func (s *testClientSuite) TestWrongMessageID(c *C) {
l := startServer(":61237", c, func(conn net.Conn, c *C) {
var msg msgpb.Message
msgID, err := util.ReadMessage(conn, &msg)
c.Assert(err, IsNil)
resp := msgpb.Message{
MsgType: msgpb.MessageType_KvResp,
KvResp: &pb.Response{
Type: msg.GetKvReq().GetType(),
},
}
// Send the request back to client, set wrong msgID for the 1st
// request.
if msgID == 1 {
err = util.WriteMessage(conn, msgID+100, &resp)
} else {
err = util.WriteMessage(conn, msgID, &resp)
}
c.Assert(err, IsNil)
})
defer l.Close()
cli := newRPCClient()
req := &pb.Request{
Type: pb.MessageType_CmdGet,
}
// Wrong ID for the first request, correct for the rests.
_, err := cli.SendKVReq(":61237", req, readTimeoutShort)
c.Assert(err, NotNil)
resp, err := cli.SendKVReq(":61237", req, readTimeoutShort)
c.Assert(err, IsNil)
c.Assert(resp.GetType(), Equals, req.GetType())
}
func readThenCloseRequest(conn net.Conn, c *C) {
c.Assert(conn, NotNil)
defer conn.Close()
var msg msgpb.Message
msgID, err := util.ReadMessage(conn, &msg)
c.Assert(err, IsNil)
c.Assert(msg.GetKvReq(), NotNil)
c.Assert(msgID, Greater, uint64(0))
}
// handleRequest receive Request then send empty Response back fill with same Type.
func handleRequest(conn net.Conn, c *C) {
c.Assert(conn, NotNil)
defer conn.Close()
var msg msgpb.Message
msgID, err := util.ReadMessage(conn, &msg)
c.Assert(err, IsNil)
c.Assert(msgID, Greater, uint64(0))
c.Assert(msg.GetMsgType(), Equals, msgpb.MessageType_KvReq)
req := msg.GetKvReq()
c.Assert(req, NotNil)
var resp pb.Response
resp.Type = req.Type
msg = msgpb.Message{
MsgType: msgpb.MessageType_KvResp,
KvResp: &resp,
}
err = util.WriteMessage(conn, msgID, &msg)
c.Assert(err, IsNil)
}