Example #1
0
int WorldSocket::handle_output_queue (GuardType& g)
{
    if (msg_queue()->is_empty())
        return cancel_wakeup_output(g);

    ACE_Message_Block* mblk;

    if (msg_queue()->dequeue_head(mblk, (ACE_Time_Value*)&ACE_Time_Value::zero) == -1)
    {
        sLog->outError(LOG_FILTER_NETWORKIO, "WorldSocket::handle_output_queue dequeue_head");
        return -1;
    }

    const size_t send_len = mblk->length();

#ifdef MSG_NOSIGNAL
    ssize_t n = peer().send (mblk->rd_ptr(), send_len, MSG_NOSIGNAL);
#else
    ssize_t n = peer().send (mblk->rd_ptr(), send_len);
#endif // MSG_NOSIGNAL

    if (n == 0)
    {
        mblk->release();

        return -1;
    }
    else if (n == -1)
    {
        if (errno == EWOULDBLOCK || errno == EAGAIN)
        {
            msg_queue()->enqueue_head(mblk, (ACE_Time_Value*) &ACE_Time_Value::zero);
            return schedule_wakeup_output (g);
        }

        mblk->release();
        return -1;
    }
    else if (n < (ssize_t)send_len) //now n > 0
    {
        mblk->rd_ptr(static_cast<size_t> (n));

        if (msg_queue()->enqueue_head(mblk, (ACE_Time_Value*) &ACE_Time_Value::zero) == -1)
        {
            sLog->outError(LOG_FILTER_NETWORKIO, "WorldSocket::handle_output_queue enqueue_head");
            mblk->release();
            return -1;
        }

        return schedule_wakeup_output (g);
    }
    else //now n == send_len
    {
        mblk->release();

        return msg_queue()->is_empty() ? cancel_wakeup_output(g) : ACE_Event_Handler::WRITE_MASK;
    }

    ACE_NOTREACHED(return -1);
}
Example #2
0
int WorldSocket::handle_output(ACE_HANDLE)
{
    ACE_GUARD_RETURN(LockType, Guard, m_OutBufferLock, -1);

    if (closing_)
        { return -1; }

    const size_t send_len = m_OutBuffer->length();

    if (send_len == 0)
        { return cancel_wakeup_output(Guard); }

#ifdef MSG_NOSIGNAL
    ssize_t n = peer().send(m_OutBuffer->rd_ptr(), send_len, MSG_NOSIGNAL);
#else
    ssize_t n = peer().send(m_OutBuffer->rd_ptr(), send_len);
#endif // MSG_NOSIGNAL

    if (n == 0)
        { return -1; }
    else if (n == -1)
    {
        if (errno == EWOULDBLOCK || errno == EAGAIN)
            { return schedule_wakeup_output(Guard); }

        return -1;
    }
    else if (n < (ssize_t)send_len) // now n > 0
    {
        m_OutBuffer->rd_ptr(static_cast<size_t>(n));

        // move the data to the base of the buffer
        m_OutBuffer->crunch();

        return schedule_wakeup_output(Guard);
    }
    else // now n == send_len
    {
        m_OutBuffer->reset();

        if (!iFlushPacketQueue())
            { return cancel_wakeup_output(Guard); }
        else
            { return schedule_wakeup_output(Guard); }
    }

    ACE_NOTREACHED(return 0);
}