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	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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on 32 bit architectures to avoid running out of address room

Make FlexeLint happy.


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Log in shmem where the TTL came from (doc-candidate):

	696613561 RFC 900 1153517009 1153517014 1153517914 900 0
        |         |   |   |          |          |          |   |
        |         |   |   |          |          |          |   age
        |         |   |   |          |          |          max-age
        |         |   |   |          |          Expires: header
        |         |   |   |          Date: header
        |         |   |   "now"
        |         |   TTL relative to "now"
        |         who set the TTL
        xid of object

or
	
	696613561 VCL 20 1153517009
	|         |   |  |
	|         |   |  "now"
	|         |   TTL relative to "now"
	|         who set the TTL
        xid of object




git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@551 d4fa192b-c00b-0410-8231-f00ffab90ce4

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



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VCL programs can manipulate.



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



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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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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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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.




git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@533 d4fa192b-c00b-0410-8231-f00ffab90ce4

logical.

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

Remove unused variable


git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@532 d4fa192b-c00b-0410-8231-f00ffab90ce4

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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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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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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