CN111818305B - Distributed system, service control method and device - Google Patents
Distributed system, service control method and device Download PDFInfo
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- CN111818305B CN111818305B CN202010656971.7A CN202010656971A CN111818305B CN 111818305 B CN111818305 B CN 111818305B CN 202010656971 A CN202010656971 A CN 202010656971A CN 111818305 B CN111818305 B CN 111818305B
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- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The embodiment of the application provides a distributed system, a service control method and a service control device. In the method, a main node acquires a target service channel number of a target service and a target parameter value of a target operation based on an operation instruction aiming at the target service; determining a target slave node for executing the operation instruction, and determining a target parameter configuration structural body corresponding to a target service; filling a target service channel number and a target parameter value in a configuration field of target operation in a target parameter configuration structure to obtain a filling parameter configuration structure; and generating a control instruction based on the filling parameter configuration structure body, and sending the control instruction to the target slave node. And the target slave node executes target operation on the target service based on the control instruction. By applying the technical scheme provided by the embodiment of the application, the service execution efficiency of the distributed system is improved.
Description
Technical Field
The present application relates to the field of video monitoring technologies, and in particular, to a distributed system, a service control method, and an apparatus.
Background
Currently, a distributed system includes a master node, a plurality of slave nodes, and the slave nodes include an input node and an output node. The master node and the slave nodes perform transmission of commands and data through the network. The operation process of the distributed system is as follows: the slave node is connected to the master node in a registration mode; the master node analyzes and processes the command and data sent by the upper layer client and then respectively sends the command and data to the corresponding slave nodes; and the slave node executes the operation of the corresponding service to realize service control.
When the distributed system realizes control of each service, the master node needs to communicate with each slave node for many times, so that the service execution efficiency of the distributed system is low.
Content of application
An object of the embodiments of the present application is to provide a distributed system, a service control method and a service control device, so as to improve service execution efficiency of the distributed system. The specific technical scheme is as follows:
in a first aspect, an embodiment of the present application provides a service control method based on a distributed system, which is applied to a master node of the distributed system, where the distributed system further includes a plurality of slave nodes; the method comprises the following steps:
acquiring a target service channel number of a target service and a target parameter value of a target operation to be executed on the target service based on an operation instruction aiming at the target service;
determining a target slave node for executing the operation instruction from the plurality of slave nodes;
determining a target parameter configuration structure corresponding to the target service according to a pre-stored corresponding relation between the service and the parameter configuration structure, wherein the parameter configuration structure comprises configuration fields of various operations;
filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure;
and generating a control instruction based on the filling parameter configuration structure, and sending the control instruction to the target slave node, so that the target slave node executes the target operation on the target service based on the target service channel number and the target parameter value included in the control instruction.
Optionally, the number of the target slave nodes is multiple;
the step of filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filled parameter configuration structure includes:
determining a parameter value corresponding to each target slave node in the target parameter values based on the layout of the target service;
for each target slave node, filling the target service channel number and the parameter value corresponding to the target slave node in the configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure corresponding to the target slave node;
the step of generating a control command based on the filling parameter configuration structure includes:
and generating a control command corresponding to each target slave node based on the filling parameter configuration structure corresponding to each target slave node.
Optionally, the number of the target services is multiple;
the step of filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filled parameter configuration structure includes:
and filling a target service channel number of each target service and a target parameter value of the target operation corresponding to each target service in a configuration field of the target operation corresponding to each target service in the target parameter configuration structure to obtain a filling parameter configuration structure.
Optionally, the target operation is multiple;
the step of filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filled parameter configuration structure includes:
and filling the target service channel number and the target parameter value of the target operation in the configuration field of each target operation in the target parameter configuration structure to obtain a filling parameter configuration structure.
In a second aspect, an embodiment of the present application provides a service control apparatus based on a distributed system, which is applied to a master node of the distributed system, where the distributed system further includes a plurality of slave nodes; the device comprises:
an obtaining unit, configured to obtain, based on an operation instruction for a target service, a channel number of the target service and a target parameter value of a target operation that needs to be performed on the target service;
a first determination unit configured to determine, from the plurality of slave nodes, a target slave node to execute the operation instruction;
a second determining unit, configured to determine, according to a correspondence between a pre-stored service and a parameter configuration structure, a target parameter configuration structure corresponding to the target service, where the parameter configuration structure includes configuration fields for multiple operations;
a filling unit, configured to fill the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure, so as to obtain a filling parameter configuration structure;
a sending unit, configured to generate a control instruction based on the padding parameter configuration structure, and send the control instruction to the target slave node, so that the target slave node performs the target operation on the target service corresponding to the target service channel number based on the target service channel number and the target parameter value included in the control instruction.
Optionally, the number of the target slave nodes is multiple;
the filling unit is specifically configured to determine a parameter value corresponding to each target slave node in the target parameter values based on the layout of the target service; for each target slave node, filling the target service channel number and the parameter value corresponding to the target slave node in the configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure corresponding to the target slave node;
the sending unit is specifically configured to generate a control instruction corresponding to each target slave node based on the filling parameter configuration structure corresponding to each target slave node.
Optionally, the number of the target services is multiple;
the filling unit is specifically configured to fill, in a configuration field of a target operation corresponding to each target service in the target parameter configuration structure, a target service channel number of each target service and a target parameter value of the target operation corresponding to each target service, so as to obtain a filling parameter configuration structure.
Optionally, the target operation is multiple;
the filling unit is specifically configured to fill the target service channel number and the target parameter value of the target operation in the configuration field of each target operation in the target parameter configuration structure, so as to obtain a filling parameter configuration structure.
In a third aspect, an embodiment of the present application provides a distributed system, where the distributed system includes a master node and multiple slave nodes;
the main node is used for acquiring a target service channel number of a target service and a target parameter value of a target operation to be executed on the target service based on an operation instruction aiming at the target service; determining a target slave node for executing the operation instruction from the plurality of slave nodes; determining a target parameter configuration structure corresponding to the target service according to a pre-stored corresponding relation between the service and the parameter configuration structure, wherein the parameter configuration structure comprises configuration fields of various operations; filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure; generating a control instruction based on the filling parameter configuration structure body, and sending the control instruction to the target slave node;
and the target slave node is used for receiving the control instruction and executing the target operation on the target service based on the target service channel number and the target parameter value included in the control instruction.
In a fourth aspect, an embodiment of the present application provides an electronic device, including a processor, a communication interface, a memory, and a communication bus, where the processor and the communication interface complete communication between the memory and the processor through the communication bus;
a memory for storing a computer program;
and the processor is used for realizing any step of the service control method based on the distributed system when executing the program stored in the memory.
In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements any step of the service control method based on the distributed system.
In a sixth aspect, the present application provides a computer program, which when run on a computer, causes the computer to execute any one of the steps of the service control method based on the distributed system.
The embodiment of the application has the following beneficial effects:
in the technical scheme provided by the embodiment of the application, the main node configures a parameter configuration structure body for each service and assigns a unique service channel number for each service. After the main node obtains the operation instruction for the target service, corresponding target service channel numbers and target parameter values are filled in configuration fields of various operations in a parameter configuration structure corresponding to the target service, a control instruction is further generated, and the target slave node is guided to execute corresponding operations on the target service according to the target service channel numbers and the target parameter values of the target operation included in the control instruction. In the embodiment of the application, the parameter configuration structure is configured for each service, the structure of the control instruction is unified, one service is uniquely identified through the service channel number, the master node can fill the service channel number and the parameter values of various operations to the corresponding parameter configuration structure at one time, and then the service channel number and the parameter values of various operations are issued to the slave node at one time, so that the communication frequency between the master node and the slave node during service processing is reduced, and the service execution efficiency of the distributed system is improved.
Of course, not all advantages described above need to be achieved at the same time in the practice of any one product or method of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a distributed system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a business process of a windowing operation in the related art;
fig. 3 is a schematic flowchart of a service control method based on a distributed system according to an embodiment of the present application;
fig. 4a is a schematic view of a video wall scene provided in the embodiment of the present application;
fig. 4b is another schematic diagram of a video wall scene provided in the embodiment of the present application;
fig. 5 is a schematic diagram of a parameter configuration structure corresponding to a window service according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of an instruction integration process according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a service control apparatus based on a distributed system according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The words appearing in the examples of the present application are explained below.
Distributed system: a system for establishing a connection through a network node. The distributed system comprises a main node and a plurality of slave nodes. Wherein, the master node may also be called as a master server, and the slave nodes include input nodes and output nodes. The distributed system comprises a distributed file system, a distributed assembly control system and the like.
The distributed splicing control system is a distributed video and audio decoding system which is connected through network nodes and can be spliced to form a television wall display device.
Service channel: the traffic channels are different for different services. For window services, the service channel may be a stream channel; for the input service, the service channel may be a coding channel; and the like. The window service may include sub-services such as windowing and window closing, and the input service may include sub-services such as coding format switching and transmission rate adjustment.
Flow channel: the unique channel identifier is used for managing the window stream taking, decoding and displaying processes.
And (3) coding channels: the unique channel identifier is used for managing the video stream taking, encoding and transmission processes.
Window: is a window displaying video.
Currently, as shown in fig. 1, a distributed system includes three devices, namely, a master server 101, an input node 102, and an output node 103. In addition, there may be a plurality of input nodes 102 and a plurality of output nodes 103, and only one input node 102 and one output node 103 are illustrated in fig. 1, which is not limiting. Taking a distributed splicing control system as an example, the master control server 101 is responsible for managing the whole distributed system, the input node 102 is responsible for accessing and coding a video source, the output node 103 is responsible for decoding and displaying, and a television wall, namely a large-screen display system, can be formed by splicing a plurality of output nodes 103. The distributed system can control splicing, overlapping and displaying of windows on the large-screen display system. And the user realizes the layout, storage and switching of scenes through window operation.
The master server 101, the input node 102, the output node 103, the upper layer client 104, and the camera 105 realize transmission of commands and data via a network.
The operation process of the distributed system is as follows: the input node 102 and the output node 103 are connected to the master server 101 in a registered manner; the main control server 101 analyzes and processes the command and data sent by the client 104, and then sends the command and data to the corresponding input node 102 and output node 103 respectively; the input node 102 and the output node 103 perform corresponding operations to control the display of the respective windows in the video wall.
The control flow of each service in the distributed system is described by taking the windowing sub-service as an example, and the flow of executing the windowing sub-service is shown in fig. 2. After receiving a windowing operation instruction sent by a client 104, a main control server 101 analyzes the windowing operation instruction, and then sends a first instruction to an output node 103, wherein the first instruction is used for instructing the output node 103 from which input node 102 a stream needs to be fetched; after receiving the first instruction, the output node 103 sends a first response instruction to the master control server 101, where the first response instruction is used to inform that the master control server 101 receives the first instruction;
then, the master control server 101 sends a second instruction to the output node 103, where the second instruction is used to instruct the output node 103 to open the specific parameter information of the window; after receiving the second instruction, the output node 103 sends a second response instruction to the master server 101, where the second response instruction is used to inform the master server 101 of receiving the second instruction;
then, the main control server 101 performs data integration, and sends a third instruction to the output node 103, where the third instruction is used to instruct the output node 103 to start fetching streams and display a video in an open window; after receiving the third instruction, the output node 103 starts to fetch a stream, displays a video in the opened window, and sends a third response instruction to the main control server 101, where the third response instruction is used to notify the main control server 101 that the third instruction is received.
Based on the above situation, in the related art, when the distributed system implements control over each service, the master node needs to communicate with the slave node multiple times. This makes the service execution of the distributed system inefficient.
To solve the above problem, an embodiment of the present application provides a distributed system, which includes a master node and a plurality of slave nodes, such as a master server 101, an input node 102, and an output node 103 shown in fig. 1.
In the distributed system, a main node acquires a target service channel number of a target service and a target parameter value of a target operation to be executed on the target service based on an operation instruction aiming at the target service; determining a target slave node for executing the operation instruction from a plurality of slave nodes; determining a target parameter configuration structure corresponding to the target service according to a pre-stored corresponding relation between the service and the parameter configuration structure, wherein the parameter configuration structure comprises configuration fields of various operations; filling a target service channel number and a target parameter value in a configuration field of target operation in a target parameter configuration structure to obtain a filling parameter configuration structure; and generating a control instruction based on the filling parameter configuration structure body, and sending the control instruction to the target slave node. And the target slave node executes target operation on the target service based on the target service channel number and the target parameter value included by the control instruction.
In the technical scheme provided by the embodiment of the application, the main node configures a parameter configuration structure body for each service and assigns a unique service channel number for each service. After the main node obtains the operation instruction for the target service, corresponding target service channel numbers and target parameter values are filled in configuration fields of various operations in a parameter configuration structure corresponding to the target service, a control instruction is further generated, and the target slave node is guided to execute corresponding operations on the target service according to the target service channel numbers and the target parameter values of the target operation included in the control instruction. In the embodiment of the application, the parameter configuration structure is configured for each service, the structure of the control instruction is unified, one service is uniquely identified through the service channel number, the master node can fill the service channel number and the parameter values of various operations to the corresponding parameter configuration structure at one time, and then the service channel number and the parameter values corresponding to various operations are issued to the slave node at one time, so that the communication frequency between the master node and the slave node during service processing is reduced, and the service execution efficiency of the distributed system is improved.
Corresponding to the distributed system, the embodiment of the application provides a service control method based on the distributed system. Referring to fig. 3, fig. 3 is a schematic flowchart of a service control method based on a distributed system according to an embodiment of the present application, where the method is applied to a master node of the distributed system, and the distributed system may further include a plurality of slave nodes. The method comprises the following steps.
In this embodiment of the present application, the target service may be one or more, and the target service may be any service processed by a distributed system, such as a window service, an input service, and the like. The target operation may be one or more, and the target operation may be understood as the sub-service. For example, in the window service, the target operation may be a windowing operation, a window closing operation, a source control operation, an audio control operation, and the like.
The operation instruction may be sent to the host node by the user through the upper layer client, or may be an operation instruction for the target service periodically generated by the host node based on the parameter set by the user. For example, if the user sets that 8:00 performs windowing operation of window 1 and 18:00 performs closing operation of window 1, the master node generates operation instruction 1 for window 1 at 8:00 and generates operation instruction 2 for window 1 at 18: 00.
The operation instruction may include a target service channel number of the target service and a target parameter value of a target operation to be performed on the target service. In this case, after the master node obtains the operation instruction, the target service channel number of the target service and the target parameter value of the target operation to be performed on the target service are extracted from the operation instruction.
The operation instruction may not include a target service channel number of the target service and a target parameter value of the target operation to be performed on the target service. In this case, after acquiring the operation instruction, the master node generates a target service channel number of the target service and a target parameter value of a target operation to be performed on the target service based on the service to which the operation instruction is directed and the type of the operation instruction.
For example, when the main node acquires an operation instruction 1 for a window 1, and the type of the operation instruction 1 is windowing, the main node generates a stream channel number and a parameter value of a windowing operation of the window 1.
In the embodiment of the application, a unique service channel number is allocated to each service, the service channel number is used as a unique identifier for configuring and managing the service, and the master node and the slave node can use the service channel number as a basis for service control. For example, the master node configures and manages window parameters according to the stream channel number, and transmits the window parameters to the corresponding output node through network communication, and then the output node performs operations such as stream fetching, decoding, and displaying of the window according to the stream channel number. The window parameters may include a stream channel number and parameter values of the operation, etc.
In an embodiment of the present application, when the master node executes an opening operation of a target service, the master node allocates a target service channel number and binds the target service channel number with the target service. And when the main node executes the closing operation of the target service, the main node recovers the target service channel number bound with the target service. This ensures the reasonable utilization of the service channel number resources and reduces the waste of the service channel number resources.
E.g., window 1 traffic of the target traffic. When the master node executes the opening operation of the window 1, the master node allocates a stream channel number 1 to the window 1, and binds the stream channel number 1 with the window 1. And when the main node executes the closing operation of the window 1, the main node withdraws the stream channel number 1 bound with the window 1.
In the embodiment of the application, after receiving the operation instruction, the master node analyzes and integrates the operation instruction, and further determines the target slave node executing the operation instruction. The target slave node may be one or more.
For example, in the distributed mosaic system, the view is switched from the view of the video wall window shown in fig. 4a to the view of the video wall shown in fig. 4 b. Each solid rectangular box in fig. 4a and 4b represents an output node and each dashed rectangular box represents a window. The dotted rectangular box representing the window and the solid rectangular box representing the output node have an overlapping area, and the output node controls to display the contents of the overlapping area.
Take window 1, window 2 and window 3 in fig. 4a and 4b as examples. For window 1, the target operation to be executed is a window closing operation, and a specific target slave node for executing the window closing operation of window 1 includes an output node a 1; for window 2, the target operation to be executed is a window closing operation, and the specific target slave nodes for executing the window closing operation of window 2 include output nodes a2 and a 3; for the window 3, the target operation that needs to be performed is a windowing operation, and specific target slave nodes that perform the windowing operation of the window 3 include output nodes a1, a2, a3, a4, a5, and a 6.
In the embodiment of the application, the instruction trend of the distributed system during operation is combed by taking the service as a unit, the instruction is integrated, the parameter configuration structure body of each service is determined, and the corresponding relation between the service and the parameter configuration structure body is stored. For example, fig. 5 shows a parameter configuration structure corresponding to a window service, where the parameter configuration structure includes a configuration field for a window closing operation, a configuration field for a window opening operation, a configuration field for a source control operation, and a configuration field for an audio control operation. The parameter values that the configuration field of the window closing operation needs to be filled with include the stream channel number and the like. The parameter values to be filled in the configuration field of the windowing operation include a stream channel number, a decoding display parameter and the like, wherein the decoding display parameter may include a stream fetching parameter, a display block parameter and the like. The parameter values that the configuration field of the source control operation needs to fill include the stream channel number and the source control command, etc. The parameter values to be filled in the configuration field of the audio control operation include a stream channel number, an audio stream taking parameter and the like.
The instruction trend of the distributed system in operation is combed by taking the service as a unit, the instructions are integrated, the dependency relationship between each slave node and the master node is reduced, and the management complexity of the distributed system is reduced.
Based on the corresponding relationship between the pre-stored service and the parameter configuration structure, the master node can determine the target parameter configuration structure corresponding to the target service after obtaining the operation instruction aiming at the target service.
The execution order of steps 302 and 303 is not limited in the embodiments of the present application.
And 304, filling the target service channel number and the target parameter value in a configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure.
In the embodiment of the present application, in order to realize accurate control over each slave node and improve maintainability of the distributed system, the instruction trend during operation of the distributed system may be combed by taking a service as a unit, instructions may be integrated, and the slave nodes may be configured by being integrated as a unit, as shown in fig. 6. Based on the control instruction, the master node can issue the control instructions in batches by taking the slave nodes as units.
In an example, if there are a plurality of target slave nodes, step 304 may specifically be: determining a parameter value corresponding to each target slave node in the target parameter values based on the layout of the target service; and for each target slave node, filling a target service channel number and a parameter value corresponding to the target slave node in a configuration field of target operation in a target parameter configuration structure to obtain a filling parameter configuration structure corresponding to the target slave node. In this case, the master node configures the structure based on the fill parameter corresponding to each target slave node, and generates a control command corresponding to each target slave node.
For example, the target traffic is window 11 traffic, the target operation is a window closing operation, and the master node determines target slave nodes to execute the operation instruction including output nodes b1 and b 2.
The master node determines the parameter value c1 corresponding to the output node b1 and the parameter value c2 corresponding to the output node b2 in the target parameter values based on the layout of the window 11; filling a stream channel number of a window 11 and a parameter value c1 corresponding to an output node b1 in a configuration field of a window closing operation in a target parameter configuration structure body to obtain a filling parameter configuration structure body 1 corresponding to an output node b 1; in the configuration field of the window closing operation in the target parameter configuration structure, the stream channel number of the window 11 and the parameter value c2 corresponding to the output node b2 are filled, and the filled parameter configuration structure 2 corresponding to the output node b2 is obtained. In this case, the master node may configure the structure 1 based on the filling parameters, and generate a control command corresponding to the output node b 1; the structure 2 is arranged based on the filling parameters, and a control command corresponding to the output node b2 is generated.
In another example, if there are a plurality of target services, step 304 may specifically be: and filling a target service channel number of each target service and a target parameter value of the target operation corresponding to each target service in a configuration field of the target operation corresponding to each target service in the target parameter configuration structure to obtain a filling parameter configuration structure. And the target operation corresponding to the target service is the target operation which needs to be executed on the target service.
For example, the target traffic includes window 21 traffic and window 22 traffic. The target operation to be performed on the window 21 is a window closing operation, and the target parameter value of the window closing operation to be performed on the window 21 is the parameter value c 11. The target operation to be performed on the window 22 is a windowing operation, and the target parameter value of the windowing operation to be performed on the window 22 is the parameter value c 12. The master node determines that the target slave node to execute the operation instruction includes the output node b 3.
The main node fills the stream channel number and the parameter value c11 of the window 21 in the configuration field of the window closing operation in the target parameter configuration structure corresponding to the target service, and fills the stream channel number and the parameter value c12 of the window 22 in the configuration field of the window opening operation in the target parameter configuration structure corresponding to the target service, so as to obtain the filling parameter configuration structure 3. In the padding parameter configuration structure 3, the configuration field of the window closing operation includes the stream channel number and the parameter value c11 of the window 21, and the configuration field of the window opening operation includes the stream channel number and the parameter value c12 of the window 22. In this case, the master node generates a control command corresponding to the output node b3 based on the filler parameter configuration structure 3.
In another example, if there are a plurality of target operations, the step 304 may specifically be: and filling the target service channel number and the target parameter value of the target operation in the configuration field of each target operation in the target parameter configuration structure to obtain a filling parameter configuration structure.
For example, the target traffic includes window 31 traffic. The target operations to be performed on the window 31 include a windowing operation and a source control operation, the target parameter value of the windowing operation performed on the window 31 is the parameter value c21, and the target parameter value of the source control operation performed on the window 31 is the parameter value c 22. The master node determines that the target slave node to execute the operation instruction includes the output node b 4.
The master node fills the stream channel number and the parameter value c21 of the window 31 in the configuration field of the windowing operation in the target parameter configuration structure, and fills the stream channel number and the parameter value c22 of the window 31 in the configuration field of the source control operation in the target parameter configuration structure, so as to obtain the filled parameter configuration structure 4 corresponding to the output node b 4. In the padding parameter configuration structure 4, the configuration field of the windowing operation includes the stream channel number and the parameter value c21 of the window 31, and the configuration field of the source control operation includes the stream channel number and the parameter value c22 of the window 31. In this case, the master node generates a control command corresponding to the output node b4 based on the filler parameter configuration structure 4.
In the embodiment of the present application, the number of the target service, the target operation, and the target slave node is not specifically limited.
And 305, generating a control instruction based on the filling parameter configuration structure body, and sending the control instruction to the target slave node, so that the target slave node executes target operation on the target service based on the target service channel number and the target parameter value included in the control instruction.
In the embodiment of the application, after the filling parameter configuration structure is obtained, the master node generates a control instruction based on the filling parameter configuration structure, and sends the control instruction to the target slave node. And the target slave node analyzes the control instruction to obtain a target service channel number and a target parameter value, further determines a target service corresponding to the target service channel number and a target operation corresponding to the target parameter value, and executes the target operation on the target service.
This is illustrated by way of example in step 304. The master node obtains the packing parameter configuration structure 1 corresponding to the output node b1 and the packing parameter configuration structure 2 corresponding to the output node b 2. After that, the master node generates a control command 1 based on the filler parameter configuration structure 1, and transmits the control command 1 to the output node b 1. The master node generates a control command 2 based on the filling parameter configuration structure 2, and transmits the control command 2 to the output node b 2. At this time, the output node b1 performs a window closing operation on the window 11 based on the stream channel number and the parameter value c1 of the window 11 included in the control instruction 1. The output node b2 performs a window closing operation on the window 11 based on the stream channel number of the window 11 included in the control instruction 2 and the parameter value c 2.
For another example, the master node obtains the filling parameter configuration structure 3. After that, the master node generates a control command 3 based on the filling parameter configuration structure 3, and transmits the control command 3 to the output node b 3. The output node b3 performs a window closing operation on the window 21 based on the stream channel number and the parameter value c11 of the window 21 included in the control instruction 3, and performs a window opening operation on the window 22 based on the stream channel number and the parameter value c12 of the window 22 included in the control instruction 3.
In the embodiment of the application, a parameter configuration structure body is configured for each service, and the structure bodies of the control instructions are unified. In addition, a service is uniquely identified by a service channel number. The master node can fill the service channel number and the parameter values of various operations to the corresponding parameter configuration structure body at one time, and then issue the service channel number and the parameter values of various operations to the slave nodes at one time. And analyzing the parameter configuration structure body by the slave node to obtain a corresponding service channel number and an operation parameter value, uniquely determining a service based on the service channel number, and executing the operation corresponding to the parameter value on the service.
In the technical scheme provided by the embodiment of the application, the master node and the slave node need to analyze and integrate the service operation information, and compared with the related technology, the calculation amount of the master node and the slave node is increased. However, the number of times of communication between the master node and the slave node is reduced to one, and the operation efficiency of the device is far higher than the efficiency of communication transmission, so that the service execution efficiency of the distributed system is improved by adopting the technical scheme provided by the embodiment of the application.
In addition, in the technical solution provided in this embodiment, the master node may fill parameter values of multiple services and multiple operations in the same parameter configuration structure, so as to implement batch delivery of parameter information to the slave nodes. The slave nodes process the parameter information in batch, the communication times between the master node and the slave nodes are further reduced to one time, and the service execution efficiency of the distributed system is improved.
In the embodiment of the present application, based on the parameter configuration structure body allocated to each service, the master node may issue all parameter information required by each slave node to the slave nodes at one time. All parameters required by service execution are acquired from the nodes, so that the service execution efficiency of the distributed system is improved, and self-recovery of the nodes based on the acquired parameters can be ensured under the condition of abnormity, so that the reliability and the stability of the distributed system are improved.
Corresponding to the service control method based on the distributed system, the embodiment of the application also provides a service control device based on the distributed system. Referring to fig. 7, fig. 7 is a schematic structural diagram of a service control apparatus based on a distributed system according to an embodiment of the present application. The device is applied to a main node of a distributed system, and the distributed system also comprises a plurality of slave nodes; the apparatus includes an acquisition unit 701, a first determination unit 702, a second determination unit 703, a padding unit 704, and a transmission unit 705.
The acquiring unit 701 is configured to acquire a target service channel number of a target service and a target parameter value of a target operation that needs to be performed on the target service, based on an operation instruction for the target service;
a first determination unit 702 configured to determine, from among a plurality of slave nodes, a target slave node to execute an operation instruction;
a second determining unit 703, configured to determine, according to a correspondence between a pre-stored service and a parameter configuration structure, a target parameter configuration structure corresponding to the target service, where the parameter configuration structure includes configuration fields of multiple operations;
a filling unit 704, configured to fill the target service channel number and the target parameter value in a configuration field of the target operation in the target parameter configuration structure, to obtain a filling parameter configuration structure;
a sending unit 705, configured to generate a control instruction based on the padding parameter configuration structure, and send the control instruction to the target slave node, so that the target slave node performs a target operation on the target service based on the target service channel number and the target parameter value included in the control instruction.
In an alternative embodiment, the target slave node may be multiple;
the filling unit 704 may be specifically configured to determine, based on the layout of the target service, a parameter value corresponding to each target slave node in the target parameter values; for each target slave node, filling a target service channel number and a parameter value corresponding to the target slave node in a configuration field of target operation in a target parameter configuration structure to obtain a filling parameter configuration structure corresponding to the target slave node;
the sending unit 705 may be specifically configured to generate a control command corresponding to each target slave node based on the filling parameter configuration structure corresponding to each target slave node.
In an alternative embodiment, the target service may be multiple;
the filling unit 704 may be specifically configured to fill, in a configuration field of a target operation corresponding to each target service in the target parameter configuration structure, a target service channel number of each target service and a target parameter value of the target operation corresponding to each target service, so as to obtain a filling parameter configuration structure.
In an alternative embodiment, the target operation may be plural;
the filling unit 704 may be specifically configured to fill the target service channel number and the target parameter value of the target operation in the configuration field of each target operation in the target parameter configuration structure, so as to obtain a filling parameter configuration structure.
In the service control apparatus based on the distributed system provided in the embodiment of the present application, a parameter configuration structure is configured for each service, a structure of a control instruction is unified, and a service is uniquely identified by a service channel number, and a master node can once fill the service channel number and parameter values of various operations into the corresponding parameter configuration structure, and then once issue the service channel number and the parameter values of various operations to a slave node, thereby reducing the number of communications between the master node and the slave node during service processing, and improving the service execution efficiency of the distributed system.
Corresponding to the service control method based on the distributed system, an embodiment of the present application further provides an electronic device, as shown in fig. 8, including a processor 801, a communication interface 802, a memory 803, and a communication bus 804, where the processor 801, the communication interface 802, and the memory 803 complete mutual communication through the communication bus 804;
a memory 803 for storing a computer program;
the processor 801 is configured to implement any one of the steps of the service control method based on the distributed system when executing the program stored in the memory 803.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the electronic equipment and other equipment.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
Corresponding to the service control method based on the distributed system, in another embodiment provided by the present application, a computer-readable storage medium is further provided, in which a computer program is stored, and the computer program, when executed by a processor, implements any step of the service control method based on the distributed system.
Corresponding to the service control method based on the distributed system, in another embodiment provided by the present application, a computer program product is further provided, which, when running on a computer, causes the computer to execute any step of the service control method based on the distributed system.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is 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 apparatus 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 apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the system, apparatus, electronic device, computer-readable storage medium, and computer program product embodiments are described with relative simplicity as they are substantially similar to the method embodiments, and reference may be made to some of the descriptions of the method embodiments for their related aspects.
The above description is only for the preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (11)
1. A service control method based on a distributed system is characterized in that the service control method is applied to a main node of the distributed system, and the distributed system also comprises a plurality of slave nodes; the method comprises the following steps:
acquiring a target service channel number of a target service and a target parameter value of a target operation to be executed on the target service based on an operation instruction aiming at the target service;
determining a target slave node for executing the operation instruction from the plurality of slave nodes;
determining a target parameter configuration structure corresponding to the target service according to a pre-stored corresponding relation between the service and the parameter configuration structure, wherein the parameter configuration structure comprises configuration fields of various operations;
filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure;
and generating a control instruction based on the filling parameter configuration structure, and sending the control instruction to the target slave node, so that the target slave node executes the target operation on the target service based on the target service channel number and the target parameter value included in the control instruction.
2. The method of claim 1, wherein the target slave node is plural;
the step of filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filled parameter configuration structure includes:
determining a parameter value corresponding to each target slave node in the target parameter values based on the layout of the target service;
for each target slave node, filling the target service channel number and the parameter value corresponding to the target slave node in the configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure corresponding to the target slave node;
the step of generating a control command based on the filling parameter configuration structure includes:
and generating a control command corresponding to each target slave node based on the filling parameter configuration structure corresponding to each target slave node.
3. The method of claim 1, wherein the target service is plural;
the step of filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filled parameter configuration structure includes:
and filling a target service channel number of each target service and a target parameter value of the target operation corresponding to each target service in a configuration field of the target operation corresponding to each target service in the target parameter configuration structure to obtain a filling parameter configuration structure.
4. The method of claim 1, wherein the target operation is plural;
the step of filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filled parameter configuration structure includes:
and filling the target service channel number and the target parameter value of the target operation in the configuration field of each target operation in the target parameter configuration structure to obtain a filling parameter configuration structure.
5. The service control device based on the distributed system is characterized in that the service control device is applied to a main node of the distributed system, and the distributed system also comprises a plurality of slave nodes; the device comprises:
an obtaining unit, configured to obtain, based on an operation instruction for a target service, a channel number of the target service and a target parameter value of a target operation that needs to be performed on the target service;
a first determination unit configured to determine, from the plurality of slave nodes, a target slave node to execute the operation instruction;
a second determining unit, configured to determine, according to a correspondence between a pre-stored service and a parameter configuration structure, a target parameter configuration structure corresponding to the target service, where the parameter configuration structure includes configuration fields for multiple operations;
a filling unit, configured to fill the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure, so as to obtain a filling parameter configuration structure;
a sending unit, configured to generate a control instruction based on the padding parameter configuration structure, and send the control instruction to the target slave node, so that the target slave node performs the target operation on the target service corresponding to the target service channel number based on the target service channel number and the target parameter value included in the control instruction.
6. The apparatus of claim 5, wherein the target slave node is plural;
the filling unit is specifically configured to determine a parameter value corresponding to each target slave node in the target parameter values based on the layout of the target service; for each target slave node, filling the target service channel number and the parameter value corresponding to the target slave node in the configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure corresponding to the target slave node;
the sending unit is specifically configured to generate a control instruction corresponding to each target slave node based on the filling parameter configuration structure corresponding to each target slave node.
7. The apparatus of claim 5, wherein the target service is plural;
the filling unit is specifically configured to fill, in a configuration field of a target operation corresponding to each target service in the target parameter configuration structure, a target service channel number of each target service and a target parameter value of the target operation corresponding to each target service, so as to obtain a filling parameter configuration structure.
8. The apparatus of claim 5, wherein the target operation is plural;
the filling unit is specifically configured to fill the target service channel number and the target parameter value of the target operation in the configuration field of each target operation in the target parameter configuration structure, so as to obtain a filling parameter configuration structure.
9. A distributed system, comprising a master node and a plurality of slave nodes;
the main node is used for acquiring a target service channel number of a target service and a target parameter value of a target operation to be executed on the target service based on an operation instruction aiming at the target service; determining a target slave node for executing the operation instruction from the plurality of slave nodes; determining a target parameter configuration structure corresponding to the target service according to a pre-stored corresponding relation between the service and the parameter configuration structure, wherein the parameter configuration structure comprises configuration fields of various operations; filling the target service channel number and the target parameter value in the configuration field of the target operation in the target parameter configuration structure to obtain a filling parameter configuration structure; generating a control instruction based on the filling parameter configuration structure body, and sending the control instruction to the target slave node;
and the target slave node is used for receiving the control instruction and executing the target operation on the target service based on the target service channel number and the target parameter value included in the control instruction.
10. An electronic device is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing mutual communication by the memory through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps of any of claims 1 to 4 when executing a program stored in the memory.
11. A computer-readable storage medium, characterized in that a computer program is stored in the computer-readable storage medium, which computer program, when being executed by a processor, carries out the method steps of any one of claims 1 to 4.
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