private void scheduleClientHeartbeatCheck(final BaseClient client, SchedulerKey key) {
// cancel previous heartbeat check
scheduler.cancel(key);
scheduler.schedule(
key,
new Runnable() {
public void run() {
client.disconnect();
log.debug(
"Client with sessionId: {} disconnected due to heartbeat timeout",
client.getSessionId());
}
},
configuration.getHeartbeatTimeout(),
TimeUnit.SECONDS);
}
public void onAck(SocketIOClient client, Packet packet) {
SchedulerKey key = new SchedulerKey(Type.ACK_TIMEOUT, client.getSessionId());
scheduler.cancel(key);
AckCallback callback = removeCallback(client.getSessionId(), packet.getAckId());
if (callback != null) {
callback.onSuccess();
}
}
public void onHeartbeat(final BaseClient client) {
if (!configuration.isHeartbeatsEnabled()) {
return;
}
final SchedulerKey key = new SchedulerKey(Type.HEARBEAT_TIMEOUT, client.getSessionId());
// cancel heartbeat check because the client answered
scheduler.cancel(key);
scheduler.schedule(
new Runnable() {
public void run() {
client.send(new Packet(PacketType.HEARTBEAT));
scheduleClientHeartbeatCheck(client, key);
}
},
configuration.getHeartbeatInterval(),
TimeUnit.SECONDS);
}
private void scheduleTimeout(final long index, final UUID sessionId, final AckCallback callback) {
if (callback.getTimeout() == -1) {
return;
}
SchedulerKey key = new SchedulerKey(Type.ACK_TIMEOUT, sessionId);
scheduler.schedule(
key,
new Runnable() {
@Override
public void run() {
removeCallback(sessionId, index);
callback.onTimeout();
}
},
callback.getTimeout(),
TimeUnit.SECONDS);
}
@Override
public void onDisconnect(BaseClient client) {
scheduler.cancel(new SchedulerKey(Type.HEARBEAT_TIMEOUT, client.getSessionId()));
}
public void stop() {
scheduler.shutdown();
}