CN111711788A - Code distribution method and device - Google Patents

Code distribution method and device Download PDF

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Publication number
CN111711788A
CN111711788A CN202010457970.XA CN202010457970A CN111711788A CN 111711788 A CN111711788 A CN 111711788A CN 202010457970 A CN202010457970 A CN 202010457970A CN 111711788 A CN111711788 A CN 111711788A
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China
Prior art keywords
directory
newly added
mapping code
directory data
data
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CN202010457970.XA
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CN111711788B (en
Inventor
吴魁
岳晓峰
沈军
王艳辉
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Visionvera Information Technology Co Ltd
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Visionvera Information Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The embodiment of the invention provides a code distribution method and a device, which are applied to an information management platform, wherein the method comprises the following steps: under the condition that newly added directory data are received and mapping codes corresponding to the newly added directory data do not exist in a temporary code table, acquiring mapping codes corresponding to a parent directory and the number of child directories which are identical to the newly added directory data and are in the same child level under the parent directory; based on the number of the sublevel directories, acquiring mapping codes of the newly added directory data under the sublevel directories; and setting the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the newly added directory data, so that the directory can be recoded, the bit number and the range of the codes can be randomly expanded, and the situation that the directory is disordered due to random coding when the newly added directory data occurs is avoided.

Description

Code distribution method and device
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a method and an apparatus for code allocation.
Background
With the development of the video network, a one-machine one-file information management platform has been generally applied.
At present, in the directory processing, the first two represent provinces, the third four represent cities and the fifth six represent counties by a one-machine one-file information management platform according to the national standard mode.
However, when a user adds a new directory in actual use, the new directory is not necessarily coded according to national standards, and when the directory needs to be expanded from a third-level directory to a fifth-level directory, the problem can cause a directory display hierarchy to be wrong, so that the directory is disordered.
Disclosure of Invention
In view of the above, embodiments of the present invention are proposed to provide a code allocation method and apparatus that overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention provides a code allocation method, which is applied to an information management platform, and the method includes:
under the condition that newly added directory data are received and mapping codes corresponding to the newly added directory data do not exist in a temporary code table, acquiring mapping codes corresponding to a parent directory and the number of child directories which are identical to the newly added directory data and are in the same child level under the parent directory;
based on the number of the sublevel directories, acquiring mapping codes of the newly added directory data under the sublevel directories;
and setting the mapping code corresponding to the parent-level directory and the mapping code corresponding to the child level as the target mapping code corresponding to the newly added directory data.
Optionally, after the setting the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the newly added directory data, the method further includes:
and storing the target mapping code into a mapping code table corresponding to the newly added directory data.
Optionally, before the obtaining of the mapping code corresponding to the parent directory and the number of child directories in the same child level as the newly added directory data under the parent directory, the method further includes:
receiving newly added directory data and a temporary coding table;
and traversing the newly added directory data.
Optionally, after the setting the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the newly added directory data, the method further includes:
and under the condition that the mapping code corresponding to the newly added directory data exists in the temporary code table, setting the mapping code as a target mapping code and storing the target mapping code in the directory table corresponding to the newly added directory data.
Optionally, after obtaining the mapping code corresponding to the parent directory and the number of child directories in the same child level as the newly added directory data under the parent directory, the method further includes:
and under the condition that the parent-level directory does not exist, setting the code corresponding to the newly added directory data as a target mapping code and storing the target mapping code into the directory table corresponding to the newly added directory data.
In order to solve the above problem, an embodiment of the present invention provides a code distribution apparatus, applied to an information management platform, where the apparatus includes:
the first obtaining module is used for obtaining the mapping code corresponding to the parent directory and the number of the child directories of the same child level as the newly added directory data under the parent directory under the condition that the newly added directory data are received and the mapping code corresponding to the newly added directory data does not exist in a temporary code table;
the second obtaining module is used for obtaining the mapping codes of the newly added catalog data under the sublevel catalog based on the number of the sublevel catalogues;
and the first setting module is used for setting the mapping code corresponding to the parent-level directory and the mapping code corresponding to the child-level directory as the target mapping code corresponding to the newly added directory data.
Optionally, the apparatus further comprises:
and the storage module is used for storing the target mapping code into a mapping code table corresponding to the newly added directory data.
Optionally, the apparatus further comprises:
the receiving module is used for receiving the newly added catalogue data and the temporary coding table;
and the traversing module is used for traversing the newly added directory data.
Optionally, the apparatus further comprises:
and the storage module is used for setting the mapping codes as target mapping codes and storing the target mapping codes into the directory table corresponding to the newly added directory data under the condition that the mapping codes corresponding to the newly added directory data exist in the temporary code table.
Optionally, the apparatus further comprises:
and the second setting module is used for setting the code corresponding to the newly added directory data as a target mapping code and storing the target mapping code in the directory table corresponding to the newly added directory data under the condition that the parent directory does not exist.
In order to solve the above problem, an embodiment of the present invention provides an electronic device, including:
one or more processors; and
one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to perform the code distribution method described above.
In order to solve the above problem, an embodiment of the present invention provides a computer-readable storage medium storing a computer program that causes a processor to execute the code allocation method described above.
The embodiment of the invention has the following advantages:
in the embodiment of the present invention, the information management platform may obtain, when receiving the new directory data and the mapping code corresponding to the new directory data does not exist in the temporary code table, the mapping code corresponding to the parent directory and the number of child directories in the parent directory and in the same child level as the new directory data, obtain, based on the number of child directories, the mapping code of the new directory data in the child directory, and set the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the new directory data, so that recoding of the directory can be implemented, the bit number and the range of the codes can be expanded at will, and a situation that the directory is disordered due to the random codes when the new directory data occurs is avoided.
Drawings
Fig. 1 is a flowchart illustrating a code allocation method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a code allocation method according to a second embodiment of the present invention;
FIG. 3 is a diagram illustrating an encoding table provided by an embodiment of the present invention;
FIG. 4 is a diagram illustrating a directory data transmission according to an embodiment of the present invention;
fig. 5 is a block diagram illustrating a structure of a code distribution apparatus according to a third embodiment of the present invention;
FIG. 6 illustrates a networking diagram of a video network of the present invention;
FIG. 7 is a diagram illustrating a hardware architecture of a node server according to the present invention;
fig. 8 shows a hardware architecture diagram of an access switch of the present invention;
fig. 9 is a schematic diagram illustrating a hardware structure of an ethernet protocol conversion gateway 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.
Referring to fig. 1, a flowchart illustrating steps of a code allocation method according to an embodiment of the present invention is shown, where the method may be applied to an information management platform, and specifically may include the following steps:
step 501, when the newly added directory data is received and the mapping code corresponding to the newly added directory data does not exist in the temporary code table, obtaining the mapping code corresponding to the parent directory and the number of child directories in the parent directory, which are identical to the child directories in the newly added directory data.
In the embodiment of the present invention, when the mapping code corresponding to the newly added directory data does not exist in the temporary code table, the information management platform may further determine whether the newly added directory data has a parent directory, and when the newly added directory data has a parent directory, obtain the mapping code corresponding to the parent directory, recursively return the corresponding mapping code, and obtain the number of child directories in the parent directory that are identical to the child directories of the newly added directory data.
After the new directory data is received and the mapping code corresponding to the new directory data does not exist in the temporary code table, the mapping code corresponding to the parent directory and the number of child directories under the parent directory and of child directories under the new directory data are obtained, step 502 is executed.
Step 502, based on the number of the sub-level directories, obtaining the mapping codes of the newly added directory data under the sub-level directories.
And the information management platform inquires from the temporary coding table, finds out the corresponding two-bit code in the m-area-codetable as the mapping code of the corresponding sub-level of the newly added directory data according to the number of the sub-level directories of the same sub-level with the newly added directory data under the parent directory.
After acquiring the mapping code of the newly added directory data under the sub-level directory based on the number of the sub-level directories, step 503 is executed.
Step 503, setting the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the newly added directory data.
In the embodiment of the invention, the information management platform takes the mapping code corresponding to the parent directory and the mapping code under the child directory returned by recursion as the target mapping code corresponding to the newly added directory data.
In the embodiment of the invention, the information management platform can obtain the mapping code corresponding to the parent directory and the number of the child directories of the parent directory and the same child directory of the newly added directory data under the condition that the newly added directory data are received and the mapping code corresponding to the newly added directory data does not exist in the temporary code table, obtain the mapping code of the newly added directory data under the child directory based on the number of the child directories, and set the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the newly added directory data, so that the directory can be recoded, the bit number and the range of the codes can be randomly expanded, and the condition that the directory is disordered due to random coding when the newly added directory data appear is avoided.
Referring to fig. 2, a flowchart illustrating steps of a code allocation method according to a second embodiment of the present invention is shown, where the method may be applied to an information management platform, and specifically may include the following steps:
step 601, receiving the new directory data and the temporary code table.
In the invention, the newly added directory data can be the directory data synchronized by a one-machine one-file information management platform (information management platform) from a video network monitoring and networking management scheduling system, and the temporary code table can be the code table synchronously acquired by the one-machine one-file information management platform from a one-machine one-file management platform database.
Referring to fig. 3, a dictionary table (m-area-codetable) may be newly created in a database of a file-by-file management platform, where the dictionary table is the temporary encoding table in the embodiment of the present invention, and the dictionary table is used to store the encoding range and the corresponding relationship between the number of sub-levels and the encoding.
After receiving the new directory data and the temporary code table, step 602 is performed.
Step 602, traverse the newly added directory data.
In the embodiment of the invention, after the information management platform synchronizes the newly added directory data from the video networking monitoring and networking management scheduling system, the information management platform can sort the newly added directory data according to the length, traverse each directory, and judge whether the corresponding mapping code of the area corresponding to the newly added directory data exists in the current temporary code table.
After traversing the new directory data, step 603 is performed.
Step 603, when the newly added directory data is received and the mapping code corresponding to the newly added directory data does not exist in the temporary code table, obtaining the mapping code corresponding to the parent directory and the number of child directories in the parent directory, which are identical to the child directories in the newly added directory data.
In the embodiment of the present invention, when the mapping code corresponding to the newly added directory data does not exist in the temporary code table, the information management platform may further determine whether the newly added directory data has a parent directory, and when the newly added directory data has a parent directory, obtain the mapping code corresponding to the parent directory, recursively return the corresponding mapping code, and obtain the number of child directories in the parent directory that are identical to the child directories of the newly added directory data.
After the new directory data is received and the mapping code corresponding to the new directory data does not exist in the temporary code table, the mapping code corresponding to the parent directory and the number of child directories under the parent directory and of child directories under the new directory data are obtained, step 604 is executed.
And step 604, acquiring the mapping codes of the newly added directory data under the sub-level directories based on the number of the sub-level directories.
Referring to fig. 3, the information management platform queries from the temporary code table, finds the corresponding two-bit code in the m-area-codeable table as the mapping code of the corresponding sub-level of the newly added directory data according to the number of sub-level directories of the same sub-level as the newly added directory data in the parent directory.
After acquiring the mapping code of the newly added directory data under the sub-level directory based on the number of the sub-level directories, step 605 is executed.
Step 605, setting the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the newly added directory data.
In the embodiment of the invention, the information management platform takes the mapping code corresponding to the parent directory and the mapping code under the child directory returned by recursion as the target mapping code corresponding to the newly added directory data.
After the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory are set as the target mapping codes corresponding to the new directory data, step 605 is executed.
Step 606, storing the target mapping code into the mapping code table corresponding to the newly added directory data.
After the mapping code corresponding to the parent-level directory and the mapping code corresponding to the child-level directory are set as the target mapping code corresponding to the newly added directory data, the information management platform stores the target mapping code into the mapping code table corresponding to the newly added directory data.
Illustratively, the provincial Xinjiang region code is 65, the city Wuli Qin region code is 6501, the county level: the Tianshan region is coded as 650101 and the headn river region is coded as 650102. If the mapping coding of the Tianshan area is required, finding the father-level Wuluqiqi of the Tianshan area, finding that the Wuluqiqi still has the superior level, continuing to find Xinjiang, finding that Xinjiang does not have the father level, finding the mapping coding of Xinjiang as 65, storing (65, null, 65) in a temporary mapping table, and then solving the mapping coding of the Wuluqiqi as follows: the number of the sub-directories of the 65-bit parent directory in the temporary mapping table is firstly searched, then the corresponding code is searched in the temporary coding table, if the code is AA, the Xinjiang code 65 is used for connecting the AA, and the Wuluqiqi code is 65 AA.
Step 607, if the mapping code corresponding to the newly added directory data exists in the temporary code table, setting the mapping code as the target mapping code and storing the target mapping code in the directory table corresponding to the newly added directory data.
In the present invention, referring to fig. 3, when the temporary code table has a mapping code corresponding to the newly added directory data, the information management platform may return the mapping code and update the mapping code to the directory table (m-org).
Step 608, in case that the parent directory does not exist, setting the code corresponding to the newly added directory data as the target mapping code and storing the target mapping code in the directory table corresponding to the newly added directory data.
In the invention, when the parent directory does not exist, the code corresponding to the newly added directory data can be set as the target mapping code, the newly added directory data and the target mapping code thereof are updated in the temporary code table, and the target mapping code is stored in the directory table.
Fig. 4 shows a schematic diagram of directory data transmission according to an embodiment of the present invention, as shown in fig. 4, a machine-file information management platform 01 may include a data acquisition module 011 and a directory sorting module 012, where the data acquisition module 011 of the machine-file information management platform 01 may acquire new directory data from the internet of things monitoring and networking management scheduling system 02, store the new directory data in a temporary directory table of the first-file platform database 03, and then call the directory sorting module 012 to obtain a mapping code table of a new directory by updating each directory into a new directory table after obtaining a mapping directory.
In the embodiment of the present invention, the information management platform may receive the newly added directory data and the temporary code table, traverse the newly added directory data, obtain the mapping code corresponding to the parent directory and the number of child directories of the parent directory and the same child directory as the newly added directory data under the condition that the newly added directory data is received and the mapping code corresponding to the newly added directory data does not exist in the temporary code table, obtain the mapping code of the newly added directory data under the child directory based on the number of child directories, set the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the newly added directory data, set the mapping code as the target mapping code to be stored in the directory table corresponding to the newly added directory data under the condition that the mapping code corresponding to the newly added directory data exists in the temporary code table, and store the mapping code as the target mapping code in the directory table corresponding to the newly added directory data under the condition that, the code corresponding to the newly added directory data is set as the target mapping code and stored in the directory table corresponding to the newly added directory data, so that the directory can be recoded, the bit number and the range of the code can be randomly expanded, and the situation that the directory is disordered due to random coding when the newly added directory data occurs 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. 5, a block diagram of a code distribution apparatus according to a third embodiment of the present invention is shown, where the code distribution apparatus 700 may be applied to an information management platform, and the apparatus specifically includes:
a first obtaining module 701, configured to obtain, when the newly added directory data is received and a mapping code corresponding to the newly added directory data does not exist in the temporary code table, a mapping code corresponding to a parent directory and a number of child directories in the parent directory that are the same as children of the newly added directory data;
a second obtaining module 702, configured to obtain, based on the number of the sub-level directories, a mapping code of the newly added directory data in the sub-level directory;
the first setting module 703 is configured to set the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as a target mapping code corresponding to the newly added directory data.
Optionally, the apparatus further comprises:
and the storage module is used for storing the target mapping codes into the mapping code table corresponding to the newly added directory data.
Optionally, the apparatus further comprises:
the receiving module is used for receiving the newly added catalogue data and the temporary coding table;
and the traversing module is used for traversing the newly added directory data.
Optionally, the apparatus further comprises:
and the storage module is used for setting the mapping codes as target mapping codes and storing the target mapping codes into the directory table corresponding to the newly added directory data under the condition that the mapping codes corresponding to the newly added directory data exist in the temporary code table.
Optionally, the apparatus further comprises:
and the second setting module is used for setting the code corresponding to the newly added catalogue data as the target mapping code and storing the target mapping code into the catalogue table corresponding to the newly added catalogue data under the condition that the parent catalogue does not exist.
In this embodiment of the present invention, the information management platform may obtain, through the first obtaining module, when the new directory data is received and the mapping code corresponding to the new directory data does not exist in the temporary code table, acquiring the mapping code corresponding to the parent directory and the number of the child directories of the same child level as the newly added directory data under the parent directory, acquiring the mapping code of the newly added directory data under the child directory based on the number of the child directories through a second acquisition module, and setting the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the newly added directory data through a first setting module so as to realize the recoding of the directory, and the bit number and the range of the code can be randomly expanded, so that the condition that the directory is disordered due to random coding when the directory data is newly added is avoided.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
An embodiment of the present invention further provides an electronic device, including:
one or more processors; and
one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to perform the code distribution method as described above.
The embodiment of the invention also provides a computer readable storage medium, which stores a computer program for enabling a processor to execute the code distribution method.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network circuit Switching (circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 6, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 7, 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. 8, the network interface module (downlink network interface module 301, uplink network interface module 302), switching engine module 303 and 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, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the incoming data packet of the CPU module 304 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 308 is configured by the CPU module 304, 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. 9, the system 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, acquires the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MACSA of the ethernet coordination gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.
As shown in the following table, the data packet of the access network mainly includes the following parts:
DA SA Reserved Payload CRC
wherein:
the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;
the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);
the reserved byte consists of 2 bytes;
the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
DA SA Reserved label (R) Payload CRC
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Based on the above characteristics of the video network, one of the core concepts of the embodiments of the present invention is provided, in which the collaboration server may receive first audio data sent by the wireless image transmission device, send the first audio data to the video network terminal, so that a speaking party of the video network terminal may hear the first audio data sent by the wireless image transmission device, receive second audio data returned by the video network terminal according to the first audio data, and finally send the second audio data to the wireless image transmission device, so that the wireless image transmission device may hear the second audio data sent by the speaking party of the video network terminal, and may implement voice communication between the video network terminal and the wireless image transmission device.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is provided for a code allocation method and apparatus provided by the present invention, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A code distribution method applied to an information management platform, the method comprising:
under the condition that newly added directory data are received and mapping codes corresponding to the newly added directory data do not exist in a temporary code table, acquiring mapping codes corresponding to a parent directory and the number of child directories which are identical to the newly added directory data and are in the same child level under the parent directory;
based on the number of the sublevel directories, acquiring mapping codes of the newly added directory data under the sublevel directories;
and setting the mapping code corresponding to the parent-level directory and the mapping code corresponding to the child level as the target mapping code corresponding to the newly added directory data.
2. The method of claim 1, wherein after the setting the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the new directory data, the method further comprises:
and storing the target mapping code into a mapping code table corresponding to the newly added directory data.
3. The method of claim 1, wherein before the obtaining of the mapping code corresponding to the parent directory and the number of child directories under the parent directory and in the same child level as the newly added directory data, the method further comprises:
receiving newly added directory data and a temporary coding table;
and traversing the newly added directory data.
4. The method of claim 1, wherein after the setting the mapping code corresponding to the parent directory and the mapping code corresponding to the child directory as the target mapping code corresponding to the new directory data, the method further comprises:
and under the condition that the mapping code corresponding to the newly added directory data exists in the temporary code table, setting the mapping code as a target mapping code and storing the target mapping code in the directory table corresponding to the newly added directory data.
5. The method of claim 1, wherein after obtaining the mapping code corresponding to the parent directory and the number of child directories under the parent directory and identical to the new directory data in children, the method further comprises:
and under the condition that the parent-level directory does not exist, setting the code corresponding to the newly added directory data as a target mapping code and storing the target mapping code into the directory table corresponding to the newly added directory data.
6. An encoding distribution device applied to an information management platform, the device comprising:
the first obtaining module is used for obtaining the mapping code corresponding to the parent directory and the number of the child directories of the same child level as the newly added directory data under the parent directory under the condition that the newly added directory data are received and the mapping code corresponding to the newly added directory data does not exist in a temporary code table;
the second obtaining module is used for obtaining the mapping codes of the newly added catalog data under the sublevel catalog based on the number of the sublevel catalogues;
and the first setting module is used for setting the mapping code corresponding to the parent-level directory and the mapping code corresponding to the child-level directory as the target mapping code corresponding to the newly added directory data.
7. The apparatus of claim 6, further comprising:
and the storage module is used for storing the target mapping code into a mapping code table corresponding to the newly added directory data.
8. The apparatus of claim 6, further comprising:
the receiving module is used for receiving the newly added catalogue data and the temporary coding table;
and the traversing module is used for traversing the newly added directory data.
9. An electronic device, comprising:
one or more processors; and
one or more machine readable media having instructions stored thereon that, when executed by the one or more processors, cause the apparatus to perform the code distribution method of any of claims 1-5.
10. A computer-readable storage medium storing a computer program for causing a processor to execute the code allocation method according to any one of claims 1 to 5.
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US20130262865A1 (en) * 2010-12-16 2013-10-03 David Irvine Distributed file systems
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130262865A1 (en) * 2010-12-16 2013-10-03 David Irvine Distributed file systems
CN105550371A (en) * 2016-01-27 2016-05-04 华中科技大学 Big data environment oriented metadata organization method and system
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CN110619066A (en) * 2019-08-30 2019-12-27 视联动力信息技术股份有限公司 Information acquisition method and device based on directory tree

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