void AIO_Output_Handler::handle_write_stream
(const ACE_Asynch_Write_Stream::Result &result) {
ACE_Message_Block &mblk = result.message_block ();
if (!result.success ()) {
mblk.rd_ptr (mblk.base ());
ungetq (&mblk);
}
else {
can_write_ = handle () == result.handle ();
if (mblk.length () == 0) {
mblk.release ();
if (can_write_) start_write ();
}
else if (can_write_) start_write (&mblk);
else { mblk.rd_ptr (mblk.base ()); ungetq (&mblk); }
}
}
void AIO_Output_Handler::start_write (ACE_Message_Block *mblk) {
if (mblk == 0) {
ACE_Time_Value nonblock (0);
getq (mblk, &nonblock);
}
if (mblk != 0) {
can_write_ = 0;
if (writer_.write (*mblk, mblk->length ()) == -1)
ungetq (mblk);
}
}
bool AuthLink::send_buffer()
{
ssize_t send_cnt = m_peer.send(m_unsent_bytes_storage.read_ptr(), m_unsent_bytes_storage.GetReadableDataSize());
if (send_cnt == -1)
ACE_ERROR ((LM_ERROR,ACE_TEXT ("(%P|%t) %p\n"), ACE_TEXT ("send")));
else
{
m_unsent_bytes_storage.PopFront(send_cnt); // this many bytes were sent
}
if (m_unsent_bytes_storage.GetReadableDataSize() > 0) // and still there is something left
{
ungetq(new ContinueEvent);
return false; // couldn't send all
}
return true;
}
int AceSockHdrBase::send(ACE_Message_Block* ack_msg /* = NULL */)
{
if (ack_msg == NULL) // 内部事件触发时用
{
if (this->msg_queue()->is_empty())
{
ACE_Reactor::instance()->cancel_wakeup(this, WRITE_MASK);
return 0;
}
this->getq(ack_msg);
}
while (ack_msg)
{
ACE_DEBUG((LM_NOTICE, "[%D] AceSockHdrBase start to send len=%d,ack_msg=0x%08x\n", ack_msg->length(), ack_msg));
//发送消息时确保设置非阻塞模式 timeout 才能用 NULL by xwfang 2010-01-22
int ret = this->peer().send(ack_msg->rd_ptr(), ack_msg->length(), time_null_);
switch (ret)
{
case 0:
// peer closed
ACE_DEBUG((LM_ERROR, "[%D] AceSockHdrBase send failed"
",connection closed by foreign host"
",ret=%d"
",ip=%s"
"\n"
, ret
, remote_addr_.get_host_addr()
));
ack_msg->release();
ack_msg = NULL;
Stat::instance()->incre_stat(STAT_CODE_ACK_DISCONN);
return -1;
case -1:
if (errno == EWOULDBLOCK || errno == EAGAIN || errno == EINPROGRESS)
{
ACE_DEBUG((LM_ERROR, "[%D] AceSockHdrBase send failed,ret=%d"
",errno=%d,errmsg=%s,ip=%s\n"
, ret
, errno
, strerror(errno)
, remote_addr_.get_host_addr()
));
ack_msg->release();
ack_msg = NULL;
Stat::instance()->incre_stat(STAT_CODE_ACK_BLOCK);
return 0;
}
else
{
// abnormal error
ACE_DEBUG((LM_ERROR, "[%D] AceSockHdrBase send failed,ret=%d"
",errno=%d,errmsg=%s,ip=%s\n"
, ret
, errno
, strerror(errno)
, remote_addr_.get_host_addr()
));
ack_msg->release();
ack_msg = NULL;
Stat::instance()->incre_stat(STAT_CODE_ACK_ABNOR);
return -1;
}
default:
// normal case
ack_msg->rd_ptr(ret);
Stat::instance()->incre_stat(STAT_CODE_ACK_UNCOMP);
break;
}
if (ack_msg->length() != 0)
{
ungetq(ack_msg);
ACE_Reactor::instance()->schedule_wakeup(this, WRITE_MASK);
break;
}
else
{
ACE_DEBUG((LM_NOTICE, "[%D] AceSockHdrBase send ack_msg=0x%08x succ\n", ack_msg));
//正常发送完成，释放资源
ack_msg->release();
//delete ack_msg;
ack_msg = NULL;
if (this->msg_queue()->is_empty())
{
ACE_Reactor::instance()->cancel_wakeup(this, WRITE_MASK);
break;
}
this->getq(ack_msg);
}
}
return 0;
}
