private void doHealthChecks() throws InterruptedException {
while (shouldRun) {
HAServiceStatus status = null;
boolean healthy = false;
try {
status = proxy.getServiceStatus();
proxy.monitorHealth();
healthy = true;
} catch (HealthCheckFailedException e) {
LOG.warn("Service health check failed for " + targetToMonitor + ": " + e.getMessage());
enterState(State.SERVICE_UNHEALTHY);
} catch (Throwable t) {
LOG.warn(
"Transport-level exception trying to monitor health of "
+ targetToMonitor
+ ": "
+ t.getLocalizedMessage());
RPC.stopProxy(proxy);
proxy = null;
enterState(State.SERVICE_NOT_RESPONDING);
Thread.sleep(sleepAfterDisconnectMillis);
return;
}
if (status != null) {
setLastServiceStatus(status);
}
if (healthy) {
enterState(State.SERVICE_HEALTHY);
}
Thread.sleep(checkIntervalMillis);
}
}
private void loopUntilConnected() throws InterruptedException {
tryConnect();
while (proxy == null) {
Thread.sleep(connectRetryInterval);
tryConnect();
}
assert proxy != null;
}