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Posted to commits@cloudstack.apache.org by mu...@apache.org on 2013/02/01 08:12:32 UTC

[2/2] git commit: refs/heads/master - bigswitch controller support

Updated Branches:
  refs/heads/master 2491ff1cf -> 736b236ea


bigswitch controller support

Reviewed-by: Chiradeep Vittal <ch...@gmail.com>

Signed-off-by: Murali Reddy <mu...@citrix.com>


Project: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/commit/736b236e
Tree: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/tree/736b236e
Diff: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/diff/736b236e

Branch: refs/heads/master
Commit: 736b236eaffc8a0252396e7ad2a5ba0ad6a909b0
Parents: 2491ff1
Author: Kanzhe Jiang <ka...@bigswitch.com>
Authored: Fri Feb 1 12:38:17 2013 +0530
Committer: Murali Reddy <mu...@citrix.com>
Committed: Fri Feb 1 12:42:04 2013 +0530

----------------------------------------------------------------------
 api/src/com/cloud/network/PhysicalNetwork.java     |    3 +-
 client/pom.xml                                     |    5 +
 client/tomcatconf/commands.properties.in           |    6 +
 client/tomcatconf/components.xml.in                |    5 +
 cloud.spec                                         |    1 +
 debian/cloud-server.install                        |    1 +
 docs/en-US/Release_Notes.xml                       |    9 +
 plugins/network-elements/bigswitch-vns/pom.xml     |   29 +
 .../cloud/agent/api/CreateVnsNetworkAnswer.java    |   28 +
 .../cloud/agent/api/CreateVnsNetworkCommand.java   |   52 ++
 .../com/cloud/agent/api/CreateVnsPortAnswer.java   |   30 +
 .../com/cloud/agent/api/CreateVnsPortCommand.java  |   65 ++
 .../cloud/agent/api/DeleteVnsNetworkAnswer.java    |   30 +
 .../cloud/agent/api/DeleteVnsNetworkCommand.java   |   41 ++
 .../com/cloud/agent/api/DeleteVnsPortAnswer.java   |   30 +
 .../com/cloud/agent/api/DeleteVnsPortCommand.java  |   48 ++
 .../agent/api/StartupBigSwitchVnsCommand.java      |   27 +
 .../com/cloud/agent/api/UpdateVnsPortAnswer.java   |   30 +
 .../com/cloud/agent/api/UpdateVnsPortCommand.java  |   58 ++
 .../api/commands/AddBigSwitchVnsDeviceCmd.java     |  110 +++
 .../api/commands/DeleteBigSwitchVnsDeviceCmd.java  |   99 +++
 .../api/commands/ListBigSwitchVnsDevicesCmd.java   |  109 +++
 .../src/com/cloud/api/commands/VnsConstants.java   |   19 +
 .../api/response/BigSwitchVnsDeviceResponse.java   |   63 ++
 .../com/cloud/network/BigSwitchVnsDeviceVO.java    |   94 +++
 .../com/cloud/network/bigswitch/Attachment.java    |   38 +
 .../cloud/network/bigswitch/BigSwitchVnsApi.java   |  330 +++++++++
 .../bigswitch/BigSwitchVnsApiException.java        |   39 +
 .../network/bigswitch/ControlClusterStatus.java    |   25 +
 .../src/com/cloud/network/bigswitch/Network.java   |   74 ++
 .../src/com/cloud/network/bigswitch/Port.java      |   56 ++
 .../src/com/cloud/network/dao/BigSwitchVnsDao.java |   32 +
 .../com/cloud/network/dao/BigSwitchVnsDaoImpl.java |   48 ++
 .../cloud/network/element/BigSwitchVnsElement.java |  543 +++++++++++++++
 .../element/BigSwitchVnsElementService.java        |   39 +
 .../network/guru/BigSwitchVnsGuestNetworkGuru.java |  261 +++++++
 .../network/resource/BigSwitchVnsResource.java     |  322 +++++++++
 .../cloud/network/bigswitch/BigSwitchApiTest.java  |  228 ++++++
 .../network/resource/BigSwitchVnsResourceTest.java |  254 +++++++
 plugins/pom.xml                                    |    1 +
 setup/db/create-schema.sql                         |   13 +
 tools/apidoc/gen_toc.py                            |    1 +
 ui/scripts/ui-custom/zoneWizard.js                 |    5 +-
 wscript_configure                                  |    2 +-
 44 files changed, 3300 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/api/src/com/cloud/network/PhysicalNetwork.java
----------------------------------------------------------------------
diff --git a/api/src/com/cloud/network/PhysicalNetwork.java b/api/src/com/cloud/network/PhysicalNetwork.java
index a495092..383b1b6 100644
--- a/api/src/com/cloud/network/PhysicalNetwork.java
+++ b/api/src/com/cloud/network/PhysicalNetwork.java
@@ -35,7 +35,8 @@ public interface PhysicalNetwork extends Identity, InternalIdentity {
         VLAN,
         L3,
         GRE,
-        STT;
+        STT,
+        VNS;
     }
 
     public enum BroadcastDomainRange {

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/client/pom.xml
----------------------------------------------------------------------
diff --git a/client/pom.xml b/client/pom.xml
index 63ec2ef..df82402 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -77,6 +77,11 @@
     </dependency>
     <dependency>
       <groupId>org.apache.cloudstack</groupId>
+      <artifactId>cloud-plugin-network-vns</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.cloudstack</groupId>
       <artifactId>cloud-plugin-hypervisor-xen</artifactId>
       <version>${project.version}</version>
     </dependency>

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/client/tomcatconf/commands.properties.in
----------------------------------------------------------------------
diff --git a/client/tomcatconf/commands.properties.in b/client/tomcatconf/commands.properties.in
index 4b0506f..d70649b 100644
--- a/client/tomcatconf/commands.properties.in
+++ b/client/tomcatconf/commands.properties.in
@@ -513,6 +513,12 @@ listNiciraNvpDeviceNetworks=1
 # Not implemented (yet)
 #configureNiciraNvpDevice=1
 
+#### bigswitch vns commands
+
+addBigSwitchVnsDevice=1
+deleteBigSwitchVnsDevice=1
+listBigSwitchVnsDevices=1
+
 #### host simulator commands
 
 configureSimulator=1

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/client/tomcatconf/components.xml.in
----------------------------------------------------------------------
diff --git a/client/tomcatconf/components.xml.in b/client/tomcatconf/components.xml.in
index e84be04..c62abe8 100755
--- a/client/tomcatconf/components.xml.in
+++ b/client/tomcatconf/components.xml.in
@@ -106,6 +106,7 @@ under the License.
             <adapter name="OvsGuestNetworkGuru" class="com.cloud.network.guru.OvsGuestNetworkGuru"/>
             <adapter name="PrivateNetworkGuru" class="com.cloud.network.guru.PrivateNetworkGuru"/>
             <adapter name="NiciraNvpGuestNetworkGuru" class="com.cloud.network.guru.NiciraNvpGuestNetworkGuru"/>
+            <adapter name="BigSwitchVnsGuestNetworkGuru" class="com.cloud.network.guru.BigSwitchVnsGuestNetworkGuru"/>
         </adapters>
         <adapters key="com.cloud.cluster.ClusterServiceAdapter">
             <adapter name="ClusterService" class="com.cloud.cluster.ClusterServiceServletAdapter"/>
@@ -166,6 +167,7 @@ under the License.
             <adapter name="SecurityGroupProvider" class="com.cloud.network.element.SecurityGroupElement"/>
             <adapter name="VpcVirtualRouter" class="com.cloud.network.element.VpcVirtualRouterElement"/>
             <adapter name="NiciraNvp" class="com.cloud.network.element.NiciraNvpElement"/>
+            <adapter name="BigSwitchVns" class="com.cloud.network.element.BigSwitchVnsElement"/>
         </adapters>
         <adapters key="com.cloud.network.element.FirewallServiceProvider">
             <adapter name="VirtualRouter" class="com.cloud.network.element.VirtualRouterElement"/>
@@ -212,6 +214,7 @@ under the License.
         </adapters>
         <adapters key="com.cloud.network.element.ConnectivityProvider">
             <adapter name="NiciraNvp" class="com.cloud.network.element.NiciraNvpElement"/>
+            <adapter name="BigSwitchVns" class="com.cloud.network.element.BigSwitchVnsElement"/>
         </adapters>
         <adapters key="com.cloud.network.element.NetworkACLServiceProvider">
             <adapter name="VpcVirtualRouter" class="com.cloud.network.element.VpcVirtualRouterElement"/>
@@ -239,12 +242,14 @@ under the License.
         <pluggableservice name="VirtualRouterElementService" key="com.cloud.network.element.VirtualRouterElementService" class="com.cloud.network.element.VirtualRouterElement"/>
         <pluggableservice name="NiciraNvpElementService" key="com.cloud.network.element.NiciraNvpElementService" class="com.cloud.network.element.NiciraNvpElement"/>
         <pluggableservice name="ApiRateLimitService" key="org.apache.cloudstack.ratelimit.ApiRateLimitService" class="org.apache.cloudstack.ratelimit.ApiRateLimitServiceImpl"/>
+        <pluggableservice name="BigSwitchVnsElementService" key="com.cloud.network.element.BigSwitchVnsElementService" class="com.cloud.network.element.BigSwitchVnsElement"/>
         <dao name="OvsTunnelInterfaceDao" class="com.cloud.network.ovs.dao.OvsTunnelInterfaceDaoImpl" singleton="false"/>
         <dao name="OvsTunnelAccountDao" class="com.cloud.network.ovs.dao.OvsTunnelNetworkDaoImpl" singleton="false"/>
         <dao name="NiciraNvpDao" class="com.cloud.network.dao.NiciraNvpDaoImpl" singleton="false"/>
         <dao name="NiciraNvpNicMappingDao" class="com.cloud.network.dao.NiciraNvpNicMappingDaoImpl" singleton="false"/>
         <dao name="NiciraNvpRouterMappingDao" class="com.cloud.network.dao.NiciraNvpRouterMappingDaoImpl" singleton="false"/>
         <dao name="ElasticLbVmMapDao" class="com.cloud.network.lb.dao.ElasticLbVmMapDaoImpl" singleton="false"/>
+        <dao name="BigSwitchVnsDao" class="com.cloud.network.dao.BigSwitchVnsDaoImpl" singleton="false"/>
     </management-server>
 
     <configuration-server class="com.cloud.server.ConfigurationServerImpl">

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/cloud.spec
----------------------------------------------------------------------
diff --git a/cloud.spec b/cloud.spec
index 9f46dd6..bde3958 100644
--- a/cloud.spec
+++ b/cloud.spec
@@ -448,6 +448,7 @@ fi
 %{_javadir}/%{name}-plugin-hypervisor-xen.jar
 %{_javadir}/%{name}-plugin-elb.jar
 %{_javadir}/%{name}-plugin-nicira-nvp.jar
+%{_javadir}/%{name}-plugin-bigswitch-vns.jar
 %config(noreplace) %{_sysconfdir}/%{name}/server/*
 %doc LICENSE
 %doc NOTICE

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/debian/cloud-server.install
----------------------------------------------------------------------
diff --git a/debian/cloud-server.install b/debian/cloud-server.install
index 9cd1eeb..f792cc2 100644
--- a/debian/cloud-server.install
+++ b/debian/cloud-server.install
@@ -24,6 +24,7 @@
 /usr/share/java/cloud-plugin-elb.jar
 /usr/share/java/cloud-plugin-ovs.jar
 /usr/share/java/cloud-plugin-nicira-nvp.jar
+/usr/share/java/cloud-plugin-bigswitch-vns.jar
 /usr/share/java/cloud-storage-allocator-random.jar
 /usr/share/java/cloud-user-authenticator-ldap.jar
 /usr/share/java/cloud-user-authenticator-md5.jar

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/docs/en-US/Release_Notes.xml
----------------------------------------------------------------------
diff --git a/docs/en-US/Release_Notes.xml b/docs/en-US/Release_Notes.xml
index c8cc686..4d1f62f 100644
--- a/docs/en-US/Release_Notes.xml
+++ b/docs/en-US/Release_Notes.xml
@@ -1291,6 +1291,15 @@ Done restarting router(s).
           appropriate calls to the Nicira NVP Controller. The plug-in has been tested with Nicira
           NVP versions 2.1.0, 2.2.0 and 2.2.1.</para>
       </section>
+      <section id="bigswitch-vns-plugin">
+        <title>The BigSwitch Controller Plugin</title>
+        <para>The BigSwitch Controller plug-in adds OpenFlow based solution for network virtualization
+          to CloudStack. The plugin supports both BigSwitch commercial controller and the opensource
+          Floodlight controller. The plugin functions as a provider for CloudStack networks and Connectivity
+          service. This service is responsible for creating Layer 2 networks supporting the networks
+          created by guests. When a tenant creates a new network, a virutal network segment will be
+          created by sending the appropriate calls to the BigSwitch Controller.</para>
+      </section>
       <section id="castor-support">
         <title>Support for CAStor Cluster</title>
         <para>CloudStack 4.0.0-incubating supports using a CAStor cluster as the back-end storage

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/pom.xml
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/pom.xml b/plugins/network-elements/bigswitch-vns/pom.xml
new file mode 100644
index 0000000..32650f3
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/pom.xml
@@ -0,0 +1,29 @@
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements. See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership. The ASF licenses this file
+  to you 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>cloud-plugin-network-vns</artifactId>
+  <name>Apache CloudStack Plugin - BigSwitch Virtual Network Segment</name>
+  <parent>
+    <groupId>org.apache.cloudstack</groupId>
+    <artifactId>cloudstack-plugins</artifactId>
+    <version>4.1.0-SNAPSHOT</version>
+    <relativePath>../../pom.xml</relativePath>
+  </parent>
+</project>

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsNetworkAnswer.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsNetworkAnswer.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsNetworkAnswer.java
new file mode 100644
index 0000000..e950abe
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsNetworkAnswer.java
@@ -0,0 +1,28 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class CreateVnsNetworkAnswer extends Answer {
+
+    public CreateVnsNetworkAnswer(Command command, boolean success, String details) {
+        super(command, success, details);
+    }
+
+    public CreateVnsNetworkAnswer(Command command, Exception e) {
+        super(command, e);
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsNetworkCommand.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsNetworkCommand.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsNetworkCommand.java
new file mode 100644
index 0000000..df98328
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsNetworkCommand.java
@@ -0,0 +1,52 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class CreateVnsNetworkCommand extends Command {
+    private String _networkUuid;
+    private String _name;
+    private String _tenantUuid;
+    private int _vlan;
+
+    public CreateVnsNetworkCommand(String networkUuid, String name, String tenantUuid, int vlan) {
+	this._networkUuid = networkUuid;
+        this._name = name;
+        this._tenantUuid = tenantUuid;
+        this._vlan = vlan;
+    }
+
+    @Override
+    public boolean executeInSequence() {
+        return false;
+    }
+
+    public String getNetworkUuid() {
+	return _networkUuid;
+    }
+
+    public String getName() {
+        return _name;
+    }
+
+    public String getTenantUuid() {
+        return _tenantUuid;
+    }
+
+    public int getVlan() {
+        return _vlan;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsPortAnswer.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsPortAnswer.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsPortAnswer.java
new file mode 100644
index 0000000..e88c7b5
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsPortAnswer.java
@@ -0,0 +1,30 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class CreateVnsPortAnswer extends Answer {
+
+    public CreateVnsPortAnswer(Command command, boolean success,
+            String details) {
+        super(command, success, details);
+    }
+
+    public CreateVnsPortAnswer(Command command, Exception e) {
+        super(command, e);
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsPortCommand.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsPortCommand.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsPortCommand.java
new file mode 100644
index 0000000..a4a3a04
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/CreateVnsPortCommand.java
@@ -0,0 +1,65 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class CreateVnsPortCommand extends Command {
+    private String _networkUuid;
+    private String _portUuid;
+    private String _tenantUuid;
+    private String _portName;
+    private String _mac;
+
+    public CreateVnsPortCommand(String networkUuid, String portUuid,
+                                String tenantUuid, String portName, String mac) {
+        this._networkUuid = networkUuid;
+        this._portUuid = portUuid;
+        this._tenantUuid = tenantUuid;
+        this._portName = portName;
+        this._mac = mac;
+    }
+
+
+    public String getNetworkUuid() {
+        return _networkUuid;
+    }
+
+
+    public String getPortUuid() {
+        return _portUuid;
+    }
+
+
+    public String getTenantUuid() {
+        return _tenantUuid;
+    }
+
+
+    public String getPortName() {
+        return _portName;
+    }
+
+
+    public String getMac() {
+        return _mac;
+    }
+
+    @Override
+    public boolean executeInSequence() {
+        return false;
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsNetworkAnswer.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsNetworkAnswer.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsNetworkAnswer.java
new file mode 100644
index 0000000..498180c
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsNetworkAnswer.java
@@ -0,0 +1,30 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class DeleteVnsNetworkAnswer extends Answer {
+
+    public DeleteVnsNetworkAnswer(Command command, boolean success,
+            String details) {
+        super(command, success, details);
+    }
+
+    public DeleteVnsNetworkAnswer(Command command, Exception e) {
+        super(command, e);
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsNetworkCommand.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsNetworkCommand.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsNetworkCommand.java
new file mode 100644
index 0000000..6cf169b
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsNetworkCommand.java
@@ -0,0 +1,41 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class DeleteVnsNetworkCommand extends Command {
+
+    private String _tenantUuid;
+    private String _networkUuid;
+
+    public DeleteVnsNetworkCommand(String tenantUuid, String networkUuid) {
+        this._tenantUuid = tenantUuid;
+        this._networkUuid = networkUuid;
+    }
+
+    @Override
+    public boolean executeInSequence() {
+        return false;
+    }
+
+    public String get_tenantUuid() {
+        return _tenantUuid;
+    }
+
+    public String getNetworkUuid() {
+        return _networkUuid;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsPortAnswer.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsPortAnswer.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsPortAnswer.java
new file mode 100644
index 0000000..00c6abc
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsPortAnswer.java
@@ -0,0 +1,30 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class DeleteVnsPortAnswer extends Answer {
+
+    public DeleteVnsPortAnswer(Command command, boolean success,
+            String details) {
+        super(command, success, details);
+    }
+
+    public DeleteVnsPortAnswer(Command command, Exception e) {
+        super(command, e);
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsPortCommand.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsPortCommand.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsPortCommand.java
new file mode 100644
index 0000000..0cae01d
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/DeleteVnsPortCommand.java
@@ -0,0 +1,48 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class DeleteVnsPortCommand extends Command {
+
+    private String _networkUuid;
+    private String _portUuid;
+    private String _tenantUuid;
+
+    public DeleteVnsPortCommand(String networkUuid, String portUuid, String tenantUuid) {
+        this._networkUuid = networkUuid;
+        this._portUuid = portUuid;
+        this._tenantUuid = tenantUuid;
+    }
+
+    public String getNetworkUuid() {
+        return _networkUuid;
+    }
+
+    public String getPortUuid() {
+        return _portUuid;
+    }
+
+    public String getTenantUuid() {
+        return _tenantUuid;
+    }
+
+    @Override
+    public boolean executeInSequence() {
+        return false;
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/StartupBigSwitchVnsCommand.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/StartupBigSwitchVnsCommand.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/StartupBigSwitchVnsCommand.java
new file mode 100644
index 0000000..8310b07
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/StartupBigSwitchVnsCommand.java
@@ -0,0 +1,27 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+import com.cloud.host.Host;
+
+public class StartupBigSwitchVnsCommand extends StartupCommand {
+
+    public StartupBigSwitchVnsCommand() {
+        super(Host.Type.L2Networking);
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/UpdateVnsPortAnswer.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/UpdateVnsPortAnswer.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/UpdateVnsPortAnswer.java
new file mode 100644
index 0000000..6313d14
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/UpdateVnsPortAnswer.java
@@ -0,0 +1,30 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class UpdateVnsPortAnswer extends Answer {
+
+    public UpdateVnsPortAnswer(Command command, boolean success,
+            String details) {
+        super(command, success, details);
+    }
+
+    public UpdateVnsPortAnswer(Command command, Exception e) {
+        super(command, e);
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/UpdateVnsPortCommand.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/UpdateVnsPortCommand.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/UpdateVnsPortCommand.java
new file mode 100644
index 0000000..3492b99
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/agent/api/UpdateVnsPortCommand.java
@@ -0,0 +1,58 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.agent.api;
+
+public class UpdateVnsPortCommand extends Command {
+    private String _networkUuid;
+    private String _portUuid;
+    private String _tenantUuid;
+    private String _portName;
+
+    public UpdateVnsPortCommand(String networkUuid, String portUuid, String tenantUuid, String portName) {
+        this._networkUuid = networkUuid;
+        this._portUuid = portUuid;
+        this._tenantUuid = tenantUuid;
+        this._portName = portName;
+    }
+
+
+    public String getNetworkUuid() {
+        return _networkUuid;
+    }
+
+
+    public String getPortUuid() {
+        return _portUuid;
+    }
+
+
+    public String getTenantUuid() {
+        return _tenantUuid;
+    }
+
+
+    public String getPortName() {
+        return _portName;
+    }
+
+
+    @Override
+    public boolean executeInSequence() {
+        return false;
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/AddBigSwitchVnsDeviceCmd.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/AddBigSwitchVnsDeviceCmd.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/AddBigSwitchVnsDeviceCmd.java
new file mode 100644
index 0000000..3662a2e
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/AddBigSwitchVnsDeviceCmd.java
@@ -0,0 +1,110 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.api.commands;
+
+import org.apache.cloudstack.api.APICommand;
+import org.apache.cloudstack.api.ApiConstants;
+import org.apache.cloudstack.api.ApiErrorCode;
+import org.apache.cloudstack.api.BaseAsyncCmd;
+import org.apache.cloudstack.api.Parameter;
+import org.apache.cloudstack.api.PlugService;
+import org.apache.cloudstack.api.ServerApiException;
+import org.apache.cloudstack.api.response.PhysicalNetworkResponse;
+
+import com.cloud.api.response.BigSwitchVnsDeviceResponse;
+import com.cloud.exception.ConcurrentOperationException;
+import com.cloud.exception.InsufficientCapacityException;
+import com.cloud.exception.InvalidParameterValueException;
+import com.cloud.exception.ResourceAllocationException;
+import com.cloud.exception.ResourceUnavailableException;
+import com.cloud.network.BigSwitchVnsDeviceVO;
+import com.cloud.network.element.BigSwitchVnsElementService;
+import com.cloud.user.UserContext;
+import com.cloud.utils.exception.CloudRuntimeException;
+
+@APICommand(name = "addBigSwitchVnsDevice", responseObject=BigSwitchVnsDeviceResponse.class, description="Adds a BigSwitch VNS device")
+public class AddBigSwitchVnsDeviceCmd extends BaseAsyncCmd {
+    private static final String s_name = "addbigswitchvnsdeviceresponse";
+    @PlugService BigSwitchVnsElementService _bigswitchVnsElementService;
+
+    /////////////////////////////////////////////////////
+    //////////////// API parameters /////////////////////
+    /////////////////////////////////////////////////////
+
+    @Parameter(name=ApiConstants.PHYSICAL_NETWORK_ID, type=CommandType.UUID, entityType = PhysicalNetworkResponse.class,
+            required=true, description="the Physical Network ID")
+    private Long physicalNetworkId;
+
+    @Parameter(name=ApiConstants.HOST_NAME, type=CommandType.STRING, required=true,
+		description="Hostname of ip address of the BigSwitch VNS Controller.")
+    private String host;
+
+    /////////////////////////////////////////////////////
+    /////////////////// Accessors ///////////////////////
+    /////////////////////////////////////////////////////
+
+    public Long getPhysicalNetworkId() {
+        return physicalNetworkId;
+    }
+
+    public String getHost() {
+        return host;
+    }
+
+    /////////////////////////////////////////////////////
+    /////////////// API Implementation///////////////////
+    /////////////////////////////////////////////////////
+
+    @Override
+    public void execute() throws ResourceUnavailableException, InsufficientCapacityException, ServerApiException, ConcurrentOperationException, ResourceAllocationException {
+        try {
+            BigSwitchVnsDeviceVO bigswitchVnsDeviceVO = _bigswitchVnsElementService.addBigSwitchVnsDevice(this);
+            if (bigswitchVnsDeviceVO != null) {
+                BigSwitchVnsDeviceResponse response = _bigswitchVnsElementService.createBigSwitchVnsDeviceResponse(bigswitchVnsDeviceVO);
+                response.setObjectName("bigswitchvnsdevice");
+                response.setResponseName(getCommandName());
+                this.setResponseObject(response);
+            } else {
+                throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to add BigSwitch VNS device due to internal error.");
+            }
+        }  catch (InvalidParameterValueException invalidParamExcp) {
+            throw new ServerApiException(ApiErrorCode.PARAM_ERROR, invalidParamExcp.getMessage());
+        } catch (CloudRuntimeException runtimeExcp) {
+            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, runtimeExcp.getMessage());
+        }
+    }
+
+    @Override
+    public String getCommandName() {
+        return s_name;
+    }
+
+    @Override
+    public long getEntityOwnerId() {
+        return UserContext.current().getCaller().getId();
+    }
+
+    @Override
+    public String getEventType() {
+        return VnsConstants.EVENT_EXTERNAL_VNS_CONTROLLER_ADD;
+    }
+
+    @Override
+    public String getEventDescription() {
+        return "Adding a BigSwitch VNS Controller";
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/DeleteBigSwitchVnsDeviceCmd.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/DeleteBigSwitchVnsDeviceCmd.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/DeleteBigSwitchVnsDeviceCmd.java
new file mode 100644
index 0000000..83adb22
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/DeleteBigSwitchVnsDeviceCmd.java
@@ -0,0 +1,99 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.api.commands;
+
+
+import org.apache.cloudstack.api.APICommand;
+import org.apache.cloudstack.api.ApiErrorCode;
+import org.apache.cloudstack.api.BaseAsyncCmd;
+import org.apache.cloudstack.api.Parameter;
+import org.apache.cloudstack.api.PlugService;
+import org.apache.cloudstack.api.ServerApiException;
+import org.apache.cloudstack.api.response.SuccessResponse;
+
+import com.cloud.exception.ConcurrentOperationException;
+import com.cloud.exception.InsufficientCapacityException;
+import com.cloud.exception.InvalidParameterValueException;
+import com.cloud.exception.ResourceAllocationException;
+import com.cloud.exception.ResourceUnavailableException;
+import com.cloud.network.element.BigSwitchVnsElementService;
+import com.cloud.user.UserContext;
+import com.cloud.utils.exception.CloudRuntimeException;
+
+@APICommand(name = "deleteBigSwitchVnsDevice", responseObject=SuccessResponse.class, description=" delete a bigswitch vns device")
+public class DeleteBigSwitchVnsDeviceCmd extends BaseAsyncCmd {
+    private static final String s_name = "deletebigswitchvnsdeviceresponse";
+    @PlugService BigSwitchVnsElementService _bigswitchVnsElementService;
+
+    /////////////////////////////////////////////////////
+    //////////////// API parameters /////////////////////
+    /////////////////////////////////////////////////////
+
+    @Parameter(name=VnsConstants.BIGSWITCH_VNS_DEVICE_ID, type=CommandType.LONG, required=true, description="BigSwitch device ID")
+    private Long bigswitchVnsDeviceId;
+
+    /////////////////////////////////////////////////////
+    /////////////////// Accessors ///////////////////////
+    /////////////////////////////////////////////////////
+
+    public Long getBigSwitchVnsDeviceId() {
+        return bigswitchVnsDeviceId;
+    }
+
+    /////////////////////////////////////////////////////
+    /////////////// API Implementation///////////////////
+    /////////////////////////////////////////////////////
+
+    @Override
+    public void execute() throws ResourceUnavailableException, InsufficientCapacityException, ServerApiException, ConcurrentOperationException, ResourceAllocationException {
+        try {
+            boolean result = _bigswitchVnsElementService.deleteBigSwitchVnsDevice(this);
+            if (result) {
+                SuccessResponse response = new SuccessResponse(getCommandName());
+                response.setResponseName(getCommandName());
+                this.setResponseObject(response);
+            } else {
+                throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to delete BigSwitch device.");
+            }
+        }  catch (InvalidParameterValueException invalidParamExcp) {
+            throw new ServerApiException(ApiErrorCode.PARAM_ERROR, invalidParamExcp.getMessage());
+        } catch (CloudRuntimeException runtimeExcp) {
+            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, runtimeExcp.getMessage());
+        }
+    }
+
+    @Override
+    public String getCommandName() {
+        return s_name;
+    }
+
+    @Override
+    public long getEntityOwnerId() {
+        return UserContext.current().getCaller().getId();
+    }
+
+    @Override
+    public String getEventType() {
+        return VnsConstants.EVENT_EXTERNAL_VNS_CONTROLLER_DELETE;
+    }
+
+    @Override
+    public String getEventDescription() {
+        return "Deleting BigSwitch Vns Controller";
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/ListBigSwitchVnsDevicesCmd.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/ListBigSwitchVnsDevicesCmd.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/ListBigSwitchVnsDevicesCmd.java
new file mode 100644
index 0000000..d9a209e
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/ListBigSwitchVnsDevicesCmd.java
@@ -0,0 +1,109 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.api.commands;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.cloudstack.api.APICommand;
+import org.apache.cloudstack.api.ApiConstants;
+import org.apache.cloudstack.api.ApiErrorCode;
+import org.apache.cloudstack.api.BaseListCmd;
+import org.apache.cloudstack.api.Parameter;
+import org.apache.cloudstack.api.PlugService;
+import org.apache.cloudstack.api.ServerApiException;
+import org.apache.cloudstack.api.response.ListResponse;
+import org.apache.cloudstack.api.response.PhysicalNetworkResponse;
+import org.apache.log4j.Logger;
+
+import com.cloud.api.response.BigSwitchVnsDeviceResponse;
+import com.cloud.exception.ConcurrentOperationException;
+import com.cloud.exception.InsufficientCapacityException;
+import com.cloud.exception.InvalidParameterValueException;
+import com.cloud.exception.ResourceAllocationException;
+import com.cloud.exception.ResourceUnavailableException;
+import com.cloud.network.BigSwitchVnsDeviceVO;
+import com.cloud.network.element.BigSwitchVnsElementService;
+import com.cloud.utils.exception.CloudRuntimeException;
+
+@APICommand(name = "listBigSwitchVnsDevices", responseObject=BigSwitchVnsDeviceResponse.class, description="Lists BigSwitch Vns devices")
+public class ListBigSwitchVnsDevicesCmd extends BaseListCmd {
+	public static final Logger s_logger = Logger.getLogger(ListBigSwitchVnsDevicesCmd.class.getName());
+    private static final String s_name = "listbigswitchvnsdeviceresponse";
+    @PlugService BigSwitchVnsElementService _bigswitchVnsElementService;
+
+   /////////////////////////////////////////////////////
+    //////////////// API parameters /////////////////////
+    /////////////////////////////////////////////////////
+
+    @Parameter(name=ApiConstants.PHYSICAL_NETWORK_ID, type=CommandType.UUID,
+		entityType = PhysicalNetworkResponse.class,
+            description="the Physical Network ID")
+    private Long physicalNetworkId;
+
+    @Parameter(name=VnsConstants.BIGSWITCH_VNS_DEVICE_ID,
+               type=CommandType.LONG,
+               description="bigswitch vns device ID")
+    private Long bigswitchVnsDeviceId;
+
+    /////////////////////////////////////////////////////
+    /////////////////// Accessors ///////////////////////
+    /////////////////////////////////////////////////////
+
+    public Long getBigSwitchVnsDeviceId() {
+        return bigswitchVnsDeviceId;
+    }
+
+    public Long getPhysicalNetworkId() {
+        return physicalNetworkId;
+    }
+
+    /////////////////////////////////////////////////////
+    /////////////// API Implementation///////////////////
+    /////////////////////////////////////////////////////
+
+    @Override
+    public void execute() throws ResourceUnavailableException, InsufficientCapacityException, ServerApiException,
+    ConcurrentOperationException, ResourceAllocationException {
+        try {
+            List<BigSwitchVnsDeviceVO> bigswitchDevices = _bigswitchVnsElementService.listBigSwitchVnsDevices(this);
+            ListResponse<BigSwitchVnsDeviceResponse> response = new ListResponse<BigSwitchVnsDeviceResponse>();
+            List<BigSwitchVnsDeviceResponse> bigswitchDevicesResponse = new ArrayList<BigSwitchVnsDeviceResponse>();
+
+            if (bigswitchDevices != null && !bigswitchDevices.isEmpty()) {
+                for (BigSwitchVnsDeviceVO bigswitchDeviceVO : bigswitchDevices) {
+			BigSwitchVnsDeviceResponse bigswitchDeviceResponse =
+				_bigswitchVnsElementService.createBigSwitchVnsDeviceResponse(bigswitchDeviceVO);
+                    bigswitchDevicesResponse.add(bigswitchDeviceResponse);
+                }
+            }
+
+            response.setResponses(bigswitchDevicesResponse);
+            response.setResponseName(getCommandName());
+            this.setResponseObject(response);
+        }  catch (InvalidParameterValueException invalidParamExcp) {
+            throw new ServerApiException(ApiErrorCode.PARAM_ERROR, invalidParamExcp.getMessage());
+        } catch (CloudRuntimeException runtimeExcp) {
+            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, runtimeExcp.getMessage());
+        }
+    }
+
+    @Override
+    public String getCommandName() {
+        return s_name;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/VnsConstants.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/VnsConstants.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/VnsConstants.java
new file mode 100644
index 0000000..5a81ec6
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/commands/VnsConstants.java
@@ -0,0 +1,19 @@
+package com.cloud.api.commands;
+
+
+import org.apache.cloudstack.network.ExternalNetworkDeviceManager.NetworkDevice;
+
+import com.cloud.network.Network.Provider;
+
+public class VnsConstants {
+    public static final String BIGSWITCH_VNS_DEVICE_ID = "vnsdeviceid";
+    public static final String BIGSWITCH_VNS_DEVICE_NAME = "bigswitchdevicename";
+
+    public static final String EVENT_EXTERNAL_VNS_CONTROLLER_ADD = "PHYSICAL.VNSCONTROLLER.ADD";
+    public static final String EVENT_EXTERNAL_VNS_CONTROLLER_DELETE = "PHYSICAL.VNSCONTROLLER.DELETE";
+
+    public static final Provider BigSwitchVns = new Provider("BigSwitchVns", true);
+
+    public static final NetworkDevice BigSwitchVnsDevice = new NetworkDevice("BigSwitchVns", BigSwitchVns.getName());
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/api/response/BigSwitchVnsDeviceResponse.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/api/response/BigSwitchVnsDeviceResponse.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/response/BigSwitchVnsDeviceResponse.java
new file mode 100644
index 0000000..ede5adf
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/api/response/BigSwitchVnsDeviceResponse.java
@@ -0,0 +1,63 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.api.response;
+
+import org.apache.cloudstack.api.ApiConstants;
+import org.apache.cloudstack.api.BaseResponse;
+import org.apache.cloudstack.api.EntityReference;
+import com.cloud.api.commands.VnsConstants;
+import com.cloud.network.BigSwitchVnsDeviceVO;
+import com.cloud.serializer.Param;
+import com.google.gson.annotations.SerializedName;
+
+@EntityReference(value=BigSwitchVnsDeviceVO.class)
+public class BigSwitchVnsDeviceResponse extends BaseResponse {
+    @SerializedName(VnsConstants.BIGSWITCH_VNS_DEVICE_ID) @Param(description="device id of the BigSwitch Vns")
+    private String id;
+
+    @SerializedName(ApiConstants.PHYSICAL_NETWORK_ID) @Param(description="the physical network to which this BigSwitch Vns belongs to")
+    private String physicalNetworkId;
+
+    @SerializedName(ApiConstants.PROVIDER) @Param(description="name of the provider")
+    private String providerName;
+
+    @SerializedName(VnsConstants.BIGSWITCH_VNS_DEVICE_NAME) @Param(description="device name")
+    private String deviceName;
+
+    @SerializedName(ApiConstants.HOST_NAME) @Param(description="the controller Ip address")
+    private String hostName;
+
+    public void setId(String vnsDeviceId) {
+        this.id = vnsDeviceId;
+    }
+
+    public void setPhysicalNetworkId(String physicalNetworkId) {
+        this.physicalNetworkId = physicalNetworkId;
+    }
+
+    public void setProviderName(String providerName) {
+        this.providerName = providerName;
+    }
+
+    public void setDeviceName(String deviceName) {
+        this.deviceName = deviceName;
+    }
+
+    public void setHostName(String hostName) {
+        this.hostName = hostName;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/BigSwitchVnsDeviceVO.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/BigSwitchVnsDeviceVO.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/BigSwitchVnsDeviceVO.java
new file mode 100644
index 0000000..7e64833
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/BigSwitchVnsDeviceVO.java
@@ -0,0 +1,94 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network;
+
+import java.util.UUID;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Table(name="external_bigswitch_vns_devices")
+public class BigSwitchVnsDeviceVO {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name="id")
+    private long id;
+
+    @Column(name="uuid")
+    private String uuid;
+
+    @Column(name="host_id")
+    private long hostId;
+
+    @Column(name="physical_network_id")
+    private long physicalNetworkId;
+
+    @Column(name="provider_name")
+    private String providerName;
+
+    @Column(name="device_name")
+    private String deviceName;
+
+    public BigSwitchVnsDeviceVO() {
+        this.uuid = UUID.randomUUID().toString();
+    }
+
+    public BigSwitchVnsDeviceVO(long hostId, long physicalNetworkId,
+            String providerName, String deviceName) {
+        super();
+        this.hostId = hostId;
+        this.physicalNetworkId = physicalNetworkId;
+        this.providerName = providerName;
+        this.deviceName = deviceName;
+        this.uuid = UUID.randomUUID().toString();
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public String getUuid() {
+        return uuid;
+    }
+
+    public void setUuid(String uuid) {
+        this.uuid = uuid;
+    }
+
+    public long getPhysicalNetworkId() {
+        return physicalNetworkId;
+    }
+
+    public long getHostId() {
+        return hostId;
+    }
+
+    public String getProviderName() {
+        return providerName;
+    }
+
+    public String getDeviceName() {
+        return deviceName;
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Attachment.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Attachment.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Attachment.java
new file mode 100644
index 0000000..9a13467
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Attachment.java
@@ -0,0 +1,38 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network.bigswitch;
+
+public class Attachment {
+    private String id;
+    private String mac;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getMac() {
+        return mac;
+    }
+
+    public void setMac(String mac) {
+        this.mac = mac;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/BigSwitchVnsApi.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/BigSwitchVnsApi.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/BigSwitchVnsApi.java
new file mode 100644
index 0000000..c409dce
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/BigSwitchVnsApi.java
@@ -0,0 +1,330 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network.bigswitch;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.lang.reflect.Type;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.apache.commons.httpclient.HttpClient;
+import org.apache.commons.httpclient.HttpException;
+import org.apache.commons.httpclient.HttpMethod;
+import org.apache.commons.httpclient.HttpMethodBase;
+import org.apache.commons.httpclient.HttpStatus;
+import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
+import org.apache.commons.httpclient.NameValuePair;
+import org.apache.commons.httpclient.cookie.CookiePolicy;
+import org.apache.commons.httpclient.methods.DeleteMethod;
+import org.apache.commons.httpclient.methods.GetMethod;
+import org.apache.commons.httpclient.methods.PostMethod;
+import org.apache.commons.httpclient.methods.PutMethod;
+import org.apache.commons.httpclient.methods.StringRequestEntity;
+import org.apache.log4j.Logger;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+
+public class BigSwitchVnsApi {
+    private static final Logger s_logger = Logger.getLogger(BigSwitchVnsApi.class);
+    private final static String _protocol = "http";
+    private final static String _nsBaseUri = "/networkService/v1.1";
+    private final static String _controllerBaseUri = "/wm/core";
+    private final static String CONTENT_TYPE = "Content-Type";
+    private final static String CONTENT_JSON = "application/json";
+    private final static String HTTP_HEADER_INSTANCE_ID = "HTTP_INSTANCE_ID";
+    private final static String CLOUDSTACK_INSTANCE_ID = "org.apache.cloudstack";
+    private final static MultiThreadedHttpConnectionManager s_httpClientManager =
+                         new MultiThreadedHttpConnectionManager();
+
+    private String _host;
+
+    private HttpClient _client;
+
+    /* This factory method is protected so we can extend this
+     * in the unittests.
+     */
+    protected HttpClient createHttpClient() {
+        return new HttpClient(s_httpClientManager);
+    }
+
+    protected HttpMethod createMethod(String type, String uri, int port) throws BigSwitchVnsApiException {
+        String url;
+        try {
+            url = new URL(_protocol, _host, port, uri).toString();
+        } catch (MalformedURLException e) {
+            s_logger.error("Unable to build BigSwitch API URL", e);
+            throw new BigSwitchVnsApiException("Unable to build v API URL", e);
+        }
+
+        if ("post".equalsIgnoreCase(type)) {
+            return new PostMethod(url);
+        }
+        else if ("get".equalsIgnoreCase(type)) {
+            return new GetMethod(url);
+        }
+        else if ("delete".equalsIgnoreCase(type)) {
+            return new DeleteMethod(url);
+        }
+        else if ("put".equalsIgnoreCase(type)) {
+            return new PutMethod(url);
+        }
+        else {
+            throw new BigSwitchVnsApiException("Requesting unknown method type");
+        }
+    }
+
+    public BigSwitchVnsApi() {
+        _client = createHttpClient();
+        _client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
+    }
+
+    public void setControllerAddress(String address) {
+        this._host = address;
+    }
+
+
+    /**
+     * Logs into the BigSwitch API. The cookie is stored in the <code>_authcookie<code> variable.
+     * <p>
+     * The method returns false if the login failed or the connection could not be made.
+     *
+     */
+    protected void login() throws BigSwitchVnsApiException {
+        return;
+    }
+
+    public void createNetwork(Network network)
+                throws BigSwitchVnsApiException {
+        String uri = _nsBaseUri + "/tenant/" + network.getTenant_id() + "/network";
+        executeCreateObject(network, new TypeToken<Network>(){}.getType(),
+                uri, Collections.<String,String>emptyMap());
+    }
+
+    public void deleteNetwork(String tenantId, String networkId) throws BigSwitchVnsApiException {
+        String uri = _nsBaseUri + "/tenant/" + tenantId + "/networks/" + networkId;
+        executeDeleteObject(uri);
+    }
+
+    public void createPort(String networkUuid, Port port)
+                throws BigSwitchVnsApiException {
+	String uri = _nsBaseUri + "/tenant/" + port.getTenant_id() + "/networks/" + networkUuid + "/ports";
+        executeCreateObject(port, new TypeToken<Port>(){}.getType(),
+                uri, Collections.<String,String>emptyMap());
+    }
+
+    public void modifyPort(String networkId, Port port)
+                throws BigSwitchVnsApiException {
+        String uri = _nsBaseUri + "/tenant/" + port.getTenant_id() + "/networks/" + networkId + "/ports";
+        executeUpdateObject(port, uri, Collections.<String,String>emptyMap());
+    }
+
+    public void deletePort(String tenantId, String networkId, String portId)
+                throws BigSwitchVnsApiException {
+        String uri = _nsBaseUri + "/tenant/" + tenantId + "/networks/" + networkId + "/ports/" + portId;
+        executeDeleteObject(uri);
+    }
+
+    public void modifyPortAttachment(String tenantId,
+            String networkId,
+            String portId,
+            Attachment attachment) throws BigSwitchVnsApiException {
+        String uri = _nsBaseUri + "/tenant/" + tenantId + "/networks/" + networkId + "/ports/" + portId + "/attachment";
+        executeUpdateObject(attachment, uri, Collections.<String,String>emptyMap());
+    }
+
+    public void deletePortAttachment(String tenantId, String networkId, String portId)
+                throws BigSwitchVnsApiException {
+        String uri = _nsBaseUri + "/tenant/" + tenantId + "/networks/" + networkId + "/ports/" + portId + "/attachment";
+        executeDeleteObject(uri);
+    }
+
+    public ControlClusterStatus getControlClusterStatus() throws BigSwitchVnsApiException {
+        String uri = _controllerBaseUri + "/health/json";
+        ControlClusterStatus ccs = executeRetrieveObject(new TypeToken<ControlClusterStatus>(){}.getType(),
+                                                         uri, 80, null);
+
+        return ccs;
+    }
+
+    protected <T> void executeUpdateObject(T newObject, String uri, Map<String,String> parameters)
+                       throws BigSwitchVnsApiException {
+        if (_host == null || _host.isEmpty()) {
+            throw new BigSwitchVnsApiException("Hostname is null or empty");
+        }
+
+        Gson gson = new Gson();
+
+        PutMethod pm = (PutMethod) createMethod("put", uri, 80);
+        pm.setRequestHeader(CONTENT_TYPE, CONTENT_JSON);
+        pm.setRequestHeader(HTTP_HEADER_INSTANCE_ID, CLOUDSTACK_INSTANCE_ID);
+        try {
+            pm.setRequestEntity(new StringRequestEntity(
+                    gson.toJson(newObject), CONTENT_JSON, null));
+        } catch (UnsupportedEncodingException e) {
+            throw new BigSwitchVnsApiException("Failed to encode json request body", e);
+        }
+
+        executeMethod(pm);
+
+        if (pm.getStatusCode() != HttpStatus.SC_OK) {
+            String errorMessage = responseToErrorMessage(pm);
+            pm.releaseConnection();
+            s_logger.error("Failed to update object : " + errorMessage);
+            throw new BigSwitchVnsApiException("Failed to update object : " + errorMessage);
+        }
+        pm.releaseConnection();
+    }
+
+    protected <T> void executeCreateObject(T newObject, Type returnObjectType, String uri,
+                                           Map<String,String> parameters)
+                       throws BigSwitchVnsApiException {
+        if (_host == null || _host.isEmpty()) {
+            throw new BigSwitchVnsApiException("Hostname is null or empty");
+        }
+
+        Gson gson = new Gson();
+
+        PostMethod pm = (PostMethod) createMethod("post", uri, 80);
+        pm.setRequestHeader(CONTENT_TYPE, CONTENT_JSON);
+        pm.setRequestHeader(HTTP_HEADER_INSTANCE_ID, CLOUDSTACK_INSTANCE_ID);
+        try {
+            pm.setRequestEntity(new StringRequestEntity(
+                    gson.toJson(newObject), CONTENT_JSON, null));
+        } catch (UnsupportedEncodingException e) {
+            throw new BigSwitchVnsApiException("Failed to encode json request body", e);
+        }
+
+        executeMethod(pm);
+
+        if (pm.getStatusCode() != HttpStatus.SC_OK) {
+            String errorMessage = responseToErrorMessage(pm);
+            pm.releaseConnection();
+            s_logger.error("Failed to create object : " + errorMessage);
+            throw new BigSwitchVnsApiException("Failed to create object : " + errorMessage);
+        }
+        pm.releaseConnection();
+
+        return;
+    }
+
+    protected void executeDeleteObject(String uri) throws BigSwitchVnsApiException {
+        if (_host == null || _host.isEmpty()) {
+            throw new BigSwitchVnsApiException("Hostname is null or empty");
+        }
+
+        DeleteMethod dm = (DeleteMethod) createMethod("delete", uri, 80);
+        dm.setRequestHeader(CONTENT_TYPE, CONTENT_JSON);
+        dm.setRequestHeader(HTTP_HEADER_INSTANCE_ID, CLOUDSTACK_INSTANCE_ID);
+
+        executeMethod(dm);
+
+        if (dm.getStatusCode() != HttpStatus.SC_OK) {
+            String errorMessage = responseToErrorMessage(dm);
+            dm.releaseConnection();
+            s_logger.error("Failed to delete object : " + errorMessage);
+            throw new BigSwitchVnsApiException("Failed to delete object : " + errorMessage);
+        }
+        dm.releaseConnection();
+    }
+
+    @SuppressWarnings("unchecked")
+    protected <T> T executeRetrieveObject(Type returnObjectType, String uri, int port, Map<String,String> parameters)
+                    throws BigSwitchVnsApiException {
+        if (_host == null || _host.isEmpty()) {
+            throw new BigSwitchVnsApiException("Hostname is null or empty");
+        }
+
+        GetMethod gm = (GetMethod) createMethod("get", uri, port);
+        gm.setRequestHeader(CONTENT_TYPE, CONTENT_JSON);
+        gm.setRequestHeader(HTTP_HEADER_INSTANCE_ID, CLOUDSTACK_INSTANCE_ID);
+
+        if (parameters != null && !parameters.isEmpty()) {
+            List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(parameters.size());
+            for (Entry<String,String> e : parameters.entrySet()) {
+                nameValuePairs.add(new NameValuePair(e.getKey(), e.getValue()));
+            }
+            gm.setQueryString(nameValuePairs.toArray(new NameValuePair[0]));
+        }
+
+        executeMethod(gm);
+
+        if (gm.getStatusCode() != HttpStatus.SC_OK) {
+            String errorMessage = responseToErrorMessage(gm);
+            gm.releaseConnection();
+            s_logger.error("Failed to retrieve object : " + errorMessage);
+            throw new BigSwitchVnsApiException("Failed to retrieve object : " + errorMessage);
+        }
+
+        Gson gson = new Gson();
+        T returnValue;
+        try {
+            returnValue = (T)gson.fromJson(gm.getResponseBodyAsString(), returnObjectType);
+        } catch (IOException e) {
+            s_logger.error("IOException while retrieving response body",e);
+            throw new BigSwitchVnsApiException(e);
+        } finally {
+            gm.releaseConnection();
+        }
+        return returnValue;
+    }
+
+    protected void executeMethod(HttpMethodBase method) throws BigSwitchVnsApiException {
+        try {
+            _client.executeMethod(method);
+            if (method.getStatusCode() == HttpStatus.SC_UNAUTHORIZED) {
+                method.releaseConnection();
+                // login and try again
+                login();
+                _client.executeMethod(method);
+            }
+        } catch (HttpException e) {
+            s_logger.error("HttpException caught while trying to connect to the BigSwitch Controller", e);
+            method.releaseConnection();
+            throw new BigSwitchVnsApiException("API call to BigSwitch Controller Failed", e);
+        } catch (IOException e) {
+            s_logger.error("IOException caught while trying to connect to the BigSwitch Controller", e);
+            method.releaseConnection();
+            throw new BigSwitchVnsApiException("API call to BigSwitch Controller Failed", e);
+        }
+    }
+
+    private String responseToErrorMessage(HttpMethodBase method) {
+        assert method.isRequestSent() : "no use getting an error message unless the request is sent";
+
+        if ("text/html".equals(method.getResponseHeader(CONTENT_TYPE).getValue())) {
+            // The error message is the response content
+            // Safety margin of 1024 characters, anything longer is probably useless
+            // and will clutter the logs
+            try {
+                return  method.getResponseBodyAsString(1024);
+            } catch (IOException e) {
+                s_logger.debug("Error while loading response body", e);
+            }
+        }
+
+        // The default
+        return method.getStatusText();
+    }
+
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/BigSwitchVnsApiException.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/BigSwitchVnsApiException.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/BigSwitchVnsApiException.java
new file mode 100644
index 0000000..49c3238
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/BigSwitchVnsApiException.java
@@ -0,0 +1,39 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network.bigswitch;
+
+public class BigSwitchVnsApiException extends Exception {
+
+
+    private static final long serialVersionUID = -5864952230870945604L;
+
+    public BigSwitchVnsApiException() {
+    }
+
+    public BigSwitchVnsApiException(String message) {
+        super(message);
+    }
+
+    public BigSwitchVnsApiException(Throwable cause) {
+        super(cause);
+    }
+
+    public BigSwitchVnsApiException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/ControlClusterStatus.java
----------------------------------------------------------------------
diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/ControlClusterStatus.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/ControlClusterStatus.java
new file mode 100644
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+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/ControlClusterStatus.java
@@ -0,0 +1,25 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network.bigswitch;
+
+public class ControlClusterStatus {
+    private boolean healthy;
+
+    public boolean getStatus() {
+        return healthy;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Network.java
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diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Network.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Network.java
new file mode 100644
index 0000000..c89c693
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+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Network.java
@@ -0,0 +1,74 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network.bigswitch;
+
+public class Network {
+    private String id;
+    private String name;
+    private String tenant_id;
+    private int vlan;
+    private String gateway;
+    private String state;
+
+    public String getUuid() {
+        return id;
+    }
+
+    public void setUuid(String id) {
+        this.id = id;
+    }
+
+    public String getDisplay_name() {
+        return name;
+    }
+
+    public void setDisplay_name(String display_name) {
+        this.name = display_name;
+    }
+
+    public String getTenant_id() {
+        return tenant_id;
+    }
+
+    public void setTenant_id(String tenant_id) {
+        this.tenant_id = tenant_id;
+    }
+
+    public int getVlan() {
+        return vlan;
+    }
+
+    public void setVlan(int vlan) {
+        this.vlan = vlan;
+    }
+
+    public String getGateway() {
+        return gateway;
+    }
+
+    public void setGateway(String gateway) {
+        this.gateway = gateway;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    public void setState(String state) {
+        this.state = state;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Port.java
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diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Port.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Port.java
new file mode 100644
index 0000000..bf749d0
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+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/bigswitch/Port.java
@@ -0,0 +1,56 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network.bigswitch;
+
+public class Port {
+    private String id;
+    private String name;
+    private String tenant_id;
+    private String state;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getTenant_id() {
+        return tenant_id;
+    }
+
+    public void setTenant_id(String tenant_id) {
+        this.tenant_id = tenant_id;
+    }
+
+    public String getState() {
+        return state;
+    }
+
+    public void setState(String state) {
+        this.state = state;
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/dao/BigSwitchVnsDao.java
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diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/dao/BigSwitchVnsDao.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/dao/BigSwitchVnsDao.java
new file mode 100644
index 0000000..d9bbf9d
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/dao/BigSwitchVnsDao.java
@@ -0,0 +1,32 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network.dao;
+
+import java.util.List;
+
+import com.cloud.network.BigSwitchVnsDeviceVO;
+import com.cloud.utils.db.GenericDao;
+
+public interface BigSwitchVnsDao extends GenericDao<BigSwitchVnsDeviceVO, Long>{
+    /**
+     * list all the bigswitch Vns devices added in to this physical network
+     * @param physicalNetworkId physical Network Id
+     * @return list of BigSwitchVnsDeviceVO for this physical network.
+     */
+    List<BigSwitchVnsDeviceVO> listByPhysicalNetwork(long physicalNetworkId);
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/736b236e/plugins/network-elements/bigswitch-vns/src/com/cloud/network/dao/BigSwitchVnsDaoImpl.java
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diff --git a/plugins/network-elements/bigswitch-vns/src/com/cloud/network/dao/BigSwitchVnsDaoImpl.java b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/dao/BigSwitchVnsDaoImpl.java
new file mode 100644
index 0000000..955bdda
--- /dev/null
+++ b/plugins/network-elements/bigswitch-vns/src/com/cloud/network/dao/BigSwitchVnsDaoImpl.java
@@ -0,0 +1,48 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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 com.cloud.network.dao;
+
+import java.util.List;
+
+import javax.ejb.Local;
+
+import com.cloud.network.BigSwitchVnsDeviceVO;
+import com.cloud.utils.db.GenericDaoBase;
+import com.cloud.utils.db.SearchBuilder;
+import com.cloud.utils.db.SearchCriteria;
+import com.cloud.utils.db.SearchCriteria.Op;
+
+@Local(value=BigSwitchVnsDao.class)
+public class BigSwitchVnsDaoImpl extends GenericDaoBase<BigSwitchVnsDeviceVO, Long>
+        implements BigSwitchVnsDao {
+
+    protected final SearchBuilder<BigSwitchVnsDeviceVO> physicalNetworkIdSearch;
+
+    public BigSwitchVnsDaoImpl() {
+        physicalNetworkIdSearch = createSearchBuilder();
+        physicalNetworkIdSearch.and("physicalNetworkId", physicalNetworkIdSearch.entity().getPhysicalNetworkId(), Op.EQ);
+        physicalNetworkIdSearch.done();
+    }
+
+    @Override
+    public List<BigSwitchVnsDeviceVO> listByPhysicalNetwork(long physicalNetworkId) {
+        SearchCriteria<BigSwitchVnsDeviceVO> sc = physicalNetworkIdSearch.create();
+        sc.setParameters("physicalNetworkId", physicalNetworkId);
+        return search(sc, null);
+    }
+
+}