CN109274715B - Platform resource management system of vehicle-mounted multi-channel communication system - Google Patents
Platform resource management system of vehicle-mounted multi-channel communication system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H—ELECTRICITY
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention discloses a platform resource management system of a vehicle-mounted multi-channel communication system. The system comprises a channel module, a signal processing module, a safety exchange module and a main control module. The channel module is used for receiving and transmitting radio waves. And the signal processing module is connected with the channel module and is used for carrying out digital processing on the waveform data of the radio waves. The safety exchange module is used for encrypting the transmission data between the main control module and the signal processing module. The main control module is internally provided with a platform resource management module realized by SCA and used for monitoring and managing the channel module, the signal processing module, the safety exchange module and the main control module. A user can directly access the platform resource management system through a browser, waveform management, parameter configuration and running condition monitoring of the vehicle radio station are completed, client software does not need to be installed, and universality is high.
Description
Technical Field
The invention relates to the field of platform resource management of a multi-channel communication system, in particular to a platform resource management system of a vehicle-mounted multi-channel communication system.
Background
The platform resource management of the vehicle-mounted multi-channel communication system aims to realize the functions of dynamic loading and unloading of waveforms, parameter configuration, equipment resource monitoring, log viewing and the like under multiple channels.
The current platform resource management method of the vehicle-mounted multi-channel communication system mainly comprises two modes.
One mode is to adopt a client/server mode, a client program runs on a PC (personal computer), a server program runs on a main control board of a vehicle-mounted platform, and data interaction is carried out through a user-defined protocol based on a serial port or a network port to complete centralized management of parameters and visual monitoring of platform resources. This method has the following disadvantages: corresponding software needs to be installed on the client, certain requirements are imposed on the hardware and the operating environment of the client, and the operation is not convenient; because the functions of the equipment are increasingly huge, the functions of the application programs are continuously rich and complex, the defects of poor flexibility, difficulty in transplanting, high development cost, troublesome maintenance, high upgrading difficulty and difficulty in applying new technologies are shown, and the requirements of convenience in modern management and operation, wide adaptability and low cost cannot be met.
Another way is to accomplish the task of platform resource management by running Web server software on a PC. Apache is a commonly used Web server software, and the Apache server software is taken as an example for brief explanation; apache server software is installed on a PC, relevant configuration setting is completed to realize the function of Web service, a website program (including HTML webpage files) is placed under a default folder of the server, the Web server is started, any networking equipment in the same network can access the server through a browser, and a written Web page is viewed. Therefore, the function of the Web service is realized conveniently. The controlled device CAN communicate with the PC through an industrial bus (485 bus, CAN bus) and transmit data information to the Web server. The server side can call data and feed back user request information by writing a corresponding CGI (Common Gateway Interface) program, so as to monitor the controlled device. The proposal conveniently realizes the construction of the Web server by using the PC, completes the task of remote communication and is easy to install and debug. This method has the following disadvantages: the method runs Web server software on a PC to realize monitoring and management of hardware equipment, and the proposal needs to use a PC to complete the construction of the Web server, thus increasing the cost of the project. For some devices the management requirements are not too complex, the number of controlled devices is small, and the scheme is not suitable for use in situations where the data transfer rate is low. The scheme is mainly used for monitoring and managing large-scale equipment in an industrial environment, and is not strict in cost requirement and is used in occasions with higher requirement on equipment reliability.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a platform resource management system of a vehicle-mounted multi-channel communication system, which can be directly accessed by a user through a browser, can complete waveform management, parameter configuration and running condition monitoring of a vehicle-mounted radio station, does not need to install client software, and has strong universality.
In order to achieve the purpose, the invention provides a platform resource management system of a vehicle-mounted multi-channel communication system. The platform resource management system comprises a channel module, a signal processing module, a safety exchange module and a main control module. The channel module is used for receiving and transmitting radio waves and is also used for amplifying and filtering signals. And the signal processing module is connected with the channel module and is used for carrying out digital processing on the waveform data of the radio waves, including modulation and demodulation. The safety exchange module is respectively connected with the signal processing module and the main control module and is used for encrypting transmission data between the main control module and the signal processing module. The main control module is connected with the safety exchange module, and a platform resource management module realized by SCA is arranged in the main control module and is used for monitoring and managing the channel module, the signal processing module, the safety exchange module and the main control module. The number of the channel modules is the same as that of the channel modules, and one signal processing module is connected with one channel module.
In a preferred embodiment, the platform resource management module includes an embedded Web server module, and the embedded Web server includes: the system comprises an integrated deployment module, a parameter management module and a resource monitoring module. The integrated deployment module is used for inquiring, deploying or deleting waveform data and installing or uninstalling waveform application software in the main control module and the signal processing module. The parameter management module comprises a parameter query module and a parameter configuration module and is used for managing parameters of the deployed waveform application. The resource monitoring module is used for monitoring the resource use condition and the running state of the channel module, the signal processing module, the safety exchange module and the main control module and reporting abnormal information. And the fault management module is coupled with the resource monitoring module and is used for recording, analyzing and processing the fault after receiving the abnormal information.
In a preferred embodiment, the integrated deployment module comprises: the device comprises an initialization module, a deployment condition query module, a waveform deployment module, a waveform deletion module, a waveform software installation module and a waveform software uninstallation module. The initialization module is used for creating a sequence of installed waveforms, a channel deployment situation sequence and an audio/serial port sequence, wherein the channel deployment situation sequence comprises a channel number, a waveform name and a use state. The deployment condition query module is coupled with the initialization module and used for querying the deployment condition of the channel. A waveform deployment module is coupled to the initialization module for deploying a waveform. The waveform deleting module is coupled with the initializing module and is used for deleting the waveform. The waveform software installation module is coupled with the initialization module and used for installing waveform software. The waveform software unloading module is coupled with the initialization module and used for unloading the waveform software.
In a preferred embodiment, the working method of the embedded Web server module includes: firstly, allocating a memory; then initializing a server, opening a monitoring port task, receiving interface data, creating a processing event and adding the processing event into an event list; then establishing mapping between the user request and the event processing function; polling all processing events, and calling corresponding event processing functions according to user requests; and finally calling a callback function to write the returned data into the interface.
In a preferred embodiment, the querying the deployment condition of the channel by the deployment condition querying module includes: the deployment condition query module receives a deployment condition request; finding a corresponding event processing function according to the deployment condition request, judging whether the deployment waveform series is empty, if so, returning the state, and if not, circulating the installed waveform series and circulating the waveform deployment condition so as to construct a return character string for returning.
In a preferred embodiment, the waveform deployment module performs waveform deployment including: receiving a waveform deployment request; finding a corresponding event processing function according to the waveform deployment request, finding a corresponding application factory from a domain manager according to the waveform name by the event processing function, calling a creation method of the application to achieve waveform deployment, returning to the waveform application after successful deployment, calling a starting method of the application to achieve starting of the application; and modifying the deployment situation sequence and returning an end word.
In a preferred embodiment, the waveform deleting module for deleting the waveform includes: receiving a waveform deleting request, finding a corresponding event processing function according to the waveform deleting request, calling an application deleting method in a domain manager, transmitting a waveform name, and deleting a waveform; and modifying the deployment situation sequence and the installed waveform sequence, and returning an end word.
In a preferred embodiment, the waveform software installation module installs the waveform software includes: receiving a waveform software installation request, wherein the waveform software installation request comprises an installed software package compressed file; extracting data and file names of the software package compressed files in a form; finding out a corresponding event processing function according to the waveform software installation request; the event processing function receives the software package compressed file and stores the software package compressed file in a cache region directory; decompressing the file to obtain the waveform software package, calling an installation method of a file manager interface, and mounting the waveform software package in the cache region to a suspension point of "/pms/"; calling an application installation method of a domain manager, and transmitting a "/pms/+ waveform name" to realize the installation of the waveform application; and adding the waveform name into the installed waveform sequence, and returning an end word.
In a preferred embodiment, the querying the parameter by the parameter querying module includes: receiving a parameter query request, wherein the parameter query request comprises waveform information, and finding a corresponding event processing function according to the parameter query request; finding the corresponding waveform application under the domain manager according to the waveform name, and calling a query method of the waveform application to obtain a parameter array; and converting the parameter array into parameter values in a character string form, connecting each parameter value to form a character string, and returning the character string.
In a preferred embodiment, the configuring the parameter by the parameter configuring module includes: receiving a parameter configuration request, wherein the parameter configuration request comprises waveform information; finding out a corresponding processing function according to the parameter configuration request; and analyzing the waveform attribute, the channel number and the waveform name from the parameter configuration request, finding the corresponding waveform application under the domain manager according to the waveform name, and calling a configuration method configuration parameter of the waveform application.
Compared with the prior art, the platform resource management system of the vehicle-mounted multichannel communication system is provided with the embedded Web server, so that a user can realize connection with the embedded Web server directly through a browser without downloading a client program at a client, the waveform management, parameter configuration and the running condition of each module are monitored through the embedded Web server, and the problems that software needs to be installed in the past, the software depends on a specific environment, the universality is poor, the upgrading is troublesome and the like are solved. In addition, compared with a method for realizing the Web server by running Web server software by a PC, the method has the advantages of greatly reducing the cost and having wide application range.
Drawings
FIG. 1 is a prior art SCA platform model;
FIG. 2 is a schematic diagram of a hardware architecture of a platform resource management system of an in-vehicle multi-channel communication system according to an embodiment of the invention;
fig. 3 is a schematic diagram of a platform resource management module of a platform resource management system of an in-vehicle multi-channel communication system according to an embodiment of the invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
The invention provides a platform resource management system of a vehicle-mounted multi-channel communication system, which is based on a platform system structure of an SCA (software communication system structure) to realize dynamic loading and unloading of waveforms under multiple channels, parameter configuration, equipment resource monitoring and log viewing.
The SCA is a standard, open, interoperable platform architecture. Fig. 1 is a prior SCA platform model. . The SCA specification defines various interfaces and interrelations of CF (core framework) in detail, and uses CORBA (common object request broker architecture) middleware as a message transmission mechanism of a distributed environment, and the application description file defines the utilization of various application resources (such as waveform components) to system resources. The CF is composed of a basic application interface, a basic device interface, a framework control interface, and a framework service interface. The framework control interface comprises a domain management interface, a device management interface, an application factory interface and an application interface, and is responsible for uniformly managing devices, services, application factories and applications in a domain. CORBA is a general object request agent architecture, which encapsulates the operation and attribute of various objects in different interfaces, and calls the operation in the interface to complete the designated function through the object request agent. Various interfaces in the CF are realized according to a CORBA form. Communication among components in the SCA domain and control, configuration and management of the whole domain are all completed through CORBA. Meanwhile, CORBA can also provide event service, log service and the like for SCA, and great convenience is brought to the realization of a core framework and the development of waveform application.
The invention uses SCA as standard, open and interoperable platform system structure, calls CF interface through CORBA connection to complete control and management of target platform.
The platform resource management system of the vehicle-mounted multi-channel communication system comprises a hardware part and a software part. Fig. 1 is a hardware configuration diagram of a platform resource management system of an in-vehicle multichannel communication system according to an embodiment of the present invention. Fig. 2 is a schematic diagram of a platform resource management module of a platform resource management system of an in-vehicle multi-channel communication system according to an embodiment of the invention.
In this embodiment, the hardware section includes: 4 channel modules 10, 4 signal processing modules 11, 1 security switching module 12 and 1 main control module 13. And all the hardware modules are interconnected by adopting a serial exchange type bus. The channel module 10 is used for transceiving radio waves. The signal processing module 11 is configured to perform digital processing on the waveform data of the radio waves. The secure switching module 12 is configured to encrypt transmission data between the main control module 13 and the signal processing module 11. The main control module 13 configures software. The software part comprises a platform resource management module 20 for monitoring and managing the channel module 10, the signal processing module 11, the secure switching module 12 and the main control module 13.
The platform resource management module 20 is implemented by a standard interface conforming to the SCA specification, and operates on the main control module 13, and the platform resource management module 20 includes an embedded Web server module 201. The embedded Web server module 201 includes: the integrated deployment module 201a, the parameter management module 201b, the resource monitoring module 201c, and the fault management module 201 d.
In this embodiment, the embedded Web server module 201 has the following working steps: firstly, allocating a memory block of 60 bytes by 1024 bytes; then initializing an embedded Web server, opening a monitoring port task, receiving socket data, creating a processing event and adding the processing event into a list; then establishing mapping between the user request and the processing function; then, polling all processing events in a main cycle of the server, and calling a processing function according to a user request in the events; and finally calling a callback function to write the returned data into the socket.
The integrated deployment module 201a provides query, install, deploy, uninstall, delete operations for waveforms under each channel. And the embedded Web server finds a corresponding processing function according to the mapping after receiving the user request sent by the integrated deployment module, and calls a core frame interface in the processing function to finish specific operation. The integrated deployment module 201a includes: the device comprises an initialization module, a deployment condition query module, a waveform deployment module, a waveform deletion module, a waveform software installation module and a waveform software uninstallation module.
The initialization module is used for creating a sequence of installed waveforms, a channel deployment situation sequence and an audio/serial port sequence, wherein the channel deployment situation sequence comprises a channel number, a waveform name and a use state. Specifically, at system initialization, the integrated deployment module 201a creates the following sequence: an installed waveform sequence, a channel deployment situation sequence, an audio/serial port sequence.
At system initialization, the initialization module creates the installed waveform sequence as follows: and acquiring a domain manager object of the core framework through the naming service, and obtaining an installed waveform list in the domain manager.
When the system is initialized, the initialization module creates a channel deployment case sequence by the following process: the deployment scenario sequence has three attributes, which are channel number, waveform name, state (initial, available, occupied). The initial default setting channel number is from 1 to 4, the waveform name is null, and the state is "initial". If the channel has a device manager running, the channel state is modified as available.
When the system is initialized, the initialization module creates an audio/serial port sequence by the following process: the initial settings are that the channel number is from 1-4, the audio number is null, and the serial number is from 1-4.
The deployment condition query module is used for querying the deployment condition of the channel. In this embodiment, the step of querying the channel deployment condition by the deployment condition querying module is as follows: firstly, a user accesses a homepage and submits a request for inquiring deployment conditions before loading the page; then the embedded Web server finds a processing function according to the request, judges whether the deployment waveform sequence is empty, writes 'NOACK (No response)' for the empty feedback data and ends the connection, and modifies the status bit to '200' to indicate that the request has been responded; if the deployment waveform sequence is not null, constructing a return character string, circulating the installed waveform sequence, assigning all waveform names as "" connections, ending with "/", assigning the character string to temp (temporary folder), then circulating the waveform deployment conditions, assigning channel numbers, states and waveform names in each deployment condition as "" connections and ending with "/", adding the character string to the temp, writing the temp to return data, ending the connection, modifying the state bit to be 200, representing a successful response request, finally receiving the temp by the page, analyzing the data by using javascript, and reconstructing the page.
The waveform deployment module is used for deploying the waveform. Specifically, the waveform deployment module deploys the waveforms as follows: displaying deployable waveforms on a main page by using a select tag, selecting one waveform, clicking a deployment button, and submitting a channel number and a waveform name to a server; the server finds a processing function according to the submission request; the processing function finds a corresponding application factory from the domain manager according to the waveform name, calls a create method of the application factory to realize waveform deployment, returns to the waveform application after the waveform application is successfully deployed, calls a start method of the application to realize the start of the application; and modifying the deployment condition of the channel in the deployment condition sequence, writing back data into' ACK (acknowledgement), ending the connection, and successfully responding to the request.
The waveform deleting module is used for deleting the waveform. Specifically, the waveform deleting module deletes the waveform as follows: selecting a deleted waveform from an installed waveform list on a waveform management page, clicking a delete button, submitting a waveform deletion request to a server and transmitting a waveform name; the server finds a processing function according to the deletion request; invoking a uninstantalt application method of a domain manager, transmitting a waveform name, and realizing waveform deletion; modifying the deployment scenario sequence and the installed waveform sequence; the return data is written into 'ACK', the connection is finished, and the request is successfully responded.
The waveform software installation module is used for installing waveform software. Specifically, the waveform software installation module installs the waveform software by the following steps: on the waveform installation page, a file selector tag is used, a user selects a software package compressed file to be installed, and file data and a file name are submitted to a server in a form; the server finds a processing function according to the submission request; the processing function receives the software package compressed file and stores the software package compressed file in a cache region directory; decompressing the file by using gzip to obtain a waveform software package, calling a mount method of a file manager interface, and mounting the waveform software package in a cache region to a "/pms/"; calling an installApplication method of a core framework domain manager, transmitting a "/pms/+ waveform name", realizing the installation of the waveform application, adding the waveform name into an installed waveform sequence, refreshing a page, and displaying that the waveform installation is successful on the page.
The waveform software unloading module is used for unloading waveform software. Specifically, the waveform software uninstalling module uninstalls the waveform software by the following steps: selecting a channel needing waveform unloading on a main page, clicking an unloading button, submitting an unloading waveform application request to a user, and transmitting a channel number and a waveform name; the server finds a processing function according to the submission request; matching waveform names from a waveform application set of a domain manager to obtain waveform application objects, and calling a releaseObject method to realize waveform unloading; and modifying the deployment condition of the channel in the deployment condition sequence, writing back data into ACK, finishing the connection and successfully responding to the request.
The parameter management module 201b is used for managing each parameter of the hardware module. The parameters can be divided into three types of radio parameters, waveform parameters and equipment parameters according to types, wherein the radio parameters and the waveform parameters have the same use mode, and query and configuration are realized by calling applied query and config methods. The station parameters comprise power, Mac address, IP address, address mask and superior network number. The station parameters are independent of the waveform. The waveform parameters, also called channel parameters, include the master station, the working mode, the fixed frequency, the information key, the transmission key, the frequency hopping table number, the frequency hopping network number, the user rate, the network mode and the access mode. And calling the config and query interfaces of the application to complete the configuration and query of the parameters.
The specific steps of the parameter management module 201b configuring the parameters are as follows: in a parameter configuration page, corresponding to an input tag for each waveform attribute, selecting a channel to be configured, and submitting a channel number, a waveform name and all waveform parameters to a server in a form; the server finds out a corresponding processing function according to the submission request; and analyzing the waveform attribute, the channel number and the waveform name from the request, finding the corresponding waveform application under the domain manager according to the waveform name, and calling the config method configuration parameters of the waveform application.
The specific steps of the parameter management module 201b for querying the parameters are as follows: selecting a channel on a main page, clicking a query button, submitting a query request to a server, and transmitting a channel number and a waveform name; the server finds a corresponding processing function according to the query request; finding a corresponding waveform application under the domain manager according to the waveform name, and calling a query method of the waveform application to obtain a parameter array; converting the parameter array into character strings, using and connecting each parameter value in sequence, connecting the radio station parameter and the channel parameter in a '/', and transmitting the character strings back to a page; and the page analyzes the returned data and modifies the input tag value of the corresponding attribute.
In this embodiment, a method for configuring and querying a serial port/audio is also specifically described, where the parameter management module 201b configures the serial port/audio by the following specific steps: displaying an audio option and a serial port option by using a select tag under each channel on an equipment management page, clicking a setting button, submitting a configuration request to a server, and transmitting a channel number, the audio option and the serial port option; the server receives the request, analyzes the channel number, the audio option and the serial port option, updates the channel number, the audio option and the serial port option to an audio/serial port sequence, and sets the serial port number of other channels to be null if the serial port option is configured in other channels in the sequence; finding out audio/serial port equipment in the domain manager, calling the config method of the audio/serial port equipment respectively, and configuring the serial port/audio port to the corresponding channel.
The specific steps of the parameter management module 201b for querying the serial port/audio are as follows: submitting a serial port/audio query request before loading a page on an equipment management page; the server receives the request, converts the serial port/audio sequence into a character string, and returns the character string to the page after each recorded attribute is connected in a mode of "" and ending in a mode of "/". And analyzing the returned character string and modifying the corresponding select label.
Preferably, the resource monitoring module 201c includes both power-on monitoring and periodic monitoring. The power-on monitoring is to monitor each hardware module, the core frame assembly, the platform device and the service when the platform is powered on and started, and is used for discovering and reporting the starting abnormity in the power-on process in time. The periodic monitoring is that after the system normally operates, the operating states of each hardware module, the core frame assembly, the platform equipment and the service and waveform assembly in the radio station are periodically and dynamically detected according to the monitoring indication of a user, the operating state information is analyzed, and abnormal information is actively reported.
The fault management module 201d has the main functions of identifying a fault, locating the fault, analyzing the correlation, isolating and recovering the fault through configuration management, and recording a log of the fault after receiving an error report. Preferably, the fault management is mainly to analyze the error report according to a policy defined in the configuration description and locate the fault through the error code reported by the resource monitoring module 201c or the waveform component. Since a single point of failure can cause multiple failures, when a failure occurs, the failure management analyzes whether the single point of failure causes multiple failures or not, and analyzes the relationship between the failures. For the occurred fault, the fault management module 201d logs for post analysis. When the fault management module 201d itself cannot process the fault information, the fault management module reports the fault information to notify the user to perform arbitration and processing. Rules for fault handling include ignoring, performing waveform migration through configuration descriptions, or notifying a user of arbitration. The fault management information adopts configuration description with a uniform format, and flexible configuration of the strategy and the behavior of fault processing is supported.
The platform resource management system of the vehicle-mounted multichannel communication system can establish http long connection between the embedded Web server and the browser through the built-in embedded Web server module, and only the browser is required to be included for the client, so that the client such as a portable computer, a tablet computer, a desktop computer, a smart phone and the like can realize platform resource management, and is in network connection with the platform management service through a direct or router mode or a wireless transceiver and realizes data interaction. The software system of the platform resource management system uses a core framework and CORBA middleware which are in accordance with SCA standards so as to realize dynamic waveform deployment and waveform parameter configuration under multiple channels. Therefore, the platform resource management system of the vehicle-mounted multi-channel communication system solves the problems that the prior platform resource management system of the vehicle-mounted multi-channel communication system needs to install software, the software depends on a specific environment, the universality is poor, the upgrading is troublesome and the like. In addition, compared with a method for realizing the Web server by running Web server software by a PC (personal computer), the cost is greatly reduced, and the application range of the platform resource management system is wider.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. A platform resource management system of a vehicle-mounted multi-channel communication system, the platform resource management system comprising:
the channel module is used for receiving and transmitting radio waves and amplifying and filtering signals;
the signal processing module is connected with the channel module and is used for carrying out digital processing on the waveform data of the radio waves, including modulation and demodulation;
the safety exchange module is connected with the signal processing module and used for encrypting the transmission data; and
a main control module connected with the safety exchange module, wherein a platform resource management module realized by SCA is arranged in the main control module and is used for monitoring and managing the channel module, the signal processing module, the safety exchange module and the main control module,
wherein, the number of the channel modules is one or more, the number of the signal processing modules is the same as that of the channel modules, and one signal processing module is connected with one channel module,
the platform resource management module comprises an embedded Web server module, and the embedded Web server comprises:
the integrated deployment module is used for inquiring, deploying or deleting waveform data and installing or uninstalling waveform application software in the main control module and the signal processing module;
the parameter management module comprises a parameter query module and a parameter configuration module and is used for managing parameters of deployed waveform application;
the resource monitoring module is used for monitoring the resource use condition and the running state of the channel module, the signal processing module, the safety exchange module and the main control module and reporting abnormal information; and
a fault management module coupled with the resource monitoring module for recording, analyzing and processing the fault after receiving the abnormal information,
wherein the integrated deployment module comprises:
the device comprises an initialization module, a waveform generation module and a waveform display module, wherein the initialization module is used for creating a sequence of installed waveforms, a channel deployment situation sequence and an audio/serial port sequence, and the channel deployment situation sequence comprises a channel number, a waveform name and a use state;
the deployment condition query module is coupled with the initialization module and used for querying the deployment condition of the channel;
a waveform deployment module coupled to the initialization module for deploying a waveform;
the waveform deleting module is coupled with the initializing module and is used for deleting the waveform;
the waveform software installation module is coupled with the initialization module and used for installing waveform software; and
a waveform software unloading module coupled to the initialization module for unloading waveform software,
the working method of the embedded Web server module comprises the following steps:
firstly, allocating a memory;
then initializing a server, opening a monitoring port task, receiving interface data, creating a processing event and adding the processing event into an event list;
then establishing mapping between the user request and the event processing function;
polling all processing events, and calling corresponding event processing functions according to user requests; and
finally, calling a callback function to write the returned data into the interface,
wherein the waveform deployment module for waveform deployment comprises:
receiving a waveform deployment request;
finding a corresponding event processing function according to the waveform deployment request, finding a corresponding application factory from a domain manager according to the waveform name by the event processing function, calling a creation method of the application to achieve waveform deployment, returning to the waveform application after successful deployment, calling a starting method of the application to achieve starting of the application; and
and modifying the deployment situation sequence and returning an end word.
2. The platform resource management system of the in-vehicle multi-channel communication system of claim 1, wherein the deployment condition query module querying the deployment condition of the channel comprises:
the deployment condition query module receives a deployment condition request;
finding a corresponding event processing function according to the deployment condition request, judging whether the deployment waveform series is empty, if so, returning the state, and if not, circulating the installed waveform series and circulating the waveform deployment condition so as to construct a return character string for returning.
3. The platform resource management system of the in-vehicle multichannel communication system as claimed in claim 1, wherein said waveform deleting module performing waveform deletion includes:
a request for a waveform to be deleted is received,
finding a corresponding event processing function according to the waveform deleting request, calling an application deleting method in a domain manager, transmitting a waveform name, and deleting a waveform; and
and modifying the deployment situation sequence and the installed waveform sequence, and returning an end word.
4. The platform resource management system of the in-vehicle multichannel communication system as claimed in claim 1, wherein said waveform software installation module installs the waveform software includes:
receiving a waveform software installation request, wherein the waveform software installation request comprises an installed software package compressed file;
extracting data and file names of the software package compressed files in a form;
finding out a corresponding event processing function according to the waveform software installation request;
the event processing function receives the software package compressed file and stores the software package compressed file in a cache region directory; and
decompressing the file to obtain the waveform software package, calling an installation method of a file manager interface, and mounting the waveform software package in the cache region to a suspension point of "/pms/";
calling an application installation method of a domain manager, and transmitting a "/pms/+ waveform name" to realize the installation of the waveform application; and
and adding the waveform name into the installed waveform sequence, and returning an end word.
5. The platform resource management system of the in-vehicle multi-channel communication system of claim 1, wherein the parameter query module querying the parameter comprises:
receiving a parameter query request, the parameter query request including waveform information,
finding out a corresponding event processing function according to the parameter query request;
finding the corresponding waveform application under the domain manager according to the waveform name, and calling a query method of the waveform application to obtain a parameter array; and
and converting the parameter array into parameter values in a character string form, connecting each parameter value to form a character string, and returning the character string.
6. The platform resource management system of an in-vehicle multi-channel communication system of claim 1 wherein the parameter configuration module configuring parameters comprises:
receiving a parameter configuration request, wherein the parameter configuration request comprises waveform information;
finding out a corresponding processing function according to the parameter configuration request; and
and analyzing the waveform attribute, the channel number and the waveform name from the parameter configuration request, finding the corresponding waveform application under the domain manager according to the waveform name, and calling a configuration method configuration parameter of the waveform application.
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