[AETHER-76] Complete T3 offline mode
- For the performance improvement, T3 offline mode uses snapshots of the network states
called Network Information Base (NIB) instead of runtime interactions with ONOS core
during troubleshooting a Trellis system.
- Enables NIB to be manually filled with the followings via T3-load commands.
- Static dump files of onos-diagnostics (t3-load-file).
- Returns of API calls to live ONOS stores (t3-load-snapshot).
- Enables NIB to be auto-filled with live ONOS stores.
- When T3-execution commands (e.g. pingall) found NIB is invalid.
- Partially tested with some mininet topos for Trellis
(https://github.com/opennetworkinglab/routing/tree/master/trellis).
- Usage instruction docs (https://docs.trellisfabric.org/troubleshooting.html).
Change-Id: I2bb546bdde454a034338cd896388fa0b37d868be
(cherry picked from commit c3803e7fad5fb28ecf3e83253f183a34936be4a0)
diff --git a/app/src/main/java/org/onosproject/t3/api/AbstractNib.java b/app/src/main/java/org/onosproject/t3/api/AbstractNib.java
new file mode 100644
index 0000000..652c974
--- /dev/null
+++ b/app/src/main/java/org/onosproject/t3/api/AbstractNib.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2020-present Open Networking Foundation
+ *
+ * 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.t3.api;
+
+/**
+ * Base abstraction of Network Information Base (NIB).
+ */
+public abstract class AbstractNib {
+
+ protected NibProfile nibProfile;
+
+ /**
+ * Sets a profile describing this NIB.
+ *
+ * @param nibProfile NIB profile
+ */
+ public void setProfile(NibProfile nibProfile) {
+ this.nibProfile = nibProfile;
+ }
+
+ /**
+ * Returns the current profile of this NIB.
+ *
+ * @return NIB profile
+ */
+ public NibProfile getProfile() {
+ return nibProfile;
+ }
+
+ /**
+ * Checks this NIB is valid.
+ *
+ * @return true (valid) only if this NIB is already filled with any source. false means invalid
+ */
+ public boolean isValid() {
+ if (nibProfile != null) {
+ return nibProfile.isValid();
+ } else {
+ return false;
+ }
+ }
+
+}