Safer handling of negative monotonic time.

telegram-bot-api/Client.cpp

@@ -3198,6 +3198,11 @@ void Client::start_up() {
   next_bot_updates_warning_time_ = start_time_ + 600;
   schedule_next_delete_messages_lru();
   webhook_set_time_ = start_time_;
+  next_allowed_set_webhook_time_ = start_time_;
+  next_set_webhook_logging_time_ = start_time_;
+  next_webhook_is_not_modified_warning_time_ = start_time_;
+  previous_get_updates_start_time_ = start_time_ - 100;
+  previous_get_updates_finish_time_ = start_time_ - 100;
 
   sticker_set_names_[GREAT_MINDS_SET_ID] = GREAT_MINDS_SET_NAME.str();
 

telegram-bot-api/WebhookActor.cpp

@@ -647,7 +647,7 @@ void WebhookActor::handle(td::unique_ptr<td::HttpQuery> response) {
 void WebhookActor::start_up() {
   max_loaded_updates_ = max_connections_ * 2;
 
-  last_success_time_ = td::Time::now();
+  next_ip_address_resolve_time_ = last_success_time_ = td::Time::now();
   active_new_connection_flood_.add_limit(1, 10 * max_connections_);
   active_new_connection_flood_.add_limit(5, 20 * max_connections_);