{"id":181717,"date":"2026-05-25T08:49:03","date_gmt":"2026-05-25T06:49:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opendds-3-34-0"},"modified":"2026-05-25T08:49:03","modified_gmt":"2026-05-25T06:49:03","slug":"opendds-3-34-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/opendds-3-34-0","title":{"rendered":"OpenDDS 3.34.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>Lan\u00e7amento ocorrido <strong><a rel=\"nofollow\" href=\"https:\/\/opendds.org\/about\/\">OpenDDS 3.34.0<\/a><\/strong> \u2014 implementa\u00e7\u00e3o livre em C++ da especifica\u00e7\u00e3o <strong>Grupo de Gest\u00e3o de Objetos Servi\u00e7o de Distribui\u00e7\u00e3o de Dados para Sistemas em Tempo Real<\/strong>. DDS \u00e9 utilizado para a constru\u00e7\u00e3o de sistemas distribu\u00eddos com um modelo de publica\u00e7\u00e3o e assinatura, e o OpenDDS, al\u00e9m de C++, fornece vincula\u00e7\u00f5es para Java\/JNI e baseia-se em ACE\/TAO. O lan\u00e7amento foi publicado <strong>21 de maio de 2026<\/strong>, <a rel=\"nofollow\" href=\"https:\/\/opendds.org\/downloads.html\">arquivos prontos<\/a> dispon\u00edveis para Windows, Linux e macOS.<\/p>\n<p><\/noindex><\/noindex><br \/>\n<noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/opendds.org\/about\/license.html\">O projeto \u00e9 distribu\u00eddo<\/a> como c\u00f3digo aberto: o OpenDDS pode ser utilizado, modificado e distribu\u00eddo sem taxas de licenciamento, mantendo o aviso de copyright; destaca-se que o OpenDDS pode ser utilizado no desenvolvimento de software propriet\u00e1rio sem a obriga\u00e7\u00e3o de revelar o c\u00f3digo-fonte.<\/p>\n<p><\/noindex><\/p>\n<p>Principais altera\u00e7\u00f5es no OpenDDS 3.34.0:<\/p>\n<ul>\n<li>\n<p><strong>As capacidades do RtpsRelay foram expandidas.<\/strong> Agora, no RtpsRelay, \u00e9 poss\u00edvel alterar par\u00e2metros adicionais durante a execu\u00e7\u00e3o atrav\u00e9s do mecanismo RtpsRelayControl. Tamb\u00e9m foi adicionada a capacidade de especificar uma lista de parti\u00e7\u00f5es a serem negadas a um determinado exemplar do RtpsRelay, via um novo t\u00f3pico RelayDeniedPartitions. Para gerenciar o tempo de validade dessa nega\u00e7\u00e3o, foi adicionada a op\u00e7\u00e3o -DeniedPartitionsTimeout.<\/p>\n<\/li>\n<li>\n<p><strong>Adicionado modo de constru\u00e7\u00e3o para perfil de desempenho.<\/strong> No script configure foi adicionada a flag \u2014profiling, que inclui par\u00e2metros de compila\u00e7\u00e3o t\u00edpicos para an\u00e1lise de desempenho no GCC.<\/p>\n<\/li>\n<li>\n<p><strong>Agora h\u00e1 callbacks para gerenciar as threads do OpenDDS.<\/strong> Os desenvolvedores adicionaram manipuladores que s\u00e3o chamados no in\u00edcio e no t\u00e9rmino das threads do OpenDDS. Isso permite gerenciar o comportamento das threads, como fix\u00e1-las em n\u00facleos espec\u00edficos da CPU no Linux.<\/p>\n<\/li>\n<li>\n<p><strong>Deserializa\u00e7\u00e3o de tipos IDL otimizada.<\/strong> Todos os mapeamentos IDL agora evitam zeragem desnecess\u00e1ria de mem\u00f3ria para sequ\u00eancias de tipos primitivos durante a deserializa\u00e7\u00e3o de padr\u00f5es. Para IDL-to-C++11, uma inclus\u00e3o expl\u00edcita adicional \u00e9 necess\u00e1ria atrav\u00e9s de @OpenDDS::no_init_before_deserialize.<\/p>\n<\/li>\n<li>\n<p><strong>Adicionado controle do n\u00famero de threads EventDispatcher.<\/strong> Agora existem par\u00e2metros DCPSEventDispatcherThreads e configura\u00e7\u00e3o de transporte event_dispatcher_threads. Quando o valor de event_dispatcher_threads=0, o transporte utilizar\u00e1 um despachante de eventos compartilhado em vez de criar um despachante local.<\/p>\n<\/li>\n<li>\n<p><strong>Adicionadas configura\u00e7\u00f5es de buffers TCP.<\/strong> Para o transporte TCP, agora existem par\u00e2metros send_buffer_size e rcv_buffer_size. Por padr\u00e3o, o tamanho dos buffers de socket agora \u00e9 deixado a crit\u00e9rio da plataforma, a menos que esses par\u00e2metros sejam definidos com valores positivos.<\/p>\n<\/li>\n<li>\n<p><strong>ACE\/TAO atualizados.<\/strong> As depend\u00eancias foram atualizadas: ACE 6\/TAO 2 aumentaram de 6.5.23 para 6.5.24, e ACE 8\/TAO 4 \u2014 de 8.0.5 para 8.0.6. Ao compilar o OpenDDS atrav\u00e9s do CMake, a vers\u00e3o padr\u00e3o do ACE\/TAO agora \u00e9 a combina\u00e7\u00e3o ACE 8 \/ TAO 4.<\/p>\n<\/li>\n<li>\n<p><strong>Removida a op\u00e7\u00e3o n\u00e3o utilizada RtpsRelay.<\/strong> A op\u00e7\u00e3o -LogParticipantStatistics foi removida do RtpsRelay, pois n\u00e3o estava mais em uso.<\/p>\n<\/li>\n<li>\n<p><strong>Corre\u00e7\u00f5es de desempenho e funcionamento da rede.<\/strong> Aumentado o tamanho do buffer de recebimento para netlink, e uma quantidade significativa das tarefas de servi\u00e7o e resposta foi transferida dos threads do Reactor para os threads correspondentes do EventDispatcher. Isso deve aliviar os threads do Reactor para leitura de rede.<\/p>\n<\/li>\n<li>\n<p><strong>Corrigidos erros no ThreadStatusManager e nos transportes.<\/strong> O ThreadStatusManager agora utiliza m\u00faltiplos slots com suas pr\u00f3prias travas, o que reduz a competi\u00e7\u00e3o entre os threads. Corrigido o desreferenciamento de ponteiro nulo ao desserializar DynamicData de um participante removido, bem como erros na busca de inst\u00e2ncia de transporte e no manuseio de endere\u00e7os locais compartilhados, que podiam levar a valores de locator incorretos nas declara\u00e7\u00f5es de participantes e endpoints.<br \/>\n&lt;&lt;&lt;<\/p>\n<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/opendds.readthedocs.io\/en\/master\/news.html#v3-34-0\">Not\u00edcia no site do projeto<\/a><\/p>\n<p><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/18299140\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 OpenDDS 3.34.0 \u2014 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 C++-\u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 Object Management Group Data Distribution Service for Real-time Systems. DDS \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043f\u043e \u043c\u043e\u0434\u0435\u043b\u0438 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438 \u0438 \u043f\u043e\u0434\u043f\u0438\u0441\u043a\u0438, \u0430 \u0441\u0430\u043c OpenDDS, \u043f\u043e\u043c\u0438\u043c\u043e C++, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 Java\/JNI-\u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 \u0438 \u043e\u043f\u0438\u0440\u0430\u0435\u0442\u0441\u044f \u043d\u0430 ACE\/TAO. \u0420\u0435\u043b\u0438\u0437 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d 21 \u043c\u0430\u044f 2026 \u0433\u043e\u0434\u0430, \u0433\u043e\u0442\u043e\u0432\u044b\u0435 \u0430\u0440\u0445\u0438\u0432\u044b \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0434\u043b\u044f Windows, Linux \u0438 macOS. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181717","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 OpenDDS 3.34.0 \u2014 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 C++-\u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 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