CN102508796A - Serial port redirection method and system - Google Patents
Serial port redirection method and system Download PDFInfo
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- CN102508796A CN102508796A CN2011103113987A CN201110311398A CN102508796A CN 102508796 A CN102508796 A CN 102508796A CN 2011103113987 A CN2011103113987 A CN 2011103113987A CN 201110311398 A CN201110311398 A CN 201110311398A CN 102508796 A CN102508796 A CN 102508796A
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Abstract
The invention provides a serial port redirection method and system. The method comprises the following steps that: a. terminal serial port redirection is initialized; b. a virtual serial port controller intercepts the I/O (input/output) request and operation of a user on serial port equipment and redirects the I/O request and operation to a terminal; c. a terminal serial port controller processes the received redirected I/O request and operation and returns the processing results to the virtual serial port controller; and d. the virtual serial port controller analyzes and processes the processing results returned by the terminal and then returns the analysis and processing results to an operating system, and the operating system finally feeds the I/O processing result fed back by the virtual serial port controller back to a user experience layer. The method and the system have the following advantages: equipment use experience on the traditional desktop is provided; the compatibility is good; and flexibility and convenience are ensured.
Description
Technical field
The present invention relates to the port redirection technical field, relate in particular to the method and system that a kind of serial port is redirected.
Background technology
Serial port provides a kind of device-independent compunication mode, and the device type of support is very extensive.Existing desktop virtual agreement has been built the serial port passage in all, for the use of serial port apparatus in desktop virtual environment provides support.As long as through opening the serial ports passage of associated desktop agreement, just can in the virtual desktop session, freely use and be linked into the serial port apparatus on the terminal.
But there is following problem in existing serial port apparatus:
A, equipment experience are different from conventional table
Existing serial port technology is not set up on the terminal serial ports to the mapping end to end of virtual desktop through the mode of creating virtual unit and relevant device node, but meets the pipe file of serial ports naming rule through establishment in virtual desktop.The user can't identify corresponding ports through watching device node, has brought one deck ambiguity for the use of equipment.
B, very flexible, equipment compatibility are poor
The driving of serial port apparatus is need to bind corresponding ports, and existing serial port apparatus drives and can only be installed in the terminal, and this has not only reduced dirigibility, and when platform that device drives is not moved on the support terminal machine, equipment can't use.
C, lack centralized management mechanism
Existing serial port technology is not supported the centralized management to the mapping of the serial ports on the terminating machine.
Summary of the invention
The method and system that the object of the present invention is to provide a kind of serial port to be redirected.
The objective of the invention is to realize through following technical scheme.
The method that a kind of serial port is redirected comprises step:
A: terminal serial port redirection initialization operation;
B: virtual serial port controller intercepting user is redirected to the terminal to the I/O request and the operation of serial equipment;
C: the terminal serial ports controller is handled redirected I/O request and the operation that receives, and result is returned to the virtual serial port controller;
D: the result that the virtual serial port controller returns the terminal returns to operating system after analyzing and processing; Operating system finally feeds back to the user experience layer according to the I/O result of virtual serial port controller feedback.
Preferably, also comprise before the step a: start the virtual serial port controller and on the terminal, start the terminal serial ports controller at the virtual desktop end.
Preferably, the said initialization operation of step a specifically comprises:
A1: the user opens the virtual desktop session and lands virtual desktop;
A2: the terminal serial ports controller reads in user's configuration and switches serial equipment to mapped mode;
A3: virtual serial port controller end of scan serial equipment, establishment virtual serial port and corresponding apparatus node;
A4: open the end-to-end serial port mapping of terminal to virtual desktop, user installation device drives in the virtual desktop, and be tied to the corresponding virtual serial ports, accomplish the mapping of end-to-end serial equipment I/O service.
Preferably, also comprise after the steps d: the user finishes the virtual desktop session and breaks off virtual desktop, and the virtual serial port controller discharges virtual serial port and sweep equipment node, finishes the mapping of serial port.
A kind of serial port Redirectional system comprises: terminal, network router/hub and virtual desktop, terminal are set up data communication through network router/hub and virtual desktop and are connected;
The terminal comprises the terminal serial ports controller, is used to scan, discern and with the serial port on the mode access terminal of file, accomplishes transmission, reception and the processing of control information and data message;
Virtual desktop comprises the virtual serial port controller, is used for creating virtual serial port and corresponding apparatus node, sets up the serial port mapping of terminal to virtual desktop; Intercepting application program and user ask and operation the I/O of serial equipment, and are redirected to terminal processes, and the result that the terminal is returned analyzes and handles.
Preferably, also comprise gateway server, be used to realize data forwarding, the wide area network access operation is provided.
Preferably, also comprise configuration server, be used to manage concentratedly the user and dispose list, strengthen control and management serial port mapping on the terminal.
The present invention compared with prior art has the following advantages:
A, the experience of the equipment on the conventional table is provided
In virtual desktop, remote desktop, create virtual serial port and device node, transparent equipment experience fully be provided, the user can not feel with conventional table on difference.
B, enhancement apparatus compatibility and the dirigibility of using
Because the existence of virtual serial port; Make the driver of serial equipment can be installed in terminal or any end of virtual desktop end, strengthened dirigibility, and this makes when driver not under the support terminal platform situation; Still have other choice, just strengthened the compatibility of equipment virtually.
The centralized management mechanism of c, adding port mapping
Use configuration server to come trustship to be directed against user's serial ports mapping configuration, make convenient management, quick.
Description of drawings
Fig. 1 is a serial port Redirectional system theory diagram of the present invention;
Fig. 2 is a serial port reorientation method process flow diagram of the present invention;
Fig. 3 is that serial port is redirected initialization flowchart.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also shown in Figure 1; Serial port Redirectional system theory diagram of the present invention; Comprise: terminal, network router/hub, gateway server, virtual desktop and configuration server; The terminal is set up data communication through network router/hub through gateway server and virtual desktop and is connected, and virtual desktop is set up data interaction through configuration server through network router/hub and terminal.
The terminal comprises the terminal serial ports controller, is used to scan, discern and with the serial port on the mode access terminal of file, accomplishes transmission, reception and the processing of control information and data message.
Virtual desktop comprises application program, user and virtual serial port controller, and the virtual desktop end is created virtual serial port and corresponding apparatus node through the virtual serial port controller, sets up the serial port mapping of terminal to virtual desktop; Intercepting application program and user ask and operation the I/O of serial equipment, and are redirected to terminal processes, and the result that the terminal is returned analyzes and handles.
Gateway server is used to realize data forwarding, and the wide area network access capability is provided, and breaks through the LAN restriction.
Configuration server is used to manage concentratedly the user and disposes list, strengthens control and management to serial port mapping on the terminal.
See also shown in Figure 2ly, serial port reorientation method process flow diagram of the present invention comprises:
Step 201: start the virtual serial port controller at the virtual desktop end, be used to create virtual serial port and corresponding apparatus node, develop and manage serial port and shine upon end to end;
Step 202: start the terminal serial ports controller on the terminal, request and redirected equipment I/O request and the operations of virtual serial port such as the TCP of response virtual serial port controller and identification;
Step 203: terminal serial port redirection initialization operation, concrete, consult shown in Figure 3ly, comprising:
Step 301: the user opens the virtual desktop session and lands virtual desktop;
Step 302: the terminal serial ports controller reads in user's configuration and switches serial equipment to mapped mode;
Step 303: virtual serial port controller end of scan serial equipment, establishment virtual serial port and corresponding apparatus node;
Step 304: open the end-to-end serial port mapping of terminal to virtual desktop, user installation device drives in the virtual desktop, and be tied to the corresponding virtual serial ports, accomplish the mapping of end-to-end serial equipment I/O service;
Wherein, serial port is redirected, and refers to serial ports is mapped in other computing machine in the network use, and does not use in this locality;
Step 204: virtual serial port controller intercepting user is redirected to the terminal to the I/O request and the operation of serial equipment;
Step 205: the terminal serial ports controller is handled redirected I/O request and the operation that receives, and result is returned to the virtual serial port controller;
Step 206: the result that the virtual serial port controller returns the terminal returns to operating system after analyzing and processing;
Step 207: operating system finally feeds back to the user experience layer according to the I/O result of virtual serial port controller feedback;
Step 208: the user finishes the virtual desktop session and breaks off virtual desktop, and the virtual serial port controller discharges virtual serial port and sweep equipment node, finishes the mapping of serial port.
Wherein, When causing that owing to network anomaly serial ports shines upon under the interrupted situation; The mapping that mechanism such as employing disconnection reconnecting and the recovery of I/O passage buffering are come restorer I/O from ERST; This Restoration Mechanism is transparent, and the user is almost imperceptible to have unusual generation, can be good at keeping the continuity of user experience.
Said I/O passage buffering is recovered, and refers to adopt the disconnection reconnecting technology from network anomaly after the restorer mapping, from before take out the I/O request of buffering and accomplish I/O request and processing again for normal process at last before unusual the generation.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the method that serial port is redirected is characterized in that, comprises step:
A: terminal serial port redirection initialization operation;
B: virtual serial port controller intercepting user is redirected to the terminal to the I/O request and the operation of serial equipment;
C: the terminal serial ports controller is handled redirected I/O request and the operation that receives, and result is returned to the virtual serial port controller;
D: the result that the virtual serial port controller returns the terminal returns to operating system after analyzing and processing; Operating system finally feeds back to the user experience layer according to the I/O result of virtual serial port controller feedback.
2. the method that serial port as claimed in claim 1 is redirected is characterized in that, also comprises before the step a: start the virtual serial port controller and on the terminal, start the terminal serial ports controller at the virtual desktop end.
3. the method that serial port as claimed in claim 2 is redirected is characterized in that the said initialization operation of step a specifically comprises:
A1: the user opens the virtual desktop session and lands virtual desktop;
A2: the terminal serial ports controller reads in user's configuration and switches serial equipment to mapped mode;
A3: virtual serial port controller end of scan serial equipment, establishment virtual serial port and corresponding apparatus node;
A4: open the end-to-end serial port mapping of terminal to virtual desktop, user installation device drives in the virtual desktop, and be tied to the corresponding virtual serial ports, accomplish the mapping of end-to-end serial equipment I/O service.
4. the method that serial port as claimed in claim 1 is redirected; It is characterized in that; Also comprise after the steps d: the user finishes the virtual desktop session and breaks off virtual desktop, and the virtual serial port controller discharges virtual serial port and sweep equipment node, finishes the mapping of serial port.
5. a serial port Redirectional system is characterized in that, comprising: terminal, network router/hub and virtual desktop, terminal are set up data communication through network router/hub and virtual desktop and are connected;
The terminal comprises the terminal serial ports controller, is used to scan, discern and with the serial port on the mode access terminal of file, accomplishes transmission, reception and the processing of control information and data message;
Virtual desktop comprises the virtual serial port controller, is used for creating virtual serial port and corresponding apparatus node, sets up the serial port mapping of terminal to virtual desktop; Intercepting application program and user ask and operation the I/O of serial equipment, and are redirected to terminal processes, and the result that the terminal is returned analyzes and handles.
6. serial port Redirectional system as claimed in claim 5 is characterized in that, also comprises gateway server, is used to realize data forwarding, and the wide area network access operation is provided.
7. serial port Redirectional system as claimed in claim 5 is characterized in that, also comprises configuration server, is used to manage concentratedly the user and disposes list, strengthens control and management to serial port mapping on the terminal.
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| CN201110311398.7A CN102508796B (en) | 2011-10-14 | 2011-10-14 | Serial port redirection method and system |
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| CN201110311398.7A CN102508796B (en) | 2011-10-14 | 2011-10-14 | Serial port redirection method and system |
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| CN103218321A (en) * | 2013-04-23 | 2013-07-24 | 深圳市京华科讯科技有限公司 | Port mapping method based on all-in-one machine |
| CN105721566A (en) * | 2016-01-29 | 2016-06-29 | 华为技术有限公司 | Method for redirecting port, server and system |
| CN103902949B (en) * | 2012-12-30 | 2017-02-15 | 航天信息股份有限公司 | Method and device for using ordinary scanning gun based on specific application |
| CN106598803A (en) * | 2016-04-29 | 2017-04-26 | 福建先创通信有限公司 | Method for remotely monitoring operation of host system |
| CN107203408A (en) * | 2016-03-17 | 2017-09-26 | 华为技术有限公司 | The methods, devices and systems of redirection |
| CN107395423A (en) * | 2017-07-28 | 2017-11-24 | 郑州云海信息技术有限公司 | The method and apparatus for binding the network port and network card interface |
| CN108153579A (en) * | 2017-12-29 | 2018-06-12 | 佛山市幻云科技有限公司 | Desktop cloud peripheral hardware access system |
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| CN108153579A (en) * | 2017-12-29 | 2018-06-12 | 佛山市幻云科技有限公司 | Desktop cloud peripheral hardware access system |
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| CN102508796B (en) | 2014-10-22 |
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Effective date of registration: 20220128 Address after: 510000 room b1309, No. 161, Linhe West Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Fengyun Information Technology Co.,Ltd. Address before: 518000 room 425, floor 4, building 4, Zhongxing Industrial City, Chuangye Road, Nanshan District, Shenzhen, Guangdong Province Patentee before: Shenzhen Jinghua Kexun Technology Co.,Ltd. |