CN112541788A - Advertisement request method based on COAP protocol - Google Patents
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Abstract
The invention discloses an advertisement request method based on a COAP protocol, which comprises the following steps: the server classifies the advertisement resources in the advertisement set to generate various preference selection types; setting a preference selection type interface, a preference selection collection interface and an advertisement installation interface of each preference selection type; when the terminal is started, the terminal sends a model calling request of preference selection type to the server side according to the preference selection type and the calling model selected by the user; the server side responds to the model calling request and returns a response message to the terminal; and the terminal executes response operation according to the response content. The invention can solve the technical problems of repeated sending and excessive resource consumption caused by no response when receiving data which possibly occur in the MQTT protocol under the same weak signal and low bandwidth environment, the COAP protocol adopts a request response model, can ensure the full utilization of resources, can pertinently recommend interesting advertisements, has wider adaptation condition and more timely response.
Description
Technical Field
The invention relates to the technical field of internet communication, in particular to an advertisement request method based on a COAP protocol.
Background
Digital Signage (Digital signal) is a brand-new media concept, and refers to a multimedia professional audiovisual system that distributes business, financial and entertainment information through a large-screen terminal display device in large-scale shopping malls, supermarkets, hotel lobbies, restaurants, cinemas and other public places where people flow is converged.
The current internet communication technology needs to install a terminal for networking, then downloads the application to be installed and then installs the terminal. Therefore, the operation cost and difficulty of the terminal are increased invisibly, if a plurality of terminals are provided, networking and downloading are required for multiple times, resource waste is caused, unloading needs to enter an operation platform of the terminal, and manual unloading is carried out after unloaded software is found, so that the workload is huge.
The COAP protocol is a special Internet application program protocol of the constrained device and is applied to the Internet of things device. Because most of the internet of things equipment is resource-limited and has limited CPU, RAM, Flash, network broadband and the like, the COAP protocol can enable the equipment to be smoothly accessed into the network. Has the following characteristics:
1. based on the message model;
2. a request/response model;
3. bidirectional communication;
4. light weight and low power consumption;
5. reliable transmission is supported;
6. supporting IP multicast;
7. non-long connection communication, supporting restricted devices;
8. supporting an observation mode;
9. supporting asynchronous communication;
basic principle of heat algorithm: the heat score is the initial heat score + the heat score generated by the user interaction-the heat score decaying with time.
The prior method comprises an advertisement request advertisement method based on MQTT protocol and an advertisement request advertisement method based on HTTP protocol. The MQTT protocol utilized by the first method is realized, but because the protocol is TCP, the COAP is based on UDP, and the power consumption is higher than that of the COAP; the MQTT protocol is a publish/subscribe mode, the mode is single, and only when one type of advertisement is subscribed, the advertisement set of the type can be received, so that the flexibility is lacked; the COAP protocol is a request/response mode, can be transformed into a publish/subscribe mode, can more flexibly collect advertisement display effects by utilizing unique bidirectional communication, and can receive various advertisement sets in a screening way. In the second method, the power consumption is too high by using the HTTP protocol, so that the second method cannot be suitable for the current Internet of things equipment condition.
Disclosure of Invention
Objects of the invention
The invention aims to provide an advertisement request method based on a COAP protocol, overcomes the defects in the prior art and provides the advertisement request method based on the COAP protocol.
(II) technical scheme
To solve the above problems, the present invention provides a method comprising:
the server classifies the advertisement resources in the advertisement set to generate various preference selection types;
setting a preference selection type interface, a preference selection collection interface and an advertisement installation interface of each preference selection type;
when the terminal is started, the terminal sends a model calling request of the preference selection type to the server according to the preference selection type and the calling model selected by the user; the model invocation request includes: interface request code, request message type and request content;
the server side responds to the model calling request and returns a response message to the terminal; the response message includes: interface response code, response message type and response content;
and the terminal executes response operation according to the response content.
In an embodiment of the present invention, the calling model includes: an active request calling model and a subscription request calling model.
In an embodiment of the present invention, before sending the model invocation request of the preference selection type to the server, the method further includes: setting an interface, wherein the interface setting method comprises the following steps:
the terminal sends a setting request of an interface to a server, wherein the setting request comprises: request message type, interface request code and request content;
the server side responds to the setting request and sends the response message to the terminal: the response message includes: response message type, interface response code and response content.
In an embodiment of the present invention, the preference selection type interface and the advertisement installation interface correspond to the active request invocation model;
the request content of the preference selection type interface is as follows: the preference selection type and the response content are as follows: the installation address of the advertisement installation interface with the preference selection type, the request message type and the response message type are CON message types;
the request content of the advertisement installation interface is as follows: the preference selection type is the installation address on the server, and the response content is as follows: analyzing the installation address of the preference selection type on the server and executing an installation program and/or displaying the preference selection type, wherein the request message type and the response message type are CON message types.
In an embodiment of the present invention, the corresponding interface in the subscription request calling model is a preference selection collection interface, and the request content of the preference selection collection interface is: selecting and collecting content according to the preference, wherein the response content is as follows: and executing the preference selection to collect content according to the mapping relation between the preference selection type and the subscription request calling model, wherein the request message type and the response message type are NON message types.
In an embodiment of the present invention, the interface in the subscription request invocation model further includes: an advertisement offload interface; the request content of the advertisement unloading interface is as follows: unloading the instruction, wherein the response content is as follows: and executing an unloading instruction, wherein the request message type and the response message type are NON message types.
In one embodiment of the present invention, the method further includes: and a subscription change step, wherein the subscription change method comprises the following steps:
the server side issues a new preference selection type interface of the changed preference selection type and/or an advertisement unloading interface of the preference selection type before the change to the terminal;
the terminal accesses the installation address of the preference selection type after the new preference selection type interface requests for changing and/or accesses the advertisement unloading interface to unload the preference selection type before changing;
and the terminal accesses the installation address of the changed preference selection type, installs the preference selection type and displays the preference selection type.
Drawings
Fig. 1 is a flowchart of an advertisement request method based on a COAP protocol according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a method for setting various interfaces according to a second embodiment of the present invention;
fig. 3 is a flowchart of a method for changing a subscription request according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In order to better describe the method for installing and uninstalling the advertisement terminal based on the COAP protocol provided by the embodiment of the present invention, the present invention is exemplarily described below by taking a possible application scenario as an example.
The embodiment of the invention is mainly suitable for scenes of installation, uninstallation, subscription, change and the like of advertisements on the terminal.
Example one
Fig. 1 is a flowchart of an advertisement request method based on a COAP protocol according to an embodiment of the present invention. The request includes the processes of installation, uninstallation, subscription, and change of the advertising resource.
As shown in FIG. 1, in step S110, the service end classifies advertisement resources in the advertisement set, and generates each preference selection type. The preference selection type may be understood as a certain type of advertising asset, for example, a gourmet type of advertising asset. Taking a digital sign of a market as an example, the advertisement sets are classified on the digital sign according to the merchant categories of all floors of the market, so that food-class advertisement resources, fitness-class advertisement resources, parent-child-class advertisements and the like can be generated.
In step S120, a preference selection type interface, a preference selection collection interface, and an advertisement installation interface for each preference selection type are set.
According to the example of the market digital signage described above, the classified food advertising resources and fitness advertising resources are set with three interfaces respectively, where the three interfaces include a preference selection type interface, a preference selection collection interface, and an advertising installation interface. In other embodiments, in addition to the three interfaces described above, a fourth interface, an advertisement offload interface, may be set. The advertisement unloading interface can determine whether to set according to the configuration of the digital sign, and when the configuration of the digital sign (namely the terminal) is low, the unloading interface is not set; when the digital signage (i.e., terminal) is configured high, the offload interface is set.
Step S130, when the terminal is started, the user selects a preference selection type and a certain calling model at the terminal, and the terminal presets three calling models which are respectively: an active request calling model and a subscription request calling model. The terminal selects a type and a calling model according to a certain type of preference selected by a user at the terminal, and sends a calling request of the calling model to a server end in communication connection with the terminal. The model invocation request includes: interface request code, request message type, request content.
Step S140, the server side responds to the model calling request and returns a response message to the terminal; the response message includes: interface response code, response message type, and response content.
The server side returns a response message of the preference selection type and the calling model to the terminal according to the preference selection type and the calling model determined by the terminal. When the server receives the food advertising resources sent by the terminal and the request of actively requesting to call the model, the server sends a response message of the calling model to the terminal.
And step S150, the terminal executes response operation according to the response content. See the following detailed description for specific steps.
Example two
As shown in fig. 2, in the second embodiment of the present invention, before the terminal sends the model invocation request of the preference selection type to the server, the method further includes: the interface setting method comprises the following steps:
step S210, the terminal sends a setting request of an interface to the server, wherein the setting request comprises: request message type, interface request code, and request content.
Step S220, the server side responds to the setting request, and sends the response message to the terminal: the response message includes: response message type, interface response code and response content.
In the embodiment of the invention, the generation of the interface is required to comply with the COAP protocol specification, and the message type, the request code, the response code, the request content and the response content of the request and the response are required to be specified. The interface request code and the interface response code can be customized by a background administrator.
In the embodiment of the invention, the preference selection type interface and the advertisement installation interface are corresponding active request calling models, and the request content of the preference selection type interface is as follows: selecting a type according to the preference, wherein the response content is as follows: the installation address of the advertisement installation interface with the preference selection type; the request content of the advertisement installation interface is as follows: the preference selection type is the installation address on the server, and the response content is as follows: and resolving the installation address of the preference selection type on the server, executing an installation program and/or displaying the preference selection type. In the embodiment of the present invention, the request message type and the response message type of the preference selection type interface and the advertisement installation interface are both CON message types.
For example, the request code of the preference selection type interface is 001, the message type is CON, and the request content is a food advertisement; the response code is 200, the response type is CON, and the response content is the installation address.
The request code of the advertisement installation interface is 002, the message type is CON, and the request content is a food advertisement; the response code is 300, the response type is CON, and the response content is to analyze the address of the advertisement installation interface of the gourmet advertisement resource on the server, execute an installation program and/or display the gourmet advertisement. The digital sign of market 1 floor adopts the initiative request to transfer the model in order to propaganda market's history, and fixed broadcast propaganda advertisement. And then the digital sign placed on the floor 1 actively calls the propaganda advertisement interface, acquires the download address of the propaganda advertisement, and executes the advertisement installation and display. Specifically, when the server receives the promotion advertisement resources (i.e. the preference selection type) sent by the terminal and the call request of the active request call model, the method indicates that the mode of calling the model by the active request is adopted for the propaganda type advertisement resource, at the moment, the server sends the installation address of the advertisement installation interface of the propaganda type advertisement resource to the terminal, the terminal analyzes the installation address of the propaganda type advertisement resource on the server and executes an installation program and/or displays the propaganda type advertisement resource, namely, the server can issue the installation address of the propaganda type advertisement resource, the terminal analyzes the installation address and executes the installation program, the server can directly issue the propaganda type advertisement resource, the terminal directly displays the advertisement, the server can issue the installation address of the advertisement resource, and the terminal analyzes the installation address and displays the advertisement after installation.
In the embodiment of the present invention, the corresponding interface in the subscription request calling model is a preference selection collection interface, and the request content of the preference selection collection interface is: the preference selection and the collection of the content can be performed as long as the content is interested by the market management unit, in the embodiment of the invention, the content interested by the market management unit is the number data of people watching the advertisement resource, and the response content is as follows: and storing the mapping relation between the preference selection type and the subscription request calling model, executing the preference selection and collecting the content, wherein the request message type and the response message type are NON message types. The preference selection collection content may be understood as collecting data of the number of people viewing the preference selection type (advertising asset).
For example, it is preferable that the request code of the collection interface is 003, the type of the request message is NON, and the request content is 10: dinner advertisements of 00-11: 00; the response code is 400, the type of the response message is NON, and the response content is that the number data of people watching the dinner advertisement is collected every 5 minutes. Mall level 2 calls the model with subscription requests because various promotional campaigns require changes in advertising content from time to time. For example, the digital signage subscribes for food type advertisements, breakfast oatmeal type advertisements are played in the morning, when a mall wants to recommend dinner hotpot type advertisements to guests in the afternoon, the server changes advertisement resources and notifies the digital signage, so that the digital signage unloads the original breakfast oatmeal advertisements firstly and installs the dinner advertisements newly; meanwhile, the department store wants to see the publicity effect of the digital signage on the second floor, so that the number of people (needing the digital signage to have the function of scanning the number of people) standing in front of the digital signage is set for the digital signage every 5 minutes, and after the number of people is collected, the preference selection collection interface is called to upload the number of people to the server. Specifically, when the server receives a call request of a breakfast advertisement resource and a subscription request call model sent by the terminal, it indicates that a subscription request call model mode is adopted for the breakfast advertisement resource (i.e. a preference selection type), at this time, the server stores a mapping relation between the breakfast advertisement resource and the subscription request call model, when the server receives a change instruction of changing the breakfast advertisement into the dinner advertisement, the server issues response information for updating an original subscription relation to the terminal, the terminal executes the response information to update the original mapping relation, and the mapping relation before updating is: the mapping relation between the breakfast advertisement resources and the subscription request calling model is as follows: and mapping relation between the dinner advertisement resources and the subscription request calling model.
EXAMPLE III
In the third embodiment of the present invention, the advertisement request method based on the COAP protocol further includes: and a subscription change step, wherein the subscription change method comprises the following steps:
step S310, when a mall management unit wants to change the preference selection type of the terminal, the server side issues a new preference selection type interface of the changed preference selection type and/or an advertisement unloading interface of the preference selection type before the change to the terminal;
step S320, the terminal accesses the installation address of the preference selection type after the new preference selection type interface requests to change and/or accesses the preference selection type before the advertisement unloading interface unloads the change;
step S330, the terminal accesses the installation address of the changed preference selection type, installs the preference selection type and displays the preference selection type.
Specifically, the original display on the digital signage is the food advertisement resources, and when the market management unit wants to display the parent-child advertisement resources on the digital signage, the advertisement display requirements of the digital signage terminal are changed. At this time, the server side actively issues a new preference selection type interface of the parent-class advertisement resources to the terminal (namely, the digital signage), and also can issue an advertisement unloading interface of the food-class advertisement resources at the same time, wherein the advertisement unloading interface is a selectable item, and whether the advertisement unloading interface needs to be issued is determined according to the configuration height of the digital signage. The terminal accesses the parent-child class to request the installation address of the parent-child class advertisement resource, and simultaneously accesses the advertisement unloading interface to unload the gourmet class advertisement resource if the advertisement unloading interface exists. If the advertisement uninstalling interface is not available, only the access step of the installation address of the parent-child advertisement resource is executed.
For example, the request message type of the new preference selection type interface is CON, the request code of the new preference selection type interface is 005, and the request content is the installation address of the parent-child advertisement resource; the interface response code is 600, the response message type is CON, and the response content is: accessing the installation address of the parent-child advertisement resource;
the request content of the advertisement unloading interface is as follows: unloading the instruction, the interface request code is 004, the request message type and the response message type are both CON message types, and the response content: unload instruction, interface response code: 500.
in the embodiment of the invention, each preference selection type (namely each advertisement resource) corresponds to one preference selection type interface, a preference selection collection interface, an advertisement installation interface and an advertisement uninstallation interface. All interfaces need to be generated according to the COAP protocol specification, a message type, a request code, a response code, request content and response content need to be specified, judgment and analysis are carried out on the message type, and a response needs to be set for the message type (such as the CON message type) needing to be confirmed. Message types that do not require acknowledgement (e.g., NON message types), then no acknowledgement need be set. The request code and the response code are mutually agreed data formats.
The invention can solve the technical problems that the MQTT protocol possibly has repeated sending and excessive resource consumption caused by no response when receiving data under the same weak signal and low bandwidth environment, the request response model adopted by the COAP protocol used by the invention can ensure the full utilization of resources, and the set 2 modes can actively or passively collect personal preference data, pertinently recommend interested advertisements, the adaptation condition is wider, and the reaction is more timely.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. An advertisement request method based on a COAP protocol is characterized by comprising the following steps:
the server classifies the advertisement resources in the advertisement set to generate various preference selection types;
setting a preference selection type interface, a preference selection collection interface and an advertisement installation interface of each preference selection type;
when the terminal is started, the terminal sends a model calling request of the preference selection type to the server according to the preference selection type and the calling model selected by the user; the model invocation request includes: interface request code, request message type and request content;
the server side responds to the model calling request and returns a response message to the terminal; the response message includes: interface response code, response message type and response content;
and the terminal executes response operation according to the response content.
2. The COAP protocol-based advertisement request method of claim 1, wherein the invocation model comprises: an active request calling model and a subscription request calling model.
3. The method of claim 1, wherein before sending the preference selection type model invocation request to the server, further comprising: setting an interface, wherein the interface setting method comprises the following steps:
the terminal sends a setting request of an interface to a server, wherein the setting request comprises: request message type, interface request code and request content;
the server side responds to the setting request and sends the response message to the terminal: the response message includes: response message type, interface response code and response content.
4. The COAP protocol-based advertisement request method of claim 2, wherein the preference selection type interface and the advertisement installation interface correspond to the unsolicited request invocation model;
the request content of the preference selection type interface is as follows: the preference selection type and the response content are as follows: the installation address of the advertisement installation interface with the preference selection type, the request message type and the response message type are CON message types;
the request content of the advertisement installation interface is as follows: the preference selection type is the installation address on the server, and the response content is as follows: analyzing the installation address of the preference selection type on the server and executing an installation program and/or displaying the preference selection type, wherein the request message type and the response message type are CON message types.
5. The method according to claim 2, wherein the corresponding interface in the subscription request calling model is a preference selection collection interface, and the request content of the preference selection collection interface is: selecting and collecting content according to the preference, wherein the response content is as follows: and executing the preference selection to collect content according to the mapping relation between the preference selection type and the subscription request calling model, wherein the request message type and the response message type are NON message types.
6. The COAP protocol-based advertisement request method of claim 5, wherein subscribing to the interface in the request-to-call model further comprises: an advertisement offload interface; the request content of the advertisement unloading interface is as follows: unloading the instruction, wherein the response content is as follows: and executing an unloading instruction, wherein the request message type and the response message type are NON message types.
7. The COAP protocol-based advertisement request method of claim 6, further comprising: and a subscription change step, wherein the subscription change method comprises the following steps:
the server side issues a new preference selection type interface of the changed preference selection type and/or an advertisement unloading interface of the preference selection type before the change to the terminal;
the terminal accesses the installation address of the preference selection type after the new preference selection type interface requests for changing and/or accesses the advertisement unloading interface to unload the preference selection type before changing;
and the terminal accesses the installation address of the changed preference selection type, installs the preference selection type and displays the preference selection type.
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