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#!/usr/bin/perl
use strict;
my $max_outstanding = 300;
$ARGV[0] || die "No directory provided for peer information, exiting!\n";
my $directory = $ARGV[0];
my @config_files = `find $directory -iname gnunet-testing-config*`;
my @child_arr = {};
my $count = 0;
my $outstanding = 0;
foreach my $file (@config_files)
{
chomp($file);
#print "Starting GNUnet peer with config file $file\n";
my $pid = fork();
if ($pid == -1)
{
die;
}
elsif ($pid == 0)
{
exec "gnunet-arm -q -c $file -s" or die;
}
if ($pid != 0)
{
push @child_arr, $pid;
$count++;
$outstanding++;
if ($outstanding > $max_outstanding)
{
for (my $i = 0; $i < $max_outstanding / 5; $i++)
{
#print "Too many outstanding peers, waiting!\n";
waitpid($child_arr[0], 0);
shift(@child_arr);
$outstanding--;
}
}
}
}
print "All $count peers started (waiting for them to finish!\n";
while ($outstanding > 0)
{
waitpid($child_arr[0], 0);
shift(@child_arr);
$outstanding--;
if ($outstanding % 50 == 0)
{
print "All $count peers started (waiting for $outstanding to finish!\n";
}
}
while (wait() != -1) {sleep 1}
print "All $count peers started!\n";
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