STDMETHODIMP
BasicPacketFlow::OnPacket(UINT16 uStreamNumber, BasePacket** ppPacket)
{
if (m_bIsDone)
return HXR_UNEXPECTED;
PacketStream* pStream = &m_pStreams[uStreamNumber];
HX_ASSERT(pStream->m_bStreamRegistered);
BasePacket* pPacket;
for (; (pPacket = *ppPacket); ppPacket++)
{
// Do not check for IsStreamDone() because this is part of the
// resend mechanism
if (pPacket->IsResendRequested() && pPacket->m_uPriority != 10)
continue;
if (!pPacket->IsResendRequested())
pPacket->SetResendRequested();
UINT32 ulPos = m_ulResendIDPosition + 1;
if (ulPos == MAX_RESENDS_PER_SECOND)
ulPos = 0;
while (m_pResendIDs[ulPos] && ulPos != m_ulResendIDPosition)
{
ulPos++;
if (ulPos == MAX_RESENDS_PER_SECOND)
ulPos = 0;
}
if (m_pResendIDs[m_ulResendIDPosition = ulPos])
continue;
PacketFlowResendCallback* pResendCB =
new (m_pProc->pc->mem_cache) PacketFlowResendCallback();
pResendCB->AddRef();
pResendCB->m_pTransport = pStream->m_pTransport;
pResendCB->m_pPacket = pPacket;
pResendCB->m_pPacket->AddRef();
pResendCB->m_pZeroMe = m_pResendIDs + m_ulResendIDPosition;
UINT32 ulMinWaitTime;
if ((m_pRateManager) && (m_pRateManager->GetActualDeliveryRate() > 60000))
ulMinWaitTime = 500;
else
ulMinWaitTime = 10;
UINT32 ulTime = rand() % 300 + ulMinWaitTime;
// printf("%p %p %p %p %p\n", this, m_pProc, m_pProc->pc, m_pProc->pc->engine,
// m_pProc->pc->engine->schedule);
// fflush(stdout);
m_pResendIDs[m_ulResendIDPosition] =
m_pProc->pc->engine->schedule.enter(
m_pProc->pc->engine->now + Timeval(0, ulTime * 1000),
pResendCB);
pResendCB->Release();
}
return HXR_OK;
}
