CN107872471A - Remote desktop image command processing method and system - Google Patents
Remote desktop image command processing method and system Download PDFInfo
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- CN107872471A CN107872471A CN201610846948.8A CN201610846948A CN107872471A CN 107872471 A CN107872471 A CN 107872471A CN 201610846948 A CN201610846948 A CN 201610846948A CN 107872471 A CN107872471 A CN 107872471A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
Abstract
A kind of processing method and system of remote desktop image command, method include：Protocol resolution module receives desktop data from server, and desktop data is parsed according to agreement, the remote desktop data after parsing are packaged into remote desktop image command, and image command is put into queue to be sent；Instruct distribution module to travel through all users, the image command in user's queue to be sent is handled and judged, according to different situation selection distribution presumptive instructions or carry out reduced instruction distribution compensating instruction；The image command of buffering area is packaged into packet by director data bag distribution module, and image command packet is sent into client according to WebSocket agreements；System includes server, protocol resolution module, instruction distribution module, director data bag sending module and client；Implement user of the present invention is not influenceed by bipartite network between each other, obtains preferable image, and compatible RDP bitmap caches characteristic, and the data volume of network transmission is greatly decreased, while decreases the size of desktop video file.
Description
Technical field
The present invention relates to Internet technical field of data transmission, and remote desktop is simplified more specifically to one kind
The processing method and system of image command.
Background technology
When Windows remote desktop (abbreviation RDP) plays video or motion picture：Need higher bandwidth (＞
The real-time of image transmitting 24Mbps) is just can guarantee that, view data was accumulated by 1 minute at low bandwidth (1Mbps), and transmission is prolonged
When more than 30 seconds, far beyond tolerance interval (3 seconds).
Client device needs higher calculating performance to handle substantial amounts of data, it is necessary to which client-side program could be in time
Complete image procossing, PC browsers and mobile phone browser can not timely processing data, cause browser to be not responding to (seemingly-dead).
On the version of the non-reduced instruction of cloud service of being expert at, desktop picture data syn-chronization is sent to the multiple users shared, high
Bandwidth users have to wait for low bandwidth user and are sent that new image could be received, and cause the long-range table of the preferable user of network
Face experience is influenceed by the user of network difference.
The content of the invention
For the remote desktop image forward delay interval time is long, low-performance equipment processing remote image when be not responding to and network
The problem of remote desktop of preferable user is experienced by network difference customer impact, proposes a kind of processing of remote desktop image command
Method and system, remote desktop image forward delay interval under low bandwidth is reduced, improve response speed, solving low-performance equipment, (PC is clear
Look at device, mobile phone browser) processing image the problem of being not responding to, coordinate multiple users heterogeneous networks bandwidth (100Mb,
8Mb, 1Mb) operation and synchronized update image of the distinct device (PC, mobile phone, flat board) to same remote desktop.
A kind of processing method of remote desktop image command, using including server, protocol resolution module, instruction distribution mould
Block, director data bag sending module and client, comprise the following steps：
S1, the protocol resolution module receive desktop data from the server, and desktop data is solved according to agreement
Remote desktop data after parsing are packaged into remote desktop image command, and image command is put into queue to be sent by analysis；
S2, the instruction distribution module travel through all users, and the image command in user's queue to be sent is handled
And judgement, and according to different situation selection distribution presumptive instructions or carry out reduced instruction distribution compensating instruction；
The image command of buffering area is packaged into packet by S3, the director data bag distribution module, according to WebSocket
Image command packet is sent to client by agreement.
Preferably, step S1 protocol resolution modules are in the step of parsing desktop picture data, including following sub-step：
S11, from server receive desktop data；
S12, according to protocol analysis desktop data；
S13, desktop picture is rendered in internal memory；
S14, desktop data is packaged into image command, and image command is put into the queue to be sent of instruction distribution module
In；
Out-of-date image command in S15, cleaning queue to be sent；
S16, jump to step S11 circulation execution.
Preferably, step S2 includes following sub-step：
S21, the instruction distribution module travel through all users；
S22, the image instruction queue situation to be sent to user judge, step S28 is jumped to if it can not distribute；
S23, the instruction distribution module are distributed to the legacy instructions in the queue to be sent of user before, if in distribution
It is disconnected then jump to step S28；
S24, the instruction distribution module determine whether not distribute original image instruction, if so, then jumping to step
S28；
S25, the instruction distribution module judge whether that distribution original image instructs, if so, then referring to original image
Order is distributed, and then branches to step S28；
S26, the instruction distribution module reduced instruction, abandon all instructions in queue, calculate the folded of the instruction that is dropped
The update area R added, it is new compensating instruction by the Image Coding of the desktop picture interception area R in internal memory, by compensating instruction
It is added to legacy instructions queue；
S27, the instruction distribution module attempt to distribute again legacy instructions to user；
S28, judge whether to travel through all users, if it is not, then jumping to step S21；If so, instruction distribution terminates.
Preferably, step S25 includes following sub-step：
S251, judge whether the size of original image instruction to be sent is less than arranges value, if so, then being instructed to original image
It is distributed；If it is not, then jump in next step；
S252, judge whether the quantity of original image instruction to be sent is less than arranges value, if so, then being instructed to original image
It is distributed；If it is not, then jump in next step；
S253, judge whether the instruction number for the RDP text types that original image instruction to be sent includes is less than arranges value,
If so, then original image instruction is distributed；If it is not, then jump in next step；
Preferably, step S3 includes following sub-step：
The image command that S31, client please look for novelty to director data bag, if user's is to be sent corresponding to the client
Queue is sky, then obstruction is waited for a period of time, and S33 is jumped to if again without image command；
The instruction of the queue to be sent of user is put into transmission buffering area by S32, the director data bag sending module, until
Send buffering area to fill up, then carry out package processing；
Packet is sent to client by S33, the director data bag sending module by WebSocket agreements；
The desktop picture director data bag that S34, client parsing receive, and system screen is rendered into, this request
Answering terminates, and jumps to step S31.
According to a kind of processing method of remote desktop image command of the present invention, the instruction distribution module is being distributed
It is distributed during instruction using request-answer-mode.
According to a kind of processing method of remote desktop image command of the present invention, the director data bag sending module
Asynchronous transmission pattern is used when sending director data bag.
A kind of processing system of remote desktop image command, including server, protocol resolution module, instruction distribution module,
Director data bag sending module and client.
According to a kind of processing system of remote desktop image command of the present invention, the server is used for according to user
Request remote desktop view data is sent to protocol resolution module；The protocol resolution module is used for according to agreement to long-range
Desktop picture data are parsed, and the remote desktop data after parsing are packaged into image command and are put into instruction distribution module
Queue to be sent；The instruction situation that the instruction distribution module is used in the queue to be sent to the image command of user is carried out
Judge and handle, and according to different situation selection distribution presumptive instructions or carry out reduced instruction distribution compensating instruction；It is described
Director data bag sending module is used to packaged desktop picture director data bag is sent into client according to WebSocket agreements
End；The client is used to the director data bag received being rendered into system screen.
A kind of processing method and system of remote desktop image command provided by the invention, sent out using request-answer-mode
View data is sent, avoids being transmitted across more data causing client process not come and the problem of being not responding to (seemingly-dead) occur.Can be with
The client of different performance and heterogeneous networks bandwidth is adapted to very well.Synchronous transmission is changed to asynchronous transmission, avoided because user terminal
Receive view data slow and that barrage reception server sends over.Simultaneously as be asynchronous transmission, so different users
View data is individually to send, unaffected between each other.With instruction compaction function, instruction post-compensation current time is abandoned
Image.Reduced instruction in fact removes the pilot process of image change, retains the image of last moment, does not interfere with user's
O＆M operates.Remote desktop is operated on the mobile device of low-bandwidth network or low performance and obtains quickly response.High bandwidth
When the user of network and the user collaborative of low-bandwidth network work, do not influenceed between each other by bipartite network, ensureing low delay
In the case of, obtain image as well as possible.Compatible RDP bitmap caches characteristic, and the position of reuse is only sent when network is bad
Figure, is greatly decreased the data volume of network transmission, while decreases the size of desktop video file.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of logic connection diagram of the processing system embodiment of remote desktop image command in the present invention；
A kind of schematic flow sheet of the processing method of remote desktop image command in Fig. 2 present invention；
In Fig. 3 present invention in a kind of processing method of remote desktop image command step S1 sub-step schematic flow sheet；
Step S2 sub-step schematic flow sheet shows in a kind of processing method of remote desktop image command in Fig. 4 present invention
It is intended to；
Step S3 sub-step schematic flow sheet shows in a kind of processing method of remote desktop image command in Fig. 5 present invention
It is intended to.
Sub-step S25 sub-step flow is illustrated in a kind of processing method of remote desktop image command in Fig. 6 present invention
Diagram is intended to
Embodiment
When Windows remote desktop (abbreviation RDP) plays video or motion picture：Need higher bandwidth (＞
The real-time of image transmitting 24Mbps) is just can guarantee that, view data was accumulated by 1 minute at low bandwidth (1Mbps), and transmission is prolonged
When more than 30 seconds, far beyond tolerance interval (3 seconds).Client device needs higher calculating performance to handle substantial amounts of number
According to, it is necessary to client-side program could complete image procossing in time, PC browsers and mobile phone browser can not timely processing data, lead
Browser is caused to be not responding to (seemingly-dead).On the version of the non-reduced instruction of cloud service of being expert at, desktop picture data syn-chronization, which is sent to, to be shared
Multiple users, high-bandwidth user has to wait for low bandwidth user and is sent that new image could be received, and causes network preferable
User remote desktop experience by network difference user influenceed.The problem to be solved in the present invention is：1st, how to reduce low
Remote desktop image forward delay interval under bandwidth, improve response speed；2nd, low-performance equipment (PC browsers, movement how to be solved
Terminal browser) processing image be not responding to problem；3rd, multiple users how are coordinated at heterogeneous networks bandwidth (100Mb, 8Mb, 1Mb)
Operation and synchronized update image of the distinct device (PC, mobile phone, flat board) to same remote desktop, need exist for explaining is table
Face image synchronization renewal, does not imply that same image command data, but it is the image effect being more or less the same to show.
Fig. 1 is a kind of logic connection diagram of the processing system embodiment of remote desktop image command in the present invention, please
With reference to figure 1, technical scheme provided by the invention is：A kind of processing method and system of remote desktop image command, system are provided
Including server 11, protocol resolution module 12, distribution module 13, director data bag sending module 14 and client 15 are instructed,
Server 11 is used to remote desktop view data is sent into protocol resolution module 12 according to the request of user；Protocol resolution module
12 are used to parse remote desktop view data according to agreement, and the remote desktop data after parsing are packaged into image and referred to
The queue to be sent of instruction distribution module 13 is put into order；Distribution module 13 is instructed to be used for the to be sent of the image command of user
Instruction situation in queue is judged and handled, and the original image instruction in queue is distributed into buffering area；Director data
Bag sending module 14 is used to packaged desktop picture director data bag is sent into client 15 according to WebSocket agreements；
Client 15 is used to the director data bag received being rendered into system screen.
A kind of schematic flow sheet of the processing method of remote desktop image command, refer to Fig. 2 in Fig. 2 present invention, a kind of
The processing method of remote desktop image command, comprises the following steps：S1, protocol resolution module 12 receive desktop number from server 11
According to, desktop data is parsed according to agreement, the remote desktop data after parsing are packaged into remote desktop image command, and
Image command is put into queue to be sent, the long-range figure that protocol resolution module 12 sends over according to RDP agreements to server 11
As data are parsed according to different levels, the desktop data after parsing then is packaged into desktop picture instruction is passed
It is defeated.By protocol resolution module 12, make any terminating machine having permission, can be with known account login service device 11
Use the resource in account, including software, hardware resource；Meanwhile after agreement upgrading, client 15 can use this after connecting
The resource on ground, including local printer, sound locally play back, local disk resource and local hardware interface.All calculating are all
Carried out at the end of server 11, client 15 only needs to handle network connection, receives data, interface display and device data output.
S2, instruction distribution module 13 travel through all users, to the image command in user's queue to be sent carry out processing and
Judge, and according to different situation selection distribution presumptive instructions or carry out reduced instruction distribution compensating instruction；Instruction distribution mould
Block 13 is during instruction is distributed, and using request-answer-mode, instruction distribution module 13 travels through all users, searches institute
There is the request instruction of user, for the user of no request instruction, stop sending image command in queue to be sent to buffering
Area, avoiding excessively sending data causes client 15 to handle to come over the problem of being not responding to (seemingly-dead), can be advantageously used
The client 15 of different heart infarctions and heterogeneous networks bandwidth.
The image command of buffering area is packaged into packet by S3, director data bag distribution module, according to WebSocket agreements
Image command packet is sent to client 15.Asynchronous transmission pattern is used when sending packet, is avoided because client
15 receive view data slow and that barrage reception server 11 sends over.Meanwhile because being asynchronous transmission, different use
The view data at family is individually sent, unaffected between each other, is avoided high broadband user and is had to wait for low broadband user
New image could be received by being sent, and cause the remote desktop of the preferable user of network to experience the shadow of the user by network difference
As the appearance asked.
In Fig. 3 present invention in a kind of processing method of remote desktop image command step S1 sub-step schematic flow sheet,
It refer to Fig. 3, it is preferable that protocol resolution module 12 comprises the following steps in 11 data of resolution server in step S1：S11、
Desktop data is received from server 11；S12, according to protocol analysis desktop data；S13, the wash with watercolours in internal memory of protocol resolution module 12
Contaminate desktop picture；Desktop data is packaged into image command by S14, protocol resolution module 12, and image command is put into instruction point
In the queue to be sent for sending out module 13；The out-of-date image command that S15, protocol resolution module 12 are cleared up in queue to be sent；S16、
Step S11 circulations are jumped to perform.Protocol resolution module 12 solves according to RDP agreements to desktop data according to different levels
Analysis, encapsulation, desktop data are sent in the queue to be sent of each user after instruction is packaged into, before this, agreement solution
Out-of-date instruction in queue is purged analysis module 12, it is necessary to which what is explained is that to have transmitted to client or client smart
The instruction that letter is fallen, the out-of-date occupancy instructed for reducing to Distributor internal memory of cleaning.
Step S2 sub-step schematic flow sheet shows in a kind of processing method of remote desktop image command in Fig. 4 present invention
It is intended to, sub-step S25 sub-step schematic flow sheet shows in a kind of processing method of remote desktop image command in Fig. 6 present invention
It is intended to, refer to Fig. 4 and 6, it is preferable that step S2 includes following sub-step：S21, the instruction distribution module traversal are all
User；S22, the image instruction queue situation to be sent to user judge, step S28 is jumped to if it can not distribute；
S23, the instruction distribution module are distributed to the legacy instructions in the queue to be sent of user before, are redirected if interruption is distributed
To step S28；S24, the instruction distribution module determine whether not distribute original image instruction, if so, then jumping to step
S28；S25, it is described instruction distribution module judge whether distribution original image instruct, if so, then original image is instructed into
Row distribution, then branches to step S28；S26, the instruction distribution module reduced instruction, abandon all instructions in queue, calculate
The update area R of the superposition for the instruction being dropped, it is new compensation by the Image Coding of the desktop picture interception area R in internal memory
Instruction, legacy instructions queue is added to by compensating instruction；S27, the instruction distribution module are attempted distribution legacy instructions again and given
User；S28, judge whether to travel through all users, if it is not, then jumping to step S21；If so, instruction distribution terminates.Sub-step
S25 includes following sub-step：S251, judge whether the size of original image instruction to be sent is less than arranges value, if so, then to original
Beginning image command is distributed；If it is not, then jump in next step；S252, judge original image to be sent instruction quantity whether
Less than arranges value, if so, being then distributed to original image instruction；If it is not, then jump in next step；S253, judge it is to be sent
Whether the instruction number of RDP text types that original image instruction includes is less than arranges value, if so, then original image is instructed into
Row distribution；If it is not, then jump in next step；
Instruction distribution module 13 travels through all users, and ensureing the request of all users can be searched, while
The legacy instructions situation in each user queue to be sent can be detected.Judge whether have not in the queue to be sent of each user
The image command of distribution, if it can distribute if be distributed.Instruct distribution module 13 that also there is the function of reduced instruction,
This also one of of the invention innovative point, by reduced instruction, abandons image command all in queue to be sent, while calculates and need
The instruction being distributed is updated, and is encoded to new compensating instruction, and is added into legacy instructions queue, in instruction point
Hair module 13 is distributed to the legacy instructions left in queue first when traveling through the user.By reduced instruction, image is become
The pilot process of change removes, and retains the image of last moment, has no effect on the O＆M operation of user, but greatly reduces in network
The data volume of transmission.
The conditions such as presumptive instruction size to be distributed are calculated, presumptive instruction are directly distributed if condition is met, after distribution
Jump to " searching next user ".S26 is jumped to if condition is unsatisfactory for and carries out reduced instruction.Rule of judgment includes following
It is several：The size of instruction to be sent must be smaller than arranges value could send presumptive instruction instruction number to be sent must be small
The presumptive instruction instruction number to be sent for instructing the RDP text types included could be sent in arranges value and is less than arranges value, and this is
Because HTML5 renders RDP, text instruction is very slow, avoids being transmitted across more RDP text instructions causing HTML5 to render interim card.
Step S3 sub-step schematic flow sheet shows in a kind of processing method of remote desktop image command in Fig. 5 present invention
It is intended to, refer to Fig. 5, it is preferable that step S3 includes following sub-step：The figure that S31, client 15 please look for novelty to director data bag
As instruction, if the queue to be sent of user corresponding to the client 15 is sky, obstruction waits for a period of time, if still do not had
There is image command then to jump to S33；The instruction of the queue to be sent of user is put into hair by S32, director data bag sending module 14
Buffering area is sent, is filled up until sending buffering area, then carries out package processing；S33, director data bag sending module 14 are by packet
Client 15 is sent to by WebSocket agreements；S34, client 15 parse the desktop picture director data bag received, and
And system screen is rendered into, this request-reply process terminates, and jumps to step S31.
Director data bag sending module 14 is used for the request of relative users, and all images instruction in buffering area is packaged into
Packet, and it is sent to client 15 according to WebSocket agreements.
A kind of processing method and system of remote desktop image command provided by the invention, sent out using request-answer-mode
View data is sent, avoids being transmitted across more data causing client 15 to handle to come over and the problem of being not responding to (seemingly-dead) occur.Can
To adapt to the client 15 of different performance and heterogeneous networks bandwidth very well.Synchronous transmission is changed to asynchronous transmission, avoided because using
Family end receives view data slow and that barrage reception server 11 sends over.Simultaneously as it is asynchronous transmission, so different
The view data of user is individually to send, unaffected between each other.With instruction compaction function, it is current to abandon instruction post-compensation
The image at moment.Reduced instruction in fact removes the pilot process of image change, retains the image of last moment, does not interfere with
The O＆M operation of user.Remote desktop is operated on the mobile device of low-bandwidth network or low performance and obtains quickly response.
When the user of high bandwidth network and the user collaborative of low-bandwidth network work, do not influenceed, ensured by bipartite network between each other
In the case of low delay, image as well as possible is obtained.Compatible RDP bitmap caches characteristic, and repetition is only sent when network is bad to be made
Bitmap, the bitmap of redundancy is abandoned, the data volume of network transmission is greatly decreased, while decrease the big of desktop video file
It is small.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (9)
- A kind of 1. processing method of remote desktop image command, using including server (11), protocol resolution module (12), instruction Distribution module (13), director data bag sending module (14) and client (15), comprise the following steps：S1, the protocol resolution module (12) receive desktop data from the server (11), and desktop data is entered according to agreement Remote desktop data after parsing are packaged into remote desktop image command, and image command is put into queue to be sent by row parsing In；S2, the instruction distribution module (13) travel through all users, and the image command in user's queue to be sent is handled And judgement, and according to different situation selection distribution presumptive instructions or carry out reduced instruction distribution compensating instruction；The image command of buffering area is packaged into packet by S3, the director data bag distribution module, according to WebSocket agreements Image command packet is sent to client (15).
- A kind of 2. processing method of remote desktop image command according to claim 1, it is characterised in that step S1 agreements Parsing module (12) is in the step of parsing desktop picture data, including following sub-step：S11, from server receive desktop data；S12, according to protocol analysis desktop data；S13, desktop picture is rendered in internal memory；S14, desktop data is packaged into image command, and image command is put into the queue to be sent of instruction distribution module (13) In；Out-of-date image command in S15, cleaning queue to be sent；S16, jump to step S11 circulation execution.
- 3. the processing method of a kind of remote desktop image command according to claim 1, it is characterised in that step S2 includes Following sub-step：S21, the instruction distribution module (13) travel through all users；S22, the image instruction queue situation to be sent to user judge, step S28 is jumped to if it can not distribute；S23, the instruction distribution module (13) are distributed to the legacy instructions in the queue to be sent of user before, if in distribution It is disconnected then jump to step S28；S24, the instruction distribution module (13) determine whether not distribute original image instruction, if so, then jumping to step S28；S25, the instruction distribution module (13) judge whether that distribution original image instructs, if so, then referring to original image Order is distributed, and then branches to step S28；S26, described instruction distribution module (13) reduced instruction, abandon all instructions in queue, calculate the folded of the instruction that is dropped The update area R added, it is new compensating instruction by the Image Coding of the desktop picture interception area R in internal memory, by compensating instruction It is added to legacy instructions queue；S27, the instruction distribution module (13) attempt to distribute again legacy instructions to user；S28, judge whether to travel through all users, if it is not, then jumping to step S21；If so, instruction distribution terminates.
- A kind of 4. processing method of remote desktop image command according to claim 3, it is characterised in that step S25 bags Include following sub-step：S251, judge whether the size of original image instruction to be sent is less than arranges value, carried out if so, then being instructed to original image Distribution；If it is not, then jump in next step；S252, judge whether the quantity of original image instruction to be sent is less than arranges value, carried out if so, then being instructed to original image Distribution；If it is not, then jump in next step；S253, judge whether the instruction number for the RDP text types that original image instruction to be sent includes is less than arranges value, if It is that then original image instruction is distributed；If it is not, then jump in next step.
- 5. the processing method of a kind of remote desktop image command according to claim 1, it is characterised in that step S3 includes Following sub-step：The image command that S31, client (15) please look for novelty to director data bag, if user's treats corresponding to the client (15) Transmit queue is sky, then obstruction is waited for a period of time, and S33 is jumped to if again without image command；The instruction of the queue to be sent of user is put into transmission buffering area by S32, the director data bag sending module (14), until Send buffering area to fill up, then carry out package processing；Packet is sent to client (15) by S33, the director data bag sending module (14) by WebSocket agreements；The desktop picture director data bag that S34, client (15) parsing receive, and system screen is rendered into, this request Answering terminates, and jumps to step S31.
- A kind of 6. processing method of remote desktop image command according to claim 1, it is characterised in that the instruction point Hair module (13) is distributed when distributing instruction using request-answer-mode.
- A kind of 7. processing method of remote desktop image command according to claim 1, it is characterised in that the instruction number According to bag sending module (14) asynchronous transmission pattern is used when sending director data bag.
- 8. a kind of processing system of remote desktop image command, it is characterised in that including server (11), protocol resolution module (12) distribution module (13), director data bag sending module (14) and client (15), are instructed.
- A kind of 9. processing system of remote desktop image command according to claim 8, it is characterised in that the server (11) it is used to remote desktop view data is sent into protocol resolution module (12) according to the request of user；The protocol analysis mould Block (12) is used to parse remote desktop view data according to agreement, and the remote desktop data after parsing are packaged into figure As the queue to be sent of instruction distribution module (13) is put into instruction；The instruction distribution module (13) is used for the image to user Instruction situation in the queue to be sent of instruction judged and handled, and according to different situation selection distribution presumptive instructions or Person carries out reduced instruction distribution compensating instruction；The director data bag sending module (14) is used for will according to WebSocket agreements Packaged desktop picture director data bag is sent to client (15)；The client (15) is used for the instruction number that will be received System screen is rendered into according to bag.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109542074A (en) * | 2019-01-04 | 2019-03-29 | 中国科学技术大学 | For the experimental provision control system and method for low-bandwidth remote link |
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