CN104008040B - The long-time automatic testing method playing keyboard game on a kind of computer - Google Patents

Abstract

On a kind of computer, the long-time automatic testing method playing keyboard game, comprises the following steps: 1) create a DLL, the inside realizes the Hook Function of overall situation HOOK module, and derives this function interface；2) api function using Windows system installs hook；3) hook detection is carried out, process is as follows: 3.1) read, every the time interval set, the current record of keys table that overall situation HOOK module is safeguarded, two-dimensional state the exterior and the interior in the conversion of current record of keys table takes the time period arriving current time sometime, calculates the number of taps of each button in this time period；3.2) the state value sum in button number of taps is the section at this moment of every a line, forms rectangular histogram, calculates root variance d of this scattergram, when root variance d is more than predetermined threshold value, it is determined that current state is the object for appreciation game behavior of computer user.The scope of application of the present invention is wider, reliability is good.

Description

The long-time automatic testing method playing keyboard game on a kind of computer

Technical field

The invention belongs to computer screen monitoring technical field, long-time object for appreciation keyboard game on a kind of computer Automatic testing method.

Background technology

For a long time, unit, network computer game is the most prevailing, causes many teenager to indulge in computer Play, neglect one's studies, had a strong impact on teen-age physical and mental health.Especially in family, school and company Computer uses, the head of a family, teacher and enterprise operator be concerned about very much computer whether by the long period for playing game and unrestrained Take the time of study and work.In this, market has some computer screen monitoring software and systems, by suitable Time ground copy screen picture be used as the memorandum entry of computer user usage behavior.This class method cost is slightly higher, System runs certain C PU calculating resource and the network bandwidth having occupied computer, and checking process needs system to use Family is consulted video recording and is become complicated heavy, it is often more important that such system has the suspicion invading computer user privacy.

Computer game has very fraction only to use mouse not use keyboard, is referred to as meaning non-keyboard game, such as, " digs Rhizoma Anemones flaccidae " etc..Non-keyboard game has the composition of some Fructus Alpiniae Oxyphyllaes, or owing to the operation rhythm of player is unhappy, psychological tightly Zhang Chengdu is the highest, so the urgency of disabling is limited, this programme only considers the long-time operation row that keyboard is played For detection.

" software report " a technical article " utilize keyboard HOOK monitoring online play game " (refer to:http://www.360doc.com/content/12/0216/16/8484669_187115137.shtmlC# is used in) Hook (HOOK) function provided, arranges the hook to four direction key and space bar, adds up these buttons Percussion frequency, can assert that when this frequency is more than certain threshold value operator are playing game.This side The major defect of method is, the operated key of a lot of game be not directionkeys, such as WASD key and space bar, The most such as ASD key and JKL key etc. are also typically used to the operation button of game.And, a lot of game in order to Improve Consumer's Experience, it is allowed to user distributes oneself any button interested as behaviour in arranging of game keys Make key.Additionally, the frequency tapping certain key is the fuzzyyest higher than certain this standard of threshold value, because this frequency Relevant with the time window size opened when calculating, if number of taps is the highest, but the time window weighed is also The longest meeting causes frequency relatively low, thus causes missing inspection.

Summary of the invention

In order to the scope of application overcoming on existing computer the long-time automatic testing method playing keyboard game is narrower, can By the deficiency that property is poor, the present invention provides and plays for a long time on the computer that a kind of scope of application is wider, reliability is good The automatic testing method of keyboard game.

The technical solution adopted for the present invention to solve the technical problems is:

The long-time automatic testing method playing keyboard game on a kind of computer, described automatic testing method includes following Step:

1) creating a DLL, the inside realizes the Hook Function of overall situation HOOK module, and derives this function interface；

Described Hook Function safeguards a record of keys table, and this record of keys table is that each button of keyboard is opened up One storage line, row head is button ID, and each time value in every a line is different；Each button ID Distributing a numeral is button sequence number, is illustrated as two-dimensional state table by button sequence number, time sequencing, and each is adopted On sample moment Tn, the most at least a key-press event occurs, and occurs as 1, does not occur as 0；

2) api function using Windows system installs hook, and described hook can be intercepted and captured windows desktop and run Any keyboard operation of each process；

3) carrying out hook detection, process is as follows:

3.1) read, every the time interval set, the current record of keys table that overall situation HOOK module is safeguarded, currently The two-dimensional state the exterior and the interior that record of keys table converts takes the time period arriving current time sometime, calculates this time The number of taps of each button in Duan；

3.2) the state value sum in button number of taps is the section at this moment of every a line, forms rectangular histogram, and rectangular histogram is anti- Reflect each button distribution situation of number of taps within the given period, calculate root variance d of this scattergram, meter Calculation formula is as follows:

$\mathrm{num}=\frac{1}{\mathrm{NUM}}\underset{i=1}{\overset{\mathrm{NUM}}{\mathrm{\Σ}}}\mathrm{Num}\left(i\right);$

${\left(\frac{1}{\mathrm{NUM}}\underset{i=1}{\overset{\mathrm{NUM}}{\mathrm{\Σ}}}{(\mathrm{Num}\left(i\right)-\mathrm{num})}^2\right)}^{1/2}$

In formula, num represents distribution average, and Num (i) represents the button number of taps of serial number i, and NUM is total Number of keys；

When root variance d is more than predetermined threshold value, it is determined that current state is the object for appreciation game behavior of computer user.

Further, described step 3.2) in, number of taps occupy the operated key that the button of above several is game.

The technology of the present invention is contemplated that: from the point of view of the number of taps of full keyboard button is distributed, when user is for a long time When playing keyboard game, tapping number and relatively greatly and concentrate on several operated keys of this game, remaining button taps Number almost 0；And user uses computer in other situations, such as documents editing, surf the Net, do shopping or compile During program writing, the number of keys of non-zero percussion number is the most, gets comparison and dissipates, is not gathered in as game On a few button.The variance that this phenomenon statistical language describes the distribution being exactly the former correspondence is relatively big, after The variance of the distribution of person is less.

Beneficial effects of the present invention is mainly manifested in: 1, can identify intelligently possible as game operation key Arbitrarily button, the scope of application is wider；2, based on each button number of taps (rectangular histogram) within the given period Distribution situation judge, reliability is good.

Accompanying drawing explanation

Fig. 1 is the principle frame of the business application module of the long-time automatic checkout system playing keyboard game on computer Figure.

Fig. 2 is the scattergram of button number of taps.

Detailed description of the invention

The invention will be further described below in conjunction with the accompanying drawings.

See figures.1.and.2, the long-time automatic testing method playing keyboard game on a kind of computer, described automatically Detection method comprises the following steps:

1) creating a DLL, the inside realizes the Hook Function of overall situation HOOK module, and derives this function interface；

Described Hook Function safeguards a record of keys table, and this record of keys table is that each button of keyboard is opened up One storage line, row head is button ID, and each time value in every a line is different；Each button ID Distributing a numeral is button sequence number, is illustrated as two-dimensional state table by button sequence number, time sequencing, and each is adopted On sample moment Tn, the most at least a key-press event occurs, and occurs as 1, does not occur as 0；

2) api function using Windows system installs hook, and described hook can be intercepted and captured windows desktop and run Any keyboard operation of each process；

3) carrying out hook detection, process is as follows:

3.1) read, every the time interval set, the current record of keys table that overall situation HOOK module is safeguarded, currently The two-dimensional state the exterior and the interior that record of keys table converts takes the time period arriving current time sometime, calculates this time The number of taps of each button in Duan；

3.2) the state value sum in button number of taps is the section at this moment of every a line, forms rectangular histogram, and rectangular histogram is anti- Reflect each button distribution situation of number of taps within the given period, calculate root variance d of this scattergram, meter Calculation formula is as follows:

$\mathrm{num}=\frac{1}{\mathrm{NUM}}\underset{i=1}{\overset{\mathrm{NUM}}{\mathrm{\Σ}}}\mathrm{Num}\left(i\right);$

${\left(\frac{1}{\mathrm{NUM}}\underset{i=1}{\overset{\mathrm{NUM}}{\mathrm{\Σ}}}{(\mathrm{Num}\left(i\right)-\mathrm{num})}^2\right)}^{1/2}$

In formula, num represents distribution average, and Num (i) represents the button number of taps of serial number i, and NUM is total Number of keys；

When root variance d is more than predetermined threshold value, it is determined that current state is the object for appreciation game behavior of computer user.

Further, described step 3.2) in, number of taps occupy the operated key that the button of above several is game.

In the present embodiment, compile at win32 (win32, the generally abbreviation to 32 windows operating systems) The design keyboard overall situation is provided in journey API (Application Program Interface, application programming interface) collection The mechanism of hook, the hook of design can intercept and capture any keyboard behaviour of each process that windows desktop runs Making, carry out record of keys after intercepting and capturing Keyboard Message, the analysis method realizing this programme according to log detects object for appreciation Game behavior.

The HOOK hook step intercepting and capturing keyboard is as follows:

1) creating a DLL (dynamic link library, dynamic link library), the inside realizes Hook Function, and leads Go out this function interface；

2) api function (such as SetWindowsHookEx, the SetWindowsHookEx of Windows system are used It is the api function of a win32) hook is installed；

3) realize the service logic of hook, i.e. examinations and play the analysis method of game.

Wherein step 1 is that overall situation HOOK module realizes record of keys；Step 2,3 it is business application module, Realizing installing HOOK, the logic of detection business, the system that business uses, with reference to Fig. 1.

The Hook Function of overall situation HOOK module safeguards a record of keys table, with reference to table 1:

Button ID	The percussion time
		‘A’	A_time1,A_time2,A_time3,……
‘B’	B_time1,B_time2,B_time3,……
		‘C’	C_time1,C_time2,C_time3,……
‘D’	D_time1,D_time2,D_time3,……
		……	……
‘Alt’	Alt_time1,Alt_time2,Alt_time3,……
		……
‘F1’	F1_time1,F1_time2,F1_time3,……
		……
‘Del’	Del_time1,Del_time2,Del_time3,……

Table 1

Table 1 is that each button of keyboard opens up a storage line (keyboard uses general version), Each time value in every a line is different；The time value of each button of file is the most identical, as long as There is to pin the situation of two or more key simultaneously.

Table 1 button sequence number (each button ID distributes a numeral), time sequencing are illustrated as two dimension State table, is shown in Table 2.On table 2 each sampling instant Tn, at least a key-press event occurs, and sends out Life is 1, does not occur as 0；T2 moment at least two keys are pressed simultaneously and are hit.

Table 2

Read, every certain time interval, the current button note that HOOK module is safeguarded in business application module Record table.Current record of keys table convert state table (such as table 2) inner take arrive sometime current time time Between section, calculate the number of taps of each button in this time period, might as well it is assumed that Tn+2 is current time, T4 Tn+2 is the time period chosen.Button number of taps be the state value in the section at this moment of every a line it With, form following rectangular histogram as shown in Figure 2.

This rectangular histogram reflects each button distribution situation of number of taps within the given period.Calculate this scattergram Root variance d, computing formula is as follows

$\mathrm{num}=\frac{1}{\mathrm{NUM}}\underset{i=1}{\overset{\mathrm{NUM}}{\mathrm{\Σ}}}\mathrm{Num}\left(i\right);$

${\left(\frac{1}{\mathrm{NUM}}\underset{i=1}{\overset{\mathrm{NUM}}{\mathrm{\Σ}}}{(\mathrm{Num}\left(i\right)-\mathrm{num})}^2\right)}^{1/2}$

In formula, num represents distribution average, and Num (i) represents the button number of taps of serial number i, NUM be total by Number of keys.The object for appreciation game behavior of computer user is can be determined that, and now when root variance d is more than a certain threshold value Number of taps occupy the operated key that the button of above several is exactly game.

Claims (2)

1. the long-time automatic testing method playing keyboard game on a computer, it is characterised in that: described automatic detection side Method comprises the following steps:

1) creating a DLL, there is the Hook Function realizing the overall situation HOOK module the inside, and derives function interface；

Described Hook Function safeguards a record of keys table, and this record of keys table is that each button of keyboard is opened up One storage line, row head is button ID, and each time value in every a line is different；Each button ID Distributing a numeral is button sequence number, is illustrated as two-dimensional state table by button sequence number, time sequencing, and each is adopted On sample moment Tn, the most at least a key-press event occurs, and occurs as 1, does not occur as 0；

2) api function using Windows system installs hook, and described hook can be intercepted and captured windows desktop and run Any keyboard operation of each process；

3) carrying out hook detection, process is as follows:

3.1) read, every the time interval set, the current record of keys table that overall situation HOOK module is safeguarded, currently The two-dimensional state the exterior and the interior that record of keys table converts takes the time period arriving current time sometime, calculates this time The number of taps of each button in Duan；

3.2) the state value sum in button number of taps is the section at this moment of every a line, forms rectangular histogram, and rectangular histogram is anti- Reflect each button distribution situation of number of taps within the given period, calculate root variance d of this scattergram, meter Calculation formula is as follows:

$num=\frac{1}{NUM}\underset{i=1}{\overset{NUM}{\mathrm{\Σ}}}Num\left(i\right);$

$d={\left(\frac{1}{NUM}\underset{i=1}{\overset{NUM}{\mathrm{\Σ}}}{\left(Num\left(i\right)-num\right)}^2\right)}^{1/2}$

In formula, num represents distribution average, and Num (i) represents the button number of taps of serial number i, and NUM is total Number of keys；

When root variance d is more than predetermined threshold value, it is determined that current state is the object for appreciation game behavior of computer user.

The long-time automatic testing method playing keyboard game on a kind of computer the most as claimed in claim 1, its feature exists In: described step 3.2) in, number of taps occupy the operated key that the button of above several is game.