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#include "Asynch_Queued_Message.h"
#include "debug.h"
#include "ace/Malloc_T.h"
#include "ace/Log_Msg.h"
ACE_RCSID (tao,
Asynch_Queued_Message,
"$Id$")
TAO_Asynch_Queued_Message::
TAO_Asynch_Queued_Message (const ACE_Message_Block *contents,
ACE_Allocator *alloc)
: TAO_Queued_Message (alloc)
, offset_ (0)
{
this->size_ = contents->total_length ();
// @@ Use a pool for these guys!!
ACE_NEW (this->buffer_, char[this->size_]);
size_t copy_offset = 0;
for (const ACE_Message_Block *i = contents;
i != 0;
i = i->cont ())
{
ACE_OS::memcpy (this->buffer_ + copy_offset,
i->rd_ptr (),
i->length ());
copy_offset += i->length ();
}
}
TAO_Asynch_Queued_Message::TAO_Asynch_Queued_Message (char *buf,
size_t size,
ACE_Allocator *alloc)
: TAO_Queued_Message (alloc)
, size_ (size)
, offset_ (0)
, buffer_ (buf)
{
}
TAO_Asynch_Queued_Message::~TAO_Asynch_Queued_Message (void)
{
// @@ Use a pool for these guys!
delete[] this->buffer_;
}
size_t
TAO_Asynch_Queued_Message::message_length (void) const
{
return this->size_ - this->offset_;
}
int
TAO_Asynch_Queued_Message::all_data_sent (void) const
{
return this->size_ == this->offset_;
}
void
TAO_Asynch_Queued_Message::fill_iov (int iovcnt_max,
int &iovcnt,
iovec iov[]) const
{
ACE_ASSERT (iovcnt_max > iovcnt);
ACE_UNUSED_ARG (iovcnt_max); // not used if ACE_ASSERT() is empty
iov[iovcnt].iov_base = this->buffer_ + this->offset_;
iov[iovcnt].iov_len = this->size_ - this->offset_;
iovcnt++;
}
void
TAO_Asynch_Queued_Message::bytes_transferred (size_t &byte_count)
{
this->state_changed_i (TAO_LF_Event::LFS_ACTIVE);
size_t remaining_bytes = this->size_ - this->offset_;
if (byte_count > remaining_bytes)
{
this->offset_ = this->size_;
byte_count -= remaining_bytes;
return;
}
this->offset_ += byte_count;
byte_count = 0;
if (this->all_data_sent ())
this->state_changed (TAO_LF_Event::LFS_SUCCESS);
}
TAO_Queued_Message *
TAO_Asynch_Queued_Message::clone (ACE_Allocator *alloc)
{
char *buf = 0;
// @@todo: Need to use a memory pool. But certain things need to
// change a bit in this class for that. Till then.
// Just allocate and copy data that needs to be sent, no point
// copying the whole buffer.
size_t sz = this->size_ - this->offset_;
ACE_NEW_RETURN (buf,
char[sz],
0);
ACE_OS::memcpy (buf,
this->buffer_ + this->offset_,
sz);
TAO_Asynch_Queued_Message *qm = 0;
if (alloc)
{
ACE_NEW_MALLOC_RETURN (qm,
ACE_static_cast (TAO_Asynch_Queued_Message *,
alloc->malloc (sizeof (TAO_Asynch_Queued_Message))),
TAO_Asynch_Queued_Message (buf,
sz,
alloc),
0);
}
else
{
// No allocator, so use the common heap!
if (TAO_debug_level == 4)
{
// This debug is for testing purposes!
ACE_DEBUG ((LM_DEBUG,
"TAO (%P|%t) - Asynch_Queued_Message::clone\n",
"Using global pool for allocation \n"));
}
ACE_NEW_RETURN (qm,
TAO_Asynch_Queued_Message (buf,
sz),
0);
}
// Set the flag to indicate that <qm> is created on the heap.
if (qm)
qm->is_heap_created_ = 1;
return qm;
}
void
TAO_Asynch_Queued_Message::destroy (void)
{
if (this->is_heap_created_)
{
// If we have an allocator release the memory to the allocator
// pool.
if (this->allocator_)
{
ACE_DES_FREE (this,
this->allocator_->free,
TAO_Asynch_Queued_Message);
}
else // global release..
{
delete this;
}
}
}
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