public int compare(HostData o1, HostData o2) {
double compare =
o1.getCurrentStatus().getResourcesInUse().getCpu()
- o2.getCurrentStatus().getResourcesInUse().getCpu();
if (compare < 0) return -1;
else if (compare > 0) return 1;
return 0;
}
public int compare(HostData o1, HostData o2) {
double compare =
o1.getHostDescription().getPowerEfficiency()
- o2.getHostDescription().getPowerEfficiency();
if (compare < 0) return -1;
else if (compare > 0) return 1;
return 0;
}
public int compare(HostData o1, HostData o2) {
double compare =
o1.getHostDescription().getResourceCapacity().getBandwidth()
- o2.getHostDescription().getResourceCapacity().getBandwidth();
if (compare < 0) return -1;
else if (compare > 0) return 1;
return 0;
}
public int compare(HostData o1, HostData o2) {
double compare =
(o1.getCurrentStatus().getResourcesInUse().getCpu()
/ o1.getHostDescription().getResourceCapacity().getCpu())
- (o2.getCurrentStatus().getResourcesInUse().getCpu()
/ o2.getHostDescription().getResourceCapacity().getCpu());
if (compare < 0) return -1;
else if (compare > 0) return 1;
return 0;
}
public int compare(HostData o1, HostData o2) {
int o1State;
int o2State;
if (o1.getCurrentStatus().getState() == Host.HostState.ON) o1State = 2;
else if (o1.getCurrentStatus().getState() == Host.HostState.SUSPENDED) o1State = 1;
else o1State = 0; // ranks off and transition states lowest
if (o2.getCurrentStatus().getState() == Host.HostState.ON) o2State = 2;
else if (o2.getCurrentStatus().getState() == Host.HostState.SUSPENDED) o2State = 1;
else o2State = 0; // ranks off and transition states lowest
return o1State - o2State;
}
public double calculate(HostData host) {
ArrayList<VmAllocation> vms =
new ArrayList<VmAllocation>(host.getHost().getVMAllocations());
vms.add(host.getHost().getPrivDomainAllocation());
int cpu = 0;
int mem = 0;
double bw = 0;
for (VmAllocation vm : vms) {
// If the VMAllocation has an associated VM, record its resource allocation.
if (vm.getVm() != null) cpu += vm.getCpu();
mem += vm.getMemory();
bw += vm.getBandwidth();
}
Resources res = host.getHostDescription().getResourceCapacity();
return (cpu * mem * bw) / (res.getCpu() * res.getMemory() * res.getBandwidth());
}
/** Test the hexadecimal string representation of the host data. */
public void testToHexString() {
assertTrue(null == HostData.toHexString(null));
try {
assertTrue(null == HostData.toHexString(new byte[0], 5, 10));
fail("Length error not detected");
} catch (IllegalArgumentException e) {
assertEquals("Invalid start or length parameter", e.getMessage());
}
assertEquals("00", HostData.toHexString(new byte[] {0x00}));
assertEquals("0001", HostData.toHexString(new byte[] {0x00, 0x01}));
assertEquals("0001ff", HostData.toHexString(new byte[] {0x00, 0x01, -0x01}));
assertEquals("", HostData.toHexString(new byte[] {0x00, 0x01}, 0, 0));
assertEquals("00", HostData.toHexString(new byte[] {0x00, 0x01}, 0, 1));
assertEquals("01", HostData.toHexString(new byte[] {0x00, 0x01}, 1, 1));
}
public int compare(HostData o1, HostData o2) {
return o1.getHostDescription().getResourceCapacity().getMemory()
- o2.getHostDescription().getResourceCapacity().getMemory();
}
public int compare(HostData o1, HostData o2) {
return o1.getHostDescription().getCoreCapacity() - o2.getHostDescription().getCoreCapacity();
}
public int compare(HostData o1, HostData o2) {
return o1.getHostDescription().getCpuCount() * o1.getHostDescription().getCoreCount()
- o2.getHostDescription().getCpuCount() * o2.getHostDescription().getCoreCount();
}
/** Test the hexadecimal string representation of the host data with maximum. */
public void testToHexStringWithMax() {
assertTrue(null == HostData.toHexString(null, 100));
try {
assertTrue(null == HostData.toHexString(new byte[0], 5, 10, 100));
fail("Length error not detected");
} catch (IllegalArgumentException e) {
assertEquals("Invalid start or length parameter", e.getMessage());
}
try {
assertEquals("0001", HostData.toHexString(new byte[] {0x00, 0x01}, 1));
fail("Length error not detected");
} catch (IllegalArgumentException e) {
assertEquals("maxBytes cannot be smaller than 2", e.getMessage());
}
assertEquals("0001", HostData.toHexString(new byte[] {0x00, 0x01}, 2));
assertEquals("0001", HostData.toHexString(new byte[] {0x00, 0x01}, 3));
assertEquals("00....02", HostData.toHexString(new byte[] {0x00, 0x01, 0x02}, 2));
assertEquals("00....03", HostData.toHexString(new byte[] {0x00, 0x01, 0x02, 0x03}, 2));
assertEquals("00....03", HostData.toHexString(new byte[] {0x00, 0x01, 0x02, 0x03}, 3));
assertEquals("00010203", HostData.toHexString(new byte[] {0x00, 0x01, 0x02, 0x03}, 4));
assertEquals(
"00....04", HostData.toHexString(new byte[] {0x00, 0x01, 0x02, 0x03, 0x04}, 0, 5, 2));
assertEquals(
"00....03", HostData.toHexString(new byte[] {0x00, 0x01, 0x02, 0x03, 0x04}, 0, 4, 2));
assertEquals(
"01....04", HostData.toHexString(new byte[] {0x00, 0x01, 0x02, 0x03, 0x04}, 1, 4, 2));
assertEquals(
"01020304", HostData.toHexString(new byte[] {0x00, 0x01, 0x02, 0x03, 0x04}, 1, 4, 4));
}
