Method preRead

test/cpp/src/TestServer.cpp:387–387

    delete static_cast<std::string*>(ctx);
  }
  void preRead(void* ctx, const char* fn_name) override { communicate("preRead", ctx, fn_name); }
  void postRead(void* ctx, const char* fn_name, uint32_t bytes) override {
    (void)bytes;
    communicate("postRead", ctx, fn_name);