Mod: defend timeout response

rpc/client.go

@@ -24,6 +24,7 @@ var (
 	errInvalidAddress    = jerrors.New("remote address invalid or empty")
 	errSessionNotExist   = jerrors.New("session not exist")
 	errClientClosed      = jerrors.New("client closed")
+	errClientReadTimeout = jerrors.New("client read timeout")
 )
 
 func init() {
@@ -141,9 +142,18 @@ func (c *Client) Call(addr, protocol, service, method string, args interface{},
 	if err := c.transfer(session, b, resp); err != nil {
 		return jerrors.Trace(err)
 	}
-	<-resp.done
+	// <-resp.done
 
-	return jerrors.Trace(resp.err)
+	var err error
+	select {
+	case <-getty.GetTimeWheel().After(c.conf.GettySessionParam.tcpReadTimeout):
+		err = errClientReadTimeout
+		c.RemovePendingResponse(resp.seq)
+	case <-resp.done:
+		err = resp.err
+	}
+
+	return jerrors.Trace(err)
 }
 
 func (c *Client) Close() {

session.go

@@ -49,6 +49,10 @@ var (
 	wheel = gxtime.NewWheel(gxtime.TimeMillisecondDuration(100), 1200) // wheel longest span is 2 minute
 )
 
+func GetTimeWheel() *gxtime.Wheel {
+	return wheel
+}
+
 // getty base session
 type session struct {
 	name      string