diff options
Diffstat (limited to 'TAO/tao/Strategies/COIOP_Profile.cpp')
-rw-r--r-- | TAO/tao/Strategies/COIOP_Profile.cpp | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/TAO/tao/Strategies/COIOP_Profile.cpp b/TAO/tao/Strategies/COIOP_Profile.cpp new file mode 100644 index 00000000000..5357ad8203f --- /dev/null +++ b/TAO/tao/Strategies/COIOP_Profile.cpp @@ -0,0 +1,397 @@ +// $Id$ + +#include "tao/Strategies/COIOP_Profile.h" + +#if defined (TAO_HAS_COIOP) && (TAO_HAS_COIOP != 0) + +#include "tao/CDR.h" +#include "tao/Environment.h" +#include "tao/ORB.h" +#include "tao/ORB_Core.h" +#include "tao/debug.h" +#include "tao/Strategies/COIOP_EndpointsC.h" + +#include "ace/OS_NS_stdio.h" +#include "ace/OS_NS_string.h" + +ACE_RCSID (Strategies, + COIOP_Profile, + "$Id$") + +static const char the_prefix[] = "niop"; + +TAO_BEGIN_VERSIONED_NAMESPACE_DECL + +const char TAO_COIOP_Profile::object_key_delimiter_ = '/'; + +char +TAO_COIOP_Profile::object_key_delimiter (void) const +{ + return TAO_COIOP_Profile::object_key_delimiter_; +} + +TAO_COIOP_Profile::TAO_COIOP_Profile (const ACE_Utils::UUID& uuid, + const TAO::ObjectKey &object_key, + const TAO_GIOP_Message_Version &version, + TAO_ORB_Core *orb_core) + : TAO_Profile (TAO_TAG_COIOP_PROFILE, + orb_core, + object_key, + version), + endpoint_ (uuid), + count_ (1) +{ +} + +TAO_COIOP_Profile::TAO_COIOP_Profile (TAO_ORB_Core *orb_core) + : TAO_Profile (TAO_TAG_COIOP_PROFILE, + orb_core, + TAO_GIOP_Message_Version (TAO_DEF_GIOP_MAJOR, TAO_DEF_GIOP_MINOR)), + endpoint_ (), + count_ (1) +{ +} + +TAO_COIOP_Profile::~TAO_COIOP_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_COIOP_Profile::decode_profile (TAO_InputCDR& cdr) +{ + // @@ NOTE: This code is repeated thrice. Need to factor out in a + // better manner. + // Decode uuid into the <endpoint_>. + CORBA::String_var uuid; + if (cdr.read_string (uuid.out ()) == 0) + { + if (TAO_debug_level > 0) + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("TAO (%P|%t) COIOP_Profile::decode - ") + ACE_TEXT ("error while uuid"))); + return -1; + } + + if (cdr.good_bit ()) + { + this->endpoint_.uuid_.from_string (uuid.in()); + + return 1; + } + + return -1; +} + +void +TAO_COIOP_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::VMCID, + EINVAL), + CORBA::COMPLETED_NO)); + } + + // Length of host string. + CORBA::ULong 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_.uuid_.from_string (tmp._retn ()); + + 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_COIOP_Profile::do_is_equivalent (const TAO_Profile *other_profile) +{ + const TAO_COIOP_Profile *op = + dynamic_cast<const TAO_COIOP_Profile *> (other_profile); + + // Check endpoints equivalence. + const TAO_COIOP_Endpoint *other_endp = &op->endpoint_; + for (TAO_COIOP_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_COIOP_Profile::hash (CORBA::ULong max + ACE_ENV_ARG_DECL_NOT_USED) +{ + // Get the hashvalue for all endpoints. + CORBA::ULong hashval = 0; + for (TAO_COIOP_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_COIOP_Profile::endpoint (void) +{ + return &this->endpoint_; +} + +CORBA::ULong +TAO_COIOP_Profile::endpoint_count (void) const +{ + return this->count_; +} + +void +TAO_COIOP_Profile::add_endpoint (TAO_COIOP_Endpoint *endp) +{ + endp->next_ = this->endpoint_.next_; + this->endpoint_.next_ = endp; + + this->count_++; +} + +char * +TAO_COIOP_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 ()); + + const ACE_CString * uuidstr = this->endpoint_.uuid_.to_string (); + size_t buflen = (8 /* "corbaloc" */ + + 1 /* colon separator */ + + ACE_OS::strlen (::the_prefix) + + 1 /* colon separator */ + + 1 /* major version */ + + 1 /* decimal point */ + + 1 /* minor version */ + + 1 /* `@' character */ + + uuidstr->length() + + 1 /* colon separator */ + + 5 /* port number */ + + 1 /* object key separator */ + + ACE_OS::strlen (key.in ())); + + char * buf = CORBA::string_alloc (static_cast<CORBA::ULong> (buflen)); + + static const char digits [] = "0123456789"; + + ACE_OS::sprintf (buf, + "corbaloc:%s:%c.%c@%s%c%s", + ::the_prefix, + digits [this->version_.major], + digits [this->version_.minor], + uuidstr->c_str (), + this->object_key_delimiter_, + key.in ()); + + return buf; +} + +const char * +TAO_COIOP_Profile::prefix (void) +{ + return ::the_prefix; +} + +void +TAO_COIOP_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 + const ACE_CString * uuid_str = this->endpoint_.uuid_.to_string(); + encap.write_string (uuid_str->c_str ()); + + // 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 - COIOP_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_COIOP_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::COIOPEndpointSequence endpoints; + endpoints.length (this->count_); + + const TAO_COIOP_Endpoint *endpoint = &this->endpoint_; + for (CORBA::ULong i = 0; + i < this->count_; + ++i) + { + const ACE_CString* uuidstr = endpoint->uuid_.to_string(); + CORBA::String_var uuid (uuidstr->c_str()); + endpoints[i].uuid = uuid; + 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; + size_t length = out_cdr.total_length (); + + IOP::TaggedComponent tagged_component; + tagged_component.tag = TAO_TAG_ENDPOINTS; + tagged_component.component_data.length (static_cast<CORBA::ULong> (length)); + CORBA::Octet *buf = + tagged_component.component_data.get_buffer (); + + for (const ACE_Message_Block *iterator = out_cdr.begin (); + iterator != 0; + iterator = iterator->cont ()) + { + size_t i_length = iterator->length (); + ACE_OS::memcpy (buf, iterator->rd_ptr (), i_length); + + buf += i_length; + } + + // Add component with encoded endpoint data to this profile's + // TaggedComponents. + tagged_components_.set_component (tagged_component); + + return 0; +} + +int +TAO_COIOP_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<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 (static_cast<int> (byte_order)); + + // Extract endpoints sequence. + TAO::COIOPEndpointSequence 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 <add_endpoint> method reverses the order of endpoints + // in the list. + for (CORBA::ULong i = endpoints.length () - 1; + i > 0; + --i) + { + TAO_COIOP_Endpoint *endpoint = 0; + CORBA::String_var strvar = CORBA::string_dup (endpoints[i].uuid); + ACE_Utils::UUID uuid1 (strvar.in()); + ACE_NEW_RETURN (endpoint, + TAO_COIOP_Endpoint (uuid1), + -1); + + this->add_endpoint (endpoint); + } + } + + return 0; +} + +TAO_END_VERSIONED_NAMESPACE_DECL + +#endif /* TAO_HAS_COIOP && TAO_HAS_COIOP != 0 */ |