ioam: Reader/Initializer for POT plugin

- reader/initializer for pot
- pot read call in postman collection

Change-Id: I1e8f80449897c1ee5289f39eb7d75acb351eb255
Signed-off-by: Sagar Srivastav <sagsriva@cisco.com>

3 files changed, 150 insertions, 3 deletions

diff --git a/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/config/IoamPotWriterCustomizer.java b/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/config/IoamPotWriterCustomizer.java
index 6d80493a3..c5868decf 100644
--- a/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/config/IoamPotWriterCustomizer.java
+++ b/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/config/IoamPotWriterCustomizer.java
@@ -26,6 +26,7 @@ import io.fd.vpp.jvpp.ioampot.dto.PotProfileAddReply;
 import io.fd.vpp.jvpp.ioampot.dto.PotProfileDel;
 import io.fd.vpp.jvpp.ioampot.dto.PotProfileDelReply;
 import io.fd.vpp.jvpp.ioampot.future.FutureJVppIoampot;
+import java.math.BigInteger;
 import java.nio.charset.StandardCharsets;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.pot.profile.PotProfileList;
@@ -125,11 +126,10 @@ public class IoamPotWriterCustomizer extends FutureJVppIoampotCustomizer impleme
         PotProfileAdd request = new PotProfileAdd();
             request.id = potProfileList.getIndex().getValue().byteValue();
             request.validator = (byte) (potProfileList.isValidator() ? 1 : 0);
-            request.secretKey = 1;
             request.secretShare = potProfileList.getSecretShare().longValue();
             request.prime = potProfileList.getPrimeNumber().longValue();
             request.secretKey = potProfileList.getValidatorKey().longValue();
-            request.maxBits = 64;
+            request.maxBits = getMaxBitsfromBitmask(potProfileList.getBitmask());
             request.lpc = potProfileList.getLpc().longValue();
             request.polynomialPublic = potProfileList.getPublicPolynomial().longValue();
             request.listNameLen = (byte) name.getBytes(StandardCharsets.UTF_8).length;
@@ -146,4 +146,13 @@ public class IoamPotWriterCustomizer extends FutureJVppIoampotCustomizer impleme
 
         return getReplyForWrite(getFutureJVppIoampot().potProfileDel(request).toCompletableFuture(),id);
     }
+
+    static byte getMaxBitsfromBitmask(BigInteger bitmask){
+        byte numOfBits = 0;
+        while ((bitmask.and(BigInteger.ONE)).equals(BigInteger.ONE)){
+            bitmask=bitmask.shiftRight(1);
+            numOfBits++;
+        }
+        return numOfBits;
+    }
 }
diff --git a/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/oper/PotProfileReaderCustomizer.java b/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/oper/PotProfileReaderCustomizer.java
new file mode 100644
index 000000000..43a589c35
--- /dev/null
+++ b/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/oper/PotProfileReaderCustomizer.java
@@ -0,0 +1,115 @@
+/*
+ * 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.vppioam.impl.oper;
+
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.hc2vpp.vppioam.impl.util.FutureJVppIoampotCustomizer;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
+import io.fd.vpp.jvpp.ioampot.dto.PotProfileShowConfigDetails;
+import io.fd.vpp.jvpp.ioampot.dto.PotProfileShowConfigDetailsReplyDump;
+import io.fd.vpp.jvpp.ioampot.dto.PotProfileShowConfigDump;
+import io.fd.vpp.jvpp.ioampot.future.FutureJVppIoampot;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.ProfileIndexRange;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.pot.profile.PotProfileList;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.pot.profile.PotProfileListBuilder;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.pot.profile.PotProfileListKey;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.pot.profiles.PotProfileSetBuilder;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class PotProfileReaderCustomizer extends FutureJVppIoampotCustomizer implements JvppReplyConsumer,
+        InitializingListReaderCustomizer<PotProfileList,PotProfileListKey,PotProfileListBuilder> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(PotProfileReaderCustomizer.class);
+
+    public PotProfileReaderCustomizer(FutureJVppIoampot futureJVppIoampot){
+        super(futureJVppIoampot);
+    }
+
+    @Nonnull
+    @Override
+    public Initialized<? extends DataObject> init(@Nonnull final InstanceIdentifier<PotProfileList> instanceIdentifier,
+                                                  @Nonnull final PotProfileList potProfileList,
+                                                  @Nonnull final ReadContext readContext) {
+        return Initialized.create(instanceIdentifier,new PotProfileListBuilder(potProfileList).build());
+    }
+
+    @Nonnull
+    @Override
+    public List<PotProfileListKey> getAllIds(@Nonnull final InstanceIdentifier<PotProfileList> instanceIdentifier,
+                                             @Nonnull final ReadContext readContext) throws ReadFailedException {
+
+        //vpp will always return 2 entries with id's 0 and 1
+        //will contain 0 values if not previously configured
+
+        List<PotProfileListKey> allIds = new ArrayList<>(2);
+        allIds.add(new PotProfileListKey(new ProfileIndexRange(0)));
+        allIds.add(new PotProfileListKey(new ProfileIndexRange(1)));
+        return allIds;
+    }
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final List<PotProfileList> list) {
+        ((PotProfileSetBuilder)builder).setPotProfileList(list);
+    }
+
+    @Nonnull
+    @Override
+    public PotProfileListBuilder getBuilder(@Nonnull final InstanceIdentifier<PotProfileList> instanceIdentifier) {
+        return new PotProfileListBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<PotProfileList> instanceIdentifier,
+                                      @Nonnull final PotProfileListBuilder builder,
+                                      @Nonnull final ReadContext readContext) throws ReadFailedException {
+        final PotProfileShowConfigDump request = new PotProfileShowConfigDump();
+        PotProfileListKey key = instanceIdentifier.firstKeyOf(PotProfileList.class);
+        request.id = key.getIndex().getValue().byteValue();
+        final PotProfileShowConfigDetailsReplyDump reply = getReplyForRead(getFutureJVppIoampot()
+                .potProfileShowConfigDump(request)
+                .toCompletableFuture(), instanceIdentifier);
+
+        if (reply == null || reply.potProfileShowConfigDetails == null || reply.potProfileShowConfigDetails.isEmpty()) {
+            LOG.debug("Vpp returned no pot profiles");
+            return;
+        }
+
+        final PotProfileShowConfigDetails details = reply.potProfileShowConfigDetails.get(0);
+
+        builder.setValidator(details.validator==1);
+        builder.setValidatorKey(BigInteger.valueOf(details.secretKey));
+        builder.setSecretShare(BigInteger.valueOf(details.secretShare));
+        builder.setPrimeNumber(BigInteger.valueOf(details.prime));
+        builder.setPublicPolynomial(BigInteger.valueOf(details.polynomialPublic));
+        builder.setIndex(new ProfileIndexRange((int)details.id));
+        builder.setLpc(BigInteger.valueOf(details.lpc));
+        builder.setBitmask(BigInteger.valueOf(details.bitMask));
+
+        LOG.info("Item {} successfully read: {}",instanceIdentifier,builder.build());
+    }
+}
diff --git a/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/oper/VppIoamReaderFactory.java b/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/oper/VppIoamReaderFactory.java
index 83fd5667a..26c1a8a99 100644
--- a/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/oper/VppIoamReaderFactory.java
+++ b/ioam/impl/src/main/java/io/fd/hc2vpp/vppioam/impl/oper/VppIoamReaderFactory.java
@@ -18,22 +18,32 @@ package io.fd.hc2vpp.vppioam.impl.oper;
 import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
 import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
+import io.fd.vpp.jvpp.ioampot.future.FutureJVppIoampot;
 import io.fd.vpp.jvpp.ioamtrace.future.FutureJVppIoamtrace;
 import javax.annotation.Nonnull;
 import javax.inject.Inject;
 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.ioam.sb.trace.rev160512.IoamTraceConfig;
 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.ioam.sb.trace.rev160512.IoamTraceConfigBuilder;
 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.ioam.sb.trace.rev160512.ioam.trace.config.TraceConfig;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.PotProfiles;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.PotProfilesBuilder;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.pot.profile.PotProfileList;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.pot.profiles.PotProfileSet;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.sfc.ioam.sb.pot.rev160615.pot.profiles.PotProfileSetBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class VppIoamReaderFactory implements ReaderFactory {
 
+    @Nonnull
     FutureJVppIoamtrace jVppIoamtrace;
+    @Nonnull
+    FutureJVppIoampot jVppIoampot;
 
     @Inject
-    VppIoamReaderFactory(FutureJVppIoamtrace jVppIoamtrace){
+    VppIoamReaderFactory(FutureJVppIoamtrace jVppIoamtrace, FutureJVppIoampot jVppIoampot){
 
         this.jVppIoamtrace = jVppIoamtrace;
+        this.jVppIoampot = jVppIoampot;
     }
 
     /**
@@ -52,5 +62,18 @@ public class VppIoamReaderFactory implements ReaderFactory {
         final InstanceIdentifier<TraceConfig> traceConfigId = ioamTraceConfigId.child(TraceConfig.class);
         registry.add(new GenericInitListReader<>(traceConfigId,
                 new TraceProfileReaderCustomizer(jVppIoamtrace)));
+
+        //PotProfiles (Structural)
+        final InstanceIdentifier<PotProfiles> potProfilesInstanceIdentifier = InstanceIdentifier.create(PotProfiles.class);
+        registry.addStructuralReader(potProfilesInstanceIdentifier, PotProfilesBuilder.class);
+        //PotProfileSet (Structural)
+        final InstanceIdentifier<PotProfileSet> potProfileSetInstanceIdentifier =
+                potProfilesInstanceIdentifier.child(PotProfileSet.class);
+        registry.addStructuralReader(potProfileSetInstanceIdentifier, PotProfileSetBuilder.class);
+        //PotProfileList
+        final InstanceIdentifier<PotProfileList> potProfileListInstanceIdentifier= potProfileSetInstanceIdentifier.child(PotProfileList.class);
+        registry.add(new GenericInitListReader<>(potProfileListInstanceIdentifier,
+                new PotProfileReaderCustomizer(jVppIoampot)));
+
     }
 }