// $Id$ #include "tao/Acceptor_Registry.h" #include "tao/Profile.h" #include "tao/Transport_Acceptor.h" #include "tao/Protocol_Factory.h" #include "tao/ORB_Core.h" #include "tao/params.h" #include "tao/MProfile.h" #include "tao/debug.h" #include "tao/Acceptor_Filter.h" #include "tao/Endpoint.h" #include "tao/ORB_Constants.h" #include "tao/SystemException.h" #if defined (ACE_WIN32) && defined (ACE_HAS_IPV6) # include "tao/IIOP_Acceptor.h" #endif /* ACE_WIN32 && ACE_HAS_IPV6 */ #include "ace/Auto_Ptr.h" #include "ace/OS_NS_string.h" #include "ace/OS_NS_ctype.h" #include "ace/CORBA_macros.h" #if !defined(__ACE_INLINE__) #include "tao/Acceptor_Registry.inl" #endif /* __ACE_INLINE__ */ ACE_RCSID (tao, Acceptor_Registry, "$Id$") TAO_BEGIN_VERSIONED_NAMESPACE_DECL TAO_Acceptor_Registry::TAO_Acceptor_Registry (void) : acceptors_ (0), size_ (0) { } TAO_Acceptor_Registry::~TAO_Acceptor_Registry (void) { this->close_all (); delete [] this->acceptors_; } size_t TAO_Acceptor_Registry::endpoint_count (void) { int count = 0; const TAO_AcceptorSetIterator end = this->end (); for (TAO_AcceptorSetIterator i = this->begin (); i != end; ++i) { count += (*i)->endpoint_count (); } return count; } int TAO_Acceptor_Registry::is_collocated (const TAO_MProfile &mprofile) { const TAO_AcceptorSetIterator end = this->end (); const CORBA::ULong count = mprofile.profile_count (); // If at least one endpoint in one of the profiles matches one of // the acceptors, we are collocated. for (TAO_AcceptorSetIterator i = this->begin (); i != end; ++i) { for (TAO_PHandle j = 0; j != count; ++j) { const TAO_Profile *profile = mprofile.get_profile (j); // @@ We need to invoke a nonconst method on // . The content of profile/endpoint will not // be modified. TAO_Profile *pf = const_cast (profile); // Check all endpoints for address equality. if ((*i)->tag () == pf->tag ()) { // @note This can be a potentially expensive (O(n^2)) // operation if the below is_collocated() call // also executes a loop. for (TAO_Endpoint *endp = pf->endpoint (); endp != 0; endp = endp->next ()) { if ((*i)->is_collocated (endp)) { return 1; } } } } } return 0; } TAO_Acceptor* TAO_Acceptor_Registry::get_acceptor (CORBA::ULong tag) { TAO_AcceptorSetIterator end = this->end (); TAO_AcceptorSetIterator acceptor = this->begin (); for (; acceptor != end; ++acceptor) { if ((*acceptor)->tag () == tag) { return *acceptor; } } return 0; } int TAO_Acceptor_Registry::open (TAO_ORB_Core *orb_core, ACE_Reactor *reactor, const TAO_EndpointSet &endpoint_set, bool ignore_address) { if (endpoint_set.is_empty () // No endpoints were specified, we let each protocol pick its // own default. // All TAO pluggable protocols are expected to have the ability // to create a default endpoint. && this->open_default (orb_core, reactor, 0) == -1) { throw ::CORBA::INTERNAL ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, 0), CORBA::COMPLETED_NO); } // Count the maximum number of endpoints in the set. This will be // the maximum number of acceptors that need to be created. size_t acceptor_count = 0; TAO_EndpointSetIterator endpts (endpoint_set); for (ACE_CString *ep = 0; endpts.next (ep) != 0; endpts.advance ()) { const ACE_CString &iop = (*ep); // IOP://address1,address2 // ^ slot ACE_CString::size_type const slot = iop.find ("://", 0); if (slot == iop.npos) { if (TAO_debug_level > 0) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) Invalid endpoint ") ACE_TEXT ("specification: <%s>.\n"), ACE_TEXT_CHAR_TO_TCHAR (iop.c_str ()))); } throw ::CORBA::BAD_PARAM ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, EINVAL), CORBA::COMPLETED_NO); } ++acceptor_count; // We've got at least one acceptor so far. #if defined (ACE_WIN32) && defined (ACE_HAS_IPV6) // Since Win32 has single-stack IPv4/IPv6 we need an additional // acceptor if an iiop protocol without endpoints is specified // to open explicitly on IPv6 ANY *and* IPv4 ANY. // Now get the list of available protocol factories. const TAO_ProtocolFactorySetItor end = orb_core->protocol_factories ()->end (); // extract the protocol prefix const ACE_CString prefix (iop.substring (0, slot)); for (TAO_ProtocolFactorySetItor factory = orb_core->protocol_factories ()->begin (); factory != end; ++factory) { if ((*factory)->factory ()->match_prefix (prefix)) { if ((*factory)->factory ()->tag () == IOP::TAG_INTERNET_IOP) { // just add additional space to cover for possibility ++acceptor_count; } break; // we found the protocol, no need to go on } } #endif /* ACE_WIN32 && ACE_HAS_IPV6 */ // Now count the number of commas. That number will be the // remaining number of endpoints in the current endpoint // specification. const char *ep_end = ep->c_str () + ACE_OS::strlen (ep->c_str ()); for (const char *e = ACE_OS::strchr (ep->c_str (), ','); e != 0 && e != ep_end; e = ACE_OS::strchr (e, ',')) { ++acceptor_count; ++e; } } // The array containing the TAO_Acceptors will never contain more // than the number of endpoints stored in TAO_ORB_Parameters. if (this->acceptors_ == 0) { ACE_NEW_THROW_EX (this->acceptors_, TAO_Acceptor *[acceptor_count], CORBA::NO_MEMORY ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, ENOMEM), CORBA::COMPLETED_NO)); } TAO_EndpointSetIterator endpoints (endpoint_set); for (ACE_CString *endpoint = 0; endpoints.next (endpoint) != 0; endpoints.advance ()) { const ACE_CString &iop = (*endpoint); // IOP://address1,address2 // ^ slot ACE_CString::size_type const slot = iop.find ("://", 0); if (slot == iop.npos) { if (TAO_debug_level > 0) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P|%t) Invalid endpoint ") ACE_TEXT ("specification: <%s>.\n"), ACE_TEXT_CHAR_TO_TCHAR (iop.c_str ()))); } throw ::CORBA::BAD_PARAM ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, EINVAL), CORBA::COMPLETED_NO); } const ACE_CString prefix (iop.substring (0, slot)); // @@ We could move the protocol factory loop to the outermost // level but for now we leave it inside the endpoint loop // under the assumption that there will be more endpoints // than protocols. // Now get the list of available protocol factories. const TAO_ProtocolFactorySetItor end = orb_core->protocol_factories ()->end (); bool found = false; // If usable protocol (factory) is found then this will be // set equal to true. for (TAO_ProtocolFactorySetItor factory = orb_core->protocol_factories ()->begin (); factory != end; ++factory) { if ((*factory)->factory ()->match_prefix (prefix)) { // increment slot past the "://" (i.e. add 3) ACE_CString addrs = iop.substring (slot + 3); int const result = this->open_i (orb_core, reactor, addrs, factory, ignore_address); if (result != 0) { return -1; } found = true; // A usable protocol was found. } else { continue; } } if (found == false) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) ") ACE_TEXT ("no usable transport protocol ") ACE_TEXT ("was found.\n"))); throw ::CORBA::BAD_PARAM ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, EINVAL), CORBA::COMPLETED_NO); } } return 0; } // Iterate through the loaded transport protocols and create a default // server for each protocol. int TAO_Acceptor_Registry::open_default (TAO_ORB_Core *orb_core, ACE_Reactor *reactor, const char *options) { // Flag that indicates at least one endpoint was opened. If one // wasn't opened then there is a problem. bool opened_endpoint = false; #if defined (ACE_WIN32) && defined (ACE_HAS_IPV6) if (!orb_core->orb_params ()->connect_ipv6_only () && this->acceptors_ == 0) { // Since Win32 has single-stack IPv4/IPv6 we need an additional // acceptor to open explicitly on IPv6 ANY *and* IPv4 ANY. // This code takes care of that. TAO_ProtocolFactorySet *pfs = orb_core->protocol_factories (); // Number of acceptors to set up size_t acceptor_count = 0; const TAO_ProtocolFactorySetItor end = pfs->end (); // Loop through all the loaded protocols... for (TAO_ProtocolFactorySetItor i = pfs->begin (); i != end; ++i) { if (!(*i)->factory ()->requires_explicit_endpoint ()) { if ((*i)->factory ()->tag () == IOP::TAG_INTERNET_IOP) acceptor_count += 2; // IPv4 AND IPv6 endpoints else acceptor_count += 1; } } // Allocate TAO_Acceptor array ACE_NEW_RETURN (this->acceptors_, TAO_Acceptor *[acceptor_count], -1); // Loop through all the loaded protocols... for (TAO_ProtocolFactorySetItor i = pfs->begin (); i != end; ++i) { // If the protocol requires an explicit -ORBEndpoint option then // don't use it, otherwise open a default endpoint for that // protocol, this solves the problem with persistent endpoints // (such as UNIX domain rendesvouz points) that are not cleaned // up if the server crashes. if (!(*i)->factory ()->requires_explicit_endpoint ()) { // Make an acceptor TAO_Acceptor *acceptor = (*i)->factory ()->make_acceptor (); if (acceptor == 0) { if (TAO_debug_level > 0) { ACE_ERROR (( LM_ERROR, ACE_TEXT ("TAO (%P|%t) unable to create ") ACE_TEXT ("an acceptor for <%s>\n"), ACE_TEXT_CHAR_TO_TCHAR ((*i)-> protocol_name ().c_str ()) )); } return -1; } if ((*i)->factory ()->tag () == IOP::TAG_INTERNET_IOP) { // Open first acceptor on IPv4 ANY ACE_INET_Addr addr(static_cast (0)); TAO_IIOP_Acceptor* iiop_acceptor = dynamic_cast (acceptor); if (!iiop_acceptor) return -1; iiop_acceptor->set_default_address (addr); if (this->open_default_i (orb_core, reactor, TAO_DEF_GIOP_MAJOR, TAO_DEF_GIOP_MINOR, i, acceptor, options) != 0) { return -1; } // record the port chosen for the IPv4 acceptor u_short port = iiop_acceptor->default_address ().get_port_number (); // Create second acceptor for IPV6 traffic acceptor = (*i)->factory ()->make_acceptor (); if (acceptor == 0) { if (TAO_debug_level > 0) { ACE_ERROR (( LM_ERROR, ACE_TEXT ("TAO (%P|%t) unable to create ") ACE_TEXT ("an acceptor for <%s>\n"), ACE_TEXT_CHAR_TO_TCHAR ((*i)-> protocol_name ().c_str ()) )); } return -1; } if (ACE::ipv6_enabled() && addr.set (port, ACE_IPV6_ANY, 1, AF_INET6) == 0) { iiop_acceptor = dynamic_cast (acceptor); if (!iiop_acceptor) return -1; iiop_acceptor->set_default_address (addr); if (this->open_default_i (orb_core, reactor, TAO_DEF_GIOP_MAJOR, TAO_DEF_GIOP_MINOR, i, acceptor, options) != 0) { return -1; } } } else { if (this->open_default_i (orb_core, reactor, TAO_DEF_GIOP_MAJOR, TAO_DEF_GIOP_MINOR, i, acceptor, options) != 0) { return -1; } } opened_endpoint = true; } } } else { #endif /* ACE_WIN32 && ACE_HAS_IPV6 */ TAO_ProtocolFactorySet *pfs = orb_core->protocol_factories (); // If the TAO_Acceptor array is zero by the time we get here then no // endpoints were specified by the user, meaning that the number of // acceptors will never be more than the number of loaded protocols // in the ORB core. if (this->acceptors_ == 0) { ACE_NEW_RETURN (this->acceptors_, TAO_Acceptor *[pfs->size ()], -1); } const TAO_ProtocolFactorySetItor end = pfs->end (); // Loop through all the loaded protocols... for (TAO_ProtocolFactorySetItor i = pfs->begin (); i != end; ++i) { // If the protocol requires an explicit -ORBEndpoint option then // don't use it, otherwise open a default endpoint for that // protocol, this solves the problem with persistent endpoints // (such as UNIX domain rendesvouz points) that are not cleaned // up if the server crashes. if (!(*i)->factory ()->requires_explicit_endpoint ()) { if (this->open_default (orb_core, reactor, TAO_DEF_GIOP_MAJOR, // default major TAO_DEF_GIOP_MINOR, // default minor i, options) != 0) { return -1; } opened_endpoint = true; } } #if defined (ACE_WIN32) && defined (ACE_HAS_IPV6) } #endif /* ACE_WIN32) && ACE_HAS_IPV6 */ if (!opened_endpoint) { if (TAO_debug_level > 0) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) No default endpoints ") ACE_TEXT ("opened.\n") ACE_TEXT ("Please specify one or more using ") ACE_TEXT ("the \"-ORBListenEndpoints\" ") ACE_TEXT ("option.\n"))); } return -1; } return 0; } // Used when no endpoints were specified. Open a default server for // the indicated protocol. int TAO_Acceptor_Registry::open_default (TAO_ORB_Core *orb_core, ACE_Reactor *reactor, int major, int minor, TAO_ProtocolFactorySetItor &factory, const char *options) { // No endpoints were specified, we let each protocol pick its own // default endpoint. // Make an acceptor TAO_Acceptor *acceptor = (*factory)->factory ()->make_acceptor (); if (acceptor == 0) { if (TAO_debug_level > 0) { ACE_ERROR (( LM_ERROR, ACE_TEXT ("TAO (%P|%t) unable to create ") ACE_TEXT ("an acceptor for <%s>\n"), ACE_TEXT_CHAR_TO_TCHAR ((*factory)->protocol_name ().c_str ()) )); } return -1; } return this->open_default_i (orb_core, reactor, major, minor, factory, acceptor, options); } // Open a default server. int TAO_Acceptor_Registry::open_default_i (TAO_ORB_Core *orb_core, ACE_Reactor *reactor, int major, int minor, TAO_ProtocolFactorySetItor &factory, TAO_Acceptor* acceptor, const char *options) { // Initialize the acceptor to listen on a default endpoint. if (acceptor->open_default (orb_core, reactor, major, minor, options) == -1) { delete acceptor; if (TAO_debug_level > 0) { ACE_ERROR (( LM_ERROR, ACE_TEXT ("TAO (%P|%t) unable to open ") ACE_TEXT ("default acceptor for <%C>%p\n"), (*factory)->protocol_name ().c_str (), ACE_TEXT ("") )); } return -1; } this->acceptors_[this->size_++] = acceptor; return 0; } int TAO_Acceptor_Registry::close_all (void) { const TAO_AcceptorSetIterator end = this->end (); for (TAO_AcceptorSetIterator i = this->begin (); i != end; ++i) { if (*i != 0) { (*i)->close (); delete *i; } } this->size_ = 0; return 0; } void TAO_Acceptor_Registry::extract_endpoint_options (ACE_CString &addrs, ACE_CString &options, TAO_Protocol_Factory *factory) { ACE_CString::size_type const options_index = addrs.find (factory->options_delimiter ()); if (options_index == addrs.length () - 1) { // Get rid of trailing option delimiter. addrs = addrs.substring (0, addrs.length () - 1); } else if (options_index != ACE_CString::npos) { options = addrs.substring (options_index + 1); addrs = addrs.substring (0, options_index); } } void TAO_Acceptor_Registry::extract_endpoint_version (ACE_CString &address, int &major, int &minor) { // Check if an "N.n@" version prefix was // specified. major = TAO_DEF_GIOP_MAJOR; minor = TAO_DEF_GIOP_MINOR; if (ACE_OS::ace_isdigit (address[0]) && address[1] == '.' && ACE_OS::ace_isdigit (address[2]) && address[3] == '@') { major = address[0] - '0'; minor = address[2] - '0'; address = address.substring (4); } } int TAO_Acceptor_Registry::open_i (TAO_ORB_Core *orb_core, ACE_Reactor *reactor, ACE_CString &addrs, TAO_ProtocolFactorySetItor &factory, bool ignore_address) { ACE_CString options_tmp; this->extract_endpoint_options (addrs, options_tmp, (*factory)->factory ()); const char *options = 0; if (options_tmp.length () > 0) { options = options_tmp.c_str (); } char *last_addr = 0; ACE_Auto_Basic_Array_Ptr addr_str (addrs.rep ()); const char *astr = ACE_OS::strtok_r (addr_str.get (), ",", &last_addr); // Iterate over the addrs specified in the endpoint. do { // For the first time only through the loop, it is // possible for astr to be 0. This indicates that // the user is requesting the default endpoint for // the specified protocol. ACE_CString address (astr == 0 ? "" : astr); TAO_Acceptor *acceptor = (*factory)->factory ()->make_acceptor (); if (acceptor != 0) { // Extract the desired endpoint/protocol version if one // exists. int major = TAO_DEF_GIOP_MAJOR; int minor = TAO_DEF_GIOP_MINOR; this->extract_endpoint_version (address, major, minor); // Check for existence of endpoint. if (ignore_address || address.length () == 0) { // Protocol prefix was specified without any endpoints. // All TAO pluggable protocols are expected to have the // ability to create a default endpoint. #if defined (ACE_WIN32) && defined (ACE_HAS_IPV6) if ((*factory)->factory ()->tag () == IOP::TAG_INTERNET_IOP) { // Open first acceptor on IPv4 ANY ACE_INET_Addr addr(static_cast (0)); // IPv4 ANY TAO_IIOP_Acceptor* iiop_acceptor = dynamic_cast (acceptor); if (!iiop_acceptor) return -1; iiop_acceptor->set_default_address (addr); if (this->open_default_i (orb_core, reactor, major, minor, factory, acceptor, options) == 0) { // record the port chosen for the IPv4 acceptor u_short port = iiop_acceptor->default_address ().get_port_number (); // Create second acceptor for IPV6 traffic acceptor = (*factory)->factory ()->make_acceptor (); if (acceptor == 0) { if (TAO_debug_level > 0) { ACE_ERROR (( LM_ERROR, ACE_TEXT ("TAO (%P|%t) unable to create ") ACE_TEXT ("an acceptor for <%s>\n"), ACE_TEXT_CHAR_TO_TCHAR ((*factory)->protocol_name ().c_str ()) )); } throw ::CORBA::NO_MEMORY ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, ENOMEM), CORBA::COMPLETED_NO); } addr.set (port, ACE_IPV6_ANY, AF_INET6); // IPv6 ANY on specified port iiop_acceptor = dynamic_cast (acceptor); if (!iiop_acceptor) return -1; iiop_acceptor->set_default_address (addr); if (this->open_default_i (orb_core, reactor, major, minor, factory, acceptor, options) == 0) { continue; } } } else { if (this->open_default_i (orb_core, reactor, major, minor, factory, acceptor, options) == 0) { continue; } } // Could not open a default endpoint, nor an explicit // one. throw ::CORBA::INTERNAL ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, 0), CORBA::COMPLETED_NO); #else /* ACE_WIN32 && ACE_HAS_IPV6 */ if (this->open_default_i (orb_core, reactor, major, minor, factory, acceptor, options) == 0) continue; // Could not open a default endpoint, nor an explicit // one. else { throw ::CORBA::INTERNAL ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, 0), CORBA::COMPLETED_NO); } #endif /* !ACE_WIN32 || !ACE_HAS_IPV6 */ } // An explicit endpoint was provided. else if (acceptor->open (orb_core, reactor, major, minor, address.c_str (), options) == -1) { /* Need to save the errno value from the acceptor->open(), * because errno will get reset when we delete acceptor */ int const errno_value = errno; delete acceptor; if (TAO_debug_level > 0) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) ") ACE_TEXT ("unable to open acceptor ") ACE_TEXT ("for <%s>%p\n"), ACE_TEXT_CHAR_TO_TCHAR (address.c_str ()), ACE_TEXT (""))); } throw ::CORBA::BAD_PARAM ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, errno_value), CORBA::COMPLETED_NO); } // add acceptor to list this->acceptors_[this->size_++] = acceptor; } else { if (TAO_debug_level > 0) { ACE_ERROR ((LM_ERROR, ACE_TEXT ("TAO (%P|%t) unable to create ") ACE_TEXT ("an acceptor for <%s>.\n"), ACE_TEXT_CHAR_TO_TCHAR (address.c_str ()))); } throw ::CORBA::NO_MEMORY ( CORBA::SystemException::_tao_minor_code ( TAO_ACCEPTOR_REGISTRY_OPEN_LOCATION_CODE, ENOMEM), CORBA::COMPLETED_NO); } } while (astr != 0 && (astr = ACE_OS::strtok_r (0, ",", &last_addr)) != 0); return 0; } TAO_END_VERSIONED_NAMESPACE_DECL