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grpc doc improvements, grpc examples additions, small tweak to grpc client for setting emane models not requiring a config when using default configuration

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This commit is contained in:
Blake Harnden 2020-06-05 11:20:23 -07:00
parent 9a5fc94ba2
commit 75d5bced9c
7 changed files with 220 additions and 148 deletions
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57
daemon/examples/grpc/switch.py
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@ -1,6 +1,11 @@
"""
Example using gRPC API to create a simple switch network.
"""
import logging
from core.api.grpc import client, core_pb2
from core.api.grpc import client
from core.api.grpc.core_pb2 import Node, NodeType, Position, SessionState
def log_event(event):
@ -8,8 +13,11 @@ def log_event(event):
def main():
core = client.CoreGrpcClient()
# helper to create interface addresses
interface_helper = client.InterfaceHelper(ip4_prefix="10.83.0.0/24")
# create grpc client and start connection context, which auto closes connection
core = client.CoreGrpcClient()
with core.context_connect():
# create session
response = core.create_session()
@ -19,38 +27,41 @@ def main():
session_id = response.session_id
core.events(session_id, log_event)
# change session state
response = core.set_session_state(
session_id, core_pb2.SessionState.CONFIGURATION
)
# 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 switch node
switch = core_pb2.Node(type=core_pb2.NodeType.SWITCH)
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
# helper to create interfaces
interface_helper = client.InterfaceHelper(ip4_prefix="10.83.0.0/16")
# 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
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 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
# 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)
# links nodes to switch
interface_one = interface_helper.create_interface(node1_id, 0)
response = core.add_link(session_id, node1_id, switch_id, interface_one)
logging.info("created link: %s", response)
interface_one = interface_helper.create_interface(node2_id, 0)
response = core.add_link(session_id, node2_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
)
response = core.set_session_state(session_id, SessionState.INSTANTIATION)
logging.info("set session state: %s", response)