Examples with NioClient com.cloud.utils.nio.NioClient used on opensource projects

Example 6 with NioClient

use of com.cloud.utils.nio.NioClient in project cloudstack by apache.

the class Agent method reconnect.

protected void reconnect(final Link link) {
    if (!_reconnectAllowed) {
        return;
    }
    synchronized (this) {
        if (_startup != null) {
            _startup.cancel();
            _startup = null;
        }
    }
    link.close();
    link.terminated();
    setLink(null);
    cancelTasks();
    _resource.disconnected();
    int inProgress = 0;
    do {
        _shell.getBackoffAlgorithm().waitBeforeRetry();
        s_logger.info("Lost connection to the server. Dealing with the remaining commands...");
        inProgress = _inProgress.get();
        if (inProgress > 0) {
            s_logger.info("Cannot connect because we still have " + inProgress + " commands in progress.");
        }
    } while (inProgress > 0);
    _connection.stop();
    try {
        _connection.cleanUp();
    } catch (final IOException e) {
        s_logger.warn("Fail to clean up old connection. " + e);
    }
    while (_connection.isStartup()) {
        _shell.getBackoffAlgorithm().waitBeforeRetry();
    }
    _connection = new NioClient("Agent", _shell.getHost(), _shell.getPort(), _shell.getWorkers(), this);
    do {
        s_logger.info("Reconnecting...");
        try {
            _connection.start();
        } catch (final NioConnectionException e) {
            s_logger.warn("NIO Connection Exception  " + e);
            s_logger.info("Attempted to connect to the server, but received an unexpected exception, trying again...");
        }
        _shell.getBackoffAlgorithm().waitBeforeRetry();
    } while (!_connection.isStartup());
    s_logger.info("Connected to the server");
}