class NetworkManager:
"""high level class managing clients and servers for each peer"""
def __init__(self):
self.client = ProfileClientFactory(self)
self.server = ProfileServerFactory(self)
self.peers = PeerManager(self.client.connect)
def start(self):
self.peers.start()
return self.server.start_listening()
def stop(self):
self.server.stop_listening()
self.peers.stop()
# calls from plugin ##############################################
def on_new_peer(self, peer):
"""tries to connect to new peer"""
self.peers.add_peer(peer.id_)
self.server.send_udp_message(peer.id_, MESSAGE_HELLO)
def on_change_peer(self, peer, service):
"""tries to connect to new peer"""
if self.peers.remote_ids.has_key(peer.id_):
self.peers.remote_ids[peer.id_].lose()
else:
log("on_change_peer. Unknow", peer.id_)
self.on_new_peer(peer)
def on_lost_peer(self, peer_id):
"""tries to connect to new peer"""
if self.peers.remote_ids.has_key(peer_id):
self.peers.remote_ids[peer_id].lose()
else:
log("on_lost_peer. Unknow", peer_id)
def on_service_data(self, peer_id, message):
"""demand to establish connection from peer that failed to
connect through TCP"""
if not self.peers.remote_ids.has_key(peer_id):
log("on_service_data. Unknow", peer_id, message)
self.peers.add_peer(peer_id)
else:
log("on_service_data", peer_id, message)
try:
message = Message.create_message(message)
if message.command != MESSAGE_HELLO:
SecurityAlert(peer_id,
"unvalid message '%s' from %s"\
% (str(message), peer_id))
else:
self.peers.set_peer(peer_id, message)
except ValueError, err:
SecurityAlert(peer_id, str(err))
def setUp(self):
# create manager with small timeout (not to slow down test)
self.manager = PeerManager(None)
self.manager.CHECKING_FREQUENCY = 0.2
self.manager.start()
# create default message
self.message = Message.create_message(
"HELLO 127.0.0.1:23501 data youpi")
def __init__(self):
self.client = ProfileClientFactory(self)
self.server = ProfileServerFactory(self)
self.peers = PeerManager(self.client.connect)
class PeerManagerTest(BaseTest):
def setUp(self):
# create manager with small timeout (not to slow down test)
self.manager = PeerManager(None)
self.manager.CHECKING_FREQUENCY = 0.2
self.manager.start()
# create default message
self.message = Message.create_message(
"HELLO 127.0.0.1:23501 data youpi")
def tearDown(self):
# stop manager
self.manager.stop()
def test_add_manager(self):
self.assert_no_peer()
self.manager.add_peer("toto")
self.manager.set_peer("toto", self.message)
self.assert_peer()
self.assertEquals(self.manager.remote_ids["toto"],
self.manager.remote_ips["127.0.0.1"])
def test_del_manager(self):
self.manager.add_peer("toto")
self.manager.set_peer("toto", self.message)
time.sleep(0.1)
self.manager._del_peer("toto")
self.assert_no_peer()
def test_lose_manager(self):
# add peer
self.manager.add_peer("toto")
self.manager.set_peer("toto", self.message)
# reduce timeout in order not to slow down test
self.manager.remote_ids["toto"].PEER_TIMEOUT = 0.5
# loose peer. it should be deleted after PEER_TIMEOUT
self.manager.remote_ids["toto"].lose()
self.assert_peer_lost()
time.sleep(1)
self.assert_no_peer()
