Fix unvaldi HTTP-request error with a try catch in main.cpp

main.cpp

@@ -9,8 +9,18 @@ int main() {
   server.config.timeout_request = 0;
 
   // Response to all GET requests
-  server.resource["^.*$"]["GET"] = [](std::shared_ptr<HttpServer::Response> response, std::shared_ptr<HttpServer::Request> /*request*/) {
+  server.resource["^.*$"]["GET"] = [](std::shared_ptr<HttpServer::Response> response, std::shared_ptr<HttpServer::Request> request) {
+    try {
+      if(std::stof(request->http_version) >= 1.1) {
         response->write("<h1>The web server is working!</h1>");
+      }
+    }
+    catch(std::invalid_argument &e) {
+      response->write(SimpleWeb::StatusCode::server_error_http_version_not_supported, "<h1>HTTP-version not valid (string)</h1>");
+    }
+    catch(std::out_of_range &e) {
+      response->write(SimpleWeb::StatusCode::server_error_http_version_not_supported, "<h1>HTTP-version not valid (out of range)</h1>");
+    }
   };
 
   server.start();