CN102854974B - Virtual input device is driving implementation method and the system thereof of layer - Google Patents
Virtual input device is driving implementation method and the system thereof of layer Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000033001 locomotion Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 230000000873 masking effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 241000699666 Mus <mouse, genus> Species 0.000 description 32
- 230000006870 function Effects 0.000 description 20
- 101100155204 Mus musculus Ubl5 gene Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 241000699660 Mus musculus Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- G06F13/10—Program control for peripheral devices
- G06F13/105—Program control for peripheral devices where the programme performs an input/output emulation function
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Abstract
The invention discloses a kind of virtual input device and driving implementation method and the system thereof of layer, the method comprises: calling system application programming interface creates virtual input device, mount virtual input equipment on driving layer; The function address of system input device is recorded in the device extension structure of virtual input device, with the function address making driving layer automatically obtain system input device; Obtain the input data structure body that application layer sends to virtual input device; Drive layer according to the device extension structure recorded in virtual input device, use the input data structure body obtained to control the behavior of virtual input device.By the present invention, achieve the effect controlling virtual input device when software masking virtual input device message.
Description
Technical field
The present invention relates to computer realm, particularly relate to a kind of virtual input device and driving implementation method and the system thereof of layer.
Background technology
Under Windows 2000 system, nearly all I/O is Packet driven, each work order describes an independent I/O operation, this order tells that driver needs to do assorted one, and the progress of request is followed the tracks of by I/O subsystem, these orders are encapsulated into input request bag (Iuput RequestPackage, be called for short IRP) form, (such as create file when sending an I/O system service or read the request of file), I/O manager will describe the IRP of this request by structure one, and this IRP pointer is passed to device drives start to process this request.If OS intactly describes an I/O request to I/O manager and device drives, the information of so preserving in IRP just can reach this object.
It is exactly an intermediate drivers intercepting the request of some existing software modules that filtering layer drives, and the request that relies on arrives target front intercepting and capturing request, the function that the original receivers that filtration drive just has an opportunity to expand or amendment is asked provides or service.
Windows discloses some application programming interface (Application ProgrammingInterface is called for short API) function, reaches the control to mouse and keyboard by the mechanism calling these API or transmission message.
In application scenes, under such as repairing the scenes such as automation projects, software installation unloading automation projects, vestige cleaning automation projects in system, some software in order to prevent from being utilized or illegally cracking or online game for control inputs speed and anti-plug-in object, they can filter common mouse and keyboard API, thus causing the interface that cannot operate them from application layer, common mouse beacon and the api function of keyboard are all invalid.
For the problems referred to above, a solution of the prior art is by the direct mouse beacon of WinIo software package and keyboard hardware port.WinIo is a present popular third party library; by loading the device driver of a kernel mode; utilize several programming on bottom layer skill, window application directly can be accessed I/O port and physical memory, thus walked around the protection mechanism of Windows system.WinIo contains 3 files: WinIo.dll, WinIo.sys and WINIO.VXD, wherein WINIO.VXD driver is used in Win95/98 system, WinIo.sys driver is used in WinNT/2000/XP system, and WinIo.dll provides calling of power function.In WinIo.dll, having two functions most important: InitializeWinIo is used for the driver of initialization WinIo, must call this function before calling other power functions all; ShutdownWinIo is used for unloading the driver of WinIo, before stopping utility function or no longer need to call when using WinIo.
But, when use WinIO sends data to mouse or keyboard, the support of hardware (computer must insert PS2 mouse) must be had; There is the problem of efficiency to serial ports direct read/write data, and there is serial data stationary problem.If have sent 100 data in 1 second continuously, possible serial ports real response only have 10 data, so just there is synchronous problem.WINIO directly sends data to physics mouse, but when program sends data, artificial also can operate physics mouse or keyboard, so just likely causes data corruption, occurs the effect of the effect that mouse flooding flies or typing character mistake.
In sum, cause problem that is uncontrollable or keyboard for when shielding mouse beacon or the api function of keyboard, in prior art, not yet propose solution effectively.
Summary of the invention
Because cause the problem of uncontrollable or keyboard when shielding mouse beacon or the api function of keyboard and make the present invention, fundamental purpose of the present invention is to provide a kind of virtual input device driving implementation method and the system thereof of layer for this reason, wherein:
For solving the problem, the invention provides a kind of virtual input device in the implementation method driving layer, comprising:
Calling system application programming interface API creates virtual input device, virtual input device described in carry on driving layer;
The function address of system input device is recorded in the device extension structure of described virtual input device, with the function address making driving layer automatically obtain system input device;
Obtain the input data structure body that application layer sends to described virtual input device;
Described driving layer, according to the device extension structure recorded in virtual input device, uses the input data structure body obtained to control the behavior of virtual input device.
Wherein, described device extension structure, can comprise: the positional information of the port address of the attribute of system input device, the driving address of connected system input equipment, system input device, the residing device stack of this driving, and/or the address of institute's carry equipment.
Wherein, described input data structure body, can comprise: the coordinate of the key of keyboard, keyboard behavior, mouse, the push-button type of mouse, the click behavior of mouse, the rolling unit amount of mouse roller and/or mouse motion track.
Wherein, the device extension structure of described virtual input device can generate in the process creating described virtual input device.
Wherein, described acquisition application layer sends to the step of the input data structure body of described virtual input device, can comprise:
Obtain the input request bag IRP that application layer is sent to the described virtual input device of control driving layer;
Resolve the input data structure body that described IRP obtains described virtual input device.
Wherein, described acquisition application layer is sent to the step of the IRP of the described virtual input device of control driving layer, can comprise:
Create opertaing device object CDO;
Described CDO acquisition application layer is utilized to be sent to the IRP of the described virtual input device of control driving layer.
The step of the behavior of described control virtual input device, can comprise: carry out readjustment by device extension structure to input data structure body and realize controlling.
The present invention and then also a kind of virtual input device realize system driving layer, comprising:
Virtual input device creation module, creates virtual input device for calling system application programming interface API, virtual input device described in carry on driving layer;
Logging modle, for being recorded in the device extension structure of described virtual input device by the function address of system input device, with the function address making driving layer automatically obtain system input device;
Acquisition module, sends to the input data structure body of described virtual input device for obtaining application layer;
Control module, for described driving layer according to the device extension structure recorded in virtual input device, uses the input data structure body obtained to control the behavior of virtual input device.
Wherein, described device extension structure, can comprise: the positional information of the port address of the attribute of system input device, the driving address of connected system input equipment, system input device, the residing device stack of this driving, and/or the address of institute's carry equipment.
Wherein, described input data structure body, can comprise: the coordinate of the key of keyboard, keyboard behavior, mouse, the push-button type of mouse, the click behavior of mouse, the rolling unit amount of mouse roller and/or mouse motion track.
Wherein, the device extension structure of described virtual input device can generate in the process creating described virtual input device.
Wherein, described acquisition module, can comprise:
IRP acquiring unit, is sent to the input request bag IRP of the described virtual input device of control driving layer for obtaining application layer;
Resolution unit, obtains the input data structure body of described virtual input device for resolving described IRP.
Wherein, described IRP acquiring unit, creates opertaing device object CDO, utilizes described CDO acquisition application layer to be sent to the IRP of the described virtual input device of control driving layer.
Wherein, described control module, carries out readjustment by device extension structure to input data structure body and realizes controlling.
To sum up, according to technique scheme of the present invention, also can control virtual input device when software masking virtual input device message, effectively prevent the restriction of software, and it be high to have performance accuracy, fireballing feature.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is driving the process flow diagram of implementation method of layer according to the virtual input device of the embodiment of the present invention;
Fig. 2 is driving the structured flowchart of the system that realizes of layer according to the virtual input device of the embodiment of the present invention;
Fig. 3 is driving the block diagram of preferred structure of the system that realizes of layer according to the virtual input device of the embodiment of the present invention.
Embodiment
Self-defined IRP in the program that the present invention utilizes application layer to send, then drives this IRP of these intercepting and capturing, by analysis this IRP, and utilizes the output control virtual input device after analyzing, and making can not by the restriction of windows API to the control of virtual input device.Need to illustrate, the virtual input device mentioned in the present invention includes but not limited to following equipment: virtual mouse, dummy keyboard, virtual drive, virtual hard disk.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
According to embodiments of the invention, provide a kind of virtual input device in the implementation method driving layer.
Fig. 1 is driving the process flow diagram of implementation method of layer according to the virtual input device of the embodiment of the present invention, and as shown in Figure 1, the method comprises (step S12-S18):
Step S12, calling system application programming interface (API) creates virtual input device, mount virtual input equipment on driving layer.
Step S14, is recorded to the function address of system input device in the device extension structure of virtual input device, with the function address making driving layer automatically obtain system input device.Wherein, the device extension structure of this virtual input device includes but not limited to: the positional information of the port address of the attribute of system input device, the driving address of connected system input equipment, system input device, the residing device stack of this driving, and/or the address of institute's carry equipment.
First, in AddDevice routine, calling system API creates virtual input device, the virtual input device of establishment is mounted on system input device, and the information of register system input equipment is in the device extension structure of the virtual input device created, some characteristics driven according to these acquisition of information first floor system input equipments are for driving layer.Then, the IRP_MJ_INTERNAL_DEVICE_CONTROL of response virtual input device, and the pointer of some data structures in system input device (i.e. the function pointer of first floor system input equipment) is recorded in the device extension structure of the virtual input device of establishment, wherein, the pointer of data structure is the function interface address realized at system equipment for driving layer to call.
In driving, equipment is the structure of layering.Actual input equipment (such as: mouse) belongs to orlop (i.e. underlying device), and it created by operating system; And the virtual input device driving layer to create is the upper strata in underlying device, so on the input equipment that just virtual input device created out can be mounted to system creation when creating virtual input device, like this with regard to a formation device stack.
Need to illustrate, when creating virtual input device, not relying on actual hardware input equipment and whether existing and the type of hardware input equipment.Such as: when creating virtual mouse and dummy keyboard, no matter whether computer is provided with mouse and keyboard, also no matter the type of mouse and keyboard is USB or PS2, does not affect the establishment of virtual mouse and dummy keyboard.
Step S16, obtains the input data structure body that application layer sends to virtual input device.
Particularly, step S16 comprises: call Windows and drive the API in kit to create an opertaing device object (Control Device Object is called for short CDO).In actual applications, application layer can send a lot of IRP by system API to driving layer, utilizes the CDO created to obtain the IRP that application layer is sent to the control virtual input device driving layer, resolves the input data structure body that this IRP obtains virtual input device.
Step S18, drives layer according to the device extension structure recorded in virtual input device, uses the input data structure body obtained to control the behavior of virtual input device.
According to the input data structure body of resolving the virtual input device obtained, construct the input data structure body (data structure) driving layer to identify, such as: for virtual mouse, obtain data structure MOUSE_INPUT_DATA; For dummy keyboard, obtain data structure KEYBOARD_INPUT_DATA.Carry out readjustment by device extension structure to input data structure body to realize controlling, and return actual result.
The input data structure body that the driving layer introducing structure in detail below can identify, specifically comprises:
(1) structure used in mouse or keyboard communication process:
USHORT MakeCode; The scan code of // specified button
USHORT Flags; // key set code, that namely press is what key, such as A, B, ESC, space bar etc.
USHORT Flagsx; // mark move mode, relative movement is still definitely mobile
USHORT ButtonFlags; // mark is left mouse button pressing, and left button is upspring, and right button is pressed, and right button is upspring etc.
USHORT ButtonData; // specify mouse roller to roll how many units
LONG LastX; // specify X-axis absolute coordinates or relative coordinate
LONG LastY; // specify Y-axis absolute coordinates or relative coordinate
(2) structure used in mouse action process:
USHORT Type; / * mouse action type, 0: mobile, 1: button, 2: roller, 3: mobile (support extended screen)
USHORT SimulateType; The algorithm adopted when // simulation is mobile, 0:Simple, 1:Line, 2:Adjust, 3:Fast
USHORT AxisFlag; // 0: relative coordinate, 1: relative coordinate
Int x; // coordinates of targets
Int y; // coordinates of targets
USHORT ButtonType; / * 0: press and eject independent simulation, 1: press and eject and simulate simultaneously, and can indicate how many buttons press simultaneously */
USHORT ButtonFlags; Mark is left mouse button pressing, and left button is upspring, and right button is pressed, and right button is upspring etc.
Short int Count; / * rolling quantity, above rolls: positive number; Under roll: negative */
By describing above and can finding out, the present invention can create virtual input device and make the virtual input device creating out can Reality simulation equipment operating.When creating virtual mouse, its operation has following characteristics:
(1) sensitivity of movement is higher, can be as accurate as a mobile pixel;
(2) mouse move mode can be absolute coordinates and relative coordinate;
(3) operation of mouse can support extended screen;
(4) can specify the track of movement, can be the movement settled at one go, also can be the movement of multistep, or even along certain curve movement.
By the above embodiment of the present invention, also can control empty input when software masking virtual input device message and propose standby, effectively prevent the restriction of software, and it be high to have performance accuracy, fireballing feature.
According to embodiments of the invention, additionally provide a kind of virtual input device drive layer realize system.
Fig. 2 is driving the structured flowchart of the system that realizes of layer according to the virtual input device of the embodiment of the present invention, and as shown in Figure 2, this system comprises: virtual input device creation module 10, logging modle 20, acquisition module 30, control module 40.
Virtual input device creation module 10 creates virtual input device for calling system API, mount virtual input equipment on driving layer.
Logging modle 20 for the function address of system input device is recorded in the device extension structure of virtual input device, with the function address making driving layer automatically obtain system input device.The device extension construction of this virtual input device creates in the process of virtual input device and generates.Wherein, device extension structure includes but not limited to: the positional information of the port address of the attribute of system input device, the driving address of connected system input equipment, system input device, the residing device stack of this driving, and/or the address of institute's carry equipment.
Acquisition module 30 sends to the input data structure body of virtual input device for obtaining application layer.In a particular application, input data structure body includes but not limited to: the coordinate of the key of keyboard, keyboard behavior, mouse, the push-button type of mouse, the click behavior of mouse, the rolling unit amount of mouse roller and mouse motion track.
As shown in Figure 3, acquisition module 30 comprises further: IRP acquiring unit 32 and resolution unit 34.IRP acquiring unit is sent to the input request bag IRP of the control virtual input device driving layer for obtaining application layer.Particularly, IRP acquiring unit creates opertaing device object CDO, utilizes CDO acquisition application layer to be sent to the IRP of the control virtual input device driving layer.Resolution unit 34 obtains the input data structure body of virtual input device for resolving IRP.
Control module 40, for driving layer according to the device extension structure recorded in virtual input device, uses the input data structure body obtained to control the behavior of virtual input device.Control module 40 is carried out readjustment by device extension structure to input data structure body and is realized controlling.
To sum up, according to technique scheme of the present invention, also can control virtual input device when software masking virtual input device message, effectively prevent the restriction of software, and it be high to have performance accuracy, fireballing feature; In addition, the present invention has well good compatibility row, can compatible multiple versions from windows2000 to win7.
The foregoing is only embodiments of the invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (14)
1. virtual input device is driving an implementation method for layer, it is characterized in that, comprising:
Calling system application programming interface API creates virtual input device, virtual input device described in carry on driving layer;
The function address of system input device is recorded in the device extension structure of described virtual input device, with the function address making driving layer automatically obtain system input device;
Obtain the input data structure body that application layer sends to described virtual input device;
Described driving layer, according to the device extension structure recorded in virtual input device, uses the input data structure body obtained to control the behavior of virtual input device.
2. the method for claim 1, it is characterized in that, described device extension structure, comprise: the positional information of the port address of the attribute of system input device, the driving address of connected system input equipment, system input device, the residing device stack of this driving, and/or the address of institute's carry equipment.
3. the method for claim 1, it is characterized in that, described input data structure body, comprising: the coordinate of the key of keyboard, keyboard behavior, mouse, the push-button type of mouse, the click behavior of mouse, the rolling unit amount of mouse roller and/or mouse motion track.
4. the method for claim 1, is characterized in that, the device extension construction of described virtual input device creates in the process of described virtual input device and generates.
5. the method for claim 1, is characterized in that, described acquisition application layer sends to the step of the input data structure body of described virtual input device, comprising:
Obtain the input request bag IRP that application layer is sent to the described virtual input device of control driving layer;
Resolve the input data structure body that described IRP obtains described virtual input device.
6. method according to claim 5, is characterized in that, described acquisition application layer is sent to the step of the IRP of the described virtual input device of control driving layer, comprising:
Create opertaing device object CDO;
Described CDO acquisition application layer is utilized to be sent to the IRP of the described virtual input device of control driving layer.
7. the method for claim 1, is characterized in that, the step of the behavior of described control virtual input device, comprising: carry out readjustment by device extension structure to input data structure body and realize controlling.
8. virtual input device drive layer realize a system, it is characterized in that, comprising:
Virtual input device creation module, creates virtual input device for calling system application programming interface API, virtual input device described in carry on driving layer;
Logging modle, for being recorded in the device extension structure of described virtual input device by the function address of system input device, with the function address making driving layer automatically obtain system input device;
Acquisition module, sends to the input data structure body of described virtual input device for obtaining application layer;
Control module, for described driving layer according to the device extension structure recorded in virtual input device, uses the input data structure body obtained to control the behavior of virtual input device.
9. system as claimed in claim 8, it is characterized in that, described device extension structure, comprise: the positional information of the port address of the attribute of system input device, the driving address of connected system input equipment, system input device, the residing device stack of this driving, and/or the address of institute's carry equipment.
10. system as claimed in claim 8, it is characterized in that, described input data structure body, comprising: the coordinate of the key of keyboard, keyboard behavior, mouse, the push-button type of mouse, the click behavior of mouse, the rolling unit amount of mouse roller and/or mouse motion track.
11. systems as claimed in claim 8, it is characterized in that, the device extension construction of described virtual input device creates in the process of described virtual input device and generates.
12. systems as claimed in claim 8, it is characterized in that, described acquisition module, comprising:
IRP acquiring unit, is sent to the input request bag IRP of the described virtual input device of control driving layer for obtaining application layer;
Resolution unit, obtains the input data structure body of described virtual input device for resolving described IRP.
13. systems according to claim 12, is characterized in that, described IRP acquiring unit, create opertaing device object CDO, utilize described CDO acquisition application layer to be sent to the IRP of the described virtual input device of control driving layer.
14. systems as claimed in claim 8, is characterized in that, described control module, carry out readjustment realize controlling by device extension structure to input data structure body.
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| CN201510508677.0A CN105095121B (en) | 2011-06-30 | 2011-06-30 | Implementation method and its system of the virtual input device in driving layer |
| CN201110181465.8A CN102854974B (en) | 2011-06-30 | 2011-06-30 | Virtual input device is driving implementation method and the system thereof of layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105095121B (en) * | 2011-06-30 | 2017-12-26 | 北京奇虎科技有限公司 | Implementation method and its system of the virtual input device in driving layer |
| CN103577222A (en) * | 2013-10-17 | 2014-02-12 | 北京奇虎科技有限公司 | Method and device for identifying memory card in mobile terminal |
| CN103605430A (en) * | 2013-12-03 | 2014-02-26 | 深圳雷柏科技股份有限公司 | Method and device for simulating keyboard input |
| CN104822091B (en) * | 2015-04-29 | 2016-08-24 | 努比亚技术有限公司 | Video playback progress monitoring method, device and mobile terminal |
| CN106896956B (en) * | 2017-01-18 | 2019-11-05 | 长沙湘计海盾科技有限公司 | The implementation method of multi-point touch under one kind " road " system |
| CN108304131B (en) * | 2018-01-09 | 2019-10-25 | 武汉斗鱼网络科技有限公司 | Keyboard optimized treatment method, storage medium, electronic equipment and system |
| CN109542303A (en) * | 2018-11-02 | 2019-03-29 | 北京硬壳科技有限公司 | Touch control device and its response method, device |
| CN113490292B (en) * | 2021-07-16 | 2023-04-28 | 联想(北京)有限公司 | Communication processing method and electronic equipment |
| CN116328290A (en) * | 2023-05-22 | 2023-06-27 | 安徽海马云科技股份有限公司 | Method and device for realizing online fight of cloud game, storage medium and electronic equipment |
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| CN1517744A (en) * | 2003-01-17 | 2004-08-04 | 财团法人工业技术研究院 | Device and method for generating virtual keyboard/display |
| CN101079021A (en) * | 2006-05-25 | 2007-11-28 | 英华达(上海)电子有限公司 | Combined keyboard for electronic product, and the keyboard input method and mobile phone using same |
| CN102063183A (en) * | 2011-02-12 | 2011-05-18 | 深圳市亿思达显示科技有限公司 | Virtual input device of grove type |
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| CN105095121B (en) | 2017-12-26 |
| CN102854974A (en) | 2013-01-02 |
| CN105095121A (en) | 2015-11-25 |
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