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-rw-r--r--sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/main/java/org/apache/tuscany/sca/host/corba/jse/tns/TnsDefaultCorbaHost.java120
-rw-r--r--sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/main/resources/META-INF/services/org.apache.tuscany.sca.host.corba.CorbaHost17
-rw-r--r--sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/test/java/org/apache/tuscany/sca/host/corba/testing/TnsDefaultCorbaHostTestCase.java99
3 files changed, 236 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/main/java/org/apache/tuscany/sca/host/corba/jse/tns/TnsDefaultCorbaHost.java b/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/main/java/org/apache/tuscany/sca/host/corba/jse/tns/TnsDefaultCorbaHost.java
new file mode 100644
index 0000000000..4a395631b1
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/main/java/org/apache/tuscany/sca/host/corba/jse/tns/TnsDefaultCorbaHost.java
@@ -0,0 +1,120 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.host.corba.jse.tns;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.core.LifeCycleListener;
+import org.apache.tuscany.sca.host.corba.CorbaHost;
+import org.apache.tuscany.sca.host.corba.CorbaHostException;
+import org.apache.tuscany.sca.host.corba.CorbanameURL;
+import org.apache.tuscany.sca.host.corba.SocketUtil;
+import org.apache.tuscany.sca.host.corba.jse.DefaultCorbaHost;
+import org.apache.tuscany.sca.host.corba.naming.TransientNameServer;
+import org.apache.tuscany.sca.host.corba.naming.TransientNameService;
+import org.omg.CORBA.Object;
+
+/**
+ * @version $Rev$ $Date$
+ * Default implementation of CORBA host
+ */
+public class TnsDefaultCorbaHost implements CorbaHost, LifeCycleListener {
+
+ private static final Logger logger = Logger.getLogger(TnsDefaultCorbaHost.class.getName());
+ private Map<Integer, TransientNameServer> localServers = new ConcurrentHashMap<Integer, TransientNameServer>();
+ private Map<Integer, Integer> clientsCount = new ConcurrentHashMap<Integer, Integer>();
+ private CorbaHost targetHost = new DefaultCorbaHost();
+
+ public void registerServant(String uri, Object servantObject) throws CorbaHostException {
+ CorbanameURL details = new CorbanameURL(uri);
+ if (SocketUtil.isLocalhost(details.getHost())) {
+ createLocalNameServer(details.getPort());
+ }
+ targetHost.registerServant(uri, servantObject);
+ }
+
+ public void unregisterServant(String uri) throws CorbaHostException {
+ targetHost.unregisterServant(uri);
+ CorbanameURL details = new CorbanameURL(uri);
+ if (SocketUtil.isLocalhost(details.getHost())) {
+ releaseLocalNameServer(details.getPort());
+ }
+ }
+
+ public Object lookup(String uri) throws CorbaHostException {
+ return targetHost.lookup(uri);
+ }
+
+ /**
+ * Starts transient name server under given port. If TNS was previously
+ * spawned it increments clients counter.
+ */
+ synchronized private void createLocalNameServer(int port) throws CorbaHostException {
+ int useCount = clientsCount.containsKey(port) ? clientsCount.get(port) : 0;
+ // no server previously spawned
+ if (useCount == 0) {
+ TransientNameServer server =
+ new TransientNameServer("localhost", port, TransientNameService.DEFAULT_SERVICE_NAME);
+ Thread thread = server.start();
+ if (thread == null) {
+ throw new CorbaHostException("TransientNameServer couldn't be started");
+ } else {
+ localServers.put(port, server);
+ }
+ }
+ clientsCount.put(port, ++useCount);
+ }
+
+ /**
+ * Stops transient name server if there is only one client left using such
+ * TNS. Decrements clients counter if TNS is used by 2 or more clients.
+ */
+ synchronized private void releaseLocalNameServer(int port) throws CorbaHostException {
+ int useCount = clientsCount.containsKey(port) ? clientsCount.get(port) : 0;
+ if (useCount == 1) {
+ // last client executed stop, cleaning up
+ TransientNameServer server = localServers.get(port);
+ if (server != null) {
+ server.stop();
+ clientsCount.remove(port);
+ localServers.remove(port);
+ } else {
+ logger.warning("Local name server on port " + port + " was null!");
+ }
+ } else if (useCount > 1) {
+ clientsCount.put(port, --useCount);
+ } else {
+ logger.warning("Tried to release non existing local name server on port " + port);
+ }
+
+ }
+
+ public void stop() {
+ for (TransientNameServer tns : localServers.values()) {
+ tns.stop();
+ }
+ }
+
+ public void start() {
+ }
+
+}
diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/main/resources/META-INF/services/org.apache.tuscany.sca.host.corba.CorbaHost b/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/main/resources/META-INF/services/org.apache.tuscany.sca.host.corba.CorbaHost
new file mode 100644
index 0000000000..5706b13a42
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/main/resources/META-INF/services/org.apache.tuscany.sca.host.corba.CorbaHost
@@ -0,0 +1,17 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+org.apache.tuscany.sca.host.corba.jse.tns.TnsDefaultCorbaHost;ranking=10
diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/test/java/org/apache/tuscany/sca/host/corba/testing/TnsDefaultCorbaHostTestCase.java b/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/test/java/org/apache/tuscany/sca/host/corba/testing/TnsDefaultCorbaHostTestCase.java
new file mode 100644
index 0000000000..85ac98cfef
--- /dev/null
+++ b/sca-java-2.x/branches/2.0-Beta3/modules/host-corba-jse-tns/src/test/java/org/apache/tuscany/sca/host/corba/testing/TnsDefaultCorbaHostTestCase.java
@@ -0,0 +1,99 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.host.corba.testing;
+
+import static junit.framework.Assert.assertTrue;
+import static junit.framework.Assert.fail;
+
+import java.net.Socket;
+import java.net.SocketException;
+
+import org.apache.tuscany.sca.binding.corba.provider.service.DynaCorbaServant;
+import org.apache.tuscany.sca.host.corba.jse.tns.TnsDefaultCorbaHost;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * @version $Rev$ $Date$
+ * General tests
+ */
+public class TnsDefaultCorbaHostTestCase {
+
+ private static TnsDefaultCorbaHost host;
+
+ @BeforeClass
+ public static void start() {
+ try {
+ host = new TnsDefaultCorbaHost();
+ } catch (Throwable e) {
+ e.printStackTrace();
+ fail(e.getMessage());
+ }
+ }
+
+ @AfterClass
+ public static void stop() {
+ host.stop();
+ }
+
+ /**
+ * Test for creating and releasing local name server
+ */
+ @Test
+ @Ignore
+ public void test_localNameServer() {
+ int testPort = 5070;
+ try {
+ String testUri1 = "corbaname::localhost:" + testPort + "#Test1";
+ String testUri2 = "corbaname::localhost:" + testPort + "#Test2";
+ String testUri3 = "corbaname::localhost:" + testPort + "#Test3";
+ DynaCorbaServant servant = new DynaCorbaServant(null, "IDL:org/apache/tuscany:1.0");
+ host.registerServant(testUri1, servant);
+ host.registerServant(testUri2, servant);
+ host.registerServant(testUri3, servant);
+ Thread.sleep(1000);
+ // make test connection to name server
+ Socket socket = new Socket("localhost", testPort);
+ socket.close();
+ // and stop server
+ host.unregisterServant(testUri1);
+ host.unregisterServant(testUri2);
+ // after releasing 2 clients 3rd should still hold the server
+ socket = new Socket("localhost", testPort);
+ socket.close();
+ host.unregisterServant(testUri3);
+ Thread.sleep(1000);
+ } catch (Exception e) {
+ e.printStackTrace();
+ fail();
+ }
+ try {
+ // previously made 3rd stop so there should be no name server under
+ // this port
+ new Socket("localhost", testPort);
+ fail();
+ } catch (Exception e) {
+ assertTrue(e instanceof SocketException);
+ }
+ }
+}
+