Rework QPS client/server

Now setup as a driver and N anonymous workers that may become clients or servers.
Will convert async soon.

1 files changed, 2 insertions, 0 deletions

diff --git a/test/cpp/qps/client.h b/test/cpp/qps/client.h
index ab34970ebd..97701d3d18 100644
--- a/test/cpp/qps/client.h
+++ b/test/cpp/qps/client.h
@@ -42,6 +42,8 @@ namespace testing {
 class Client {
  public:
   virtual ~Client() {}
+
+  virtual ClientStats Mark() = 0;
 };
 
 std::unique_ptr<Client> CreateSynchronousClient(const ClientConfig& args);