CN109660753B - Resource synchronization method and device - Google Patents
Resource synchronization method and device Download PDFInfo
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- CN109660753B CN109660753B CN201811308522.2A CN201811308522A CN109660753B CN 109660753 B CN109660753 B CN 109660753B CN 201811308522 A CN201811308522 A CN 201811308522A CN 109660753 B CN109660753 B CN 109660753B
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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
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Abstract
The invention provides a resource synchronization method and a resource synchronization device, which are applied to a video network. The method comprises the following steps: the monitoring protocol conversion server receives a resource synchronization instruction sent by the video networking monitoring platform based on a video networking protocol according to a preset synchronization time interval; the monitoring co-transformation server records a first time point when the resource synchronization instruction is received, and determines a resource synchronization time period according to the first time point; the monitoring cooperative conversion server searches the information of the monitoring resources which change in a time period from the information of the plurality of monitoring resources; and the monitoring protocol conversion server returns the changed information of the monitoring resources to the video networking monitoring platform based on the video networking protocol. The invention can ensure the accuracy of monitoring resource information in the video network monitoring platform; and management can be carried out according to time periods during synchronization, only the information of the monitoring resources which change in a specific time period is synchronized, the data volume during each synchronization is reduced, the synchronization efficiency is improved, and the user experience is improved.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a resource synchronization method and a resource synchronization apparatus.
Background
Video surveillance is an important component of security systems. The traditional monitoring system comprises front-end monitoring equipment, a transmission cable and a video monitoring platform. Video monitoring is widely applied to many occasions due to intuition, accuracy, timeliness and rich information content. In recent years, with the rapid development of computers, networks, image processing and transmission technologies, video monitoring technologies have been developed.
In practical applications, the monitoring devices may change for some reasons, such as a change in the number of monitoring devices, a change in the operating status of the monitoring device resources, and so on. If the changed conditions of the monitoring devices cannot be updated in the video monitoring platform in time, the information of the monitoring devices in the video monitoring platform is inaccurate.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a resource synchronization method and a corresponding resource synchronization apparatus that overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present invention discloses a resource synchronization method, where the method is applied to a video network, where the video network includes a video network monitoring platform and a monitoring protocol conversion server, and the monitoring protocol conversion server records information of a plurality of monitoring resources, and the method includes:
the monitoring protocol conversion server receives a resource synchronization instruction sent by the video networking monitoring platform according to a preset synchronization time interval and based on a video networking protocol;
the monitoring co-rotation server records a first time point when the resource synchronization instruction is received at this time, and determines a time period of the resource synchronization at this time according to the first time point;
the monitoring cooperative conversion server searches the information of the monitoring resources which change in the time period from the information of the plurality of monitoring resources;
and the monitoring protocol conversion server returns the changed information of the monitoring resource to the video networking monitoring platform based on a video networking protocol.
Preferably, the step of determining the time period of the resource synchronization according to the first time point includes: the monitoring co-rotation server judges whether a second time point when the last resource synchronization is finished is recorded; and if the monitoring cooperative conversion server judges that the resource synchronization is successful, taking the time period from the second time point to the first time point as the time period of the current resource synchronization.
Preferably, the monitoring co-rotating server is connected to a plurality of monitoring resources, and the method further includes: the monitoring cooperation server detects whether a plurality of connected monitoring resources change or not, and records the identification, the change type and the change time point of the changed monitoring resources as the information of the changed monitoring resources.
Preferably, the monitoring co-transformation server is connected to a third-party monitoring platform, and the third-party monitoring platform is connected to a plurality of monitoring resources, and the method further includes: and the monitoring co-transformation server receives the identifier, the change type and the change time point of the changed monitoring resource, which are reported by the third-party monitoring platform and detected by the third-party monitoring platform, and records the information as the changed monitoring resource.
Preferably, the information of the monitoring resource includes an identifier, a change type and a change time point of the monitoring resource; the step of searching the information of the monitoring resource which changes in the time period from the information of the plurality of monitoring resources by the monitoring cooperative conversion server includes: and the monitoring cooperative conversion server searches the information of the monitoring resources with the change type indication changed and the change time point positioned in the time period from the information of the plurality of monitoring resources.
Preferably, after the step of returning the information of the changed monitoring resource to the video networking monitoring platform by the monitoring protocol server based on the video networking protocol, the method further includes: and the monitoring co-rotation server records the current time point as a second time point when the resource synchronization is finished.
Preferably, the resource synchronization instruction includes a synchronization mode, and the synchronization mode includes incremental synchronization and full synchronization; before the step of recording a first time point when the resource synchronization instruction is received this time by the monitoring co-rotation server and determining a time period of this resource synchronization according to the first time point, the method further includes: the monitoring co-transfer server judges whether the resource synchronization mode is incremental synchronization; the monitoring protocol conversion server records a first time point when the resource synchronization instruction is received this time, and determines a time period of the resource synchronization this time according to the first time point, and the method comprises the following steps: and if the monitoring protocol conversion server judges that the resource synchronization instruction is received, recording a first time point when the resource synchronization instruction is received, and determining the resource synchronization time period according to the first time point.
Preferably, the step of the monitoring coordination server searching for information of the monitoring resource that changes in the time period includes: and the monitoring cooperative conversion server searches the information of the monitoring resources which are newly added, deleted and changed in state in the time period.
On the other hand, the embodiment of the invention also discloses a resource synchronization device, the device is applied to the video network, the video network comprises a video network monitoring platform and a monitoring transfer server, the monitoring transfer server records the information of a plurality of monitoring resources, and the monitoring transfer server comprises:
the receiving module is used for receiving a resource synchronization instruction sent by the video networking monitoring platform according to a preset synchronization time interval and based on a video networking protocol;
the determining module is used for recording a first time point when the resource synchronization instruction is received this time and determining the time period of the resource synchronization this time according to the first time point;
the searching module is used for searching the information of the monitoring resources which change in the time period from the information of the plurality of monitoring resources;
and the sending module is used for returning the changed information of the monitoring resource to the video networking monitoring platform based on a video networking protocol.
Preferably, the determining module comprises: the time judgment submodule is used for judging whether a second time point when the last resource synchronization is finished is recorded; and the time determining submodule is used for taking the time period from the second time point to the first time point as the time period of the current resource synchronization if the time judging submodule judges that the time is positive.
In the embodiment of the invention, a monitoring protocol conversion server receives a resource synchronization instruction sent by a video network monitoring platform according to a preset synchronization time interval and based on a video network protocol, and records a first time point when the resource synchronization instruction is received; the monitoring co-rotation server determines the resource synchronization time period according to the first time point; the monitoring cooperative conversion server searches the information of the monitoring resources which change in the time period from the information of the plurality of monitoring resources; and the monitoring protocol conversion server returns the changed information of the monitoring resource to the video networking monitoring platform based on a video networking protocol. Therefore, the video network monitoring platform in the embodiment of the invention can regularly and synchronously monitor the information of the monitoring resources in the protocol conversion server, so that the accuracy of the information of the monitoring resources in the video network monitoring platform can be ensured; and during synchronization, the information of all monitoring resources is not required to be synchronized, management is performed according to time periods, and only the information of the monitoring resources which change in a specific time period is synchronized, so that the data volume during each synchronization is reduced, the synchronization efficiency is improved, and the user experience is improved.
Drawings
FIG. 1 is a schematic networking diagram of a video network of the present invention;
FIG. 2 is a schematic diagram of a hardware architecture of a node server according to the present invention;
fig. 3 is a schematic diagram of a hardware structure of an access switch of the present invention;
fig. 4 is a schematic diagram of a hardware structure of an ethernet protocol conversion gateway according to the present invention;
FIG. 5 is a flowchart illustrating steps of a resource synchronization method according to a first embodiment of the present invention;
fig. 6 is a block diagram of a resource synchronization apparatus according to a second embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.
To better understand the embodiments of the present invention, the following description refers to the internet of view:
some of the technologies applied in the video networking are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network Circuit Switching (Circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.
Switching Technology (Switching Technology)
The video network adopts two advantages of asynchronism and packet switching of the Ethernet, eliminates the defects of the Ethernet on the premise of full compatibility, has end-to-end seamless connection of the whole network, is directly communicated with a user terminal, and directly bears an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.
Server Technology (Server Technology)
The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.
Storage Technology (Storage Technology)
The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.
Network Security Technology (Network Security Technology)
The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.
Service Innovation Technology (Service Innovation Technology)
The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.
Networking of the video network is as follows:
the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.
As shown in fig. 1, the video network is divided into an access network and a metropolitan network.
The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.
The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server can be directly connected with the access switch or directly connected with the terminal.
Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.
The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.
The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.
Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.
The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.
1. Video networking device classification
1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.
1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the system mainly includes a network interface module 201, a switching engine module 202, a CPU module 203, and a disk array module 204;
the network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.
The access switch:
as shown in fig. 3, the network interface module mainly includes a network interface module (a downlink network interface module 301 and an uplink network interface module 302), a switching engine module 303 and a CPU module 304;
wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the data packet coming from the CPU module 204 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:
if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;
if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.
The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downstream network interfaces to upstream network interfaces at programmable intervals to control the rate of upstream forwarding.
The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.
Ethernet protocol conversion gateway：
As shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.
Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the video networking destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet coordination gateway, and the ethernet length or frame type, and sends the packet.
The other modules in the ethernet protocol gateway function similarly to the access switch.
A terminal:
the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.
1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.
2. Video networking packet definition
2.1 Access network packet definition
The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved 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 data packets, and is 64 bytes if the data packet is a variety of protocol packets, and is 32+1024 or 1056 bytes if the data packet is a unicast data packet, of course, the length is not limited to the above 2 types;
the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.
2.2 metropolitan area network packet definition
The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the metro network address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.
In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.
As shown in the following table, the data packet of the metro network mainly includes the following parts:
| DA | SA | Reserved | label (R) | Payload | CRC |
Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined by reference to the following: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.
Based on the characteristics of the video network, the resource synchronization scheme provided by the embodiment of the invention follows the protocol of the video network, and can more efficiently and more accurately synchronize the information of the monitored resources.
Example one
The resource synchronization method of the embodiment of the invention can be applied to the video network. The video network monitoring platform and the monitoring transfer server can be included in the video network, and the video network monitoring platform can be connected with the monitoring transfer server.
The monitoring protocol server may be understood as a gateway, and is responsible for accessing external (e.g., on the internet) monitoring resources (which may also be described as monitoring devices) to the video network monitoring platform. The monitoring resources encode the collected monitoring videos based on the corresponding internet protocol, the monitoring protocol transfer server can acquire monitoring data based on the internet protocol after the monitoring resources are encoded, the monitoring protocol transfer server can convert the monitoring data based on the internet protocol into monitoring data based on the video networking protocol, and then the monitoring data is sent to a video networking monitoring platform, so that the monitoring resources on the internet are browsed and controlled in the video networking.
The monitoring protocol server may be connected to a plurality of monitoring resources, where the connection may be a direct connection. Therefore, the monitoring coordination server can record the information of the plurality of monitoring resources connected with the monitoring coordination server and can acquire the monitoring data of the plurality of monitoring resources connected with the monitoring coordination server. The monitoring co-transformation server can also be connected with at least one third-party monitoring platform positioned in the Internet, and the third-party monitoring platform is connected with a plurality of monitoring resources. Therefore, the monitoring co-transformation server can record the information of the plurality of monitoring resources connected through the third-party monitoring platform and can acquire the monitoring data of the plurality of monitoring resources connected through the third-party monitoring platform, so that the video network monitoring platform is in butt joint with the third-party monitoring platform, and the sharing of the monitoring resources in the video network and the internet is realized. The third-party monitoring platform can be a public security monitoring platform, a medical monitoring platform, and the like.
The video network monitoring platform can comprise a video network monitoring client, a video network monitoring server and a video network monitoring database. The video network monitoring client can be a Web end, and the video network monitoring server can be an Mserver. The video network monitoring client mainly provides interaction with a user; the video network monitoring server can be connected with the monitoring transfer server and is mainly used for providing interaction with the monitoring transfer server; the video network monitoring database can be connected with a video network monitoring server and is mainly used for storing relevant data such as information of monitoring resources and the like so as to be used for the video network monitoring server to perform operations such as inquiry, modification and the like.
In order to obtain the information of each monitoring resource, the video networking monitoring platform can obtain the information of each monitoring resource from the monitoring coordination server. However, in practical applications the monitoring resources may change. For example, the change may be adding one or more monitoring resources, deleting one or more monitoring resources, or changing the state of one or more monitoring resources. The state change may be that the state of the monitoring resource changes from online to offline due to disconnection of the network, or the state of the monitoring resource changes from offline to online due to reconnection of the network, or the like. The video network monitoring platform may not be able to timely acquire the change condition of the monitoring resource, thereby causing the information of the video network monitoring platform to be inaccurate. In view of the above situation, the embodiments of the present invention provide a method for synchronizing information of monitoring resources in time, which is described in detail below.
Referring to fig. 5, a flowchart illustrating steps of a resource synchronization method according to a first embodiment of the present invention is shown.
The resource synchronization method of the embodiment of the invention can comprise the following steps:
Since the monitoring resource may be changed, the information of the monitoring resource recorded in the monitoring collaboration server is also updated after the monitoring resource is changed.
For one situation, the monitoring coordination server may be connected to a plurality of monitoring resources, and may record information of the plurality of monitoring resources connected to the monitoring coordination server. In this case, the monitoring coordination server may detect whether a plurality of monitoring resources connected to the monitoring coordination server change, and when it is detected that one or more monitoring resources change, record an identifier, a change type, and a change time point of the changed monitoring resources as information of the changed monitoring resources.
For another situation, the monitoring coordination server may be connected to at least one third-party monitoring platform located in the internet, the third-party monitoring platform is connected to the plurality of monitoring resources, and the monitoring coordination server may record information of the plurality of monitoring resources connected through the third-party monitoring platform. In this case, the third-party monitoring platform may detect whether a plurality of monitoring resources connected to the third-party monitoring platform change, and when it is detected that one or more monitoring resources change, obtain an identifier, a change type, and a change time point of the changed monitoring resources; the third-party monitoring platform reports the changed identification, the changed type and the changed time point of the monitoring resource to the monitoring co-transfer server based on the Internet protocol; and the monitoring co-transformation server receives the identification, the change type and the change time point of the changed monitoring resource reported by the third-party monitoring platform and records the information of the changed monitoring resource.
In the above case, the change may include addition, deletion, status change, etc. Of course, the information of the monitoring resource may also include other information, such as the geographic location, model number, etc. of the monitoring resource. The detection may be real-time detection or periodic detection, which is not limited in the embodiment of the present invention. For example, if it is detected that a new monitoring resource is registered, it may be determined that the monitoring resource is an added monitoring resource. Each registered monitoring resource can send heartbeat messages periodically, and if the condition that the heartbeat messages sent by a certain monitoring resource are not received for a preset number of times is detected, the state change of the monitoring resource can be determined, and the monitoring resource is changed from online to offline; if the heartbeat message sent by a certain monitoring resource is received again after the monitoring resource is detected to be offline, the state change of the monitoring resource can be determined, and the offline state is changed into the online state. If a registered monitoring resource is detected to be unregistered, the monitoring resource can be determined to be a deleted monitoring resource.
The video network monitoring platform can synchronously monitor the information of the monitoring resources on the cooperative transmission server in order to ensure the consistency of the information of the monitoring resources stored by the video network monitoring platform and the information of the monitoring resources stored in the monitoring cooperative transmission server.
In a specific implementation, an operation page for setting information can be provided in the video network monitoring client, and a user can input related information on the operation page to set a synchronization task. For example, the synchronization task may include information such as a synchronization start time, a synchronization time interval, a synchronization mode, and the like. The synchronization start time is used to indicate when to start the resource synchronization process, for example, the start time may be a certain day, a certain time point in the day, and the like, which is not limited in this embodiment of the present invention. The synchronization time interval is used to indicate how often the resource synchronization process is performed, and for example, the time interval may be several days, several hours, and the like, which is not limited in this embodiment of the present invention. The synchronization means may include full-scale synchronization, incremental synchronization, etc. The full synchronization may represent information of all monitoring resources in the synchronous monitoring co-rotating server, and the incremental synchronization may represent information of monitoring resources that change in the synchronous monitoring co-rotating server. After the setting is completed, the video network monitoring client may send the synchronization task to the video network monitoring server, for example, the video network monitoring client may send the synchronization task in an http request manner.
After receiving the synchronization task, the video network monitoring server can judge whether the synchronization start time is reached, if not, the judgment is continued, and if the synchronization start time is not reached, a resource synchronization instruction carrying a synchronization mode can be generated. The video networking monitoring server can send a resource synchronization instruction to the monitoring protocol conversion server based on the video networking protocol according to the synchronization time interval. Specifically, the video networking monitoring server may encapsulate the resource synchronization instruction into a video networking protocol data packet based on a video networking protocol, and periodically send the video networking protocol data packet to the monitoring protocol conversion server according to the synchronization time interval.
The monitoring cooperation server can receive a resource synchronization instruction sent by a video networking monitoring platform (specifically, a video networking monitoring server) based on a video networking protocol according to a preset synchronization time interval. And after receiving the video networking protocol data packet of the encapsulated resource synchronization instruction once, the monitoring protocol conversion server analyzes the video networking protocol data packet to obtain the resource synchronization instruction, and can perform resource synchronization operation according to the resource synchronization instruction.
In an embodiment, after receiving the resource synchronization instruction once, the monitoring co-rotation server may first determine whether a synchronization mode included therein is incremental synchronization. If the resource synchronization instruction is full synchronization, performing resource synchronization operation corresponding to the full synchronization according to the resource synchronization instruction; and if the resource synchronization instruction is incremental synchronization, performing resource synchronization operation corresponding to the incremental synchronization according to the resource synchronization instruction.
The resource synchronization operation corresponding to the full-scale synchronization may include: the monitoring protocol conversion server acquires the recorded information of all the monitoring resources, and returns the information of all the monitoring resources to the video network monitoring platform based on the video network protocol, and the video network monitoring platform can store the information of all the monitoring resources. In a specific implementation, the monitoring protocol conversion server may encapsulate information of all monitoring resources into an internet-of-view protocol data packet based on an internet-of-view protocol, and return the internet-of-view protocol data packet to the monitoring server. The video network monitoring server can write the information of all monitoring resources into the video network monitoring database, and can replace the information of the original monitoring resources so as to integrally update the information of the monitoring resources. However, if the full synchronization is performed every time, frequently synchronizing all data may put a great strain on the hardware performance of the related devices when the number of monitoring resources is very large; and each synchronization needs a great deal of action of modifying the video network monitoring database, which also has great influence on the performance of the related equipment.
The resource synchronization operation corresponding to the incremental synchronization may include: the monitoring co-rotation server can record a first time point when the resource synchronization instruction is received, and determine the resource synchronization time period according to the first time point.
In the embodiment of the invention, when the resource synchronization is finished each time, the monitoring co-rotation server can also record the second time point when the resource synchronization is finished. When the next resource synchronization is performed, the second time point recorded when the current resource synchronization is finished may be used as the second time point when the last resource synchronization is finished corresponding to the next resource synchronization.
Therefore, in an embodiment, the monitoring and cooperating server determining the time period of the resource synchronization according to the first time point may include: the monitoring co-rotation server judges whether a second time point when the last resource synchronization is finished is recorded; if yes, taking a time period from the second time point to the end of the first time point as a time period of the current resource synchronization; if the resource synchronization time period is judged to be not, all time before the first time point can be used as the time period of the current resource synchronization, or the time period in the preset time before the first time point can be used as the time period of the current resource synchronization. It should be noted that if the synchronization is the first synchronization, the full-scale synchronization may be performed.
Of course, in the embodiment of the present invention, it may also be negotiated in advance that the synchronization mode is incremental synchronization, so that after the monitoring coordination server receives the resource synchronization instruction once, the monitoring coordination server may directly record the first time point when the resource synchronization instruction is received this time without determining whether the synchronization mode included in the resource synchronization instruction is incremental synchronization, and determine the time period of the resource synchronization this time according to the first time point.
As described above, the information of the monitoring resource may include an identifier of the monitoring resource, a change type, a change time point, and the like. Wherein, for the information of the change type, if the information of the monitoring resource is not changed, it can be recorded as none; if the information of the monitored resource changes, the specific type of the change, such as addition, deletion, status change (which may be specific to how the status changes, such as changing from online to offline, changing from offline to online, etc.), etc. may be recorded.
After determining the time period of resource synchronization, the monitoring protocol server may search information of the monitoring resource that changes in the time period from the recorded information of the multiple monitoring resources. In a specific implementation, the monitoring cooperative conversion server searches for information of the monitoring resource, of which the change type indication changes and the change time point is located in the time period, from information of a plurality of monitoring resources. The change type indication can be understood as that the change type is addition, deletion, state change, and the like.
And 504, returning the information of the changed monitoring resources to the video networking monitoring platform by the monitoring protocol conversion server based on a video networking protocol.
After the monitoring protocol conversion server finds the information of the monitoring resources which change in the time period of the resource synchronization, the information of the monitoring resources which change can be returned to the video network monitoring platform based on the video network protocol, and the video network monitoring platform can store the information of the monitoring resources which change so as to update the information of the corresponding monitoring resources which are stored before.
In a specific implementation, the monitoring protocol conversion server may encapsulate information of the changed monitoring resource into an internet-of-view protocol data packet based on an internet-of-view protocol, and return the internet-of-view protocol data packet to the monitoring server. After receiving the video networking protocol data packet encapsulating the information of the changed monitoring resource, the video networking monitoring server can analyze the video networking protocol data packet to obtain the information of the changed monitoring resource included in the video networking protocol data packet. The video network monitoring server writes the information of the changed monitoring resources into the video network monitoring database, and can replace the original information of the changed monitoring resources so as to update the information of the changed monitoring resources.
It should be noted that, after the monitoring protocol-based monitoring protocol returns the information of the changed monitoring resource to the video networking monitoring platform, the monitoring protocol-based server may also record the current time point, which is used as the second time point when the resource synchronization is finished, so as to provide a relevant basis for the next resource synchronization process.
In the embodiment of the invention, the video networking monitoring platform can regularly and synchronously monitor the information of the monitoring resources in the protocol conversion server, so that the accuracy of the monitoring resource information in the video networking monitoring platform can be ensured; and when in synchronization, the information of all monitoring resources is not required to be synchronized, but the management is carried out according to the time period, and only the information of the monitoring resources which are changed in the specific time period is synchronized, so that the data volume during synchronization at each time is reduced, the performance of the monitoring protocol server and the video network monitoring platform is greatly facilitated, the synchronization efficiency can be improved, and the user experience is improved.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Example two
Referring to fig. 6, a block diagram of a resource synchronization apparatus according to a second embodiment of the present invention is shown. The resource synchronization device of the embodiment of the invention can be applied to the video network. The video network comprises a video network monitoring platform and a monitoring transfer server, wherein information of a plurality of monitoring resources is recorded in the monitoring transfer server.
The resource synchronization device of the embodiment of the invention can comprise the following modules in the monitoring cooperative server:
the monitoring co-rotation server comprises:
a receiving module 601, configured to receive a resource synchronization instruction sent by the video networking monitoring platform according to a preset synchronization time interval and based on a video networking protocol;
a determining module 602, configured to record a first time point when the resource synchronization instruction is received this time, and determine a time period of resource synchronization this time according to the first time point;
a searching module 603, configured to search, from the information of the multiple monitoring resources, information of a monitoring resource that changes within the time period;
a sending module 604, configured to return the information of the changed monitoring resource to the video networking monitoring platform based on a video networking protocol.
In a preferred embodiment, the determining module comprises: the time judgment submodule is used for judging whether a second time point when the last resource synchronization is finished is recorded; and the time determining submodule is used for taking the time period from the second time point to the first time point as the time period of the current resource synchronization if the time judging submodule judges that the time is positive.
In a preferred embodiment, the monitoring coordination server is connected to a plurality of monitoring resources. The monitoring co-transformation server further comprises: the first recording module is used for detecting whether the connected monitoring resources change or not, and recording the identification, the change type and the change time point of the changed monitoring resources as the information of the changed monitoring resources.
In a preferred embodiment, the monitoring coordination server is connected to a third-party monitoring platform, and the third-party monitoring platform is connected to a plurality of monitoring resources. The monitoring co-transformation server further comprises: and the second recording module is used for receiving the identifier, the change type and the change time point of the changed monitoring resource, which are reported by the third-party monitoring platform and detected by the third-party monitoring platform, and recording the information serving as the changed monitoring resource.
In a preferred embodiment, the information of the monitoring resource includes an identifier of the monitoring resource, a change type, and a change time point. The searching module is specifically configured to search information of the monitoring resources, in which a change type indication changes and a change time point is located in the time period, from the information of the multiple monitoring resources.
In a preferred embodiment, the monitoring coordination server further includes: and the third recording module is used for recording the current time point as a second time point when the resource synchronization is finished.
In a preferred embodiment, the resource synchronization instruction includes a synchronization mode, and the synchronization mode includes an incremental synchronization and a full synchronization. The monitoring co-transformation server further comprises: and the judging module is used for judging whether the resource synchronization mode is incremental synchronization. The determining module is specifically configured to record a first time point when the resource synchronization instruction is received this time if the determining module determines that the resource synchronization instruction is received, and determine the time period of the resource synchronization this time according to the first time point.
In a preferred embodiment, the searching module is specifically configured to search for information of monitoring resources that are added, deleted, and changed in state within the time period.
In the embodiment of the invention, the video networking monitoring platform can regularly and synchronously monitor the information of the monitoring resources in the protocol conversion server, so that the accuracy of the monitoring resource information in the video networking monitoring platform can be ensured; and during synchronization, the information of all monitoring resources is not required to be synchronized, management is performed according to time periods, and only the information of the monitoring resources which change in a specific time period is synchronized, so that the data volume during each synchronization is reduced, the synchronization efficiency is improved, and the user experience is improved.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The resource synchronization method and the resource synchronization apparatus provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained in this document 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 (9)
1. A resource synchronization method is applied to a video network, wherein the video network comprises a video network monitoring platform and a monitoring protocol conversion server, and information of a plurality of monitoring resources is recorded in the monitoring protocol conversion server, and the method comprises the following steps:
the monitoring protocol conversion server receives a resource synchronization instruction sent by the video networking monitoring platform according to a preset synchronization time interval and based on a video networking protocol;
the monitoring co-rotation server records a first time point when the resource synchronization instruction is received at this time, and determines a time period of the resource synchronization at this time according to the first time point;
the monitoring cooperative conversion server searches the information of the monitoring resources which change in the time period from the information of the plurality of monitoring resources;
the monitoring protocol conversion server returns the information of the changed monitoring resources to the video networking monitoring platform based on a video networking protocol;
the resource synchronization instruction comprises a synchronization mode, and the synchronization mode comprises incremental synchronization and full synchronization;
before the step of recording a first time point when the resource synchronization instruction is received this time by the monitoring co-rotation server and determining a time period of this resource synchronization according to the first time point, the method further includes: the monitoring co-transfer server judges whether the resource synchronization mode is incremental synchronization;
the monitoring protocol conversion server records a first time point when the resource synchronization instruction is received this time, and determines a time period of the resource synchronization this time according to the first time point, and the method comprises the following steps: and if the monitoring protocol conversion server judges that the resource synchronization instruction is received, recording a first time point when the resource synchronization instruction is received, and determining the resource synchronization time period according to the first time point.
2. The method according to claim 1, wherein the step of determining the time period of the current resource synchronization according to the first time point comprises:
the monitoring co-rotation server judges whether a second time point when the last resource synchronization is finished is recorded;
and if the monitoring cooperative conversion server judges that the resource synchronization is successful, taking the time period from the second time point to the first time point as the time period of the current resource synchronization.
3. The method of claim 1, wherein the monitoring coordination server is coupled to a plurality of monitoring resources, the method further comprising:
the monitoring cooperation server detects whether a plurality of connected monitoring resources change or not, and records the identification, the change type and the change time point of the changed monitoring resources as the information of the changed monitoring resources.
4. The method of claim 1 or 3, wherein the monitoring co-transformation server is connected to a third party monitoring platform, the third party monitoring platform being connected to a plurality of monitoring resources, the method further comprising:
and the monitoring co-transformation server receives the identifier, the change type and the change time point of the changed monitoring resource, which are reported by the third-party monitoring platform and detected by the third-party monitoring platform, and records the information as the changed monitoring resource.
5. The method of claim 1, wherein the information of the monitoring resource comprises an identification, a change type and a change time point of the monitoring resource; the step of searching the information of the monitoring resource which changes in the time period from the information of the plurality of monitoring resources by the monitoring cooperative conversion server includes:
and the monitoring cooperative conversion server searches the information of the monitoring resources with the change type indication changed and the change time point positioned in the time period from the information of the plurality of monitoring resources.
6. The method according to claim 1 or 2, wherein after the step of the monitoring protocol conversion server returning the information of the changed monitoring resource to the video network monitoring platform based on a video network protocol, the method further comprises:
and the monitoring co-rotation server records the current time point as a second time point when the resource synchronization is finished.
7. The method of claim 1, wherein the step of the monitoring protocol server searching for information of the monitoring resource that changes during the time period comprises:
and the monitoring cooperative conversion server searches the information of the monitoring resources which are newly added, deleted and changed in state in the time period.
8. The utility model provides a resource synchronizer, its characterized in that, the device is applied to in the video networking, includes video networking monitor platform and control in the video networking and collaborates and change the server, the control is collaborated and is changeed the information that has a plurality of control resources in the server, control is collaborated and is changeed the server and includes:
the receiving module is used for receiving a resource synchronization instruction sent by the video networking monitoring platform according to a preset synchronization time interval and based on a video networking protocol;
the determining module is used for recording a first time point when the resource synchronization instruction is received this time and determining the time period of the resource synchronization this time according to the first time point;
the searching module is used for searching the information of the monitoring resources which change in the time period from the information of the plurality of monitoring resources;
the sending module is used for returning the information of the changed monitoring resources to the video networking monitoring platform based on a video networking protocol;
the resource synchronization instruction comprises a synchronization mode, and the synchronization mode comprises incremental synchronization and full synchronization; the monitoring co-transformation server further comprises: the judging module is used for judging whether the resource synchronization mode is incremental synchronization; the determining module is specifically configured to record a first time point when the resource synchronization instruction is received this time if the determining module determines that the resource synchronization instruction is received, and determine the time period of the resource synchronization this time according to the first time point.
9. The apparatus of claim 8, wherein the determining module comprises:
the time judgment submodule is used for judging whether a second time point when the last resource synchronization is finished is recorded;
and the time determining submodule is used for taking the time period from the second time point to the first time point as the time period of the current resource synchronization if the time judging submodule judges that the time is positive.
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| CN110557435A (en) * | 2019-07-30 | 2019-12-10 | 视联动力信息技术股份有限公司 | data synchronization method and device |
| CN110557611B (en) * | 2019-08-28 | 2021-12-17 | 视联动力信息技术股份有限公司 | Information synchronization method, device and storage medium |
| CN110650183A (en) * | 2019-08-30 | 2020-01-03 | 视联动力信息技术股份有限公司 | Monitoring resource information pushing method and device |
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