CN110198345A - A kind of data request method, system and device and storage medium - Google Patents

A kind of data request method, system and device and storage medium Download PDF

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Publication number
CN110198345A
CN110198345A CN201910372772.0A CN201910372772A CN110198345A CN 110198345 A CN110198345 A CN 110198345A CN 201910372772 A CN201910372772 A CN 201910372772A CN 110198345 A CN110198345 A CN 110198345A
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China
Prior art keywords
server
ethernet
heading
request
data
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Granted
Application number
CN201910372772.0A
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Chinese (zh)
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CN110198345B (en
Inventor
李飞
龙宇峰
史鑫
牛永会
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Visionvera Information Technology Co Ltd
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Visionvera Information Technology Co Ltd
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Priority to CN201910372772.0A priority Critical patent/CN110198345B/en
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    • 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
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/2866Architectures; Arrangements
    • H04L67/2876Pairs of inter-processing entities at each side of the network, e.g. split proxies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/56Provisioning of proxy services
    • H04L67/565Conversion or adaptation of application format or content

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the invention provides a kind of data request methods, system and device and a kind of computer readable storage medium, wherein, the described method includes: the first heading that proxy terminal removes in the first request data package obtains the second request data package, it is inquired in mapping relations according to the first heading and obtains the address information of ethernet server, second request data package and address information are transmitted to proxy server, proxy server sends the second request data package to ethernet server according to address information, and receive the second response data packet of ethernet server return;Proxy terminal receives the second response data packet, adds the second heading for the second response data packet and obtains the first response data packet, application program parses the first response data packet and obtains target data.Transmission in view networking of the embodiment of the present invention does not include the data packet of heading, reduces when transmitting data packet in view networking to the occupancy of view networking bandwidth.

Description

A kind of data request method, system and device and storage medium
Technical field
The present invention relates to view networking technology fields, more particularly to a kind of data request method, system and device and one Kind computer readable storage medium.
Background technique
It is a kind of dedicated network for being used for high-speed transfer HD video and specialized protocol based on ethernet hardware depending on networking, It is the more advanced form of Ethernet depending on networking, is a real-time network.
Currently, in the case where needing to access the server in Ethernet depending on the browser in networking, depending on clear in networking Device of looking at needs to carry the network address comprising the server in local network address and Ethernet in data access request Heading, moreover, the data access request for carrying heading is transferred in Ethernet from depending on networking, a large amount of data access Request occupies more view networking bandwidth resources.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind A kind of data request method, system and a kind of device that solve the above problems and a kind of computer readable storage medium.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of data request method, the method is applied to view Networking, the view networking are connect with ethernet communication, wherein include proxy terminal and proxy server, institute in the view networking It states and is provided with application program on proxy terminal, include ethernet server in the Ethernet;The proxy server respectively with The proxy terminal and ethernet server communication connection;The described method includes: the proxy terminal obtains the first request Data packet, and remove the first heading in first request data package and obtain the second request data package, first request Data packet indicates that the application program obtains target data to the ethernet server;The proxy terminal is according to described first Heading is inquired in preset mapping relations and obtains the address information of the ethernet server, by second request data Packet and the address information are transmitted to the proxy server, and the proxy server is used to send institute according to the address information The second request data package is stated to the ethernet server, and receives the ethernet server according to second request data The second response data packet returned is wrapped, second response data packet includes the target data;The proxy terminal is from described Proxy server receives second response data packet, and adds the second heading for second response data packet and obtain first Response data packet, the application program obtain the target data for parsing first response data packet.
Optionally, the source address of first heading is the virtual address of the application program, first heading Destination address be the ethernet server identification information;The proxy terminal is according to first heading preset The step of inquiry obtains the address information of the ethernet server in mapping relations, comprising: the proxy terminal is according to The identification information of ethernet server is inquired in the mapping relations between preset identification information and address information to be obtained and institute State the address information of the corresponding ethernet server of identification information of ethernet server.
Optionally, the proxy terminal further includes Microsoft Loopback Adapter and data conversion equipment;The proxy terminal obtains first Request data package, and the step of the first heading in first request data package obtains the second request data package is removed, it wraps Include: the data conversion equipment receives first request data package from the application program using the Microsoft Loopback Adapter, And it removes first heading in first request data package and obtains second request data package.
Optionally, the proxy terminal further includes data transmitting/receiving equipment;The proxy terminal is according to first heading Inquiry obtains the address information of the ethernet server in preset mapping relations, by second request data package and institute State the step of address information is transmitted to the proxy server, comprising: the data conversion equipment is according to first heading Inquiry obtains the address information of the ethernet server in the mapping relations;The data conversion equipment utilizes the void Quasi- network interface card transmits second request data package and the address information to the data transmitting/receiving equipment, so as to the data transmit-receive Second request data package and the address information are sent to the proxy server by equipment.
Optionally, the source address of second heading is the address information of the ethernet server, second report The destination address of literary head is the virtual address of the application program;The proxy terminal receives described the from the proxy server Two response data packets, and the step of the second heading obtains the first response data packet, packet are added for second response data packet Include: the data conversion equipment receives second response data packet from the data transmitting/receiving equipment using the Microsoft Loopback Adapter, And second heading is added for second response data packet and obtains first response data packet;The method is also wrapped Include: first response data packet is back to the application program using the Microsoft Loopback Adapter by the data conversion equipment.
The embodiment of the invention also discloses a kind of request of data system, the system is applied to view networking, the view networking It is connect with ethernet communication, wherein include proxy terminal and proxy server in the view networking, be arranged on the proxy terminal There is application program, includes ethernet server in the Ethernet;The proxy server respectively with the proxy terminal and institute State ethernet server communication connection;The proxy terminal, further includes: heading removes module, for obtaining the first number of request According to packet, and removes the first heading in first request data package and obtain the second request data package, first number of request Indicate that the application program obtains target data to the ethernet server according to packet;Address lookup module, for according to First heading is inquired in preset mapping relations and obtains the address information of the ethernet server, and described second is requested Data packet and the address information are transmitted to the proxy server, and the proxy server is used to send out according to the address information It send second request data package to the ethernet server, and receives the ethernet server according to second request The second response data packet that data packet returns, second response data packet includes the target data;Heading adding module, For receiving second response data packet from the proxy server, and the second message is added for second response data packet Head obtains the first response data packet, and the application program obtains the target data for parsing first response data packet.
Optionally, the source address of first heading is the virtual address of the application program, first heading Destination address be the ethernet server identification information;The address lookup module, for being taken according to the Ethernet The identification information of business device is inquired in the mapping relations between preset identification information and address information and is obtained and the Ethernet The address information of the corresponding ethernet server of the identification information of server.
Optionally, the proxy terminal further includes Microsoft Loopback Adapter;The heading removes module, described virtual for utilizing Network interface card receives first request data package from the application program, and removes described in first request data package First heading obtains second request data package;The proxy terminal further includes data transmitting/receiving equipment;The address lookup Module obtains the address letter of the ethernet server for inquiring in the mapping relations according to first heading Breath, and second request data package and the address information are transmitted to the data transmitting/receiving equipment using the Microsoft Loopback Adapter, So that second request data package and the address information are sent to the proxy server by the data transmitting/receiving equipment;Institute The source address for stating the second heading is the address information of the ethernet server, and the destination address of second heading is institute State the virtual address of application program;The heading adding module, for being set using the Microsoft Loopback Adapter from the data transmit-receive It is standby to receive second response data packet, second heading, which is added, for second response data packet obtains first sound Data packet is answered, and first response data packet is back to the application program using the Microsoft Loopback Adapter.
The embodiment of the invention also discloses a kind of devices, comprising:
One or more processors;With
One or more machine readable medias of instruction are stored thereon with, are executed when by one or more processors When, so that described device executes one or more data request methods as described in the embodiments of the present invention.
The embodiment of the invention also discloses the computer programs of a kind of computer readable storage medium, storage to handle Device executes data request method as described in the embodiments of the present invention.
The embodiment of the present invention includes following advantages:
Request of data scheme provided in an embodiment of the present invention is applied in view networking, can connect with ethernet communication depending on networking It connects.It may include proxy terminal and proxy server depending on networking, application program be provided on proxy terminal, Ethernet may include Ethernet server, proxy server can be communicated to connect with proxy terminal and ethernet server respectively, on proxy terminal Application program can access the data on ethernet server by proxy server.
In the embodiment of the present invention, application program generates the first request data package for carrying heading, proxy terminal removal Heading in first request data package obtains the second request data package, that is to say, that does not include in the second request data package Heading.Proxy terminal is inquired in preset mapping relations according to the first heading obtains the address letter of ethernet server Breath, is transmitted to proxy server for the second request data package and address information.Proxy server can be sent according to address information Second request data package is to ethernet server.Ethernet server can be returned according to the second request data package does not include message Second response data packet of head is to proxy server.Second response data packet is transmitted to proxy terminal by proxy server.Agency Terminal is that the second response data packet addition heading obtains the first response data packet, then the first response data packet is transmitted to application Program.
Proxy terminal in the embodiment of the present invention can remove the heading in the first request data package of application program, obtain The second request data package is transmitted to proxy server to the second request data package for not including heading, and in view is networked.Generation Second request data package is sent to ethernet server again by reason server, and then is received from ethernet server and do not included message Second response data packet of head, then the second response data packet is sent to proxy terminal.Proxy terminal is the second response data packet Addition heading obtains the first response data packet, and the first response data packet is back to application program.The embodiment of the present invention is regarding Transmission does not include the data packet of heading in networking, and the mesh of the application program access ethernet server in view networking can be realized Data are marked, are reduced when transmitting data packet in view networking to the occupancy of view networking bandwidth.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the invention;
Fig. 2 is a kind of hardware structural diagram of node server of the invention;
Fig. 3 is a kind of hardware structural diagram of access switch of the invention;
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway;
Fig. 5 is a kind of step flow chart of data request method embodiment of the embodiment of the present invention;
Fig. 6 is a kind of design schematic diagram of the method for view networking access Ethernet of the embodiment of the present invention;
Fig. 7 is the structural block diagram of proxy terminal in a kind of request of data system embodiment of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission, Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network First video flow.It is exchanged different from simple network packet packet switch (Packet Switching) or lattice network (Circuit Switching) meets Streaming demand using Packet Switching depending on networking technology.Depending on skill of networking Art has flexible, the simple and low price of packet switch, is provided simultaneously with the quality and safety assurance of circuit switching, realizes the whole network friendship Change the seamless connection of formula virtual circuit and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type " Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal. Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat Platform can form view networking;Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).Metropolitan Area Network (MAN) can be divided on the whole depending on networking (or national net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array Module 204;
Wherein, the Bao Jun that Network Interface Module 201, CPU module 203, disk array module 204 are come in enters switching engine Module 202;Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet; And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206;If the queue of pack buffer 206 is close It is full, then it abandons;All pack buffer queues of 202 poll of switching engine module, are forwarded: 1) end if meeting the following conditions It is less than that mouth sends caching;2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, packet Include the operation such as initialization, read-write to hard disk;CPU module 203 be mainly responsible for access switch, terminal (not shown) it Between protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table) Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304;
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305;Packet detection mould Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met, It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon;Uplink network interface mould The packet (downlink data) that block 302 is come in enters switching engine module 303;The data packet that CPU module 304 is come in enters switching engine Module 303;Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet; If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier (stream-id) packet is stored in the queue of corresponding pack buffer 307;If the queue of the pack buffer 307 is close full, It abandons;If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet Navigation information is stored in the data packet queue of corresponding pack buffer 307;If the queue of the pack buffer 307 is close full, Then abandon.
All pack buffer queues of 303 poll of switching engine module, may include two kinds of situations:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1) It is less than that the port sends caching;2) the queue package counting facility is greater than zero;3) token that rate control module generates is obtained;
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded: 1) it is less than to send caching for the port;2) the queue package counting facility is greater than zero.
Rate control module 308 is configured by CPU module 304, to all downlink networks in programmable interval Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and, Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module 402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405;Packet detection module 405 is examined Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting Identifier (stream-id);Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410 (2byte), and enter corresponding receive and cache, otherwise abandon;
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module;For example, set-top box mainly connects including network Mouth mold block, video/audio encoding and decoding engine modules, CPU module;Encoding board mainly includes Network Interface Module, video encoding engine Module, CPU module;Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server. Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module;Metropolitan area server mainly includes Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes, payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
DA SA Reserved Payload CRC
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address, Seven, the 8th bytes are access net address;
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA);
Reserve bytes are made of 2 bytes;
The part payload has different length according to the type of different datagrams, is if it is various protocol packages 64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly;
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into 0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN) Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
DA SA Reserved Label Payload CRC
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position Set is between the reserve bytes and payload of data packet.
With reference to Fig. 5, a kind of step flow chart of data request method embodiment of the embodiment of the present invention, the data are shown Requesting method can be applied to view networking, can connect with ethernet communication depending on networking, wherein depending on may include agency in networking Terminal and proxy server can be set application program on proxy terminal, may include ethernet server in Ethernet;Generation Managing server can communicate to connect with proxy terminal and ethernet server respectively, the data request method can specifically include as Lower step:
Step 501, proxy terminal obtains the first request data package, and removes the first heading in the first request data package Obtain the second request data package.
In the embodiment of the present invention, depending on being equipped with application program on the proxy terminal in networking, which can be clear Look at the clients such as device.Application program needs to access the ethernet server in Ethernet, i.e. application program is to ethernet server Data access request is sent, ethernet server returns to target data to application program.
In practical applications, the first request data package can be generated in application program, can wrap in first request data package Relevant information containing target data to be visited, specific relevant information may include number, title, position etc., the present invention Embodiment is not specifically limited the content of the relevant information of target data and format etc..First request data package acts on In ethernet server is returned according to the full content or partial content acquisition target data in the first request data package Target data is to application program.
In one preferred embodiment of the invention, the first request data package can carry the first heading, this first The source address of heading can be the virtual address of application program, and the destination address of first heading can be Ethernet service The identification information of device.It should be noted that the identification information of ethernet server can be the title of ethernet server, compile Number, port numbers etc., the embodiment of the present invention is not specifically limited the content of the identification information of ethernet server and format etc..
In one preferred embodiment of the invention, proxy terminal can also include Microsoft Loopback Adapter and data conversion equipment. Data conversion equipment can use Microsoft Loopback Adapter and be communicated inside proxy terminal with application program.Proxy terminal obtains first During request data package, data conversion equipment can use Microsoft Loopback Adapter and receive the first request data from application program Packet, and then the first heading removed in the first request data package obtains the second request data package.It is removed in data conversion equipment During the first heading in first request data package, data conversion equipment can read first according to default rule and ask That seeks data packet presets one or several fields, will preset the corresponding data of one or several fields and is determined as the first heading, And then the first heading is deleted, retain the corresponding data of remaining field.Using the corresponding data of remaining field as the second number of request According to packet.
Step 502, proxy terminal is inquired in preset mapping relations according to the first heading and obtains ethernet server Address information, the second request data package and address information are transmitted to proxy server.
In the embodiment of the present invention, can preset ethernet server identification information and Ethernet address information it Between mapping relations.Proxy terminal can be according to the identification information of the ethernet server in the first heading, in mapping relations Middle inquiry obtains the address information of corresponding ethernet server.It should be noted that the address information of ethernet server can Think IP address or the socket number etc. of ethernet server, the embodiment of the present invention is to the address information of ethernet server Content and format etc. are not specifically limited.
Proxy terminal, can be by the address of ethernet server after inquiry obtains the address information of ethernet server Information and the second request data package are bound, and then send the address information and the second request data of the ethernet server after binding It wraps to proxy server.Proxy server can send second to ethernet server according to the address information of ethernet server Request data package.So far, the process that the second request data package is transmitted in view networking to Ethernet, second request data package are completed Not comprising heading.
After ethernet server receives the second request data package, the second request data package can be parsed to obtain The relevant information of target data to be visited, and then target data is got according to the relevant information of target data.Ethernet clothes Device needs be engaged according to target data the second response data packet of generation, and returns to the second response data packet to proxy server.Therefore, Ethernet server can generate the second response data packet according to target data according to pre-set data packet rule, for example, Certain fields of the second response data packet are provided in data packet rule for storing target data, then ethernet server is by target Data are stored to obtaining the second response data packet in accordingly field.Ethernet server is believed further according to the address of proxy server (proxy server can also send to ethernet server when sending the second request data package to ethernet server and act on behalf of breath The address information of server itself) the second response data packet for not including heading is returned to proxy server.
In one preferred embodiment of the invention, proxy terminal can also include data transmitting/receiving equipment.Data conversion is set Standby can be inquired in mapping relations according to the identification information of the ethernet server in the first heading obtains Ethernet service The address information of device recycles Microsoft Loopback Adapter that the address information of the second request data package and ethernet server is transmitted to data Transceiver.Data transmitting/receiving equipment can send the address information of the second request data package and ethernet server that receive To proxy server.
Step 503, proxy terminal receives the second response data packet from proxy server, and adds for the second response data packet Second heading obtains the first response data packet, obtains target data so that application program parses the first response data packet.
In the embodiment of the present invention, proxy server to proxy terminal return do not include heading the second response data packet it Afterwards, the second heading is added for the second response data packet obtain the first response data packet.Wherein, the source address of the second heading can Think the address information of ethernet server, the destination address of the second heading can be the virtual address of application program.In reality In the application of border, after data transmitting/receiving equipment receives the second response data packet from proxy server, using Microsoft Loopback Adapter by the second sound Data packet is answered to be transmitted to data conversion equipment.Data conversion equipment can be according to preset data packet rule in the second response data The content in the second heading is accordingly added in part field in packet, obtains the first response data packet.Data conversion equipment It again will include that the first response data packet of the second heading is transmitted to application program by Microsoft Loopback Adapter.Application program can be right The first response data packet received is parsed to obtain target data, and carries out the processing such as rendering to target data.
Based on a kind of above-mentioned related description about data request method embodiment, be described below a kind of view networking access with The method netted very much, as shown in fig. 6, browser sends the first ethernet access request to data packet conversion module by Microsoft Loopback Adapter Data packet ip_packet, the first ethernet access request data package ip_packet include IP packet head.Data packet modulus of conversion Block removes the IP packet head in the first ethernet access request data package ip_packet, obtains the second ethernet access number of request IP packet head is not included according to packet noip_packet, the second ethernet access request data package noip_packet.Data packet turns It changes the mold block and the second ethernet access request data package noip_packet is transmitted to proxy terminal agent by Microsoft Loopback Adapter.Generation Reason terminal passes through the proxy server that the second ethernet access request data package noip_packet is sent to distal end depending on networking proxy.Proxy server proxy by the second ethernet access request data package noip_packet by socket be forwarded to Too network server.Ethernet server is asked in response to the data access of the second ethernet access request data package noip_packet It asks, the second Ethernet response data packet, the second Ethernet response data packet is returned to proxy server proxy by socket Not comprising IP packet head.Proxy server proxy, which passes through the second Ethernet response data packet, is sent to proxy terminal depending on networking agent.Second Ethernet response data packet is transmitted to data packet conversion module by Microsoft Loopback Adapter by proxy terminal agent.Number It is that the second Ethernet response data packet addition IP packet head obtains the first Ethernet response data packet, and passes through according to packet conversion module Microsoft Loopback Adapter returns to the first Ethernet response data packet to browser.
Data request method provided in an embodiment of the present invention is applied in view networking, can connect with ethernet communication depending on networking It connects.It may include proxy terminal and proxy server depending on networking, application program be provided on proxy terminal, Ethernet may include Ethernet server, proxy server can be communicated to connect with proxy terminal and ethernet server respectively, on proxy terminal Application program can access the data on ethernet server by proxy server.
In the embodiment of the present invention, application program generates the first request data package for carrying heading, proxy terminal removal Heading in first request data package obtains the second request data package, that is to say, that does not include in the second request data package Heading.Proxy terminal is inquired in preset mapping relations according to the first heading obtains the address letter of ethernet server Breath, is transmitted to proxy server for the second request data package and address information.Proxy server can be sent according to address information Second request data package is to ethernet server.Ethernet server can be returned according to the second request data package does not include message Second response data packet of head is to proxy server.Second response data packet is transmitted to proxy terminal by proxy server.Agency Terminal is that the second response data packet addition heading obtains the first response data packet, then the first response data packet is transmitted to application Program.
Proxy terminal in the embodiment of the present invention can remove the heading in the first request data package of application program, obtain The second request data package is transmitted to proxy server to the second request data package for not including heading, and in view is networked.Generation Second request data package is sent to ethernet server again by reason server, and then is received from ethernet server and do not included message Second response data packet of head, then the second response data packet is sent to proxy terminal.Proxy terminal is the second response data packet Addition heading obtains the first response data packet, and the first response data packet is back to application program.The embodiment of the present invention is regarding Transmission does not include the data packet of heading in networking, and the mesh of the application program access ethernet server in view networking can be realized Data are marked, are reduced when transmitting data packet in view networking to the occupancy of view networking bandwidth.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented Necessary to example.
With reference to Fig. 7, the structural frames of proxy terminal in a kind of request of data system embodiment of the embodiment of the present invention are shown Figure, the system are applied to view networking, and the view networking is connect with ethernet communication, wherein include agency in the view networking Terminal and proxy server are provided with application program on the proxy terminal, include ethernet server in the Ethernet;Institute Proxy server is stated to communicate to connect with the proxy terminal and the ethernet server respectively;The proxy terminal further includes Following module:
Heading removes module 701, for obtaining the first request data package, and removes in first request data package First heading obtains the second request data package, and first request data package indicates that the application program takes to the Ethernet Business device obtains target data;Address lookup module 702, for being inquired in preset mapping relations according to first heading The address information of the ethernet server is obtained, second request data package and the address information are transmitted to the generation Server is managed, the proxy server is used to send second request data package to the Ethernet according to the address information Server, and the second response data packet that the ethernet server is returned according to second request data package is received, it is described Second response data packet includes the target data;Heading adding module 703, described in being received from the proxy server Second response data packet, and add the second heading for second response data packet and obtain the first response data packet, it is described to answer The target data is obtained for parsing first response data packet with program.
In one preferred embodiment of the invention, the source address of first heading is the virtual of the application program Address, the destination address of first heading are the identification information of the ethernet server;The address lookup module 702, it is closed for mapping of the identification information according to the ethernet server between preset identification information and address information Inquiry obtains the address information of the ethernet server corresponding with the identification information of the ethernet server in system.
In one preferred embodiment of the invention, the proxy terminal further includes Microsoft Loopback Adapter;The heading removal Module 701 for receiving first request data package from the application program using the Microsoft Loopback Adapter, and removes institute First heading stated in the first request data package obtains second request data package;The proxy terminal further includes number According to transceiver;The address lookup module 702 is obtained for being inquired in the mapping relations according to first heading The address information of the ethernet server, and second request data package and the address are transmitted using the Microsoft Loopback Adapter Information is to the data transmitting/receiving equipment, so that the data transmitting/receiving equipment is by second request data package and the address information It is sent to the proxy server;The source address of second heading is the address information of the ethernet server, described The destination address of second heading is the virtual address of the application program;The heading adding module 703, for utilizing institute It states Microsoft Loopback Adapter and receives second response data packet from the data transmitting/receiving equipment, add institute for second response data packet It states the second heading and obtains first response data packet, and returned to first response data packet using the Microsoft Loopback Adapter To the application program.
For request of data system embodiment, since it is substantially similar to data request method embodiment, so retouching That states is fairly simple, and related place illustrates referring to the part of data request method embodiment.
The embodiment of the invention also provides a kind of devices, comprising:
One or more processors;With
One or more machine readable medias of instruction are stored thereon with, are executed when by one or more of processors When, so that described device executes one or more data request methods as described in the embodiments of the present invention.
The embodiment of the invention also provides the computer programs of a kind of computer readable storage medium, storage to handle Device executes data request method as described in the embodiments of the present invention.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
It above can to a kind of data request method provided by the present invention, system and a kind of device and a kind of computer It reads storage medium to be described in detail, specific case used herein explains the principle of the present invention and embodiment It states, the above description of the embodiment is only used to help understand the method for the present invention and its core ideas;Meanwhile for this field Those skilled in the art, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute It states, the contents of this specification are not to be construed as limiting the invention.

Claims (10)

1. a kind of data request method, which is characterized in that the method is applied to view networking, the view networking and ethernet communication Connection, wherein include proxy terminal and proxy server in the view networking, is provided with application program on the proxy terminal, It include ethernet server in the Ethernet;The proxy server respectively with the proxy terminal and the Ethernet service Device communication connection;The described method includes:
The proxy terminal obtains the first request data package, and the first heading removed in first request data package obtains Second request data package, first request data package indicate that the application program obtains number of targets to the ethernet server According to;
The proxy terminal is inquired in preset mapping relations according to first heading and obtains the ethernet server Address information, second request data package and the address information are transmitted to the proxy server, agency's clothes Device of being engaged in is used to send second request data package according to the address information to the ethernet server, and receive it is described with Too the second response data packet for being returned according to second request data package of network server, second response data packet includes institute State target data;
The proxy terminal receives second response data packet from the proxy server, and is second response data packet It adds the second heading and obtains the first response data packet, the application program obtains institute for parsing first response data packet State target data.
2. data request method according to claim 1, which is characterized in that the source address of first heading is described The virtual address of application program, the destination address of first heading are the identification information of the ethernet server;
The proxy terminal is inquired in preset mapping relations according to first heading and obtains the ethernet server Address information the step of, comprising:
The proxy terminal is according to the identification information of the ethernet server between preset identification information and address information Mapping relations in inquiry obtain the address of the ethernet server corresponding with the identification information of the ethernet server Information.
3. data request method according to claim 1, which is characterized in that the proxy terminal further include Microsoft Loopback Adapter and Data conversion equipment;
The proxy terminal obtains the first request data package, and the first heading removed in first request data package obtains The step of second request data package, comprising:
The data conversion equipment receives first request data package from the application program using the Microsoft Loopback Adapter, And it removes first heading in first request data package and obtains second request data package.
4. data request method according to claim 3, which is characterized in that the proxy terminal further includes that data transmit-receive is set It is standby;
The proxy terminal is inquired in preset mapping relations according to first heading and obtains the ethernet server Address information, the step of second request data package and the address information are transmitted to the proxy server, comprising:
The data conversion equipment is inquired in the mapping relations according to first heading and obtains the Ethernet service The address information of device;
The data conversion equipment transmits second request data package and the address information to institute using the Microsoft Loopback Adapter Data transmitting/receiving equipment is stated, so that second request data package and the address information are sent to institute by the data transmitting/receiving equipment State proxy server.
5. data request method according to claim 4, which is characterized in that the source address of second heading is described The address information of ethernet server, the destination address of second heading are the virtual address of the application program;
The proxy terminal receives second response data packet from the proxy server, and is second response data packet Add the step of the second heading obtains the first response data packet, comprising:
The data conversion equipment receives second response data packet from the data transmitting/receiving equipment using the Microsoft Loopback Adapter, And second heading is added for second response data packet and obtains first response data packet;
The method also includes:
First response data packet is back to the application program using the Microsoft Loopback Adapter by the data conversion equipment.
6. a kind of request of data system, which is characterized in that the system is applied to view networking, the view networking and ethernet communication Connection, wherein include proxy terminal and proxy server in the view networking, is provided with application program on the proxy terminal, It include ethernet server in the Ethernet;The proxy server respectively with the proxy terminal and the Ethernet service Device communication connection;The proxy terminal, further includes:
Heading removes module, for obtaining the first request data package, and removes the first report in first request data package Literary head obtains the second request data package, and first request data package indicates that the application program is obtained to the ethernet server Take target data;
Address lookup module obtains the Ethernet clothes for inquiring in preset mapping relations according to first heading The address information of business device, is transmitted to the proxy server, the generation for second request data package and the address information It manages server to be used for according to address information transmission second request data package to the ethernet server, and receives institute State the second response data packet that ethernet server is returned according to second request data package, the second response data packet packet Include the target data;
Heading adding module for receiving second response data packet from the proxy server, and is second sound It answers data packet to add the second heading and obtains the first response data packet, the application program is for parsing first response data Packet obtains the target data.
7. request of data system according to claim 6, which is characterized in that the source address of first heading is described The virtual address of application program, the destination address of first heading are the identification information of the ethernet server;
The address lookup module, for the identification information according to the ethernet server in preset identification information and address Inquiry obtains the Ethernet service corresponding with the identification information of the ethernet server in mapping relations between information The address information of device.
8. request of data system according to claim 6, which is characterized in that the proxy terminal further includes Microsoft Loopback Adapter;
The heading removes module, for receiving first request from the application program using the Microsoft Loopback Adapter Data packet, and remove first heading in first request data package and obtain second request data package;It is described Proxy terminal further includes data transmitting/receiving equipment;
The address lookup module obtains the Ethernet for inquiring in the mapping relations according to first heading The address information of server, and second request data package and the address information are transmitted to described using the Microsoft Loopback Adapter Data transmitting/receiving equipment, so as to the data transmitting/receiving equipment second request data package and the address information be sent to it is described Proxy server;
The source address of second heading is the address information of the ethernet server, the destination of second heading Location is the virtual address of the application program;
The heading adding module, for receiving second response from the data transmitting/receiving equipment using the Microsoft Loopback Adapter Data packet adds second heading for second response data packet and obtains first response data packet, and utilizes institute It states Microsoft Loopback Adapter and first response data packet is back to the application program.
9. a kind of device characterized by comprising
One or more processors;With
One or more machine readable medias of instruction are stored thereon with, when being executed by one or more processors, are made Obtain data request method of the described device execution as described in any one of claims 1 to 5.
10. a kind of computer readable storage medium, which is characterized in that its computer program stored executes processor as weighed Benefit require any one of 1 to 5 described in data request method.
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