ap_proxy_connect_to_backend. It uses worker params for setting socket
options and checks for conection's connect status.
It works both on empty and acquired connections.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104595 13f79535-47bb-0310-9956-ffa450edef68

As for timeout their default value is from proxy_conf.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104594 13f79535-47bb-0310-9956-ffa450edef68

Use the same constructor as for theaded mpm's.
Added API's for destroying and closing connections

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104593 13f79535-47bb-0310-9956-ffa450edef68

the ProxyTimout sets. Also changed proxy_conf's timeout_set to int.

Use timeout_set for worker inherited from ProxyTimeout but overridable
using timout=xxx

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104592 13f79535-47bb-0310-9956-ffa450edef68

The timeout is in milliseconds to enable quick return in case the
reslist is exceded the maximum number of connections.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104591 13f79535-47bb-0310-9956-ffa450edef68

We will change the scheme hook api to include the worker.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104590 13f79535-47bb-0310-9956-ffa450edef68

Use named structure type declarations.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104589 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104588 13f79535-47bb-0310-9956-ffa450edef68

destruction when cleaning worker.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104587 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: jfclere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104586 13f79535-47bb-0310-9956-ffa450edef68

APR_HAS_THREADS enabled.

Add init_conn_worker for creating apr_reslist that maintains connection
pool. For prefork mpm's use the single connection container.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104585 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104584 13f79535-47bb-0310-9956-ffa450edef68

be in proxy_util.  Add a trace.

Submitted by:  mturk, jfclere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104583 13f79535-47bb-0310-9956-ffa450edef68

It will be used both for http and ajp handlers.
Started writing apr_reslist connection pool.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104582 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104581 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104580 13f79535-47bb-0310-9956-ffa450edef68

connection so it cen be obtained inside scheme handlers.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104579 13f79535-47bb-0310-9956-ffa450edef68

It calls the actual module pre_request hook if present

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104578 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: jfclere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104577 13f79535-47bb-0310-9956-ffa450edef68

They will be mainly used for loadbalancers for finding and maintaining workers.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104576 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: jfclere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104575 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104574 13f79535-47bb-0310-9956-ffa450edef68

  Missed a 2.0-HEAD proxy back-compat patch


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104573 13f79535-47bb-0310-9956-ffa450edef68

Added property  setter for balancers.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104572 13f79535-47bb-0310-9956-ffa450edef68

Add options for connection pool when using ProxyPass

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104571 13f79535-47bb-0310-9956-ffa450edef68

The same will be used for creating ProxyPass connection pools.

Added ttl param to worker for maintaining reslist.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104570 13f79535-47bb-0310-9956-ffa450edef68

before the connection pool is created

Added init_conn_pool to worker.
Connection pool will either use reslist (if thread number > 1)  or single connection.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104569 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104568 13f79535-47bb-0310-9956-ffa450edef68

Add BalancerStickySession and BalanceMember directives.
Add workers and balancers to create and merge config.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104567 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104566 13f79535-47bb-0310-9956-ffa450edef68

and note CHANGES so far to proxy

Submitted by:	mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104565 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104564 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104563 13f79535-47bb-0310-9956-ffa450edef68

Some renaming and style cleanup.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104562 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: jfclere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104561 13f79535-47bb-0310-9956-ffa450edef68

Makes more sense what's happening.

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104560 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: mturk


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104559 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: jfclere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104558 13f79535-47bb-0310-9956-ffa450edef68

Submitted by: jfclere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104557 13f79535-47bb-0310-9956-ffa450edef68

To load it:
+++
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
+++

And to use it something like:
+++
<Location /examples/>
ProxyPass ajp://backend.example.net:8009/examples/
</Location>
+++

proxy_ajp will not be enabled by default due to ./ajp dependencies

Build magic improvements: mturk, wrowe

Submitted by:  jfclere


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104556 13f79535-47bb-0310-9956-ffa450edef68