/**
* Tests sending 1, 2 (OOB) and 3, where they are received in the order 1, 3, 2. Message 3 should
* not get delivered until message 4 is received (http://jira.jboss.com/jira/browse/JGRP-780)
*/
public void testRegularAndOOBUnicasts() throws Exception {
DISCARD discard = new DISCARD();
ProtocolStack stack = a.getProtocolStack();
stack.insertProtocol(discard, ProtocolStack.BELOW, UNICAST.class, UNICAST2.class);
Address dest = b.getAddress();
Message m1 = new Message(dest, null, 1);
Message m2 = new Message(dest, null, 2);
m2.setFlag(Message.OOB);
Message m3 = new Message(dest, null, 3);
MyReceiver receiver = new MyReceiver("C2");
b.setReceiver(receiver);
a.send(m1);
discard.setDropDownUnicasts(1);
a.send(m2);
a.send(m3);
Collection<Integer> list = receiver.getMsgs();
int count = 10;
while (list.size() < 3 && --count > 0) {
Util.sleep(500); // time for potential retransmission
sendStableMessages(a, b);
}
assert list.size() == 3 : "list is " + list;
assert list.contains(1) && list.contains(2) && list.contains(3);
}
/** Tests https://jira.jboss.org/jira/browse/JGRP-1079 */
public void testOOBMessageLoss() throws Exception {
Util.close(b); // we only need 1 channel
MyReceiver receiver = new MySleepingReceiver("C1", 1000);
a.setReceiver(receiver);
TP transport = a.getProtocolStack().getTransport();
transport.setOOBRejectionPolicy("discard");
final int NUM = 10;
for (int i = 1; i <= NUM; i++) {
Message msg = new Message(null, null, i);
msg.setFlag(Message.OOB);
a.send(msg);
}
STABLE stable = (STABLE) a.getProtocolStack().findProtocol(STABLE.class);
if (stable != null) stable.runMessageGarbageCollection();
Collection<Integer> msgs = receiver.getMsgs();
for (int i = 0; i < 20; i++) {
if (msgs.size() == NUM) break;
Util.sleep(1000);
sendStableMessages(a, b);
}
System.out.println("msgs = " + Util.print(msgs));
assert msgs.size() == NUM
: "expected " + NUM + " messages but got " + msgs.size() + ", msgs=" + Util.print(msgs);
for (int i = 1; i <= NUM; i++) {
assert msgs.contains(i);
}
}
/** Tests https://jira.jboss.org/jira/browse/JGRP-1079 for unicast messages */
public void testOOBUnicastMessageLoss() throws Exception {
MyReceiver receiver = new MySleepingReceiver("C2", 1000);
b.setReceiver(receiver);
a.getProtocolStack().getTransport().setOOBRejectionPolicy("discard");
final int NUM = 10;
final Address dest = b.getAddress();
for (int i = 1; i <= NUM; i++) {
Message msg = new Message(dest, null, i);
msg.setFlag(Message.OOB);
a.send(msg);
}
Collection<Integer> msgs = receiver.getMsgs();
for (int i = 0; i < 20; i++) {
if (msgs.size() == NUM) break;
Util.sleep(1000);
// sendStableMessages(c1,c2); // not needed for unicasts !
}
assert msgs.size() == NUM
: "expected " + NUM + " messages but got " + msgs.size() + ", msgs=" + Util.print(msgs);
for (int i = 1; i <= NUM; i++) {
assert msgs.contains(i);
}
}
public void testRegularAndOOBMulticasts() throws Exception {
DISCARD discard = new DISCARD();
ProtocolStack stack = a.getProtocolStack();
stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK2.class);
a.setDiscardOwnMessages(true);
Address dest = null; // send to all
Message m1 = new Message(dest, null, 1);
Message m2 = new Message(dest, null, 2);
m2.setFlag(Message.OOB);
Message m3 = new Message(dest, null, 3);
MyReceiver receiver = new MyReceiver("C2");
b.setReceiver(receiver);
a.send(m1);
discard.setDropDownMulticasts(1);
a.send(m2);
a.send(m3);
Util.sleep(500);
Collection<Integer> list = receiver.getMsgs();
for (int i = 0; i < 10; i++) {
System.out.println("list = " + list);
if (list.size() == 3) break;
Util.sleep(1000); // give the asynchronous msgs some time to be received
sendStableMessages(a, b);
}
assert list.size() == 3 : "list is " + list;
assert list.contains(1) && list.contains(2) && list.contains(3);
}
public void testRegularAndOOBUnicasts2() throws Exception {
DISCARD discard = new DISCARD();
ProtocolStack stack = a.getProtocolStack();
stack.insertProtocol(
discard, ProtocolStack.BELOW, (Class<? extends Protocol>[]) Util.getUnicastProtocols());
Address dest = b.getAddress();
Message m1 = new Message(dest, 1);
Message m2 = new Message(dest, 2).setFlag(Message.Flag.OOB);
Message m3 = new Message(dest, 3).setFlag(Message.Flag.OOB);
Message m4 = new Message(dest, 4);
MyReceiver receiver = new MyReceiver("B");
b.setReceiver(receiver);
a.send(m1);
discard.setDropDownUnicasts(2);
a.send(m2); // dropped
a.send(m3); // dropped
a.send(m4);
Collection<Integer> list = receiver.getMsgs();
int count = 10;
while (list.size() < 4 && --count > 0) {
Util.sleep(500); // time for potential retransmission
sendStableMessages(a, b);
}
System.out.println("list = " + list);
assert list.size() == 4 : "list is " + list;
assert list.contains(1) && list.contains(2) && list.contains(3) && list.contains(4);
}
@Test(invocationCount = 5)
@SuppressWarnings("unchecked")
public void testRandomRegularAndOOBMulticasts() throws Exception {
DISCARD discard = new DISCARD();
discard.setLocalAddress(a.getAddress());
discard.setDownDiscardRate(0.5);
ProtocolStack stack = a.getProtocolStack();
stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK2.class);
MyReceiver r1 = new MyReceiver("C1"), r2 = new MyReceiver("C2");
a.setReceiver(r1);
b.setReceiver(r2);
final int NUM_MSGS = 20;
final int NUM_THREADS = 10;
send(null, NUM_MSGS, NUM_THREADS, 0.5); // send on random channel (c1 or c2)
Collection<Integer> one = r1.getMsgs(), two = r2.getMsgs();
for (int i = 0; i < 10; i++) {
if (one.size() == NUM_MSGS && two.size() == NUM_MSGS) break;
System.out.println("one size " + one.size() + ", two size " + two.size());
Util.sleep(1000);
sendStableMessages(a, b);
}
System.out.println("one size " + one.size() + ", two size " + two.size());
stack.removeProtocol("DISCARD");
for (int i = 0; i < 5; i++) {
if (one.size() == NUM_MSGS && two.size() == NUM_MSGS) break;
sendStableMessages(a, b);
Util.sleep(500);
}
System.out.println(
"C1 received "
+ one.size()
+ " messages ("
+ NUM_MSGS
+ " expected)"
+ "\nC2 received "
+ two.size()
+ " messages ("
+ NUM_MSGS
+ " expected)");
check(NUM_MSGS, one, two);
}
private void check(
MyReceiver receiver, int expected_size, boolean oob, Tuple<Address, Integer>... vals) {
Map<Address, Collection<Long>> msgs = receiver.getMsgs();
for (int i = 0; i < 10; i++) {
if (msgs.size() >= expected_size) break;
Util.sleep(1000);
}
assert msgs.size() == expected_size
: "expected size=" + expected_size + ", msgs: " + msgs.keySet();
for (Tuple<Address, Integer> tuple : vals) {
Address addr = tuple.getVal1();
Collection<Long> list = msgs.get(addr);
assert list != null : "no list available for " + addr;
int expected_values = tuple.getVal2();
for (int i = 0; i < 20; i++) {
if (list.size() >= expected_values) break;
Util.sleep(1000);
sendStableMessages(c1, c2, c3);
}
System.out.println("[" + receiver.getName() + "]: " + addr + ": " + list);
assert list.size() == expected_values
: addr
+ "'s list's size is not "
+ tuple.getVal2()
+ ", list: "
+ list
+ " (size="
+ list.size()
+ ")";
if (!oob) // if OOB messages, ordering is not guaranteed
check(addr, list);
else checkPresence(list);
}
}
public void testRegularAndOOBUnicasts2() throws Exception {
DISCARD discard = new DISCARD();
ProtocolStack stack = c1.getProtocolStack();
stack.insertProtocol(discard, ProtocolStack.BELOW, UNICAST.class, UNICAST2.class);
Address dest = c2.getAddress();
Message m1 = new Message(dest, null, 1);
Message m2 = new Message(dest, null, 2);
m2.setFlag(Message.OOB);
Message m3 = new Message(dest, null, 3);
m3.setFlag(Message.OOB);
Message m4 = new Message(dest, null, 4);
MyReceiver receiver = new MyReceiver("C2");
c2.setReceiver(receiver);
c1.send(m1);
discard.setDropDownUnicasts(1);
c1.send(m3);
discard.setDropDownUnicasts(1);
c1.send(m2);
c1.send(m4);
Util.sleep(1000); // sleep some time to receive all messages
Collection<Integer> list = receiver.getMsgs();
int count = 10;
while (list.size() < 4 && --count > 0) {
Util.sleep(500); // time for potential retransmission
sendStableMessages(c1, c2);
}
log.info("list = " + list);
assert list.size() == 4 : "list is " + list;
assert list.contains(1) && list.contains(2) && list.contains(3) && list.contains(4);
}