feat: add MIT-6.824

Author: wx-chevalier

backend/node/Duplexer.js renamed to backend/node/stream/Duplexer.js

@@ -0,0 +1,7 @@
+*.*/
+mrtmp.*
+824-mrinput-*.txt
+/main/diff.out
+/mapreduce/x.txt
+/pbservice/x.txt
+/kvpaxos/x.txt

backend/node/JSONObjectStream.js renamed to backend/node/stream/JSONObjectStream.js

@@ -0,0 +1,64 @@
+package raftkv
+
+import "labrpc"
+import "crypto/rand"
+import "math/big"
+
+
+type Clerk struct {
+servers []*labrpc.ClientEnd
+// You will have to modify this struct.
+}
+
+func nrand() int64 {
+max := big.NewInt(int64(1) << 62)
+bigx, _ := rand.Int(rand.Reader, max)
+x := bigx.Int64()
+return x
+}
+
+func MakeClerk(servers []*labrpc.ClientEnd) *Clerk {
+ck := new(Clerk)
+ck.servers = servers
+// You'll have to add code here.
+return ck
+}
+
+//
+// fetch the current value for a key.
+// returns "" if the key does not exist.
+// keeps trying forever in the face of all other errors.
+//
+// you can send an RPC with code like this:
+// ok := ck.servers[i].Call("KVServer.Get", &args, &reply)
+//
+// the types of args and reply (including whether they are pointers)
+// must match the declared types of the RPC handler function's
+// arguments. and reply must be passed as a pointer.
+//
+func (ck *Clerk) Get(key string) string {
+
+// You will have to modify this function.
+return ""
+}
+
+//
+// shared by Put and Append.
+//
+// you can send an RPC with code like this:
+// ok := ck.servers[i].Call("KVServer.PutAppend", &args, &reply)
+//
+// the types of args and reply (including whether they are pointers)
+// must match the declared types of the RPC handler function's
+// arguments. and reply must be passed as a pointer.
+//
+func (ck *Clerk) PutAppend(key string, value string, op string) {
+// You will have to modify this function.
+}
+
+func (ck *Clerk) Put(key string, value string) {
+ck.PutAppend(key, value, "Put")
+}
+func (ck *Clerk) Append(key string, value string) {
+ck.PutAppend(key, value, "Append")
+}

language/js/network/unix-socks/ipc.js renamed to backend/node/unix-socks/ipc.js

@@ -0,0 +1,34 @@
+package raftkv
+
+const (
+OK = "OK"
+ErrNoKey = "ErrNoKey"
+)
+
+type Err string
+
+// Put or Append
+type PutAppendArgs struct {
+Key string
+Value string
+Op string // "Put" or "Append"
+// You'll have to add definitions here.
+// Field names must start with capital letters,
+// otherwise RPC will break.
+}
+
+type PutAppendReply struct {
+WrongLeader bool
+Err Err
+}
+
+type GetArgs struct {
+Key string
+// You'll have to add definitions here.
+}
+
+type GetReply struct {
+WrongLeader bool
+Err Err
+Value string
+}