je at instadia
Nov 2, 2004, 8:50 AM
Post #1 of 2
(2191 views)
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Ldirectord check_https problems
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Hi Ldirectord specialists,
I have big problems monitor https-services, causing all https-services
to be down.
>From debugging ldirectord, I have the following.
-------------- snippet of debug-print start
sslcat 11324: sending 70 bytes...
write_all VM at entry=vm_unknown
written so far 70:70 bytes (VM=vm_unknown)
waiting for reply...
got 602:0 bytes (VM=vm_unknown).
got 0:602 bytes (VM=vm_unknown).
Got 602 bytes.
DEBUG2: Result: HTTP/1.1 200 OK
DEBUG2: Status: 16777215
DEBUG2: Disabled server=10.5.1.21
-------------- stop
It seems that the child-process are doing what it's supposed to.
The webpage is found, retrieved and the receive-string matches.
It then returns 0. So far everything is OK.
However, in the master-process it doesn't get this status - instead the
value is -1. Shifting this >> 8 gives us 16777215 - which is not equal
to 0 - and therefore the server is disabled.
I'm not a perl programmer, but I think my problem has somethig to do
with the forking.
If I comment out the line: local $SIG{'CHLD'} = "IGNORE";
in "sub check_https". It seems to work.
Then status 0 is fetched, and the https service made available.
What function does this line have?
Is it Ok to remove it? or are there any other workarounds I should try.
I'm running Debian (sarge) with
Perl 5.8.4-2.3, and a 2.6.8.1-kernel.
Regards, Johan
--
Johan Elmerfjord, CTO
Instadia A/S
Islands Brygge 43
DK-2300 Copenhagen
Tel. +45 36 98 89 55
Fax. +45 36 98 89 51
http://www.instadia.net
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