Re: [squid-users] Getting config from running squid

You also need to suply the pid of the currently running Squid to gdb...

For example, if the pid is 4358 then you attach to this running Squid
with gdb by running

 gdb /u1/squid/bin/squid 4358

This is why I wrote the following in my previous message:

 gdb /path/to/squid pid_of_running_squid

Regards
Henrik

Wayne Bastow wrote:
>
> Henrik,
>
> I don't have any experience with gdb. I get the following when I try
> your suggestion:
>
> phobos:~$ gdb /u1/squid/bin/squid
> GNU gdb 4.18
> Copyright 1998 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show warranty" for details.
> This GDB was configured as "i686-pc-linux-gnulibc1"...
> (gdb) tbreak cachemgrStart
> Breakpoint 1 at 0x8057599: file cache_manager.c, line 199.
> (gdb) continue
> The program is not being run.
>
> Can you tell me what this means, please.
>
> Thanks,
> Wayne
>
> Henrik Nordstrom wrote:
>
> >The configuration can only be dumped via cachemgr if you have enabled
> >this in squid.conf.
> >
> >However, even if you have not enabled dumping of the configuration all
> >is not lost. You might be able to enable the config dump option by using
> >a debugger.
> >
> > gdb /path/to/squid pid_of_running_squid
> >
> > tbreak cachemgrStart
> > continue
> >
> > [send a request for config]
> > [gdb should stop in cachemgrStart]
> >
> > print cachemgrFindAction("config")
> > print $->flags.pw_req = 0
> >
> > continue
> >
> >Regards
> >Henrik
> >
> >
> >
> >Wayne Bastow wrote:
> >
> >
> >>Hi,
> >>
> >>I've done something stupid - overwrote my squid.conf and I don't have a
> >>backup anywhere. Squid is still running - I went into cachemgr interface
> >>and tried "Current Squid Configuration" link but I get "Invalid URL" -
> >>other items on the menu work. Is there some way of getting the
> >>configuration dumped?
> >>
> >>I've looked through the mailing lists and the FAQ but can't find the
> >>answer - also tried telnetting to 3128 and using a GET
> >>cache_object://phobos/config HTTP/1.0 - still get "Invalid URL".
> >>
> >>Thanks,
> >>Wayne
> >>
> >>
> >
> >
> >
Received on Mon Mar 24 2003 - 00:37:24 MST