/* perform the operations for a frame:
* - check to see if the connections are still alive (checkAlive)
* - this will emit connectionsChanged if there is a any change in the connection status
* - grab a text stream of the current model data ( stream << *subjectList )
* - put the text stream on the wire s->write(...)
*/
void MyServer::process()
{
stopProfile("Other");
working = true;
startProfile("checkAlive");
int alive = checkAlive();
stopProfile("checkAlive");
if(alive > 0)
{
startProfile("Serve");
count++;
QString buffer;
QTextStream stream(&buffer);
// The following operation is threadsafe.
startProfile("Fetch");
subjectList->read(stream, true);
stopProfile("Fetch");
startProfile("Wait");
listMutex.lock();
stopProfile("Wait");
// for each connection
for(QList<ServerConnection *>::iterator i = connections.begin(); i != connections.end(); i++)
{
QTcpSocket *s = (*i)->socket;
if(s->state() != QAbstractSocket::ConnectedState) continue;
QString d = QString("%1\nEND\r\n").arg(buffer);
startProfile("Write");
int written = s->write(d.toUtf8());
stopProfile("Write");
if(written == -1)
{
emit outMessage(QString(" Error writing to %1").arg(s->peerAddress().toString()));
}
else
{
s->flush();
}
}
listMutex.unlock();
stopProfile("Serve");
}
working = false;
startProfile("Other");
}
int
CAPerfCfg::readSampleData()
{
// read the contents from mmap buffers
// wait for the poll event
// if profiling is done,
// stop the profile
for (; ;) {
readMmapBuffers();
if (m_profileCompleted) {
break;
}
int ret = poll(m_samplingPollFds, m_pollFds, -1);
if (m_profileCompleted) {
// FIXME: stop only if the profile is still running
stopProfile();
}
}
}
