diff options
author | nobody <nobody@ae88bc3d-4319-0410-8dbf-d08b4c9d3795> | 1999-03-22 02:46:16 +0000 |
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committer | nobody <nobody@ae88bc3d-4319-0410-8dbf-d08b4c9d3795> | 1999-03-22 02:46:16 +0000 |
commit | 7ad2f2d9de1804cb46748b64925ec8cea997eceb (patch) | |
tree | 2c396e5724b79b5ebf31e997e3db8261837d6006 /TAO/tao/encode.cpp | |
parent | e26ededdc22631b92ffeb64c60cabf142be89bc0 (diff) | |
download | ATCD-7ad2f2d9de1804cb46748b64925ec8cea997eceb.tar.gz |
This commit was manufactured by cvs2svn to create tag 'ACE-4_6_30'.ACE-4_6_30
Diffstat (limited to 'TAO/tao/encode.cpp')
-rw-r--r-- | TAO/tao/encode.cpp | 1280 |
1 files changed, 0 insertions, 1280 deletions
diff --git a/TAO/tao/encode.cpp b/TAO/tao/encode.cpp deleted file mode 100644 index 883977206d3..00000000000 --- a/TAO/tao/encode.cpp +++ /dev/null @@ -1,1280 +0,0 @@ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// TAO -// -// = FILENAME -// encode.cpp -// -// = DESCRIPTION -// Code for encoding different data types -// -// The original code had a single static encoder function defined on -// the CDR class that called traverse to interpret the data types. -// This version defines a virtual method "encode" on each class and -// avoids calling traverse. -// -// = AUTHOR -// Copyright 1994-1995 by Sun Microsystems Inc. -// and Aniruddha Gokhale -// -// ============================================================================ - -#include "tao/Marshal.h" -#include "tao/CDR.h" -#include "tao/Environment.h" -#include "tao/Any.h" -#include "tao/Object.h" -#include "tao/Stub.h" -#include "tao/Principal.h" -#include "tao/varout.h" -#include "tao/Union.h" -#include "tao/debug.h" - -ACE_RCSID(tao, encode, "$Id$") - -// Encode instances of arbitrary data types based only on typecode. -// "data" points to the data type; if it's not a primitve data type, -// the TypeCode interpreter is used to recursively encode its -// components. "context" is the marshaling stream on which to encode -// the data value. - -CORBA::TypeCode::traverse_status -TAO_Marshal_Primitive::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - CORBA::Boolean continue_encoding = 1; - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - CORBA::TypeCode::traverse_status retval = - CORBA::TypeCode::TRAVERSE_CONTINUE; // status of encode operation - - switch (tc->kind_) - { - case CORBA::tk_null: - case CORBA::tk_void: - break; - case CORBA::tk_short: - case CORBA::tk_ushort: - continue_encoding = stream->write_short (*(CORBA::Short *) data); - break; - case CORBA::tk_long: - case CORBA::tk_ulong: - case CORBA::tk_float: - case CORBA::tk_enum: - continue_encoding = stream->write_long (*(CORBA::Long *) data); - break; - case CORBA::tk_double: - case CORBA::tk_longlong: - case CORBA::tk_ulonglong: - continue_encoding = stream->write_longlong (*(CORBA::LongLong *) data); - break; - case CORBA::tk_boolean: - continue_encoding = stream->write_boolean (*(CORBA::Boolean *) data); - break; - case CORBA::tk_char: - case CORBA::tk_octet: - continue_encoding = stream->write_char (*(CORBA::Char *) data); - break; - case CORBA::tk_longdouble: - continue_encoding = stream->write_longdouble (*(CORBA::LongDouble *) data); - break; - case CORBA::tk_wchar: - continue_encoding = stream->write_wchar (*(CORBA::WChar *) data); - break; - default: - retval = CORBA::TypeCode::TRAVERSE_STOP; - // we are not a primitive type - } - - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE - && continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - else - { - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "TAO_Marshal_Primitive::encode detected error\n")); - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } -} - -CORBA::TypeCode::traverse_status -TAO_Marshal_Any::encode (CORBA::TypeCode_ptr, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - CORBA::Any *any = (CORBA::Any *) data; - - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - - // Status of encode operation - CORBA::TypeCode::traverse_status retval = - CORBA::TypeCode::TRAVERSE_CONTINUE; - - // Typecode of the element that makes the Any. - CORBA::TypeCode_ptr elem_tc = any->type_; - - // Encode the typecode description for the element. - retval = stream->encode (CORBA::_tc_TypeCode, &elem_tc, 0, env); - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - { - // if the any owns the data, then the value is a CDR stream and - // we simply append the CDR stream - // The only exception is when the TypeCode is a tk_null, them - // both cdr_ and value_ are 0. - if (any->cdr_ != 0) - { - TAO_InputCDR in_strm (any->cdr_); - retval = stream->append (elem_tc, &in_strm, env); - } - else if (any->value_ != 0) - { - // encode the value - retval = stream->encode (elem_tc, any->value_, 0, env); - } - } - - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - else - { - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "TAO_Marshal_Any::encode detected error\n")); - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } -} - -CORBA::TypeCode::traverse_status -TAO_Marshal_TypeCode::encode (CORBA::TypeCode_ptr, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - CORBA::Boolean continue_encoding = 1; - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - CORBA::TypeCode_ptr tc2; // typecode to be encoded - - tc2 = *(CORBA::TypeCode_ptr *) data; // the data has to be a TypeCode_ptr - - // encode the "kind" field of the typecode - continue_encoding = stream->write_ulong ((CORBA::ULong) tc2->kind_); - if (continue_encoding == 1) - { - // now encode the parameters, if any - switch (tc2->kind_) - { - // Most TypeCodes have empty parameter lists - default: - break; - - // A few have "simple" parameter lists - case CORBA::tk_string: - case CORBA::tk_wstring: - continue_encoding = stream->write_ulong (tc2->length (env)); - break; - - // Indirected typecodes can't occur at "top level" like - // this, only nested inside others! - case ~0u: - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "indirected typecode at top level!\n")); - continue_encoding = 0; - break; - - // The rest have "complex" parameter lists that are - // already encoded as bulk octets ... put length, then - // octets. - case CORBA::tk_objref: - case CORBA::tk_struct: - case CORBA::tk_union: - case CORBA::tk_enum: - case CORBA::tk_sequence: - case CORBA::tk_array: - case CORBA::tk_alias: - case CORBA::tk_except: - { - // simply encode the encapsulation - continue_encoding = stream->write_ulong (tc2->length_); - continue_encoding = continue_encoding - && stream->write_octet_array ((CORBA::Octet*)tc2->buffer_, tc2->length_); - } - } - } - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - else - { - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "TAO_Marshal_TypeCode::encode detected error\n")); - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } -} - -// encode Principal -CORBA::TypeCode::traverse_status -TAO_Marshal_Principal::encode (CORBA::TypeCode_ptr, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - - CORBA::Principal_ptr p = *(CORBA::Principal_ptr *) data; - - if ((*stream << p) == 0) - { - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } - return CORBA::TypeCode::TRAVERSE_CONTINUE; -} - -// encode obj ref -CORBA::TypeCode::traverse_status -TAO_Marshal_ObjRef::encode (CORBA::TypeCode_ptr, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - - // Current version: objref is really an STUB_Object. - // @@ But, it need not be. All IIOP specific processing has - // been move to the specific transport profile class! - // - // XXX this doesn't actually verify that the stuff got written - // OK to the "wire" ... - // @@ Seems to break here! - CORBA::Object_ptr obj = *(CORBA::Object_ptr *) data; - - if ((*stream << obj) == 0) - { - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } - return CORBA::TypeCode::TRAVERSE_CONTINUE; -} - -// encode structs -CORBA::TypeCode::traverse_status -TAO_Marshal_Struct::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - CORBA::TypeCode::traverse_status retval = CORBA::TypeCode::TRAVERSE_CONTINUE; - CORBA::Boolean continue_encoding = 1; - CORBA::TypeCode_ptr param; - CORBA::Long size, alignment, align_offset; - - void *start_addr = (void *)data; - - if (env.exception () == 0) - { - int member_count = tc->member_count (env); - - for (int i = 0; - i < member_count && retval == CORBA::TypeCode::TRAVERSE_CONTINUE - && continue_encoding == 1; - i++) - { - param = tc->member_type (i, env); - if (env.exception () == 0) - { - size = param->size (env); - if (env.exception () == 0) - { - alignment = param->alignment (env); - if (env.exception () == 0) - { - align_offset = - (ptr_arith_t) ptr_align_binary (data, alignment) - - (ptr_arith_t) data - + (ptr_arith_t) ptr_align_binary (start_addr, alignment) - - (ptr_arith_t) start_addr; - // if both the start_addr and data are not aligned as per - // the alignment, we do not add the offset - data = (const void *) ((ptr_arith_t) data + - ((align_offset == alignment) ? - 0 : align_offset)); - switch (param->kind_) - { - case CORBA::tk_null: - case CORBA::tk_void: - break; - case CORBA::tk_short: - case CORBA::tk_ushort: - continue_encoding = stream->write_short (*(CORBA::Short *) data); - break; - case CORBA::tk_long: - case CORBA::tk_ulong: - case CORBA::tk_float: - case CORBA::tk_enum: - continue_encoding = stream->write_long (*(CORBA::Long *) data); - break; - case CORBA::tk_double: - case CORBA::tk_longlong: - case CORBA::tk_ulonglong: - continue_encoding = stream->write_longlong (*(CORBA::LongLong *) data); - break; - case CORBA::tk_boolean: - continue_encoding = stream->write_boolean (*(CORBA::Boolean *) data); - break; - case CORBA::tk_char: - case CORBA::tk_octet: - continue_encoding = stream->write_char (*(CORBA::Char *) data); - break; - case CORBA::tk_longdouble: - continue_encoding = stream->write_longdouble (*(CORBA::LongDouble *) data); - break; - case CORBA::tk_wchar: - continue_encoding = stream->write_wchar (*(CORBA::WChar *) data); - break; - case CORBA::tk_any: - case CORBA::tk_Principal: - case CORBA::tk_struct: - case CORBA::tk_union: - case CORBA::tk_sequence: - case CORBA::tk_array: - case CORBA::tk_alias: - case CORBA::tk_except: - case CORBA::tk_string: - case CORBA::tk_wstring: - case CORBA::tk_TypeCode: - retval = stream->encode (param, data, 0, env); - break; - - case CORBA::tk_objref: - { - // we know that the object pointer is stored in a - // TAO_Object_Field_T parametrized type - TAO_Object_Field_T<CORBA_Object>* field = - ACE_reinterpret_cast (TAO_Object_Field_T<CORBA_Object> *, - ACE_const_cast (void *, data)); - CORBA::Object_ptr ptr = field->_upcast (); - retval = stream->encode (param, &ptr, 0, env); - } - break; - - default: - break; - } - data = (char *) data + size; - } - else - return CORBA::TypeCode::TRAVERSE_STOP; - } - else - return CORBA::TypeCode::TRAVERSE_STOP; - } - else - return CORBA::TypeCode::TRAVERSE_STOP; - } - } - else - return CORBA::TypeCode::TRAVERSE_STOP; - - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE - && continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - else - { - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "TAO_Marshal_Struct::encode detected error\n")); - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } -} - -// encode unions -CORBA::TypeCode::traverse_status -TAO_Marshal_Union::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *data2, - void *context, - CORBA::Environment &env) -{ - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - - CORBA::TypeCode_ptr discrim_tc = tc->discriminator_type (env); - // get the discriminator type - - if (env.exception () == 0) - { - CORBA::TypeCode_ptr member_tc; - CORBA::Any_ptr member_label; - CORBA::ULong discrim_size_with_pad; - const void *discrim_val; - CORBA::ULong member_count; - CORBA::Long default_index; - CORBA::TypeCode_ptr default_tc = 0; - CORBA::Boolean discrim_matched = 0; - - TAO_Base_Union *base_union = (TAO_Base_Union *)data; - void *member_val; - - // encode the discriminator value - discrim_val = base_union->_discriminant (); - CORBA::TypeCode::traverse_status retval = - stream->encode (discrim_tc, discrim_val, data2, env); - - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - { - discrim_size_with_pad = tc->TAO_discrim_pad_size (env); - if (env.exception () == 0) - { - // move the pointer to point to the actual value - data = (char *) data + discrim_size_with_pad; - data2 = (char *) data2 + discrim_size_with_pad; - // now get ready to marshal the actual union value - default_index = tc->default_index (env); - if (env.exception () == 0) - { - // get the member count - member_count = tc->member_count (env); - if (env.exception () == 0) - { - // Check which label value matches with the - // discriminator value. Accordingly, marshal the - // corresponding member_type. If none match, - // check if default exists and marshal - // accordingly. Otherwise it is an error. - for (int i = 0; member_count-- != 0; i++) - { - member_label = tc->member_label (i, env); - if (env.exception () == 0) - { - // do the matching - CORBA::TypeCode_var type = member_label->type (); - switch (type->kind (env)) - { - case CORBA::tk_short: - { - CORBA::Short s; - *member_label >>= s; - if (s == *(CORBA::Short *) discrim_val) - discrim_matched = 1; - } - break; - case CORBA::tk_ushort: - { - CORBA::UShort s; - *member_label >>= s; - if (s == *(CORBA::UShort *) discrim_val) - discrim_matched = 1; - } - break; - case CORBA::tk_long: - { - CORBA::Long l; - *member_label >>= l; - if (l == *(CORBA::Long *) discrim_val) - discrim_matched = 1; - } - break; - case CORBA::tk_ulong: - { - CORBA::ULong l; - *member_label >>= l; - if (l == *(CORBA::ULong *) discrim_val) - discrim_matched = 1; - } - break; - case CORBA::tk_enum: - { - CORBA::Long l; - TAO_InputCDR stream ((ACE_Message_Block *) - member_label->_tao_get_cdr ()); - (void)stream.decode (discrim_tc, &l, 0, env); - if (l == *(CORBA::Long *) discrim_val) - discrim_matched = 1; - } - break; - case CORBA::tk_char: - { - CORBA::Char c; - *member_label >>= CORBA::Any::to_char (c); - if (c == *(CORBA::Char *) discrim_val) - discrim_matched = 1; - } - break; - case CORBA::tk_wchar: - // @@ ASG TO-DO - if (*(CORBA::WChar *) member_label->value () == *(CORBA::WChar *) discrim_val) - discrim_matched = 1; - break; - case CORBA::tk_boolean: - { - CORBA::Boolean b; - *member_label >>= CORBA::Any::to_boolean (b); - if (b == *(CORBA::Boolean *) discrim_val) - discrim_matched = 1; - } - break; - - default: - env.exception (new CORBA::BAD_TYPECODE (CORBA::COMPLETED_NO)); - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "Union::encode - " - "Bad discriminant type\n")); - return CORBA::TypeCode::TRAVERSE_STOP; - }// end of switch - - // get the member typecode - member_tc = tc->member_type (i, env); - if (env.exception () == 0) - { - if (default_index >= 0 && default_index-- == 0) - { - // have we reached the default label?, if so, - // save a handle to the typecode for the default - default_tc = member_tc; - } - if (discrim_matched) - { - member_val = base_union->_access (0); - // marshal according to the matched typecode - return stream->encode (member_tc, member_val, - data2, env); - } - } - else // error getting member type - { - env.exception (new CORBA::BAD_TYPECODE (CORBA::COMPLETED_NO)); - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "Union::encode - error " - "getting member type:%d\n", - i)); - return CORBA::TypeCode::TRAVERSE_STOP; - } - - } - else // error getting member label - { - env.exception (new CORBA::BAD_TYPECODE (CORBA::COMPLETED_NO)); - ACE_DEBUG ((LM_DEBUG, - "Union::encode - error " - "member label : %d\n", i)); - return CORBA::TypeCode::TRAVERSE_STOP; - } - } // end of while - // we are here only if there was no match - if (default_tc) - { - member_val = base_union->_access (0); - return stream->encode (default_tc, member_val, data2, env); - } - else - { - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_NO)); - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "Union::encode - failed. " - "No match and no default case\n")); - return CORBA::TypeCode::TRAVERSE_STOP; - } - } - else // error getting member count - { - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_NO)); - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "Union::encode - error getting " - "member count\n")); - return CORBA::TypeCode::TRAVERSE_STOP; - } - } - else // error getting default index - { - env.exception (new CORBA::BAD_TYPECODE (CORBA::COMPLETED_NO)); - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "Union::encode - error getting " - "default used\n")); - return CORBA::TypeCode::TRAVERSE_STOP; - } - } - else // error getting discrim_pad_size - { - env.exception (new CORBA::BAD_TYPECODE (CORBA::COMPLETED_NO)); - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "Union::encode - error getting " - "discrim padded size\n")); - return CORBA::TypeCode::TRAVERSE_STOP; - } - } - else // error encoding discriminant - { - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "Union::encode - error encoding discriminant\n")); - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } - } - else // error getting the discriminant - { - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "Union::encode - error getting " - "the discriminant typecode\n")); - env.exception (new CORBA::BAD_TYPECODE (CORBA::COMPLETED_NO)); - return CORBA::TypeCode::TRAVERSE_STOP; - } -} - -// encode string -CORBA::TypeCode::traverse_status -TAO_Marshal_String::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - CORBA::String str = *(CORBA::String *) data; - - // Verify string satisfies bounds requirements. We're not so - // permissive as to send messages violating the interface spec - // by having excessively long strings! - CORBA::ULong bounds = tc->length (env); - if (str != 0) - { - CORBA::ULong length = ACE_OS::strlen (str); - if (bounds == 0 || bounds >= length) - if (stream->write_string (length, str)) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - } - else - { - if (stream->write_string (0, 0)) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - } - return CORBA::TypeCode::TRAVERSE_STOP; -} - -// encode sequence -CORBA::TypeCode::traverse_status -TAO_Marshal_Sequence::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - CORBA::Boolean continue_encoding = 1; - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - TAO_Base_Sequence *seq = (TAO_Base_Sequence *)data; - CORBA::TypeCode::traverse_status retval = - CORBA::TypeCode::TRAVERSE_CONTINUE; // return status - CORBA::TypeCode_ptr tc2; // typecode of the element - size_t size; // size of element - CORBA::ULong len = seq ? seq->length_ : 0; - char *value; - - // First marshal the sequence length, verifying that it's within the - // sequence bounds ... - - if (len > 0) - { - // retrieve the bounds of the sequence - CORBA::ULong bounds = tc->length (env); - if (env.exception () == 0) - { - // encode only if it is an unbounded sequence or if length is - // less/equal to the bounds - if (bounds == 0 || len <= bounds) - { - // We just encode the current elements in the sequence - bounds = len; - continue_encoding = stream->write_ulong (bounds); - if (continue_encoding && bounds != 0) - { - // get element typecode - tc2 = tc->content_type (env); - if (env.exception () == 0) - { - size = tc2->size (env); - if (env.exception () == 0) - { - value = (char *) seq->buffer_; - switch (tc2->kind_) - { - case CORBA::tk_null: - case CORBA::tk_void: - return CORBA::TypeCode::TRAVERSE_CONTINUE; - - case CORBA::tk_short: - case CORBA::tk_ushort: - continue_encoding = continue_encoding && - stream->write_short_array - ((CORBA::Short*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_long: - case CORBA::tk_ulong: - case CORBA::tk_float: - case CORBA::tk_enum: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_long_array - ((CORBA::Long*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_double: - case CORBA::tk_longlong: - case CORBA::tk_ulonglong: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_longlong_array - ((CORBA::LongLong*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_boolean: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_boolean_array - ((CORBA::Boolean*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_char: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_char_array - ((CORBA::Char*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_octet: -#if !defined (TAO_NO_COPY_OCTET_SEQUENCES) - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_octet_array - ((CORBA::Octet*)value, bounds); -#else - { - TAO_Unbounded_Sequence<CORBA::Octet> *oseq = - ACE_dynamic_cast(TAO_Unbounded_Sequence<CORBA::Octet>*,seq); - if (oseq->mb_ == 0) - { - continue_encoding = continue_encoding && - stream->write_octet_array - ((CORBA::Octet*)value, bounds); - } - else - { - continue_encoding = continue_encoding && - stream->write_octet_array_mb (oseq->mb ()); - } - } -#endif /* TAO_NO_COPY_OCTET_SEQUENCES */ - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_longdouble: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_longdouble_array - ((CORBA::LongDouble*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_wchar: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_wchar_array - ((CORBA::WChar*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - // handle all aggregate types here - - case CORBA::tk_any: - case CORBA::tk_TypeCode: - case CORBA::tk_Principal: - case CORBA::tk_struct: - case CORBA::tk_union: - case CORBA::tk_string: - case CORBA::tk_sequence: - case CORBA::tk_array: - case CORBA::tk_alias: - case CORBA::tk_except: - case CORBA::tk_wstring: - // For those aggregate types whose size - // is constant, we compute it only once - while (bounds-- && retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - { - retval = stream->encode (tc2, value, 0, env); - value += size; - } - // CORBA::release (tc2); - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_objref: - { - size = sizeof (CORBA_Object_ptr); - while (bounds-- && - retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - { - CORBA_Object_ptr ptr = - seq->_upcast (value); - retval = stream->encode (tc2, &ptr, 0, env); - if (env.exception () != 0) break; - value += size; - } - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - return retval; - } - break; - - default: - break; - } // end of switch - } // no exception computing size - } // no exception computing content type - } // seq length not 0 - } // within bounds or unbounded - } // no exception computing bounds - } // length is > 0 - else - { - // length is 0, encode it - continue_encoding = stream->write_ulong (len); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - - } - // If an error was detected but no exception was raised then raise a - // marshal exception. - if (env.exception () == 0) - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_NO)); - return CORBA::TypeCode::TRAVERSE_STOP; -} - -// encode array -CORBA::TypeCode::traverse_status -TAO_Marshal_Array::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - CORBA::Boolean continue_encoding = 1; - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - CORBA::TypeCode::traverse_status retval = - CORBA::TypeCode::TRAVERSE_CONTINUE; // return status - size_t size; // size of element - CORBA::ULong bounds; - char *value = (char *) data; - - // retrieve the bounds of the array - bounds = tc->length (env); - if (env.exception () == 0) - { - // get element typecode. - CORBA::TypeCode_ptr tc2 = tc->content_type (env); - - if (env.exception () == 0) - { - size = tc2->size (env); - if (env.exception () == 0) - { - switch (tc2->kind_) - { - case CORBA::tk_null: - case CORBA::tk_void: - return CORBA::TypeCode::TRAVERSE_CONTINUE; - - case CORBA::tk_short: - case CORBA::tk_ushort: - continue_encoding = continue_encoding && - stream->write_short_array - ((CORBA::Short*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_long: - case CORBA::tk_ulong: - case CORBA::tk_float: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_long_array - ((CORBA::Long*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_double: - case CORBA::tk_longlong: - case CORBA::tk_ulonglong: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_longlong_array - ((CORBA::LongLong*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_boolean: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_boolean_array - ((CORBA::Boolean*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_char: - case CORBA::tk_octet: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_octet_array - ((CORBA::Octet*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_longdouble: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_longdouble_array - ((CORBA::LongDouble*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_wchar: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_wchar_array - ((CORBA::WChar*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - - case CORBA::tk_enum: - // For primitives, compute the size only once - continue_encoding = continue_encoding && - stream->write_long_array - ((CORBA::Long*)value, bounds); - if (continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - // handle all aggregate types here - - case CORBA::tk_any: - case CORBA::tk_TypeCode: - case CORBA::tk_Principal: - case CORBA::tk_objref: - case CORBA::tk_struct: - case CORBA::tk_union: - case CORBA::tk_string: - case CORBA::tk_sequence: - case CORBA::tk_array: - case CORBA::tk_alias: - case CORBA::tk_except: - case CORBA::tk_wstring: - // For those aggregate types whose size is constant, we - // compute it only once - while (bounds-- && retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - { - retval = stream->encode (tc2, value, 0, env); - value += size; - } - // CORBA::release (tc2); - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - break; - default: - break; - } // end of switch - } // no exception computing size - } // no exception computing content type - } // no exception computing bounds - - // error exit - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "TAO_Marshal_Sequence::encode detected error\n")); - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_NO)); - return CORBA::TypeCode::TRAVERSE_STOP; -} - -CORBA::TypeCode::traverse_status -TAO_Marshal_Alias::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - CORBA::TypeCode_ptr tc2; // typecode of the aliased type - CORBA::Boolean continue_encoding = 1; - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - CORBA::TypeCode::traverse_status retval = - CORBA::TypeCode::TRAVERSE_CONTINUE; // status of encode operation - char *value = (char *) data; - - tc2 = tc->content_type (env); - if (env.exception () == 0) - { - // switch on the data type and handle the cases for primitives here for - // efficiency rather than calling - switch (tc2->kind_) - { - case CORBA::tk_null: - case CORBA::tk_void: - break; - case CORBA::tk_short: - case CORBA::tk_ushort: - continue_encoding = stream->write_short (*(CORBA::Short *) value); - break; - case CORBA::tk_long: - case CORBA::tk_ulong: - case CORBA::tk_float: - case CORBA::tk_enum: - continue_encoding = stream->write_long (*(CORBA::Long *) value); - break; - case CORBA::tk_double: - case CORBA::tk_longlong: - case CORBA::tk_ulonglong: - continue_encoding = stream->write_longlong (*(CORBA::LongLong *) value); - break; - case CORBA::tk_boolean: - continue_encoding = stream->write_boolean (*(CORBA::Boolean *) value); - break; - case CORBA::tk_char: - case CORBA::tk_octet: - continue_encoding = stream->write_char (*(CORBA::Char *) value); - break; - case CORBA::tk_longdouble: - continue_encoding = stream->write_longdouble (*(CORBA::LongDouble *) value); - break; - case CORBA::tk_wchar: - continue_encoding = stream->write_wchar (*(CORBA::WChar *) value); - break; - case CORBA::tk_any: - case CORBA::tk_TypeCode: - case CORBA::tk_Principal: - case CORBA::tk_objref: - case CORBA::tk_struct: - case CORBA::tk_union: - case CORBA::tk_string: - case CORBA::tk_sequence: - case CORBA::tk_array: - case CORBA::tk_alias: - case CORBA::tk_except: - case CORBA::tk_wstring: - retval = stream->encode (tc2, data, 0, env); - break; - default: - // anything else is an error - retval = CORBA::TypeCode::TRAVERSE_STOP; - } - } - // tc2->_decr_refcnt (); - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE - && continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - else - { - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "TAO_Marshal_Alias::encode detected error\n")); - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } -} - - -// encode exception -CORBA::TypeCode::traverse_status -TAO_Marshal_Except::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - CORBA::TypeCode::traverse_status retval = CORBA::TypeCode::TRAVERSE_CONTINUE; - CORBA::Boolean continue_encoding = 1; - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - - if (env.exception () == 0) - { - CORBA::TypeCode_ptr param; - CORBA::Long size, alignment; - - // first encode the RepositoryID which we can grab from the - // typecode pointer - continue_encoding = stream->write_string (tc->id (env)); - - data = (char *) data + sizeof (CORBA::Exception); - // @@ (ASG) The reason this is done is because we want to skip the size - // of the the base class and its private data members (type_ and - // refcount_). After skipping these data members, we will have the data - // members of the derived class which must be encoded. - - int member_count = tc->member_count (env); - - for (int i = 0; - i < member_count && retval == CORBA::TypeCode::TRAVERSE_CONTINUE - && continue_encoding == 1; - i++) - { - param = tc->member_type (i, env); - if (env.exception () == 0) - { - size = param->size (env); - if (env.exception () == 0) - { - alignment = param->alignment (env); - if (env.exception () == 0) - { - data = ptr_align_binary (data, alignment); - switch (param->kind_){ - case CORBA::tk_null: - case CORBA::tk_void: - break; - case CORBA::tk_short: - case CORBA::tk_ushort: - continue_encoding = stream->write_short (*(CORBA::Short *) data); - break; - case CORBA::tk_long: - case CORBA::tk_ulong: - case CORBA::tk_float: - case CORBA::tk_enum: - continue_encoding = stream->write_long (*(CORBA::Long *) data); - break; - case CORBA::tk_double: - case CORBA::tk_longlong: - case CORBA::tk_ulonglong: - continue_encoding = stream->write_longlong (*(CORBA::LongLong *) data); - break; - case CORBA::tk_boolean: - continue_encoding = stream->write_boolean (*(CORBA::Boolean *) data); - break; - case CORBA::tk_char: - case CORBA::tk_octet: - continue_encoding = stream->write_char (*(CORBA::Char *) data); - break; - case CORBA::tk_longdouble: - continue_encoding = stream->write_longdouble (*(CORBA::LongDouble *) data); - break; - case CORBA::tk_wchar: - continue_encoding = stream->write_wchar (*(CORBA::WChar *) data); - break; - case CORBA::tk_any: - case CORBA::tk_TypeCode: - case CORBA::tk_Principal: - case CORBA::tk_objref: - case CORBA::tk_struct: - case CORBA::tk_union: - case CORBA::tk_string: - case CORBA::tk_sequence: - case CORBA::tk_array: - case CORBA::tk_alias: - case CORBA::tk_except: - case CORBA::tk_wstring: - retval = stream->encode (param, data, 0, env); - break; - default: - break; - } - data = (char *) data + size; - } - else - return CORBA::TypeCode::TRAVERSE_STOP; - } - else - return CORBA::TypeCode::TRAVERSE_STOP; - } - else - return CORBA::TypeCode::TRAVERSE_STOP; - } - } - else - return CORBA::TypeCode::TRAVERSE_STOP; - - if (retval == CORBA::TypeCode::TRAVERSE_CONTINUE - && continue_encoding == 1) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - else - { - if (TAO_debug_level > 0) - ACE_DEBUG ((LM_DEBUG, - "TAO_Marshal_Except::encode detected error\n")); - env.exception (new CORBA::MARSHAL (CORBA::COMPLETED_MAYBE)); - return CORBA::TypeCode::TRAVERSE_STOP; - } -} - - -// encode wstring -CORBA::TypeCode::traverse_status -TAO_Marshal_WString::encode (CORBA::TypeCode_ptr tc, - const void *data, - const void *, - void *context, - CORBA::Environment &env) -{ - CORBA::WChar *str = *(CORBA::WChar **) data; - TAO_OutputCDR *stream = (TAO_OutputCDR *) context; - - // Verify string satisfies bounds requirements. We're not so - // permissive as to send messages violating the interface spec - // by having excessively long strings! - CORBA::ULong bounds = tc->length (env); - - if (str != 0) - { - // get the actual length of the string - CORBA::ULong len = ACE_OS::wslen ((CORBA::WChar *) str); - - // if it is an unbounded string or if the length is less than the - // bounds for an unbounded string - if (bounds == 0 || len <= bounds) - if (stream->write_wstring (len, str)) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - } - else - { - if (stream->write_wstring (0, 0)) - return CORBA::TypeCode::TRAVERSE_CONTINUE; - } - return CORBA::TypeCode::TRAVERSE_STOP; -} |