Method create

src/ps_main.cc:5–12

namespace PS {

App* App::create(const string& name, const string& conf) {
  auto my_role = Postoffice::instance().myNode().role();
  if (my_role == Node::SERVER) {
    return CreateServerNode(conf);
  } else {
    return new App();
  }
}
} // namespace PS

int main(int argc, char *argv[]) {