CN114024878A - Data transmission method, device, medium and equipment - Google Patents
Data transmission method, device, medium and equipment Download PDFInfo
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- CN114024878A CN114024878A CN202111371758.2A CN202111371758A CN114024878A CN 114024878 A CN114024878 A CN 114024878A CN 202111371758 A CN202111371758 A CN 202111371758A CN 114024878 A CN114024878 A CN 114024878A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 claims description 46
- 238000004590 computer program Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
The invention discloses a data transmission method, a device, a medium and equipment, wherein the data transmission method comprises the following steps: setting the output state of the system debugging information as an activated state during startup, and outputting the debugging information to an upper computer; the method is used for stopping transmitting the debugging information when the upper computer does not need to receive the debugging information, and therefore occupation of a large amount of system resources and network resources is avoided.
Description
Technical Field
The present invention relates to the field of data transmission technologies, and in particular, to a data transmission method, apparatus, medium, and device.
Background
At present, in the debugging process of an embedded system, the embedded system generates a large amount of debugging information because different software modules generate the debugging information. Generally, an embedded device needs to transmit debugging information to a debugging tool of a Personal Computer (PC) through a serial port or other channels, and the debugging information is displayed in a display interface of the PC. Because the data size of the debugging information generated by the embedded device is very large, the embedded device still can generate the debugging information continuously when developers do not need to analyze the debugging information. This has the following problems: when the embedded device forms the debugging information into a data packet, a large amount of system resources are required to be occupied, and in addition, the process that the embedded device sends the debugging information to the PC also occupies a large amount of resources of a transmission channel.
Therefore, how to optimize the output manner of the debugging information of the embedded system becomes an urgent problem to be solved in the industry.
Disclosure of Invention
The embodiment of the invention provides a data transmission method, a data transmission device and electronic equipment, which are used for stopping transmitting debugging information when an upper computer does not need to receive the debugging information, and avoiding occupying a large amount of system resources and network resources.
In a first aspect, the present invention provides a data transmission method, including: setting the output state of the system debugging information as an activated state during startup, and outputting the debugging information to an upper computer; and starting a heartbeat detection mechanism to perform heartbeat detection, and stopping outputting debugging information to the upper computer when the heartbeat detection time length exceeds the set time length and the heartbeat data packet from the upper computer is still not received.
The data transmission method provided by the invention has the beneficial effects that: after a system of the upper computer is started, a heartbeat data packet is sent to the terminal equipment at intervals of setting, the heartbeat data packet is used for informing the upper computer that the debugging information can be normally received, and therefore when the terminal equipment exceeds the set duration, the heartbeat data packet from the upper computer is still not received, the upper computer can not normally receive the debugging information, the terminal stops outputting the debugging information to the upper computer, the debugging information is stopped being transmitted when the upper computer does not need to receive the debugging information, and a large number of system resources and network resources are prevented from being occupied.
In a possible implementation manner, when the heartbeat data packet from the upper computer is not received after exceeding the heartbeat detection duration, the method further includes: and stopping generating the debugging information, setting the output state of the system debugging information to be a dormant state, and adjusting the heartbeat detection time length to be infinite. The method stops generating the debugging information when the upper computer does not need to receive the debugging information, and avoids occupying a large amount of system resources.
In one possible embodiment, the method further comprises: continuously carrying out heartbeat detection, and when receiving a heartbeat data packet from the upper computer within the heartbeat detection time length, restoring to output debugging information to the upper computer; and adjusting the output state of the system debugging information from the dormant state to the activated state, and recovering the heartbeat detection time length to the set time length. The method can normally receive the debugging information at the upper computer, timely recover the transmission of the debugging information and avoid the missing transmission of the debugging information.
In one possible embodiment, outputting the debugging information to the upper computer includes: applying for a memory, and storing debugging information in the memory after forming a data packet; and sending the data packet to an upper computer through a transmission channel between the upper computer and the data packet.
In a possible embodiment, the stopping outputting the debugging information to the upper computer includes: stopping applying for the memory, and stopping forming the debugging information into a data packet and then storing the data packet in the memory; and stopping sending the data packet to the upper computer through a transmission channel between the upper computer and the data packet. The method is beneficial to reducing the occupied resources of the processor and the memory.
In a second aspect, an embodiment of the present invention further provides a data transmission apparatus, which includes a module/unit that performs any one of the design methods of the first aspect. These modules/units may be implemented by hardware, or by hardware executing corresponding software.
In a third aspect, an embodiment of the present invention provides a terminal device, which includes a processor and a memory. Wherein the memory is used to store one or more computer programs; the one or more computer programs stored in the memory, when executed by the processor, enable the terminal device to implement the method of any one of the possible designs of the first aspect described above.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a computer program, and when the computer program runs on an electronic device, the electronic device is caused to perform any one of the possible design methods of any one of the aspects.
In a fifth aspect, an embodiment of the present invention further provides a computer program product, which when run on a terminal, causes the electronic device to execute any one of the possible design methods of any one of the above aspects.
As for the advantageous effects of the above second to fifth aspects, reference may be made to the description in the above first aspect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an application scenario provided in an embodiment of the present invention;
fig. 2 is a schematic flow chart of a data transmission method according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of another data transmission method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a data transmission apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In describing embodiments of the present invention, the terminology used in the following embodiments is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the description of the invention and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise. It should also be understood that in the following embodiments of the present invention, "at least one", "one or more" means one or more than two (including two). The term "and/or" is used to describe an association relationship that associates objects, meaning that three relationships may exist; for example, a and/or B, may represent: a alone, both A and B, and B alone, where A, B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise. The term "coupled" includes both direct and indirect connections, unless otherwise noted. "first" and "second" 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.
In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
The data transmission method provided in the embodiment of the present invention may be applied to an application scenario as shown in fig. 1, where the application scenario includes an upper computer 100 and a terminal device 200.
The upper computer 100 is used for: and sending heartbeat data packets to the terminal equipment every a fixed time length after the debugging tool is normally started, and stopping sending the heartbeat data packets to the terminal equipment when the debugging tool is closed or is not in a state of receiving debugging information.
The terminal device 200 is configured to: setting the output state of the system debugging information as an activated state during startup, and outputting the debugging information to an upper computer; and starting a heartbeat detection mechanism to perform heartbeat detection, and stopping outputting debugging information to the upper computer when the heartbeat detection time length exceeds the set time length and the heartbeat data packet from the upper computer is still not received.
The upper computer 100 and the terminal device 200 may be connected through a wired or wireless network, and the terminal device 200 may be a terminal device with network communication capability, such as a smart phone, a tablet computer, or a portable personal computer. The upper computer 100 may be a server, or a server cluster or a cloud computing center formed by a plurality of servers.
Based on the application scenario diagram shown in fig. 1, an embodiment of the present invention provides a flow of a data transmission method, as shown in fig. 2, the flow of the method may be executed by an upper computer 100 and a terminal device 200, and the method includes the following steps:
and S201, the upper computer 100 sends heartbeat data packets to the terminal equipment every fixed time length after the debugging tool is normally started.
S202, setting the output state of the system debugging information as an activated state when the computer is started, and starting a heartbeat detection mechanism to carry out heartbeat detection.
And S203, when the heartbeat detection duration exceeds the set duration and receives a heartbeat data packet from the upper computer, outputting debugging information to the upper computer.
In this step, a possible implementation manner is that the upper computer is assumed to send a heartbeat data packet to the terminal device every fixed time (for example, 10 seconds), if the terminal device receives the heartbeat data packet within a set time (for example, 30 seconds), a memory is applied, and the debugging information is stored in the memory after forming the data packet; and then the data packet is sent to the upper computer through a transmission channel between the upper computer and the data packet.
And S204, the upper computer 100 stops sending the heartbeat data packet to the terminal equipment.
For example, the upper computer 100 stops sending the heartbeat packet to the terminal device when the debugging tool is turned off or is not in a state of receiving the debugging information.
S205, when the heartbeat detection time length exceeds the set time length and the heartbeat data packet from the upper computer is still not received, the output of debugging information to the upper computer is stopped.
In this step, a possible implementation manner is that, assuming that the debugging tool of the upper computer is closed, a heartbeat data packet is not sent to the terminal device any more, if the terminal device does not receive the heartbeat data packet within a set time (for example, 30 seconds), the application for the memory is stopped, and the debugging information is stored in the memory after being formed into the data packet; and stopping sending the data packet to the upper computer through a transmission channel between the upper computer and the data packet.
Optionally, when the heartbeat data packet from the upper computer is not received after the heartbeat detection time length exceeds, the terminal device stops generating the debugging information, the output state of the system debugging information is set to be a dormant state, and the heartbeat detection time length is adjusted to be infinite. The method stops generating the debugging information when the upper computer does not need to receive the debugging information, and avoids occupying a large amount of system resources.
In a possible embodiment, after the output of the debugging information to the upper computer is stopped, the method further includes: continuously carrying out heartbeat detection, and when receiving the heartbeat data packet from the upper computer again, recovering to output debugging information to the upper computer; and adjusting the output state of the system debugging information from the dormant state to the activated state, and recovering the heartbeat detection time length to the set time length. The method can normally receive the debugging information at the upper computer, timely recover the transmission of the debugging information and avoid the missing transmission of the debugging information.
The data transmission method is further described below with reference to the flowchart of the method shown in fig. 3.
S301, setting the output state Log _ alive of the system debugging information of the terminal as a default value when the terminal is started, namely, setting the output state Log _ alive as an activation state.
S302, the terminal starts a heartbeat detection mechanism to perform heartbeat detection.
S303, when the heartbeat detection duration exceeds the set duration and a heartbeat data packet from the upper computer is received, the output state of the acquired debugging information is an activated state, namely ACTIVE.
S304, when the heartbeat detection time length exceeds the set time length and the heartbeat data packet from the upper computer is still not received, setting the output state of the system debugging information to be a dormant state, and adjusting the heartbeat detection time length to be infinite.
S305, before the debugging information output interface generates the debugging information, judging whether the Log _ alive value is in an activated state or not, and if the Log _ alive value is in a deactivated state, directly returning; if the state is the activated state, whether the heartbeat data packet is received is judged, if the heartbeat data packet is received, the debugging information is output, and if the heartbeat data packet is not received, the debugging information is not output.
The debugging information output interface outputs debugging information, a memory is required to be applied first, and the debugging information is stored in the memory after being formed into a data packet; and then the data packet is sent to the upper computer through a transmission channel between the upper computer and the data packet.
In some embodiments of the present invention, an embodiment of the present invention discloses a data transmission apparatus, as shown in fig. 4, which is configured to implement the method described in the above method embodiments, and includes: a setting unit 401, an output unit 402, a detection unit 403, and a control unit 404.
A setting unit 401, configured to set an output state of the system debug information to an active state when the system is turned on;
an output unit 402 for outputting debugging information to the upper computer;
a detecting unit 403, configured to start a heartbeat detecting mechanism to perform heartbeat detection;
the control unit 404 is used for outputting debugging information to the upper computer when the heartbeat detection time length exceeds the set time length and a heartbeat data packet from the upper computer is received; and when the heartbeat detection time length exceeds the set time length and the heartbeat data packet from the upper computer is still not received, stopping outputting the debugging information to the upper computer. All relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and are not described herein again.
In other embodiments of the present invention, an embodiment of the present invention discloses a terminal device, and as shown in fig. 5, the terminal device may include: one or more processors 501; a memory 502; a display 503; one or more application programs (not shown); and one or more computer programs 504, which may be connected via one or more communication buses 505. Wherein the one or more computer programs 504 are stored in the memory 502 and configured to be executed by the one or more processors 501, the one or more computer programs 504 comprising instructions which may be used to perform the steps as in fig. 2 and the corresponding embodiments.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
Each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present invention may be implemented in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor to execute all or part of the steps of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: flash memory, removable hard drive, read only memory, random access memory, magnetic or optical disk, and the like.
The above description is only a specific implementation of the embodiments of the present invention, but the scope of the embodiments of the present invention is not limited thereto, and any changes or substitutions within the technical scope disclosed by the embodiments of the present invention should be covered within the scope of the embodiments of the present invention. Therefore, the protection scope of the embodiments of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A method of data transmission, the method comprising:
setting the output state of system debugging information as an activated state when starting up, and starting a heartbeat detection mechanism to carry out heartbeat detection;
when the heartbeat detection duration exceeds the set duration and a heartbeat data packet from the upper computer is received, debugging information is output to the upper computer;
and when the heartbeat detection time length exceeds the set time length and the heartbeat data packet from the upper computer is still not received, stopping outputting the debugging information to the upper computer.
2. The method of claim 1, wherein when no heartbeat data packet is received from the upper computer beyond a heartbeat detection duration, the method further comprises:
and stopping generating the debugging information, setting the output state of the system debugging information to be a dormant state, and adjusting the heartbeat detection time length to be infinite.
3. The method of claim 2, wherein after stopping outputting the debug information to the upper computer, the method further comprises:
continuously carrying out heartbeat detection, and when receiving the heartbeat data packet from the upper computer again, recovering to output debugging information to the upper computer;
and adjusting the output state of the system debugging information from the dormant state to the activated state, and recovering the heartbeat detection time length to the set time length.
4. The method according to any one of claims 1 to 3, wherein the outputting of the debugging information to the upper computer comprises:
applying for a memory, and storing debugging information in the memory after forming a data packet;
and sending the data packet to an upper computer through a transmission channel between the upper computer and the data packet.
5. The method according to any one of claims 1 to 3, wherein the stopping of the output of the debugging information to the upper computer comprises:
stopping applying for the memory, and stopping forming the debugging information into a data packet and then storing the data packet in the memory;
and stopping sending the data packet to the upper computer through a transmission channel between the upper computer and the data packet.
6. A data transmission apparatus, characterized in that the apparatus comprises:
the setting unit is used for setting the output state of the system debugging information to be an activated state when the computer is started;
the output unit is used for outputting debugging information to the upper computer;
the detection unit is used for starting a heartbeat detection mechanism to carry out heartbeat detection;
the control unit is used for outputting debugging information to the upper computer when the heartbeat detection duration exceeds the set duration and receives a heartbeat data packet from the upper computer; and when the heartbeat detection time length exceeds the set time length and the heartbeat data packet from the upper computer is still not received, stopping outputting the debugging information to the upper computer.
7. The apparatus according to claim 6, wherein when the heartbeat data packet from the upper computer is not received after exceeding the heartbeat detection duration, the control unit is further configured to:
stopping generating debugging information;
the setting unit is also used for setting the output state of the system debugging information to be a dormant state and adjusting the heartbeat detection duration to be infinite.
8. The apparatus of claim 6,
the detection unit is also used for continuously carrying out heartbeat detection;
the control unit is also used for recovering to output debugging information to the upper computer when receiving the heartbeat data packet from the upper computer in the heartbeat detection duration;
the setting unit is further configured to adjust an output state of the system debug information from a sleep state to an active state.
9. The apparatus according to any one of claims 6 to 8, wherein the output unit outputs debugging information to the upper computer, specifically configured to:
applying for a memory, and storing debugging information in the memory after forming a data packet;
and sending the data packet to an upper computer through a transmission channel between the upper computer and the data packet.
10. The device according to any one of claims 6 to 8, wherein the control unit stops outputting the debugging information to the upper computer, and is specifically configured to:
stopping applying for the memory, and stopping forming the debugging information into a data packet and then storing the data packet in the memory;
and stopping sending the data packet to the upper computer through a transmission channel between the upper computer and the data packet.
11. A terminal device, characterized in that it comprises a memory and a processor, the memory having stored thereon a computer program being executable on the processor, the computer program, when executed by the processor, causing the terminal device to carry out the method of any one of claims 1 to 5.
12. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method of any one of claims 1 to 5.
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| CN202111371758.2A CN114024878A (en) | 2021-11-18 | 2021-11-18 | Data transmission method, device, medium and equipment |
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Cited By (1)
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| CN114928559A (en) * | 2022-07-20 | 2022-08-19 | 合肥工业大学 | Industrial control software output effective judgment method based on heartbeat detection |
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Application publication date: 20220208 |