CN104539685A - USB disk identifying system and method for OpenStack cloud desktop - Google Patents
USB disk identifying system and method for OpenStack cloud desktop Download PDFInfo
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- CN104539685A CN104539685A CN201410811179.9A CN201410811179A CN104539685A CN 104539685 A CN104539685 A CN 104539685A CN 201410811179 A CN201410811179 A CN 201410811179A CN 104539685 A CN104539685 A CN 104539685A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Abstract
The invention discloses a USB disk identifying system and method for an OpenStack cloud desktop. The USB disk identifying system comprises a local cloud desktop client side and an OpenStack cloud desktop system. The local cloud desktop client side and the OpenStack cloud desktop system conduct data transmission through a remote protocol transmission channel. The local cloud desktop client side comprises a USB disk access interface, a USB redirection module service side and a remote desktop protocol client side. The OpenStack cloud desktop system comprises a remote desktop protocol service end, a USB redirection module client side and a USB virtual driving module. According to the USB disk identifying system and method for the OpenStack cloud desktop, the OpenStack desktop can be like a traditional desktop to directly use a USB disk plugged into a local USB interface, the use range of the OpenStack cloud desktop is expanded, and the user experience is enhanced. According to the USB disk identifying system and method for the OpenStack cloud desktop, connection can be maintained in the transmission process of USB disk data, and the USB disk identifying system and method have the advantages of being high in stability, easy to use and the like.
Description
Technical field
The present invention relates to field of cloud calculation, particularly cloud desktop and cloud computing IaaS (Infrastructure as aService, namely infrastructure serve) the open source software OpenStack of layer, is intended to the USB flash disk recognition system and the method that propose a kind of OpenStack cloud desktop.
Background technology
OpenStack is the software project that NASA and Rackspace initiate, global numerous IT company participates in exploitation jointly, this project is intended to for the IaaS layer of publicly-owned cloud and privately owned cloud provides reliable, extendible cloud deployment scheme, thus realizes the cloud infrastructure services being similar to Amazon.At present, increasingly mature OpenStack has most functions of cloud computing system, can meet the demand of enterprise to cloud service.Cloud computing software with business is compared, and the cloud computing software of increasing income not only reduces the cost that enterprise disposes privately owned cloud or publicly-owned cloud platform, and enterprise can also customize specific business service by amendment source code.The cloud computing system of increasing income now has a lot, such as OpenNebula, CloudStack and Eucalyptus etc., compare with these systems, OpenStack has the features such as the flexible and secondary development of module loose coupling, arrangement of components is easy, it can be shown one's talent, be subject to the favor of numerous company.
Cloud desktop is an application branch of field of cloud calculation, system desktop, application desktop etc. provide as the service in high in the clouds to user by it, generally visit cross-platform whole desktop system and wherein application program by client or other any equipment be connected with network.Traditional computer desktop is closely related with PC, occupation mode is limited to resource restriction and the locus of separate unit main frame, and the installation of computer desktop, upgrading and backup etc. all needs user oneself to complete.Compare with traditional computer desktop, cloud desktop mainly contains following advantage: (1) cloud desktop, by the management of centralization, saves the management cost of unique user in desktop system installation, upgrading etc.; (2) all data of cloud desktop and computing are all carried out at server end, and client only for showing the image of desktop change, has higher fail safe; (3) resource allocation request of cloud desktop to client device is low, can save hardware resource, reduce energy resource consumption.But for enterprise and domestic consumer, can cloud desktop be promoted and depend on whether it has identical experience with conventional desktop.
USB flash disk, full name USB (USB, Universal Serial Bus) flash disk, is that a kind of USB interface that uses connects computer, is carried out the miniature portable memory device of data storage by flash memory.General USB flash disk volume is minimum, lightweight, can repeat write.USB flash disk has many advantages, such as takies less space, can store more data etc.USB storage device uses a large amount of memory device standard of USB, and generally popular operating system is as all having built-in support in Windows, OS X, Linux and Unix.Most USB flash disk uses the Type-A USB joint of standard, in this USB interface making them can directly insert in PC.Access the data of USB flash disk, just USB flash disk must be connected to computer; No matter be directly connected to the built-in USB controller of computer or a usb hub can.Only have when being inserted into USB port, USB flash disk just can start, and required electric power also connects supply by USB.
In the use scenes of OpenStack cloud desktop, desktop system is server beyond the clouds, instead of be based upon as legacy system on local hardware, so, when USB flash disk is inserted in local USB interface, because cloud desktop system does not directly manage local hardware interface, its None-identified the data of accessing in the middle of USB flash disk.USB flash disk is now very popular miniature portable memory device, if cloud desktop can not use USB flash disk as conventional desktop, can affect the experience of user, even may affect OpenStack cloud desktop and promote.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art and deficiency, provide a kind of USB flash disk recognition system of OpenStack cloud desktop, this system makes cloud desktop as conventional desktop, direct use can be inserted in the USB flash disk in the middle of local USB interface.
Another object of the present invention is to the USB flash disk recognition methods that a kind of OpenStack cloud desktop is provided.
The first object of the present invention is achieved through the following technical solutions: a kind of USB flash disk recognition system of OpenStack cloud desktop, comprise local cloud desktop client end and OpenStack cloud desktop system, also comprise remote protocol transmission channel, described local cloud desktop client end and OpenStack cloud desktop system carry out transfer of data by remote protocol transmission channel;
Described local cloud desktop client end comprises:
USB flash disk access interface, for reading the data in the USB flash disk of local cloud desktop client end place terminal connection;
USB redirection module service end (USBRedir service end), for receiving the USB flash disk data that USB flash disk access interface reads, and is redirected to RDP client;
RDP client, is sent to OpenStack cloud desktop system for the USB flash disk data that USB redirection module service end will be redirected by remote protocol transmission channel;
Described OpenStack cloud desktop system comprises:
RDP service end, for responding the connection of local cloud desktop client end medium-long range desktop protocol client, receives the USB flash disk data that local cloud desktop client end medium-long range desktop protocol client sends;
USB redirection module client (USBRedir client), for receiving the USB flash disk data that RDP service end sends, and by USB flash disk data redirection in the main frame of OpenStack cloud desktop system;
USB virtual drive module, for completing mapping and the reading of USB flash disk data in cloud desktop system.
Preferably, described RDP is the Spice agreement (simple protocol of independent computation environment, SimpleProtocol for independent Computing Environment), namely described RDP client is Spice client, described RDP service end is Spice service end, and described RDP transmission channel is Spice transmission channel; Described Spice client comprises Spice-GTK module.
The second object of the present invention is achieved through the following technical solutions: a kind of USB flash disk recognition methods of the OpenStack cloud desktop based on said system, and step is as follows:
Step 1, local cloud desktop client end LibUSB storehouse read the data in the USB flash disk of local cloud desktop client end place terminal connection;
The USBRedir service end of step 2, local cloud desktop client end receives the USB flash disk data read in LibUSB storehouse, and is redirected to Spice client;
The USB flash disk data that in step 3, local cloud desktop client end, USBRedir service end will be redirected by the Spice-GTK module of Spice client are sent to OpenStack cloud desktop system Spice service end by Spice transmission channel;
The Spice service end of step 4, OpenStack cloud desktop system sends USBRedir client to after receiving the USB flash disk data that local cloud desktop client end sends;
After step 5, USBRedir client receive the USB flash disk data of Spice service end transmission, by USB flash disk data redirection in OpenStack cloud desktop main frame;
USB flash disk virtual drive module corresponding to step 6, USBRedir client maps USB flash disk data in cloud desktop system and reads, and completes the identification to USB flash disk and digital independent.
Preferably, in described step 1, also comprise following process: the OpenStack supporting Spice service is installed, for local cloud desktop client end and OpenStack cloud desktop system add Spice transmission channel as remote protocol transmission channel; For local cloud desktop client end adds LibUSB storehouse and USBRedir service end, register USB virtual drive for OpenStack cloud desktop system and add USBRedir client.
Further, in described step 1, adopt devstack to install OpenStack, in the middle of the localrc configuration file of devstack, start Spice service.
Preferably, described USB flash disk data comprise USB flash disk metadata and internal data.
Preferably, described local cloud desktop client end place terminal is mobile terminal or customary personal computer.
The present invention has following advantage and effect relative to prior art:
The USB flash disk data-mapping of local cloud desktop client end place terminal in OpenStack cloud desktop system, makes OpenStack cloud desktop as conventional desktop, direct use can be inserted in the USB flash disk in the middle of local USB interface by the present invention.Extend the scope of application of OpenStack cloud desktop, enhance Consumer's Experience; The inventive method can keep connecting in the middle of the transmitting procedure of USB flash disk data, has the advantages such as stability is high, easy-to-use.
Accompanying drawing explanation
Fig. 1 is the composition frame chart of present system.
Fig. 2 is the inventive method flow chart.
Fig. 3 is the implementation result figure of the inventive method.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, present embodiment discloses a kind of USB flash disk recognition system of OpenStack cloud desktop, comprise local cloud desktop client end and OpenStack cloud desktop system, it is characterized in that, also comprise remote protocol transmission channel, local cloud desktop client end and OpenStack cloud desktop system carry out transfer of data by remote protocol transmission channel;
Described local cloud desktop client end comprises:
USB flash disk access interface, for reading the data in the USB flash disk of local cloud desktop client end place terminal connection;
USB redirection module service end (USBRedir service end), for receiving the USB flash disk data that USB flash disk access interface reads, and is redirected to RDP client;
RDP client, is sent to high in the clouds OpenStack cloud desktop system for the USB flash disk data that USB redirection module service end will be redirected by remote protocol transmission channel;
Described OpenStack cloud desktop system comprises:
RDP service end, for responding the connection of local cloud desktop client end medium-long range desktop protocol client, receives the USB flash disk data that local cloud desktop client end medium-long range desktop protocol client sends;
USB redirection module client (USBRedir client), for receiving the USB flash disk data that RDP service end sends, and by USB flash disk data redirection in the main frame of OpenStack cloud desktop system;
USB virtual drive module, for completing mapping and the reading of USB flash disk data in cloud desktop system.
RDP is the Spice agreement (simple protocol of independent computation environment in the present embodiment, SimpleProtocol for independent Computing Environment), namely RDP client is Spice client, includes Spice-GTK module; RDP service end is Spice service end, i.e. SpiceServer, and described RDP transmission channel is Spice transmission channel, i.e. Spice Protocol.Wherein, Spice-GTK module is Spice client plug-in, can be encapsulated in other application program.
OpenStack cloud desktop system is a virtual machine instance in the middle of OpenStack cluster, and the cloud desktop client end of accessing cloud desktop system can be any thin client, transmits data between cloud desktop system and thin-client by remote link communications.After USB flash disk connects be inserted into cloud desktop client end place terminal as USB device, by the network transmission protocol, in the middle of whole USB flash disk information MAP to remote system, i.e. in the OpenStack cloud desktop system in high in the clouds.By the USB redirection module client in the OpenStack cloud desktop system in the USB redirection module service end in cloud desktop client end and high in the clouds in the present embodiment, USB flash disk data cloud desktop client end place terminal connected send to the virtual machine of OpenStack cloud desktop system by procotol, wherein USB redirection module service end and USB redirection module client comprise the parsing storehouse of a usb protocol, it comprises the parsing storehouse of a usb protocol, host library and some other instrument.
As shown in Figure 2, the present embodiment also discloses a kind of USB flash disk recognition methods of the OpenStack cloud desktop based on said system, and step is as follows:
Step 1, the LibUSB storehouse that local cloud desktop client end USB flash disk access interface is corresponding read the data in the USB flash disk of local cloud desktop client end place terminal connection;
The USBRedir service end of step 2, local cloud desktop client end receives the USB flash disk data read in LibUSB storehouse, and is redirected to Spice client;
The USB flash disk data that in step 3, local cloud desktop client end, USBRedir service end will be redirected by the Spice-GTK module of Spice client are sent to OpenStack cloud desktop system Spice service end by Spice transmission channel;
The Spice service end of step 4, OpenStack cloud desktop system sends USBRedir client to after receiving the USB flash disk data that local cloud desktop client end sends;
After step 5, USBRedir client receive the USB flash disk data of Spice service end transmission, by USB flash disk data redirection in OpenStack cloud desktop main frame;
USB flash disk virtual drive module corresponding to step 6, USBRedir client maps USB flash disk data in cloud desktop system and reads, and completes the identification to USB flash disk and digital independent.
Before the present embodiment said method performs, first the OpenStack supporting Spice service is installed, for local cloud desktop client end and OpenStack cloud desktop system add Spice protocol transmission passage; For local cloud desktop client end adds USB flash disk access interface and USB redirection module service end, register USB virtual drive for OpenStack cloud desktop system and add USB redirection module client; Adopting devstack to install OpenStack in the present embodiment, in order to make the example of OpenStack support Spice, in the middle of the localrc configuration file of devstack, starting Spice service:
enable_service n-spice
disable_service n-novnc
disable_service n-xvnc
The present embodiment Spice transmission channel is the data transmission channel of Spice client and Spice service end, the i.e. transmission channel of USB flash disk data, is that OpenStack cloud desktop system is connected with the networking of local cloud desktop client end.For setting up the data-transmission channel of OpenStack cloud desktop system and local cloud desktop client end, in the middle of the libvirt.xml following content being added the configuration file of OpenStack cloud desktop system:
<channel type＝"spicevmc">
<target type＝"virtio"name＝"com.redhat.spice.0"/></channel>
In the present embodiment during OpenStack cloud desktop system registration USB virtual drive, the redirected correspondence of each USB virtual drive and USBRedir is concrete for register following content in OpenStack cloud desktop system:
Following content is registered when OpenStack cloud desktop system adds USB redirection module client in the present embodiment:
<redirdev bus＝'usb'type＝'spicevmc'/>
<redirdev bus＝'usb'type＝'spicevmc'/>
<redirdev bus＝'usb'type＝'spicevmc'/>
<redirdev bus＝'usb'type＝'spicevmc'/>
In the present embodiment, local cloud desktop client end place terminal is mobile terminal or customary personal computer.Be illustrated in figure 3 by the present embodiment said system and method, the present embodiment cloud desktop client end realizes the design sketch of USB flash disk identification.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (7)
1. the USB flash disk recognition system of an OpenStack cloud desktop, comprise local cloud desktop client end and OpenStack cloud desktop system, it is characterized in that, also comprise remote protocol transmission channel, described local cloud desktop client end and OpenStack cloud desktop system carry out transfer of data by remote protocol transmission channel;
Described local cloud desktop client end comprises:
USB flash disk access interface, for reading the data in the USB flash disk of local cloud desktop client end place terminal connection;
USB redirection module service end (USBRedir service end), for receiving the USB flash disk data that USB flash disk access interface reads, and is redirected to RDP client;
RDP client, is sent to OpenStack cloud desktop system for the USB flash disk data that USB redirection module service end will be redirected by remote protocol transmission channel;
Described OpenStack cloud desktop system comprises:
RDP service end, for responding the connection of local cloud desktop client end medium-long range desktop protocol client, receives the USB flash disk data that local cloud desktop client end medium-long range desktop protocol client sends;
USB redirection module client (USBRedir client), for receiving the USB flash disk data that RDP service end sends, and by USB flash disk data redirection in the main frame of OpenStack cloud desktop system;
USB virtual drive module, for completing mapping and the reading of USB flash disk data in cloud desktop system.
2. the USB flash disk recognition system of OpenStack cloud desktop according to claim 1, it is characterized in that, described RDP is Spice agreement, namely described RDP client is Spice client, described RDP service end is Spice service end, and described RDP transmission channel is Spice transmission channel; Described Spice client comprises Spice-GTK module.
3., based on a USB flash disk recognition methods for the OpenStack cloud desktop of system described in claim 2, it is characterized in that, step is as follows:
The data in the USB flash disk of local cloud desktop client end place terminal connection are read in the LibUSB storehouse of step 1, local cloud desktop client end;
The USBRedir service end of step 2, local cloud desktop client end receives the USB flash disk data read in LibUSB storehouse, and is redirected to Spice client;
The USB flash disk data that in step 3, local cloud desktop client end, USBRedir service end will be redirected by the Spice-GTK module of Spice client are sent to OpenStack cloud desktop system Spice service end by Spice transmission channel;
The Spice service end of step 4, OpenStack cloud desktop system sends USBRedir client to after receiving the USB flash disk data that local cloud desktop client end sends;
After step 5, USBRedir client receive the USB flash disk data of Spice service end transmission, by USB flash disk data redirection in OpenStack cloud desktop main frame;
USB flash disk virtual drive module corresponding to step 6, USBRedir client maps USB flash disk data in cloud desktop system and reads, and completes the identification to USB flash disk and digital independent.
4. the USB flash disk recognition methods of OpenStack cloud desktop according to claim 3, it is characterized in that, following process is also comprised: the OpenStack supporting Spice service is installed, for local cloud desktop client end and OpenStack cloud desktop system add Spice transmission channel as remote protocol transmission channel in described step 1; For local cloud desktop client end adds LibUSB storehouse and USBRedir service end, register USB virtual drive for OpenStack cloud desktop system and add USBRedir client.
5. the USB flash disk recognition methods of OpenStack cloud desktop according to claim 6, is characterized in that, adopts devstack to install OpenStack in described step 1, starts Spice service in the middle of the localrc configuration file of devstack.
6. the USB flash disk recognition methods of OpenStack cloud desktop according to claim 3, is characterized in that, described USB flash disk data comprise USB flash disk metadata and internal data.
7. the USB flash disk recognition methods of OpenStack cloud desktop according to claim 3, is characterized in that, described local cloud desktop client end place terminal is mobile terminal or customary personal computer.
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| CN108108201A (en) * | 2017-12-26 | 2018-06-01 | 合肥中科云巢科技有限公司 | USB storage device reorientation method and virtual machine based on RDP agreements |
| CN109857465A (en) * | 2018-11-23 | 2019-06-07 | 广东微云科技股份有限公司 | A kind of automatic installation method and system of cloud desktop usb driving |
| CN110336846A (en) * | 2019-04-15 | 2019-10-15 | 长飞光纤光缆股份有限公司 | A method of the cloud desk file based on spice agreement pulls transmission |
| CN110795156A (en) * | 2019-10-24 | 2020-02-14 | 深信服科技股份有限公司 | Mobile memory loading method, thin client, storage medium and device |
| CN110795156B (en) * | 2019-10-24 | 2023-09-05 | 深信服科技股份有限公司 | Mobile memory loading method, thin client, storage medium and device |
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| CN112231004B (en) * | 2020-10-19 | 2022-06-17 | 北京京航计算通讯研究所 | Cloud desktop terminal USB redirection system |
| CN112231004A (en) * | 2020-10-19 | 2021-01-15 | 北京京航计算通讯研究所 | Cloud desktop terminal USB redirection system |
| CN112596793A (en) * | 2020-11-26 | 2021-04-02 | 新华三大数据技术有限公司 | Redirection method and device for composite equipment |
| CN113407468A (en) * | 2021-06-09 | 2021-09-17 | 北京和信创天科技股份有限公司 | Terminal USB equipment remote read-write system based on cloud platform |
| CN116366650A (en) * | 2023-06-01 | 2023-06-30 | 南京美乐威电子科技有限公司 | Cloud service system, cloud terminal and physical identity binding method |
| CN116366650B (en) * | 2023-06-01 | 2023-08-01 | 南京美乐威电子科技有限公司 | Cloud service system, cloud terminal and physical identity binding method |
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