Log() {
n = 0;
done = false;
output.open(LOG_FILE);
if (!output.is_open()) {
output.copyfmt(cout);
output.clear(cout.rdstate());
output.basic_ios<char>::rdbuf(cout.rdbuf());
}
logStartTime = chrono::high_resolution_clock::now();
t = thread([&]() {
Report report;
while (!done) {
for (int i = 0; i < NUMBER_OF_QUEUES; ++i)
while (queue[i].pop(report)) // XXX change to if to avoid starvation?
priority.push(report);
double now = chrono::duration_cast<chrono::duration<double>>(
chrono::high_resolution_clock::now() - logStartTime).count();
while ((!priority.empty()) && ((now - priority.top().time) > 0.5)) {
output << priority.top().text << endl;
priority.pop();
}
usleep(WAIT_MICROSECONDS);
}
for (int i = 0; i < NUMBER_OF_QUEUES; ++i)
while (queue[i].pop(report))
priority.push(report);
while (!priority.empty()) {
output << priority.top().text << endl;
priority.pop();
}
});
}
