added demo rest api for adding and withdrawing intents in a mesh
Change-Id: Ic68a9054c8a1a3d4223e75845f78205d8703ae56
diff --git a/apps/demo/src/main/java/org/onlab/onos/demo/DemoAPI.java b/apps/demo/src/main/java/org/onlab/onos/demo/DemoAPI.java
new file mode 100644
index 0000000..2a267f3
--- /dev/null
+++ b/apps/demo/src/main/java/org/onlab/onos/demo/DemoAPI.java
@@ -0,0 +1,21 @@
+package org.onlab.onos.demo;
+
+/**
+ * Simple demo api interface.
+ */
+public interface DemoAPI {
+
+ enum InstallType { MESH, RANDOM };
+
+ /**
+ * Installs intents based on the installation type.
+ * @param type the installation type.
+ */
+ void setup(InstallType type);
+
+ /**
+ * Uninstalls all existing intents.
+ */
+ void tearDown();
+
+}
diff --git a/apps/demo/src/main/java/org/onlab/onos/demo/DemoInstaller.java b/apps/demo/src/main/java/org/onlab/onos/demo/DemoInstaller.java
new file mode 100644
index 0000000..ca2d6db
--- /dev/null
+++ b/apps/demo/src/main/java/org/onlab/onos/demo/DemoInstaller.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * Licensed 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.onlab.onos.demo;
+
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onlab.onos.core.ApplicationId;
+import org.onlab.onos.core.CoreService;
+import org.onlab.onos.net.Host;
+import org.onlab.onos.net.flow.DefaultTrafficSelector;
+import org.onlab.onos.net.flow.DefaultTrafficTreatment;
+import org.onlab.onos.net.flow.TrafficSelector;
+import org.onlab.onos.net.flow.TrafficTreatment;
+import org.onlab.onos.net.host.HostService;
+import org.onlab.onos.net.intent.HostToHostIntent;
+import org.onlab.onos.net.intent.Intent;
+import org.onlab.onos.net.intent.IntentService;
+import org.slf4j.Logger;
+
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Application to set up demos.
+ */
+@Component(immediate = true)
+@Service
+public class DemoInstaller implements DemoAPI {
+
+ private final Logger log = getLogger(getClass());
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CoreService coreService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected IntentService intentService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected HostService hostService;
+
+ private ExecutorService worker;
+
+ private ApplicationId appId;
+
+ private final Set<Intent> existingIntents = new HashSet<>();
+
+
+
+ @Activate
+ public void activate() {
+ appId = coreService.registerApplication("org.onlab.onos.demo.installer");
+ worker = Executors.newFixedThreadPool(1,
+ new ThreadFactoryBuilder()
+ .setNameFormat("demo-app-worker")
+ .build());
+ log.info("Started with Application ID {}", appId.id());
+ }
+
+ @Deactivate
+ public void deactivate() {
+ worker.shutdownNow();
+ log.info("Stopped");
+ }
+
+ @Override
+ public void setup(InstallType type) {
+ switch (type) {
+ case MESH:
+ log.debug("Installing mesh intents");
+ worker.execute(new MeshInstaller());
+ break;
+ case RANDOM:
+ throw new IllegalArgumentException("Not yet implemented.");
+ default:
+ throw new IllegalArgumentException("What is it you want exactly?");
+ }
+ }
+
+ @Override
+ public void tearDown() {
+ worker.submit(new UnInstaller());
+ }
+
+
+ private class MeshInstaller implements Runnable {
+
+ @Override
+ public void run() {
+ TrafficSelector selector = DefaultTrafficSelector.builder().build();
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder().build();
+
+ List<Host> hosts = Lists.newArrayList(hostService.getHosts());
+ while (!hosts.isEmpty()) {
+ Host src = hosts.remove(0);
+ for (Host dst : hosts) {
+ HostToHostIntent intent = new HostToHostIntent(appId, src.id(), dst.id(),
+ selector, treatment,
+ null);
+ existingIntents.add(intent);
+ intentService.submit(intent);
+ }
+ }
+ }
+ }
+
+
+ private class UnInstaller implements Runnable {
+ @Override
+ public void run() {
+ for (Intent i : existingIntents) {
+ intentService.withdraw(i);
+ }
+ }
+ }
+}
+
+
diff --git a/apps/demo/src/main/java/org/onlab/onos/demo/DemoResource.java b/apps/demo/src/main/java/org/onlab/onos/demo/DemoResource.java
new file mode 100644
index 0000000..f533072
--- /dev/null
+++ b/apps/demo/src/main/java/org/onlab/onos/demo/DemoResource.java
@@ -0,0 +1,54 @@
+package org.onlab.onos.demo;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.onlab.rest.BaseResource;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Rest API for demos.
+ */
+@Path("intents")
+public class DemoResource extends BaseResource {
+
+
+ @POST
+ @Path("setup")
+ @Consumes(MediaType.APPLICATION_JSON)
+ @Produces(MediaType.APPLICATION_JSON)
+ public Response setup(InputStream input) throws IOException {
+ ObjectMapper mapper = new ObjectMapper();
+ JsonNode cfg = mapper.readTree(input);
+ if (!cfg.has("type")) {
+ return Response.status(Response.Status.BAD_REQUEST)
+ .entity("Expected type field containing either mesh or random.").build();
+ }
+
+ DemoAPI.InstallType type = DemoAPI.InstallType.valueOf(
+ cfg.get("type").asText().toUpperCase());
+ DemoAPI demo = get(DemoAPI.class);
+ demo.setup(type);
+
+ return Response.ok(mapper.createObjectNode().toString()).build();
+ }
+
+ @GET
+ @Path("teardown")
+ @Produces(MediaType.APPLICATION_JSON)
+ public Response tearDown() throws IOException {
+ ObjectMapper mapper = new ObjectMapper();
+ DemoAPI demo = get(DemoAPI.class);
+ demo.tearDown();
+ return Response.ok(mapper.createObjectNode().toString()).build();
+ }
+
+}
diff --git a/apps/demo/src/main/java/org/onlab/onos/demo/package-info.java b/apps/demo/src/main/java/org/onlab/onos/demo/package-info.java
new file mode 100644
index 0000000..b60eb15
--- /dev/null
+++ b/apps/demo/src/main/java/org/onlab/onos/demo/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * Licensed 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.
+ */
+
+/**
+ * Demo applications live here.
+ */
+package org.onlab.onos.demo;