Examples with ServiceType ch.ethz.iks.slp.ServiceType used on opensource projects

Example 1 with ServiceType

use of ch.ethz.iks.slp.ServiceType in project ecf by eclipse.

the class JSLPNamespace method createInstance.

/* (non-Javadoc)
	 * @see org.eclipse.ecf.core.identity.Namespace#createInstance(java.lang.Object[])
	 */
public ID createInstance(Object[] parameters) {
    // error case
    if (parameters == null || parameters.length < 1 || parameters.length > 2) {
        // $NON-NLS-1$
        throw new IDCreateException("Parameters cannot be null and must be of length 1 or 2");
    // error case
    } else if (parameters[0] == null || parameters[0].equals("")) {
        // $NON-NLS-1$
        throw new IDCreateException("First parameter cannot be null or empty String");
    // create by jSLP ServiceURL
    } else if (parameters.length == 2 && parameters[0] instanceof ServiceURL) {
        final ServiceURL anURL = (ServiceURL) parameters[0];
        final String[] scopes = (String[]) parameters[1];
        return new JSLPServiceTypeID(this, anURL, scopes);
    // final String serviceName = (String) (parameters[1] != null ? parameters[1] : anURL.getHost());
    // return null /*new JSLPServiceID(this, stid, serviceName)*/;
    // conversion call where conversion isn't necessary
    } else if (parameters.length == 1 && parameters[0] instanceof JSLPServiceID) {
        return (ID) parameters[0];
    // convert from IServiceID to IServiceTypeID, String
    } else if (parameters.length == 1 && parameters[0] instanceof IServiceID) {
        final IServiceID anId = (IServiceID) parameters[0];
        final Object[] newParams = new Object[2];
        newParams[0] = anId.getServiceTypeID();
        newParams[1] = anId.getName();
        return createInstance(newParams);
    // create by ECF discovery generic IServiceTypeID (but not JSLPServiceID!!!)
    } else if (parameters[0] instanceof IServiceTypeID) {
        final IServiceTypeID stid = (IServiceTypeID) parameters[0];
        parameters[0] = stid.getName();
        return createInstance(parameters);
    // create by jSLP ServiceType
    } else if (parameters.length == 1 && parameters[0] instanceof ServiceType) {
        return new JSLPServiceTypeID(this, (ServiceType) parameters[0]);
    // return new JSLPServiceID(this, stid, (String) parameters[1]);
    // create by jSLP ServiceType String representation (from external)
    } else if (parameters[0] instanceof String && ((String) parameters[0]).startsWith("service:")) {
        // $NON-NLS-1$
        parameters[0] = new ServiceType((String) parameters[0]);
        return createInstance(parameters);
    // create IServiceID by ECF discovery generic String representation
    } else if (parameters.length == 2 && parameters[0] instanceof String && ((String) parameters[0]).startsWith("_") && parameters[1] instanceof URI) {
        // $NON-NLS-1$
        final String type = (String) parameters[0];
        final URI anURI = (URI) parameters[1];
        final JSLPServiceTypeID serviceType = new JSLPServiceTypeID(this, new ServiceTypeID(this, type));
        return new JSLPServiceID(this, serviceType, anURI);
    // create IServiceTypeID by ECF discovery generic ServiceType
    } else if (parameters.length == 1 && parameters[0] instanceof String && ((String) parameters[0]).startsWith("_")) {
        // $NON-NLS-1$
        final String type = (String) parameters[0];
        return new JSLPServiceTypeID(this, new ServiceTypeID(this, type));
    // error case second parameter not a String
    } else if (parameters.length == 2 && parameters[1] != null && !(parameters[1] instanceof String)) {
        // $NON-NLS-1$
        throw new IDCreateException("Second parameter must be of type String");
    // error case
    } else {
        // $NON-NLS-1$
        throw new IDCreateException("Wrong JSLPServiceID creation parameters");
    }
}

Example 2 with ServiceType

use of ch.ethz.iks.slp.ServiceType in project ecf by eclipse.

the class SLPCore method init.

protected static void init() {
    if (isInitialized) {
        return;
    }
    isInitialized = true;
    platform.logDebug("jSLP is running on the following interfaces: " + java.util.Arrays.asList(myIPs));
    platform.logDebug("jSLP is using port: " + SLP_PORT);
    String[] daAddresses = CONFIG.getDaAddresses();
    if (daAddresses == null) {
        if (noDiscovery) {
            throw new IllegalArgumentException("Configuration 'net.slp.noDaDiscovery=true' requires a non-empty list of preconfigured DAs");
        }
    } else {
        try {
            // process the preconfigured DAs
            final ServiceRequest req = new ServiceRequest(new ServiceType(SLP_DA_TYPE), null, null, null);
            req.port = SLP_PORT;
            for (int i = 0; i < daAddresses.length; i++) {
                try {
                    req.address = InetAddress.getByName(daAddresses[i]);
                    DAAdvertisement daa = (DAAdvertisement) sendMessage(req, true);
                    String[] scopes = (String[]) daa.scopeList.toArray(new String[daa.scopeList.size()]);
                    for (int j = 0; j < scopes.length; j++) {
                        platform.logDebug("jSLP is adding DA, " + daAddresses[i] + " for the Scope, " + scopes[j]);
                        SLPUtils.addValue(dAs, scopes[i].toLowerCase(), daAddresses[i]);
                    }
                } catch (ServiceLocationException e) {
                    platform.logWarning("Error communitcating with " + daAddresses[i], e);
                } catch (UnknownHostException e) {
                    platform.logWarning("Unknown net.slp.DAAddresses address: " + daAddresses[i], e);
                }
            }
        } catch (IllegalArgumentException ise) {
            platform.logDebug("May never happen", ise);
        }
    }
    if (!noDiscovery) {
        // perform an initial lookup
        try {
            List scopes = new ArrayList();
            scopes.add("default");
            daLookup(scopes);
        } catch (Exception e) {
            platform.logError("Exception in initial DA lookup", e);
        }
    }
}

Example 3 with ServiceType

use of ch.ethz.iks.slp.ServiceType in project ecf by eclipse.

the class SelfDiscoveryTest method testService.

/**
 * Test method for
 * {@link ch.ethz.iks.slp.Locator}.
 */
public void testService() throws Exception {
    int count = 0;
    for (ServiceLocationEnumeration services = TestActivator.locator.findServices(new ServiceType("service:osgi"), null, null); services.hasMoreElements(); ) {
        assertEquals(services.next().toString(), "service:osgi://" + HOST_AND_PORT);
        count++;
    }
    assertEquals(1, count);
}

Example 4 with ServiceType

use of ch.ethz.iks.slp.ServiceType in project ecf by eclipse.

the class SelfDiscoveryTest method testFilter.

/**
 * Test method for
 * {@link ch.ethz.iks.slp.Locator}.
 */
public void testFilter() throws Exception {
    int count = 0;
    for (ServiceLocationEnumeration services = TestActivator.locator.findServices(new ServiceType("service:osgi"), null, "(attr=false)"); services.hasMoreElements(); ) {
        assertEquals(services.next().toString(), "service:osgi://" + HOST_AND_PORT);
        count++;
    }
    assertEquals(1, count);
}

Example 5 with ServiceType

use of ch.ethz.iks.slp.ServiceType in project ecf by eclipse.

the class SLPCore method daLookup.

/**
 * find DAs for the scopes by sending a multicast service request for
 * service <i>service:directory-agent</i>.
 *
 * @param scopes
 *            a <code>List</code> of scopes.
 * @throws ServiceLocationException
 *             in case of network errors.
 */
static void daLookup(final List scopes) throws ServiceLocationException {
    int i = 0;
    try {
        // altered by Jan to be backwards compatible with Java 2
        for (; i < myIPs.length; i++) {
            // create a socket bound to the next ip address
            final InetAddress addr = InetAddress.getByName(myIPs[i]);
            DatagramSocket socket = new DatagramSocket(0, addr);
            ServiceRequest sreq = new ServiceRequest(new ServiceType(SLP_DA_TYPE), scopes, null, SLPCore.DEFAULT_LOCALE);
            sreq.xid = SLPCore.nextXid();
            sreq.scopeList = scopes;
            sreq.address = MCAST_ADDRESS;
            sreq.multicast = true;
            byte[] bytes = sreq.getBytes();
            DatagramPacket d = new DatagramPacket(bytes, bytes.length, MCAST_ADDRESS, SLP_PORT);
            platform.logTraceMessage("SENT " + sreq + "(udp multicast)");
            setupReceiverThread(socket, CONFIG.getWaitTime(), sreq);
            try {
                socket.send(d);
            } catch (SocketException se) {
                // blacklist address
                final List remaining = new ArrayList(java.util.Arrays.asList(myIPs));
                final String faulty = myIPs[i];
                remaining.remove(faulty);
                myIPs = (String[]) remaining.toArray(new String[remaining.size()]);
                platform.logDebug("Blacklisting IP " + faulty);
            }
        }
    } catch (IllegalArgumentException ise) {
        platform.logDebug("May never happen, no filter set", ise);
    } catch (UnknownHostException uhe) {
        platform.logWarning("Unknown net.slp.interfaces address: " + myIPs[i], uhe);
        throw new ServiceLocationException(ServiceLocationException.NETWORK_ERROR, uhe.getMessage());
    } catch (IOException e) {
        platform.logWarning("Error connecting to: " + myIPs[i], e);
        throw new ServiceLocationException(ServiceLocationException.NETWORK_ERROR, e.getMessage());
    }
}