/**
* Generate the challenge string.
*
* @return a generated nonce.
*/
public String generateNonce() {
// Get the time of day and run MD5 over it.
Date date = new Date();
long time = date.getTime();
Random rand = new Random();
long pad = rand.nextLong();
String nonceString = (new Long(time)).toString() + (new Long(pad)).toString();
byte mdbytes[] = messageDigest.digest(nonceString.getBytes());
// Convert the mdbytes array into a hex string.
return ProxyUtilities.toHexString(mdbytes);
}
public double runTest(String exec, String seed) {
try {
this.exec = exec;
readFiles();
Random r;
try {
r = SecureRandom.getInstance("SHA1PRNG");
r.setSeed(Long.parseLong(seed));
} catch (Exception e) {
return -1;
}
P = r.nextDouble() * 0.04 + 0.01;
C = r.nextDouble() * 1e-3;
String[] medkit = getMedkit(availableResources, requiredResources, missions, P, C);
if (medkit == null) {
System.err.println("Got null");
return 0;
}
double[] mk = new double[10000];
for (int i = 0; i < medkit.length; i++) {
String[] sp = medkit[i].split(" ");
if (sp.length != 2) {
System.err.println("Invalid return. Element not formatted correctly: " + medkit[i]);
return 0;
}
try {
int rid = Integer.parseInt(sp[0].substring(1));
double cnt = Double.parseDouble(sp[1]);
if (cnt < 0 || Double.isNaN(cnt) || Double.isInfinite(cnt)) {
System.err.println("Your return contained an invalid double");
return 0;
}
mk[rid] += cnt;
} catch (Exception e) {
System.err.println("Invalid return. Element not formatted correctly: " + medkit[i]);
return 0;
}
}
String[] sample = missions;
int[] used = new int[100000];
ArrayList<String[]> al[] = new ArrayList[10000];
Arrays.fill(used, -1);
for (int i = 0; i < 10000; i++) {
al[i] = new ArrayList();
int j = r.nextInt(used.length);
while (used[j] != -1) {
j = r.nextInt(used.length);
}
used[j] = i;
}
for (int i = 0; i < sample.length; i++) {
String[] sp = sample[i].split(" ");
int mid = Integer.parseInt(sp[0]);
if (used[mid - 1] != -1) {
al[used[mid - 1]].add(sp);
}
}
int evac = 0;
for (int i = 0; i < 10000; i++) {
double[] m = (double[]) mk.clone();
evac += eval(m, al[i]);
}
System.err.println("Total evacuations: " + evac + "\n");
if (evac <= P * 10000) {
double score = 0;
double m = 0, v = 0;
for (int i = 0; i < mk.length; i++) {
m += mass[i] * mk[i];
v += vol[i] * mk[i];
}
score = C * v + m;
System.out.println("Total mass: " + m + "\n");
System.out.println("Total volume: " + v + "\n");
return 1000 / score;
} else {
System.out.println("Evacutions exceeded allowed rate");
return 0;
}
} catch (Exception e) {
System.err.println(e.toString() + "\n");
StackTraceElement[] ste = e.getStackTrace();
for (int i = 0; i < ste.length; i++) System.err.println(ste[i] + "\n");
return -1;
}
}