1. Web Service Installation and Configuration
MIS 3406
Department of MIS
Fox School of Business
Temple University

2. GuessANumber
Port 80
Port 8080

3. Poke a few holes in the firewalls
Serving up GuessANumber.html
Open up port 80 (if you didn’t when you created –IIS) on the Azure firewall
Check to make sure port 80 is open on the Windows firewall
Talking to GuessANumber.js
Open up port 8080 on the Azure firewall
Open up port 8080 on the Windows firewall

4. GuessANumber.html Code Review
Standard stuff from 2402
Very basic HTML. A few buttons and a place to enter a number
What we really care about!

5. GuessANumber.html Code Review
Declare a few variables and point to our nodejs server
Generate a random number and tell our nodjs server to start a new game
Send our guess and display the result

6. GuessANumber.html
Store GuessANumber.html in C:\inetpub\wwwroot on TUA12345-IIS1

7. GuessANumber.js Code Review
We’ll use express to route requests and body-parser to make it easy to read data passed to us
Set body-parser up to deal with both urlencoded data and data in json format

8. GuessANumber.js Code Review
CORS takes care of browser security issues when data is passed between domains

9. GuessANumber.js Code Review
Do 3 things when we receive a “startGame” request:
Generate a random number between 1 and 100
Write that random number to a .NumberToGuess file
Send the “Game started” message back to the client

10. GuessANumber.js Code Review
When we receive a “guessMade” request…:
Tell them they guessed too low or…
Tell them that they guessed too high or…
Tell them they guessed correctly and delete the .NumberToGuess file

11. GuessANumber.js Code Review
Wait for “startGame” and “guessMade” requests.
Express will route requests to the right block of node.js code

12. GuessANumber.js
Store GuessANumber.js in the directory created for Node.js code in Tech Challenge #6
Fire it up