bool HTTPSourceMMIExtensionEventHandler::HTTPMMIEventQManager<T>::Peek
(
T& eventToRead
)
{
bool bOk = false;
//Check if the queue is already empty, if not get the event from
//the queue
if (IsQEmpty())
{
QTV_MSG_PRIO( QTVDIAG_STREAMING, QTVDIAG_PRIO_MEDIUM,
"MMIEventQManager - MMI event queue empty" );
}
else
{
(void)MM_CriticalSection_Enter(m_hEventQLock);
if (m_nEventReadIndex < ARR_SIZE(m_eventQ))
{
bOk = true;
eventToRead = m_eventQ[m_nEventReadIndex];
QTV_MSG_PRIO2( QTVDIAG_STREAMING, QTVDIAG_PRIO_MEDIUM,
"MMIEventQManager - Peeked event from index %u, "
"%u events remain", m_nEventReadIndex, m_nOutstandingEvents );
}
(void)MM_CriticalSection_Leave(m_hEventQLock);
}
return bOk;
}
//++dralee_20060327
//only for PPS enabled. when sleepperiod command is set and no queued packets & pending Q
UCHAR CheckLastPacketIndication(IN PMRVDRV_ADAPTER Adapter)
{
if( Adapter->sleepperiod != 0 &&
Adapter->TxPacketCount == 0 &&
Adapter->CurCmd == 0 && //dralee_20060706
IsQEmpty(&Adapter->CmdPendQ) )
return 1;
else
return 0;
}
int IsGraphBipartite(void)
{
/* Start with node 0 of the graph as root node of BFS Tree */
if (num >0) {
/* Colour the first node or 0th node and EnQ it */
color[0] = RED;
EnQ(0);
}
while (!IsQEmpty()) {
int k;
/* DeQ one element and make it currently working Node */
int cwn = DeQ();
printf("Dequeued value is [%d] color[%d]\n", cwn, color[cwn]);
if (IsQEmpty()) {
printf(" Q is empty...\n");
}
/* Check each neighbouring node of currently working node and try color it opposite to currently working node*/
for(k=0; k <num; k++) {
if (mat[cwn][k]) {
if (color[k] == color[cwn]) {
printf("Got an vertex [%d] from [%d] which is already coloured [%s]\n", k, cwn, whichcolor(color[k]));
printf("Currently working node colour is also [%s]\n", whichcolor(color[cwn]));
return 0;
} else if (color[k] == NOTCOLORED) {
/* Color the adjacent node and Enqueue it */
color[k] = opposite(color[cwn]);
/* EnQ all the neightbouring nodes to Q */
EnQ(k);
}
}
}
}
return 1;
}
int DeQ()
{
if(IsQEmpty()) {
return -1;
}
/* DeQueue element */
int element = Q[f];
if (f==r){ /* Only one element in Q */
f = r = -1;
} else {
f++;
}
return element;
}
bool HTTPSourceMMIExtensionEventHandler::HTTPMMIEventQManager<T>::Dequeue
(
T& eventToRead
)
{
bool bOk = false;
//Check if the queue is already empty, if not get the event from
//the queue
if (IsQEmpty())
{
QTV_MSG_PRIO( QTVDIAG_STREAMING, QTVDIAG_PRIO_MEDIUM,
"MMIEventQManager - MMI event queue empty" );
}
else
{
(void)MM_CriticalSection_Enter(m_hEventQLock);
if (m_nEventReadIndex < ARR_SIZE(m_eventQ))
{
//Dequeue the event and update the read index and number of queued events
bOk = true;
eventToRead = m_eventQ[m_nEventReadIndex];
m_nOutstandingEvents--;
QTV_MSG_PRIO2( QTVDIAG_STREAMING, QTVDIAG_PRIO_MEDIUM,
"MMIEventQManager - Dequeued event from index %u, "
"%u events remain", m_nEventReadIndex, m_nOutstandingEvents );
m_nEventReadIndex = (m_nEventReadIndex + 1) % (uint32)ARR_SIZE(m_eventQ);
}
else
{
QTV_MSG_PRIO1( QTVDIAG_STREAMING, QTVDIAG_PRIO_ERROR,
"MMIEventQManager - Invalid MMI event queue read index %u",
m_nEventReadIndex );
}
(void)MM_CriticalSection_Leave(m_hEventQLock);
}
return bOk;
}
