CS380D-3PC

Group: Zain Admani and Juilan Sia (Z&J) Project slip days used for 3PC: 2 Project slip days used (total): 2

COMMAND FORMAT: [ID]:[MESSAGE]

MESSAGES: VOTE_REQ:[THING TO VOTE ON] STATE_REQ STATE_REQ_COORD STATE_RESP STATE_RESP_COORD YES NO ABORT PRECOMMIT DOCOMMIT

COMMANDS: ADD(songName,URL) REMOVE(songName) EDIT(songName,newSongName,newSongURL)

Objects (Controller.java)

1. Controller(String instructionsPath, int desirednumProcs): Create a controller that will execute a list of instructions found in instructionsPath on a system of desireNumProcs

Methods (Controller.java)

1. executeinstructions(): run the instructions find on instructionsPath
2. kill(integer id): kill the id process
3. killAll(): kill all the processes in the network
4. killLeader(): kill the current leader
5. revive(Integer id): revive the id process
6. reviveLast(): revive the last process to have died
7. reviveAll(): revive all the processes
8. partialMessage(Integer id, Integer numMsgs): let id process send numMsgs, then stop sending protocol messages
9. resumeMessages(Integer id): resume messaging for the id process
10. partialKill(Integer id, Integer numMsgs): let id process send numMsgs, then shutdown
11. rejectNextChange(Integer id): vote no for next proposed change

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##TEST CASES:

PARTICIPANT // Participant Failure and recovery currLeaderIndex = 4 partialKill(0,1); revive(0)

// before voted (just after voted0) partialKill(0,0) revive(0)

COORDINATOR FAILURE // dies before sending anything partialKill(4,0) revive(4)

// dies after sending 1 VOTEREQ partialKill(0,2) partialKill(0)

Partial PreCommit partialKill(4,8) revive(4)

Partial Commit // got all ACKS and died partialKill(4,14) revive(4)

Cascading - pre VOTEREQ // dies after sending 1 VOTEREQ to an external participant partialKill(0,2) partialKill(1,3) revive(0) revive(1)

Cascading - partial commit partialKill(0,14) partialKill(1,3) revive(0) revive(1)

cascading - partial pre-commit partialKill(0,8) partialKill(1,3) revive(0) revive(1)

future coordinator failure partialKill(0, 6) partialKill(1,2) revive(0) revive(1)

future coordinator failure Partial commit partialKill(0,9) partialKill(1,3)

Partial PrePrecommit // got all votes and died partialKill(4,6) revive(4)

partial commit // one guy get COMMIT partialKill(4,14) revive(4)

total failure partialKill(0,6) partialKill(1,1); partialKill(2,1); partialKill(4,1) revive(1) revive(2) revive(3) revive(4)