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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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Terminate the sbuf with the reply headers properly.



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functions now that struct http is out of the closet.



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Polish usage message a bit.


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


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so that we can implement disembarking the worker thread of the object
is busy.



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Add srcaddr management and start charging bytes to the srcaddr.



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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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No bugs so far.



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Clean up naming for consistency while here.



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Respect '#' comments in script file.



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not have to copy&paste the default methods if they have no special
requirements for a particular method.

No such facility exists for backends, so a backend description is
now the minumum VCL program.

When we initialize the VCL compiler we hand it a piece of source code
with the "default code", this must include definitions of all methods
named with a "default_" prefix (ie: "default_vcl_recv" etc).

During compilation we always compile this piece of source code in (after
the user supplied VCL source).

If the user did not provide a particular method, the default method is
used instead.  The user can also call the default method directly,
for instance by:

	sub vcl_recv {
		if (req.http.Expect) {
			error;
		}
		call default_vcl_recv;
	}

Later on, this could be expanded to allow other subroutines to be
included in the default VCL for the users calling convenience.



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Pause after cli until we see "OK"



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