Esempio n. 1
0
 public boolean isRunning() {
   if (hasStarted.isDone()) {
     try {
       TimeUnit.MILLISECONDS.sleep(500);
     } catch (InterruptedException e) {
       logger.trace("Exception while waiting for the proxy to confirm running status", e);
     }
     return !bossGroup.isShuttingDown() && !workerGroup.isShuttingDown();
   } else {
     return false;
   }
 }
  private void tryReconnect(
      final EventLoopGroup group, final RedisConnection connection, final int attempts) {
    if (connection.isClosed() || group.isShuttingDown()) {
      return;
    }

    log.debug(
        "reconnecting {} to {} ", connection, connection.getRedisClient().getAddr(), connection);

    bootstrap
        .connect()
        .addListener(
            new ChannelFutureListener() {

              @Override
              public void operationComplete(final ChannelFuture future) throws Exception {
                if (connection.isClosed() || group.isShuttingDown()) {
                  return;
                }

                try {
                  if (future.isSuccess()) {
                    log.debug(
                        "{} connected to {}", connection, connection.getRedisClient().getAddr());
                    reconnect(connection, future.channel());
                    return;
                  }
                } catch (RedisException e) {
                  log.warn(
                      "Can't connect "
                          + connection
                          + " to "
                          + connection.getRedisClient().getAddr(),
                      e);
                }

                int timeout = 2 << attempts;
                group.schedule(
                    new Runnable() {
                      @Override
                      public void run() {
                        tryReconnect(group, connection, Math.min(BACKOFF_CAP, attempts + 1));
                      }
                    },
                    timeout,
                    TimeUnit.MILLISECONDS);
              }
            });
  }