bool RealmSocket::send(const char *buf, size_t len)
{
if (buf == NULL || len == 0)
return true;
ACE_Data_Block db(
len,
ACE_Message_Block::MB_DATA,
(const char*)buf,
0,
0,
ACE_Message_Block::DONT_DELETE,
0);
ACE_Message_Block message_block(
&db,
ACE_Message_Block::DONT_DELETE,
0);
message_block.wr_ptr(len);
if (msg_queue()->is_empty())
{
// Try to send it directly.
ssize_t n = noblk_send(message_block);
if (n < 0)
return false;
size_t un = size_t(n);
if (un == len)
return true;
// fall down
message_block.rd_ptr(un);
}
ACE_Message_Block *mb = message_block.clone();
if (msg_queue()->enqueue_tail(mb, (ACE_Time_Value *) &ACE_Time_Value::zero) == -1)
{
mb->release();
return false;
}
if (reactor()->schedule_wakeup(this, ACE_Event_Handler::WRITE_MASK) == -1)
return false;
return true;
}
int RealmSocket::handle_output(ACE_HANDLE)
{
if (closing_)
return -1;
ACE_Message_Block* mb = 0;
if (msg_queue()->is_empty())
{
reactor()->cancel_wakeup(this, ACE_Event_Handler::WRITE_MASK);
return 0;
}
if (msg_queue()->dequeue_head(mb, (ACE_Time_Value *)(&ACE_Time_Value::zero)) == -1)
return -1;
ssize_t n = noblk_send(*mb);
if (n < 0)
{
mb->release();
return -1;
}
else if (size_t(n) == mb->length())
{
mb->release();
return 1;
}
else
{
mb->rd_ptr(n);
if (msg_queue()->enqueue_head(mb, (ACE_Time_Value *) &ACE_Time_Value::zero) == -1)
{
mb->release();
return -1;
}
return 0;
}
ACE_NOTREACHED(return -1);
}
