moving

mp2/src/raft/raft.go

@@ -238,8 +238,20 @@ func (rf *Raft) AppendEntries(args *AppendEntriesArgs, reply *AppendEntriesReply
 			
 		}
 	} else {
-		//add else statment later to handle optimization
 		reply.Success = false
+		if args.PrevLogIndex >= len(rf.log) {
+			reply.ConflictIdx = len(rf.log) - 1
+			reply.ConflictTerm = -1
+		} else {
+			wrongTerm := rf.log[args.PrevLogIndex].Term
+			reply.ConflictTerm = wrongTerm
+			for i := 0; i < len(rf.log); i++ {
+				if rf.log[i].Term == reply.ConflictTerm{
+					reply.ConflictIdx = i
+					break
+				}
+			}
+		}
 	}
 	
 	reply.Term = rf.currentTerm