def _handle_open_msg(self, conn, vns_msg):
# client wants to connect to some topology.
log.debug("open-msg: %s, %s" % (vns_msg.topo_id, vns_msg.vhost))
try:
conn.send(VNSHardwareInfo(self.interfaces))
except:
log.debug('interfaces not populated yet')
return
def handle_open_msg(self, conn, vns_msg):
dev = self.devsByName[vns_msg.vhost]
if (dev is None):
log.debug('interfaces for %s not populated yet' % (vns_msg.vhost))
return
self.devsByConn[conn] = dev
dev.conn = conn
conn.send(VNSHardwareInfo(dev.interfaces))
return
def _handle_open_msg(self, conn, vns_msg):
# client wants to connect to some topology.
log.debug("open-msg: %s, vhost:%s" % (vns_msg.topo_id, vns_msg.vhost))
self.srclients['%s' % vns_msg.vhost] = conn
self.srclients_reverse[conn] = '%s' % vns_msg.vhost
try:
conn.send(VNSHardwareInfo(self.interfaces['%s' % vns_msg.vhost]))
except:
log.debug('interfaces not populated yet')
return
def connect_client(self, client_conn, client_user, requested_name):
"""Called when a user tries to connect to a node in this topology.
Returns True if the requested node exists and the client was able to
connect to it. Otherwise it returns an error message."""
if self.permitted_clients is not None: # otherwise anyone can use it
if client_user not in self.permitted_clients:
return ConnectionReturn('%s is not authorized to use this topology' % client_user)
for n in self.nodes:
if n.name == requested_name:
self.clients[client_conn] = n
ret = n.connect(client_conn)
if ret.is_success():
client_conn.send(VNSHardwareInfo(n.interfaces))
fmt = 'client (%s) has connected to node %s on topology %d'
logging.info(fmt % (client_conn, n, self.id))
return ret
return ConnectionReturn('there is no node named %s' % requested_name)