CN110224988B - Image data processing method, system and device and storage medium - Google Patents
Image data processing method, system and device and storage medium Download PDFInfo
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Abstract
The embodiment of the invention provides a method, a system and a device for processing image data and a computer readable storage medium, wherein the method comprises the following steps: the node server receives data storage request information and image data from a first terminal, wherein the data storage request information comprises server identification information of a target storage server in a storage server cluster; the node server sends the data storage request information and the image data to a target storage server according to the server identification information; the target storage server is used for storing the image data to the local and sending the data synchronization request information to other storage servers in the storage server cluster through the video networking protocol, so that the other storage servers synchronously store the image data according to the data synchronization request information. The embodiment of the invention does not need the storage server to access the Ethernet, improves the efficiency and the safety of image data synchronization, and saves the network access cost of the storage server.
Description
Technical Field
The present invention relates to the field of video networking technologies, and in particular, to a method, a system, and an apparatus for processing image data, and a computer-readable storage medium.
Background
The video network is a special network for transmitting high-definition video and a special protocol at high speed based on Ethernet hardware, is a higher-level form of the Ethernet and is a real-time network. With the development of the video network, image data in the video network is increased. Each video network terminal can acquire image data, and then stores the image data in a storage server.
However, the number of storage servers is limited, and the storage servers cannot be distributed in each area. In order to ensure that the video network terminals in each area can access the image data in the storage servers, the storage servers need to synchronize the image data.
At present, when a storage server performs image data synchronization, the storage server still needs to transmit image data according to an ethernet protocol by means of an ethernet network accessed by the storage server. On one hand, because the security of the Ethernet is low and the speed is slow, the synchronous image data in the Ethernet is easy to steal and the synchronization efficiency is low. On the other hand, if the storage server is not connected to the ethernet, the image data synchronization function with another storage server cannot be completed.
Disclosure of Invention
In view of the above, embodiments of the present invention are proposed in order to provide a method, a system, an apparatus, and a computer-readable storage medium for processing image data that overcome or at least partially solve the above-mentioned problems.
In order to solve the above problem, an embodiment of the present invention discloses a method for processing image data, where the method is applied to a video network, where the video network includes a first terminal, a second terminal, a node server and a storage server cluster, the storage server cluster includes multiple storage servers that are communicatively connected to each other through a video network protocol, and the node server is communicatively connected to the first terminal, the second terminal and the storage server cluster, respectively; the method comprises the following steps: the node server receives data storage request information and image data from the first terminal, wherein the data storage request information comprises server identification information of a target storage server in the storage server cluster; the node server sends the data storage request information and the image data to the target storage server according to the server identification information; the target storage server is used for storing the image data to the local and sending data synchronization request information to other storage servers in the storage server cluster through the video networking protocol, so that the other storage servers can store the image data synchronously according to the data synchronization request information.
Optionally, after the step of the node server receiving the image data, the method further comprises: and the node server generates image identification information for the image data and sends the image identification information to the target storage server.
Optionally, the target storage server is further configured to determine whether the image data exists locally according to the image identification information and image identification information of locally stored image data; the data synchronization request information carries the image identification information; and the other storage servers are used for judging whether the image data exists locally or not according to the image identification information and the image identification information of the locally stored image data.
Optionally, after the step of the node server sending the data storage request information and the image data to the target storage server according to the server identification information, the method further includes: the node server receives data storage response information and data synchronization response information from the target storage server; the data storage response information comprises storage success information or storage failure information, and the storage failure information comprises storage failure reason information; the data synchronization response information comprises synchronization success information or synchronization failure information, and the synchronization failure information comprises synchronization failure reason information.
Optionally, the method further comprises: the node server receives data access request information from the second terminal, wherein the data access request information comprises position information of the second terminal; the node server determines a target access server according to the position information and preset position information of each storage server; the node server sends the data access request information to the target access server so that the target access server can return corresponding image data according to the data access request information; and the node server sends the corresponding image data to the second terminal according to a preset downlink communication link, and the second terminal is used for displaying the corresponding image data.
The embodiment of the invention also discloses a system for processing the image data, which is applied to a video network, wherein the video network comprises a first terminal, a second terminal, a node server and a storage server cluster, the storage server cluster comprises a plurality of storage servers which are mutually communicated and connected through a video network protocol, and the node server is respectively communicated and connected with the first terminal, the second terminal and the storage server cluster; the node server includes: a first receiving module, configured to receive data storage request information and image data from the first terminal, where the data storage request information includes server identification information of a target storage server in the storage server cluster; the first sending module is used for sending the data storage request information and the image data to the target storage server according to the server identification information; the target storage server is used for storing the image data to the local and sending data synchronization request information to other storage servers in the storage server cluster through the video networking protocol, so that the other storage servers can store the image data synchronously according to the data synchronization request information.
Optionally, the node server further includes: the generating module is used for generating image identification information for the image data after the first receiving module receives the image data and sending the image identification information to the target storage server; the target storage server is further used for judging whether the image data exists locally or not according to the image identification information and the image identification information of the locally stored image data; the data synchronization request information carries the image identification information; and the other storage servers are used for judging whether the image data exists locally or not according to the image identification information and the image identification information of the locally stored image data.
Optionally, the first receiving module is further configured to receive data storage response information and data synchronization response information from the target storage server after the first sending module sends the data storage request information and the image data to the target storage server according to the server identification information; the data storage response information comprises storage success information or storage failure information, and the storage failure information comprises storage failure reason information; the data synchronization response information comprises synchronization success information or synchronization failure information, and the synchronization failure information comprises synchronization failure reason information; the node server further comprises: a second receiving module, configured to receive data access request information from the second terminal, where the data access request information includes location information of the second terminal; the determining module is used for determining a target access server according to the position information and preset position information of each storage server; the second sending module is used for sending the data access request information to the target access server so that the target access server can return corresponding image data according to the data access request information; and the forwarding module is used for sending the corresponding image data to the second terminal according to a preset downlink communication link, and the second terminal is used for displaying the corresponding image data.
The embodiment of the invention also discloses a device, which comprises:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform one or more methods of processing image data as described in embodiments of the invention.
The embodiment of the invention also discloses a computer readable storage medium, and a stored computer program enables a processor to execute the image data processing method.
The embodiment of the invention has the following advantages:
the processing scheme of the image data provided by the embodiment of the invention is applied to a video network, wherein the video network can comprise a first terminal, a second terminal, a node server and a storage server cluster, the storage server cluster can comprise a plurality of storage servers which are mutually communicated and connected through a video network protocol, and the node server can be respectively communicated and connected with the first terminal, the second terminal and the storage server cluster.
In the embodiment of the invention, the first terminal responds to the storage operation of the user and sends the data storage request information and the image data to be stored to the node server. The data storage request information may include therein server identification information of a target storage server for storing the image data. The node server may transmit the data storage request information and the image data to the target storage server according to the server identification information. The target storage server stores the image data locally and sends data synchronization request information to other storage servers in the storage server cluster through an internet of things protocol so as to synchronize the image data in the whole storage server cluster. In the embodiment of the invention, any storage server in the storage server cluster receives the image data to be stored, and can trigger other storage servers in the storage server cluster to synchronize the image data, and the image data is synchronized among the storage servers through a video networking protocol in the video networking, so that the storage servers are not required to be accessed to the Ethernet, the efficiency and the safety of image data synchronization are improved, and the network access cost of the storage servers is saved.
Drawings
FIG. 1 is a schematic diagram of a video networking 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 an embodiment of a method for processing image data according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating steps of another embodiment of a method for processing image data according to the present invention;
FIG. 7 is a schematic design diagram of a small file distributed storage method based on a video network according to an embodiment of the present invention;
fig. 8 is a block diagram showing a configuration of a node server in an embodiment of a system for processing image data according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.
The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services such as high-definition video conferences, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mails, personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like into a system platform, 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 techniques applied by the video network are as follows:
network Technology (Network Technology)
Network technology innovation in video networking has improved the traditional Ethernet (Ethernet) to face the potentially huge first 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, and realizes the seamless connection of a whole network switching type virtual circuit and a 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 memory 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 instantly and directly sent to the user terminal, and the user waiting time 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 on the metro network part can 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 and can also be 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 a dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may interconnect and interwork via metropolitan and wide area video networks.
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: server, exchanger (including Ethernet protocol gateway), terminal (including various set-top box, coding board, memory, 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 server, access exchanger (including Ethernet protocol conversion gateway), terminal (including various set-top boxes, coding board, memory, etc.).
The specific hardware structure of each access network device is as follows:
a node server:
as shown in fig. 2, the network interface module 201, the switching engine module 202, the CPU module 203, and the disk array module 204 are mainly included;
the packets coming from 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 and forwards 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 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 does not go from the downlink network interface to the uplink network interface, the data packet is stored into the queue of the corresponding packet buffer 307 according to the packet guiding information; if the queue of the packet buffer 307 is nearly full, it is discarded.
The switching engine module 303 polls all packet buffer queues and may include 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. 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 (2 byte) and enters the corresponding receiving buffer, otherwise, discards it;
the downlink network interface module 401 detects the sending buffer of the port, if there is a packet, the ethernet MAC DA of the corresponding terminal is known according to the destination address DA of the packet in the video network, the ethernet MAC DA of the terminal, the MAC SA of the ethernet protocol gateway, and the ethernet length or frame type are added, and the packet is sent.
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 byte, 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 the types of different datagrams, 64 bytes if various protocol packets, 32+1024=1056 bytes if single-multicast data packets, and certainly 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 0x0001. 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.
Referring to fig. 5, a flowchart illustrating steps of an embodiment of a method for processing image data according to an embodiment of the present invention is shown, where the method is applied to a video network, and the video network may include a first terminal, a second terminal, a node server and a storage server cluster, where the storage server cluster may include a plurality of storage servers that are communicatively connected to each other through a video network protocol, and the node server may be communicatively connected to the first terminal, the second terminal and the storage server cluster, respectively. The method specifically comprises the following steps:
in step 501, a node server receives data storage request information and image data from a first terminal.
In the embodiment of the present invention, the first terminal may be any terminal in a video network, and the first terminal may be a personal computer, a smart phone, a tablet computer, a set-top box, and the like. The first terminal may generate data storage request information according to a storage operation in response to the storage operation by the user. In practical application, the first terminal may show relevant information of each storage server in the storage server cluster in a form of a list and the like, such as a name, a number, a location, a capacity, and the like of the storage server. The user selects a certain storage server on the first terminal as a target storage server, and selects image data to be stored in the first terminal. The first terminal can acquire the relevant information of the target storage server according to the selection operation of the user and generate the data storage request information according to the relevant information of the target storage server. The data storage request information may include related information of the target storage server, and may include at least server identification information of the target storage server. The server identification information is used to determine a unique storage server. In addition, the data storage request information may also include information related to the image data, such as the name, format, size, capacity, and the like of the image data.
In the embodiment of the invention, after the first terminal generates the data storage request information, the data storage request information and the image data to be stored can be directly sent to the node server. The node server may perform processing of subsequent steps according to the received data storage request information and the image data to be stored.
In the embodiment of the present invention, the node server may be preset with relevant information of the storage server cluster, such as a name, a number, location information, a network address, configuration, a state, a capacity, and the like of each storage server in the storage server cluster. After receiving the data storage request information, the node server may extract the server identification information of the target storage server from the data storage request information. In practical applications, the server identification information may be a number or a network address of the storage server. If the server identification information is the number of the storage server, the node server may query a corresponding network address in the preset related information of the storage server cluster, and then send the data storage request information and the image data to the target storage server according to the network address of the target storage server.
And step 503, the node server receives the data storage response information from the target storage server and returns the data storage response information to the first terminal.
In the embodiment of the present invention, after receiving the data storage request information and the image data, the target storage server may store the image data locally according to the indication of the data storage request information. In practical applications, if the data storage request information further includes a storage path of the image data, the target storage server may store the image data to a position corresponding to the storage path in the data storage request information. If the storage path of the image data is not included in the data storage request information, the target storage server may store the image data to a preset or default location.
In a preferred embodiment of the present invention, after the target storage server receives the data storage request information and the image data, it may be determined whether there is image data to be stored locally. Specifically, the first case is: after receiving the image data, the node server may generate image identification information from the image data, the image identification information being used to determine unique image data. The node server may transmit the image identification information to the target storage server together with the data storage request information and the image data. The target storage server compares the image identification information of the image data to be stored with the image identification information of the locally stored image data one by one, and if the image identification information of the locally stored image data does not contain the image identification information of the image data to be stored, the target storage server indicates that the target storage server does not locally store the image data to be stored; and if the image identification information of the locally stored image data comprises the image identification information of the image data to be stored, the image identification information indicates that the target storage server locally has the image data to be stored. The second case is: after receiving the image data, the target storage server may generate image identification information according to the image data, and then determine whether the image data to be stored already exists locally according to the generated image identification information, and the specific determination process may refer to the relevant description in the first case, which is not described herein again. And after determining that the image data to be stored does not exist locally, the target storage server executes the operation of storing the image data and generates data storage response information.
The target storage server may generate the data storage response information according to an actual operation result after performing the operation of storing the image data. The data storage response information may include storage success information or storage failure information, wherein the storage failure information may further include storage failure reason information. For example, if the storage of the image data fails due to insufficient storage space of the target storage server, the storage failure cause information may be "insufficient storage space". The target storage server can also return the data storage response information to the first terminal so as to display the data storage response information on the first terminal.
In the embodiment of the invention, after the target storage server receives the image data to be stored and stores the image data to be stored, other storage servers in the storage server cluster can be triggered to synchronize the image data to be stored. In practical application, after the target storage server stores the image data, the target storage server may generate data synchronization request information according to the data storage request information, the data image, and the image identification information of the data image, and send the data synchronization request information to other storage servers in the storage server cluster through the video networking protocol. Other storage servers may synchronously store image data according to the data synchronization request information. The data synchronization request information may carry at least image identification information. After receiving the data synchronization request information, the other storage servers may determine whether image data to be stored synchronously exists locally according to the image identification information and the image identification information of the locally stored image data. The specific determination process may refer to the target storage server to determine whether the content of the image data to be stored exists locally, which is not described herein again. The other storage servers may synchronously store the image data after determining that the image data to be synchronously stored does not exist locally. So far, each storage server in the storage server cluster stores the image data sent by the first terminal.
In a preferred embodiment of the present invention, after the other storage servers synchronously store the image data to be synchronously stored, the other storage servers may generate data synchronization response information according to an actual operation result. The data synchronization response information may include synchronization success information or synchronization failure information, wherein the synchronization failure information may further include synchronization failure cause information. For example, if the synchronous storage of the image data fails due to insufficient storage space of other storage servers, the synchronization failure cause information may be "insufficient storage space". And other storage servers can return the data synchronization response information to the target storage server, so that the target storage server can summarize the data synchronization response information of other storage servers and send the summarized data synchronization response information to the node server. The node server can display the summarized data synchronization response information and diagnose the storage server with failed synchronization storage.
Referring to fig. 6, a flowchart illustrating steps of another embodiment of a method for processing image data according to an embodiment of the present invention is shown. The method specifically comprises the following steps:
in step 601, the node server receives data access request information from the second terminal.
In the embodiment of the present invention, the second terminal may be any terminal in a video network, and the second terminal may be a personal computer, a smart phone, a tablet computer, a set-top box, and the like. The second terminal may respond to an access operation of the user and generate data access request information according to the access operation. In practical applications, the second terminal may present the related information of the image data to be accessed, such as the name, number, introduction, date, time, author, etc. of the image data in the form of a list or the like. The user selects certain image data as target image data on the second terminal. The second terminal generates data access request information in response to a selection operation by the user. The data access request information may include location information of the second terminal in addition to identification information of the target image data. The location information of the second terminal may be latitude and longitude information, administrative region information, geographical location information, and the like.
After receiving the data access request information of the second terminal, the node server may determine a target access server according to the data access request information and preset location information of each storage server. The target access server may be a storage server closer to the second terminal. Therefore, the node server can calculate the distance between the second terminal and each storage server according to the position information in the data access request information and the preset position information of each storage server. In general, the node server determines the storage server closest to the second terminal as the target access server. The data transmission speed between the second terminal and the target access server is greater than the data transmission speed between the second terminal and other storage servers.
The node server, after determining the target access server, may send the data access request information to the target access server. The target access server may determine the target image data according to the identification information of the target image data carried in the data access request information, where the target image data is the image data corresponding to the data access request information.
The target access server sends the target image data to the node server, and the node server can forward the target image data to the second terminal so that the second terminal can display the target image data.
Based on the above description of the embodiment of the image data processing method, a distributed storage method for small files based on video networking is introduced below, where the small files in this embodiment may be pictures, small videos, and the like, as shown in fig. 7, a user storage terminal uploads the small files to a target storage server, and when the target storage server monitors that the small files need to be stored, the small files are distributed to storage servers in other areas through a video networking protocol, and the storage servers in other areas store the small files distributed by the target storage server. So far, the storage servers of all the areas store the same small files. If the user access terminal needs to access a certain target small file, the user access terminal can access the target small file from a storage server which is closest to the user access terminal or is local to the user access terminal.
The image data processing method provided by the embodiment of the invention is applied to a video network, wherein the video network can comprise a first terminal, a second terminal, a node server and a storage server cluster, the storage server cluster can comprise a plurality of storage servers which are mutually communicated and connected through a video network protocol, and the node server can be respectively communicated and connected with the first terminal, the second terminal and the storage server cluster.
In the embodiment of the invention, the first terminal responds to the storage operation of the user and sends the data storage request information and the image data to be stored to the node server. The data storage request information may include therein server identification information of a target storage server for storing the image data. The node server may transmit the data storage request information and the image data to the target storage server according to the server identification information. The target storage server stores the image data locally and sends data synchronization request information to other storage servers in the storage server cluster through an internet of things protocol so as to synchronize the image data in the whole storage server cluster. In the embodiment of the invention, any storage server in the storage server cluster can trigger other storage servers in the storage server cluster to synchronize the image data after receiving the image data to be stored, and the image data is synchronized among the storage servers in the video network through the video network protocol without accessing the storage servers to the Ethernet, so that the efficiency and the safety of image data synchronization are improved, and the network access cost of the storage servers is saved.
Moreover, when the terminal needs to access the image data in the storage server, the terminal can access the image data on the local storage server or the storage server with a short distance, so that the network delay is reduced, and the access efficiency of the image data 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.
Referring to fig. 8, a block diagram of a node server in an embodiment of a system for processing image data according to an embodiment of the present invention is shown, where the video network includes a first terminal, a second terminal, a node server and a storage server cluster, the storage server cluster includes a plurality of storage servers communicatively connected to each other through a video network protocol, and the node server is communicatively connected to the first terminal, the second terminal and the storage server cluster, respectively; the node server may include the following modules:
a first receiving module 801, configured to receive data storage request information and image data from the first terminal, where the data storage request information includes server identification information of a target storage server in the storage server cluster; a first sending module 802, configured to send the data storage request information and the image data to the target storage server according to the server identification information; the target storage server is used for storing the image data to the local and sending data synchronization request information to other storage servers in the storage server cluster through the video networking protocol, so that the other storage servers can store the image data synchronously according to the data synchronization request information.
In a preferred embodiment of the present invention, the node server further includes: a generating module 803, configured to generate image identification information for the image data after the first receiving module 801 receives the image data, and send the image identification information to the target storage server; the target storage server is further used for judging whether the image data exists locally or not according to the image identification information and the image identification information of the locally stored image data; the data synchronization request information carries the image identification information; and the other storage servers are used for judging whether the image data exists locally or not according to the image identification information and the image identification information of the locally stored image data.
In a preferred embodiment of the present invention, the first receiving module 801 is further configured to receive data storage response information and data synchronization response information from the target storage server after the first sending module 802 sends the data storage request information and the image data to the target storage server according to the server identification information; the data storage response information comprises storage success information or storage failure information, and the storage failure information comprises storage failure reason information; the data synchronization response information comprises synchronization success information or synchronization failure information, and the synchronization failure information comprises synchronization failure reason information.
The node server further comprises: a second receiving module 804, configured to receive data access request information from the second terminal, where the data access request information includes location information of the second terminal; a determining module 805, configured to determine a target access server according to the location information and preset location information of each storage server; a second sending module 806, configured to send the data access request information to the target access server, so that the target access server returns corresponding image data according to the data access request information; a forwarding module 807, configured to send the corresponding image data to the second terminal according to a preset downlink communication link, where the second terminal is configured to display the corresponding image data.
For the embodiment of the processing system of the image data, since it is basically similar to the embodiment of the processing method of the image data, the description is relatively simple, and for relevant points, reference may be made to the partial description of the embodiment of the processing method of the image data.
An embodiment of the present invention further provides a device, including:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform one or more methods of processing image data as described in embodiments of the invention.
Embodiments of the present invention further provide a computer-readable storage medium storing a computer program for causing a processor to execute the method for processing image data according to the embodiments of the present invention.
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 of skill 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 the preferred embodiment and all changes and modifications that fall within the true scope of the embodiments of the present invention.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are 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 a … …" does not exclude the presence of another identical element in a process, method, article, or terminal apparatus that comprises the element.
The present invention provides a method, a system, a device and a computer readable storage medium for processing image data, wherein the method, the system, the device and the computer readable storage medium apply specific examples to explain the principles and embodiments of the present invention, and the descriptions of the above examples are only used to help understand 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. The method for processing the image data is characterized in that the method is applied to a video network, the video network comprises a first terminal, a second terminal, a node server and a storage server cluster, the storage server cluster comprises a plurality of storage servers which are mutually communicated and connected through a video network protocol, and the node server is respectively communicated and connected with the first terminal, the second terminal and the storage server cluster; the method comprises the following steps:
the node server receives data storage request information and image data from the first terminal, wherein the data storage request information comprises server identification information of a target storage server in the storage server cluster;
the node server sends the data storage request information and the image data to the target storage server according to the server identification information;
the target storage server is used for storing the image data to the local and sending data synchronization request information to other storage servers in the storage server cluster through the video networking protocol so that the other storage servers can synchronously store the image data according to the data synchronization request information; after the target storage server stores the image data, the data synchronization request information is generated according to the data storage request information, the image data and the image identification information of the image data so as to trigger other storage servers in the storage server cluster to synchronize the image data;
the image identification information is generated for the image data after the node server receives the image data and is sent to the target storage server.
2. The method for processing image data according to claim 1, wherein after the step of receiving the image data by the node server, the method further comprises:
and the node server generates image identification information for the image data and sends the image identification information to the target storage server.
3. The method for processing image data according to claim 2, wherein the target storage server is further configured to determine whether the image data exists locally according to the image identification information and image identification information of locally stored image data;
the data synchronization request information carries the image identification information;
and the other storage servers are used for judging whether the image data exists locally or not according to the image identification information and the image identification information of the locally stored image data.
4. The method for processing image data according to claim 1, wherein after the step in which the node server transmits the data storage request information and the image data to the target storage server according to the server identification information, the method further comprises:
the node server receives data storage response information and data synchronization response information from the target storage server;
the data storage response information comprises storage success information or storage failure information, and the storage failure information comprises storage failure reason information; the data synchronization response information comprises synchronization success information or synchronization failure information, and the synchronization failure information comprises synchronization failure reason information.
5. The method of processing image data according to any one of claims 1 to 4, characterized in that the method further comprises:
the node server receives data access request information from the second terminal, wherein the data access request information comprises position information of the second terminal;
the node server determines a target access server according to the position information and preset position information of each storage server;
the node server sends the data access request information to the target access server so that the target access server can return corresponding image data according to the data access request information;
and the node server sends the corresponding image data to the second terminal according to a preset downlink communication link, and the second terminal is used for displaying the corresponding image data.
6. The system is characterized in that the system is applied to a video network, the video network comprises a first terminal, a second terminal, a node server and a storage server cluster, the storage server cluster comprises a plurality of storage servers which are mutually communicated and connected through a video network protocol, and the node server is respectively communicated and connected with the first terminal, the second terminal and the storage server cluster; the node server includes:
a first receiving module, configured to receive data storage request information and image data from the first terminal, where the data storage request information includes server identification information of a target storage server in the storage server cluster;
the first sending module is used for sending the data storage request information and the image data to the target storage server according to the server identification information;
the target storage server is used for storing the image data to the local and sending data synchronization request information to other storage servers in the storage server cluster through the video networking protocol so that the other storage servers can synchronously store the image data according to the data synchronization request information; after the target storage server stores the image data, the data synchronization request information is generated according to the data storage request information, the image data and the image identification information of the image data so as to trigger other storage servers in the storage server cluster to synchronize the image data;
and the generating module is used for generating image identification information for the image data after the first receiving module receives the image data and sending the image identification information to the target storage server.
7. The system for processing image data according to claim 6, wherein the node server further comprises:
the generating module is used for generating image identification information for the image data after the first receiving module receives the image data and sending the image identification information to the target storage server;
the target storage server is also used for judging whether the image data exists locally or not according to the image identification information and the image identification information of the locally stored image data;
the data synchronization request information carries the image identification information;
and the other storage servers are used for judging whether the image data exists locally or not according to the image identification information and the image identification information of the locally stored image data.
8. The system for processing image data according to claim 6, wherein the first receiving module is further configured to receive data storage response information and data synchronization response information from the target storage server after the first sending module sends the data storage request information and the image data to the target storage server according to the server identification information;
the data storage response information comprises storage success information or storage failure information, and the storage failure information comprises storage failure reason information; the data synchronization response information comprises synchronization success information or synchronization failure information, and the synchronization failure information comprises synchronization failure reason information;
the node server further comprises:
a second receiving module, configured to receive data access request information from the second terminal, where the data access request information includes location information of the second terminal;
the determining module is used for determining a target access server according to the position information and preset position information of each storage server;
the second sending module is used for sending the data access request information to the target access server so that the target access server can return corresponding image data according to the data access request information;
and the forwarding module is used for sending the corresponding image data to the second terminal according to a preset downlink communication link, and the second terminal is used for displaying the corresponding image data.
9. An apparatus, comprising:
one or more processors; and
one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform a method of processing image data according to one or more of claims 1-5.
10. A computer-readable storage medium storing a computer program for causing a processor to execute the method of processing image data according to any one of claims 1 to 5.
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| CN112506706B (en) * | 2020-12-03 | 2023-08-04 | 北京首钢自动化信息技术有限公司 | Image processing method, device, server and storage medium |
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| CN109587524A (en) * | 2018-10-31 | 2019-04-05 | 视联动力信息技术股份有限公司 | It is a kind of to regard networked resources and device to internet terminal is synchronous |
| CN109660560A (en) * | 2019-01-23 | 2019-04-19 | 视联动力信息技术股份有限公司 | A kind of method of data synchronization and system |
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