def _readmsg(conn):
data = yield conn.readline(SENTINEL)
if data is None or SENTINEL not in data:
# `data` can be None because of a questionable decision in
# bluelet to return None from a socket operation when it raises
# an exception. I should fix this sometime.
yield bluelet.end() # Socket closed.
data = data[:-len(SENTINEL)]
obj = _msg_deser(data)
yield bluelet.end(obj)
def _readmsg(conn):
data = yield conn.readline(SENTINEL)
if data is None or SENTINEL not in data:
# `data` can be None because of a questionable decision in
# bluelet to return None from a socket operation when it raises
# an exception. I should fix this sometime.
yield bluelet.end() # Socket closed.
data = data[:-len(SENTINEL)]
obj = _msg_deser(data)
yield bluelet.end(obj)
def child():
print 'Child started.'
yield bluelet.null()
print 'Child resumed.'
yield bluelet.null()
print 'Child ending.'
yield bluelet.end(42)
def fetch(cls, url):
"""Fetch content from an HTTP URL. This is a coroutine suitable
for yielding to bluelet.
"""
client = cls.from_url(url)
yield client._connect()
yield client._request()
status, headers, body = yield client._read()
yield bluelet.end(body)
def fetch(cls, url):
"""Fetch content from an HTTP URL. This is a coroutine suitable
for yielding to bluelet.
"""
client = cls.from_url(url)
yield client._connect()
yield client._request()
status, headers, body = yield client._read()
yield bluelet.end(body)
def scheduler(self):
while self.run:
if not self.pipe.poll():
yield bluelet.null()
if self.run_scheduling:
if len(self.engines_idle) > 0 and len(self.jobs_idle) > 0:
yield bluelet.spawn(self.schedule_job())
else:
recv = self.pipe.recv()
BCK.__dict__[recv[0]](self, *recv[1:])
yield bluelet.end()
def schedule_job(self):
unlucky = self.engines_idle.pop()
self.engines_executing.append(unlucky)
_,lucky = self.jobs_idle.popitem()
lucky.engine_id = unlucky.id # assignment must happen before reinsertion
self.jobs_executing[lucky.id] = lucky
yield bluelet.call(unlucky.start_job(lucky.id))
# print('job finished: %s' % ('\n'.join(self.jobs_executing[lucky.id].output_queue)))
self.jobs_finished[lucky.id] = self.jobs_executing[lucky.id]
# print('job finished: %s' % ('\n'.join(self.jobs_finished[lucky.id].output_queue)))
del self.jobs_executing[lucky.id]
unlucky.executing_job = None
self.engines_executing.remove(unlucky)
self.engines_idle.append(unlucky)
yield bluelet.end()
def channel(port=4915):
# Create a pair of connected sockets.
connections = [None, None]
listener = bluelet.Listener('127.0.0.1', port)
def listen():
connections[0] = yield listener.accept() # Avoiding nonlocal.
listen_thread = listen()
yield bluelet.spawn(listen_thread)
connections[1] = yield bluelet.connect('127.0.0.1', port)
yield bluelet.join(listen_thread)
# Wrap sockets in Endpoints.
sentinel = uuid.uuid4().bytes # Somewhat hacky...
yield bluelet.end((Endpoint(connections[0], sentinel),
Endpoint(connections[1], sentinel)))
def channel(port=4915):
# Create a pair of connected sockets.
connections = [None, None]
listener = bluelet.Listener('127.0.0.1', port)
def listen():
connections[0] = yield listener.accept() # Avoiding nonlocal.
listen_thread = listen()
yield bluelet.spawn(listen_thread)
connections[1] = yield bluelet.connect('127.0.0.1', port)
yield bluelet.join(listen_thread)
# Wrap sockets in Endpoints.
sentinel = uuid.uuid4().bytes # Somewhat hacky...
yield bluelet.end((Endpoint(connections[0], sentinel),
Endpoint(connections[1], sentinel)))
def _read(self):
buf = []
while True:
data = yield self.conn.recv(4096)
if not data:
break
buf.append(data)
response = ''.join(buf)
# Parse response.
headers, body = response.split("\r\n\r\n", 1)
headers = headers.split("\r\n")
status = headers.pop(0)
version, code, message = status.split(' ', 2)
headervals = {}
for header in headers:
key, value = header.split(": ")
headervals[key] = value
yield bluelet.end((int(code), headers, body))
def _read(self):
buf = []
while True:
data = yield self.conn.recv(4096)
if not data:
break
buf.append(data)
response = ''.join(buf)
# Parse response.
headers, body = response.split("\r\n\r\n", 1)
headers = headers.split("\r\n")
status = headers.pop(0)
version, code, message = status.split(' ', 2)
headervals = {}
for header in headers:
key, value = header.split(": ")
headervals[key] = value
yield bluelet.end((int(code), headers, body))
def func1(param):
yield bluelet.sleep(param)
yield bluelet.end(1)
def get(self):
data = yield self.conn.readline(self.sentinel)
data = data[:-len(self.sentinel)]
yield bluelet.end(pickle.loads(data))
def get(self):
data = yield self.conn.readline(self.sentinel)
data = data[:-len(self.sentinel)]
yield bluelet.end(pickle.loads(data))