err.no Git - varnish/log

]> err.no Git - varnish/log

phk [Tue, 7 Aug 2007 07:23:10 +0000 (07:23 +0000)]

Implement "error" action in vcl_fetch() and vcl_deliver()

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phk [Tue, 7 Aug 2007 06:55:52 +0000 (06:55 +0000)]

When vcl_miss() take error action, remember to discard backend request.

Ticket: 139

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phk [Mon, 6 Aug 2007 09:28:44 +0000 (09:28 +0000)]

Forgot an assert.

WS_Return() is now unused, comment it out.

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phk [Mon, 6 Aug 2007 09:25:20 +0000 (09:25 +0000)]

Rewrite the req.hash implmentation:

Instead of assembling the entire hash-string in the workspace, use
a scatter gather approach, hinted by the VCL compiler.

This eliminates the workspace reservation which prevented regsub() from
working in vcl_hash, and reduces the size of the necessary workspace a
fair bit as well, at the cost of a little bit of complexity in the
hash implmentations.

Closes ticket 137 and possibly 141

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phk [Mon, 6 Aug 2007 09:19:20 +0000 (09:19 +0000)]

Add piecemal crc32 function back, we will need it for the scatter/gather
hash string.

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phk [Mon, 6 Aug 2007 08:07:18 +0000 (08:07 +0000)]

Have the VCL compiler provide a hint about the worst case number of
operations on the req.hash variable.

It is only a hint, because it merely counts how many times the parser
saw something being added to the req.hash variable. If the operation
was in a subroutine which was called multiple times, the hint will not
reflect the number of actual operations.

For now we will deal with that at runtime, at the expense of a
failed transaction every time we run short. If this becomes an issue,
an extensive topological analysis of the VCL program can give us
a definitive count.

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phk [Sun, 5 Aug 2007 21:06:41 +0000 (21:06 +0000)]

Add comment to remind myself.

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phk [Sun, 5 Aug 2007 20:57:32 +0000 (20:57 +0000)]

vrt.h is not needed here.

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phk [Sun, 5 Aug 2007 20:57:20 +0000 (20:57 +0000)]

Add a missing return: we always return after detecting the first error.

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phk [Sun, 5 Aug 2007 20:47:16 +0000 (20:47 +0000)]

Add missing assert

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phk [Sun, 5 Aug 2007 20:26:09 +0000 (20:26 +0000)]

We need the math library on some systems.

Ticket 138

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phk [Sun, 5 Aug 2007 20:17:49 +0000 (20:17 +0000)]

Make the nonexistence of "nobody" and "nogroup" users and groups nonfatal

Ticket: 140

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phk [Sun, 5 Aug 2007 19:52:23 +0000 (19:52 +0000)]

Introduce a "replace()" function to replace a malloc'ed string.

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phk [Sun, 5 Aug 2007 19:37:44 +0000 (19:37 +0000)]

Synchronize the paramters after we call their accessor functions rather
than when we don't find one.

This makes changing runtime paramters work again, without the need to
ask for a nonexistent parameter to trigger the update.

Ticket: 136

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des [Fri, 3 Aug 2007 18:50:05 +0000 (18:50 +0000)]

Try harder to avoid integer overflows in cache file size calculations
on 32-bit platforms.

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des [Fri, 3 Aug 2007 18:46:43 +0000 (18:46 +0000)]

Synchronize these two files.

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des [Tue, 31 Jul 2007 06:06:28 +0000 (06:06 +0000)]

Fine-tune the vhost example.

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des [Mon, 30 Jul 2007 14:39:03 +0000 (14:39 +0000)]

Note that MAX_IOVS is intentionally not equal to IOV_MAX.

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des [Mon, 30 Jul 2007 14:31:16 +0000 (14:31 +0000)]

I accidentally committed the wrong patch in r1787; this corrects the logic
used to determine which lock type (shared or exclusive) to use.

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des [Mon, 30 Jul 2007 14:22:00 +0000 (14:22 +0000)]

Bogons in previous commit. Pass me the pointy hat...

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des [Mon, 30 Jul 2007 14:19:45 +0000 (14:19 +0000)]

pid_t is not necessarily compatible with int.

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des [Mon, 30 Jul 2007 14:16:23 +0000 (14:16 +0000)]

Use fcntl(2)-style locks instead of non-portable flock(2)-style locks.

Based on Theo Schlossnagle's Solaris portability patch.

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des [Mon, 30 Jul 2007 13:54:48 +0000 (13:54 +0000)]

Explicitly set TZ to GMT.

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des [Mon, 30 Jul 2007 13:50:16 +0000 (13:50 +0000)]

Use mktime() rather than the unportable timegm(). The downside is that we're
at the mercy of the TZ environment variable.

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des [Mon, 30 Jul 2007 09:49:05 +0000 (09:49 +0000)]

Avoid using non-portable <err.h>.

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des [Mon, 30 Jul 2007 08:03:42 +0000 (08:03 +0000)]

Avoid referencing <sys/cdefs.h> and __{BEGIN,END}_DECLS.

Based on Theo Schlossnagle's Solaris portability patch.

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des [Sat, 28 Jul 2007 15:29:31 +0000 (15:29 +0000)]

Add a slew of utilities to simplify the writing of test cases. Rewrite the
existing test cases to take advantage of these utilities.

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des [Sat, 28 Jul 2007 11:41:35 +0000 (11:41 +0000)]

Empty responses are not necessarily incorrect, even if Content-Length is
non-zero.

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des [Sat, 28 Jul 2007 10:03:29 +0000 (10:03 +0000)]

Reverse the logic for sp->wantbody: assume it is always wanted unless
req.request is "HEAD". This is what broke the RePurge test case.

Ideally, sp->wantbody would be controllable by VCL.

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des [Sat, 28 Jul 2007 09:23:52 +0000 (09:23 +0000)]

Refactor this test case. Note that it still fails; there seems to be
something wrong with the synthetic response code in varnishd.

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cecilihf [Fri, 27 Jul 2007 14:16:39 +0000 (14:16 +0000)]

Added a health parameter for the backend. This is readable in vcl with backend.health.
Made it possible to pass a vcl variable to error (error 200 backend.health).
Implemented a first attempt at an algorithm for checking the health of a backend.
Negative values means the backend has problems, positive values means it is ok. 0 is neutral,
and could mean that it has been a while since the backend was asked for anything.
See the code for details.

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des [Thu, 26 Jul 2007 13:53:41 +0000 (13:53 +0000)]

Add change log for 1.1.1 + various prop fixes

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des [Thu, 26 Jul 2007 07:51:09 +0000 (07:51 +0000)]

Whitespace & indentation

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des [Thu, 26 Jul 2007 07:45:37 +0000 (07:45 +0000)]

fix props

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des [Thu, 26 Jul 2007 07:45:23 +0000 (07:45 +0000)]

Rename to a more easily remembered (and typed) name.

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des [Thu, 26 Jul 2007 07:43:37 +0000 (07:43 +0000)]

Correct copyright years.

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cecilihf [Thu, 26 Jul 2007 07:02:20 +0000 (07:02 +0000)]

Regression test for http purge with regexp

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des [Wed, 25 Jul 2007 12:49:21 +0000 (12:49 +0000)]

Implement the full range syntax, eliminating the need for -l. Also
reintroduce -v, which is required by the spec (though we do not use it).

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des [Wed, 25 Jul 2007 11:52:51 +0000 (11:52 +0000)]

Allow values to be specified as arithmetic expressions written in Lisp-like
prefix notation. Use this to compute the cache hit ratio in the same
manner as the Nagios plugin does, and to compute cache file usage.

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des [Wed, 25 Jul 2007 11:16:42 +0000 (11:16 +0000)]

Set x bit.

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des [Wed, 25 Jul 2007 11:13:32 +0000 (11:13 +0000)]

Add a "usage" parameter which reports cache file usage.

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cecilihf [Wed, 25 Jul 2007 11:10:59 +0000 (11:10 +0000)]

Style...

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cecilihf [Wed, 25 Jul 2007 11:09:06 +0000 (11:09 +0000)]

Use purge in function names instead of repurge and move VRT_purge to cache_vrt.c.

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des [Wed, 25 Jul 2007 11:08:24 +0000 (11:08 +0000)]

Typo.

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des [Wed, 25 Jul 2007 11:04:50 +0000 (11:04 +0000)]

Style fixes

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cecilihf [Wed, 25 Jul 2007 08:53:16 +0000 (08:53 +0000)]

Updated man page

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cecilihf [Wed, 25 Jul 2007 08:39:10 +0000 (08:39 +0000)]

Implemented http purge with regexp. Example vcl usage:
sub vcl_recv {
if (req.request == "REPURGE") {
purge(req.url);
error 404 "Purged";
}
}

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des [Tue, 24 Jul 2007 16:42:36 +0000 (16:42 +0000)]

Cleanup, rename "hitrate" to "ratio" as in Munin plugin.

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des [Tue, 24 Jul 2007 16:26:36 +0000 (16:26 +0000)]

License.

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des [Tue, 24 Jul 2007 16:20:04 +0000 (16:20 +0000)]

Re-add as files

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des [Tue, 24 Jul 2007 16:19:24 +0000 (16:19 +0000)]

Remove symlinks

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des [Tue, 24 Jul 2007 16:17:21 +0000 (16:17 +0000)]

Give this package a proper name and a version number.

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des [Tue, 24 Jul 2007 14:25:54 +0000 (14:25 +0000)]

Instead of incorrectly assuming that a pthread_t can be meaningfully cast
to an unsigned int (which triggered warnings on some 64-bit platforms) and
printed with %08lx, incorrectly assume that it can be meaningfully cast to
a void * and printed with %p. While still incorrect in general terms, the
latter turns out to be correct on the specific systems that we care about.

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des [Tue, 24 Jul 2007 14:10:28 +0000 (14:10 +0000)]

#130: false is spelles FALSE in curses-land.

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des [Tue, 24 Jul 2007 14:02:20 +0000 (14:02 +0000)]

#131: Honor DESTDIR when creating the state directory.

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des [Tue, 24 Jul 2007 13:56:44 +0000 (13:56 +0000)]

RES_BuildHttp() must be called before RES_WriteObj() to prepare the response
headers. This fixes #128.

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des [Tue, 24 Jul 2007 13:54:20 +0000 (13:54 +0000)]

Always generate a Connection: header, in case the client makes an incorrect
assumption about which is the default.

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des [Tue, 24 Jul 2007 13:52:40 +0000 (13:52 +0000)]

Use strlen() directly.

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des [Tue, 24 Jul 2007 13:51:58 +0000 (13:51 +0000)]

Correct a comment

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des [Tue, 24 Jul 2007 13:51:29 +0000 (13:51 +0000)]

Use a regexp search instead of index()

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des [Tue, 24 Jul 2007 13:50:12 +0000 (13:50 +0000)]

Actually, the message will be in the body.

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des [Tue, 24 Jul 2007 11:39:55 +0000 (11:39 +0000)]

Implement VRT_r_obj_status(), without which obj.status can't be read.

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des [Tue, 24 Jul 2007 11:10:22 +0000 (11:10 +0000)]

Regression test for #128 (currently fails with both trunk and 1.1)

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ssm [Fri, 20 Jul 2007 12:43:54 +0000 (12:43 +0000)]

Split debian package into varnish, libvarnish and libvarnish-dev

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des [Fri, 20 Jul 2007 11:25:21 +0000 (11:25 +0000)]

Set localstatedir explicitly, otherwise it ends up as /usr/var.

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des [Fri, 20 Jul 2007 10:24:03 +0000 (10:24 +0000)]

Remove debugging output.

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des [Fri, 20 Jul 2007 10:23:12 +0000 (10:23 +0000)]

Store stevedores in a circular list. The head pointer keeps moving from
one stevedore to the next. The LRU code is invoked as soon as any of the
stevedores fills up.

This algorithm is far from ideal, and will not work well with differently
sized stevedores, but it has the advantage of being simple and lock-free.

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des [Fri, 20 Jul 2007 10:14:43 +0000 (10:14 +0000)]

Style nit.

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des [Fri, 20 Jul 2007 09:44:21 +0000 (09:44 +0000)]

Additional style cleanup; remove stevedore list from heritage; revert
locking, which introduces a choke point.

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cecilihf [Fri, 20 Jul 2007 09:19:36 +0000 (09:19 +0000)]

Added locking on the list manipulation.

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cecilihf [Fri, 20 Jul 2007 09:06:42 +0000 (09:06 +0000)]

Move all use of the stevedore list to stevedore.c

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des [Fri, 20 Jul 2007 08:40:33 +0000 (08:40 +0000)]

Count backend requests.

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des [Fri, 20 Jul 2007 08:39:45 +0000 (08:39 +0000)]

Paranoia.

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des [Fri, 20 Jul 2007 08:38:22 +0000 (08:38 +0000)]

Let the LRU code worry about this.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1727 d4fa192b-c00b-0410-8231-f00ffab90ce4

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des [Fri, 20 Jul 2007 08:32:04 +0000 (08:32 +0000)]

Reword, bump date.

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cecilihf [Fri, 20 Jul 2007 08:20:59 +0000 (08:20 +0000)]

Updated man-page

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cecilihf [Fri, 20 Jul 2007 08:16:44 +0000 (08:16 +0000)]

Support for multiple cache files. The selecting of a cache file is done by a simple round-robin that selects
the first file in the list, and then moves it to the end. If the selected file hasn't got enough space, the next
one is tried. If no file has enough space, the LRU discarding is applied to the first file in the list.

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des [Thu, 19 Jul 2007 12:18:57 +0000 (12:18 +0000)]

Document Mac OS X compatibility.

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des [Thu, 19 Jul 2007 11:49:43 +0000 (11:49 +0000)]

Use the correct cc command line on MacOS. This is a gross hack.
Also, ignore the result of dlclose().

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des [Thu, 19 Jul 2007 11:17:59 +0000 (11:17 +0000)]

Adapt for use on MacOS X / Darwin, which has GNU libtool installed as
glibtool, and has a version of automake 1.6 which does not exhibit the
bug I've observed on other platforms.

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des [Thu, 19 Jul 2007 11:11:20 +0000 (11:11 +0000)]

Make regexp variables static. This has the side effect of replacing
tentative definitions with non-tentative ones, thus sidestepping one
of the issues we have on MacOS X.

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des [Thu, 19 Jul 2007 11:03:55 +0000 (11:03 +0000)]

Missed one occurrence of clock_gettime().

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des [Thu, 19 Jul 2007 11:02:57 +0000 (11:02 +0000)]

Retire libcompat's clock_gettime().

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1717 d4fa192b-c00b-0410-8231-f00ffab90ce4

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des [Thu, 19 Jul 2007 11:01:36 +0000 (11:01 +0000)]

If clock_gettime() is not available, use gettimeofday() directly.

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des [Thu, 19 Jul 2007 10:58:31 +0000 (10:58 +0000)]

gettimeofday() is good enough for varnishstat.

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des [Tue, 17 Jul 2007 17:06:12 +0000 (17:06 +0000)]

Assert that LRU_DiscardOne() returns 1, to avoid an unlikely but possible
scenario where multiple clients each require different objects such that
the sum of the sizes of the objects is larger than the cache (or, in the
extreme case, one client requests an object which is larger than the
cache) causing STV_alloc() to enter an infinite loop.

This is not ideal - a better solution would be return NULL and have the
caller deal with the problem, possibly by returning a 503 result, or by
stalling the request for some time.

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des [Tue, 17 Jul 2007 16:58:40 +0000 (16:58 +0000)]

Return count like the comment says we do.

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des [Tue, 17 Jul 2007 16:56:21 +0000 (16:56 +0000)]

Remove object from LRU list before freeing it; this does not entirely
eliminate races between the LRU code and the expiry code, but it does
make them a lot less likely.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1712 d4fa192b-c00b-0410-8231-f00ffab90ce4

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des [Tue, 17 Jul 2007 13:05:08 +0000 (13:05 +0000)]

Amend previous commit. The problem was that when a socket was already open,
open_sockets() did not count it as "good". Having fixed this, revert to the
previous behaviour of keeping the sockets open if auto_restart is on; this
avoids having a brief window (until they are reopened) during which client
connections are refused.

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des [Tue, 17 Jul 2007 10:33:46 +0000 (10:33 +0000)]

Fix child restart by always calling close_sockets() when the child dies;
otherwise open_sockets() fails, which causes start_child() to fail silently.

Furthermore, if open_sockets() fails and child_state is CH_DIED, it will
not be possible to start it manually later; therefore, set child_state
to CH_STOPPED when open_sockets() fails.

Note: it wouldn't hurt if open_sockets() were a little more talkative.

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cecilihf [Mon, 16 Jul 2007 13:06:42 +0000 (13:06 +0000)]

Changed name/description

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cecilihf [Mon, 16 Jul 2007 11:21:45 +0000 (11:21 +0000)]

Moved the plugin from "others" to "servers" in the menu
Minor "stylistic" changes in VCL part of webmin plugin

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1707 d4fa192b-c00b-0410-8231-f00ffab90ce4

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cecilihf [Mon, 16 Jul 2007 08:39:50 +0000 (08:39 +0000)]

Webmin plugin for varnish

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1706 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Sun, 15 Jul 2007 11:25:27 +0000 (11:25 +0000)]

From the "What has the world come to ?" department:

It used to be that sscanf(3) would walk along the proffered string
and do what the format string was told, and as long as the format
terminated before the input string, the NUL termination was not
relevant.

Sometime in the last 20 years, sscanf started doing a strlen on the
passed argument changing this behaviour.

Give sscanf the NUL it wants.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1705 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Sun, 15 Jul 2007 11:08:48 +0000 (11:08 +0000)]

Plug even more memory leaks in the VCL compiler.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1704 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Sun, 15 Jul 2007 11:04:52 +0000 (11:04 +0000)]

Don't leak the file contents either.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1703 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Sun, 15 Jul 2007 10:58:11 +0000 (10:58 +0000)]

Plug minor memory leak.

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phk [Sun, 15 Jul 2007 10:57:55 +0000 (10:57 +0000)]

Don't leak all the tokens.

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phk [Sun, 15 Jul 2007 10:22:39 +0000 (10:22 +0000)]

Plug a memory-leak in the VCL compiler.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1700 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Sun, 15 Jul 2007 10:22:05 +0000 (10:22 +0000)]

Initialize all bits in the sigaction.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@1699 d4fa192b-c00b-0410-8231-f00ffab90ce4

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