54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
from .network_interface import INetwork
|
|
from ..connection.muxed_connection import MuxedConnection
|
|
from ..connection.raw_connection import RawConnection
|
|
|
|
class Swarm(INetwork):
|
|
|
|
def __init__(self, my_peer_id, peer_store):
|
|
self.my_peer_id = my_peer_id
|
|
self.peer_store = peer_store
|
|
self.connections = {}
|
|
|
|
def set_stream_handler(self, stream_handler):
|
|
"""
|
|
:param stream_handler: a stream handler instance
|
|
:return: true if successful
|
|
"""
|
|
pass
|
|
|
|
def new_stream(self, peer_id, protocol_id):
|
|
"""
|
|
:param peer_id: peer_id of destination
|
|
:param protocol_id: protocol id
|
|
:return: stream instance
|
|
"""
|
|
|
|
"""
|
|
Determine if a connection to peer_id already exists
|
|
If a connection to peer_id exists, then
|
|
c = existing connection,
|
|
otherwise c = new muxed connection to peer_id
|
|
s = c.open_stream(protocol_id)
|
|
return s
|
|
"""
|
|
muxed_connection = None
|
|
if peer_id in self.connections:
|
|
muxed_connection = self.connections[peer_id]
|
|
else:
|
|
addrs = self.peer_store.addrs(peer_id)
|
|
ip = addrs.get_protocol_value("ip")
|
|
port = addrs.get_protocol_value("port")
|
|
if len(addrs) > 0:
|
|
conn = RawConnection(ip, port)
|
|
muxed_connection = MuxedConnection(conn, True)
|
|
else:
|
|
raise Exception("No IP and port in addr")
|
|
return muxed_connection.open_stream(protocol_id, "")
|
|
|
|
def listen(self, *args):
|
|
"""
|
|
:param *args: one or many multiaddrs to start listening on
|
|
:return: true if at least one success
|
|
"""
|
|
pass
|