class Transport(object):
"""Exchange messages on channel."""
Receiver = Receiver
Transmitter = Transmitter
def __init__(self, loop, stream):
self.stream = stream
self.loop = loop
self._emitter = EventEmitter(loop)
self._receiver = self.Receiver(self.stream, self._emitter)
self._transmitter = self.Transmitter(self.stream, self._emitter)
def write(self, obj, callback=None, request_id=None):
self._transmitter.write(obj, callback, request_id)
def subscribe(self, listener):
self._emitter.subscribe("received", listener)
def unsubscribe(self, listener):
self._emitter.unsubscribe("received", listener)
def start(self):
self._receiver.start()
self._transmitter.start()
def stop(self):
self._transmitter.stop()
self._receiver.stop()
self._emitter.close()
class Transport(object):
"""Exchange messages on channel."""
Receiver = Receiver
Transmitter = Transmitter
def __init__(self, loop, incoming, outgoing):
self.loop = loop
self._emitter = EventEmitter(loop)
self._receiver = self.Receiver(incoming, self._emitter)
self._transmitter = self.Transmitter(outgoing, self._emitter)
def write(self, obj, callback=None, request_id=None):
self._transmitter.write(obj, callback, request_id)
def subscribe(self, listener):
self._emitter.subscribe('received', listener)
def unsubscribe(self, listener):
self._emitter.unsubscribe('received', listener)
def start(self):
self._receiver.start()
self._transmitter.start()
def stop(self):
self._transmitter.stop()
self._receiver.stop()
self._emitter.close()
class Stream(object):
"""Wrapper for plain file descriptor."""
def __init__(self, loop, fd):
self.loop = loop
self.channel = Pipe(loop)
self.fd = fd
self._emitter = EventEmitter(loop)
def start(self):
self._emitter.subscribe("WRITE", self._on_write)
self.channel.open(self.fd)
self.channel.start_read(self._on_read)
def write(self, data):
self._emitter.publish("WRITE", data)
def subscribe(self, listener):
self._emitter.subscribe('READ', listener)
def unsubscribe(self, listener):
self._emitter.unsubscribe('READ', listener)
def stop(self, all_events=False):
if self.channel.active:
self.channel.close()
if all_events:
self._emitter.close()
def _on_write(self, evtype, data):
self.channel.write(data)
def _on_read(self, handle, data, error):
if not data:
return
msg = dict(event='READ', data=data)
self._emitter.publish('READ', msg)
class Stream(object):
"""Wrapper for plain file descriptor."""
def __init__(self, loop, fd):
self.loop = loop
self.channel = Pipe(loop)
self.fd = fd
self._emitter = EventEmitter(loop)
def start(self):
self._emitter.subscribe("WRITE", self._on_write)
self.channel.open(self.fd)
self.channel.start_read(self._on_read)
def write(self, data):
self._emitter.publish("WRITE", data)
def subscribe(self, listener):
self._emitter.subscribe('READ', listener)
def unsubscribe(self, listener):
self._emitter.unsubscribe('READ', listener)
def stop(self, all_events=False):
if self.channel.active:
self.channel.close()
if all_events:
self._emitter.close()
def _on_write(self, evtype, data):
self.channel.write(data)
def _on_read(self, handle, data, error):
if not data:
return
msg = dict(event='READ', data=data)
self._emitter.publish('READ', msg)
