Usage Tracker Team #3

Laszlo Hollander
Philip Henderson
Stephen Mah
William Chau

Description of the Component

Operations Supported by the Component

1. Add an Operation to the Usage Tracker
2. Add an Occurrence to the Usage Tracker
3. Reset the tracking of operation occurrences
   • By Operation Name
   • By Program Name
4. Report on the occurrence of operations
   • By Operation Name, reporting the frequency of invocations by user and by program
   • By User, reporting the operations invoked by programs and by time periods
   • By Time, reporting the operations invoked by program
5. Output a graph of frequency of operations by program

Usage Warnings

• Initial State
  • log file does not exist OR
  • log file exists and is valid ( ie. contains valid data in the proper format )
• It is assumed that there will only be ONE INSTANCE of the usage tracker running at a time on the ENTIRE system.

Usage Restrictions

• Maximum operations trackable = 20
• Maximum occurrences trackable = N

Logical Data Storage Convention

Occurrences are stored in a record in a text file containing the following information:

( Operation, User Name, Program Name, Location, Date/Time of Occurrence )

Physical Data Storage Convention

<Operation 1>
<Operation 2>
...
<Operation 20>
<SECTION DELIMITER>
<Operation 1>
<User Name of Occurrence 1 of Operation 1>
<Program Name of Occurrence 1 of Operation 1>
<Location of User of Occurrence 1 of Operation 1>
<Date and Time of Occurrence 1 of Operation 1>
...
<Operation 1>
<User Name of Occurrence N of Operation 1>
<Program Name of Occurrence N of Operation 1>
<Location of User of Occurrence N of Operation 1>
<Date and Time of Occurrence of N Operation 1>
...
<Operation 20>
<User Name of Occurrence 1 of Operation 20>
<Program Name of Occurrence 1 of Operation 20>
<Location of User of Occurrence 1 of Operation 20>
<Date and Time of Occurrence 1 of Operation 20>
...
<Operation 20>
<User Name of Occurrence N of Operation 20>
<Program Name of Occurrence N of Operation 20>
<Location of User of Occurrence N of Operation 20>
<Date and Time of Occurrence of N Operation 20>

Sample log file

COPY
*
COPY
JACK
WORD 2.0
24.113.98.210
03.Aug.1995 05:30
COPY
JILL
WORD 2.0
24.114.100.134
03.Aug.1995 20:00

Formatting Conventions

Dates are in the format dd.MMM.yyyy hh:mm
    eg) 03.Aug.1995 05:30 where time is in 24 hour format.

String data can either be upper or lower case.

Graphing Conventions

Graphs are output to an html file..

Reporting Conventions

Reports are output to a text file.

*Special Features*

• Uses linked lists as primary data structure
  • increased scalability
  • low memory usage over static arrays and vectors
• Persistence of data ( logging to and from log file )
• Recording of reports ( to files for usage in other programs )
• Output of graph ( in html! )