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- Threw latest changes into svn trunk
- Removed the conversion of manpages into utf8. They are all utf8 in trunk



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The vcl_hash() is now used to control which fields go
into the hash algorithm, and the default is stil,
as previously, the URL + Host: header.

But now it is controlled by the vcl code, with the
default vcl_hash() being:

	sub vcl_hash {
		req.hash += req.url;
		req.hash += req.http.host;
		hash;
	}

Once I get a bit further, this will be changed to

	sub vcl_hash {
		req.hash += req.url;
		if (req.http.host) {
			req.hash += req.http.host;
		} else {
			req.hash += server.ip;
		}
		hash;
	}

So that we correctly hash HTTP requests without Host:
headers, that go to a machine with multiple IP numbers.

If you want to add fields to the hash, just write
a vcl_hash that does not end in "hash;":

	sub vcl_hash {
		req.hash += req.http.cookie;
	}

If you want to override the default vcl_hash, just
say so:

	sub vcl_hash {
		req.hash += req.url;
		hash;	// do not continue into default vcl_hash
	}




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and create a function to figure this out, if present.

Add the req.hash variable and the += operator for it, so we
can put the actual hash contents under vcl control.

The runtime half of this stuff is not done yet.



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process to catch any implementation-discrepancies between symbols used
by the compiler and those implemented in the runtime.

The situation will happen from time to time and there is no need to
issue a panic when we can test sensibly for it.



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The definition of "server.ip" is what getsockname(2) returns
for our end of the connection.

Don't report ACL matches for acls created as a result of '==' or
'!=' usage on IP number variables.

Move storage for sess->sockaddr away from sessmem and expose
more code to <sys/socket.h>.  This is a network application
after all.

XXX: somebody with IPv6 connectivity needs to look at
ACLs in IPv6 context.



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It works by building a one-entry ACL of the subsequent tokens
and matching this ACL just like '~' would have done.

This means that it is possible to use the '!', '(...)', '/width'
constructs and domain-names in these comparisons.

Examples:


	if (client.ip == ( "www.freebsd.org" )) {

	if (client.ip == (! "localhost" )) {

	if (client.ip == (! "10.0.0.0"/8 )) {

or even

	if (client.ip != "somehost" / 28) {



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(It is my intent that the compiled-to C-source should have sensible
readability)



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caused the Varnish child to die immediately after sending its 503 response
if the backend didn't respond.

Reviewed by:	phk


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while the F_INVCL flag is set, we need to insert a newline before the
entry for the new VCL_call.


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which the parent pings the child.  Also document pipe_timeout, which was
left out of the man page by accident.


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 - change the type of vsl_handler()'s tag argument from unsigned int to
   enum shmlogtag to allow gcc to check switch statements and gdb to show
   its value by name rather than by number.
 
 - fix the "missing newline after VCL_call" bug in varnishlog (#95)


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Submitted by:	Pierre Queinnec <pierre.queinnec@zenika.com>



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