/** Sets a timer to delay a message that came from the network. */
private void setTimer(ListContainer container, long timeout, ViewID vid) {
try {
log.debug("TIME Container: " + container.header.getTime());
SETOTimer timer =
new SETOTimer(
timeout / 1000,
container.event.getChannel(),
Direction.DOWN,
this,
EventQualifier.ON,
container,
vid);
timer.go();
if (log.isDebugEnabled())
log.debug(
"Setting new timer. NOW is "
+ timeProvider.currentTimeMillis()
+ " timer to "
+ timer.getTimeout());
} catch (AppiaEventException e) {
e.printStackTrace();
} catch (AppiaException e) {
e.printStackTrace();
}
}
private void handleView(View ev) {
vs = ev.vs;
ls = ev.ls;
try {
ev.go();
} catch (AppiaEventException ex) {
ex.printStackTrace();
}
if (round == 0) {
try {
SuspectTimer periodic =
new SuspectTimer("Suspect Timer", suspect_sweep, ev.getChannel(), this);
periodic.go();
} catch (AppiaException ex) {
ex.printStackTrace();
System.err.println(
"appia:group:SuspectSession: impossible to set SuspectTimer, SuspectSession will be idle");
}
}
if (vs.view.length != last_recv.length) {
last_recv = new long[vs.view.length];
}
round = 1;
Arrays.fill(last_recv, round);
}
private void deliverPendingView() {
try {
pendingView.go();
} catch (AppiaEventException e) {
e.printStackTrace();
}
if (!pendingMessages.isEmpty()) {
log.debug("Delivering " + pendingMessages.size() + " pending messages");
for (GroupSendableEvent event : pendingMessages) {
reliableDATADeliver(event);
}
pendingMessages.clear();
}
if (!utSet) {
try {
UniformTimer ut =
new UniformTimer(
UNIFORM_INFO_PERIOD,
pendingView.getChannel(),
Direction.DOWN,
this,
EventQualifier.ON);
ut.go();
utSet = true;
} catch (AppiaEventException e) {
e.printStackTrace();
} catch (AppiaException e) {
e.printStackTrace();
}
}
pendingView = null;
}
private void handleSuspectTimer(SuspectTimer ev) {
if (ev.getPeriod() != suspect_sweep) {
ev.setDir(Direction.invert(ev.getDir()));
ev.setQualifierMode(EventQualifier.OFF);
ev.setSource(this);
try {
ev.init();
ev.go();
SuspectTimer periodic =
new SuspectTimer("Suspect Timer", suspect_sweep, ev.getChannel(), this);
periodic.go();
} catch (AppiaEventException e) {
e.printStackTrace();
} catch (AppiaException ex) {
ex.printStackTrace();
log.error(
"appia:group:SuspectSession: impossible to set SuspectTimer, SuspectSession will be idle");
}
return;
}
try {
ev.go();
} catch (AppiaEventException ex) {
ex.printStackTrace();
}
int i;
boolean[] new_failed = null;
for (i = 0; i < last_recv.length; i++) {
if (i != ls.my_rank) {
if ((round - last_recv[i] >= rounds_idle) && !ls.failed[i]) {
ls.fail(i);
if (new_failed == null) {
new_failed = new boolean[ls.failed.length];
Arrays.fill(new_failed, false);
}
new_failed[i] = true;
log.debug(
"Suspected "
+ i
+ " because it passed "
+ (round - last_recv[i])
+ " rounds of "
+ suspect_sweep
+ " milliseconds since last reception");
}
}
}
if (new_failed != null) {
sendSuspect(new_failed, ev.getChannel());
sendFail(new_failed, ev.getChannel());
if (debugFull) {
String s = "New failed members: ";
for (int j = 0; j < new_failed.length; j++) if (new_failed[j]) s = s + j + ",";
log.debug(s);
}
}
if (round > last_recv[ls.my_rank]) {
sendAlive(ev.getChannel());
last_recv[ls.my_rank] = round;
if (debugFull) log.debug("Sent Alive in round " + round);
}
if (debugFull)
log.debug(
"Ended round "
+ round
+ " at "
+ ev.getChannel().getTimeProvider().currentTimeMillis()
+ " milliseconds");
round++;
if (round < 0) {
round = 1;
for (i = 0; i < last_recv.length; i++) last_recv[i] = 0;
}
}