/**
* @param serviceID
* @return
*/
static RemoteServiceRegistration getServiceRegistration(final String serviceID) {
final String filter =
"".equals(serviceID)
? null
: '(' //$NON-NLS-1$
+ Constants.SERVICE_ID
+ "="
+ serviceID
+ ")"; //$NON-NLS-1$ //$NON-NLS-2$
try {
final ServiceReference[] refs =
RemoteOSGiActivator.getActivator().getContext().getServiceReferences(null, filter);
if (refs == null) {
if (log != null) {
log.log(LogService.LOG_WARNING, "COULD NOT FIND " + filter); // $NON-NLS-1$
}
return null;
}
return (RemoteServiceRegistration) serviceRegistrations.get(refs[0]);
} catch (final InvalidSyntaxException e) {
e.printStackTrace();
return null;
}
}
private NetworkChannelFactory getNetworkChannelFactory(final String protocol)
throws RemoteOSGiException {
try {
final Filter filter =
RemoteOSGiActivator.getActivator()
.getContext()
.createFilter(
"(" //$NON-NLS-1$
+ NetworkChannelFactory.PROTOCOL_PROPERTY
+ "="
+ protocol //$NON-NLS-1$
+ ")"); //$NON-NLS-1$
final ServiceReference[] refs = networkChannelFactoryTracker.getServiceReferences();
if (refs != null) {
for (int i = 0; i < refs.length; i++) {
if (filter.match(refs[i])) {
return (NetworkChannelFactory) networkChannelFactoryTracker.getService(refs[i]);
}
}
}
throw new RemoteOSGiException(
"No NetworkChannelFactory for " //$NON-NLS-1$
+ protocol
+ " found."); //$NON-NLS-1$
} catch (final InvalidSyntaxException e) {
// does not happen
e.printStackTrace();
return null;
}
}
static {
final String verString = System.getProperty("java.class.version"); // $NON-NLS-1$
if (verString != null && Float.parseFloat(verString) >= 49) {
IS_JAVA5 = true;
}
final String osgiVerString = System.getProperty(Constants.FRAMEWORK_VERSION);
if (osgiVerString != null && (!osgiVerString.trim().startsWith("1.3"))) { // $NON-NLS-1$
IS_R4 = true;
}
Method m = null;
Method n = null;
try {
m = Bundle.class.getMethod("getEntry", new Class[] {String.class});
n = Bundle.class.getMethod("getEntryPaths", new Class[] {String.class});
} catch (SecurityException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
}
getEntry = m;
getEntryPaths = n;
File b = null;
try {
b =
getEntry == null
? RemoteOSGiActivator.getActivator()
.getContext()
.getDataFile("../..")
.getCanonicalFile()
: null;
} catch (IOException ioe) {
ioe.printStackTrace();
}
base = b;
}
/**
* creates a new RemoteOSGiServiceImpl instance.
*
* @throws IOException in case of IO problems.
*/
RemoteOSGiServiceImpl() throws IOException {
// find out own IP address
try {
MY_ADDRESS =
InetAddress.getAllByName(InetAddress.getLocalHost().getHostName())[0].getHostAddress();
} catch (final Throwable t) {
MY_ADDRESS =
System.getProperty(
"ch.ethz.iks.r_osgi.ip", //$NON-NLS-1$
"127.0.0.1"); //$NON-NLS-1$
}
// set the debug switches
final BundleContext context = RemoteOSGiActivator.getActivator().getContext();
String prop = context.getProperty(PROXY_DEBUG_PROPERTY);
PROXY_DEBUG = prop != null ? Boolean.valueOf(prop).booleanValue() : false;
prop = context.getProperty(MSG_DEBUG_PROPERTY);
MSG_DEBUG = prop != null ? Boolean.valueOf(prop).booleanValue() : false;
prop = context.getProperty(DEBUG_PROPERTY);
DEBUG = prop != null ? Boolean.valueOf(prop).booleanValue() : false;
if (log != null) {
if (PROXY_DEBUG) {
log.log(LogService.LOG_INFO, "PROXY DEBUG OUTPUTS ENABLED"); // $NON-NLS-1$
}
if (MSG_DEBUG) {
log.log(LogService.LOG_INFO, "MESSAGE DEBUG OUTPUTS ENABLED"); // $NON-NLS-1$
}
if (DEBUG) {
log.log(LogService.LOG_INFO, "INTERNAL DEBUG OUTPUTS ENABLED"); // $NON-NLS-1$
}
} else {
if (PROXY_DEBUG || MSG_DEBUG || DEBUG) {
System.err.println(
"WARNING: NO LOG SERVICE PRESENT, DEBUG PROPERTIES HAVE NO EFFECT ..."); //$NON-NLS-1$
PROXY_DEBUG = false;
MSG_DEBUG = false;
DEBUG = false;
}
}
// set port
prop = context.getProperty(R_OSGi_PORT_PROPERTY);
R_OSGI_PORT = prop != null ? Integer.parseInt(prop) : 9278;
// initialize the transactionID with a random value
nextXid = (short) Math.round(Math.random() * Short.MAX_VALUE);
// get the package admin
final ServiceReference ref = context.getServiceReference(PackageAdmin.class.getName());
if (ref == null) {
// TODO: handle this more gracefully
throw new RuntimeException(
"No package admin service available, R-OSGi terminates."); //$NON-NLS-1$
}
pkgAdmin = (PackageAdmin) context.getService(ref);
setupTrackers(context);
}
/**
* @param ref the <code>RemoteServiceReference</code>.
* @return the service object or <code>null</code> if the service is not (yet) present.
* @see
* ch.ethz.iks.r_osgi.RemoteOSGiService#getFetchedService(ch.ethz.iks.r_osgi.RemoteServiceReference)
* @category RemoteOSGiService
* @since 0.6
*/
public Object getRemoteService(final RemoteServiceReference ref) {
if (ref == null) {
throw new IllegalArgumentException("Remote Reference is null."); // $NON-NLS-1$
}
ServiceReference sref = getFetchedServiceReference(ref);
if (sref == null) {
fetchService(ref);
sref = getFetchedServiceReference(ref);
}
return sref == null ? null : RemoteOSGiActivator.getActivator().getContext().getService(sref);
}
/**
* @param ref the <code>RemoteServiceReference</code> to the service.
* @return the service reference of the service (or service proxy) or <code>null</code> if the
* service is not (yet) present.
* @see
* ch.ethz.iks.r_osgi.RemoteOSGiService#getFetchedServiceReference(ch.ethz.iks.r_osgi.RemoteServiceReference)
* @category RemoteOSGiService
* @since 0.6
*/
private ServiceReference getFetchedServiceReference(final RemoteServiceReference ref) {
try {
final ServiceReference[] refs =
RemoteOSGiActivator.getActivator()
.getContext()
.getServiceReferences(
ref.getServiceInterfaces()[0],
"(" //$NON-NLS-1$
+ SERVICE_URI
+ "="
+ ref.getURI()
+ ")"); //$NON-NLS-1$ //$NON-NLS-2$
if (refs != null) {
return refs[0];
}
} catch (final InvalidSyntaxException doesNotHappen) {
doesNotHappen.printStackTrace();
}
return null;
}
/**
* @throws InterruptedException
* @see
* ch.ethz.iks.r_osgi.RemoteOSGiService#getRemoteServiceBundle(ch.ethz.iks.r_osgi.RemoteServiceReference)
* @since 1.0.0.RC4
*/
public Object getRemoteServiceBundle(final RemoteServiceReference ref, final int timeout)
throws InterruptedException {
if (ref == null) {
throw new IllegalArgumentException("Remote Reference is null."); // $NON-NLS-1$
}
getChannel(ref.getURI()).getCloneBundle(ref);
if (timeout < 0) {
return null;
}
// TODO: FIXME use at least all service interfaces
final ServiceTracker tracker =
new ServiceTracker(
RemoteOSGiActivator.getActivator().getContext(), ref.getServiceInterfaces()[0], null);
tracker.open();
tracker.waitForService(0);
// TODO: FIXME compare that the service is actually the one from the
// fetched
// bundle!
return tracker.getService();
}
/**
* @see ch.ethz.iks.r_osgi.RemoteOSGiService#getRemoteServiceReferences(ch.ethz.iks.r_osgi.URI,
* java.lang.String, org.osgi.framework.Filter)
*/
public RemoteServiceReference[] getRemoteServiceReferences(
final URI service, final String clazz, final Filter filter) {
final String uri = getChannelURI(service);
ChannelEndpointImpl channel = (ChannelEndpointImpl) channels.get(uri);
if (channel == null) {
try {
connect(service);
channel = (ChannelEndpointImpl) channels.get(uri);
} catch (final IOException ioe) {
throw new RemoteOSGiException("Cannot connect to " + uri); // $NON-NLS-1$
}
}
if (clazz == null) {
return channel.getAllRemoteReferences(null);
}
try {
return channel.getAllRemoteReferences(
RemoteOSGiActivator.getActivator()
.getContext()
.createFilter(
filter != null
? "(&"
+ filter
+ "(" //$NON-NLS-1$ //$NON-NLS-2$
+ Constants.OBJECTCLASS
+ "="
+ clazz
+ "))"
: "(" //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+ Constants.OBJECTCLASS
+ "="
+ clazz
+ ")")); //$NON-NLS-1$ //$NON-NLS-2$
} catch (final InvalidSyntaxException ise) {
ise.printStackTrace();
return null;
}
}
