UtlBoolean MpResource::handleMessages(OsMsgQ& msgQ)
{
UtlBoolean handledAllMsgs = FALSE;
while(!msgQ.isEmpty())
{
OsMsg* msg;
OsStatus recvStat = msgQ.receive(msg, OsTime::NO_WAIT_TIME);
UtlBoolean curMsgHandled = FALSE;
if (recvStat == OS_SUCCESS)
{
if (msg->getMsgType() == OsMsg::MP_FLOWGRAPH_MSG)
{
MpFlowGraphMsg* fgMsg = static_cast<MpFlowGraphMsg*>(msg);
if (fgMsg != NULL)
{
curMsgHandled = handleMessage(*fgMsg);
}
}
else if (msg->getMsgType() == OsMsg::MP_RESOURCE_MSG)
{
MpResourceMsg* rMsg = static_cast<MpResourceMsg*>(msg);
if (rMsg != NULL)
{
curMsgHandled = handleMessage(*rMsg);
}
}
// TODO: If message received is not handled, it might be good
// to stuff the message back into the front of the queue
// with msgQ.sendUrgent(msg, OsTime::NO_WAIT_TIME);
// I haven't thought through the ramifications of this,
// so I haven't implemented it yet.
}
// Stop at the first message we encounter that is not handled.
if (curMsgHandled == FALSE)
{
break;
}
// If the queue is empty at this point,
// then all messages have been handled.
if (msgQ.isEmpty())
{
handledAllMsgs = TRUE;
}
}
return handledAllMsgs;
}
void testEnabledNoData()
{
MprToSpkr* pToSpkr = NULL;
OsMsgQ* pSpkQ = NULL;
OsMsgQ* pEchoQ = NULL;
MpAudioBufPtr pBuf;
OsStatus res;
// Create message queues to get data from MprToSpkr
pSpkQ = new OsMsgQ(MSG_Q_LEN);
CPPUNIT_ASSERT(pSpkQ != NULL);
pEchoQ = new OsMsgQ(MSG_Q_LEN);
CPPUNIT_ASSERT(pEchoQ != NULL);
pToSpkr = new MprToSpkr("MprToSpkr",
pSpkQ, pEchoQ);
CPPUNIT_ASSERT(pToSpkr != NULL);
setupFramework(pToSpkr);
// pToSpkr enabled, there are no buffers on the input 0, message queue
// is empty.
CPPUNIT_ASSERT(mpSourceResource->disable());
CPPUNIT_ASSERT(pToSpkr->enable());
res = mpFlowGraph->processNextFrame();
CPPUNIT_ASSERT(res == OS_SUCCESS);
// No buffers processed
CPPUNIT_ASSERT( !mpSourceResource->mLastDoProcessArgs.outBufs[0].isValid()
&& !mpSinkResource->mLastDoProcessArgs.inBufs[0].isValid()
&& pSpkQ->isEmpty()
&& pEchoQ->isEmpty()
);
// Stop flowgraph
haltFramework();
// Free message queues
delete pSpkQ;
delete pEchoQ;
}