def __init__(self):
self._fd = AccrualFailureDetector()
self._gossiper = Gossiper(self._fd, self)
#self._gossiper.register_application_state_publisher(PhysMemoryMonitor()) #remove this line
#self._gossiper.register_application_state_publisher(CPUUtilizationMonitor()) #remove this line
self._streams = {}
self._seed=(options.seed.split(':'))
self._verb_handlers = {} #Lookup table for registering message handlers based on the verb
self._bind()
class MessagingService:
def __init__(self):
self._fd = AccrualFailureDetector()
self._gossiper = Gossiper(self._fd, self)
#self._gossiper.register_application_state_publisher(PhysMemoryMonitor()) #remove this line
#self._gossiper.register_application_state_publisher(CPUUtilizationMonitor()) #remove this line
self._streams = {}
self._seed=(options.seed.split(':'))
self._verb_handlers = {} #Lookup table for registering message handlers based on the verb
self._bind()
def _bind(self):
self._socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
flags = fcntl.fcntl(self._socket.fileno(), fcntl.F_GETFD)
flags |= fcntl.FD_CLOEXEC
fcntl.fcntl(self._socket.fileno(), fcntl.F_SETFD, flags)
self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self._socket.setblocking(0) #equivalent to s.settimeout(0.0);
host, port = options.address.split(":")
self._socket.bind(("0.0.0.0", int(port)))
self._socket.listen(128) #backlog
ioloop.IOLoop.instance().add_handler(self._socket.fileno(), self._handle_accept, ioloop.IOLoop.READ)
def _handle_accept(self, fd, events):
connection, address = self._socket.accept()
stream = IOStream(connection)
host = "%s:%d" % address #host = ":".join(str(i) for i in address)
self._streams[host] = stream
ccb = functools.partial(self._handle_close, host) #same as: cb = lambda : self._handle_close(host)
stream.set_close_callback(ccb)
stream.read_until("\r\n", functools.partial(self._handle_read, host))
def _handle_close(self, host):
print "handle close"
self._streams.pop(host)
def _handle_read(self, host, data):
self._gossiper.new_gossip(ast.literal_eval(data.rstrip()), host)
self._streams[host].read_until("\r\n", functools.partial(self._handle_read, host))
"""
def _connect_to_node(self, host, data=None):
def on_connect():
self._streams[host].read_until("\r\n", functools.partial(self._handle_read, host))
if data:
stream.write(data)
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)
stream = IOStream(sock)
print "connect to: %s" % host
address = host.split(':')
stream.connect(tuple((address[0], int(address[1]))), on_connect)
self._streams[host] = stream
stream.set_close_callback(functools.partial(self._handle_close, host))
except socket.error, e:
print "could not connect"
"""
def _connect_to_node(self, host, data=None):
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)
address = host.split(':')
sock.connect(tuple((address[0], int(address[1]))))
stream = IOStream(sock, io_loop=ioloop.IOLoop.instance())
self._streams[host] = stream
stream.set_close_callback(functools.partial(self._handle_close, host))
self._streams[host].read_until("\r\n", functools.partial(self._handle_read, host))
if data:
stream.write(data)
except socket.error, e:
a = 5
