plug-in configuration manager comprises: a plug-in manager and a configuration manager;
the configuration manager stores protocol configuration files;
the plug-in manager is used for calling a protocol configuration file in the configuration manager, loading basic protocol plug-in configuration information in the basic protocol plug-in manager according to the protocol configuration file, loading service protocol plug-in configuration information in the service protocol plug-in manager, and configuring a basic protocol plug-in and a service protocol plug-in according to the basic protocol plug-in configuration information and the service protocol plug-in configuration information.
3. The apparatus of claim 2, further comprising:
the updating module is used for reading a timestamp of the protocol configuration file from the configuration manager, accessing the upgrading server of the protocol configuration file with the timestamp, and downloading the updated protocol configuration file from the upgrading server if the read timestamp is inconsistent with the timestamp of the protocol configuration file in the upgrading server;
and the downloading module is used for comparing the time stamp of the downloaded updated protocol configuration file with the time stamp of the local protocol configuration file of the terminal, if the time stamp of the downloaded updated protocol configuration file is inconsistent with the time stamp of the local protocol configuration file of the terminal, generating updated plug-in information and version information in the terminal according to the updated protocol configuration file, and downloading the updated plug-in from the upgrading server.
4. The apparatus according to claim 1, wherein the communication object includes a computation parameter sent by the terminal to the computation request proxy server, and the plug-in configuration manager is specifically configured to:
and after converting and packaging the communication object after the service protocol conversion according to a transmission protocol and sending the communication object to a communication party, receiving a calculation result returned by the calculation request proxy server and sending the calculation result to the service protocol plug-in manager.
5. The apparatus of any one of claims 1 to 4, further comprising:
the TCP layer is used for TCP encapsulation of data to be sent and received by the terminal;
and the secure socket layer SSL is used for encrypting the data transmitted in the TCP layer.
6. A data communication method based on a plug-in protocol is characterized by comprising the following steps:
reading link information of a communication party;
creating a communication object for communicating with the communication party;
loading the context information of the communication object according to the link information to obtain a loaded communication object;
converting the loaded service data in the communication object according to a service protocol;
and the communication object after the service protocol conversion is packaged according to the transmission protocol and then is sent to the communication party.
7. The method of claim 6, further comprising:
calling a protocol configuration file, and loading basic protocol plug-in configuration information and service protocol plug-in configuration information according to the protocol configuration file;
and configuring the basic protocol plug-in and the service protocol plug-in according to the basic protocol plug-in configuration information and the service protocol plug-in configuration information.
8. The method of claim 7, further comprising:
reading a timestamp of a protocol configuration file from a configuration manager, accessing an upgrade server of the protocol configuration file with the timestamp, and downloading an updated protocol configuration file from the upgrade server if the read timestamp is inconsistent with the timestamp of the protocol configuration file in the upgrade server; and comparing the time stamp of the downloaded updated protocol configuration file with the time stamp of the local protocol configuration file of the terminal, if the time stamps are not consistent, generating updated plug-in information and version information in the terminal according to the updated protocol configuration file, and downloading the updated plug-in from the upgrading server.
9. The method of claim 6, wherein the communication object comprises a computation parameter sent by the terminal to a computation request proxy server, the method further comprising:
after converting and packaging the communication object after the service protocol conversion according to a transmission protocol and sending the communication object to a communication party, receiving a calculation result returned by the calculation request proxy server;
converting the calculation result according to a transmission protocol;
and converting the converted calculation result according to a service protocol and then providing the converted calculation result to the terminal.
10. The method according to any one of claims 6 to 9, wherein the context information comprises:
the method comprises the steps that indication information indicating whether a communication object supports SSL (secure socket layer), a service protocol used by the communication object and a transmission protocol used by the communication object are indicated, and when the context information indicates that the communication object supports SSL, the method further comprises the step of encrypting the communication object according to the SSL before the communication object after service protocol conversion is converted according to the transmission protocol and packaged and then sent to a communication party.
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| CN106657371B (en) * | 2017-01-03 | 2020-01-21 | 北京奇虎科技有限公司 | Scheduling method and device for transmission node |
| CN107277018A (en) * | 2017-06-22 | 2017-10-20 | 重庆大学 | The method that a kind of utilization request/data aggregate improves WebServer https application performances |
| CN112866182B (en) * | 2019-11-28 | 2023-05-23 | 浙江宇视科技有限公司 | Data docking method, device and computer readable storage medium |
| CN113608773B (en) * | 2021-08-17 | 2024-06-18 | 联想(北京)有限公司 | Method and device for upgrading update component and electronic equipment |
| CN113473098B (en) * | 2021-08-20 | 2023-03-24 | Vidaa(荷兰)国际控股有限公司 | Display apparatus and display method |
| CN113726579A (en) * | 2021-09-02 | 2021-11-30 | 国网信息通信产业集团有限公司 | Method and device for realizing power Internet of things communication protocol plug-in |
| CN114531437B (en) * | 2022-02-14 | 2023-02-17 | 镁佳(北京)科技有限公司 | MQTT-based non-homologous uplink data processing method and device |
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