handler: make client persistent

src/main.cpp

@@ -82,6 +82,7 @@ int main(int argc, char** argv, char** envp) {
     opts.maxRequestSize(g_pConfig->m_config.max_request_size); // 150MB TODO: configurable
     endpoint->init(opts);
     auto handler = Pistache::Http::make_handler<CServerHandler>();
+    handler->init();
     endpoint->setHandler(handler);
 
     endpoint->serveThreaded();
@@ -110,6 +111,7 @@ int main(int argc, char** argv, char** envp) {
 
     Debug::log(LOG, "Shutting down, bye!");
 
+    handler->finish();
     endpoint->shutdown();
     endpoint = nullptr;