[Emu][onos-2590] BGP SBI global and peer configuration

Change-Id: I02a60aad06226125a1da9d4e7ada18e07942c0e6
diff --git a/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BGPConfig.java b/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BGPConfig.java
new file mode 100755
index 0000000..56877a1
--- /dev/null
+++ b/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BGPConfig.java
@@ -0,0 +1,344 @@
+/*
+ * 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.bgp.controller.impl;
+
+import java.util.Iterator;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.TreeMap;
+
+import org.onlab.packet.Ip4Address;
+import org.onosproject.bgp.controller.BGPCfg;
+import org.onosproject.bgp.controller.BGPPeerCfg;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Provides BGP configuration of this BGP speaker.
+ */
+public class BGPConfig implements BGPCfg {
+
+    protected static final Logger log = LoggerFactory.getLogger(BGPConfig.class);
+
+    private static final short DEFAULT_HOLD_TIMER = 120;
+    private static final short DEFAULT_CONN_RETRY_TIME = 120;
+    private static final short DEFAULT_CONN_RETRY_COUNT = 5;
+
+    private State state = State.INIT;
+    private int localAs;
+    private int maxSession;
+    private boolean lsCapability;
+    private short holdTime;
+    private boolean largeAs = false;
+    private int maxConnRetryTime;
+    private int maxConnRetryCount;
+
+    private Ip4Address routerId = null;
+    private TreeMap<String, BGPPeerCfg> bgpPeerTree = new TreeMap<>();
+
+    /**
+     * Constructor to initialize the values.
+     */
+    public BGPConfig() {
+
+        this.holdTime = DEFAULT_HOLD_TIMER;
+        this.maxConnRetryTime = DEFAULT_CONN_RETRY_TIME;
+        this.maxConnRetryCount = DEFAULT_CONN_RETRY_COUNT;
+    }
+
+    @Override
+    public State getState() {
+        return state;
+    }
+
+    @Override
+    public void setState(State state) {
+        this.state = state;
+    }
+
+    @Override
+    public int getAsNumber() {
+        return this.localAs;
+    }
+
+    @Override
+    public void setAsNumber(int localAs) {
+
+        State localState = getState();
+        this.localAs = localAs;
+
+        /* Set configuration state */
+        if (localState == State.IP_CONFIGURED) {
+            setState(State.IP_AS_CONFIGURED);
+        } else {
+            setState(State.AS_CONFIGURED);
+        }
+    }
+
+    @Override
+    public int getMaxSession() {
+        return this.maxSession;
+    }
+
+    @Override
+    public void setMaxSession(int maxSession) {
+        this.maxSession = maxSession;
+    }
+
+    @Override
+    public boolean getLsCapability() {
+        return this.lsCapability;
+    }
+
+    @Override
+    public void setLsCapability(boolean lsCapability) {
+        this.lsCapability = lsCapability;
+    }
+
+    @Override
+    public String getRouterId() {
+        if (this.routerId != null) {
+            return this.routerId.toString();
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public void setRouterId(String routerId) {
+        State localState = getState();
+        this.routerId = Ip4Address.valueOf(routerId);
+
+        /* Set configuration state */
+        if (localState == State.AS_CONFIGURED) {
+            setState(State.IP_AS_CONFIGURED);
+        } else {
+            setState(State.IP_CONFIGURED);
+        }
+    }
+
+    @Override
+    public boolean addPeer(String routerid, int remoteAs) {
+        return addPeer(routerid, remoteAs, DEFAULT_HOLD_TIMER);
+    }
+
+    @Override
+    public boolean addPeer(String routerid, short holdTime) {
+        return addPeer(routerid, this.getAsNumber(), holdTime);
+    }
+
+    @Override
+    public boolean addPeer(String routerid, int remoteAs, short holdTime) {
+        BGPPeerConfig lspeer = new BGPPeerConfig();
+        if (this.bgpPeerTree.get(routerid) == null) {
+
+            lspeer.setPeerRouterId(routerid);
+            lspeer.setAsNumber(remoteAs);
+            lspeer.setHoldtime(holdTime);
+            lspeer.setState(BGPPeerCfg.State.IDLE);
+            lspeer.setSelfInnitConnection(false);
+
+            if (this.getAsNumber() == remoteAs) {
+                lspeer.setIsIBgp(true);
+            } else {
+                lspeer.setIsIBgp(false);
+            }
+
+            this.bgpPeerTree.put(routerid, lspeer);
+            log.debug("added successfully");
+            return true;
+        } else {
+            log.debug("already exists");
+            return false;
+        }
+    }
+
+    @Override
+    public boolean connectPeer(String routerid) {
+        BGPPeerCfg lspeer = this.bgpPeerTree.get(routerid);
+
+        if (lspeer != null) {
+            lspeer.setSelfInnitConnection(true);
+            // TODO: initiate peer connection
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean removePeer(String routerid) {
+        BGPPeerCfg lspeer = this.bgpPeerTree.get(routerid);
+
+        if (lspeer != null) {
+
+            //TODO DISCONNECT PEER
+            disconnectPeer(routerid);
+            lspeer.setSelfInnitConnection(false);
+            lspeer = this.bgpPeerTree.remove(routerid);
+            log.debug("Deleted : " + routerid + " successfully");
+
+            return true;
+        } else {
+            log.debug("Did not find : " + routerid);
+            return false;
+        }
+    }
+
+    @Override
+    public boolean disconnectPeer(String routerid) {
+        BGPPeerCfg lspeer = this.bgpPeerTree.get(routerid);
+
+        if (lspeer != null) {
+
+            //TODO DISCONNECT PEER
+            lspeer.setState(BGPPeerCfg.State.IDLE);
+            lspeer.setSelfInnitConnection(false);
+            log.debug("Disconnected : " + routerid + " successfully");
+
+            return true;
+        } else {
+            log.debug("Did not find : " + routerid);
+            return false;
+        }
+    }
+
+    @Override
+    public void setPeerConnState(String routerid, BGPPeerCfg.State state) {
+        BGPPeerCfg lspeer = this.bgpPeerTree.get(routerid);
+
+        if (lspeer != null) {
+            lspeer.setState(state);
+            log.debug("Peer : " + routerid + " is not available");
+
+            return;
+        } else {
+            log.debug("Did not find : " + routerid);
+            return;
+        }
+    }
+
+    @Override
+    public BGPPeerCfg.State getPeerConnState(String routerid) {
+        BGPPeerCfg lspeer = this.bgpPeerTree.get(routerid);
+
+        if (lspeer != null) {
+            return lspeer.getState();
+        } else {
+            return BGPPeerCfg.State.INVALID; //No instance
+        }
+    }
+
+    @Override
+    public boolean isPeerConnectable(String routerid) {
+        BGPPeerCfg lspeer = this.bgpPeerTree.get(routerid);
+
+        if ((lspeer != null) && lspeer.getState().equals(BGPPeerCfg.State.IDLE)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public TreeMap<String, BGPPeerCfg> getPeerTree() {
+        return this.bgpPeerTree;
+    }
+
+    @Override
+    public TreeMap<String, BGPPeerCfg> displayPeers() {
+        if (this.bgpPeerTree.isEmpty()) {
+            log.debug("There are no BGP peers");
+        } else {
+            Set<Entry<String, BGPPeerCfg>> set = this.bgpPeerTree.entrySet();
+            Iterator<Entry<String, BGPPeerCfg>> list = set.iterator();
+            BGPPeerCfg lspeer;
+
+            while (list.hasNext()) {
+                Entry<String, BGPPeerCfg> me = list.next();
+                lspeer = me.getValue();
+                log.debug("Peer neighbor IP :" + me.getKey());
+                log.debug(", AS Number : " + lspeer.getAsNumber());
+                log.debug(", Hold Timer : " + lspeer.getHoldtime());
+                log.debug(", Is iBGP : " + lspeer.getIsIBgp());
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public BGPPeerCfg displayPeers(String routerid) {
+
+        if (this.bgpPeerTree.isEmpty()) {
+            log.debug("There are no BGP peers");
+        } else {
+            return this.bgpPeerTree.get(routerid);
+        }
+        return null;
+    }
+
+    @Override
+    public void setHoldTime(short holdTime) {
+        this.holdTime = holdTime;
+    }
+
+    @Override
+    public short getHoldTime() {
+        return this.holdTime;
+    }
+
+    @Override
+    public boolean getLargeASCapability() {
+        return this.largeAs;
+    }
+
+    @Override
+    public void setLargeASCapability(boolean largeAs) {
+        this.largeAs = largeAs;
+    }
+
+    @Override
+    public boolean isPeerConfigured(String routerid) {
+        BGPPeerCfg lspeer = this.bgpPeerTree.get(routerid);
+        return (lspeer != null) ? true : false;
+    }
+
+    @Override
+    public boolean isPeerConnected(String routerid) {
+        // TODO: is peer connected
+        return true;
+    }
+
+    @Override
+    public int getMaxConnRetryCount() {
+        return this.maxConnRetryCount;
+    }
+
+    @Override
+    public void setMaxConnRetryCout(int retryCount) {
+        this.maxConnRetryCount = retryCount;
+    }
+
+    @Override
+    public int getMaxConnRetryTime() {
+        return this.maxConnRetryTime;
+    }
+
+    @Override
+    public void setMaxConnRetryTime(int retryTime) {
+        this.maxConnRetryTime = retryTime;
+    }
+}
diff --git a/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BGPPeerConfig.java b/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BGPPeerConfig.java
new file mode 100755
index 0000000..51b95a4
--- /dev/null
+++ b/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BGPPeerConfig.java
@@ -0,0 +1,109 @@
+/*
+ * 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.bgp.controller.impl;
+
+import org.onlab.packet.Ip4Address;
+import org.onosproject.bgp.controller.BGPPeerCfg;
+
+/**
+ * BGP Peer configuration information.
+ */
+public class BGPPeerConfig  implements BGPPeerCfg {
+    private int asNumber;
+    private short holdTime;
+    private boolean isIBgp;
+    private Ip4Address peerId = null;
+    private State state;
+    private boolean selfInitiated;
+
+    /**
+     * Constructor to initialize the values.
+     */
+    BGPPeerConfig() {
+        state = State.IDLE;
+        selfInitiated = false;
+    }
+
+    @Override
+    public int getAsNumber() {
+        return this.asNumber;
+    }
+
+    @Override
+    public void setAsNumber(int asNumber) {
+        this.asNumber = asNumber;
+    }
+
+    @Override
+    public short getHoldtime() {
+        return this.holdTime;
+    }
+
+    @Override
+    public void setHoldtime(short holdTime) {
+        this.holdTime = holdTime;
+    }
+
+    @Override
+    public boolean getIsIBgp() {
+        return this.isIBgp;
+    }
+
+    @Override
+    public void setIsIBgp(boolean isIBgp) {
+        this.isIBgp = isIBgp;
+    }
+
+    @Override
+    public String getPeerRouterId() {
+        if (this.peerId != null) {
+            return this.peerId.toString();
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public void setPeerRouterId(String peerId) {
+        this.peerId = Ip4Address.valueOf(peerId);
+    }
+
+    @Override
+    public void setPeerRouterId(String peerId, int asNumber) {
+        this.peerId = Ip4Address.valueOf(peerId);
+        this.asNumber = asNumber;
+    }
+
+    @Override
+    public State getState() {
+        return this.state;
+    }
+
+    @Override
+    public void setState(State state) {
+        this.state = state;
+    }
+
+    @Override
+    public boolean getSelfInnitConnection() {
+        return this.selfInitiated;
+    }
+
+    @Override
+    public void setSelfInnitConnection(boolean selfInit) {
+        this.selfInitiated = selfInit;
+    }
+}
diff --git a/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/package-info.java b/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/package-info.java
new file mode 100755
index 0000000..fd4e950
--- /dev/null
+++ b/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+/**
+ * Implementation of the BGP controller IO subsystem.
+ */
+package org.onosproject.bgp.controller.impl;