CN108965366B - Version information query method and device - Google Patents
Version information query method and device Download PDFInfo
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- CN108965366B CN108965366B CN201710597071.8A CN201710597071A CN108965366B CN 108965366 B CN108965366 B CN 108965366B CN 201710597071 A CN201710597071 A CN 201710597071A CN 108965366 B CN108965366 B CN 108965366B
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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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
- H04L41/085—Retrieval of network configuration; Tracking network configuration history
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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
- H04L63/04—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
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Abstract
The embodiment of the invention provides a method and a device for inquiring version information, wherein a client and a network management server are positioned in an IP network, an industrial personal computer, a video network server and a video network terminal are positioned in a video network, and the method comprises the following steps: the network management server inquires login information and version inquiry commands of the video network terminals under the video network server according to the inquiry request of the client and sends the login information and the version inquiry commands to the industrial personal computer; the industrial personal computer judges whether the video network terminal is connected under the video network server; if so, the industrial personal computer logs in the video network terminal by adopting the login information and sends a version query command to the video network terminal; the industrial personal computer receives version information inquired by the version inquiry command executed by the video networking terminal and sends the version information to the network management server; and the network management server sends the version information to the client. The version information of the terminal in the video network is remotely inquired in the IP network, a user does not need to manually check the version information of the video network terminal locally, and the simplicity and convenience of operation are improved.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a version information query method and a version information query device.
Background
The video networking is a real-time network, can realize the real-time transmission of full network high definition video, pushes numerous internet applications to high definition video, and high definition is face to face.
Dozens of services such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, time delay television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channel, intelligent video broadcast control, information distribution and the like are all integrated into a system platform, and high-definition quality video playing is realized through a television or a computer.
When the internet of things is accessed to the IP network, a user in the IP network wants to inquire the version information of the terminal of the internet of things, and needs to manually check the version information of the terminal of the internet of things locally through a remote controller, so that the operation is complicated.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are provided to provide a version information query method and a corresponding version information query apparatus that overcome or at least partially solve the above problems.
In order to solve the above problems, the embodiment of the invention discloses a method for inquiring version information, wherein a client and a network management server are positioned in an IP network, an industrial personal computer, a video network server and a video network terminal are positioned in a video network, and the method comprises the following steps:
the network management server inquires login information and version inquiry commands of the video network terminal under the video network server according to the inquiry request of the client and sends the login information and the version inquiry commands to the industrial personal computer;
the industrial personal computer judges whether the video network terminal is connected under the video network server; if so, the industrial personal computer adopts the login information to login the video network terminal and sends the version query command to the video network terminal;
the industrial personal computer receives the version information which is obtained by the video network terminal executing the version query command and sends the version information to the network management server;
and the network management server sends the version information to the client.
Optionally, the step of querying, by the network management server, login information and version query commands of the video network terminal under the video network server according to the query request of the client, and sending the login information and version query commands to an industrial personal computer includes:
the network management server extracts the ID of the video network server and the ID of the video network terminal from the query request of the client;
inquiring a first IP address of an industrial personal computer under the ID of the video network server, and a second IP address, a user name and a password corresponding to the ID of the video network terminal in a preset database;
and sending a second IP address, a user name, a password and a version query command corresponding to the ID of the video network terminal to the industrial personal computer to which the first IP address belongs.
Optionally, the steps of the industrial personal computer logging in the video network terminal by using the login information and sending the version query command to the video network terminal include:
the industrial personal computer sends the user name to the video networking terminal to which the second IP address belongs;
the industrial personal computer receives response information returned by the video network terminal;
the industrial personal computer sends the password to the video networking terminal to which the second IP address belongs;
the industrial personal computer receives login state information returned by the video networking terminal;
and the industrial personal computer sends the version query command to the video network terminal when the login state information is successful in login.
Optionally, the step of querying, by the network management server, login information and version query commands of the video network terminal under the video network server according to the query request of the client, and sending the login information and version query commands to an industrial personal computer includes:
the network management server inquires the login information and the version inquiry command of the video network terminal under the video network server according to the inquiry request of the client;
encrypting the login information and the version query command to obtain encrypted query information;
sending the encrypted query information to an industrial personal computer;
the steps that the industrial personal computer adopts the login information to login the video network terminal and sends the version query command to the video network terminal comprise:
the industrial personal computer decrypts the encrypted query information to obtain the login information and the version query command;
the industrial personal computer adopts the login information to login the video network terminal;
and when the industrial personal computer successfully logs in the video network terminal, the version query command is sent to the video network terminal.
Optionally, the step of receiving, by the industrial personal computer, the version information queried by the version query command executed by the video networking terminal and sending the version information to the network management server includes:
the industrial personal computer receives the version information inquired by the version inquiry command executed by the video network terminal;
the industrial personal computer encrypts the version information to obtain encrypted version information;
the industrial personal computer sends the encrypted version information to a network management server;
the step of sending the version information to the client by the network management server comprises the following steps:
and the network management server decrypts the encrypted version information to obtain the version information and sends the version information to the client.
Optionally, the method further comprises:
the network management server inquires the source version information of the video network terminal under the video network server;
and the network management server compares the version information returned by the industrial personal computer with the source version information to obtain version prompt information.
The embodiment of the invention also discloses a version information query device, wherein the client and the network management server are positioned in the IP network, and the industrial personal computer, the video network server and the video network terminal are positioned in the video network;
the network management server comprises a terminal information query module and a second version information sending module, and the industrial personal computer comprises a terminal cascade judgment module, a terminal login query module and a first version information sending module;
the terminal information query module is used for querying login information and version query commands of the video network terminal under the video network server according to the query request of the client and sending the login information and version query commands to the industrial personal computer;
the terminal cascade judging module is used for judging whether the video network terminal is connected under the video network server; if yes, calling a terminal login query module;
the terminal login query module is used for logging in the video network terminal by adopting the login information and sending the version query command to the video network terminal;
the first version information sending module is used for receiving the version information inquired by the video network terminal executing the version inquiry command and sending the version information to the network management server;
and the second version information sending module is used for sending the version information to the client.
Optionally, the terminal information query module includes:
the ID extraction submodule is used for the network management server to extract the ID of the video network server and the ID of the video network terminal from the query request of the client;
the database query submodule is used for querying a first IP address of an industrial personal computer under the ID of the video network server, and a second IP address, a user name and a password corresponding to the ID of the video network terminal in a preset database;
and the terminal information sending submodule is used for sending a second IP address, a user name, a password and a version query command corresponding to the ID of the video network terminal to the industrial personal computer to which the first IP address belongs.
Optionally, the terminal login query module includes:
the user name sending submodule is used for sending the user name to the video networking terminal to which the second IP address belongs;
the response information receiving submodule is used for receiving response information returned by the video network terminal;
the password sending submodule is used for sending the password to the video networking terminal to which the second IP address belongs;
the login state information receiving submodule is used for receiving login state information returned by the video network terminal;
and the version query command sending submodule is used for sending the version query command to the video network terminal when the login state information is successful in login.
Optionally, the terminal information query module includes:
the information query submodule is used for querying the login information and the version query command of the video network terminal under the video network server by the network management server according to the query request of the client;
the terminal information encryption submodule is used for encrypting the login information and the version query command to obtain encrypted query information;
the encrypted query information sending submodule is used for sending the encrypted query information to the industrial personal computer;
the terminal login query module comprises:
the encrypted query information decryption submodule is used for decrypting the encrypted query information by the industrial personal computer to obtain the login information and the version query command;
the login information login submodule is used for the industrial personal computer to login the video network terminal by adopting the login information;
and the version query submodule is used for sending the version query command to the video network terminal when the industrial personal computer successfully logs in the video network terminal.
Optionally, the first version information sending module includes:
the version information receiving submodule is used for receiving the version information inquired by the video network terminal executing the version inquiry command;
the version information encryption submodule is used for encrypting the version information by the industrial personal computer to obtain encrypted version information;
the encrypted version information sending submodule is used for sending the encrypted version information to a network management server;
the second version information sending module includes:
and the decryption sending submodule is used for decrypting the encrypted version information by the network management server to obtain the version information and sending the version information to the client.
Optionally, the network management server further includes:
the source version information inquiry module is used for inquiring the source version information of the video network terminal under the video network server;
and the version information comparison module is used for comparing the version information returned by the industrial personal computer with the source version information to obtain version prompt information.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, the client and the network management server are positioned in the IP network, the industrial personal computer, the video network server and the video network terminal are positioned in the video network, the network management server inquires the login information and the version inquiry command of the video network terminal under the video network server according to the inquiry request of the client and sends the login information and the version inquiry command to the industrial personal computer, and when the industrial personal computer determines that the video network terminal is connected under the video network server, the industrial personal computer adopts the login information to login the video network terminal and sends the version inquiry command to the video network terminal to be executed, sends the inquired version information to the network management server and then returns the client.
Drawings
FIG. 1 is a schematic networking diagram of a video network of the present invention;
FIG. 2 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 3 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
FIG. 5 is a flowchart illustrating the steps of one embodiment of a method for querying version information;
FIG. 6 is a schematic diagram of a network architecture of the present invention;
FIG. 7 is a flow chart of steps in another version information query method embodiment of the present invention;
FIG. 8 is a block diagram of an embodiment of a version information query device according to the present invention;
fig. 9 is a block diagram of another embodiment of the version information query device according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network Circuit Switching (Circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 1, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204;
the network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 3, the network interface module mainly includes a network interface module (a downlink network interface module 301 and an uplink network interface module 302), a switching engine module 303 and a CPU module 304;
wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the data packet coming from the CPU module 204 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol conversion gateway：
As shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet protocol gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
| DA | SA | Reserved | Payload | CRC |
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
| DA | SA | Reserved | label (R) | Payload | CRC |
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Based on the characteristics of the video network, the invention provides one of the core concepts of the embodiment, and the client of the IP network remotely inquires the version information of the video network terminal through the network management server and the industrial personal computer according to the protocol of the video network.
Referring to fig. 5, a flowchart illustrating steps of an embodiment of a method for querying version information according to the present invention is shown, which may specifically include the following steps:
step 501, a network management server inquires login information and version inquiry commands of the video network terminal under the video network server according to the inquiry request of the client and sends the login information and the version inquiry commands to an industrial personal computer.
As shown in fig. 6, the client 611 and the network management server 612 are located in the IP network 610, and the industrial personal computer 621, the video network server 622 and the video network terminal 623 are located in the video network 620.
In the specific implementation, a user logs in a client in an IP network, and a network management server can manage a video network terminal under a video network server in the IP network.
The client can send a version query request for querying the version information of the video network terminal under the video network server to the network management server according to the operation of the user.
The network management server may query login information of the video network terminal under the video network server according to the version query request, and send a version query command (e.g., CMD command) to the industrial personal computer through a TCP (Transmission Control Protocol) Protocol.
In one embodiment of the present invention, step 501 may include the following sub-steps:
and a substep S11, extracting the ID of the video network server and the ID of the video network terminal from the query request of the client by the network management server.
And a substep S12, inquiring a first IP address of an industrial personal computer under the ID of the video network server, and a second IP address, a user name and a password corresponding to the ID of the video network terminal in a preset database.
And a substep S13, sending a second IP address, a user name, a password and a version query command corresponding to the ID of the video networking terminal to the industrial personal computer to which the first IP address belongs.
By applying the embodiment of the invention, the information of different video network servers, including the ID, the first IP address of the industrial personal computer and the like, can be stored in the database in advance in the network management server, and the information of the video network terminal under the video network server, including the ID, the second IP address of the video network terminal, the user name, the password and the like, can be stored.
When the client sends the query request, the video network server is represented by the ID of the video network server, and the video network terminal is represented by the ID of the video network terminal.
And the network management server extracts the ID of the video network server and the ID of the video network terminal from the query request, searches a first IP address corresponding to the ID of the video network server in the database, searches a second IP address, a user name and a password corresponding to the ID of the video network terminal as login information, and sends the login information and the second IP address, the user name and the password to the industrial personal computer to which the first IP address belongs together with a version query command.
In another embodiment of the present invention, step 501 may include the following sub-steps:
and a substep S21, querying, by the network management server, login information and version query commands of the video network terminal under the video network server according to the query request of the client.
And a substep S22, encrypting the login information and the version inquiry command to obtain encrypted inquiry information.
And a substep S23 of sending the encrypted query information to an industrial personal computer.
In the embodiment of the invention, because the communication between the network management server and the industrial personal computer uses a TCP protocol of an IP network, the security is poor, so in order to improve the security of the communication between the network management server and the industrial personal computer, the network management server can encrypt the login information, the version query command and other data by adopting an AES (Advanced Encryption Standard) algorithm and other modes, and then send the encrypted query information to the industrial personal computer.
502, an industrial personal computer judges whether the video network terminal is connected under the video network server; if yes, go to step 503.
In the embodiment of the invention, the industrial personal computer can judge whether the video connection terminal is cascaded under the video connection server through a V2V protocol of the video connection network.
And 503, the industrial personal computer logs in the video network terminal by adopting the login information and sends the version query command to the video network terminal.
If the video network terminal is cascaded under the video network server, the industrial personal computer can log in the video network terminal through a Telnet (remote terminal protocol) protocol and transmits a version query command to the video network terminal for execution.
In one embodiment of the present invention, step 503 may include the following sub-steps:
and in the substep S31, the industrial personal computer sends the user name to the video networking terminal to which the second IP address belongs.
And a substep S32, receiving response information returned by the video network terminal by the industrial personal computer.
And in the substep S33, the industrial personal computer sends the password to the video networking terminal to which the second IP address belongs.
And in the substep S34, the industrial personal computer receives login state information returned by the video network terminal.
And in the substep S35, when the login state information is successful, the industrial personal computer sends the version query command to the video network terminal.
In the embodiment of the invention, the industrial personal computer establishes TCP connection with the video network terminal through the second IP address, transmits the user name and the password to the remote video network terminal in an NVT (Net Virtual terminal) format, and the video network terminal can return login state information.
If the login status information is login success, the version inquiry command can be transmitted to the remote video network terminal in NVT format for execution.
If the login state information is login failure, the inquiry of the version information of the video network terminal is finished, the login failure information is returned to the network management server, and the network management server returns to the client.
In one embodiment of the present invention, step 503 may include the following sub-steps:
and a substep S41, decrypting the encrypted query information by the industrial personal computer to obtain the login information and the version query command.
And a substep S42, logging in the video network terminal by the industrial personal computer by using the login information.
And in the substep S43, when the industrial personal computer successfully logs in the video network terminal, sending the version query command to the video network terminal.
In the embodiment of the invention, if the network management server encrypts the login information and the version query command, the industrial personal computer can decrypt the encrypted login information and the version query command (namely the encrypted query information) in a corresponding decryption mode (such as an AES algorithm) after receiving the encrypted login information and the encrypted version query command, remotely log in the video network terminal by adopting the decrypted login information, and send the version query command to the video network terminal for execution.
And step 504, the industrial personal computer receives the version information inquired by the version inquiry command executed by the video network terminal and sends the version information to the network management server.
In the specific implementation, the video network terminal executes the version query command, queries the version information, returns the data in the NVT format to the industrial personal computer, converts the data into a format accepted locally by the industrial personal computer, and returns the execution result (namely the version information) of the version query command and the version query command to the network management server through the TCP protocol.
In addition, the industrial personal computer can cancel connection of the remote video network terminal, and the process is to cancel a TCP connection.
In one embodiment of the invention, step 504 may include the following sub-steps:
and in the substep S51, the industrial personal computer receives the version information inquired by the version inquiry command executed by the video network terminal.
And a substep S52, encrypting the version information by the industrial personal computer to obtain encrypted version information.
And a substep S53, sending the encrypted version information to a network management server by the industrial personal computer.
In the embodiment of the invention, because the communication between the network management server and the industrial personal computer uses a TCP protocol of an IP network, the security is poor, so in order to improve the security of the communication between the network management server and the industrial personal computer, the industrial personal computer can encrypt data such as version information and the like by adopting an AES algorithm and the like, and then send the encrypted version information to the network management server.
In one embodiment of the present invention, step 505 may comprise the sub-steps of:
and a substep S61, the network management server decrypts the encrypted version information to obtain the version information, and sends the version information to the client.
In the embodiment of the invention, if the industrial personal computer encrypts the version information, the industrial personal computer can decrypt the encrypted version information (namely the encrypted version information) in a corresponding decryption mode (such as an AES algorithm) after receiving the encrypted version information, and send the decrypted version information to the client.
In the embodiment of the invention, the client and the network management server are positioned in the IP network, the industrial personal computer, the video network server and the video network terminal are positioned in the video network, the network management server inquires the login information and the version inquiry command of the video network terminal under the video network server according to the inquiry request of the client and sends the login information and the version inquiry command to the industrial personal computer, and when the industrial personal computer determines that the video network terminal is connected under the video network server, the industrial personal computer adopts the login information to login the video network terminal and sends the version inquiry command to the video network terminal to be executed, sends the inquired version information to the network management server and then returns the client.
Referring to fig. 7, a flowchart illustrating steps of another embodiment of a method for querying version information according to the present invention is shown, where a client and a network management server are located in an IP network, and an industrial personal computer, a video network server and a video network terminal are located in a video network, and the method specifically includes the following steps:
And 703, the industrial personal computer logs in the video network terminal by adopting the login information and sends the version query command to the video network terminal.
And 704, the industrial personal computer receives the version information inquired by the version inquiry command executed by the video network terminal and sends the version information to the network management server.
And 707, comparing the version information returned by the industrial personal computer with the source version information by the network management server to obtain version prompt information.
In the embodiment of the invention, the network management server can store the version information of the video networking terminal into a local database.
In addition, the database in the network management server also stores the source version information of the video network terminal, and the source version information can be manually filled by a user or stored when the network management server controls the upgrading of the video network terminal.
The version information returned by the industrial personal computer is the actual version information of the video networking terminal, and certain error may exist between the source version information and the source version information.
By comparing the actual version information with the source version information, version prompt information such as whether the upgrade is needed or not, whether the previous upgrade is successful or not can be judged, and a user can determine subsequent operation according to the version prompt information.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 8, a block diagram of an embodiment of a version information query apparatus according to the present invention is shown, where the apparatus may be applied to a video network, a client 811 and a network management server 812 are located in an IP network, and an industrial personal computer 821, a video network server 822 and a video network terminal 823 are located in the video network;
the network management server 812 comprises a terminal information query module 8121 and a second version information sending module 8122, and the industrial personal computer 821 comprises a terminal cascade judgment module 8211, a terminal login query module 8212 and a first version information sending module 8213;
a terminal information query module 8121, configured to query, according to the query request of the client, login information and a version query command of the video networking terminal under the video networking server, and send the login information and the version query command to an industrial personal computer;
a terminal cascade judging module 8211, configured to judge whether the video network terminal is connected to the video network server; if yes, a terminal login query module 8212 is called;
a terminal login query module 8212, configured to login the video network terminal using the login information and send the version query command to the video network terminal;
a first version information sending module 8213, configured to receive the version information queried by the video network terminal executing the version query command, and send the version information to a network management server;
a second version information sending module 8122, configured to send the version information to the client.
In an embodiment of the present invention, the terminal information query module 8121 includes:
the ID extraction submodule is used for the network management server to extract the ID of the video network server and the ID of the video network terminal from the query request of the client;
the database query submodule is used for querying a first IP address of an industrial personal computer under the ID of the video network server, and a second IP address, a user name and a password corresponding to the ID of the video network terminal in a preset database;
and the terminal information sending submodule is used for sending a second IP address, a user name, a password and a version query command corresponding to the ID of the video network terminal to the industrial personal computer to which the first IP address belongs.
In an embodiment of the present invention, the terminal login query module 8212 includes:
the user name sending submodule is used for sending the user name to the video networking terminal to which the second IP address belongs;
the response information receiving submodule is used for receiving response information returned by the video network terminal;
the password sending submodule is used for sending the password to the video networking terminal to which the second IP address belongs;
the login state information receiving submodule is used for receiving login state information returned by the video network terminal;
and the version query command sending submodule is used for sending the version query command to the video network terminal when the login state information is successful in login.
In an embodiment of the present invention, the terminal information query module 8121 includes:
the information query submodule is used for querying the login information and the version query command of the video network terminal under the video network server by the network management server according to the query request of the client;
the terminal information encryption submodule is used for encrypting the login information and the version query command to obtain encrypted query information;
the encrypted query information sending submodule is used for sending the encrypted query information to the industrial personal computer;
accordingly, the terminal login query module 8212 includes:
the encrypted query information decryption submodule is used for decrypting the encrypted query information by the industrial personal computer to obtain the login information and the version query command;
the login information login submodule is used for the industrial personal computer to login the video network terminal by adopting the login information;
and the version query submodule is used for sending the version query command to the video network terminal when the industrial personal computer successfully logs in the video network terminal.
In an embodiment of the present invention, the first version information sending module 8122 includes:
the version information receiving submodule is used for receiving the version information inquired by the video network terminal executing the version inquiry command;
the version information encryption submodule is used for encrypting the version information by the industrial personal computer to obtain encrypted version information;
the encrypted version information sending submodule is used for sending the encrypted version information to a network management server;
accordingly, the second version information sending module 8213 includes:
and the decryption sending submodule is used for decrypting the encrypted version information by the network management server to obtain the version information and sending the version information to the client.
Referring to fig. 9, a block diagram of another embodiment of the device for querying version information according to the present invention is shown, where the device may be applied to a video network, a client 911 and a network management server 912 are located in an IP network, and an industrial personal computer 921, a video network server 922 and a video network terminal 923 are located in the video network;
the network management server 912 comprises a terminal information query module 9121, a second version information sending module 9122, a source version information query module 9123 and a version information comparison module 9124, and the industrial personal computer 921 comprises a terminal cascade judgment module 9211, a terminal login query module 9212 and a first version information sending module 9213;
the terminal information query module 9121 is used for querying login information and version query commands of the video network terminals under the video network server according to the query request of the client and sending the login information and version query commands to the industrial personal computer;
a terminal cascade judging module 9211, configured to judge whether the video networking terminal is connected to the video networking server; if yes, a terminal login query module 9212 is called;
a terminal login inquiry module 9212, configured to login the video network terminal using the login information and send the version inquiry command to the video network terminal;
a first version information sending module 9213, configured to receive the version information queried by the video network terminal executing the version query command, and send the version information to the network management server;
a second version information sending module 9122, configured to send the version information to the client;
a source version information query module 9123, configured to query source version information of the video networking terminal under the video networking server;
and the version information comparison module 9123 is used for comparing the version information returned by the industrial personal computer with the source version information to obtain version prompt information.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. 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 terminal that comprises the element.
The above detailed description is provided for a version information query method and a version information query device, and a specific example is applied in this document to explain the principle and implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A method for inquiring version information is characterized in that a client and a network management server are positioned in an IP network, an industrial personal computer, a video network server and a video network terminal are positioned in a video network, and the method comprises the following steps:
the network management server inquires login information and version inquiry commands of the video network terminal under the video network server according to the inquiry request of the client and sends the login information and the version inquiry commands to the industrial personal computer;
the industrial personal computer judges whether the video network terminal is connected under the video network server; if so, the industrial personal computer adopts the login information to login the video network terminal and sends the version query command to the video network terminal;
the industrial personal computer receives the version information which is obtained by the video network terminal executing the version query command and sends the version information to the network management server;
and the network management server sends the version information to the client.
2. The method according to claim 1, wherein the step of the network management server inquiring the login information and version inquiry command of the video network terminal under the video network server and sending the login information and version inquiry command to the industrial personal computer according to the inquiry request of the client comprises the following steps:
the network management server extracts the ID of the video network server and the ID of the video network terminal from the query request of the client;
inquiring a first IP address of an industrial personal computer under the ID of the video network server, and a second IP address, a user name and a password corresponding to the ID of the video network terminal in a preset database;
and sending a second IP address, a user name, a password and a version query command corresponding to the ID of the video network terminal to the industrial personal computer to which the first IP address belongs.
3. The method according to claim 2, wherein the steps of the industrial personal computer adopting the login information to login the video network terminal and sending the version query command to the video network terminal comprise:
the industrial personal computer sends the user name to the video networking terminal to which the second IP address belongs;
the industrial personal computer receives response information returned by the video network terminal;
the industrial personal computer sends the password to the video networking terminal to which the second IP address belongs;
the industrial personal computer receives login state information returned by the video networking terminal;
and the industrial personal computer sends the version query command to the video network terminal when the login state information is successful in login.
4. The method according to claim 1, 2 or 3, wherein the step of the network management server inquiring the login information and version inquiry command of the video network terminal under the video network server and sending the login information and version inquiry command to the industrial personal computer according to the inquiry request of the client comprises the following steps:
the network management server inquires the login information and the version inquiry command of the video network terminal under the video network server according to the inquiry request of the client;
encrypting the login information and the version query command to obtain encrypted query information;
sending the encrypted query information to an industrial personal computer;
the steps that the industrial personal computer adopts the login information to login the video network terminal and sends the version query command to the video network terminal comprise:
the industrial personal computer decrypts the encrypted query information to obtain the login information and the version query command;
the industrial personal computer adopts the login information to login the video network terminal;
and when the industrial personal computer successfully logs in the video network terminal, the version query command is sent to the video network terminal.
5. The method according to claim 1, 2 or 3, wherein the step of receiving the version information queried by the version query command executed by the video networking terminal and sending the version information to the network management server by the industrial personal computer comprises the following steps:
the industrial personal computer receives the version information inquired by the version inquiry command executed by the video network terminal;
the industrial personal computer encrypts the version information to obtain encrypted version information;
the industrial personal computer sends the encrypted version information to a network management server;
the step of sending the version information to the client by the network management server comprises the following steps:
and the network management server decrypts the encrypted version information to obtain the version information and sends the version information to the client.
6. The method of claim 1, 2 or 3, further comprising:
the network management server inquires the source version information of the video network terminal under the video network server;
and the network management server compares the version information returned by the industrial personal computer with the source version information to obtain version prompt information.
7. A query device of version information is characterized in that a client and a network management server are positioned in an IP network, and an industrial personal computer, a video network server and a video network terminal are positioned in a video network;
the network management server comprises a terminal information query module and a second version information sending module, and the industrial personal computer comprises a terminal cascade judgment module, a terminal login query module and a first version information sending module;
the terminal information query module is used for querying login information and version query commands of the video network terminal under the video network server according to the query request of the client and sending the login information and version query commands to the industrial personal computer;
the terminal cascade judging module is used for judging whether the video network terminal is connected under the video network server; if yes, calling a terminal login query module;
the terminal login query module is used for logging in the video network terminal by adopting the login information and sending the version query command to the video network terminal;
the first version information sending module is used for receiving the version information inquired by the video network terminal executing the version inquiry command and sending the version information to the network management server;
and the second version information sending module is used for sending the version information to the client.
8. The apparatus of claim 7, wherein the terminal information query module comprises:
the ID extraction submodule is used for the network management server to extract the ID of the video network server and the ID of the video network terminal from the query request of the client;
the database query submodule is used for querying a first IP address of an industrial personal computer under the ID of the video network server, and a second IP address, a user name and a password corresponding to the ID of the video network terminal in a preset database;
and the terminal information sending submodule is used for sending a second IP address, a user name, a password and a version query command corresponding to the ID of the video network terminal to the industrial personal computer to which the first IP address belongs.
9. The apparatus of claim 8, wherein the terminal login query module comprises:
the user name sending submodule is used for sending the user name to the video networking terminal to which the second IP address belongs;
the response information receiving submodule is used for receiving response information returned by the video network terminal;
the password sending submodule is used for sending the password to the video networking terminal to which the second IP address belongs;
the login state information receiving submodule is used for receiving login state information returned by the video network terminal;
and the version query command sending submodule is used for sending the version query command to the video network terminal when the login state information is successful in login.
10. The apparatus of claim 7, 8 or 9, wherein the terminal information query module comprises:
the information query submodule is used for querying the login information and the version query command of the video network terminal under the video network server by the network management server according to the query request of the client;
the terminal information encryption submodule is used for encrypting the login information and the version query command to obtain encrypted query information;
the encrypted query information sending submodule is used for sending the encrypted query information to the industrial personal computer;
the terminal login query module comprises:
the encrypted query information decryption submodule is used for decrypting the encrypted query information by the industrial personal computer to obtain the login information and the version query command;
the login information login submodule is used for the industrial personal computer to login the video network terminal by adopting the login information;
and the version query submodule is used for sending the version query command to the video network terminal when the industrial personal computer successfully logs in the video network terminal.
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