def _create_remote_socket(self, ip, port):
if self._remote_udp:
addrs_v6 = socket.getaddrinfo("::", 0, 0, socket.SOCK_DGRAM, socket.SOL_UDP)
addrs = socket.getaddrinfo("0.0.0.0", 0, 0, socket.SOCK_DGRAM, socket.SOL_UDP)
else:
addrs = socket.getaddrinfo(ip, port, 0, socket.SOCK_STREAM, socket.SOL_TCP)
if len(addrs) == 0:
raise Exception("getaddrinfo failed for %s:%d" % (ip, port))
af, socktype, proto, canonname, sa = addrs[0]
if self._forbidden_iplist:
if common.to_str(sa[0]) in self._forbidden_iplist:
raise Exception('IP %s is in forbidden list, reject' %
common.to_str(sa[0]))
remote_sock = socket.socket(af, socktype, proto)
self._remote_sock = remote_sock
self._fd_to_handlers[remote_sock.fileno()] = self
if self._remote_udp:
af, socktype, proto, canonname, sa = addrs_v6[0]
remote_sock_v6 = socket.socket(af, socktype, proto)
self._remote_sock_v6 = remote_sock_v6
self._fd_to_handlers[remote_sock_v6.fileno()] = self
remote_sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 1024 * 32)
remote_sock.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1024 * 32)
remote_sock_v6.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 1024 * 32)
remote_sock_v6.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1024 * 32)
remote_sock.setblocking(False)
if self._remote_udp:
remote_sock_v6.setblocking(False)
else:
remote_sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)
return remote_sock
python类SO_SNDBUF的实例源码
def __init__(self, sock, control):
asyncore.dispatcher.__init__(self, sock)
if self.socket:
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 8192)
# self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, True)
self.set_reuse_addr()
self.control = control
self.port = control.port
def __init__(self, sock, control):
asyncore.dispatcher.__init__(self, sock)
if self.socket:
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 4096)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 4096)
self.set_reuse_addr()
self.control = control
self.port = control.port
self.out_buffer = []
if not self._repr:
self._repr = '<unbound>'
def __init__(self, type = ETH_P_ALL, filter=None, promisc=None, iface=None, nofilter=0):
self.type = type
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
_flush_fd(self.ins)
if iface:
self.ins.bind((iface, type))
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
if promisc is None:
promisc = conf.promisc
self.promisc = promisc
if self.promisc:
if iface is None:
self.iff = get_if_list()
else:
if iface.__class__ is list:
self.iff = iface
else:
self.iff = [iface]
for i in self.iff:
set_promisc(self.ins, i)
def __init__(self, iface = None, type = ETH_P_ALL, filter=None, nofilter=0):
if iface is None:
iface = conf.iface
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
_flush_fd(self.ins)
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter)
self.ins.bind((iface, type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = self.ins
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
sa_ll = self.outs.getsockname()
if sa_ll[3] in conf.l2types:
self.LL = conf.l2types[sa_ll[3]]
elif sa_ll[1] in conf.l3types:
self.LL = conf.l3types[sa_ll[1]]
else:
self.LL = conf.default_l2
warning("Unable to guess type (interface=%s protocol=%#x family=%i). Using %s" % (sa_ll[0],sa_ll[1],sa_ll[3],self.LL.name))
def __init__(self, type = ETH_P_ALL, filter=None, promisc=None, iface=None, nofilter=0):
self.type = type
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
if iface:
self.ins.bind((iface, type))
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter)
_flush_fd(self.ins)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
if promisc is None:
promisc = conf.promisc
self.promisc = promisc
if self.promisc:
if iface is None:
self.iff = get_if_list()
else:
if iface.__class__ is list:
self.iff = iface
else:
self.iff = [iface]
for i in self.iff:
set_promisc(self.ins, i)
def __init__(self, iface = None, type = ETH_P_ALL, filter=None, nofilter=0):
if iface is None:
iface = conf.iface
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter)
self.ins.bind((iface, type))
_flush_fd(self.ins)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = self.ins
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
sa_ll = self.outs.getsockname()
if sa_ll[3] in conf.l2types:
self.LL = conf.l2types[sa_ll[3]]
elif sa_ll[1] in conf.l3types:
self.LL = conf.l3types[sa_ll[1]]
else:
self.LL = conf.default_l2
warning("Unable to guess type (interface=%s protocol=%#x family=%i). Using %s" % (sa_ll[0],sa_ll[1],sa_ll[3],self.LL.name))
def run_client(cong_control, size=1024, address=(os.environ.get("MAHIMAHI_BASE") or "127.0.0.1"), port=5050):
"""Run the client."""
TCP_CONGESTION = 13
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.IPPROTO_TCP, TCP_CONGESTION, cong_control)
s.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 6553600)
debug_print("Client Connecting to: " + str(address) + ":" + str(port))
try:
s.connect((address, port))
except socket.error as msg:
debug_print_error("Cannot Connect: " + str(msg))
return
debug_print("Connection Established.")
# Generate a random message of SIZE a single time. Send this over and over.
msg = ''.join(random.choice(string.ascii_lowercase) for _ in range(size))
debug_print_verbose(msg)
msg_count = 1
# It can take different amount of time to send message depending on network
# configurations. Thus, log progress based on time intervals.
last_log_time_secs = time.time()
log_interval_secs = 5
debug_print("Client Starting Sending Messages...")
while True:
time_now_secs = time.time()
delta_secs = time_now_secs - last_log_time_secs
if (delta_secs > log_interval_secs):
debug_print("Sending Message #%d" % msg_count)
last_log_time_secs = time_now_secs
try:
s.send(msg)
except Exception as e:
debug_print_error("Socket Send Exception: " + str(e))
return
msg_count += 1
def __init__(self, sock=None, sockMap=None):
asyncore.dispatcher.__init__(self)
if sock is None:
if self.sockFamily is None:
raise error.CarrierError(
'Address family %s not supported' % self.__class__.__name__
)
if self.sockType is None:
raise error.CarrierError(
'Socket type %s not supported' % self.__class__.__name__
)
try:
sock = socket.socket(self.sockFamily, self.sockType)
except socket.error:
raise error.CarrierError('socket() failed: %s' % sys.exc_info()[1])
try:
for b in socket.SO_RCVBUF, socket.SO_SNDBUF:
bsize = sock.getsockopt(socket.SOL_SOCKET, b)
if bsize < self.bufferSize:
sock.setsockopt(socket.SOL_SOCKET, b, self.bufferSize)
debug.logger & debug.flagIO and debug.logger('%s: socket %d buffer size increased from %d to %d for buffer %d' % (self.__class__.__name__, sock.fileno(), bsize, self.bufferSize, b))
except Exception:
debug.logger & debug.flagIO and debug.logger('%s: socket buffer size option mangling failure for buffer: %s' % (self.__class__.__name__, sys.exc_info()[1]))
# The socket map is managed by the AsyncoreDispatcher on
# which this transport is registered. Here we just prepare
# socket and postpone transport registration at dispatcher
# till AsyncoreDispatcher invokes registerSocket()
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setblocking(0)
self.set_socket(sock)
def __init__(self, type = ETH_P_ALL, filter=None, promisc=None, iface=None, nofilter=0):
self.type = type
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
if iface:
self.ins.bind((iface, type))
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter, iface)
_flush_fd(self.ins)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
self.promisc = conf.promisc if promisc is None else promisc
if self.promisc:
if iface is None:
self.iff = get_if_list()
else:
if iface.__class__ is list:
self.iff = iface
else:
self.iff = [iface]
for i in self.iff:
set_promisc(self.ins, i)
def __init__(self, iface=None, type=ETH_P_ALL, promisc=None, filter=None, nofilter=0):
self.iface = conf.iface if iface is None else iface
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter, iface)
self.promisc = conf.sniff_promisc if promisc is None else promisc
if self.promisc:
set_promisc(self.ins, self.iface)
self.ins.bind((self.iface, type))
_flush_fd(self.ins)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = self.ins
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
sa_ll = self.outs.getsockname()
if sa_ll[3] in conf.l2types:
self.LL = conf.l2types[sa_ll[3]]
elif sa_ll[1] in conf.l3types:
self.LL = conf.l3types[sa_ll[1]]
else:
self.LL = conf.default_l2
warning("Unable to guess type (interface=%s protocol=%#x family=%i). Using %s" % (sa_ll[0],sa_ll[1],sa_ll[3],self.LL.name))
def __init__(self, type = ETH_P_ALL, filter=None, promisc=None, iface=None, nofilter=0):
self.type = type
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
_flush_fd(self.ins)
if iface:
self.ins.bind((iface, type))
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
if promisc is None:
promisc = conf.promisc
self.promisc = promisc
if self.promisc:
if iface is None:
self.iff = get_if_list()
else:
if iface.__class__ is list:
self.iff = iface
else:
self.iff = [iface]
for i in self.iff:
set_promisc(self.ins, i)
def __init__(self, iface = None, type = ETH_P_ALL, filter=None, nofilter=0):
if iface is None:
iface = conf.iface
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
_flush_fd(self.ins)
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter)
self.ins.bind((iface, type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = self.ins
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
sa_ll = self.outs.getsockname()
if sa_ll[3] in conf.l2types:
self.LL = conf.l2types[sa_ll[3]]
elif sa_ll[1] in conf.l3types:
self.LL = conf.l3types[sa_ll[1]]
else:
self.LL = conf.default_l2
warning("Unable to guess type (interface=%s protocol=%#x family=%i). Using %s" % (sa_ll[0],sa_ll[1],sa_ll[3],self.LL.name))
def __init__(self, type = ETH_P_ALL, filter=None, promisc=None, iface=None, nofilter=0):
self.type = type
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
_flush_fd(self.ins)
if iface:
self.ins.bind((iface, type))
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
if promisc is None:
promisc = conf.promisc
self.promisc = promisc
if self.promisc:
if iface is None:
self.iff = get_if_list()
else:
if iface.__class__ is list:
self.iff = iface
else:
self.iff = [iface]
for i in self.iff:
set_promisc(self.ins, i)
def __init__(self, iface = None, type = ETH_P_ALL, filter=None, nofilter=0):
if iface is None:
iface = conf.iface
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
_flush_fd(self.ins)
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter)
self.ins.bind((iface, type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = self.ins
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
sa_ll = self.outs.getsockname()
if sa_ll[3] in conf.l2types:
self.LL = conf.l2types[sa_ll[3]]
elif sa_ll[1] in conf.l3types:
self.LL = conf.l3types[sa_ll[1]]
else:
self.LL = conf.default_l2
warning("Unable to guess type (interface=%s protocol=%#x family=%i). Using %s" % (sa_ll[0],sa_ll[1],sa_ll[3],self.LL.name))
def __init__(self, type = ETH_P_ALL, filter=None, promisc=None, iface=None, nofilter=0):
self.type = type
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
if iface:
self.ins.bind((iface, type))
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter, iface)
_flush_fd(self.ins)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
self.promisc = conf.promisc if promisc is None else promisc
if self.promisc:
if iface is None:
self.iff = get_if_list()
else:
if iface.__class__ is list:
self.iff = iface
else:
self.iff = [iface]
for i in self.iff:
set_promisc(self.ins, i)
def __init__(self, iface=None, type=ETH_P_ALL, promisc=None, filter=None, nofilter=0):
self.iface = conf.iface if iface is None else iface
self.ins = socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(type))
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 0)
if not nofilter:
if conf.except_filter:
if filter:
filter = "(%s) and not (%s)" % (filter, conf.except_filter)
else:
filter = "not (%s)" % conf.except_filter
if filter is not None:
attach_filter(self.ins, filter, iface)
self.promisc = conf.sniff_promisc if promisc is None else promisc
if self.promisc:
set_promisc(self.ins, self.iface)
self.ins.bind((self.iface, type))
_flush_fd(self.ins)
self.ins.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 2**30)
self.outs = self.ins
self.outs.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 2**30)
sa_ll = self.outs.getsockname()
if sa_ll[3] in conf.l2types:
self.LL = conf.l2types[sa_ll[3]]
elif sa_ll[1] in conf.l3types:
self.LL = conf.l3types[sa_ll[1]]
else:
self.LL = conf.default_l2
warning("Unable to guess type (interface=%s protocol=%#x family=%i). Using %s" % (sa_ll[0],sa_ll[1],sa_ll[3],self.LL.name))
def _create_remote_socket(self, ip, port):
if self._remote_udp:
addrs_v6 = socket.getaddrinfo("::", 0, 0, socket.SOCK_DGRAM, socket.SOL_UDP)
addrs = socket.getaddrinfo("0.0.0.0", 0, 0, socket.SOCK_DGRAM, socket.SOL_UDP)
else:
addrs = socket.getaddrinfo(ip, port, 0, socket.SOCK_STREAM, socket.SOL_TCP)
if len(addrs) == 0:
raise Exception("getaddrinfo failed for %s:%d" % (ip, port))
af, socktype, proto, canonname, sa = addrs[0]
if self._forbidden_iplist:
if common.to_str(sa[0]) in self._forbidden_iplist:
raise Exception('IP %s is in forbidden list, reject' %
common.to_str(sa[0]))
remote_sock = socket.socket(af, socktype, proto)
self._remote_sock = remote_sock
self._fd_to_handlers[remote_sock.fileno()] = self
if self._remote_udp:
af, socktype, proto, canonname, sa = addrs_v6[0]
remote_sock_v6 = socket.socket(af, socktype, proto)
self._remote_sock_v6 = remote_sock_v6
self._fd_to_handlers[remote_sock_v6.fileno()] = self
remote_sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 1024 * 32)
remote_sock.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1024 * 32)
remote_sock_v6.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 1024 * 32)
remote_sock_v6.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1024 * 32)
remote_sock.setblocking(False)
if self._remote_udp:
remote_sock_v6.setblocking(False)
else:
remote_sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)
return remote_sock
def testSocketBufferSize(self):
bufsize = 16384
with socket.socket(socket.PF_RDS, socket.SOCK_SEQPACKET, 0) as s:
s.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, bufsize)
s.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, bufsize)
def _create_remote_socket(self, ip, port):
if self._remote_udp:
addrs_v6 = socket.getaddrinfo("::", 0, 0, socket.SOCK_DGRAM, socket.SOL_UDP)
addrs = socket.getaddrinfo("0.0.0.0", 0, 0, socket.SOCK_DGRAM, socket.SOL_UDP)
else:
addrs = socket.getaddrinfo(ip, port, 0, socket.SOCK_STREAM, socket.SOL_TCP)
if len(addrs) == 0:
raise Exception("getaddrinfo failed for %s:%d" % (ip, port))
af, socktype, proto, canonname, sa = addrs[0]
if self._forbidden_iplist:
if common.to_str(sa[0]) in self._forbidden_iplist:
raise Exception('IP %s is in forbidden list, reject' %
common.to_str(sa[0]))
remote_sock = socket.socket(af, socktype, proto)
self._remote_sock = remote_sock
self._fd_to_handlers[remote_sock.fileno()] = self
if self._remote_udp:
af, socktype, proto, canonname, sa = addrs_v6[0]
remote_sock_v6 = socket.socket(af, socktype, proto)
self._remote_sock_v6 = remote_sock_v6
self._fd_to_handlers[remote_sock_v6.fileno()] = self
remote_sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 1024 * 32)
remote_sock.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1024 * 32)
remote_sock_v6.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 1024 * 32)
remote_sock_v6.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, 1024 * 32)
remote_sock.setblocking(False)
if self._remote_udp:
remote_sock_v6.setblocking(False)
else:
remote_sock.setsockopt(socket.SOL_TCP, socket.TCP_NODELAY, 1)
return remote_sock
