void
mainLoop(QSocketDevice& socket, bool debug)
{
CommandProcessor processor;
QString data;
bool done = false;
while (!done) {
int timeout = -1;
if (processor.waitingForResults())
timeout = 50;
// TODO: different timeout if using POS and not ping
bool wasTimeout = false;
int result = socket.waitForMore(timeout, &wasTimeout);
if (socket.atEnd() && result == 0 && !wasTimeout)
break;
if (result == -1) {
logError("waitForMore error: %d", errno);
break;
}
if (processor.waitingForResults() && processor.resultsAvailable()) {
QString type;
QStringList results;
processor.getResults(type, results);
send(socket, type, results, debug);
}
if (wasTimeout) continue;
char buffer[result + 1];
result = socket.readBlock(buffer, result);
if (result == -1) {
logError("readBlock error: %d", errno);
break;
}
buffer[result] = 0;
data += QString::fromUtf8(buffer);
while (true) {
QString line;
if (data.left(1) == "\002") {
int index = data.find('\003');
if (index == -1) break;
line = data.mid(1, index - 1);
data = data.mid(index + 1);
} else {
int index = data.find('\n');
if (index == -1) break;
line = data.left(index);
data = data.mid(index + 1);
while (line.right(1) == "\r")
line = line.left(line.length() - 1);
}
if (line.isEmpty()) continue;
if (debug) logDebug("recv: " + line);
if (line == "ping") {
send(socket, "ping:", "pong", debug);
} else if (line == "quit" || line == "exit") {
done = true;
} else {
processor.processCommand(line);
if (processor.resultsAvailable()) {
QString type;
QStringList results;
processor.getResults(type, results);
send(socket, type, results, debug);
}
}
}
}
}
