core-extra/daemon/examples/grpc/large.py

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import logging
from core.api.grpc import client, core_pb2
def log_event(event):
logging.info("event: %s", event)
def main():
core = client.CoreGrpcClient()
with core.context_connect():
# create session
response = core.create_session()
session_id = response.session_id
logging.info("created session: %s", response)
# create nodes for session
nodes = []
position = core_pb2.Position(x=50, y=100)
switch = core_pb2.Node(id=1, type=core_pb2.NodeType.SWITCH, position=position)
nodes.append(switch)
for i in range(2, 50):
position = core_pb2.Position(x=50 + 50 * i, y=50)
node = core_pb2.Node(id=i, position=position, model="PC")
nodes.append(node)
# start session
links = []
response = core.start_session(session_id, nodes, links)
logging.info("started session: %s", response)
# handle events session may broadcast
# core.events(session_id, log_event)
# change session state
# response = core.set_session_state(
# session_id, core_pb2.SessionState.CONFIGURATION
# )
# logging.info("set session state: %s", response)
# create switch node
# switch = core_pb2.Node(type=core_pb2.NodeType.SWITCH)
# response = core.add_node(session_id, switch)
# logging.info("created switch: %s", response)
# switch_id = response.node_id
# helper to create interfaces
# interface_helper = client.InterfaceHelper(ip4_prefix="10.83.0.0/16")
#
# for i in range(2):
# # create node
# position = core_pb2.Position(x=50 + 50 * i, y=50)
# node = core_pb2.Node(position=position)
# response = core.add_node(session_id, node)
# logging.info("created node: %s", response)
# node_id = response.node_id
#
# # create link
# interface_one = interface_helper.create_interface(node_id, 0)
# response = core.add_link(session_id, node_id, switch_id, interface_one)
# logging.info("created link: %s", response)
# change session state
# response = core.set_session_state(
# session_id, core_pb2.SessionState.INSTANTIATION
# )
# logging.info("set session state: %s", response)
if __name__ == "__main__":
logging.basicConfig(level=logging.DEBUG)
main()