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// -*- C++ -*-
#include "tao/Asynch_Queued_Message.h"
#include "tao/debug.h"
#include "tao/ORB_Core.h"
#include "ace/OS_Memory.h"
#include "ace/OS_NS_string.h"
#include "ace/os_include/sys/os_uio.h"
#include "ace/Log_Msg.h"
#include "ace/Message_Block.h"
#include "ace/Malloc_Base.h"
#include "ace/High_Res_Timer.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_Asynch_Queued_Message::TAO_Asynch_Queued_Message (
const ACE_Message_Block *contents,
TAO_ORB_Core *oc,
ACE_Time_Value *timeout,
ACE_Allocator *alloc,
bool is_heap_allocated)
: TAO_Queued_Message (oc, alloc, is_heap_allocated)
, size_ (contents->total_length ())
, offset_ (0)
, abs_timeout_ (ACE_Time_Value::zero)
{
if (timeout != nullptr)// && *timeout != ACE_Time_Value::zero)
{
this->abs_timeout_ = ACE_High_Res_Timer::gettimeofday_hr () + *timeout;
}
// @@ 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 != nullptr;
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,
TAO_ORB_Core *oc,
size_t size,
const ACE_Time_Value &abs_timeout,
ACE_Allocator *alloc,
bool is_heap_allocated)
: TAO_Queued_Message (oc, alloc, is_heap_allocated)
, size_ (size)
, offset_ (0)
, buffer_ (buf)
, abs_timeout_ (abs_timeout)
{
}
TAO_Asynch_Queued_Message::~TAO_Asynch_Queued_Message ()
{
// @@ Use a pool for these guys!
delete [] this->buffer_;
}
size_t
TAO_Asynch_Queued_Message::message_length () const
{
return this->size_ - this->offset_;
}
int
TAO_Asynch_Queued_Message::all_data_sent () 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 = static_cast<u_long> (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 const 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,
this->orb_core_->leader_follower ());
}
TAO_Queued_Message *
TAO_Asynch_Queued_Message::clone (ACE_Allocator *alloc)
{
char *buf = nullptr;
// @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 const sz = this->size_ - this->offset_;
ACE_NEW_RETURN (buf,
char[sz],
nullptr);
ACE_OS::memcpy (buf,
this->buffer_ + this->offset_,
sz);
TAO_Asynch_Queued_Message *qm = nullptr;
if (alloc)
{
ACE_NEW_MALLOC_RETURN (qm,
static_cast<TAO_Asynch_Queued_Message *> (
alloc->malloc (sizeof (TAO_Asynch_Queued_Message))),
TAO_Asynch_Queued_Message (buf,
this->orb_core_,
sz,
this->abs_timeout_,
alloc,
true),
nullptr);
}
else
{
// No allocator, so use the common heap!
if (TAO_debug_level == 4)
{
// This debug is for testing purposes!
TAOLIB_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,
this->orb_core_,
sz,
this->abs_timeout_,
nullptr,
true),
nullptr);
}
return qm;
}
void
TAO_Asynch_Queued_Message::destroy ()
{
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;
}
}
}
bool
TAO_Asynch_Queued_Message::is_expired (const ACE_Time_Value &now) const
{
if (this->abs_timeout_ > ACE_Time_Value::zero)
{
if (this->offset_ > 0)
{
return false; //never expire partial messages
}
return this->abs_timeout_ < now;
}
return false;
}
void
TAO_Asynch_Queued_Message::copy_if_necessary (const ACE_Message_Block*)
{
// It's never necessary for asynchronously queued messages
}
TAO_END_VERSIONED_NAMESPACE_DECL
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