removed old examples, updated examples api to denote they are python script examples

daemon/examples/python/wlan.py

@@ -0,0 +1,72 @@
+#!/usr/bin/python
+#
+# run iperf to measure the effective throughput between two nodes when
+# n nodes are connected to a virtual wlan; run test for testsec
+# and repeat for minnodes <= n <= maxnodes with a step size of
+# nodestep
+
+import datetime
+import parser
+from builtins import range
+
+from core.emulator.coreemu import CoreEmu
+from core.emulator.emudata import IpPrefixes, NodeOptions
+from core.emulator.enumerations import EventTypes, NodeTypes
+from core.location.mobility import BasicRangeModel
+from core.utils import load_logging_config
+
+load_logging_config()
+
+
+def example(options):
+    # ip generator for example
+    prefixes = IpPrefixes("10.83.0.0/16")
+
+    # create emulator instance for creating sessions and utility methods
+    coreemu = CoreEmu()
+    session = coreemu.create_session()
+
+    # must be in configuration state for nodes to start, when using "node_add" below
+    session.set_state(EventTypes.CONFIGURATION_STATE)
+
+    # create wlan network node
+    wlan = session.add_node(_type=NodeTypes.WIRELESS_LAN)
+    session.mobility.set_model(wlan, BasicRangeModel)
+
+    # create nodes, must set a position for wlan basic range model
+    node_options = NodeOptions()
+    node_options.set_position(0, 0)
+    for _ in range(options.nodes):
+        node = session.add_node(node_options=node_options)
+        interface = prefixes.create_interface(node)
+        session.add_link(node.id, wlan.id, interface_one=interface)
+
+    # instantiate session
+    session.instantiate()
+
+    # get nodes for example run
+    first_node = session.get_node(2)
+    last_node = session.get_node(options.nodes + 1)
+
+    print("starting iperf server on node: %s" % first_node.name)
+    first_node.cmd(["iperf", "-s", "-D"])
+    address = prefixes.ip4_address(first_node)
+    print("node %s connecting to %s" % (last_node.name, address))
+    last_node.client.icmd(["iperf", "-t", str(options.time), "-c", address])
+    first_node.cmd(["killall", "-9", "iperf"])
+
+    # shutdown session
+    coreemu.shutdown()
+
+
+def main():
+    options = parser.parse_options("wlan")
+
+    start = datetime.datetime.now()
+    print("running wlan example: nodes(%s) time(%s)" % (options.nodes, options.time))
+    example(options)
+    print("elapsed time: %s" % (datetime.datetime.now() - start))
+
+
+if __name__ == "__main__":
+    main()