DHCP relay support (HC2VPP-71, HC2VPP-72)

Change-Id: Icea50f1444356c0c107dd31dfa47137c9866312e
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

3 files changed, 222 insertions, 0 deletions

diff --git a/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/DhcpModuleTest.java b/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/DhcpModuleTest.java
new file mode 100644
index 000000000..998f75fb5
--- /dev/null
+++ b/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/DhcpModuleTest.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.hc2vpp.dhcp;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.not;
+import static org.hamcrest.Matchers.empty;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.MockitoAnnotations.initMocks;
+
+import com.google.inject.Guice;
+import com.google.inject.Inject;
+import com.google.inject.name.Named;
+import com.google.inject.testing.fieldbinder.Bind;
+import com.google.inject.testing.fieldbinder.BoundFieldModule;
+import io.fd.hc2vpp.dhcp.write.DhcpWriterFactory;
+import io.fd.honeycomb.translate.impl.write.registry.FlatWriterRegistryBuilder;
+import io.fd.honeycomb.translate.write.WriterFactory;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.HashSet;
+import java.util.Set;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+
+public class DhcpModuleTest {
+
+    @Named("honeycomb-context")
+    @Bind
+    @Mock
+    private DataBroker honeycombContext;
+
+    @Named("honeycomb-initializer")
+    @Bind
+    @Mock
+    private DataBroker honeycombInitializer;
+
+    @Bind
+    @Mock
+    private FutureJVppCore futureJVppCore;
+
+    @Inject
+    private Set<WriterFactory> writerFactories = new HashSet<>();
+
+    @Before
+    public void setUp() {
+        initMocks(this);
+        Guice.createInjector(new DhcpModule(), BoundFieldModule.of(this)).injectMembers(this);
+    }
+
+    @Test
+    public void testWriterFactories() throws Exception {
+        assertThat(writerFactories, is(not(empty())));
+
+        // Test registration process (all dependencies present, topological order of writers does exist, etc.)
+        final FlatWriterRegistryBuilder registryBuilder = new FlatWriterRegistryBuilder();
+        writerFactories.stream().forEach(factory -> factory.init(registryBuilder));
+        assertNotNull(registryBuilder.build());
+        assertEquals(1, writerFactories.size());
+        assertTrue(writerFactories.iterator().next() instanceof DhcpWriterFactory);
+    }
+}
diff --git a/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/helpers/SchemaContextTestHelper.java b/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/helpers/SchemaContextTestHelper.java
new file mode 100644
index 000000000..f7890b356
--- /dev/null
+++ b/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/helpers/SchemaContextTestHelper.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.hc2vpp.dhcp.helpers;
+
+import com.google.common.collect.ImmutableSet;
+import io.fd.honeycomb.test.tools.annotations.InjectablesProcessor;
+import io.fd.honeycomb.test.tools.annotations.SchemaContextProvider;
+import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
+
+public interface SchemaContextTestHelper extends InjectablesProcessor {
+
+    @SchemaContextProvider
+    default ModuleInfoBackedContext getSchemaContext() {
+        return provideSchemaContextFor(ImmutableSet.of(
+            // dhcp
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.$YangModuleInfoImpl
+                .getInstance()
+        ));
+    }
+}
diff --git a/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/write/DhcpRelayCustomizerTest.java b/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/write/DhcpRelayCustomizerTest.java
new file mode 100644
index 000000000..629c8d893
--- /dev/null
+++ b/dhcp/dhcp-impl/src/test/java/io/fd/hc2vpp/dhcp/write/DhcpRelayCustomizerTest.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.hc2vpp.dhcp.write;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import io.fd.hc2vpp.common.test.write.WriterCustomizerTest;
+import io.fd.hc2vpp.dhcp.helpers.SchemaContextTestHelper;
+import io.fd.honeycomb.test.tools.HoneycombTestRunner;
+import io.fd.honeycomb.test.tools.annotations.InjectTestData;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.DhcpProxyConfig2;
+import io.fd.vpp.jvpp.core.dto.DhcpProxyConfig2Reply;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.Dhcp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.Ipv4;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.Ipv6;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.Relays;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.Relay;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.RelayKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+@RunWith(HoneycombTestRunner.class)
+public class DhcpRelayCustomizerTest extends WriterCustomizerTest implements SchemaContextTestHelper {
+
+    private static final String RELAYS_PATH = "/dhcp:dhcp/dhcp:relays";
+    private static final InstanceIdentifier<Relays> RELAYS_IID = InstanceIdentifier.create(Dhcp.class).child(Relays.class);
+
+    private DhcpRelayCustomizer customizer;
+
+    @Override
+    protected void setUpTest() throws Exception {
+        customizer = new DhcpRelayCustomizer(api);
+        when(api.dhcpProxyConfig2(any())).thenReturn(future(new DhcpProxyConfig2Reply()));
+    }
+
+    @Test
+    public void testWrite(@InjectTestData(resourcePath = "/relay/ipv4DhcpRelay.json", id = RELAYS_PATH) Relays relays)
+        throws WriteFailedException {
+        final Relay data = relays.getRelay().get(0);
+        final int rxVrfId = 0;
+        customizer.writeCurrentAttributes(getId(rxVrfId, Ipv4.class), data, writeContext);
+        final DhcpProxyConfig2 request = new DhcpProxyConfig2();
+        request.rxVrfId = rxVrfId;
+        request.isIpv6 = 0;
+        request.isAdd = 1;
+        request.insertCircuitId = 1;
+        request.dhcpServer = new byte[]{1,2,3,4};
+        request.dhcpSrcAddress = new byte[]{5,6,7,8};
+        verify(api).dhcpProxyConfig2(request);
+    }
+
+    @Test
+    public void testUpdate(@InjectTestData(resourcePath = "/relay/ipv6DhcpRelay.json", id = RELAYS_PATH) Relays relays)
+        throws WriteFailedException {
+        final Relay data = relays.getRelay().get(0);
+        final int rxVrfId = 1;
+        customizer.updateCurrentAttributes(getId(rxVrfId, Ipv6.class), mock(Relay.class), data, writeContext);
+        final DhcpProxyConfig2 request = new DhcpProxyConfig2();
+        request.rxVrfId = rxVrfId;
+        request.serverVrfId = 2;
+        request.isIpv6 = 1;
+        request.isAdd = 1;
+        request.insertCircuitId = 1;
+        request.dhcpServer = new byte[]{0x20, 0x01, 0, 0, 0, 0, 0, 0, 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0x01};
+        request.dhcpSrcAddress = new byte[]{0x20, 0x01, 0, 0, 0, 0, 0, 0, 0 ,0 ,0 ,0 ,0 ,0 ,0 ,0x02};
+        verify(api).dhcpProxyConfig2(request);
+    }
+
+    @Test
+    public void testDelete(@InjectTestData(resourcePath = "/relay/ipv4DhcpRelay.json", id = RELAYS_PATH) Relays relays)
+        throws WriteFailedException {
+        final Relay data = relays.getRelay().get(0);
+        final int rxVrfId = 0;
+        customizer.deleteCurrentAttributes(getId(rxVrfId, Ipv4.class), data, writeContext);
+        final DhcpProxyConfig2 request = new DhcpProxyConfig2();
+        request.rxVrfId = rxVrfId;
+        request.isIpv6 = 0;
+        request.isAdd = 0;
+        request.insertCircuitId = 1;
+        request.dhcpServer = new byte[]{1,2,3,4};
+        request.dhcpSrcAddress = new byte[]{5,6,7,8};
+        verify(api).dhcpProxyConfig2(request);
+    }
+
+    private InstanceIdentifier<Relay> getId(final long rxVrfId, final Class<? extends AddressFamily> addressType) {
+        return RELAYS_IID.child(Relay.class, new RelayKey(addressType, rxVrfId));
+    }
+}
\ No newline at end of file