Sockets: Sending/receiving arbitrary amounts of data
Doobee R. Tzeck
drt at un.bewaff.net
Tue May 1 10:57:04 CEST 2001
Greg Ewing <see at my.signature> writes:
> Neil Schemenauer wrote:
> > s = sock.recv(size)
> > if len(s) != size:
> > raise IOError, "short netstring read"
> That's not quite right, either, because sock.recv(size)
> may return before all size bytes have arrived. You
> need to put it in a loop, something like
> s = ""
> while len(s) < size:
> s1 = sock.recv(size - len(s))
> if s1 == "":
> raise IOError, "unexpected EOF on socket"
> s = s + s1
Comming from a C background I have written such code many
times. Considering Python is a high level Language I ask myself
if there shouldend be a way in Python to optionally shield the
user (programmer) from the hassle of handling of short socket
Crypto Anarchy: encryption, digital money, anonymous networks,
digital pseudonyms, zero knowledge, reputations, information markets,
black markets, collapse of governments, freedom.
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