update

src/shardkv/common.go

@@ -0,0 +1,44 @@
+package shardkv
+
+//
+// Sharded key/value server.
+// Lots of replica groups, each running Raft.
+// Shardctrler decides which group serves each shard.
+// Shardctrler may change shard assignment from time to time.
+//
+// You will have to modify these definitions.
+//
+
+const (
+	OK             = "OK"
+	ErrNoKey       = "ErrNoKey"
+	ErrWrongGroup  = "ErrWrongGroup"
+	ErrWrongLeader = "ErrWrongLeader"
+)
+
+type Err string
+
+// Put or Append
+type PutAppendArgs struct {
+	// You'll have to add definitions here.
+	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 {
+	Err Err
+}
+
+type GetArgs struct {
+	Key string
+	// You'll have to add definitions here.
+}
+
+type GetReply struct {
+	Err   Err
+	Value string
+}