def test_socketpair(self):
server, client = socketpair()
self.assertEqual(client.send(b"ciao"), 4)
self.assertEqual(server.recv(io.DEFAULT_BUFFER_SIZE), b"ciao")
self.assertEqual(server.send(b"ciao a te"), 9)
self.assertEqual(client.recv(io.DEFAULT_BUFFER_SIZE), b"ciao a te")
close_socket(server)
self.assertTrue(is_socket_closed(server))
self.assertTrue(is_socket_closed(None))
def test_socketpair(self):
server, client = socketpair()
self.assertEqual(client.send(b'ciao'), 4)
self.assertEqual(server.recv(io.DEFAULT_BUFFER_SIZE), b'ciao')
self.assertEqual(server.send(b'ciao a te'), 9)
self.assertEqual(client.recv(io.DEFAULT_BUFFER_SIZE), b'ciao a te')
close_socket(server)
self.assertTrue(is_socket_closed(server))
self.assertTrue(is_socket_closed(None))
def get_or_create_connection(self, client, connection=None):
'''Get or create a new connection for ``client``.
If a ``connection`` is given and either
* the connection is in the set of available connections
* the connection is in the set of concurrent connections but without
a protocol consumer
then it is chosen ahead of others in the pool.
'''
stale_connections = []
with self.lock:
if connection:
if connection in self._available_connections:
self._available_connections.remove(connection)
elif not (connection in self._concurrent_connections and
connection.current_consumer is None):
connection = None
if connection:
sock = connection.sock
closed = is_socket_closed(sock)
if closed:
if sock:
stale_connections.append(connection)
connection = None
else:
self._concurrent_connections.add(connection)
if not connection:
try:
closed = True
while closed:
connection = self._available_connections.pop()
sock = connection.sock
closed = is_socket_closed(sock)
if closed and sock:
stale_connections.append(connection)
except KeyError:
connection = None
else:
# we have a connection, lets added it to the concurrent set
self._concurrent_connections.add(connection)
for sc in stale_connections:
sc.transport.close()
if connection is None:
# build the new connection
connection = self.new_connection(client.consumer_factory,
producer=client)
return connection
def get_or_create_connection(self, client, connection=None):
'''Get or create a new connection for ``client``.
If a ``connection`` is given and either
* the connection is in the set of available connections
* the connection is in the set of concurrent connections but without
a protocol consumer
then it is chosen ahead of others in the pool.
'''
stale_connections = []
with self.lock:
if connection:
if connection in self._available_connections:
self._available_connections.remove(connection)
elif not (connection in self._concurrent_connections and
connection.current_consumer is None):
connection = None
if connection:
sock = connection.sock
closed = is_socket_closed(sock)
if closed:
if sock:
stale_connections.append(connection)
connection = None
else:
self._concurrent_connections.add(connection)
if not connection:
try:
closed = True
while closed:
connection = self._available_connections.pop()
sock = connection.sock
closed = is_socket_closed(sock)
if closed and sock:
stale_connections.append(connection)
except KeyError:
connection = None
else:
# we have a connection, lets added it to the concurrent set
self._concurrent_connections.add(connection)
for sc in stale_connections:
sc.transport.close()
if connection is None:
# build the new connection
connection = self.new_connection(client.consumer_factory,
producer=client)
return connection
def _get(self):
queue = self._queue
# grab the connection without waiting, important!
if queue.qsize():
connection = queue.get_nowait()
# wait for one to be available
elif self.in_use + self._connecting >= queue._maxsize:
if self._timeout:
connection = yield future_timeout(queue.get(), self._timeout)
else:
connection = yield queue.get()
else: # must create a new connection
self._connecting += 1
try:
connection = yield self._creator()
finally:
self._connecting -= 1
# None signal that a connection was removed form the queue
# Go again
if connection is None:
connection = yield self._get()
else:
if is_socket_closed(connection.sock):
connection.close()
connection = yield self._get()
else:
self._in_use_connections.add(connection)
coroutine_return(connection)
def test_echo_serve(self):
loop = get_event_loop()
server = TcpServer(loop, '127.0.0.1', 0, EchoServerProtocol)
yield server.start_serving()
sock = server.sock
fn = sock.fileno()
self.assertFalse(is_socket_closed(sock))
client = Echo()
address = sock.getsockname()
result = yield client.request(address, b'Hello!')
self.assertEqual(result, b'Hello!')
self.assertEqual(server.concurrent_connections, 1)
result = yield client.request(address, b'ciao')
self.assertEqual(result, b'ciao')
self.assertEqual(server.concurrent_connections, 1)
yield server.stop_serving()
yield async_while(3, lambda: not is_socket_closed(sock))
self.assertTrue(is_socket_closed(sock))
def is_connection_closed(self, connection):
try:
sock = connection.sock
except AttributeError:
return True
if is_socket_closed(sock):
connection.close()
return True
return False
def test_start_serving_ipv6(self):
loop = get_event_loop()
sockets = yield loop.start_serving(Protocol,'::1', 0)
self.assertEqual(len(sockets), 1)
sock = sockets[0]
self.assertEqual(sock.family, socket.AF_INET6)
address = sock.getsockname()
faddress = format_address(address)
self.assertEqual(faddress, '[::1]:%s' % address[1])
loop.stop_serving(sock)
self.assertTrue(is_socket_closed(sock))
def is_connection_closed(self, connection):
if not getattr(connection.transport, 'is_closing', call_false)():
try:
sock = connection.sock
except AttributeError:
return True
if is_socket_closed(sock):
connection.close()
return True
return False
return True
def is_connection_closed(self, connection):
if not getattr(connection.transport, 'is_closing', call_false)():
try:
sock = connection.sock
except AttributeError:
return True
if is_socket_closed(sock):
connection.close()
return True
return False
return True
def is_connection_closed(self, connection):
is_closing = getattr(connection.transport, 'is_closing', None)
if is_closing:
return is_closing()
else:
try:
sock = connection.sock
except AttributeError:
return True
if is_socket_closed(sock):
connection.close()
return True
return False
return True
def is_connection_closed(self, connection):
is_closing = getattr(connection.transport, 'is_closing', None)
if is_closing:
return is_closing()
else:
try:
sock = connection.sock
except AttributeError:
return True
if is_socket_closed(sock):
connection.close()
return True
return False
return True
def test_start_serving(self):
protocol_factory = lambda : Connection()
loop = get_event_loop()
sockets = yield loop.start_serving(server_protocol,'127.0.0.1', 0)
self.assertEqual(len(sockets), 1)
socket = sockets[0]
fn = socket.fileno()
events, read, write, error = loop.io.handlers(fn)
self.assertEqual(events, READ)
self.assertTrue(read)
self.assertFalse(write)
self.assertFalse(error)
loop.stop_serving(socket)
self.assertRaises(KeyError, loop.io.handlers, fn)
self.assertTrue(is_socket_closed(socket))
def is_connection_closed(self, connection):
if is_socket_closed(connection.sock):
connection.close()
return True
return False
def is_connection_closed(self, connection):
if is_socket_closed(connection.sock):
connection.close()
return True
return False
