err.no Git - varnish/log

]> err.no Git - varnish/log

phk [Sat, 22 Jul 2006 16:15:17 +0000 (16:15 +0000)]

Always use GET and HTTP/1.1 against the backend for fetch

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phk [Sat, 22 Jul 2006 13:58:31 +0000 (13:58 +0000)]

exit after error

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phk [Sat, 22 Jul 2006 12:00:18 +0000 (12:00 +0000)]

Implement regexp matching of strings in VCL.

For now we default to REG_EXTENDED, but it might make sense
to let the user control this flag and the case sensitivity.

Another concern is the stringification of regexps, it may lead
to backslash madness. Maybe we should define '...' string types
also and do no backslash substitution in those at all.

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phk [Sat, 22 Jul 2006 10:41:00 +0000 (10:41 +0000)]

Change the acl syntax slightly: the ( ... ) should enclose all of
the rule (ie: also ! and /mask if present).

Implement matching for IPv4.

Acl tests are shmlogged as follows (doc candidate):

shmlog tag: VCL_actl

"NO_MATCH $acl"
client did not match access list $acl
"FAIL $acl $rule"
getaddrinfo(3) failed on $rule which had a '!'
"MATCH $acl $rule"
client matched $rule
"NEG_MATCH $acl $rule"
client matched negated (!) $rule

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phk [Sat, 22 Jul 2006 10:35:39 +0000 (10:35 +0000)]

Store the socket address in the session

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phk [Sat, 22 Jul 2006 09:38:09 +0000 (09:38 +0000)]

VCL compiler:
add two sbufs for "init" and "fini" actions.

VCL ACLs: Change syntax and implementation as follows.

ACL Syntax now works the following way:

acl $name {
! ( "myhost.com" ) ;
"10.0.0.1" /8 ;
}

The '!' means not. If the address matches the rest of the rule
the address does NOT match the acl and the search terminates here.

Enclosing the string in paranthesis means that the rule will be ignored
if the string cannot be converted to an address (with getaddrinfo).

When a string can not be looked up, and is not enclosed in a
paranthesis, a positive rule (ie: without !) will not match and a
negative rule (with !) will match.

A mask can always be supplied, no matter the style of the string
given, so it is possible to do things like:

{ "fw.ourcompany.dom" / 24 }

Which means "any host on the same /24 subnet as fw.ourcompany.dom".

Unfortunately getaddrinfo() does not return a TTL for the results,
in the future we may want to use some kind of timeout to refresh
the lookups.

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phk [Sat, 22 Jul 2006 08:02:47 +0000 (08:02 +0000)]

Split IP/ACL compilation into vcc_acl.c

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phk [Fri, 21 Jul 2006 22:12:38 +0000 (22:12 +0000)]

Unless the user specifies an explicit size, don't use more than 2GB
on 32 bit architectures to avoid running out of address room

Make FlexeLint happy.

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phk [Fri, 21 Jul 2006 21:57:43 +0000 (21:57 +0000)]

Make FlexeLint happier

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phk [Fri, 21 Jul 2006 21:42:00 +0000 (21:42 +0000)]

Drop this one now.

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phk [Fri, 21 Jul 2006 21:28:51 +0000 (21:28 +0000)]

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phk [Fri, 21 Jul 2006 21:13:43 +0000 (21:13 +0000)]

More VRT work.

Use macros for trivial objects which are just a field in a struct.

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phk [Fri, 21 Jul 2006 21:01:45 +0000 (21:01 +0000)]

Update VRT to minimal functional level again

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phk [Fri, 21 Jul 2006 20:51:24 +0000 (20:51 +0000)]

Use const char* for safety

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phk [Fri, 21 Jul 2006 20:45:13 +0000 (20:45 +0000)]

Update

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phk [Fri, 21 Jul 2006 20:44:58 +0000 (20:44 +0000)]

This file is generated.

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phk [Fri, 21 Jul 2006 20:43:56 +0000 (20:43 +0000)]

Automate generation of tables and prototypes for the objects which
VCL programs can manipulate.

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phk [Fri, 21 Jul 2006 18:12:56 +0000 (18:12 +0000)]

Move things over to the correct "VCC" prefix.

Split some stuff into separate files while we're at it.

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phk [Fri, 21 Jul 2006 16:25:24 +0000 (16:25 +0000)]

update comment

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phk [Fri, 21 Jul 2006 16:15:58 +0000 (16:15 +0000)]

Properly log TTL calculation to shmem

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phk [Fri, 21 Jul 2006 16:06:07 +0000 (16:06 +0000)]

Fix formatting of responses.

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phk [Fri, 21 Jul 2006 16:05:53 +0000 (16:05 +0000)]

Log TTL calculation on the right fd

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phk [Fri, 21 Jul 2006 15:25:09 +0000 (15:25 +0000)]

Work on logtailer api a bit:

By default, start at the last entry in shared memory. To dump the
entire segment from the start, specify '-d' option.

Terminate programs when '-r $file' reaches EOF

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phk [Fri, 21 Jul 2006 12:18:01 +0000 (12:18 +0000)]

Cleanup

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phk [Fri, 21 Jul 2006 12:08:57 +0000 (12:08 +0000)]

Magic check on struct vbe

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phk [Fri, 21 Jul 2006 12:06:36 +0000 (12:06 +0000)]

Better name

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phk [Fri, 21 Jul 2006 11:55:17 +0000 (11:55 +0000)]

Convert fetch, insert and deliver to use new HTTP header munging code.

Remove sbuf from workerthread, it is only used in the Error handling
now and it will probably not even survive that in the long run.

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phk [Fri, 21 Jul 2006 10:44:12 +0000 (10:44 +0000)]

Make pipe use the new http manipulation.

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phk [Fri, 21 Jul 2006 09:32:09 +0000 (09:32 +0000)]

HTTP header munging part (N of M)

NB: Only pass mode (lightly) tested right now.

Give up on the three element array per header and use a two element struct
instead, it reduces obfuscation and removes risk of pointer fandango.

Introduce #defined filtercontrol in http_headers.h, use them in a new
field. Only Pass is there for now.

Use the http-workspace for building headers instead of sbuf.

Move uiovec handling to cache_pool.c where it more naturally belongs
and so we can use it on both backends and sessions.

Add http header munging functiosn for copying, printf'ing, filtering and
writing headers.

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phk [Fri, 21 Jul 2006 07:18:40 +0000 (07:18 +0000)]

Rename shmlog tags for headers to RxHeader and TxHeader that's more
logical.

Rename http_Init() to http_Setup() to avoid clash with HTTP_Init().

Remove unused variable

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phk [Thu, 20 Jul 2006 22:08:43 +0000 (22:08 +0000)]

Yet another refinement to the way we store and deal with HTTP headers.

Record a triplet of {start, data, end} for all HTTP data items.

This represents a regrettable uglification of the sourcecode, but
most of it compiles out to constants and the runtime benefits will
be worth it.

Generate H_FOO magic strings for all the headers we know about.
These strings have a length as first char and always ends in ':'.

Also genereate H_FOO format strings in VCL compiler.

Mandate (with assert) that header references happen using H_FOO strings.

Make number of allowed HTTP headers a compile time constant (32)
but make the workspace a run-time variable (4096).

Introduce new SHM tag for dumping aborted HTTP protocol requests.

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phk [Thu, 20 Jul 2006 15:10:36 +0000 (15:10 +0000)]

Add XXX comment

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phk [Thu, 20 Jul 2006 14:46:49 +0000 (14:46 +0000)]

Keep an eye on deathrow

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phk [Thu, 20 Jul 2006 14:40:54 +0000 (14:40 +0000)]

More asserts

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phk [Thu, 20 Jul 2006 14:23:59 +0000 (14:23 +0000)]

We need to check the TTL here also, if a (sequence of) slow client(s)
manages to hold the document referenced, the prefetcher may never
get lucky with it and it will linger here much past last sell date.

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phk [Thu, 20 Jul 2006 13:42:56 +0000 (13:42 +0000)]

Only reference srcaddr on first request on session

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phk [Thu, 20 Jul 2006 13:39:47 +0000 (13:39 +0000)]

Be more paranoid about srcaddr

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phk [Thu, 20 Jul 2006 13:33:22 +0000 (13:33 +0000)]

upd

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phk [Thu, 20 Jul 2006 13:29:13 +0000 (13:29 +0000)]

Keep track of active source addresses

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ssm [Thu, 20 Jul 2006 12:15:49 +0000 (12:15 +0000)]

Added varnish / RFC2616 illustrations

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phk [Thu, 20 Jul 2006 12:03:10 +0000 (12:03 +0000)]

Add -1 option that stops comparison after first field.

Useful with commands like:

varnishtop -i header -1
varnishtop -i srcaddr -1

where the variable part of the entry is less relevant.

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des [Thu, 20 Jul 2006 11:17:44 +0000 (11:17 +0000)]

Remove reference to XSL stylesheet.

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des [Thu, 20 Jul 2006 11:16:01 +0000 (11:16 +0000)]

Fix stylesheet path (botched in previous commit)

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des [Thu, 20 Jul 2006 11:15:16 +0000 (11:15 +0000)]

Add missing end tags + whitespace cleanup

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phk [Thu, 20 Jul 2006 10:55:18 +0000 (10:55 +0000)]

Rewrite the "components" part to match reality.

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phk [Thu, 20 Jul 2006 10:10:24 +0000 (10:10 +0000)]

Show also average since start

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phk [Thu, 20 Jul 2006 09:58:11 +0000 (09:58 +0000)]

Hmm, that was a bad idea.

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phk [Thu, 20 Jul 2006 09:42:47 +0000 (09:42 +0000)]

Loop till we have everything.

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phk [Thu, 20 Jul 2006 09:29:45 +0000 (09:29 +0000)]

Implement "If-Modified-Since" conditional queries

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phk [Thu, 20 Jul 2006 08:29:14 +0000 (08:29 +0000)]

Remove explicit worker thread arguments.

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phk [Thu, 20 Jul 2006 08:25:53 +0000 (08:25 +0000)]

Move the delivery functions from acceptor to response

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phk [Wed, 19 Jul 2006 21:16:03 +0000 (21:16 +0000)]

Rework the worker thread pool logic slightly, we were leaking
threads before.

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phk [Wed, 19 Jul 2006 21:14:41 +0000 (21:14 +0000)]

Include a "start_time" timestamp in the stats and teach varnishstats
to print it in curses mode.

Some polishing and cleanup.

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phk [Wed, 19 Jul 2006 20:07:16 +0000 (20:07 +0000)]

Use insert_pass in vcl_fetch() so we cache the uncacheability.

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phk [Wed, 19 Jul 2006 20:06:18 +0000 (20:06 +0000)]

Don't explode on trim's to zero size.

Real fix should (maybe) be to callers

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phk [Wed, 19 Jul 2006 19:49:22 +0000 (19:49 +0000)]

Update only once per second.

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phk [Wed, 19 Jul 2006 19:48:23 +0000 (19:48 +0000)]

Make sure width and precision arguments to printf %*.*s are ints.

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phk [Wed, 19 Jul 2006 19:47:29 +0000 (19:47 +0000)]

Don't panic on NULL srcaddr, but revisit later when we know the
details. Is it the Prefetcher ?

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phk [Wed, 19 Jul 2006 19:45:51 +0000 (19:45 +0000)]

Delete the right list item.

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phk [Wed, 19 Jul 2006 19:45:14 +0000 (19:45 +0000)]

Don't bother determining if we should close if we already have done so.
Also: we may not have valid headers if cache_http.c threw a 400.

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phk [Wed, 19 Jul 2006 19:43:39 +0000 (19:43 +0000)]

Make sure hp->v is NUL terminated.

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phk [Wed, 19 Jul 2006 12:37:03 +0000 (12:37 +0000)]

Use miniobj.h to catch pointer trouble

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phk [Wed, 19 Jul 2006 12:36:42 +0000 (12:36 +0000)]

Add miniobj.h for debugging

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phk [Wed, 19 Jul 2006 11:53:06 +0000 (11:53 +0000)]

Avoid the Error path for now.

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phk [Wed, 19 Jul 2006 11:11:48 +0000 (11:11 +0000)]

handle 302 for now.

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phk [Wed, 19 Jul 2006 08:33:10 +0000 (08:33 +0000)]

Properly zero the worker structure when we start a thread.

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phk [Tue, 18 Jul 2006 13:47:10 +0000 (13:47 +0000)]

eliminate debugging

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phk [Tue, 18 Jul 2006 13:19:55 +0000 (13:19 +0000)]

Delete binheap root by it's index.

Expect a refcount of one (the one holding the object in the hash)

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phk [Tue, 18 Jul 2006 13:18:50 +0000 (13:18 +0000)]

Fix the Parent calculation

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phk [Tue, 18 Jul 2006 12:46:23 +0000 (12:46 +0000)]

Set the index of deleted elements to zero

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phk [Tue, 18 Jul 2006 12:40:17 +0000 (12:40 +0000)]

Move the root index from zero to one

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phk [Tue, 18 Jul 2006 12:29:11 +0000 (12:29 +0000)]

Remove the deref/unbusy stuff from FetchBody() it's done in central.c

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phk [Tue, 18 Jul 2006 12:28:32 +0000 (12:28 +0000)]

Assert that object is busy when we call unbusy

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phk [Tue, 18 Jul 2006 12:27:57 +0000 (12:27 +0000)]

Use a void * for http_Read()'s buffer

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phk [Tue, 18 Jul 2006 10:48:21 +0000 (10:48 +0000)]

Braino this time.

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phk [Tue, 18 Jul 2006 10:45:57 +0000 (10:45 +0000)]

typo

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phk [Tue, 18 Jul 2006 10:45:15 +0000 (10:45 +0000)]

Add http_Read() which reads from a socket but soaks up any prefeched
tail first and use it all the places where this logic was explicit
before.

Fix Refcounting on objects when we insert/deliver

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phk [Tue, 18 Jul 2006 10:32:40 +0000 (10:32 +0000)]

Use bigger buffersizes for pass mode

Terminate the sbuf with the reply headers properly.

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phk [Tue, 18 Jul 2006 09:02:56 +0000 (09:02 +0000)]

Retire the http_GetReq(), http_GetURL() and http_GetProto() accessor
functions now that struct http is out of the closet.

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phk [Tue, 18 Jul 2006 08:52:07 +0000 (08:52 +0000)]

polish

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phk [Tue, 18 Jul 2006 08:51:42 +0000 (08:51 +0000)]

zero means 'all' to http_GetTail()

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phk [Fri, 14 Jul 2006 13:54:41 +0000 (13:54 +0000)]

use space to separate host and port in -b

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phk [Fri, 14 Jul 2006 13:52:11 +0000 (13:52 +0000)]

Use space to separate host and port in backend spec.

Polish usage message a bit.

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phk [Fri, 14 Jul 2006 13:33:26 +0000 (13:33 +0000)]

When during a lookup we encounter a busy object, queue the session on
the objects waitinglist and disembark the worker thread so it can do
something sensible in the mean time.

This feature is unimportant in normal operation, but crucial to
resource management if a popular URL suddenly takes a long time to
reply from the backend.

Without this bit if semi-nasty code, we would tie up one worker
thread per client while waiting for the backend to come to it's
senses.

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phk [Fri, 14 Jul 2006 12:47:09 +0000 (12:47 +0000)]

Have the acceptor launch the session into STP_RECV

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phk [Fri, 14 Jul 2006 12:45:56 +0000 (12:45 +0000)]

Use the fact that we have the worker thread in struct sess now.

Move initial and final processing into cnt_recv() and cnt_done()

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phk [Fri, 14 Jul 2006 12:30:49 +0000 (12:30 +0000)]

Have the states tell us if we are done yet with their return value,
so that we can implement disembarking the worker thread of the object
is busy.

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phk [Fri, 14 Jul 2006 12:22:44 +0000 (12:22 +0000)]

Put a starttime in shmem so varnishstat can show average rates.

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phk [Fri, 14 Jul 2006 12:12:46 +0000 (12:12 +0000)]

Flexelint'ing, found a spurious ';'

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phk [Fri, 14 Jul 2006 12:05:28 +0000 (12:05 +0000)]

More SHM creation polishing

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phk [Fri, 14 Jul 2006 11:44:28 +0000 (11:44 +0000)]

Better and more paranoid SHMEM creation logic

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phk [Fri, 14 Jul 2006 11:42:29 +0000 (11:42 +0000)]

propset Id

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phk [Fri, 14 Jul 2006 11:20:10 +0000 (11:20 +0000)]

Change "client" to "srcaddr", it's more descriptive.

Add srcaddr management and start charging bytes to the srcaddr.

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phk [Fri, 14 Jul 2006 10:34:06 +0000 (10:34 +0000)]

Rework the way we do ascii representations of addresses

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phk [Fri, 14 Jul 2006 10:16:27 +0000 (10:16 +0000)]

Move session management to new file (cache_session, SES prefix) in
preparation of adding client tracking.

Move the iovec's from the session to the worker and give the session
a pointer to the worker so we can avoid passing it around as argument.

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phk [Wed, 12 Jul 2006 23:30:49 +0000 (23:30 +0000)]

More Flexelinting

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phk [Wed, 12 Jul 2006 22:52:08 +0000 (22:52 +0000)]

More flexelinting.

No bugs so far.

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phk [Wed, 12 Jul 2006 22:07:00 +0000 (22:07 +0000)]

Flexelint harder.

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phk [Wed, 12 Jul 2006 22:01:43 +0000 (22:01 +0000)]

Give this file a flexelinting

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phk [Wed, 12 Jul 2006 22:01:15 +0000 (22:01 +0000)]

Improve the INCOMPL() macro.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@462 d4fa192b-c00b-0410-8231-f00ffab90ce4

Varnish, the HTTP accelerator

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