PCEP Protocol code restructured to move under PCEP Server code for more readability. Later Client code can be added under client folder.
Change-Id: Ie79599a170d94d8e0a00e0d034b083b3894199ee
diff --git a/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/PcepLspStatus.java b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/PcepLspStatus.java
new file mode 100644
index 0000000..9ced00a
--- /dev/null
+++ b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/PcepLspStatus.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2016-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.pcep.server;
+
+import org.onosproject.incubator.net.tunnel.Tunnel.State;
+
+/**
+ * Representation of the PCEP LSP state.
+ */
+public enum PcepLspStatus {
+
+ /**
+ * Signifies that the LSP is not active.
+ */
+ DOWN,
+
+ /**
+ * Signifies that the LSP is signalled.
+ */
+ UP,
+
+ /**
+ * Signifies that the LSP is up and carrying traffic.
+ */
+ ACTIVE,
+
+ /**
+ * Signifies that the LSP is being torn down, resources are being released.
+ */
+ GOING_DOWN,
+
+ /**
+ * Signifies that the LSP is being signalled.
+ */
+ GOING_UP;
+
+ /**
+ * Returns the applicable PCEP LSP status corresponding to ONOS tunnel state.
+ *
+ * @param tunnelState ONOS tunnel state
+ * @return LSP status as per protocol
+ */
+ public static PcepLspStatus getLspStatusFromTunnelStatus(State tunnelState) {
+
+ switch (tunnelState) {
+
+ case INIT:
+ return PcepLspStatus.DOWN;
+
+ case ESTABLISHED:
+ return PcepLspStatus.GOING_UP;
+
+ case ACTIVE:
+ return PcepLspStatus.UP;
+
+ case FAILED: // fall through
+ case INACTIVE: // LSP is administratively down.
+ default:
+ return PcepLspStatus.DOWN;
+ }
+ }
+
+ /**
+ * Returns the applicable ONOS tunnel state corresponding to PCEP LSP status.
+ *
+ * @param lspState PCEP LSP status
+ * @return tunnel state
+ */
+ public static State getTunnelStatusFromLspStatus(PcepLspStatus lspState) {
+
+ switch (lspState) {
+
+ case DOWN:
+ return State.FAILED;
+
+ case UP: // fall through
+ case ACTIVE:
+ return State.ACTIVE;
+
+ case GOING_DOWN:
+ return State.FAILED;
+
+ case GOING_UP:
+ return State.ESTABLISHED;
+
+ default:
+ return State.FAILED;
+ }
+ }
+}