METHODS AND SYSTEMS FOR FACILITATING A REMOTE DESKTOP SESSION UTILIZING A REMOTE DESKTOP CLIENT COMMON INTERFACE

• US 20120151372A1
• Filed: 12/10/2010
• Published: 06/14/2012
• Est. Priority Date: 12/10/2010
• Status: Active Grant

• Current Assignee: Dell Marketing Corporation (Dell Technologies Inc.)
• Original Assignee: Wyse Technology Incorporated (Dell Technologies Inc.)
• Inventors: Schwebke, Curtis, KOMINAC, Stevan, Stanley, Jeremy Michael
• Granted Patent: US 9,245,047 B2
• Time in Patent Office: Days
• US Class Current: 715/740
• CPC Class Codes: G06F 16/9577 Optimising the visualization of content, e.g. distillation of HTML documents
• CPC Class Codes: G06F 9/452 Remote windowing, e.g. X-Window System, desktop virtualisation protocols for virtual reality H04L67/131
• CPC Class Codes: H04L 67/01 Protocols
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/131 Protocols for games, networked simulations or virtual reality
• CPC Class Codes: H04L 67/141 Setup of application sessions admission control or resource allocation in data switching networks H04L47/70
• CPC Class Codes: H04L 67/565 Conversion or adaptation of application format or content adding application control or application functional data H04L67/561

Abstract

Examples of methods, systems, apparatus, and machine-readable storage media are provided to facilitate access and control of a remote desktop of a remote machine by a web browser at a client device through a transcoding server without installing proprietary plug-ins or protocols on the client device. A transcoding server may translate user input requests from a web browser into input calls compatible with a remote desktop display protocol. The transcoding server may receive remote desktop drawing commands from the remote machine and translate the remote desktop drawing commands into web browser drawing updates compatible with the web browser. A transcoding server may communicate with a web browser via HTTP and communicate with a remote machine via a remote desktop display protocol. A web browser may be an HTML5 browser. A transcoding server may send drawing coordinates to the web browser via an HTTP header and may use long polling.

Claims

1. A method for facilitating a remote desktop session between a web browser at a client device and a remote desktop server at a remote machine through a transcoding server, utilizing an adapter at the transcoding server, the method comprising:

receiving, at the adapter, an input request from the web browser utilizing a request-response protocol, wherein the request-response protocol is a pull protocol;

translating, at the adapter, the input request into an input command compatible with a remote desktop display protocol to be utilized by a remote desktop client at the transcoding server for facilitating communication with the remote desktop server at the remote machine, wherein the remote desktop display protocol is a push protocol;

providing the input command to a remote desktop client at the transcoding server, to facilitate providing the input command to the remote desktop server utilizing the remote desktop display protocol;

receiving, at the adapter, a remote desktop drawing command from the remote desktop server in response to the input command, wherein the remote desktop drawing command is based on an image of a remote desktop of the remote machine; and

translating, at the adapter, the remote desktop drawing command into a graphics drawing command compatible with the transcoding server to allow the transcoding server to facilitate providing a web browser drawing update to the web browser, wherein the web browser drawing update is compatible with the web browser.

2. The method of claim 1, wherein the request-response protocol comprises hypertext transfer protocol (HTTP), wherein the graphics drawing command is a Java graphics drawing command, wherein the transcoding server is a Java transcoding server, wherein the web browser is HTML5 compatible.

3. The method of claim 1, wherein the receiving the input request comprises receiving the input request from the web browser via an HTTP handler of a web application container at the transcoding server,

wherein the receiving the remote desktop drawing command comprises receiving the remote desktop drawing command via the remote desktop client using the remote desktop display protocol.

4. The method of claim 1, wherein the remote desktop drawing command comprises remote desktop drawing command parameters and bitmap data received from the remote desktop server,

wherein the translating the remote desktop drawing command comprises one or more of:

calculating new drawing command parameters based on the remote desktop drawing command parameters;

adjusting the remote desktop drawing command parameters; and

making adjustments to the bitmap data.

5. The method of claim 1, further comprising:

generating an image based on the graphics drawing command; and

generating coordinates for the image based on the graphics drawing command,

wherein the image represents a portion of an entire image of the remote desktop.

6. The method of claim 1, further comprising:

executing the graphics drawing command to generate and draw an image into a drawing commands queue at the transcoding server that is accessible by a web application container at the transcoding server for communicating with the web browser;

generating coordinates for the image based on the graphics drawing command;

storing the coordinates in the drawing commands queue; and

after generating the coordinates, transmitting a notification to the web application container that a drawing command is ready to be served to the web browser,

wherein the graphics drawing command represents a portion of an entire image of the remote desktop.

7. The method of claim 1, further comprising:

receiving, via an HTTP handler of the transcoding server, a connection request from the web browser; and

facilitating establishing, controlling or terminating the remote desktop session between the remote desktop client and the remote desktop server in response to the connection request, wherein the facilitating of the establishing, controlling or terminating comprises;

generating a session control command based on the connection request, wherein the session control command is compatible with the remote desktop display protocol; and

facilitating transmitting the session control command to the remote desktop server via the remote desktop client using the remote desktop display protocol.

8. The method of claim 7, wherein the session control command comprises at least one of:

a command for starting the remote desktop session, a command for stopping the remote desktop session, a credential, a setting, a preference, and a command for passing at least one of a credential, a setting, and a preference.

9. The method of claim 1, further comprising:

extracting coordinates from the graphics drawing command; and

updating at least a portion of an off-screen bitmap based on the graphics drawing command, wherein the at least a portion of the off-screen bitmap is associated with the coordinates, wherein the off-screen bitmap represents an entire image of the remote desktop.

10. A machine-readable storage medium encoded with instructions executable by a processing system to perform a method for facilitating a remote desktop session between a web browser at a client device and a remote desktop server at a remote machine through a transcoding server, utilizing an adapter at the transcoding server, the instructions comprising code for:

receiving, at the adapter, an input request from the web browser utilizing a request-response protocol, wherein the request-response protocol is a pull protocol;

translating, at the adapter, the input request into an input command compatible with a remote desktop display protocol to be utilized by a remote desktop client at the transcoding server for facilitating communication with the remote desktop server at the remote machine, wherein the remote desktop display protocol is a push protocol;

providing the input command to a remote desktop client at the transcoding server, to facilitate providing the input command to the remote desktop server utilizing the remote desktop display protocol;

receiving, at the adapter, a remote desktop drawing command from the remote desktop server in response to the input command, wherein the remote desktop drawing command is based on an image of a remote desktop of the remote machine; and

translating, at the adapter, the remote desktop drawing command into a graphics drawing command compatible with the transcoding server to allow the transcoding server to facilitate providing a web browser drawing update to the web browser, wherein the web browser drawing update is compatible with the web browser.

11. The machine-readable storage medium of claim 10, wherein the request-response protocol comprises hypertext transfer protocol (HTTP), wherein the graphics drawing command is a Java graphics drawing command, wherein the transcoding server is a Java transcoding server, wherein the web browser is HTML5 compatible.

12. The machine-readable storage medium of claim 10, wherein the receiving the input request comprises receiving the input request from the web browser via an HTTP handler of a web application container at the transcoding server,

wherein the receiving the remote desktop drawing command comprises receiving the remote desktop drawing command via the remote desktop client using the remote desktop display protocol.

13. The machine-readable storage medium of claim 10, wherein the remote desktop drawing command comprises remote desktop drawing command parameters and bitmap data received from the remote desktop server,

wherein the translating the remote desktop drawing command comprises one or more of:

calculating new drawing command parameters based on the remote desktop drawing command parameters;

adjusting the remote desktop drawing command parameters; and

making adjustments to the bitmap data.

14. The machine-readable storage medium of claim 10, wherein the instructions further comprise code for:

generating an image based on the graphics drawing command; and

generating coordinates for the image based on the graphics drawing command,

wherein the image represents a portion of an entire image of the remote desktop.

15. The machine-readable storage medium of claim 10, wherein the instructions further comprise code for:

executing the graphics drawing command to generate and draw an image into a drawing commands queue at the transcoding server that is accessible by a web application container at the transcoding server for communicating with the web browser;

generating coordinates for the image based on the graphics drawing command;

storing the coordinates in the drawing commands queue; and

after generating the coordinates, transmitting a notification to the web application container that a drawing command is ready to be served to the web browser,

wherein the graphics drawing command represents a portion of an entire image of the remote desktop.

16. The machine-readable storage medium of claim 10, wherein the instructions further comprise code for:

receiving, via an HTTP handler of the transcoding server, a connection request from the web browser to connect to the remote machine; and

facilitating establishing, controlling or terminating the remote desktop session between the remote desktop client and the remote desktop server in response to the connection request, wherein the facilitating of the establishing, controlling or terminating comprises;

generating a session control command based on the connection request, wherein the session control command is compatible with the remote desktop display protocol; and

facilitating transmitting the session control command to the remote desktop server via the remote desktop client using the remote desktop display protocol.

17. The machine-readable storage medium of claim 16, wherein the session control command comprises at least one of:

a command for starting the remote desktop session, a command for stopping the remote desktop session, a credential, a setting, a preference, and a command for passing at least one of a credential, a setting, and a preference.

18. The machine-readable storage medium of claim 10, wherein the instructions further comprise code for:

extracting coordinates from the graphics drawing command; and

updating at least a portion of an off-screen bitmap based on the graphics drawing command, wherein the at least a portion of the off-screen bitmap is associated with the coordinates, wherein the off-screen bitmap represents an entire image of the remote desktop.

19. A computing machine comprising the machine-readable storage medium of claim 10, wherein the computing machine is the transcoding server.

20. An apparatus for facilitating a remote desktop session between a web browser at a client device and a remote desktop server at a remote machine through a transcoding server, utilizing an adapter at the transcoding server, the apparatus comprising:

means for receiving an input request from the web browser utilizing a request-response protocol, wherein the request-response protocol is a pull protocol;

means for translating the input request into an input command compatible with a remote desktop display protocol to be utilized by a remote desktop client at the transcoding server for facilitating communication with the remote desktop server at the remote machine, wherein the remote desktop display protocol is a push protocol;

means for providing the input command to a remote desktop client at the transcoding server, to facilitate providing the input command to the remote desktop server utilizing the remote desktop display protocol;

means for receiving a remote desktop drawing command from the remote desktop server in response to the input command, wherein the remote desktop drawing command is based on an image of a remote desktop of the remote machine; and

means for translating the remote desktop drawing command into a graphics drawing command compatible with the transcoding server to allow the transcoding server to facilitate providing a web browser drawing update to the web browser, wherein the web browser drawing update is compatible with the web browser.

21. The apparatus of claim 20, wherein the request-response protocol comprises hypertext transfer protocol (HTTP), wherein the graphics drawing command is a Java graphics drawing command, wherein the transcoding server is a Java transcoding server, wherein the web browser is HTML5 compatible.

22. The apparatus of claim 20, wherein the means for receiving the input request comprises means for receiving the input request from the web browser via an HTTP handler of a web application container at the transcoding server,

wherein the means for receiving the remote desktop drawing command comprises means for receiving the remote desktop drawing command via the remote desktop client using the remote desktop display protocol.

23. The apparatus of claim 20, wherein the remote desktop drawing command comprises remote desktop drawing command parameters and bitmap data received from the remote desktop server,

wherein the means for translating the remote desktop drawing command comprises one or more of:

means for calculating new drawing command parameters based on the remote desktop drawing command parameters;

means for adjusting the remote desktop drawing command parameters; and

means for making adjustments to the bitmap data.

24. The apparatus of claim 20, further comprising:

means for generating an image based on the graphics drawing command; and

means for generating coordinates for the image based on the graphics drawing command,

wherein the image represents a portion of an entire image of the remote desktop.

25. The apparatus of claim 20, further comprising:

means for executing the graphics drawing command to generate and draw an image into a drawing commands queue at the transcoding server that is accessible by a web application container at the transcoding server for communicating with the web browser;

means for generating coordinates for the image based on the graphics drawing command;

means for storing the coordinates in the drawing commands queue; and

means for transmitting, after generating the coordinates, a notification to the web application container that a drawing command is ready to be served to the web browser,

wherein the graphics drawing command represents a portion of an entire image of the remote desktop.

26. The apparatus of claim 20, further comprising:

means for receiving, via an HTTP handler of the transcoding server, a connection request from the web browser to connect to the remote machine; and

means for facilitating establishing, controlling or terminating the remote desktop session between the remote desktop client and the remote desktop server in response to the connection request, wherein the means for facilitating of the establishing, controlling or terminating comprises;

means for generating a session control command based on the connection request, wherein the session control command is compatible with the remote desktop display protocol; and

means for facilitating transmitting the session control command to the remote desktop server via the remote desktop client using the remote desktop display protocol.

27. The apparatus of claim 26, wherein the session control command comprises at least one of:

a command for starting the remote desktop session, a command for stopping the remote desktop session, a credential, a setting, a preference, and a command for passing at least one of a credential, a setting, and a preference.

28. The apparatus of claim 20, further comprising:

means for extracting coordinates from the graphics drawing command; and

means for updating at least a portion of an off-screen bitmap based on the graphics drawing command, wherein the at least a portion of the off-screen bitmap is associated with the coordinates, wherein the off-screen bitmap represents an entire image of the remote desktop.

29. The apparatus of claim 20, wherein the apparatus comprises the transcoding server.

30. The apparatus of claim 20, wherein the apparatus comprises a processing system and a memory.