docs: pass on improving and providing doc based examples for common basic use cases, fixed issue with grpc defaulting session refscale to a very large number

This commit is contained in:
Blake Harnden 2020-09-11 23:49:26 -07:00
parent 9ea1915f48
commit 828a68a0cd
8 changed files with 478 additions and 208 deletions

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"""
Example using gRPC API to create a simple EMANE 80211 network.
"""
import logging
# required imports
from core.api.grpc import client
from core.api.grpc.core_pb2 import Node, NodeType, Position, SessionState
from core.emane.ieee80211abg import EmaneIeee80211abgModel
# interface helper
iface_helper = client.InterfaceHelper(ip4_prefix="10.0.0.0/24", ip6_prefix="2001::/64")
def log_event(event):
logging.info("event: %s", event)
# create grpc client and connect
core = client.CoreGrpcClient()
core.connect()
# create session and get id
response = core.create_session()
session_id = response.session_id
def main():
# helper to create interface addresses
interface_helper = client.InterfaceHelper(ip4_prefix="10.83.0.0/24")
# change session state to configuration so that nodes get started when added
core.set_session_state(session_id, SessionState.CONFIGURATION)
# create grpc client and start connection context, which auto closes connection
core = client.CoreGrpcClient()
with core.context_connect():
# create session
response = core.create_session()
logging.info("created session: %s", response)
# create emane node
position = Position(x=200, y=200)
emane = Node(type=NodeType.EMANE, position=position, emane=EmaneIeee80211abgModel.name)
response = core.add_node(session_id, emane)
emane_id = response.node_id
# handle events session may broadcast
session_id = response.session_id
core.events(session_id, log_event)
# create node one
position = Position(x=100, y=100)
n1 = Node(type=NodeType.DEFAULT, position=position, model="mdr")
response = core.add_node(session_id, n1)
n1_id = response.node_id
# change session state to configuration so that nodes get started when added
response = core.set_session_state(session_id, SessionState.CONFIGURATION)
logging.info("set session state: %s", response)
# create node two
position = Position(x=300, y=100)
n2 = Node(type=NodeType.DEFAULT, position=position, model="mdr")
response = core.add_node(session_id, n2)
n2_id = response.node_id
# create emane node
position = Position(x=200, y=200)
emane = Node(type=NodeType.EMANE, position=position)
response = core.add_node(session_id, emane)
logging.info("created emane: %s", response)
emane_id = response.node_id
# configure general emane settings
core.set_emane_config(session_id, {"eventservicettl": "2"})
# an emane model must be configured for use, by the emane node
core.set_emane_model_config(session_id, emane_id, EmaneIeee80211abgModel.name)
# configure emane model settings
# using a dict mapping currently support values as strings
core.set_emane_model_config(
session_id, emane_id, EmaneIeee80211abgModel.name, {"unicastrate": "3"}
)
# create node one
position = Position(x=100, y=100)
node1 = Node(type=NodeType.DEFAULT, position=position)
response = core.add_node(session_id, node1)
logging.info("created node: %s", response)
node1_id = response.node_id
# create node two
position = Position(x=300, y=100)
node2 = Node(type=NodeType.DEFAULT, position=position)
response = core.add_node(session_id, node2)
logging.info("created node: %s", response)
node2_id = response.node_id
# links nodes to switch
interface1 = interface_helper.create_iface(node1_id, 0)
response = core.add_link(session_id, node1_id, emane_id, interface1)
logging.info("created link: %s", response)
interface1 = interface_helper.create_iface(node2_id, 0)
response = core.add_link(session_id, node2_id, emane_id, interface1)
logging.info("created link: %s", response)
# change session state
response = core.set_session_state(session_id, SessionState.INSTANTIATION)
logging.info("set session state: %s", response)
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
main()
# links nodes to emane
iface1 = iface_helper.create_iface(n1_id, 0)
core.add_link(session_id, n1_id, emane_id, iface1)
iface1 = iface_helper.create_iface(n2_id, 0)
core.add_link(session_id, n2_id, emane_id, iface1)

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from core.api.grpc import client
from core.api.grpc.core_pb2 import Node, NodeType, Position, SessionState
# interface helper
iface_helper = client.InterfaceHelper(ip4_prefix="10.0.0.0/24", ip6_prefix="2001::/64")
# create grpc client and connect
core = client.CoreGrpcClient()
core.connect()
# create session and get id
response = core.create_session()
session_id = response.session_id
# change session state to configuration so that nodes get started when added
core.set_session_state(session_id, SessionState.CONFIGURATION)
# create node one
position = Position(x=100, y=100)
n1 = Node(type=NodeType.DEFAULT, position=position, model="PC")
response = core.add_node(session_id, n1)
n1_id = response.node_id
# create node two
position = Position(x=300, y=100)
n2 = Node(type=NodeType.DEFAULT, position=position, model="PC")
response = core.add_node(session_id, n2)
n2_id = response.node_id
# links nodes together
iface1 = iface_helper.create_iface(n1_id, 0)
iface2 = iface_helper.create_iface(n2_id, 0)
core.add_link(session_id, n1_id, n2_id, iface1, iface2)
# change session state
core.set_session_state(session_id, SessionState.INSTANTIATION)

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"""
Example using gRPC API to create a simple switch network.
"""
import logging
# required imports
from core.api.grpc import client
from core.api.grpc.core_pb2 import Node, NodeType, Position, SessionState
# interface helper
iface_helper = client.InterfaceHelper(ip4_prefix="10.0.0.0/24", ip6_prefix="2001::/64")
def log_event(event):
logging.info("event: %s", event)
# create grpc client and connect
core = client.CoreGrpcClient()
core.connect()
# create session and get id
response = core.create_session()
session_id = response.session_id
def main():
# helper to create interface addresses
interface_helper = client.InterfaceHelper(ip4_prefix="10.83.0.0/24")
# change session state to configuration so that nodes get started when added
core.set_session_state(session_id, SessionState.CONFIGURATION)
# create grpc client and start connection context, which auto closes connection
core = client.CoreGrpcClient()
with core.context_connect():
# create session
response = core.create_session()
logging.info("created session: %s", response)
# create switch node
position = Position(x=200, y=200)
switch = Node(type=NodeType.SWITCH, position=position)
response = core.add_node(session_id, switch)
switch_id = response.node_id
# handle events session may broadcast
session_id = response.session_id
core.events(session_id, log_event)
# create node one
position = Position(x=100, y=100)
n1 = Node(type=NodeType.DEFAULT, position=position, model="PC")
response = core.add_node(session_id, n1)
n1_id = response.node_id
# change session state to configuration so that nodes get started when added
response = core.set_session_state(session_id, SessionState.CONFIGURATION)
logging.info("set session state: %s", response)
# create node two
position = Position(x=300, y=100)
n2 = Node(type=NodeType.DEFAULT, position=position, model="PC")
response = core.add_node(session_id, n2)
n2_id = response.node_id
# create switch node
position = Position(x=200, y=200)
switch = Node(type=NodeType.SWITCH, position=position)
response = core.add_node(session_id, switch)
logging.info("created switch: %s", response)
switch_id = response.node_id
# links nodes to switch
iface1 = iface_helper.create_iface(n1_id, 0)
core.add_link(session_id, n1_id, switch_id, iface1)
iface1 = iface_helper.create_iface(n2_id, 0)
core.add_link(session_id, n2_id, switch_id, iface1)
# create node one
position = Position(x=100, y=100)
node1 = Node(type=NodeType.DEFAULT, position=position, model="PC")
response = core.add_node(session_id, node1)
logging.info("created node: %s", response)
node1_id = response.node_id
# create node two
position = Position(x=300, y=100)
node2 = Node(type=NodeType.DEFAULT, position=position, model="PC")
response = core.add_node(session_id, node2)
logging.info("created node: %s", response)
node2_id = response.node_id
# links nodes to switch
interface1 = interface_helper.create_iface(node1_id, 0)
response = core.add_link(session_id, node1_id, switch_id, interface1)
logging.info("created link: %s", response)
interface1 = interface_helper.create_iface(node2_id, 0)
response = core.add_link(session_id, node2_id, switch_id, interface1)
logging.info("created link: %s", response)
# change session state
response = core.set_session_state(session_id, SessionState.INSTANTIATION)
logging.info("set session state: %s", response)
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
main()
# change session state
core.set_session_state(session_id, SessionState.INSTANTIATION)

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"""
Example using gRPC API to create a simple wlan network.
"""
import logging
# required imports
from core.api.grpc import client
from core.api.grpc.core_pb2 import Node, NodeType, Position, SessionState
# interface helper
iface_helper = client.InterfaceHelper(ip4_prefix="10.0.0.0/24", ip6_prefix="2001::/64")
def log_event(event):
logging.info("event: %s", event)
# create grpc client and connect
core = client.CoreGrpcClient()
core.connect()
# create session and get id
response = core.create_session()
session_id = response.session_id
def main():
# helper to create interface addresses
interface_helper = client.InterfaceHelper(ip4_prefix="10.83.0.0/24")
# change session state to configuration so that nodes get started when added
core.set_session_state(session_id, SessionState.CONFIGURATION)
# create grpc client and start connection context, which auto closes connection
core = client.CoreGrpcClient()
with core.context_connect():
# create session
response = core.create_session()
logging.info("created session: %s", response)
# create wlan node
position = Position(x=200, y=200)
wlan = Node(type=NodeType.WIRELESS_LAN, position=position)
response = core.add_node(session_id, wlan)
wlan_id = response.node_id
# handle events session may broadcast
session_id = response.session_id
core.events(session_id, log_event)
# create node one
position = Position(x=100, y=100)
n1 = Node(type=NodeType.DEFAULT, position=position, model="mdr")
response = core.add_node(session_id, n1)
n1_id = response.node_id
# change session state to configuration so that nodes get started when added
response = core.set_session_state(session_id, SessionState.CONFIGURATION)
logging.info("set session state: %s", response)
# create node two
position = Position(x=300, y=100)
n2 = Node(type=NodeType.DEFAULT, position=position, model="mdr")
response = core.add_node(session_id, n2)
n2_id = response.node_id
# create wlan node
position = Position(x=200, y=200)
wlan = Node(type=NodeType.WIRELESS_LAN, position=position)
response = core.add_node(session_id, wlan)
logging.info("created wlan: %s", response)
wlan_id = response.node_id
# configure wlan using a dict mapping currently
# support values as strings
core.set_wlan_config(
session_id,
wlan_id,
{
"range": "280",
"bandwidth": "55000000",
"delay": "6000",
"jitter": "5",
"error": "5",
},
)
# change/configure wlan if desired
# NOTE: error = loss, and named this way for legacy purposes for now
config = {
"bandwidth": "54000000",
"range": "500",
"jitter": "0",
"delay": "5000",
"error": "0",
}
response = core.set_wlan_config(session_id, wlan_id, config)
logging.info("set wlan config: %s", response)
# links nodes to wlan
iface1 = iface_helper.create_iface(n1_id, 0)
core.add_link(session_id, n1_id, wlan_id, iface1)
iface1 = iface_helper.create_iface(n2_id, 0)
core.add_link(session_id, n2_id, wlan_id, iface1)
# create node one
position = Position(x=100, y=100)
node1 = Node(type=NodeType.DEFAULT, position=position)
response = core.add_node(session_id, node1)
logging.info("created node: %s", response)
node1_id = response.node_id
# create node two
position = Position(x=300, y=100)
node2 = Node(type=NodeType.DEFAULT, position=position)
response = core.add_node(session_id, node2)
logging.info("created node: %s", response)
node2_id = response.node_id
# links nodes to switch
interface1 = interface_helper.create_iface(node1_id, 0)
response = core.add_link(session_id, node1_id, wlan_id, interface1)
logging.info("created link: %s", response)
interface1 = interface_helper.create_iface(node2_id, 0)
response = core.add_link(session_id, node2_id, wlan_id, interface1)
logging.info("created link: %s", response)
# change session state
response = core.set_session_state(session_id, SessionState.INSTANTIATION)
logging.info("set session state: %s", response)
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
main()
# change session state
core.set_session_state(session_id, SessionState.INSTANTIATION)