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

Example 1 with Container

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

the class ManagerImpl method containerLogout.

/**
	 * Container specific logout method
	 * @param	id	handle of the container.
	 * @param	pingFailed	flag indicating that ping has failed (i.e. is the reason of this logout).
	 */
private void containerLogout(int id, boolean pingFailed) {
    TimerTaskContainerInfo containerInfo = null;
    synchronized (containers) {
        int handle = id & HANDLE_MASK;
        // already logged out
        if (!containers.isAllocated(handle))
            return;
        containerInfo = (TimerTaskContainerInfo) containers.get(handle);
        // cancel all "old" container async request
        AcsJCannotGetComponentEx acgcex = new AcsJCannotGetComponentEx();
        acgcex.setReason("Request canceled due to container logout.");
        cancelPendingContainerAsyncRequestWithException(containerInfo.getName(), acgcex);
        // !!! ACID - RemoveContainerCommand
        executeCommand(new ContainerCommandDeallocate(handle, id, pingFailed ? WhyUnloadedReason.DISAPPEARED : WhyUnloadedReason.REMOVED));
    // remove
    //containers.deallocate(handle);
    }
    // deregister container from the heartbeat manager
    containerInfo.getTask().cancel();
    // make all container components unavailable
    markContainersComponentsUnavailable(containerInfo);
    /// TODO !!!!!!!!!!!!!! no more handle -> componentInfo data
    // notify administrators about the logout
    notifyContainerLogout(containerInfo, System.currentTimeMillis());
    Container container = containerInfo.getContainer();
    if (container != null)
        container.release();
    logger.log(Level.INFO, "Container '" + containerInfo.getName() + "' logged out.");
}

Example 2 with Container

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

the class ManagerImpl method login.

/**
	 * @see com.cosylab.acs.maci.Manager#login(Client)
	 */
public ClientInfo login(Client reference) throws AcsJNoPermissionEx {
    // check if already shutdown
    if (shutdown.get()) {
        // already shutdown
        AcsJNoPermissionEx npe = new AcsJNoPermissionEx();
        npe.setReason("Manager in shutdown state.");
        throw npe;
    }
    if (reference == null) {
        // BAD_PARAM
        BadParametersException af = new BadParametersException("Non-null 'reference' expected.");
        throw af;
    }
    /****************************************************************/
    ClientInfo info = null;
    try {
        long executionId = generateExecutionId();
        AuthenticationData reply = reference.authenticate(executionId, "Identify yourself");
        if (reply == null) {
            // BAD_PARAM
            BadParametersException af = new BadParametersException("Invalid response to 'Client::authenticate()' method - non-null structure expected.");
            throw af;
        } else if (reply.getClientType() == null) {
            // BAD_PARAM
            BadParametersException af = new BadParametersException("Invalid response to 'Client::authenticate()' method - non-null client type expected.");
            throw af;
        } else if (reply.getImplLang() == null) {
            // BAD_PARAM
            BadParametersException af = new BadParametersException("Invalid response to 'Client::authenticate()' method - no-null implementation language expected.");
            throw af;
        }
        // get client's name
        String name = reference.name();
        if (name == null) {
            // BAD_PARAM
            BadParametersException af = new BadParametersException("Invalid response to 'Client::name()' method - non-null string expected.");
            throw af;
        }
        logger.log(Level.FINE, "'" + name + "' is logging in.");
        final long timeStamp = reply.getTimeStamp() > 0 ? reply.getTimeStamp() : System.currentTimeMillis();
        if (reply.getExecutionId() != 0)
            executionId = generateExecutionId();
        // delegate
        switch(reply.getClientType()) {
            // container
            case CONTAINER:
                if (reference instanceof Container) {
                    info = containerLogin(name, reply, (Container) reference, timeStamp, executionId);
                } else {
                    // NO_PERMISSION
                    AcsJNoPermissionEx npe = new AcsJNoPermissionEx();
                    npe.setReason("Given reply to 'Client::authenticate()' method indicated container login, but given reference does not implement 'maci::Container' interface.");
                    npe.setID(name);
                    throw npe;
                }
                break;
            // client
            case CLIENT:
                info = clientLogin(name, reply, reference, timeStamp, executionId);
                break;
            // supervisor (administrator)
            case ADMINISTRATOR:
                if (reference instanceof Administrator) {
                    info = administratorLogin(name, reply, (Administrator) reference, timeStamp, executionId);
                } else {
                    // NO_PERMISSION
                    AcsJNoPermissionEx npe = new AcsJNoPermissionEx();
                    npe.setReason("Given reply to 'Client::authenticate()' method indicated administrator login, but given reference does not implement 'maci::Administrator' interface.");
                    npe.setID(name);
                    throw npe;
                }
                break;
            default:
                assert (false);
        }
    } catch (AcsJNoPermissionEx npe) {
        throw npe;
    } catch (BadParametersException bpe) {
        throw bpe;
    } catch (NoResourcesException nre) {
        throw nre;
    } catch (RemoteException re) {
        // TODO @todo exception
        RuntimeException rt = new RuntimeException("Exception caught while examining the client. Login rejected.", re);
        throw rt;
    } catch (Throwable ex) {
        // TODO @todo exception
        RuntimeException rt = new RuntimeException("Unexpected exception during login. Login rejected.", ex);
        throw rt;
    }
    /****************************************************************/
    logger.log(Level.FINE, "Client with handle '" + HandleHelper.toString(info.getHandle()) + "' has logged in.");
    return info;
}

Example 3 with Container

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

the class ManagerImpl method shutdownContainer.

/**
	 * @see com.cosylab.acs.maci.Manager#shutdownContainer(int, java.lang.String, int)
	 */
public void shutdownContainer(int id, String containerName, int action) throws AcsJNoPermissionEx {
    // check if null
    if (containerName == null) {
        // BAD_PARAM
        BadParametersException af = new BadParametersException("Non-null 'containerName' expected.");
        throw af;
    }
    /****************************************************************/
    // the caller must have SHUTDOWN_SYSTEM access rights,
    securityCheck(id, AccessRights.SHUTDOWN_SYSTEM);
    Container container;
    ContainerInfo containerInfo = getContainerInfo(containerName);
    if (containerInfo == null || (container = containerInfo.getContainer()) == null) {
        // NO_RESOURCES
        NoResourcesException nre = new NoResourcesException("Container '" + containerName + "' not logged in.");
        throw nre;
    }
    pendingContainerShutdown.add(containerInfo.getName());
    try {
        // release components
        try {
            // get shutdown order
            ComponentInfo[] infos = topologySortManager.getComponentShutdownOrder(containerInfo);
            releaseComponents(infos);
        } catch (Throwable th) {
            CoreException ce = new CoreException("Failed to release components on container '" + containerName + "'.", th);
            reportException(ce);
        }
        // shutdown (or disconnect)
        try {
            if (action == 0)
                container.disconnect();
            else
                container.shutdown(action);
        } catch (Throwable th) {
            // NO_RESOURCES
            NoResourcesException nre = new NoResourcesException("Failed to shutdown container '" + containerName + "'.", th);
            throw nre;
        }
    } finally {
        pendingContainerShutdown.remove(containerInfo.getName());
    }
/****************************************************************/
}

Example 4 with Container

use of com.cosylab.acs.maci.Container 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 5 with Container

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

the class ManagerImplTest method testConcurrentContainersLogin.

public void testConcurrentContainersLogin() {
    final Object sync = new Object();
    final AtomicBoolean done = new AtomicBoolean(false);
    final AtomicInteger counter = new AtomicInteger(0);
    final AtomicInteger loginCounter = new AtomicInteger(0);
    final int CONCURRENT_LOGINS = 100;
    final CyclicBarrier barrier = new CyclicBarrier(CONCURRENT_LOGINS);
    class LoginWorker implements Runnable {

        public void run() {
            final String containerName = "Container" + counter.incrementAndGet();
            Container container = new TestContainer(containerName);
            try {
                barrier.await();
            } catch (Throwable th) {
                return;
            }
            ClientInfo info = null;
            try {
                info = manager.login(container);
            } catch (AcsJNoPermissionEx e) {
                fail("No permission");
            }
            // note that if this fails, tearDown will be called (and manager shutdown)
            assertTrue(containerName + " failed to login.", info != null && info.getHandle() != 0);
            if (loginCounter.incrementAndGet() == CONCURRENT_LOGINS) {
                synchronized (sync) {
                    sync.notifyAll();
                }
            }
        }
    }
    synchronized (sync) {
        // spawn threads
        for (int i = 0; i < CONCURRENT_LOGINS; ++i) new Thread(new LoginWorker()).start();
        try {
            sync.wait(CONCURRENT_LOGINS * 500);
        } catch (InterruptedException e) {
        }
    }
    assertTrue("All containers failed to login successfully in time.", loginCounter.get() == CONCURRENT_LOGINS);
}