CN102546837B - Virtual host input-output redirection system and implementation method thereof - Google Patents
Virtual host input-output redirection system and implementation method thereof Download PDFInfo
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- CN102546837B CN102546837B CN201210066159.4A CN201210066159A CN102546837B CN 102546837 B CN102546837 B CN 102546837B CN 201210066159 A CN201210066159 A CN 201210066159A CN 102546837 B CN102546837 B CN 102546837B
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Abstract
The invention relates to a virtual host input-output redirection system and an implementation method thereof. The system comprises a communication module and a redirection connection module; and the redirection connection module comprises a redirection connection proxy module. The method comprises the following steps that: after receiving a connection request of a remote terminal, the redirection connection proxy module acquires a virtual host example information list from virtual host software; the remote terminal selects a virtual host example from the virtual host example information list, if the virtual host example is in a startup state, the redirection connection proxy module acquires the diver configuration of virtual input-output equipment of the virtual host example from the virtual host software, and creates a redirection module; and the remote terminal operates the virtual host example by using a data coding module, a redirection input module and a redirection output module of the redirection module and the drive example of each piece of virtual equipment. By the system and the method, the virtual host examples of various operating systems are conveniently supported, and smooth video and audio transmission can be realized.
Description
Technical field
The present invention relates to the fictitious host computer technology based on cloud computing infrastructure environment, be specifically related to I/O redirection system and its implementation of fictitious host computer.
Background technology
Along with the development of cloud computing technology with generally promote, the PC physical host that makes originally to move Windows and Linux is constantly virtual, realizes user and can use fictitious host computer by network and different terminal equipment.
Use the general fashion of fictitious host computer to have two kinds:
One, as shown in Figure 1, fictitious host computer software (as VMWare, VirtualBox, XenServer etc.) is installed on physical host, is gone out multiple fictitious host computer examples by fictitious host computer software creation, as fictitious host computer example VM1,, fictitious host computer example VMn(n is greater than 0 natural number).Each fictitious host computer example installing operating system according to demand, as WINDOWS or LINUX.Each fictitious host computer example is with regard to as same physical host, but its input-output equipment driving is all virtualized (because fictitious host computer technology is very ripe, just not repeating).User can operate by local ancillary equipment, on the fictitious host computer administration interface on physical host, logins use, uses but be generally only limited to IT administrative staff.
Two, as shown in Figure 2, user is by the remote desktop program communication of PC or thin client (ThinClient) and fictitious host computer example inside, as remote desktop programs such as RDP, ICA, PCoverPC, VNC, use fictitious host computer example with one of them multi-user's identity of fictitious host computer example.PC or thin client can be referred to as remote terminal.
Remote terminal is in the time of remote operation, due to the operating system version difference of different virtual main frame example, the disposal ability of remote dummy desktop programs is different with supporting technology, and need dependence third party remote dummy desktop programs to remove to operate fictitious host computer example, cause user can not as using local physical host, use glibly, fully the function of fictitious host computer example.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the invention is to propose I/O redirection system and its implementation of a kind of fictitious host computer, it is the system increasing on the basis of fictitious host computer software, it can change existing fictitious host computer example can only rely on the control mode of the remote dummy desktop programs in fictitious host computer example for remote terminal, thereby remote terminal is used and experiencing virtual main frame example completely, safely and neatly.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
An I/O redirection system for fictitious host computer, it comprises communication module, is redirected link block; Redirected link block comprises redirected Connection Proxy module; Remote terminal sends connection request by communication module to redirected Connection Proxy module; Be redirected Connection Proxy module and receive after connection request, obtain fictitious host computer example information list to fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module; Remote terminal is selected a fictitious host computer example from fictitious host computer example information list, and to redirected Connection Proxy module, this fictitious host computer example is proposed to control request by communication module; Being redirected Connection Proxy module receives after the request of control, inquire about the running status of this fictitious host computer example to fictitious host computer software, if this fictitious host computer example is in off-mode, this fictitious host computer example of fictitious host computer software startup, if this fictitious host computer example is in open state, be redirected Connection Proxy module and obtain the drive arrangements of the virtual I/O device of this fictitious host computer example from fictitious host computer software, and create a redirection module; Redirection module comprises data coding module, is redirected input module, is redirected output module and each virtual unit driving example, each virtual unit drives example corresponding with the driving of the virtual I/O device of this fictitious host computer example, data coding module for separating of or the inputoutput data of combination virtual unit driving example; The output information of virtual I/O device drives example to be transferred to redirected output module by corresponding virtual unit, redirected output module is transferred to data coding module output information again, and data coding module is transferred to by communication module the remote terminal that proposes control request after output information is encoded; The input message of remote terminal is transferred to data coding module by communication module, data coding module sends to redirected input module after input message is decoded, and redirected input module drives example to be transferred to this fictitious host computer example by corresponding virtual unit decoded input message again.
Preferably, described redirection module also comprises that one is redirected control module, when the input message receiving when data coding module is fictitious host computer example state control command, data coding module sends fictitious host computer example state control command by being redirected control module to fictitious host computer software; Fictitious host computer example state control command comprises change resolution instruction or shutdown command or restart instruction or log-out instruction.Preferred, when fictitious host computer software receives after shutdown command, be redirected Connection Proxy module and close and the corresponding redirection module of this fictitious host computer example.
Preferably, described redirected link block also comprises Certificate Authority module, being redirected Connection Proxy module receives after connection request, obtain fictitious host computer example information list to fictitious host computer software, and fictitious host computer example information list is fed back to by communication module in the process of remote terminal: be redirected Connection Proxy module and receive after connection request, require remote terminal input authentication information, after remote terminal input user profile, redirect agent sends user profile to Certificate Authority module, user profile is by after the authentication of Certificate Authority module, be redirected Connection Proxy module and obtain fictitious host computer example information list from fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module.
A kind of method that the invention allows for I/O redirection system that realizes above-mentioned fictitious host computer, it comprises the following steps:
A. remote terminal is set up data with communication module and is connected;
B. communication module is to a connection request of redirected Connection Proxy module report;
C. be redirected Connection Proxy module and receive after connection request, obtain fictitious host computer example information list to fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module;
D. remote terminal is selected a fictitious host computer example from fictitious host computer example information list, and to redirected Connection Proxy module, this fictitious host computer example is proposed to control request by communication module;
E. being redirected Connection Proxy module receives after the request of control, inquire about the running status of this fictitious host computer example to fictitious host computer software: if this fictitious host computer example is in off-mode, this fictitious host computer example of fictitious host computer software startup, makes this fictitious host computer example enter open state; If this fictitious host computer example in open state, is redirected Connection Proxy module and obtains the drive arrangements of the virtual I/O device of this fictitious host computer example from fictitious host computer software, and creates a redirection module; Described redirection module comprises data coding module, is redirected input module, is redirected output module and each virtual unit driving example, each virtual unit drives example corresponding with the driving of the virtual I/O device of this fictitious host computer example, data coding module for separating of or the inputoutput data of combination virtual unit driving example;
F. the output information of virtual I/O device drives example to be transferred to redirected output module by corresponding virtual unit, redirected output module is transferred to data coding module output information again, and data coding module is transferred to by communication module the remote terminal that proposes control request after output information is encoded;
G. remote terminal is to fictitious host computer example input message, the input message of remote terminal is transferred to data coding module by communication module, data coding module sends to redirected input module after input message is decoded, and redirected input module drives example to be transferred to this fictitious host computer example by corresponding virtual unit decoded input message again.
Preferably, in step e: described redirection module also comprises that one is redirected control module; H in steps also after step G: when the input message receiving when data coding module is fictitious host computer example state control command, data coding module sends fictitious host computer example state control command by being redirected control module to fictitious host computer software; Fictitious host computer example state control command comprises change resolution instruction or shutdown command or restart instruction or log-out instruction.Preferred, in step H: when fictitious host computer software receives after shutdown command, be redirected Connection Proxy module and close and the corresponding redirection module of this fictitious host computer example.
Preferably, step C is specially: be redirected Connection Proxy module and receive after connection request, require remote terminal input authentication information, after remote terminal input user profile, redirect agent sends user profile to Certificate Authority module, user profile, by after the authentication of Certificate Authority module, is redirected Connection Proxy module and obtains fictitious host computer example information list from fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module.
The present invention has following beneficial effect:
(1) user is as use fictitious host computer example this locality, and the program that those can not move on remote desktop can be moved on the remote dummy desktop that uses this method to realize.
(2) need not prepare different remote desktop programs for the operating system in fictitious host computer example, because be just redirected the input/output interface of fictitious host computer example, so can support easily the fictitious host computer example of various operating systems, comprise windows, linux, and do not need to do special exploitation.
(3) data of input and output can adopt any-mode compression transmission, and are not subject to the restriction of the agreements such as RDP, ICA, PCoverPC, VNC, therefore can realize transmission of video and audio frequency glibly.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram that uses fictitious host computer example on physical host of prior art;
Fig. 2 is the operation principle schematic diagram that uses fictitious host computer example on remote terminal of prior art;
Fig. 3 is the operation principle schematic diagram that uses fictitious host computer example on remote terminal of preferred embodiment of the present invention;
Fig. 4 is the structural principle schematic diagram of the I/O redirection system of the fictitious host computer of preferred embodiment of the present invention.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the present invention is described further, understands the present invention's technological thought required for protection so that clearer.
As shown in Figure 3 and Figure 4, a kind of I/O redirection system of fictitious host computer, it comprises communication module, is redirected link block; Redirected link block comprises redirected Connection Proxy module and Certificate Authority module.
Remote terminal sends connection request by communication module to redirected Connection Proxy module, being redirected Connection Proxy module receives after connection request, require remote terminal input authentication information, after remote terminal input user profile, redirect agent sends user profile to Certificate Authority module, user profile is by after the authentication of Certificate Authority module, be redirected Connection Proxy module and obtain fictitious host computer example information list from fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module, this fictitious host computer example information list comprises the quantity of fictitious host computer example, title and current use state information etc. (are fictitious host computer example VM1, fictitious host computer example VMn, n is greater than 0 natural number), remote terminal is selected a fictitious host computer example from fictitious host computer example information list, and to redirected Connection Proxy module, this fictitious host computer example is proposed to control request by communication module, being redirected Connection Proxy module receives after the request of control, inquire about the running status of this fictitious host computer example to fictitious host computer software, if this fictitious host computer example is in off-mode, this fictitious host computer example of fictitious host computer software startup, if this fictitious host computer example is in open state, be redirected Connection Proxy module and obtain the drive arrangements of the virtual I/O device of this fictitious host computer example from fictitious host computer software, and create a redirection module, redirection module comprises data coding module, is redirected input module, is redirected output module, is redirected control module and each virtual unit driving example, each virtual unit drives example corresponding with the driving of the virtual I/O device of this fictitious host computer example (being the virtual unit demonstration that drives example, mouse, keyboard, sound, USB etc. corresponding one by one with the demonstration of fictitious host computer example, mouse, keyboard, sound, USB etc.), data coding module for separating of or combine the inputoutput data (being IO data) of virtual unit driving example, the output information of virtual I/O device drives example to be transferred to redirected output module by corresponding virtual unit, redirected output module is transferred to data coding module output information again, and data coding module is transferred to by communication module the remote terminal that proposes control request after output information is encoded, the input message of remote terminal is transferred to data coding module by communication module, data coding module sends to redirected input module after input message is decoded, and redirected input module drives example to be transferred to this fictitious host computer example by corresponding virtual unit decoded input message again.When the input message receiving when data coding module is fictitious host computer example state control command, data coding module sends fictitious host computer example state control command by being redirected control module to fictitious host computer software; Fictitious host computer example state control command comprises change resolution instruction or shutdown command or restart instruction or log-out instruction.When fictitious host computer software receives after shutdown command, be redirected Connection Proxy module and close and the corresponding redirection module of this fictitious host computer example.
A method that realizes the I/O redirection system of above-mentioned fictitious host computer, it comprises the following steps:
A. after physical host start, start the public part of " I/O redirection system ", public part comprises Certificate Authority module, is redirected Connection Proxy module and communication module.Remote terminal is accessed physical host by the mode of assigned ip address or server name, sets up tcp data be connected with communication module.
B. communication module is after setting up reliable connection with remote terminal, and communication module is to a connection request of redirected Connection Proxy module report.
C. being redirected Connection Proxy module receives after connection request, require remote terminal input authentication information, after remote terminal input user profile, described user profile comprises the information such as account, account, password, redirect agent sends user profile to Certificate Authority module, user profile is by after the authentication of Certificate Authority module, be redirected Connection Proxy module and obtain fictitious host computer example information list from fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module.
D. remote terminal is selected a fictitious host computer example from fictitious host computer example information list, and to redirected Connection Proxy module, this fictitious host computer example is proposed to control request by communication module.
E. being redirected Connection Proxy module receives after the request of control, inquire about the running status of this fictitious host computer example to fictitious host computer software: if this fictitious host computer example is in off-mode, this fictitious host computer example of fictitious host computer software startup, makes this fictitious host computer example enter open state; If this fictitious host computer example in open state, is redirected Connection Proxy module and obtains the drive arrangements of the virtual I/O device of this fictitious host computer example from fictitious host computer software, and creates a redirection module; Described redirection module comprises data coding module, is redirected input module, is redirected output module and each virtual unit driving example, each virtual unit drives example corresponding with the driving of the virtual I/O device of this fictitious host computer example, data coding module for separating of or the inputoutput data of combination virtual unit driving example.
F. the output information of virtual I/O device drives example to be transferred to redirected output module by corresponding virtual unit, redirected output module is transferred to data coding module output information again, and data coding module is transferred to by communication module the remote terminal that proposes control request after output information is encoded.
G. remote terminal is to fictitious host computer example input message, the input message of remote terminal is transferred to data coding module by communication module, data coding module sends to redirected input module after input message is decoded, and redirected input module drives example to be transferred to this fictitious host computer example by corresponding virtual unit decoded input message again.
H., when the input message receiving when data coding module is fictitious host computer example state control command, data coding module sends fictitious host computer example state control command by being redirected control module to fictitious host computer software; Fictitious host computer example state control command comprises change resolution instruction or shutdown command or restart instruction or log-out instruction.When fictitious host computer software receives after shutdown command, be redirected Connection Proxy module and close and the corresponding redirection module of this fictitious host computer example.
By above step, the display of remote terminal demonstrates the desktop of fictitious host computer example, and the input message such as mouse, keyboard of remote terminal also can be transferred to fictitious host computer example, thereby realizes complete virtual desktop.In whole process, fictitious host computer example itself does not use RDP and remote desktop program and remote terminal communication, it is just at local runtime, and remote terminal is intercepted and captured and be redirected to its inputoutput data by the I/O redirection system of the present embodiment.
In the time that another remote terminal is initiated another connection, be redirected Connection Proxy module and will create a new redirection module for it.
Communication module described in the present embodiment, redirected link block, redirection module are the computer code set that meets certain condition.
In addition, the public part of the I/O redirection system of the present embodiment can be arranged on same physical host, also can be arranged on different physical hosts.
The I/O redirection system of the present embodiment is by generating and start the redirected input of correspondence, redirected output module for fictitious host computer example, come to drive the example communication that connects with virtual unit, therefore can support the different virtual of same device type to drive the connecting communication of example, realize the support such as multi-screen demonstration, many HID input-output equipment etc.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection range of the claims in the present invention within.
Claims (8)
1. an I/O redirection system for fictitious host computer, is characterized in that, comprises communication module, is redirected link block; Redirected link block comprises redirected Connection Proxy module;
Remote terminal sends connection request by communication module to redirected Connection Proxy module; Be redirected Connection Proxy module and receive after connection request, obtain fictitious host computer example information list to fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module; Remote terminal is selected a fictitious host computer example from fictitious host computer example information list, and to redirected Connection Proxy module, this fictitious host computer example is proposed to control request by communication module; Being redirected Connection Proxy module receives after the request of control, inquire about the running status of this fictitious host computer example to fictitious host computer software, if this fictitious host computer example is in off-mode, this fictitious host computer example of fictitious host computer software startup, if this fictitious host computer example is in open state, be redirected Connection Proxy module and obtain the drive arrangements of the virtual I/O device of this fictitious host computer example from fictitious host computer software, and create a redirection module;
Redirection module comprises data coding module, is redirected input module, is redirected output module and each virtual unit driving example, each virtual unit drives example corresponding with the driving of the virtual I/O device of this fictitious host computer example, data coding module for separating of or the inputoutput data of combination virtual unit driving example; The output information of virtual I/O device drives example to be transferred to redirected output module by corresponding virtual unit, redirected output module is transferred to data coding module output information again, and data coding module is transferred to by communication module the remote terminal that proposes control request after output information is encoded; The input message of remote terminal is transferred to data coding module by communication module, data coding module sends to redirected input module after input message is decoded, and redirected input module drives example to be transferred to this fictitious host computer example by corresponding virtual unit decoded input message again.
2. the I/O redirection system of fictitious host computer as claimed in claim 1, it is characterized in that, described redirection module also comprises that one is redirected control module, when the input message receiving when data coding module is fictitious host computer example state control command, data coding module sends fictitious host computer example state control command by being redirected control module to fictitious host computer software; Fictitious host computer example state control command comprises change resolution instruction or shutdown command or restart instruction or log-out instruction.
3. the I/O redirection system of fictitious host computer as claimed in claim 2, is characterized in that, when fictitious host computer software receives after shutdown command, is redirected Connection Proxy module and closes and the corresponding redirection module of this fictitious host computer example.
4. the I/O redirection system of fictitious host computer as claimed in claim 1, is characterized in that, described redirected link block also comprises Certificate Authority module, being redirected Connection Proxy module receives after connection request, obtain fictitious host computer example information list to fictitious host computer software, and fictitious host computer example information list is fed back to by communication module in the process of remote terminal: be redirected Connection Proxy module and receive after connection request, require remote terminal input authentication information, after remote terminal input user profile, redirect agent sends user profile to Certificate Authority module, user profile is by after the authentication of Certificate Authority module, be redirected Connection Proxy module and obtain fictitious host computer example information list from fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module.
5. an implementation method for the I/O redirection system of fictitious host computer according to claim 1, is characterized in that, comprises the following steps:
A. remote terminal is set up data with communication module and is connected;
B. communication module is to a connection request of redirected Connection Proxy module report;
C. be redirected Connection Proxy module and receive after connection request, obtain fictitious host computer example information list to fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module;
D. remote terminal is selected a fictitious host computer example from fictitious host computer example information list, and to redirected Connection Proxy module, this fictitious host computer example is proposed to control request by communication module;
E. being redirected Connection Proxy module receives after the request of control, inquire about the running status of this fictitious host computer example to fictitious host computer software: if this fictitious host computer example is in off-mode, this fictitious host computer example of fictitious host computer software startup, makes this fictitious host computer example enter open state; If this fictitious host computer example in open state, is redirected Connection Proxy module and obtains the drive arrangements of the virtual I/O device of this fictitious host computer example from fictitious host computer software, and creates a redirection module; Described redirection module comprises data coding module, is redirected input module, is redirected output module and each virtual unit driving example, each virtual unit drives example corresponding with the driving of the virtual I/O device of this fictitious host computer example, data coding module for separating of or the inputoutput data of combination virtual unit driving example;
F. the output information of virtual I/O device drives example to be transferred to redirected output module by corresponding virtual unit, redirected output module is transferred to data coding module output information again, and data coding module is transferred to by communication module the remote terminal that proposes control request after output information is encoded;
G. remote terminal is to fictitious host computer example input message, the input message of remote terminal is transferred to data coding module by communication module, data coding module sends to redirected input module after input message is decoded, and redirected input module drives example to be transferred to this fictitious host computer example by corresponding virtual unit decoded input message again.
6. the implementation method of the I/O redirection system of a kind of fictitious host computer according to claim 1 as claimed in claim 5, is characterized in that, in step e: described redirection module also comprises that one is redirected control module; H in steps also after step G: when the input message receiving when data coding module is fictitious host computer example state control command, data coding module sends fictitious host computer example state control command by being redirected control module to fictitious host computer software; Fictitious host computer example state control command comprises change resolution instruction or shutdown command or restart instruction or log-out instruction.
7. the implementation method of the I/O redirection system of a kind of fictitious host computer according to claim 1 as claimed in claim 6, it is characterized in that, in step H: when fictitious host computer software receives after shutdown command, be redirected Connection Proxy module and close and the corresponding redirection module of this fictitious host computer example.
8. the implementation method of the I/O redirection system of a kind of fictitious host computer according to claim 1 as claimed in claim 5, it is characterized in that, step C is specially: be redirected Connection Proxy module and receive after connection request, require remote terminal input authentication information, after remote terminal input user profile, redirect agent sends user profile to Certificate Authority module, user profile is by after the authentication of Certificate Authority module, be redirected Connection Proxy module and obtain fictitious host computer example information list from fictitious host computer software, and fictitious host computer example information list is fed back to remote terminal by communication module.
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| CN104283879B (en) * | 2014-10-09 | 2018-07-31 | 广州杰赛科技股份有限公司 | Virtual machine remote connection method and system |
| CN104991871A (en) * | 2015-06-15 | 2015-10-21 | 湖南昇云科技有限公司 | Method and system for redirecting cloud terminal USB |
| CN106850809A (en) * | 2017-02-09 | 2017-06-13 | 武汉烽火信息服务有限公司 | The device of virtual desktop is used based on desktop cloud platform portal user |
| CN109587566A (en) * | 2018-12-12 | 2019-04-05 | 四川九州电子科技股份有限公司 | The realization system and implementation method of cloud desktop terminal based on top box of digital machine |
| CN113411299B (en) * | 2020-08-25 | 2023-01-10 | 中数数字工程(深圳)有限公司 | Terminal equipment virtual agent system based on big data |
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| CN1896903A (en) * | 2005-07-15 | 2007-01-17 | 联想(北京)有限公司 | Virtual-machine system for supporting trusted evaluation and method for realizing trusted evaluation |
| CN101377745B (en) * | 2007-08-28 | 2010-06-23 | 张玉昆 | Virtual computer system and method for implementing data sharing between each field |
| US8104083B1 (en) * | 2008-03-31 | 2012-01-24 | Symantec Corporation | Virtual machine file system content protection system and method |
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| US8032897B2 (en) * | 2007-07-31 | 2011-10-04 | Globalfoundries Inc. | Placing virtual machine monitor (VMM) code in guest context to speed memory mapped input/output virtualization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1896903A (en) * | 2005-07-15 | 2007-01-17 | 联想(北京)有限公司 | Virtual-machine system for supporting trusted evaluation and method for realizing trusted evaluation |
| CN101377745B (en) * | 2007-08-28 | 2010-06-23 | 张玉昆 | Virtual computer system and method for implementing data sharing between each field |
| US8104083B1 (en) * | 2008-03-31 | 2012-01-24 | Symantec Corporation | Virtual machine file system content protection system and method |
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