CN115314481B - IEC101/IEC 104-based communication method and system for simulating master station - Google Patents
IEC101/IEC 104-based communication method and system for simulating master station Download PDFInfo
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- CN115314481B CN115314481B CN202210748276.2A CN202210748276A CN115314481B CN 115314481 B CN115314481 B CN 115314481B CN 202210748276 A CN202210748276 A CN 202210748276A CN 115314481 B CN115314481 B CN 115314481B
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- 238000004891 communication Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004088 simulation Methods 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 230000001960 triggered effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- H04L69/26—Special purpose or proprietary protocols or architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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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
- H04L43/50—Testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0869—Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The application discloses an IEC101/IEC 104-based simulation master station communication method and system, which mainly relate to the technical field of simulation communication and are used for solving the problems that the existing simulation master station software cannot support switching of two protocols at the same time and cannot be compatible with a server side and a client side at the same time. Comprising the following steps: setting respective selection keys of an IEC101 protocol and an IEC104 protocol; acquiring IEC104 communication protocol parameters; acquiring IEC101 communication protocol parameters; after the communication connection between the simulation master station and the access terminal is completed based on the IEC104 communication protocol parameter or the IEC101 communication protocol parameter, a test flow of the access terminal is obtained to test the access terminal. The application realizes the switching supporting two protocols by the method, and is compatible with equipment and a master station.
Description
Technical Field
The application relates to the technical field of power distribution equipment simulation, in particular to a communication method and system of a simulation master station based on IEC101/IEC 104.
Background
The power distribution equipment simulation master station software is software which is convenient for development and debugging progress of development and debugging personnel, can replace the function of the master station, and provides more functions convenient for debugging work. The simulation master station software is divided into 101, 104 and 104, the simulation master station supports the test of 104 protocol of communication through TCP/IP, and the simulation master station software supports the test of 101 protocol of serial communication.
However, the existing simulation master station software is only based on one of 101 or 104, and cannot support switching of two protocols at the same time. In addition, the existing 104 simulation master station software only usually supports a client (access device) mode, but the situation that the device is used on site is changeable, and when the device is switched to a client, the simulation master station cannot test.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an IEC101/IEC 104-based communication method and system for simulating a master station, which are used for solving the technical problems.
In a first aspect, the application provides an IEC101/IEC 104-based communication method for an analog master station, comprising the following steps: setting respective selection keys of an IEC101 protocol and an IEC104 protocol on a preset setting interface; when the fact that the selection key of the IEC104 protocol is triggered is detected, acquiring port information of the simulation master station and IEC104 communication protocol parameters; wherein, the port information is: a server or a client; when the detection of the IEC101 protocol selection key is triggered, acquiring IEC101 communication protocol parameters of the simulation master station; after communication connection between the simulation master station and the access terminal is completed based on IEC104 communication protocol parameters or IEC101 communication protocol parameters, acquiring a test flow of the access terminal; after the test is completed, communication transmission between the access terminal and the access terminal is performed.
Further, the test flow at least includes: encryption flow, general recall flow, remote control flow, parameter setting flow, file reading flow and file upgrading flow.
Further, after acquiring the test flow of the access terminal, the method further comprises: when the test flow is an encryption flow, acquiring an encryption mode through a preset configuration interface; based on the encryption mode, encrypting and transmitting communication data between the analog master station and the access terminal; to complete the testing of the encryption flow.
Further, before acquiring the test flow corresponding to the access terminal, the method further includes: acquiring connection information corresponding to an access terminal, and displaying the connection information through a preset multi-client management interface; wherein, the connection information at least comprises: access terminal IP, access terminal port number, last access time, and number of accesses; and generating an initialization flow instruction, and initializing the flow of the access terminal to be tested.
Further, the communication connection between the analog master station and the access terminal is completed based on the IEC104 communication protocol parameter or the IEC101 communication protocol parameter, which specifically comprises the following steps: based on IEC104 communication protocol parameters, the simulation master station initiates a connection request to the gateway to require connection with the access terminal; the gateway initiates TCP connection with the access terminal and performs bidirectional identity authentication between the gateway and the access terminal; after the authentication is determined to be successful, returning a result of successful connection to the simulation master station through the gateway; the simulation master station starts to initiate connection with the terminal, and performs bidirectional identity authentication between the master station and the terminal; after the authentication is determined to be successful, the simulation master station reads the chip serial number and the key version of the access terminal; and then the communication connection between the analog master station and the access terminal is completed.
In a second aspect, the present application provides an IEC101/IEC104 based simulated primary station communication system, the system comprising: the setting module is used for setting the respective selection keys of the IEC101 protocol and the IEC104 protocol on a preset setting interface; the acquisition module is used for acquiring port information of the simulation master station and IEC104 communication protocol parameters when detecting that a selection key of the IEC104 protocol is triggered; wherein, the port information is: a server or a client; the method is also used for acquiring IEC101 communication protocol parameters of the simulation master station when the selection key of the IEC101 protocol is detected to be triggered; the communication module is used for acquiring a test flow of the access terminal after the communication connection between the simulation master station and the access terminal is completed based on the IEC104 communication protocol parameter or the IEC101 communication protocol parameter; after the test is completed, communication transmission between the access terminal and the access terminal is performed.
Further, the system also comprises a flow initialization module; the method comprises the steps of acquiring connection information corresponding to an access terminal, and displaying the connection information through a preset multi-client management interface; wherein, the connection information at least comprises: access terminal IP, access terminal port number, last access time, and number of accesses; and generating an initialization flow instruction, and initializing the flow of the access terminal to be tested.
As will be appreciated by those skilled in the art, the present invention has at least the following beneficial effects:
The simulation master station is compatible with two access protocols by constructing a preset configuration interface and setting respective selection keys of an IEC101 protocol and an IEC104 protocol, and the simulation master station can be switched between a server side or a client side by configuring port information of the simulation master station. In addition, the application can take the access terminal as a client and simulate the master station as a server for communication, thereby realizing the support of multi-client access. Multiple authentications are involved in the process of accessing the access terminal to the analog master station, so that confidentiality and integrity of data transmission between the access terminal and the analog master station are guaranteed, and bidirectional identity authentication between the analog master station and the access terminal is realized; the method mainly prevents malicious damage and attacks and other illegal operations of the distribution master station system in the forms of counterfeited terminal identities, replay attacks and the like so as to prevent distribution network system accidents caused by the malicious damage and attacks.
Drawings
Some embodiments of the present disclosure are described below with reference to the accompanying drawings, in which:
Fig. 1 is a flowchart of a communication method of an analog master station based on IEC101/IEC104 according to an embodiment of the application.
Fig. 2 is a schematic diagram of an internal structure of an IEC101/IEC 104-based communication system of the present application.
Detailed Description
It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present disclosure, and do not represent that the present disclosure can be realized only by the preferred embodiments, which are merely for explaining the technical principles of the present disclosure, not for limiting the scope of the present disclosure. Based on the preferred embodiments provided by the present disclosure, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort shall still fall within the scope of the present disclosure.
It should also be noted that 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The following describes the technical scheme provided by the embodiment of the application in detail through the attached drawings.
The embodiment of the application also provides a communication method of the simulation master station based on IEC101/IEC104, as shown in FIG. 1, the method provided by the embodiment of the application mainly comprises the following steps:
Step 110, setting respective selection keys of an IEC101 protocol and an IEC104 protocol on a preset setting interface.
And 120, when the trigger of the selection key of the IEC104 protocol is detected, acquiring port information of the simulation master station and IEC104 communication protocol parameters.
It should be noted that, port information corresponding to the analog master station is: a server or a client. The simulation master station can realize the switching between the service end and the client (access terminal) according to the selection of the port information.
And 130, acquiring IEC101 communication protocol parameters of the simulation master station when the selection key of the IEC101 protocol is triggered.
Specifically, a preset communication protocol parameter acquisition interface exists, so that the acquisition of the communication protocol parameters is realized.
Step 140, after completing communication connection between the simulation master station and the access terminal based on the IEC104 communication protocol parameter or the IEC101 communication protocol parameter, acquiring a test flow of the access terminal; after the test is completed, communication transmission between the access terminal and the access terminal is performed.
It should be noted that the test flow at least includes: encryption flow, general recall flow, remote control flow, parameter setting flow, file reading flow and file upgrading flow.
Before the test flow corresponding to the access terminal is obtained, the method further comprises the following steps: acquiring connection information corresponding to an access terminal, and displaying the connection information through a preset multi-client management interface; wherein, the connection information at least comprises: access terminal IP, access terminal port number, last access time, and number of accesses; and generating an initialization flow instruction, and initializing the flow of the access terminal to be tested.
In the server mode, when the terminal is connected as a client, the process of obtaining the connection information may specifically be: the environment is developed by using Visual Studio 2010, and the NET Framework 4 Framework is integrated, and a C# language NET Framework 4 Framework platform is used for realizing a simulation master station of the TCP respectively. Firstly, the simulation master station creates a corresponding instance object by using a Socket class; secondly, configuring a network port and an IP address; calling Bind (EndPoint localEP) function creation server of Socket object to monitor; the creation thread executes a Socket Accept () function, after monitoring the connection of the access terminal, notifies the access terminal information to the access interface of the access terminal through an event, creates a thread to analyze the received access terminal message, the connection mode is long connection, does not actively close the connection of the access terminal, and disconnects the connection with all the access terminals when the server is closed. And constructing a global variable clientdic at an access terminal access interface, wherein the type is a Dictionary, the key value is a client IP of a character string type, the value is access terminal information of a Socket type, the server terminal records clientdic the access terminal information transmitted by an event, and when the communication access terminal is switched, the Socket information of the access terminal is obtained by acquiring the access terminal IP selected by the interface.
After acquiring the test flow of the access terminal, the method further comprises: when the test flow is an encryption flow, acquiring an encryption mode through a preset configuration interface; based on the encryption mode, encrypting and transmitting communication data between the analog master station and the access terminal; to complete the testing of the encryption flow.
In the encryption mode, "communication connection between the analog master station and the access terminal based on the IEC104 communication protocol parameter or the IEC101 communication protocol parameter" may be specifically: based on IEC104 communication protocol parameters, the simulation master station initiates a connection request to the gateway to require connection with the access terminal; the gateway initiates TCP connection with the access terminal and performs bidirectional identity authentication between the gateway and the access terminal; after the authentication is determined to be successful, returning a result of successful connection to the simulation master station through the gateway; the simulation master station starts to initiate connection with the terminal, and performs bidirectional identity authentication between the master station and the terminal; after the authentication is determined to be successful, the simulation master station reads the chip serial number and the key version of the access terminal; and then the communication connection between the analog master station and the access terminal is completed.
In addition, fig. 2 is a schematic diagram of an IEC101/IEC 104-based communication system for an analog master station according to an embodiment of the present application. As shown in fig. 2, the system provided by the embodiment of the present application mainly includes:
The setting module 210 is configured to set selection keys of the IEC101 protocol and the IEC104 protocol on a preset setting interface;
The acquiring module 220 is configured to acquire port information of the analog master station and parameters of the IEC104 communication protocol when detecting that a selection key of the IEC104 protocol is triggered; wherein, the port information is: a server or a client; the method is also used for acquiring IEC101 communication protocol parameters of the simulation master station when the selection key of the IEC101 protocol is detected to be triggered;
The communication module 230 is configured to obtain a test flow of the access terminal after completing communication connection between the analog master station and the access terminal based on the IEC104 communication protocol parameter or the IEC101 communication protocol parameter; and after the test is finished, carrying out protocol transmission of the analog master station and the access terminal and communication transmission of the test flow.
In addition, the system can also comprise a flow initialization module;
The method comprises the steps of acquiring connection information corresponding to an access terminal, and displaying the connection information through a preset multi-client management interface; wherein, the connection information at least comprises: access terminal IP, access terminal port number, last access time, and number of accesses; and generating an initialization flow instruction, and initializing the flow of the access terminal to be tested.
Thus far, the technical solution of the present disclosure has been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the protective scope of the present disclosure is not limited to only these specific embodiments. The technical solutions in the above embodiments may be split and combined by those skilled in the art without departing from the technical principles of the present disclosure, and equivalent modifications or substitutions may be made to related technical features, which all fall within the scope of the present disclosure.
Claims (5)
1. An IEC101/IEC104 based simulated primary station communication method, the method comprising:
Setting respective selection keys of an IEC101 protocol and an IEC104 protocol on a preset setting interface;
When the fact that the selection key of the IEC104 protocol is triggered is detected, acquiring port information of the simulation master station and IEC104 communication protocol parameters; wherein, the port information is: a server or a client;
When the detection of the IEC101 protocol selection key is triggered, acquiring IEC101 communication protocol parameters of the simulation master station;
After the communication connection between the simulation master station and the access terminal is completed based on the IEC104 communication protocol parameter or the IEC101 communication protocol parameter;
acquiring connection information corresponding to an access terminal, and displaying the connection information through a preset multi-client management interface; wherein, the connection information at least comprises: access terminal IP, access terminal port number, last access time, and number of accesses;
The method for acquiring the connection information corresponding to the access terminal specifically comprises the following steps:
In the server mode, when the terminal is connected as a client, the connection information acquiring process specifically includes: firstly, the simulation master station creates a corresponding instance object by using a Socket class; secondly, configuring a network port and an IP address; a Bind function creation server of a Socket class object is called for monitoring; the method comprises the steps that a creation thread executes a Socket Accept () function, after the connection of an access terminal is monitored, access terminal information is notified to an access interface of the access terminal through an event, and the creation thread analyzes a received access terminal message, wherein the connection mode is long connection, the connection of the access terminal is not actively closed, and the connection with all the access terminals is disconnected when a server is closed; constructing a global variable clientdic at an access terminal access interface, wherein the type is a Dictionary, the key value is a client IP of a character string type, the value is access terminal information of a Socket type, the server terminal records clientdic the access terminal information transmitted by an event, and when the communication access terminal is switched, the Socket information of the access terminal is obtained by acquiring the access terminal IP selected by the interface;
generating an initialization flow instruction, and initializing the flow of the access terminal to be tested;
Acquiring a test flow of the access terminal; after the test is completed, communication transmission between the access terminal and the access terminal is carried out; the test flow at least comprises the following steps: encryption flow, general recall flow, remote control flow, parameter setting flow, file reading flow and file upgrading flow.
2. The IEC101/IEC104 based simulated primary station communication method of claim 1 wherein after acquiring the test procedure for the access terminal, the method further comprises:
When the test flow is an encryption flow, acquiring an encryption mode through a preset configuration interface;
Based on the encryption mode, encrypting and transmitting communication data between the analog master station and the access terminal; to complete the testing of the encryption flow.
3. The IEC101/IEC 104-based communication method of the analog master station according to claim 1, wherein the communication connection between the analog master station and the access terminal is completed based on IEC104 communication protocol parameters or IEC101 communication protocol parameters, specifically comprising:
Based on IEC104 communication protocol parameters, the simulation master station initiates a connection request to the gateway to require connection with the access terminal;
The gateway initiates TCP connection with the access terminal and performs bidirectional identity authentication between the gateway and the access terminal;
after the authentication is determined to be successful, returning a result of successful connection to the simulation master station through the gateway;
the simulation master station starts to initiate connection with the terminal, and performs bidirectional identity authentication between the master station and the terminal;
after the authentication is determined to be successful, the simulation master station reads the chip serial number and the key version of the access terminal; and then the communication connection between the analog master station and the access terminal is completed.
4. An IEC101/IEC104 based analog master station communication system, the system comprising:
the setting module is used for setting the respective selection keys of the IEC101 protocol and the IEC104 protocol on a preset setting interface;
The acquisition module is used for acquiring port information of the simulation master station and IEC104 communication protocol parameters when detecting that a selection key of the IEC104 protocol is triggered; wherein, the port information is: a server or a client; the method is also used for acquiring IEC101 communication protocol parameters of the simulation master station when the selection key of the IEC101 protocol is detected to be triggered;
The communication module is used for completing communication connection between the simulation master station and the access terminal based on IEC104 communication protocol parameters or IEC101 communication protocol parameters; acquiring connection information corresponding to an access terminal, and displaying the connection information through a preset multi-client management interface; wherein, the connection information at least comprises: access terminal IP, access terminal port number, last access time, and number of accesses; the method for acquiring the connection information corresponding to the access terminal specifically comprises the following steps: in the server mode, when the terminal is connected as a client, the connection information acquiring process specifically includes: firstly, the simulation master station creates a corresponding instance object by using a Socket class; secondly, configuring a network port and an IP address; a Bind function creation server of a Socket class object is called for monitoring; the method comprises the steps that a creation thread executes a Socket Accept () function, after the connection of an access terminal is monitored, access terminal information is notified to an access interface of the access terminal through an event, and the creation thread analyzes a received access terminal message, wherein the connection mode is long connection, the connection of the access terminal is not actively closed, and the connection with all the access terminals is disconnected when a server is closed; constructing a global variable clientdic at an access terminal access interface, wherein the type is a Dictionary, the key value is a client IP of a character string type, the value is access terminal information of a Socket type, the server terminal records clientdic the access terminal information transmitted by an event, and when the communication access terminal is switched, the Socket information of the access terminal is obtained by acquiring the access terminal IP selected by the interface; generating an initialization flow instruction, and initializing the flow of the access terminal to be tested; acquiring a test flow of the access terminal; after the test is completed, communication transmission between the access terminal and the access terminal is carried out; the test flow at least comprises the following steps: encryption flow, general recall flow, remote control flow, parameter setting flow, file reading flow and file upgrading flow.
5. The IEC101/IEC104 based analog master station communication system of claim 4 further comprising a flow initialization module;
The method comprises the steps of obtaining connection information corresponding to an access terminal and displaying the connection information through a preset multi-client management interface; wherein, the connection information at least comprises: access terminal IP, access terminal port number, last access time, and number of accesses; and generating an initialization flow instruction, and initializing the flow of the access terminal to be tested.
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| CN111711686A (en) * | 2020-06-15 | 2020-09-25 | 江苏方天电力技术有限公司 | Safety protection method based on power distribution terminal |
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