CN100473070C - Mapping method for USB apparatus with storage function on network computer - Google Patents
Mapping method for USB apparatus with storage function on network computer Download PDFInfo
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- CN100473070C CN100473070C CNB2005100513200A CN200510051320A CN100473070C CN 100473070 C CN100473070 C CN 100473070C CN B2005100513200 A CNB2005100513200 A CN B2005100513200A CN 200510051320 A CN200510051320 A CN 200510051320A CN 100473070 C CN100473070 C CN 100473070C
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Abstract
The present invention discloses a USB equipment having memory function in network calculator mapping method. It contains installing FTP server software In network computer, setting USB equipment mapping client-side software in server, FTP server software designing FTP file directory as USB equipment file directory having memory function, server establishing FTP connection between network computer and server through USB equipment mapping client-side software and network computer FTP server software, server displaying USB equipment FTP links sign on connection desktop, server receiving network computer user clicked USB equipment FTP links sign instruction, calling browsing program, displaying network computer FTP file directory on browsing program interface and transmitting to network computer. The present invention can realize network computer read write operation to local USB equipment having memory function.
Description
Technical field
The present invention relates to the application technology of network computer, the particularly a kind of mapping method of USB device on network computer with memory function.
Background technology
Network computer (Network Computer, NC) be client devices in thin client/server (Thin-Client/Sever) system, be the simplification computer of equipment such as no hard disk, CD-ROM drive, floppy drive, can utilize that server is soft, hardware resource calculates, storage etc.Numerous clients can sign in on the server simultaneously, and the Buddhist of walking back and forth is worked the same simultaneously on server, and the work between them is to isolate mutually.Therefore, network computer has and is simple and easy to use comparatively extensive with, safety, reliable, easy care, manageable characteristics in enterprise, school, government organs etc.
Different with common computer, network computer is except moving local the application, mainly be by login WBT (referring to server end operation Windows series operating system) or UBT (referring to server end operation Uinx or Linux series operating system), the application on the runtime server.At present, in the majority with the application under the login WBT mode, its communications protocol that adopts mainly contains RDP, and (Remote Desk Protocol is RDP) with independent computing architecture agreement (Independent ComputingArchitecture, ICA) two kinds.
For UBT, network computer can only move graphical interfaces at server at present, and network computer only as Input/Output Device, is used fewer at present.
With respect to UBT, WBT uses the most extensive at present.The network calculations machine local does not have hard disk to store, and storage uses the RDP agreement to sign in to the WBT realization with reading by network computer.Sign in to the user of WBT according to self needs and use, often wish to import from this locality or from the RDP server to some files of local backup, like this, with regard to wish under RDP can the accesses network computer this locality have the USB device (hereinafter to be referred as the USB memory device) of memory function, for example USB flash disk or USB mobile disk or USB device such as MP3 or digital camera.
Under WBT, the user sees and what use all is the resource of server, network computer is with the input requests such as mouse-keyboard of this locality, give server by the RDP agreement, server at user's request after computing is finished on the server, altered screen message is passed to network computer by the RDP consultation again, and the screen message of network computer upgrades accordingly.Therefore, the user of network computer sees it being disk on the server under WBT, memory device that can't accesses network computer this locality.
At present, the RDP agreement of Windows is divided into RDP 5.0 and two versions of the RDP5.1 under the windows2003 under the windows 2000.Like this, windows 2003 servers provide the disk mapping function by the RDP5.1 agreement, disk with the network calculations machine local, be mapped to a drive on windows 2003 servers, the user can see this drive under WBT, by it being conducted interviews the operations such as reading, write of existing network network computer local disk.
That is to say, disk mapping is that the RDP5.1 agreement by windows 2003 realizes, and integrated among the present widely used windows 2000 be the RDP5.0 agreement, RDP 5.0 agreements do not provide the mapping function that realizes the network computer local disk, and promptly windows can not realize the mapping function of network computer local disk for 2000 times.With respect to windows 2003server, windows 2000server still takies very big proportion at present, enterprise's office waits the user when using network computer, need mostly to use local USB mobile disk to upload and the copies data file, therefore, the mapping function of realization network calculations machine local USB memory device is very important under the WBT of windows2000.
And to realize the mapping function of network computer local disk at present, and only way is to be windows 2003 with system upgrade, and only is this function whole system of upgrading, for the user, cost is too high.Therefore, how to realize that by RDP 5.0 agreements the mapping of network computer local memory device becomes be badly in need of solving an and important technique problem.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of mapping method of USB device on network computer with memory function, realizes network computer has the USB device of memory function to this locality by RDP 5.0 agreements read-write operation.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of mapping method of USB device on network computer with memory function installed ftp server software on network computer, USB device mapping client software is set on server; Its mapping process may further comprise the steps:
A, network computer are set up RDP with server and are connected;
B, network computer ftp server software startup FTP serve, and the file directory of FTP are appointed as the file directory of the USB device with memory function;
Server will connect desktop and send to network computer and show, and start USB device mapping client software, set up network computer by USB device mapping client software and the ftp server software on the network computer and be connected with FTP between server;
C, USB device mapping client software Control Server are connecting demonstration USB device FTP link flag on the desktop;
D, USB device mapping client software are by connecting desktop, after accepting instruction that the network computer user clicks USB device FTP link flag, call browser, the file directory of FTP on the network computer is presented on the browser interface sends to network computer.
Wherein, step B is described sets up the method that network computer is connected with FTP between server and can comprise:
The USB device mapping client software of B1, server initiates to detect the FTP service request to network computer;
B2, ftp server software are set up FTP according to this request and are connected, and the state information that will comprise the file directory of FTP returns to the USB device mapping client software of server;
Described step C is: the state information that USB device mapping client software returns according to ftp server software, but in the file directory time spent of FTP,, return step B1 then connecting demonstration USB device FTP link flag on the desktop, and execution in step D.
Among the described step C,, then can further judge to connect on the desktop whether shown USB device FTP link flag, if return step B1 after then deleting this sign, otherwise directly return step B1 if the file directory of FTP is unavailable.
The method of described demonstration USB device FTP link flag can for: show the USB device drive.
This method can be provided with FTP service Control Software in network computer;
FTP service Control Software sends startup FTP service order or stops the FTP service order to ftp server software according to the operation information of user's input;
Ftp server software starts the FTP service after receiving and starting the FTP service order; Ftp server software receives and stops to stop the FTP service behind the FTP service order.
This method can further include: the FTP service state is set in system registry;
Described ftp server software after starting the FTP service further the FTP service state be set to effectively; And when stopping to serve the FTP service state be set to invalid;
Described FTP service Control Software is before the operation information that receives user's input, and further inquiry FTP service state is shown to the user in the system registry.
The method that the described USB device mapping of step B1 client software is initiated detection FTP service request to network computer can comprise:
B11, USB device mapping client software obtain the IP address of the network computer of RDP connection;
B12, USB device mapping client software detect network computer by this IP address and FTP serve port and whether start the FTP service.
Among the described step B, USB device mapping client software can adopt self-defining FTP serve port to set up FTP with ftp server software on the network computer to be connected.
Described USB device mapping client software can comprise USB device scanning software and USB device access software;
Among the described step B: startup of server USB device mapping client software is for starting the USB device scanning software; Setting up network computer by USB device scanning software and the ftp server software on the network computer is connected with FTP between server;
Among the described step C: connecting demonstration USB device FTP link flag on the desktop by USB device scanning software Control Server;
Among the described step D: the USB device scanning software starts the USB device access software after accepting instruction that the network computer user clicks USB device FTP link flag; Call browser by the USB device access software, the file directory of FTP on the network computer is presented on the browser interface sends to network computer.
As seen from the above technical solutions, this mapping method of USB device on network computer of the present invention with memory function, adopt reverse thinking, ftp server software is installed in this locality at network computer, the file directory of FTP is mapped to the USB device file directory that local USB device is inserted the back generation, again by the disk mapping client software that on server, moves, realization is to the visit of network computer ftp server file directory, and then realization is to the visit of network calculations machine local USB memory device.Therefore, the present invention is not subjected to the restriction of connection protocol between network computer and server, can under the situation that adopts the RDP5.0 agreement to connect, realize the read-write operation that network computer has the USB device of memory function to this locality, and realize simple, stablize workable.
Description of drawings
Fig. 1 is the principle schematic of the mapping method of a preferred embodiment of the present invention;
Fig. 2 is the flow chart of ftp server software in the network computer in embodiment illustrated in fig. 1;
Fig. 3 is the flow chart of FTP service Control Software in the network computer embodiment illustrated in fig. 1;
Fig. 4 is the flow chart of USB device scanning software in the server embodiment illustrated in fig. 1;
Fig. 5 is the flow chart of USB device access software in the server embodiment illustrated in fig. 1.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
This mapping method of USB device on network computer of the present invention with memory function, adopt reverse thinking, ftp server software is installed in this locality at network computer, the file directory of FTP is mapped to the USB device file directory that local USB device is inserted the back generation, again by the disk mapping client software that on server, moves, realization is to the visit of network computer ftp server file directory, and then realization is to the visit of network calculations machine local USB memory device.
Among the present invention, the USB device of server mapping client software can be cooperated by USB device scanning software and USB device access software to be realized, FTP service Control Software can also be set in network computer ftp server software is controlled.
Referring to Fig. 1, Fig. 1 is the principle schematic of the mapping method of a preferred embodiment of the present invention.Wherein the input equipment in the network computer 101 can be keyboard, mouse etc., and output equipment 102 present embodiments refer to display.The network computer of present embodiment has not only been installed ftp server software 104, and is provided with FTP service Control Software 103.Be provided with USB device scanning software 113 and USB device access software 112 in the server.
The basic principle of its mapping is:
At first, network computer is set up RDP with server and is connected.
Then, the startup FTP service order that network computer ftp server software 104 sends according to FTP service Control Software 103 starts the FTP service and starts the FTP service, and the file directory of FTP is appointed as the file directory of the USB device with memory function.Ftp server software 104 is traditionally arranged to be when network computer system starts, and starts automatically.
FTP service Control Software 103 in the present embodiment can send startup FTP service order or stop the FTP service order to ftp server software 104 according to the operation information of user by input equipment 101 inputs.Promptly wait for after described ftp server software 104 starts and receive the instruction that FTP service Control Software 103 sends.Ftp server software 104 starts the FTP service after receiving and starting the FTP service order; Receive and stop to stop the FTP service behind the FTP service order.
In addition, also in system registry, be provided with the FTP service state in the present embodiment.Ftp server software 104 FTP service state after starting the FTP service is set to effectively; And when stopping to serve the FTP service state be set to invalid.Described FTP service Control Software also can be before the operation information that receives user's input, and inquiry FTP service state is shown to the user in the system registry.
Then, it is exactly windows desktop 111 here that server will connect desktop, connects the output equipment 102 that sends to network computer by RDP and shows, and start USB device scanning software 113.Setting up network computer by USB device scanning software 113 and the ftp server software 104 on the network computer is connected with FTP between server.
Then, USB device scanning software 113 Control Servers in the server are connecting demonstration USB device FTP link flag on the desktop 111.Link flag can be the USB device drive.
At last, USB device scanning software 113 is by connecting desktop, accept instruction that the network computer user clicks USB device FTP link flag after, start USB device access software 112.
USB device access software 112 is called browser, with the file directory of FTP on the network computer actual be exactly the USB device file directory, be presented on the browser interface and send to network computer.The network computer user just can carry out read-write operation to the USB device on this machine like this.
Below respectively ftp server software 104, FTP service Control Software 103, USB device scanning software 113 and USB device access software 112 are elaborated respectively.
Referring to Fig. 2, Fig. 2 is the flow chart of ftp server software in the network computer in embodiment illustrated in fig. 1.This flow process may further comprise the steps:
Step 201 judges whether to receive the FTP service order that FPT service Control Software sends, if execution in step 202 then; Carry out this step otherwise return, wait for instruction.
Step 202 is set up Socket, and the FTP serve port is bound on the self-defining in advance port, starts the FTP service.
In the present embodiment, control the startup of FTP service and close, realize the opening and closing of USB device mapping function by FTP service Control Software.In case FTP serves startup, because the FTP serve port uses disclosed fixed port usually, if do not add restriction, the content in the own USB device will be leaked easily to other user.Therefore, present embodiment with the FTP service binding on a self-defining port, have only the USB device scanning software in the server just can provide this port, and the USB device access software can only be visited the USB device on the network computer at own place, therefore the fail safe that has improved system greatly.
Step 203 is appointed as the master file directory of FTP the master file directory of USB device.This step can be carried out simple assignment to this variable and realize by the file directory variable is set.
Step 204 is revised registration table, and the FTP service state is set to effectively.
Step 205 judges whether to receive the connection request that the USB device scanning software of server sends, if then execution in step 206, carries out this step otherwise return, and waits for receiving connection request.
Step 207 judges whether to receive that FPT service Control Software sends stops the FTP service order, if then execution in step 208; Otherwise return step 205, wait for receiving connection request.
Step 208 is deleted the Socket of this foundation, stops the FTP service.
Step 209 is revised registration table, and it is invalid that the FTP service state is set to, and returns step 201.
Referring to Fig. 3, Fig. 3 is the flow chart of FTP service Control Software in the network computer embodiment illustrated in fig. 1.This flow process may further comprise the steps:
Step 301 is read the current state that FTP serves from system registry.
Step 302 shows the current state that FTP serves.
Step 303 judges whether the user operates, and just whether receives the operation information of user's input.If execution in step 304 or 305 then; Otherwise return this step, wait for user's operation.
Step 304, the user clicks " mapping of startup/closing device " button, execution in step 306.
Step 306 judges whether current FTP service starts, if, step 307 then; Otherwise execution in step 308.
Step 307 is closed the FTP service order to the transmission of ftp server software, returns step 303, waits for user's operation.
Step 308 sends startup FTP service order to ftp server software, returns step 303, waits for user's operation.
Referring to Fig. 4, Fig. 4 is the flow chart of USB device scanning software in the server embodiment illustrated in fig. 1.This flow process may further comprise the steps:
Step 401 judges whether this software moves, if then execution in step 402 under RDP connects; Otherwise process ends.In this step, can obtain the whether operation under RDP connects of this software by calling existing power function.
Step 402 obtains the IP address that this RDP connects network computer.This step also can be by calling the IP address of the network computer that existing function obtains to connect.
Step 403 detects the FTP service of network computer by IP address and self-defining FTP serve port.Concrete detection method is:
Initiate to detect the FTP service request to network computer.After the ftp server software of network computer was set up the FTP connection according to this request, the state information that will comprise the file directory of FTP returned to the USB device scanning software of server.
Step 404 according to the state information that ftp server software returns, judges whether FTP root directory is available, if then execution in step 405; Otherwise execution in step 406.
Step 405 judges that RDP connects desktop and just whether has USB device FTP link drive on the windows desktop, if directly return step 403, continues to detect the FTP service of network computer; Otherwise execution in step 407.
Step 406 judges that RDP connects desktop and just whether has USB device FTP link drive on the windows desktop, if then execution in step 408; Otherwise directly return step 403, continue to detect the FTP service of network computer.
Step 407 connects a USB device FTP link of establishment drive on the desktop at RDP, and this drive points to USB device access software, returns step 403, and the FTP that continuation detects network computer serves.
Because drive points to the USB device access software, so, directly start USB device access software in the server receiving the network computer user by after connecting desktop and clicking the instruction of this drive.
Step 408 is deleted this USB device link drive, returns step 403, continues to detect the FTP service of network computer.
Because the user has been accustomed to the plug-and-play feature of USB device already, therefore, in order to make method of the present invention more easy-to-use, present embodiment provides the USB device scanning software, this software can be real-time detection network computer USB device insertion and extract the plug and play that real-time establishment and deletion drive are simulated USB device on the desktop that RDP connects then.
Referring to Fig. 5, Fig. 5 is the flow chart of USB device access software in the server embodiment illustrated in fig. 1.This flow process may further comprise the steps:
Step 501 judges whether this software moves, if then execution in step 502 under RDP connects; Otherwise process ends.Determination methods in this step is identical with above-mentioned steps 401.
Step 502 obtains the IP address that this RDP connects network computer.This step is identical with above-mentioned steps 402.
Step 503 is called the Explorer process, according to the master file directory of network computer IP address and self-defining FTP serve port visit ftp server, the master file directory of ftp server is presented on the Explorer interface sends to network computer.Owing in the ftp server program of network computer, the master file directory of FTP has been appointed as the master file directory of USB device, be exactly the master file directory of USB device so the master file directory of the FTP that shows is actual at this moment.Like this, the user just can directly carry out read and write access to this USB device and operated.
As seen, because present embodiment is based on ripe and FTP technology efficiently, and specialized designs FTP service operation, closing control and the skill that adopted hidden FTP port, on the basis of improving local USB device read and write access efficient, the fail safe that has improved system greatly.
By the above embodiments as seen, this mapping method of USB device on network computer of the present invention with memory function, can not be subjected to the restriction of connection protocol between network computer and server, therefore can well realize that the user visits the demand of local USB device under the WBT of windows 2000.Simultaneously, this invention realizes simple, stable, and operability is extremely strong.
Claims (9)
1, a kind of mapping method of USB device on network computer with memory function is characterized in that, ftp server software is installed on network computer, and USB device mapping client software is set on server; Its mapping process may further comprise the steps:
A, network computer are set up RDP with server and are connected;
B, network computer ftp server software startup FTP serve, and the file directory of FTP are appointed as the file directory of the USB device with memory function;
Server will connect desktop and send to network computer and show, and start USB device mapping client software, set up network computer by USB device mapping client software and the ftp server software on the network computer and be connected with FTP between server;
C, USB device mapping client software Control Server are connecting demonstration USB device FTP link flag on the desktop;
D, USB device mapping client software are by connecting desktop, after accepting instruction that the network computer user clicks USB device FTP link flag, call browser, the file directory of FTP on the network computer is presented on the browser interface sends to network computer.
2, mapping method as claimed in claim 1 is characterized in that, step B is described to be set up the method that network computer is connected with FTP between server and comprise:
The USB device mapping client software of B1, server initiates to detect the FTP service request to network computer;
B2, ftp server software are set up FTP according to this request and are connected, and the state information that will comprise the file directory of FTP returns to the USB device mapping client software of server;
Described step C is: the state information that USB device mapping client software returns according to ftp server software, but in the file directory time spent of FTP,, return step B1 then connecting demonstration USB device FTP link flag on the desktop, and execution in step D.
3, mapping method as claimed in claim 2 is characterized in that: among the described step C, if the file directory of FTP is unavailable, then further judge to connect on the desktop whether shown USB device FTP link flag, if return step B1 after then deleting this sign, otherwise directly return step B1.
4, mapping method as claimed in claim 1 or 2 is characterized in that: the method for described demonstration USB device FTP link flag is: show the USB device drive.
5, mapping method as claimed in claim 1 is characterized in that: FTP service Control Software is set in network computer;
FTP service Control Software sends startup FTP service order or stops the FTP service order to ftp server software according to the operation information of user's input;
Ftp server software starts the FTP service after receiving and starting the FTP service order; Ftp server software receives and stops to stop the FTP service behind the FTP service order.
6, mapping method as claimed in claim 5 is characterized in that, this method further comprises: the FTP service state is set in system registry;
Described ftp server software after starting the FTP service further the FTP service state be set to effectively; And when stopping to serve the FTP service state be set to invalid;
Described FTP service Control Software is before the operation information that receives user's input, and further inquiry FTP service state is shown to the user in the system registry.
7, mapping method as claimed in claim 2 is characterized in that: the method that the described USB device mapping of step B1 client software is initiated detection FTP service request to network computer comprises:
B11, USB device mapping client software obtain the IP address of the network computer of RDP connection;
B12, USB device mapping client software detect network computer by this IP address and FTP serve port and whether start the FTP service.
8, as claim 1,2 or 7 described mapping methods, it is characterized in that: among the described step B, USB device mapping client software adopts self-defining FTP serve port to set up FTP with ftp server software on the network computer to be connected.
9, mapping method as claimed in claim 1 is characterized in that: described USB device mapping client software comprises USB device scanning software and USB device access software;
Among the described step B: startup of server USB device mapping client software is for starting the USB device scanning software; Setting up network computer by USB device scanning software and the ftp server software on the network computer is connected with FTP between server;
Among the described step C: connecting demonstration USB device FTP link flag on the desktop by USB device scanning software Control Server;
Among the described step D: the USB device scanning software starts the USB device access software after accepting instruction that the network computer user clicks USB device FTP link flag; Call browser by the USB device access software, the file directory of FTP on the network computer be presented on the browser interface send to network computer.
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| CNB2005100513200A CN100473070C (en) | 2005-03-04 | 2005-03-04 | Mapping method for USB apparatus with storage function on network computer |
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| CNB2005100513200A CN100473070C (en) | 2005-03-04 | 2005-03-04 | Mapping method for USB apparatus with storage function on network computer |
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| CN100473070C true CN100473070C (en) | 2009-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI468947B (en) * | 2009-06-05 | 2015-01-11 | Hon Hai Prec Ind Co Ltd | Data managing system of thin client |
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| CN102194068A (en) * | 2010-03-12 | 2011-09-21 | 新奥特（北京）视频技术有限公司 | Back transmission method and system for remote material |
| CN104038535A (en) * | 2010-12-22 | 2014-09-10 | 北京华夏未来信息技术有限公司 | Method for improving user experience in virtual application environment and virtual application system |
| CN104935646A (en) * | 2011-12-09 | 2015-09-23 | 丁雪强 | Method for preventing virus propagation and securely transmitting file on counter of financial network |
| CN102662881A (en) * | 2012-03-26 | 2012-09-12 | 深圳市朗科科技股份有限公司 | USB (Universal serial bus) interconnection device and USB interconnection system |
| CN102724305A (en) * | 2012-06-13 | 2012-10-10 | 华东师范大学 | Method for remotely accessing to terminal U (universal serial bus) flash disk |
| CN105100157B (en) * | 2014-05-15 | 2019-08-27 | 中兴通讯股份有限公司 | A kind of USB device mapping, exchange method, device, cloud terminal and Cloud Server |
| CN107809646B (en) * | 2017-10-09 | 2020-06-09 | 中央电视台 | Material return method and device |
| CN109542472A (en) * | 2018-12-04 | 2019-03-29 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of airborne synthetical display control system software loading method based on USB port |
| CN117827768A (en) * | 2024-03-05 | 2024-04-05 | 国网江西省电力有限公司电力科学研究院 | USB flash disk file resource management method and system based on FTP |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI468947B (en) * | 2009-06-05 | 2015-01-11 | Hon Hai Prec Ind Co Ltd | Data managing system of thin client |
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