class TCPListenPipe(TCPConnectPipe):
"""TCP listen on [addr:]port and use first connection as source and sink;
send peer address to high output
.. code::
+------^------+
>>-| +-[peer]-|->>
| / |
>-|-[addr:port]-|->
+-------------+
"""
__selectable_force_select__ = True
def __init__(self, addr="", port=0, name=None):
# type: (str, int, Optional[str]) -> None
TCPConnectPipe.__init__(self, addr, port, name)
self.connected = False
self.q = Queue()
def start(self):
# type: () -> None
self.connected = False
self.fd = socket.socket()
self.fd.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.fd.bind((self.addr, self.port))
self.fd.listen(1)
def push(self, msg):
# type: (Packet) -> None
if self.connected:
self.fd.send(msg)
else:
self.q.put(msg)
def deliver(self):
# type: () -> None
if self.connected:
try:
msg = self.fd.recv(65536)
except socket.error:
self.stop()
raise
if msg:
self._send(msg)
else:
fd, frm = self.fd.accept()
self._high_send(frm)
self.fd.close()
self.fd = fd
self.connected = True
self._trigger(frm)
while True:
try:
self.fd.send(self.q.get(block=False))
except Empty:
break
class TCPListenPipe(TCPConnectPipe):
"""TCP listen on [addr:]port and use first connection as source and sink ; send peer address to high output # noqa: E501
+------^------+
>>-| +-[peer]-|->>
| / |
>-|-[addr:port]-|->
+-------------+
"""
__selectable_force_select__ = True
def __init__(self, addr="", port=0, name=None):
TCPConnectPipe.__init__(self, addr, port, name)
self.connected = False
self.q = Queue()
def start(self):
self.connected = False
self.fd = socket.socket()
self.fd.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.fd.bind((self.addr, self.port))
self.fd.listen(1)
def push(self, msg):
if self.connected:
self.fd.send(msg)
else:
self.q.put(msg)
def deliver(self):
if self.connected:
try:
msg = self.fd.recv(65536)
except socket.error:
self.stop()
raise
if msg:
self._send(msg)
else:
fd, frm = self.fd.accept()
self._high_send(frm)
self.fd.close()
self.fd = fd
self.connected = True
self._trigger(frm)
while True:
try:
self.fd.send(self.q.get(block=False))
except Empty:
break
class TriggeredQueueingValve(Drain):
"""Let messages alternatively pass or queued, changing on trigger
.. code::
+------^-------+
>>-|-[pass/queue]-|->>
| | |
>-|-[pass/queue]-|->
+------^-------+
"""
def __init__(self, start_state=True, name=None):
# type: (bool, Optional[Any]) -> None
Drain.__init__(self, name=name)
self.opened = start_state
self.q = Queue()
def start(self):
# type: () -> None
self.q = Queue()
def push(self, msg):
# type: (str) -> None
if self.opened:
self._send(msg)
else:
self.q.put((True, msg))
def high_push(self, msg):
# type: (str) -> None
if self.opened:
self._send(msg)
else:
self.q.put((False, msg))
def on_trigger(self, msg):
# type: (bool) -> None
self.opened ^= True
self._trigger(msg)
while True:
try:
low, msg = self.q.get(block=False)
except Empty:
break
else:
if low:
self._send(msg)
else:
self._high_send(msg)
class TriggeredQueueingValve(Drain):
"""Let messages alternatively pass or queued, changing on trigger
+------^-------+
>>-|-[pass/queue]-|->>
| | |
>-|-[pass/queue]-|->
+------^-------+
"""
def __init__(self, start_state=True, name=None):
Drain.__init__(self, name=name)
self.opened = start_state
self.q = Queue()
def start(self):
self.q = Queue()
def push(self, msg):
if self.opened:
self._send(msg)
else:
self.q.put((True, msg))
def high_push(self, msg):
if self.opened:
self._send(msg)
else:
self.q.put((False, msg))
def on_trigger(self, msg):
self.opened ^= True
self._trigger(msg)
while True:
try:
low, msg = self.q.get(block=False)
except Empty:
break
else:
if low:
self._send(msg)
else:
self._high_send(msg)
class TCPListenPipe(TCPConnectPipe):
"""TCP listen on [addr:]port and use first connection as source and sink ; send peer address to high output
+------^------+
>>-| +-[peer]-|->>
| / |
>-|-[addr:port]-|->
+-------------+
"""
def __init__(self, addr="", port=0, name=None):
TCPConnectPipe.__init__(self, addr, port, name)
self.connected = False
self.q = Queue()
def start(self):
self.connected = False
self.fd = socket.socket()
self.fd.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.fd.bind((self.addr, self.port))
self.fd.listen(1)
def push(self, msg):
if self.connected:
self.fd.send(msg)
else:
self.q.put(msg)
def deliver(self):
if self.connected:
self._send(self.fd.recv(65536))
else:
fd, frm = self.fd.accept()
self._high_send(frm)
self.fd.close()
self.fd = fd
self.connected = True
self._trigger(frm)
while True:
try:
self.fd.send(self.q.get(block=False))
except Empty:
break
def start(self):
self.q = Queue()
def __init__(self, start_state=True, name=None):
Drain.__init__(self, name=name)
self.opened = start_state
self.q = Queue()
def __init__(self, addr="", port=0, name=None):
TCPConnectPipe.__init__(self, addr, port, name)
self.connected = False
self.q = Queue()
def start(self):
self.q = Queue()
def __init__(self, start_state=True, name=None):
Drain.__init__(self, name=name)
self.opened = start_state
self.q = Queue()
def __init__(self, addr="", port=0, name=None):
TCPConnectPipe.__init__(self, addr, port, name)
self.connected = False
self.q = Queue()
def start(self):
# type: () -> None
self.q = Queue()
def __init__(self, start_state=True, name=None):
# type: (bool, Optional[Any]) -> None
Drain.__init__(self, name=name)
self.opened = start_state
self.q = Queue()
def __init__(self, addr="", port=0, name=None):
# type: (str, int, Optional[str]) -> None
TCPConnectPipe.__init__(self, addr, port, name)
self.connected = False
self.q = Queue()