This commit is contained in:
Frans Kaashoek 2025-02-01 08:29:47 -05:00
parent 788497f1a1
commit 6a79304587
2 changed files with 82 additions and 0 deletions

81
src/kvraft1/server.go Normal file
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@ -0,0 +1,81 @@
package kvraft
import (
"sync/atomic"
"6.5840/kvraft1/rsm"
"6.5840/kvsrv1/rpc"
"6.5840/labgob"
"6.5840/labrpc"
"6.5840/tester1"
)
type KVServer struct {
me int
dead int32 // set by Kill()
rsm *rsm.RSM
// Your definitions here.
}
func (kv *KVServer) DoOp(req any) any {
// Your code here
return nil
}
func (kv *KVServer) Snapshot() []byte {
// Your code here
return nil
}
func (kv *KVServer) Restore(data []byte) {
// Your code here
}
func (kv *KVServer) Get(args *rpc.GetArgs, reply *rpc.GetReply) {
// Your code here. Use kv.rsm.Submit() to submit args
// You can use go's type casts to turn the any return value
// of Submit() into a GetReply: rep.(rpc.GetReply)
}
func (kv *KVServer) Put(args *rpc.PutArgs, reply *rpc.PutReply) {
// Your code here. Use kv.rsm.Submit() to submit args
// You can use go's type casts to turn the any return value
// of Submit() into a PutReply: rep.(rpc.PutReply)
}
// the tester calls Kill() when a KVServer instance won't
// be needed again. for your convenience, we supply
// code to set rf.dead (without needing a lock),
// and a killed() method to test rf.dead in
// long-running loops. you can also add your own
// code to Kill(). you're not required to do anything
// about this, but it may be convenient (for example)
// to suppress debug output from a Kill()ed instance.
func (kv *KVServer) Kill() {
atomic.StoreInt32(&kv.dead, 1)
// Your code here, if desired.
}
func (kv *KVServer) killed() bool {
z := atomic.LoadInt32(&kv.dead)
return z == 1
}
// StartKVServer() and MakeRSM() must return quickly, so they should
// start goroutines for any long-running work.
func StartKVServer(servers []*labrpc.ClientEnd, gid tester.Tgid, me int, persister *tester.Persister, maxraftstate int) []tester.IService {
// call labgob.Register on structures you want
// Go's RPC library to marshall/unmarshall.
labgob.Register(rsm.Op{})
labgob.Register(rpc.PutArgs{})
labgob.Register(rpc.GetArgs{})
kv := &KVServer{me: me}
kv.rsm = rsm.MakeRSM(servers, me, persister, maxraftstate, kv)
// You may need initialization code here.
return []tester.IService{kv, kv.rsm.Raft()}
}

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@ -9,6 +9,7 @@ import (
"6.5840/labgob" "6.5840/labgob"
"6.5840/labrpc" "6.5840/labrpc"
"6.5840/shardkv1/shardgrp/shardrpc" "6.5840/shardkv1/shardgrp/shardrpc"
"6.5840/tester1"
) )