On 2007-08-23, Hendrik van Rooyen <[EMAIL PROTECTED]> wrote:
> While doing a netstring implementation I noticed that if you
> build a record up using socket's recv(1), then when you close
> the remote end down, the recv(1) hangs,
I don't see that behavior running 2.4 on Gentoo.
> despite having a short time out of 0.1 set.
What time out? A socket's recv method doesn't do timeouts.
> If however, you try to receive more than one char, (I tested
> with 3, did not try 2), then when you shut the remote end down
> you do not get a time out, but an empty string - the normal
> end of file, I suppose.
>
> Has anybody else seen this behaviour?
No. recv(1) works fine for me (Python 2.4 under Gentoo).
Perhaps you could post a minimal example that doesn't work for
you?
------------------------------------------------------------------------
#!/usr/bin/python
#reader
import socket
HOST = '' # Symbolic name meaning the local host
PORT = 8765 # Arbitrary non-privileged port
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
s.listen(1)
conn, addr = s.accept()
print 'Connected by', addr
while 1:
data = conn.recv(1)
print "rx:",len(data)
if not data: break
conn.close()
------------------------------------------------------------------------
------------------------------------------------------------------------
#!/usr/bin/python
# writer
import socket,random
HOST = '' # Symbolic name meaning the local host
PORT = 8765 # Arbitrary non-privileged port
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((HOST, PORT))
print 'Connected to',((HOST,PORT))
for i in range(10):
data = "abcdefghijklmnopqrstuvwxyz"[:random.randint(1,20)]
s.send(data)
print "tx:",len(data)
conn.close()
------------------------------------------------------------------------
--
Grant Edwards grante Yow! Loni Anderson's hair
at should be LEGALIZED!!
visi.com
--
http://mail.python.org/mailman/listinfo/python-list
