SERVER APPARATUS, METHOD FOR CONTROLLING THE SERVER APPARATUS, RELATED CONTROL PROGRAM, AND STORAGE MEDIUM STORING THE PROGRAM

• US 20070143473A1
• Filed: 08/24/2006
• Published: 06/21/2007
• Est. Priority Date: 08/31/2005
• Status: Active Grant

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Wada, Katsuhiro
• Granted Patent: US 7,849,471 B2
• Time in Patent Office: Days
• US Class Current: 709/224
• CPC Class Codes: G06F 13/24 using interrupt G06F13/32 takes precedence

Abstract

An event notification method for a server apparatus configured to notify a client apparatus of generated events, includes setting an event notification rate indicating the interval of notification notifying generated events, and determining an event to be notified to the client apparatus among events generated within a unit time corresponding to the event notification rate being set, with reference to priority information corresponding to the generated events.

Claims

1. A server apparatus comprising:

an event registration message reception unit configured to receive, from a client apparatus connected via a network, an event registration message relating to registration of an event to be notified;

an event notification rate determination unit configured to determine an event notification rate to be registered based on an event notification rate relating to the interval of events to be notified, included in the event registration message;

an event notification rate storage unit configured to store, into a storage apparatus, the event notification rate determined by the event notification rate determination unit and priority information relating to priority of an event to be notified, included in the event registration message, based on destination information of the client apparatus to which the event is notified; and

an event notification unit configured to notify the client apparatus of information relating to an event having high priority among events generated within a time corresponding to the event notification rate, based on the event notification rate stored in the storage apparatus, the priority information, and the destination information of the client apparatus.

3. The server apparatus according to claim 1, wherein the priority information includes event class information discriminating the class of an event to be notified and notification priority information for each of the event class information.

4. The server apparatus according to claim 1, wherein the priority information includes event class information discriminating the class of an event to be notified, event status information representing a state of the event, and notification priority information for each of the event class information and the event status information.

5. The server apparatus according to claim 1, further comprising a first upper limit storage unit configured to store an upper limit of the event notification rate for each client apparatus, wherein the event notification rate determination unit determines the event notification rate to be registered, based on the event notification rate included in the event registration message and the upper limit of the event notification rate.

6. The server apparatus according to claim 1, further comprising,

an authentication unit configured to authenticate a user of the client apparatus;

and

a second upper limit storage unit configured to store an upper limit of the event notification rate for each user of the client apparatus, wherein

the event notification rate determination unit determines the event notification rate to be registered, based on the event notification rate included in the event registration message and the upper limit of the event notification rate.

2. A server apparatus configured to notify a client apparatus of generated events, comprising:

a setting unit configured to set an event notification rate indicating the interval of notification notifying generated events; and

a determination unit configured to determine an event to be notified to the client apparatus among events generated within a unit time corresponding to the event notification rate being set by the setting unit, with reference to priority information corresponding to the generated events.

7. An event notification method for a server apparatus connected via a network to a client apparatus, the method comprising:

receiving, from a client apparatus, an event registration message relating to registration of an event to be notified;

determining an event notification rate to be registered based on an event notification rate relating to the interval of events to be notified, included in the event registration message;

storing, into a storage apparatus, the event notification rate determined in the event notification rate determination step and priority information relating to priority of an event to be notified, included in the event registration message, based on destination information of the client apparatus to which the event is notified; and

notifying the client apparatus of information relating to an event having high priority among events generated within a time corresponding to the event notification rate, based on the event notification rate stored in the storage apparatus, the priority information, and the destination information of the client apparatus.

9. The event notification method according to claim 7, wherein the priority information includes event class information discriminating the class of an event to be notified and notification priority information for each of the event class information.

10. The event notification method according to claim 7, wherein the priority information includes event class information discriminating the class of an event to be notified, event status information representing a state of the event, and notification priority information for each of the event class information and the event status information.

11. The event notification method according to claim 7, wherein the event notification rate determination step includes determining the event notification rate to be registered based on the event notification rate included in the event registration message and an upper limit of the event notification rate being set for each client apparatus.

12. The event notification method according to claim 7, further comprising authenticating a user of the client apparatus, wherein the event notification rate determination step includes determining the event notification rate to be registered based on the event notification rate included in the event registration message and an upper limit of the event notification rate being set for each user of the client apparatus.

8. An event notification method for a server apparatus configured to notify a client apparatus of generated events, the method comprising:

setting an event notification rate indicating the interval of notification notifying generated events; and

determining an event to be notified to the client apparatus among events generated within a unit time corresponding to the event notification rate being set in the setting step, with reference to priority information corresponding to the generated events.

13. An event notification system including a server apparatus and a client apparatus connected via a network, the system comprising:

the client apparatus including,

an event registration message transmission unit configured to transmit, to the server apparatus, an event registration message relating to registration of an event to be notified; and

the server apparatus including,

an event registration message reception unit configured to receive, from the client apparatus, the event registration message;

an event notification rate determination unit configured to determine an event notification rate to be registered based on an event notification rate relating to the interval of events to be notified, included in the event registration message;

an event notification rate storage unit configured to store, into a storage apparatus, the event notification rate determined by the event notification rate determination unit and priority information relating to priority of an event to be notified, included in the event registration message, based on destination information of the client apparatus to which the event is notified; and

an event notification unit configured to notify the client apparatus of information relating to an event having high priority among events generated within a time corresponding to the event notification rate, based on the event notification rate stored in the storage apparatus, the priority information, and the destination information of the client apparatus.

14. A computer readable medium containing computer-executable instructions to be executed in a server apparatus configured to notify a client apparatus of generated events, the computer readable medium comprising:

computer-executable instructions for receiving, from a client apparatus connected via a network, an event registration message relating to registration of an event to be notified;

computer-executable instructions for determining an event notification rate to be registered based on an event notification rate relating to the interval of events to be notified, included in the event registration message;

computer-executable instructions for storing, into a storage apparatus, the event notification rate determined by the event notification rate determination unit and priority information relating to priority of an event to be notified, included in the event registration message, based on destination information of the client apparatus to which the event is notified; and

computer-executable instructions for notifying the client apparatus of information relating to an event having high priority among events generated within a time corresponding to the event notification rate, based on the event notification rate stored in the storage apparatus, the priority information, and the destination information of the client apparatus.

15. A computer readable medium containing computer-executable instructions to be executed in an apparatus configured to notify a client apparatus of generated events, the computer readable medium comprising:

computer-executable instructions for receiving, from a client apparatus connected via a network, an event registration message relating to registration of an event to be notified;

computer-executable instructions for determining an event notification rate to be registered based on an event notification rate relating to the interval of events to be notified, included in the event registration message;

computer-executable instructions for storing, into a storage apparatus, the event notification rate determined by the event notification rate determination unit and priority information relating to priority of an event to be notified, included in the event registration message, based on destination information of the client apparatus to which the event is notified; and

computer-executable instructions for notifying the client apparatus of information relating to an event having high priority among events generated within a time corresponding to the event notification rate, based on the event notification rate stored in the storage apparatus, the priority information, and the destination information of the client apparatus.

16. A computer readable medium containing computer-executable instructions to be executed in an apparatus configured to notify a client apparatus of generated events, the computer readable medium comprising:

computer-executable instructions for setting an event notification rate indicating the interval of notification notifying generated events, and

computer-executable instructions for determining an event to be notified to the client apparatus among events generated within a unit time corresponding to the event notification rate being set by the setting unit, with reference to priority information corresponding to the generated events.