CN113691605A - Data transmission method and device, electronic equipment and storage medium - Google Patents
Data transmission method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The application discloses a data transmission method, a data transmission device, electronic equipment and a storage medium; the method comprises the following steps: the method comprises the steps that a first cloud agent device receives a long connection request of a target Internet of things device; responding to the long connection request and establishing long connection with the target Internet of things equipment; writing a binding relation between the target Internet of things equipment and the first cloud proxy equipment in the memory database; receiving a command to be executed about target Internet of things equipment; and forwarding the command to be executed to the target Internet of things equipment based on the long connection. According to the embodiment of the application, when the target Internet of things device is in long connection with the first cloud agent device, the binding relation between the target Internet of things device and the first cloud agent device is automatically established, the data transmission efficiency can be obviously improved, and the effective management of the Internet of things device is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of internet of things, in particular to a data transmission method and device, electronic equipment and a storage medium.
Background
The Internet of Things (Internet of Things, IOT for short) is used for collecting any object or process needing monitoring, connection and interaction in real time and collecting various required information such as sound, light, heat, electricity, mechanics, chemistry, biology and position through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors and laser scanners, and realizing the ubiquitous connection of objects and people through various possible network accesses and the intelligent sensing, identification and management of the objects and the processes. The internet of things is an information bearer based on the internet, a traditional telecommunication network and the like, and all common physical objects which can be independently addressed form an interconnected network.
In the prior art, it is common practice to: if the control end equipment wants to send a command to be executed to a certain Internet of things equipment, the control end equipment needs to inquire each Broker equipment whether the Internet of things equipment is connected with the Broker equipment for a long time, the mode is low in efficiency, and management of the control end equipment on the physical network equipment is not facilitated.
Disclosure of Invention
The application provides a data transmission method, a data transmission device, electronic equipment and a storage medium, which can obviously improve the data transmission efficiency and improve the effective management of the Internet of things equipment.
In a first aspect, an embodiment of the present application provides a data transmission method, which is applied to a first cloud proxy device, and the method includes:
receiving a long connection request of target Internet of things equipment; the long connection request at least comprises an identifier of the target Internet of things equipment;
responding to the long connection request and establishing long connection with the target Internet of things equipment;
writing the binding relationship between the target Internet of things equipment and the first cloud proxy equipment in the memory database;
receiving a command to be executed about the target internet of things device, wherein the command to be executed is sent by a control end device after determining the binding relationship through the memory database, or the command to be executed is forwarded by a second cloud agent device after receiving the command to be executed of the control end device;
and forwarding the command to be executed to the target Internet of things equipment based on the long connection.
In a second aspect, an embodiment of the present application further provides a data transmission method, which is applied to a control-end device, where the method includes:
sending a query request to a memory database, wherein the query request carries an identifier of a target Internet of things device, and the query request is used for querying cloud proxy devices which establish a binding relationship with the target Internet of things device;
receiving response information fed back by the memory database, wherein the response information comprises an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device which is already in binding relation with the target Internet of things device;
sending a command to be executed about the target internet of things device to the first cloud end device, so that the first cloud end agent device sends the command to be executed to the target internet of things device.
In a third aspect, an embodiment of the present application provides a data transmission method, which is applied to a second cloud device, and the method includes:
receiving a command to be executed about the target Internet of things equipment, which is sent by control end equipment;
sending a query request to a memory database, wherein the query request carries an identifier of a target Internet of things device, and the query request is used for querying cloud proxy devices which establish a binding relationship with the target Internet of things device;
receiving response information fed back by the memory database, wherein the response information comprises an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device which is already in binding relation with the target Internet of things device;
and sending the command to be executed to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
In a fourth aspect, an embodiment of the present application further provides a data transmission apparatus, where the apparatus includes: the device comprises a first receiving module, a connecting module, a binding module and a first sending module; wherein,
the first receiving module is used for receiving a long connection request of target Internet of things equipment; the long connection request at least comprises an identifier of the target Internet of things equipment;
the connection module is used for responding to the long connection request and establishing long connection with the target Internet of things equipment;
the binding module is used for writing the binding relationship between the target internet of things device and the first cloud agent device in the memory database;
the receiving module is further configured to receive a command to be executed about the target internet of things device, where the command to be executed is sent by the control end device after determining the binding relationship through the memory database, or the command to be executed is forwarded by the second cloud agent device after receiving the command to be executed of the control end device;
the first sending module is configured to forward the command to be executed to the target internet of things device based on the long connection.
In a fifth aspect, an embodiment of the present application further provides a data transmission apparatus, where the apparatus includes: a second sending module and a second receiving module; wherein,
the second sending module is used for sending a query request to the memory database, wherein the query request carries an identifier of the target internet of things device, and the query request is used for querying the cloud proxy device which is in binding relation with the target internet of things device;
the second receiving module is configured to receive response information fed back by the memory database, where the response information includes an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device that has established a binding relationship with the target internet of things device;
the second sending module is further configured to send a command to be executed about the target internet of things device to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
In a sixth aspect, an embodiment of the present application further provides a data transmission apparatus, where the apparatus includes: a third receiving module and a third sending module; wherein,
the third receiving module is used for receiving a command to be executed about the target internet of things device, which is sent by the control end device;
the third sending module is configured to send a query request to the internal database, where the query request carries an identifier of the target internet of things device, and the query request is used to query the cloud proxy device that establishes a binding relationship with the target internet of things device;
the third receiving module is further configured to receive response information fed back by the memory database, where the response information includes an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device that has established a binding relationship with the target internet of things device;
the third sending module is further configured to send the command to be executed to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
In a seventh aspect, an embodiment of the present application provides an electronic device, including:
one or more processors;
a memory for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement the data transmission method according to any embodiment of the present application.
In an eighth aspect, the present application provides a storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the data transmission method according to any embodiment of the present application.
The embodiment of the application provides a data transmission method and device, electronic equipment and a storage medium, which can automatically establish a binding relationship between target internet of things equipment and first cloud agent equipment while long connection is established between the target internet of things equipment and the first cloud agent equipment. In the prior art, the common practice is: if the control end equipment wants to send a command to be executed to a certain Internet of things equipment, the control end equipment needs to inquire each Broker equipment whether the Internet of things equipment is connected with the Broker equipment for a long time, the mode is low in efficiency, and management of the control end equipment on the physical network equipment is not facilitated. Therefore, compared with the prior art, the data transmission method, the data transmission device, the electronic device and the storage medium provided by the embodiment of the application can automatically establish the binding relationship between the target internet of things device and the first cloud agent device when the target internet of things device is in long connection with the first cloud agent device, so that the control terminal can conveniently and clearly forward the cloud agent device to be subjected to command execution, the data transmission efficiency can be obviously improved, and the effective management of the internet of things device is improved; moreover, the technical scheme of the embodiment of the application is simple and convenient to implement, convenient to popularize and wide in application range.
Drawings
Fig. 1 is a first flowchart of a data transmission method according to an embodiment of the present application;
FIG. 2 is a first architectural diagram of an Internet of things system architecture provided by embodiments of the present application;
fig. 3 is a second flowchart of a data transmission method according to an embodiment of the present application;
fig. 4 is a third flowchart of a data transmission method according to an embodiment of the present application;
fig. 5 is a second structural diagram of an architecture of an internet of things system provided by an embodiment of the present application;
fig. 6 is a fourth flowchart illustrating a data transmission method according to an embodiment of the present application;
FIG. 7 is a third architectural diagram of an Internet of things system architecture provided by embodiments of the present application;
fig. 8 is a fifth flowchart illustrating a data transmission method according to an embodiment of the present application;
FIG. 9 is a first block diagram of a data transmission device according to an embodiment of the present disclosure;
fig. 10 is a second structural diagram of a data transmission device according to an embodiment of the present application;
FIG. 11 is a third structural diagram of a data transmission device provided in an embodiment of the present application;
fig. 12 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a first flowchart of a data transmission method according to an embodiment of the present disclosure, where the method may be executed by a data transmission apparatus or a first cloud agent device, where the apparatus or the first cloud agent device may be implemented by software and/or hardware, and the apparatus or the first cloud agent device may be integrated in any intelligent device with a network communication function. As shown in fig. 1, the data transmission method may include the steps of:
s101, receiving a long connection request sent by target Internet of things equipment; the long connection request at least comprises an identification of the target Internet of things equipment.
In this step, the first cloud agent device may receive a long connection request sent by the target internet of things device; the long connection request at least includes an identifier of the target internet of things device. Specifically, a connection is initiated to the first cloud agent device by the target internet of things device, the first cloud agent device receives the connection initiated by the target internet of things device, the two parties establish a connection, after the target internet of things device and the first cloud agent device complete a request, the connection between the target internet of things device and the first cloud agent device is not actively closed, and subsequent data transmission can continue to use the connection.
Fig. 2 is a first structural diagram of an architecture of an internet of things system provided by an embodiment of the present application. As shown in fig. 2, the internet of things system architecture may generally include: the system comprises Internet of things equipment (IOT equipment for short), cloud proxy equipment (Broker equipment for short) and control end equipment; the IOT device communicates with the Broker device by establishing a long connection, for example, the long connection may be a connection established based on Message Queue Telemetry Transport (MQTT); the control end device and the Broker device communicate by establishing a short connection, for example, the short connection may be a connection established based on a hypertext Transfer Protocol (HTTP). Based on the internet of things system architecture, if a control end device wants to send a command to be executed to a certain IOT device, it needs to find the Broker device corresponding to the IOT device first, then send the command to be executed to the Broker device corresponding to the IOT device, and then forward the command to be executed to the IOT device through the Broker device. Specifically, the cloud agent device in the embodiment of the present application may connect M internet of things devices, which are respectively: the system comprises an internet of things device 1, internet of things devices 2 and … and an internet of things device M; wherein M is a natural number greater than or equal to 1; simultaneously, N control end equipment can also be connected to high in the clouds agent equipment, is respectively: control end equipment 1, control end equipment 2, … and control end equipment N; wherein N is a natural number of 1 or more. Preferably, the cloud proxy device in the embodiment of the application may also be replaced by a cloud proxy cluster composed of two or more cloud proxy devices, so as to better provide proxy service for the control end device and the internet of things device. Specifically, communication modes of each cloud agent device in the cloud agent cluster, the internet of things device and the control end device may communicate according to a predetermined rule, for example, it is assumed that the cloud agent cluster includes: the system comprises a first cloud agent device and a second cloud agent device; when proxy service is provided for the control end equipment and the internet of things equipment through the cloud proxy cluster, the first cloud proxy equipment can be connected with the internet of things equipment and the control end equipment respectively; when the first cloud agent device breaks down, the second cloud agent device is connected with the Internet of things device and the control end device respectively.
And S102, responding to the long connection request and establishing long connection with the target Internet of things equipment.
In this step, the first cloud agent device may establish a long connection with the target internet of things device in response to the long connection request. A long connection means that a plurality of packets can be continuously transmitted over one connection, and if no packet is transmitted during the connection holding period, both sides need to transmit a link check packet. The long connection in the embodiments of the present application may be a connection established based on message queue telemetry transmissions.
S103, writing the binding relation between the target Internet of things device and the first cloud agent device into the memory database.
In this step, after receiving a long connection request sent by the target internet of things device, the first cloud agent device may respond to the long connection request and establish a long connection with the target internet of things device; then writing the binding relationship between the target Internet of things equipment and the first cloud proxy equipment into the memory database; the binding relationship between the target internet of things device and the first cloud agent device may include a mapping relationship between an identifier of the target internet of things device and an identifier of the first cloud agent device; the identification of the target Internet of things equipment is the ID of the target Internet of things equipment; the identifier of the first cloud agent device is the IP address of the first cloud agent device.
Optionally, if the long connection between the target internet of things device and the cloud is disconnected due to a network or the like, the first cloud agent device should notify the memory database to delete the binding relationship between the target internet of things device and the first cloud agent device, and optionally notify the control end device that the long connection between the target internet of things device is disconnected. So as to prevent the subsequent control end equipment from finding the disconnected equipment; in addition, if the long connection of the target internet of things device is established again, the binding relationship between the target internet of things device and the new cloud proxy device is stored again.
And S104, receiving a to-be-executed command of the target Internet of things device, wherein the to-be-executed command is sent after the control end device determines the binding relationship through the memory database, or the to-be-executed command is forwarded after the second cloud agent device receives the to-be-executed command of the control end device.
In this step, the first cloud agent device may receive a command to be executed about the target internet of things device, where the command to be executed is sent by the control end device after determining the binding relationship through the internal memory database, or the command to be executed is forwarded by the second cloud agent device after receiving the command to be executed of the control end device. Specifically, the control end device may send a query request to the internal database, where the query request carries an identifier of the target internet of things device, and the query request is used to query a cloud proxy device that establishes a binding relationship with the target internet of things device; receiving response information fed back by the memory database, wherein the response information can comprise an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device which is already in binding relation with a target Internet of things device; the control end device sends a command to be executed about the target Internet of things device to the first cloud end agent device, so that the first cloud end agent device sends the command to be executed to the target Internet of things device; or, the control end device may also forward the command to be executed through the second cloud device.
And S105, forwarding the command to be executed to the target Internet of things equipment based on the long connection.
In this step, the first cloud agent device may forward the command to be executed to the target internet of things device based on the long connection. The command to be executed in the embodiment of the present application may be various preset commands, and is not limited herein.
The data transmission method provided by the embodiment of the application can automatically establish the binding relationship between the target Internet of things device and the first cloud agent device while establishing long connection between the target Internet of things device and the first cloud agent device. In the prior art, the common practice is: if the control end equipment wants to send a command to be executed to a certain Internet of things equipment, the control end equipment needs to inquire each Broker equipment whether the Internet of things equipment is connected with the Broker equipment for a long time, the mode is low in efficiency, and management of the control end equipment on the physical network equipment is not facilitated. Therefore, compared with the prior art, the data transmission method, the data transmission device, the electronic device and the storage medium provided by the embodiment of the application can automatically establish the binding relationship between the target internet of things device and the first cloud agent device when the target internet of things device and the first cloud agent device establish long connection, so that the data transmission efficiency can be obviously improved, and the effective management of the internet of things device is improved; moreover, the technical scheme of the embodiment of the application is simple and convenient to implement, convenient to popularize and wide in application range.
Example two
Fig. 3 is a second flowchart of a data transmission method according to an embodiment of the present application. Further optimization and expansion are performed based on the technical scheme, and the method can be combined with the various optional embodiments. As shown in fig. 3, the data transmission method may include the steps of:
s301, receiving a long connection request sent by target Internet of things equipment; the long connection request at least comprises an identification of the target Internet of things equipment.
In this step, the first cloud agent device may receive a long connection request sent by the target internet of things device forwarded by the management device, where the management device is configured to determine the first cloud agent device from the plurality of remote agent devices; the first cloud agent device is determined by the management device from the plurality of managed cloud agent devices according to a preset rule, wherein the preset rule comprises at least one of load balance, a preset priority mapping relation between the device type and the corresponding cloud agent device, and historical long connection times. The purpose of load balancing is to balance the number of the internet of things devices in charge of each cloud agent device. The preset priority mapping relation between the device type and the cloud proxy device means that the same type of device adopts the cloud proxy devices with the same priority; for example, the humidifier and the air purifier can correspond to a medium grade; alarms and the like correspond to high levels; the high priority cloud proxy device has higher processing efficiency than the medium priority cloud proxy device. Cloud proxy equipment with more historical connection times with target Internet of things equipment can be selected to continue serving the cloud proxy equipment, and the application scene of the local binding relationship is periodically updated for the control end equipment, so that the possibility of sending errors of the to-be-executed command can be reduced.
And S302, responding to the long connection request and establishing long connection with the target Internet of things equipment.
And S303, writing the binding relationship between the target Internet of things equipment and the first cloud agent equipment into the memory database.
In a specific embodiment of the application, after receiving a long connection request sent by a target internet of things device, a first cloud agent device may write a binding relationship between the target internet of things device and the first cloud agent device in an internal database; the binding relationship between the target internet of things device and the first cloud agent device comprises a mapping relationship between the identifier of the target internet of things device and the identifier of the first cloud agent device; the identification of the target Internet of things equipment is the ID of the target Internet of things equipment; the identifier of the first cloud agent device is the IP address of the first cloud agent device. Preferably, after the binding relationship between the internet of things device and the first cloud agent device is written into the memory database by the first cloud agent device, a number can be added to the binding relationship in the memory database, so that the control end device can conveniently inquire the first cloud agent device in the memory database, and meanwhile, the memory database can conveniently realize unified management on a large number of written binding relationships.
And S304, receiving a to-be-executed command of the target Internet of things device, wherein the to-be-executed command is sent by the control end device after the binding relation is determined through the memory database, or the to-be-executed command is forwarded by the second cloud agent device after the to-be-executed command of the control end device is received.
S305, forwarding the command to be executed to the target Internet of things equipment based on the long connection.
S306, receiving a data storage request sent by target Internet of things equipment based on long connection; the data storage request at least comprises data to be stored and the type of the data to be stored.
And S307, determining the data to be stored as cold data or hot data according to the type of the data to be stored.
S308, if the data to be stored is determined to be cold data, storing the data to be stored into a storage space corresponding to the cold data; and if the data to be stored is determined to be the hot data, storing the data to be stored into a storage space corresponding to the hot data.
Preferably, in a specific embodiment of the present application, the first cloud agent device may further receive, based on the long connection, a data storage request sent by the target internet of things device; the data storage request at least comprises data to be stored and the type of the data to be stored; determining the data to be stored as cold data or hot data based on the type of the data to be stored; if the data to be stored is determined to be cold data, the cloud proxy equipment can store the data to be stored into a storage space corresponding to the cold data; if the data to be stored is determined to be hot data, the cloud proxy equipment can store the data to be stored into a storage space corresponding to the hot data; the storage space corresponding to the cold data can be a MySQL database; the storage space corresponding to the thermal data may be a Redis database. Generally, cold data refers to data that does not generally change over a longer period of time; and thermal data refers to data that may change in a relatively short period of time. Also, it is contemplated that different data to be stored correspond to different types, including but not limited to one of the following: state class data, user feedback data, positioning data, personalized data and data for behavior reference. According to the data storage method and device, the fact that the types correspond to the hot data or the cold data can be predetermined, and therefore the cloud proxy device can be determined to be the hot data or the cold data according to the type of the data to be stored after receiving the data storage request. The method has the advantages that the data to be stored are divided into the hot data or the cold data, the common data and the data which are not common can be separately managed, the query of a user is facilitated, and the retrieval speed is improved.
The data transmission method provided by the embodiment of the application can automatically establish the binding relationship between the target Internet of things device and the first cloud agent device while establishing long connection between the target Internet of things device and the first cloud agent device. In the prior art, the common practice is: if the control end equipment wants to send a command to be executed to a certain Internet of things equipment, the control end equipment needs to inquire each Broker equipment whether the Internet of things equipment is connected with the Broker equipment for a long time, the mode is low in efficiency, and management of the control end equipment on the physical network equipment is not facilitated. Therefore, compared with the prior art, the data transmission method, the data transmission device, the electronic device and the storage medium provided by the embodiment of the application can automatically establish the binding relationship between the target internet of things device and the first cloud agent device when the target internet of things device and the first cloud agent device establish long connection, so that the data transmission efficiency can be obviously improved, and the effective management of the internet of things device is improved; moreover, the technical scheme of the embodiment of the application is simple and convenient to implement, convenient to popularize and wide in application range.
EXAMPLE III
Fig. 4 is a third flow chart of the data transmission method according to the embodiment of the present application. Further optimization and expansion are performed based on the technical scheme, and the method can be combined with the various optional embodiments. As shown in fig. 4, the data transmission method may include the steps of:
s401, sending a query request to a memory database, wherein the query request carries an identifier of the target Internet of things device, and the query request is used for querying cloud proxy devices which are in binding relation with the target Internet of things device.
In this step, the control end device may send an inquiry request to the internal memory database, where the inquiry request carries an identifier of the target internet of things device, and the inquiry request is used to inquire the cloud proxy device that establishes a binding relationship with the target internet of things device. Specifically, the control end equipment directly sends a query request to the memory database; or forwarding the query request to the memory database through the second cloud proxy equipment; the second cloud proxy device is a cloud proxy device which is arbitrarily selected by the control end device in the cloud proxy cluster; the cloud agent cluster is composed of at least two cloud agent devices.
In a preferred embodiment of the present application, the control end device may select one cloud proxy device as the second cloud proxy device in the cloud proxy cluster through the load balancer. Further, the load balancer may first obtain data, which is reported by each cloud agent device and used for representing the load bearing capacity of the cloud agent device; and then, based on the data which are reported by the cloud proxy devices and used for expressing the load bearing capacity of the cloud proxy devices, randomly selecting one cloud proxy device from the cloud proxy devices capable of providing the transit service as a second cloud proxy device.
Or the second cloud proxy device is determined by a default link or a default IP address of the control end device for accessing the cloud.
S402, receiving response information fed back by the memory database, wherein the response information comprises an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device which is already in binding relation with a target Internet of things device.
And S403, sending a command to be executed about the target Internet of things device to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target Internet of things device.
In a possible scheme, before the control terminal sends the command to be executed each time, the address of the cloud proxy device corresponding to the internet of things device needs to be determined.
In another possible scheme, the control terminal periodically updates cloud proxy device addresses corresponding to all devices bound by the control terminal, so that local search can be performed before a command to be executed is sent; optionally, the control terminal may obtain the binding relationship of all the internet of things devices bound by the control terminal at the cloud end at one time; or the control terminal can acquire the binding relationship of the internet of things equipment at the cloud end.
In this step, the control end device may send a command to be executed about the target internet of things device to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device. Specifically, the control end device may directly send a command to be executed about the target internet of things device to the first cloud agent device; or forwarding a command to be executed about the target internet of things device to the first cloud agent device through the second cloud agent device.
Fig. 5 is a second structural diagram of an architecture of an internet of things system provided by an embodiment of the present application. As shown in fig. 5, the internet of things system architecture may include: the system comprises the Internet of things equipment, cloud proxy equipment, control end equipment and a memory database. When the control end device sends a command to be executed to the target cloud end proxy device, the cloud end proxy device corresponding to the target internet of things device can be searched in the memory database; if the control end device finds the cloud end agent device corresponding to the target Internet of things device in the memory database, the control end device sends a command to be executed of the target Internet of things device to the cloud end agent device corresponding to the target Internet of things device, and forwards the command to be executed to the target Internet of things device through the cloud end agent device corresponding to the target Internet of things device. Therefore, when long connection is established between the target internet of things device and the first cloud agent device, the binding relationship between the target internet of things device and the first cloud agent device can be automatically established, and the control terminal determines the cloud agent device corresponding to the target internet of things device by inquiring the memory database, so that the data transmission efficiency can be obviously improved, and the effective management of the internet of things device is improved; moreover, the technical scheme of the embodiment of the application is simple and convenient to implement, convenient to popularize and wide in application range.
Example four
Fig. 6 is a fourth flowchart illustrating a data transmission method according to an embodiment of the present application. Further optimization and expansion are performed based on the technical scheme, and the method can be combined with the various optional embodiments. As shown in fig. 6, the data transmission method may include the steps of:
s601, directly sending a query request to a memory database; or forwarding the query request to the memory database through the second cloud proxy equipment; the second cloud proxy device is a cloud proxy device which is arbitrarily selected by the control end device in the cloud proxy cluster; the cloud agent cluster is composed of at least two cloud agent devices.
In this step, the control end device may directly send a query request to the memory database; or, the control end device may also forward the query request to the memory database through the second cloud proxy device; the second cloud proxy device is a cloud proxy device which is arbitrarily selected by the control end device in the cloud proxy cluster; the cloud agent cluster is composed of at least two cloud agent devices.
S602, receiving response information fed back by the memory database, wherein the response information comprises an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device which is already in binding relation with a target Internet of things device.
In this step, under the condition that the query request is directly sent to the memory database, the control end device directly receives response information fed back by the memory database, wherein the response information includes an identifier of the first cloud agent device, and the first cloud agent device is a cloud agent device which has established a binding relationship with the target internet of things device.
Correspondingly, under the condition that the control end device can also forward the query request to the memory database through the second cloud end proxy device, the control end device receives response information fed back by the memory database forwarded by the second cloud end proxy device. The response information comprises an identifier of the first cloud agent device, and the first cloud agent device is a cloud agent device which is already in binding relation with the target Internet of things device.
S603, sending a command to be executed about the target Internet of things device to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target Internet of things device.
Fig. 7 is a third structural diagram of an architecture of an internet of things system provided by an embodiment of the present application. As shown in fig. 7, the internet of things system architecture may include: the system comprises Internet of things equipment, a cloud agent cluster, control end equipment and a memory database; the cloud agent cluster may include two or more cloud agent devices. It is assumed here that the cloud agent cluster includes two cloud agent devices, which are: a cloud agent device 1 and a cloud agent device 2; the cloud agent device 1 is assumed to be a cloud agent device corresponding to the target internet of things device; the cloud proxy device 2 is a relay device. When the control end device sends a command to be executed to the target cloud agent device, the cloud agent device 2 can search a cloud agent device corresponding to the target internet of things device in the memory database; if the cloud proxy equipment corresponding to the target Internet of things equipment is found in the internal storage database, the control end equipment acquires the IP address of the cloud proxy equipment 1 through the cloud proxy equipment 2; then, a command to be executed of the target internet of things device is sent to the cloud proxy device 1 based on the IP address of the cloud proxy device 1, and the command to be executed is forwarded to the target internet of things device through the cloud proxy device 1.
The data transmission method provided by the embodiment of the application can automatically establish the binding relationship between the target Internet of things device and the first cloud agent device while establishing long connection between the target Internet of things device and the first cloud agent device. According to the data transmission method, the data transmission device, the electronic equipment and the storage medium, when long connection is established between the target Internet of things equipment and the first cloud agent equipment, the binding relationship between the target Internet of things equipment and the first cloud agent equipment is automatically established, the control terminal determines the cloud agent equipment corresponding to the target Internet of things equipment by inquiring the internal database, so that the data transmission efficiency can be obviously improved, and the effective management of the Internet of things equipment is improved; moreover, the technical scheme of the embodiment of the application is simple and convenient to implement, convenient to popularize and wide in application range.
EXAMPLE five
Fig. 8 is a fifth flowchart illustrating a data transmission method according to an embodiment of the present application. Further optimization and expansion are performed based on the technical scheme, and the method can be combined with the various optional embodiments. As shown in fig. 8, the data transmission method may include the steps of:
s801, receiving a command to be executed about the target Internet of things device, which is sent by the control end device.
In this step, the second cloud agent device may receive a command to be executed about the target internet of things device, which is sent by the control end device.
S802, sending a query request to a memory database, wherein the query request carries an identifier of the target Internet of things device, and the query request is used for querying cloud proxy devices which are in binding relation with the target Internet of things device.
In this step, the second cloud agent device may send an inquiry request to the internal database, where the inquiry request carries an identifier of the target internet of things device, and the inquiry request is used to inquire the cloud agent device that establishes a binding relationship with the target internet of things device.
And S803, receiving response information fed back by the memory database, wherein the response information comprises an identifier of the first cloud agent device, and the first cloud agent device is a cloud agent device which has established a binding relationship with the target Internet of things device.
In this step, the second cloud agent device may receive response information fed back by the memory database, where the response information includes an identifier of the first cloud agent device, and the first cloud agent device is a cloud agent device that has established a binding relationship with the target internet of things device.
S804, sending a command to be executed to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target Internet of things device.
In this step, the second cloud agent device may send a command to be executed to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
In a specific embodiment of the application, the control end device may further send a command to be executed about the target internet of things device to the second cloud agent device, so that the second cloud agent device forwards the command to be executed to the first cloud agent device after querying the first cloud agent device that establishes a binding relationship with the target internet of things device.
The data transmission method provided by the embodiment of the application can automatically establish the binding relationship between the target Internet of things device and the first cloud agent device while establishing long connection between the target Internet of things device and the first cloud agent device. According to the data transmission method, the data transmission device, the electronic equipment and the storage medium, when long connection is established between the target Internet of things equipment and the first cloud agent equipment, the binding relationship between the target Internet of things equipment and the first cloud agent equipment can be automatically established, the control terminal can send a command to be executed to any one second cloud agent equipment to realize control over the Internet of things equipment, the second cloud agent equipment inquires the internal storage database to determine the cloud agent equipment corresponding to the target Internet of things equipment, the data transmission efficiency can be obviously improved, and effective management over the Internet of things equipment is improved; moreover, the technical scheme of the embodiment of the application is simple and convenient to implement, convenient to popularize and wide in application range.
EXAMPLE six
Fig. 9 is a first structural diagram of a data transmission device according to an embodiment of the present application. As shown in fig. 9, the data transmission apparatus 900 includes: a first receiving module 901, a connecting module 902, a binding module 903 and a first sending module 904; wherein,
the first receiving module 901 is configured to receive a long connection request of a target internet of things device; the long connection request at least comprises an identifier of the target Internet of things equipment;
the connection module 902 is configured to establish a long connection with the target internet of things device in response to the long connection request;
the binding module 903 is configured to write a binding relationship between the target internet of things device and the first cloud agent device in the memory database;
the first receiving module 904 is further configured to receive a to-be-executed command of the target internet of things device, where the to-be-executed command is sent by the control end device after determining the binding relationship through the in-memory database, or the to-be-executed command is forwarded by a second cloud agent device after receiving the to-be-executed command of the control end device;
the first sending module is configured to forward the command to be executed to the target internet of things device based on the long connection.
The data transmission device can execute the methods provided by the first embodiment and the second embodiment of the application, and has corresponding functional modules and beneficial effects of the execution method. For details of the data transmission method, reference may be made to the data transmission method provided in the first embodiment and the second embodiment of the present application.
EXAMPLE seven
Fig. 10 is a second structural diagram of a data transmission device according to an embodiment of the present application. As shown in fig. 10, the data transmission apparatus 1000 includes: a second sending module 1001 and a second receiving module 1002; wherein,
the second sending module 1001 is configured to send a query request to a memory database, where the query request carries an identifier of a target internet of things device, and the query request is used to query a cloud proxy device that establishes a binding relationship with the target internet of things device;
the second receiving module 1002 is configured to receive response information fed back by the memory database, where the response information includes an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device that has established a binding relationship with the target internet of things device;
the second sending module 1001 is further configured to send a command to be executed about the target internet of things device to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
The data transmission device can execute the methods provided by the third embodiment and the fourth embodiment of the application, and has corresponding functional modules and beneficial effects of the execution method. For details of the data transmission method, reference may be made to the data transmission method provided in the third embodiment and the fourth embodiment of the present application.
Example eight
Fig. 11 is a third structural diagram of a data transmission device according to an embodiment of the present application. As shown in fig. 11, the data transmission apparatus 1100 includes: a third receiving module 1101 and a third transmitting module 1102; wherein,
the third receiving module 1101 is configured to receive a command to be executed, which is sent by a control end device and is about the target internet of things device;
the third sending module 1102 is configured to send a query request to a memory database, where the query request carries an identifier of a target internet of things device, and the query request is used to query a cloud agent device that establishes a binding relationship with the target internet of things device;
the third receiving module 1101 is further configured to receive response information fed back by the memory database, where the response information includes an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device that has established a binding relationship with the target internet of things device;
the third sending module 1102 is further configured to send the command to be executed to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device
The data transmission device can execute the method provided by the fifth embodiment of the application, and has the corresponding functional modules and beneficial effects of the execution method. For details of the data transmission method, reference may be made to the data transmission method provided in the fifth embodiment of the present application.
Example nine
Fig. 12 is a schematic structural diagram of an electronic device provided in an embodiment of the present application. FIG. 12 illustrates a block diagram of an exemplary electronic device suitable for use in implementing embodiments of the present application. The electronic device 12 shown in fig. 12 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in FIG. 12, electronic device 12 is embodied in the form of a general purpose computing device. The components of electronic device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. The electronic device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 12, and commonly referred to as a "hard drive"). Although not shown in FIG. 12, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the application.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally perform the functions and/or methodologies of the embodiments described herein.
The processing unit 16 executes various functional applications and data processing by executing programs stored in the system memory 28, for example, to implement the data transmission method provided in the embodiments of the present application.
Example ten
An embodiment of the present application provides a computer storage medium.
The computer-readable storage media of the embodiments of the present application may take any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (12)
1. A data transmission method is applied to a first cloud proxy device, and comprises the following steps:
receiving a long connection request of target Internet of things equipment; the long connection request at least comprises an identifier of the target Internet of things equipment;
responding to the long connection request and establishing long connection with the target Internet of things equipment;
writing the binding relationship between the target Internet of things equipment and the first cloud proxy equipment in the memory database;
receiving a command to be executed about the target internet of things device, wherein the command to be executed is sent by a control end device after determining the binding relationship through the memory database, or the command to be executed is forwarded by a second cloud agent device after receiving the command to be executed of the control end device;
and forwarding the command to be executed to the target Internet of things equipment based on the long connection.
2. The method of claim 1, wherein the binding relationship between the target internet of things device and the first cloud agent device comprises a mapping relationship between an identifier of the target internet of things device and an identifier of the first cloud agent device; the identification of the first cloud agent device is the IP address of the first cloud agent device.
3. The method of claim 1, further comprising:
receiving a data storage request sent by the target Internet of things equipment based on the long connection; the data storage request at least comprises data to be stored and the type of the data to be stored;
determining the data to be stored as cold data or hot data according to the type of the data to be stored;
if the data to be stored is determined to be cold data, storing the data to be stored into a storage space corresponding to the cold data; and if the data to be stored is determined to be the hot data, storing the data to be stored into a storage space corresponding to the hot data.
4. The method of claim 1, wherein the receiving the long connection request of the target internet of things device comprises:
receiving a long connection request transmitted by the target Internet of things equipment and forwarded by management equipment; the first cloud agent device is determined by the management device according to a preset rule from a plurality of managed cloud agent devices, wherein the preset rule comprises at least one of load balancing, a preset priority mapping relation between a device type and the corresponding cloud agent device, and a historical long connection frequency.
5. A data transmission method is applied to a control end device, and comprises the following steps:
sending a query request to a memory database, wherein the query request carries an identifier of a target Internet of things device, and the query request is used for querying cloud proxy devices which establish a binding relationship with the target Internet of things device;
receiving response information fed back by the memory database, wherein the response information comprises an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device which is already in binding relation with the target Internet of things device;
sending a command to be executed about the target internet of things device to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
6. The method of claim 5, wherein sending a query request to the in-memory database comprises:
directly sending the query request to the memory database; or forwarding the query request to the memory database through a second cloud proxy device; the second cloud agent device is a cloud agent device arbitrarily selected by the control end device from a plurality of cloud agent devices.
7. A data transmission method is applied to a second cloud proxy device, and comprises the following steps:
receiving a command to be executed about the target Internet of things equipment, which is sent by control end equipment;
sending a query request to a memory database, wherein the query request carries an identifier of a target Internet of things device, and the query request is used for querying cloud proxy devices which establish a binding relationship with the target Internet of things device;
receiving response information fed back by the memory database, wherein the response information comprises an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device which is already in binding relation with the target Internet of things device;
and sending the command to be executed to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
8. A data transmission apparatus, characterized in that the apparatus comprises: the device comprises a first receiving module, a connecting module, a binding module and a first sending module; wherein,
the first receiving module is used for receiving a long connection request of target Internet of things equipment; the long connection request at least comprises an identifier of the target Internet of things equipment;
the connection module is used for responding to the long connection request and establishing long connection with the target Internet of things equipment;
the binding module is used for writing the binding relationship between the target internet of things device and the first cloud agent device in the memory database;
the first receiving module is further configured to receive a command to be executed about the target internet of things device, where the command to be executed is sent by the control end device after determining the binding relationship through the memory database, or the command to be executed is forwarded by the second cloud agent device after receiving the command to be executed of the control end device;
the first sending module is configured to forward the command to be executed to the target internet of things device based on the long connection.
9. A data transmission apparatus, characterized in that the apparatus comprises: a second sending module and a second receiving module; wherein,
the second sending module is used for sending a query request to the memory database, wherein the query request carries an identifier of the target internet of things device, and the query request is used for querying the cloud proxy device which is in binding relation with the target internet of things device;
the second receiving module is configured to receive response information fed back by the memory database, where the response information includes an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device that has established a binding relationship with the target internet of things device;
the second sending module is further configured to send a command to be executed about the target internet of things device to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
10. A data transmission apparatus, characterized in that the apparatus comprises: a third receiving module and a third sending module; wherein,
the third receiving module is used for receiving a command to be executed about the target internet of things device, which is sent by the control end device;
the third sending module is configured to send a query request to the internal database, where the query request carries an identifier of the target internet of things device, and the query request is used to query the cloud proxy device that establishes a binding relationship with the target internet of things device;
the third receiving module is further configured to receive response information fed back by the memory database, where the response information includes an identifier of a first cloud agent device, and the first cloud agent device is a cloud agent device that has established a binding relationship with the target internet of things device;
the third sending module is further configured to send the command to be executed to the first cloud agent device, so that the first cloud agent device sends the command to be executed to the target internet of things device.
11. An electronic device, comprising:
one or more processors;
a memory for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement a data transmission method as claimed in any one of claims 1 to 4 or 5 to 6 or 7.
12. A storage medium on which a computer program is stored which, when being executed by a processor, carries out a data transmission method as claimed in any one of claims 1 to 4 or 5 to 6 or 7.
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