CN104375825B - Desktop window element tracks and identifies method and system under VDI environment - Google Patents
Desktop window element tracks and identifies method and system under VDI environment Download PDFInfo
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- CN104375825B CN104375825B CN201410498283.7A CN201410498283A CN104375825B CN 104375825 B CN104375825 B CN 104375825B CN 201410498283 A CN201410498283 A CN 201410498283A CN 104375825 B CN104375825 B CN 104375825B
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Abstract
What the present invention provided desktop window element under a kind of VDI environment tracks and identifies method and system, the method includes the steps 1, enumerate User space current sessions all window elements handle；Step 2, the variation that window elements are monitored according to handle；Step 3 preserves all windows to be tracked of current desktop, and the information list of window is passed to kernel state；Step 4 creates a Window state variation engine and unique identifier for each window to be tracked；Step 5 changes the delta data for the window elements that engine-trace obtains and unique identifier according to Window state, and combines preset processing strategy and window is changed and encoded；Window after coding is passed to terminal and shows by step 6.The present invention also provides a kind of tracking and identifying system of desktop window element under VDI environment, the method have the advantages that：The data volume for being transferred to user terminal is made to become smaller, also reduces bandwidth, improves the experience of user.
Description
Technical field
The present invention relates to desktop window elements under a kind of VDI environment to track and identify method and system.
Background technology
Under VDI (virtual desktop architecture) environment, it would be desirable to be delivered and grasped to terminal by the network of Bandwidth-Constrained
Make the desktop of system, the desktop of operating system is made of window one by one, and the type of window is various, window elements again
Also can change, this so that more bandwidth can be occupied during transmission, and can not to window elements occur variation into
Line trace identifies, reduces the experience of user.
Invention content
The technical problem to be solved in the present invention is to provide a kind of side of tracking and identifying of desktop window element under VDI environment
Method and system use different coding staffs by the way that desktop window element is decomposed and tracked, and to different types of window
Formula is encoded, and the data volume for being transferred to user terminal is made to become smaller, also reduces bandwidth, improves the experience of user.
What one of the technical problem to be solved in the present invention was realized in：The tracking of desktop window element is known under VDI environment
Operating system and application program are uniformly put into the server of data center and run by other method, the VDI, by the desktop of user
It is virtualized, the operating system includes User space and kernel state；Described method includes following steps：
Step 1, enumerate User space current sessions all window elements handle；
Step 2, the change that User space current sessions and window station are monitored according to handle, and then monitor the change of window elements
Change；
Step 3 preserves all windows to be tracked of User space current desktop, and the information list of window is sent to kernel
State；
Step 4 creates a Window state variation engine for each window to be tracked in kernel state, for tracking
The delta data of window elements is obtained, while also creates a unique identifier for each window to be tracked；
Step 5 tracks the delta data of the window elements obtained and unique identifier according to different windows, and combines pre-
The processing strategy first set is changed and encodes to window；
Window after coding is sent to user terminal and shows by step 6.
Further, the delta data of the window elements includes the window's position, window size, window visible area and window
Mouth mark.
Further, the preset processing strategy is the variation previously according to window elements, and setting will be to window
The change of progress.
Further, the step 5 is specially further：The variation of window elements first obtained according to different windows tracking
Data and unique identifier, and combine preset processing strategy and window is changed, then to different types of window
Mouth is encoded using different coding modes.
What the second technical problem to be solved by the present invention was realized in：The tracking of desktop window element is known under VDI environment
Operating system and application program are uniformly put into the server of data center and run by other system, the VDI, by the desktop of user
It is virtualized, the operating system includes User space and kernel state；The system comprises：
Window enumeration module enumerates the handle of all window elements of User space current sessions；
Monitoring session module monitors the change of User space current sessions and window station according to handle, and then monitors window member
The variation of element；
Window preserving module preserves all windows to be tracked of User space current desktop, and the information list of window is sent out
Give kernel state；
Virtual video card module creates a Window state for each window to be tracked in kernel state and changes engine,
For tracking the delta data for obtaining window elements, while also a unique mark is created for each window to be tracked
Symbol；
Data coding module tracks the delta data of the window elements obtained and unique identifier according to different windows,
And it combines preset processing strategy and window is changed and encoded；
Window after coding is sent to user terminal and shown by data transmission module.
Further, the delta data of the window elements includes the window's position, window size, window visible area and window
Mouth mark.
Further, the preset processing strategy is the variation previously according to window elements, and setting will be to window
The change of progress.
Further, the data coding module is specially further：The window member first obtained according to different windows tracking
The delta data and unique identifier of element, and combine preset processing strategy and window is changed, then to difference
The window of type is encoded using different coding modes.
The invention has the advantages that：The decomposition to operating system desktop window elements and tracking are realized, and to difference
The window of type is encoded using different coding modes, this not only reduces the data volume for being transferred to user terminal, and is dropped
Low bandwidth, improves the experience of user.
Description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the flow diagram for tracking and identifying method of desktop window element under VDI environment of the present invention.
Fig. 2 is the structure diagram of the tracking and identifying system of desktop window element under VDI environment of the present invention.
Specific embodiment
It please refers to shown in Fig. 1, desktop window element tracks and identifies method under VDI environment of the present invention, and the VDI will operate
System and application program, which are uniformly put into the server of data center, to be run, and the desktop of user is virtualized, the operation
System (such as windows operating systems) is including User space and kernel state；The method specifically comprises the following steps：
Step 1, enumerate User space current sessions all window elements handle；
Step 2, the change that User space current sessions and window station (winstation) are monitored according to handle, and then monitor window
The variation of mouth element；Window station (winstation) is a Security Object, it includes a clipbook, a series of global original
Son and one group of desktop object, an interactive window station is not only to user as it can be seen that and can also receive input from the user.
The reason of being wherein monitored to current sessions and window station (winstation) be：Due to window elements and current sessions and window
Mouth station (winstation) is closely related, and only they are monitored, further could accurately monitor the variation of window elements；
Step 3 preserves all windows to be tracked of User space current desktop, and the information list of window is sent to kernel
State；It is assumed that sharing 10 windows to be tracked on windows desktops, that is with regard to first preserving this 10 windows, then
The information list of 10 windows is sent to kernel state；
Step 4 creates a Window state variation engine for each window to be tracked in kernel state, for tracking
The delta data of window elements is obtained, while also creates a unique identifier for each window to be tracked, this is only
One identifier is used to accurately identify window；The delta data of the window elements includes the window's position, window size, window can
Viewed area and window ID, the Window state variation engine can also preserve the delta data of each window elements,
Realize the tracking to window；
Step 5 tracks the delta data of the window elements obtained and unique identifier according to different windows, and combines pre-
The processing strategy first set is changed and encodes to window；The preset processing strategy is previously according to window elements
Variation, setting will to window carry out change；The step is specially further：The window first obtained according to different windows tracking
The delta data of element and unique identifier, and combine it is preset processing strategy window is changed (such as in advance
When setting the variation of window height in the range of 0.2cm~0.25cm, system a pair of windows adjustment 0.2cm, then when tracking obtains
Window height variation in above range, we just to window adjust a 0.2cm height), then to different type
Window encoded using different coding modes, such as JPEG codings may be used in graphical window, video window can be with
H.264 coding etc.；
Step 6 sends the window after coding to user terminal and shows, is experienced for user.
It please refers to shown in Fig. 2, desktop window element tracking and identifying system under VDI environment of the present invention, the VDI, which will be operated, is
System and application program are uniformly put into the server of data center and run, and the desktop of user is virtualized, the operation system
(such as windows operating systems) is united including User space and kernel state；The system comprises
Window enumeration module enumerates the handle of all window elements of User space current sessions；
Monitoring session module monitors the change of User space current sessions and window station (winstation) according to handle, into
And monitor the variation of window elements；Window station (winstation) is a Security Object, it includes a clipbook, a series of
Global atom and one group of desktop object, an interactive window station is not only to user as it can be seen that and can also receive to use by oneself
The input at family.The reason of being wherein monitored to current sessions and window station (winstation) be：Since window elements are with working as
Preceding session and window station (winstation) are closely related, and only they are monitored, further could accurately monitor window
The variation of element；
Window preserving module preserves all windows to be tracked of User space current desktop, and the information list of window is sent out
Give kernel state；It is assumed that sharing 10 windows to be tracked on windows desktops, that is with regard to first protecting this 10 windows
It deposits, the information list of 10 windows is then sent to kernel state；
Virtual video card module creates a Window state for each window to be tracked in kernel state and changes engine,
For tracking the delta data for obtaining window elements, while also a unique mark is created for each window to be tracked
Symbol, unique identifier are used to accurately identify window；It is big that the delta data of the window elements includes the window's position, window
Small, window visible area and window ID, the Window state variation engine can also be to the delta data of each window elements
It is preserved, realizes the tracking to table window；
Data coding module tracks the delta data of the window elements obtained and unique identifier according to different windows,
And it combines preset processing strategy and window is changed and encoded；It is described it is preset processing strategy be previously according to
The variation of window elements, the change that setting will carry out window；The step is specially further：First obtained according to different windows tracking
The delta data of the window elements taken and unique identifier, and combine preset processing strategy and window is changed
(such as when presetting the variation of window height in the range of 0.2cm~0.25cm, system a pair of windows adjustment 0.2cm, then when
The variation of the window height obtained is tracked in above range, we just adjust window the height of one 0.2cm), it is then right
Different types of window is encoded using different coding modes, such as JPEG codings, video window may be used in graphical window
It mouthful can be H.264 to encode；
Data transmission module sends the window after coding to user terminal and shows, experienced for user.
The invention has the advantages that：The decomposition to operating system desktop window elements and tracking are realized, and to difference
The window of type is encoded using different coding modes, this not only reduces the data volume for being transferred to user terminal, and is dropped
Low bandwidth, improves the experience of user.
Although specific embodiments of the present invention have been described above, those familiar with the art should manage
Solution, our described specific embodiments are merely exemplary rather than for the restriction to the scope of the present invention, are familiar with this
The equivalent modification and variation that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (4)
1. desktop window element tracks and identifies method under a kind of VDI environment, the VDI is unified by operating system and application program
It is put into the server of data center and runs, the desktop of user is virtualized, the operating system includes User space and interior
Core state；It is characterized in that：Described method includes following steps：
Step 1, enumerate User space current sessions all window elements handle；
Step 2, the change that User space current sessions and window station are monitored according to handle, and then monitor the variation of window elements；
Step 3 preserves all windows to be tracked of User space current desktop, and the information list of window is sent to kernel state；
Step 4 creates a Window state variation engine for each window to be tracked in kernel state, is obtained for tracking
The delta data of window elements, while also a unique identifier is created for each window to be tracked；
Step 5 tracks the delta data of the window elements obtained and unique identifier according to different windows, and combines and set in advance
Fixed processing strategy is changed and encodes to window；
Window after coding is sent to user terminal and shows by step 6；
The step 5 is specially：The delta data and unique identifier of the window elements first obtained according to different windows tracking,
And combine preset processing strategy and window is changed, different coding modes then is used to different types of window
It is encoded；The preset processing strategy is the variation previously according to window elements, and setting will change window
Become.
2. desktop window element tracks and identifies method under VDI environment according to claim 1, it is characterised in that：It is described
The delta data of window elements includes the window's position, window size, window visible area and window ID.
3. the tracking and identifying system of desktop window element under a kind of VDI environment, the VDI is unified by operating system and application program
It is put into the server of data center and runs, the desktop of user is virtualized, the operating system includes User space and interior
Core state；It is characterized in that：Including：
Window enumeration module enumerates the handle of all window elements of User space current sessions；
Monitoring session module monitors the change of User space current sessions and window station according to handle, and then monitors window elements
Variation；
Window preserving module preserves all windows to be tracked of User space current desktop, and the information list of window is sent to
Kernel state；
Virtual video card module creates a Window state for each window to be tracked in kernel state and changes engine, is used for
Tracking obtains the delta data of window elements, while also creates a unique identifier for each window to be tracked；
Data coding module according to the delta data of the window elements of different windows tracking acquisition and unique identifier, and is tied
It closes preset processing strategy window is changed and encoded；
Window after coding is sent to user terminal and shown by data transmission module；
The data coding module is specially further：First according to different windows tracking obtain window elements delta data and
Unique identifier, and combine preset processing strategy and window is changed, then different types of window is used
Different coding modes are encoded；The preset processing strategy is the variation previously according to window elements, and setting will
The change carried out to window.
4. the tracking and identifying system of desktop window element under VDI environment according to claim 3, it is characterised in that：It is described
The delta data of window elements includes the window's position, window size, window visible area and window ID.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179431A (en) * | 2013-03-21 | 2013-06-26 | 福建升腾资讯有限公司 | Method for redirecting, transcoding and separating audio/video under VDI (Virtual Desktop Infrastructure) condition |
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| JP4738805B2 (en) * | 2004-12-16 | 2011-08-03 | 株式会社リコー | Screen sharing system, screen sharing method, screen sharing program |
| WO2012047997A1 (en) * | 2010-10-05 | 2012-04-12 | Citrix Systems, Inc. | Display management for native user experiences |
| US20120311457A1 (en) * | 2011-06-06 | 2012-12-06 | Cisco Technology, Inc. | Merging Remote and Local Interfaces for Application Integration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103179431A (en) * | 2013-03-21 | 2013-06-26 | 福建升腾资讯有限公司 | Method for redirecting, transcoding and separating audio/video under VDI (Virtual Desktop Infrastructure) condition |
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