CN115529332A - Cloud vehicle machine system for vehicle machine central control and remote access method - Google Patents
Cloud vehicle machine system for vehicle machine central control and remote access method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
- G06F9/452—Remote windowing, e.g. X-Window System, desktop virtualisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses a cloud vehicle machine system for vehicle machine central control and a remote access method, belongs to the technical field of cloud vehicle machines, and comprises a server side and a vehicle machine side connected with the server side. The server side comprises a remote server and a backup server connected with the remote server in real time; the remote server comprises a remote connection module, and the remote connection module is used for receiving a remote instruction and sending a data file of the server side to the vehicle side. The vehicle end comprises a human-computer interaction module, an execution module, a vehicle communication module and the like. According to the cloud vehicle machine system for vehicle-machine central control and the remote access method, the third-party application is stored in the vehicle machine cloud operating system, the cloud operating system runs on the remote server, and no association is generated between the cloud operating system and the local system, so that the problem of vehicle machine inching caused by installation of the third-party application in the vehicle machine central control system is solved.
Description
Technical Field
The invention belongs to the technical field of a cloud vehicle machine, and particularly relates to a cloud vehicle machine system for vehicle machine central control and a remote access method.
Background
The central control vehicle-machine system is only one, and vehicle control applications and other applications, such as entertainment applications and the like, are in the same system; the car machine system installing the third party application may reduce the system security and the system stability. To solve this problem, the existing vendors apply linux container (LXC) scheme to load multiple different systems, thereby implementing isolation between multiple systems and isolating application processes from other parts of the systems. For example: the ARM Linux system runs an ARM Linux container, the x86 Linux system runs an x86 Linux container, and the x86 Windows system runs an x86 Windows container. Linux containers have excellent portability, but provided that they must be compatible with the underlying system, and that it is localized, requiring reliance on local hardware, i.e., operating memory, physical storage space, cpu, etc. If the hardware performance is not strong enough, a plurality of operating systems cannot be operated, because each operating system occupies certain hardware resources, and each operating system of the allocated hardware resources cannot be shared, the limitation is large. Since a lot of applications are installed and then the car is jammed, a new cloud car machine system for controlling the car machine and a remote access method need to be developed to solve the existing problems.
Disclosure of Invention
The invention aims to provide a cloud vehicle machine system for vehicle machine central control and a remote access method, and aims to solve the problem of jamming caused by application and installation of a cloud vehicle machine.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cloud car machine system for accuse in car machine, includes: the system comprises a server and a vehicle end connected with the server;
the server side comprises: the system comprises a remote server and a backup server connected with the remote server in real time;
the remote server includes: a remote connection module;
the remote connection module is used for receiving a remote instruction and sending a data file of the server side to the vehicle side;
the car end comprises:
the human-computer interaction module is used for receiving an operation instruction and displaying execution content;
the vehicle-machine communication module establishes a connection channel with the server;
and the execution module acquires the click area of the human-computer interaction module to generate a remote instruction and sends the remote instruction to the server through the vehicle-machine communication module.
Preferably, the vehicle end further comprises:
the input and output module is used for reading and writing in the local storage file and carrying out data interaction with the connecting equipment;
the file management module is used for performing modification creation operation on the locally stored file, displaying a file directory and information and setting an access right for modifying the ownership of the file;
the detection module is used for detecting and collecting error information generated in operation;
the scheduling module is used for distributing and adjusting resources of a network, a CPU, a memory and storage when a plurality of processes run;
the interface module is used for providing development interfaces of the file management module and the execution module;
a remote transmission verification module for detecting the integrity of transmitted data and the correctness of the data.
Preferably, the remote server further comprises:
the client management module is used for establishing an identifier for a client establishing connection, storing hardware configuration information, initialization configuration information and storing configuration information during connection establishment for the first time;
and the network monitoring module is used for analyzing the connected network links and calculating the bandwidth occupation proportion of each link in real time.
Preferably, the remote transmission verification module includes:
the safety checking module is used for reading the checking code stored in the data packet and judging whether the checking code is modified in the transmission process;
the data integrity checking module is used for reading the contents from the file head at a set position in the data packet to the file end, calculating the hash value of the file contents through a hash function, comparing the hash value with the previously stored hash value, and judging the data integrity;
an error detection module for checking whether an error message is generated during transmission.
Preferably, the backup server receives the image file data sent by the remote server, and actively backs up and sends the image file data to the backup server when the state of the remote server changes.
Preferably, the state change of the remote server includes: the operating system and the bottom layer software state of the server are changed, and the operating system state comprises a registry, a starting file, a registered database and a system volume.
Preferably, the backup server obtains data of the network monitoring module within a set time period, and when the access bandwidth in the network monitoring module accounts for more than 70% of the total bandwidth, the backup server sends forwarding information to the remote server, and the remote server forwards a request for newly adding a connection to the backup server.
The invention also provides a remote access method for the cloud vehicle machine system controlled in the vehicle machine, which comprises the following steps:
step 1: setting connection information between a vehicle end and a service end, and setting backup conditions and strategies at the vehicle end;
step 2: clicking a cloud operating system access inlet in a vehicle end, displaying an interface of the cloud operating system by the vehicle end, clicking an application in a screen, and running the application by the cloud operating system;
and 3, step 3: and a remote transmission inspection module at the vehicle end detects the transmitted data packet. Firstly, judging whether the data file is modified in the transmission process through a safety check module and the safety of the data file; secondly, judging whether the data packet is modified or not through a data integrity checking module, and analyzing the information of an error detection module; finally, the analysis result is sent to a vehicle end;
and 4, step 4: the remote server is connected with the backup server in real time through a network, when the access bandwidth accounts for more than 70% of the total bandwidth, the remote server sends forwarding information to the remote server, and the remote server forwards a request of newly-increased connection to the backup server.
The invention has the technical effects and advantages that: according to the cloud vehicle machine system for vehicle machine central control and the remote access method, the third-party application is stored in the cloud operating system, and the cloud operating system runs on the remote server, so that the problem of vehicle machine jamming caused by installation of the third-party application in the vehicle machine central control system is solved, the stability of the vehicle machine central control system is improved, the vehicle machine central control system does not need to modify a system framework layer, the requirement on the aspect of audio and video is met, and the stability of the vehicle machine central control system is improved; meanwhile, the customized requirement modification is put on a cloud operating system for modification, after the modification is completed, a new operating system image is generated and runs on a remote server, and the local vehicle-mounted machine system can experience the cloud operating system by accessing a remote virtualization system; meanwhile, the car machine supports a plurality of cloud operating systems, the added operations do not occupy local hardware resources, the local system can experience the original local operation function only by providing an entrance to access a remote operating system, so that the system operation experience is more convenient, safer and more stable, and compared with a single system scheme on the market, third-party applications installed in the cloud car machine system scheme do not occupy the hardware resources (operation memory, storage space and cpu) of the local car machine, the cloud car machine system can be accessed only by connecting a network, the local hardware resources are not occupied, the cloud car machine system is safely isolated from the local system, and the safety is higher; compared with the LXC multi-system scheme on the market, the cloud vehicle machine system supports modification of the system bottom layer, does not affect the safety and stability of the original vehicle machine system, and occupies less hardware resources.
Drawings
FIG. 1 is a general framework diagram of the present invention;
FIG. 2 is a schematic diagram of a server framework according to the present invention;
FIG. 3 is a frame view of the end of the cart according to the present invention;
FIG. 4 is a block diagram of a remote server according to the present invention;
fig. 5 is a flowchart illustrating a remote access method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a cloud vehicle machine system for vehicle machine central control as shown in fig. 1 and fig. 2, comprising:
the server side:
the vehicle end is connected with the server end;
the server side: the method comprises the following steps: the system comprises a remote server and a backup server connected with the remote server in real time;
and the backup server receives the mirror image file data sent by the remote server, and actively backs up and sends the mirror image file data to the backup server when the state of the remote server changes. In this embodiment, the changing the state of the remote server includes: the operating system and the bottom layer software state of the server are changed, and the operating system state comprises a registry, a starting file, a registered database, a system volume and a directory of files;
the backup server obtains the data of the network monitoring module in a set time period, when the access bandwidth in the network monitoring module accounts for more than 70% of the total bandwidth, the forwarding information is sent to the remote server, and the remote server forwards the request of the newly-added connection to the backup server.
As shown in fig. 4, the remote server includes:
the remote connection module is used for receiving a remote instruction and sending a data file of the server to the vehicle end;
the client management module is used for establishing an identifier for a client establishing connection, storing hardware configuration information, initialization configuration information and configuration information during first connection establishment;
the network monitoring module is used for analyzing the connected network links and calculating the bandwidth occupation ratio of each link in real time;
as shown in fig. 3, the vehicle end includes:
the human-computer interaction module is used for receiving the operation instruction and displaying the execution content;
the vehicle-machine communication module establishes a connection channel with the server;
the execution module acquires a click area of the human-computer interaction module to generate a remote instruction, and sends the remote instruction to the server through the vehicle-machine communication module;
the input and output module is used for reading and writing a local storage file and carrying out data interaction with the connecting equipment;
the file management module is used for locally storing files, executing modification and creation operation, displaying file directories and information and setting access rights for modifying ownership of the files;
the detection module is used for detecting and collecting error information generated in operation;
the scheduling module is used for distributing and adjusting resources of a network, a CPU, a memory and storage when a plurality of processes run;
the interface module is used for providing development interfaces of the file management module and the execution module;
and the remote transmission checking module is used for detecting the integrity of the transmitted data and the correctness of the data.
The remote transmission verification module includes:
the safety checking module is used for reading the checking code stored in the data packet and judging whether the checking code is modified in the transmission process;
the data integrity checking module is used for reading the contents from the file header at a set position in the data packet to the file end, calculating the hash value of the file contents through a hash function, comparing the hash value with the previously stored hash value and judging the data integrity;
and the error detection module is used for checking whether error information is generated during transmission.
The invention further provides a remote access method for a cloud vehicle machine system controlled in a vehicle machine, as shown in fig. 5, the method comprises the following steps:
step 1: setting connection information between a vehicle end and a service end, and setting backup conditions and strategies at the vehicle end;
step 2: opening a cloud operating system access inlet in the vehicle end, wherein the opening can be clicking, an icon in the vehicle end is displayed on the vehicle end, an application in a screen is clicked, and the cloud operating system runs the application; in this embodiment, the cloud operating system runs on the server;
and step 3: and a remote transmission inspection module at the vehicle end detects the transmitted data packet. Firstly, judging whether the data file is modified in the transmission process through a safety check module and the safety of the data file; secondly, judging whether the data packet is modified or not through a data integrity checking module, and analyzing the information of an error detection module; finally, the analysis result is sent to the vehicle end;
and 4, step 4: the remote server is connected with the backup server in real time through a network, when the access bandwidth accounts for more than 70% of the total bandwidth, the remote server sends forwarding information to the remote server, and the remote server forwards a request of newly-increased connection to the backup server;
according to the cloud vehicle machine system for vehicle machine central control and the remote access method, the third-party application is stored in the cloud operating system, and the cloud operating system runs on the remote server, so that the problem of vehicle machine jamming caused by installation of the third-party application in the vehicle machine central control system is solved, the stability of the vehicle machine central control system is improved, the vehicle machine central control system does not need to modify a system framework layer, the requirement on the aspect of audio and video is met, and the stability of the vehicle machine central control system is improved; meanwhile, the customized requirement modification is put on a cloud operating system for modification, after the modification is completed, a new operating system image is generated and runs on a remote server, and the local vehicle-mounted machine system can experience the cloud operating system by accessing a remote virtualization system; meanwhile, the car machine supports a plurality of cloud operating systems, the added operations do not occupy local hardware resources, the local system can experience the original local operation function only by providing an entrance to access a remote operating system, so that the system operation experience is more convenient, safer and more stable, and compared with a single system scheme on the market, third-party applications installed in the cloud car machine system scheme do not occupy the hardware resources (operation memory, storage space and cpu) of the local car machine, the cloud car machine system can be accessed only by connecting a network, the local hardware resources are not occupied, the cloud car machine system is safely isolated from the local system, and the safety is higher; compared with the LXC multi-system scheme on the market, the cloud vehicle machine system supports modification of the system bottom layer, does not affect the safety and stability of the original vehicle machine system, and occupies less hardware resources.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A cloud vehicle machine system for vehicle machine central control is characterized by comprising a server side and a vehicle machine side connected with the server side;
the server side comprises: the system comprises a remote server and a backup server connected with the remote server in real time;
the remote server includes: a remote connection module;
the remote connection module is used for receiving a remote instruction and sending a data file of the server side to the vehicle side;
the car end comprises:
the human-computer interaction module is used for receiving an operation instruction and displaying execution content;
the vehicle-machine communication module establishes a connection channel with the server;
the execution module acquires a click area of the human-computer interaction module to generate a remote instruction, and sends the remote instruction to the server through the vehicle-machine communication module;
the input and output module is used for reading and writing in the local storage file and carrying out data interaction with the connecting equipment;
the file management module is used for executing modification creating operation on the local storage file, displaying a file directory and information and setting an access right for modifying the ownership of the file;
the detection module is used for detecting and collecting error information generated in the operation process;
the scheduling module is used for distributing and adjusting resources of a network, a CPU, a memory and storage when a plurality of processes run;
the interface module is used for providing development interfaces of the file management module and the execution module;
a remote transmission verification module for detecting the integrity of transmitted data and the correctness of the data.
2. The cloud vehicle machine system for in-vehicle control of claim 1, wherein the remote server further comprises:
the client management module is used for establishing an identifier for a client establishing connection, storing hardware configuration information, initialization configuration information and storing configuration information during connection establishment for the first time;
and the network monitoring module is used for analyzing the connected network links and calculating the bandwidth occupation ratio of each link in real time.
3. The cloud vehicle machine system for in-vehicle control of claim 1, wherein the remote transmission inspection module comprises:
the safety checking module is used for reading the checking code stored in the data packet and judging whether the checking code is modified in the transmission process;
the data integrity checking module is used for reading the contents from the file head at a set position in the data packet to the file end, calculating the hash value of the file contents through a hash function, comparing the hash value with the previously stored hash value, and judging the data integrity;
an error detection module for checking whether an error message is generated during transmission.
4. The cloud car machine system for in-car machine central control according to claim 1, characterized in that: the backup server receives the mirror image file data sent by the remote server, and when the state of the remote server changes, the mirror image file data is actively backed up and sent to the backup server.
5. The cloud car machine system for in-car machine central control according to claim 4, characterized in that: the changing of the state of the remote server comprises: the operating system and the bottom layer software state of the remote server are changed; the operating system state includes a registry, boot files, a registry database, and system volumes.
6. The cloud car machine system for in-car machine central control according to claim 5, characterized in that: the backup server acquires data of the network monitoring module in a set time period, when the access bandwidth in the network monitoring module accounts for more than 70% of the total bandwidth, the backup server sends forwarding information to the remote server, and the remote server forwards a request of newly-added connection to the backup server.
7. The remote access method for the cloud vehicle machine system controlled in the vehicle machine according to claim 6, comprising the following steps:
step 1: setting connection information between a vehicle end and a service end, and setting backup conditions and strategies at the vehicle end;
and 2, step: opening a cloud operating system access inlet in a vehicle end, displaying an interface of the cloud operating system by the vehicle end, clicking an application in a screen, and running the application by the cloud operating system;
and step 3: a remote transmission inspection module at the vehicle end detects the transmitted data packet; firstly, determining the security of a data file through a security check module, and judging whether the data file is modified in the transmission process; secondly, judging whether the data packet is modified or not through a data integrity checking module, and analyzing the information of an error detection module; finally, the analysis result is sent to a vehicle end;
and 4, step 4: the remote server is connected with the backup server in real time through a network, when the access bandwidth accounts for more than 70% of the total bandwidth, the remote server sends forwarding information to the remote server, and the remote server forwards a request of newly-increased connection to the backup server.
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