public void testAddWithWrapAround() {
Table<Integer> buf = new Table<Integer>(3, 10, 5);
for (int i = 6; i <= 15; i++) assert buf.add(i, i) : "addition of seqno " + i + " failed";
System.out.println("buf = " + buf);
for (int i = 0; i < 3; i++) {
Integer val = buf.remove(false);
System.out.println("removed " + val);
assert val != null;
}
System.out.println("buf = " + buf);
long low = buf.getLow();
buf.purge(8);
System.out.println("buf = " + buf);
assert buf.getLow() == 8;
for (long i = low; i <= 8; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
for (int i = 16; i <= 18; i++) assert buf.add(i, i);
System.out.println("buf = " + buf);
while (buf.remove(false) != null) ;
System.out.println("buf = " + buf);
assert buf.isEmpty();
assert buf.getNumMissing() == 0;
low = buf.getLow();
buf.purge(18);
assert buf.getLow() == 18;
for (long i = low; i <= 18; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
}
public void testPurgeForce() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 30; i++) table.add(i, i);
System.out.println("table = " + table);
table.purge(15, true);
System.out.println("table = " + table);
assertIndices(table, 15, 15, 30);
for (int i = 1; i <= 15; i++) assert table._get(i) == null;
for (int i = 16; i <= 30; i++) assert table._get(i) != null;
assert table.get(5) == null && table.get(25) != null;
table.purge(30, true);
System.out.println("table = " + table);
assertIndices(table, 30, 30, 30);
assert table.isEmpty();
for (int i = 1; i <= 30; i++) assert table._get(i) == null;
for (int i = 31; i <= 40; i++) table.add(i, i);
System.out.println("table = " + table);
assert table.size() == 10;
assertIndices(table, 30, 30, 40);
table.purge(50, true);
System.out.println("table = " + table);
assert table.isEmpty();
assertIndices(table, 40, 40, 40);
}
protected void handleAckReceived(Address sender, long seqno, short conn_id) {
if (log.isTraceEnabled())
log.trace(
new StringBuilder()
.append(local_addr)
.append(" <-- ACK(")
.append(sender)
.append(": #")
.append(seqno)
.append(", conn-id=")
.append(conn_id)
.append(')'));
SenderEntry entry = send_table.get(sender);
if (entry != null && entry.send_conn_id != conn_id) {
if (log.isTraceEnabled())
log.trace(
local_addr
+ ": my conn_id ("
+ entry.send_conn_id
+ ") != received conn_id ("
+ conn_id
+ "); discarding ACK");
return;
}
Table<Message> win = entry != null ? entry.sent_msgs : null;
if (win != null) {
win.purge(seqno, true); // removes all messages <= seqno (forced purge)
num_acks_received++;
}
}
public void testResizeWithPurge2() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 50; i++) addAndGet(table, i);
System.out.println("table = " + table);
assert table.size() == 50;
assertCapacity(table.capacity(), table.getNumRows(), 10);
assertIndices(table, 0, 0, 50);
table.removeMany(false, 43);
System.out.println("table = " + table);
assertIndices(table, 0, 43, 50);
table.purge(43);
System.out.println("table = " + table);
assertIndices(table, 43, 43, 50);
addAndGet(table, 52);
assert table.get(43) == null;
for (long i = 44; i <= 50; i++) {
Integer num = table.get(i);
assert num != null && num == i;
}
assert table.get(50) != null;
assert table.get(51) == null;
Integer num = table.get(52);
assert num != null && num == 52;
assert table.get(53) == null;
}
public void testPurge4() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 100; i++) table.add(i, i);
System.out.println("table = " + table);
table.removeMany(false, 53);
table.purge(53);
for (int i = 54; i <= 100; i++) assert table.get(i) == i;
}
public void testIndex() {
Table<Integer> buf = new Table<Integer>(3, 10, 5);
assert buf.getHighestDelivered() == 5;
assert buf.getHighestReceived() == 5;
buf.add(6, 6);
buf.add(7, 7);
buf.remove(false);
buf.remove(false);
long low = buf.getLow();
assert low == 5;
buf.purge(4);
buf.purge(5);
buf.purge(6);
buf.purge(7);
System.out.println("buf = " + buf);
for (long i = low; i <= 7; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
}
public void testPurge5() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 100; i++) table.add(i, i);
System.out.println("table = " + table);
table.removeMany(false, 0);
table.purge(10);
for (int i = 1; i <= 10; i++) assert table._get(i) == null;
for (int i = 11; i <= 100; i++) assert table.get(i) == i;
table.purge(10);
for (int i = 11; i <= 100; i++) assert table.get(i) == i;
table.purge(50);
for (int i = 1; i <= 50; i++) assert table._get(i) == null;
for (int i = 51; i <= 100; i++) assert table.get(i) == i;
table.purge(100);
for (int i = 51; i <= 100; i++) assert table._get(i) == null;
}
public void testPurge2() {
Table<Integer> buf = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 7; i++) {
buf.add(i, i);
buf.remove(false);
}
System.out.println("buf = " + buf);
assert buf.isEmpty();
long low = buf.getLow();
buf.purge(3);
assert buf.getLow() == 3;
for (long i = low; i <= 3; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
buf.purge(6);
assert buf._get(6) == null;
buf.purge(7);
assert buf._get(7) == null;
assert buf.getLow() == 7;
assert buf.isEmpty();
for (int i = 7; i <= 14; i++) {
buf.add(i, i);
buf.remove(false);
}
System.out.println("buf = " + buf);
assert buf.isEmpty();
low = buf.getLow();
assert low == 7;
buf.purge(12);
System.out.println("buf = " + buf);
assert buf.getLow() == 12;
for (long i = low; i <= 12; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
}
public static void testRemoveManyWithWrapping2() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int seqno : Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16, 17, 18, 19, 20))
table.add(seqno, seqno);
System.out.println("table = " + table);
assertIndices(table, 0, 0, 20);
assert table.size() == 18 && table.getNumMissing() == 2;
List<Integer> list = table.removeMany(false, 0);
assert list.size() == 12;
assertIndices(table, 0, 12, 20);
assert table.size() == 6 && table.getNumMissing() == 2;
table.purge(12);
assertIndices(table, 12, 12, 20);
assert table.size() == 6 && table.getNumMissing() == 2;
}
public void testResizeWithPurge() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 100; i++) addAndGet(table, i);
System.out.println("table: " + table);
// now remove 60 messages
for (int i = 1; i <= 60; i++) {
Integer num = table.remove();
assert num != null && num == i;
}
System.out.println("table after removal of seqno 60: " + table);
table.purge(50);
System.out.println("now triggering a resize() by addition of seqno=120");
addAndGet(table, 120);
}
public static void testPurge() {
Table<Integer> table = new Table<Integer>(5, 10, 0);
for (int seqno = 1; seqno <= 25; seqno++) table.add(seqno, seqno);
int[] seqnos = {30, 31, 32, 37, 38, 39, 40, 41, 42, 47, 48, 49};
for (int seqno : seqnos) table.add(seqno, seqno);
System.out.println("table (before remove):\n" + table.dump());
for (int seqno = 1; seqno <= 22; seqno++) table.remove(false);
System.out.println("\ntable (after remove 22, before purge):\n" + table.dump());
table.purge(22);
System.out.println("\ntable: (after purge 22):\n" + table.dump());
assert table.size() == 3 + seqnos.length;
assert table.computeSize() == table.size();
}
public void testCompact() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 80; i++) addAndGet(table, i);
assert table.size() == 80;
assertIndices(table, 0, 0, 80);
List<Integer> list = table.removeMany(false, 60);
assert list.size() == 60;
assert list.get(0) == 1 && list.get(list.size() - 1) == 60;
assertIndices(table, 0, 60, 80);
table.purge(60);
assertIndices(table, 60, 60, 80);
assert table.size() == 20;
table.compact();
assertIndices(table, 60, 60, 80);
assert table.size() == 20;
assertCapacity(table.capacity(), table.getNumRows(), 10);
}
/** Add the ACK to hashtable.sender.sent_msgs */
protected void handleAckReceived(Address sender, long seqno) {
if (log.isTraceEnabled())
log.trace(
new StringBuilder()
.append(local_addr)
.append(" <-- ACK(")
.append(sender)
.append(": #")
.append(seqno)
.append(')'));
SenderEntry entry = send_table.get(sender);
Table<Message> win = entry != null ? entry.sent_msgs : null;
if (win != null) {
win.purge(seqno, true); // removes all messages <= seqno (forced purge)
num_acks_received++;
}
}
/**
* Purge all messages in window for local_addr, which are <= low. Check if the window's highest
* received message is > high: if true, retransmit all messages from high - win.high to sender
*
* @param sender
* @param hd Highest delivered seqno
* @param hr Highest received seqno
*/
protected void stable(Address sender, short conn_id, long hd, long hr) {
SenderEntry entry = send_table.get(sender);
Table<Message> win = entry != null ? entry.sent_msgs : null;
if (win == null) return;
if (log.isTraceEnabled())
log.trace(
new StringBuilder()
.append(local_addr)
.append(" <-- STABLE(")
.append(sender)
.append(": ")
.append(hd)
.append("-")
.append(hr)
.append(", conn_id=" + conn_id)
+ ")");
if (entry.send_conn_id != conn_id) {
log.warn(
local_addr
+ ": my conn_id ("
+ entry.send_conn_id
+ ") != received conn_id ("
+ conn_id
+ "); discarding STABLE message !");
return;
}
win.purge(hd, true);
long win_hr = win.getHighestReceived();
if (win_hr > hr) {
for (long seqno = hr; seqno <= win_hr; seqno++) {
Message msg =
win.get(
seqno); // destination is still the same (the member which sent the STABLE message)
if (msg != null) down_prot.down(new Event(Event.MSG, msg));
}
}
}
public void testResizeWithPurgeAndGetOfNonExistingElement() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 50; i++) addAndGet(table, i);
System.out.println("table: " + table);
assertIndices(table, 0, 0, 50);
assert table.size() == 50 && table.getNumMissing() == 0;
// now remove 15 messages
for (long i = 1; i <= 15; i++) {
Integer num = table.remove(false);
assert num != null && num == i;
}
System.out.println("table after removal of seqno 15: " + table);
assertIndices(table, 0, 15, 50);
assert table.size() == 35 && table.getNumMissing() == 0;
table.purge(15);
System.out.println("now triggering a resize() by addition of seqno=55");
addAndGet(table, 55);
assertIndices(table, 15, 15, 55);
assert table.size() == 36 && table.getNumMissing() == 4;
// now we have elements 40-49 in row 1 and 55 in row 2:
List<Integer> list = new ArrayList<Integer>(20);
for (int i = 16; i < 50; i++) list.add(i);
list.add(55);
for (long i = table.getOffset(); i < table.capacity() + table.getOffset(); i++) {
Integer num = table._get(i);
if (num != null) {
System.out.println("num=" + num);
list.remove(num);
}
}
System.out.println("table:\n" + table.dump());
assert list.isEmpty() : " list: " + Util.print(list);
}