char *GetQueueLast( MyQueue *p )
{
int queue_num = 0;
char *element = NULL;
queue_num = GetQueueNum( p );
element = GetQueueElem( p, queue_num );
return element;
}
// Write the received packet
bool LinkPaPutPacket(SESSION *s, void *data, UINT size)
{
LINK *k;
BLOCK *block = NULL;
SESSION *server_session;
CONNECTION *server_connection;
bool ret = true;
bool halting = false;
// Validate arguments
if (s == NULL || (k = (LINK *)s->PacketAdapter->Param) == NULL)
{
return false;
}
halting = (k->Halting || (*k->StopAllLinkFlag));
server_session = k->ServerSession;
server_connection = server_session->Connection;
k->Flag1++;
if ((k->Flag1 % 32) == 0)
{
// Ommit for performance
UINT current_num;
int diff;
current_num = GetQueueNum(server_connection->ReceivedBlocks);
diff = (int)current_num - (int)k->LastServerConnectionReceivedBlocksNum;
k->LastServerConnectionReceivedBlocksNum = current_num;
CedarAddQueueBudget(k->Cedar, diff);
}
// Since the packet arrives from the HUB of the link destination,
// deliver it to the ReceivedBlocks of the server session
if (data != NULL)
{
if (halting == false)
{
block = NewBlock(data, size, 0);
}
if (k->LockFlag == false)
{
UINT current_num;
int diff;
k->LockFlag = true;
LockQueue(server_connection->ReceivedBlocks);
current_num = GetQueueNum(server_connection->ReceivedBlocks);
diff = (int)current_num - (int)k->LastServerConnectionReceivedBlocksNum;
k->LastServerConnectionReceivedBlocksNum = current_num;
CedarAddQueueBudget(k->Cedar, diff);
}
if (halting == false)
{
if (CedarGetFifoBudgetBalance(k->Cedar) == 0)
{
FreeBlock(block);
}
else
{
InsertReveicedBlockToQueue(server_connection, block, true);
}
}
}
else
{
UINT current_num;
int diff;
current_num = GetQueueNum(server_connection->ReceivedBlocks);
diff = (int)current_num - (int)k->LastServerConnectionReceivedBlocksNum;
k->LastServerConnectionReceivedBlocksNum = current_num;
CedarAddQueueBudget(k->Cedar, diff);
if (k->LockFlag)
{
k->LockFlag = false;
UnlockQueue(server_connection->ReceivedBlocks);
}
// Issue the Cancel, since finished store all packets when the data == NULL
Cancel(server_session->Cancel1);
if (k->Hub != NULL && k->Hub->Option != NULL && k->Hub->Option->YieldAfterStorePacket)
{
YieldCpu();
}
}
if (halting)
{
ret = false;
}
return ret;
}
