Broken pipe

[Chris Rebert]

On Thu, May 6, 2010 at 11:11 PM, Ron Eggler <ron.eggler 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.eggler 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.

You might consider reading the socket module docs:
http://docs.python.org/library/socket.html

Cheers,
Chris
--
http://blog.rebertia.com