Adding example multihop ssh

diff --git a/examples/linux/multihop_ssh.py b/examples/linux/multihop_ssh.py
new file mode 100755 (executable)
index 0000000..a141fab
--- /dev/null
+++ b/examples/linux/multihop_ssh.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+#
+#    NEPI, a framework to manage network experiments
+#    Copyright (C) 2013 INRIA
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Lucia Guevgeozian <lucia.guevgeozian_odizzio@inria.fr>
+
+from nepi.execution.ec import ExperimentController
+from nepi.execution.resource import ResourceAction, ResourceState
+
+# Create the EC
+exp_id = "multihop_ssh"
+ec = ExperimentController(exp_id)
+
+# server
+node1 = ec.register_resource("LinuxNode")
+ec.set(node1, "hostname", "wlab19.")
+ec.set(node1, "username", "root")
+ec.set(node1, "gatewayUser", "etourdi")
+ec.set(node1, "gateway", "etourdi.pl.sophia.inria.fr")
+ec.set(node1, "cleanHome", True)
+ec.set(node1, "cleanProcesses", True)
+
+# client
+node2 = ec.register_resource("LinuxNode")
+ec.set(node2, "hostname", "wlab5.")
+ec.set(node2, "username", "root")
+ec.set(node2, "gatewayUser", "etourdi")
+ec.set(node2, "gateway", "etourdi.pl.sophia.inria.fr")
+ec.set(node2, "cleanHome", True)
+ec.set(node2, "cleanProcesses", True)
+
+app1 = ec.register_resource("LinuxApplication")
+video= "../big_buck_bunny_240p_mpeg4_lq.ts"
+ec.set(app1, "sources", video)
+command = "cat ${SRC}/big_buck_bunny_240p_mpeg4_lq.ts| nc wlab5 1234" 
+ec.set(app1, "command", command)
+ec.register_connection(app1, node1)
+
+app2 = ec.register_resource("LinuxApplication")
+command = "nc -dl 1234 > big_buck_copied_movie.ts"
+ec.set(app2, "command", command)
+ec.register_connection(app2, node2)
+
+# Register conditions
+ec.register_condition(app1, ResourceAction.START, app2, ResourceState.STARTED)
+
+# Deploy
+ec.deploy()
+
+ec.wait_finished([app1, app2])
+
+ec.shutdown()
+
+# End