// This may look like C, but it's really -*- C++ -*- // $Id$ #include "IIOP_Profile.h" #include "CDR.h" #include "Environment.h" #include "ORB.h" #include "ORB_Core.h" #include "debug.h" #include "iiop_endpoints.h" ACE_RCSID(TAO, IIOP_Profile, "$Id$") #if !defined (__ACE_INLINE__) # include "IIOP_Profile.i" #endif /* __ACE_INLINE__ */ static const char prefix_[] = "iiop"; const char TAO_IIOP_Profile::object_key_delimiter_ = '/'; char TAO_IIOP_Profile::object_key_delimiter (void) const { return TAO_IIOP_Profile::object_key_delimiter_; } TAO_IIOP_Profile::TAO_IIOP_Profile (const ACE_INET_Addr &addr, const TAO::ObjectKey &object_key, const TAO_GIOP_Message_Version &version, TAO_ORB_Core *orb_core) : TAO_Profile (IOP::TAG_INTERNET_IOP, orb_core, object_key, version), endpoint_ (addr, orb_core->orb_params ()->use_dotted_decimal_addresses ()), count_ (1) { } TAO_IIOP_Profile::TAO_IIOP_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 (IOP::TAG_INTERNET_IOP, orb_core, object_key, version), endpoint_ (host, port, addr), count_ (1) { } TAO_IIOP_Profile::TAO_IIOP_Profile (TAO_ORB_Core *orb_core) : TAO_Profile (IOP::TAG_INTERNET_IOP, orb_core, TAO_GIOP_Message_Version (TAO_DEF_GIOP_MAJOR, TAO_DEF_GIOP_MINOR)), endpoint_ (), count_ (1) { } TAO_IIOP_Profile::~TAO_IIOP_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; } } int TAO_IIOP_Profile::decode_profile (TAO_InputCDR& cdr) { // 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) ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("TAO (%P|%t) IIOP_Profile::decode - ") ACE_TEXT ("error while decoding host/port"))); 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_IIOP_Profile::parse_string_i (const char *ior ACE_ENV_ARG_DECL) { // Pull off the "hostname:port/" part of the objref // Copy the string because we are going to modify it... const char *okd = ACE_OS::strchr (ior, this->object_key_delimiter_); if (okd == 0 || okd == ior) { // No object key delimiter or no hostname specified. ACE_THROW (CORBA::INV_OBJREF ( CORBA::SystemException::_tao_minor_code ( TAO_DEFAULT_MINOR_CODE, EINVAL), CORBA::COMPLETED_NO)); } // Length of host string. CORBA::ULong length_host = 0; const char *cp_pos = ACE_OS::strchr (ior, ':'); // Look for a port if (cp_pos == ior) { // No hostname specified! It is required by the spec. ACE_THROW (CORBA::INV_OBJREF ( CORBA::SystemException::_tao_minor_code ( TAO_DEFAULT_MINOR_CODE, EINVAL), CORBA::COMPLETED_NO)); } else if (cp_pos != 0) { // A port number or port name was specified. CORBA::ULong length_port = 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'; this->endpoint_.port_ = ACE_static_cast (CORBA::UShort, ACE_OS::atoi (tmp.in ())); length_host = cp_pos - ior; } else length_host = okd - ior; CORBA::String_var tmp = CORBA::string_alloc (length_host); // Skip the trailing '/' ACE_OS::strncpy (tmp.inout (), ior, length_host); tmp[length_host] = '\0'; this->endpoint_.host_ = tmp._retn (); 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) ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("\n\nTAO (%P|%t) ") ACE_TEXT ("IIOP_Profile::parse_string ") ACE_TEXT ("- %p\n\n"), ACE_TEXT ("cannot determine hostname"))); // @@ What's the right exception to throw here? ACE_THROW (CORBA::INV_OBJREF ( CORBA::SystemException::_tao_minor_code ( TAO_DEFAULT_MINOR_CODE, 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_IIOP_Profile::is_equivalent (const TAO_Profile *other_profile) { if (other_profile->tag () != IOP::TAG_INTERNET_IOP) return 0; const TAO_IIOP_Profile *op = ACE_dynamic_cast (const TAO_IIOP_Profile *, other_profile); if (!(this->ref_object_key_->object_key () == op->ref_object_key_->object_key () && this->version_ == op->version_ && this->count_ == op->count_)) return 0; // Check endpoints equivalence. const TAO_IIOP_Endpoint *other_endp = &op->endpoint_; for (TAO_IIOP_Endpoint *endp = &this->endpoint_; endp != 0; endp = endp->next_) { if (endp->is_equivalent (other_endp)) other_endp = other_endp->next_; else return 0; } return 1; } CORBA::ULong TAO_IIOP_Profile::hash (CORBA::ULong max ACE_ENV_ARG_DECL_NOT_USED) { // Get the hash value for all endpoints. CORBA::ULong hashval = 0; for (TAO_IIOP_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]; } return hashval % max; } TAO_Endpoint* TAO_IIOP_Profile::endpoint (void) { return &this->endpoint_; } CORBA::ULong TAO_IIOP_Profile::endpoint_count (void) { return this->count_; } void TAO_IIOP_Profile::add_endpoint (TAO_IIOP_Endpoint *endp) { endp->next_ = this->endpoint_.next_; this->endpoint_.next_ = endp; this->count_++; } char * TAO_IIOP_Profile::to_string (ACE_ENV_SINGLE_ARG_DECL_NOT_USED) { 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 */ + ACE_OS::strlen (::prefix_) + 1 /* colon separator */ + 1 /* major version */ + 1 /* decimal point */ + 1 /* minor version */ + 1 /* `@' character */ + ACE_OS::strlen (this->endpoint_.host ()) + 1 /* colon separator */ + 5 /* port number */ + 1 /* object key separator */ + ACE_OS::strlen (key.in ())); char * buf = CORBA::string_alloc (ACE_static_cast (CORBA::ULong, buflen)); static const char digits [] = "0123456789"; ACE_OS::sprintf (buf, "corbaloc:%s:%c.%c@%s:%d%c%s", ::prefix_, digits [this->version_.major], digits [this->version_.minor], this->endpoint_.host (), this->endpoint_.port (), this->object_key_delimiter_, key.in ()); return buf; } const char * TAO_IIOP_Profile::prefix (void) { return ::prefix_; } void TAO_IIOP_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 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 { ACE_ERROR ((LM_ERROR, "(%P|%t) TAO - IIOP_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_IIOP_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_IIOP_Endpoint *endpoint = &this->endpoint_; for (CORBA::ULong i = 0; i < this->count_; ++i) { 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_IIOP_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 (ACE_reinterpret_cast (const char*, 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 (ACE_static_cast(int, byte_order)); // Extract endpoints sequence. TAO_IIOPEndpointSequence endpoints; if ((in_cdr >> endpoints) == 0) 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_IIOP_Endpoint *endpoint = 0; ACE_NEW_RETURN (endpoint, TAO_IIOP_Endpoint (endpoints[i].host, endpoints[i].port, endpoints[i].priority), -1); this->add_endpoint (endpoint); } } return 0; }