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//$Id$
#include "tao/debug.h"
#include "tao/GIOP_Utils.h"
#include "tao/ORB_Core.h"
#if !defined (__ACE_INLINE__)
# include "tao/GIOP_Utils.i"
#endif /* __ACE_INLINE__ */
TAO_GIOP_Message_State::TAO_GIOP_Message_State (TAO_ORB_Core* orb_core)
: byte_order (TAO_ENCAP_BYTE_ORDER),
more_fragments (0),
message_type (TAO_GIOP_MESSAGERROR),
message_size (0),
current_offset (0),
cdr (orb_core->create_input_cdr_data_block (ACE_CDR::DEFAULT_BUFSIZE),
TAO_ENCAP_BYTE_ORDER,
orb_core),
fragments_begin (0),
fragments_end (0)
{
//giop_version.major = TAO_DEF_GIOP_MAJOR;
//giop_version.minor = TAO_DEF_GIOP_MINOR;
}
TAO_GIOP_Message_State::~TAO_GIOP_Message_State (void)
{
//no-op
}
int
TAO_GIOP_Message_State::is_complete ()
{
if (this->message_size != this->current_offset)
return 0;
if (this->more_fragments)
{
// This is only one fragment of the complete Request....
ACE_Message_Block* current =
this->cdr.steal_contents ();
if (this->fragments_begin == 0)
{
this->first_fragment_byte_order = this->byte_order;
this->first_fragment_giop_version = this->giop_version;
this->first_fragment_message_type = this->message_type;
this->fragments_end = this->fragments_begin = current;
this->reset ();
return 0;
}
return this->append_fragment (current);
}
if (this->fragments_begin != 0)
{
// This is the last message, but we must defragment before
// sending
ACE_Message_Block* current =
this->cdr.steal_contents ();
if (this->append_fragment (current) == -1)
return -1;
// Copy the entire chain into the input CDR.....
this->cdr.reset (this->fragments_begin,
this->first_fragment_byte_order);
ACE_Message_Block::release (this->fragments_begin);
this->fragments_begin = 0;
this->fragments_end = 0;
this->byte_order = this->first_fragment_byte_order;
this->giop_version = this->first_fragment_giop_version;
this->message_type = this->first_fragment_message_type;
/*FALLTHROUGH*/
}
// else
// {
// This message has no more fragments, and there where no fragments
// before it, just return... notice that this->cdr has the right
// contents.
// }
return 1;
}
int
TAO_GIOP_Message_State::append_fragment (ACE_Message_Block* current)
{
this->fragments_end->cont (current);
this->fragments_end = this->fragments_end->cont ();
if (this->first_fragment_byte_order != this->byte_order
|| this->first_fragment_giop_version.major != this->giop_version.major
|| this->first_fragment_giop_version.minor != this->giop_version.minor)
{
// Yes, print it out in all debug levels!
ACE_DEBUG ((LM_DEBUG,
"TAO (%P|%t) incompatible fragments:\n"
" Different GIOP versions or byte order\n"));
this->reset ();
return -1;
}
this->reset ();
return 0;
}
int
TAO_GIOP_Utils::
read_bytes_input (TAO_Transport *transport,
TAO_InputCDR &input,
CORBA::ULong read_size,
ACE_Time_Value *value)
{
// Grow the size of CDR stream
if (input.grow (read_size) == -1)
return -1;
// Read until all the header is received. There should be no
// problems with locking, the header is only a few bytes so they
// should all be available on the socket, otherwise there is a
// problem with the underlying transport, in which case we have more
// problems than just this small loop.
char *buf = input.rd_ptr ();
ssize_t n = 0;
for (int t = read_size;
t != 0;
t -= n)
{
n = transport->recv (buf, t, value);
if (n == -1)
return -1;
else if (n == 0) // @@ TODO && errno != EWOULDBLOCK)
return -1;
buf += n;
}
return 1;
}
ssize_t
TAO_GIOP_Utils::read_buffer (TAO_Transport *transport,
char *buf,
size_t len,
ACE_Time_Value *max_wait_time)
{
ssize_t bytes_read = transport->recv (buf, len, max_wait_time);
if (bytes_read <= 0 && TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG,
ASYS_TEXT ("TAO (%P|%t|%N|%l) - %p,\n")
ASYS_TEXT (" transport = %d, ")
ASYS_TEXT ("bytes = %d, len = %d\n"),
ASYS_TEXT ("read_buffer"),
transport->handle (),
bytes_read,
len));
if (bytes_read == -1 && errno == ECONNRESET)
{
// @@ Is this OK??
// We got a connection reset (TCP RSET) from the other side,
// i.e., they didn't initiate a proper shutdown.
//
// Make it look like things are OK to the upper layer.
bytes_read = 0;
errno = 0;
}
return bytes_read;
}
TAO_GIOP_Reply_Status_Type
TAO_GIOP_Utils::
convert_CORBA_to_GIOP_exception (CORBA::exception_type corba_type)
{
switch (corba_type)
{
case CORBA::NO_EXCEPTION:
ACE_DEBUG ((LM_DEBUG,
"(%N|%l) \n"));
return TAO_GIOP_NO_EXCEPTION;
case CORBA::SYSTEM_EXCEPTION:
ACE_DEBUG ((LM_DEBUG,
"(%N|%l) \n"));
return TAO_GIOP_SYSTEM_EXCEPTION;
case CORBA::USER_EXCEPTION:
ACE_DEBUG ((LM_DEBUG,
"(%N|%l) \n"));
return TAO_GIOP_USER_EXCEPTION;
default:
ACE_DEBUG ((LM_DEBUG,
"(%N|%l) \n"));
// Don't know what to do here??
return TAO_GIOP_SYSTEM_EXCEPTION;
}
}
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