// Loads traffic from file
public final void load() {
sessionInTraffic = 0;
sessionOutTraffic = 0;
savedCost = 0;
lastTimeUsed = new Date(1);
costPerDaySum = 0;
savedSince = new Date();
Storage traffic = new Storage("traffic");
try {
traffic.open(false);
byte[] buf = traffic.getRecord(2);
ByteArrayInputStream bais = new ByteArrayInputStream(buf);
DataInputStream dis = new DataInputStream(bais);
allInTraffic = dis.readInt();
allOutTraffic = dis.readInt();
savedSince.setTime(dis.readLong());
lastTimeUsed.setTime(dis.readLong());
savedCost = dis.readInt();
} catch (Exception e) {
savedSince.setTime(new Date().getTime());
allInTraffic = 0;
sessionOutTraffic = 0;
savedCost = 0;
}
traffic.close();
}
// Reset the saved value
public void reset() {
allInTraffic = 0;
allOutTraffic = 0;
savedCost = 0;
savedSince.setTime(new Date().getTime());
try {
safeSave();
} catch (Exception e) { // Do nothing
}
}
// Saves traffic from file
private synchronized void save() throws IOException, RecordStoreException {
// Open record store
Storage traffic = new Storage("traffic");
traffic.open(true);
// Add empty records if necessary
traffic.initRecords(2);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(baos);
// Add traffic amount and savedSince to record store
dos.writeInt(allInTraffic + sessionInTraffic);
dos.writeInt(allOutTraffic + sessionOutTraffic);
dos.writeLong(savedSince.getTime());
dos.writeLong(lastTimeUsed.getTime());
generateCostSum(0, 0, false);
dos.writeInt(savedCost);
traffic.setRecord(2, baos.toByteArray());
traffic.close();
}
// Generates int of money amount spent on connection
protected int generateCostSum(int in, int out, boolean thisSession) {
int cost = 0;
int costOf1M = Options.getInt(Options.OPTION_COST_OF_1M) * 100;
int costPacketLength = Math.max(Options.getInt(Options.OPTION_COST_PACKET_LENGTH), 1);
long packets = 0;
if (0 != in) {
packets += (in + costPacketLength - 1) / costPacketLength;
}
if (0 != out) {
packets += (out + costPacketLength - 1) / costPacketLength;
}
cost += (int) (packets * costPacketLength * costOf1M / (1024 * 1024));
if (!usedToday() && (0 != sessionInTraffic) && (0 == costPerDaySum)) {
costPerDaySum = costPerDaySum + Options.getInt(Options.OPTION_COST_PER_DAY);
lastTimeUsed.setTime(new Date().getTime());
}
return cost + costPerDaySum;
}