At a minimum, you're going to want a "WAIT" added to your "QUEUE GET"
request. Without the "WAIT", the "GET" request will return immediately
(indicating that there was no element -- you can check the RC for that)
with no data.
Charles Rankin
From:
"Avijit Roy" <[EMAIL PROTECTED]>
To:
"Edmonds, Michael" <[EMAIL PROTECTED]>,
<[email protected]>
Date:
10/16/2008 01:57 PM
Subject:
Re: [staf-users] Is there any way to track submitted request status
completion with basic STAF
I tried with following but didn’t get the expected result. Is there
anything wrong I am doing?
# fill in @machines
use strict;
use Data::Dumper;
use lib qw( ... ); # Path to PLSTAF
use PLSTAF;
my $name = "test";
&STAF::Register($name);
my $requests = 0;
my $command = "notepad";
my $request = "START COMMAND ".STAF::WrapData($command)."ASYNC
RETURNSTDOUT STDERRTOSTDOUT NOTIFY ONEND KEY 100";
foreach my $machine (@machines)
{
if(STAF::Submit($machine, "PROCESS", $request) == $STAF::kOk)
{
$requests++;
}
}
if($requests) # I think this test may be redundent
{
for(1 .. $requests)
{
STAF::Submit("local", "QUEUE", "GET TYPE STAF/PROCESS/END ");
my $result = $STAF::Result;
my $data;
if(STAF::STAFIsMarshalledData($result))
{
my $mc = STAF::STAFUnmarshall($result);
$data = $mc->getRootObject()->{message};
}
else
{
# take care of it
}
print Dumper($data);
# parse it out further to do real work here
}
}
After execution the result
-------------------------------------
$VAR1 = undef;
$VAR1 = undef;
$VAR1 = undef;
- Avi
From: Edmonds, Michael [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 15, 2008 4:18 PM
To: Avijit Roy; [email protected]
Subject: RE: [staf-users] Is there any way to track submitted request
status completion with basic STAF
that actually is even easier.
in the $request, make sure to use the "ASYNC RETURNSTDOUT STDERRTOSTDOUT
NOTIFY ONEND KEY $some_unique_identifier" keywords (ok, the *STDOUT
keywords are only if you care about the output of the process, but you can
figure that part out). The return code will be there regardless of the
output though.
that way, you don't have to send it asynchronously yourself (the Process
Service will do it for you -- STAF is so Awesome)
then make your request to the QUEUE Service with something like "GET TYPE
STAF/Process/End"
Mike
From: Avijit Roy [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 15, 2008 6:38 PM
To: Edmonds, Michael; [email protected]
Subject: RE: [staf-users] Is there any way to track submitted request
status completion with basic STAF
I am looking more than the process submition result here.
Suppose I submit the following request using submit2 then how to get
result back that submitted process tasks has completed on machine 1 and
machine2?
$result = $handle->submit2("Machine1", "PROCESS", $request);
$result = $handle->submit2("Machine2", "PROCESS", $request);
From: Edmonds, Michael [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 15, 2008 3:08 PM
To: Avijit Roy; [email protected]
Subject: RE: [staf-users] Is there any way to track submitted request
statuscompletion with basic STAF
use submit2 (
http://staf.sourceforge.net/current/STAFPerl.htm#Header_Submit2OO) with
STAF::STAFHandle::kReqQueue
then send a Synchronous request to the QUEUE service for the results of
those requests.
From: Avijit Roy [mailto:[EMAIL PROTECTED]
Sent: Wednesday, October 15, 2008 5:08 PM
To: [email protected]
Subject: [staf-users] Is there any way to track submitted request
statuscompletion with basic STAF
Hi,
I am trying to execute some process on 3 different machines from one of
the driver machine. The main goal is after completion the tasks on three
different machines, I want to copy the result file from those three
machines into driver machine and compute the result.
I am using STAF and PERL to do the basic prototype.
My question is after submitting the task using STAF, is there any way to
check that submitted tasks has completed or not?
Here are the following steps which I want to achieve: I am stuck on Step 5
now.
Step 1 - Registering STAF
Step 2 – Submitting the request on Machine1
Step 3 - Submitting the request on Machine2
Step 4 - Submitting the request on Machine4
Step 5 – I want to check Step 3, 4 and 5 tasks has completed or not
----------------------------------->? How should I do that?
Step 6 – If completed all the tasks copy the result file from machine 1,
2, 3 to driver machine
Can anybody please suggest me how to work it out?
Thanks, Avi
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