{"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\/cs\/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>Do\u0161lo k vyd\u00e1n\u00ed <strong><a rel=\"nofollow\" href=\"https:\/\/opendds.org\/about\/\">OpenDDS 3.34.0<\/a><\/strong> \u2014 voln\u00e9 C++ implementace specifikace <strong>Object Management Group Data Distribution Service pro re\u00e1ln\u00e9 syst\u00e9my<\/strong>. DDS se pou\u017e\u00edv\u00e1 pro budov\u00e1n\u00ed distribuovan\u00fdch syst\u00e9m\u016f na modelu publikace a odb\u011bru a samotn\u00fd OpenDDS, krom\u011b C++, poskytuje Java\/JNI vazby a spol\u00e9h\u00e1 na ACE\/TAO. Verze byla vyd\u00e1na <strong>21. kv\u011btna 2026<\/strong>, <a rel=\"nofollow\" href=\"https:\/\/opendds.org\/downloads.html\">hotov\u00e9 archivy<\/a> jsou k dispozici pro Windows, Linux a macOS.<\/p>\n<p><\/noindex><\/noindex><br \/>\n<noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/opendds.org\/about\/license.html\">Projekt je distribuov\u00e1n<\/a> jako open source: OpenDDS lze pou\u017e\u00edvat, m\u011bnit a distribuovat bez licen\u010dn\u00edch poplatk\u016f p\u0159i zachov\u00e1n\u00ed copyrightov\u00e9ho ozn\u00e1men\u00ed; zvl\u00e1\u0161\u0165 se zd\u016fraz\u0148uje, \u017ee OpenDDS lze pou\u017e\u00edvat i p\u0159i v\u00fdvoji propriet\u00e1rn\u00edho SW bez povinnosti zve\u0159ejnit sv\u016fj zdrojov\u00fd k\u00f3d.<\/p>\n<p><\/noindex><\/p>\n<p>Hlavn\u00ed zm\u011bny OpenDDS 3.34.0:<\/p>\n<ul>\n<li>\n<p><strong>Byly roz\u0161\u00ed\u0159eny mo\u017enosti RtpsRelay.<\/strong> V RtpsRelay lze nyn\u00ed m\u011bnit dal\u0161\u00ed parametry za b\u011bhu pomoc\u00ed mechanismu RtpsRelayControl. Tak\u00e9 byla p\u0159id\u00e1na mo\u017enost ur\u010dit seznam odd\u00edl\u016f, k nim\u017e bude konkr\u00e9tn\u00edm instanc\u00edm RtpsRelay zak\u00e1z\u00e1n p\u0159\u00edstup, prost\u0159ednictv\u00edm nov\u00e9ho topiku RelayDeniedPartitions. Pro spr\u00e1vu doby platnosti tohoto z\u00e1kazu byla p\u0159id\u00e1na mo\u017enost -DeniedPartitionsTimeout.<\/p>\n<\/li>\n<li>\n<p><strong>Byl p\u0159id\u00e1n re\u017eim sestaven\u00ed pro profilov\u00e1n\u00ed.<\/strong> Do skriptu configure byla p\u0159id\u00e1na volba \u2014profiling, kter\u00e1 zahrnuje typick\u00e9 parametry kompilace pro anal\u00fdzu v\u00fdkonu v GCC.<\/p>\n<\/li>\n<li>\n<p><strong>Byly p\u0159id\u00e1ny callbacks pro spr\u00e1vu vl\u00e1ken OpenDDS.<\/strong> V\u00fdvoj\u00e1\u0159i p\u0159idali zpracovatele, kter\u00e9 se volaj\u00ed p\u0159i spu\u0161t\u011bn\u00ed a ukon\u010den\u00ed vl\u00e1ken OpenDDS. To umo\u017e\u0148uje \u0159\u00eddit chov\u00e1n\u00ed vl\u00e1ken, nap\u0159\u00edklad je p\u0159i\u0159adit konkr\u00e9tn\u00edm CPU j\u00e1dr\u016fm v Linuxu.<\/p>\n<\/li>\n<li>\n<p><strong>Byla optimalizov\u00e1na deserializace IDL typ\u016f.<\/strong> V\u0161echny IDL mapov\u00e1n\u00ed se nyn\u00ed sna\u017e\u00ed vyh\u00fdbat zbyte\u010dn\u00e9mu nulov\u00e1n\u00ed pam\u011bti pro sekvence primitivn\u00edch typ\u016f p\u0159i deserializaci vzoru. Pro IDL-to-C++11 je vy\u017eadov\u00e1no dodate\u010dn\u00e9 explicitn\u00ed zahrnut\u00ed prost\u0159ednictv\u00edm @OpenDDS::no_init_before_deserialize.<\/p>\n<\/li>\n<li>\n<p><strong>Byla p\u0159id\u00e1na kontrola po\u010dtu vl\u00e1ken EventDispatcher.<\/strong> Byly p\u0159id\u00e1ny parametry DCPSEventDispatcherThreads a transportn\u00ed nastaven\u00ed event_dispatcher_threads. P\u0159i hodnot\u011b event_dispatcher_threads=0 bude transport pou\u017e\u00edvat spole\u010dn\u00fd event dispatcher m\u00edsto vytv\u00e1\u0159en\u00ed vlastn\u00edho lok\u00e1ln\u00edho dispatcheru.<\/p>\n<\/li>\n<li>\n<p><strong>Byla p\u0159id\u00e1na nastaven\u00ed TCP buffer\u016f.<\/strong> Pro TCP transport se objevily parametry send_buffer_size a rcv_buffer_size. Ve v\u00fdchoz\u00edm nastaven\u00ed je velikost socket buffer\u016f nyn\u00ed ponech\u00e1na na uv\u00e1\u017een\u00ed platformy, pokud tyto parametry nejsou nastaveny na kladn\u00e9 hodnoty.<\/p>\n<\/li>\n<li>\n<p><strong>Byly aktualizov\u00e1ny ACE\/TAO.<\/strong> V r\u00e1mci aktualizace byly z\u00e1vislosti: ACE 6\/TAO 2 zv\u00fd\u0161eny z 6.5.23 na 6.5.24, a ACE 8\/TAO 4 z 8.0.5 na 8.0.6. P\u0159i sestavov\u00e1n\u00ed OpenDDS p\u0159es CMake se v\u00fdchoz\u00ed verze ACE\/TAO nyn\u00ed stala kombinace ACE 8 \/ TAO 4.<\/p>\n<\/li>\n<li>\n<p><strong>Odstran\u011bna nepou\u017e\u00edvan\u00e1 mo\u017enost RtpsRelay.<\/strong> Z RtpsRelay byla odstran\u011bna mo\u017enost -LogParticipantStatistics, proto\u017ee ji\u017e nebyla pou\u017e\u00edv\u00e1na.<\/p>\n<\/li>\n<li>\n<p><strong>Opravy v\u00fdkonu a s\u00ed\u0165ov\u00e9ho provozu.<\/strong> Velikost receive bufferu pro netlink byla zv\u00fd\u0161ena, a zna\u010dn\u00e1 \u010d\u00e1st obslu\u017en\u00fdch a odpov\u011bdn\u00edch \u00faloh byla p\u0159esunuta z Reactor vl\u00e1ken na odpov\u00eddaj\u00edc\u00ed EventDispatcher vl\u00e1kna. To by m\u011blo uvolnit Reactor vl\u00e1kna pro s\u00ed\u0165ov\u00e9 \u010dten\u00ed.<\/p>\n<\/li>\n<li>\n<p><strong>Byly opraveny chyby v ThreadStatusManager a transportech.<\/strong> ThreadStatusManager nyn\u00ed pou\u017e\u00edv\u00e1 n\u011bkolik slot\u016f se sv\u00fdmi z\u00e1mky, co\u017e sni\u017euje konkurenci mezi vl\u00e1kny. Opraveno dereferencov\u00e1n\u00ed null pointeru p\u0159i deserializaci DynamicData od odstra\u0148ovan\u00e9ho \u00fa\u010dastn\u00edka, stejn\u011b jako chyby p\u0159i hled\u00e1n\u00ed instance transportu a p\u0159i pr\u00e1ci se sd\u00edlen\u00fdmi lok\u00e1ln\u00edmi adresami, kter\u00e9 mohly v\u00e9st k nespr\u00e1vn\u00fdm locator hodnot\u00e1m v ozn\u00e1men\u00edch \u00fa\u010dastn\u00edk\u016f a endpoint\u016f.<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\">Novinky na str\u00e1nk\u00e1ch projektu<\/a><\/p>\n<p><\/noindex><\/p>\n<p>Zdroj: <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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