Software Design Specification (sds) For Smart Internet Cafe

Smart Internet Café SOFTWARE DESIGN SPECIFICATION

Project Title

: Smart Internet Café

Team Code

: RHS051195

Project Guide

: Dr. M.V.Srinath

Co-Guide

: Prof.S.Kandhan

Group Coordinator : Anoop.K.S Document Title

: SDS

Version

: 1.0

Prepared for

: March 15th 2006.

Authors

: Anoop.K.S, M.A.Harikrishnan, N.S.Jeyendran, R.Pattabiraman, M.Naveen.

TABLE OF CONTENTS 1. Introduction 1.1 Purpose 1.2 Document Conventions 1.3 Scope of the Development Project 1.4 Definitions, Acronyms, and Abbreviations 1.5 References 1.5.1 Related articles 1.5.2 List of books pertaining to project.

2. System Architecture Description: 2.1 Overview of Modules 2.2 Structure and Relationships 2.3 User Interface Issues

3. Detailed Description of Components 3.1 Server Module 3.1.1 Authentication Module 3.1.2

Networking Monitoring Module

3.1.3 Account Status Module 3.2 Client Module: 3.2.1

Login Module

3.2.2

Session Module

4. Reuse and relationship to other products:

5. Design Decisions and Tradeoffs

6: Pseudo Code for Components

7: Appendices

1. Introduction 1.1 Purpose of this document The purpose for which this Software Design Specification (SDS) is being documented is to making Linux in College Internet Laboratories or Internet cafes. This specification will be useful for the clients to ensure all specifications and design requirements are conducive as mentioned by the software engineer to design the system. 1.2 Document Conventions Main Section Titles Font: Arial

Face: Bold

Size: 12

Face: Bold + Italic

Size: 12

Face: Normal

Size: 12

Sub Section Titles Font: Times New Roman Other Text Explanations Font: Times New Roman

1.3 Scope of the development project Objective : To develop a application for managing Internet café over Linux. Goal : To provide secured, reliable management for Internet Cafes and College Internet Laboratories. Description : It acts as a Firewall, Router Box, and Proxy Server.

1.4 Definitions, Acronyms, and Abbreviations The Acronyms used in these Documentations are •

SIC –Smart Internet Café

•

PAM – Pluggable Authentication Module

•

OS – Operating System

1.5 References Nil

2. System Architecture Description 2.1 Overview of Modules The modules are classified into two categories: i) Server Module ii) Client Module The Server Module falls into three categories: •

Authentication Module

•

Networking Monitoring Module

•

Account Status Module

The Client Module falls into two categories: •

Login Module

•

Session Module

2.2 Structure and Relationships The Structure and Relationships for our Project are in this Use-case Diagram.

Browsing Internet

Server Tracking

View Account Client

Server Display details

2.3 User Interface Issues The users of our Project are College Network Administrator, Students, Professors, Staffs and Non Teaching staffs.

INTERNET CONNECTION

SIC Client 1

Server SIC Client 2 (SIC SERVER RUNNING)

SIC Client 1

3. Detailed Description of Components: The components are classified into two modules, •

Server Module

•

Client Module

3.1 Server Module

3.1.1 Authentication Module: Type

A core module that defines the part of the processing control of a server.

Purpose

Authenticating the users who are all invoking the server.

Function

Getting the requests from the users and perform the function according to them.

Subordinates The various subordinates in this module are, 1. PAM module. 2. Maintaining the user information. Dependencies It correlates with Network Monitoring module and Account Status module. Interfaces

This module has two different interfaces as follows: • User interface:- This interface is used to maintain data about the users in the system. • Client Interface: - This interface is the indirect interface between the users and the machine.

Resources

The Module Uses all the Resources as allocated by Operating System.

Processing

This Module Depends on the subordinate Module. -- NOT APPLICABLE --

Data 3.1.2 Network Monitoring Module: Type

This module defines the status of the clients.

Purpose

The primary concern is to know about the Network status.

Function

Scans the Network parameters (ie. Packets sent / recived, Bandwidth).

Subordinates The various subordinates in this module are, 1. Processing the IP Chains. 2. Maintaining the Network information. Dependencies It correlates with Authentication module and Account Status module. Interfaces

This module has different interfaces as follows: User interface:- This interface is used to communicate with the system.

Resources

The Module Uses all the Resources as allocated by Network Admin.

Processing

This Module Depends on the subordinate Module.

Data

The data used in this module are the IP address and other network variables, corresponding ports for the client machines to which the packets are required to be forwarded.

3.1.3 Account Status Module: Type

This module defines the Account status of the clients.

Purpose

The main goal is to know about the Account status.

Function

Disclosing the Account statistics according to their usage of the resources.

Subordinates The various subordinates in this module are, 1. Account details. 2. Browsed Session details. Dependencies It correlates with Authentication module and Monitoring Module. Interfaces

This module has interfaces as said in the above Component: User interface:- This interface is used to communicate with the users.

Resources

The Module Uses all the Resources as allocated by OS.

Processing

This Module Process Depends on the subordinate Module.

Data

The data used in this module are the activation date, duration, Opening balance etc.

3.2 Client Module:

3.2.1 Login Module: Type

This module defines the Login status of the clients.

Purpose

The main goal is to know about the Login status.

Function

To access the Internet by authorization.

Subordinates The various subordinates in this module are, 1. Session id. 2. Browsed Session details. Dependencies It correlates with User feedback module and Session Module. Interfaces

This module has interfaces as said in the above Component: User interface:- This interface in the form of label and textboxes.

Resources

Normal Resources such as keyboard and mouse.

Processing

This Module Process Depends on the subordinate Module.

Data

The data used in this module are the Login name and password etc.

3.2.2 Session Module: Purpose

The main goal is to view the Session status that users have browsed.

Function

To know about the Status.

Subordinates The various subordinates in this module are, 1. Opening Balance. 2. Browsing Session. Dependencies This module has interfaces with User account Module and Network Monitoring Module. Processing Data

This Module Processed on the subordinate Module. -- Not Applicable--

4. Reuse and Relationships to other products

The Third Party Softwares such as Report and Graph Generation etc. are used in our project. 5. Design decisions and tradeoffs The Decisions that we have taken during design are •

User Satisfaction.

•

Server Stability.

•

Capturing Hackers.

6. Pseudocode for components A sample code for connecting User Interface with Database (MySQL) Server using JDBC. import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; // Notice, do not import com.mysql.jdbc.* // or you will have problems! public class LoadDriver { public static void main(String[] args) { try { // The newInstance() call is a work around for some // broken Java implementations Class.forName("com.mysql.jdbc.Driver").newInstance(); } catch (Exception ex) { // handle the error }

} 7. Appendices -- NOT APPLICABLE --