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Author: Muhammad Yousuf Ahmad
Date: September 20, 2015
COMP 512: Distributed Systems
School of Computer Science
McGill University
A Distributed System in Java using Web Services.
Adapted from CSE 593, University of Washington.
==========
Project Structure:
+ build generated by ant
+ classes generated code and compiled classes
+ war deployable web service
+ etc configuration
- server.policy server security policy
- sun-jaxws.xml service endpoint mapping
- web.xml service deployment settings
+ lib jar libraries
+ src source code
+ client client code
- Client.java client CLI
- WSClient.java web service proxy wrapper
+ server server code
+ ws web service
- Main.java embedded Tomcat launcher
- ResourceManager.java resource manager API
- ResourceManagerImpl.java resource manager implementation
- *.java
+ webapps generated by ant
+ rm deployed web service
- build.xml ant build configuration
- README.txt this file
==========
Ant Targets:
- clean deletes directories: build and webapps
- setup creates directories: build and webapps
- build-server processes annotations and compiles server code
- create-war creates deployable web service
- deploy-war deploys war to webapps directory
- start-tomcat launches embedded Tomcat
- server does all of the above
- generate-client generates proxy classes from web service wsdl
- build-client compiles client code
- client does both of the above
Ant Properties:
- ${service.name} name of web service (default: rm)
- ${service.host} hostname/IP of server (default: localhost)
- ${service.port} web service port binding (default: 8080)
Note that you may either modify these properties directly within build.xml,
or specify any of them when launching ant from the command line (as below).
==========
Instructions:
1. Build and launch your service on the server machine:
[userx][lab1-1][proj1] ant server -Dservice.port=8081
Make sure you use a unique port number to avoid port conflicts with other
groups that may be running their services on the same machine in the lab.
You may use your group number as a prefix. For example:
Group 1: 1081; Group 8: 8081; Group 10: 10081; Group 18: 18081
2. Build and launch your client on the client machine:
[userx][lab1-2][proj1] ant client -Dservice.host=lab1-1 -Dservice.port=8081
Make sure you specify the hostname/IP of the server and the port from step 1.
3. Run some test commands on the client:
[java] Client Interface
[java] Type "help" for list of supported commands
newflight,1,1,1,1
[java] Adding a new Flight using id: 1
[java] Flight number: 1
[java] Add Flight Seats: 1
[java] Set Flight Price: 1
[java] Flight added
queryflight,1,1
[java] Querying a flight using id: 1
[java] Flight number: 1
[java] Number of seats available: 1
If it works, you will see corresponding log messages on the server:
[java] http-nio-8080-exec-1 INFO: RM::addFlight(1, 1, $1, 1) called.
[java] http-nio-8080-exec-1 INFO: RM::addFlight(1, 1, $1, 1) OK.
[java] http-nio-8080-exec-1 INFO: RM::queryNum(1, flight-1) called.
[java] http-nio-8080-exec-1 INFO: RM::queryNum(1, flight-1) OK: 1
==========
Interface:
help
newflight boolean addFlight(int id, int flightNumber, int numSeats, int flightPrice)
newcar boolean addCars(int id, String location, int numCars, int carPrice)
newroom boolean addRooms(int id, String location, int numRooms, int roomPrice)
newcustomer int newCustomer(int id)
newcustomerid boolean newCustomerId(int id, int customerId)
deleteflight boolean deleteFlight(int id, int flightNumber)
deletecar boolean deleteCars(int id, String location)
deleteroom boolean deleteRooms(int id, String location)
deletecustomer boolean deleteCustomer(int id, int customerId)
queryflight int queryFlight(int id, int flightNumber)
querycar int queryCars(int id, String location)
queryroom int queryRooms(int id, String location)
querycustomer String queryCustomerInfo(int id, int customerId)
queryflightprice int queryFlightPrice(int id, int flightNumber)
querycarprice int queryCarsPrice(int id, String location)
queryroomprice int queryRoomsPrice(int id, String location)
reserveflight boolean reserveFlight(int id, int customerId, int flightNumber)
reservecar boolean reserveCar(int id, int customerId, String location)
reserveroom boolean reserveRoom(int id, int customerId, String location)
itinerary boolean reserveItinerary(int id, int customerId, Vector flightNumbers, String location, boolean car, boolean room)
quit
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Distributed Systems, McGill, 2015
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