CN104899019A - Screen information recording method and apparatus in virtual environment - Google Patents
Screen information recording method and apparatus in virtual environment Download PDFInfo
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- CN104899019A CN104899019A CN201510212141.4A CN201510212141A CN104899019A CN 104899019 A CN104899019 A CN 104899019A CN 201510212141 A CN201510212141 A CN 201510212141A CN 104899019 A CN104899019 A CN 104899019A
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Abstract
The present invention relates to a screen information recording method in the virtual environment. A trigger instruction is received from a Hypervisor; the screen information sent to the Hypervisor from a virtual operating system of the virtual machine is intercepted according to the trigger instruction; screen recording information is received; and backup for the intercepted instruction is carried out according to the screen recording instruction. With the adoption of the present method, the screen recording function can be achieved in the condition of not installing third party screen recording software or plugin in the virtual environment. In addition, the invention further provides a screen information recording apparatus in the virtual environment.
Description
Technical field
The present invention relates to virtual technology field, particularly relate to the method and apparatus that in a kind of virtual environment, screen message is recorded.
Background technology
Along with popularizing of Intel Virtualization Technology, increasing enterprise starts to dispose VDI (Virtual Desktop Infrastructure, virtual desktop architecture) at present.By the server operation system of the heart in the data, by the desktop virtual of user.User is connected with virtual desktop by the calculating agreement of client device, and the desktop that user accesses them is just that the traditional local desktop of access is the same.VDI can bring simplify operation and management and cost-saving etc. many simultaneously easily, the safety of the server of data center also becomes an emphasis of people's concern.Usual people can consider that the mode of screen recording carries out monitoring and auditing to the operation behavior of user, protect the safety of server with this.
Traditional screen recording could realize screen recording function after needing to install third-party screen recording software or plug-in unit on operating system of user.If user does not wish monitored, screen recording software or plug-in unit are uninstalled, just lose screen recording function.And in different operating system, needing screen recording software or plug-in unit that different editions is installed, the operating system that even may have not support screen records the situation of software or plug-in unit.Also need the compatibility considering screen recording software or plug-in unit.How in virtual environment, realizing screen recording function when not installing third party's screen recording software or plug-in unit, becoming the technical matters being badly in need of at present solving.
Summary of the invention
Based on this, be necessary for above-mentioned technical matters, provide a kind of in virtual environment, realize the method and apparatus that in the virtual environment of screen recording function, screen message is recorded when not installing third party's screen recording software or plug-in unit.
The method that in virtual environment, screen message is recorded, described method comprises:
Receive the triggering command sent by Hypervisor;
The screen message of Hypervisor is sent to according to the virtual opetrating system of described triggering command intercepting and capturing virtual machine;
Receive screen record command;
According to described screen recording instruction, the screen message intercepted and captured is backed up.
Wherein in an embodiment, after the step of the triggering command sent by Hypervisor in described reception, also comprise:
Be sent to the screen message of Hypervisor by virtual long agreement according to described triggering command intercepting and capturing client.
Wherein in an embodiment, the described step backed up according to the screen message of described screen recording instruction to intercepting and capturing comprises:
Timestamp is added to the screen message of described intercepting and capturing;
Sort according to the screen message of described timestamp to described intercepting and capturing;
Screen message after sequence is compressed;
Screen message after compression is carried out backup preserve.
Wherein in an embodiment, after the step of described reception screen record command, also comprise:
Filter according to the screen message of default filtering policy to described intercepting and capturing;
According to described screen recording instruction, the screen message after filtration is backed up.
Wherein in an embodiment, after the described step screen message intercepted and captured backed up according to described screen recording instruction, also comprise:
Receive play-back command;
According to described play-back command, the screen message backed up is carried out playback.
The device that in virtual environment, screen message is recorded, described device comprises:
Receiver module, for receiving the triggering command sent by Hypervisor;
Interception module, the virtual opetrating system for intercepting and capturing virtual machine according to described triggering command is sent to the screen message of Hypervisor;
Described receiver module is also for receiving screen record command;
Backup module, for backing up the screen message intercepted and captured according to described screen recording instruction.
Wherein in an embodiment, described interception module is also for being sent to the screen message of Hypervisor by virtual long agreement according to described triggering command intercepting and capturing client.
Wherein in an embodiment, described backup module comprises:
Adding device, for adding timestamp to the screen message of described intercepting and capturing;
Sequencing unit, for sorting according to the screen message of described timestamp to described intercepting and capturing;
Compression unit, for compressing the screen message after sequence;
Storage unit, preserves for the screen message after compression is carried out backup.
Wherein in an embodiment, described device also comprises:
Filtering module, for filtering according to presetting the screen message of filtering policy to described intercepting and capturing;
Described backup module is also for backing up the screen message after filtration according to described screen recording instruction.
Wherein in an embodiment, described receiver module is also for receiving play-back command;
Described device also comprises:
Playback module, for carrying out playback according to described play-back command by the screen message backed up.
The method and apparatus that in above-mentioned virtual environment, screen message is recorded, receives the triggering command sent by Hypervisor; The screen message of Hypervisor is sent to according to the virtual opetrating system of triggering command intercepting and capturing virtual machine; Receive screen record command; According to screen recording instruction, the screen message intercepted and captured is backed up.Because screen message is that operating system in virtual machine is sent to Hypervisor, based on the screen message between the Hypervisor of bottom and virtual machine, therefore without the need to installing any third party's screen recording software or these screen messages can be intercepted and captured by plug-in unit.According to screen recording instruction, the screen message intercepted and captured is backed up thus, achieve and realize screen recording function when not installing third party's screen recording software or plug-in unit in virtual environment.Owing to not needing to install third party's screen recording software or plug-in unit, and then do not need the version considering operating system yet, can all can be general in (SuSE) Linux OS, Android operation system, Windows operating system and other domestic operating system etc., overcome the problem of screen recording software or plug-in unit compatibility.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of screen message method for recording in virtual environment in an embodiment;
Fig. 2 is the structural representation of screen message record device in virtual environment in an embodiment;
Fig. 3 is the structural representation of backup module in an embodiment;
Fig. 4 is the structural representation of screen message record device in virtual environment in another embodiment;
Fig. 5 is the structural representation of screen message record device in virtual environment in another embodiment.
Embodiment
In one embodiment, as shown in Figure 1, provide a kind of method that in virtual environment, screen message is recorded, specifically comprise:
Step 102, receives the triggering command sent by Hypervisor.
Hypervisor refers to a kind of intermediate software layer operated between physical server and operating system, multiple operating system and a set of underlying physical hardware of Application share can be allowed, it can all physical equipments on coordinating access server and virtual machine, is also virtual machine monitor (Virtual Machine Monitor).
Hypervisor is provided with trigger key, and user's clicking trigger button sends triggering command.In addition, also can be provided with configuration file in Hypervisor, configuration file comprises and triggers relevant content.Automatically triggering command can be generated according to this configuration file.
Step 104, is sent to the screen message of Hypervisor according to the virtual opetrating system of triggering command intercepting and capturing virtual machine.
Based in the framework of VDI, the upper operation of Hypervisor has virtual machine (Virtual Machine is called for short VM).Virtual machine runs and has virtual opetrating system.Screen message comprises image and drawing command etc. on virtual machine.Image on virtual machine and drawing command have virtual opetrating system to generate, and are sent in Hypervisor by virtual opetrating system.After receiving triggering command, according to this triggering command by virtual opetrating system the screen message be sent in Hypervisor tackle.
Step 106, receives screen record command.
User according to actual needs, during as there is virus document or stealing the situations such as classified papers, sends screen recording instruction by client and monitors.Accordingly, Hypervisor receives screen record command.
Step 108, backs up the screen message intercepted and captured according to screen recording instruction.
Hypervisor is connected by procotol and server, concrete, Hypervisor is by TCP (Transmission Control Protocol, transmission control protocol) agreement and server connect, to go forward side by side Serial Communication, the screen message of intercepting and capturing is sent to server, leaves in successively in default file by preset format on the server, preset format does not limit herein, can be .VDI form or user-defined form.Preserve after default file is compressed.That is, back up to server all completely according to screen recording instruction to the screen message intercepted and captured to preserve at every turn.
In the present embodiment, receive the triggering command sent by Hypervisor; The screen message of Hypervisor is sent to according to the virtual opetrating system of triggering command intercepting and capturing virtual machine; Receive screen record command; According to screen recording instruction, the screen message intercepted and captured is backed up.Because screen message is that operating system in virtual machine is sent to Hypervisor, based on the screen message between the Hypervisor of bottom and virtual machine, therefore without the need to installing any third party's screen recording software or these screen messages can be intercepted and captured by plug-in unit.According to screen recording instruction, the screen message intercepted and captured is backed up thus, achieve and realize screen recording function when not installing third party's screen recording software or plug-in unit in virtual environment.Owing to not needing to install third party's screen recording software or plug-in unit, and then do not need the version considering operating system yet, can all can be general in (SuSE) Linux OS, Android operation system, Windows operating system and other domestic operating system etc., overcome the problem of screen recording software or plug-in unit compatibility.
In one embodiment, after the step receiving the triggering command sent by Hypervisor, also comprise: the screen message being sent to Hypervisor according to triggering command intercepting and capturing client by virtual long agreement.
In the present embodiment, when user is operated by client, by virtual long agreement, the screen message that user triggers is sent to Hypervisor.The screen message that user triggers comprises the mouse event that user triggers, the KeyEvent that user triggers, the sound recording that user triggers, USB (Universal Serial Bus, the USB (universal serial bus)) transmission etc. that user triggers.Owing to sending screen message by virtual long agreement to Hypervisor, therefore do not need third party's screen recording software or plug-in unit are installed, the version considering operating system is not needed yet, all can be general in several operation systems etc., overcome the problem of screen recording software or plug-in unit compatibility, effectively prevent user simultaneously and unload screen recording software or plug-in unit cannot carry out monitoring and auditing problem to user operation.
In one embodiment, according to screen recording instruction, the step that the screen message intercepted and captured backs up is comprised: timestamp is added to the screen message intercepted and captured; According to timestamp, the screen message intercepted and captured is sorted; Screen message after sequence is compressed; Screen message after compression is carried out backup preserve.
In the present embodiment, according to recording initial time, timestamp is added to screen message, record the time that namely initial time receives screen recording instruction.According to timestamp, the screen message intercepted and captured is sorted, namely sort according to the sequencing recording initial time, the screen message after sequence is compressed.Screen message after compression can be .rar form or .zip form etc.Screen message after compression is carried out backup preserve.Because the screen message temporally stabbed intercepting and capturing sorts, playback can be carried out when subsequent playback according to time sequencing thus.Screen message after sequence is compressed, effectively can utilize the storage space of server, the space utilisation of server is provided.
In one embodiment, after the step receiving screen record command, also comprise: according to default filtering policy, the screen message intercepted and captured is filtered; According to screen recording instruction, the screen message after filtration is backed up.
In the present embodiment, default filtering policy refers to the mode of filtering the screen message intercepted and captured.Concrete, sharpness condition can be preset according to the requirement of user to picture quality.The frame number of the screen message of intercepting and capturing is carried out merging or abandoning according to default sharpness condition, thus the screen message intercepted and captured is filtered.Screen message after filtering is backed up to server completely.By filtering the screen message intercepted and captured, the storage pressure of server effectively can be reduced.
In one embodiment, after the step screen message intercepted and captured backed up according to screen recording instruction, also comprise: receive play-back command; According to play-back command, the screen message backed up is carried out playback.
In the present embodiment, when the screen message that user needs playback to record, receive the play-back command that user is sent by playback client, obtain the screen message backed up according to this play-back command from server, carry out playback, and show in playback client.The client sending play-back command can be different clients from the client being sent screen message by virtual long agreement, also can be same client.By recording screen message and playback screen information, effective monitoring and audit can be carried out to user operation, thus effectively can carry out safeguard protection to the server of data center under VDI framework.
In one embodiment, as shown in Figure 2, provide the device that in a kind of virtual environment, screen message is recorded, this device comprises: receiver module 202, interception module 204 and backup module 206, wherein:
Receiver module 202, for receiving the triggering command sent by Hypervisor.
Interception module 204, the virtual opetrating system for intercepting and capturing virtual machine according to triggering command is sent to the screen message of Hypervisor.
Receiver module 202 is also for receiving screen record command.
Backup module 206, for backing up the screen message intercepted and captured according to screen recording instruction.
In the present embodiment, based in the framework of VDI, the upper operation of Hypervisor has virtual machine (Virtual Machine is called for short VM).Virtual machine runs and has virtual opetrating system.Screen message comprises image and drawing command etc. on virtual machine.Image on virtual machine and drawing command have virtual opetrating system to generate, and are sent in Hypervisor by virtual opetrating system.Hypervisor is provided with trigger key, and user's clicking trigger button sends triggering command.In addition, also can be provided with configuration file in Hypervisor, configuration file comprises and triggers relevant content.Automatically triggering command can be generated according to this configuration file.Receiver module 202 receives this triggering command.Interception module 204 directly load by Hypervisor, the virtual opetrating system directly can intercepting and capturing virtual machine is sent to the screen message of Hypervisor.After receiver module 202 receives the screen recording instruction of user's communication client transmission, backup module 206 backs up the screen message intercepted and captured according to screen recording instruction.Because screen message is that operating system in virtual machine is sent to Hypervisor, based on the screen message between the Hypervisor of bottom and virtual machine, therefore without the need to installing any third party's screen recording software or these screen messages can be intercepted and captured by plug-in unit.According to screen recording instruction, the screen message intercepted and captured is backed up thus, achieve and realize screen recording function when not installing third party's screen recording software or plug-in unit in virtual environment.Owing to not needing to install third party's screen recording software or plug-in unit, and then do not need the version considering operating system yet, can all can be general in (SuSE) Linux OS, Android operation system, Windows operating system and other domestic operating system etc., overcome the problem of screen recording software or plug-in unit compatibility.
In one embodiment, interception module 204 is also for being sent to the screen message of Hypervisor by virtual long agreement according to triggering command intercepting and capturing client.
In the present embodiment, when user is operated by client, by virtual long agreement, the screen message that user triggers is sent to Hypervisor.The screen message that user triggers comprises the mouse event that user triggers, the KeyEvent that user triggers, the sound recording that user triggers, the USB transmission etc. that user triggers.Owing to sending screen message by virtual long agreement to Hypervisor, therefore do not need third party's screen recording software or plug-in unit are installed, the version considering operating system is not needed yet, all can be general in several operation systems etc., overcome the problem of screen recording software or plug-in unit compatibility, effectively prevent user simultaneously and unload screen recording software or plug-in unit cannot carry out monitoring and auditing problem to user operation.
In one embodiment, as shown in Figure 3, backup module 206 comprises: adding device 206a, sequencing unit 206b, compression unit 206c and storage unit 206d, wherein:
Adding device 206a, for adding timestamp to the screen message intercepted and captured.
Sequencing unit 206b, for sorting to the screen message intercepted and captured according to timestamp.
Compression unit 206c, for compressing the screen message after sequence.
Storage unit 206d, preserves for the screen message after compression is carried out backup.
In the present embodiment, adding device 206a adds timestamp to screen message according to recording initial time, records the time that namely initial time receives screen recording instruction.Sequencing unit 206b sorts to the screen message intercepted and captured according to timestamp, namely sorts according to the sequencing recording initial time, and the screen message after sequence compresses by compression unit 206c.Screen message after compression can be .rar form or .zip form etc.Screen message after compression is carried out backup and preserves by storage unit 206d.Because the screen message temporally stabbed intercepting and capturing sorts, playback can be carried out when subsequent playback according to time sequencing thus.Screen message after sequence is compressed, effectively can utilize the storage space of server, the space utilisation of server is provided.
In one embodiment, as shown in Figure 4, this device also comprises: filtering module 208, for filtering the screen message intercepted and captured according to presetting filtering policy; Backup module 206 is also for backing up the screen message after filtration according to screen recording instruction.
In the present embodiment, default filtering policy refers to the mode of filtering the screen message intercepted and captured.Concrete, sharpness condition can be preset according to the requirement of user to picture quality.The frame number of the screen message of intercepting and capturing carries out merging or abandoning according to default sharpness condition by filtering module 208, filters thus to the screen message intercepted and captured.Screen message after filtering is backed up to server completely.By filtering the screen message intercepted and captured, the storage pressure of server effectively can be reduced.
In one embodiment, receiver module 202 is also for receiving play-back command; As shown in Figure 5, this device also comprises: playback module 210, for the screen message backed up being carried out playback according to play-back command.
In the present embodiment, when the screen message that user needs playback to record, receiver module 202 receives the play-back command that user is sent by playback client, and playback module 210 obtains the screen message backed up from server according to this play-back command, carry out playback, and show in playback client.The client sending play-back command can be different clients from the client being sent screen message by virtual long agreement, also can be same client.By recording screen message and playback screen information, effective monitoring and audit can be carried out to user operation, thus effectively can carry out safeguard protection to the server of data center under VDI framework.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the method that in virtual environment, screen message is recorded, described method comprises:
Receive the triggering command sent by Hypervisor;
The screen message of Hypervisor is sent to according to the virtual opetrating system of described triggering command intercepting and capturing virtual machine;
Receive screen record command;
According to described screen recording instruction, the screen message intercepted and captured is backed up.
2. method according to claim 1, is characterized in that, after the step of the triggering command sent by Hypervisor in described reception, also comprises:
Be sent to the screen message of Hypervisor by virtual long agreement according to described triggering command intercepting and capturing client.
3. method according to claim 1, is characterized in that, the described step backed up according to the screen message of described screen recording instruction to intercepting and capturing comprises:
Timestamp is added to the screen message of described intercepting and capturing;
Sort according to the screen message of described timestamp to described intercepting and capturing;
Screen message after sequence is compressed;
Screen message after compression is carried out backup preserve.
4. method according to claim 1, is characterized in that, after the step of described reception screen record command, also comprises:
Filter according to the screen message of default filtering policy to described intercepting and capturing;
According to described screen recording instruction, the screen message after filtration is backed up.
5. the method according to any one of claim 1-4, is characterized in that, after the described step backed up the screen message intercepted and captured according to described screen recording instruction, also comprises:
Receive play-back command;
According to described play-back command, the screen message backed up is carried out playback.
6. the device that in virtual environment, screen message is recorded, it is characterized in that, described device comprises:
Receiver module, for receiving the triggering command sent by Hypervisor;
Interception module, the virtual opetrating system for intercepting and capturing virtual machine according to described triggering command is sent to the screen message of Hypervisor;
Described receiver module is also for receiving screen record command;
Backup module, for backing up the screen message intercepted and captured according to described screen recording instruction.
7. device according to claim 6, is characterized in that, described interception module is also for being sent to the screen message of Hypervisor by virtual long agreement according to described triggering command intercepting and capturing client.
8. device according to claim 6, is characterized in that, described backup module comprises:
Adding device, for adding timestamp to the screen message of described intercepting and capturing;
Sequencing unit, for sorting according to the screen message of described timestamp to described intercepting and capturing;
Compression unit, for compressing the screen message after sequence;
Storage unit, preserves for the screen message after compression is carried out backup.
9. device according to claim 6, is characterized in that, described device also comprises:
Filtering module, for filtering according to presetting the screen message of filtering policy to described intercepting and capturing;
Described backup module is also for backing up the screen message after filtration according to described screen recording instruction.
10. the device according to any one of claim 6-9, is characterized in that, described receiver module is also for receiving play-back command;
Described device also comprises:
Playback module, for carrying out playback according to described play-back command by the screen message backed up.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106791136A (en) * | 2016-12-29 | 2017-05-31 | 努比亚技术有限公司 | A kind of video record processing method, device and terminal |
| CN111367753A (en) * | 2018-12-26 | 2020-07-03 | 中兴通讯股份有限公司 | Cloud desktop screen recording method and device based on network communication engine ICE architecture |
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| CN101609401A (en) * | 2009-07-02 | 2009-12-23 | 深圳市万兴软件有限公司 | A kind of non-interference screen recording method and system |
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