On 2006-06-30, Martin Bürkle <[EMAIL PROTECTED]> wrote: > I have writen a programm using TCP sockets. After i get the > connection to another socket I cut the Ethernet cable. Then I > send a message. The program doesnt raise any exception. Can > somebody tell me why
Because send() has successfully passed the packet to the network stack. If you want to know whether the application on the other end received it, you need an application-layer protocol that acknowleges the data. > and give me a hint how to get an exception You can't -- unless you've enabled the keepalive option on the TCP connection and you've waited the requisite time after the cable is cut before sending your data (IIRC it takes a couple hours for an idle TCP connection to time out because of a link being down). TCP/IP is designed to be fault-tolerant. Temporary breaks in cables aren't supposed to cause failures. -- Grant Edwards grante Yow! I feel like I'm at in a Toilet Bowl with a visi.com thumbtack in my forehead!! -- http://mail.python.org/mailman/listinfo/python-list