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Revision 1.4 - (download) (annotate)
Mon Dec 5 19:12:11 2005 UTC (14 years, 4 months ago) by olson
Branch: MAIN
CVS Tags: mgrast_dev_08112011, rast_rel_2009_05_18, mgrast_dev_08022011, rast_rel_2014_0912, rast_rel_2008_06_18, myrast_rel40, rast_rel_2008_06_16, mgrast_dev_05262011, rast_rel_2008_12_18, mgrast_dev_04082011, rast_rel_2008_07_21, rast_rel_2010_0928, rast_2008_0924, mgrast_version_3_2, mgrast_dev_12152011, rast_rel_2008_04_23, mgrast_dev_06072011, rast_rel_2008_09_30, rast_rel_2009_0925, rast_rel_2010_0526, rast_rel_2014_0729, mgrast_dev_02212011, rast_rel_2010_1206, caBIG-05Apr06-00, mgrast_release_3_0, mgrast_dev_03252011, rast_rel_2010_0118, mgrast_rel_2008_0924, mgrast_rel_2008_1110_v2, rast_rel_2009_02_05, rast_rel_2011_0119, mgrast_rel_2008_0625, mgrast_release_3_0_4, mgrast_release_3_0_2, mgrast_release_3_0_3, mgrast_release_3_0_1, mgrast_dev_03312011, mgrast_release_3_1_2, mgrast_release_3_1_1, mgrast_release_3_1_0, mgrast_dev_04132011, rast_rel_2008_10_09, mgrast_dev_04012011, rast_release_2008_09_29, mgrast_rel_2008_0806, mgrast_rel_2008_0923, mgrast_rel_2008_0919, rast_rel_2009_07_09, rast_rel_2010_0827, mgrast_rel_2008_1110, myrast_33, rast_rel_2011_0928, rast_rel_2008_09_29, mgrast_rel_2008_0917, rast_rel_2008_10_29, mgrast_dev_04052011, mgrast_dev_02222011, caBIG-13Feb06-00, rast_rel_2009_03_26, mgrast_dev_10262011, rast_rel_2008_11_24, rast_rel_2008_08_07, HEAD
Changes since 1.3: +17 -0 lines
add license words

# Copyright (c) 2003-2006 University of Chicago and Fellowship
# for Interpretations of Genomes. All Rights Reserved.
# This file is part of the SEED Toolkit.
# The SEED Toolkit is free software. You can redistribute
# it and/or modify it under the terms of the SEED Toolkit
# Public License. 
# You should have received a copy of the SEED Toolkit Public License
# along with this program; if not write to the University of Chicago
# at info@ci.uchicago.edu or the Fellowship for Interpretation of
# Genomes at veronika@thefig.info or download a copy from
# http://www.theseed.org/LICENSE.TXT.

use strict;

#use Common::Errors;

=head1 Cluster Staging Interface

This module provides a CGI interface for retrieving staged input files via HTTP.

The client must provide the job id and work id for the staging work that we 
are retrieving.


use strict;
use FIG;
use CGI;

use Cluster;

my $cgi = new CGI;

sub fail($)
    my($mesg) = @_;

    print $cgi->header(-type => "text/html",
		       -status => "500 error");
    print "Staging failed: $mesg\n";

if (0)
warn "Environment:\n";
for my $k (sort keys(%ENV))
    warn "$k=$ENV{$k}\n";

warn "Params:\n";
for my $k ($cgi->param())
    warn "$k=" . $cgi->param($k) . "\n";

my $fig = new FIG;
my $job_id = $cgi->param("job_id");
my $work_id = $cgi->param("work_id");
my $filename = $cgi->param("file");

$job_id =~ /^\d+/ or fail "Invalid job_id\n";
$work_id =~ /^\d+/ or fail "Invalid work_id\n";

# If filename has been give, we're uploading. Otherwise
# this is a download.

my $c = new Cluster::Broker($fig);

if ($filename ne "")
    warn "Doing upload\n";
    eval {
	do_upload($c, $fig, $job_id, $work_id, $filename);
    if ($@)
	fail "upload failed: $@";
    warn "Doing download\n";
    do_download($c, $fig, $job_id, $work_id);

sub do_upload
    my($c, $fig, $job_id, $work_id, $filename) = @_;

    warn " UPLOAD: jobid=$job_id work_id=$work_id filename=$filename\n";

    # Determine location of output file.

    my $output_fh = $c->open_output_file($job_id, $work_id, $filename);

    # File is passed as the cgi parameter named "file".
    my $fh = $cgi->upload('file');
    warn "Got fh $fh\n";

    my($n, $buf);
    while ($n = read($fh, $buf, 4096))
	print $output_fh $buf;

    print $cgi->header(-type => "text/plain");
    print "File uploaded OK\n";

sub do_download
    my($c, $fig, $job_id, $work_id) = @_;

    my ($fh, $size, $basename);
    my $ok = eval {
	($fh, $size, $basename) = $c->open_staging_file($job_id, $work_id);
    $ok or fail "$@";	 
    $fh or fail "Cannot find staging file";
    print $cgi->header(-type => "application/octet-stream",
		       -Content_Length => $size,
		       -Content_Disposition => "attachment;filename=\"$basename\"",
    my $buf;
    while (my $n = read($fh, $buf, 4096))
	print $buf;


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