simple client

controller/client.go

@@ -0,0 +1,40 @@
+package controller
+
+import (
+	"net"
+	"time"
+
+	"github.com/tidwall/resp"
+)
+
+type Conn struct {
+	conn net.Conn
+	rd   *resp.Reader
+	wr   *resp.Writer
+}
+
+func DialTimeout(address string, timeout time.Duration) (*Conn, error) {
+	tcpconn, err := net.DialTimeout("tcp", address, timeout)
+	if err != nil {
+		return nil, err
+	}
+	conn := &Conn{
+		conn: tcpconn,
+		rd:   resp.NewReader(tcpconn),
+		wr:   resp.NewWriter(tcpconn),
+	}
+	return conn, nil
+}
+
+func (conn *Conn) Close() error {
+	conn.wr.WriteMultiBulk("quit")
+	return conn.conn.Close()
+}
+
+func (conn *Conn) Do(commandName string, args ...interface{}) (val resp.Value, err error) {
+	if err := conn.wr.WriteMultiBulk(commandName, args...); err != nil {
+		return val, err
+	}
+	val, _, err = conn.rd.ReadValue()
+	return val, err
+}