CN108108201A - USB storage device reorientation method and virtual machine based on RDP agreements - Google Patents
USB storage device reorientation method and virtual machine based on RDP agreements Download PDFInfo
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- CN108108201A CN108108201A CN201711437647.0A CN201711437647A CN108108201A CN 108108201 A CN108108201 A CN 108108201A CN 201711437647 A CN201711437647 A CN 201711437647A CN 108108201 A CN108108201 A CN 108108201A
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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
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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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
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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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
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45579—I/O management, e.g. providing access to device drivers or storage
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Abstract
The present invention relates to field of cloud calculation, provide a kind of USB storage device reorientation method and virtual machine based on RDP agreements, and wherein method includes：Behind login service end, strategy is handled according to the corresponding dynamic of status information addition of USB storage device in the client monitored；Strategy is handled according to the dynamic USB storage device in server-side is redirected or removed.It can solve the problems, such as that system protocol does not support USB storage device hot plug to redirect, meet user and use the demand that can be inserted into, extract at any time during USB storage device.
Description
Technical field
The present invention relates to field of cloud calculation, and in particular to a kind of USB storage device reorientation method based on RDP agreements and
Virtual machine.
Background technology
Cloud desktop technology is the cloud desktop based on data space, mainly by virtualization applications, by high in the clouds resource such as data
The mode that space, management service provide desktop is distributed to each operating terminal.
Although USB storage device can be redirected to remotely by the redirection of USB storage device with having reached in the prior art
Function inside Windows, but underaction, user can only insert the device into terminal before Windows is logged in.If
User is already logged into long-range Windows systems, when being inserted into USB storage device at this time, can not be redirected to remote
Inside journey Windows.However actually use in, this insertion for carrying out USB storage device again after Windows is logged in, extraction,
It the operations such as is inserted into frequently encounter.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of USB storage device reorientation methods based on RDP agreements
And virtual machine, solve the problems, such as USB storage device hot plug redirection.
In order to achieve the above object, the present invention is achieved by the following technical programs：
According to the first aspect of the invention, a kind of USB storage device reorientation method based on RDP agreements is provided, including：
Behind login service end, added according to the status information of USB storage device in the client monitored corresponding
Dynamic handles strategy；
Strategy is handled according to the dynamic USB storage device in server-side is redirected or removed.
Further, the status information addition of USB storage device is corresponding in the client that the basis monitors
Dynamic processing strategy includes：
In response to being inserted into the action of USB storage device, dynamic adds to redirect the interface of USB storage device；
In response to removing the action of USB storage device, dynamic adds to remove the interface of USB storage device.
Further, it is described according to the dynamic handle strategy the USB storage device is redirected in server-side or
It removes, including：
Detect whether the USB storage device has been redirected；
If the USB storage device is not redirected, the equipment management that the USB storage device is added in client arranges
After table server-side is notified to load the USB storage device；
The processing strategy is called, the USB storage device is redirected to server-side；
Wherein, the processing strategy includes dynamic addition for redirecting the interface of USB storage device.
Further, it is described according to the dynamic handle strategy the USB storage device is redirected in server-side or
It removes, including：
Server-side is notified to remove the USB storage device, the USB storages are removed from the equipment management list of client
Equipment；
The processing strategy is called, the USB storage device is removed from server-side；
Wherein, the processing strategy includes dynamic addition for removing the interface of USB storage device.
Further, further include：
Before login service end, when detecting that USB storage device connects client, according to preset configuration file by the USB
Storage device is redirected to server-side.
According to the second aspect of the invention, a kind of virtual machine is provided, including：
Selecting module behind login service end, is believed according to the state of USB storage device in the client monitored
The corresponding dynamic of breath addition handles strategy；
Processing module, for according to the dynamic handle strategy the USB storage device is redirected in server-side or
It removes.
Further, the selecting module includes：
First selecting unit, for the action in response to being inserted into USB storage device, dynamic addition is deposited for redirecting USB
Store up the interface of equipment；
Second selecting unit, for the action in response to removing USB storage device, dynamic addition stores for removing USB
The interface of equipment.
Further, the processing module includes：
Judging unit, for detecting whether the USB storage device has been redirected；
First processing subelement, if be not redirected for the USB storage device, the USB storage device is added
After entering the equipment management list of client server-side is notified to load the USB storage device；
The USB storage device for calling the processing strategy, is redirected to server-side by second processing subelement；
Wherein, the processing strategy includes dynamic addition for redirecting the interface of USB storage device.
Further, the processing module includes：
3rd processing subelement for server-side to be notified to remove the USB storage device, is arranged from the equipment management of client
The USB storage device is removed in table；
For calling the processing strategy, the USB storage device is removed from server-side for fourth process subelement；
Wherein, the processing strategy includes dynamic addition for removing the interface of USB storage device.
Further, further include and pre-set module, it is described to pre-set module, before login service end, detect that USB is deposited
When storing up equipment connection client, the USB storage device is redirected to by server-side according to preset configuration file.
An embodiment of the present invention provides a kind of USB storage device reorientation methods and virtual machine based on RDP agreements.Possess
Following advantageous effect：
The interface for redirecting, deleting by the dynamic monitoring and increase dynamic of USB storage device state, can solve system
The problem of agreement does not support USB storage device hot plug to redirect, meets user and can be inserted at any time using during USB storage device
The demand enter, extracted.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow of the USB storage device reorientation method based on RDP agreements shown in the present invention in an embodiment
Figure.
Fig. 2 is the stream of the USB storage device reorientation method based on RDP agreements shown in the present invention in another embodiment
Cheng Tu.
Fig. 3 is the stream of the USB storage device reorientation method based on RDP agreements shown in the present invention in another embodiment
Cheng Tu.
Fig. 4 is the stream of the USB storage device reorientation method based on RDP agreements shown in the present invention in another embodiment
Cheng Tu.
Fig. 5 is the module frame chart of the virtual machine shown in the present invention in an embodiment.
Fig. 6 is the module frame chart of the virtual machine shown in the present invention in another embodiment.
Fig. 7 is the structure diagram of selecting module in the virtual machine shown in the present invention in an embodiment.
Fig. 8 is the structure diagram of processing module in the virtual machine shown in the present invention in an embodiment.
Fig. 9 is the structure diagram of processing module in the virtual machine shown in the present invention in another embodiment.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts belong to the scope of protection of the invention.
With the continuous application of the correlation techniques such as cloud computing, the direction of computer towards miniaturization, lighting is developed.Remotely
Desktop, the related application of cloud desktop are also increasingly popularized, and the operation of smoothness can be equally capable of in the terminal of miniaturization
Windows operating system reaches the function similar to common computer.The technology has largely saved cost, while
Facilitate management.And FreeRDP is Remote Desktop Protocol (RDP) instrument of a free realization of increasing income, for from
The systems such as Linux, Android, ARM (client) are connected to the remote desktop of Windows (server-side), carry out Window behaviour
Make.User can run into unavoidably when in use to be needed using USB movable storage devices such as USB flash disks.The technology that FreeRDP is provided can be
When login, by the equipment inside command line parameter or specified Windows to be redirected to, if Android systems
System is also similar, first passes through interface before registration and sets equipment to be redirected, is then logged in again by FreeRDP
Windows.The USB storage device that user is inserted on Miniature Terminal in this way is mapped in long-range Windows systems
Face reaches and operates its function.In actual use, if user is already logged into long-range Windows systems, at this time again
When being inserted into USB storage device, can not it be redirected to inside remote Windows.It is this to be carried out again after Windows is logged in
The insertion of USB storage device the operations such as extracts, is inserted into and frequently encounters.
Therefore, the present invention provides a kind of USB storage device reorientation method based on RDP agreements, can be based on RDP agreement branch
USB storage device hot plug after realizing login system is held to redirect.Fig. 1 is shown in an embodiment in the present invention based on RDP
The flow chart of the USB storage device reorientation method of agreement.As shown in Figure 1, the USB storage device weight based on RDP agreements
Orientation method includes：
In a step 101, behind login service end, believed according to the state of USB storage device in the client monitored
The corresponding dynamic of breath addition handles strategy.
In this step, in FreeRDP Telnets Windows operations, the related USB in client real-time monitoring system
The status information in relation to USB storage device such as the carry of storage device and unloading, then by the state in relation to USB storage device
Information is sent to FreeRDP.The insertion for the USB storage device that FreeRDP is detected according to client or removing action judge USB
The state change of storage device is then based on the corresponding carry of status information selection or unloads the processing of USB storage device
Strategy.For example, in Linux (X86, ARM) system peripheral hardware carry information can be inquired about by code timing cycle, therefrom filter out
The information of USB storage device；And then can ACTION_MEDIA_ be broadcasted by monitoring system in android system
MOUNTED, ACTION_MEDIA_EJECT, ACTION_MEDIA_UNMOUNTED determine whether USB storage device state
Variation.It is corresponding, increase dynamic processing strategy after USB storage device state change is detected, in FreeRDP, for dynamic
Processing equipment is redirected deletes with dynamic.Login is nullified in this way, being arrived after increased dynamic processing strategy login remote system
The hot plug action of preceding processing of any moment USB storage device.
In a step 102, handle strategy according to the dynamic USB storage device in server-side is redirected or moved
It removes.
In this step, the processing strategy includes redirecting the interface of USB storage device and depositing for removing USB
Store up the interface of equipment.When client is inserted into USB storage device, call to redirect the interface of USB storage device, by described in
USB storage device is redirected to server-side；When client removes USB storage device, call to remove USB storage device
Interface removes the USB storage device from server-side.
From above-described embodiment, the present invention is increased by the dynamic monitoring and dynamic of USB storage device state to be reset
To, delete interface, can solve the problems, such as system protocol do not support USB storage device hot plug redirect, meeting user makes
With the demand that can be inserted into, extract at any time during USB storage device.
Based on above-described embodiment, the USB storage device reorientation method provided by the invention based on RDP agreements further includes step
Rapid 103.As shown in figure 3, in step 103：Before login service end, when detecting that USB storage device connects client, according to pre-
If the USB storage device is redirected to server-side by configuration file.That is FreeRDP deposits USB before Windows is logged in
When storing up equipment insertion client, by the equipment inside command line parameter or specified Windows to be redirected to, if
Android system is also similar, first passes through interface before registration and sets equipment to be redirected, then passes through FreeRDP again
Log in Windows.In the present embodiment, realizing can be by USB storage device weight before and after FreeRDP logs in Windows
It is directed to Windows ends.
The present invention is further described below by a specific embodiment：
Fig. 3 is the stream of the USB storage device reorientation method based on RDP agreements shown in the present invention in another embodiment
Cheng Tu.As shown in figure 3, when the reorientation method is applied to USB storage device insertion client, including：
In step 301, client monitors are inserted into USB storage device.
Can be used in different system different real-time monitoring USB storage device methods complete USB storage device carry,
Removing action.For example, in Linux (X86, ARM) system carry information can be inquired about by code timing cycle, therefrom filter out
The information of USB storage device；USB storage device state is determined whether by monitoring system broadcast in android system
Variation.
In step 302, system information is sent.
When i.e. client checks the insertion of USB storage device, it is to what FreeRDP sent USB storage device insertion
System information.If FreeRDP is run with independent process, client if, can pass through the processes such as system message, shared drive
Between the mode that communicates inform FreeRDP, convenient for FreeRDP in response to removing the action of USB storage device, dynamic addition is for moving
Except the interface of USB storage device.
In step 303, FreeRDP reception systems information.
In step 304, judge whether USB storage device is redirected, and step 305 is performed if not redirecting, if
It has been redirected that, perform step 308.
In this step, it is necessary to first detect whether the USB storage device has been redirected, repetitive operation, shadow are avoided
User is rung to use.If the USB storage device is not redirected, redirection service is performed.
In step 305, equipment management list is added in.
Within step 306, the USB interface of dynamic addition is called.
If the USB storage device is not redirected, the equipment management that the USB storage device is added in client arranges
Then table notifies server-side to load the USB storage device.FreeRDP calls being set for redirecting USB storages for dynamic addition
The USB storage device is redirected to server-side by standby interface.
In step 307, server-side shows USB device access.
The remote Windows of server-side complete the redirection of USB storage device, and show that USB device accesses.
In step 308, system message is ignored.
Fig. 4 is the stream of the USB storage device reorientation method based on RDP agreements shown in the present invention in another embodiment
Cheng Tu.As shown in figure 4, when the reorientation method is applied to USB storage device removal client, including：
In step 401, client monitors are unloaded to USB storage device.
For example, in Linux (X86, ARM) system unloading information can be inquired about by code timing cycle, therefrom filter out
The information of USB storage device；USB storage device state is determined whether by monitoring system broadcast in android system
Variation.
In step 402, system information is sent.
When i.e. client checks the removal of USB storage device, it is to what FreeRDP sent USB storage device removal
System information.If FreeRDP is run with independent process, client if, can pass through the processes such as system message, shared drive
Between the mode that communicates inform FreeRDP, convenient for FreeRDP in response to removing the action of USB storage device, dynamic addition is for moving
Except the interface of USB storage device.
In step 403, FreeRDP reception systems information.
In step 404, judge whether USB storage device is redirected, and step 405 is performed if not redirecting, if
It has been redirected that, perform step 408.
In this step, it is necessary to first detect whether the USB storage device has been redirected, if the USB is stored
Equipment is not redirected, then without performing response operation.
In step 405, equipment management list is added in.
In a step 406, the USB interface of dynamic addition is called.
If the USB storage device is not redirected, notice server-side removes the USB storage device, from client
Equipment management list in remove the USB storage device, discharge related resource.The USB storage device is added in into client
Equipment management list, then server-side is notified to load the USB storage device.FreeRDP calls that dynamically adds to be used to move
Except the interface of USB storage device, the USB storage device is removed from server-side.
In step 407, server-side shows that USB device is extracted.
The remote Windows of server-side complete the unloading of USB storage device, and show that USB device is extracted.
In a step 408, system message is ignored.
From the foregoing, it will be observed that the present invention is by the dynamic monitoring of USB storage device state and increases dynamic and redirects, deletes
Interface, based on FreeRDP agreements do not support USB storage device hot plug redirect the problem of, user can be met and stored using USB
The demand can be inserted at any time during equipment, extracted.
The present invention also provides a kind of virtual machines of the above-mentioned USB storage device reorientation method based on RDP agreements of correspondence.Figure
5 be the module frame chart of the virtual machine shown in the present invention in an embodiment.As shown in figure 5, the virtual machine, including：
Selecting module 51, behind login service end, according to the state of USB storage device in the client monitored
The corresponding dynamic of information addition handles strategy；
Processing module 52 redirects the USB storage device for handling strategy according to the dynamic in server-side
Or it removes.
It is in another embodiment, described to pre-set module as shown in fig. 6, the virtual machine, which further includes, pre-sets module 53,
Before login service end, when detecting that USB storage device connects client, the USB is stored according to preset configuration file
Device redirection is to server-side.
Further, as shown in fig. 7, the selecting module 51 includes：
First selecting unit 511, for the action in response to being inserted into USB storage device, dynamic adds to redirect USB
The interface of storage device；
Second selecting unit 512, for the action in response to removing USB storage device, dynamic addition is deposited for removing USB
Store up the interface of equipment.
Further, as shown in figure 8, the processing module 52 includes：
Judging unit 521, for detecting whether the USB storage device has been redirected；
First processing subelement 522, if be not redirected for the USB storage device, by the USB storage device
After adding in the equipment management list of client server-side is notified to load the USB storage device；
The USB storage device for calling the processing strategy, is redirected to service by second processing subelement 523
End；
Wherein, the processing strategy includes dynamic addition for redirecting the interface of USB storage device.
Further, as shown in figure 9, the processing module 502 further includes：
3rd processing subelement 524, for server-side to be notified to remove the USB storage device, from the equipment pipe of client
The USB storage device is removed in reason list；
For calling the processing strategy, the USB storage device is removed from server-side for fourth process subelement 525；
Wherein, the processing strategy includes dynamic addition for removing the interface of USB storage device.
The realization process of modules, the function of unit and effect specifically refers to corresponding step in the above method in above device
Rapid realization process, details are not described herein.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, execution the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to foregoing each implementation
Technical solution recorded in example modifies or carries out equivalent substitution to which part technical characteristic；And these modification or
It replaces, the essence of appropriate technical solution is not made to depart from the spirit and scope of various embodiments of the present invention technical solution.
Claims (10)
1. a kind of USB storage device reorientation method based on RDP agreements, which is characterized in that including：
Behind login service end, according to the corresponding dynamic of status information addition of USB storage device in the client monitored
Processing strategy；
Strategy is handled according to the dynamic USB storage device in server-side is redirected or removed.
2. the USB storage device reorientation method based on RDP agreements as described in claim 1, which is characterized in that the basis
The corresponding dynamic processing strategy of the status information addition of USB storage device includes in the client monitored：
In response to being inserted into the action of USB storage device, dynamic adds to redirect the interface of USB storage device；
In response to removing the action of USB storage device, dynamic adds to remove the interface of USB storage device.
3. the USB storage device reorientation method based on RDP agreements as described in claim 1, which is characterized in that the basis
The USB storage device is redirected or removed in server-side by the dynamic processing strategy, including：
Detect whether the USB storage device has been redirected；
If the USB storage device is not redirected, after the USB storage device to be added in the equipment management list of client
Server-side is notified to load the USB storage device；
The processing strategy is called, the USB storage device is redirected to server-side；
Wherein, the processing strategy includes dynamic addition for redirecting the interface of USB storage device.
4. the USB storage device reorientation method based on RDP agreements as described in claim 1, which is characterized in that the basis
The USB storage device is redirected or removed in server-side by the dynamic processing strategy, including：
Server-side is notified to remove the USB storage device, the USB storages are removed from the equipment management list of client and are set
It is standby；
The processing strategy is called, the USB storage device is removed from server-side；
Wherein, the processing strategy includes dynamic addition for removing the interface of USB storage device.
5. the USB storage device reorientation method based on RDP agreements as described in claim 1, which is characterized in that further include：
Before login service end, when detecting that USB storage device connects client, the USB is stored according to preset configuration file
Device redirection is to server-side.
6. a kind of virtual machine, which is characterized in that including：
Selecting module behind login service end, adds according to the status information of USB storage device in the client monitored
Corresponding dynamic is added to handle strategy；
The USB storage device in server-side is redirected or removed for handling strategy according to the dynamic by processing module.
7. virtual machine as claimed in claim 6, which is characterized in that the selecting module includes：
First selecting unit, for the action in response to being inserted into USB storage device, dynamic addition sets for redirecting USB storages
Standby interface；
Second selecting unit, for the action in response to removing USB storage device, dynamic adds to remove USB storage device
Interface.
8. virtual machine as claimed in claim 7, which is characterized in that the processing module includes：
Judging unit, for detecting whether the USB storage device has been redirected；
The USB storage device if be not redirected for the USB storage device, is added in visitor by the first processing subelement
After the equipment management list at family end server-side is notified to load the USB storage device；
The USB storage device for calling the processing strategy, is redirected to server-side by second processing subelement；
Wherein, the processing strategy includes dynamic addition for redirecting the interface of USB storage device.
9. virtual machine as claimed in claim 7, which is characterized in that the processing module includes：
3rd processing subelement, for server-side to be notified to remove the USB storage device, from the equipment management list of client
Remove the USB storage device；
For calling the processing strategy, the USB storage device is removed from server-side for fourth process subelement；
Wherein, the processing strategy includes dynamic addition for removing the interface of USB storage device.
10. virtual machine as claimed in claim 6, which is characterized in that it further includes and pre-sets module, it is described to pre-set module, it uses
Before login service end, when detecting that USB storage device connects client, the USB storages are set according to preset configuration file
It is standby to be redirected to server-side.
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| CN109656757A (en) * | 2018-11-20 | 2019-04-19 | 广东微云科技股份有限公司 | The intelligent diagnosing method of USB device redirection problem |
| CN112631721A (en) * | 2020-12-23 | 2021-04-09 | 湖南麒麟信安科技股份有限公司 | Method, device and storage medium for hot binding of USB (universal serial bus) equipment and virtual machine |
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