Merge "Renaming ovsdb-managed-node-augmentation to ovsdb-bridge-augmentation."
[ovsdb.git] / southbound / southbound-impl / src / main / java / org / opendaylight / ovsdb / southbound / OvsdbConnectionManager.java
index 6cd8c133f281a992bb2e50729402cb3f593e31ca..7946d03404e09851d3afa2395b1ecbd5c0a6cac0 100644 (file)
@@ -13,47 +13,53 @@ import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
 import org.opendaylight.ovsdb.lib.OvsdbClient;
 import org.opendaylight.ovsdb.lib.OvsdbConnectionListener;
 import org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService;
+import org.opendaylight.ovsdb.southbound.transactions.md.OvsdbNodeRemoveCommand;
+import org.opendaylight.ovsdb.southbound.transactions.md.TransactionInvoker;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.overlay.rev150105.IpPortLocator;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAttributes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.CheckedFuture;
+
 public class OvsdbConnectionManager implements OvsdbConnectionListener, AutoCloseable {
-    Map<OVSDBClientKey,OvsdbClient> clients = new ConcurrentHashMap<OVSDBClientKey,OvsdbClient>();
+    Map<OvsdbClientKey,OvsdbConnectionInstance> clients = new ConcurrentHashMap<OvsdbClientKey,OvsdbConnectionInstance>();
     private static final Logger LOG = LoggerFactory.getLogger(OvsdbConnectionManager.class);
 
-    DataBroker db;
+    private DataBroker db;
+    private TransactionInvoker txInvoker;
 
-    public OvsdbConnectionManager(DataBroker db) {
+    public OvsdbConnectionManager(DataBroker db,TransactionInvoker txInvoker) {
         this.db = db;
+        this.txInvoker = txInvoker;
     }
 
     @Override
-    public void connected(OvsdbClient client) {
-        LOG.info("OVSDB Connection from {}:{}",client.getConnectionInfo().getRemoteAddress(),
-                client.getConnectionInfo().getRemotePort());
-        OVSDBClientKey key = new OVSDBClientKey(client);
+    public void connected(final OvsdbClient externalClient) {
+        LOG.info("OVSDB Connection from {}:{}",externalClient.getConnectionInfo().getRemoteAddress(),
+                externalClient.getConnectionInfo().getRemotePort());
+        OvsdbClientKey key = new OvsdbClientKey(externalClient);
+        OvsdbConnectionInstance client = new OvsdbConnectionInstance(key,externalClient,txInvoker);
         clients.put(key, client);
-        WriteTransaction transaction = db.newWriteOnlyTransaction();
-        transaction.put(LogicalDatastoreType.OPERATIONAL, key.toInstanceIndentifier(),
-                SouthboundMapper.createNode(client));
-        // TODO - Check the future and retry if needed
-        transaction.submit();
     }
 
     @Override
     public void disconnected(OvsdbClient client) {
         LOG.info("OVSDB Disconnect from {}:{}",client.getConnectionInfo().getRemoteAddress(),
                 client.getConnectionInfo().getRemotePort());
-        OVSDBClientKey key = new OVSDBClientKey(client);
-        WriteTransaction transaction = db.newWriteOnlyTransaction();
-        transaction.delete(LogicalDatastoreType.OPERATIONAL, key.toInstanceIndentifier());
-        // TODO - Check the future and retry if needed
-        transaction.submit();
+        OvsdbClientKey key = new OvsdbClientKey(client);
+        txInvoker.invoke(new OvsdbNodeRemoveCommand(key,null,null));
         clients.remove(key);
     }
 
@@ -62,12 +68,18 @@ public class OvsdbConnectionManager implements OvsdbConnectionListener, AutoClos
         // TODO use transaction chains to handle ordering issues between disconnected and connected when writing to the operational store
         InetAddress ip = SouthboundMapper.createInetAddress(ovsdbNode.getIp());
         OvsdbClient client = OvsdbConnectionService.getService().connect(ip, ovsdbNode.getPort().getValue().intValue());
-        OVSDBClientKey key = new OVSDBClientKey(client);
-        clients.put(key, client);
         connected(client); // For connections from the controller to the ovs instance, the library doesn't call this method for us
         return client;
     }
 
+    public void disconnect(OvsdbNodeAugmentation ovsdbNode) throws UnknownHostException {
+        OvsdbClientKey key = new OvsdbClientKey(ovsdbNode.getIp(), ovsdbNode.getPort());
+        OvsdbClient client = clients.get(key);
+        if (client != null) {
+            client.disconnect();
+        }
+    }
+
     @Override
     public void close() throws Exception {
         for(OvsdbClient client: clients.values()) {
@@ -75,5 +87,73 @@ public class OvsdbConnectionManager implements OvsdbConnectionListener, AutoClos
         }
     }
 
+    public OvsdbConnectionInstance getConnectionInstance(OvsdbClientKey key) {
+        return clients.get(key);
+    }
+
+    public OvsdbConnectionInstance getConnectionInstance(IpPortLocator loc) {
+        Preconditions.checkNotNull(loc);
+        return getConnectionInstance(new OvsdbClientKey(loc));
+    }
+
+    public OvsdbConnectionInstance getConnectionInstance(OvsdbBridgeAttributes mn) {
+        Preconditions.checkNotNull(mn);
+        try {
+            OvsdbNodeRef ref = mn.getManagedBy();
+            if(ref != null) {
+                ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
+                CheckedFuture<?, ReadFailedException> nf = transaction.read(LogicalDatastoreType.OPERATIONAL, ref.getValue());
+                transaction.close();
+                Object obj = nf.get();
+                if(obj instanceof Node) {
+                    OvsdbNodeAugmentation ovsdbNode = ((Node)obj).getAugmentation(OvsdbNodeAugmentation.class);
+                    if(ovsdbNode !=null) {
+                        return getConnectionInstance(ovsdbNode);
+                    } else {
+                        LOG.warn("OvsdbManagedNode {} claims to be managed by {} but that OvsdbNode does not exist",mn,ref.getValue());
+                        return null;
+                    }
+                } else {
+                    LOG.warn("Mysteriously got back a thing which is *not* a topology Node: {}",obj);
+                    return null;
+                }
+            } else {
+                LOG.warn("Cannot find client for OvsdbManagedNode without a specified ManagedBy {}",mn);
+                return null;
+            }
+         } catch (Exception e) {
+             LOG.warn("Failed to get OvsdbNode that manages OvsdbManagedNode {}",mn, e);
+             return null;
+         }
+    }
+
+    public OvsdbConnectionInstance getConnectionInstance(Node node) {
+        Preconditions.checkNotNull(node);
+        OvsdbNodeAugmentation ovsdbNode = node.getAugmentation(OvsdbNodeAugmentation.class);
+        OvsdbBridgeAugmentation ovsdbManagedNode = node.getAugmentation(OvsdbBridgeAugmentation.class);
+        if(ovsdbNode != null) {
+            return getConnectionInstance(ovsdbNode);
+        } else if (ovsdbManagedNode != null) {
+            return getConnectionInstance(ovsdbManagedNode);
+        } else {
+            LOG.warn("This is not a node that gives any hint how to find its OVSDB Manager: {}",node);
+            return null;
+        }
+    }
+
+    public OvsdbClient getClient(OvsdbClientKey key) {
+        return getConnectionInstance(key);
+    }
 
+    public OvsdbClient getClient(IpPortLocator loc) {
+        return getConnectionInstance(loc);
+    }
+
+    public OvsdbClient getClient(OvsdbBridgeAttributes mn) {
+        return getConnectionInstance(mn);
+    }
+
+    public OvsdbClient getClient(Node node) {
+        return getConnectionInstance(node);
+    }
 }