CN105051714A - System and method of web-based virtual media redirection - Google Patents
System and method of web-based virtual media redirection Download PDFInfo
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Abstract
Certain aspects of the present disclosure are directed to a method of performing a virtual media redirection. The method includes: (a) establishing a Web Socket connection between a web server of a baseboard management controller (BMC) and a browser program of a computing device in a network, the BMC performing a management function of a host computer; (b) emulating, at the BMC, virtual media to the host computer; (c) receiving, at the BMC, a read command from the host computer and directed to the emulated virtual media, the read command specifying a first file; (d) in response to the read command, sending, at the BMC, a request for the first file according to the read command to the browser program through the Web Socket connection; and (e) receiving, at the web server, the first file from the browser program through the Web Socket connection.
Description
the cross reference of related application
That this PCT application is advocated to submit on March 15th, 2013, application number is 13/841, the right of priority of the U.S. Patent application of 220 and benefit, this U.S. Patent application name is called " system and method that network virtual media is redirected ", application people is the Zhuo Yimaidi that walks slowly like a woman (SanjoyMaity), Pascal Er Pasiben (BaskarParthiban), mountain Venus Chris husband (SamvineshChristopher) and vara Da Chali the Sudan A Yaman (VaradachariSudanAyanam), the full content of this U. S. application is in this as reference.
Technical field
The application relates to computer systems technology field, particularly relates to network virtual media Redirectional system and method between a kind of main frame and computing equipment.
Background technology
Background technology described here is used to the content summarizing the application.In the work of present inventor that this background technology part describes, and other parts of instructions of the prior art in the application's submission date cannot be regarded as, both there is no the prior art not also impliedly being recognized as the application clearly.
Usually, term " computer system " refers to isolated system or multiple interconnective system, such as client-sever network.When not considering to implement, the parts of various composition computer system work usually in the parameter area defined by performance protocol or standard.Such as, monitor to detect when system may be increased beyond time cycle of a certain preset temperature reading to the temperature in computer cabinet.Other in a computer may monitored information include but not limited to the semiconductor devices be arranged on system substrate voltage, be positioned on substrate or the speed (as rev/min) of radiator fan of cabinet and the speed of the Spindle Motor of hard disk drive or disc drives.
Various types of sensor is used to parameter relevant with performance with operation in detection computations machine system and assembly thereof.With reference to the example provided above, these sensors comprise temperature controller, voltage table and tachometer gage.Computer system usually utilize one or more administration module come assisted acquisition with analyze various sensor sensing to in measuring system with run the parameter information relevant with performance.These administration modules not only can be software composition but also can be hardware composition, but usually comprise software and hardware composition simultaneously.Such administration module is called as " baseboard management controller " (BMC).BMC is the microcontroller of computer system and has the contact pilotage of specific quantity, can receive the information of various sensor sensing for analysis by this contact pilotage BMC.In order to perform this analysis, firmware programs is carried out to perform with system monitoring and to recover relevant program to BMC.By this firmware, to BMC carried out programming with monitor various computer system internal induction to run the parameter relevant with performance and analyze these information to determine currently whether have any parameter sensed beyond the range of operation of advising, if there is this situation to be so normally called as " accident ".
BMC can implement virtual media and be redirected.But, there is problem to be solved when enforcement virtual media is redirected.
Summary of the invention
Some aspect of the application aims to provide a kind of method performing virtual media and be redirected.The method comprises: the web socket that (a) sets up between the webserver of baseboard management controller (BMC) and the browser program of computing equipment is in a network connected, and described BMC performs the management function of main frame; B virtual media is simulated described main frame by () on described BMC; C () receives sensing from described main frame and is read instruction by the virtual media of simulating on described BMC, described in read order details first file; D read instruction described in () basis, connected by described web socket, the request that described BMC sends request described first file reads instruction to described browser program described in responding; And (e) connects described first file received from described browser program on the described webserver by described web socket.
In certain embodiments, described method comprises: (a) receives the web socket handshake request of the network socket word modules from described computing equipment on the network socket word modules of described BMC; And the described network socket word modules of (b) described BMC sends the described network socket word modules that shake hands corresponding with described web socket handshake request reply described computing equipment and connects to set up described web socket.In certain embodiments, described method also comprises: (a) generates and be redirected webpage on the described webserver of described BMC, obtains file in the storer of described computing equipment or file system structure to described redirected Web wrapper to indicate described browser program; And described redirected webpage is sent to described browser program by (b) on the described webserver.Described redirected Web wrapper to be connected by described web socket to indicate described browser program (a) to obtain the first file and (b) with described request from described storer described first file is sent to the described webserver.
In a certain embodiment, described method is included on the described webserver and sends Java object to described browser program.Compile described Java object to provide the function allowing described browser program to obtain file in which memory.Compile described Java object thus call Java native interface function to obtain the file in described storer.To indicate described browser program, described Java object is downloaded to described redirected Web wrapper.From the ISO image file described storer, obtain described file or file system structure to indicate described browser program to described redirected Web wrapper, described first file is arranged in described ISO image file.Described storer is the external memory storage of described computing equipment.To described redirected Web wrapper with indicate described browser program by described web socket connect send media selected in which memory file system structure or file to the described webserver.
In certain embodiments, described method comprises I/O (I/O) interface that described BMC is connected to described main frame thus described main frame can by the virtual media of BMC simulation described in described I/O interface accessing further.In certain embodiments, described I/O interface is USB interface.In certain embodiments, described web socket connects for secure network socket connects.
Some aspect of the application aims to provide a kind of baseboard management controller (BMC).Described BMC comprises the webserver, configures the described webserver and connects with the web socket built in a network between BMC and the browser program of computing equipment and connected the first file received from described browser program by web socket.Described BMC also comprises redirection module, configures described redirection module so that virtual media is simulated main frame; Receive to point to from described main frame and read instruction by the virtual media of simulating, described in read order details first file; And read instruction according to described, connect by described web socket the request sending request the first file and described in responding, read instruction to described browser program.Described BMC performs the management function of main frame.
Some aspect of the application aims to provide a kind of nonvolatile computer-readable storage medium.Described computer-readable storage medium stores computer executable instructions.When the processor of substrate manager (BMC) performs described computer executable instructions, described processor can be caused: the web socket that (a) sets up between the webserver of described BMC and the browser program of computing equipment in a network connects, and described BMC performs the management function of main frame; B virtual media is simulated described main frame by (); C () receives to point to from described main frame and is read instruction by the virtual media of simulating, described in read order details first file; Read instruction described in (d) basis, connect by described web socket the request sending request the first file and described in responding, read instruction to described browser program; And (e) is connected by described web socket, receive the first file from described browser program at the described webserver.
According to the following specific description book provided, the application prospect of the application becomes and is perfectly clear.Should be understood that specific description book and specific example are the protection domains being only used to set forth the application and being not meant to limit the application.
Accompanying drawing explanation
Can comprehend the application from the instructions described in detail and accompanying drawing, wherein:
Fig. 1 schematically depict the network virtual media Redirectional system that one embodiment of the invention provides;
The web socket that Fig. 2 schematically depict one embodiment of the invention to be provided connects;
Fig. 3 A citing describes the HTTP request and HTTP response that use GET;
Fig. 3 B citing describes the web socket handshake request and response that one embodiment of the invention provides;
The network virtual media that Fig. 4 A schematically depict one embodiment of the invention to be provided is redirected;
Fig. 4 B schematically depict the flow process that the network virtual media shown in Fig. 4 A is redirected;
The network virtual media that Fig. 5 A schematically depict another embodiment of the present invention to be provided is redirected; And
Fig. 5 B schematically depict the flow process that the network virtual media shown in Fig. 5 A is redirected.
Embodiment
Following example described in more detail the application, and these examples are just used as illustrative, because the various amendment of these examples and distortion it will be apparent to those skilled in the art that.Various embodiments of the invention now will describe in detail.About accompanying drawing, numbering similar in whole accompanying drawing, if any, structure like representation class.Run through follow-up claims in instructions herein, unless clearly indicated in the context, the implication of " " and " described " comprises quotes plural number.Equally, in instructions herein, run through follow-up claims, unless clearly indicated in the context, " ... in " implication comprise " ... in " and " ... on ".And the title used in the description and subtitle are used to help reader, for the scope of the application without any impact.In addition, some terms will used in more specifically defined declaration book below.
In the certain content that the application's text and term use, the term used in this instructions is all generally their usual implications in the art.Below or other places of instructions will some term used be discussed in some the application, provide guide with the practitioner (preactitioner) to instructions of the present invention.Conveniently, some term will be emphasized, such as, use italic and/or quotation marks.Use and emphasize the scope and the implication that do not affect term; Whether no matter emphasized, in identical content, the scope of term is identical with implication.Should be understood that identical thing can have multiple different statement.Therefore, any one or more terms discussed herein can have alternative language and synonym, and whether term mentions or discuss not have any great impact at this.Provide the synonym of some term.The one or more synonyms enumerated are not got rid of can also use other synonyms.The example used Anywhere in this instructions, the example comprising any term discussed herein is only used to illustrate, is not meant to limit scope and the implication of the application or any term enumerated.Similarly, the application can not be restricted to the various embodiments provided in instructions.
Unless expressly stated, all technology used herein and scientific and technical terminology have the conventional implication that those skilled in the art described in the application understand.As contradictory, present specification, comprises definition, will control.
Usually, " left and right " used in this application, " approximately " or " being similar to " refer to relative to set-point or coverage bias within 20%, preferably within 10%, more preferably within 5%.The digital quantity herein provided is approximate, means if do not explicitly not pointed out, and so " left and right ", " approximately " or " being similar to " these terms can be inferred.
" multiple " that use in this be meant to two and more than.
The term used in this " comprises ", " comprising ", " having ", " containing " etc. represent open, is meant to include but not limited to.
At least one in phrase A, B and C of using in this is interpreted as using non-exclusive "or" logic (A or B or C).One or more steps that the method for should be understood that comprises can perform according to different order (or side by side) under the prerequisite of principle not changing the application.
The term " module " used in this, a part can be referred to or comprise the part or all of combination of special IC (ASIC), electronic circuit, combinational logic circuit, field programmable gate array (FPGA), the processor (shared, special or cluster) of run time version, other suitable hardware combinations that described function is provided or more, such as SOC (system on a chip).Term module can comprise the storer (shared, special goods cluster) of the code that storage of processor performs.
Above-mentioned term " code ", can comprise software, firmware and/or microcode, can refer to program, thread, function, classification and/or object.Above-mentioned term " shared ", means that some or all codes from multiple module can use single (sharing) processor to perform.In addition, some or all codes from multiple module can be stored in single (sharing) internal memory (memory).Above-mentioned term " cluster ", means that some or all codes from individual module can be performed by a group processor.In addition, some or all codes from individual module can be stored in a group internal memory.
One or more computer programs that the apparatus and method described in this perform by another or multiple processor are implemented.Computer program comprises the executable instruction of processor be stored in the tangible computer-readable medium of nonvolatile.Computer instruction also can comprise stored data.The non-limitative example of the computer-readable medium that nonvolatile is tangible comprises nonvolatile memory, magnetic store and optical memory.
Below with reference to accompanying drawing, the application is more comprehensively described, there is shown the embodiment of the application.Then, the application can various different form implement, and is not limited to the embodiment provided in this; More precisely, these embodiments are for making the application be understood completely and thoroughly, and those skilled in the art can be made to understand the scope of the application completely.Similar label represents similar parts.
The application relates to computer system.As depicted in the figures, computer module can comprise the hardware component representing physics by solid box and the software part be indicated by the dashed box.It will be understood by those skilled in the art that unless expressly stated, these computer modules are embodied as, but are not limited to software form, form of firmware or example, in hardware, or their combination.
Fig. 1 schematically depict the network virtual media Redirectional system that one embodiment of the invention provides.As shown in Figure 1, system 100 comprises main frame 110 and the computing equipment 140 be connected with main frame 110 by network 130.System 100 can be incorporated to more than interconnective system, such as a client-sever network.Network 130 can be wired or wireless network, and can be various different form, as LAN (Local Area Network) (LAN) or the wide area network (WAN) comprising the Internet.
Main frame 110 can be general object computer system.Main frame 110 comprises substrate 111, or cries " mainboard ".Substrate 111 is printed circuit board, and by system bus or other electrical communication path, various assembly or equipment can be connected on substrate.Although clearly do not illustrate in FIG, the parts on substrate 111 are interconnective, and the wiring of parts on substrate 111 and the be interconnected mode of parts on substrate 111 are referred to here as the configuration of substrate 111.It will be understood by those skilled in the art that the configuration of substrate 111 can be carried out regulating and changing according to design requirement and manufacture requirements.
Parts on substrate 111 include but not limited to central processing unit (CPU) 112, internal memory 113, baseboard controller (BMC) 120 and other storage required and I/O (I/O) module (not shown).CPU112, internal memory 113 and BMC120 can be embedded in substrate 111, or are connected to substrate 111 by interface.In certain embodiments, interface can be physical hardware interface, such as electric connector, bus, port, cable, terminal or other I/O equipment.
CPU112 is primary processor, for the operation of main control system 110.Primary processor can other application of executive operating system (OS) or main frame 110.In certain embodiments, main frame 110 can have more than a CPU as primary processor, the such as CPU of two CPU, four CPU, eight CPU or any suitable quantities.
Internal memory 113 can comprise volatile memory, such as random access memory (RAM), for storing data and the information of headless server 200 run duration.
BMC120 refers to the special microcontroller of the interface between management system management software and platform hardware.Can build various dissimilar sensor in system 100, and BMC120 reads these sensors to obtain the parameters such as such as temperature, radiator fan speed, power rating, operation system state.And if any parameter of BMC120 monitoring sensor is not in default restriction, alarm is sent to system manager by network by BMC120, with the incipient fault of indication mechanism 100.Keeper also can long-rangely communicate to adopt right measures with BMC120, such as, reset or restart system to rerun to make the operating system of hang-up.Further, BMC120 can comprise virtual media redirection module, sets up the addressable virtual media of main frame 110 for allowing.Therefore, user can initiate virtual media session from computing equipment 140 and provide data as by the content of BMC120 to the virtual media of main frame 110 on the computing device.
In certain embodiments, IPMI (IPMI) industry standard for system monitoring and fault recovery observed by the firmware of BMC120.IPMI agreement is the standardized computer system interface agreement for computer system outband management and operation monitoring, this agreement is conversation-based, requires the IPMI session of setting up before application module energy and Target IP MI devices communicating between application module and Target IP MI equipment.IPMI specification is provided for the interface based on universal information of all ALARA Principle characteristics of accessing compatible computer, and comprises a large amount of predetermined instructions for reading temperature, pressure, fan speed, cabinet disturbance and other parameters.System failure daily record, hardware monitor and power control also to obtain by IPMI.Like this, IPMI defines and connects by operating system or by outside, as connected the various parameters of collecting by network or serial ports for obtaining BMC.BMC receives IPIM instruction or request by system interface from locally-attached supervisory computer, or receives external request by network interface from locally-attached supervisory computer.
In addition, in certain embodiments, BMC120 comprises virtual media module 122, network socket word modules 124 and web server module 126.Virtual media module 122 can analog physical storage medium, just as virtual media module is connected in fact main frame 110.Network socket word modules 124 can by single transmission connection protocol (TCP) connection establishment full-duplex communication passage under web socket agreement.Web server module 126 can provide by the addressable Web content in the Internet.The details of each module is by subsequent descriptions.
Further, main frame 110 comprises storer 114 and at least one I/O equipment 116.Storer 114 is the data storage medium for the operating system (not shown) of storage host 110 and other application.The example of storer 114 comprises the data-carrier store of flash memory, RAM (random access memory) card, usb driver, hard disk drive, floppy disk, CD-ROM drive or other types.The example of I/O equipment 116 comprises keyboard, touch pad, mouse, microphone, display screen, touch-screen or can be used for other I/O equipment of main frame 110.
Computing equipment 140 is connected to main frame 110 by network 130 is long-range.The long-range computing equipment 140 being connected to main frame 110 while of those skilled in the art will recognize that system 100 may comprise multiple.The example of computing equipment 140 comprises, such as portable set, such as smart mobile phone, palm PC or other movable computer equipment.
Computing equipment 140 comprises CPU171, internal memory 173 and storer 142.Storer 142 is data storage mediums of operating system for storing computing equipment 140 or other application.The example of the storer 142 of computing equipment 140 can comprise the data-carrier store of flash memory, RAM (random access memory) card, usb driver, hard disk drive, floppy disk, CD or other types.
Browser program 143 can be downloaded in internal memory 173 and also can be performed by the CPU171 of computing equipment 140.Browser program 143 is for obtaining, present and information resources being sent to the software application of user.Further, what browser program 143 can be used as system 110 is redirected client for the virtual media communicated with main frame 110.In general, browser program 143 can obtain and be provided in open network, such as, information resources on the Internet.Information resources can comprise the data content of webpage, picture, video or other types.
Further, internal memory 173 can loading operation system 114 and network socket word modules 145.Network socket word modules 145 is modules corresponding with the network socket word modules 124 of the BMC on main frame 110, thus can set up the full-duplex communication passage under web socket agreement between main frame 110 and computing equipment 140.
Further, computing equipment 140 comprises at least one I/O equipment 146.The example of I/O equipment 146 comprises keyboard, touch pad, mouse, microphone, display screen, touch-screen or is applicable to other I/O equipment of computing equipment 140.Some I/O equipment, such as touch-screen is for providing the two directions' inputing/output of computing equipment 140.
In order to show as webpage and the information resources of other data contents of use browser program 143, HTML (Hypertext Markup Language) (HTML) is the standardized markup language in language format Network Based, for display web page and other information that can show in browser program 143.The data of html format use the form of HTML key element or " mark " to write, and in web page contents, it is drawn together in angle bracket (such as <html>).At present, html format is extensively adopted by browser program nearly all on market, and therefore it is suitable as the network language format of the communication instruction between the webserver 126 of the BMC120 of browser program 143 in computing equipment 140 side and main frame 110 side.
In general, except html format language, the script as JavaScript is used to the input and output controlling user interface.Further, the version HTML5 of html language recent development is that the network storage provides a large amount of character, and it has used network application software method and agreement for being stored data by web browser.Browser program conventional in the past does not support HTML5 form, but support that the browser program of HTML5 form comprises MOZILLAFIREFOX1.5, GOOGLECHROME4.0, SAFARI3.1, SAFARIMOBILE3.2, OPERA9.0, OPERAMOBILE10.0, ANDROIDBROWSER2.1 and INTERNETEXPLORER9.0, or the version of any renewal of these browser programs.Therefore, browser program 143 can be supported HTML5 and can be the one in browser program listed above.
Browser program 143 can use HTML (Hypertext Markup Language) (HTTP) to communicate with the webserver 126 on BMC.Particularly, browser program 143 can send HTTP request to the webserver 126.Once after receiving HTTP request, server can send HTTP and reply browser program to respond HTTP request.
Usually, under http, the webserver 126 can not initiate data transmission to browser program 143.Web socket can provide the full-duplex communication passage in single TCP connection, thus server initiatively can send instruction or information to client.Web socket is incorporated in HTML5, and therefore it can be implemented web browser and the server support of HTML5.
Fig. 2 shows the process setting up the web socket connection between main frame 110 and computing equipment 140 that one embodiment of the invention provides.Web socket connects and starts to be connected similar mode with HTTP, but there is provided two-way network of continuous print between main frame 110 with browser program 124 and be connected.When browser program 143 attempt to set up web socket connect time, browser program 143 indication network socket module 145 sends the port 443 (HTTPS port) of web socket handshake request to the network socket word modules 124 of port 80 (http port of acquiescence) or BMC120.Web socket handshake request is similar to the GET used in HTTP request, but it comprises more Multi net voting socket instruction and can regard that " upgrading " asks as.Once after receiving web socket handshake request, it is web socket handshake request instead of HTTP request that the webserver 126 goes out this request according to the information identifiable design of the upgrading in web socket handshake request.The webserver 126 sends and shakes hands response message to browser program 143.Correspondingly, the web socket can set up between browser program 143 with the webserver 126 is connected 150.
Fig. 3 A and 3B provides the contrast between web socket handshake request and HTTP request, and wherein Fig. 3 A shows an example of the HTTP request using GET, and Fig. 3 B shows an example of web socket handshake request.As shown in Figure 3A, the information of content in the head instruction response message of the response message of response HTTP request, the type comprising content is text/web page files, the language that uses in the length of content file and content.Last column of the head of the response message of response HTTP request is used to indicate the connection between the last Shutdown Hosts 110 and browser program 124 of response.Compare, front two row of the web socket handshake request shown in Fig. 3 B comprise the GET identical with HTTP request.The row subsequently of web socket handshake request comprises the information of upgrading, carries out upgrading or switching to web socket agreement from conventional H TTP request for informing network socket module 124.Further, different from the response message of response HTTP request, the head in response to the response message of shaking hands of web socket handshake request does not indicate and connects in the last closedown of response.
Once establish web socket to connect 150, network socket word modules 124 all sends data to the other end by being connected with network socket word modules 145.Data layout can be any effective UTF-8 string format, such as JSON or XML, but if wants also can use with other data layouts.
Network socket word modules 124 and 145 can be all kinds and design, such as PHP web socket, Java web socket, Web-Socket-ruby, SocketIO-mode, or the web socket application of other types.In order to network socket word modules 124 being set to the network socket character server of main frame 110 side, main frame 110 and the domain name of port (such as port 80 or 443) used or IP address must be provided to indicate the position of main frame 110, and multiple instruction must be set up to respond some " event ", such as, open socket (namely web socket connects), receive handshake request or other information in socket or close socket.When establishing network socket character server, web socket client can use uniform resource location (URL) to be connected to network socket character server, the beginning of uniform resource location system is " ws ", substitute the beginning " http " of conventional H TTP system, or the beginning of uniform resource location system is " wss ", substitutes the beginning " https " of conventional H TTP system.
The network virtual media that Fig. 4 A and 4B shows some embodiment of the application to be provided is redirected characteristic.As shown in Figure 4 A, main frame 110 can comprise the USB port 115 as I/O equipment.BMC120 can comprise virtual media module 112, and this virtual media module 112 connects 121 by the USB set up by USB port 115 and communicates with main frame 110, and by USB connection 121, media storage is simulated main frame 110.USB connects permission BMC120 and simulates USB mass-memory unit on main frame 110, such as floppy disk, CD-ROM or hard disk drive.In certain embodiments, those can be used as startup equipment by main frame by the equipment of simulating.Discuss in detail as by follow-up, computing equipment 140 can be main frame 110 provides program or data using as by the program of equipment simulated or data.In certain embodiments, when virtual media module 122 is simulated in startup equipment to main frame 110, main frame 110 can start from the program of computing equipment 140 and data, and this computing equipment is transferred into BMC120 and is used as startup equipment.Although clearly do not illustrate, main frame 110 and computing equipment 140 can comprise the miscellaneous part be redirected for performing network virtual media.
For example, BMC120 can based on USB connecting analog mass-memory unit, such as, by the CD-ROM equipment of simulating.Be can be used for the content redirection of the ISO image file 148 on computing equipment 140 to main frame 110 by the CD-ROM equipment of simulating.Also be can be used for providing the out-of-band communication between main frame 110 and BMC by the CD-ROM equipment of simulating.The USBCD-ROM of standard concerning main frame 110 by the CD-ROM equipment of simulating.Therefore, standard CD-ROM that is that operating system main frame 110 performed can utilize the operating system of use and that provide comes and CD-ROM devices communicating.Self-defining hard disk drive may be needed.
In certain embodiments, computing equipment 140 comprises operating system 144 and the browser program 143 operated in operating system 144.Further, computing equipment 140 comprises the storer 142 storing ISO image file 148.The disk mirroring of ISO image file 148 normally history file or CD, comprises file system and data.In certain embodiments, browser program 143 defers to HTML5 standard, and can directly not use any this locality to call to read ISO image file 148.Such as, when giving the position of ISO image file 148, browser program 143 can directly use operating system (OS) 144 to obtain ISO image file 148 and to read the content of ISO image file.To discuss in detail as by follow-up, when the instruction of the webpage that the webserver 126 being subject to BMC120 generates, browser program 143 can by the information of ISO image file 148, as file system structure (file name suggestion list of the file system in such as ISO image file 148), and the data of specific file are sent to BMC120.These information communicate with BMC120 by web socket.Once receive these information, BMC120 can utilize virtual media module 122 that these information are supplied to main frame 110 as by the data of media simulated.
The media that Fig. 4 B shows between main frame 110, BMC120 and computing equipment 140 that some embodiment of the application provides are redirected flow process.In act 410, browser program 143 sends a request to BMC120 by network and is redirected webpage to ask virtual media.Request can be HTTP form.After receiving the redirected request of this request virtual media, in operation 412, the webserver 126 of BMC120 sends virtual media and is redirected webpage to browser program 143.Therefore, browser program 143 can show this virtual media and be redirected webpage, inputs or select to be about to the configuration information of the virtual media of being simulated by BMC120 in operation 414 to allow the user of computing equipment 140.The configuration information of virtual media can comprise the type that is about to the virtual media of being simulated by BMC120 and be about to be modeled as by the data on the content computing equipment 140 of virtual media of simulating.In certain embodiments, virtual media webpage can provide all kinds inventory of ISO image file inventory in storer 142 and virtual media, as CD-ROM, SD internal memory, usb driver etc. are selected for user.Such as, the virtual media that browser program 143 provides is redirected webpage and JavaScript can be used to go to obtain the file system of computing equipment 140 to indicate browser program 143 and obtain available ISO image file inventory.
In operation 414, user is redirected webpage configuration virtual media module by the virtual media that browser program 143 provides.Such as, the configurable BMC122 of user simulates main frame 110 to fall CD-ROM and is used as the data of ISO image file 148 by the data of the CD-ROM simulated.After user's input configuration information, in operation 416, the data selected by browser program 143 can obtain according to the input of user, as being stored in the ISO image file 148 in storer 142.Such as, browser program 143 performs and is included in virtual media and is redirected JavaScript in webpage, so browser program 143 be instructed to obtain selected by ISO image file 148.Then, in operation 418, browser program 143 sends the webserver 126 of instruction to BMC120 of resume virtual media module 122.After receiving user instruction, in operation 420, virtual media module 122 simulates the virtual media (as CD-ROM) of required type on main frame 110.
When Host Detection is to by the virtual media of simulating and when it is taken as real physical medium, in operation 422, main frame 110 can be attempted to read the fileinfo by the virtual media of simulating.In certain embodiments, fileinfo comprises file system structure, as the file name suggestion list of virtual media.When receiving the request of demand file system architecture in operation 424, virtual media module 122 can send HTTP response message by indication network server, as comprised the webpage of the JavaScript of the file system structure of request ISO image file 148, to browser program 143.When browser program 143 receives the required information of HTTP, in operation 426, browser program 143, such as, indicated by JavaScript, accesses the ISO image file 148 that is stored in storer 142 to obtain file system structure.
Then, in certain embodiments, in operation 428, browser program 143 sends web socket handshake request to the webserver 126 to be based upon the communication port under web socket agreement.After receiving web socket handshake request, in operation 430, the webserver 126 indicates the network socket word modules 124 on BMC120 to open web socket.Similarly, in operation 432, browser program 143 indicates the network socket word modules 145 on computing equipment 140 to open web socket.In operation 434, the web socket established between network socket word modules 124 with network socket word modules 145 is connected.
Connect once establish web socket, in operation 436, browser program 143 is sent in the file system structure that obtains in operation 426 to network socket word modules 145.In operation 438, the network socket word modules 145 in computing equipment 140 side connects transmission file system structure to the network socket word modules 124 in BMC120 side by web socket.In operation 440, network socket word modules 12 sends the webserver 126 of file system structure to BMC120.Then, the webserver 126 sends file system structure to virtual media module 122.In operation 442, file system structure is supplied to main frame by virtual media module 122, using as the result also pointing to the file system structure read operation of the virtual media of being simulated by virtual media module initiated by main frame 110 in operation 422.Therefore, main frame 110 obtain virtual media by the file system structure of simulating, and can from virtual media demand file and data.
When main frame 110 is attempted from when being read a certain file the virtual media of simulating, in operation 444, virtual media module 122 receives this read operation that main frame 110 is initiated.Then, virtual media module 122 indication network server 126 main frame 110 requests a specific file.Then the webserver 126 sends request the request of file to browser program 143 by web socket connection 150.Particularly, in operation 446, the webserver 126 sends a request to network socket word modules 124.In operation 448, network socket word modules 124 sends a request to network socket word modules 145 by web socket connection.Then, in operation 450, network socket word modules 145 sends a request to browser program 143.After the requests have been received, in operation 452, browser program 143 performs and is defined as the routine processing this event in webpage.This webpage generates by the webserver 126, and provided by browser program current.Such as, this routine can according to being connected the request obtained by web socket, the access of instruction browser program 143 be stored in ISO image file 148 in storer 142 with obtains ask in the file listed.
Once obtain asked file, browser program 143, as indicated by the webpage that provides, connect 150 by web socket and send the file that obtains to BMC120.Such as, webpage can comprise and connect by web socket the JavaScript function that 150 send data, such as socket.send (" data ").Particularly, in operation 454, browser program 143 sends file to network socket word modules 145.In operation 456, network socket word modules 145 connects transmission file to network socket word modules 124 by web socket.In operation 458, network socket word modules 124 sends the webserver 126 of file to BMC120 side.Then, the webserver 126 sends file to virtual media module 122.In operation 442, file is supplied to main frame 110 by virtual media module 122, using as initiated in operation 444 by main frame 110 and point to the result reading instruction of virtual media simulated by virtual media module 122.Therefore, main frame 110 can from by file reading the virtual media of simulating.
The network virtual media that Fig. 5 A and 5B schematically depict another embodiment of the application to be provided is redirected characteristic; In this example embodiment, main frame 110, BMC120 and computing equipment 140 configures similar with them in Figure 4 A, and difference is discussed below.Computing equipment 140 can comprise the storer 147 being connected to computing equipment 140 by I/O port one 46, such as, independent of the single mass-memory unit of storer 142.Storer 147 comprises the file be not stored in ISO image file form.Such as, at least one file 149 is stored in storer 147.The example of storer 147 can comprise usb driver, hard disk drive, floppy disk, CD-ROM driver or be applicable to any other type of data storage device.
In certain embodiments, browser program 143 can utilize this locality to call to obtain file system structure and the file of storer 147.Such as, browser program 143 can comprise the Java Virtual Machine (JVM) that can perform Java object, and this Java object allows to download from BMC120 when operating browser program when user.This Java object can call Java local interface (JNI) function.JNI is programming framework, Java code call this locality application (program for hardware and operating system platform) that JVM runs can be made and use other language, the database that such as C, C++ and combination thereof write, also can make on JVM run Java code call by them.JNI function can provide the path of the function obtaining operating system, such as system call.BMC120 can comprise Java object 164, and Java object is the function compiling in advance and define, and these functions viewed device program 143 can call the data obtaining computing equipment 140, such as, by JNI function that JVM supports.In one example in which, Java object 164 defines loading mirror image function, and this loading mirror image function utilizes JNI function to obtain file system structure and the file of particular media asset.By the webserver of BMC120 generate and the webpage provided by browser program can comprise JavaScript routine, this routine browser program can be indicated on JVM to perform Java object and the loading mirror image function calling Java object 146 to obtain the file system of storer 147.
The media that Fig. 5 B shows between main frame 110, BMC120 and computing equipment 140 that some argument of the application provides are redirected flow process.In operation 510, browser program 143 sends request virtual media by network and is redirected the request of webpage to BMC120.This request can be HTTP form.Upon receiving the request, send virtual media at the webserver 126 of operation 512, BMC120 and be redirected webpage to browser program 143.Therefore, browser program 143 can show virtual media and be redirected webpage, inputs or select to be about to the configuration information of the virtual media of being simulated by BMC120 in operation 514 to allow the user of computing equipment 140.The configuration information of virtual media can comprise be about to the virtual media of being simulated by BMC120 type and computing equipment 140 on be about to be modeled as the data of the content of virtual media simulated.In certain embodiments, virtual media webpage can provide all kinds inventory of available media assets inventory and virtual media, and such as CD-ROM, SD internal memory, usb driver etc., select for user.
As will the follow-up discussion, in certain embodiments, the virtual media that browser program 143 provides be redirected webpage and JavaScript can be used to indicate browser program 143 to go the file system obtained in the storer 147 of computing equipment 140.
In operation 514, user is redirected webpage configuration virtual media module 122 by the virtual media that browser program 143 provides.Such as, CD-ROM to simulate on main frame 110 and is used as the data of storer 147 by the content of the CD-ROM simulated by the configurable BMC122 of user.
At user's configuration information after allowing accessing database and file system, in operation 516, the user instruction being used for setting up virtual media module 122 is sent to the webserver 126 of BMC120 by browser program 413 in full.After receiving user instruction from the webserver 126, virtual media module 122 correspondingly simulates requested virtual media type (as CD-ROM) on main frame 110.
In operation 518, be redirected webpage instruction browser program 413 and download Java object 164 from the webserver 126 of BMC120 side.For reasons of safety, the license of user is being downloaded and can inquired before execution Java object 164 to usual browser program 143.Under user's license, browser program 143 downloads Java object 164 from the webserver 126.After receiving Java object 164, in operation 520, browser program 143 can create Java execution environment as JVM.
Meanwhile, after receiving user instruction, in operation 522, asked virtual media type (as CD-ROM) is simulated on main frame 110 by virtual media module 122.When main frame 110 detects by the virtual media of simulating and it is taken as actual physical media, in operation 524, main frame 110 can attempt the fileinfo reading virtual media.In certain embodiments, fileinfo comprises file system structure, the file name suggestion list of such as virtual media.After receiving file system structure request, in operation 526, virtual media module 122 can send HTTP response message by indication network server 126, such as, comprise the webpage of the JavaScript of the request of the selected media resource (usb driver as computing equipment 140) of request to browser program 143.When browser program 143 receives HTTP response message, in operation 528, browser program 143, such as, under JavaScript instruction, will attempt to access selected media resource 147 to obtain file system structure.More specifically, the JavaScript in webpage can indicate browser program 143 to use the Java object 164 downloaded from the webserver 126 of BMC120 side to visit selected media resource 147.Correspondingly, browser program creates or performs Java object 164 on the JVM166 of browser program 143.JavaScript can indicate browser program 143 to call above-mentioned loading mirror image function to obtain confidence from selected media resource 147.In operation 530, Java object 164 can call JNI function 162 to use the function of operating system, such as system call according to the routine defined in loading mirror image function, thus obtains file system structure from selected media resource 147.In operation 534, file system structure is returned to the Java object 164 of moving on the JVM of browser program 143 by JNI function 162.
Then, in certain embodiments, in operation 536, browser program 143 sends web socket handshake request to the webserver 126 to be based upon the communication connection under web socket agreement.After receiving web socket handshake request, in operation 538, the webserver 126 indicates the network socket word modules 124 of BMC120 side to open web socket.Similarly, in operation 540, browser program 143 indication network socket module 145 opens web socket.In operation 542, web socket can be set up connect between network socket word modules 124 and network socket word modules 145.
In certain embodiments, connect once establish web socket, in operation 544, the file system structure of storer 147 (selected media) is returned to browser program 143 by Java object 164.Then, browser program 143, such as, under the instruction of the JavaScript in redirected webpage, connects 150 by web socket and sends the file system structure of storer 147 to main frame 110.JavaScript routine can comprise code, such as socket.send (" data ").Particularly, in operation 546, browser program 143 sends file system structure to network socket word modules 145.In operation 548, network socket word modules 145 connects 150 by web socket and sends file system structure to network socket word modules 124.In operation 550, network socket word modules 124 sends the webserver 126 of file system structure to BMC120.Then, the webserver 126 sends file system structure to virtual media module 122.In operation 552, virtual media module provides file system structure to main frame 110, using initiate in operation 524 as main frame 110 and point to the result reading instruction of virtual media simulated by virtual media module 122.Therefore, main frame 110 obtain virtual media by the file system structure of simulating, and can from virtual media demand file and data.
When main frame 110 is attempted from when being read a certain file by the virtual media of simulating, in operation 556, virtual media module 122 receives this of being initiated by main frame 110 and reads instruction.Then, virtual media module 122 indication network server 126 asks specific file.Then, the webserver 126 sends request the request of file to browser program 143 by web socket connection 150.Particularly, in operation 556, the webserver 126 sends a request to network socket word modules 124.In operation 558, network socket word modules 124 sends a request to network socket word modules 145 by web socket connection.Then, in operation 560, network socket word modules 145 sends a request to browser program 143.Upon receiving a request, in operation 562, browser program 143 perform be defined as the routine processing this event in webpage, this webpage be generated by the webserver 126 and provide by browser program 143 is current.Such as, routine can according to the request received by web socket, and instruction browser program 143 accesses selected media resource 147 to obtain the file proposed in request.
Upon receiving a request, in operation 562, browser program 143, such as JavaScript instruction under, attempt access selected by media resource 147 with obtains ask file 149.More specifically, the JavaScript be redirected in webpage can indicate the media resource 147 that browser program 143 uses the Java object downloaded from the webserver 126 of BMC120 side to go selected by access.Correspondingly, browser program creates or performs Java object 164 on the JVM166 of browser program 143.JavaScript can indicate browser program 143 to call file acquisition function to obtain the file of specifying from selected media resource 147.In operation 564, Java object 164, according to the routine be defined in file acquisition function, can call JNI function to use the function of operating system, such as system call, thus obtains the file 149 of request from selected media resource 147.In operation 568, file is back to the Java object 164 run on the JVM166 of browser program 143 by JNI function 162.In operation 570, Java object 164 sends file 149 to browser program 143.
In operation 572, browser program 143 sends file 149 to network socket word modules 145.In operation 574, network socket word modules 145 connects transmission file 149 to network socket word modules 124 by web socket.In operation 576, network socket word modules 124 sends the webserver 126 of file 149 to BMC120.Then, in operation 578, file 149 is supplied to main frame 110 by the webserver 126, using as initiated in operation 554 by main frame 110 and point to by the result reading instruction of the virtual media of virtual media module simulation.Therefore, main frame 110 obtains file 149 from virtual media.
The foregoing description of the above exemplary embodiment of the application is only used to illustrate and describe, and attempt limit is all is maybe restricted to disclosed concrete form by application.In the above teachings, a lot of amendment and distortion can also be had.
The embodiment selected and describe be used to explain the principle of the application and practical application thereof with make those skilled in the art implement the application and various embodiment and by various amendment to be applicable to the purposes of various expection.When not departing from the application's spirit and scope, alternate embodiment is apparent for the application person of ordinary skill in the field.Such as, various detection instrument can be used to implement the present invention simultaneously.Therefore, the scope of the application is determined by its claim, instead of above instructions and the exemplary embodiment that wherein describes.
Claims (20)
1. perform the method that virtual media is redirected, it is characterized in that, comprising:
The web socket set up in a network between the webserver of baseboard management controller (BMC) and the browser program of computing equipment is connected, and described BMC performs the management function of main frame;
Virtual media is simulated described main frame by described BMC;
Described BMC receives sensing from described main frame and is read instruction by the virtual media of simulating, described in read order details first file;
Read instruction according to described, connected by described web socket, the request that described BMC sends request described first file reads instruction to described browser program described in responding; And
The described webserver is connected by described web socket described first file received from described browser program.
2. method according to claim 1, is characterized in that, comprising:
The network socket word modules of described BMC receives the web socket handshake request of the network socket word modules from described computing equipment; And
The described network socket word modules of described BMC sends the described network socket word modules that shake hands corresponding with described web socket handshake request reply described computing equipment and connects to set up described web socket.
3. method according to claim 1, is characterized in that, comprising:
The described webserver of described BMC generates and is redirected webpage, to indicate described browser program, file in the storer of described computing equipment or file system structure are obtained to described redirected Web wrapper; And
Described redirected webpage is sent to described browser program by the described webserver.
4. method according to claim 3, is characterized in that, to described redirected Web wrapper to indicate described browser program
From described storer, the first file is obtained with described request; And
Connected by described web socket and described first file is sent to the described webserver.
5. method according to claim 3, is characterized in that, comprising:
The described webserver sends Java object to described browser program, compile described Java object to provide the function allowing described browser program to obtain file in which memory, compile described Java object thus call Java native interface function to obtain the file in described storer, and to indicate described browser program, described Java object is downloaded to described redirected Web wrapper.
6. method according to claim 3, it is characterized in that, from the ISO image file described storer, obtain described file or file system structure to indicate described browser program to described redirected Web wrapper, described first file is arranged in described ISO image file.
7. method according to claim 3, is characterized in that, described storer is the external memory storage of described computing equipment.
8. method according to claim 3, it is characterized in that, to described redirected Web wrapper with indicate described browser program by described web socket connect send media selected in which memory file system structure or file to the described webserver.
9. method according to claim 1, is characterized in that, comprises further:
Described BMC is connected to I/O (I/O) interface of described main frame thus described main frame by the virtual media of BMC simulation described in described I/O interface accessing.
10. method according to claim 8, is characterized in that, described I/O interface is USB interface.
11. methods according to claim 1, is characterized in that, described web socket connects for secure network socket connects.
12. 1 kinds of baseboard management controllers (BMC), is characterized in that, comprising:
The webserver, configure the described webserver with
The web socket built in a network between BMC and the browser program of computing equipment connects; And
The first file received from described browser program is connected by web socket; And redirection module, configure described redirection module with
Virtual media is simulated main frame;
Receive to point to from described main frame and read instruction by the virtual media of simulating, described in read order details first file; And
Read instruction according to described, connect by described web socket the request sending request the first file and described in responding, read instruction to described browser program;
Described BMC performs the management function of main frame.
13. BMC according to claim 12, is characterized in that, configure the described webserver to generate redirected webpage, to described redirected Web wrapper with the storer file or the file system structure that indicate described browser program to obtain described computing equipment; And
Described redirected webpage is sent to described browser program,
The described webserver is used for Java object to be sent to described browser program, compile described Java object to provide the function allowing described browser program to obtain file in memory, compile described Java object thus call Java native interface function to obtain file in memory, and to indicate described browser program, described Java object is downloaded to described redirected Web wrapper, and
By described web socket connection, the described webserver is sent to the file system structure of media selected in memory or file to indicate described browser program to described redirected Web wrapper.
14. 1 kinds of nonvolatile computer-readable storage mediums, described computer-readable storage medium has computer executable instructions stored thereon, it is characterized in that, when the processor of substrate manager (BMC) performs described computer executable instructions, described processor can be caused:
The web socket set up in a network between the webserver of described BMC and the browser program of computing equipment connects, and described BMC performs the management function of main frame;
Virtual media is simulated described main frame;
Receive to point to from described main frame and read instruction by the virtual media of simulating, described in read order details first file;
Read instruction according to described, connect by described web socket the request sending request the first file and described in responding, read instruction to described browser program; And
Connected by described web socket, receive the first file from described browser program at the described webserver.
15. nonvolatile computer-readable storage mediums according to claim 14, it is characterized in that, comprise computer executable instructions stored thereon further, when the described processor of described BMC performs described computer executable instructions, described processor can be caused:
The network socket word modules of described BMC receives the web socket handshake request of the network socket word modules from described computing equipment; And
The described network socket word modules that the response message of shaking hands corresponding to described web socket handshake request is sent to described computing equipment by the described network socket word modules of described BMC connects to set up described web socket.
16. nonvolatile computer-readable storage mediums according to claim 14, it is characterized in that, comprise computer executable instructions stored thereon further, when the described processor of described BMC performs described computer executable instructions, described processor can be caused:
The described webserver generates and is redirected webpage, to indicate described browser program, file in the storer of described computing equipment or file system structure are obtained to described redirected Web wrapper; And
On the described webserver, described redirected webpage is sent to described browser program.
17. nonvolatile computer-readable storage mediums according to claim 16, is characterized in that, to described redirected Web wrapper to indicate described browser program
From described storer, the first file is obtained with described request; And
Connected by described web socket and described first file is sent to the described webserver.
18. nonvolatile computer-readable storage mediums according to claim 16, it is characterized in that, comprise computer executable instructions stored thereon further, when the described processor of described BMC performs described computer executable instructions, can cause described processor, on the described webserver, Java object is sent to described browser program, compile described Java object to provide the function allowing described browser program to obtain file in memory, compile described Java object thus call Java native interface function to obtain file in memory, and to indicate described browser program, described Java object is downloaded to described redirected Web wrapper.
19. nonvolatile computer-readable storage mediums according to claim 16, it is characterized in that, from the ISO image file described storer, file or file system structure are obtained to indicate described browser program to described redirected Web wrapper, described first file is arranged in described ISO image file
Described storer is the external memory storage of described computing equipment, and
To described redirected Web wrapper with indicate described browser program by described web socket connect send media selected in which memory file system structure or file to the described webserver.
20. nonvolatile computer-readable storage mediums according to claim 14, it is characterized in that, comprise computer executable instructions stored thereon further, when the described processor of described BMC performs described computer executable instructions, the I/O of described processor and described main frame (I/O) interface communication can be caused thus the described main frame described virtual media of simulating by BMC described in described I/O interface accessing.
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