NODE_COUNT = Network.getInstance().nodesCount();
Random generator = new Random(NODE_ID);
boolean toggle = false;
int containsCalls = 0, addCalls = 0, removeCalls = 0;
SET = (DistributedSet<Integer>) Class.forName("edu.vt.rt.datastructures.lang." + SET_CLASS).getDeclaredConstructor(String.class).newInstance("LinkedList");
DCounter callCount = new DCounter("callCount");
DSynchronizer start = new DSynchronizer("startSync"), finished = new DSynchronizer("finishedSync");
DSynchronizer[] nodes = new DSynchronizer[NODE_COUNT-1];
for (int i = 0; i < NODE_COUNT-1; i++) {
nodes[i] = new DSynchronizer("node " + Integer.toString(i+1) + " finished sync");
}
//Start HyFlow
HyFlow.start(NODE_ID);
//Populate system
if (NODE_ID == 0) {
start.create();
SET.create();
callCount.create();
finished.create();
//load up the list with some initial values
Random gen = new Random(1988);
for (int i = 0; i < NUM_ELEMS; i++) {
SET.add(gen.nextInt(NUM_SPAN));
}
start.setReady();
}
else {
//Make other nodes wait for master to populate data structure
nodes[NODE_ID-1].create();
while (!start.isReady()) {}
}
//Run Experiment
long startTime = System.currentTimeMillis(), endTime = startTime;
while (endTime - startTime < RUN_TIME) {
int functionType = generator.nextInt(100);
int value = generator.nextInt(NUM_SPAN);
if (functionType >= EXPERIMENT) { //Read function
SET.contains(value);
containsCalls++;
}
else { //Write function
toggle = !toggle; //Keep adds and removes even
if (toggle) {
SET.add(value);
addCalls++;
}
else {
SET.remove(value);
removeCalls++;
}
}
endTime = System.currentTimeMillis();
}
long totalTime = TimeUnit.SECONDS.convert(endTime-startTime, TimeUnit.MILLISECONDS);
long callsPerSecond = (containsCalls + addCalls + removeCalls) / totalTime;
if (NODE_ID == 0) {
//Wait for all other nodes to report results
int i = 0;
while (i != NODE_COUNT-1) {
if (nodes[i].isReady()) {
i++;
}
}
//Print out total results
callsPerSecond += callCount.getCount();
finished.setReady();
System.out.println(EXPERIMENT + "\t" + NODE_COUNT + "\t" + NUM_ELEMS + "\t" + callsPerSecond);
//Give other nodes time to determine tests are finished
Thread.sleep(2000);
}
else {
callCount.add(callsPerSecond);
nodes[NODE_ID-1].setReady();
while (!finished.isReady()) {}
}
System.exit(0);
}