Server-side asynchronous form management

• US 6,070,184 A
• Filed: 08/28/1997
• Issued: 05/30/2000
• Est. Priority Date: 08/28/1997
• Status: Expired due to Term

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Chang, Hung-yang, Shapiro, Marshall, Floyd, Richard Allen, Blount, Marion, Lindquist, David Bruce, Cohen, Norman H., Mastrianni, Steve, Tait, Carl D., Housel, Barron Cornelius III
• Primary Examiner(s): Maung, Zarni
• Assistant Examiner(s): LE, QUOC KHANH
• Application Number:
  US08/919,913
• Time in Patent Office: 1,006 Days
• Field of Search: 395/200.3, 395/200.54, 395/200.32, 709/202, 709/203, 709/217, 709/200, 707/104
• US Class Current: 709/200
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

Methods, systems and computer program products which provide for communicating with a web browser executing on a remote/mobile processing system which is temporarily and intermittently connected to a second computer by storing in a persistent request queue at the second computer, a request from the web browser to a server application accessible to the second computer. Also disclosed are methods, systems and computer program products which allow for operation and management of asynchronous operations of a web browser where the operations are carried out by a server-side intercept module.

Claims

1. A method for communicating with a web browser utilizing a request-response communications mechanism and executing on a first data processing system which is temporarily and intermittently connected to a second data processing system, said method comprising the steps of:

determining if the request received from the web browser to the server application is a delayed processing request;

storing in a persistent request queue at the second data processing system, a request from the web browser to a server application accessible to the second data processing system if the request received from the web browser is a delayed processing request;

providing an interim response to the web browser in response to the request from the web browser irrespective of whether a response to the request has been received from the server application so as to provide a response to the web browser request if the request received from the web browser is a delayed processing request;

providing the request to the server application;

receiving the response from the server application;

providing the received response to the web browser executing on the first data processing system in response to the request if the request is not a delayed processing request and in response to a subsequent request if the request is a delayed processing request.

2. A method according to claim 1, wherein said step of providing an interim response is followed by the step of disconnecting the first data processing system from the second data processing system and said step of providing the received response to the web browser is preceded by the step of reconnecting the first data processing system to the second data processing system.

3. A method according to claim 2, further comprising the steps of:

providing a list of stored requests to the web browser for presentation to a user;

receiving from the web browser a request for a selected one of the stored requests in the list of stored requests; and

providing to the web browser, the associated response to a selected one of the list of stored requests based upon user input.

4. A method according to claim 2, further comprising the steps of:

notifying the user of the availability of the received response subsequent to the response being received by the second data processing system; and

providing the response to the web browser if the user requests the response.

5. A method according to claim 2, wherein said step of storing in a persistent request queue is preceded by the step of establishing a persistent request queue associated with a user identifier and wherein said step of reconnecting the first data processing system comprises the steps of:

connecting the first data processing system to the second data processing system; and

receiving from the first data processing system a user identifier; and

wherein said step of providing the received response comprises the step of providing the received response to the request from the persistent request queue associated with the received user identifier.

6. A method according to claim 5, further comprising the steps of:

parsing the received response to determine if at least one request is embedded in the received response;

providing the at least one embedded request in the received response to a server specified by the embedded request;

receiving a response to the embedded request;

storing the received response to the embedded request at the second data processing system; and

associating the stored received response to the embedded request with the request stored in the persistent request queue; and

wherein said step of providing the received response to the web browser comprises providing the stored received response and the stored response to the embedded request to the web browser.

7. A method according to claim 5 further comprising the steps of:

storing the response to the request at the second data processing system;

and

associating the stored response with the stored request in the persistent request queue associated with the user identifier.

8. A method according to claim 7, wherein said step of establishing a persistent request queue comprises the step of establishing a plurality of persistent request queues wherein each of the persistent request queues is associated with a user identifier;

and

wherein said step of storing in a persistent request queue comprises the step of storing requests from a plurality of web browsers in the plurality of persistent request queues such that requests from a user of a web browser are stored in the one of said persistent request queues associated with the user identifier of the user; and

wherein said step of providing the stored request to the server application comprises the step of providing the plurality of requests to associated web servers;

wherein said step of receiving a response from the server application comprises the step of receiving a plurality of responses from the associated web servers; and

wherein said step of providing the received response to the web browser executing on the first data processing system comprises the step of providing the received plurality of responses to the plurality of web browsers such that a response to a request is provided to the web browser from which the request was received.

9. A method according to claim 1, further comprising the steps of:

associating a plurality of responses from servers with a single entry in the persistent request queue; and

providing the plurality of responses associated with the single entry in the persistent request queue to the first data processing system.

10. A method for communicating with a web browser utilizing a request-response communications mechanism and executing on a first data processing system which is temporarily and intermittently connected to a second data processing system, said method comprising the steps of:

storing in a persistent request queue at the second data processing system, a request from the web browser to a server application accessible to the second data processing system;

providing an interim response to the web browser in response to the request from the web browser irrespective of whether a response to the request has been received from the server application so as to provide a response to the web browser request;

associating a client identification with the stored request;

providing the stored request to the server application;

receiving the response from the server application;

storing the received response from the server in a server-side cache resident on the second data processing system;

associating the stored received response with the stored request;

notifying a user of the availability of the stored received response subsequent to the response being received by the second data processing system; and

providing the stored received response to a web browser associated with the client identification associated with the stored request if the user requests the stored received response.

11. A method according to claim 10, wherein said step of providing the stored received response to a web browser associated with the client identification associated with the stored request comprises the step of providing the stored received response to a web browser associated with the client identification associated with the stored request during a subsequent connection.

12. A method according to claim 10, further comprising the steps of:

receiving a modification of the request prior to said step of providing the stored request to the server application; and

revising the request stored in the request queue to replace the stored request with the modified request.

13. A method according to claim 10, further comprising the step of determining if a request received from the browser is a delayed processing request and wherein said step of storing in a persistent request queue is selectively carried out if said determining step determines that the received request is a delayed processing request.

14. A method according to claim 10, further comprising the steps of:

providing a list of stored requests to the web browser for presentation to a user;

receiving from the web browser a request for a selected one of the stored requests in the list of stored requests; and

wherein said step of providing the stored received response to a web browser associated with the client identification associated with the stored request comprises the step of providing to the web browser, the associated stored response to the selected one of the list of stored requests based upon user input.

15. A method according to claim 10, further comprising the steps of:

parsing the received response to determine if at least one request is embedded in the received response;

providing the at least one embedded request in the received response to a server specified by the embedded request;

receiving a response to the embedded request;

storing the received response to the embedded request in the cache resident on the second data processing system; and

associating the stored received response to the embedded request with the request stored in the persistent request queue; and

wherein said step of providing the received response to the web browser comprises providing the stored received response and the stored response to the embedded request to the web browser.

16. A method according to claim 10, wherein said step of storing in a persistent request queue comprises the step of storing requests from a plurality of web browsers in a plurality of persistent request queues such that requests from a user of a web browser are stored in the one of said persistent request queues associated with the client identification associated with the stored requests;

wherein said step of providing the stored request to the server application comprises the step of providing the plurality of stored requests to associated web servers;

wherein said step of receiving a response from the server application comprises the step of receiving a plurality of responses from the associated web servers; and

wherein said step of providing the received response to the web browser executing on the first data processing system comprises the step of providing the received plurality of responses to the plurality of web browsers such that a response to a request is provided to the web browser corresponding to the client identification associated with the stored request.

17. A method according to claim 10, further comprising the steps of:

associating a plurality of responses from servers with a single entry in the persistent request queue; and

providing the plurality of responses associated with the single entry in the persistent request queue to the first data processing system.

18. A system for communicating with a web browser utilizing a request-response communications mechanism and executing on a first data processing system which is temporarily and intermittently connected to a second data processing system, comprising:

means for determining if a request received from the browser is a delayed processing request;

means for storing in a persistent request queue at the second data processing system, a request from the web browser to a server application accessible to the second data processing system if the request received from the web browser is a delayed processing request;

means for providing an interim response to the web browser in response to the request from the web browser irrespective of whether a response to the request has been received from the server application so as to provide a response to the web browser request if the request received from the web browser is a delayed processing request;

means for providing the request to the server application;

means for receiving the response from the server application;

means for providing the received response to the web browser executing on the first data processing system in response to the request from the web browser if the request is not a delayed processing request and in response to a subsequent request from the web browser if the request is a delayed processing request.

19. A system according to claim 18, further comprising:

means for disconnecting the first data processing system from the second data processing system; and

means for reconnecting the first data processing system to the second data processing system.

20. A system according to claim 19, further comprising:

means for providing a list of stored requests to the web browser for presentation to a user;

means for receiving from the web browser a request for a selected one of the stored requests in the list of stored requests; and

means for providing to the web browser, the associated response to a selected one of the list of stored requests based upon user input.

21. A system according to claim 19, further comprising:

means for notifying the user of the availability of the received response subsequent to the response being received by the second data processing system; and

means for providing the response to the web browser if the user requests the response.

22. A system according to claim 19, further comprising:

means for establishing a persistent request queue associated with a user identifier; and

wherein said means for reconnecting the first data processing system comprises;

means for connecting the first data processing system to the second data processing system; and

means for receiving from the first data processing system a user identifier; and

wherein said means for providing the received response comprises means for providing the received response to the request from the persistent request queue associated with the received user identifier.

23. A system according to claim 22, further comprising:

means for parsing the received response to determine if at least one request is embedded in the received response;

means for providing the at least one embedded request in the received response to a server specified by the embedded request;

means for receiving a response to the embedded request;

means for storing the received response to the embedded request at the second data processing system; and

means for associating the stored received response to the embedded request with the request stored in the persistent request queue; and

wherein said means for providing the received response to the web browser comprises means for providing the stored received response and the stored response to the embedded request to the web browser.

24. A system according to claim 22 further comprising:

means for storing the response to the request at the second data processing system; and

means for associating the stored response with the stored request in the persistent request queue associated with the user identifier.

25. A system according to claim 24, wherein said means for establishing a persistent request queue comprises means for establishing a plurality of persistent request queues wherein each of the persistent request queues is associated with a user identifier;

and

wherein said means for storing in a persistent request queue comprises means for storing requests from a plurality of web browsers in the plurality of persistent request queues such that requests from a user of a web browser are stored in the one of said persistent request queues associated with the user identifier of the user; and

wherein said means for providing the stored request to the server application comprises means for providing the plurality of requests to associated web servers;

wherein said means for receiving a response from the server application comprises means for receiving a plurality of responses from the associated web servers; and

wherein said means for providing the received response to the web browser executing on the first data processing system comprises means for providing the received plurality of responses to the plurality of web browsers such that a response to a request is provided to the web browser from which the request was received.

26. A system according to claim 18, further comprising:

means for associating a plurality of responses from servers with a single entry in the persistent request queue; and

means for providing the plurality of responses associated with the single entry in the persistent request queue to the first data processing system.

27. A computer program product for communicating with a web browser utilizing a request-response communications mechanism and executing on a first data processing system which is temporarily and intermittently connected to a second data processing system, the computer program product comprising:

computer-readable program code means for determining if a request received from the web browser is a delayed processing request;

computer-readable program code means for storing in a persistent request queue at the second data processing system, a request from the web browser to a server application accessible to the second data processing system if the request received from the web browser is a delayed processing request;

computer-readable program code means for providing an interim response to the web browser in response to the request from the web browser irrespective of whether a response to the request has been received from the server application so as to provide a response to the web browser request if the request received from the web browser is a delayed processing request;

computer-readable program code means for providing the request to the server application;

computer-readable program code means for receiving the response from the server application;

computer-readable program code means for providing the received response to the web browser executing on the first data processing system in response to the request from the web browser if the request is not a delayed processing request and in response to a subsequent request from the web browser if the request is a delayed processing request.

28. A computer program product according to claim 27, further comprising:

computer-readable program code means for disconnecting the first data processing system from the second data processing system; and

computer-readable program code means for reconnecting the first data processing system to the second data processing system.

29. A computer program product according to claim 28, further comprising:

computer-readable program code means for providing a list of stored requests to the web browser for presentation to a user;

computer-readable program code means for receiving from the web browser a request for a selected one of the stored requests in the list of stored requests; and

computer-readable program code means for providing to the web browser, the associated response to a selected one of the list of stored requests based upon user input.

30. A computer program product according to claim 28, further comprising:

computer-readable program code means for notifying the user of the availability of the received response subsequent to the response being received by the second data processing system; and

computer-readable program code means for providing the response to the web browser if the user requests the response.

31. A computer program product according to claim 28, further comprising:

computer-readable program code means for establishing a persistent request queue associated with a user identifier; and

wherein said computer-readable program code means for reconnecting the first data processing system comprises;

computer-readable program code means for connecting the first data processing system to the second computer; and

computer-readable program code means for receiving from the first data processing system a user identifier; and

wherein said computer-readable program code means for providing the received response comprises computer-readable program code means for providing the received response to the request from the persistent request queue associated with the received user identifier.

32. A computer program product according to claim 31 further comprising:

computer-readable program code means for storing the response to the request at the second data processing system; and

computer-readable program code means for associating the stored response with the stored request in the persistent request queue associated with the user identifier.

33. A computer program product according to claim 32, wherein said computer-readable program code means for establishing a persistent request queue comprises computer-readable program code means for establishing a plurality of persistent request queues wherein each of the persistent request queues is associated with a user identifier;

and

wherein said computer-readable program code means for storing in a persistent request queue comprises computer-readable program code means for storing requests from a plurality of web browsers in the plurality of persistent request queues such that requests from a user of a web browser are stored in the one of said persistent request queues associated with the user identifier of the user; and

wherein said computer-readable program code means for providing the stored request to the server application comprises computer-readable program code means for providing the plurality of requests to associated web servers;

wherein said computer-readable program code means for receiving a response from the server application comprises computer-readable program code means for receiving a plurality of responses from the associated web servers; and

wherein said computer-readable program code means for providing the received response to the web browser executing on the first data processing system comprises computer-readable program code means for providing the received plurality of responses to the plurality of web browsers such that a response to a request is provided to the web browser from which the request was received.

34. A computer program product according to claim 31, further comprising:

computer-readable program code means for parsing the received response to determine if at least one request is embedded in the received response;

computer-readable program code means for providing the at least one embedded request in the received response to a server specified by the embedded request;

computer-readable program code means for receiving a response to the embedded request;

computer-readable program code means for storing the received response to the embedded request at the second data processing system; and

computer-readable program code means for associating the stored received response to the embedded request with the request stored in the persistent request queue; and

wherein said computer-readable program code means for providing the received response to the web browser comprises computer-readable program code means for providing the stored received response and the stored response to the embedded request to the web browser.

35. A computer program product according to claim 27, further comprising:

computer-readable program code means for associating a plurality of responses from servers with a single entry in the persistent request queue; and

computer-readable program code means for providing the plurality of responses associated with the single entry in the persistent request queue to the first data processing system.