CN111444005A - Flow control method, flow control device, electronic device and storage medium - Google Patents
Flow control method, flow control device, electronic device and storage medium Download PDFInfo
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- CN111444005A CN111444005A CN202010240911.7A CN202010240911A CN111444005A CN 111444005 A CN111444005 A CN 111444005A CN 202010240911 A CN202010240911 A CN 202010240911A CN 111444005 A CN111444005 A CN 111444005A
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Abstract
The embodiment of the invention relates to a flow control method, a flow control device, electronic equipment and a storage medium, wherein the flow control method is suitable for an industrial personal computer of an unmanned vehicle (or called the unmanned vehicle or an automatic vehicle). The method comprises the following steps: determining that the flow use data is greater than or equal to a preset value, and the opposite end port is a communication port of an external network port; determining a process corresponding to the communication port; and managing and controlling the process. The embodiment of the invention solves the problem that a flow control method special for the unmanned vehicle aiming at reducing the consumption of the external flow is lacked at present, and achieves the purposes of reducing the consumption of the external flow and reducing the operation cost of the unmanned vehicle.
Description
Technical Field
The embodiment of the invention relates to the technical field of unmanned driving, in particular to a flow control method, a flow control device, electronic equipment and a storage medium.
Background
The unmanned vehicle is an intelligent vehicle which senses the road environment through a vehicle-mounted sensing system, automatically plans a driving route and controls the vehicle to reach a preset target. The intelligent control system integrates a plurality of technologies such as automatic control, a system structure, artificial intelligence, visual calculation and the like, is a product of high development of computer science, mode recognition and intelligent control technologies, is an important mark for measuring national scientific research strength and industrial level, and has wide application prospect in the fields of national defense and national economy.
In the operation process of the unmanned vehicle, the whole vehicle can communicate with the outside to receive and send some data messages and the like, the data messages are sent out through the SIM card router, and the external flow is used. And the external traffic needs to be obtained by purchasing a carrier traffic package, and the cost is about 3 yuan/1G. During operation of the unmanned vehicle, daily external traffic is consumed in large quantities (at least more than ten G), and the cost of external traffic is not very optimistic. However, a flow control method for an unmanned vehicle for the purpose of reducing the consumption of external flow is currently lacking.
Disclosure of Invention
At least one embodiment of the present invention provides a flow management and control method, an apparatus, an electronic device, and a storage medium, which solve the problem of the lack of a flow management and control method for an unmanned vehicle, which aims to reduce the consumption of external flow.
In a first aspect, an embodiment of the present invention provides a flow control method, where the flow control method is applied to an industrial personal computer of an unmanned vehicle, and the flow control method includes:
determining that the flow use data is greater than or equal to a preset value, and the opposite end port is a communication port of an external network port;
determining a process corresponding to the communication port;
and managing and controlling the process.
In a second aspect, an embodiment of the present invention further provides a flow control device, where the flow control device is used to control a flow of an industrial personal computer of an unmanned vehicle, and the flow control device includes:
the communication port determining module is used for determining that the flow use data is larger than or equal to a preset value, and the opposite end port is a communication port of an external network port;
the process determining module is used for determining a process corresponding to the communication port;
and the process control module is used for controlling the process.
In a third aspect, an embodiment of the present invention further provides an electronic device, including: a processor and a memory;
the processor is configured to perform the steps of any of the methods described above by calling a program or instructions stored in the memory.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, which stores a program or instructions, where the program or instructions cause a computer to execute the steps of any one of the above methods.
The flow control method provided by the embodiment of the invention is suitable for an industrial personal computer of an unmanned vehicle, and is characterized in that flow use data is determined to be greater than or equal to a preset value, and an opposite end port is a communication port of an external network port; determining a process corresponding to the communication port; the process is controlled, essentially, a flow control method specially for the unmanned vehicle is provided, the problem that a flow control method specially for the unmanned vehicle aiming at reducing the consumption of external flow is lacked at present is solved, and the purposes of reducing the consumption of the external flow and reducing the operation cost of the unmanned vehicle are achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a flow chart of a method for flow management provided by an embodiment of the present invention;
fig. 2 is a code screenshot for installing an iftop according to an embodiment of the present invention;
FIG. 3 is a flow chart of another flow management method according to an embodiment of the present invention;
fig. 4 is a schematic diagram of traffic usage of each communication port according to an embodiment of the present invention;
fig. 5 is a schematic diagram of traffic usage of another communication port operating for 1 hour according to an embodiment of the present invention;
fig. 6 is a code screenshot of a process for determining a communication port based on a port number of the communication port according to an embodiment of the present invention;
fig. 7 is a code screenshot of another process for determining a communication port based on a port number of the communication port according to the embodiment of the present invention;
fig. 8 is a block diagram of a flow control device according to an embodiment of the present invention;
fig. 9 is a block diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Aiming at the problem that a flow control method specially for an unmanned vehicle aiming at reducing consumption of external flow is lacked in the prior art, the embodiment of the disclosure provides a flow control scheme which specially controls the flow of the unmanned vehicle, can reduce consumption of the external flow and reduce operation cost of the unmanned vehicle.
Fig. 1 is a flowchart of a flow control method according to an embodiment of the present invention. The flow control method is suitable for an industrial personal computer of an unmanned vehicle. The method comprises the following steps:
s110, determining that the flow use data is larger than or equal to a preset value, and the opposite end port is a communication port of an external network port.
Wherein the flow usage data includes at least one of an average usage flow value per unit time, a total usage flow value per unit time, and a flow peak value per unit time. A
The preset value can be set according to the requirements of a user, or can be uniformly set according to the experience of workers when the unmanned vehicle leaves a factory, which is not limited in the application.
During operation of the unmanned vehicle, communication includes two situations: the method has the advantages that internal communication, namely communication among all hardware connected with an internal local area network of the unmanned vehicle uses internal flow, and flow cost cannot be generated; and the second is external communication, namely external communication of the whole vehicle, and the use of external flow can generate flow cost.
In this step, the opposite port is a communication port of the external network port, and the communication performed by the opposite port is external communication. The essence of this step is to identify a communication port that consumes a large amount of external traffic among communication ports used for external communication.
There are various methods for determining that the opposite port is the communication port of the external network port, which is not limited in the present application. Illustratively, if the IP address of the communication port and the network number of the IP address of the opposite port are different, the opposite port of the communication port is an external network port. The determination mode is simple and convenient, is easy to realize, and can effectively reduce the calculated amount of the industrial personal computer.
And S120, determining a process corresponding to the communication port.
The communication port in this step is the communication port determined in S120 and satisfying that "the traffic usage data is greater than or equal to the preset value, and the opposite port is the external network port".
The implementation method of this step has many kinds, exemplarily, the corresponding process can be determined through the port number of the communication port; or determining the PID of the process corresponding to the communication port; based on the PID of the process, the process corresponding to the communication port is determined.
Firstly, determining the PID of a process corresponding to a communication port; the method for determining the process corresponding to the communication port based on the PID of the process can directly determine the script file storage address of the process, and facilitates the subsequent optimization of the script of the process.
And S130, managing and controlling the process.
The implementation method of the step has various types, illustratively, the script of the process is adjusted; and/or adjusting the execution state of the process.
The adjusting of the script of the process means that the script of the process is modified and optimized, so that the process can run in a more flow-saving manner.
Adjusting the execution state of a process means ending the process.
Optionally, the management and control manner of the process may be determined according to the function of the process, such as adjusting a script of the process; or, adjusting the execution state of the process.
The flow control method provided by the embodiment of the invention is suitable for an industrial personal computer of an unmanned vehicle, and is characterized in that flow use data is determined to be greater than or equal to a preset value, and an opposite end port is a communication port of an external network port; determining a process corresponding to the communication port; the flow control method specially for the unmanned vehicle is provided, the problem that the flow control method specially for the unmanned vehicle aiming at reducing the consumption of external flow is lacked at present is solved, and the purposes of reducing the consumption of the external flow and reducing the operation cost of the unmanned vehicle are achieved.
Alternatively, the flow management method described above is applied to the caros system of an industrial personal computer of an unmanned vehicle. The flow control method is realized by using the iftop. Wherein iftop is a real-time traffic monitoring tool similar to top. Its official website: http:// www.ex-parrot. com/pdw/iftop/. The iftop can be used for monitoring the real-time flow (network segments can be specified) of the network card, reversely resolving the IP, displaying port information and the like.
It should be noted that, currently, iftops are applicable to linux systems and not applicable to car systems, L inux systems mostly adopt yum to directly install iftops, because of the difference between a car system used by an industrial personal computer and a standard linux, the iftops cannot be directly installed by yum, installation packages need to be manually downloaded, in addition, because of the authority problem of a kernel of a car system, the iftops cannot be used to directly access a system process IP (IP is displayed as a boot), a certain environment needs to be collocated, and super authority needs to be opened for the iftops.
Fig. 3 is a flow chart of another flow management method according to an embodiment of the present invention. The flow control method provided in the present application is further described below with reference to fig. 3, taking the example of flow control using iftop under caros as an example. The flow control method comprises the following steps:
s310, checking the traffic use condition of each communication port.
Illustratively, the sudo iftop-i eth0 command is used to view traffic usage of each communication port. Fig. 4 is a schematic diagram of traffic usage of each communication port according to an embodiment of the present invention. In fig. 4, two rows of data in the area M represent traffic usage of one communication connection, and in fig. 4, traffic usage of 18 communication connections is shown. Area a gives the IP address of the communication port provided on the unmanned vehicle and area B the IP address of the opposite port communicating with the communication port in area a. The "< ═ and" ═ in the region B "indicate the direction of flow. Three columns of data are shown in region C, representing average flow in the past 2s, average flow in the past 10s, and average flow in the past 40s, respectively, from left to right.
S320, according to the traffic service condition of each communication port, determining that the traffic service data is larger than or equal to a preset value, and the opposite port is a communication port of an external network port.
Optionally, after the industrial personal computer operates for a period of time, the flow use condition of each communication port can be counted by inputting T without exiting the iftop interface.
Fig. 5 is a schematic diagram of traffic usage of another communication port operating for 1 hour according to an embodiment of the present invention. In fig. 5, four columns of data in the area C represent, from left to right, the total traffic used by the communication connection after 1 hour of operation, the average traffic of the past 2s, the average traffic of the past 10s, and the average traffic of the past 40s, respectively.
Illustratively, for a communication port on the industrial personal computer having an IP address of 1192.168.10.6:2568, data from a port having an IP address of 192.168.10.112:2568 is received. Since the two IP addresses are local area network IP addresses in the same field (i.e. the two IP addresses have the same network number), internal traffic is consumed, and 3.31G is consumed. In fact, according to the latter the IP (i.e. 192.168.10.112:2568) corresponds to the chassis-line lidar. That is to say, the flow rate of the chassis radar sent to the industrial personal computer within one hour reaches 3.31G.
For the port with the IP address of 1192.168.10.6:35721 on the industrial personal computer, data from the port with the IP address of 202.106.5.12:1884 are received. Since the network numbers of the IP addresses of the two ports are different, the port with the IP address of 202.106.5.12:1884 is the external port, the external traffic is consumed, and 103Mb is consumed in one hour.
Assuming that the traffic usage data takes a total usage traffic value of one hour and the predetermined preset value is 50Mb, it can be seen from fig. 5 that all the communication connections encircled by the frame D consume external traffic. Through judgment, only the port with the IP address of 1192.168.10.6:35721 on the industrial personal computer in the wire frame D meets the conditions that the traffic use data are larger than or equal to the preset value and the opposite port is the external network port.
S330, determining the process corresponding to the communication port.
The communication port in this step is the communication port determined in S320, and satisfies that "the traffic usage data is greater than or equal to the preset value, and the opposite port is the external network port".
The specific implementation method of this step may be to, under the condition that the iftop window is not closed, open another window, utilize the port number of the sudo netstat-ntlup | grep, or utilize the port number of the sudo lsof-i to obtain a process corresponding to the communication port that satisfies the conditions that the traffic usage data is greater than or equal to the preset value and the port at the opposite end is the extranet port.
Fig. 6 is a code screenshot of a process for determining a communication port based on a port number of the communication port according to an embodiment of the present invention. Referring to fig. 6, the IP address in the industrial personal computer is 192.168.10.6: 55616 port, consuming a large amount of external traffic, up to 1 Mb/s. The PID of the process is known as 2686 by "sudo lsof-i 55616" resolving the port number backwards. The detailed information of the process (such as the storage address of the process PID script file) can be known through the "ps-ef | grep 2686", and the state _ collector. py script uses a large amount of external traffic.
Fig. 7 is a code screenshot of another process for determining a communication port based on a port number of the communication port according to the embodiment of the present invention. Referring to fig. 7, a communication port with a port number 2568 in the industrial personal computer consumes a large amount of external traffic. By "sudo netstat-ntlup | grep 2568" reverse resolving the port number, the PID of the process is known to be 3729, and the process name is mailboard.
And S340, managing and controlling the process.
The flow control method provided by the embodiment of the invention is suitable for an industrial personal computer of an unmanned vehicle, and is characterized in that flow use data is determined to be greater than or equal to a preset value, and an opposite end port is a communication port of an external network port; determining a process corresponding to the communication port; the flow control method specially for the unmanned vehicle is provided, the problem that the flow control method specially for the unmanned vehicle aiming at reducing the consumption of external flow is lacked at present is solved, and the purposes of reducing the consumption of the external flow and reducing the operation cost of the unmanned vehicle are achieved.
Fig. 8 is a block diagram of a flow control device according to an embodiment of the present invention, referring to fig. 8, the flow control device is used for controlling a flow of an industrial personal computer of an unmanned vehicle, and the flow control device includes: a communication port determination module 810, a process determination module 820, and a process administration module 830.
A communication port determining module 810, configured to determine that traffic usage data is greater than or equal to a preset value, and an opposite port is a communication port of an external network port;
a process determining module 820, configured to determine a process corresponding to the communication port;
and a process control module 830, configured to control the process.
Further, the flow control device is suitable for a caros system of an industrial personal computer of an unmanned vehicle, and is realized by using an iftop.
Further, the caros system has installed therein a libpcap library, a flex plug-in, a bison plug-in, and a libcurese library.
Further, the flow usage data includes at least one of an average usage flow value per unit time, a total usage flow value per unit time, and a flow peak value per unit time.
Further, if the network numbers of the IP address of the communication port and the IP address of the opposite port are different, the opposite port of the communication port is an external network port.
Further, a process determining module 820, configured to determine a PID of a process corresponding to the communication port;
determining a process corresponding to the communication port based on the PID of the process.
Further, the process management and control module 830 is configured to at least one of adjust the script of the process and adjust the execution state of the process.
The flow control device provided in the embodiments of the present application can execute the flow control method provided in any embodiments of the present application, and has functional modules and beneficial effects corresponding to the execution method, which are not described herein again.
Fig. 9 is a block diagram of an electronic device according to an embodiment of the present application. Referring to fig. 9, the electronic device includes: at least one processor 601, at least one memory 602, and at least one communication interface 603. The various components in the electronic device are coupled together by a bus system 604. A communication interface 603 for information transmission with an external device. It is understood that the bus system 604 is used to enable communications among the components. The bus system 604 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, the various buses are labeled as bus system 604 in fig. 9.
It will be appreciated that the memory 602 in this embodiment can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory.
In some embodiments, memory 602 stores the following elements, executable units or data structures, or a subset thereof, or an expanded set thereof: an operating system and an application program.
The operating system includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application programs, including various application programs such as a Media Player (Media Player), a Browser (Browser), etc., are used to implement various application services. The program for implementing the no-flow management and control method provided by the embodiment of the present application may be included in an application program.
In this embodiment of the present application, the processor 601 is configured to execute the steps of the flow control method provided in this embodiment of the present application by calling a program or an instruction stored in the memory 602, which may be specifically a program or an instruction stored in an application program.
The flow control method provided by the embodiment of the application can be applied to the processor 601, or implemented by the processor 601. The processor 601 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 601. The Processor 601 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable Gate Array (FPGA) or other programmable logic device, discrete Gate or transistor logic device, or discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The steps of the flow management and control method provided by the embodiment of the application can be directly embodied as the execution of a hardware decoding processor, or the execution of the hardware decoding processor and a software unit in the decoding processor is combined. The software elements may be located in ram, flash, rom, prom, or eprom, registers, among other storage media that are well known in the art. The storage medium is located in a memory 602, and the processor 601 reads the information in the memory 602 and performs the steps of the method in combination with its hardware.
The electronic device may further include one or more physical components to implement control of the unmanned vehicle according to instructions generated by the processor 601 when executing the flow management method provided by the embodiments of the present application. Different physical components may be provided in or out of the unmanned vehicle, such as a cloud server or the like. The various physical components cooperate with the processor 601 and the memory 602 to implement the functions of the electronic device in this embodiment.
Embodiments of the present application also provide a computer-readable storage medium storing a program or instructions, which when executed by a computer, is configured to perform a method for flow management, the method including:
determining that the flow use data is greater than or equal to a preset value, and the opposite end port is a communication port of an external network port;
determining a process corresponding to the communication port;
and managing and controlling the process.
Optionally, the computer executable instructions, when executed by the computer processor, may be further configured to implement the solution of the flow management method provided in any embodiment of the present application.
Based on the understanding that the technical solutions of the present application can be embodied in the form of software products, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a flash Memory (F L ASH), a hard disk or an optical disk of a computer, and the like, and include instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods described in the embodiments of the present application.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A flow control method is characterized in that the flow control method is suitable for an industrial personal computer of an unmanned vehicle, and comprises the following steps:
determining that the flow use data is greater than or equal to a preset value, and the opposite end port is a communication port of an external network port;
determining a process corresponding to the communication port;
and managing and controlling the process.
2. The flow management method according to claim 1, wherein the flow management method is applied to a caros system of an industrial personal computer of an unmanned vehicle, and the flow management method is implemented using an iftop.
3. The flow management method according to claim 2, wherein a libpcap library, a flex plug, a bison plug, and a libcurese library are installed in the caros system.
4. The flow management method according to any one of claims 1 to 3,
the flow usage data includes at least one of an average usage flow value per unit time, a total usage flow value per unit time, and a flow peak value per unit time.
5. A method of flow management according to any of claims 1-3, further comprising:
and if the IP address of the communication port is different from the network number of the IP address of the opposite port, the opposite port of the communication port is an external network port.
6. A method of flow management according to any of claims 1-3, further comprising:
the determining a process corresponding to the communication port includes:
determining a PID of a process corresponding to the communication port;
determining a process corresponding to the communication port based on the PID of the process.
7. The method of flow management according to any one of claims 1-6, further comprising:
the managing and controlling the process includes:
at least one of adjusting a script of the process and adjusting an execution state of the process.
8. The utility model provides a flow management and control device, its characterized in that, flow management and control device is used for the industrial computer flow management and control to unmanned vehicle, flow management and control device includes:
the communication port determining module is used for determining that the flow use data is larger than or equal to a preset value, and the opposite end port is a communication port of an external network port;
the process determining module is used for determining a process corresponding to the communication port;
and the process control module is used for controlling the process.
9. An electronic device, comprising: a processor and a memory;
the processor is adapted to perform the steps of the method of any one of claims 1 to 7 by calling a program or instructions stored in the memory.
10. A computer-readable storage medium, characterized in that it stores a program or instructions for causing a computer to carry out the steps of the method according to any one of claims 1 to 7.
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Application publication date: 20200724 |