#include "tao/Strategies/DIOP_Profile.h" #if defined (TAO_HAS_DIOP) && (TAO_HAS_DIOP != 0) #include "tao/CDR.h" #include "tao/SystemException.h" #include "tao/ORB.h" #include "tao/ORB_Core.h" #include "tao/debug.h" #include "tao/IIOP_EndpointsC.h" #include "ace/OS_NS_stdio.h" #include "ace/OS_NS_string.h" #include "ace/os_include/os_netdb.h" #include "ace/Truncate.h" #include static const char the_prefix[] = "diop"; TAO_BEGIN_VERSIONED_NAMESPACE_DECL const char TAO_DIOP_Profile::object_key_delimiter_ = '/'; char TAO_DIOP_Profile::object_key_delimiter (void) const { return TAO_DIOP_Profile::object_key_delimiter_; } TAO_DIOP_Profile::TAO_DIOP_Profile (const ACE_INET_Addr &addr, const TAO::ObjectKey &object_key, const TAO_GIOP_Message_Version &version, TAO_ORB_Core *orb_core) : TAO_Profile (TAO_TAG_DIOP_PROFILE, orb_core, object_key, version), endpoint_ (addr, orb_core->orb_params ()->use_dotted_decimal_addresses ()), count_ (1) { } TAO_DIOP_Profile::TAO_DIOP_Profile (const char* host, CORBA::UShort port, const TAO::ObjectKey &object_key, const ACE_INET_Addr &addr, const TAO_GIOP_Message_Version &version, TAO_ORB_Core *orb_core) : TAO_Profile (TAO_TAG_DIOP_PROFILE, orb_core, object_key, version), endpoint_ (host, port, addr), count_ (1) { } TAO_DIOP_Profile::TAO_DIOP_Profile (TAO_ORB_Core *orb_core) : TAO_Profile (TAO_TAG_DIOP_PROFILE, orb_core, TAO_GIOP_Message_Version (TAO_DEF_GIOP_MAJOR, TAO_DEF_GIOP_MINOR)), endpoint_ (), count_ (1) { } TAO_DIOP_Profile::~TAO_DIOP_Profile (void) { // Clean up the list of endpoints since we own it. // Skip the head, since it is not dynamically allocated. TAO_Endpoint *tmp = 0; for (TAO_Endpoint *next = this->endpoint ()->next (); next != 0; next = tmp) { tmp = next->next (); delete next; } } // return codes: // -1 -> error // 0 -> can't understand this version // 1 -> success. int TAO_DIOP_Profile::decode_profile (TAO_InputCDR& cdr) { // @@ NOTE: This code is repeated thrice. Need to factor out in a // better manner. // Decode host and port into the . if (cdr.read_string (this->endpoint_.host_.out ()) == 0 || cdr.read_ushort (this->endpoint_.port_) == 0) { if (TAO_debug_level > 0) TAOLIB_DEBUG ((LM_DEBUG, ACE_TEXT ("TAO (%P|%t) - DIOP_Profile::decode_profile, ") ACE_TEXT ("error while decoding host/port\n"))); return -1; } if (cdr.good_bit ()) { // Invalidate the object_addr_ until first access. this->endpoint_.object_addr_.set_type (-1); return 1; } return -1; } void TAO_DIOP_Profile::parse_string_i (const char *ior) { // Pull off the "hostname:port/" part of the objref // Copy the string because we are going to modify it... const char *okd = std::strchr (ior, this->object_key_delimiter_); if (okd == 0 || okd == ior) { // No object key delimiter or no hostname specified. throw ::CORBA::INV_OBJREF ( CORBA::SystemException::_tao_minor_code ( TAO::VMCID, EINVAL), CORBA::COMPLETED_NO); } // Length of host string. CORBA::ULong length_host = 0; const char *cp_pos = std::strchr (ior, ':'); // Look for a port #if defined (ACE_HAS_IPV6) // IPv6 numeric address in host string? bool ipv6_in_host = false; // Check if this is a (possibly) IPv6 supporting profile containing a // decimal IPv6 address representation. if ((this->version ().major > TAO_MIN_IPV6_IIOP_MAJOR || this->version ().minor >= TAO_MIN_IPV6_IIOP_MINOR) && ior[0] == '[') { // In this case we have to find the end of the numeric address and // start looking for the port separator from there. const char *cp_pos_a = std::strchr (ior, ']'); if (cp_pos_a == 0) { // No valid IPv6 address specified. if (TAO_debug_level > 0) { TAOLIB_DEBUG ((LM_ERROR, ACE_TEXT ("\nTAO (%P|%t) - DIOP_Profile::parse_string_i, ") ACE_TEXT ("invalid IPv6 decimal address specified.\n"))); } throw ::CORBA::INV_OBJREF ( CORBA::SystemException::_tao_minor_code ( 0, EINVAL), CORBA::COMPLETED_NO); } else { if (cp_pos_a[1] == ':') // Look for a port cp_pos = cp_pos_a + 1; else cp_pos = 0; ipv6_in_host = true; // host string contains full IPv6 numeric address } } #endif /* ACE_HAS_IPV6 */ if (cp_pos == ior) { if (TAO_debug_level > 0) { TAOLIB_ERROR ((LM_ERROR, ACE_TEXT ("\nTAO (%P|%t) DIOP_Profile: ") ACE_TEXT ("Host address may be omited only when no port has been specified.\n"))); } // No hostname specified! It is required by the spec. throw ::CORBA::INV_OBJREF ( CORBA::SystemException::_tao_minor_code ( TAO::VMCID, EINVAL), CORBA::COMPLETED_NO); } else if (cp_pos != 0) { // A port number or port name was specified. CORBA::ULong length_port = ACE_Utils::truncate_cast (okd - cp_pos - 1); CORBA::String_var tmp = CORBA::string_alloc (length_port); ACE_OS::strncpy (tmp.inout (), cp_pos + 1, length_port); tmp[length_port] = '\0'; if (ACE_OS::strspn (tmp.in (), "1234567890") == length_port) { this->endpoint_.port_ = static_cast (ACE_OS::atoi (tmp.in ())); } else { ACE_INET_Addr ia; if (ia.string_to_addr (tmp.in ()) == -1) { throw ::CORBA::INV_OBJREF ( CORBA::SystemException::_tao_minor_code ( 0, EINVAL), CORBA::COMPLETED_NO); } else { this->endpoint_.port_ = ia.get_port_number (); } } length_host = ACE_Utils::truncate_cast (cp_pos - ior); } else length_host = ACE_Utils::truncate_cast (okd - ior); #if defined (ACE_HAS_IPV6) if (ipv6_in_host) length_host -= 2; // don't store '[' and ']' #endif /* ACE_HAS_IPV6 */ CORBA::String_var tmp = CORBA::string_alloc (length_host); #if defined (ACE_HAS_IPV6) if (ipv6_in_host) ACE_OS::strncpy (tmp.inout (), ior + 1, length_host); else #endif /* ACE_HAS_IPV6 */ // Skip the trailing '/' ACE_OS::strncpy (tmp.inout (), ior, length_host); tmp[length_host] = '\0'; this->endpoint_.host_ = tmp._retn (); #if defined (ACE_HAS_IPV6) this->endpoint_.is_ipv6_decimal_ = ipv6_in_host; #endif /* ACE_HAS_IPV6 */ if (ACE_OS::strcmp (this->endpoint_.host_.in (), "") == 0) { ACE_INET_Addr host_addr; char tmp_host [MAXHOSTNAMELEN + 1]; // If no host is specified: assign the default host, i.e. the // local host. if (host_addr.get_host_name (tmp_host, sizeof (tmp_host)) != 0) { // Can't get the IP address since the INET_Addr wasn't // initialized. Just throw an exception. if (TAO_debug_level > 0) TAOLIB_DEBUG ((LM_DEBUG, ACE_TEXT ("TAO (%P|%t) - ") ACE_TEXT ("DIOP_Profile::parse_string_i, ") ACE_TEXT ("%p\n\n"), ACE_TEXT ("cannot determine hostname"))); // @@ What's the right exception to throw here? throw ::CORBA::INV_OBJREF ( CORBA::SystemException::_tao_minor_code ( TAO::VMCID, EINVAL), CORBA::COMPLETED_NO); } else this->endpoint_.host_ = CORBA::string_dup (tmp_host); } TAO::ObjectKey ok; TAO::ObjectKey::decode_string_to_sequence (ok, okd + 1); (void) this->orb_core ()->object_key_table ().bind (ok, this->ref_object_key_); } CORBA::Boolean TAO_DIOP_Profile::do_is_equivalent (const TAO_Profile *other_profile) { const TAO_DIOP_Profile *op = dynamic_cast (other_profile); // Make sure we have a TAO_DIOP_Profile. if (op == 0) return 0; // Check endpoints equivalence. const TAO_DIOP_Endpoint *other_endp = &op->endpoint_; for (TAO_DIOP_Endpoint *endp = &this->endpoint_; endp != 0; endp = endp->next_) { if (endp->is_equivalent (other_endp)) other_endp = other_endp->next_; else return false; } return true; } CORBA::ULong TAO_DIOP_Profile::hash (CORBA::ULong max) { // Get the hashvalue for all endpoints. CORBA::ULong hashval = 0; for (TAO_DIOP_Endpoint *endp = &this->endpoint_; endp != 0; endp = endp->next_) { hashval += endp->hash (); } hashval += this->version_.minor; hashval += this->tag (); const TAO::ObjectKey &ok = this->ref_object_key_->object_key (); if (ok.length () >= 4) { hashval += ok[1]; hashval += ok[3]; } hashval += this->hash_service_i (max); return hashval % max; } TAO_Endpoint* TAO_DIOP_Profile::endpoint (void) { return &this->endpoint_; } CORBA::ULong TAO_DIOP_Profile::endpoint_count (void) const { return this->count_; } void TAO_DIOP_Profile::add_endpoint (TAO_DIOP_Endpoint *endp) { endp->next_ = this->endpoint_.next_; this->endpoint_.next_ = endp; this->count_++; } char * TAO_DIOP_Profile::to_string (void) const { // corbaloc:diop:1.2@host:port,diop:1.2@host:port,.../key CORBA::String_var key; TAO::ObjectKey::encode_sequence_to_string (key.inout (), this->ref_object_key_->object_key ()); size_t buflen = ( 8 /* "corbaloc" */ + 1 /* colon separator */ + 1 /* object key separator */ + ACE_OS::strlen (key.in ())); size_t pfx_len = ( ACE_OS::strlen (::the_prefix) /* "diop" */ + 1 /* colon separator */); const TAO_DIOP_Endpoint *endp = 0; for (endp = &this->endpoint_; endp != 0; endp = endp->next_) { buflen += ( pfx_len + 1 /* major version */ + 1 /* decimal point */ + 1 /* minor version */ + 1 /* `@' character */ + ACE_OS::strlen (endp->host ()) + 1 /* colon separator */ + 5 /* port number */ + 1 /* comma */); #if defined (ACE_HAS_IPV6) if (endp->is_ipv6_decimal_) buflen += 2; // room for '[' and ']' #endif /* ACE_HAS_IPV6 */ } static const char digits [] = "0123456789"; char * buf = CORBA::string_alloc (static_cast (buflen)); ACE_OS::strcpy (buf, "corbaloc:"); for (endp = &this->endpoint_; endp != 0; endp = endp->next_) { if (&this->endpoint_ != endp) ACE_OS::strcat (buf, ","); #if defined (ACE_HAS_IPV6) if (endp->is_ipv6_decimal_) { // Don't publish scopeid if included. ACE_CString tmp (endp->host ()); ACE_CString::size_type pos = tmp.find ('%'); if (pos != ACE_CString::npos) { tmp = tmp.substr (0, pos + 1); tmp[pos] = '\0'; } ACE_OS::sprintf (buf + ACE_OS::strlen (buf), "%s:%c.%c@[%s]:%d", ::the_prefix, digits [this->version_.major], digits [this->version_.minor], tmp.c_str (), endp->port ()); } else #endif ACE_OS::sprintf (buf + ACE_OS::strlen (buf), "%s:%c.%c@%s:%d", ::the_prefix, digits [this->version_.major], digits [this->version_.minor], endp->host (), endp->port ()); } ACE_OS::sprintf (buf + ACE_OS::strlen (buf), "%c%s", this->object_key_delimiter_, key.in ()); return buf; } const char * TAO_DIOP_Profile::prefix (void) { return ::the_prefix; } void TAO_DIOP_Profile::create_profile_body (TAO_OutputCDR &encap) const { encap.write_octet (TAO_ENCAP_BYTE_ORDER); // The GIOP version encap.write_octet (this->version_.major); encap.write_octet (this->version_.minor); // STRING hostname from profile #if defined (ACE_HAS_IPV6) // For IPv6 decimal addresses make sure the possibly included scopeid // is not published as this has only local meaning. const char* host; const char* pos; if (this->endpoint_.is_ipv6_decimal_ && (pos = std::strchr (host = this->endpoint_.host (), '%')) != 0) { ACE_CString tmp; size_t len = pos - host; tmp.set (this->endpoint_.host (), len, 1); encap.write_string (tmp.c_str ()); } else #endif /* ACE_HAS_IPV6 */ encap.write_string (this->endpoint_.host ()); // UNSIGNED SHORT port number encap.write_ushort (this->endpoint_.port ()); // OCTET SEQUENCE for object key if (this->ref_object_key_) encap << this->ref_object_key_->object_key (); else { TAOLIB_ERROR ((LM_ERROR, "TAO (%P|%t) - DIOP_Profile::create_profile_body, " "no object key marshalled\n")); } if (this->version_.major > 1 || this->version_.minor > 0) this->tagged_components ().encode (encap); } int TAO_DIOP_Profile::encode_endpoints (void) { // Create a data structure and fill it with endpoint info for wire // transfer. // We include information for the head of the list // together with other endpoints because even though its addressing // info is transmitted using standard ProfileBody components, its // priority is not! TAO::IIOPEndpointSequence endpoints; endpoints.length (this->count_); const TAO_DIOP_Endpoint *endpoint = &this->endpoint_; for (CORBA::ULong i = 0; i < this->count_; ++i) { #if defined (ACE_HAS_IPV6) if (endpoint->is_ipv6_decimal_) { // Don't publish scopeid if included. ACE_CString tmp (endpoint->host ()); ACE_CString::size_type pos = tmp.find ('%'); if (pos != ACE_CString::npos) { tmp = tmp.substr (0, pos + 1); tmp[pos] = '\0'; endpoints[i].host = tmp.c_str (); } else endpoints[i].host = tmp.c_str (); } else #endif /* ACE_HAS_IPV6 */ endpoints[i].host = endpoint->host (); endpoints[i].port = endpoint->port (); endpoints[i].priority = endpoint->priority (); endpoint = endpoint->next_; } // Encode the data structure. TAO_OutputCDR out_cdr; if ((out_cdr << ACE_OutputCDR::from_boolean (TAO_ENCAP_BYTE_ORDER)) == 0 || (out_cdr << endpoints) == 0) return -1; this->set_tagged_components (out_cdr); return 0; } int TAO_DIOP_Profile::decode_endpoints (void) { IOP::TaggedComponent tagged_component; tagged_component.tag = TAO_TAG_ENDPOINTS; if (this->tagged_components_.get_component (tagged_component)) { const CORBA::Octet *buf = tagged_component.component_data.get_buffer (); TAO_InputCDR in_cdr (reinterpret_cast (buf), tagged_component.component_data.length ()); // Extract the Byte Order. CORBA::Boolean byte_order; if ((in_cdr >> ACE_InputCDR::to_boolean (byte_order)) == 0) return -1; in_cdr.reset_byte_order (static_cast (byte_order)); // Extract endpoints sequence. TAO::IIOPEndpointSequence endpoints; if (! (in_cdr >> endpoints)) return -1; // Get the priority of the first endpoint (head of the list. // It's other data is extracted as part of the standard profile // decoding. this->endpoint_.priority (endpoints[0].priority); // Use information extracted from the tagged component to // populate the profile. Skip the first endpoint, since it is // always extracted through standard profile body. Also, begin // from the end of the sequence to preserve endpoint order, // since method reverses the order of endpoints // in the list. for (CORBA::ULong i = endpoints.length () - 1; i > 0; --i) { TAO_DIOP_Endpoint *endpoint = 0; ACE_NEW_RETURN (endpoint, TAO_DIOP_Endpoint (endpoints[i].host, endpoints[i].port, endpoints[i].priority), -1); this->add_endpoint (endpoint); } } return 0; } TAO_END_VERSIONED_NAMESPACE_DECL #endif /* TAO_HAS_DIOP && TAO_HAS_DIOP != 0 */