def service_time(self, host, control, time, task=None):
node = self.nodes.get(dispy._node_ipaddr(host), None)
if not node or not node._priv.auth:
raise StopIteration(-1)
sock = AsyncSocket(socket.socket(node._priv.sock_family,
socket.SOCK_STREAM),
keyfile=self.keyfile,
certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(node._priv.auth)
yield sock.send_msg('SERVICE_TIME:'.encode() +
serialize({
'control': control,
'time': time
}))
resp = yield sock.recv_msg()
info = deserialize(resp)
node.service_start = info['service_start']
node.service_stop = info['service_stop']
node.service_end = info['service_end']
resp = 0
except Exception:
resp = -1
sock.close()
if resp:
dispy.logger.debug('Setting service %s time of %s to %s failed',
control, host, time)
raise StopIteration(resp)
def serve_clients(self, host, serve, task=None):
node = self.nodes.get(dispy._node_ipaddr(host), None)
if not node or not node._priv.auth:
raise StopIteration(-1)
sock = AsyncSocket(socket.socket(node._priv.sock_family,
socket.SOCK_STREAM),
keyfile=self.keyfile,
certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(node._priv.auth)
yield sock.send_msg('SERVE_CLIENTS:'.encode() +
serialize({'serve': serve}))
resp = yield sock.recv_msg()
info = deserialize(resp)
node.serve = info['serve']
resp = 0
except Exception:
dispy.logger.debug('Setting serve clients %s to %s failed', host,
serve)
resp = -1
finally:
sock.close()
raise StopIteration(resp)
def relay_msg(msg, task=None):
relay = {'ip_addrs': self.scheduler_ip_addr, 'port': self.scheduler_port,
'version': __version__}
relay['relay'] = 'y'
sock = AsyncSocket(socket.socket(addrinfo.family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(dispy.MsgTimeout)
yield sock.connect((msg['ip_addr'], msg['port']))
yield sock.sendall(dispy.auth_code(self.secret, msg['sign']))
yield sock.send_msg('PING:'.encode() + serialize(relay))
sock.close()
def relay_msg(msg, task=None):
relay = {'ip_addrs': self.scheduler_ip_addr, 'port': self.scheduler_port,
'version': __version__}
relay['relay'] = 'y'
sock = AsyncSocket(socket.socket(addrinfo.family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(dispy.MsgTimeout)
yield sock.connect((msg['ip_addr'], msg['port']))
yield sock.sendall(dispy.auth_code(self.secret, msg['sign']))
yield sock.send_msg('PING:'.encode() + serialize(relay))
sock.close()
def verify_broadcast(self, addrinfo, msg, task=None):
if msg.get('relay', None):
raise StopIteration
msg['relay'] = 'y'
# TODO: check if current scheduler is done with nodes?
if msg['sign']:
msg['auth'] = dispy.auth_code(self.secret, msg['sign'])
reply = None
for scheduler_ip_addr in msg['ip_addrs']:
msg['scheduler_ip_addr'] = scheduler_ip_addr
sock = AsyncSocket(socket.socket(addrinfo.family,
socket.SOCK_STREAM),
keyfile=self.keyfile,
certfile=self.certfile)
sock.settimeout(dispy.MsgTimeout)
try:
yield sock.connect((scheduler_ip_addr, msg['port']))
yield sock.send_msg('RELAY_INFO:'.encode() + serialize(msg))
reply = yield sock.recv_msg()
reply = deserialize(reply)
except:
continue
else:
break
finally:
sock.close()
if not reply:
raise StopIteration
# TODO: since dispynetrelay is not aware of computations closing, if
# more than one client sends ping, nodes will respond to different
# clients
self.scheduler_ip_addr = reply['ip_addrs'] = [scheduler_ip_addr]
self.scheduler_port = reply['port']
bc_sock = AsyncSocket(socket.socket(addrinfo.family,
socket.SOCK_DGRAM))
ttl_bin = struct.pack('@i', 1)
if addrinfo.family == socket.AF_INET:
if self.ipv4_udp_multicast:
bc_sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL,
ttl_bin)
else:
bc_sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
else: # addrinfo.family == socket.AF_INET6
bc_sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS,
ttl_bin)
bc_sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF,
addrinfo.ifn)
bc_sock.bind((addrinfo.ip, 0))
yield bc_sock.sendto('PING:'.encode() + serialize(msg),
(addrinfo.broadcast, self.node_port))
bc_sock.close()
def verify_broadcast(self, addrinfo, msg, task=None):
if msg.get('relay', None):
raise StopIteration
msg['relay'] = 'y'
# TODO: check if current scheduler is done with nodes?
if msg['sign']:
msg['auth'] = dispy.auth_code(self.secret, msg['sign'])
reply = None
for scheduler_ip_addr in msg['ip_addrs']:
msg['scheduler_ip_addr'] = scheduler_ip_addr
sock = AsyncSocket(socket.socket(addrinfo.family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(dispy.MsgTimeout)
try:
yield sock.connect((scheduler_ip_addr, msg['port']))
yield sock.send_msg('RELAY_INFO:'.encode() + serialize(msg))
reply = yield sock.recv_msg()
reply = deserialize(reply)
except Exception:
continue
else:
break
finally:
sock.close()
if not reply:
raise StopIteration
# TODO: since dispynetrelay is not aware of computations closing, if
# more than one client sends ping, nodes will respond to different
# clients
self.scheduler_ip_addr = reply['ip_addrs'] = [scheduler_ip_addr]
self.scheduler_port = reply['port']
bc_sock = AsyncSocket(socket.socket(addrinfo.family, socket.SOCK_DGRAM))
ttl_bin = struct.pack('@i', 1)
if addrinfo.family == socket.AF_INET:
if self.ipv4_udp_multicast:
bc_sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl_bin)
else:
bc_sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
else: # addrinfo.family == socket.AF_INET6
bc_sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, ttl_bin)
bc_sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, addrinfo.ifn)
bc_sock.bind((addrinfo.ip, 0))
yield bc_sock.sendto('PING:'.encode() + serialize(msg),
(addrinfo.broadcast, self.node_port))
bc_sock.close()
def update_node_info(self, node, task=None):
sock = AsyncSocket(socket.socket(node._priv.sock_family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(node._priv.auth)
yield sock.send_msg(b'NODE_STATUS:')
info = yield sock.recv_msg()
info = deserialize(info)
if isinstance(info, dict):
self.set_node_info(node, info)
except Exception:
# TODO: remove node if update is long ago?
pass
finally:
sock.close()
def update_node_info(self, node, task=None):
sock = AsyncSocket(socket.socket(node._priv.sock_family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(node._priv.auth)
yield sock.send_msg('NODE_STATUS:')
info = yield sock.recv_msg()
info = deserialize(info)
if isinstance(info, dict):
self.set_node_info(node, info)
except Exception:
logger.debug('Could not update node at %s:%s', node.ip_addr, node._priv.port)
# TODO: remove node if update is long ago?
finally:
sock.close()
def set_cpus(self, host, cpus, task=None):
node = self.nodes.get(host, None)
if not node or not node._priv.auth:
raise StopIteration(-1)
sock = AsyncSocket(socket.socket(node._priv.sock_family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(node._priv.auth)
yield sock.send_msg('SET_CPUS:'.encode() + serialize({'cpus': cpus}))
resp = yield sock.recv_msg()
info = deserialize(resp)
node.cpus = info['cpus']
except Exception:
dispy.logger.debug('Setting cpus of %s to %s failed', host, cpus)
raise StopIteration(-1)
else:
raise StopIteration(0)
finally:
sock.close()
def serve_clients(self, host, serve, task=None):
node = self.nodes.get(dispy._node_ipaddr(host), None)
if not node or not node._priv.auth:
raise StopIteration(-1)
sock = AsyncSocket(socket.socket(node._priv.sock_family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(node._priv.auth)
yield sock.send_msg('SERVE_CLIENTS:' + serialize({'serve': serve}))
resp = yield sock.recv_msg()
info = deserialize(resp)
node.serve = info['serve']
resp = 0
except Exception:
dispy.logger.debug('Setting serve %s to %s failed', host, serve)
resp = -1
finally:
sock.close()
raise StopIteration(resp)
def set_cpus(self, host, cpus, task=None):
node = self.nodes.get(host, None)
if not node or not node._priv.auth:
raise StopIteration(-1)
sock = AsyncSocket(socket.socket(node._priv.sock_family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(node._priv.auth)
yield sock.send_msg('SET_CPUS:' + serialize({'cpus': cpus}))
resp = yield sock.recv_msg()
info = deserialize(resp)
node.cpus = info['cpus']
except Exception:
dispy.logger.debug('Setting cpus of %s to %s failed', host, cpus)
raise StopIteration(-1)
else:
raise StopIteration(0)
finally:
sock.close()
def get_node_info(self, node, task=None):
auth = node._priv.auth
if not auth:
auth = dispy.auth_code(self.secret, node._priv.sign)
sock = AsyncSocket(socket.socket(node._priv.sock_family,
socket.SOCK_STREAM),
keyfile=self.keyfile,
certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(auth)
yield sock.send_msg(b'NODE_INFO:' + serialize({'sign': self.sign}))
info = yield sock.recv_msg()
except Exception:
dispy.logger.debug('Could not get node information from %s:%s',
node.ip_addr, node._priv.port)
# dispy.logger.debug(traceback.format_exc())
raise StopIteration(-1)
finally:
sock.close()
try:
info = deserialize(info)
node.name = info['name']
node.cpus = info['cpus']
node.max_cpus = info['max_cpus']
except Exception:
sign = info.decode()
if node._priv.sign == sign:
node.update_time = time.time()
raise StopIteration(0)
else:
node._priv.sign = sign
ret = yield self.get_node_info(node, task=task)
raise StopIteration(ret)
else:
node._priv.auth = auth
self.set_node_info(node, info)
raise StopIteration(0)
def service_time(self, host, control, time, task=None):
node = self.nodes.get(dispy._node_ipaddr(host), None)
if not node or not node._priv.auth:
raise StopIteration(-1)
sock = AsyncSocket(socket.socket(node._priv.sock_family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(node._priv.auth)
yield sock.send_msg('SERVICE_TIME:' + serialize({'control': control, 'time': time}))
resp = yield sock.recv_msg()
info = deserialize(resp)
node.service_start = info['service_start']
node.service_stop = info['service_stop']
node.service_end = info['service_end']
resp = 0
except Exception:
resp = -1
sock.close()
if resp:
dispy.logger.debug('Setting service %s time of %s to %s failed', control, host, time)
raise StopIteration(resp)
def get_node_info(self, node, task=None):
auth = node._priv.auth
if not auth:
auth = dispy.auth_code(self.secret, node._priv.sign)
sock = AsyncSocket(socket.socket(node._priv.sock_family, socket.SOCK_STREAM),
keyfile=self.keyfile, certfile=self.certfile)
sock.settimeout(MsgTimeout)
try:
yield sock.connect((node.ip_addr, node._priv.port))
yield sock.sendall(auth)
yield sock.send_msg('NODE_INFO:' + serialize({'sign': self.sign}))
info = yield sock.recv_msg()
except Exception:
dispy.logger.debug('Could not get node information from %s:%s',
node.ip_addr, node._priv.port)
# dispy.logger.debug(traceback.format_exc())
raise StopIteration(-1)
finally:
sock.close()
try:
info = deserialize(info)
node.name = info['name']
node.cpus = info['cpus']
node.max_cpus = info['max_cpus']
except Exception:
sign = info.decode()
if node._priv.sign == sign:
node.update_time = time.time()
raise StopIteration(0)
else:
node._priv.sign = sign
raise StopIteration(yield self.get_node_info(node, task=task))
else:
node._priv.auth = auth
self.set_node_info(node, info)
raise StopIteration(0)
