Re: ARRAY CARP users
- From: Christian.Schramm@xxxxxxxxxxxxxx
- To: isalist@xxxxxxxxxxxxx
- Date: Tue, 15 Jul 2003 15:47:25 +0200
Hi David,
Below is _not_ the original return from ISA server, but the hash function
which is responsible for URL routing is included. I hope this helps you any
further..
Greets,
Christian
-------------------------------------------------------------------
BackupRoute="PROXY 1.1.1.1:8080";
cNodes=2;
function MakeProxies(){
this[0]=new Node("1.1.1.2:8080",529326624,1.000000);
this[1]=new Node("1.1.1.3:8080",1471101161,1.000000);
}
Proxies = new MakeProxies();
function Node(name, hash, load){
this.name = name;
this.hash = hash;
this.load = load;
this.score = 0;
return this;
}
function FindProxyForURL(url, host)
{
if (isPlainHostName(host))
return "DIRECT";
var urlhash, ibest, bestscore, list, i, j;
urlhash = HashString(url);
for (i = 0; i < cNodes; i++)
Proxies[i].score = Proxies[i].load * Scramble(MakeInt(urlhash ^
Proxies[i].hash));
list = "";
for (j = 0; j < cNodes; j++) {
for (bestscore = -1, i = 0; i < cNodes; i++) {
if (Proxies[i].score > bestscore) {
bestscore = Proxies[i].score;
ibest = i;
}
}
Proxies[ibest].score = -1;
list = list + "PROXY " + Proxies[ibest].name + "; ";
}
list = list + BackupRoute;
return list;
}
function HashString(url){
var h = 0;
var slashes = 0;
for (var i = 0; i < url.length; i++) {
var c = url.charAt(i);
if (c == '/')
slashes++;
if (slashes < 3)
c = c.toLowerCase();
h += (((h & 0x1fff) << 19) | ((h >> 13) & 0x7ffff)) + CharToAscii(c);
h = MakeInt(h);
}
return h;
}
function Scramble(h){
h += ((h & 0xffff) * 0x1965) + ((((h >> 16) & 0xffff) * 0x1965) << 16) +
(((h & 0xffff) * 0x6253) << 16);
h = MakeInt(h);
h += (((h & 0x7ff) << 21) | ((h >> 11) & 0x1fffff));
return MakeInt(h);
}
var Chars ="
!\"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghi
jklmnopqrstuvwxyz{|}~âÂ???????????ÂÅÂÂ????????????ÂÅ?ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ
ÂÂÂÂÂÂÂÂÂÂÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ
";
function CharToAscii(c){
return Chars.indexOf(c) + 32;
}
function MakeInt(x){
if (x < 0) {
return x + 4294967296;
} else if (x >= 4294967296) {
return x - 4294967296;
}
return x;
}
_-----------------------------------------------------------
> -----UrsprÃngliche Nachricht-----
> Von: David Farinic [mailto:davidf@xxxxxxx]
> Gesendet: Dienstag, 15. Juli 2003 15:37
> An: [ISAserver.org Discussion List]
> Betreff: [isalist] Re: ARRAY CARP users
>
>
> http://www.ISAserver.org
>
>
> I just want to see form and extend of data information
> returned within ISA arrays with CARP switched on. As one of
> data returned is used for hashing in CARP... and I am solving
> some small problem to reassure same URL routing with CARP ON.
>
> David FArinic
> -----Original Message-----
> From: Jim Harrison [mailto:jim@xxxxxxxxxxxx]
> Sent: Tuesday, July 15, 2003 3:29 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] Re: ARRAY CARP users
>
> http://www.ISAserver.org
>
>
> What are you looking for?
>
> Jim Harrison
> MCP(NT4, W2K), A+, Network+, PCG
> http://isaserver.org/Jim_Harrison/
> http://isatools.org
> Read the help / books / articles!
>
>
>
> http://www.ISAserver.org
>
>
>
> Hi ISA ppl,
>
> Can anybody, who has ISA array, request url:
> http://ip_of_one_of_your_isa_servers:8080/array.dll?Get.Info.v1
> via browser and paste me result page? (u can hide any ips or private
> informations)
>
> Thank You David Farinic
>
>
>
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> Other Internet Software Marketing Sites:
> Leading Network Software Directory:
> http://www.serverfiles.com No.1 Exchange > Server Resource
> Site: http://www.msexchange.org Windows Security Resource
> Site: http://www.windowsecurity.com/ Network Security
> Library: http://www.secinf.net/ Windows 2000/NT Fax
> Solutions: http://www.ntfaxfaq.com
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