Broken pipe

[cerr]

On May 7, 9:45 am, Ron Eggler <ron.egg... at gmail.com> wrote:
> --
> Ron Eggler
> Suite# 1804
> 1122 Gilford St
> Vancouver, BC V6G 2P5
> Canada
> (778) 230-9442
>
>
>
>
>
> > On Thu, May 6, 2010 at 11:11 PM, Ron Eggler <ron.egg... at gmail.com> wrote:
> > > On May 6, 2010 10:37:14 pm Chris Rebert wrote:
> > >> On Thu, May 6, 2010 at 10:27 PM, cerr <ron.egg... at gmail.com> wrote:
> > >> > Hi There,
>
> > >> > I'm very new to Python and i wanna write a script that sends a certain
> > >> > string to a server. The code I came up with looks like this:
> > >> > #!/usr/bin/python
>
> > >> > import sys
> > >> > import string
>
> > >> > from socket import *
> > >> > usage="USAGE: "+sys.argv[0]+" <server> <port>";
> > >> > if len(sys.argv) != 3:
> > >> >              print usage;
> > >> >              sys.exit(0);
> > >> > host = sys.argv[1];
> > >> > port = sys.argv[2];
> > >> > buf = 1024;
> > >> > addr = (host,port);
> > >> > sock = socket(AF_INET, SOCK_STREAM);
> > >> > data = string.join("NovaxTest",'\n');
> > >> > sock.send(data);
> > >> > sock.close();
> > >> > and I'm calling this script like that: "./TestService.py 127.0.0.1
> > >> > 1514" but when I call it I get following back:
> > >> > sending data to 127.0.0.1:1514
> > >> > data: NovaxTest
> > >> > Traceback (most recent call last):
> > >> >  File "./TestService.py", line 18, in <module>
> > >> >    sock.send(data);
> > >> > socket.error: [Errno 32] Broken pipe
> > >> > I understand that UNIX sends an Errno32 if the server closes the
> > >> > connection. But if i telnet to localhost on 1514 and send NovaxTest by
> > >> > hand everything works just fine. So what might be wrong here?
>
> > >> You never called sock.connect(addr). Your code doesn't even use `addr`
> > >> at all.
>
> > > Oh, yeah, hOOps :$
>
> > <snip>
>
> > > Hm weird now I get something like:
> > > Traceback (most recent call last):
> > >  File "./TestService.py", line 14, in <module>
> > >    sock.connect((host,port))
> > >  File "<string>", line 1, in connect
> > > TypeError: an integer is required
>
> > <snip>
>
> > > What does that mean? :(
>
> > You never converted `port` to an int, it's still a string.
>
> port = int(sys.argv[2])
>
> doesn't seem to help it either :(
>
>
>
> > You might consider reading the socket module docs:
> >http://docs.python.org/library/socket.html
>
> mh, i browsed through it but didn't quite find what i'm looking for, do you
> have any more hints?
>
Ah, okay, I figured that out! I actually just needed to add a \n at
the end to signal the server that this is the end of the line. All
good now, thanks for your help!
--
Ron