def create_socket(host, port, blockSize=65536, timeout=NGAMS_SOCK_TIMEOUT_DEF):
global g_udt_started
global udt_start_lock
udt_start_lock.acquire()
try:
if (not g_udt_started):
udt4.startup()
g_udt_started = True
finally:
udt_start_lock.release()
print('create_client(%s, %s)' % (host, port))
socket = udt4.socket(socklib.AF_INET, socklib.SOCK_STREAM,
socklib.AI_PASSIVE)
#print "UDT_SNDTIMEO = %d" % udt4.getsockopt(socket, udt4.UDT_SNDTIMEO)
#print "UDT_RCVTIMEO = %d" % udt4.getsockopt(socket, udt4.UDT_RCVTIMEO)
#
# set sock options
#
if (not timeout or timeout < 0):
loc_timeout = NGAMS_SOCK_TIMEOUT_DEF
else:
loc_timeout = timeout
opts = [(udt4.UDP_SNDBUF, blockSize), (udt4.UDP_RCVBUF, blockSize),
(udt4.UDT_SNDTIMEO, loc_timeout)]
for opt in opts:
udt4.setsockopt(socket, opt[0], opt[1])
#print "UDT_SNDTIMEO = %d" % udt4.getsockopt(socket, udt4.UDT_SNDTIMEO)
#print "UDT_RCVTIMEO = %d" % udt4.getsockopt(socket, udt4.UDT_RCVTIMEO)
#
#
# udt4.setsockopt(socket, udt4.UDP_SNDBUF,640000)
# udt4.setsockopt(socket, udt4.UDP_RCVBUF,640000)
#
#print "UDP_SNDBUF = %d" % udt4.getsockopt(socket, udt4.UDP_SNDBUF)
#print "UDP_RCVBUF = %d" % udt4.getsockopt(socket, udt4.UDP_RCVBUF)
# udt4.setsockopt(socket, udt4.UDT_SNDBUF,64)
# udt4.setsockopt(socket, udt4.UDT_RCVBUF,64)
localhost = '146.118.84.66'
udt4.bind(socket, localhost, port)
#print('connecting client')
udt4.connect(socket, host, port)
# try:
# udt4.connect(socket, host, port)
# except Exception as err:
# #print('Exception: %s' % err)
# raise err
#print "%s ---------" % str(socket.UDTSOCKET)
return socket
def create_server(host, port):
print('create_server(%s, %s)' % (host, port))
global server
socket = udt4.socket(
socklib.AF_INET,
(socklib.SOCK_STREAM, socklib.SOCK_DGRAM)[mode == 'DGRAM'],
socklib.AI_PASSIVE
)
print(
('socklib.SOCK_STREAM', 'socklib.SOCK_DGRAM')[mode == 'DGRAM']
)
#
# set sock options
#
opts = [ (udt4.UDT_SNDBUF , 64 * 1024),
(udt4.UDT_RCVBUF , 64 * 1024),
(udt4.UDT_REUSEADDR, True )
]
for opt in opts:
udt4.setsockopt(socket, opt[0], opt[1])
udt4.bind(socket, host, port)
udt4.listen(socket, 10)
server = socket
return True
def setsockopt(self, option, value):
"""
:param option Intrinsic class constant ie: pyudt4.UDT_RCVBUF
:type option int()
:param value Variable type value.
:type value bool(), int(), long(), or tuple()
Sets a socket option to the specified type.
"""
udt4.setsockopt(self.__sock, option, value)
def setsockopt(self, option, value):
"""
:param option Intrinsic class constant ie: pyudt4.UDT_RCVBUF
:type option int()
:param value Variable type value.
:type value bool(), int(), long(), or tuple()
Sets a socket option to the specified type.
"""
udt4.setsockopt(self.__sock, option, value)