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phk [Tue, 20 Jun 2006 19:38:04 +0000 (19:38 +0000)]

FlexeLint files

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phk [Tue, 20 Jun 2006 19:37:46 +0000 (19:37 +0000)]

FlexeLint cleanups

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phk [Tue, 20 Jun 2006 19:31:46 +0000 (19:31 +0000)]

Polish things to silence FlexeLint a bit

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phk [Tue, 20 Jun 2006 11:39:20 +0000 (11:39 +0000)]

Rename vcl_lang.h to vcl.h and include practically nowhere.

Remove #include bogohandling in vcl_gen_fixed_token.tcl

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phk [Tue, 20 Jun 2006 10:31:50 +0000 (10:31 +0000)]

At the expense of some complexity and a small runtime overhead,
isolate the compiled code from the internal structures of the cache
process through of VRT functions.

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phk [Tue, 20 Jun 2006 09:41:43 +0000 (09:41 +0000)]

Work towards making struct sess opaque to the generated code.

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phk [Tue, 20 Jun 2006 09:28:00 +0000 (09:28 +0000)]

Rename the VCL compilers public functions to VCC prefix

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phk [Tue, 20 Jun 2006 09:25:21 +0000 (09:25 +0000)]

Get rid of VCL_FARGS and VCL_PASS_ARGS macros.

Generate VGC prefixes instead of VCL.

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phk [Tue, 20 Jun 2006 09:15:39 +0000 (09:15 +0000)]

Start putting some structure in the sources relating to VCL handling:

Split the runtime support for compiled varnish programs out and give it the
prefix "VRT".

Start using the prefix "VGC" for generated code.

Prefix "VCC" will be for the compiler and "VCL" for calling the compiled and
loaded functions.

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phk [Sun, 18 Jun 2006 10:28:11 +0000 (10:28 +0000)]

Output line+pos for counts.

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phk [Sun, 18 Jun 2006 10:19:54 +0000 (10:19 +0000)]

Insert a count-point after each conditional.

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phk [Sun, 18 Jun 2006 10:16:38 +0000 (10:16 +0000)]

Get the sense of string compares right.

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phk [Sun, 18 Jun 2006 10:12:38 +0000 (10:12 +0000)]

debug printf for max-age

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phk [Sun, 18 Jun 2006 10:10:45 +0000 (10:10 +0000)]

Implement req.request properly

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phk [Sun, 18 Jun 2006 10:04:09 +0000 (10:04 +0000)]

Pass if we spot an Authenticate or Cookie header

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phk [Sun, 18 Jun 2006 10:03:43 +0000 (10:03 +0000)]

Add VCL function for getting HTTP header

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phk [Sun, 18 Jun 2006 10:02:35 +0000 (10:02 +0000)]

Add support for investigating random HTTP headers.

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phk [Sun, 18 Jun 2006 09:16:26 +0000 (09:16 +0000)]

Add wrappers around VCL methos so logging and checking of returned handling
can be centralized.

Remove old handling callbacks.

Call hit/miss methods instead of lookup method.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@198 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Sun, 18 Jun 2006 09:14:12 +0000 (09:14 +0000)]

add explicit "lookup" to recv method

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@197 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Sun, 18 Jun 2006 09:11:59 +0000 (09:11 +0000)]

Correctly handle \ sequences in .h files in vcl_gen_fixed_token.tcl

Make handling a named enum, and use it as a bitmap.

Add "lookup" reserved word

Add VCL_done() macro to use in compiled code to set handling and drop
the per-handling callbacks (apart from VCL_error())

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phk [Sun, 18 Jun 2006 07:28:19 +0000 (07:28 +0000)]

Add "deliver" keyword to VCL compiler.

Split vcl_lookup() in vcl_hit() and vcl_miss()

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phk [Fri, 16 Jun 2006 10:22:40 +0000 (10:22 +0000)]

Initial http_GetHdrField() function.

Improve chunked encoding, allocate big storage chunks and trim the
last one at the end, instead of one storage chunk for each chunk
the remote server sends.

Call RFC2616 policy code.

Store headers from backend in cache and return to client.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@194 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Fri, 16 Jun 2006 10:20:12 +0000 (10:20 +0000)]

Add header field to object

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phk [Fri, 16 Jun 2006 10:19:44 +0000 (10:19 +0000)]

Supress Transfer-Encoding

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phk [Fri, 16 Jun 2006 10:18:08 +0000 (10:18 +0000)]

The beginnings of rfc2616 policy implemenation.

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phk [Fri, 16 Jun 2006 10:17:25 +0000 (10:17 +0000)]

Add trim method to storage backends so chunked encoding can be
stored efficiently.

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phk [Fri, 16 Jun 2006 10:16:00 +0000 (10:16 +0000)]

Add time parse/format functions to libvarnish

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phk [Thu, 15 Jun 2006 08:04:46 +0000 (08:04 +0000)]

less noise

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phk [Thu, 15 Jun 2006 08:04:19 +0000 (08:04 +0000)]

Less noise

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phk [Wed, 14 Jun 2006 09:57:19 +0000 (09:57 +0000)]

start examining HTTP status codes from backend

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phk [Wed, 14 Jun 2006 09:39:31 +0000 (09:39 +0000)]

Add vca_write_obj() which writes an sbuf (as) HTTP header and the
object from the sessions to the client.

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phk [Wed, 14 Jun 2006 09:25:13 +0000 (09:25 +0000)]

Clean up session messages a bit

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phk [Wed, 14 Jun 2006 09:23:50 +0000 (09:23 +0000)]

Add HttpError tag

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phk [Wed, 14 Jun 2006 09:03:45 +0000 (09:03 +0000)]

Sanitize close/recycle session logic a bit.

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phk [Wed, 14 Jun 2006 08:53:21 +0000 (08:53 +0000)]

Initialize the cache_acceptor.c/VCA in the same manner as other parts.

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phk [Wed, 14 Jun 2006 07:21:48 +0000 (07:21 +0000)]

Give storage backends a "send" method.

Let storage_file use sendfile(2) for it.

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phk [Wed, 14 Jun 2006 06:58:55 +0000 (06:58 +0000)]

Complete the storage_file method.

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phk [Tue, 13 Jun 2006 20:09:29 +0000 (20:09 +0000)]

Default to "file" stevedore from now on.

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phk [Tue, 13 Jun 2006 20:06:45 +0000 (20:06 +0000)]

Be more aggressive about mmap'ing memory. The size_t thing is a bogus
constraint in FreeBSD and we shouldn't really listen to it.

On my laptop I can mmap 2422MB file this way.

This may be so aggressive that it leaves insufficient address space for
malloc/threadstacks and other issues.

If we find a way to pick up a platform/architecture specific limit, we
can enforce that along the way.

For now people can just specify a saner and smaller "-sfile" size.

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phk [Tue, 13 Jun 2006 13:47:51 +0000 (13:47 +0000)]

mmap as much as the file as we are able to when the cache process opens
the stevedore.

This should probably be (fine-)tuned later on as it might be too aggressive
when faced with user errors.

Also, might it be possible to mmap() more than MAX_SIZE_T bytes if
it is done in multiple calls ?

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phk [Tue, 13 Jun 2006 13:14:12 +0000 (13:14 +0000)]

Calculate the size of the backing store file.

A size can be specified in absolute terms (suffix: k, m, g, t supported),
but also as a percentage of the filesystems free space (suffix '%').

If the specified size is larger than an off_t can cope, we bisect
repeatedly until it can.

If the size exceeds the available space of the filesystem, we truncate
to 80% of the free space.

Then round down to an integral number of blocks, sized by the larger
of the filesystem blocksize and the pagesize.

This was tricker than I'd expected...

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phk [Tue, 13 Jun 2006 13:10:09 +0000 (13:10 +0000)]

Clone the stevedore before calling its init function and be more precise
about any optional arguments.

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phk [Tue, 13 Jun 2006 08:05:33 +0000 (08:05 +0000)]

After having a strong cup of tea: don't name files with leading underscore
even though that's how FreeBSD's kernel does it. In my private world
a leading underscore means "junk file, remove at your pleasure".

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phk [Tue, 13 Jun 2006 08:02:59 +0000 (08:02 +0000)]

Clone the malloc stevedore to the file stevedore

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phk [Tue, 13 Jun 2006 07:59:20 +0000 (07:59 +0000)]

Remember to tell getopt about -s

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phk [Tue, 13 Jun 2006 07:57:32 +0000 (07:57 +0000)]

Put more meat on the stevedore (storage backend) interface:

Pull the struct definition into _stevedore.h and include this from
cache.h and mgt.h, they both need to be able to see it.

Add the stevedore pointer as an argument to the stevedore alloc function
so multiple stevedores is possible later on.

Add the stevedore pointer to the storage object, so freeing it again is
possible.

Add -s argument processing to select a given stevedore, call it's ->init
method and pass the stevedore in the heritage.

In the cache process pick stevedore out from heritage, call its open method.

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phk [Tue, 13 Jun 2006 07:26:20 +0000 (07:26 +0000)]

Use NULL init method

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phk [Tue, 13 Jun 2006 07:25:20 +0000 (07:25 +0000)]

Allow for NULL init methods for hash and stevedore

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phk [Mon, 1 May 2006 12:59:34 +0000 (12:59 +0000)]

Use vca_write/vca_flush

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phk [Mon, 1 May 2006 12:59:12 +0000 (12:59 +0000)]

Use vca_write/vca_flush

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phk [Mon, 1 May 2006 12:51:48 +0000 (12:51 +0000)]

Use vca_write/vca_flush

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phk [Mon, 1 May 2006 12:45:20 +0000 (12:45 +0000)]

Add vca_write() and vca_flush(), two functions which will attempt to
use writev() if possible.

vca_flush() must be called before any memory previosly given to
vca_write is overwritten, and after the last call to vca_write()

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phk [Mon, 1 May 2006 12:28:27 +0000 (12:28 +0000)]

Add FlexeLint files

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phk [Mon, 1 May 2006 12:27:51 +0000 (12:27 +0000)]

bandaid for name-clash

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phk [Mon, 1 May 2006 12:27:30 +0000 (12:27 +0000)]

Keep track of how many connections we have open

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phk [Mon, 1 May 2006 12:27:10 +0000 (12:27 +0000)]

add missing extern

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phk [Mon, 1 May 2006 10:55:27 +0000 (10:55 +0000)]

Add INCOMPL() macro to mark missing code.

Add http_HdrIs() to check if we have a given header and if we do
if it has a given value.

Use it.

Ignore SIGPIPE since SO_NOSIGPIPE doesn't work reliably, (but set
it on accepted TCP connections anyway).

Update passing to match fetching, including a chunked encoding method.

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phk [Mon, 1 May 2006 07:54:13 +0000 (07:54 +0000)]

Add yet another thread with an event engine to monitor idle backend
connections and clean them out if the backend closes.

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phk [Mon, 1 May 2006 07:53:21 +0000 (07:53 +0000)]

Centralize "Connection: close" handling from the backend.

Loop until we have the entire chunk in chunked encoding

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phk [Tue, 25 Apr 2006 09:32:14 +0000 (09:32 +0000)]

test backend connections at allocation time.

General bush-wacking in the fetch code.

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phk [Tue, 25 Apr 2006 09:31:28 +0000 (09:31 +0000)]

Fix argument to http_BuildSbuf

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phk [Tue, 25 Apr 2006 09:30:53 +0000 (09:30 +0000)]

Keep alive often enough

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phk [Tue, 25 Apr 2006 08:17:43 +0000 (08:17 +0000)]

Make width colum wider and decimal

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phk [Tue, 25 Apr 2006 08:17:17 +0000 (08:17 +0000)]

Add new shmlog tags and handling states

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phk [Tue, 25 Apr 2006 08:14:29 +0000 (08:14 +0000)]

Implement a rudimentary chunked Transfer-Encoding

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phk [Tue, 25 Apr 2006 07:10:36 +0000 (07:10 +0000)]

reset header count before we dissect

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phk [Tue, 25 Apr 2006 07:04:43 +0000 (07:04 +0000)]

Track backend connections in shmem log

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phk [Tue, 25 Apr 2006 06:52:26 +0000 (06:52 +0000)]

Add an end pointer so allocation size can be changed on the fly

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phk [Tue, 25 Apr 2006 06:48:56 +0000 (06:48 +0000)]

Move shmlog entry, remove debugging

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phk [Tue, 25 Apr 2006 06:16:22 +0000 (06:16 +0000)]

Redo http header storage and processing

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phk [Mon, 24 Apr 2006 19:10:09 +0000 (19:10 +0000)]

Add an indecisive comment

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phk [Mon, 24 Apr 2006 19:09:32 +0000 (19:09 +0000)]

Sort and annotate

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phk [Wed, 19 Apr 2006 06:38:57 +0000 (06:38 +0000)]

Loop until we have read it all

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phk [Wed, 19 Apr 2006 06:34:10 +0000 (06:34 +0000)]

Implement enough of FetchSession and DeliverSession that we can actually
deliver a cached object.

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phk [Tue, 18 Apr 2006 08:23:44 +0000 (08:23 +0000)]

Add busyflag and strorage link to objects.

Initialize default hasher and stevedore.

Give each workerthread an object pointer to be kept populated with
a template object for when lookups miss and need to insert one.

Add libmd to get MD5, (choice of hash-algorithm to be revisited later)

Implement lookup, begin on fetch.

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phk [Tue, 18 Apr 2006 07:34:24 +0000 (07:34 +0000)]

Add trivial malloc backed storage backend.

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phk [Wed, 12 Apr 2006 08:58:54 +0000 (08:58 +0000)]

Implement the three function VCL model in the compiler.

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phk [Wed, 12 Apr 2006 08:56:48 +0000 (08:56 +0000)]

Add ETag: header

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phk [Tue, 11 Apr 2006 08:28:20 +0000 (08:28 +0000)]

Beginnings of the object lookup stuff: A simple list based
implementation to get things moving.

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phk [Thu, 6 Apr 2006 10:01:09 +0000 (10:01 +0000)]

Close or recycle backend connections as appropriate

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phk [Thu, 6 Apr 2006 10:00:45 +0000 (10:00 +0000)]

Add VBE_RecycleFd() function to recycle backend connections

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phk [Thu, 6 Apr 2006 09:59:30 +0000 (09:59 +0000)]

Pass Content-Encoding header

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phk [Thu, 6 Apr 2006 09:38:00 +0000 (09:38 +0000)]

Output the fd in decimal instead of hex.

Do Id Keyword

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phk [Thu, 6 Apr 2006 09:33:19 +0000 (09:33 +0000)]

Rename hdr_end to a more sensible rcv_ptr which points to the first
unaccounted for character in the buffer.

Do Id Keyword

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phk [Thu, 6 Apr 2006 09:30:46 +0000 (09:30 +0000)]

Add shmlog tags for pipe and pass handling

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phk [Thu, 6 Apr 2006 09:11:28 +0000 (09:11 +0000)]

Log tag for session reuse.

Do Id Keyword

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phk [Thu, 6 Apr 2006 09:10:24 +0000 (09:10 +0000)]

Recycle sessions instead of retiring them.

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phk [Thu, 6 Apr 2006 09:09:58 +0000 (09:09 +0000)]

Prune the bits we used from the input buffer before we recycle the
session.

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phk [Thu, 6 Apr 2006 09:09:09 +0000 (09:09 +0000)]

Add a vca_recycle_session() function which sticks a session back into
the acceptors event engine.

Do Id keyword

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phk [Thu, 6 Apr 2006 09:08:13 +0000 (09:08 +0000)]

Don't log the terminating NUL on response proto field.

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phk [Thu, 6 Apr 2006 08:18:53 +0000 (08:18 +0000)]

Add an assert, remove debugging.

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phk [Thu, 6 Apr 2006 08:18:11 +0000 (08:18 +0000)]

Respect VCL choice of handling

Do Id keyword

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phk [Thu, 6 Apr 2006 08:16:26 +0000 (08:16 +0000)]

Don't attempt to restart child process (yet).

Add Id Keyword handling

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phk [Thu, 6 Apr 2006 08:15:46 +0000 (08:15 +0000)]

It's cheaper to pipe than to pass, so if the client indicates
"Connection: close", pipe instead of passing.

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phk [Thu, 6 Apr 2006 07:50:58 +0000 (07:50 +0000)]

Use HttpdBuildSbuf()

Enable Id keyword

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phk [Thu, 6 Apr 2006 07:50:05 +0000 (07:50 +0000)]

Add a function to (re)build a HTTP request or response into an sbuf.

Enable Id keyword

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phk [Wed, 5 Apr 2006 10:33:37 +0000 (10:33 +0000)]

Eliminate leaked developer hacks.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@119 d4fa192b-c00b-0410-8231-f00ffab90ce4

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phk [Wed, 5 Apr 2006 09:40:22 +0000 (09:40 +0000)]

Account for the last byte of the header.

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des [Tue, 4 Apr 2006 10:35:49 +0000 (10:35 +0000)]

I can't get AM_CONDITIONAL to work properly, so use a bigger hammer.

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des [Tue, 4 Apr 2006 10:09:37 +0000 (10:09 +0000)]

More portability changes: include config.h and compat.h, get rid of __unused.

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@116 d4fa192b-c00b-0410-8231-f00ffab90ce4

Varnish, the HTTP accelerator

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