add simple topology example

diff --git a/src/emuvim/examples/sonata_simple_topology.py b/src/emuvim/examples/sonata_simple_topology.py
new file mode 100755 (executable)
index 0000000..0627247
--- /dev/null
+++ b/src/emuvim/examples/sonata_simple_topology.py
@@ -0,0 +1,78 @@
+"""
+Copyright (c) 2015 SONATA-NFV
+ALL RIGHTS RESERVED.
+
+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.
+
+Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
+nor the names of its contributors may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+
+This work has been performed in the framework of the SONATA project,
+funded by the European Commission under Grant number 671517 through
+the Horizon 2020 and 5G-PPP programmes. The authors would like to
+acknowledge the contributions of their colleagues of the SONATA
+partner consortium (www.sonata-nfv.eu).
+"""
+"""
+A simple topology with two PoPs for the y1 demo story board.
+
+        (dc1) <<-->> s1 <<-->> (dc2)
+
+- SAP deployment enabled
+- learning switch enabled
+"""
+
+import logging
+from mininet.log import setLogLevel
+from emuvim.dcemulator.net import DCNetwork
+from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
+from emuvim.api.sonata import SonataDummyGatekeeperEndpoint
+from mininet.node import RemoteController
+
+logging.basicConfig(level=logging.INFO)
+
+
+def create_topology1():
+    # create topology
+    net = DCNetwork(controller=RemoteController, monitor=True, enable_learning=True)
+    dc1 = net.addDatacenter("dc1")
+
+
+    # add the command line interface endpoint to each DC (REST API)
+    rapi1 = RestApiEndpoint("0.0.0.0", 5001)
+    rapi1.connectDCNetwork(net)
+    rapi1.connectDatacenter(dc1)
+    # run API endpoint server (in another thread, don't block)
+    rapi1.start()
+
+    # add the SONATA dummy gatekeeper to each DC
+    sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
+    sdkg1.connectDatacenter(dc1)
+    # run the dummy gatekeeper (in another thread, don't block)
+    sdkg1.start()
+
+    # start the emulation platform
+    net.start()
+    net.CLI()
+    net.stop()
+
+
+def main():
+    setLogLevel('info')  # set Mininet loglevel
+    create_topology1()
+
+
+if __name__ == '__main__':
+    main()