Fix comments of lab 3

src/raft/config.go

@@ -551,7 +551,7 @@ func (cfg *config) wait(index int, n int, startTerm int) interface{} {
 // if retry==true, may submit the command multiple
 // times, in case a leader fails just after Start().
 // if retry==false, calls Start() only once, in order
-// to simplify the early Lab 2B tests.
+// to simplify the early Lab 3B tests.
 func (cfg *config) one(cmd interface{}, expectedServers int, retry bool) int {
 	t0 := time.Now()
 	starts := 0
@@ -605,7 +605,7 @@ func (cfg *config) one(cmd interface{}, expectedServers int, retry bool) int {
 
 // start a Test.
 // print the Test message.
-// e.g. cfg.begin("Test (2B): RPC counts aren't too high")
+// e.g. cfg.begin("Test (3B): RPC counts aren't too high")
 func (cfg *config) begin(description string) {
 	fmt.Printf("%s ...\n", description)
 	cfg.t0 = time.Now()

src/raft/raft.go

@@ -35,7 +35,7 @@ import (
 // CommandValid to true to indicate that the ApplyMsg contains a newly
 // committed log entry.
 //
-// in part 2D you'll want to send other kinds of messages (e.g.,
+// in part 3D you'll want to send other kinds of messages (e.g.,
 // snapshots) on the applyCh, but set CommandValid to false for these
 // other uses.
 type ApplyMsg struct {
@@ -43,7 +43,7 @@ type ApplyMsg struct {
 	Command      interface{}
 	CommandIndex int
 
-	// For 2D:
+	// For 3D:
 	SnapshotValid bool
 	Snapshot      []byte
 	SnapshotTerm  int
@@ -58,7 +58,7 @@ type Raft struct {
 	me        int                 // this peer's index into peers[]
 	dead      int32               // set by Kill()
 
-	// Your data here (2A, 2B, 2C).
+	// Your data here (3A, 3B, 3C).
 	// Look at the paper's Figure 2 for a description of what
 	// state a Raft server must maintain.
 
@@ -70,7 +70,7 @@ func (rf *Raft) GetState() (int, bool) {
 
 	var term int
 	var isleader bool
-	// Your code here (2A).
+	// Your code here (3A).
 	return term, isleader
 }
 
@@ -82,7 +82,7 @@ func (rf *Raft) GetState() (int, bool) {
 // after you've implemented snapshots, pass the current snapshot
 // (or nil if there's not yet a snapshot).
 func (rf *Raft) persist() {
-	// Your code here (2C).
+	// Your code here (3C).
 	// Example:
 	// w := new(bytes.Buffer)
 	// e := labgob.NewEncoder(w)
@@ -98,7 +98,7 @@ func (rf *Raft) readPersist(data []byte) {
 	if data == nil || len(data) < 1 { // bootstrap without any state?
 		return
 	}
-	// Your code here (2C).
+	// Your code here (3C).
 	// Example:
 	// r := bytes.NewBuffer(data)
 	// d := labgob.NewDecoder(r)
@@ -119,7 +119,7 @@ func (rf *Raft) readPersist(data []byte) {
 // service no longer needs the log through (and including)
 // that index. Raft should now trim its log as much as possible.
 func (rf *Raft) Snapshot(index int, snapshot []byte) {
-	// Your code here (2D).
+	// Your code here (3D).
 
 }
 
@@ -127,18 +127,18 @@ func (rf *Raft) Snapshot(index int, snapshot []byte) {
 // example RequestVote RPC arguments structure.
 // field names must start with capital letters!
 type RequestVoteArgs struct {
-	// Your data here (2A, 2B).
+	// Your data here (3A, 3B).
 }
 
 // example RequestVote RPC reply structure.
 // field names must start with capital letters!
 type RequestVoteReply struct {
-	// Your data here (2A).
+	// Your data here (3A).
 }
 
 // example RequestVote RPC handler.
 func (rf *Raft) RequestVote(args *RequestVoteArgs, reply *RequestVoteReply) {
-	// Your code here (2A, 2B).
+	// Your code here (3A, 3B).
 }
 
 // example code to send a RequestVote RPC to a server.
@@ -191,7 +191,7 @@ func (rf *Raft) Start(command interface{}) (int, int, bool) {
 	term := -1
 	isLeader := true
 
-	// Your code here (2B).
+	// Your code here (3B).
 
 
 	return index, term, isLeader
@@ -219,7 +219,7 @@ func (rf *Raft) killed() bool {
 func (rf *Raft) ticker() {
 	for rf.killed() == false {
 
-		// Your code here (2A)
+		// Your code here (3A)
 		// Check if a leader election should be started.
 
 
@@ -246,7 +246,7 @@ func Make(peers []*labrpc.ClientEnd, me int,
 	rf.persister = persister
 	rf.me = me
 
-	// Your initialization code here (2A, 2B, 2C).
+	// Your initialization code here (3A, 3B, 3C).
 
 	// initialize from state persisted before a crash
 	rf.readPersist(persister.ReadRaftState())