1 files changed, 78 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/utils/V3poUtils.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/utils/V3poUtils.java
new file mode 100644
index 000000000..18a8103cc
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/utils/V3poUtils.java
@@ -0,0 +1,78 @@
+/*
+ * 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.honeycomb.v3po.translate.v3po.utils;
+
+import com.google.common.base.Splitter;
+import com.google.common.collect.BiMap;
+import com.google.common.collect.HashBiMap;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.EthernetCsmacd;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.SoftwareLoopback;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VxlanTunnel;
+import org.openvpp.vppjapi.vppApi;
+
+public final class V3poUtils {
+
+    // TODO move to vpp-translate-utils
+
+    public static final int RESPONSE_NOT_READY = -77;
+    public static final int RELEASE = 1;
+    public static final Splitter DOT_SPLITTER = Splitter.on('.');
+    public static final BiMap<String, Class<? extends InterfaceType>> IFC_TYPES = HashBiMap.create();
+    static {
+        V3poUtils.IFC_TYPES.put("vxlan", VxlanTunnel.class);
+        V3poUtils.IFC_TYPES.put("lo", SoftwareLoopback.class);
+        V3poUtils.IFC_TYPES.put("Ether", EthernetCsmacd.class);
+        // TODO missing types below
+//        V3poUtils.IFC_TYPES.put("l2tpv3_tunnel", EthernetCsmacd.class);
+//        V3poUtils.IFC_TYPES.put("tap", EthernetCsmacd.class);
+    }
+
+    private V3poUtils() {}
+
+    public static int waitForResponse(final int ctxId, final vppApi vppApi) {
+        int rv;
+        while ((rv = vppApi.getRetval(ctxId, RELEASE)) == RESPONSE_NOT_READY) {
+            // TODO limit attempts
+        }
+        return rv;
+    }
+
+    public static int parseIp(final String address) {
+        int result = 0;
+
+        // iterate over each octet
+        for (String part : DOT_SPLITTER.split(address)) {
+            // shift the previously parsed bits over by 1 byte
+            result = result << 8;
+            // set the low order bits to the current octet
+            result |= Integer.parseInt(part);
+        }
+        return result;
+    }
+
+    public static byte[] ipv4AddressNoZoneToArray(final Ipv4AddressNoZone ipv4Addr) {
+        byte[] retval = new byte[4];
+        String[] dots = ipv4Addr.getValue().split("\\.");
+
+        for (int d = 3; d >= 0; d--) {
+            retval[d] = (byte) (Short.parseShort(dots[3 - d]) & 0xff);
+        }
+        return retval;
+    }
+}