Re: Squid icap preview problem

[Amos Jeffries <squid3@xxxxxxxxxxxxx>]

On Tue, 10 Nov 2009 08:02:49 -0800 (PST), akinf
<fatih.akin@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> I configured squid to enable icap preview in squid.conf like below,
squid
> sends me options request and 
> i include preview also in repsonse, but squid does not send me preview
> header and no previewing occurs.
> Logs are outlined below, could you please help?
> 
> icap_enable on
> icap_send_client_ip on
> icap_preview_enable on
> icap_preview_size 0

You expect to pass zero bytes of preview and see it?

 -1 == no preview, otherwise it's a fixed byte size.
 It can be overridden by the ICAP OPTIONS response, but your OPTIONS
response says "Preview: 0" which I take it means 0 bytes again.

Amos

> 
> icap_service service_1 reqmod_precache 0 icap://localhost:1344/tt
> adaptation_service_set service_set_1 service_1
> adaptation_access service_set_1 allow all
> 
> icap_service service_2 respmod_precache 0 icap://localhost:1344/tt
> adaptation_service_set service_set_2 service_2
> adaptation_access service_set_2 allow all
> 
> 
> 
> 2009-11-10 17:25:17,481 DEBUG [ReadWriteDispatcherImpl-Thread-1]
> SelectableSocketEndpoint read 67 bytes on
> java.nio.channels.SocketChannel[connected local=/127.0.0.1:1344
> remote=/127.0.0.1:34802]:
> 0000  4f 50 54 49 4f 4e 53 20  69 63 61 70 3a 2f 2f 6c   OPTIONS 
icap://l
> 
> 0010  6f 63 61 6c 68 6f 73 74  3a 31 33 34 34 2f 74 74   ocalhost
:1344/tt
> 0020  20 49 43 41 50 2f 31 2e  30 0d 0a 48 6f 73 74 3a    ICAP/1.
0..Host:
> 0030  20 6c 6f 63 61 6c 68 6f  73 74 3a 31 33 34 34 0d    localho
st:1344.
> 0040  0a 0d 0a                                           ...
> 
> ................
> 
> [connected local=/127.0.0.1:1344 remote=/127.0.0.1:34802]:
> 0000  49 43 41 50 2f 31 2e 30  20 32 30 30 20 6f 6b 0d   ICAP/1.0  200
ok.
> 0010  0a 4f 70 74 4d 6f 63 6b  31 3a 20 76 31 0d 0a 4f   .OptMock 1:
v1..O
> 0020  70 74 4d 6f 63 6b 32 3a  20 76 32 0d 0a 4f 70 74   ptMock2: 
v2..Opt
> 0030  69 6f 6e 73 2d 54 54 4c  3a 20 33 36 30 30 30 0d   ions-TTL :
36000.
> 0040  0a 53 65 72 76 69 63 65  2d 49 44 3a 20 74 6f 74   .Service -ID:
tot
> 0050  6f 0d 0a 4d 6f 63 6b 2d  48 65 61 64 65 72 3a 20   o..Mock-
Header:
> 0060  6d 6f 63 6b 2d 76 61 6c  75 65 0d 0a 4d 65 74 68   mock-val
ue..Meth
> 0070  6f 64 73 3a 20 52 45 51  4d 4f 44 2c 20 52 45 53   ods: REQ MOD,
RES
> 0080  50 4d 4f 44 0d 0a 50 72  65 76 69 65 77 3a 20      PMOD..Pr eview:
> 0090  30 0d 0a 45 6e 63 61 70  73 75 6c 61 74 65 64 3a   0..Encap
sulated:
> 00a0  20 6e 75 6c 6c 2d 62 6f  64 79 3d 30 0d 0a 0d 0a    null-bo
dy=0....
> 
> -Thread-2] ReadWriteDispatcherImpl handled 0 job(s)
> 2009-11-10 17:25:17,539 DEBUG [ReadWriteDispatcherImpl-Thread-2]
> ReadWriteDispatcherImpl read ready on
> java.nio.channels.SocketChannel[connected local=/127.0.0.1:1344
> remote=/127.0.0.1:50751]
> 2009-11-10 17:25:17,540 DEBUG [ReadWriteDispatcherImpl-Thread-2]
> SelectableSocketEndpoint read 584 bytes on
> java.nio.channels.SocketChannel[connected local=/127.0.0.1:1344
> remote=/127.0.0.1:50751]:
> 0000  52 45 51 4d 4f 44 20 69  63 61 70 3a 2f 2f 6c 6f   REQMOD i
cap://lo
> 0010  63 61 6c 68 6f 73 74 3a  31 33 34 34 2f 74 74 20   calhost:
1344/tt
> 0020  49 43 41 50 2f 31 2e 30  0d 0a 48 6f 73 74 3a 20   ICAP/1.0
..Host:
> 0030  6c 6f 63 61 6c 68 6f 73  74 3a 31 33 34 34 0d 0a   localhos
t:1344..
> 0040  44 61 74 65 3a 20 54 75  65 2c 20 31 30 20 4e 6f   Date: Tu e, 10
No
> 0050  76 20 32 30 30 39 20 31  35 3a 32 35 3a 31 37 20   v 2009 1
5:25:17
> 0060  47 4d 54 0d 0a 45 6e 63  61 70 73 75 6c 61 74 65   GMT..Enc
apsulate
> 0070  64 3a 20 72 65 71 2d 68  64 72 3d 30 2c 20 6e 75   d: req-h dr=0,
nu
> 0080  6c 6c 2d 62 6f 64 79 3d  34 30 33 0d 0a 41 6c 6c   ll-body=
403..All
> 0090  6f 77 3a 20 32 30 34 0d  0a 58 2d 43 6c 69 65 6e   ow: 204.
.X-Clien
> 00a0  74 2d 49 50 3a 20 31 30  2e 35 32 2e 34 33 2e 32   t-IP: 10
.52.43.2
> 00b0  35 0d 0a 0d 0a 47 45 54  20 68 74 74 70 3a 2f 2f   5....GET 
http://
> 00c0  77 77 77 2e 73 61 68 69  62 69 6e 64 65 6e 2e 63   www.sahi
binden.c
> 00d0  6f 6d 2f 20 48 54 54 50  2f 31 2e 31 0d 0a 48 6f   om/ HTTP
/1.1..Ho
> 00e0  73 74 3a 20 77 77 77 2e  73 61 68 69 62 69 6e 64   st: www.
sahibind
> 00f0  65 6e 2e 63 6f 6d 0d 0a  41 63 63 65 70 74 3a 20   en.com..
Accept:
> 0100  74 65 78 74 2f 68 74 6d  6c 2c 61 70 70 6c 69 63   text/htm
l,applic
> 0110  61 74 69 6f 6e 2f 78 68  74 6d 6c 2b 78 6d 6c 2c   ation/xh
tml+xml,
> 0120  74 65 78 74 2f 63 73 73  2c 20 2a 2f 2a 0d 0a 41   text/css ,
*/*..A
> 0130  63 63 65 70 74 2d 43 68  61 72 73 65 74 3a 20 69   ccept-Ch arset:
i
> 0140  73 6f 2d 38 38 35 39 2d  31 2c 20 75 74 66 2d 38   so-8859- 1,
utf-8
> 0150  3b 20 71 3d 30 2e 37 2c  20 2a 3b 20 71 3d 30 2e   ; q=0.7,  *;
q=0.
> 0160  37 0d 0a 41 63 63 65 70  74 2d 45 6e 63 6f 64 69   7..Accep
t-Encodi
> 0170  6e 67 3a 20 67 7a 69 70  2c 20 64 65 66 6c 61 74   ng: gzip ,
deflat
> 0180  65 2c 20 78 2d 67 7a 69  70 2c 20 69 64 65 6e 74   e, x-gzi p,
ident
> 0190  69 74 79 3b 20 71 3d 30  2e 39 0d 0a 41 63 63 65   ity; q=0
.9..Acce
> 01a0  70 74 2d 4c 61 6e 67 75  61 67 65 3a 20 74 72 3b   pt-Langu age:
tr;
> 01b0  71 3d 31 2e 30 2c 65 6e  3b 71 3d 30 2e 35 2c 66   q=1.0,en
;q=0.5,f
> 01c0  72 3b 71 3d 30 2e 35 2c  64 65 3b 71 3d 30 2e 35   r;q=0.5,
de;q=0.5
> 01d0  2c 69 74 3b 71 3d 30 2e  35 2c 6e 6c 3b 71 3d 30   ,it;q=0.
5,nl;q=0
> 01e0  2e 35 0d 0a 55 73 65 72  2d 41 67 65 6e 74 3a 20   .5..User
-Agent:
> 01f0  4d 6f 7a 69 6c 6c 61 2f  35 2e 30 20 28 53 79 6d   Mozilla/ 5.0
(Sym
> 0200  62 69 61 6e 4f 53 2f 39  2e 31 3b 20 55 3b 20 65   bianOS/9 .1; U;
e
> 0210  6e 2d 75 73 29 20 41 70  70 6c 65 57 65 62 4b 69   n-us) Ap
pleWebKi
> 0220  74 2f 34 31 33 20 28 4b  48 54 4d 4c 2c 20 6c 69   t/413 (K HTML,
li
> 0230  6b 65 20 47 65 63 6b 6f  29 20 53 61 66 61 72 69   ke Gecko )
Safari
> 0240  2f 34 31 33 0d 0a 0d 0a                           /413....