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From: Alfred Perlstein <alfred@FreeBSD.org>
Date: Wed, 6 Sep 2000 11:49:14 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern uipc_accf.c src/sys/netinet accf_http.c
         src/sys/sys socketvar.h
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alfred      2000/09/06 11:49:14 PDT

  Modified files:
    sys/kern             uipc_accf.c 
    sys/netinet          accf_http.c 
    sys/sys              socketvar.h 
  Log:
  Accept filter maintainance
  
  Update copyrights.
  
  Introduce a new sysctl node:
    net.inet.accf
  
  Although acceptfilters need refcounting to be properly (safely) unloaded
  as a temporary hack allow them to be unloaded if the sysctl
  net.inet.accf.unloadable is set, this is really for developers who want
  to work on thier own filters.
  
  A near complete re-write of the accf_http filter:
    1) Parse check if the request is HTTP/1.0 or HTTP/1.1 if not dump
       to the application.
       Because of the performance implications of this there is a sysctl
       'net.inet.accf.http.parsehttpversion' that when set to non-zero
       parses the HTTP version.
       The default is to parse the version.
    2) Check if a socket has filled and dump to the listener
    3) optimize the way that mbuf boundries are handled using some voodoo
    4) even though you'd expect accept filters to only be used on TCP
       connections that don't use m_nextpkt I've fixed the accept filter
       for socket connections that use this.
  
  This rewrite of accf_http should allow someone to use them and maintain
  full HTTP compliance as long as net.inet.accf.http.parsehttpversion is
  set.
  
  Revision  Changes    Path
  1.3       +18 -9     src/sys/kern/uipc_accf.c
  1.2       +258 -82   src/sys/netinet/accf_http.c
  1.52      +2 -1      src/sys/sys/socketvar.h



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