diff options
Diffstat (limited to 'ace/CDR_Stream.cpp')
| -rw-r--r-- | ace/CDR_Stream.cpp | 1036 |
1 files changed, 0 insertions, 1036 deletions
diff --git a/ace/CDR_Stream.cpp b/ace/CDR_Stream.cpp deleted file mode 100644 index e64d13b2791..00000000000 --- a/ace/CDR_Stream.cpp +++ /dev/null @@ -1,1036 +0,0 @@ -// $Id$ - -#define ACE_BUILD_DLL -#include "ace/CDR_Stream.h" - -#if !defined (__ACE_INLINE__) -# include "ace/CDR_Stream.i" -#endif /* ! __ACE_INLINE__ */ - -ACE_RCSID(ace, CDR_Stream, "$Id$") - -int -ACE_CDR::grow (ACE_Message_Block *mb, size_t minsize) -{ - // Calculate the new buffer's length; if growing for encode, we - // don't grow in "small" chunks because of the cost. - - size_t size = mb->size(); - size_t newsize = size; - - if (minsize == 0) - { - // TODO The growth strategy should be controlled using - // the ORB parameters.... - if (newsize == 0) - newsize = ACE_CDR::DEFAULT_BUFSIZE; - else if (size < ACE_CDR::EXP_GROWTH_MAX) - newsize *= 2; - else - newsize += ACE_CDR::LINEAR_GROWTH_CHUNK; - } - else if (minsize + ACE_CDR::MAX_ALIGNMENT <= size) - return 0; - else - { - if (newsize == 0) - newsize = ACE_CDR::DEFAULT_BUFSIZE; - - while (newsize < minsize + ACE_CDR::MAX_ALIGNMENT) - { - if (newsize < ACE_CDR::EXP_GROWTH_MAX) - newsize *= 2; - else - newsize += ACE_CDR::LINEAR_GROWTH_CHUNK; - } - } - - ACE_Message_Block tmp (newsize); - - ACE_CDR::mb_align (&tmp); - - tmp.copy (mb->rd_ptr (), mb->length()); - mb->data_block (tmp.data_block ()->duplicate ()); - mb->rd_ptr (tmp.rd_ptr ()); - mb->wr_ptr (tmp.wr_ptr ()); - - return 0; -} - -size_t -ACE_CDR::total_length (const ACE_Message_Block* begin, - const ACE_Message_Block* end) -{ - size_t l = 0; - // Compute the total size. - for (const ACE_Message_Block *i = begin; - i != end; - i = i->cont ()) - l += i->length (); - return l; -} - - -#if defined (NONNATIVE_LONGDOUBLE) -int -ACE_CDR::LongDouble::operator== (const ACE_CDR::LongDouble &rhs) const -{ - return ACE_OS::memcmp (this->ld, rhs.ld, 16) == 0; -} - -int -ACE_CDR::LongDouble::operator!= (const ACE_CDR::LongDouble &rhs) const -{ - return ACE_OS::memcmp (this->ld, rhs.ld, 16) != 0; -} -#endif /* NONNATIVE_LONGDOUBLE */ - -#if defined(_UNICOS) && !defined(_CRAYMPP) -// placeholders to get things compiling -ACE_CDR::Float::Float() -{ -} - -ACE_CDR::Float::Float(const float & init) -{ -} - -ACE_CDR::Float & -ACE_CDR::Float::operator= (const float &rhs) -{ - return *this; -} - -int -ACE_CDR::Float::operator!= (const ACE_CDR::Float &rhs) const -{ - return 0; -} -#endif /* _UNICOS */ - -// **************************************************************** - -ACE_OutputCDR::ACE_OutputCDR (size_t size, - int byte_order, - ACE_Allocator *buffer_allocator, - ACE_Allocator *data_block_allocator, - size_t memcpy_tradeoff) - : start_ (size ? size : ACE_CDR::DEFAULT_BUFSIZE + ACE_CDR::MAX_ALIGNMENT, - ACE_Message_Block::MB_DATA, - 0, - 0, - buffer_allocator, - 0, - 0, - ACE_Time_Value::zero, - ACE_Time_Value::max_time, - data_block_allocator), - do_byte_swap_ (byte_order != ACE_CDR_BYTE_ORDER), - good_bit_ (1), - memcpy_tradeoff_ (memcpy_tradeoff), - char_translator_ (0), - wchar_translator_ (0) -{ - ACE_CDR::mb_align (&this->start_); - this->current_ = &this->start_; -} - -ACE_OutputCDR::ACE_OutputCDR (char *data, size_t size, - int byte_order, - ACE_Allocator *buffer_allocator, - ACE_Allocator *data_block_allocator, - size_t memcpy_tradeoff) - : start_ (size, - ACE_Message_Block::MB_DATA, - 0, - data, - buffer_allocator, - 0, - 0, - ACE_Time_Value::zero, - ACE_Time_Value::max_time, - data_block_allocator), - do_byte_swap_ (byte_order != ACE_CDR_BYTE_ORDER), - good_bit_ (1), - memcpy_tradeoff_ (memcpy_tradeoff), - char_translator_ (0), - wchar_translator_ (0) -{ - // We cannot trust the buffer to be properly aligned - ACE_CDR::mb_align (&this->start_); - this->current_ = &this->start_; -} - -ACE_OutputCDR::ACE_OutputCDR (ACE_Message_Block *data, - int byte_order, - size_t memcpy_tradeoff) - : start_ (data->data_block ()->duplicate ()), - do_byte_swap_ (byte_order != ACE_CDR_BYTE_ORDER), - good_bit_ (1), - memcpy_tradeoff_ (memcpy_tradeoff), - char_translator_ (0), - wchar_translator_ (0) -{ - // We cannot trust the buffer to be properly aligned - ACE_CDR::mb_align (&this->start_); - this->current_ = &this->start_; -} - -int -ACE_OutputCDR::grow_and_adjust (size_t size, - size_t align, - char*& buf) -{ - if (this->current_->cont () == 0 - || this->current_->cont ()->size () < size + ACE_CDR::MAX_ALIGNMENT) - { - // Allocate the next block, it must be large enough. - size_t block_size = ACE_CDR::DEFAULT_BUFSIZE; - while (block_size < size + ACE_CDR::MAX_ALIGNMENT) - { - if (block_size < ACE_CDR::EXP_GROWTH_MAX) - block_size *= 2; - else - block_size += ACE_CDR::LINEAR_GROWTH_CHUNK; - } - this->good_bit_ = 0; - ACE_Message_Block* tmp; - ACE_NEW_RETURN (tmp, - ACE_Message_Block (block_size, - ACE_Message_Block::MB_DATA, - 0, - 0, - this->current_->data_block ()->allocator_strategy (), - 0, - 0, - ACE_Time_Value::zero, - ACE_Time_Value::max_time, - this->current_->data_block ()->data_block_allocator ()), - -1); - this->good_bit_ = 1; - - // The new block must start with the same alignment as the - // previous block finished. - ptr_arith_t tmpalign = - ptr_arith_t(tmp->wr_ptr ()) % ACE_CDR::MAX_ALIGNMENT; - ptr_arith_t curalign = - ptr_arith_t(this->current_->wr_ptr ()) % ACE_CDR::MAX_ALIGNMENT; - int offset = curalign - tmpalign; - if (offset < 0) - offset += ACE_CDR::MAX_ALIGNMENT; - tmp->rd_ptr (offset); - tmp->wr_ptr (tmp->rd_ptr ()); - - // grow the chain and set the current block. - tmp->cont (this->current_->cont ()); - this->current_->cont (tmp); - } - this->current_ = this->current_->cont (); - - // Now we are ready to set buf.. - // recompute the position.... - buf = ptr_align_binary (this->current_->wr_ptr (), align); - this->current_->wr_ptr (buf + size); - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_string (ACE_CDR::ULong len, - const char *x) -{ - // @@ This is a slight violation of "Optimize for the common case", - // i.e. normally the translator will be 0, but OTOH the code is - // smaller and should be better for the cache ;-) ;-) - if (this->char_translator_ != 0) - return this->char_translator_->write_string (*this, len, x); - - if (len != 0) - { - if (this->write_ulong (len + 1)) - { - return this->write_char_array (x, len + 1); - } - } - else - { - // Be nice to programmers: treat nulls as empty strings not - // errors. (OMG-IDL supports languages that don't use the C/C++ - // notion of null v. empty strings; nulls aren't part of the OMG-IDL - // string model.) - if (this->write_ulong (1)) - { - return this->write_char (0); - } - } - - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_wstring (ACE_CDR::ULong len, - const ACE_CDR::WChar *x) -{ - // @@ This is a slight violation of "Optimize for the common case", - // i.e. normally the translator will be 0, but OTOH the code is - // smaller and should be better for the cache ;-) ;-) - if (this->wchar_translator_ != 0) - return this->wchar_translator_->write_wstring (*this, len, x); - - if (x != 0) - { - if (this->write_ulong (len + 1)) - { - return this->write_wchar_array (x, len + 1); - } - } - else - { - if (this->write_ulong (1)) - { - return this->write_wchar (0); - } - } - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_octet_array_mb (const ACE_Message_Block* mb) -{ - // If the buffer is small and it fits in the current message - // block it is be cheaper just to copy the buffer. - for (const ACE_Message_Block* i = mb; - i != 0; - i = i->cont ()) - { - size_t length = i->length (); - - // If the mb does not own its data we are forced to make a copy. - if (ACE_BIT_ENABLED (i->flags (), - ACE_Message_Block::DONT_DELETE)) - { - if (! this->write_array (i->rd_ptr (), - ACE_CDR::OCTET_SIZE, - ACE_CDR::OCTET_ALIGN, - length)) - { - return 0; - } - continue; - } - - if (length < this->memcpy_tradeoff_ - && this->current_->wr_ptr () + length < this->current_->end ()) - { - if (! this->write_array (i->rd_ptr (), - ACE_CDR::OCTET_SIZE, - ACE_CDR::OCTET_ALIGN, - length)) - { - return 0; - } - continue; - } - - ACE_Message_Block* cont = - new ACE_Message_Block (i->data_block ()->duplicate ()); - if (cont != 0) - { - cont->cont (this->current_->cont ()); - this->current_->cont (cont); - this->current_ = cont; - cont->rd_ptr (i->rd_ptr ()); - cont->wr_ptr (i->wr_ptr ()); - } - else - { - this->good_bit_ = 0; - return 0; - } - } - return 1; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_1 (const ACE_CDR::Octet *x) -{ - char *buf; - if (this->adjust (1, buf) == 0) - { - *ACE_reinterpret_cast(ACE_CDR::Octet*, buf) = *x; - return 1; - } - - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_2 (const ACE_CDR::UShort *x) -{ - char *buf; - if (this->adjust (ACE_CDR::SHORT_SIZE, buf) == 0) - { -#if !defined (ACE_ENABLE_SWAP_ON_WRITE) - *ACE_reinterpret_cast(ACE_CDR::UShort*,buf) = *x; - return 1; -#else - if (!this->do_byte_swap_) - { - *ACE_reinterpret_cast (ACE_CDR::UShort *, buf) = *x; - return 1; - } - else - { - ACE_CDR::swap_2 (ACE_reinterpret_cast (const char*, x), buf); - return 1; - } -#endif /* ACE_ENABLE_SWAP_ON_WRITE */ - } - - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_4 (const ACE_CDR::ULong *x) -{ - char *buf; - if (this->adjust (ACE_CDR::LONG_SIZE, buf) == 0) - { -#if !defined (ACE_ENABLE_SWAP_ON_WRITE) - *ACE_reinterpret_cast(ACE_CDR::ULong*,buf) = *x; - return 1; -#else - if (!this->do_byte_swap_) - { - *ACE_reinterpret_cast (ACE_CDR::ULong *, buf) = *x; - return 1; - } - else - { - ACE_CDR::swap_4 (ACE_reinterpret_cast (const char*, x), buf); - return 1; - } -#endif /* ACE_ENABLE_SWAP_ON_WRITE */ - } - - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_8 (const ACE_CDR::ULongLong *x) -{ - char *buf; - if (this->adjust (ACE_CDR::LONGLONG_SIZE, buf) == 0) - { -#if !defined (ACE_ENABLE_SWAP_ON_WRITE) - *ACE_reinterpret_cast(ACE_CDR::ULongLong*,buf) = *x; - return 1; -#else - if (!this->do_byte_swap_) - { - *ACE_reinterpret_cast (ACE_CDR::ULongLong *, buf) = *x; - return 1; - } - else - { - ACE_CDR::swap_8 (ACE_reinterpret_cast (const char*, x), buf); - return 1; - } -#endif /* ACE_ENABLE_SWAP_ON_WRITE */ - } - - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_16 (const ACE_CDR::LongDouble *x) -{ - char* buf; - if (this->adjust (ACE_CDR::LONGDOUBLE_SIZE, - ACE_CDR::LONGDOUBLE_ALIGN, - buf) == 0) - { -#if !defined (ACE_ENABLE_SWAP_ON_WRITE) - *ACE_reinterpret_cast(ACE_CDR::LongDouble*,buf) = *x; - return 1; -#else - if (!this->do_byte_swap_) - { - *ACE_reinterpret_cast (ACE_CDR::LongDouble *, buf) = *x; - return 1; - } - else - { - ACE_CDR::swap_16 (ACE_reinterpret_cast (const char*, x), buf); - return 1; - } -#endif /* ACE_ENABLE_SWAP_ON_WRITE */ - } - - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_array (const void *x, - size_t size, - size_t align, - ACE_CDR::ULong length) -{ - char *buf; - if (this->adjust (size * length, align, buf) == 0) - { -#if !defined (ACE_ENABLE_SWAP_ON_WRITE) - ACE_OS::memcpy (buf, x, size*length); - return 1; -#else - if (!this->do_byte_swap_ || size == 1) - { - ACE_OS::memcpy (buf, x, size*length); - return 1; - } - else - { - // I cannot see any fast way out of this.... - typedef void (*SWAPPER)(const char *, char *); - SWAPPER swapper; - switch (size) - { - case 2: - swapper = ACE_CDR::swap_2; - break; - case 4: - swapper = ACE_CDR::swap_4; - break; - case 8: - swapper = ACE_CDR::swap_8; - break; - case 16: - swapper = ACE_CDR::swap_16; - break; - default: - // TODO: print something? - this->good_bit_ = 0; - return 0; - } - - const char *source = ACE_reinterpret_cast (const char *, x); - const char *end = source + size*length; - - for (; source != end; source += size, buf += size) - { - (*swapper)(source, buf); - } - - return 1; - } -#endif /* ACE_ENABLE_SWAP_ON_WRITE */ - } - this->good_bit_ = 0; - return 0; -} - -ACE_CDR::Boolean -ACE_OutputCDR::write_boolean_array (const ACE_CDR::Boolean* x, - ACE_CDR::ULong length) -{ - // It is hard to optimize this, the spec requires that on the wire - // booleans be represented as a byte with value 0 or 1, but in - // memoery it is possible (though very unlikely) that a boolean has - // a non-zero value (different from 1). - // We resort to a simple loop. - const ACE_CDR::Boolean* end = x + length; - for (const ACE_CDR::Boolean* i = x; i != end && this->good_bit (); ++i) - { - this->write_boolean (*i); - } - return this->good_bit (); -} - -// **************************************************************** - -ACE_InputCDR::ACE_InputCDR (const char *buf, - size_t bufsiz, - int byte_order) - : start_ (buf, bufsiz), - do_byte_swap_ (byte_order != ACE_CDR_BYTE_ORDER), - good_bit_ (1), - char_translator_ (0), - wchar_translator_ (0) -{ - this->start_.wr_ptr (bufsiz); -} - -ACE_InputCDR::ACE_InputCDR (size_t bufsiz, - int byte_order) - : start_ (bufsiz), - do_byte_swap_ (byte_order != ACE_CDR_BYTE_ORDER), - good_bit_ (1), - char_translator_ (0), - wchar_translator_ (0) -{ -} - -ACE_InputCDR::ACE_InputCDR (const ACE_Message_Block *data, - int byte_order) - : start_ (), - good_bit_ (1), - char_translator_ (0), - wchar_translator_ (0) -{ - this->reset (data, byte_order); -} - -ACE_InputCDR::ACE_InputCDR (ACE_Data_Block *data, - int byte_order) - : start_ (data), - do_byte_swap_ (byte_order != ACE_CDR_BYTE_ORDER), - good_bit_ (1), - char_translator_ (0), - wchar_translator_ (0) -{ -} - -ACE_InputCDR::ACE_InputCDR (const ACE_InputCDR& rhs, - size_t size, - ACE_CDR::Long offset) - : start_ (rhs.start_.data_block ()->duplicate ()), - do_byte_swap_ (rhs.do_byte_swap_), - good_bit_ (1), - char_translator_ (0), - wchar_translator_ (0) -{ - char* newpos = rhs.start_.rd_ptr() + offset; - if (this->start_.base () <= newpos - && newpos <= this->start_.end () - && newpos + size <= this->start_.end ()) - { - this->start_.rd_ptr (newpos); - this->start_.wr_ptr (newpos + size); - } - else - { - this->good_bit_ = 0; - } -} - -ACE_InputCDR::ACE_InputCDR (const ACE_InputCDR& rhs, - size_t size) - : start_ (rhs.start_.data_block ()->duplicate ()), - do_byte_swap_ (rhs.do_byte_swap_), - good_bit_ (1), - char_translator_ (0), - wchar_translator_ (0) -{ - char* newpos = rhs.start_.rd_ptr(); - if (this->start_.base () <= newpos - && newpos <= this->start_.end () - && newpos + size <= this->start_.end ()) - { - // Notice that ACE_Message_Block::duplicate may leave the - // wr_ptr() with a higher value that what we actually want. - this->start_.rd_ptr (newpos); - this->start_.wr_ptr (newpos + size); - - ACE_CDR::Octet byte_order; - this->read_octet (byte_order); - this->do_byte_swap_ = (byte_order != ACE_CDR_BYTE_ORDER); - } - else - { - this->good_bit_ = 0; - } -} - -ACE_InputCDR::ACE_InputCDR (const ACE_InputCDR& rhs) - : start_ (rhs.start_.data_block ()->duplicate ()), - do_byte_swap_ (rhs.do_byte_swap_), - good_bit_ (1), - char_translator_ (0), - wchar_translator_ (0) -{ - this->start_.rd_ptr (rhs.start_.rd_ptr ()); - this->start_.wr_ptr (rhs.start_.wr_ptr ()); -} - -ACE_InputCDR& -ACE_InputCDR::operator= (const ACE_InputCDR& rhs) -{ - if (this != &rhs) - { - this->start_.data_block (rhs.start_.data_block ()->duplicate ()); - this->start_.rd_ptr (rhs.start_.rd_ptr ()); - this->start_.wr_ptr (rhs.start_.wr_ptr ()); - this->do_byte_swap_ = rhs.do_byte_swap_; - this->good_bit_ = 1; - } - return *this; -} - -ACE_InputCDR::ACE_InputCDR (const ACE_OutputCDR& rhs, - ACE_Allocator* buffer_allocator, - ACE_Allocator* data_block_allocator) - : start_ (rhs.total_length () + ACE_CDR::MAX_ALIGNMENT, - ACE_Message_Block::MB_DATA, - 0, - 0, - buffer_allocator, - 0, - 0, - ACE_Time_Value::zero, - ACE_Time_Value::max_time, - data_block_allocator), - do_byte_swap_ (rhs.do_byte_swap_), - good_bit_ (1), - char_translator_ (0), - wchar_translator_ (0) -{ - ACE_CDR::mb_align (&this->start_); - for (const ACE_Message_Block *i = rhs.begin (); - i != rhs.end (); - i = i->cont ()) - this->start_.copy (i->rd_ptr (), i->length ()); -} - -ACE_CDR::Boolean -ACE_InputCDR::read_string (char *&x) -{ - // @@ This is a slight violation of "Optimize for the common case", - // i.e. normally the translator will be 0, but OTOH the code is - // smaller and should be better for the cache ;-) ;-) - if (this->char_translator_ != 0) - return this->char_translator_->read_string (*this, x); - - ACE_CDR::ULong len; - - this->read_ulong (len); - if (len > 0) - { - ACE_NEW_RETURN (x, - ACE_CDR::Char[len], - 0); - if (this->read_char_array (x, len)) - return 1; - delete [] x; - } - - x = 0; - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_string (ACE_CString &x) -{ - ACE_CDR::Char *data; - if (this->read_string (data)) - { - x = data; - delete [] data; - return 1; - } - - x = ""; - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_wstring (ACE_CDR::WChar*& x) -{ - // @@ This is a slight violation of "Optimize for the common case", - // i.e. normally the translator will be 0, but OTOH the code is - // smaller and should be better for the cache ;-) ;-) - if (this->wchar_translator_ != 0) - return this->wchar_translator_->read_wstring (*this, x); - - ACE_CDR::ULong len; - this->read_ulong (len); - if (this->good_bit()) - { - ACE_NEW_RETURN (x, - ACE_CDR::WChar[len], - 0); - if (this->read_wchar_array (x, len)) - return 1; - - delete [] x; - } - x = 0; - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_array (void* x, - size_t size, - size_t align, - ACE_CDR::ULong length) -{ - char* buf; - if (this->adjust (size * length, align, buf) == 0) - { -#if !defined (ACE_DISABLE_SWAP_ON_READ) - if (!this->do_byte_swap_ || size == 1) - { - ACE_OS::memcpy (x, buf, size*length); - } - else - { - // I cannot see any fast way out of this.... - char *target = ACE_reinterpret_cast (char*, x); - char *end = target + size*length; - switch (size) - { - case 2: - for (; target != end; target += size, buf += size) - { - ACE_CDR::swap_2 (buf, target); - } - break; - case 4: - for (; target != end; target += size, buf += size) - { - ACE_CDR::swap_4 (buf, target); - } - break; - case 8: - for (; target != end; target += size, buf += size) - { - ACE_CDR::swap_8 (buf, target); - } - break; - case 16: - for (; target != end; target += size, buf += size) - { - ACE_CDR::swap_16 (buf, target); - } - break; - default: - // TODO: print something? - this->good_bit_ = 0; - return 0; - } - } -#else - ACE_OS::memcpy (x, buf, size*length); -#endif /* ACE_DISABLE_SWAP_ON_READ */ - return this->good_bit_; - } - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_boolean_array (ACE_CDR::Boolean *x, - ACE_CDR::ULong length) -{ - // It is hard to optimize this, the spec requires that on the wire - // booleans be represented as a byte with value 0 or 1, but in - // memoery it is possible (though very unlikely) that a boolean has - // a non-zero value (different from 1). - // We resort to a simple loop. - for (ACE_CDR::ULong i = 0; i != length && this->good_bit_; ++i) - { - this->read_boolean (x[i]); - } - return this->good_bit_; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_1 (ACE_CDR::Octet *x) -{ - if (this->rd_ptr () < this->end ()) - { - *x = *ACE_reinterpret_cast (ACE_CDR::Octet*,this->rd_ptr()); - this->start_.rd_ptr (1); - return 1; - } - - this->good_bit_ = 0; - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_2 (ACE_CDR::UShort *x) -{ - char *buf; - if (this->adjust (ACE_CDR::SHORT_SIZE, buf) == 0) - { -#if !defined (ACE_DISABLE_SWAP_ON_READ) - if (!this->do_byte_swap_) - { - *x = *ACE_reinterpret_cast (ACE_CDR::UShort*, buf); - } - else - { - ACE_CDR::swap_2 (buf, ACE_reinterpret_cast (char*, x)); - } -#else - *x = *ACE_reinterpret_cast(ACE_CDR::UShort*,buf); -#endif /* ACE_DISABLE_SWAP_ON_READ */ - return 1; - } - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_4 (ACE_CDR::ULong *x) -{ - char *buf; - if (this->adjust (ACE_CDR::LONG_SIZE, buf) == 0) - { -#if !defined (ACE_DISABLE_SWAP_ON_READ) - if (!this->do_byte_swap_) - { - *x = *ACE_reinterpret_cast (ACE_CDR::ULong*, buf); - } - else - { - ACE_CDR::swap_4 (buf, ACE_reinterpret_cast (char*, x)); - } -#else - *x = *ACE_reinterpret_cast(ACE_CDR::ULong*,buf); -#endif /* ACE_DISABLE_SWAP_ON_READ */ - return 1; - } - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_8 (ACE_CDR::ULongLong *x) -{ - char *buf; - if (this->adjust (ACE_CDR::LONGLONG_SIZE, buf) == 0) - { -#if !defined (ACE_DISABLE_SWAP_ON_READ) - if (!this->do_byte_swap_) - { - *x = *ACE_reinterpret_cast (ACE_CDR::ULongLong *, buf); - } - else - { - ACE_CDR::swap_8 (buf, ACE_reinterpret_cast (char*, x)); - } -#else - *x = *ACE_reinterpret_cast(ACE_CDR::ULongLong*,buf); -#endif /* ACE_DISABLE_SWAP_ON_READ */ - return 1; - } - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::read_16 (ACE_CDR::LongDouble *x) -{ - char *buf; - if (this->adjust (ACE_CDR::LONGLONG_SIZE, - ACE_CDR::LONGLONG_ALIGN, - buf) == 0) - { -#if !defined (ACE_DISABLE_SWAP_ON_READ) - if (!this->do_byte_swap_) - { - *x = *ACE_reinterpret_cast (ACE_CDR::LongDouble *, buf); - } - else - { - ACE_CDR::swap_16 (buf, ACE_reinterpret_cast (char*, x)); - } -#else - *x = *ACE_reinterpret_cast(ACE_CDR::LongDouble*,buf); -#endif /* ACE_DISABLE_SWAP_ON_READ */ - return 1; - } - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::skip_string (void) -{ - ACE_CDR::ULong len; - if (this->read_ulong (len)) - { - if (this->rd_ptr () + len <= this->end ()) - { - this->rd_ptr (len); - return 1; - } - this->good_bit_ = 0; - } - - return 0; -} - -ACE_CDR::Boolean -ACE_InputCDR::skip_bytes (size_t len) -{ - if (this->rd_ptr () + len <= this->end ()) - { - this->rd_ptr (len); - return 1; - } - this->good_bit_ = 0; - return 0; -} - -int -ACE_InputCDR::grow (size_t newsize) -{ - if (ACE_CDR::grow (&this->start_, newsize) == -1) - return -1; - - ACE_CDR::mb_align (&this->start_); - this->start_.wr_ptr (newsize); - return 0; -} - -void -ACE_InputCDR::reset (const ACE_Message_Block* data, - int byte_order) -{ - this->reset_byte_order (byte_order); - this->start_.size (ACE_CDR::total_length (data, 0) - + ACE_CDR::MAX_ALIGNMENT); - - // We must copy the contents of <data> into the new buffer, but - // respecting the alignment. - ptr_arith_t curalign = - ptr_arith_t(data->rd_ptr ()) % ACE_CDR::MAX_ALIGNMENT; - ptr_arith_t tmpalign = - ptr_arith_t(this->start_.rd_ptr ()) % ACE_CDR::MAX_ALIGNMENT; - int offset = curalign - tmpalign; - if (offset < 0) - offset += ACE_CDR::MAX_ALIGNMENT; - this->start_.rd_ptr (offset); - this->start_.wr_ptr (offset); - - for (const ACE_Message_Block* i = data; - i != 0; - i = i->cont ()) - { - this->start_.copy (i->rd_ptr (), i->length ()); - } -} - -void -ACE_InputCDR::steal_from (ACE_InputCDR &cdr) -{ - this->do_byte_swap_ = cdr.do_byte_swap_; - this->start_.data_block (cdr.start_.data_block ()->duplicate ()); - this->start_.rd_ptr (cdr.start_.rd_ptr ()); - this->start_.wr_ptr (cdr.start_.wr_ptr ()); - - cdr.reset_contents (); -} - -ACE_Message_Block* -ACE_InputCDR::steal_contents (void) -{ - ACE_Message_Block* block = - this->start_.clone (); - this->start_.data_block (block->data_block ()->clone ()); - ACE_CDR::mb_align (&this->start_); - - return block; -} - -void -ACE_InputCDR::reset_contents (void) -{ - this->start_.data_block (this->start_.data_block ()->clone ()); -} |