def purge_connections(self):
if len(self.clientless_connections) > 0:
debug("Scanning for idle connections. %d connection(s) has "
"not completed the protocol hand shake." %
len(self.clientless_connections), LogCategory.PROTOCOL)
now = time.time()
failed = []
for conn in self.clientless_connections:
if conn.client_id is None or \
not self.sd.has_client(conn.client_id):
handshake_time = now - conn.connect_time
if handshake_time > MAX_HANDSHAKE_TIME:
failed.append((conn, handshake_time))
for conn, handshake_time in failed:
self.purge_connection(conn, handshake_time)
def sock_activate(self):
for source, sock in self.server_socks.items():
if self.max_clients_reached():
sock.finish()
source.update(0)
else:
batch_size = self.client_capacity_left()
if batch_size is None or batch_size > MAX_ACCEPT_BATCH:
batch_size = MAX_ACCEPT_BATCH
for i in range(batch_size):
try:
conn_sock = sock.accept()
self.update_source(source)
conn = Connection(self.sd, conn_sock, self.event_loop,
self, self.conn_handshake_completed,
self.conn_terminated)
self.clientless_connections.add(conn)
self.schedule_purge()
except xcm.error as e:
self.update_source(source)
if e.errno != errno.EAGAIN:
debug("Error accepting client: %s" % e,
LogCategory.PROTOCOL)
break
def orphan_timer_activate(self):
timed_out = self.sd.purge_orphans()
for orphan_id in timed_out:
debug("Timed out orphan service %x." % orphan_id, LogCategory.CORE)
self.orphan_timer.set_timeout(self.sd.next_orphan_timeout())
def purge_connection(self, conn, handshake_time):
debug(
"Dropping connection from %s since it failed to "
"finish the protocol handshake within %.1f s." %
(conn.conn_addr, MAX_HANDSHAKE_TIME), LogCategory.PROTOCOL)
conn.terminate()
