import socket
import select
# several factors here we might want to test:
# 1) max we can create
# 2) max we can bind
# 3) max we can listen on
# 4) max we can connect
def max_server_sockets():
sl = []
while 1:
try:
s = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
s.bind (('',0))
s.listen(5)
sl.append (s)
except:
break
num = len(sl)
for s in sl:
s.close()
del sl
return num
def max_client_sockets():
# make a server socket
server = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
server.bind (('', 9999))
server.listen (5)
sl = []
while 1:
try:
s = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
s.connect (('', 9999))
conn, addr = server.accept()
sl.append ((s,conn))
except:
break
num = len(sl)
for s,c in sl:
s.close()
c.close()
del sl
return num
def max_select_sockets():
sl = []
while 1:
try:
num = len(sl)
for i in range(1 + len(sl) * 0.05):
# Increase exponentially.
s = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
s.bind (('',0))
s.listen(5)
sl.append (s)
select.select(sl,[],[],0)
except:
break
for s in sl:
s.close()
del sl
return num
|