unsigned int BufferedTransformation::TransferMessagesTo2(BufferedTransformation &target, unsigned int &messageCount, const std::string &channel, bool blocking)
{
if (AttachedTransformation())
return AttachedTransformation()->TransferMessagesTo2(target, messageCount, channel, blocking);
else
{
unsigned int maxMessages = messageCount;
for (messageCount=0; messageCount < maxMessages && AnyMessages(); messageCount++)
{
unsigned int blockedBytes;
unsigned long transferredBytes;
while (AnyRetrievable())
{
transferredBytes = ULONG_MAX;
blockedBytes = TransferTo2(target, transferredBytes, channel, blocking);
if (blockedBytes > 0)
return blockedBytes;
}
if (target.ChannelMessageEnd(channel, GetAutoSignalPropagation(), blocking))
return 1;
bool result = GetNextMessage();
assert(result);
}
return 0;
}
}
bool Store::GetNextMessage()
{
if (!m_messageEnd && !AnyRetrievable())
{
m_messageEnd=true;
return true;
}
else
return false;
}
bool MessageQueue::RetrieveNextMessage()
{
if (NumberOfMessages() > 0 && !AnyRetrievable())
{
m_lengths.pop_front();
return true;
}
else
return false;
}
bool MessageQueue::GetNextMessage()
{
if (NumberOfMessages() > 0 && !AnyRetrievable())
{
m_lengths.pop_front();
if (m_messageCounts[0] == 0 && m_messageCounts.size() > 1)
m_messageCounts.pop_front();
return true;
}
else
return false;
}
