docs: pass updating python examples to be the same as grpc examples and remove extra cruft to focus on simpler example code alone

daemon/examples/python/wlan.py

@@ -1,10 +1,4 @@
-"""
-This is a standalone script to run a small WLAN based scenario and will not
-interact with the GUI.
-"""
-
-import logging
-
+# required imports
 from core.emulator.coreemu import CoreEmu
 from core.emulator.data import IpPrefixes, NodeOptions
 from core.emulator.enumerations import EventTypes
@@ -12,47 +6,50 @@ from core.location.mobility import BasicRangeModel
 from core.nodes.base import CoreNode
 from core.nodes.network import WlanNode
 
-NODES = 2
+# ip nerator for example
+ip_prefixes = IpPrefixes(ip4_prefix="10.0.0.0/24")
 
+# create emulator instance for creating sessions and utility methods
+coreemu = CoreEmu()
+session = coreemu.create_session()
 
-def main():
-    # ip generator for example
-    prefixes = IpPrefixes("10.83.0.0/16")
+# must be in configuration state for nodes to start, when using "node_add" below
+session.set_state(EventTypes.CONFIGURATION_STATE)
 
-    # create emulator instance for creating sessions and utility methods
-    coreemu = CoreEmu()
-    session = coreemu.create_session()
+# create wlan
+options = NodeOptions(x=200, y=200)
+wlan = session.add_node(WlanNode, options=options)
 
-    # must be in configuration state for nodes to start, when using "node_add" below
-    session.set_state(EventTypes.CONFIGURATION_STATE)
+# create nodes
+options = NodeOptions(model="mdr", x=100, y=100)
+n1 = session.add_node(CoreNode, options=options)
+options = NodeOptions(model="mdr", x=300, y=100)
+n2 = session.add_node(CoreNode, options=options)
 
-    # create wlan network node
-    wlan = session.add_node(WlanNode, _id=100)
-    session.mobility.set_model(wlan, BasicRangeModel)
+# configuring wlan
+session.mobility.set_model_config(
+    wlan.id,
+    BasicRangeModel.name,
+    {
+        "range": "280",
+        "bandwidth": "55000000",
+        "delay": "6000",
+        "jitter": "5",
+        "error": "5",
+    },
+)
 
-    # create nodes, must set a position for wlan basic range model
-    options = NodeOptions(model="mdr")
-    options.set_position(0, 0)
-    for _ in range(NODES):
-        node = session.add_node(CoreNode, options=options)
-        interface = prefixes.create_iface(node)
-        session.add_link(node.id, wlan.id, iface1_data=interface)
+# link nodes to wlan
+iface1 = ip_prefixes.create_iface(n1)
+session.add_link(n1.id, wlan.id, iface1)
+iface1 = ip_prefixes.create_iface(n2)
+session.add_link(n2.id, wlan.id, iface1)
 
-    # instantiate session
-    session.instantiate()
+# start session
+session.instantiate()
 
-    # get nodes for example run
-    first_node = session.get_node(1, CoreNode)
-    last_node = session.get_node(NODES, CoreNode)
-    address = prefixes.ip4_address(first_node.id)
-    logging.info("node %s pinging %s", last_node.name, address)
-    output = last_node.cmd(f"ping -c 3 {address}")
-    logging.info(output)
+# do whatever you like here
+input("press enter to shutdown")
 
-    # shutdown session
-    coreemu.shutdown()
-
-
-if __name__ == "__main__":
-    logging.basicConfig(level=logging.INFO)
-    main()
+# stop session
+session.shutdown()