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// -*- C++ -*-
//$Id$
//
// GIOP_Message_Base
//
# if 0
ACE_INLINE const size_t
TAO_GIOP_Message_Base::header_len (void)
{
return TAO_GIOP_MESSAGE_HEADER_LEN;
}
ACE_INLINE const size_t
TAO_GIOP_Message_Base::message_size_offset (void)
{
return TAO_GIOP_MESSAGE_SIZE_OFFSET;
}
ACE_INLINE const size_t
TAO_GIOP_Message_Base::major_version_offset (void)
{
return TAO_GIOP_VERSION_MAJOR_OFFSET;
}
ACE_INLINE const size_t
TAO_GIOP_Message_Base::minor_version_offset (void)
{
return TAO_GIOP_VERSION_MINOR_OFFSET;
}
ACE_INLINE const size_t
TAO_GIOP_Message_Base::flags_offset (void)
{
return TAO_GIOP_MESSAGE_FLAGS_OFFSET;
}
ACE_INLINE const size_t
TAO_GIOP_Message_Base::message_type_offset (void)
{
return TAO_GIOP_MESSAGE_TYPE_OFFSET;
}
#endif /*if 0*/
// @@ Bala: this is a virtual method. There are very few circumstances
// where the compiler is able to optimize this call. And there are
// even few compilers that actually implement that optimization.
// Furthermore, many compilers cannot inline functions this complex.
// Finally, you may want to move the debugging messages to helper
// functions, so there is less coupling and the header files are
// lighter.
ACE_INLINE int
TAO_GIOP_Message_Base::parse_magic_bytes (
TAO_GIOP_Message_State *state)
{
// Grab the read pointer
char *buf = state->cdr.rd_ptr ();
// The values are hard-coded to support non-ASCII platforms.
if (!(buf [0] == 0x47 // 'G'
&& buf [1] == 0x49 // 'I'
&& buf [2] == 0x4f // 'O'
&& buf [3] == 0x50)) // 'P'
{
// For the present...
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("TAO (%P|%t) bad header, magic word [%c%c%c%c]\n"),
buf[0],
buf[1],
buf[2],
buf[3]));
return -1;
}
if (this->validate_version (state) == -1)
{
if (TAO_debug_level > 0)
{
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("(%N|%l|%p|%t) Error in validating")
ASYS_TEXT ("revision \n")));
return -1;
}
}
return 0;
}
// @@ Bala: please look at the implementation of ACE_DEBUG and think
// about how complex this method would be if inlined, there is no way
// that the compiler can actually inline it!
ACE_INLINE int
TAO_GIOP_Message_Base::parse_header (TAO_GIOP_Message_State *state)
{
char *buf = state->cdr.rd_ptr ();
// Let us be specific that it is for 1.0
if (this->minor_version () == 0 &&
this->major_version () == 1)
{
state->byte_order = buf[TAO_GIOP_MESSAGE_FLAGS_OFFSET];
if (TAO_debug_level > 2
&& state->byte_order != 0 && state->byte_order != 1)
{
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("TAO (%P|%t) invalid byte order <%d>")
ASYS_TEXT (" for version <1.0>\n"),
state->byte_order));
return -1;
}
}
else
{
state->byte_order =
(CORBA::Octet) (buf[TAO_GIOP_MESSAGE_FLAGS_OFFSET]& 0x01);
state->more_fragments =
(CORBA::Octet) (buf[TAO_GIOP_MESSAGE_FLAGS_OFFSET]& 0x02);
if (TAO_debug_level > 2
&& (buf[TAO_GIOP_MESSAGE_FLAGS_OFFSET] & ~0x3) != 0)
{
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("TAO (%P|%t) invalid flags for <%d>")
ASYS_TEXT (" for version <%d %d> \n"),
buf[TAO_GIOP_MESSAGE_FLAGS_OFFSET],
this->major_version (),
this->minor_version ()));
return -1;
}
}
// Get the message type
state->message_type = buf[TAO_GIOP_MESSAGE_TYPE_OFFSET];
// Reset our input CDR stream
state->cdr.reset_byte_order (state->byte_order);
state->cdr.skip_bytes (TAO_GIOP_MESSAGE_SIZE_OFFSET);
state->cdr.read_ulong (state->message_size);
if (TAO_debug_level > 2)
{
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("TAO (%P|%t) Parsed header = <%d,%d,%d,%d,%d>\n"),
this->major_version (),
this->minor_version (),
state->byte_order,
state->message_type,
state->message_size));
}
return 1;
}
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