Examples with ServiceInfo javax.jmdns.ServiceInfo used on opensource projects

Example 36 with ServiceInfo

use of javax.jmdns.ServiceInfo in project JAirPort by froks.

the class JmDNSImpl method makeServiceNameUnique.

/**
 * Generate a possibly unique name for a service using the information we have in the cache.
 *
 * @return returns true, if the name of the service info had to be changed.
 */
private boolean makeServiceNameUnique(ServiceInfoImpl info) {
    final String originalQualifiedName = info.getKey();
    final long now = System.currentTimeMillis();
    boolean collision;
    do {
        collision = false;
        // Check for collision in cache
        Collection<? extends DNSEntry> entryList = this.getCache().getDNSEntryList(info.getKey());
        if (entryList != null) {
            for (DNSEntry dnsEntry : entryList) {
                if (DNSRecordType.TYPE_SRV.equals(dnsEntry.getRecordType()) && !dnsEntry.isExpired(now)) {
                    final DNSRecord.Service s = (DNSRecord.Service) dnsEntry;
                    if (s.getPort() != info.getPort() || !s.getServer().equals(_localHost.getName())) {
                        if (logger.isLoggable(Level.FINER)) {
                            logger.finer("makeServiceNameUnique() JmDNS.makeServiceNameUnique srv collision:" + dnsEntry + " s.server=" + s.getServer() + " " + _localHost.getName() + " equals:" + (s.getServer().equals(_localHost.getName())));
                        }
                        info.setName(incrementName(info.getName()));
                        collision = true;
                        break;
                    }
                }
            }
        }
        // Check for collision with other service infos published by JmDNS
        final ServiceInfo selfService = _services.get(info.getKey());
        if (selfService != null && selfService != info) {
            info.setName(incrementName(info.getName()));
            collision = true;
        }
    } while (collision);
    return !(originalQualifiedName.equals(info.getKey()));
}

Example 37 with ServiceInfo

use of javax.jmdns.ServiceInfo in project JAirPort by froks.

the class JmDNSImpl method __recover.

void __recover() {
    // 
    if (logger.isLoggable(Level.FINER)) {
        logger.finer(this.getName() + "recover() Cleanning up");
    }
    logger.warning("RECOVERING");
    // Purge the timer
    this.purgeTimer();
    // We need to keep a copy for reregistration
    final Collection<ServiceInfo> oldServiceInfos = new ArrayList<ServiceInfo>(getServices().values());
    // Cancel all services
    this.unregisterAllServices();
    this.disposeServiceCollectors();
    this.waitForCanceled(DNSConstants.CLOSE_TIMEOUT);
    // Purge the canceler timer
    this.purgeStateTimer();
    // 
    // close multicast socket
    this.closeMulticastSocket();
    // 
    this.getCache().clear();
    if (logger.isLoggable(Level.FINER)) {
        logger.finer(this.getName() + "recover() All is clean");
    }
    if (this.isCanceled()) {
        // 
        for (ServiceInfo info : oldServiceInfos) {
            ((ServiceInfoImpl) info).recoverState();
        }
        this.recoverState();
        try {
            this.openMulticastSocket(this.getLocalHost());
            this.start(oldServiceInfos);
        } catch (final Exception exception) {
            logger.log(Level.WARNING, this.getName() + "recover() Start services exception ", exception);
        }
        logger.log(Level.WARNING, this.getName() + "recover() We are back!");
    } else {
        // We have a problem. We could not clear the state.
        logger.log(Level.WARNING, this.getName() + "recover() Could not recover we are Down!");
        if (this.getDelegate() != null) {
            this.getDelegate().cannotRecoverFromIOError(this.getDns(), oldServiceInfos);
        }
    }
}

Example 38 with ServiceInfo

use of javax.jmdns.ServiceInfo in project JAirPort by froks.

the class JmmDNSImpl method getServiceInfos.

/*
     * (non-Javadoc)
     * @see javax.jmdns.JmmDNS#getServiceInfos(java.lang.String, java.lang.String, boolean, long)
     */
@Override
public ServiceInfo[] getServiceInfos(final String type, final String name, final boolean persistent, final long timeout) {
    // We need to run this in parallel to respect the timeout.
    final Set<ServiceInfo> result = Collections.synchronizedSet(new HashSet<ServiceInfo>(_knownMDNS.size()));
    ExecutorService executor = Executors.newCachedThreadPool();
    for (final JmDNS mDNS : _knownMDNS.values()) {
        executor.submit(new Runnable() {

            /**
             * {@inheritDoc}
             */
            @Override
            public void run() {
                result.add(mDNS.getServiceInfo(type, name, persistent, timeout));
            }
        });
    }
    executor.shutdown();
    try {
        executor.awaitTermination(timeout, TimeUnit.MILLISECONDS);
    } catch (InterruptedException exception) {
        logger.log(Level.WARNING, "Exception ", exception);
    }
    return result.toArray(new ServiceInfo[result.size()]);
}

Example 39 with ServiceInfo

use of javax.jmdns.ServiceInfo in project ecf by eclipse.

the class JMDNSDiscoveryContainer method createServiceInfoFromIServiceInfo.

private ServiceInfo createServiceInfoFromIServiceInfo(final IServiceInfo serviceInfo) {
    if (serviceInfo == null)
        return null;
    final IServiceID sID = serviceInfo.getServiceID();
    final Hashtable props = new Hashtable();
    final IServiceProperties svcProps = serviceInfo.getServiceProperties();
    if (svcProps != null) {
        for (final Enumeration e = svcProps.getPropertyNames(); e.hasMoreElements(); ) {
            final String key = (String) e.nextElement();
            final Object val = svcProps.getProperty(key);
            if (val instanceof String) {
                props.put(key, val);
            } else if (val instanceof Serializable) {
                final ByteArrayOutputStream bos = new ByteArrayOutputStream();
                try {
                    final ObjectOutputStream out = new ObjectOutputStream(bos);
                    out.writeObject(val);
                    out.close();
                } catch (final IOException e1) {
                    e1.printStackTrace();
                }
                final byte[] buf = bos.toByteArray();
                props.put(key, buf);
            // } else if (svcProps.getPropertyBytes(key) != null) {
            // byte[] bytes = svcProps.getPropertyBytes(key);
            // props.put(key, bytes);
            } else if (val != null) {
                props.put(key, val.toString());
            }
        }
    }
    // Add URI scheme to props
    final URI location = serviceInfo.getServiceID().getLocation();
    if (location != null) {
        props.put(SCHEME_PROPERTY, location.getScheme());
        props.put(URI_PATH_PROPERTY, location.getPath());
    }
    props.put(NAMING_AUTHORITY_PROPERTY, serviceInfo.getServiceID().getServiceTypeID().getNamingAuthority());
    final ServiceInfo si = ServiceInfo.create(sID.getServiceTypeID().getInternal(), serviceInfo.getServiceName(), location.getPort(), serviceInfo.getWeight(), serviceInfo.getPriority(), props);
    return si;
}

Example 40 with ServiceInfo

use of javax.jmdns.ServiceInfo in project ecf by eclipse.

the class JMDNSDiscoveryContainer method getServiceInfo.

/**
 *********************** IDiscoveryContainerAdapter methods ********************
 */
/* (non-Javadoc)
	 * @see org.eclipse.ecf.discovery.IDiscoveryContainerAdapter#getServiceInfo(org.eclipse.ecf.discovery.identity.IServiceID)
	 */
public IServiceInfo getServiceInfo(final IServiceID service) {
    Assert.isNotNull(service);
    synchronized (lock) {
        try {
            // ECF discovery API defines identity to be the service type and the URI (location)
            // see https://bugs.eclipse.org/266723
            final ServiceInfo[] serviceInfos = jmdns.list(service.getServiceTypeID().getInternal());
            for (int i = 0; i < serviceInfos.length; i++) {
                ServiceInfo serviceInfo = serviceInfos[i];
                IServiceInfo iServiceInfo = createIServiceInfoFromServiceInfo(serviceInfo);
                Assert.isNotNull(iServiceInfo);
                Assert.isNotNull(iServiceInfo.getServiceID());
                if (iServiceInfo.getServiceID().equals(service)) {
                    return iServiceInfo;
                }
            }
            return null;
        } catch (final Exception e) {
            // $NON-NLS-1$
            Trace.catching(JMDNSPlugin.PLUGIN_ID, JMDNSDebugOptions.EXCEPTIONS_CATCHING, this.getClass(), "getServiceInfo", e);
            return null;
        }
    }
}