Examples with Daemon com.cosylab.acs.maci.Daemon used on opensource projects

Example 1 with Daemon

use of com.cosylab.acs.maci.Daemon in project ACS by ACS-Community.

the class ManagerImpl method internalNoSyncStartUpContainer.

/**
	 * Start-up container (if it has a deploy info).
	 * @param containerName	name of the container to start up.
	 * @return container info of container, <code>null</code> if failed to start.
	 */
private ContainerInfo internalNoSyncStartUpContainer(String containerName) {
    DAOProxy dao = getContainersDAOProxy();
    if (dao == null)
        return null;
    //
    // read DeployInfo and initiate start-up
    //
    String startOnDemand = readStringCharacteristics(dao, containerName + "/DeployInfo/StartOnDemand", true);
    if (startOnDemand == null || !startOnDemand.equalsIgnoreCase("TRUE"))
        return null;
    String host = readStringCharacteristics(dao, containerName + "/DeployInfo/Host", true);
    if (host == null)
        return null;
    String flags = readStringCharacteristics(dao, containerName + "/DeployInfo/Flags", true);
    if (flags == null)
        flags = "";
    String impLang = readStringCharacteristics(dao, containerName + "/ImplLang", true);
    if (impLang == null)
        impLang = "";
    // add itself as manager reference
    flags += " -m " + transport.getManagerReference();
    short instance = (short) ACSPorts.getBasePort();
    try {
        Daemon daemon = transport.getDaemon(host);
        if (daemon != null)
            daemon.startContainer(impLang, containerName, instance, flags);
        else
            throw new RuntimeException("Failed to get daemon.");
    } catch (Throwable th) {
        RemoteException re = new RemoteException("Failed to connect to ACS daemon on host '" + host + "' to start container '" + containerName + "'.", th);
        logger.log(Level.SEVERE, re.getMessage(), re);
        return null;
    }
    //
    // wait for login
    //
    // HSO: raised timeout from 15 sec to 2 min because of increased usage of autostart containers,
    //      where container start times get extremely long when started in parallel on one machine.
    //      TODO: Refactor manager interface to use callbacks for component getter methods, 
    //            to not block the manager ORB threads with long-lasting container starts.
    final int CONTAINER_STARTUP_TIMEOUT = 120000;
    // notify about new container login
    synchronized (containerLoggedInMonitor) {
        int waitTime = CONTAINER_STARTUP_TIMEOUT;
        while (waitTime > 0) {
            long start = System.currentTimeMillis();
            try {
                containerLoggedInMonitor.wait(waitTime);
            } catch (InterruptedException e) {
                return null;
            }
            // check if container has logged in
            ContainerInfo info = getContainerInfo(containerName);
            if (info != null) {
                return info;
            }
            waitTime = waitTime - (int) (System.currentTimeMillis() - start);
        }
        // container did not logged in within CONTAINER_STARTUP_TIMEOUT ms
        return null;
    }
}