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Implement notify feature

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Stuckinaboot 2019-02-28 18:18:58 -05:00 committed by stuckinaboot
parent f7d1bb3a89
commit 1ce8225c7d
1 changed files with 28 additions and 0 deletions
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28
libp2p/network/swarm.py
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@ -24,6 +24,9 @@ class Swarm(INetwork):
self.multiselect = Multiselect()
self.multiselect_client = MultiselectClient()
# Create Notifee array
self.notifees = []
# Create generic protocol handler
self.generic_protocol_handler = create_generic_protocol_handler(self)
@ -61,6 +64,7 @@ class Swarm(INetwork):
# set muxed connection equal to existing muxed connection
muxed_conn = self.connections[peer_id]
else:
# Dial peer (connection to peer does not yet exist)
# Transport dials peer (gets back a raw conn)
raw_conn = await self.transport.dial(multiaddr, self.self_id)
@ -70,6 +74,10 @@ class Swarm(INetwork):
# Store muxed connection in connections
self.connections[peer_id] = muxed_conn
# Call notifiers since event occurred
for notifee in self.notifees:
notifee.connected(self, muxed_conn)
return muxed_conn
async def new_stream(self, peer_id, protocol_ids):
@ -100,6 +108,10 @@ class Swarm(INetwork):
net_stream = NetStream(muxed_stream)
net_stream.set_protocol(selected_protocol)
# Call notifiers since event occurred
for notifee in self.notifees:
notifee.opened_stream(self, net_stream)
return net_stream
async def listen(self, *args):
@ -137,11 +149,20 @@ class Swarm(INetwork):
# Store muxed_conn with peer id
self.connections[peer_id] = muxed_conn
# Call notifiers since event occurred
for notifee in self.notifees:
notifee.connected(self, muxed_conn)
try:
# Success
listener = self.transport.create_listener(conn_handler)
self.listeners[str(multiaddr)] = listener
await listener.listen(multiaddr)
# Call notifiers since event occurred
for notifee in self.notifees:
notifee.listen(self, multiaddr)
return True
except IOError:
# Failed. Continue looping.
@ -150,6 +171,13 @@ class Swarm(INetwork):
# No multiaddr succeeded
return False
def notify(self, notifee):
"""
:param notifee: object implementing Notifee interface
"""
# TODO: Add check to ensure notifee conforms to Notifee interface
self.notifees.append(notifee)
def add_transport(self, transport):
# TODO: Support more than one transport
self.transport = transport