private int[] getNewList(int size, int min, int max) {
int[] returnArray = new int[size];
try {
URL randomOrg =
new URL(
"http://www.random.org/cgi-bin/randnum?"
+ "num="
+ size
+ "&min="
+ min
+ "&max="
+ max
+ "&col=1");
HttpURLConnection con = (HttpURLConnection) randomOrg.openConnection();
con.setRequestMethod("GET");
con.setDoInput(true);
InputStream in = con.getInputStream();
InputStreamReader isr = new InputStreamReader(in);
BufferedReader br = new BufferedReader(isr);
String theLine;
for (int i = 0; i < size; i++) {
returnArray[i] = Integer.parseInt(br.readLine());
}
con.disconnect();
}
// if something fails, revert to something a little less random, but still good
// the hashCode is based on the objects memory address, which is unique for each object
catch (Exception e) {
Random r = new Random();
r.setSeed(r.hashCode());
for (int i = 0; i < size; i++) returnArray[i] = r.nextInt(max);
}
return returnArray;
}
/**
* set the seed for the random stream used in BottomUpHierModel to determine how many routers are
* assigned to a specific AS
*/
public void setAssignSeed(long seed) {
AssignSeed = seed;
AssignRandom.setSeed(seed);
}
/**
* set the seed for the random stream used in TopDownHierModel for the Edge Connection method
* (i.e. connecting ASs)
*/
public void setEdgeConnSeed(long seed) {
ECSeed = seed;
EdgeConnRandom.setSeed(seed);
}
/**
* set the seed for the random stream used in BottomUpHierModel to select routers go into a
* specifc AS
*/
public void setGroupingSeed(long seed) {
GroupSeed = seed;
GroupingRandom.setSeed(seed);
}
/** set the seed for the random stream used to assign bandwidths to edges */
public void setBWSeed(long seed) {
BWSeed = seed;
BWRandom.setSeed(seed);
}
/** set the seed for the random stream used to connect nodes */
public void setConnectNodesSeed(long seed) {
connectSeed = seed;
ConnectRandom.setSeed(seed);
}
/** set the seed for the random stream used to place nodes on the plane */
public void setPlaceNodesSeed(long seed) {
placeSeed = seed;
PlaceRandom.setSeed(seed);
}
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;
}
}
/**
* When deserializing, initialize the seed because otherwise we could get duplicate evolution
* results when doing distributed computing!
*
* @param a_inputStream the ObjectInputStream provided for deserialzation
* @throws IOException
* @throws ClassNotFoundException
* @author Klaus Meffert
* @since 3.01
*/
private void readObject(ObjectInputStream a_inputStream)
throws IOException, ClassNotFoundException {
// always perform the default de-serialization first
a_inputStream.defaultReadObject();
m_rn.setSeed(System.currentTimeMillis());
}