!/usr/bin/perl use strict; $l++; use CGI qw(:all); # import shortcuts use Fcntl qw(:flock); # imports LOCK_EX, LOCK_SH, LOCK_NB use CGI::Carp qw(warningsToBrowser fatalsToBrowser); # For Debugging use Net::SSH::Perl; use CGI qw(:all delete_all escapeHTML); use Net::SSH::Perl::Constants qw( :msg ); my ($TITLE,$DeploySvr,$KIT,$ssh,$UNM,$Pass,$stdout,$stderr,$exit,$cmd, +$session,$cache,$data,$pid,$packet,); if (my $session = param('session')) { # returning to pick up session data $cache = get_cache_handle(); $data = $cache->get($session); unless ($data and ref $data eq "ARRAY") { # something is wrong exit 0; } print header; print start_html(-title => "Logging...",($data->[0] ? () + : (-head => ["<meta http-equiv=refresh content=5>"]))); print h1("Logging..."); print pre(escapeHTML($data->[1])); print p(i("... continuing ...")) unless $data->[0]; print end_html; } else { $session = get_session_id(); $cache = get_cache_handle(); $cache->set($session, [0, ""]); # no data yet $DeploySvr=param('DrpServer'); $KIT=param('TxtKit'); $UNM=param('username'); $Pass=param('password'); if ($pid = fork) { # parent does delete_all(); # clear parameters param('session', $session); print redirect(self_url()); } elsif (defined $pid) { # child does close STDOUT; # so parent can go o +n $DeploySvr="113.128.122.27"; unless (open F, "-|") { open STDERR, ">&=1"; exec "/usr/sbin/traceroute", $DeploySv +r; die "Cannot execute traceroute: $!"; } my $buf = ""; while (<F>) { $buf .= $_; $cache->set($session, [0, $buf]); } $cache->set($session, [1, $buf]); } else { die "Cannot fork: $!"; } } sub get_cache_handle { require Cache::FileCache; Cache::FileCache->new ({ namespace => 'LogOutput', username => 'nobody', default_expires_in => '30 minutes', auto_purge_interval => '4 hours', }) } sub get_session_id { require Digest::MD5; Digest::MD5::md5_hex(Digest::MD5::md5_hex(time().{}.rand().$$)); }
In reply to Re^4: Asynchronous Processing a command execution
by Alfaromeo
in thread Asynchronous Processing a command execution
by Alfaromeo
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