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// -*- C++ -*-
#include "ace/OS_NS_string.h"
#include "ace/Truncate.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_INLINE
ACE_Reactive_MEM_IO::ACE_Reactive_MEM_IO ()
{
}
#if defined (ACE_WIN32) || !defined (_ACE_USE_SV_SEM)
ACE_INLINE
ACE_MT_MEM_IO::Simple_Queue::Simple_Queue (void)
: mq_ (0),
malloc_ (0)
{
}
ACE_INLINE
ACE_MT_MEM_IO::ACE_MT_MEM_IO ()
{
this->recv_channel_.sema_ = 0;
this->recv_channel_.lock_ = 0;
this->send_channel_.sema_ = 0;
this->send_channel_.lock_ = 0;
}
ACE_INLINE
ACE_MT_MEM_IO::Simple_Queue::Simple_Queue (MQ_Struct *mq)
: mq_ (mq),
malloc_ (0)
{
}
ACE_INLINE int
ACE_MT_MEM_IO::Simple_Queue::init (MQ_Struct *mq,
ACE_MEM_SAP::MALLOC_TYPE *malloc)
{
if (this->mq_ != 0)
return -1;
this->mq_ = mq;
this->malloc_ = malloc;
return 0;
}
#endif /* ACE_WIN32 || !_ACE_USE_SV_SEM */
ACE_INLINE ssize_t
ACE_Reactive_MEM_IO::get_buf_len (const ACE_OFF_T off, ACE_MEM_SAP_Node *&buf)
{
#if !defined (ACE_HAS_WIN32_STRUCTURED_EXCEPTIONS)
ACE_TRACE ("ACE_Reactive_MEM_IO::get_buf_len");
#endif /* ACE_HAS_WIN32_STRUCTURED_EXCEPTIONS */
if (this->shm_malloc_ == 0)
{
return -1;
}
ssize_t retv = 0;
ACE_SEH_TRY
{
buf =
reinterpret_cast<ACE_MEM_SAP_Node *> (
static_cast<char *> (this->shm_malloc_->base_addr ()) + off);
retv = ACE_Utils::truncate_cast<ssize_t> (buf->size ());
}
ACE_SEH_EXCEPT (this->shm_malloc_->memory_pool ().seh_selector (GetExceptionInformation ()))
{
}
return retv;
}
// Send an n byte message to the connected socket.
ACE_INLINE
ACE_MEM_IO::ACE_MEM_IO (void)
: deliver_strategy_ (0),
recv_buffer_ (0),
buf_size_ (0),
cur_offset_ (0)
{
// ACE_TRACE ("ACE_MEM_IO::ACE_MEM_IO");
}
ACE_INLINE ssize_t
ACE_MEM_IO::fetch_recv_buf (int flag, const ACE_Time_Value *timeout)
{
ACE_TRACE ("ACE_MEM_IO::fetch_recv_buf");
if (this->deliver_strategy_ == 0)
return -1;
// This method can only be called when <buf_size_> == <cur_offset_>.
ACE_ASSERT (this->buf_size_ == this->cur_offset_);
// We have done using the previous buffer, return it to malloc.
if (this->recv_buffer_ != 0)
this->deliver_strategy_->release_buffer (this->recv_buffer_);
this->cur_offset_ = 0;
ssize_t retv = 0;
if ((retv = this->deliver_strategy_->recv_buf (this->recv_buffer_,
flag,
timeout)) > 0)
this->buf_size_ = retv;
else
this->buf_size_ = 0;
return retv;
}
ACE_INLINE
ACE_MEM_IO::~ACE_MEM_IO (void)
{
delete this->deliver_strategy_;
}
ACE_INLINE ssize_t
ACE_MEM_IO::send (const void *buf,
size_t len,
int flags,
const ACE_Time_Value *timeout)
{
ACE_TRACE ("ACE_MEM_IO::send");
if (this->deliver_strategy_ == 0)
{
return 0;
}
ACE_MEM_SAP_Node *sbuf =
this->deliver_strategy_->acquire_buffer (
ACE_Utils::truncate_cast<ssize_t> (len));
if (sbuf == 0)
{
return -1; // Memory buffer not initialized.
}
ACE_OS::memcpy (sbuf->data (), buf, len);
///
sbuf->size_ = len;
return this->deliver_strategy_->send_buf (sbuf,
flags,
timeout);
}
ACE_INLINE ssize_t
ACE_MEM_IO::recv (void *buf,
size_t len,
int flags,
const ACE_Time_Value *timeout)
{
ACE_TRACE ("ACE_MEM_IO::recv");
size_t count = 0;
size_t buf_len = this->buf_size_ - this->cur_offset_;
if (buf_len == 0)
{
ssize_t blen = // Buffer length
this->fetch_recv_buf (flags, timeout);
if (blen <= 0)
{
return blen;
}
buf_len = this->buf_size_;
}
size_t length = (len > buf_len ? buf_len : len);
ACE_OS::memcpy ((char *) buf + count,
(char *) this->recv_buffer_->data () + this->cur_offset_,
length);
this->cur_offset_ += ACE_Utils::truncate_cast<ssize_t> (length);
count += length;
return ACE_Utils::truncate_cast<ssize_t> (count);
}
ACE_INLINE ssize_t
ACE_MEM_IO::send (const void *buf, size_t n, int flags)
{
ACE_TRACE ("ACE_MEM_IO::send");
return this->send (buf, n, flags, 0);
}
// Recv an n byte message from the connected socket.
ACE_INLINE ssize_t
ACE_MEM_IO::recv (void *buf, size_t n, int flags)
{
ACE_TRACE ("ACE_MEM_IO::recv");
return this->recv (buf, n, flags, 0);
}
// Send an n byte message to the connected socket.
ACE_INLINE ssize_t
ACE_MEM_IO::send (const void *buf, size_t n)
{
ACE_TRACE ("ACE_MEM_IO::send");
return this->send (buf, n, 0);
}
// Recv an n byte message from the connected socket.
ACE_INLINE ssize_t
ACE_MEM_IO::recv (void *buf, size_t n)
{
ACE_TRACE ("ACE_MEM_IO::recv");
return this->recv (buf, n, 0);
}
ACE_INLINE ssize_t
ACE_MEM_IO::recv (void *buf,
size_t len,
const ACE_Time_Value *timeout)
{
ACE_TRACE ("ACE_MEM_IO::recv");
return this->recv (buf, len, 0, timeout);
}
ACE_INLINE ssize_t
ACE_MEM_IO::send (const void *buf,
size_t len,
const ACE_Time_Value *timeout)
{
ACE_TRACE ("ACE_MEM_IO::send");
return this->send (buf, len, 0, timeout);
}
ACE_END_VERSIONED_NAMESPACE_DECL
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