CN112714185A - Access seat system - Google Patents
Access seat system Download PDFInfo
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- CN112714185A CN112714185A CN202011609887.6A CN202011609887A CN112714185A CN 112714185 A CN112714185 A CN 112714185A CN 202011609887 A CN202011609887 A CN 202011609887A CN 112714185 A CN112714185 A CN 112714185A
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- receiving box
- sub
- target device
- sub receiving
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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
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
Abstract
An access seat system relates to the field of seat systems. The main receiving box is connected with the sub receiving box, the sub receiving box is connected with the target device, data and pictures of the target device are transmitted to the sub receiving box through RDP (remote desktop protocol) link to be displayed and controlled, the main receiving box comprises a control page used for inputting IP (Internet protocol) information of the sub receiving box, after a user confirms the IP information, the main receiving box transmits a command for switching a remote desktop to the corresponding sub receiving box, and after the sub receiving box receives the command, the sub receiving box switches a remote desktop process and transmits desktop data of the target device to the sub receiving box through the RDP link; the invention reduces the introduction of intermediate equipment, thereby reducing the hardware cost; signal transmission lines of the display card are reduced, and only a network is required to be connected, so that the physical equipment can be more flexibly and conveniently deployed; meanwhile, virtual machine access which cannot be achieved by a conventional agent is achieved, and the maintenance cost of the equipment is reduced.
Description
Technical Field
The invention relates to the field of seat systems, in particular to an access seat system.
Background
The existing easy-control seat equipment does not have a mode of accessing to a target equipment through RDP (remote desktop protocol), but converts RGB data into YUV4:2:2 or YUV4:2:0 data through the mode of intercepting video card data and coding of intermediate equipment, and then transmits the YUV4:2:2 or YUV4:2:0 data to decoding equipment through a H.264/H.265 coding mode to display pictures.
This approach involves multiple transcoding and encoding and decoding, via multiple device nodes; in the process, no matter coding and decoding or network transmission, the processing of each link needs time loss.
Disclosure of Invention
The present invention is directed to overcoming at least one of the deficiencies of the prior art as set forth above and providing an access agent system that reduces the introduction of intermediate devices over a physical connection.
The technical scheme adopted by the invention is that,
an access agent system comprises a main receiving box, a sub receiving box and a target device, wherein the main receiving box is connected with the sub receiving box, the sub receiving box is connected with the target device, data and pictures of the target device are transmitted to the sub receiving box through RDP (remote data protocol) link for displaying and controlling, the main receiving box comprises a control page for inputting IP (Internet protocol) information of the sub receiving box, after a user confirms the IP information, the main receiving box transmits a command for switching a remote desktop to the corresponding sub receiving box, and after receiving the command, the sub receiving box switches a remote desktop process and transmits desktop data of the target device to the sub receiving box through the RDP link.
The original seat system uses the layout of 1 main receiving box and a plurality of sub receiving boxes, and under the condition of not transplanting a desktop manager, the frame buffer of the same receiving box can only be occupied by one process, so that a control menu of the seat system and the desktop manager can not run simultaneously; according to the situation, the main receiving box is adopted to control the sub receiving box to switch the strategy of the desktop process and the seat control menu process, namely RDP link, so that RDP picture access is realized; compared with the RDP client of the target equipment terminal, the invention has the advantages of miniaturization and integration, and the integration advantage refers to the fact that the access mode of the seat system can be expanded, so that the functions of the seat system are richer; an extension scheme can also be that various command keys are arranged on the main receiving box to realize the operation transmission of commands, such as startup and shutdown, starting switching commands and the like, and a connecting keyboard can also realize the design of the main control main receiving box.
As an optional implementation manner, the control page is further used for inputting an IP address, a user name and a password thereof of the target device.
In the RDP link, one main component of the link is IP information, the setting of the IP information corresponds to the setting of the sub receiving box and the target equipment, namely, the management of the RDP link is realized by selecting the IP of the sub receiving box, the IP address of the target equipment, and the corresponding user name and the user name password.
As an optional implementation manner, the main receiving box and the sub receiving box are provided with control ports, the control ports are used for transmitting the command, and after receiving the command, the sub receiving box ends the current menu process, starts the remote desktop process, and links the target device through RDP.
As an alternative embodiment, the sub receiving box is provided with a virtual input device; the desktop data comprises input equipment information, and the main receiving box and the sub receiving box are both provided with KVM service modules for transmitting the input equipment information.
As an alternative embodiment, the input device information is keyboard and mouse information.
As an optional implementation manner, the system calls an X server to manage a graphical interface, and the KVM service module is started in the sub-receiving box, and is configured to receive and write keyboard and mouse information sent by the main receiving box into the virtual input device, capture the keyboard and mouse information of the virtual input device, and implement RDP keyboard and mouse access.
The seat system provided by the invention is provided with a mouse roaming function, namely, a mouse can carry out seamless connection control on signals across a plurality of receiving boxes, when the used project technology cannot be directly used, such as X-Server and rdesktop obtained from an open source website, the source code of the mouse needs to be modified to a certain extent, and the strategy of virtual input equipment is adopted to realize control.
As an alternative embodiment, the system adopts an embedded Linux system.
As an alternative embodiment, the Linux system calls an X server which comprises the Tiny-X, and the embedded Linux system only transplants the Tiny-X.
As an alternative embodiment, the protocol resolution of the system selects the selected open source item as rdesktop.
The embedded linux system used by the agent system needs a set of platform capable of managing a graphical interface, wherein the X-Server is selected, and only the Tiny-X of the X-Server is transplanted due to the limited performance resources of the embedded platform, while the open source project selected in the aspect of protocol analysis is rdesktop, because the project is stable and supports the latest RDP 8.1; the selected projects are open sources and free, so that intellectual property disputes do not exist, and the production and sale cost of the seat system can be saved to the greatest extent.
As an optional implementation manner, a switch is included, the main receiving box and the plurality of sub receiving boxes are in network signal connection through the switch, and the switch is connected to the target device.
Compared with the prior art, the invention has the beneficial effects that:
on the physical connection, the introduction of intermediate equipment is reduced, so that the hardware cost is reduced; the connection mode is simplified, the signal transmission lines of the display card are reduced, and the target equipment only needs to be connected with a network, so that the physical equipment deployment mode is more flexible and convenient; meanwhile, virtual machine access which cannot be achieved by a conventional agent is realized, and the maintenance cost of equipment is reduced;
compared with a mobile cloud desktop scheme that Libvirt API calls Qemu-KVM, the method has the advantages that the response speed is higher by using the RDP protocol of Microsoft and comparing with VNC; the signal access mode of the easily controlled 2000 seat system can be increased; compared with a mobile phone, a tablet and a computer, the rdesktop client can run in an embedded device with lower performance.
Drawings
Fig. 1 is a structural comparison diagram of the seat system of the present invention and a conventional seat system.
Fig. 2 is a view showing a structure of a one-to-many receiving box according to the present invention.
Fig. 3 is a block diagram of a specific connection of the receiving box of the present invention.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in figure 1 of the drawings, in which,
an access agent system comprises a main receiving box, a sub receiving box and a target device, wherein the main receiving box is connected with the sub receiving box, the sub receiving box is connected with the target device, data and pictures of the target device are transmitted to the sub receiving box through RDP (remote data protocol) link for displaying and controlling, the main receiving box comprises a control page for inputting IP (Internet protocol) information of the sub receiving box, after a user confirms the IP information, the main receiving box transmits a command for switching a remote desktop to the corresponding sub receiving box, and after receiving the command, the sub receiving box switches a remote desktop process and transmits desktop data of the target device to the sub receiving box through the RDP link.
The original seat system uses the layout of 1 main receiving box and a plurality of sub receiving boxes, and under the condition of not transplanting a desktop manager, the frame buffer of the same receiving box can only be occupied by one process, so that a control menu of the seat system and the desktop manager can not run simultaneously; according to the situation, the main receiving box is adopted to control the sub receiving box to switch the strategy of the desktop process and the seat control menu process, namely RDP link, so that RDP picture access is realized; compared with the RDP client of the target equipment terminal, the invention has the advantages of miniaturization and integration, and the integration advantage refers to the fact that the access mode of the seat system can be expanded, so that the functions of the seat system are richer; an extension scheme can also be that various command keys are arranged on the main receiving box to realize the operation transmission of commands, such as startup and shutdown, starting switching commands and the like, and a connecting keyboard can also realize the design of the main control main receiving box.
As an optional implementation manner, the control page is further used for inputting an IP address, a user name and a password thereof of the target device.
In the RDP link, one main component of the link is IP information, the setting of the IP information corresponds to the setting of the sub receiving box and the target equipment, namely, the management of the RDP link is realized by selecting the IP of the sub receiving box, the IP address of the target equipment, and the corresponding user name and the user name password.
As an optional implementation manner, the main receiving box and the sub receiving box are provided with control ports, the control ports are used for transmitting the command, and after receiving the command, the sub receiving box ends the current menu process, starts the remote desktop process, and links the target device through RDP.
As an alternative embodiment, the sub receiving box is provided with a virtual input device; the desktop data comprises input equipment information, and the main receiving box and the sub receiving box are both provided with KVM service modules for transmitting the input equipment information.
As an alternative embodiment, the input device information is keyboard and mouse information.
As an optional implementation manner, the system calls an X server to manage a graphical interface, and the KVM service module is started in the sub-receiving box, and is configured to receive and write keyboard and mouse information sent by the main receiving box into the virtual input device, capture the keyboard and mouse information of the virtual input device, and implement RDP keyboard and mouse access.
The seat system provided by the invention is provided with a mouse roaming function, namely, a mouse can carry out seamless connection control on signals across a plurality of receiving boxes, when the used project technology cannot be directly used, such as X-Server and rdesktop obtained from an open source website, the source code of the mouse needs to be modified to a certain extent, and the strategy of virtual input equipment is adopted to realize control.
As an alternative embodiment, the system adopts an embedded Linux system.
As an alternative embodiment, the Linux system calls an X server which comprises the Tiny-X, and the embedded Linux system only transplants the Tiny-X.
As an alternative embodiment, the system protocol resolves the selected open source item to rdesktop.
The embedded linux system used by the agent system needs a set of platform capable of managing a graphical interface, wherein the X-Server is selected, and only the Tiny-X of the X-Server is transplanted due to the limited performance resources of the embedded platform, while the open source project selected in the aspect of protocol analysis is rdesktop, because the project is stable and supports the latest RDP 8.1; the selected projects are open sources and free, so that intellectual property disputes do not exist, and the production and sale cost of the seat system can be saved to the greatest extent.
As an optional implementation manner, a switch is included, the main receiving box and the plurality of sub receiving boxes are in network signal connection through the switch, and the switch is connected to the target device.
Specifically, as shown in fig. 2, a plurality of sub receiving boxes are connected to the main receiving box, the main receiving box is connected to an input device, i.e., a keyboard and mouse, and data transmission between the main receiving box and the sub receiving boxes is realized through the switch, wherein a connection line between the switch, the main receiving box and the sub receiving boxes is a network signal line, and a connection line between the main receiving box and the keyboard and mouse is a data cable or is connected through a wireless technology, such as bluetooth, and the like;
as shown in fig. 3, the main receiving box and the sub receiving box are provided with control ports connected through a network signal line, the main receiving box is provided with a main agent menu, the sub receiving box is provided with a sub agent menu, the main agent menu is used for sending a command for switching a remote desktop to the control ports, the control ports are used for transmitting the command to the sub receiving box, and the sub receiving box is switched to a remote desktop process from the sub agent menu after receiving the command;
when the target device is a PC, the PC and the receiving box are connected in a manner that only: the PC and the transmitting box are connected through the HDMI cable, the transmitting box is connected with the main receiving box and the plurality of sub receiving boxes through network signal cables under the condition of the same local area network, and the receiving box does not need to be further connected at the PC end;
and when the keyboard and mouse device sends USB data to the main receiving box, the main receiving box starts a KVM service module, sends the USB data to the KVM received by the sub receiving box through the network signal line, writes the KVM data into the virtual input device, and captures the information of the virtual input device by modifying the keyboard and mouse drive in the X server to achieve the effect that the keyboard and mouse are connected with the target device.
The invention reduces the introduction of intermediate equipment on the physical connection, thereby reducing the hardware cost; the connection mode is simplified, the signal transmission lines of the display card are reduced, and the target equipment only needs to be connected with a network, so that the physical equipment deployment mode is more flexible and convenient; meanwhile, virtual machine access which cannot be achieved by a conventional agent is achieved, and the maintenance cost of the equipment is reduced.
Comparing a mobile cloud desktop scheme of calling Qemu-KVM by Libvirt API, using a Microsoft RDP protocol, and comparing a signal access mode of a VNC2000 seat system; compared with a mobile phone, a tablet and a computer, the rdesktop client can run in an embedded device with lower performance.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.
Claims (9)
1. An access agent system comprises a main receiving box, a sub receiving box and a target device, wherein the main receiving box is connected with the sub receiving box, the sub receiving box is connected with the target device, and data and pictures of the target device are transmitted to the sub receiving box for display and control through RDP (remote data protocol) link.
2. An access agent system according to claim 1, wherein the control page is further configured to input an IP address, a user name and a password thereof for the target device.
3. An access agent system according to claim 1, wherein the main receiving box and the sub receiving box are provided with control ports for transmitting the command, and after receiving the command, the sub receiving box ends the current menu process, starts the remote desktop process and links the target device through RDP.
4. An access agent system according to claim 1, wherein the sub receiving box is provided with a virtual input device; the desktop data comprises input equipment information, and the main receiving box and the sub receiving box are both provided with KVM service modules for transmitting the input equipment information.
5. An access agent system according to claim 4, wherein the input device information is keyboard and mouse information.
6. The access agent system according to claim 5, wherein the system calls an X server for managing a graphical interface, and the KVM service module is started in the sub-receiving box for receiving and writing keyboard and mouse information sent by the main receiving box into the virtual input device, and capturing the keyboard and mouse information of the virtual input device to realize RDP keyboard and mouse access.
7. An access agent system according to claim 1, characterised in that the system employs an embedded Linux system.
8. An access agent system according to claim 1, wherein the protocol resolution of the system is selected from the group consisting of rdesktop, rdeskt.
9. An access agent system according to any one of claims 1 to 8, comprising a switch, wherein the main receiver box and the plurality of sub-receiver boxes are in network signal connection via the switch, and the switch is connected to the target device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011609887.6A CN112714185B (en) | 2020-12-30 | 2020-12-30 | Access seat system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011609887.6A CN112714185B (en) | 2020-12-30 | 2020-12-30 | Access seat system |
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| CN112714185A true CN112714185A (en) | 2021-04-27 |
| CN112714185B CN112714185B (en) | 2022-03-18 |
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