ONOS-2846, ONOS-2812 Reworking link discovery provider to be fully configurable and to prune links based on links rather than based on ports.
Change-Id: I0a042403baf163bebd471bffd112b28571dae75b
diff --git a/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/DiscoveryContext.java b/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/DiscoveryContext.java
new file mode 100644
index 0000000..4ea3b1b
--- /dev/null
+++ b/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/DiscoveryContext.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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 org.onosproject.provider.lldp.impl;
+
+import org.onosproject.mastership.MastershipService;
+import org.onosproject.net.link.LinkProviderService;
+import org.onosproject.net.packet.PacketService;
+
+/**
+ * Shared context for use by link discovery.
+ */
+public interface DiscoveryContext {
+
+ /**
+ * Returns the shared mastership service reference.
+ *
+ * @return mastership service
+ */
+ MastershipService mastershipService();
+
+ /**
+ * Returns the shared link provider service reference.
+ *
+ * @return link provider service
+ */
+ LinkProviderService providerService();
+
+ /**
+ * Returns the shared packet service reference.
+ *
+ * @return packet service
+ */
+ PacketService packetService();
+
+ /**
+ * Returns the probe rate in millis.
+ *
+ * @return probe rate
+ */
+ long probeRate();
+
+ /**
+ * Returns the max stale link age in millis.
+ *
+ * @return stale link age
+ */
+ long staleLinkAge();
+
+ /**
+ * Indicates whether to emit BDDP.
+ *
+ * @return true to emit BDDP
+ */
+ boolean useBDDP();
+}