void healthCheckPing(final long threshold, NodeHealthChecker healthChecker) {
int oldState, newState;
for (; ; ) {
oldState = this.state;
if ((oldState & ACTIVE_PING) != 0) {
// There is already a ping active
return;
}
newState = oldState | ACTIVE_PING;
if (stateUpdater.compareAndSet(this, oldState, newState)) {
break;
}
}
NodePingUtil.internalPingNode(
this,
new NodePingUtil.PingCallback() {
@Override
public void completed() {
clearActivePing();
}
@Override
public void failed() {
if (healthCheckFailed() == threshold) {
// Remove using the executor task pool
ioThread
.getWorker()
.execute(
new Runnable() {
@Override
public void run() {
container.removeNode(Node.this, true);
clearActivePing();
}
});
} else {
clearActivePing();
}
}
},
healthChecker,
ioThread,
bufferPool,
container.getClient(),
container.getXnioSsl(),
OptionMap.EMPTY);
}
/**
* Async ping from the user
*
* @param exchange the http server exchange
* @param callback the ping callback
*/
void ping(final HttpServerExchange exchange, final NodePingUtil.PingCallback callback) {
NodePingUtil.pingNode(this, exchange, callback);
}
