]>
err.no Git - varnish/log
phk [Fri, 6 Jun 2008 21:50:17 +0000 (21:50 +0000)]
Spell "X-Forwarded-for" as "X-Forwarded-For", this seems to match the
unwritten lore better.
Closes 203
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2652
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phk [Fri, 6 Jun 2008 10:42:55 +0000 (10:42 +0000)]
Duh!
I had the sense of FIONBIO args right in the first place.
Revert 2647 and promise not to commit when sleepy.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2651
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phk [Thu, 5 Jun 2008 09:19:27 +0000 (09:19 +0000)]
Add an XXX comment.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2650
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phk [Thu, 5 Jun 2008 09:18:09 +0000 (09:18 +0000)]
We don't need srandomdev.h here anymore.
Don't hand-roll an assert.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2649
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phk [Thu, 5 Jun 2008 09:16:29 +0000 (09:16 +0000)]
Add a new-line before, and reword some of the default cautions a little
bit.
Automatically calculate the margin, based on the width of the parameter
names we have.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2648
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phk [Thu, 5 Jun 2008 09:12:51 +0000 (09:12 +0000)]
Get the sign right on FIONBIO ioctl.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2647
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phk [Mon, 2 Jun 2008 19:45:05 +0000 (19:45 +0000)]
Add a "timeout counter" and cleans the timeout sockets every 60
seconds instead of cleaning it in every new connection received.
We are using it here, and the performance is much better now.
Submmitted by: Rafael Umann <rafael.umann@terra.com.br>
Closes ticket #235
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2646
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phk [Sat, 31 May 2008 21:26:20 +0000 (21:26 +0000)]
Overhaul the regexp purge/ban code, with a detour around the CLI code.
CLI code:
In CLI help, don't list commands with no syntax description.
Add a CLI_HIDDEN macro to construct such entries. They are
useful as backwards compatibility entries which we do not want
to show in the help.
CLI interface to BAN (purge) code:
Get the CLI names right for purging so they are purge.FOO instead
of FOO.purge.
This means that you should use "purge.url" and "purge.hash"
instead of "url.purge" and "hash.purge".
Add compat entries for the old, and keep them through the 2.x
release series.
Add purge.list command to list purges currently in effect.
NB: This is not 100% locking safe, so don't abuse it.
BAN (purge) code:
Add reference counting and GC to bans.
Since we now have full reference counting, drop the sequence
number based soft references and go to "hard" pointer
references from the object to the purges.
Give the "ban" structure the miniobj treatment while we are
at it.
The cost of this is a lock operation to update refcounts
once all applicable bans have been checked on an object.
There is no locking cost if there is no bans to check.
Add explicit call to new BAN_DestroyObj() when objects are
destroyed to release the refcount.
When we release an object refcount in BAN_DestroyObj(),
check if we can destroy the last purge in the list also.
We only destroy one ban per BAN_DestroyObj() call, to avoid
getting stuck too long time, (tacitly assuming that we will
destroy more objects than bans.)
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2645
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phk [Sat, 31 May 2008 09:34:28 +0000 (09:34 +0000)]
Go over the Telnet/CLI code in the manager process.
Implement "quit" (ticket 125) and drop the planned aliases.
Add CLIS_CLOSE return status, to communicate that close is happening.
Fix logical bug in fd-table allocation bug in event-engine.
Plug memory leak in CLI session destruction.
Increase listen depth of telnet socket to 10.
Ignore trailing whitespace and empty CLI input lines.
Log CLI sessions and commands into syslog.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2644
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phk [Fri, 30 May 2008 22:25:58 +0000 (22:25 +0000)]
I belive this fixes the ESI issue that JT Justman has reported.
(no ticket)
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2643
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phk [Fri, 30 May 2008 22:18:26 +0000 (22:18 +0000)]
Add a new backend attribute in VCL: "connect_timeout".
This is how long time we wait for a TCP connection to the backend to
become established.
Typical usage:
backend b1 {
.host = "hex";
.port = "80";
.connect_timeout = 500 ms;
}
It can also be used in backends in director declarations.
Also add a parameter called "connect_timeout" which sets the default
to 400 msec (a number pulled out of my old black magicians hat).
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2642
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phk [Fri, 30 May 2008 21:39:56 +0000 (21:39 +0000)]
Back in the mists of time, the SocketWizards were so happy to get
any connections at all, that they didn't even consider that maybe
connect(2) should have a timeout argument.
Add TCP_connect() which addresses this shortcoming, using what I
belive is a widely supported workaround.
Not to POSIX: please fix.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2641
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phk [Tue, 27 May 2008 07:10:22 +0000 (07:10 +0000)]
Add a new vcl function regsuball()
It works just like regsub(), but replaces all occurrences of the regexp.
regsub("1foofoofoo2", "foo", "bar") -> "1barfoofoo2"
regsuball("1foofoofoo2", "foo", "bar") -> "1barbarbar2"
Fixes ticket 238
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2640
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phk [Mon, 26 May 2008 10:13:52 +0000 (10:13 +0000)]
Be more consistent about sockets and blocking/non-blocking mode:
Accept sockets are non-blocking, to avoid races where the client closes
before we get to accept it. (Spotted by: "chen xiaoyong")
Unfortunately, that means that session sockets inherit non-blocking mode,
which is the opposite of what we want in the worker thread but correct
for the acceptor thread.
We prefer to have the extra syscalls in the worker thread, that complicates
things a little bit.
Use ioctl(FIONBIO) instead of fcntl(2) which is surprisingly expensive.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2639
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phk [Mon, 26 May 2008 09:14:23 +0000 (09:14 +0000)]
Backend sockets are always in blocking mode.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2638
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phk [Mon, 26 May 2008 08:38:00 +0000 (08:38 +0000)]
Add TCP_blocking() and TCP_nonblocking() and use them instead of
fondling fcntl(2) directly.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2637
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phk [Mon, 26 May 2008 08:36:18 +0000 (08:36 +0000)]
Add compiler command for Solaris.
Closes ticket #239
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2636
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ssm [Thu, 24 Apr 2008 06:37:01 +0000 (06:37 +0000)]
Example VCL: Cleanup and update for varnish version >= 1.2
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2634
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phk [Mon, 21 Apr 2008 07:01:20 +0000 (07:01 +0000)]
Remove an assert which is no longer true in the case of a non-headered
(not-RFC2616 compliant) request.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2633
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phk [Mon, 21 Apr 2008 06:33:37 +0000 (06:33 +0000)]
Make it possible for the acceptor to provide a method by which sessions
are passed to it.
If no method is provided, we fall back to vca_pipes.
closes #227
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2632
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phk [Thu, 17 Apr 2008 20:08:49 +0000 (20:08 +0000)]
Missing handling of sp->restarts and sp->director.
Spotted by: "postwait"
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2631
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phk [Wed, 16 Apr 2008 07:58:43 +0000 (07:58 +0000)]
SIZE_MAX is not spelled SIZE_T_MAX in polite company.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2630
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phk [Tue, 8 Apr 2008 15:34:57 +0000 (15:34 +0000)]
Polish up the malloc allocator to make it more useful for test and
debugging:
Implement an upper limit for allocated memory, specify as:
-smalloc,40M
Give the malloc allocator its own stats counters so we can see deeply
into what it does.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2629
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phk [Tue, 8 Apr 2008 15:33:30 +0000 (15:33 +0000)]
Remove trailing blank from error message
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2628
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phk [Tue, 8 Apr 2008 15:33:08 +0000 (15:33 +0000)]
Wrap long line
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2627
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bahner [Thu, 3 Apr 2008 17:15:58 +0000 (17:15 +0000)]
svn-externals debian svn://svn.debian.org:/svn/pkg-varnish/packages/varnish/trunk/debian
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2626
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bahner [Wed, 2 Apr 2008 09:42:16 +0000 (09:42 +0000)]
Debian pakking er flyttet til svn://svn.debian.org/svn/pkg-varnish/packages/varnish/debian
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2618
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phk [Mon, 31 Mar 2008 22:07:15 +0000 (22:07 +0000)]
Emit an extra CR+NL after the end of chunked encoding.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2617
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phk [Mon, 31 Mar 2008 21:48:33 +0000 (21:48 +0000)]
Fix ESI documents with multiple includes.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2616
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phk [Mon, 31 Mar 2008 21:48:16 +0000 (21:48 +0000)]
spelling fixes
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2615
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phk [Mon, 31 Mar 2008 11:49:20 +0000 (11:49 +0000)]
Fix a memoryleak relating to hash strings, found by: Arjan (noosius).
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2614
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phk [Mon, 31 Mar 2008 11:47:15 +0000 (11:47 +0000)]
Fix three memory leaks related to vsb's not being vsb_deleted:
Two really bad ones in Vary processing, found by Arjan (noosius).
One isignificant one related to -b arguments being wrong,
found by FlexeLint after I taught it how to spot this kind of issue.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2613
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phk [Mon, 31 Mar 2008 11:43:48 +0000 (11:43 +0000)]
Explain to FlexeLint that vsb_new()/vsb_delete() are alloc/free functions.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2612
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phk [Mon, 31 Mar 2008 07:03:02 +0000 (07:03 +0000)]
I'm amazed that we have been able to spell "Authorization" as
"Authentication" for this long without anybody noticing until now.
Mea Culpa.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2611
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phk [Mon, 24 Mar 2008 08:45:54 +0000 (08:45 +0000)]
If the backend does not transmit a respose string, use the default
string for the status code as found in RFC2616.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2609
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kobold [Mon, 24 Mar 2008 07:32:12 +0000 (07:32 +0000)]
small fixes to the debian packaging: removed a lintian warning, merged two
changelog entries, cleaned debian/rules.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2608
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des [Wed, 19 Mar 2008 12:27:43 +0000 (12:27 +0000)]
s/remove/unset/, but keep remove as an alias for backward compat.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2607
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des [Sun, 16 Mar 2008 14:11:26 +0000 (14:11 +0000)]
The value of HTTP_HDR_MAX is not visible to the preprocessor, so
(IOV_MAX < (HTTP_HDR_MAX * 2)) is equivalent to (IOV_MAX < (0 * 2)),
which obviously is never true. Fixes #222.
Submitted by: Jyri J. Virkki <jyri@virkki.com>
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2606
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phk [Thu, 13 Mar 2008 12:49:36 +0000 (12:49 +0000)]
Use a private cond-var for each worker thread, instead of pipe(2)-pair, it is cheaper.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2605
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phk [Thu, 13 Mar 2008 10:34:30 +0000 (10:34 +0000)]
Make VSLR() static, it's unused outside shmlog.c
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2604
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phk [Thu, 13 Mar 2008 10:29:14 +0000 (10:29 +0000)]
Add a DSL() macro for diagnostic shmlogging and use it.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2603
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phk [Thu, 13 Mar 2008 10:14:10 +0000 (10:14 +0000)]
Don't shmlog ECONNABORTED
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2602
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ssm [Thu, 13 Mar 2008 05:59:19 +0000 (05:59 +0000)]
Debian packaging: Do not include the upstream INSTALL file
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2600
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des [Wed, 12 Mar 2008 15:11:00 +0000 (15:11 +0000)]
Refactor, implement random mode.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2599
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phk [Wed, 12 Mar 2008 14:07:08 +0000 (14:07 +0000)]
Further revamp the CLI handling in the cacher process, making it
possible for various modules to add cli functions so they can
be manipulated on the fly.
CLI_AddFuncs() registers a set of CLI functions. We operate
with three lists: the ones not shown in "help" because the
manager already showed them, the normal ones and the debug
commands which are also not shown in a plain "help".
Move the registration of cli functions out to the code they
belong in: VCL, BAN and VCA.
Give VCA a real Init function, and have the cli function ("start")
initiate the acceptor thread which listens for incoming connections.
Split CLI_Init() into CLI_Init() and CLI_Run()
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2598
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phk [Wed, 12 Mar 2008 13:46:34 +0000 (13:46 +0000)]
Add a CLI support function for concatenating two cli_proto tables
in malloc'ed memory.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2597
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phk [Wed, 12 Mar 2008 10:29:43 +0000 (10:29 +0000)]
Give cacher private cli functions a private prefix of "ccf" instead
of overloading common cli function namespace "cli_func".
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2596
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phk [Wed, 12 Mar 2008 10:25:51 +0000 (10:25 +0000)]
Rework the manager/cacher cli relationship, so that the manager does
not have to grope around in the cacher's data structures.
Whenever the manager gets a CLI command it does not understand, it
will pass it to the cacher process, if it is running.
This complicated "help" a little bit, because we want to show the
combined commands of the manager and cacher.
Since we're dealing with help anyway, hide undocumented debug
commands from it.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2595
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phk [Wed, 12 Mar 2008 10:21:49 +0000 (10:21 +0000)]
Change the default cli help function to ignore options starting
with '-'.
Remove header line.
If argument is not found, return CLIS_UNKNOWN.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2594
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des [Tue, 11 Mar 2008 11:25:28 +0000 (11:25 +0000)]
Slightly more elegant version of the previous commit, which also fixed a
tiny braino.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2593
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des [Tue, 11 Mar 2008 11:10:19 +0000 (11:10 +0000)]
Fix a couple of glaring errors in vca_pollspace().
Noticed by: Jyri J. Virkki <jyri@virkki.com>
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2592
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des [Tue, 11 Mar 2008 09:48:27 +0000 (09:48 +0000)]
VSL_H_Print() prints a 'b' in the third column for backend-related log
entries, a 'c' for client-related log entries, and a ' ' for everything
else (CLI Ping for instance). This makes it hard to process logs with
awk or similar tools, since the number of columns varies. Therefore,
change the character used for non-backend-or-client log entries to '-'.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2591
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phk [Mon, 10 Mar 2008 21:21:15 +0000 (21:21 +0000)]
This is slightly experimental:
Reduce SHM mutex contention further, by only holding lock over
reservation of space, and do the copying from workthread buffer
to shm buffer efter we let go of the mutex.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2590
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ssm [Mon, 10 Mar 2008 08:17:23 +0000 (08:17 +0000)]
Debian packaging: Move control file "docs" to "varnish.docs" for consistency, add HTML changelogs from the doc/ directory to the packaging
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2588
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ssm [Mon, 10 Mar 2008 07:46:37 +0000 (07:46 +0000)]
Debian packaging: Fix syntax error in varnishlog init script, and set correct variable in defaults file. Add clarifying comment for variable
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2586
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ssm [Mon, 10 Mar 2008 07:15:56 +0000 (07:15 +0000)]
Debian packaging: Add changelog entry for 1.2-0
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2583
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ssm [Mon, 10 Mar 2008 07:13:36 +0000 (07:13 +0000)]
Debian packaging: removing obsolete TODO file
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2582
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ssm [Mon, 10 Mar 2008 06:02:00 +0000 (06:02 +0000)]
Debian packaging: Allow adjustment of maximum locked memory size
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2580
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des [Sun, 9 Mar 2008 15:24:37 +0000 (15:24 +0000)]
Braino in previous commit.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2577
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des [Sun, 9 Mar 2008 15:17:49 +0000 (15:17 +0000)]
Include complete headers with each replayed request.
Ignore SIGPIPE, otherwise varnishreplay will stop as soon as varnishd starts
overflowing.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2576
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des [Sun, 9 Mar 2008 15:14:04 +0000 (15:14 +0000)]
Add -k option which specifies the number of log entries to keep. Along with
-s, this allows varnishlog to be used to extract part of a log file, or
partition a log file into smaller sections.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2575
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des [Sat, 8 Mar 2008 16:55:22 +0000 (16:55 +0000)]
Add a -s option which specifies a number of entries to skip.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2572
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des [Sat, 8 Mar 2008 15:42:23 +0000 (15:42 +0000)]
If it looks like a new request starts before a previous request on the same
fd has finished, flush the previous request with an additional line to note
that the request was interrupted.
This is usually a symptom of the child dying midway through the first
request.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2569
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des [Sat, 8 Mar 2008 13:47:56 +0000 (13:47 +0000)]
dump.pool was removed a while ago.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2565
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ingvar [Fri, 7 Mar 2008 15:07:31 +0000 (15:07 +0000)]
This is more pre-2.0 than 1.1.2+
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2562
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phk [Fri, 7 Mar 2008 11:43:38 +0000 (11:43 +0000)]
Log free object workspace instead of used to get the size of the object
structure into the picture.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2561
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phk [Fri, 7 Mar 2008 11:36:52 +0000 (11:36 +0000)]
Add diagnostic features to keep track of object workspace usage.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2560
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phk [Fri, 7 Mar 2008 11:13:11 +0000 (11:13 +0000)]
Split the http_workspace into sess_workspace and obj_workspace, so they
can be tuned separately.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2559
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phk [Fri, 7 Mar 2008 11:04:51 +0000 (11:04 +0000)]
Attempt to mlock(2) SHMFILE in core.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2558
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phk [Fri, 7 Mar 2008 10:58:12 +0000 (10:58 +0000)]
Keep track of how often we flush the private shm buffer due to overflows.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2557
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phk [Fri, 7 Mar 2008 10:36:40 +0000 (10:36 +0000)]
Put waiting list shmlogs under diag_bitmap
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2556
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phk [Wed, 5 Mar 2008 13:18:39 +0000 (13:18 +0000)]
Check EOF as bitflag in kqueue return flags
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2555
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des [Tue, 4 Mar 2008 11:42:00 +0000 (11:42 +0000)]
Relax assertions, and fix the build.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2554
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des [Tue, 4 Mar 2008 11:03:03 +0000 (11:03 +0000)]
Regen
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2553
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des [Tue, 4 Mar 2008 11:02:25 +0000 (11:02 +0000)]
Define obj.hash in the correct place, and regen.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2552
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des [Tue, 4 Mar 2008 10:59:32 +0000 (10:59 +0000)]
Implement obj.hash.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2551
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des [Tue, 4 Mar 2008 10:58:02 +0000 (10:58 +0000)]
Remove duplicate allocation.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2550
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des [Tue, 4 Mar 2008 09:29:54 +0000 (09:29 +0000)]
The final piece of the double -> string puzzle.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2549
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phk [Tue, 4 Mar 2008 08:54:53 +0000 (08:54 +0000)]
Polish CLI output
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2548
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des [Mon, 3 Mar 2008 17:03:53 +0000 (17:03 +0000)]
Regen for VRT_double_string()
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2547
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des [Mon, 3 Mar 2008 17:03:05 +0000 (17:03 +0000)]
Clean up the int -> str and ip -> str conversion code, and add double -> str.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2546
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phk [Fri, 29 Feb 2008 09:38:49 +0000 (09:38 +0000)]
Workaround: ignore uncached objects in EXP_Touch()
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2544
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phk [Tue, 26 Feb 2008 11:05:54 +0000 (11:05 +0000)]
Go over the expiry and LRU code once more:
Drop the hangman, with grace implemented we might as well just ditch
the object when the timer expires.
Use separate markers for "on LRU" and "on binheap" and document the
specific protocol for avoiding conflicts between LRU and timer processing.
Many more asserts and a couple of minor bugfixes.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2543
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phk [Tue, 26 Feb 2008 09:23:39 +0000 (09:23 +0000)]
Fix a bug in the hangman code: conversion from object to objexp
missed a marker variable.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2542
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phk [Tue, 26 Feb 2008 09:12:29 +0000 (09:12 +0000)]
Give the random director its own magic
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2541
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phk [Tue, 26 Feb 2008 09:10:35 +0000 (09:10 +0000)]
Get the pthread_mutex_trylock() assert right, the error code is the
return value, and not in errno.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2540
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phk [Mon, 25 Feb 2008 22:30:23 +0000 (22:30 +0000)]
Avoid asserting on correct errno from pthread_mutextrylock()
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2539
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phk [Mon, 25 Feb 2008 18:42:07 +0000 (18:42 +0000)]
Explicitly initialize errno to zero before mutex ops.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2538
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phk [Sat, 23 Feb 2008 20:36:33 +0000 (20:36 +0000)]
The expiry module keeps all cached objects on two data structures:
the LRU list and the binary heap. In both of these cases, operations
on one object will result in certain fields in neighbor objects in
these data structures to be updated.
In difference from cache_hash.c which examine objects related by
hash match where the existence of the hash lookup in the first place
is a predictor for their likely use, in cache_expire the neighbor
objects are totally unrelated and the fact that we update their
list pointers or binheap index in no way indicates that they will
get a cache hit any time soon.
Paging in one page for a number of objects, just to move another
object up or down the binheap or LRU list is thus not only slow,
but also increases varnish' VM footprint for no real benefit.
This commit moves the relevant housekeeping fields into a "objexp"
structure, which gets hung off the objects when they enter the cache.
The objexp structure is small (40 bytes on i386) so statistically it
is more than an order of magnitude more likely to already be in core
when we need it, compared to the object itself.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2537
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phk [Sat, 23 Feb 2008 20:03:51 +0000 (20:03 +0000)]
Make cache_expire.c pick up its own reference on the object.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2536
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phk [Sat, 23 Feb 2008 19:58:04 +0000 (19:58 +0000)]
Fix obj.last_use: We cannot use obj.lru_stamp, as that is only updated
when we shuffle the LRU list.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2535
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phk [Sat, 23 Feb 2008 19:54:44 +0000 (19:54 +0000)]
Only move objects to the tail of the LRU queue if we can get the
expiry mutex without waiting.
This is in addition to the already present "only if it have not
been moved recently" check.
This additional mutex-contestion reduction obviously might leave
the LRU list badly out of order, but this can be worked around
by examining obj.last_use in vcl_discard()
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2534
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phk [Sat, 23 Feb 2008 19:48:11 +0000 (19:48 +0000)]
Introduce a TRYLOCK() macro, and remove two ';' which could cause grief.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2533
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phk [Sat, 23 Feb 2008 19:43:57 +0000 (19:43 +0000)]
obj->lru_stamp is on TIM_real() not TIM_mono().
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2532
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phk [Sat, 23 Feb 2008 19:27:35 +0000 (19:27 +0000)]
Remove unused last_check member and TIM_mono() call
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2531
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phk [Sat, 23 Feb 2008 19:26:38 +0000 (19:26 +0000)]
Rename EXP_TTLchange() to EXP_Rearm() and move binheap check into
cache_expire.c.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2530
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phk [Sat, 23 Feb 2008 19:15:23 +0000 (19:15 +0000)]
Dispose of VCL reference count if we drop parked sessions due to worker
pool shortages.
Fixes ticket #213
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2529
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des [Thu, 21 Feb 2008 21:14:57 +0000 (21:14 +0000)]
We don't need cryptographic-strength randomness here. Try /dev/urandom
first, then /dev/random, then fall back to pid and time. Using an
uninitialized stack variable as seed is just silly, and Coverity rightly
complains about it (CID#19)
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2528
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des [Thu, 21 Feb 2008 20:55:08 +0000 (20:55 +0000)]
Dump some information about the VCL configuration if we have one.
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2527
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des [Thu, 21 Feb 2008 20:50:16 +0000 (20:50 +0000)]
Where applicable, use SPAZ() instead of AZ().
git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@2526
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