CN104579766B - A kind of more application layer webmaster concurrent access methods and device - Google Patents

Abstract

The embodiment of the present application discloses a multi-application layer network management concurrent access method and device. Simultaneously monitor multiple local-end network management processes in the form of I/O multiplexing. When receiving a connection request from the local-end network management process, establish communication with the local-end network management process, and start receiving data when the central-side network management process sends data. process, so there will be no communication blockage, fast response and high efficiency, and realize concurrent access of the local network management process. At the same time, class encapsulation is performed on the data transmitted between the central network management process and the local access layer process, and the concurrent transmission data of multiple local network management processes is uniformly processed to avoid conflicts and errors due to inconsistent processing processes during concurrent access. .

Description

A multi-application layer network management concurrent access method and device

technical field

The invention relates to the field of network technology, in particular to a multi-application layer network management concurrent access method and device.

Background technique

MOCA (Multimedia Over Coax Alliance, Multimedia Over Coax Alliance) is a standard for connecting home network devices and consumer electronics devices by using existing coaxial cables in the home. MOCA access network equipment includes MOCA central office equipment and MOCA terminal equipment. The function of MOCA central office equipment is to mix network signals and TV signals, transmit them to MOCA terminals through the coaxial port, and configure and manage the terminals. The input of MOCA central equipment includes the network signal transmitted in the network cable and the TV signal in the coaxial cable (the TV signal can be sent by the optical receiver through the coaxial cable), etc., and its output is the radio frequency signal transmitted by the coaxial cable. The MOCA terminal equipment analyzes the signal input by the coaxial cable, for example, the TV signal is transmitted to the TV through the coaxial cable, and the data signal and the voice signal are transmitted to the computer and the telephone respectively through the network cable. One central office device can manage multiple terminal devices.

Among them, according to the needs of the application, the central office device will involve a variety of network management, including: the central office WEB network management, based on the HTTP protocol (Hypertext transfer protocol, hypertext transfer protocol) to receive the browser's request and respond, according to the browser request to the central office The end daemon process sends corresponding requests; the local end SNMP network management, based on the SNMP protocol (Simple Network Management Protocol, simple network management protocol), is responsible for implementing all nodes specified in the national standard MIB library (Management Information Base, management information base), collecting EOC (Ethernet over Coax , based on coaxial cable Ethernet transmission) equipment information, and exchange information with the front-end network management system NMS (Network Management System, network management system); the TOOLING network management at the local end receives and responds to TOOLING software requests, and is mainly used for factory production. Device programming Flash, printing nameplate, etc. The installed network management system belongs to the application layer of the central office equipment. For these network management systems, various management approaches (SNMP/WEB/TOOLING) need to be provided in the software architecture of the central office equipment to manage them.

However, the software architecture of the current central office equipment cannot handle concurrent access from multiple network management systems. It can only process requests and information from each network management system one by one in a serial manner. It is difficult to solve the synchronization problem of shared resources, and often there is no configuration data. The cache mechanism needs to call the underlying interface to obtain configuration information, and the response speed is slow.

Contents of the invention

In order to overcome the problem of inability to handle concurrent access of multiple network managers in the related art, the present application provides a method and device for concurrent access of multi-application layer network managers.

According to the first aspect of the embodiment of the present application, a multi-application layer network management concurrent access method is provided, including:

Each central office network management process respectively obtains the first socket, and initiates a connection request to the central office access layer process;

The central access layer process polls the readable state of the central access layer process socket, and after obtaining the connection request of the central office network management process according to the readable state of the central office access layer process socket, obtains the connection request with the central office network management process. The second socket for communication establishes communication connections between the central office access layer process and each central office network management process;

The local network management process encapsulates the data to be sent into a first structure, and sends the first structure to the local access layer process;

After the central access layer process receives the first structure, it parses the data sent by the central network management process according to the first structure and transmits it to the corresponding function interface for processing, and encapsulates the data returned by the function interface into a second structure body, and send the second structure body to the local end network management process, the encapsulation method of the first structure body and the second structure body is the same;

After the local network management process receives the second structure, it parses the second structure to obtain the data through the function interface;

After the communication between the network management process at the local end and the access layer process at the local end is completed, the network management process at the local end and the access layer process at the local end respectively close their corresponding sockets.

Optionally, the sockets of the local network management process and the local access layer process are UNIX domain byte stream sockets.

Optionally, the local network management process encapsulates the data to be sent into a first structure, including:

In the local network management process, a first variable used to represent the network management type, a second variable used to represent the operation type, a third variable used to represent the resource type, and a fourth variable used to represent the resource identifier are pre-defined,

The local end network management process will use the first variable, the second variable, the third variable and the fourth variable to represent the data that needs to be sent, and will use the first variable, the second variable, the third variable and the fourth variable to represent the data. The data of is encapsulated into the first structure.

Optionally, after the central office access layer process receives the first structure, it parses the data sent by the central office network management process according to the first structure and transmits it to the corresponding function interface for processing, and encapsulates the data returned by the function interface is the second structure, including:

In the local access layer process, the first variable used to represent the network management type, the second variable used to represent the operation type, the third variable used to represent the resource type, and the fourth variable used to represent the resource identifier are predefined,

After receiving the first structure, the local access layer process parses out the first variable, the second variable, the third variable and the fourth variable according to the first structure, and converts the first variable, the second The variable, the third variable and the fourth variable are transmitted to the corresponding function interface for processing, the data returned by the function interface is received, and the data returned by the function interface is packaged according to the first variable, the second variable, the third variable and the fourth variable as Second structure.

Optionally, the multi-application layer network management concurrent access method also includes:

The socket communication interface is respectively defined in the local end access layer process and the local end network management process, and the socket communication interface includes a first interface for initializing the socket, a second interface for sending data, and a second interface for receiving a third interface for data and a fourth interface for closing the socket,

After the local end network management process obtains the first socket, it calls the first interface of the local end network management process to initialize the first socket, and the local end access layer process calls the local end access layer process socket after obtaining the local end access layer process socket. The first interface of the central office access layer initializes the central office access layer process socket,

The local end network management process calls the second interface of the local end network management process to send the first structure to the local end access layer process,

The central access layer process calls the third interface of the central access layer process to receive the first structure, and calls the second interface of the central access layer process to send the second structure to the central network management process,

The local network management process calls the third interface of the local network management process to receive the second structure,

After the communication between the local network management process and the local access layer process is completed, the local network management process and the local access layer process call their respective fourth interfaces to close their own sockets.

Optionally, the establishment of the communication between the local end access layer process and the local end network management process, at one end of the local end access layer process, includes:

Step a1, obtaining the access layer process socket descriptor at the central office;

Step a2, monitoring the connection request of the central office network management process, and adding the socket description of the central office access layer process into the descriptor set;

Step a3, query the state of the descriptor set, and determine whether there is a change in the state of the descriptor set;

Step a4, if there is a change in the state of the descriptor set, traverse the states of all descriptors to determine whether there is a descriptor whose state has changed, otherwise, return to step a3;

Step a5: If there is a descriptor whose state has changed, determine whether the descriptor whose state has changed is equal to the socket descriptor of the central access layer process;

Step a6, if the descriptor whose status changes is equal to the socket descriptor, there is a connection request of the central office network management process, accept the connection request of the central office network management process, and obtain the second set of communication with the central office network management process Connect, establish communication with the central office network management process, add the descriptors communicated with the central office network management process to the descriptor set, return to step a3, otherwise, the central office access layer process enters the process of receiving data sent by the central office network management process .

Corresponding to the first aspect of the embodiment of the present application, according to the second aspect of the embodiment of the present application, a multi-application layer network management concurrent access device is provided, including:

The local end network management process connection module is used to respectively obtain the first socket in each local end network management process, and initiate a connection request to the central end access layer process;

The local end access layer process connection module is used to poll the readable state of the central end access layer process socket in the central end access layer process, and obtain the central end network management process according to the readable state of the central end access layer process socket After the connection request of the local end network management process, obtain the second socket for communicating with the local end network management process, and establish the communication connection between the local end access layer process and each local end network management process;

The central network management process data processing module is used to encapsulate the data to be sent into a first structure;

The local network management process data sending module is used to send the first structure to the local access layer process;

The central access layer process data receiving module is configured to receive the first structure in the central access layer process;

The local end access layer process data processing module is used to analyze the data sent by the central office network management process according to the first structure and transmit it to the corresponding function interface for processing. The data returned by the receiving function interface is encapsulated into a second structure, the first The encapsulation methods of the structure and the second structure are the same;

The central office access layer process data sending module, configured to send the second structure to the central office network management process;

The local network management process data receiving module is used to receive the second structure, and parse the second structure to obtain the data through the function interface;

The local end network management process communication closing module is used to close the socket corresponding to itself after the communication with the local end access layer process is completed;

The local end access layer process communication closing module is used to close its corresponding socket after the communication with the local end network management process is completed.

Optionally, the sockets of the local network management process and the local access layer process are UNIX domain byte stream sockets.

Optionally, the local end network management process data processing module includes:

The first variable definition sub-module is used to predefine the first variable used to represent the network management type, the second variable used to represent the operation type, the third variable used to represent the resource type and the resource type in the local network management process. identifies the fourth variable,

The first data encapsulation sub-module is used to use the first variable, the second variable, the third variable and the fourth variable to represent the data that needs to be sent in the local network management process, and the first variable and the second variable will be used , the data represented by the third variable and the fourth variable are encapsulated into the first structure.

Optionally, the local access layer process data processing module includes:

The second variable definition sub-module is used to predefine the first variable used to represent the network management type, the second variable used to represent the operation type, the third variable used to represent the resource type and the The fourth variable of the resource identifier,

The first parsing submodule is configured to parse out the first variable, the second variable, the third variable and the fourth variable according to the first structure after the local access layer process receives the first structure,

a transmission sub-module, configured to transmit the first variable, the second variable, the third variable and the fourth variable to corresponding function interfaces for processing;

The return data receiving submodule is used to receive the data returned by the function interface;

The second encapsulation sub-module is used for encapsulating the data returned by the function interface into a second structure according to the first variable, the second variable, the third variable and the fourth variable.

Optionally, the multi-application layer network management concurrent access device also includes:

The first socket interface definition module is used to define the socket communication interface in the central office access layer process;

The second socket interface definition module is used to define the socket communication interface in the central office network management process;

Wherein, the socket communication interface includes a first interface for initializing the socket, a second interface for sending data, a third interface for receiving data, and a fourth interface for closing the socket,

After the local end network management process obtains the first socket, it calls the first interface of the local end network management process to initialize the first socket, and the local end access layer process calls the local end access layer process socket after obtaining the local end access layer process socket. The first interface of the central office access layer initializes the central office access layer process socket,

The local end network management process data sending module calls its second interface to send the first structure to the local end access layer process, and the local end network management process data receiving module calls its own third interface to receive the second structure,

The local end access layer process data receiving module calls its own third interface to receive the first structure, and calls its own second interface to send the second structure to the local end network management process,

The local end network management process communication closing module and the local end access layer process communication closing module respectively call their respective fourth interfaces to close their own sockets.

Optionally, the local access layer process connection module includes:

The socket descriptor acquisition submodule is used to obtain the socket descriptor of the access layer process at the central office;

The monitoring sub-module is used to monitor the connection request of the central office network management process, and add the socket description of the central office access layer process into the descriptor set;

The descriptor set state query submodule is used to query the state of the descriptor set and determine whether there is a change in the state of the descriptor set;

The descriptor state query sub-module is used for traversing the states of all descriptors if the state of the descriptor set changes, and judging whether there is a descriptor whose state has changed, otherwise, returning to the descriptor set state query module;

The descriptor judging submodule is used to judge whether the descriptor whose state changes is equal to the socket descriptor of the central access layer process if there is a descriptor whose state changes;

The communication connection establishment sub-module is used to accept the connection request of the central network management process if the descriptor whose state changes is equal to the socket descriptor of the central office access layer process, and obtain the first communication process with the central office network management process. Two sockets, establish communication with the central office network management process, add the descriptors communicated with the central office network management process to the descriptor set, and return the descriptor set status query submodule, otherwise, the central office access layer process enters the receiving central office The process of data sent by the network management process.

The technical solution provided by the embodiment of the present application may include the following beneficial effects: simultaneously monitor a plurality of central office network management processes in the form of I/O multiplexing, and establish a connection with the central office network management process when receiving a connection request from the central office network management process Communication, when the local network management process sends data, it starts to receive data, so there will be no communication blockage, fast response, high efficiency, and concurrent access to the local network management process. At the same time, the data transmitted between the central network management process and the local access layer process is encapsulated in a structure, and the concurrent transmission data of multiple local end network management processes is uniformly processed, and the local network management process and the local access layer can also be processed. The process abstracts the interface to avoid conflicts and errors due to inconsistent processing during concurrent access.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings without paying creative labor.

Fig. 1 is a schematic flowchart of a method for concurrent access by multi-application layer network management according to an exemplary embodiment of the present application.

Fig. 2 is a schematic flowchart of a method for concurrent access by multi-application layer network management according to another exemplary embodiment of the present application.

Fig. 3 is a block diagram of a multi-application layer network management concurrent access device shown in an exemplary embodiment of the present application.

Fig. 4 is a block diagram of a multi-application layer network management concurrent access device shown in another exemplary embodiment of the present application.

detailed description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

In the following detailed description, numerous specific details are set forth in order to provide a comprehensive understanding of the application, but those skilled in the art will understand that the application may be practiced without these specific details. In other embodiments, well-known methods, procedures, components and circuits have not been described in detail so as not to unnecessarily obscure the embodiments.

According to the first aspect of the embodiments of the present application, a method for concurrent access by multi-application layer network management is provided. Fig. 1 is a schematic flowchart of a multi-application layer network management concurrent access method shown in an exemplary embodiment of the present application. In Fig. 1 , the dotted line indicates the transmission direction of data information. As shown in Figure 1, the method includes:

In step S101, each network management process at the central office obtains the first socket respectively, and initiates a connection request to the access layer process at the central office.

Among them, in order to facilitate the design and maintenance of the central office program, the central office software architecture is divided into the central office access layer, the central office business software layer, the central office SDK software layer and the central office operating system layer from top to bottom. The local end operating system layer is the operating system platform, such as a LINUX-based operating system platform; the central end SDK software layer is used to encapsulate the central end SDK. When the SDK changes, only the SDK layer needs to be modified, and the application code of the upper layer does not need to be changed; The central office service software layer invokes the SDK interface to perform business configuration and store the service configuration; the central office access layer is used for communication and data transmission with various central Data encapsulation and interface abstraction are performed for the access of various central office network management. After the central office software architecture is divided into layers, the concurrent access of various central office network managements will be mainly solved by the central office access layer. The central office access layer establishes communication channels with various central office network The communication between the end access layer and various central office network managements is carried out by the central office access layer process and various central office network management processes. The central office access layer receives the data from the central office network management, analyzes it, and then transmits it to the central office service software layer, and completes the difference processing of the central office network management types in the central office access layer, so that the central office service software layer does not need to consider the central office service software layer. The type of network management only needs to perform business processing, so that it can better support the access of various central office network management.

When each local network management process needs to establish a communication connection with the central office access layer, it respectively obtains the first socket and initiates a connection request to the central office access layer process. The local end network management process obtains the first socket and initiates a connection request to the central end access layer process using a conventional method, for example, for a LINUX-based operating system (the following is an example based on a LINUX-based operating system), call socket() To obtain the socket descriptor, that is, obtain the first socket, and call connect() to initiate a connection request to the central office access layer to start communicating with the central office access layer.

Step S102, the central office access layer process polls the readable state of the central office access layer process socket, after obtaining the connection request of the central office network management process according to the readable state of the central office access layer process socket, obtains the connection request with the central office The second socket used by the network management process for communication establishes communication connections between the central office access layer process and each central office network management process.

Wherein, specifically, step S102 may include:

In step a1, the central office access layer obtains the central office access layer process socket and its descriptor, and initializes the corresponding central office access layer process socket. Under the LINUX-based operating system, socket() can be called to obtain the central office The access layer process socket descriptor, the central office access layer process socket file path is bound to the central office access layer process socket descriptor;

Step a2, monitor the connection request of the central office network management process, add the central office access layer process socket descriptor into the descriptor set, call listen() under the LINUX-based operating system, and can monitor the central office network management process Connection request, the descriptor set is used to store socket descriptors;

Step a3, query the state of the descriptor set, and determine whether the state of the descriptor set has changed. Usually, the descriptor set is assigned to a temporary descriptor set, and the select() function is used to query the temporary descriptor under the LINUX-based operating system The state of the descriptor set is judged by the return value of select() to determine whether the state of the descriptor set has changed. If the return value of select() is greater than 0, it indicates that the state of the descriptor set has changed;

Step a4, if there is a change in the state of the descriptor set, traverse the states of all descriptors, and determine whether there is a descriptor whose state has changed, otherwise, return to step a3, and continue to query the state of the descriptor set;

Step a5: If there is a descriptor whose status has changed, determine whether the descriptor whose status has changed is equal to the socket descriptor of the central access layer process, that is, equal to the process socket of the central access layer obtained by the central access layer Descriptor;

Step a6, if the descriptor whose state changes is equal to the socket descriptor of the central office access layer process, then there is a central office network management process connection request, accept the central office network management process connection request, and obtain a connection request with the central office network management process The communication socket and its descriptor, that is, the second socket and its descriptor. Under the LINUX-based operating system, the socket descriptor for communicating with the local network management process can be obtained using the accept() function, and the socket descriptor for communicating with the local network management process is obtained to establish a connection with the local network management process. For the communication of the end network management process, add the socket descriptor communicating with the local end network management process into the descriptor set, return to step a3, and continue to query the state of the descriptor set to check whether there are other connection requests of the central end network management process. If the currently traversed descriptor whose state has changed is not equal to the socket descriptor of the central office access layer process obtained by the central office access layer, the central office access layer process enters the process of receiving data sent by the central office network management process.

Wherein, the central office access layer process polls the change of the central office access layer process socket state, and after receiving the connection request of the central office network management process, establishes the communication connection between the central office access layer process and each central office network management process, Simultaneously monitor multiple central network management processes in the form of I/O multiplexing. When receiving a connection request from the local network management process, establish communication with the local network management process. When the central network management process sends data (that is, the traversed When the readable descriptor is not equal to the socket descriptor obtained by the access layer of the central office), the process of receiving data will start again, so there will be no communication blocking, fast response and high efficiency, making the network management process of the central office Concurrent access is possible.

Step S103, the central office network management process encapsulates the data to be sent into a first structure, and sends the first structure to the central office access layer process.

Step S104, after the central office access layer process receives the first structure, it parses out the data sent by the central office network management process according to the first structure and transmits it to the corresponding function interface for processing, and encapsulates the data returned by the function interface as the second structure, and send the second structure to the network management process of the local end. The encapsulation methods of the first structure and the second structure are the same.

In step S105, after receiving the second structure, the central office network management process parses the second structure to obtain the data returned through the function interface.

Among them, when multiple central office network management processes access concurrently, due to the different types of central office network management, the types of resources transmitted and the types of operations involved are different. Inconsistencies in the processing process will make the data processing process complicated and prone to conflicts and errors. In order to uniformly process the data transmitted concurrently by multiple central network management processes, the data transmitted by the central network management process is encapsulated in a class, that is, data encapsulation for the structure. For the central office network management process, the data to be sent to the central office access layer process is encapsulated into a first structure, and then sent to the central office access layer process. The data that needs to be transmitted by the network management process at the local end can be divided into network management type, operation type, resource type and resource identification. Therefore, the first variable used to represent the network management type and the second variable used to represent the The second variable, the third variable used to represent the resource type, and the fourth variable used to represent the resource identifier, the data that the local network management process will need to send uses the first variable, the second variable, the third variable and the fourth variable to indicate that the data represented by the first variable, the second variable, the third variable and the fourth variable are used as members of the structure and encapsulated into the first structure. For example, define the network management type as moduleType, define various operation types as operType, define the resource type as resType, and define the resource ID as resId. The value of each variable is the specific network type, operation type, resource type and Resource ID. Construct the structure type uAlMsg, which has moduleType, operType, resType and resID as members, and the structure of uALMsg type is the data of the local network management process after encapsulation. When the central office network management process sends data to the central office access layer process, it will directly send the uAlMsg type structure.

Correspondingly, after receiving the first structure, the central office access layer process parses the first structure according to the encapsulation method of the first structure, and parses out the data sent by the central office network management process. In order to analyze the encapsulated data, and subsequently re-encapsulate the data when returning the data to the central office network management process, the central office access layer process can pre-define the first variable used to represent the network management type, and the second variable used to represent the operation type The variable, the third variable used to represent the resource type, and the fourth variable used to represent the resource identifier, the predefined variables and methods are the same as the predefined variables and methods of the local network management process. After the local access layer process receives the first structure, it parses out the first variable, the second variable, the third variable and the fourth variable according to the first structure, for example, the local access layer process receives the After the uALMsg type structure sent by the network management process, extract the moduleType, operType, resType and resID variables in the structure to obtain the network management type, operation type, resource type and resource identification data.

After the local end access layer process parses the first structure to obtain corresponding data, it transmits the parsed data to a function interface for processing each data, and the function interface is an interface for receiving data by a function processing data, for example, the local Data processing functions of the end business software layer, including conventional data filtering functions, etc. That is, the first variable, the second variable, the third variable and the fourth variable obtained by analyzing the first structure are transmitted to the corresponding function interface for processing. The data processed by the function, which needs to be returned, will be returned to the local access layer process by the function interface. After the central office access layer process receives the data returned by the function interface, it encapsulates the data in the same way as the central office network management process encapsulates the data. That is, the data returned by the function interface is encapsulated into a second structure according to the first variable, the second variable, the third variable and the fourth variable. For example, the moduleType, operType, resType, and resID returned by the function interface are repackaged into a second structure of uALMsg type. The local end access layer process then sends the encapsulated second structure to the local end network management process.

Wherein, after the local network management process receives the second structure sent by the local access layer process, it extracts each variable in the second structure and obtains the value of each variable, that is, parses the second structure to obtain the function-processed and Data returned by the functional interface. For example, after receiving the second structure of uALMsg type, the local network management process extracts the moduleType, operType, resType and resID variables in the structure to obtain the network management type and the processed operation type, resource type and resource identification data.

It should be noted that the methods for encapsulating data by the network management process at the local end and the access layer process at the local end are not limited to the above methods, and other conventional data encapsulation methods or custom data encapsulation methods may also be used.

Among them, the network management process of the local end is that after the access layer process of the local end establishes a communication connection, if data needs to be sent, the encapsulated data is sent using a related sending function, for example, using the send() function to send under a LINUX-based operating system . After sending the data, the central office network management process queries whether the obtained socket descriptor, namely the first socket descriptor, is readable. For example, the select() function is used to query whether the first socket descriptor is readable. When select When the return value of () is greater than 0, the first socket descriptor is readable. When the first socket descriptor is readable, it means that the central office access layer process has sent data, and then use the receiving function, such as the recv () function under the LINUX-based operating system to accept the data sent by the local end access layer process data. In order to save system processing resources and prevent the central office network management process from inquiring whether the first socket descriptor is readable to determine whether there is data to be received, the central office network management process inquires twice consecutively about the first socket descriptor When the result of the descriptor is that the first socket descriptor is unreadable, it is considered that the central office access layer process does not return data, and then the first socket of the central office network management process is closed, that is, the connection with the central office access layer is closed. process communication.

Among them, for the central office access layer process, a communication connection is established with the central office network management process, and when entering the process of receiving data, the descriptors traversed that change state are not equal to the central office access layer acquired by the central office access layer. During the process socket descriptor, obtain the readable byte count of the socket (i.e. the second socket) that communicates with the local network management process, if the readable byte count is not 0, it means that there is For the data sent by the corresponding local network management process, use the relevant receiving function to receive the data, for example, use recv() to receive the data sent by the local network management process. When the access layer process at the local end sends data to the network management process at the central end, use a related sending function to send the second structure to the network management process at the central end, for example, use the send() function to send.

If the number of readable bytes obtained for the socket communicating with the central office network management process is 0, it means that the central office network management process has closed its first socket, that is, the connection to the central office access layer process has been canceled. At this time, the central office access layer process also closes the socket currently communicating with the corresponding central office network management process, and removes the corresponding socket descriptor from the descriptor set, ending the communication with the central office network management process.

In step S106, after the communication between the central office network management process and the central office access layer process is completed, the central office network management process and the central office access layer process respectively close their corresponding sockets.

Among them, after the communication between the local network management process and the local access layer process is completed, the local network management process and the local access layer process respectively close their corresponding sockets, that is, the local network management process closes the first set of local network management processes. socket, the central office access layer process closes the central office access layer process socket and the second socket of the central office access layer process, and releases the communication connection between the two.

The above-mentioned sockets involved in the network management process of the central office and the sockets involved in the access process of the central office are preferably UNIX domain byte stream sockets. Compared with commonly used Internet domain sockets, UNIX domain sockets only copy data and do not perform other processing, so they have higher communication efficiency. Compared with UNIX domain datagram sockets, UNIX domain byte stream sockets It is more suitable for the communication between the network management process of the local end and the access layer process of the local end, which has the characteristics of long connection.

Fig. 2 is a schematic flowchart of a method for concurrent access by a multi-application layer network management system according to another exemplary embodiment of the present application. In Fig. 2 , the dotted line indicates the transmission direction of data information. As shown in Figure 2, the method includes:

In step S201, the socket communication interface is respectively defined in the central office access layer process and the central office network management process, and the socket communication interface includes a first interface for initializing the socket, a second interface for sending data, A third interface for receiving data and a fourth interface for closing the socket;

Step S202, in the local end access layer process and the local end network management process respectively define the first variable used to indicate the type of network management, the second variable used to indicate the type of operation, the third variable used to indicate the type of resource and the third variable used to indicate the type of resource the fourth variable identified;

Step S203, each central office network management process respectively obtains the first socket, calls the respective first interface to initialize the respective first socket, and initiates a connection request to the central office access layer process;

Step S204, the central office access layer process obtains the central office access layer process socket, and calls the first interface of the central office access layer process to initialize the central office access layer process socket;

Step S205, the central office access layer inquires about the readable status of the central office access layer process socket, and obtains the connection request with the central office network management process according to the readable status of the central office access layer process socket. The second socket used by the network management process for communication, establishes a communication connection between the central office access layer process and each central office network management process;

Step S206, the local end network management process will use the first variable, the second variable, the third variable and the fourth variable to represent the data that needs to be sent, and will use the first variable, the second variable, the third variable and the fourth variable The data represented by the variable is encapsulated into a first structure, and the second interface is called to send the first structure to the local access layer process;

Step S207, after the local end access layer process calls the third interface and receives the first structure, it parses out the first variable, the second variable, the third variable and the fourth variable according to the first structure, and converts the The above-mentioned first variable, second variable, third variable and fourth variable are transmitted to the corresponding function interface for processing, and the data returned after the function interface is processed is encapsulated according to the first variable, second variable, third variable and fourth variable Be the second structure, and call the third interface to send the second structure to the local network management process;

Step S208, after the central office network management process calls the third interface and receives the second structure, parses the second structure to obtain the data returned by the function interface;

In step S209, after the communication between the central office network management process and the central office access layer process is completed, the central office network management process and the central office access layer process respectively call the fourth interface to close the socket.

Wherein, both the network management process at the local end and the access layer process at the local end need to initialize the socket, send data, receive data, and close communication (that is, close the socket). In order to facilitate the management of the concurrent access of the central office network management process, the socket communication interface can be defined respectively in the local end access layer process and the local end network management process, and the socket communication interface includes the first interface for initializing the socket , a second interface for sending data, a third interface for receiving data, and a fourth interface for closing the socket. The socket communication interface is to combine related processing functions, for example, combine the related functions of initializing the socket into a new function, and the new function is the first interface, which will be used to send data related Functions are combined into the second interface, and so on. Use a unified interface to handle the communication and data transmission between the local network management process and the local access layer process, which is conducive to the management of concurrent access to the central network management process, making management consistent and reducing the communication caused by concurrent access of different local network management Or transmission errors and conflicts.

Wherein, after the central office access layer process obtains the central office access layer process socket, it calls the first interface of the central office access layer to initialize the central office access layer process socket, and the central office network management process obtains its first socket After the word, call the first interface of the central office network management process to initialize its first socket. The local network management process calls the second interface to send the first structure to the local access layer process, and the local access layer process calls the third interface to receive the first structure, and calls the second interface to send the The second structure is sent to the local network management process, and the local network management process calls the third interface to receive the second structure. After the communication between the local network management process and the local access layer process is completed, the local network management process and the local The access layer process respectively calls the fourth interface to close its own socket.

Through the description of the above method embodiments, those skilled in the art can clearly understand that the present application can be realized by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on this understanding, the essence of the technical solution of this application or the part that contributes to the prior art can be embodied in the form of software products and stored in a storage medium, including several instructions to make an intelligent device Execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes various media capable of storing data and program codes, such as read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk.

Corresponding to the first aspect of the embodiments of the present application, according to the second aspect of the embodiments of the present application, a multi-application layer network management concurrent access device is provided. FIG. 3 is a block diagram of a multi-application layer network management concurrent access device shown in an exemplary embodiment of the present application. In FIG. 3 , the dotted line indicates the data information transmission relationship between modules. As shown in Figure 3, the device includes:

The central network management process connection module U301 is used to respectively obtain the first socket in each central network management process, and initiate a connection request to the local access layer process;

The local end access layer process connection module U302 is used to poll the readable state of the central end access layer process socket in the central end access layer process, and obtain the local end network management After the connection request of the process, obtain the second socket that communicates with the network management process at the local end, and establish the communication connection between the access layer process at the local end and each network management process at the local end;

The central network management process data processing module U303 is used to encapsulate the data to be sent by the local network management process into a first structure;

The central network management process data sending module U304, configured to send the first structure to the local access layer process;

The local end access layer process data receiving module U305, configured to receive the first structure in the central end access layer process;

The local end access layer process data processing module U306 is used to analyze the data sent by the central office network management process according to the first structure and transmit it to the corresponding function interface for processing. The data returned by the receiving function interface is encapsulated into a second structure, the first The encapsulation methods of the first structure and the second structure are the same;

The local end access layer process data sending module U307, configured to send the second structure to the central end network management process;

The central network management process data receiving module U308 is used to receive the second structure, and analyze the second structure to obtain the data through the function interface;

The local end network management process communication closing module U309 is used to close its corresponding socket after the communication with the local end access layer process is completed.

The central office access layer process communication closing module U3010 is used to close its corresponding socket after the communication with the central office network management process is completed.

Wherein, the central office network management process data processing module U303 may include:

The first variable definition sub-module is used to predefine the first variable used to represent the network management type, the second variable used to represent the operation type, the third variable used to represent the resource type and the resource type in the local network management process. identifies the fourth variable,

The first data encapsulation sub-module is used to use the first variable, the second variable, the third variable and the fourth variable to represent the data that needs to be sent in the local network management process, and the first variable and the second variable will be used , the data represented by the third variable and the fourth variable are encapsulated into the first structure.

Wherein, the local end access layer process data processing module U306 may include:

The second variable definition sub-module is used to predefine the first variable used to represent the network management type, the second variable used to represent the operation type, the third variable used to represent the resource type and the The fourth variable of the resource identifier,

The first parsing submodule is configured to parse out the first variable, the second variable, the third variable and the fourth variable according to the first structure after the local access layer process receives the first structure,

a transmission sub-module, configured to transmit the first variable, the second variable, the third variable and the fourth variable to corresponding function interfaces for processing;

The return data receiving submodule is used to receive the data returned by the function interface;

The second encapsulation sub-module is used for encapsulating the data returned by the function interface into a second structure according to the first variable, the second variable, the third variable and the fourth variable.

Wherein, the central office access layer process connection module U302 may include:

The socket descriptor acquisition submodule is used to obtain the socket descriptor;

The monitoring sub-module is used to monitor the connection request of the central office network management process, and add the socket description to the descriptor set;

The descriptor set state query submodule is used to query the state of the descriptor set and determine whether there is a change in the state of the descriptor set;

The descriptor state query sub-module is used for traversing the states of all descriptors if the state of the descriptor set changes, and judging whether there is a descriptor whose state has changed, otherwise, returning to the descriptor set state query module;

The descriptor judging submodule is used to determine whether the descriptor whose state changes is equal to the socket descriptor if there is a descriptor whose state changes;

The communication connection establishes a submodule, which is used to accept the connection request of the local end network management process if the descriptor of the state change is equal to the socket descriptor, and establish a communication with the local end network management process, which will be transferred to the local end network management process. The communication descriptor is added to the descriptor set, and the descriptor set status query submodule is returned; otherwise, the central office access layer process enters the process of receiving data sent by the central office network management process.

FIG. 4 is a block diagram of a multi-application layer network management concurrent access device shown in an exemplary embodiment of the present application. In FIG. 4 , the dotted line indicates the data information transmission relationship between modules. As shown in Figure 4, the device includes:

The first socket interface definition module U401 is used to define the socket communication interface in the central office access layer process;

The second socket interface definition module U402 is used to define the socket communication interface in the central office network management process;

The local end network management process connection module U403 is used for each local end network management process to obtain the first socket respectively, call the respective first interface to initialize the respective first socket, and initiate a connection request to the local end access layer process;

The central office access layer process connection module U404 is used for the central office access layer process to obtain the central office access layer process socket, and calls the first interface of the central office access layer process to initialize the central office access layer process socket. In the access layer process of the central office, poll the readable state of the process socket of the central office access layer, and obtain the connection request of the network management process of the central office according to the readable state of the socket of the central office access layer process. The second socket for communication establishes communication connections between the central office access layer process and each central office network management process;

The central network management process data processing module U405 is used for encapsulating the data to be sent by the local network management process into a first structure;

The central network management process data sending module U406, configured to send the first structure to the local access layer process;

The central access layer process data receiving module U407, configured to receive the first structure in the central access layer process;

The local end access layer process data processing module U408 is used to analyze the data sent by the central office network management process according to the first structure and transmit it to the corresponding function interface for processing, and the data returned by the receiving function interface is encapsulated into a second structure, the first The encapsulation methods of the first structure and the second structure are the same;

Central office access layer process data sending module U409, configured to send the second structure to the central office network management process;

The central network management process data receiving module U4010 is used to receive the second structure, and analyze the second structure to obtain the data through the function interface;

The local end network management process communication closing module U4011 is used to close its corresponding socket after the communication with the local end access layer process is completed.

The central office access layer process communication closing module U4012 is used to close its corresponding socket after the communication with the central office network management process is completed.

Wherein, the socket communication interface includes a first interface for initializing the socket, a second interface for sending data, a third interface for receiving data, and a fourth interface for closing the socket,

After the local end access layer process obtains the central end access layer process socket, it calls the first interface of the central end access layer to initialize the local end access layer process socket. After the local end network management process obtains its first socket , calling the first interface of the local network management process to initialize its first socket. The local end network management process data sending module calls its second interface to send the first structure to the local end access layer process, and the local end network management process data receiving module calls its own third interface to receive the second structure,

The local end access layer process data receiving module calls its own third interface to receive the first structure, and calls its own second interface to send the second structure to the local end network management process,

The local end network management process communication closing module and the local end access layer process communication closing module respectively call their respective fourth interfaces to close their own sockets.

For the convenience of description, when describing the above devices, functions are divided into various units and described separately. Of course, when implementing the present application, the functions of each unit can be implemented in one or more pieces of software and/or hardware.

Each embodiment in this specification is described in a progressive manner, the same and similar parts of each embodiment can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the device or system embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and for relevant parts, refer to part of the description of the method embodiments. The device and system embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, It can be located in one place, or it can be distributed to multiple network elements. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without creative effort.

It should be noted that in this article, relative terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these Any such actual relationship or inverse order exists between entities or operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above descriptions are only specific implementation manners of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A multi-application layer network management concurrent access method, characterized in that, comprising: Each central office network management process respectively obtains the first socket, and initiates a connection request to the central office access layer process; The central access layer process polls the readable state of the central access layer process socket, and after obtaining the connection request of the central office network management process according to the readable state of the central office access layer process socket, obtains the connection request with the central office network management process. The second socket for communication establishes communication connections between the central office access layer process and each central office network management process; The local network management process encapsulates the data to be sent into a first structure, and sends the first structure to the local access layer process; After receiving the first structure, the central access layer process parses the data sent by the central network management process according to the first structure, transmits the parsed data to the corresponding function interface for processing, and returns the data returned by the function interface The data is encapsulated into a second structure, and the second structure is sent to the local network management process, and the encapsulation methods of the first structure and the second structure are the same; After the local network management process receives the second structure, it parses the second structure to obtain the data returned through the function interface; After the communication between the network management process at the local end and the access layer process at the local end is completed, the network management process at the local end and the access layer process at the local end respectively close their corresponding sockets. 2. The multi-application layer network management concurrent access method as claimed in claim 1, wherein the sockets of the local network management process and the local access layer process are UNIX domain byte stream sockets. 3. multi-application layer network management concurrent access method as claimed in claim 1, is characterized in that, The local network management process encapsulates the data to be sent into a first structure, including: In the local network management process, a first variable used to represent the network management type, a second variable used to represent the operation type, a third variable used to represent the resource type, and a fourth variable used to represent the resource identifier are pre-defined, The local end network management process will use the first variable, the second variable, the third variable and the fourth variable to represent the data that needs to be sent, and will use the first variable, the second variable, the third variable and the fourth variable to represent the data. The data of is encapsulated into the first structure; After receiving the first structure, the central access layer process parses the data sent by the central network management process according to the first structure, transmits the parsed data to the corresponding function interface for processing, and returns the data returned by the function interface Data is encapsulated as a second structure, including: In the local access layer process, the first variable used to represent the network management type, the second variable used to represent the operation type, the third variable used to represent the resource type, and the fourth variable used to represent the resource identifier are predefined, After receiving the first structure, the local access layer process parses out the first variable, the second variable, the third variable and the fourth variable according to the first structure, and converts the first variable, the second The variable, the third variable and the fourth variable are transmitted to the corresponding function interface for processing, the data returned by the function interface is received, and the data returned by the function interface is packaged according to the first variable, the second variable, the third variable and the fourth variable as Second structure. 4. The multi-application layer network management concurrent access method according to any one of claims 1 to 3, further comprising: The socket communication interface is respectively defined in the local end access layer process and the local end network management process, and the socket communication interface includes a first interface for initializing the socket, a second interface for sending data, and a second interface for receiving a third interface for data and a fourth interface for closing the socket, After the local end network management process obtains the first socket, it calls the first interface of the local end network management process to initialize the first socket, and the local end access layer process calls the local end access layer process socket after obtaining the local end access layer process socket. The first interface of the local end access layer process initializes the local end access layer process socket, The local end network management process calls the second interface of the local end network management process to send the first structure to the local end access layer process, The central access layer process calls the third interface of the central access layer process to receive the first structure, and calls the second interface of the central access layer process to send the second structure to the central network management process, The local network management process calls the third interface of the local network management process to receive the second structure, After the communication between the local network management process and the local access layer process is completed, the local network management process and the local access layer process call their respective fourth interfaces to close their own sockets. 5. multi-application layer network management concurrent access method as claimed in claim 1, is characterized in that, described establishment local end access layer process and the communication of local end network management process, at the local end access layer process one end, comprise: Step a1, obtaining the access layer process socket descriptor at the central office; Step a2, monitoring the connection request of the central office network management process, adding the socket descriptor of the central office access layer process into the descriptor set; Step a3, query the state of the descriptor set, and determine whether there is a change in the state of the descriptor set; Step a4, if there is a change in the state of the descriptor set, traverse the states of all descriptors to determine whether there is a descriptor whose state has changed, otherwise, return to step a3; Step a5: If there is a descriptor whose state has changed, determine whether the descriptor whose state has changed is equal to the socket descriptor of the central access layer process; Step a6, if the descriptor whose state changes is equal to the socket descriptor of the central office access layer process, then there is a central office network management process connection request, accept the central office network management process connection request, and obtain a connection request with the central office network management process The second socket for communication, establishes communication with the network management process at the local end, adds the descriptors communicated with the network management process at the local end to the descriptor set, and returns to step a3, otherwise, the access layer process at the central office enters the network management process at the receiving central end The process of sending the data. 6. A multi-application layer network management concurrent access device, characterized in that it comprises: The local end network management process connection module is used to respectively obtain the first socket in each local end network management process, and initiate a connection request to the central end access layer process; The local end access layer process connection module is used to poll the readable state of the central end access layer process socket in the central end access layer process, and obtain the central end network management process according to the readable state of the central end access layer process socket After the connection request of the local end network management process, obtain the second socket for communicating with the local end network management process, and establish the communication connection between the local end access layer process and each local end network management process; The central network management process data processing module is used to encapsulate the data to be sent into a first structure; The local network management process data sending module is used to send the first structure to the local access layer process; The central access layer process data receiving module is configured to receive the first structure in the central access layer process; The local end access layer process data processing module is used to analyze the data sent by the central office network management process according to the first structure, transmit the parsed data to the corresponding function interface for processing, and encapsulate the data returned by the receiving function interface into the first Two structures, the encapsulation method of the first structure and the second structure is the same; The central office access layer process data sending module, configured to send the second structure to the central office network management process; The local network management process data receiving module is used to receive the second structure, and analyze the second structure to obtain the data returned through the function interface; The local end network management process communication closing module is used to close the socket corresponding to itself after the communication with the local end access layer process is completed; The local end access layer process communication closing module is used to close its corresponding socket after the communication with the local end network management process is completed. 7. The multi-application layer network management concurrent access device according to claim 6, wherein the sockets of the network management process at the local end and the access layer process at the local end are UNIX domain byte stream sockets. 8. The multi-application layer network management concurrent access device as claimed in claim 6, characterized in that, The local end network management process data processing module includes: The first variable definition sub-module is used to predefine the first variable used to represent the network management type, the second variable used to represent the operation type, the third variable used to represent the resource type and the resource type in the local network management process. identifies the fourth variable, The first data encapsulation sub-module is used to use the first variable, the second variable, the third variable and the fourth variable to represent the data that needs to be sent in the local network management process, and the first variable and the second variable will be used , the data represented by the third variable and the fourth variable are encapsulated into the first structure; The local end access layer process data processing module includes: The second variable definition sub-module is used to predefine the first variable used to represent the network management type, the second variable used to represent the operation type, the third variable used to represent the resource type and the The fourth variable of the resource identifier, The first parsing submodule is configured to parse out the first variable, the second variable, the third variable and the fourth variable according to the first structure after the local access layer process receives the first structure, a transmission sub-module, configured to transmit the first variable, the second variable, the third variable and the fourth variable to corresponding function interfaces for processing; The return data receiving submodule is used to receive the data returned by the function interface; The second encapsulation sub-module is used for encapsulating the data returned by the function interface into a second structure according to the first variable, the second variable, the third variable and the fourth variable. 9. The multi-application layer network management concurrent access device according to any one of claims 6 to 8, further comprising: The first socket interface definition module is used to define the socket communication interface in the central office access layer process; The second socket interface definition module is used to define the socket communication interface in the central office network management process; Wherein, the socket communication interface includes a first interface for initializing the socket, a second interface for sending data, a third interface for receiving data, and a fourth interface for closing the socket, After the local end network management process obtains the first socket, it calls the first interface of the local end network management process to initialize the first socket, and the local end access layer process calls the local end access layer process socket after obtaining the local end access layer process socket. The first interface of the local end access layer process initializes the local end access layer process socket, The local end network management process data sending module calls its second interface to send the first structure to the local end access layer process, and the local end network management process data receiving module calls its own third interface to receive the second structure, The local end access layer process data receiving module calls its own third interface to receive the first structure, and calls its own second interface to send the second structure to the local end network management process, The local end network management process communication closing module and the local end access layer process communication closing module respectively call their respective fourth interfaces to close their own sockets. 10. The multi-application layer network management concurrent access device as claimed in claim 6, wherein the local access layer process connection module includes: The socket descriptor acquisition submodule is used to obtain the socket descriptor of the access layer process at the central office; The monitoring sub-module is used to monitor the connection request of the central office network management process, and add the socket description of the central office access layer process into the descriptor set; The descriptor set state query submodule is used to query the state of the descriptor set and determine whether there is a change in the state of the descriptor set; The descriptor state query sub-module is used for traversing the states of all descriptors if the state of the descriptor set changes, and judging whether there is a descriptor whose state has changed, otherwise, returning to the descriptor set state query module; The descriptor judging submodule is used to judge whether the descriptor whose state changes is equal to the socket descriptor of the central access layer process if there is a descriptor whose state changes; The communication connection establishment sub-module is used to accept the connection request of the network management process of the central office if the descriptor whose state changes is equal to the socket descriptor of the access layer process of the central office, and obtain the first communication with the network management process of the central office. Two sockets, establish communication with the central office network management process, add the descriptors communicated with the central office network management process to the descriptor set, and return the descriptor set status query submodule, otherwise, the central office access layer process enters the receiving central office The process of data sent by the network management process.