CORBA vs' DCOM Battleship

1
CORBA vs. DCOM Battleship

• Tony Barrile
• Mike Davis
• Keith Donald
• Scott Grey
• Risa Osawa

2
DCOM

• Objects
• Ship
• Grid
• Player
• Game
• GameServer
• Client

3
DCOM Diagram
Ship (10)
Grid (2)
Game
Ship (5)
Ship (5)
Player
Player
GameServer
Grid (2)
Grid (2)
4
CORBA Implementation

• Game Server
• Creates a session
• All Player, Grid, Game, and Ship Objects
  available
• Client
• Joins session
• Creates all objects for player
• Waits for another to join the game

5
CORBA Diagram
Ship
Session
Game
Grid
Player
Client
IDL
6
Visual Basic Version

• Replaces VC text client of DCOM version
• Easy to connect to COM objects
• Dim sServerName As String
• sServerName Text2.Text
• If sServerName "" Then
• Set g_objServer CreateObject("BSServer.GameServ
  er")
• Else
• Set g_objServer CreateObject("BSServer.GameServ
  er", sServerName)
• End If

7
Web Versions

• DHTML version created in VB
• Uses DCOM
• Java version
• Utilizes sockets

8
Website

• http//cseserver.cs.ua.edu/492Team2/index.htm