CN114760373B - Data transmission method and device, computer readable storage medium and convergence terminal - Google Patents

Data transmission method and device, computer readable storage medium and convergence terminal Download PDF

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Publication number
CN114760373B
CN114760373B CN202210661623.8A CN202210661623A CN114760373B CN 114760373 B CN114760373 B CN 114760373B CN 202210661623 A CN202210661623 A CN 202210661623A CN 114760373 B CN114760373 B CN 114760373B
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data
mqtt protocol
message
message queue
protocol message
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CN114760373A (en
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夏再琦
姜帆
杜君
王文赫
庞振江
郭艳鹏
宋绍华
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Beijing Smartchip Microelectronics Technology Co Ltd
Beijing Smartchip Semiconductor Technology Co Ltd
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Beijing Smartchip Microelectronics Technology Co Ltd
Beijing Smartchip Semiconductor Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/62—Queue scheduling characterised by scheduling criteria
    • H04L47/6295—Queue scheduling characterised by scheduling criteria using multiple queues, one for each individual QoS, connection, flow or priority
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)

Abstract

The invention discloses a data transmission method and device, a computer readable storage medium and a convergence terminal, wherein the method comprises the following steps: receiving a plurality of MQTT protocol message data, wherein the plurality of MQTT protocol message data are sent by a plurality of service acquisition application programs; sequentially acquiring data types of a plurality of MQTT protocol message data, wherein the data types comprise a first data type and a second data type; adding MQTT protocol message data with a first data type into a first message queue to be sent, and adding MQTT protocol message data with a second data type into a second message queue to be sent; and transmitting the MQTT protocol message data in the first message queue and the second message queue to the electric power communication device according to a preset rule. The data transmission method can simultaneously support the MQTT protocol message data of two data types and meet the communication requirements of different services.

Description

Data transmission method and device, computer readable storage medium and convergence terminal
Technical Field
The present invention relates to the field of data transmission technologies, and in particular, to a data transmission method, a data transmission device, a computer-readable storage medium, and a convergence terminal.
Background
In order to better realize interconnection and intercommunication of service systems such as power utilization collection and distribution automation and collection terminals, meet service requirements such as electric energy information collection, platform district intelligent monitoring and source network charge storage cooperation, and to build a novel power system service, a novel fusion terminal is produced. As the most main communication port of the new convergence terminal, HPLC (High Power Line Carrier, low voltage Power Line High speed Carrier) is a problem that how to satisfy the communication requirements of various service functions needs to be considered.
Disclosure of Invention
The present invention is directed to solving, at least in part, one of the technical problems in the related art. Therefore, a first object of the present invention is to provide a data transmission method, which places different data types in corresponding message queues according to data types of MQTT protocol message data sent by multiple service acquisition applications, and then sends the data in the message queues to an electric power communication device according to a certain rule, so that MQTT protocol message data of two data types can be simultaneously supported, and different service communication requirements can be met.
A second object of the present invention is to provide a data transmission device.
A third object of the invention is to propose a computer-readable storage medium.
The fourth purpose of the invention is to provide a convergence terminal.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a data transmission method, including: receiving a plurality of MQTT protocol message data, wherein the plurality of MQTT protocol message data are sent by a plurality of service acquisition application programs; sequentially acquiring data types of a plurality of MQTT protocol message data, wherein the data types comprise a first data type and a second data type; adding MQTT protocol message data with a first data type into a first message queue to be sent, and adding MQTT protocol message data with a second data type into a second message queue to be sent; and transmitting the MQTT protocol message data in the first message queue and the second message queue to the power communication device according to a preset rule.
According to the data transmission method, a plurality of pieces of MQTT protocol message data are received, wherein the plurality of pieces of MQTT protocol message data are sent by a plurality of service acquisition application programs, then the data types of the plurality of pieces of MQTT protocol message data are acquired in sequence, the MQTT protocol message data with the data type of a first data type are added into a first message queue to be sent, the MQTT protocol message data with the data type of a second data type are added into a second message queue to be sent, and finally the MQTT protocol message data in the first message queue and the second message queue are sent to the electric power communication device according to a preset rule. Therefore, according to the data types of the MQTT protocol message data sent by the plurality of service acquisition application programs, different data types are placed in the corresponding message queues, and then the data in the message queues are sent to the power communication device according to a certain rule, so that the MQTT protocol message data of two data types can be simultaneously supported, and different service communication requirements are met.
In addition, the data transmission method according to the above embodiment of the present invention may further have the following additional technical features:
according to an embodiment of the invention, the transmitting of MQTT protocol message data in the first message queue and the second message queue to the power communication device according to a preset rule includes: alternately sending MQTT protocol message data in the first message queue and the second message queue to the power communication device; or alternately transmitting the MQTT protocol message data in the second message queue and the first message queue to the power communication device.
According to an embodiment of the present invention, after adding MQTT protocol message data to a first message queue to be sent, the method further comprises: respectively acquiring the priority of MQTT protocol message data to be sent in a first message queue; adding MQTT protocol message data to be sent into a first message queue according to the sequence of the priority from high to low.
According to an embodiment of the present invention, after adding MQTT protocol message data to the second message queue to be sent, the method further includes: respectively acquiring the priority of MQTT protocol message data to be sent in the second message queue; and adding MQTT protocol message data to be sent into a second message queue according to the sequence of the priority from high to low.
According to an embodiment of the invention, when the priorities of the MQTT protocol message data to be sent in the first message queue are the same, the MQTT protocol message data are added into the first message queue according to the time sequence of receiving the MQTT protocol message data.
According to an embodiment of the present invention, when the priorities of the MQTT protocol message data to be sent in the second message queue are the same, the MQTT protocol message data are added to the second message queue according to the time sequence of receiving the MQTT protocol message data.
According to one embodiment of the invention, before transmitting MQTT protocol message data in the first and second message queues to the power communication device, the method further comprises: when the communication channel of the power communication device is determined to be in an idle state, acquiring the data type transmitted by the last communication channel; when the data type transmitted by the last communication channel is the first data type, acquiring MQTT protocol message data in a second message queue; and when the MQTT protocol message data in the second message queue is determined to be successfully acquired, the MQTT protocol message data is sent to the electric power communication device.
According to an embodiment of the invention, when it is determined that the MQTT protocol message data in the second message queue is not successfully acquired or the second message queue is empty, the MQTT protocol message data in the first message queue is acquired and sent to the power communication device.
According to an embodiment of the present invention, the data transmission method further includes: receiving a response message of the power communication device; and when the response message of the power communication device is determined to be received, sending the response message to the corresponding service acquisition application program according to the data type and the identification of the service acquisition application program.
According to an embodiment of the present invention, the data transmission method further includes: and when the response message of the power communication device is not received within the preset time, the data type, the identification of the service acquisition application program and the overtime information are sent to the corresponding service acquisition application program.
According to one embodiment of the invention, the first data type is in A-XDR format and the second data type is in JSON format.
In order to achieve the above object, a second embodiment of the present invention provides a data transmission apparatus, including: the system comprises a first receiving module, a second receiving module and a processing module, wherein the first receiving module is used for receiving a plurality of MQTT protocol message data, and the plurality of MQTT protocol message data are sent by a plurality of service acquisition application programs; the system comprises a first acquisition module, a second acquisition module and a data processing module, wherein the first acquisition module is used for sequentially acquiring data types of a plurality of MQTT protocol message data, and the data types comprise a first data type and a second data type; the message queue determining module is used for adding the MQTT protocol message data with the data type of a first data type into a first message queue to be sent and adding the MQTT protocol message data with the data type of a second data type into a second message queue to be sent; and the data sending module is used for sending the MQTT protocol message data in the first message queue and the second message queue to the electric power communication device according to a preset rule.
According to the data transmission device provided by the embodiment of the invention, the first receiving module receives a plurality of pieces of MQTT protocol message data, the first obtaining module sequentially obtains the data types of the plurality of pieces of MQTT protocol message data, the message queue determining module adds the MQTT protocol message data with the data type of the first data type into a first message queue to be sent, and adds the MQTT protocol message data with the data type of the second data type into a second message queue to be sent, and the data sending module sends the MQTT protocol message data in the first message queue and the second message queue to the electric power communication device according to the preset rule. Therefore, the device puts different data types in corresponding message queues according to the data types of the MQTT protocol message data sent by a plurality of service acquisition application programs, and then sends the data in the message queues to the power communication device according to a certain rule, so that the MQTT protocol message data of two data types can be simultaneously supported, and different service communication requirements are met.
In addition, the data transmission device according to the above embodiment of the present invention may further have the following additional technical features:
according to an embodiment of the present invention, the data sending module sends MQTT protocol message data in the first message queue and the second message queue to the power communication device according to a preset rule, and is specifically configured to: alternately sending MQTT protocol message data in the first message queue and the second message queue to the power communication device; or alternately sending the MQTT protocol message data in the second message queue and the first message queue to the power communication device.
According to an embodiment of the present invention, after adding MQTT protocol message data to the first message queue to be sent, the message queue determining module is further configured to: respectively acquiring the priority of MQTT protocol message data to be sent in a first message queue; adding MQTT protocol message data to be sent into a first message queue according to the sequence of the priority from high to low.
According to an embodiment of the present invention, after adding MQTT protocol message data to the second message queue to be sent, the message queue determining module is further configured to: respectively acquiring the priority of MQTT protocol message data to be sent in the second message queue; adding MQTT protocol message data to be sent into a second message queue according to the sequence of the priority from high to low.
According to an embodiment of the present invention, the message queue determining module is further configured to add, when the priorities of the MQTT protocol message data to be sent in the first message queue are the same, the MQTT protocol message data to be sent into the first message queue according to the time sequence of receiving the MQTT protocol message data.
According to an embodiment of the present invention, the message queue determining module is further configured to add the MQTT protocol message data to be sent to the second message queue into the second message queue according to a time sequence of receiving the MQTT protocol message data when the priorities of the MQTT protocol message data to be sent in the second message queue are the same.
According to an embodiment of the present invention, the data transmission apparatus further includes: the second obtaining module is used for obtaining the data type transmitted by the last communication channel when the communication channel of the electric power communication device is determined to be in the idle state, obtaining MQTT protocol message data in the second message queue when the data type transmitted by the last communication channel is the first data type, and sending the MQTT protocol message data to the electric power communication device when the MQTT protocol message data in the second message queue is determined to be successfully obtained.
According to an embodiment of the present invention, the second obtaining module is further configured to, when it is determined that the MQTT protocol message data in the second message queue is not successfully obtained or the second message queue is empty, obtain the MQTT protocol message data in the first message queue, and send the MQTT protocol message data to the power communication device.
According to an embodiment of the present invention, the data transmission apparatus further includes: and the second receiving module is used for receiving the response message of the power communication device and sending the response message to the corresponding service acquisition application program according to the data type and the identification of the service acquisition application program when the response message of the power communication device is determined to be received.
According to an embodiment of the present invention, the second receiving module is further configured to: and when the response message of the power communication device is not received within the preset time, sending the data type, the identification of the service acquisition application program and the overtime information to the corresponding service acquisition application program.
According to one embodiment of the invention, the first data type is in A-XDR format and the second data type is in JSON format.
To achieve the above object, a third aspect of the present invention provides a computer-readable storage medium, on which a data transmission program is stored, and the data transmission program is executed by a processor to implement the data transmission method.
The computer-readable storage medium of the embodiment of the invention can simultaneously support MQTT protocol message data of two data types by executing the data transmission method, thereby meeting different service communication requirements.
In order to achieve the above object, a fourth aspect of the present invention provides a convergence terminal, including: the data transmission method comprises a memory, a processor and a data transmission program which is stored on the memory and can run on the processor, wherein when the processor executes the data transmission program, the data transmission method is realized.
According to the fusion terminal provided by the embodiment of the invention, by executing the data transmission method, the MQTT protocol message data of two data types can be simultaneously supported, and different service communication requirements are met.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a flow chart of a data transmission method according to an embodiment of the invention;
FIG. 2 is a block diagram of an overall architecture of a data transmission method according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method of data transmission according to one embodiment of the present invention;
fig. 4 is a flowchart of a data transmission method according to another embodiment of the present invention;
FIG. 5 is a block diagram of a data transmission apparatus according to an embodiment of the present invention;
fig. 6 is a block diagram of a convergence terminal according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A data transmission method, a data transmission apparatus, a computer-readable storage medium, and a convergence terminal proposed by an embodiment of the present invention are described below with reference to the accompanying drawings.
The existing concentrator, the platform area intelligent convergence terminal and the energy controller only adopt a single-format MQTT (Message Queuing Telemetry Transport) protocol bus to realize Message transmission, a low-voltage power line high-speed carrier channel is used as a main communication port of the novel convergence terminal, and a single data transmission format cannot meet the communication requirements of various service functions. Therefore, the invention provides a Data transmission method, which adopts two different MQTT message communication formats, namely an A-XDR (abstract eXternal Data reporting) format is adopted by a marketing service application program, and a JSON (JSON JavaScript Object notification) format is adopted by a power distribution service application program.
Fig. 1 is a flowchart of a data transmission method according to an embodiment of the present invention.
As shown in fig. 1, the data transmission method according to the embodiment of the present invention may include the following steps:
and S1, receiving a plurality of MQTT protocol message data, wherein the plurality of MQTT protocol message data are sent by a plurality of service acquisition application programs.
And S2, sequentially acquiring data types of the multiple pieces of MQTT protocol message data, wherein the data types comprise a first data type and a second data type. That is, the types of data sent by different service acquisition applications are different, some service acquisition applications send a first data type, and some service acquisition applications send a second data type.
S3, adding the MQTT protocol message data with the data type of the first data type into a first message queue to be sent, and adding the MQTT protocol message data with the data type of the second data type into a second message queue to be sent.
That is to say, the data types of MQTT protocol message data sent by a plurality of service acquisition application programs are respectively judged, and when the data type of the MQTT protocol message data is a first data type, the MQTT protocol message data is added into a first message queue to be sent; and when the data type of the MQTT protocol message data is a second data type, adding the MQTT protocol message data into a second message queue to be sent.
And S4, transmitting the MQTT protocol message data in the first message queue and the second message queue to the power communication device according to a preset rule.
According to one embodiment of the invention, the first data type is in A-XDR format and the second data type is in JSON format. The marketing business application program can adopt an A-XDR format, and the power distribution business application program can adopt a JSON format.
Specifically, as shown in fig. 2, the data transmission method of the present invention is integrated in the local communication management application. An MQTT communication protocol is adopted among the data center application program, each service acquisition application program and the local communication management application program, and the data types of the MQTT protocol message data comprise a first data type and a second data type. In the process of data transmission, if binary data transmission is involved, the binary data is transmitted by adopting a standard Base64 coding and decoding mode. The local communication management application program is used for managing a communication channel of the electric power communication device, can communicate with the electric power communication device by adopting a serial communication interface such as a USB interface, adopts a GW1376.2 protocol for data interaction, and is fully responsible for each service acquisition application program to access the HPLC network.
The plurality of service acquisition application programs send acquired information to the local communication management application program through an MQTT protocol, and the local communication management application program receives a plurality of MQTT protocol message data, wherein the service acquisition application program can automatically acquire the information at regular time or actively acquire the information by user operation, and the local communication management application program simultaneously supports two message formats of A-XDR and JSON, so that the communication between marketing and power distribution services and the power communication device is met.
The local communication management application program divides data according to different data types of MQTT protocol message data, adds the MQTT protocol message data to a first message queue to be sent when determining that the current MQTT protocol message data is of a first data type, and adds the MQTT protocol message data to a second message queue to be sent when determining that the current MQTT protocol message data is of a second data type. And after the first message queue and the second message queue store corresponding MQTT protocol message data, the local communication management application program sends the MQTT protocol message data in the first message queue and the second message queue to the electric power communication device according to a preset rule. The preset rule may be a manner of sending messages alternately at regular time, or a manner of sending messages alternately at the number of the messages to be sent, and may be specifically set according to actual requirements.
It should be noted that fig. 2 is only an embodiment of the present invention, and when the power communication device is in communication connection with devices such as a smart meter, a smart switch, and a smart capacitor, HPLC may be used as the communication port, or wireless communication may be used as the communication port, which is not limited herein.
Therefore, the data transmission method of the embodiment of the invention can simultaneously support the MQTT protocol message data of two data types and meet the communication requirements of different services.
The specific work flow of the data transmission method of the present invention is described in detail below.
According to one embodiment of the invention, the MQTT protocol message data in the first message queue and the second message queue is transmitted to the electric power communication device according to a preset rule, and the method comprises the following steps: alternately sending MQTT protocol message data in the first message queue and the second message queue to the power communication device; or alternately sending the MQTT protocol message data in the second message queue and the first message queue to the power communication device.
Specifically, when the local communication management application program sends MQTT protocol message data in the first message queue and the second message queue to the power communication device, in order to ensure fair transmission of the MQTT protocol message data, there is no priority division between the two MQTT protocol message data, contents in the first message queue and the second message queue are sequentially extracted, and queue contents in the same message format are not continuously acquired. That is, one of the message data in the first message queue may be sent to the power communication device, and then one of the message data in the second message queue may be sent to the power communication device; or one of the message data in the second message queue may be sent to the power communication device first, and then one of the message data in the first message queue may be sent to the power communication device.
For example, the first message queue includes A, B pieces of message data, and the second message queue includes C, D pieces of message data, and the local communication management application program may first send the message data a to be sent in the first message queue to the power communication device, and after the data message a is sent, send the message data C to be sent in the second message queue to the power communication device. After the message data C is sent, the message data B in the first message queue is sent to the electric power communication device, and after the message data B is sent, the message data D to be sent in the second message queue is sent to the electric power communication device, so that the MQTT protocol message data in the message queues are sent alternately, and the fairness of message data transmission is ensured.
In an embodiment of the present invention, to-be-sent message data in the first message queue and the second message queue may also be sent alternately according to a set time, or a manner of sending multiple data alternately, that is, two message data in the first message queue are sent first, and then two message data in the second message queue are sent, which is not limited herein.
According to an embodiment of the present invention, after adding MQTT protocol message data of the first data type to the first message queue to be sent, the method further comprises: respectively acquiring the priority of MQTT protocol message data to be sent in a first message queue; adding MQTT protocol message data to be sent into a first message queue according to the sequence of the priority from high to low.
According to an embodiment of the invention, when the priorities of the MQTT protocol message data to be sent in the first message queue are the same, the MQTT protocol message data are added into the first message queue according to the time sequence of receiving the MQTT protocol message data.
Specifically, although there is no division of priority between two MQTT protocol message data, there is priority between protocol message data of the same data type. The local communication management application program adds MQTT protocol message data of a first data type (A-XDR format) into a first message queue to be sent according to different MQTT protocol message data formats of the received service acquisition application program. The first message queue supports a high-priority queue insertion mechanism, that is, the local communication management application program firstly obtains the priority of the MQTT protocol message data to be sent, and according to the priority order, the MQTT protocol message data are added into the first message queue to be sent to the electric power communication device one by one, and when the message data in the first message queue are sent to the electric power communication device, the message data are sent in sequence according to the priority order. When the priorities of the MQTT protocol message data are the same, the MQTT protocol message data can be added into a first message queue to be sent to the electric power communication device one by one according to the time sequence of receiving the MQTT protocol message data by the local communication management application program.
According to an embodiment of the present invention, after adding MQTT protocol message data of the second data type to the second message queue to be sent, the method further comprises: respectively acquiring the priority of MQTT protocol message data to be sent in the second message queue; adding MQTT protocol message data to be sent into a second message queue according to the sequence of the priority from high to low.
According to one embodiment of the invention, when the priorities of MQTT protocol message data to be sent in the second message queue are the same, the MQTT protocol message data are added into the second message queue according to the time sequence of receiving the MQTT protocol message data.
Specifically, the local communication management application adds MQTT protocol message data of the second data type (JSON format) to the second message queue to be sent according to the difference of the data formats of the MQTT protocol message received from the service acquisition application. The second message queue supports a high-priority queue insertion mechanism, that is, the local communication management application program firstly obtains the priority of the MQTT protocol message data to be sent, and according to the priority order, adds the priority into the second message queue to be sent to the electric power communication device one by one, and when sending the message data in the second message queue to the electric power communication device, sends the message data in sequence according to the priority order. When the priorities of the MQTT protocol message data are the same, the MQTT protocol message data can be added into a second message queue to be sent to the power communication device one by one according to the time sequence of receiving the MQTT protocol message data by the local communication management application program.
As a specific example, as shown in fig. 3, the data transmission method may include the following steps:
s301, each business acquisition application program sends MQTT protocol message data.
S302, judging whether the local communication management application program receives MQTT protocol message data. If yes, go to step S303; if not, step S302 is performed.
S303, judging whether the data type of the MQTT protocol message is in an A-XDR format. If yes, go to step S304; if not, step S305 is performed.
S304, judging whether the priorities of the MQTT protocol message data are different. If yes, go to step S307; if not, go to step S306.
S305, judging whether the data type of the MQTT protocol message is in a JSON format. If yes, go to step S308; if not, step S302 is executed.
S306, adding the data into the first message queue according to the time sequence of receiving the MQTT protocol message data.
S307, adding the message data into the first message queue according to the MQTT protocol priority order.
S308, judging whether the priorities of the MQTT protocol message data are different. If yes, go to step S309; if not, step S310 is performed.
S309, adding the message data into a second message queue according to the MQTT protocol priority order.
And S310, adding the data into a second message queue according to the time sequence of receiving the MQTT protocol message data.
According to one embodiment of the invention, before transmitting MQTT protocol message data in the first and second message queues to the power communication device, the method further comprises: when the communication channel of the power communication device is determined to be in an idle state, acquiring the data type transmitted by the last communication channel; when the data type transmitted by the last communication channel is the first data type, acquiring MQTT protocol message data in a second message queue; and when the MQTT protocol message data in the second message queue is determined to be successfully acquired, the MQTT protocol message data is sent to the electric power communication device.
According to an embodiment of the invention, when it is determined that the MQTT protocol message data in the second message queue is not successfully acquired or the second message queue is empty, the MQTT protocol message data in the first message queue is acquired and sent to the power communication device.
Specifically, after the MQTT protocol message data in the first message queue and the second message queue are sorted according to the data priority or the time sequence of receiving the message data, the local communication management application program sends the MQTT protocol message data to the electric power communication device. Since there is only one communication channel, it is necessary to determine whether the communication channel of the power communication device is in an idle state before the MQTT protocol message data is sent. If the communication channel is not in the idle state, the message transmission is indicated at present, and the local communication management application program continues to inquire the state of the communication channel and waits; if the communication channel is in an idle state, the local communication management application program can send MQTT protocol message data to be sent to the electric power communication device. The data type transmitted by the last communication channel is firstly acquired, if the data type transmitted by the last communication channel is the first data type (A-XDR format), the data type indicates that the last communication channel acquires MQTT protocol message data in the first message queue, and the MQTT protocol message data in the second message queue is preferentially acquired at this time according to the principle of alternately acquiring the message data of the first message queue and the second message queue. If the MQTT protocol message data in the second message queue are successfully acquired, the local communication management application program sends the MQTT protocol message data to the electric power communication device; and if the acquisition is not successful, the local communication management application program acquires the MQTT protocol message data in the first message queue and sends the MQTT protocol message data to the power communication device. In addition, if the MQTT protocol message data in the second message queue is empty, it indicates that all the MQTT protocol message data have been sent or the message data in the JSON format is not stored in the second message queue, and the local communication management application program acquires the MQTT protocol message data in the first message queue and sends the MQTT protocol message data to the power communication device. And whether the MQTT protocol message data in the second message queue is empty or not, after the MQTT protocol message data of the first message queue is sent next time, the MQTT protocol message data in the second message queue is obtained again according to the alternate sending principle.
And if the data type transmitted by the last communication channel is the second data type (JSON format), preferentially acquiring the MQTT protocol message data in the first message queue at this time. When the local communication management application program successfully acquires the MQTT protocol message data in the first message queue, the MQTT protocol message data is sent to the electric power communication device; and when the local communication management application program does not successfully acquire the MQTT protocol message data in the first message queue, or the first message queue is empty, acquiring the MQTT protocol message data in the second message queue and transmitting the MQTT protocol message data to the electric power communication device.
According to an embodiment of the present invention, the data transmission method further includes: receiving a response message of the power communication device; and when the response message of the power communication device is determined to be received, sending the response message to the corresponding service acquisition application program according to the data type and the identification of the service acquisition application program.
According to an embodiment of the present invention, the data transmission method further includes: and when the response message of the power communication device is not received within the preset time, the data type, the identification of the service acquisition application program and the overtime information are sent to the corresponding service acquisition application program. The preset time can be determined according to the actual situation.
Specifically, when the local management application successfully acquires the MQTT protocol message data of the first message queue or the second message queue, the message content is extracted and converted into a GW1376.2 protocol message, and the message is sent to the power communication device, and the data type (an a-XDR format or a JSON format, which provides a basis for acquiring a message next time) and the identifier of the collection service application (for example, the name of the collection service application) are recorded, and a timer for monitoring message timeout is started. And the local management application program waits for the response of the electric power communication device within the time set by the monitoring timer and receives a response message of the electric power communication device. If the local management application program successfully receives the response message sent by the power communication device within the preset time (such as 10 s), converting the response message into an MQTT protocol with a corresponding format according to the data type, and sending the response message to a corresponding service acquisition application program according to the identification of the service acquisition application program. If the local management application program does not successfully receive the response message sent by the power communication device within the preset time, converting the message of the overtime message into an MQTT protocol with a corresponding format according to the data type and sending the message to the corresponding service acquisition application program according to the identification of the service acquisition application program.
As a specific example, as shown in fig. 4, the data transmission method may include the steps of:
s401, the local management application program sends MQTT protocol message data to the electric power communication device.
S402, judging whether a communication channel of the power communication device is in an idle state or not. If yes, go to step S403; if not, step S402 is performed.
S403, acquiring the data type of the last transmission power communication device: such as a JSON type.
S404, judging whether the message with the data type of A-XDR format is preferentially acquired or not. If yes, go to step S406; if not, step S405 is executed.
S405, judging whether the message with the data type in the JSON format is acquired again. If yes, go to step S406; if not, step S407 is executed.
S406, recording the data type and providing basis for acquiring MQTT protocol message data next time.
And S407, sleeping for a moment.
S408, the local management application program sends related messages to the electric power communication device and waits for response messages.
And S409, starting a monitoring timer.
S410, judging whether the local management application program receives the response message. If yes, go to step S411; if not, step S412 is performed.
S411, the response message is sent to the corresponding service acquisition application program according to the data type and the identification of the service acquisition application program.
And S412, judging whether the monitoring timer reaches the preset time. If yes, go to step S413; if not, step S410 is performed.
S413, send the data type, the identifier of the service acquisition application program, and the timeout information to the corresponding service acquisition application program.
In summary, according to the data transmission method of the embodiment of the present invention, a plurality of MQTT protocol message data are received, where the plurality of MQTT protocol message data are sent by a plurality of service acquisition applications, then data types of the plurality of MQTT protocol message data are sequentially obtained, the MQTT protocol message data with the data type of the first data type is added to a first message queue to be sent, the MQTT protocol message data with the data type of the second data type is added to a second message queue to be sent, and finally, the MQTT protocol message data in the first message queue and the MQTT protocol message data in the second message queue are sent to the power communication device according to a preset rule. Therefore, according to the data types of the MQTT protocol message data sent by the plurality of service acquisition application programs, different data types are placed in the corresponding message queues, and then the data in the message queues are sent to the power communication device according to a certain rule, so that the MQTT protocol message data of two data types can be simultaneously supported, and different service communication requirements are met.
Corresponding to the above embodiment, the present invention further provides a data transmission device.
As shown in fig. 5, a data transmission apparatus 100 according to an embodiment of the present invention includes: the first receiving module 110, the first obtaining module 120, the message queue determining module 130, and the data transmitting module 140.
The first receiving module 110 is configured to receive multiple MQTT protocol message data, where the multiple MQTT protocol message data are sent by multiple service acquisition applications. The first obtaining module 120 is configured to sequentially obtain data types of the multiple MQTT protocol message data, where the data types include a first data type and a second data type. The message queue determining module 130 is configured to add MQTT protocol message data with a first data type to a first message queue to be sent, and add MQTT protocol message data with a second data type to a second message queue to be sent. The data sending module 140 is configured to send MQTT protocol message data in the first message queue and the second message queue to the power communication device according to a preset rule.
According to an embodiment of the present invention, the data sending module 140 sends MQTT protocol message data in the first message queue and the second message queue to the power communication device according to a preset rule, specifically to: alternately sending MQTT protocol message data in the first message queue and the second message queue to the power communication device; or alternately sending the MQTT protocol message data in the second message queue and the first message queue to the power communication device.
According to an embodiment of the present invention, after adding MQTT protocol message data to the first message queue to be sent, the message queue determining module 130 is further configured to: respectively acquiring the priority of MQTT protocol message data to be sent in a first message queue; adding MQTT protocol message data to be sent into a first message queue according to the sequence of the priority from high to low.
According to an embodiment of the present invention, after adding MQTT protocol message data to the second message queue to be sent, the message queue determining module 130 is further configured to: respectively acquiring the priority of MQTT protocol message data to be sent in the second message queue; and adding MQTT protocol message data to be sent into a second message queue according to the sequence of the priority from high to low.
According to an embodiment of the present invention, the message queue determining module 130 is further configured to, when the priorities of the MQTT protocol message data to be sent in the first message queue are the same, add the MQTT protocol message data to the first message queue according to the time sequence of receiving the MQTT protocol message data.
According to an embodiment of the present invention, the message queue determining module 130 is further configured to, when the priorities of the MQTT protocol message data to be sent in the second message queue are the same, add the MQTT protocol message data to the second message queue according to the time sequence of receiving the MQTT protocol message data.
According to an embodiment of the present invention, the data transmission apparatus 100 further includes: the second acquisition module is used for acquiring the data type transmitted by the last communication channel when the communication channel of the electric power communication device is determined to be in an idle state, acquiring MQTT protocol message data in the second message queue when the data type transmitted by the last communication channel is the first data type, and sending the MQT protocol message data to the electric power communication device when the MQTT protocol message data in the second message queue is determined to be successfully acquired.
According to an embodiment of the present invention, the second obtaining module is further configured to, when it is determined that the MQTT protocol message data in the second message queue is not successfully obtained or the second message queue is empty, obtain the MQTT protocol message data in the first message queue and send the MQTT protocol message data to the power communication device.
According to an embodiment of the present invention, the data transmission apparatus 100 further includes: and the second receiving module is used for receiving the response message of the power communication device and sending the response message to the corresponding service acquisition application program according to the data type and the identification of the service acquisition application program when the response message of the power communication device is determined to be received.
According to an embodiment of the present invention, the second receiving module is further configured to: and when the response message of the power communication device is not received within the preset time, the data type, the identification of the service acquisition application program and the overtime information are sent to the corresponding service acquisition application program.
According to one embodiment of the invention, the first data type is in A-XDR format and the second data type is in JSON format.
It should be noted that details that are not disclosed in the data transmission device according to the embodiment of the present invention refer to details disclosed in the data transmission method according to the embodiment of the present invention, and are not described herein again in detail.
According to the data transmission device provided by the embodiment of the invention, the first receiving module receives a plurality of pieces of MQTT protocol message data, the first obtaining module sequentially obtains the data types of the plurality of pieces of MQTT protocol message data, the message queue determining module adds the MQTT protocol message data with the data type of the first data type into a first message queue to be sent, and adds the MQTT protocol message data with the data type of the second data type into a second message queue to be sent, and the data sending module sends the MQTT protocol message data in the first message queue and the second message queue to the electric power communication device according to the preset rule. Therefore, the device puts different data types in corresponding message queues according to the data types of the MQTT protocol message data sent by a plurality of service acquisition application programs, and then sends the data in the message queues to the power communication device according to a certain rule, so that the MQTT protocol message data of two data types can be simultaneously supported, and different service communication requirements are met.
The invention further provides a computer readable storage medium corresponding to the above embodiment.
The computer-readable storage medium of the present invention stores thereon a data transmission program that realizes the above-described data transmission method when executed by a processor.
The computer-readable storage medium of the embodiment of the invention can simultaneously support the MQTT protocol message data of two data types by executing the data transmission method, thereby meeting the communication requirements of different services.
Corresponding to the embodiment, the invention further provides a fusion terminal.
As shown in fig. 6, the convergence terminal 200 of the present invention may include: the memory 210, the processor 220, and the data transmission program stored in the memory 210 and capable of running on the processor 220, when the processor 220 executes the data transmission program, the data transmission method described above is implemented.
The fusion terminal can simultaneously support MQTT protocol message data of two data types by executing the data transmission method, and meets different service communication requirements.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following technologies, which are well known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (22)

1. A method of data transmission, comprising:
receiving a plurality of message queues for telemetering and transmitting MQTT protocol message data, wherein the plurality of MQTT protocol message data are sent by a plurality of service acquisition application programs;
sequentially acquiring data types of the multiple MQTT protocol message data, wherein the data types comprise a first data type and a second data type, the first data type is in an A-XDR format, and the second data type is in a JSON format;
adding the MQTT protocol message data with the data type of the first data type into a first message queue to be sent, and adding the MQTT protocol message data with the data type of the second data type into a second message queue to be sent;
and transmitting the MQTT protocol message data in the first message queue and the second message queue to a power communication device through the same communication channel according to a preset rule.
2. The data transmission method according to claim 1, wherein the transmitting the MQTT protocol message data in the first message queue and the second message queue to a power communication device according to a preset rule comprises:
alternately sending the MQTT protocol message data in the first message queue and the second message queue to a power communication device; or alternatively
Alternately sending the MQTT protocol message data in the second message queue and the first message queue to a power communication device.
3. The data transmission method according to claim 1, wherein after adding the MQTT protocol message data to the first message queue to be sent, the method further comprises:
respectively acquiring the priority of the MQTT protocol message data to be sent in the first message queue;
and adding the MQTT protocol message data to be sent into a first message queue according to the sequence of the priority from high to low.
4. The data transmission method according to claim 1, wherein after adding the MQTT protocol message data to a second message queue to be sent, the method further comprises:
respectively acquiring the priority of the MQTT protocol message data to be sent in the second message queue;
and adding the MQTT protocol message data to be sent into a second message queue according to the sequence of the priority from high to low.
5. The data transmission method according to claim 3, wherein when the priorities of the MQTT protocol message data to be transmitted in the first message queue are the same, the MQTT protocol message data are added to the first message queue in chronological order of receiving the MQTT protocol message data.
6. The data transmission method according to claim 4, wherein when the priorities of the MQTT protocol message data to be transmitted in the second message queue are the same, the MQTT protocol message data are added to the second message queue in chronological order of receiving the MQTT protocol message data.
7. The data transmission method according to claim 1, wherein before transmitting the MQTT protocol message data in the first message queue and the second message queue to a power communication device, the method further comprises:
when the communication channel of the electric power communication device is determined to be in an idle state, acquiring the data type transmitted by the communication channel last time;
when the last data type transmitted by the communication channel is the first data type, acquiring the MQTT protocol message data in the second message queue;
and when the MQTT protocol message data in the second message queue are determined to be successfully acquired, the MQTT protocol message data are sent to the electric power communication device.
8. The data transmission method according to claim 7, wherein when it is determined that the MQTT protocol message data in the second message queue is not successfully acquired or the second message queue is empty, the MQTT protocol message data in the first message queue is acquired and sent to the power communication device.
9. The data transmission method according to any one of claims 1 to 8, further comprising:
receiving a response message of the power communication device;
and when the response message of the power communication device is determined to be received, sending the response message to the corresponding service acquisition application program according to the data type and the identification of the service acquisition application program.
10. The data transmission method according to claim 9, further comprising:
and when the response message of the electric power communication device is not received within preset time, sending the data type, the identification of the service acquisition application program and the overtime information to the corresponding service acquisition application program.
11. A data transmission apparatus, comprising:
the system comprises a first receiving module, a second receiving module and a processing module, wherein the first receiving module is used for receiving a plurality of MQTT protocol message data, and the plurality of MQTT protocol message data are sent by a plurality of service acquisition application programs;
the first acquisition module is used for sequentially acquiring data types of the multiple MQTT protocol message data, wherein the data types comprise a first data type and a second data type, the first data type is in an A-XDR format, and the second data type is in a JSON format;
a message queue determining module, configured to add the MQTT protocol message data with the data type of the first data type to a first message queue to be sent, and add the MQTT protocol message data with the data type of the second data type to a second message queue to be sent;
and the data sending module is used for sending the MQTT protocol message data in the first message queue and the second message queue to the electric power communication device through the same communication channel according to a preset rule.
12. The data transmission device according to claim 11, wherein the data sending module sends the MQTT protocol message data in the first message queue and the second message queue to the power communication device according to a preset rule, and is specifically configured to:
alternately sending the MQTT protocol message data in the first message queue and the second message queue to a power communication device; or alternatively
Alternately sending the MQTT protocol message data in the second message queue and the first message queue to a power communication device.
13. The data transmission apparatus according to claim 11, wherein the message queue determining module, after adding the MQTT protocol message data to the first message queue to be sent, is further configured to:
respectively acquiring the priority of the MQTT protocol message data to be sent in the first message queue;
and adding the MQTT protocol message data to be sent into a first message queue according to the sequence of the priority from high to low.
14. The data transmission apparatus according to claim 11, wherein the message queue determining module, after adding the MQTT protocol message data to a second message queue to be sent, is further configured to:
respectively acquiring the priority of the MQTT protocol message data to be sent in the second message queue;
and adding the MQTT protocol message data to be sent into a second message queue according to the sequence of the priority from high to low.
15. The data transmission device according to claim 13, wherein the message queue determining module is further configured to, when the priorities of the MQTT protocol message data to be sent in the first message queue are the same, add the MQTT protocol message data to the first message queue according to the time sequence of receiving the MQTT protocol message data.
16. The data transmission device according to claim 14, wherein the message queue determining module is further configured to, when the priorities of the MQTT protocol message data to be sent in the second message queue are the same, add the MQTT protocol message data to the second message queue according to the time sequence of receiving the MQTT protocol message data.
17. The data transmission apparatus of claim 13, further comprising:
the second obtaining module is configured to, when it is determined that a communication channel of the electric power communication device is in an idle state, obtain a data type transmitted by the communication channel last time, obtain, when the data type transmitted by the communication channel last time is the first data type, the MQTT protocol message data in the second message queue, and send, when it is determined that the MQTT protocol message data in the second message queue is successfully obtained, the MQTT protocol message data to the electric power communication device.
18. The data transmission device according to claim 17, wherein the second obtaining module is further configured to, when it is determined that the MQTT protocol message data in the second message queue is not successfully obtained or the second message queue is empty, obtain the MQTT protocol message data in the first message queue and send the MQTT protocol message data to the power communication device.
19. The data transmission apparatus according to any one of claims 11 to 18, further comprising:
and the second receiving module is used for receiving the response message of the electric power communication device and sending the response message to the corresponding service acquisition application program according to the data type and the identification of the service acquisition application program when the response message of the electric power communication device is determined to be received.
20. The data transmission device according to claim 19, wherein the second receiving module is further configured to send the data type, the identifier of the service acquisition application program, and the timeout information to the corresponding service acquisition application program when the response message of the power communication device is not received within a preset time.
21. A computer-readable storage medium, characterized in that a data transmission program is stored thereon, which when executed by a processor implements the data transmission method according to any one of claims 1 to 10.
22. A convergence terminal comprising a memory, a processor, and a data transmission program stored on the memory and executable on the processor, wherein the processor implements the data transmission method according to any one of claims 1-10 when executing the data transmission program.
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