CN105469772A - Remote KVM (Keyboard Video Mouse) control method, remote KVM control terminal and system - Google Patents
Remote KVM (Keyboard Video Mouse) control method, remote KVM control terminal and system Download PDFInfo
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- CN105469772A CN105469772A CN201511031390.XA CN201511031390A CN105469772A CN 105469772 A CN105469772 A CN 105469772A CN 201511031390 A CN201511031390 A CN 201511031390A CN 105469772 A CN105469772 A CN 105469772A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/24—Keyboard-Video-Mouse [KVM] switch
Abstract
The embodiment of the invention discloses a remote KVM (Keyboard Video Mouse) control method, a remote KVM control terminal and a system, which solves the technical problems of high bandwidth occupancy in the case of high resolution or not smooth image in the case of high resolution and low bandwidth existing in the current remote KVM system. The remote KVM control method of the embodiment of the invention comprises steps: image data, for capturing the native desktop, sent by a controlled terminal in a connection relationship are acquired, and the image is displayed; monitoring of a key mouse operation event is carried out; and when the key mouse operation event is monitored to happen, a key mouse operation event message corresponding to the key mouse operation event is sent to the controlled terminal for carrying out operation corresponding to the key mouse operation event message.
Description
Technical field
The present invention relates to computer communication technology field, particularly relate to a kind of long-range KVM control method, long-range KVM control end and system.
Background technology
KVM: the abbreviation being exactly KeyboardVideoMouse.KVM switch, by directly connecting keyboard, video and mouse (KVM) port, you can be accessed and computer for controlling.KVM technology revises software without the need to destination server.This just means can under the BIOS environment of Windows, access destination computing machine at any time.KVM provides real mainboard level access, and supports multi-platform server and serial device.
KVM technology, from initial basic SOHO office type, develops into enterprise IT basis machine room facilities management system.The server and the equipment that are positioned at multiple remote location can be directly accessed easily from kvm client-side management software.KVMoverIP solution possesses perfect many site failures forwarding function, meets the direct interface of new server admin standard (IPMI), and local medium is mapped to the function of remote location.
There is high resolving power Time Bandwidth and take higher in current remote kvm system, or the technical matters that when high resolving power, low bandwidth, image is smooth not.
Summary of the invention
The one that the embodiment of the present invention provides long-range KVM control method, long-range KVM control end and system, the high resolving power Time Bandwidth solving the existence of current remote kvm system takies higher, or the technical matters that when high resolving power, low bandwidth, image is smooth not.
The long-range KVM control method of the one that the embodiment of the present invention provides, comprising:
Get the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image;
Carry out the monitoring of key mouse Action Events;
Occurring when listening to described key mouse Action Events, key mouse Action Events message corresponding for described key mouse Action Events being sent to described controlled end and carrying out the operation corresponding with described key mouse Action Events message.
Alternatively, get the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and also comprise before showing image:
By the IP address that pre-enters, username and password, authentication is carried out to the described controlled end corresponding with described IP address to be connected, and determine that checking is correct;
Determine that described authentication is correct, to establish a communications link relation with described controlled end.
Alternatively, get the view data of crawl Native Desktop set up and have the controlled end of annexation to send, and show image and specifically comprise:
Get being captured by Driving technique of described controlled end transmission, and carry out the described view data of the described Native Desktop after data coded treatment;
Described view data is put into preset round-robin queue;
To the decoding data extracted according to preset frame per second in described round-robin queue, and the image of display correspondence on the table.
Alternatively, the data encoding of described view data is for adopting H264 coded system, or interframe compression and frame data compression mode.
Alternatively, described view data is put into preset round-robin queue specifically to comprise:
Described view data is put into preset round-robin queue;
Add up the described view data got every preset time period, Mobile state frame per second of going forward side by side adjusts.
The long-range KVM control end of the one that the embodiment of the present invention provides, comprising:
Acquiring unit, for getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and shows image;
Monitoring unit, for carrying out the monitoring of key mouse Action Events;
Key mouse operating unit, for occurring when listening to described key mouse Action Events, being sent to described controlled end by key mouse Action Events message corresponding for described key mouse Action Events and carrying out the operation corresponding with described key mouse Action Events message.
Alternatively, described long-range KVM control end also comprises:
Authentication unit, carries out authentication for the IP address by pre-entering, username and password to the described controlled end corresponding with described IP address to be connected, and determines that checking is correct;
Communication connection unit, for determining that described authentication is correct, to establish a communications link relation with described controlled end.
Alternatively, acquiring unit specifically comprises:
Obtaining subelement, for getting being captured by Driving technique of described controlled end transmission, and carrying out the described view data of the described Native Desktop after data coded treatment;
Queue processing subelement, for putting into preset round-robin queue by described view data;
Decoding display subelement, for the decoding data extracted according to preset frame per second in described round-robin queue, and image corresponding to display is on the table;
Wherein, the data encoding of described view data is for adopting H264 coded system, or interframe compression and frame data compression mode.
Alternatively, queue processing subelement, specifically for described view data is put into preset round-robin queue, and adds up the described view data got every preset time period, and Mobile state frame per second of going forward side by side adjusts.
The long-range KVM control system of the one that the embodiment of the present invention provides, comprising:
At least one controlled end, and mention in the embodiment of the present invention any one described in long-range KVM control end;
Described long-range KVM control end and described controlled end set up annexation;
Described controlled end, for sending the view data of the Native Desktop of crawl to described long-range KVM control end, and occur when described long-range KVM control end listens to key mouse Action Events, get the key mouse Action Events message corresponding with described key mouse Action Events that described long-range KVM control end sends, carry out the operation corresponding with described key mouse Action Events message.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
The one that the embodiment of the present invention provides long-range KVM control method, long-range KVM control end and system, wherein, long-range KVM control method comprises: get the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image; Carry out the monitoring of key mouse Action Events; Occurring when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events being sent to controlled end and carrying out the operation corresponding with key mouse Action Events message.In this enforcement, by getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image, then the monitoring of key mouse Action Events is carried out, occur when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events is sent to controlled end and carries out the operation corresponding with key mouse Action Events message, the high resolving power Time Bandwidth solving the existence of current remote kvm system takies higher, or the technical matters that when high resolving power, low bandwidth, image is smooth not.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of an embodiment of a kind of long-range KVM control method that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of a kind of long-range KVM control method that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of a kind of long-range KVM control method that Fig. 3 provides for the embodiment of the present invention;
The structural representation of an embodiment of a kind of long-range KVM control end that Fig. 4 provides for the embodiment of the present invention;
The structural representation of another embodiment of a kind of long-range KVM control end that Fig. 5 provides for the embodiment of the present invention;
The structural representation of an embodiment of a kind of long-range KVM control system that Fig. 6 provides for the embodiment of the present invention;
Fig. 7 (a) and (b) are for being respectively the workflow schematic diagram of long-range KVM control end and controlled end.
Embodiment
The one that the embodiment of the present invention provides long-range KVM control method, long-range KVM control end and system, the high resolving power Time Bandwidth solving the existence of current remote kvm system takies higher, or the technical matters that when high resolving power, low bandwidth, image is smooth not.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of a kind of long-range KVM control method that the embodiment of the present invention provides comprises:
101, get the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image;
In the present embodiment, when needs ensure low delay, high-resolution while, reduce bandwidth usage, and when ensureing the fluency of image, first need to get the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image.
102, the monitoring of key mouse Action Events is carried out;
When getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and after showing image, need the monitoring carrying out key mouse Action Events.
103, occurring when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events being sent to controlled end and carrying out the operation corresponding with key mouse Action Events message.
Occurring when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events being sent to controlled end and carrying out the operation corresponding with key mouse Action Events message.
In this enforcement, by getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image, then the monitoring of key mouse Action Events is carried out, occur when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events is sent to controlled end and carries out the operation corresponding with key mouse Action Events message, the high resolving power Time Bandwidth solving the existence of current remote kvm system takies higher, or the technical matters that when high resolving power, low bandwidth, image is smooth not.
The above is described in detail the process of long-range KVM control method, will be described in detail below, and refer to Fig. 2 to additional process, and another embodiment of a kind of long-range KVM control method that the embodiment of the present invention provides comprises:
201, by the IP address that pre-enters, username and password, authentication is carried out to the controlled end corresponding with IP address to be connected, and determine that checking is correct;
In the present embodiment, when needs ensure low delay, high-resolution while, reduce bandwidth usage, and when ensureing the fluency of image, first need the IP address by pre-entering, username and password carries out authentication to the controlled end corresponding with IP address to be connected, and determine that checking is correct.
202, the checking that determines one's identity is correct, to establish a communications link relation with controlled end;
When the IP address by pre-entering, username and password carry out authentication to the controlled end corresponding with IP address to be connected, and after determining that checking is correct, the checking that needs to determine one's identity is correct, to establish a communications link relation with controlled end.
203, get being captured by Driving technique of controlled end transmission, and carry out the view data of the Native Desktop after data coded treatment;
When determining one's identity, checking is correct, establishes a communications link after relation with controlled end, needs to get that controlled end sends is captured by Driving technique, and carries out the view data of the Native Desktop after data coded treatment.
The data encoding of aforesaid view data is for adopting H264 coded system, or interframe compression and frame data compression mode.
204, view data is put into preset round-robin queue;
When getting being captured by Driving technique of controlled end transmission, and after carrying out the view data of the Native Desktop after data coded treatment, need view data to put into preset round-robin queue.
205, to the decoding data extracted according to preset frame per second in round-robin queue, and the image of display correspondence on the table;
After view data is put into preset round-robin queue, need the decoding data to extracting according to preset frame per second in round-robin queue, and the image of display correspondence on the table.
206, the monitoring of key mouse Action Events is carried out;
When to the decoding data extracted according to preset frame per second in round-robin queue, and image corresponding to display on the table after, need the monitoring carrying out key mouse Action Events.
207, occurring when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events being sent to controlled end and carrying out the operation corresponding with key mouse Action Events message.
Occurring when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events being sent to controlled end and carrying out the operation corresponding with key mouse Action Events message.
In the present embodiment, by getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image, then the monitoring of key mouse Action Events is carried out, occur when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events is sent to controlled end and carries out the operation corresponding with key mouse Action Events message, the high resolving power Time Bandwidth solving the existence of current remote kvm system takies higher, or high resolving power, the technical matters that during low bandwidth, image is smooth not, and control end is by the protocol interaction of network through necessity, the processes such as authentication, controlled end in connection, controlled end captures Native Desktop view data, sends to control end after coding, after control end receives data, decode and show, when control end rolling mouse or operation keyboard, native system can perceive these events, and these events are sent a controlled end according to the agreement of agreement, after controlled end receives event message, be converted into corresponding key mouse operation.Like this, on the desktop picture of the controlled end of control end display, just can see the effect that the operation of corresponding key mouse produces, complete long-range KVM reciprocal process, controlled end adopts Driving technique to capture Native Desktop view data, control end is sent to through network after data encoding, System Core phychology is run on owing to driving, execution efficiency is high, thus fundamentally ensure that high resolving power and the fluency of image, data encoding takes the H264 coded system of network bandwidth adaptive, can maximization network utilization factor, interframe compression and frame data compression is additionally used with data encoding, can maximum picture quality.
The above is described in detail additional process, be described in detail to detailed process view data being put into preset round-robin queue below, refer to Fig. 3, another embodiment of a kind of long-range KVM control method that the embodiment of the present invention provides comprises:
301, by the IP address that pre-enters, username and password, authentication is carried out to the controlled end corresponding with IP address to be connected, and determine that checking is correct;
In the present embodiment, when needs ensure low delay, high-resolution while, reduce bandwidth usage, and when ensureing the fluency of image, first need the IP address by pre-entering, username and password carries out authentication to the controlled end corresponding with IP address to be connected, and determine that checking is correct.
302, the checking that determines one's identity is correct, to establish a communications link relation with controlled end;
When the IP address by pre-entering, username and password carry out authentication to the controlled end corresponding with IP address to be connected, and after determining that checking is correct, the checking that needs to determine one's identity is correct, to establish a communications link relation with controlled end.
303, get being captured by Driving technique of controlled end transmission, and carry out the view data of the Native Desktop after data coded treatment;
When determining one's identity, checking is correct, establishes a communications link after relation with controlled end, needs to get that controlled end sends is captured by Driving technique, and carries out the view data of the Native Desktop after data coded treatment.
The data encoding of aforesaid view data is for adopting H264 coded system, or interframe compression and frame data compression mode.
304, view data is put into preset round-robin queue;
When getting being captured by Driving technique of controlled end transmission, and after carrying out the view data of the Native Desktop after data coded treatment, need view data to put into preset round-robin queue.
305, add up the view data got every preset time period, Mobile state frame per second of going forward side by side adjusts;
After view data is put into preset round-robin queue, need to add up the view data got every preset time period, Mobile state frame per second of going forward side by side adjusts.
306, to the decoding data extracted according to preset frame per second in round-robin queue, and the image of display correspondence on the table;
After step 304 or step 305, need the decoding data to extracting according to preset frame per second in round-robin queue, and the image of display correspondence on the table.
307, the monitoring of key mouse Action Events is carried out;
When to the decoding data extracted according to preset frame per second in round-robin queue, and image corresponding to display on the table after, need the monitoring carrying out key mouse Action Events.
308, occurring when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events being sent to controlled end and carrying out the operation corresponding with key mouse Action Events message.
Occurring when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events being sent to controlled end and carrying out the operation corresponding with key mouse Action Events message.
In the present embodiment, by getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image, then the monitoring of key mouse Action Events is carried out, occur when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events is sent to controlled end and carries out the operation corresponding with key mouse Action Events message, the high resolving power Time Bandwidth solving the existence of current remote kvm system takies higher, or high resolving power, the technical matters that during low bandwidth, image is smooth not, and control end is by the protocol interaction of network through necessity, the processes such as authentication, controlled end in connection, controlled end captures Native Desktop view data, sends to control end after coding, after control end receives data, decode and show, when control end rolling mouse or operation keyboard, native system can perceive these events, and these events are sent a controlled end according to the agreement of agreement, after controlled end receives event message, be converted into corresponding key mouse operation.Like this, on the desktop picture of the controlled end of control end display, just can see the effect that the operation of corresponding key mouse produces, complete long-range KVM reciprocal process, controlled end adopts Driving technique to capture Native Desktop view data, control end is sent to through network after data encoding, System Core phychology is run on owing to driving, execution efficiency is high, thus fundamentally ensure that high resolving power and the fluency of image, data encoding takes the H264 coded system of network bandwidth adaptive, can maximization network utilization factor, interframe compression and frame data compression is additionally used with data encoding, can maximum picture quality, simultaneously, at regular intervals the data received are added up, carry out dynamic frame per second adjustment, the fluency of further guarantee image.
Refer to Fig. 4, an embodiment of a kind of long-range KVM control end that the embodiment of the present invention provides comprises:
Acquiring unit 401, for getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and shows image;
Monitoring unit 402, for carrying out the monitoring of key mouse Action Events;
Key mouse operating unit 403, for occurring when listening to key mouse Action Events, being sent to controlled end by key mouse Action Events message corresponding for key mouse Action Events and carrying out the operation corresponding with key mouse Action Events message.
In the present embodiment, the view data setting up the crawl Native Desktop having the controlled end of annexation to send is got by acquiring unit 401, and show image, then monitoring unit 402 carries out the monitoring of key mouse Action Events, key mouse operating unit 403 occurs when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events is sent to controlled end and carries out the operation corresponding with key mouse Action Events message, the high resolving power Time Bandwidth solving the existence of current remote kvm system takies higher, or high resolving power, the technical matters that during low bandwidth, image is smooth not.
The above is described in detail each unit of long-range KVM control end, will be described in detail below, and refer to Fig. 5 to extra cell and subelement, and another embodiment of a kind of long-range KVM control end that the embodiment of the present invention provides comprises:
Authentication unit 501, carries out authentication for the IP address by pre-entering, username and password to the controlled end corresponding with IP address to be connected, and determines that checking is correct;
Communication connection unit 502, for determining one's identity, checking is correct, to establish a communications link relation with controlled end.
Acquiring unit 503, for getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and shows image;
Acquiring unit 503 specifically comprises:
Obtaining subelement 5031, for getting being captured by Driving technique of controlled end transmission, and carrying out the view data of the Native Desktop after data coded treatment;
Queue processing subelement 5032, for view data is put into preset round-robin queue, column processing subelement 5032, specifically for putting into preset round-robin queue by view data, and every preset time period, the view data got is added up, Mobile state frame per second of going forward side by side adjusts;
Decoding display subelement 5033, for the decoding data extracted according to preset frame per second in round-robin queue, and image corresponding to display is on the table;
Wherein, the data encoding of view data is for adopting H264 coded system, or interframe compression and frame data compression mode.
Monitoring unit 504, for carrying out the monitoring of key mouse Action Events;
Key mouse operating unit 505, for occurring when listening to key mouse Action Events, being sent to controlled end by key mouse Action Events message corresponding for key mouse Action Events and carrying out the operation corresponding with key mouse Action Events message.
In the present embodiment, the view data setting up the crawl Native Desktop having the controlled end of annexation to send is got by acquiring unit 503, and show image, then monitoring unit 504 carries out the monitoring of key mouse Action Events, key mouse operating unit 505 occurs when listening to key mouse Action Events, key mouse Action Events message corresponding for key mouse Action Events is sent to controlled end and carries out the operation corresponding with key mouse Action Events message, the high resolving power Time Bandwidth solving the existence of current remote kvm system takies higher, or high resolving power, the technical matters that during low bandwidth, image is smooth not, and control end is by the protocol interaction of network through necessity, the processes such as authentication, controlled end in connection, controlled end captures Native Desktop view data, sends to control end after coding, after control end receives data, decode and show, when control end rolling mouse or operation keyboard, native system can perceive these events, and these events are sent a controlled end according to the agreement of agreement, after controlled end receives event message, be converted into corresponding key mouse operation.Like this, on the desktop picture of the controlled end of control end display, just can see the effect that the operation of corresponding key mouse produces, complete long-range KVM reciprocal process, controlled end adopts Driving technique to capture Native Desktop view data, control end is sent to through network after data encoding, System Core phychology is run on owing to driving, execution efficiency is high, thus fundamentally ensure that high resolving power and the fluency of image, data encoding takes the H264 coded system of network bandwidth adaptive, can maximization network utilization factor, interframe compression and frame data compression is additionally used with data encoding, can maximum picture quality, simultaneously, at regular intervals the data received are added up, carry out dynamic frame per second adjustment, the fluency of further guarantee image.
Refer to Fig. 6, an embodiment of a kind of long-range KVM control system that the embodiment of the present invention provides comprises:
At least one controlled end 61, and any one the long-range KVM control end 62 mentioned in Fig. 4 and Fig. 5;
Long-range KVM control end 62 sets up annexation with controlled end 61;
Controlled end 61, for sending the view data of the Native Desktop of crawl to long-range KVM control end 62, and occur when long-range KVM control end 62 listens to key mouse Action Events, get the key mouse Action Events message corresponding with key mouse Action Events that long-range KVM control end 62 sends, carry out the operation corresponding with key mouse Action Events message.
As shown in Fig. 7 (a) He (b), application examples comprises:
1, long-range KVM control end 62 fills in the IP address for control system, and inputs correct username and password, connects upper controlled end 61 through network;
2, controlled end 61 adopts Driving technique to capture Native Desktop view data, sends to long-range KVM control end 62 after data encoding through network; Run on System Core phychology owing to driving, execution efficiency is high, thus fundamentally ensure that high resolving power and the fluency of image; Data encoding takes the H264 coded system of network bandwidth adaptive, can maximization network utilization factor, and coded system also adopts interframe compression and frame data compression, can maximum picture quality;
3, long-range KVM control end 62 receives view data, puts it in round-robin queue, eliminates the not smooth problem of image that the network problems such as network jitter bring; Long-range KVM control end 62 takes out the data in round-robin queue according to certain frame per second, be presented at after decoding on board display, long-range KVM control end 62 is added up the data received at regular intervals, carries out dynamic frame per second adjustment, ensures the fluency of image further;
4, long-range KVM control end 62 operates the machine mouse and keyboard, and native system can detect these events from window message, after the operations such as normalized, these events is sent to controlled end by rendezvous protocol;
5, the event received is converted to corresponding mouse and keyboard operation by controlled end 61, completes long-range KVM and controls.
The one that the embodiment of the present invention provides long-range KVM control system can ensureing low delay, high-resolution while, reduce bandwidth usage, and ensure the fluency of image, can support to access while multiple system simultaneously.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a long-range KVM control method, is characterized in that, comprising:
Get the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and show image;
Carry out the monitoring of key mouse Action Events;
Occurring when listening to described key mouse Action Events, key mouse Action Events message corresponding for described key mouse Action Events being sent to described controlled end and carrying out the operation corresponding with described key mouse Action Events message.
2. long-range KVM control method according to claim 1, is characterized in that, gets the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and also comprises before showing image:
By the IP address that pre-enters, username and password, authentication is carried out to the described controlled end corresponding with described IP address to be connected, and determine that checking is correct;
Determine that described authentication is correct, to establish a communications link relation with described controlled end.
3. long-range KVM control method according to claim 2, is characterized in that, gets the view data of crawl Native Desktop set up and have the controlled end of annexation to send, and shows image and specifically comprise:
Get being captured by Driving technique of described controlled end transmission, and carry out the described view data of the described Native Desktop after data coded treatment;
Described view data is put into preset round-robin queue;
To the decoding data extracted according to preset frame per second in described round-robin queue, and the image of display correspondence on the table.
4. long-range KVM control method according to claim 3, is characterized in that, the data encoding of described view data is for adopting H264 coded system, or interframe compression and frame data compression mode.
5. long-range KVM control method according to claim 3, is characterized in that, described view data is put into preset round-robin queue and specifically comprises:
Described view data is put into preset round-robin queue;
Add up the described view data got every preset time period, Mobile state frame per second of going forward side by side adjusts.
6. a long-range KVM control end, is characterized in that, comprising:
Acquiring unit, for getting the view data setting up the crawl Native Desktop having the controlled end of annexation to send, and shows image;
Monitoring unit, for carrying out the monitoring of key mouse Action Events;
Key mouse operating unit, for occurring when listening to described key mouse Action Events, being sent to described controlled end by key mouse Action Events message corresponding for described key mouse Action Events and carrying out the operation corresponding with described key mouse Action Events message.
7. long-range KVM control end according to claim 6, is characterized in that, described long-range KVM control end also comprises:
Authentication unit, carries out authentication for the IP address by pre-entering, username and password to the described controlled end corresponding with described IP address to be connected, and determines that checking is correct;
Communication connection unit, for determining that described authentication is correct, to establish a communications link relation with described controlled end.
8. long-range KVM control end according to claim 7, it is characterized in that, acquiring unit specifically comprises:
Obtaining subelement, for getting being captured by Driving technique of described controlled end transmission, and carrying out the described view data of the described Native Desktop after data coded treatment;
Queue processing subelement, for putting into preset round-robin queue by described view data;
Decoding display subelement, for the decoding data extracted according to preset frame per second in described round-robin queue, and image corresponding to display is on the table;
Wherein, the data encoding of described view data is for adopting H264 coded system, or interframe compression and frame data compression mode.
9. long-range KVM control end according to claim 7, it is characterized in that, queue processing subelement, specifically for described view data is put into preset round-robin queue, and every preset time period, the described view data got is added up, Mobile state frame per second of going forward side by side adjusts.
10. a long-range KVM control system, is characterized in that, comprising:
At least one controlled end, and as the long-range KVM control end in claim 6 to 9 as described in any one;
Described long-range KVM control end and described controlled end set up annexation;
Described controlled end, for sending the view data of the Native Desktop of crawl to described long-range KVM control end, and occur when described long-range KVM control end listens to key mouse Action Events, get the key mouse Action Events message corresponding with described key mouse Action Events that described long-range KVM control end sends, carry out the operation corresponding with described key mouse Action Events message.
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