Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!mips!ultra!ted
From: ted@ultra.com (Ted Schroeder)
Newsgroups: comp.protocols.tcp-ip
Subject: Re: Problem retrying "connect"
Keywords: connect, ULTRIX, tcp
Message-ID: <1990Aug30.181010.1428@ultra.com>
Date: 30 Aug 90 18:10:10 GMT
References: <1990Aug29.212123.12889@fs-1.iastate.edu>
Organization: Ultra Network Technologies
Lines: 33

In <1990Aug29.212123.12889@fs-1.iastate.edu> john@iastate.edu (Hascall John Paul) writes:

>Given the following code:

>	[... socket(), getservbyname(), sin <- values ...]

>        while (connect(s, &sin, sizeof(sin)) < 0) {
>		perror("connect");
>		if (++retry > RETRY) exit(1);
>		sleep(2);
>	}

>If the server (to which I am trying to connect) is not there, I get:

>	connect: Connection refused             <-- expected
>	connect: Invalid argument		<-- WHY??
>	    :
>	    :
>	connect: Invalid argument

>What am i forgetting here?

My manual page (SunOS 4.0.3c) says you get EINVAL when "namelen is not the size
of a valid address for the specified address family".  I'd guess
that the connect mucked up the sin somehow.

      Ted Schroeder                   ted@Ultra.com
      Ultra Network Technologies      ...!ames!ultra!ted
      101 Daggett Drive           
      San Jose, CA 95134          
      408-922-0100

Disclaimer:  I don't even believe what I say, why should my company?