CN108881148B - Data acquisition method and device - Google Patents

Data acquisition method and device Download PDF

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Publication number
CN108881148B
CN108881148B CN201711485415.2A CN201711485415A CN108881148B CN 108881148 B CN108881148 B CN 108881148B CN 201711485415 A CN201711485415 A CN 201711485415A CN 108881148 B CN108881148 B CN 108881148B
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module
function module
network
target
data
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CN108881148A (en
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魏莹
安君超
韩杰
姜佩佩
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Visionvera Information Technology Co Ltd
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Visionvera Information Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/02Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0281Proxies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/61Network physical structure; Signal processing
    • H04N21/6106Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/61Network physical structure; Signal processing
    • H04N21/6156Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6175Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via Internet
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/643Communication protocols
    • H04N21/64322IP

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The embodiment of the invention provides a data acquisition method and a data acquisition device, wherein the method comprises the following steps: when a data request sent by a functional module of an application is detected, determining whether the functional module belongs to a target functional module set; if the functional module belongs to the target functional module set, the data request is sent to a preset proxy server; receiving data information acquired by the proxy server; and displaying the data information on a designated interface corresponding to the functional module. The problem that the normal functions of partial modules which do not need to be proxied are influenced by the HTTP proxy in the prior art is solved, and the beneficial effect that the proxy is differentiated to ensure the normal functions of the partial modules is achieved.

Description

Data acquisition method and device
Technical Field
The invention relates to the technical field of video networking, in particular to a data acquisition method and device.
Background
With the rapid development of network technology, the acquisition of data through the proxy server takes more and more weight. The proxy server is mostly used to connect to the internet and a local area network, and thus may function as a firewall.
Currently, the most commonly used proxy is a hypertext Transfer Protocol (HTTP) proxy. After setting up an HTTP proxy for an application, all HTTP functions of the application acquire data through the proxy.
It can be seen that the HTTP proxy affects the normal functionality of some modules that do not require a proxy.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a data acquisition method and a corresponding data acquisition 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 a data acquisition method, which is applied to a video network and includes:
when a data request sent by a functional module of an application is detected, determining whether the functional module belongs to a target functional module set;
if the functional module belongs to the target functional module set, the data request is sent to a preset proxy server;
receiving data information acquired by the proxy server;
and displaying the data information on a designated interface corresponding to the functional module.
Optionally, the data information is obtained from a video network.
Optionally, before the step of determining whether the function module belongs to the target function module set when the data request sent by the function module of the application is detected, the method further includes:
and adding the specified function module to the target function module set.
Optionally, before the step of determining whether the function module belongs to the target function module set when the data request sent by the function module of the application is detected, the method further includes:
the specified function module is deleted from the set of target function modules.
Optionally, before the step of determining whether the function module belongs to the target function module set when the data request sent by the function module of the application is detected, the method further includes:
and setting a proxy server for the target function module set.
The embodiment of the invention also discloses a data acquisition device, which is applied to the video network and comprises the following components:
the function module judging module is used for determining whether the function module belongs to a target function module set or not when detecting a data request sent by the applied function module;
the proxy module is used for sending the data request to a preset proxy server if the functional module belongs to a target functional module set;
the data information receiving module is used for receiving the data information acquired by the proxy server;
and the data information display module is used for displaying the data information on the designated interface corresponding to the functional module.
Optionally, the data information is obtained from a video network.
Optionally, the apparatus further comprises:
and the target function module adding module is used for adding the specified function module to the target function module set.
Optionally, the apparatus further comprises:
and the target function module deleting module is used for deleting the specified function module from the target function module set.
Optionally, the apparatus further comprises:
and the proxy server setting module is used for setting a proxy server for the target function module set.
The embodiment of the invention has the following advantages:
when a data request sent by a functional module of an application is detected, determining whether the functional module belongs to a target functional module set; if the functional module belongs to the target functional module set, the data request is sent to a preset proxy server; receiving data information acquired by the proxy server; and displaying the data information on a designated interface corresponding to the functional module. The problem that the normal functions of partial modules which do not need to be proxied are influenced by the HTTP proxy in the prior art is solved, and the beneficial effect that the proxy is differentiated to ensure the normal functions of the partial modules is achieved.
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 flow chart of the steps of one data acquisition method embodiment of the present invention;
fig. 6 is a block diagram of a data acquisition apparatus according to an 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 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 above characteristics of the video network, one of the core concepts of the embodiments of the present invention is proposed, and browser proxy is performed on part of the function modules of the application, while browser proxy is not performed on other function modules, in compliance with the protocol of the video network.
Referring to fig. 5, a flowchart illustrating steps of an embodiment of a data acquisition method according to the present invention is shown, where the method may be applied to a video network, and specifically may include the following steps:
step 501, adding the designated function module to the target function module set.
The target function module set is an agent module set. In practical application, the function module can be initialized to be empty, and part of the function modules can be designated as default proxy modules.
The embodiment of the invention can allow the functional module to be added to the target functional module set according to the actual application requirement.
In practical applications, the set of target function modules may be saved to a specified location.
Step 502, delete the designated functional module from the set of target functional modules.
The embodiment of the invention allows the designated function module to be deleted from the target function module set according to the actual application requirement. Therefore, the data can be directly acquired from the target network for the functional module with poor data acquisition effect through the proxy.
Step 503, a proxy server is set for the target function module set.
The proxy server serves as an intermediate server for connecting the terminal and the target network by communicating with the target network while receiving a request from the terminal.
In the embodiment of the invention, the target network is the video network, and the proxy server is the video network proxy server.
It is understood that the proxy server may be configured according to an actual application scenario. The embodiments of the present invention do not limit them.
Step 504, when detecting a data request sent by a functional module of an application, determining whether the functional module belongs to a target functional module set.
Specifically, whether the function module belongs to the target function module set is determined through the function module identification. If the functional module identification is the same as the identification of at least one functional module in the target functional module set, determining the functional module as a module needing agent; and if the functional module identification is different from the identifications of all the functional modules in the target functional module set, determining that the functional module is an unnecessary agent module.
And 505, if the functional module belongs to the target functional module set, sending the data request to a preset proxy server.
Wherein, the preset proxy server is the proxy server set in step 503.
For the module needing the proxy function, the sent data request is firstly sent to the proxy server, and the data is obtained through the communication between the proxy server and the target server without directly accessing the target server to obtain the data.
Step 506, receiving the data information acquired by the proxy server.
The data information is acquired by the proxy server from the target server. It will be appreciated that the format of the data information is related to the type of target server.
In the embodiment of the invention, the target server is a server corresponding to the video network, and the data information is video data.
In a preferred embodiment of the invention, the data information is obtained from a video network.
Specifically, the video network compresses, encodes and encapsulates the data information and then sends the data information to the proxy server, so that the proxy server distributes the data information to the terminal.
And 507, displaying the data information on a designated interface corresponding to the functional module.
It can be understood that when the terminal receives the data information sent by the proxy server, the data information is decompressed and unpacked, and then displayed on the interface corresponding to the functional module initiating the data request.
In the embodiment of the invention, when a data request sent by a functional module of an application is detected, whether the functional module belongs to a target functional module set is determined; if the functional module belongs to the target functional module set, the data request is sent to a preset proxy server; receiving data information acquired by the proxy server; and displaying the data information on a designated interface corresponding to the functional module. The problem that the normal functions of partial modules which do not need to be proxied are influenced by the HTTP proxy in the prior art is solved, and the beneficial effect that the proxy is differentiated to ensure the normal functions of the partial modules is achieved. In addition, the functional module needing to be proxied can be flexibly updated.
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. 6, a block diagram of a data acquisition apparatus according to an embodiment of the present invention is shown, where the apparatus may be applied in a video network, and specifically may include the following modules:
and a target function module adding module 601, configured to add the specified function module to the target function module set.
A target function module deleting module 602, configured to delete the specified function module from the target function module set.
A proxy server setting module 603, configured to set a proxy server for the target function module set.
A function module judging module 604, configured to determine whether the function module belongs to the target function module set when detecting a data request sent by the function module of the application.
And the proxy module 605 is configured to send the data request to a preset proxy server if the functional module belongs to the target functional module set.
A data information receiving module 606, configured to receive the data information obtained by the proxy server.
And a data information display module 607, configured to display the data information on a designated interface corresponding to the function module.
In a preferred embodiment of the invention, the data information is obtained from a video network.
In the embodiment of the invention, when a data request sent by a functional module of an application is detected, whether the functional module belongs to a target functional module set is determined; if the functional module belongs to the target functional module set, the data request is sent to a preset proxy server; receiving data information acquired by the proxy server; and displaying the data information on a designated interface corresponding to the functional module. The problem that the normal functions of partial modules which do not need to be proxied are influenced by the HTTP proxy in the prior art is solved, and the beneficial effect that the proxy is differentiated to ensure the normal functions of the partial modules is achieved. In addition, the functional module needing to be proxied can be flexibly updated.
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 data acquisition method and apparatus provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained in detail herein 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 (8)

1. A data acquisition method is applied to a video network and comprises the following steps:
when a data request sent by a functional module of an application is detected, determining whether the functional module belongs to a target functional module set;
if the functional module belongs to the target functional module set, the data request is sent to a preset proxy server;
receiving data information acquired by the proxy server;
displaying the data information on a designated interface corresponding to the functional module;
before the step of determining whether the function module belongs to the target function module set when the data request sent by the function module of the application is detected, the method further includes:
setting a proxy server for the target function module set;
the data information is acquired by the proxy server from the video network.
2. The method of claim 1, wherein the data information is obtained from a video network.
3. The method according to claim 1, wherein before the step of determining whether the function module belongs to the target function module set when detecting the data request sent by the function module of the application, the method further comprises:
and adding the specified function module to the target function module set.
4. The method according to claim 1, wherein before the step of determining whether the function module belongs to the target function module set when detecting the data request sent by the function module of the application, the method further comprises:
the specified function module is deleted from the set of target function modules.
5. A data acquisition device, characterized in that, the device is applied in the visual network, including:
the function module judging module is used for determining whether the function module belongs to a target function module set or not when detecting a data request sent by the applied function module;
the proxy module is used for sending the data request to a preset proxy server if the functional module belongs to a target functional module set;
the data information receiving module is used for receiving the data information acquired by the proxy server;
the data information display module is used for displaying the data information on a designated interface corresponding to the functional module;
wherein the apparatus further comprises:
the proxy server setting module is used for setting a proxy server for the target function module set;
the data information is acquired by the proxy server from the video network.
6. The apparatus of claim 5, wherein the data information is obtained from a video network.
7. The apparatus of claim 5, further comprising:
and the target function module adding module is used for adding the specified function module to the target function module set.
8. The apparatus of claim 5, further comprising:
and the target function module deleting module is used for deleting the specified function module from the target function module set.
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