How to use new cluster 'cl' commands from c/c++ code

Hi All
I need to invoke cluster commands from c/c++ code and parse the output to retrieve neccessary fields e.g status to be used in program.
e.g
#cluster status
I need to capture output and use it in c/c++ code.
Does any one have tried to use new cluster 'cl' commands from c/c++ code??
Thanks
Pandit

The output of the cl* commands is for human consumption and as such (as most administrative commands) the output is not considered stable, so it could change with a Patch, etc.
Instead you should use the cluster api to retreive the information you need.
The Sun Cluster Data Services Developer's Guide for Solaris OS (http://docs.sun.com/app/docs/doc/819-2972?a=expand) describes the various possibilities, including the C API.
Read especially http://docs.sun.com/app/docs/doc/819-2972/6n57ngitf?a=view for more details as which functions are available via the libdsdev. Each function has a specific manpage outlining the lib and includes needed as well es which information it offers.
In your example, you can use scha_resource_get() (3HA) in order to retrieve the status of a specific resource (http://docs.sun.com/app/docs/doc/819-3055/6n5a6lhnl?a=view).
Greets
Thorsten

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Alex Rast wrote in message
news:[email protected]...
> I'm working on a problem where I seem to be getting lost in a sea of
> possibilities, none of which strikes me as optimum. Here's what I need to
do.
>
> I've got an input array of clusters (ARR1). Each cluster contains the
> following components: an integer (INT1), a ring variable (RING1), a
boolean
> (BOOL1) and a cluster which itself is simply a bunch of ring variables
> (CLUST1) Now, I need to transform that into a set of clusters (CLUST3)
each of
> which contains an array of characters (CHARARY2), a copy of the ring
variable
> (RING2), a copy of the boolean variable (BOOL2) and a copy of the cluster
> (CLUST2).
>
> To build the CLUST3, I need to find all elements within ARR1 that have the
> same unique combination of RING1 and BOOL1, and if BOOL1 is True, then
RING1
> in addition, build an array of all the INT1 values corresponding to each
> unique combination above converted to character, and then bundle this
array
> plus the unique combination of the other variables into a new cluster. In
> general I could have several such clusters.
>
> So if I had the following array to start with:
>
> Index INT1 RING1 BOOL1 CLUST1
> ---------------------------------------------------
> 0 3 1 F {Values1}
> 1 2 1 T {Values2}
> 2 4 0 F {Values1}
> 3 6 0 F {Values3}
> 4 1 2 T {Values2}
> 5 4 2 T {Values2}
> 6 3 0 T {Values3}
> 7 4 2 T {Values3}
>
> I should end up with the following clusters:
>
> CHARARY2 RING2 BOOL1 CLUST1
> -----------------------------------------------------
> "3" 1 F Don't care
> "2" 1 T {Values2}
> "4","6" 0 F Don't care
> "1","4" 2 T {Values2}
> "3" 0 T {Values3}
> "4" 2 T {Values3}
>
> What methods would you suggest for accomplishing this easily and
efficiently?
>
> Alex Rast
> [email protected]
> [email protected]

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