server

Class ConnectionHandler

java.lang.Object

server.ConnectionHandler

All Implemented Interfaces:

java.lang.Runnable

public class ConnectionHandler
extends java.lang.Object
implements java.lang.Runnable

This class will serve a single client and process it's requests and send appropriate replies.

Author:

Baani Leen and Viresh Gupta

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.net.Socket	connection Socket on which client is listening
(package private) java.io.ObjectInputStream	in Input Stream on which Server listens
(package private) static java.util.concurrent.locks.ReentrantLock	lock Lock for preventing clashes.
(package private) java.io.ObjectOutputStream	out Output stream on which Client listens

Constructor Summary

Constructors

Constructor and Description
ConnectionHandler(java.net.Socket s) Create a custom servicing class to service requests from a single client over a single socket

Method Summary

Modifier and Type	Method and Description
(package private) RequestObj	doStuff(RequestObj req) This method will process the request from a client.
void	run()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

connection

java.net.Socket connection

Socket on which client is listening

out

java.io.ObjectOutputStream out

Output stream on which Client listens

in

java.io.ObjectInputStream in

Input Stream on which Server listens

lock

static java.util.concurrent.locks.ReentrantLock lock

Lock for preventing clashes.

Constructor Detail

ConnectionHandler

ConnectionHandler(java.net.Socket s)

Create a custom servicing class to service requests from a single client over a single socket

Parameters:

s - The socket on which the client is available

Method Detail

doStuff

RequestObj doStuff(RequestObj req)

This method will process the request from a client. This method is thread safe and uses ReEntrant TryLock to prevent corruption API endpoints supported:

• Timetable :Return Timetable object
• CourseAll :Return all the courses
• UserGet :Deprecated, only in use by internal components, not exposed to user
• UserPut :Deprecated
• CourseAddDrop :Toggle Registration/Deregistration for a user
• Login :Authenticate a user and log them in
• Signup :SignUp a user
• AuditRoomRequest :Save the slot without questions into bookings
• RoomBookRequest :Request for a room booking or book instantly depending on usertype
• GetBookings :Return all bookings made by this user
• CancelBooking :Cancel a booking
• AcceptBooking :Accept a booking
• GetRequests :Get all bookings only
• End :Terminate connection

Parameters:

req - The request recieved from the client as a RequestObj

Returns:

Returns a RequestObj containing appropriate response depending on the Query

run

public void run()

Specified by:

run in interface java.lang.Runnable