CN109286826B - Information display method and device - Google Patents
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- CN109286826B CN109286826B CN201811015509.8A CN201811015509A CN109286826B CN 109286826 B CN109286826 B CN 109286826B CN 201811015509 A CN201811015509 A CN 201811015509A CN 109286826 B CN109286826 B CN 109286826B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
- H04N21/4355—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving reformatting operations of additional data, e.g. HTML pages on a television screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
- H04N21/8173—End-user applications, e.g. Web browser, game
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- Software Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention provides an information display method and device, which are applied to a video network. The method comprises the following steps: the browser generates a data acquisition request according to the operation information of the user, calls a preset interface, and sends the data acquisition request to the central server based on the video networking protocol; the operation information includes a target area; the browser receives original data returned by the central server based on the video networking protocol aiming at the data acquisition request through a preset interface; the raw data comprises information of a plurality of video network servers in the target area; the browser determines a parent-level video networking server corresponding to each video networking server according to the information of the plurality of video networking servers; and the browser generates a server directory tree according to the information of each video network server and the corresponding parent video network server information, and displays the server directory tree. The embodiment of the invention enables the user to quickly find the required data, has simple and convenient process and high efficiency, and improves the user experience.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to an information display method and an information display apparatus.
Background
With the rapid development of network technologies, bidirectional communications such as video conferences and video teaching are widely popularized in the aspects of life, work, learning and the like of users. A plurality of servers may be provided in the network in order to serve each terminal that performs communication. The user may request to query information of a certain server or servers in order to know information of the server itself, information of terminals served by the server, etc.
However, in the prior art, when a user queries information of a server, received data is relatively chaotic, and the user needs to search one by one to find data needed by the user, so that the query process is relatively complex, the efficiency is relatively low, and the user experience is relatively poor.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide an information display method and a corresponding information display apparatus that overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses an information display method, which is applied to a video network, where the video network includes a browser, a central server and a plurality of video network servers, and the method includes:
the browser generates a data acquisition request according to the operation information of the user, calls a preset interface, and sends the data acquisition request to the central server based on a video networking protocol; the operation information comprises a target area;
the browser receives original data returned by the central server based on a video networking protocol aiming at the data acquisition request through the preset interface; the raw data comprises information of a plurality of video network servers in the target area;
the browser determines a parent-level video networking server corresponding to each video networking server according to the information of the plurality of video networking servers;
and the browser generates a server directory tree according to the information of each video network server and the corresponding parent video network server information, and displays the server directory tree.
Preferably, the step of generating, by the browser, a server directory tree according to the information of each of the video network servers and the information of the corresponding parent video network server includes:
the browser takes a video network server as a data node and takes the information of the video network server as the value of the corresponding data node;
and the browser performs combined splicing of the subordination relation of each data node and the corresponding parent level data node according to the JSON data exchange format and the value of each data node, and generates a server directory tree by using the values of each data node and each data node.
Preferably, the information of the internet of view servers includes identifiers of the internet of view servers and identifiers of parent internet of view servers of the internet of view servers, and the step of determining, by the browser, the parent internet of view server corresponding to each of the internet of view servers according to the information of the plurality of internet of view servers includes:
the browser searches whether the identifier of a parent-level video network server of the current video network server exists in the information of the plurality of video network servers aiming at each video network server;
and if the identifier exists, the browser determines the visual network server corresponding to the searched identifier as a parent visual network server of the current visual network server.
Preferably, the step of calling a preset interface and sending the data acquisition request to the central server based on a video networking protocol includes:
the browser packages the data acquisition request into a first video networking protocol data packet comprising first path information based on a video networking protocol; the first path information is used for indicating a transmission path of the first video network protocol data packet in a video network;
and the browser calls a preset interface and sends the first video networking protocol data packet to the central server according to the first path information.
Preferably, the step of the browser receiving, through the preset interface, original data returned by the central server for the data acquisition request based on a video networking protocol includes:
the browser receives the data acquisition request of the central server through the preset interface, returns the data acquisition request according to second path information, and encapsulates a second video networking protocol data packet of the original data based on a video networking protocol;
the second video network protocol data packet comprises the second path information, and the second path information is used for indicating a transmission path of the second video network protocol data packet in the video network.
On the other hand, the embodiment of the invention also discloses an information display device, which is applied to the video network, wherein the video network comprises a browser, a central server and a plurality of video network servers, and the browser comprises:
the sending module is used for generating a data acquisition request according to the operation information of the user, calling a preset interface and sending the data acquisition request to the central server based on a video networking protocol; the operation information comprises a target area;
the receiving module is used for receiving original data returned by the central server based on a video networking protocol aiming at the data acquisition request through the preset interface; the raw data comprises information of a plurality of video network servers in the target area;
the determining module is used for respectively determining a parent-level video networking server corresponding to each video networking server according to the information of the plurality of video networking servers;
and the generating module is used for generating a server directory tree according to the information of each video network server and the corresponding parent video network server information, and displaying the server directory tree.
Preferably, the generating module comprises:
the node determining unit is used for taking a video network server as a data node and taking the information of the video network server as the value of the corresponding data node;
and the directory generation unit is used for performing combined splicing of the subordination relation between each data node and the corresponding parent level data node according to the JSON data exchange format and the value of each data node, and generating a server directory tree by using the values of each data node and each data node.
Preferably, the information of the internet of view server includes an identifier of the internet of view server and an identifier of a parent internet of view server of the internet of view server, and the determining module includes:
the information searching unit is used for searching whether the identifier of the parent-level video networking server of the current video networking server exists in the information of the plurality of video networking servers or not aiming at each video networking server;
and the server determining unit is used for determining the visual network server corresponding to the searched identifier as a parent visual network server of the current visual network server if the visual network server exists.
Preferably, the sending module includes:
the request encapsulation unit is used for encapsulating the data acquisition request into a first video networking protocol data packet comprising first path information based on a video networking protocol; the first path information is used for indicating a transmission path of the first video network protocol data packet in a video network;
and the data sending unit is used for calling a preset interface and sending the first video networking protocol data packet to the central server according to the first path information.
Preferably, the receiving module is specifically configured to receive, through the preset interface, a second video networking protocol data packet, which is returned by the central server according to the second path information and is based on the video networking protocol and encapsulates the original data, for the data acquisition request; the second video network protocol data packet comprises the second path information, and the second path information is used for indicating a transmission path of the second video network protocol data packet in the video network.
In the embodiment of the invention, a browser generates a data acquisition request according to operation information of a user, and sends the data acquisition request to a central server based on a video networking protocol, wherein the operation information comprises a target area; the browser receives original data returned by the central server aiming at the data acquisition request based on the video networking protocol, wherein the original data comprises information of a plurality of video networking servers in a target area; the browser determines a parent-level video networking server corresponding to each video networking server according to the information of the plurality of video networking servers; and generating a server directory tree according to the information of each video network server and the corresponding parent video network server information, and displaying the server directory tree. Therefore, in the embodiment of the invention, the user can check the information of the video network server in the video network through the browser according to the self requirement, and the browser can perform hierarchical analysis on the information of the video network server and clearly display the information of the video network server concerned by the user to the user in the form of the server directory tree, so that the user can quickly find the required data, the process is simple and convenient, the efficiency is high, and the user experience is improved.
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 steps of a method for displaying information according to a first embodiment of the present invention;
fig. 6 is a block diagram of an information display device according to a second embodiment of 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 video networking destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet coordination 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 byte, 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 data packets, and is 64 bytes if the data packet is a variety of protocol packets, and is 32+1024 or 1056 bytes if the data packet is a unicast data 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 above characteristics of the video network, the information display scheme provided in the embodiment of the invention follows the protocol of the video network, and displays the information of the video network server in the target area which the user wants to view according to the hierarchical structure.
Example one
The information display method of the embodiment of the invention can be applied to the video network. The video network comprises a browser, a central server and a plurality of video network servers. The central server may be configured to manage a plurality of video network servers, store information of the video network servers, monitor the operation of a browser, and the like. The browser can be used for acquiring the information of the video network server from the central server according to the requirements of the user, displaying the information to the user and the like. The video network server can be used for serving terminals accessed to the video network server, such as data forwarding, signaling forwarding and the like.
Referring to fig. 5, a flowchart illustrating steps of an information display method according to a first embodiment of the present invention is shown.
The information display method of the embodiment of the invention can comprise the following steps:
In the embodiment of the invention, the browser can be installed in a terminal accessed to the video network. The terminal can be a video networking terminal and can also be an internet terminal. The video network terminal is a video network service landing device, an actual participant or a server of the video network service, and can be various conference set-top boxes, video telephone set-top boxes, operation teaching set-top boxes, streaming media gateways, storage gateways, media synthesizers and the like. The internet terminal may be a PC (Personal Computer) mobile phone, a tablet Computer, a wearable device, or the like.
In a specific implementation manner, a user interface may be displayed in the browser, and a user may perform a corresponding operation in the interface to trigger the browser to generate the data acquisition request. For example, the interface of the browser may display area information, input boxes, query buttons, and the like. The regional information may display, for example, each provincial administrative region, such as beijing city, tianjin city, etc., and may display the lower administrative regions included therein at the lower level of the provincial administrative region, such as hai lake region, sunny region, east city region, west city region, etc., at the lower level of beijing city, and coastal new region, north river region, east river region, west river region, etc., at the lower level of tianjin city. The user may select a target region from region information displayed in the interface or input the target region from an input box displayed in the interface and click a query button. After the browser detects the operation of the user, the browser obtains corresponding operation information, such as obtaining a target area selected by the user or a target area input by the user, and information of clicking a query button by the user, and the like, and can learn that the user wants to obtain corresponding data in the target area through the operation information, so that the browser can generate a corresponding data obtaining request according to the operation information. The target area may be included in the data acquisition request.
In the embodiment of the invention, an interface for communicating with the central server can be preset on the browser, and the browser can communicate with the central server based on a video networking protocol through the preset interface. In a specific implementation, the predetermined interface may be an XML Http Request (extensible hypertext transfer Request, XML extensible markup language, Http hypertext transfer protocol, Request) interface. The XML Http Request object can locally update the webpage without submitting the whole page to the server. And after the page is completely loaded, the client requests the server for data through the object, and the server feeds back the data to the client after receiving and processing the data. The XML Http Request object may provide full access to the Http protocol, including the ability to make POST and HEAD requests as well as ordinary GET requests. The XML Http Request can return the server's response synchronously or asynchronously, and can return the content in text or a DOM document. In the embodiment of the invention, the XML Http Request interface can also provide access to the video networking protocol, so that the browser can be set to communicate with the central server based on the video networking protocol by calling the XML Http Request interface.
After the browser generates the data acquisition request, a preset interface can be called, and the data acquisition request is sent to the central server based on the video networking protocol.
In a preferred embodiment, the step of the browser calling a preset interface and sending the data acquisition request to the central server based on the internet of view protocol may include: the browser packages the data acquisition request into a first video networking protocol data packet comprising first path information based on a video networking protocol; and the browser calls a preset interface and sends the first video networking protocol data packet to the central server according to the first path information.
The first path information is used for indicating a transmission path of a first video network protocol data packet in the video network. The browser is provided with the preset interface (specifically, an XML Http Request interface) for communicating with the central server, and the central server is provided with a communication port for communicating with the browser. Therefore, the first path information may include information of a preset interface on the browser, information of a communication port on the central server, a transmission direction, and the like, where the transmission direction is from the preset interface on the browser to the communication port on the central server, where the information of the preset interface may include a name, an identifier, and the like of the preset interface, and the information of the communication port may include a name, an identifier, an address, and the like of the communication port.
The central server may be used to manage multiple video network servers and may store information for each video network server that it manages. In this embodiment of the present invention, the information of the video networking server at least may include: the region to which the video network server belongs, an identification of the video network server, an identification of a parent video network server of the video network server, an operational status of the video network server, and so forth.
After receiving the first video networking protocol data packet sent by the browser, the central server analyzes the first video networking protocol data packet to obtain a data acquisition request, wherein the data acquisition request may include a target area. Then, the central server may search, for the data acquisition request, information of the multiple video network servers belonging to the target area from information of the video network servers stored therein (specifically, information of the video network servers belonging to the target area may be searched), and send the searched information of the multiple video network servers in the target area to the browser as original data.
In a preferred embodiment, the central server encapsulates the raw data into a second video networking protocol data packet comprising second path information based on the video networking protocol; and the central server sends the second video networking protocol data packet to the browser according to the second path information through the preset interface. That is, this step 502 may include: and the browser receives the data acquisition request of the central server through the preset interface, returns the data acquisition request according to the second path information, and encapsulates a second video networking protocol data packet of the original data based on a video networking protocol.
The second path information is used for indicating the transmission path of the second video network protocol data packet in the video network. Therefore, the second path information may include information of a preset interface on the browser, information of a communication port on the central server, a transmission direction, and the like, where the transmission direction is from the communication port on the central server to the preset interface on the browser, the information of the preset interface may include a name, an identifier, and the like of the preset interface, and the information of the communication port may include a name, an identifier, an address, and the like of the communication port.
And after receiving the second video networking protocol data packet, the browser analyzes the second video networking protocol data packet to obtain original data in the second video networking protocol data packet and obtain information of a plurality of video networking servers in the target area. The browser can process the information of the plurality of video network servers in the target area so as to display the information according to the hierarchical relationship.
The information of the video network server can comprise Identification (ID) of the video network server and identification (PID) of a parent video network server of the video network server. The browser can respectively determine the parent-level video network server corresponding to each video network server according to the information.
In a preferred embodiment, this step 503 may include: the browser searches whether the identifier of the parent-level video networking server of the current video networking server exists in the information of the plurality of video networking servers through recursive traversal aiming at each video networking server; and if the identifier exists, the browser determines the visual network server corresponding to the searched identifier as a parent visual network server of the current visual network server. If not, the browser determines that the current video network server does not have a parent video network server in the target area.
For example, the target area selected by the user is Beijing, the Beijing includes 6 video networking servers, the browser is obtained by searching, the identifier of one video networking server is 1, and the identifier of the parent video networking server is 3; the identifier of one video network server is 2, and the identifier of the parent video network server is 3; the identifier of one video network server is 3, and the identifier of the parent video network server is 6; the identifier of one video network server is 4, and the identifier of the parent video network server is 5; one video network server is marked as 5, and the parent video network server is marked as 6; one of the visual network servers is identified as 6, which has no parent visual network server in the target area.
And step 504, the browser generates a server directory tree according to the information of each video network server and the corresponding parent video network server information, and displays the server directory tree.
After determining the parent-level video network servers of each video network server, the browser can generate a server directory tree according to the parent-child relationship among the video network servers and the information of each video network server and the corresponding parent-level video network server information.
In a preferred embodiment, this step 504 may include: the browser takes a video network server as a data node and takes the information of the video network server as the value of the corresponding data node; and the browser performs the combination and splicing of the subordination relation on each data node and the corresponding parent data node through recursive traversal according to the JSON data exchange format and the value of each data node, and generates a server directory tree by using the values of each data node and each data node.
JSON (JavaScript Object Notification) is a lightweight data exchange format. JSON can convert a set of data represented in a JavaScript object into a string.
JSON is built in two structures:
a collection of "name/value" pairs (A collection of name/value pairs). In different languages, it is understood as an object (object), a record (record), a structure (struct), a dictionary (dictionary), a hash table (hash table), a keyed list (keyed list), or an associative array (associative array).
2. An ordered list of values (ordered list of values). In most languages, it is understood as an array (array).
Thus, the browser can convert the information of the internet of view server into a JSON data exchange format, such as into a "name/value" pair format. According to the JSON data exchange format, the browser carries out the combination splicing of the subordination relation on each data node and the corresponding parent data node through recursive traversal, and then the server directory tree can be generated.
For example, for the 6 video network servers mentioned in the above step 503, through the combined concatenation of the dependencies, a data node corresponding to the video network server whose root node of the server directory tree is identified as 6 can be obtained; the data node corresponding to the video network server marked as 6 is provided with two sub-nodes, namely a data node corresponding to the video network server marked as 3 and a data node corresponding to the video network server marked as 5; the data node corresponding to the video network server marked with 3 is provided with two sub-nodes which are respectively the data node corresponding to the video network server marked with 1 and the data node corresponding to the video network server marked with 2; the data node corresponding to the video network server marked as 5 has a child node which is the data node corresponding to the video network server marked as 4.
After the browser generates the server directory tree, the browser can also display the server directory tree in the interface.
In a specific implementation, the browser may perform recursive traversal on the server directory tree, and perform parsing and rendering on the server directory tree, so that the server directory tree is visually displayed in the browser.
During parsing rendering, the browser will parse the following three contents:
(1) HTML, parsing the HTML document results in a DOM tree.
(2) CSS, parsing the CSS generates a CSS rule tree.
(3) And the Javascript script is analyzed, wherein the DOM tree and the CSSOM rule tree are operated through the DOM API and the CSSOM API.
Specifically, when the browser obtains an HTML file (i.e., the above-mentioned server directory tree), the HTML file is loaded "from top to bottom", and parsing and rendering are performed during the loading process.
1. The browser can analyze the HTML into a DOM tree, and the construction process of the DOM tree is a deep traversal process: all child nodes of the current node are constructed before the next sibling node of the current node is constructed.
2. The CSS is parsed into a CSS rule tree.
3. A Render Tree is constructed from the DOM Tree and CSSOM.
4. With the Render Tree, the browser has been able to know which nodes are in the web page, the CSS definitions of the various nodes, and their dependencies. The next operation is called Layout, and the position of each node in the screen is calculated as the name implies.
5. And the next step is drawing, namely traversing the Render Tree, and drawing each node by using the UI back-end layer.
Therefore, the user can check the server directory tree in the target area concerned by the user in the browser, and more intuitively see the subordination relation of each video network server, so that the user can more conveniently inquire and other operations.
According to the embodiment of the invention, the user can check the information of the video network server in the video network through the browser according to the self requirement, and the browser can carry out hierarchical analysis on the information of the video network server and clearly display the information of the video network server concerned by the user to the user in the form of the server directory tree, so that the user can quickly find the required data, the process is simple and convenient, the efficiency is high, and the user experience is improved.
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.
Example two
Referring to fig. 6, a block diagram of an information display device according to a second embodiment of the present invention is shown. The device can be applied to the video network, and the video network comprises a browser, a central server and a plurality of video network servers.
The information display device of the embodiment of the invention can comprise the following modules positioned in the browser:
the sending module 601 is configured to generate a data acquisition request according to operation information of a user, call a preset interface, and send the data acquisition request to the central server based on a video networking protocol; the operation information comprises a target area;
a receiving module 602, configured to receive, through the preset interface, original data returned by the central server for the data acquisition request based on a video networking protocol; the raw data comprises information of a plurality of video network servers in the target area;
a determining module 603, configured to determine, according to the information of the multiple video networking servers, a parent video networking server corresponding to each video networking server respectively;
the generating module 604 is configured to generate a server directory tree according to the information of each video network server and the corresponding parent video network server information, and display the server directory tree.
In a preferred embodiment, the generating module comprises: the node determining unit is used for taking a video network server as a data node and taking the information of the video network server as the value of the corresponding data node; and the directory generation unit is used for performing combined splicing of the subordination relation between each data node and the corresponding parent level data node according to the JSON data exchange format and the value of each data node, and generating a server directory tree by using the values of each data node and each data node.
In a preferred embodiment, the information of the video network server includes an identification of the video network server and an identification of a parent video network server of the video network server, and the determining module includes: the information searching unit is used for searching whether the identifier of the parent-level video networking server of the current video networking server exists in the information of the plurality of video networking servers or not aiming at each video networking server; and the server determining unit is used for determining the visual network server corresponding to the searched identifier as a parent visual network server of the current visual network server if the visual network server exists.
In a preferred embodiment, the sending module includes: the request encapsulation unit is used for encapsulating the data acquisition request into a first video networking protocol data packet comprising first path information based on a video networking protocol; the first path information is used for indicating a transmission path of the first video network protocol data packet in a video network; and the data sending unit is used for calling a preset interface and sending the first video networking protocol data packet to the central server according to the first path information.
In a preferred embodiment, the receiving module is specifically configured to receive, through the preset interface, a second video networking protocol data packet, which is returned by the central server according to the second path information and is based on the video networking protocol to encapsulate the original data, for the data acquisition request; the second video network protocol data packet comprises the second path information, and the second path information is used for indicating a transmission path of the second video network protocol data packet in the video network.
According to the embodiment of the invention, the user can check the information of the video network server in the video network through the browser according to the self requirement, and the browser can carry out hierarchical analysis on the information of the video network server and clearly display the information of the video network server concerned by the user to the user in the form of the server directory tree, so that the user can quickly find the required data, the process is simple and convenient, the efficiency is high, and the user experience is improved.
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 an information display method and an information display device, and the principle and the implementation of the present invention are explained in detail by applying specific examples, and the description of the above examples 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. An information display method is applied to a video network, wherein the video network comprises a browser, a central server and a plurality of video network servers, and the method comprises the following steps:
the browser generates a data acquisition request according to the operation information of the user, calls a preset interface, and sends the data acquisition request to the central server based on a video networking protocol; the operation information comprises a target area;
the browser receives original data returned by the central server based on a video networking protocol aiming at the data acquisition request through the preset interface; the raw data comprises information of a plurality of video network servers in the target area;
the browser determines a parent-level video networking server corresponding to each video networking server according to the information of the plurality of video networking servers;
and the browser generates a server directory tree according to the information of each video network server and the corresponding parent video network server information, and displays the server directory tree.
2. The method of claim 1, wherein the step of the browser generating the server directory tree according to the information of each of the corresponding visual network servers and the information of the corresponding parent visual network server comprises:
the browser takes a video network server as a data node and takes the information of the video network server as the value of the corresponding data node;
and the browser performs combined splicing of the subordination relation of each data node and the corresponding parent level data node according to the JSON data exchange format and the value of each data node, and generates a server directory tree by using the values of each data node and each data node.
3. The method of claim 1, wherein the information of the IoV server comprises an identification of the IoV server and an identification of a parent IoV server of the IoV server,
the browser respectively determines a parent-level video network server corresponding to each video network server according to the information of the plurality of video network servers, and the method comprises the following steps:
the browser searches whether the identifier of a parent-level video network server of the current video network server exists in the information of the plurality of video network servers aiming at each video network server;
if the identifier exists, the browser determines the visual networking server corresponding to the found identifier as a parent visual networking server of the current visual networking serverIf not, the browser determines that the current video networking server does not exist in the target area At parent level video network server。
4. The method according to claim 1, wherein the step of calling the preset interface and sending the data acquisition request to the central server based on a video networking protocol comprises:
the browser packages the data acquisition request into a first video networking protocol data packet comprising first path information based on a video networking protocol; the first path information is used for indicating a transmission path of the first video network protocol data packet in a video network;
and the browser calls a preset interface and sends the first video networking protocol data packet to the central server according to the first path information.
5. The method according to claim 1, wherein the step of the browser receiving, through the preset interface, the original data returned by the central server for the data acquisition request based on the internet protocol includes:
the browser receives the data acquisition request of the central server through the preset interface, returns the data acquisition request according to second path information, and encapsulates a second video networking protocol data packet of the original data based on a video networking protocol;
the second video network protocol data packet comprises the second path information, and the second path information is used for indicating a transmission path of the second video network protocol data packet in the video network.
6. An information display device, wherein the device is applied to a video network, the video network comprises a browser, a central server and a plurality of video network servers, the browser comprises:
the sending module is used for generating a data acquisition request according to the operation information of the user, calling a preset interface and sending the data acquisition request to the central server based on a video networking protocol; the operation information comprises a target area;
the receiving module is used for receiving original data returned by the central server based on a video networking protocol aiming at the data acquisition request through the preset interface; the raw data comprises information of a plurality of video network servers in the target area;
the determining module is used for respectively determining a parent-level video networking server corresponding to each video networking server according to the information of the plurality of video networking servers;
and the generating module is used for generating a server directory tree according to the information of each video network server and the corresponding parent video network server information, and displaying the server directory tree.
7. The apparatus of claim 6, wherein the generating module comprises:
the node determining unit is used for taking a video network server as a data node and taking the information of the video network server as the value of the corresponding data node;
and the directory generation unit is used for performing combined splicing of the subordination relation between each data node and the corresponding parent level data node according to the JSON data exchange format and the value of each data node, and generating a server directory tree by using the values of each data node and each data node.
8. The apparatus of claim 6, wherein the information of the visual networking server comprises an identification of the visual networking server and an identification of a parent visual networking server of the visual networking server, and wherein the determining module comprises:
the information searching unit is used for searching whether the identifier of the parent-level video networking server of the current video networking server exists in the information of the plurality of video networking servers or not aiming at each video networking server;
a server determining unit, configured to determine, if the identifier exists, the view networking server corresponding to the found identifier as a parent view networking server of the current view networking serverIf not, the browser determines that the current video networking server is at the target No parent-level video networking server exists in region。
9. The apparatus of claim 6, wherein the sending module comprises:
the request encapsulation unit is used for encapsulating the data acquisition request into a first video networking protocol data packet comprising first path information based on a video networking protocol; the first path information is used for indicating a transmission path of the first video network protocol data packet in a video network;
and the data sending unit is used for calling a preset interface and sending the first video networking protocol data packet to the central server according to the first path information.
10. The apparatus of claim 6,
the receiving module is specifically configured to receive, through the preset interface, a second video networking protocol data packet, which is returned by the central server according to the second path information and encapsulates the original data based on a video networking protocol, for the data acquisition request;
the second video network protocol data packet comprises the second path information, and the second path information is used for indicating a transmission path of the second video network protocol data packet in the video network.
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| CN110417737A (en) * | 2019-06-26 | 2019-11-05 | 视联动力信息技术股份有限公司 | Meeting-place catalogue data methods of exhibiting, device, electronic equipment and storage medium |
| CN110619066B (en) * | 2019-08-30 | 2022-03-25 | 视联动力信息技术股份有限公司 | Information acquisition method and device based on directory tree |
| CN111614921A (en) * | 2020-04-15 | 2020-09-01 | 视联动力信息技术股份有限公司 | Communication method and device |
| CN111800308B (en) * | 2020-05-21 | 2023-06-13 | 视联动力信息技术股份有限公司 | Data processing method and device |
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