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

Example 16 with CoreException

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

the class ManagerEngine method destroyManager.

/**
	 * Destroy the Manager.
	 */
private void destroyManager() throws Exception {
    logger.info("Destroying Manager.");
    // firsty destroy Manager implementation (if necessary)		
    if (!manager.isShuttingDown()) {
        try {
            manager.shutdown(HandleConstants.MANAGER_MASK, 0);
        } catch (Throwable ex) {
            CoreException ce = new CoreException("Failed to destroy manager.", ex);
            logger.log(Level.WARNING, "Failed to destroy manager.", ce);
        }
    }
    // deactivate Manager
    if (managerPOA != null && managerReference != null) {
        managerPOA.deactivate_object(MANAGER_ID);
        managerPOA = null;
    }
    // destroy CORBA service
    if (corbaService != null)
        corbaService.destroy();
    // add rights to group in order to be able to start with '-n'
    if (recoveryLocation != null)
        FileHelper.setFileAttributes("g+w", recoveryLocation);
}

Example 17 with CoreException

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

the class ManagerImpl method internalNoSyncDeactivateComponent.

/**
	 * Deactivate component, issue deactivate reeust to container (or other manager).
	 * @param componentInfo	info about component to be deactivated.
	 */
private void internalNoSyncDeactivateComponent(ComponentInfo componentInfo) throws Throwable {
    // unbind from remote directory
    //unbind(convertToHiearachical(componentInfo.getName()), "O");
    int handle = componentInfo.getHandle() & HANDLE_MASK;
    int owners = componentInfo.getClients().size();
    try {
        //
        // get container/remote manager
        //
        String name = componentInfo.getName();
        boolean isOtherDomainComponent = name.startsWith(CURL_URI_SCHEMA);
        if (isOtherDomainComponent) {
            Manager remoteManager = null;
            // @todo MF do the login?
            try {
                String domainName = CURLHelper.createURI(name).getAuthority();
                remoteManager = getManagerForDomain(domainName);
                if (remoteManager == null)
                    throw new CoreException("Failed to obtain manager for domain '" + domainName + "'.");
            } catch (Throwable th) {
                logger.log(Level.WARNING, "Failed to obtain non-local manager required by component '" + name + "'.", th);
                throw th;
            }
            // release component
            try {
                URI curlName = CURLHelper.createURI(name);
                // @todo MF tmp (handle)
                remoteManager.releaseComponent(INTERDOMAIN_MANAGER_HANDLE, curlName);
            } catch (Throwable th) {
                logger.log(Level.WARNING, "Failed to release component '" + componentInfo.getName() + "' on remote manager.'", th);
                throw th;
            }
        } else {
            //
            // search for container by its name
            //
            Container container = null;
            ContainerInfo containerInfo = null;
            int containerHandle = componentInfo.getContainer();
            // if containerHandle equals 0, we have unavailable or registered component
            if (containerHandle != 0) {
                containerInfo = getContainerInfo(containerHandle);
                if (containerInfo != null) {
                    // remove component from container component list
                    synchronized (containerInfo.getComponents()) {
                        // !!! ACID
                        if (containerInfo.getComponents().contains(componentInfo.getHandle()))
                            executeCommand(new ContainerInfoCommandComponentRemove(containerInfo.getHandle() & HANDLE_MASK, componentInfo.getHandle()));
                    //containerInfo.getComponents().remove(componentInfo.getHandle());
                    }
                    // we allow this (since releasing components is part of container shutdown procedure)
                    //checkContainerState(containerInfo);
                    container = containerInfo.getContainer();
                }
                // required container is not logged in
                if (container == null) {
                    // then simply do not do the deactivation
                    String containerName;
                    if (containerInfo != null)
                        containerName = containerInfo.getName();
                    else
                        containerName = HandleHelper.toString(componentInfo.getContainer());
                    logger.log(Level.WARNING, "Container '" + containerName + "' required by component '" + componentInfo.getName() + "' is not logged in.");
                }
            }
            if (container != null) {
                // log info
                logger.log(Level.INFO, "Deactivating component '" + componentInfo.getName() + "' (" + HandleHelper.toString(componentInfo.getHandle()) + ") on container '" + containerInfo.getName() + "'.");
                // destruct
                try {
                    componentInfo.getComponent().destruct();
                } catch (Throwable ex) {
                    RemoteException re = new RemoteException("Failed to destruct component '" + componentInfo.getName() + "', exception caught when invoking 'destruct()' method.", ex);
                    logger.log(Level.SEVERE, re.getMessage(), re);
                    throw ex;
                }
                long deactivationTime = 0;
                // deactivate component in anycase
                try {
                    container.deactivate_component(componentInfo.getHandle());
                    deactivationTime = System.currentTimeMillis();
                } catch (AcsJException aex) {
                    logger.log(Level.SEVERE, aex.getMessage(), aex);
                    throw aex;
                } catch (Throwable ex) {
                    RemoteException re = new RemoteException("Failed to deactivate component '" + componentInfo.getName() + "' (" + HandleHelper.toString(componentInfo.getHandle()) + ") on container '" + containerInfo.getName() + "'.", ex);
                    logger.log(Level.SEVERE, re.getMessage(), re);
                    throw ex;
                }
                // notify administrators about deactivation, but not if failed
                if (deactivationTime != 0)
                    notifyComponentDeactivated(componentInfo.getHandle(), deactivationTime);
                // shutdown container if required (and necessary)
                conditionalShutdownContainer(containerInfo);
            }
        }
    } finally {
        if (owners == 0) {
            // deallocate Component
            componentsLock.lock();
            try {
                executeCommand(new ComponentCommandDeallocate(handle, componentInfo.getHandle(), WhyUnloadedReason.REMOVED));
            //components.deallocate(handle);
            } finally {
                componentsLock.unlock();
            }
        }
    }
    // log info
    logger.log(Level.INFO, "Component '" + componentInfo.getName() + "' (" + HandleHelper.toString(componentInfo.getHandle()) + ") deactivated.");
    // release all subcomponents (just like client logoff)
    // component should have already done this by itself, but take care of clean cleanup
    // what about that: if subcomponent becomes unavailable, does component also becomes?!
    // no, it is notified and it handles situation by its own way (e.g. changes component state).
    // Just like it already handles activation (manager does not care for dependecy trees).
    int[] subcomponents = null;
    // no not hold the lock
    synchronized (componentInfo.getComponents()) {
        if (componentInfo.getComponents().size() > 0) {
            IntArray toCleanupList = new IntArray();
            IntArray comps = componentInfo.getComponents();
            for (int i = 0; i < comps.size(); i++) if (components.isAllocated(comps.get(i) & HANDLE_MASK))
                toCleanupList.add(comps.get(i));
            if (toCleanupList.size() > 0)
                subcomponents = toCleanupList.toArray();
        }
    //subcomponents = componentInfo.getComponents().toArray();
    }
    if (subcomponents != null && subcomponents.length > 0)
        new ReleaseComponentTask(componentInfo.getHandle(), subcomponents).run();
    // make unavailable (deactivation was forced)
    if (owners > 0)
        makeUnavailable(componentInfo);
}

Example 18 with CoreException

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

the class ManagerImpl method autoStartComponents.

/**
	 * Checks for autostart components that are to be hosed by autostart containers.
	 */
private void autoStartComponents() {
    // order is important, preserve it
    LinkedHashSet<String> activationRequestsList = new LinkedHashSet<String>();
    // get CDB access daos
    DAOProxy dao = getManagerDAOProxy();
    DAOProxy componentsDAO = getComponentsDAOProxy();
    DAOProxy containersDAO = getContainersDAOProxy();
    // no data
    if (componentsDAO == null || containersDAO == null)
        return;
    //
    if (dao != null) {
        try {
            // query startup components and add them to a list of candidates
            String[] startup = dao.get_string_seq("Startup");
            for (int i = 0; i < startup.length; i++) {
                // TODO simulator test workaround
                if (startup[i].length() == 0)
                    continue;
                activationRequestsList.add(startup[i]);
            }
        } catch (Throwable th) {
            logger.log(Level.WARNING, "Failed to retrieve list of startup components.", th);
        }
    }
    //
    // autostart components (<component>.Autostart attribute)
    //
    final String TRUE_STRING = "true";
    {
        try {
            // get names of all components
            // TODO here to check if CDB is available
            componentsDAO.get_field_data("");
            /*String[] ids =*/
            String[] ids = getComponentsList();
            // test names
            for (int i = 0; i < ids.length; i++) {
                // read name
                //readStringCharacteristics(componentsDAO, ids[i]+"/Name");
                String name = ids[i];
                if (name == null) {
                    logger.log(Level.WARNING, "Misconfigured CDB, there is no name of component '" + ids[i] + "' defined.");
                    continue;
                }
                // read autostart silently
                String autostart = readStringCharacteristics(componentsDAO, ids[i] + "/Autostart", true);
                if (autostart == null) {
                    logger.log(Level.WARNING, "Misconfigured CDB, there is no autostart attribute of component '" + ids[i] + "' defined.");
                    continue;
                } else if (autostart.equalsIgnoreCase(TRUE_STRING)) {
                    activationRequestsList.add(name);
                }
            }
        } catch (Throwable ex) {
            logger.log(Level.WARNING, "Failed to retrieve list of components.", ex);
        }
    }
    // now gather list of all containers to be started up (they will autostart components by default)
    // by filtering out all components that are not hosted by auto-start containers
    // leave only components that have "*" listed as container
    LinkedHashSet startupContainers = new LinkedHashSet();
    Iterator<String> iterator = activationRequestsList.iterator();
    while (iterator.hasNext()) {
        String name = iterator.next();
        try {
            // get container
            String containerName = readStringCharacteristics(componentsDAO, name + "/Container", true);
            if (containerName == null) {
                iterator.remove();
                continue;
            } else if (containerName.equals(ComponentSpec.COMPSPEC_ANY)) {
                // leave it in the list
                continue;
            }
            // get its deploy info
            String host = readStringCharacteristics(containersDAO, containerName + "/DeployInfo/Host", true);
            String startOnDemand = readStringCharacteristics(containersDAO, containerName + "/DeployInfo/StartOnDemand", true);
            if (host != null && startOnDemand != null && startOnDemand.equalsIgnoreCase("TRUE"))
                startupContainers.add(containerName);
            // remove (or is it auto-started by starting a container or is it not hosted by auto-start container)
            iterator.remove();
        } catch (Throwable ex) {
            logger.log(Level.WARNING, "Failed to retrieve list of components.", ex);
        }
    }
    int activated = 0;
    // autostart containers
    iterator = startupContainers.iterator();
    while (iterator.hasNext()) {
        String containerName = (String) iterator.next();
        try {
            startUpContainer(containerName);
        } catch (Throwable ex) {
            logger.log(Level.WARNING, "Failed to auto-start container to auto-start components.", ex);
        }
    }
    // activate startup components (no container specified)
    StatusHolder status = new StatusHolder();
    iterator = activationRequestsList.iterator();
    while (iterator.hasNext()) {
        String name = iterator.next();
        try {
            URI uri = CURLHelper.createURI(name);
            internalRequestComponent(this.getHandle(), uri, status);
            if (status.getStatus() != ComponentStatus.COMPONENT_ACTIVATED)
                logger.log(Level.FINE, "Failed to auto-activate requested component '" + name + "', reason: '" + status.getStatus() + "'.");
            else
                activated++;
        } catch (Throwable ex) {
            CoreException ce = new CoreException("Failed to request component '" + name + "'.", ex);
            reportException(ce);
        }
    }
}

Example 19 with CoreException

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

the class ManagerImpl method refreshComponentsList.

/**
	 * Searches dao for all potential (nodes containing Name attribute) ComponentInfo nodes.
	 * @param dc	dao to be searched.
	 * @returns list of all potential ComponentInfo nodes.
	 */
private String[] refreshComponentsList(DAOProxy dc) {
    ArrayList componentList = new ArrayList();
    try {
        LinkedHashSet nodes = new LinkedHashSet();
        // current
        nodes.add("");
        String[] subnodes = cdbAccess.getSubNodes(dc);
        if (subnodes != null)
            for (int i = 0; i < subnodes.length; i++) nodes.add(subnodes[i]);
        Iterator iter = nodes.iterator();
        while (iter.hasNext()) {
            String prefix = iter.next().toString();
            if (prefix.length() > 0)
                prefix += "/";
            String attributes = dc.get_field_data(prefix + "_characteristics");
            // convert into array
            StringTokenizer tokenizer = new StringTokenizer(attributes, ",");
            while (tokenizer.hasMoreTokens()) {
                String subname = tokenizer.nextToken().toString();
                String componentName = prefix + subname;
                /// @todo this could be done better (to check if all attributes exist)
                if (readStringCharacteristics(dc, componentName + "/Name", true) != null)
                    componentList.add(componentName);
            }
        }
    } catch (Throwable th) {
        CoreException ce = new CoreException("Failed to obtain list of all components.", th);
        logger.log(Level.WARNING, ce.getMessage(), ce);
    }
    String[] retVal = new String[componentList.size()];
    componentList.toArray(retVal);
    logger.log(Level.INFO, "Found " + retVal.length + " component entries in the configuration database.");
    return retVal;
}

Example 20 with CoreException

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

the class ManagerImpl method isServiceComponent.

/**
	 * Checks if component name is a service component name, list of names is defined in the CDB.
	 *
	 * @param	name	name to be checked, non-<code>null</code>
	 * @returns			<code>true</code> if component name is service component name, <code>false</code> otherwise
	 */
public boolean isServiceComponent(String name) {
    assert (name != null);
    boolean retVal = false;
    // get CDB access dao
    DAOProxy dao = getManagerDAOProxy();
    if (dao != null) {
        try {
            // query
            String[] names = dao.get_string_seq("ServiceComponents");
            // find it
            for (int i = 0; i < names.length; i++) if (name.equals(names[i])) {
                retVal = true;
                break;
            }
        } catch (Throwable ex) {
            CoreException ce = new CoreException("Failed to retrieve list of service components.", ex);
            logger.log(Level.FINE, ce.getMessage(), ce);
        }
    }
    return retVal;
}