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/driver/PcepAgent.java b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/PcepAgent.java
new file mode 100644
index 0000000..42f25cc
--- /dev/null
+++ b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/PcepAgent.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2015-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.driver;
+
+import org.onosproject.pcep.server.PccId;
+import org.onosproject.pcep.server.PcepClient;
+import org.onosproject.pcepio.protocol.PcepMessage;
+
+/**
+ * Responsible for keeping track of the current set Pcep clients
+ * connected to the system.
+ *
+ */
+public interface PcepAgent {
+
+ /**
+ * Add a pcc client that has just connected to the system.
+ *
+ * @param pccId the id of pcc client to add
+ * @param pc the actual pce client object.
+ * @return true if added, false otherwise.
+ */
+ boolean addConnectedClient(PccId pccId, PcepClient pc);
+
+ /**
+ * Checks if the activation for this pcc client is valid.
+ *
+ * @param pccId the id of pcc client to check
+ * @return true if valid, false otherwise
+ */
+ boolean validActivation(PccId pccId);
+
+ /**
+ * Clear all state in controller client maps for a pcc client that has
+ * disconnected from the local controller. Also release control for
+ * that pccIds client from the global repository. Notify client listeners.
+ *
+ * @param pccIds the id of pcc client to remove.
+ */
+ void removeConnectedClient(PccId pccIds);
+
+ /**
+ * Process a message coming from a pcc client.
+ *
+ * @param pccId the id of pcc client the message was received.
+ * @param m the message to process
+ */
+ void processPcepMessage(PccId pccId, PcepMessage m);
+
+ /**
+ * Adds PCEP device when session is successfully established.
+ *
+ * @param pc PCEP client details
+ */
+ void addNode(PcepClient pc);
+
+ /**
+ * Removes PCEP device when session is disconnected.
+ *
+ * @param pccId PCEP client ID
+ */
+ void deleteNode(PccId pccId);
+
+ /**
+ * Analyzes report messages received during LSP DB sync again tunnel store and takes necessary actions.
+ *
+ * @param pccId the id of pcc client
+ * @return success or failure
+ */
+ boolean analyzeSyncMsgList(PccId pccId);
+}
diff --git a/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/PcepClientDriver.java b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/PcepClientDriver.java
new file mode 100644
index 0000000..58fc33f
--- /dev/null
+++ b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/PcepClientDriver.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2015-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.driver;
+
+import org.jboss.netty.channel.Channel;
+import org.onosproject.pcep.server.PccId;
+import org.onosproject.pcep.server.PcepClient;
+import org.onosproject.pcep.server.PcepPacketStats;
+import org.onosproject.pcepio.protocol.PcepVersion;
+
+
+/**
+ * Represents the driver side of an Path computation client(pcc).
+ *
+ */
+public interface PcepClientDriver extends PcepClient {
+
+ /**
+ * Sets the Pcep agent to be used. This method
+ * can only be called once.
+ *
+ * @param agent the agent to set.
+ */
+ void setAgent(PcepAgent agent);
+
+ /**
+ * Announce to the Pcep agent that this pcc client has connected.
+ *
+ * @return true if successful, false if duplicate switch.
+ */
+ boolean connectClient();
+
+ /**
+ * Remove this pcc client from the Pcep agent.
+ */
+ void removeConnectedClient();
+
+ /**
+ * Sets the PCEP version for this pcc.
+ *
+ * @param pcepVersion the version to set.
+ */
+ void setPcVersion(PcepVersion pcepVersion);
+
+ /**
+ * Sets the associated Netty channel for this pcc.
+ *
+ * @param channel the Netty channel
+ */
+ void setChannel(Channel channel);
+
+
+ /**
+ * Sets the keep alive time for this pcc.
+ *
+ * @param keepAliveTime the keep alive time to set.
+ */
+ void setPcKeepAliveTime(byte keepAliveTime);
+
+ /**
+ * Sets the dead time for this pcc.
+ *
+ * @param deadTime the dead timer value to set.
+ */
+ void setPcDeadTime(byte deadTime);
+
+ /**
+ * Sets the session id for this pcc.
+ *
+ * @param sessionId the session id value to set.
+ */
+ void setPcSessionId(byte sessionId);
+
+ /**
+ * Sets whether the pcc is connected.
+ *
+ * @param connected whether the pcc is connected
+ */
+ void setConnected(boolean connected);
+
+ /**
+ * Initializes the behavior.
+ *
+ * @param pccId id of pcc
+ * @param pcepVersion Pcep version
+ * @param pktStats Pcep Packet Stats
+ */
+ void init(PccId pccId, PcepVersion pcepVersion, PcepPacketStats pktStats);
+
+ /**
+ * Checks whether the handshake is complete.
+ *
+ * @return true is finished, false if not.
+ */
+ boolean isHandshakeComplete();
+
+}
diff --git a/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/PcepClientDriverFactory.java b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/PcepClientDriverFactory.java
new file mode 100644
index 0000000..46e04ff
--- /dev/null
+++ b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/PcepClientDriverFactory.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2015-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.driver;
+
+import org.onlab.packet.IpAddress;
+import org.onosproject.pcepio.protocol.PcepVersion;
+
+/**
+ * Pcc Client factory which returns concrete pcc client objects for the
+ * physical pcc client in use.
+ *
+ */
+public interface PcepClientDriverFactory {
+
+
+ /**
+ * Constructs the real Pcep Client representation.
+ *
+ * @param pccIpAddress the ip address for this pcc client.
+ * @param pcepVersion the Pcep version in use
+ * @return the Pcep client representation.
+ */
+ PcepClientDriver getPcepClientImpl(IpAddress pccIpAddress,
+ PcepVersion pcepVersion);
+}
diff --git a/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/package-info.java b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/package-info.java
new file mode 100644
index 0000000..6e542e7
--- /dev/null
+++ b/protocols/pcep/server/api/src/main/java/org/onosproject/pcep/server/driver/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2015-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.
+ */
+
+/**
+ * PCEP client controller driver API.
+ */
+package org.onosproject.pcep.server.driver;