Merge branch 'master' of ssh://gerrit.onlab.us:29418/onos-next
diff --git a/apps/tvue/src/main/java/org/onlab/onos/tvue/TopologyResource.java b/apps/tvue/src/main/java/org/onlab/onos/tvue/TopologyResource.java
index 145e94a..079ba54 100644
--- a/apps/tvue/src/main/java/org/onlab/onos/tvue/TopologyResource.java
+++ b/apps/tvue/src/main/java/org/onlab/onos/tvue/TopologyResource.java
@@ -11,6 +11,7 @@
 import org.onlab.onos.net.device.DeviceService;
 import org.onlab.onos.net.host.HostService;
 import org.onlab.onos.net.link.LinkService;
+import org.onlab.onos.net.path.PathService;
 import org.onlab.onos.net.topology.Topology;
 import org.onlab.onos.net.topology.TopologyGraph;
 import org.onlab.onos.net.topology.TopologyService;
@@ -28,6 +29,7 @@
 import java.util.Set;
 
 import static org.onlab.onos.net.DeviceId.deviceId;
+import static org.onlab.onos.net.HostId.hostId;
 import static org.onlab.onos.net.PortNumber.portNumber;
 
 /**
@@ -99,12 +101,11 @@
     @Produces("application/json")
     public Response paths(@PathParam("src") String src, @PathParam("dst") String dst) {
         ObjectMapper mapper = new ObjectMapper();
-
-        TopologyService topologyService = get(TopologyService.class);
-        Topology topology = topologyService.currentTopology();
+        PathService pathService = get(PathService.class);
+        Set<Path> paths = pathService.getPaths(elementId(src), elementId(dst));
 
         ArrayNode pathsNode = mapper.createArrayNode();
-        for (Path path : topologyService.getPaths(topology, deviceId(src), deviceId(dst))) {
+        for (Path path : paths) {
             pathsNode.add(json(mapper, path));
         }
 
@@ -114,6 +115,11 @@
         return Response.ok(rootNode.toString()).build();
     }
 
+    // Creates either device ID or host ID as appropriate.
+    private ElementId elementId(String id) {
+        return id.startsWith("nic:") ? hostId(id) : deviceId(id);
+    }
+
     // Scan all links and counts number of them between the same devices
     // using a normalized link key.
     private Map<String, AggLink> aggregateLinks() {
diff --git a/core/api/src/main/java/org/onlab/onos/net/DefaultEdgeLink.java b/core/api/src/main/java/org/onlab/onos/net/DefaultEdgeLink.java
index 41cd045..07a57e9e 100644
--- a/core/api/src/main/java/org/onlab/onos/net/DefaultEdgeLink.java
+++ b/core/api/src/main/java/org/onlab/onos/net/DefaultEdgeLink.java
@@ -23,8 +23,8 @@
      */
     public DefaultEdgeLink(ProviderId providerId, ConnectPoint hostPoint,
                            HostLocation hostLocation, boolean isIngress) {
-        super(providerId, isIngress ? hostLocation : hostPoint,
-              isIngress ? hostPoint : hostLocation, Type.EDGE);
+        super(providerId, isIngress ? hostPoint : hostLocation,
+              isIngress ? hostLocation : hostPoint, Type.EDGE);
         checkArgument(hostPoint.elementId() instanceof HostId,
                       "Host point does not refer to a host ID");
         this.hostId = (HostId) hostPoint.elementId();
diff --git a/core/api/src/main/java/org/onlab/onos/net/HostId.java b/core/api/src/main/java/org/onlab/onos/net/HostId.java
index 170e2a2..c6ba53f 100644
--- a/core/api/src/main/java/org/onlab/onos/net/HostId.java
+++ b/core/api/src/main/java/org/onlab/onos/net/HostId.java
@@ -44,7 +44,7 @@
      */
     public static HostId hostId(MACAddress mac, VLANID vlanId) {
         // FIXME: use more efficient means of encoding
-        return hostId("nic" + ":" + mac + "/" + vlanId);
+        return hostId("nic" + ":" + mac + "-" + vlanId);
     }
 
     /**
diff --git a/core/api/src/main/java/org/onlab/onos/net/path/PathService.java b/core/api/src/main/java/org/onlab/onos/net/path/PathService.java
new file mode 100644
index 0000000..efbd484
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/path/PathService.java
@@ -0,0 +1,36 @@
+package org.onlab.onos.net.path;
+
+import org.onlab.onos.net.ElementId;
+import org.onlab.onos.net.Path;
+import org.onlab.onos.net.topology.LinkWeight;
+
+import java.util.Set;
+
+/**
+ * Service for obtaining pre-computed paths or for requesting computation of
+ * paths using the current topology snapshot.
+ */
+public interface PathService {
+
+    /**
+     * Returns the set of all shortest paths, precomputed in terms of hop-count,
+     * between the specified source and destination elements.
+     *
+     * @param src source element
+     * @param dst destination element
+     * @return set of all shortest paths between the two elements
+     */
+    Set<Path> getPaths(ElementId src, ElementId dst);
+
+    /**
+     * Returns the set of all shortest paths, computed using the supplied
+     * edge-weight entity, between the specified source and destination
+     * network elements.
+     *
+     * @param src source element
+     * @param dst destination element
+     * @return set of all shortest paths between the two element
+     */
+    Set<Path> getPaths(ElementId src, ElementId dst, LinkWeight weight);
+
+}
diff --git a/core/api/src/test/java/org/onlab/onos/net/DefaultEdgeLinkTest.java b/core/api/src/test/java/org/onlab/onos/net/DefaultEdgeLinkTest.java
index 368ff16..a19f969 100644
--- a/core/api/src/test/java/org/onlab/onos/net/DefaultEdgeLinkTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/DefaultEdgeLinkTest.java
@@ -47,8 +47,8 @@
     public void basics() {
         HostLocation hostLocation = new HostLocation(DID1, P1, 123L);
         EdgeLink link = new DefaultEdgeLink(PID, cp(HID1, P0), hostLocation, false);
-        assertEquals("incorrect src", cp(HID1, P0), link.src());
-        assertEquals("incorrect dst", hostLocation, link.dst());
+        assertEquals("incorrect src", cp(HID1, P0), link.dst());
+        assertEquals("incorrect dst", hostLocation, link.src());
         assertEquals("incorrect type", Link.Type.EDGE, link.type());
         assertEquals("incorrect hostId", HID1, link.hostId());
         assertEquals("incorrect connect point", hostLocation, link.hostLocation());
diff --git a/core/api/src/test/java/org/onlab/onos/net/HostIdTest.java b/core/api/src/test/java/org/onlab/onos/net/HostIdTest.java
index fefc499..d79f616 100644
--- a/core/api/src/test/java/org/onlab/onos/net/HostIdTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/HostIdTest.java
@@ -22,7 +22,7 @@
     @Test
     public void basics() {
         new EqualsTester()
-                .addEqualityGroup(hostId("nic:00:11:00:00:00:01/11"),
+                .addEqualityGroup(hostId("nic:00:11:00:00:00:01-11"),
                                   hostId(MAC1, VLAN1))
                 .addEqualityGroup(hostId(MAC2, VLAN2))
                 .testEquals();
diff --git a/core/api/src/test/java/org/onlab/onos/net/device/DeviceServiceAdapter.java b/core/api/src/test/java/org/onlab/onos/net/device/DeviceServiceAdapter.java
new file mode 100644
index 0000000..bfb28f6
--- /dev/null
+++ b/core/api/src/test/java/org/onlab/onos/net/device/DeviceServiceAdapter.java
@@ -0,0 +1,58 @@
+package org.onlab.onos.net.device;
+
+import org.onlab.onos.net.Device;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.MastershipRole;
+import org.onlab.onos.net.Port;
+import org.onlab.onos.net.PortNumber;
+
+import java.util.List;
+
+/**
+ * Test adapter for device service.
+ */
+public class DeviceServiceAdapter implements DeviceService {
+    @Override
+    public int getDeviceCount() {
+        return 0;
+    }
+
+    @Override
+    public Iterable<Device> getDevices() {
+        return null;
+    }
+
+    @Override
+    public Device getDevice(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public MastershipRole getRole(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public List<Port> getPorts(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public Port getPort(DeviceId deviceId, PortNumber portNumber) {
+        return null;
+    }
+
+    @Override
+    public boolean isAvailable(DeviceId deviceId) {
+        return false;
+    }
+
+    @Override
+    public void addListener(DeviceListener listener) {
+    }
+
+    @Override
+    public void removeListener(DeviceListener listener) {
+    }
+
+}
diff --git a/core/api/src/test/java/org/onlab/onos/net/host/HostServiceAdapter.java b/core/api/src/test/java/org/onlab/onos/net/host/HostServiceAdapter.java
new file mode 100644
index 0000000..54a630e
--- /dev/null
+++ b/core/api/src/test/java/org/onlab/onos/net/host/HostServiceAdapter.java
@@ -0,0 +1,65 @@
+package org.onlab.onos.net.host;
+
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.Host;
+import org.onlab.onos.net.HostId;
+import org.onlab.packet.IPAddress;
+import org.onlab.packet.MACAddress;
+import org.onlab.packet.VLANID;
+
+import java.util.Set;
+
+/**
+ * Test adapter for host service.
+ */
+public class HostServiceAdapter implements HostService {
+    @Override
+    public int getHostCount() {
+        return 0;
+    }
+
+    @Override
+    public Iterable<Host> getHosts() {
+        return null;
+    }
+
+    @Override
+    public Host getHost(HostId hostId) {
+        return null;
+    }
+
+    @Override
+    public Set<Host> getHostsByVlan(VLANID vlanId) {
+        return null;
+    }
+
+    @Override
+    public Set<Host> getHostsByMac(MACAddress mac) {
+        return null;
+    }
+
+    @Override
+    public Set<Host> getHostsByIp(IPAddress ip) {
+        return null;
+    }
+
+    @Override
+    public Set<Host> getConnectedHosts(ConnectPoint connectPoint) {
+        return null;
+    }
+
+    @Override
+    public Set<Host> getConnectedHosts(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public void addListener(HostListener listener) {
+    }
+
+    @Override
+    public void removeListener(HostListener listener) {
+    }
+
+}
diff --git a/core/api/src/test/java/org/onlab/onos/net/link/LinkServiceAdapter.java b/core/api/src/test/java/org/onlab/onos/net/link/LinkServiceAdapter.java
new file mode 100644
index 0000000..fd3aa0c
--- /dev/null
+++ b/core/api/src/test/java/org/onlab/onos/net/link/LinkServiceAdapter.java
@@ -0,0 +1,66 @@
+package org.onlab.onos.net.link;
+
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.Link;
+
+import java.util.Set;
+
+/**
+ * Test adapter for link service.
+ */
+public class LinkServiceAdapter implements LinkService {
+    @Override
+    public int getLinkCount() {
+        return 0;
+    }
+
+    @Override
+    public Iterable<Link> getLinks() {
+        return null;
+    }
+
+    @Override
+    public Set<Link> getDeviceLinks(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public Set<Link> getDeviceEgressLinks(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public Set<Link> getDeviceIngressLinks(DeviceId deviceId) {
+        return null;
+    }
+
+    @Override
+    public Set<Link> getLinks(ConnectPoint connectPoint) {
+        return null;
+    }
+
+    @Override
+    public Set<Link> getEgressLinks(ConnectPoint connectPoint) {
+        return null;
+    }
+
+    @Override
+    public Set<Link> getIngressLinks(ConnectPoint connectPoint) {
+        return null;
+    }
+
+    @Override
+    public Link getLink(ConnectPoint src, ConnectPoint dst) {
+        return null;
+    }
+
+    @Override
+    public void addListener(LinkListener listener) {
+    }
+
+    @Override
+    public void removeListener(LinkListener listener) {
+    }
+
+}
diff --git a/core/api/src/test/java/org/onlab/onos/net/topology/TopologyServiceAdapter.java b/core/api/src/test/java/org/onlab/onos/net/topology/TopologyServiceAdapter.java
new file mode 100644
index 0000000..cfc22e0
--- /dev/null
+++ b/core/api/src/test/java/org/onlab/onos/net/topology/TopologyServiceAdapter.java
@@ -0,0 +1,77 @@
+package org.onlab.onos.net.topology;
+
+import org.onlab.onos.net.ConnectPoint;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.Link;
+import org.onlab.onos.net.Path;
+
+import java.util.Set;
+
+/**
+ * Test adapter for topology service.
+ */
+public class TopologyServiceAdapter implements TopologyService {
+    @Override
+    public Topology currentTopology() {
+        return null;
+    }
+
+    @Override
+    public boolean isLatest(Topology topology) {
+        return false;
+    }
+
+    @Override
+    public TopologyGraph getGraph(Topology topology) {
+        return null;
+    }
+
+    @Override
+    public Set<TopologyCluster> getClusters(Topology topology) {
+        return null;
+    }
+
+    @Override
+    public TopologyCluster getCluster(Topology topology, ClusterId clusterId) {
+        return null;
+    }
+
+    @Override
+    public Set<DeviceId> getClusterDevices(Topology topology, TopologyCluster cluster) {
+        return null;
+    }
+
+    @Override
+    public Set<Link> getClusterLinks(Topology topology, TopologyCluster cluster) {
+        return null;
+    }
+
+    @Override
+    public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst) {
+        return null;
+    }
+
+    @Override
+    public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst, LinkWeight weight) {
+        return null;
+    }
+
+    @Override
+    public boolean isInfrastructure(Topology topology, ConnectPoint connectPoint) {
+        return false;
+    }
+
+    @Override
+    public boolean isBroadcastPoint(Topology topology, ConnectPoint connectPoint) {
+        return false;
+    }
+
+    @Override
+    public void addListener(TopologyListener listener) {
+    }
+
+    @Override
+    public void removeListener(TopologyListener listener) {
+    }
+
+}
diff --git a/core/trivial/src/main/java/org/onlab/onos/net/trivial/path/SimplePathManager.java b/core/trivial/src/main/java/org/onlab/onos/net/trivial/path/SimplePathManager.java
new file mode 100644
index 0000000..a0ab2e7
--- /dev/null
+++ b/core/trivial/src/main/java/org/onlab/onos/net/trivial/path/SimplePathManager.java
@@ -0,0 +1,170 @@
+package org.onlab.onos.net.trivial.path;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+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.net.ConnectPoint;
+import org.onlab.onos.net.DefaultEdgeLink;
+import org.onlab.onos.net.DefaultPath;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.net.EdgeLink;
+import org.onlab.onos.net.ElementId;
+import org.onlab.onos.net.Host;
+import org.onlab.onos.net.HostId;
+import org.onlab.onos.net.HostLocation;
+import org.onlab.onos.net.Link;
+import org.onlab.onos.net.Path;
+import org.onlab.onos.net.PortNumber;
+import org.onlab.onos.net.host.HostService;
+import org.onlab.onos.net.path.PathService;
+import org.onlab.onos.net.provider.ProviderId;
+import org.onlab.onos.net.topology.LinkWeight;
+import org.onlab.onos.net.topology.Topology;
+import org.onlab.onos.net.topology.TopologyService;
+import org.slf4j.Logger;
+
+import java.util.List;
+import java.util.Set;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.onos.net.DeviceId.deviceId;
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Provides implementation of a path selection service atop the current
+ * topology and host services.
+ */
+@Component(immediate = true)
+@Service
+public class SimplePathManager implements PathService {
+
+    private static final String ELEMENT_ID_NULL = "Element ID cannot be null";
+
+    private static final ProviderId PID = new ProviderId("org.onlab.onos.core");
+    private static final PortNumber P0 = PortNumber.portNumber(0);
+
+    private static final EdgeLink NOT_HOST = new NotHost();
+
+    private final Logger log = getLogger(getClass());
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected TopologyService topologyService;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected HostService hostService;
+
+    @Activate
+    public void setUp() {
+        log.info("Started");
+    }
+
+    @Deactivate
+    public void tearDown() {
+        log.info("Stopped");
+    }
+
+    @Override
+    public Set<Path> getPaths(ElementId src, ElementId dst) {
+        return getPaths(src, dst, null);
+    }
+
+    @Override
+    public Set<Path> getPaths(ElementId src, ElementId dst, LinkWeight weight) {
+        checkNotNull(src, ELEMENT_ID_NULL);
+        checkNotNull(dst, ELEMENT_ID_NULL);
+
+        // Get the source and destination edge locations
+        EdgeLink srcEdge = getEdgeLink(src, true);
+        EdgeLink dstEdge = getEdgeLink(dst, false);
+
+        DeviceId srcDevice = srcEdge != NOT_HOST ? srcEdge.dst().deviceId() : (DeviceId) src;
+        DeviceId dstDevice = dstEdge != NOT_HOST ? dstEdge.src().deviceId() : (DeviceId) dst;
+
+        // If the source and destination are on the same edge device, there
+        // is just one path, so build it and return it.
+        if (srcDevice.equals(dstDevice)) {
+            return edgeToEdgePaths(srcEdge, dstEdge);
+        }
+
+        // Otherwise get all paths between the source and destination edge
+        // devices.
+        Topology topology = topologyService.currentTopology();
+        Set<Path> paths = weight == null ?
+                topologyService.getPaths(topology, srcDevice, dstDevice) :
+                topologyService.getPaths(topology, srcDevice, dstDevice, weight);
+
+        return edgeToEdgePaths(srcEdge, dstEdge, paths);
+    }
+
+    // Finds the host edge link if the element ID is a host id of an existing
+    // host. Otherwise, if the host does not exist, it returns null and if
+    // the element ID is not a host ID, returns NOT_HOST edge link.
+    private EdgeLink getEdgeLink(ElementId elementId, boolean isIngress) {
+        if (elementId instanceof HostId) {
+            // Resolve the host, return null.
+            Host host = hostService.getHost((HostId) elementId);
+            if (host == null) {
+                return null;
+            }
+            return new DefaultEdgeLink(PID, new ConnectPoint(elementId, P0),
+                                       host.location(), isIngress);
+        }
+        return NOT_HOST;
+    }
+
+    // Produces a set of direct edge-to-edge paths.
+    private Set<Path> edgeToEdgePaths(EdgeLink srcLink, EdgeLink dstLink) {
+        Set<Path> endToEndPaths = Sets.newHashSetWithExpectedSize(1);
+        if (srcLink != NOT_HOST || dstLink != NOT_HOST) {
+            endToEndPaths.add(edgeToEdgePath(srcLink, dstLink));
+        }
+        return endToEndPaths;
+    }
+
+    // Produces a direct edge-to-edge path.
+    private Path edgeToEdgePath(EdgeLink srcLink, EdgeLink dstLink) {
+        List<Link> links = Lists.newArrayListWithCapacity(2);
+        // Add source and destination edge links only if they are real.
+        if (srcLink != NOT_HOST) {
+            links.add(srcLink);
+        }
+        if (dstLink != NOT_HOST) {
+            links.add(dstLink);
+        }
+        return new DefaultPath(PID, links, 2);
+    }
+
+    // Produces a set of edge-to-edge paths using the set of infrastructure
+    // paths and the given edge links.
+    private Set<Path> edgeToEdgePaths(EdgeLink srcLink, EdgeLink dstLink, Set<Path> paths) {
+        Set<Path> endToEndPaths = Sets.newHashSetWithExpectedSize(paths.size());
+        for (Path path : paths) {
+            endToEndPaths.add(edgeToEdgePath(srcLink, dstLink, path));
+        }
+        return endToEndPaths;
+    }
+
+    // Produces an edge-to-edge path using the specified infrastructure path
+    // and edge links.
+    private Path edgeToEdgePath(EdgeLink srcLink, EdgeLink dstLink, Path path) {
+        List<Link> links = Lists.newArrayListWithCapacity(path.links().size() + 2);
+        links.add(srcLink);
+        links.addAll(path.links());
+        links.add(dstLink);
+        return new DefaultPath(path.providerId(), links, path.cost() + 2);
+    }
+
+    // Special value for edge link to represent that this is really not an
+    // edge link since the src or dst are really an infrastructure device.
+    private static class NotHost extends DefaultEdgeLink implements EdgeLink {
+        NotHost() {
+            super(PID, new ConnectPoint(HostId.hostId("nic:none"), P0),
+                  new HostLocation(deviceId("none:none"), P0, 0L), false);
+        }
+    }
+}
diff --git a/of/api/src/test/java/org/onlab/onos/of/controller/OpenflowControllerAdapter.java b/of/api/src/test/java/org/onlab/onos/of/controller/OpenflowControllerAdapter.java
new file mode 100644
index 0000000..09c0fbe
--- /dev/null
+++ b/of/api/src/test/java/org/onlab/onos/of/controller/OpenflowControllerAdapter.java
@@ -0,0 +1,66 @@
+package org.onlab.onos.of.controller;
+
+import org.projectfloodlight.openflow.protocol.OFMessage;
+
+/**
+ * Test adapter for the OpenFlow controller interface.
+ */
+public class OpenflowControllerAdapter implements OpenFlowController {
+    @Override
+    public Iterable<OpenFlowSwitch> getSwitches() {
+        return null;
+    }
+
+    @Override
+    public Iterable<OpenFlowSwitch> getMasterSwitches() {
+        return null;
+    }
+
+    @Override
+    public Iterable<OpenFlowSwitch> getEqualSwitches() {
+        return null;
+    }
+
+    @Override
+    public OpenFlowSwitch getSwitch(Dpid dpid) {
+        return null;
+    }
+
+    @Override
+    public OpenFlowSwitch getMasterSwitch(Dpid dpid) {
+        return null;
+    }
+
+    @Override
+    public OpenFlowSwitch getEqualSwitch(Dpid dpid) {
+        return null;
+    }
+
+    @Override
+    public void addListener(OpenFlowSwitchListener listener) {
+    }
+
+    @Override
+    public void removeListener(OpenFlowSwitchListener listener) {
+    }
+
+    @Override
+    public void addPacketListener(int priority, PacketListener listener) {
+    }
+
+    @Override
+    public void removePacketListener(PacketListener listener) {
+    }
+
+    @Override
+    public void write(Dpid dpid, OFMessage msg) {
+    }
+
+    @Override
+    public void processPacket(Dpid dpid, OFMessage msg) {
+    }
+
+    @Override
+    public void setRole(Dpid dpid, RoleState role) {
+    }
+}
diff --git a/pom.xml b/pom.xml
index f461357..b913040 100644
--- a/pom.xml
+++ b/pom.xml
@@ -144,10 +144,24 @@
             </dependency>
             <dependency>
                 <groupId>org.onlab.onos</groupId>
+                <artifactId>onos-api</artifactId>
+                <version>${project.version}</version>
+                <classifier>tests</classifier>
+                <scope>test</scope>
+            </dependency>
+
+            <dependency>
+                <groupId>org.onlab.onos</groupId>
                 <artifactId>onos-of-api</artifactId>
                 <version>${project.version}</version>
             </dependency>
-
+            <dependency>
+                <groupId>org.onlab.onos</groupId>
+                <artifactId>onos-of-api</artifactId>
+                <version>${project.version}</version>
+                <classifier>tests</classifier>
+                <scope>test</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
diff --git a/providers/of/host/src/main/test/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java b/providers/of/host/src/test/java/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java
similarity index 60%
rename from providers/of/host/src/main/test/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java
rename to providers/of/host/src/test/java/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java
index 38dd60b..fbc086c 100644
--- a/providers/of/host/src/main/test/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java
+++ b/providers/of/host/src/test/java/org/onlab/onos/provider/of/host/impl/OpenFlowHostProviderTest.java
@@ -1,39 +1,22 @@
 package org.onlab.onos.provider.of.host.impl;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-
-import java.util.Set;
-
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.onlab.onos.net.ConnectPoint;
-import org.onlab.onos.net.DeviceId;
 import org.onlab.onos.net.HostId;
-import org.onlab.onos.net.Link;
-import org.onlab.onos.net.Path;
 import org.onlab.onos.net.host.HostDescription;
 import org.onlab.onos.net.host.HostProvider;
 import org.onlab.onos.net.host.HostProviderRegistry;
 import org.onlab.onos.net.host.HostProviderService;
 import org.onlab.onos.net.provider.AbstractProviderService;
 import org.onlab.onos.net.provider.ProviderId;
-import org.onlab.onos.net.topology.ClusterId;
-import org.onlab.onos.net.topology.LinkWeight;
 import org.onlab.onos.net.topology.Topology;
-import org.onlab.onos.net.topology.TopologyCluster;
-import org.onlab.onos.net.topology.TopologyGraph;
-import org.onlab.onos.net.topology.TopologyListener;
-import org.onlab.onos.net.topology.TopologyService;
+import org.onlab.onos.net.topology.TopologyServiceAdapter;
 import org.onlab.onos.of.controller.Dpid;
-import org.onlab.onos.of.controller.OpenFlowController;
 import org.onlab.onos.of.controller.OpenFlowPacketContext;
-import org.onlab.onos.of.controller.OpenFlowSwitch;
-import org.onlab.onos.of.controller.OpenFlowSwitchListener;
+import org.onlab.onos.of.controller.OpenflowControllerAdapter;
 import org.onlab.onos.of.controller.PacketListener;
-import org.onlab.onos.of.controller.RoleState;
 import org.onlab.packet.ARP;
 import org.onlab.packet.Ethernet;
 import org.onlab.packet.MACAddress;
@@ -41,6 +24,10 @@
 import org.projectfloodlight.openflow.protocol.OFMessage;
 import org.projectfloodlight.openflow.types.OFPort;
 
+import java.util.Set;
+
+import static org.junit.Assert.*;
+
 public class OpenFlowHostProviderTest {
 
     private static final Integer INPORT = 10;
@@ -51,7 +38,7 @@
     private static final VLANID VLAN = VLANID.vlanId();
     private static final MACAddress MAC = MACAddress.valueOf("00:00:11:00:00:01");
     private static final MACAddress BCMAC = MACAddress.valueOf("ff:ff:ff:ff:ff:ff");
-    private static byte [] IP = new byte [] { 10,0,0,1 };
+    private static final byte[] IP = new byte[]{10, 0, 0, 1};
 
     private OpenFlowHostProvider provider = new OpenFlowHostProvider();
     private TestHostRegistry hostService = new TestHostRegistry();
@@ -145,148 +132,31 @@
 
     }
 
-    private class TestController implements OpenFlowController {
-
+    private class TestController extends OpenflowControllerAdapter {
         PacketListener pktListener;
 
         @Override
-        public Iterable<OpenFlowSwitch> getSwitches() {
-            return null;
-        }
-
-        @Override
-        public Iterable<OpenFlowSwitch> getMasterSwitches() {
-            return null;
-        }
-
-        @Override
-        public Iterable<OpenFlowSwitch> getEqualSwitches() {
-            return null;
-        }
-
-        @Override
-        public OpenFlowSwitch getSwitch(Dpid dpid) {
-            return null;
-        }
-
-        @Override
-        public OpenFlowSwitch getMasterSwitch(Dpid dpid) {
-            return null;
-        }
-
-        @Override
-        public OpenFlowSwitch getEqualSwitch(Dpid dpid) {
-            return null;
-        }
-
-        @Override
-        public void addListener(OpenFlowSwitchListener listener) {
-        }
-
-        @Override
-        public void removeListener(OpenFlowSwitchListener listener) {
-        }
-
-        @Override
         public void addPacketListener(int priority, PacketListener listener) {
             pktListener = listener;
         }
 
         @Override
-        public void removePacketListener(PacketListener listener) {
-        }
-
-        @Override
-        public void write(Dpid dpid, OFMessage msg) {
-        }
-
-        @Override
         public void processPacket(Dpid dpid, OFMessage msg) {
-            OpenFlowPacketContext ctx =
-                    new TestPacketContext(dpid);
-
+            OpenFlowPacketContext ctx = new TestPacketContext(dpid);
             pktListener.handlePacket(ctx);
         }
-
-        @Override
-        public void setRole(Dpid dpid, RoleState role) {
-        }
     }
 
-    private class TestTopologyService implements TopologyService {
-
-        @Override
-        public Topology currentTopology() {
-            return null;
-        }
-
-        @Override
-        public boolean isLatest(Topology topology) {
-            return false;
-        }
-
-        @Override
-        public TopologyGraph getGraph(Topology topology) {
-            return null;
-        }
-
-        @Override
-        public Set<TopologyCluster> getClusters(Topology topology) {
-            return null;
-        }
-
-        @Override
-        public TopologyCluster getCluster(Topology topology, ClusterId clusterId) {
-            return null;
-        }
-
-        @Override
-        public Set<DeviceId> getClusterDevices(Topology topology,
-                TopologyCluster cluster) {
-            return null;
-        }
-
-        @Override
-        public Set<Link> getClusterLinks(Topology topology,
-                TopologyCluster cluster) {
-            return null;
-        }
-
-        @Override
-        public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst) {
-            return null;
-        }
-
-        @Override
-        public Set<Path> getPaths(Topology topology, DeviceId src,
-                DeviceId dst, LinkWeight weight) {
-            return null;
-        }
-
+    private class TestTopologyService extends TopologyServiceAdapter {
         @Override
         public boolean isInfrastructure(Topology topology,
-                ConnectPoint connectPoint) {
+                                        ConnectPoint connectPoint) {
             //simulate DPID3 as an infrastructure switch
             if (Dpid.dpid(connectPoint.deviceId().uri()).equals(DPID3)) {
                 return true;
             }
             return false;
         }
-
-        @Override
-        public boolean isBroadcastPoint(Topology topology,
-                ConnectPoint connectPoint) {
-            return false;
-        }
-
-        @Override
-        public void addListener(TopologyListener listener) {
-        }
-
-        @Override
-        public void removeListener(TopologyListener listener) {
-        }
-
     }
 
     private class TestPacketContext implements OpenFlowPacketContext {
@@ -319,9 +189,9 @@
             // just things we (and serializers) need
             ARP arp = new ARP();
             arp.setSenderProtocolAddress(IP)
-                .setSenderHardwareAddress(MAC.toBytes())
-                .setTargetHardwareAddress(BCMAC.toBytes())
-                .setTargetProtocolAddress(IP);
+                    .setSenderHardwareAddress(MAC.toBytes())
+                    .setTargetHardwareAddress(BCMAC.toBytes())
+                    .setTargetProtocolAddress(IP);
 
             Ethernet eth = new Ethernet();
             eth.setEtherType(Ethernet.TYPE_ARP)
diff --git a/providers/of/pom.xml b/providers/of/pom.xml
index d8677d9..30a5c16 100644
--- a/providers/of/pom.xml
+++ b/providers/of/pom.xml
@@ -29,6 +29,19 @@
             <groupId>org.onlab.onos</groupId>
             <artifactId>onos-of-api</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.onlab.onos</groupId>
+            <artifactId>onos-of-api</artifactId>
+            <classifier>tests</classifier>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.onlab.onos</groupId>
+            <artifactId>onos-api</artifactId>
+            <classifier>tests</classifier>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
 </project>