Introduced neutron-mapper

[groupbasedpolicy.git] / neutron-mapper / src / main / java / org / opendaylight / groupbasedpolicy / neutron / mapper / util / MappingUtils.java

diff --git a/neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/util/MappingUtils.java b/neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/util/MappingUtils.java
new file mode 100644 (file)
index 0000000..0f26982
--- /dev/null
+++ b/neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/util/MappingUtils.java
@@ -0,0 +1,90 @@
+package org.opendaylight.groupbasedpolicy.neutron.mapper.util;
+
+import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.sf.AllowAction;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ActionName;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.EndpointGroupId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2BridgeDomainId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2FloodDomainId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L3ContextId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.L2BridgeDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.L2FloodDomain;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.L3Context;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.subject.feature.instances.ActionInstance;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.subject.feature.instances.ActionInstanceBuilder;
+
+import com.google.common.base.Optional;
+
+public final class MappingUtils {
+
+    public static final String NEUTRON_RULE__ = "neutron_rule__";
+    public static final String NEUTRON_NETWORK__ = "neutron_network__";
+    public static final String NEUTRON_ROUTER__ = "neutron_router__";
+    public static final String NEUTRON_GROUP__ = "neutron_group__";
+    public static final ActionInstance ACTION_ALLOW = new ActionInstanceBuilder().setName(
+            new ActionName(NEUTRON_RULE__ + "allow"))
+        .setActionDefinitionId(AllowAction.DEFINITION.getId())
+        .build();
+    public static final EndpointGroupId EPG_ANY_ID = new EndpointGroupId("aaaec0ce-dd5a-11e4-b9d6-1681e6b88ec1");
+    public static final EndpointGroupId EPG_DHCP_ID = new EndpointGroupId("ddd6cfe6-dfe5-11e4-8a00-1681e6b88ec1");
+    public static final EndpointGroupId EPG_ROUTER_ID = new EndpointGroupId("1118172e-cd84-4933-a35f-749f9a651de9");
+
+    private MappingUtils() {
+        throw new UnsupportedOperationException("Cannot create an instance.");
+    }
+
+    public static ForwardingCtx createForwardingContext(TenantId tenantId, L2FloodDomainId l2FdId, ReadTransaction rTx) {
+        Optional<L2FloodDomain> potentialL2Fd = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
+                IidFactory.l2FloodDomainIid(tenantId, l2FdId), rTx);
+        if (!potentialL2Fd.isPresent()) {
+            return new ForwardingCtx(null, null, null);
+        }
+        L2BridgeDomainId l2BdId = potentialL2Fd.get().getParent();
+        if (l2BdId == null) {
+            return new ForwardingCtx(potentialL2Fd.get(), null, null);
+        }
+        Optional<L2BridgeDomain> potentialL2Bd = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
+                IidFactory.l2BridgeDomainIid(tenantId, l2BdId), rTx);
+        if (!potentialL2Bd.isPresent()) {
+            return new ForwardingCtx(potentialL2Fd.get(), null, null);
+        }
+        L3ContextId l3ContextId = potentialL2Bd.get().getParent();
+        if (l3ContextId == null) {
+            return new ForwardingCtx(potentialL2Fd.get(), potentialL2Bd.get(), null);
+        }
+        Optional<L3Context> potentialL3Context = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
+                IidFactory.l3ContextIid(tenantId, l3ContextId), rTx);
+        if (!potentialL3Context.isPresent()) {
+            return new ForwardingCtx(potentialL2Fd.get(), potentialL2Bd.get(), null);
+        }
+        return new ForwardingCtx(potentialL2Fd.get(), potentialL2Bd.get(), potentialL3Context.get());
+    }
+
+    public static final class ForwardingCtx {
+
+        private final L2FloodDomain l2FloodDomain;
+        private final L2BridgeDomain l2BridgeDomain;
+        private final L3Context l3Context;
+
+        private ForwardingCtx(L2FloodDomain l2Fd, L2BridgeDomain l2Bd, L3Context l3Context) {
+            this.l2FloodDomain = l2Fd;
+            this.l2BridgeDomain = l2Bd;
+            this.l3Context = l3Context;
+        }
+
+        public L2FloodDomain getL2FloodDomain() {
+            return l2FloodDomain;
+        }
+
+        public L2BridgeDomain getL2BridgeDomain() {
+            return l2BridgeDomain;
+        }
+
+        public L3Context getL3Context() {
+            return l3Context;
+        }
+
+    }
+}