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From:	Fabien Steinmetz <fabienst AT yahoo DOT fr>
To:	cygwin AT cygwin DOT com
Subject:	Re: dansguardian/cygwin and IPC/BSD sockets. Doesn't write to log (solved)
Date:	Sun, 13 Mar 2005 17:09:40 +0100
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References:	<200503131211 DOT 18527 DOT fabienst AT yahoo DOT fr>
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I managed to solve the problem.
In fact  I had __BSD defined, although it shouldn't have been. Undefining it 
solved the problem.

I apologize for habing begun that thread

Fabien

Le Dimanche 13 Mars 2005 12:11, Fabien Steinmetz a écrit :
> Hello,
>
> I'm trying to make dansguardian (www.danguardian.org v.2.8.0.4) run on
> Cygwin/WindowsXP.
> I modified the "configure" script so that dansguardian gets compiled.
> Currently everything works ok (i.e. filtering...), _except_ writing into
> the log file and the url cache.
>
> Dansguardian uses IPC and a pipe to write to files. From what I read in
> various mailing lists and forums, I understood that :
> - It should be possible to use the original code of the program writen for
> Linux/Posix and that cugwin would manage everything to make BSD sockets
> work on windows
> - Another solution would be to change the code of the program
> (dansguardian) and use winsock2 instead of BSD socket. Thus having a win32
> implementation of sockets. I would like to avoid rewriting (part of) the
> code.
>
> So as I read there still could be problems with the cygwin "implemantation"
> of BSD sockets I thought it would be a good place to report my issues here.
>
>
> Dansguardian reports the following errors (found in windows' journal)
> "Error connecting via ipc to log"
> "Error connecting via ipc to url cache"
>
> I had a look at the code of dansguardian to find where the issue comes
> from.
>
> I found that I have an errno 14 (ie EFAULT "Bad Address") in the following
> function of file "UDSocket.cpp". This occurs after calling 'connect
>
> ======= EXTRACT OF FILE "UDSocket.cpp" ==========
> int UDSocket::connect(const char* path) {  // to make a connection to a
> serv #ifdef DGDEBUG
>         std::cout << "uds connect:" << path << std::endl;
>     #endif
>     isused = true;
>     strcpy(my_adr_un.sun_path, path);
>     #ifdef __BSD
>     // __BSD IS NOT DEFINED IN MY CONFIG. SHOULD IT BE DEFINED ?
>         #ifdef SCM_RIGHTS     /* 4.3BSD Reno and later */
>             my_adr_un_length = sizeof(my_adr_un.sun_len) +
> sizeof(my_adr_un.sun_family) + strlen(my_adr_un.sun_path) + 1;
>             my_adr_un.sun_len = my_adr_un_length ;
>         #endif
>     #else
>         my_adr_un_length = sizeof(my_adr_un.sun_family) +
> strlen(my_adr_un.sun_path);
>     #endif
>     int ret_value = ::connect(sck_un, (struct sockaddr *) &my_adr_un,
> my_adr_un_length);
>     //HERE I HAVE ERRNO 14 !
>     //std::cout << "connect ret value:" << ret_value << std::endl;
>     //std::cout << "connect ret value errno:" << errno << std::endl;
>
>     return ret_value;
> }
> ======= EXTRACT OF FILE "UDSocket.cpp" ==========
>
> The output of function above is :
>   uds connect:/tmp/.dguardianipc
>   connect ret value:-1
>   connect ret value errno:14
>
>
> Any idea on why I have errno 14 and how to solve it ?
>
>
> My Config :
> - Cygwin 1.5.13-1 on windows XP (home or pro)
> - Squid NT 2.5.stable9
> (http://www.acmeconsulting.it/pagine/opensource/squid/squidnt25.htm)
> - The filesystem is NTFS and /tmp has the good permissions (1777)
>
>
> Thanks for your help.
>

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