fix HELLO, set RESP default buffer size with 2048

handler.go

@@ -289,7 +289,7 @@ func cmdNotFound(n *Nodis, conn *redis.Conn, cmd redis.Command) {
 
 func hello(n *Nodis, conn *redis.Conn, cmd redis.Command) {
 	execCommand(conn, func() {
-		conn.WriteArray(13)
+		conn.WriteArray(14)
 		conn.WriteBulk("server")
 		conn.WriteBulk("redis")
 		conn.WriteBulk("version")
@@ -303,6 +303,7 @@ func hello(n *Nodis, conn *redis.Conn, cmd redis.Command) {
 		conn.WriteBulk("role")
 		conn.WriteBulk("master")
 		conn.WriteBulk("modules")
+		conn.WriteArray(0)
 	})
 }
 

nodis.go

@@ -221,8 +221,7 @@ func (n *Nodis) Serve(addr string) error {
 		os.Exit(0)
 	}()
 	return redis.Serve(addr, func(conn *redis.Conn, cmd redis.Command) {
-		c := GetCommand(cmd.Name)
-		c(n, conn, cmd)
+		GetCommand(cmd.Name)(n, conn, cmd)
 		if conn.HasError() && conn.State != 0 {
 			conn.State |= redis.MultiError
 		}

redis/resp.go

@@ -20,7 +20,7 @@ type Reader struct {
 	cmd Command
 }
 
-const defaultSize = 4096
+const defaultSize = 2048
 
 func NewReader(rd io.Reader) *Reader {
 	return &Reader{