CN108111596B - Method for debugging power acquisition terminal based on remote login - Google Patents
Method for debugging power acquisition terminal based on remote login Download PDFInfo
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- CN108111596B CN108111596B CN201711369675.3A CN201711369675A CN108111596B CN 108111596 B CN108111596 B CN 108111596B CN 201711369675 A CN201711369675 A CN 201711369675A CN 108111596 B CN108111596 B CN 108111596B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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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
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/165—Combined use of TCP and UDP protocols; selection criteria therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
Abstract
The invention relates to a method for debugging an electric power acquisition terminal based on remote login, which comprises the following steps of (a) establishing a Telnet server on a local PC (personal computer), establishing a UDP (user Datagram protocol) server on the electric power acquisition terminal, establishing TCP (transmission control protocol) connection between the Telnet server and an upper computer on the local PC, and establishing UDP (user Datagram protocol) connection between the Telnet server and the electric power acquisition terminal; (b) selecting an electric power acquisition terminal to be accessed through an upper computer, and sending a debugging operation instruction to the selected electric power acquisition terminal by a Telnet server; (c) and the selected power acquisition terminal carries out debugging operation after receiving the instruction, feeds debugging information back to the Telnet server and displays the debugging information on the upper computer. Compared with the prior art, the remote debugging method provided by the invention can effectively improve the debugging efficiency, save the cost and improve the debugging precision.
Description
Technical Field
The invention relates to the field of communication, in particular to a method for debugging a power acquisition terminal based on remote login.
Background
At present, a dedicated acquisition terminal detection device (hereinafter referred to as a platform body) is used for an intelligent electric energy meter/metering terminal to perform automatic testing.
In order to realize simultaneous measurement of as many terminals as possible and improve the testing efficiency, the table body is generally manufactured with a large volume and many epitopes. But the debugging personnel is inconvenient to build a debugging environment on a test site; meanwhile, when the terminal is debugged through the serial port in the test mode, a debugging person needs to carry a notebook, a serial port line and the like, so that too much inconvenience is caused.
Disclosure of Invention
In view of the foregoing problems, an object of the present invention is to provide a method for debugging a power acquisition terminal based on telnet, which omits a huge testing device, allows a debugger to test multiple terminals through a virtual platform, and saves testing cost and time.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for debugging a power acquisition terminal based on remote login is characterized in that: the method comprises the following steps of,
(a) the method comprises the steps that a Telnet server is established on a local PC, a UDP server is established on a power acquisition terminal, and the Telnet server is connected with an upper computer on the local PC through TCP and connected with the power acquisition terminal through UDP;
(b) selecting an electric power acquisition terminal to be accessed through an upper computer, and sending a debugging operation instruction to the selected electric power acquisition terminal by a Telnet server;
(c) and the selected power acquisition terminal carries out debugging operation after receiving the instruction, feeds debugging information back to the Telnet server and displays the debugging information on the upper computer.
In order to freely select the power acquisition terminal to be debugged on the upper computer, the power acquisition terminal and the local PC are positioned in the same network segment, and the IP address of the master station of the power acquisition terminal is the IP address of the local PC.
Further, the creating of the Telnet server on the local PC in (a) above, where the Telnet server establishes a TCP connection with an upper computer located on the local PC, includes:
and establishing a Telnet server process on the local PC, wherein the Telnet server continuously monitors whether login access of the local PC exists or not, and establishes TCP connection with the upper computer through a Telnet protocol when the login access is monitored.
Further, the creating a Telnet server on the local PC in (a), where the Telnet server establishes a TCP connection with an upper computer on the local PC, further includes:
and after the Telnet server is connected with the upper computer, a UDP client is created, and the UDP client sends UDP data packets to the broadcast address of the subnet where the local PC is located so as to acquire the IP or serial numbers of all the power acquisition terminals in the same network segment and display the IP or serial numbers on the upper computer. The information such as the IP of all the power acquisition terminals is displayed on the upper computer, so that an operator can conveniently select the corresponding IP or serial number on the upper computer, and remote debugging can be realized, and convenience and rapidness are realized.
Further, the selecting, by the upper computer, the power acquisition terminal to be accessed in the step (b), and sending, by the Telnet server, the debugging operation instruction to the selected power acquisition terminal, includes:
the user inputs the serial number or the IP address of the power acquisition terminal to be accessed and an operation instruction through the upper computer, the Telnet server adds the serial number or the IP address into a console socket list, and the UDP client forwards an IP data packet corresponding to the operation instruction to the selected power acquisition terminal in a UDP mode.
Further, the selecting, by the upper computer, the power acquisition terminal to be accessed in the step (b), and sending, by the Telnet server, the debugging operation instruction to the selected power acquisition terminal, further includes:
and the IP data packet can activate ARP under Ethernet, the ARP maps a target broadcast address in the IP data packet into a corresponding Ethernet address, and a data frame corresponding to the Ethernet address is sent to the selected power acquisition terminal.
Further, the debugging operation is performed after the selected power collection terminal in (c) receives the instruction, and includes:
and the Ethernet interface of the selected power acquisition terminal receives the data frame and sends the data frame to the main control chip, and a bottom network card driver of the main control chip unpacks the data frame through an LwIP protocol stack and sends the unpacked content to an application layer of the main control chip through a tty serial port so as to execute corresponding debugging operation.
Further, the power collecting terminal selected in (c) performs debugging operation after receiving the instruction, and feeds back debugging information to the Telnet server, and the method further includes:
and the application layer packages the reply data to the bottom layer network card driver through a tty serial port after executing the operation, and the bottom layer network card driver packages the data packet, the port and the target IP into a UDP data packet and transmits the UDP data packet to the Ethernet interface, and the UDP data packet is sent to the Telnet server through the Ethernet interface.
Further, after the Telnet server sends the IP data packet in a UDP mode, whether the selected power acquisition terminal responds or not is judged, and response information is fed back to the upper computer. Through this kind of feedback, enable the operator and can know the state that electric power acquisition terminal is located on line in real time through the host computer, provide convenience for follow-up debugging.
Further, after the UDP client sends the IP data packet in a UDP manner, a heartbeat packet is sent to the UDP server on the selected power acquisition terminal every 30S to determine whether the upper computer is actively disconnected, and if so, the operation is ended.
Further, after sending the reply data to the Telnet server, the UDP server determines whether a heartbeat packet is monitored within two minutes, and if not, interrupts link connection.
Compared with the prior art, the invention has the advantages that: the electric power acquisition terminal is debugged by adopting a remote login mode, the problem that a large enough platform body is needed when a plurality of electric energy meters or metering terminals are debugged in the past is solved, enough terminals can be displayed on an upper computer by adopting a remote debugging mode, corresponding operation is carried out on the needed terminals, the difficulty in building and debugging environment is overcome, too many devices are required to be carried, the cost is saved, visual debugging is realized, and the debugging precision is improved.
Drawings
FIG. 1 is a debugging flow chart of the present invention.
Fig. 2 is a flowchart of the work of the local PC to build the Telnet server and the Telnet server according to the present invention.
Fig. 3 is a flowchart illustrating the operation of the power collection terminal of the present invention as a UDP server.
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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The invention relates to a method for debugging an electric power acquisition terminal based on remote login, which is characterized in that before remote debugging, remote connection is required to be established firstly, a Telnet protocol is mainly adopted for remote login in the embodiment, a working flow chart of a Telnet server and the Telnet server built by a local PC (personal computer) is shown in figure 2, and a working flow chart of the electric power acquisition terminal as a UDP (user Datagram protocol) server is shown in figure 3.
As shown in fig. 1, to implement remote login debugging, the power acquisition terminal and the local PC are first installed in the same network segment, and the IP of the master station of the power acquisition terminal is the IP of the local PC, so that subsequent debugging can be implemented.
In the embodiment, the connection between the upper computer and the local PC is established through a Telnet protocol, and the UDP connection is established between the local PC and the power acquisition terminal, namely, the Telnet server is positioned on the local PC, and the power acquisition terminal is used as a UDP server.
As shown in fig. 2, a TCP server process is first established in a local PC, and whether there is a port (the port is 127.0.0.1/200017) access of the local PC is continuously monitored, where the access mode may use any upper computer carrying a Telnet mode, such as a super terminal carrying a Telnet mode, such as SecureCRT, Xshell, and the like.
When the fact that a local PC logs in is monitored, the Telnet server establishes TCP connection with an upper computer located on the local PC, meanwhile, the Telnet server can establish a process again, the process is a UDP client, and the client sends a UDP data packet to a broadcast address (a port is 19001, namely a monitoring port of a collection terminal) of a subnet where the local PC is located so as to obtain IP or serial numbers of all power collection terminals in the same network segment and display the IP or serial numbers on the upper computer. The information such as the IP of all the power acquisition terminals is displayed on the upper computer, so that an operator can conveniently select the corresponding IP or serial number on the upper computer, and remote debugging can be realized, and convenience and rapidness are realized.
The Telnet server judges whether the upper computer selects the power acquisition terminal needing to be accessed, if so, sends a UDP (user Datagram protocol) data packet to the selected power acquisition terminal, judges whether the target IP has a response, and feeds response information back to the upper computer, wherein the method specifically comprises the following steps:
the user inputs the serial number or the IP address of the power acquisition terminal to be accessed and an operation instruction through the upper computer, the Telnet server adds the serial number or the IP address into a console socket list, and the UDP client forwards an IP data packet corresponding to the operation instruction to the selected power acquisition terminal in a UDP mode. And the IP data packet can activate ARP under Ethernet, the ARP maps a target broadcast address in the IP data packet into a corresponding Ethernet address, and a data frame corresponding to the Ethernet address is sent to the selected power acquisition terminal.
And after the Telnet server sends the IP data packet in a UDP mode, judging whether the selected power acquisition terminal has response or not, and feeding back response information to the upper computer. Through this kind of feedback, enable the operator and can know the state that electric power acquisition terminal is located on line in real time through the host computer, provide convenience for follow-up debugging.
And meanwhile, after the UDP client sends the IP data packet in a UDP mode, sending a heartbeat packet to a UDP server on the selected power acquisition terminal every 30S, judging whether the upper computer is actively disconnected, and if so, finishing the operation.
Fig. 3 is a corresponding operation flow of the power acquisition terminal, after the power acquisition terminal builds a UDP server, the power acquisition terminal continuously monitors whether access is available, if so, unpacks the received data packet through an LwIP protocol stack, and sends the unpacked content to an application layer through a tty serial port for execution, the application layer executes the operation and packs the reply data to a bottom network card driver, and the bottom network card driver packs the data packet, the port, and the target IP into a UDP data packet and sends the UDP data packet to a Telnet server, which is specifically as follows:
and the Ethernet interface of the selected power acquisition terminal receives the data frame and sends the data frame to the main control chip, and the network card driver at the bottom layer of the main control chip unpacks the data frame through the LwIP protocol stack and sends the unpacked content to the application layer of the main control chip through the tty serial port so as to execute corresponding debugging operation.
And the application layer packages the reply data to a bottom-layer network card driver through a tty serial port after executing operation, the bottom-layer network card driver packages a data packet, a port and a target IP into a UDP data packet and transmits the UDP data packet to an Ethernet interface, the Ethernet interface sends the UDP data packet to a Telnet server and judges whether a heartbeat packet is monitored within two minutes, and if not, the link connection is interrupted.
The Telnet protocol is a member of the TCP/IP protocol suite, is a standard protocol and main mode for Internet remote login services, and provides users with the capability of completing remote host work on a local computer.
Because the current test requires the platform body to complete the functionality/consistency test on the terminal in an Ethernet mode, each epitope of the platform body is ensured to be provided with an Ethernet port, and the IP addresses of the PC controlled by the platform body and the terminals are in the same network segment, which provides convenience for Telnet connection.
According to the invention, the power acquisition terminal is debugged in a remote login manner, so that the problem that a platform body with a large enough volume is needed when a plurality of electric energy meters or metering terminals are debugged in the past is solved, enough terminals can be displayed on the upper computer in a remote debugging manner, the needed terminals are correspondingly operated, the difficulty in building a debugging environment is overcome, too many devices are required to be carried, the cost is saved, the visual debugging is realized, and the debugging precision is improved.
In addition to the above-mentioned modifications, other similar modifications are also included in the scope of the modifications of the present invention, and are not described herein in detail. While embodiments of the invention have been shown and described, it will be understood by those skilled in the art that: many changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.
Claims (10)
1. A method for debugging a power acquisition terminal based on remote login is characterized in that: the method comprises the following steps of,
(a) the method comprises the steps that a Telnet server is established on a local PC, a UDP server is established on a power acquisition terminal, and the Telnet server is connected with an upper computer on the local PC through TCP and connected with the power acquisition terminal through UDP;
(b) selecting an electric power acquisition terminal to be accessed through an upper computer, and sending a debugging operation instruction to the selected electric power acquisition terminal by a Telnet server;
(c) the selected power acquisition terminal carries out debugging operation after receiving the instruction, and feeds debugging information back to the Telnet server for display on the upper computer;
the power acquisition terminal and the local PC are located in the same network segment, and the IP address of the master station of the power acquisition terminal is the IP address of the local PC.
2. The method of claim 1, wherein:
the step (a) of creating a Telnet server on the local PC, the step (a) of establishing a TCP connection between the Telnet server and an upper computer located on the local PC comprises,
and establishing a Telnet server process on the local PC, wherein the Telnet server continuously monitors whether login access of the local PC exists or not, and establishes TCP connection with the upper computer through a Telnet protocol when the login access is monitored.
3. The method of claim 2, wherein:
creating a Telnet server on the local PC in said (a), said Telnet server establishing a TCP connection with an upper computer located on the local PC further comprising,
and after the Telnet server is connected with the upper computer, a UDP client is created, and the UDP client sends UDP data packets to the broadcast address of the subnet where the local PC is located so as to acquire the IP or serial numbers of all the power acquisition terminals in the same network segment and display the IP or serial numbers on the upper computer.
4. The method of claim 3, wherein:
the power acquisition terminal needing to be accessed is selected through the upper computer in the step (b), the Telnet server sends the debugging operation instruction to the selected power acquisition terminal,
the user inputs the serial number or the IP address of the power acquisition terminal to be accessed and an operation instruction through the upper computer, the Telnet server adds the serial number or the IP address into a console socket list, and the UDP client forwards an IP data packet corresponding to the operation instruction to the selected power acquisition terminal in a UDP form.
5. The method of claim 4, wherein:
the step (b) of selecting the power acquisition terminal to be accessed through the upper computer, wherein the step (a) of sending the debugging operation instruction to the selected power acquisition terminal by the Telnet server further comprises the step (b),
and the IP data packet can activate ARP under Ethernet, the ARP maps a target broadcast address in the IP data packet into a corresponding Ethernet address, and a data frame corresponding to the Ethernet address is sent to the selected power acquisition terminal.
6. The method of claim 5, wherein:
the step (c) of debugging the selected power acquisition terminal after receiving the instruction comprises:
and the Ethernet interface of the selected power acquisition terminal receives the data frame and sends the data frame to the main control chip, and a bottom network card driver of the main control chip unpacks the data frame through an LwIP protocol stack and sends the unpacked content to an application layer of the main control chip through a tty serial port so as to execute corresponding debugging operation.
7. The method of claim 6, wherein:
the step (c) of debugging the selected power acquisition terminal after receiving the instruction and feeding back debugging information to the Telnet server further comprises,
and the application layer packages the reply data to a bottom layer network card driver through a tty serial port after executing operation, the bottom layer network card driver packages a data packet, a port and a target IP into a UDP data packet and transmits the UDP data packet to an Ethernet interface, and the Ethernet interface sends the UDP data packet to a Telnet server.
8. The method of claim 4, wherein:
and after the Telnet server sends the IP data packet in a UDP mode, judging whether the selected power acquisition terminal has response or not, and feeding back response information to the upper computer.
9. The method of claim 4, wherein:
and after the UDP client sends the IP data packet in a UDP mode, sending a heartbeat packet to a UDP server on the selected power acquisition terminal every 30S, judging whether the upper computer is actively disconnected, and if so, finishing the operation.
10. The method of claim 7, wherein:
and after sending the reply data to the Telnet server, the UDP server judges whether a heartbeat packet is monitored within two minutes, and if not, the link connection is interrupted.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108986437A (en) * | 2018-07-23 | 2018-12-11 | 宁波三星医疗电气股份有限公司 | A kind of electric power acquisition terminal monitoring adjustment method based on WIFI |
| CN109040274A (en) * | 2018-08-17 | 2018-12-18 | 江苏本能科技有限公司 | Traffic headend equipment networking method and system |
| CN109995615B (en) * | 2019-03-29 | 2022-04-26 | 宁波三星医疗电气股份有限公司 | Power acquisition terminal network port detection method |
| CN110166322B (en) * | 2019-05-29 | 2020-11-10 | 广东电网有限责任公司 | Detection method and related device for metering automation terminal |
| CN111756793B (en) * | 2020-04-30 | 2023-04-07 | 宁波三星医疗电气股份有限公司 | Operation method of power acquisition terminal |
| CN112202934A (en) * | 2020-08-20 | 2021-01-08 | 国网浙江省电力有限公司培训中心 | Debugging equipment network fast switching method and system applied to power monitoring system |
| CN113206829A (en) * | 2021-03-30 | 2021-08-03 | 新华三云计算技术有限公司 | Address information analysis device |
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