CN110012063B - Data packet processing method and system - Google Patents
Data packet processing method and system Download PDFInfo
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- CN110012063B CN110012063B CN201910134199.XA CN201910134199A CN110012063B CN 110012063 B CN110012063 B CN 110012063B CN 201910134199 A CN201910134199 A CN 201910134199A CN 110012063 B CN110012063 B CN 110012063B
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Abstract
The embodiment of the invention provides a method and a system for processing a data packet, wherein the method comprises the following steps: the data packet transfer terminal receives a data packet acquisition request from an application program, analyzes the data packet acquisition request to obtain terminal identification information of the mobile terminal and/or application identification information of the application program, acquires a data packet from a corresponding database according to the data packet acquisition request, stores the terminal identification information and/or the application identification information and the data packet in a local preset cache region in an associated manner, and the application program acquires the data packet from the cache region according to the terminal identification information and/or the application identification information and performs related processing on the acquired data packet. The data packet transfer terminal in the embodiment of the invention does not need to send the data packet acquired from the database to the application program and maintain the network connection with the video network between the application program and the database, thereby reducing the operating pressure of the data packet transfer terminal and avoiding the problem that the application program cannot acquire the data packet in time.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a data packet processing method and a data packet processing system.
Background
The video network is a special network for transmitting high-definition video and a special protocol at high speed based on Ethernet hardware, is a higher-level form of the Internet and is a real-time network.
When the application program in the mobile terminal needs to acquire the data packet stored in the database and perform relevant processing on the acquired data packet, the data packet transfer terminal maintains the video networking network connection with each application program, and meanwhile, the data packet transfer terminal also needs to maintain the video networking network connection with each database. Therefore, the packet forwarding terminal needs to maintain the network connection of the video network between the application terminal and the database terminal.
Moreover, the packet forwarding terminal needs to obtain the packet from the database and return the obtained packet to the corresponding application program. When the number of the video network connections maintained by the data packet forwarding terminal is large, or the requirement for acquiring the data packet by the application program is frequent, the operating pressure of the data packet forwarding terminal is high, and the problem that the application program cannot acquire the data packet timely is easily caused.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a packet processing method and a corresponding packet processing system 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 method for processing a data packet, where the method is applied to a video network, the video network includes a mobile terminal, a database and a data packet forwarding terminal, the data packet forwarding terminal communicates with the mobile terminal and the database, respectively, the data packet forwarding terminal includes a video network node server or a video network terminal, and the method includes: the data packet transfer terminal receives a data packet acquisition request from an application program arranged on the mobile terminal; the data packet transfer terminal analyzes the data packet acquisition request to obtain the terminal identification information of the mobile terminal and/or the application identification information of the application program; the data packet transfer terminal acquires a data packet from the corresponding database according to the data packet acquisition request; the data packet transfer terminal stores the terminal identification information and/or the application identification information and the data packet to a local preset cache region in an associated manner, and the application program is used for acquiring the data packet from the cache region according to the terminal identification information and/or the application identification information and performing related processing on the acquired data packet.
Optionally, the step of acquiring, by the packet forwarding terminal, the packet from the corresponding database according to the packet acquisition request includes: the data packet transfer terminal analyzes the data packet acquisition request to obtain request parameter information, wherein the request parameter information comprises data packet number information; and the data packet transfer terminal determines one or more data packet storage databases corresponding to the data packet number information in the request parameter information according to the corresponding relation between the preset data packet number information and the data packet storage databases, and acquires the data packet from the corresponding one or more data packet storage databases according to the data packet number information.
Optionally, before the step of acquiring, by the packet forwarding terminal, the packet from the corresponding database according to the packet acquisition request, the method further includes: the data packet transfer terminal analyzes the data packet acquisition request to obtain user identity information, wherein the user identity information comprises user name information and password information; the data packet transfer terminal acquires account information from a preset user storage database according to the user name information and carries out verification operation on the user name information and the password information according to the account information; and the data packet transfer terminal executes the step of acquiring the data packet from the corresponding database according to the data packet acquisition request under the condition that the user name information and the password information are verified to be passed.
Optionally, the step of the packet forwarding terminal storing the terminal identification information and/or the application identification information and the packet in a local preset cache region in an associated manner includes: when the packet forwarding terminal acquires a plurality of packets from the packet storage databases, the packet forwarding terminal stores the terminal identification information and/or the application identification information and the plurality of packets in the cache area in association with each other according to an acquisition order of the plurality of packets.
Optionally, the step of the packet forwarding terminal storing the application terminal identification information and/or the application identification information and the packet in a local preset cache region in an associated manner includes: when the packet forwarding terminal receives a plurality of packet acquisition requests from a plurality of application programs set on a plurality of mobile terminals, if the same request parameter information is obtained by analyzing from the plurality of packet acquisition requests, the packet forwarding terminal stores a plurality of terminal identification information and/or application identification information and the packet in the cache area in an associated manner.
The embodiment of the invention also discloses a system for processing the data packet, which is applied to the video network, wherein the video network comprises a mobile terminal, a database and a data packet transfer terminal, the data packet transfer terminal is respectively communicated with the mobile terminal and the database, the data packet transfer terminal comprises a video network node server or a video network terminal, and the data packet transfer terminal comprises: the receiving module is used for receiving a data packet acquisition request from an application program arranged on the mobile terminal; the analysis module is used for analyzing the data packet acquisition request to obtain the terminal identification information of the mobile terminal and/or the application identification information of the application program; the acquisition module is used for acquiring the data packet from the corresponding database according to the data packet acquisition request; the storage module is used for storing the terminal identification information and/or the application identification information and the data packet to a locally preset cache region in a correlation manner, and the application program is used for acquiring the data packet from the cache region according to the terminal identification information and/or the application identification information and performing related processing on the acquired data packet.
Optionally, the parsing module is further configured to parse the data packet acquisition request to obtain request parameter information, where the request parameter information includes data packet number information; the acquiring module is configured to determine one or more data packet storage databases corresponding to data packet number information in the request parameter information according to a correspondence between preset data packet number information and data packet storage databases, and acquire the data packet from the corresponding one or more data packet storage databases according to the data packet number information.
Optionally, the parsing module is further configured to, before the obtaining module obtains a data packet from the corresponding database according to the data packet obtaining request, parse the data packet obtaining request to obtain user identity information, where the user identity information includes user name information and password information; the packet forwarding terminal further includes: the verification module is used for acquiring account information from a preset user storage database according to the user name information and performing verification operation on the user name information and the password information according to the account information; and the acquisition module is used for acquiring a data packet from the corresponding database according to the data packet acquisition request under the condition that the user name information and the password information are verified to be passed.
Optionally, the storage module is configured to, when a plurality of data packets are acquired from a plurality of data packet storage databases, store the terminal identification information and/or the application identification information and the plurality of data packets in the cache area in an associated manner according to an acquisition order of the plurality of data packets.
Optionally, the storage module is configured to, when receiving multiple data packet acquisition requests from multiple application programs set on multiple mobile terminals, if the same request parameter information is obtained through parsing from the multiple data packet acquisition requests, store the multiple terminal identification information and/or the multiple application identification information and the multiple data packets in the cache area in an associated manner.
The embodiment of the invention has the following advantages:
the embodiment of the invention is applied to the video network, the video network can comprise a mobile terminal, a database and a data packet transfer terminal, wherein the data packet transfer terminal can be respectively communicated with the mobile terminal and the database, and the data packet transfer terminal can comprise a video network node server or a video network terminal.
And the application program arranged on the mobile terminal sends a data packet acquisition request to the data packet transfer terminal, wherein the data packet acquisition request is used for acquiring the data packet from the database. The data packet transfer terminal analyzes the data packet acquisition request to obtain the terminal identification information of the mobile terminal and/or the application identification information of the application program, the terminal identification information of each mobile terminal has uniqueness, and the application identification information of each application program has uniqueness. And the data packet transfer terminal acquires the data packet from the corresponding database according to the data packet acquisition request, and stores the terminal identification information and/or the application identification information and the data packet to a local preset cache region in an associated manner. The application program may obtain the data packet from the cache region according to the terminal identification information and/or the application identification information, and perform related processing on the obtained data packet.
The embodiment of the invention applies the characteristics of the video network, the data packet transfer terminal receives the data packet acquisition request of the application program, analyzes the data packet acquisition request to obtain the terminal identification information and/or the application identification information, and stores the terminal identification information and/or the application identification information and the data packet acquired from the database to a local cache region in a correlation manner. The application program can actively acquire the corresponding data packet from the cache region according to the respective application identification information and/or the respective terminal identification information of the mobile terminal, and further execute the relevant processing. In the embodiment of the invention, the data packet transfer terminal does not need to send the data packet acquired from the database to the application program, and the data packet transfer terminal does not need to maintain the video networking network connection between the application program and the database, so that the operation pressure of the data packet transfer terminal is reduced, and the problem that the application program cannot acquire the data packet in time is avoided.
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 steps in a method of processing a data packet according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the design of a packet obtaining method based on the video network according to the present invention;
fig. 7 is a block diagram of a packet forwarding terminal in an embodiment of a packet processing system according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network Circuit Switching (Circuit Switching), the internet of vision technology employs network Packet Switching to satisfy the demand of Streaming (translated into Streaming, and continuous broadcasting, which is a data transmission technology, converting received data into a stable and continuous stream, and continuously transmitting the stream, so that the sound heard by the user or the image seen by the user is very smooth, and the user can start browsing on the screen before the whole data is transmitted). 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 (circled part), 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 (downstream network interface module 301, upstream network interface module 302), the switching engine module 303, and the CPU module 304 are mainly included.
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, 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) and obtaining the token generated by the code rate control module.
If the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol conversion gateway：
As shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the video networking destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet coordination gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 3 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 |
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (e.g. various protocol packets, multicast data packets, unicast data packets, etc.), there are at most 256 possibilities, 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 types of different datagrams, and is 64 bytes if the type of the datagram is a variety of protocol packets, or is 1056 bytes if the type of the datagram is a unicast packet, but 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 a Label of Multi-Protocol Label switching (MPLS), and assuming that there are two connections between a device a and a device B, there are 2 labels for a packet from the device a to the device B, and 2 labels for a 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 provided, where a packet forwarding terminal receives a packet acquisition request of an application program, obtains terminal identification information and/or application identification information by parsing the packet acquisition request, obtains a packet from a corresponding database according to the packet acquisition request, and stores the terminal identification information and/or application identification information and the packet in a locally preset cache region in an associated manner, in accordance with a protocol of the video network. The application program can actively acquire the corresponding data packet from the cache region according to the terminal identification information and/or the application identification information, and then execute the related processing.
Referring to fig. 5, a flowchart illustrating steps of an embodiment of a packet processing method according to the present invention is shown, where the method may be applied to a video network, where the video network includes a mobile terminal, a database and a packet transit terminal. The data packet transfer terminal may communicate with the mobile terminal and the database, respectively, and the data packet transfer terminal may include a node server of an internet of view or a terminal of an internet of view. The method specifically comprises the following steps:
In the embodiment of the invention, the data packet transfer terminal can receive the data packet acquisition request from the application program arranged on the mobile terminal through the built-in client. In practical application, the packet forwarding terminal may receive a plurality of packet obtaining requests of a plurality of application programs set on a plurality of mobile terminals. One mobile terminal can be provided with an application program, one application program can send a data packet acquisition request at the same time, and one data packet acquisition request can acquire one data packet or a plurality of data packets.
The application program in the embodiment of the present invention may be any software having a function of accessing a database, and the name, version, architecture, and the like of the application program are not particularly limited in the embodiment of the present invention.
After receiving the packet acquisition request, the packet forwarding terminal needs to determine from which mobile terminal the received packet acquisition request originates, or determine from which application program the received packet acquisition request originates. Therefore, the packet forwarding terminal may parse the packet acquisition request to obtain the terminal identification information of the mobile terminal and/or the application identification information of the application program. The terminal identification information may determine only one mobile terminal, and the application identification information may determine only one application installed on only one mobile terminal.
In the embodiment of the present invention, the data packet obtaining request may be an encrypted character string, and after receiving the data packet obtaining request, the data packet forwarding terminal may first perform a decryption operation on the data packet obtaining request, and then analyze the decrypted character string according to a preset analysis rule to obtain the terminal identification information and/or the application identification information. For example, the packet forwarding terminal may extract the terminal identification information and/or the application identification information from the 3 rd bit to the 10 th bit of the decrypted character string. The technical means adopted by the embodiment of the invention for decrypting and analyzing the data packet transfer terminal is not particularly limited.
In this embodiment of the present invention, the data packet obtaining request may indicate a location where a data packet to be obtained by an application program is located, where the location may include a specific database, a specific data table in the specific database, and the like. Therefore, the packet forwarding terminal needs to analyze the packet acquisition request to obtain the request parameter information. The request parameter information may include packet number information. Each data packet stored in the database has a unique number, i.e., packet number information. The process of analyzing the data packet acquisition request by the data packet transit terminal may refer to the above-mentioned related introduction of analyzing the data packet acquisition request by the data packet transit terminal to obtain the terminal identification information and/or the application identification information, and is not described herein again.
In a preferred embodiment of the present invention, the packet number information may include a first part and a second part, wherein the first part is used for determining the packet storage database, and the second part is used for determining the data table in the packet storage database. The data packet transfer terminal can firstly determine a data packet storage database corresponding to the first part of the data packet number information according to the preset corresponding relation, and then look up a data table by using the second part of the data packet number information in the determined data packet storage database to obtain the data packet. The preset corresponding relationship may be a corresponding relationship between the first part of the data packet number information and the data packet storage database. In practical applications, the first part of the packet number information may be a unique identifier of the packet storage database, such as a number of the packet storage server.
When the packet forwarding terminal obtains a plurality of request parameter information by parsing from the packet obtaining request, or the request parameter information includes a plurality of packet number information, or the first part of the packet number information is a number of a plurality of packet storage servers, the packet forwarding terminal may determine a plurality of packet storage databases corresponding to the request parameter information, and obtain a plurality of sub-packets from the plurality of packet storage databases, respectively, and integrate the plurality of sub-packets into one packet.
In the embodiment of the present invention, the data packet may be any data, such as numbers, letters, symbols, pictures, audios, videos, character strings, and the like.
In a preferred embodiment of the present invention, before the data packet transit terminal acquires the data packet, the user identity information of the application program may be obtained by parsing from the data packet acquisition request, and then the user identity information is verified, and the data packet is acquired when the user identity information passes the verification. The user identity information may include user name information and password information. When the data packet transfer terminal verifies the user identity information, account information can be acquired from a user storage database according to the user name information, and the account information stored in the user storage database can include user name information of a plurality of users and corresponding password information. For example, searching whether account information containing the user name information exists in a user storage database by using the user name information, if so, verifying the user name information and the password information according to the account information, specifically, comparing the password information in the account information with the password information in the user identity information, and if so, determining that the verification is passed; and if the comparison is inconsistent or the account information cannot exist, determining that the verification is not passed.
It should be noted that, the step 503 may be executed after the step 502 or after the step 501, and the execution timing of the step 503 is not particularly limited in the embodiment of the present invention.
In the embodiment of the present invention, the packet forwarding terminal may associate the terminal identifier information and/or the application identifier information with the packet, and store the associated packet in a local cache area of the packet forwarding terminal. The purpose of associating the terminal identification information and/or the application identification information with the data packet is that when the application program acquires the data packet from the cache region, the application program can acquire a required data packet according to the terminal identification information and/or the application identification information. When the application program acquires the data packet from the buffer area, the data packet can be actively acquired according to a preset time interval, and the data packet can also be actively acquired after a notification message that the data packet transmitted by the data packet transfer terminal is stored is received. The embodiment of the present invention does not specifically limit the technical means for the application to obtain the data packet from the cache region.
In a preferred embodiment of the present invention, if the packet forwarding terminal acquires a plurality of packets from a plurality of packet storage databases, the packet forwarding terminal may sequentially store the plurality of packets in the cache area according to a time sequence of acquiring the packets. It should be noted that the storage order of the data packets may be regarded as the order in which the application program obtains the data packets from the cache area.
In a preferred embodiment of the present invention, if the packet forwarding terminal receives multiple packet acquisition requests of multiple application programs, and analyzes the multiple packet acquisition requests to obtain the same request parameter information, that is, the multiple packet acquisition requests are used for acquiring the same packet, the packet forwarding terminal may associate multiple terminal identification information and/or application identification information in the multiple packet acquisition requests with the packet after acquiring the packet, and then store the packet in the cache area. Multiple applications may each retrieve the data packet from the cache area. The storage of a plurality of repeated data packets in the cache region is avoided, and the space of the cache region is saved.
Based on the above-mentioned description about the packet processing method, a packet obtaining method based on the internet of view is introduced below, as shown in fig. 6, the client receives packet obtaining requests q1, q2 and q3 from the applications A, B and C, respectively, and the client obtains packets from the databases DB1, DB2 and DB3 according to the packet obtaining requests q1, q2 and q 3. Specifically, the client acquires the DATA packet DATA1 from the database DB1, where the DATA packet DATA1 is a DATA packet corresponding to the DATA packet acquisition request q 1. The client side obtains DATA packets DATA2 and DATA3 from the database DB2, where the DATA packet DATA2 is a DATA packet corresponding to the DATA packet obtaining request q2, and the DATA packet DATA3 is a DATA packet corresponding to the DATA packet obtaining request q 3. The client side obtains the DATA packet DATA4 from the database DB3, and the DATA packet DATA4 is a DATA packet corresponding to the DATA packet obtaining request q 3. The client may associate the DATA packet DATA1 with the application identification information of application a, associate the DATA packet DATA2 with the application identification information of application B, associate the DATA packets DATA3, DATA4 with the identification information of application C, and store the associated DATA packets DATA1, DATA2, DATA3, and DATA4 in the buffer area. The applications A, B and C may actively obtain corresponding DATA packets from the cache area according to the respective application identification information, that is, the application a obtains the DATA packet DATA1, the application B obtains the DATA packet DATA2, and the application C obtains the DATA packets DATA3 and DATA 4.
It should be noted that the databases (including the packet storage database and the user storage database) in the embodiment of the present invention may be distributed databases, and the embodiment of the present invention does not specifically limit the type, capacity, and the like of the databases.
The embodiment of the invention is applied to the video network, the video network can comprise a mobile terminal, a database and a data packet transfer terminal, wherein the data packet transfer terminal can be respectively communicated with the mobile terminal and the database, and the data packet transfer terminal can comprise a video network node server or a video network terminal.
And the application program arranged on the mobile terminal sends a data packet acquisition request to the data packet transfer terminal, wherein the data packet acquisition request is used for acquiring the data packet from the database. The data packet transfer terminal analyzes the data packet acquisition request to obtain the terminal identification information of the mobile terminal and/or the application identification information of the application program, the terminal identification information of each mobile terminal has uniqueness, and the application identification information of each application program has uniqueness. And the data packet transfer terminal acquires the data packet from the corresponding database according to the data packet acquisition request, and stores the terminal identification information and/or the application identification information and the data packet to a local preset cache region in an associated manner. The application program may obtain the data packet from the cache region according to the terminal identification information and/or the application identification information, and perform related processing on the obtained data packet.
The embodiment of the invention applies the characteristics of the video network, the data packet transfer terminal receives the data packet acquisition request of the application program, analyzes the data packet acquisition request to obtain the terminal identification information and/or the application identification information, and stores the terminal identification information and/or the application identification information and the data packet acquired from the database to a local cache region in a correlation manner. The application program can actively acquire the corresponding data packet from the cache region according to the respective application identification information and/or the respective terminal identification information of the mobile terminal, and further execute the relevant processing. In the embodiment of the invention, the data packet transfer terminal does not need to send the data packet acquired from the database to the application program, and the data packet transfer terminal does not need to maintain the video networking network connection between the application program and the database, so that the operation pressure of the data packet transfer terminal is reduced, and the problem that the application program cannot acquire the data packet in time is avoided.
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. 7, a block diagram of a packet forwarding terminal in an embodiment of a packet processing system according to the present invention is shown, where the system may be applied to a video network, where the video network includes a mobile terminal, a database, and a packet forwarding terminal, the packet forwarding terminal communicates with the mobile terminal and the database, respectively, the packet forwarding terminal includes a video network node server or a video network terminal, and the packet forwarding terminal may specifically include the following modules:
a receiving module 701, configured to receive a data packet acquisition request from an application program set on the mobile terminal; an analyzing module 702, configured to analyze the data packet obtaining request to obtain terminal identification information of the mobile terminal and/or application identification information of the application program; an obtaining module 703, configured to obtain a data packet from the corresponding database according to the data packet obtaining request; a storage module 704, configured to store the terminal identifier information and/or the application identifier information and the data packet in a locally preset cache region in an associated manner, where the application program is configured to obtain the data packet from the cache region according to the terminal identifier information and/or the application identifier information, and perform related processing on the obtained data packet.
In a preferred embodiment of the present invention, the parsing module 702 is further configured to parse the data packet obtaining request to obtain request parameter information, where the request parameter information includes data packet number information; the obtaining module 703 is configured to determine one or more data packet storage databases corresponding to the data packet number information in the request parameter information according to a correspondence between preset data packet number information and data packet storage databases, and obtain the data packet from the corresponding one or more data packet storage databases according to the data packet number information.
In a preferred embodiment of the present invention, the parsing module 702 is further configured to parse the data packet obtaining request to obtain user identity information before the obtaining module 703 obtains the data packet from the corresponding database according to the data packet obtaining request, where the user identity information includes user name information and password information; the packet forwarding terminal further includes: the verification module 705 is configured to obtain account information from a preset user storage database according to the user name information, and perform a verification operation on the user name information and the password information according to the account information; the obtaining module 703 is configured to obtain a data packet from the corresponding database according to the data packet obtaining request under the condition that both the user name information and the password information are verified.
In a preferred embodiment of the present invention, the storing module 704 is configured to, when a plurality of data packets are obtained from a plurality of data packet storage databases, store the terminal identification information and/or the application identification information, and the plurality of data packets in the cache area in an associated manner according to an obtaining order of the plurality of data packets.
In a preferred embodiment of the present invention, the storage module 704 is configured to, when receiving a plurality of data packet acquisition requests from a plurality of application programs installed on a plurality of mobile terminals, if the same request parameter information is obtained by parsing from the plurality of data packet acquisition requests, store a plurality of pieces of terminal identification information and/or the application identification information and the data packet in the cache area in an associated manner.
For the system 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 foregoing describes in detail a packet processing method and a packet processing system provided by the present invention, and specific examples are applied herein to illustrate the principles and implementations of the present invention, and the descriptions of the foregoing examples are only used to help understand the method and the core ideas 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 (6)
1. A method for processing a data packet is applied to a video network, the video network comprises a mobile terminal, a database and a data packet transfer terminal, the data packet transfer terminal is respectively communicated with the mobile terminal and the database, the data packet transfer terminal comprises a video network node server or a video network terminal, and the method comprises the following steps:
the data packet transfer terminal receives a data packet acquisition request from an application program arranged on the mobile terminal;
the data packet transfer terminal analyzes the data packet acquisition request to obtain the terminal identification information of the mobile terminal and/or the application identification information of the application program;
the data packet transfer terminal acquires a data packet from the corresponding database according to the data packet acquisition request;
the data packet transfer terminal stores the terminal identification information and/or the application identification information and the data packet to a local preset cache region in an associated manner, and the application program is used for acquiring the data packet from the cache region according to the terminal identification information and/or the application identification information and performing related processing on the acquired data packet;
the step of acquiring the data packet from the corresponding database by the data packet transfer terminal according to the data packet acquisition request includes:
the data packet transfer terminal analyzes the data packet acquisition request to obtain request parameter information, wherein the request parameter information comprises data packet number information, the data packet number information comprises a first part and a second part, the first part is used for determining a data packet storage database, and the second part is used for determining a data table in the data packet storage database;
the data packet transfer terminal determines one or more data packet storage databases corresponding to the data packet number information in the request parameter information according to the corresponding relation between preset data packet number information and data packet storage databases, and acquires the data packet from the corresponding one or more data packet storage databases according to the data packet number information; the data packet transfer terminal determines a data packet storage database corresponding to a first part of the data packet number information according to a preset corresponding relation, searches a data table by using a second part of the data packet number information in the determined data packet storage database to obtain a data packet, and the preset corresponding relation can be the corresponding relation between the first part of the data packet number information and the data packet storage database;
before the step of acquiring, by the packet forwarding terminal, the packet from the corresponding database according to the packet acquisition request, the method further includes:
the data packet transfer terminal analyzes the data packet acquisition request to obtain user identity information, wherein the user identity information comprises user name information and password information;
the data packet transfer terminal acquires account information from a preset user storage database according to the user name information and carries out verification operation on the user name information and the password information according to the account information;
and the data packet transfer terminal executes the step of acquiring the data packet from the corresponding database according to the data packet acquisition request under the condition that the user name information and the password information are verified to be passed.
2. The method for processing the data packet according to claim 1, wherein the step of the data packet forwarding terminal storing the terminal identification information and/or the application identification information and the data packet in a locally preset cache region in an associated manner includes:
when the packet forwarding terminal acquires a plurality of packets from the packet storage databases, the packet forwarding terminal stores the terminal identification information and/or the application identification information and the plurality of packets in the cache area in association with each other according to an acquisition order of the plurality of packets.
3. The method for processing the data packet according to claim 1, wherein the step of the data packet forwarding terminal storing the terminal identification information and/or the application identification information and the data packet in a locally preset cache region in an associated manner includes:
when the packet forwarding terminal receives a plurality of packet acquisition requests from a plurality of application programs set on a plurality of mobile terminals, if the same request parameter information is obtained by analyzing from the plurality of packet acquisition requests, the packet forwarding terminal stores a plurality of terminal identification information and/or application identification information and the packet in the cache area in an associated manner.
4. The utility model provides a processing system of data package, its characterized in that, the system is applied to in the video networking, the video networking includes mobile terminal, database and data package transfer terminal, data package transfer terminal respectively with mobile terminal with the database communication, data package transfer terminal includes video networking node server or video networking terminal, data package transfer terminal includes:
the receiving module is used for receiving a data packet acquisition request from an application program arranged on the mobile terminal;
the analysis module is used for analyzing the data packet acquisition request to obtain the terminal identification information of the mobile terminal and/or the application identification information of the application program;
the acquisition module is used for acquiring the data packet from the corresponding database according to the data packet acquisition request;
the storage module is used for storing the terminal identification information and/or the application identification information and the data packet to a locally preset cache region in a correlation manner, and the application program is used for acquiring the data packet from the cache region according to the terminal identification information and/or the application identification information and performing related processing on the acquired data packet;
the analysis module is further configured to analyze the data packet acquisition request to obtain request parameter information, where the request parameter information includes data packet number information, where the data packet number information includes a first part and a second part, the first part is used to determine a data packet storage database, and the second part is used to determine a data table in the data packet storage database;
the acquiring module is used for determining one or more data packet storage databases corresponding to the data packet number information in the request parameter information according to the corresponding relation between the preset data packet number information and the data packet storage databases, and acquiring the data packets from the corresponding one or more data packet storage databases according to the data packet number information; determining a data packet storage database corresponding to the first part of the data packet number information according to a preset corresponding relation, searching a data table by using the second part of the data packet number information in the determined data packet storage database to obtain a data packet, wherein the preset corresponding relation can be the corresponding relation between the first part of the data packet number information and the data packet storage database;
the analysis module is further configured to analyze the data packet acquisition request to obtain user identity information before the acquisition module acquires the data packet from the corresponding database according to the data packet acquisition request, where the user identity information includes user name information and password information;
the packet forwarding terminal further includes: the verification module is used for acquiring account information from a preset user storage database according to the user name information and performing verification operation on the user name information and the password information according to the account information;
and the acquisition module is used for acquiring a data packet from the corresponding database according to the data packet acquisition request under the condition that the user name information and the password information are verified to be passed.
5. The system according to claim 4, wherein the storage module is configured to, when a plurality of the data packets are acquired from a plurality of the data packet storage databases, store the terminal identification information and/or the application identification information, and the plurality of the data packets in the cache area in association with each other in an acquisition order of the plurality of the data packets.
6. The system according to claim 4, wherein the storage module is configured to, when receiving a plurality of packet acquisition requests from a plurality of applications installed on a plurality of mobile terminals, if the same request parameter information is obtained by parsing from the plurality of packet acquisition requests, store a plurality of pieces of the terminal identification information and/or the application identification information and the packet in the cache area in an associated manner.
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| CN106155925A (en) * | 2015-04-09 | 2016-11-23 | 阿里巴巴集团控股有限公司 | A kind of method and device obtaining data |
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