--- lib/PXElator/httpd.pm 2009/07/30 17:07:48 65 +++ lib/PXElator/httpd.pm 2009/08/03 19:59:08 128 @@ -17,15 +17,27 @@ use File::Slurp; #use JSON; use IO::Socket::INET; -use Module::Refresh; + +our $pids; +$pids = { httpd => $$ } unless defined $pids; # keep pids on refresh + +sub DESTROY { + warn "pids ",dump( $pids ); + foreach ( values %$pids ) { + warn "kill $_"; + kill 1,$_ || kill 9, $_; + } +} our $port = 7777; -our $debug = 1; use server; +our $debug = server::debug; our $url = "http://$server::ip:$port"; use html; +our $static_pids; +use progress_bar; sub static { my ($client,$path) = @_; @@ -34,6 +46,14 @@ return if ! -f $full; + if ( my $pid = fork ) { + # parent + close($client); + print "http static child $pid\n"; + $static_pids->{$pid} = $path; + return 1; + } + my $type = 'application/octet-stream'; $type = 'text/html' if $path =~ m{\.htm}; $type = 'application/javascript' if $path =~ m{\.js}; @@ -44,32 +64,35 @@ print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n"; open(my $fh, $full); - print "static $path $type $size\n"; - my $block = 8192; + my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it) my $buff; my $pos = 0; + warn "static $path $type $size block: $block\n"; + + progress_bar::start; + while( my $len = read $fh, $buff, $block ) { print $client $buff; + $client->flush; $pos += $len; - printf "%s %d/%d %.2f%%\r", $path, $pos, $size, $pos * 100 / $size; + progress_bar::tick( $path, $pos, $size ); } close($fh); close($client); - print "$path $pos == $size OK\n"; + print STDERR "\n"; - return $path; -} + warn "exit static child"; -my $ok = "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n"; + exit(0); +} use boolean; use screen; use kvm; -our $pids; $SIG{CHLD} = 'IGNORE'; @@ -77,22 +100,26 @@ my $daemon = shift; my $pid = $pids->{$daemon}; - warn "start_stop $daemon pids: ",dump( $pids ); + warn "start_stop $daemon $pid\n"; - if ( $pid ) { - warn "kill 9 $pid"; - kill 9, $pid; - delete $pids->{$daemon}; + if ( $pid =~ m{^\d+$} ) { + my $pstree = `pstree -p $pid`; + my @pids = $pstree =~ m{\((\d+)\)}g; + warn "pstree $pstree pids ",dump( @pids ); + kill 1, $_ foreach reverse @pids; + $pids->{$daemon} = 'stopped'; return qq|$daemon pid $pid stopped|; } else { if ( $pid = fork ) { # parent $pids->{$daemon} = $pid; - warn "forked $daemon $pid"; + warn "forked $daemon $pid\n"; return qq|$daemon pid $pid started|; } elsif ( defined $pid ) { # child - my $eval = $daemon . '::start'; + my $invoke = 'start'; + $invoke = $1 if $daemon =~ s{/(.+)}{}; + my $eval = $daemon . '::' . $invoke . '(' . ( @_ ? dump(@_) : '' ) . ')'; warn "eval $eval"; eval $eval; warn "can't start $daemon: $@" if $@; @@ -103,10 +130,15 @@ } } +my $ok = qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n|; +my $redirect = qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $url\r\n\r\n|; + sub get_request { my ( $client, $path, $param ) = @_; - warn "get_request $client $path ",dump( $param ); + server->refresh; + + warn "get_request $path ", $param ? dump( $param ) : '', "\n"; if ( my $found = static( $client,$path ) ) { warn "static $found" if $debug; @@ -116,22 +148,84 @@ my $kvm = $pids->{kvm} ? qq|stop $pids->{kvm}| : $pids->{screen} ? qq|start| : qq|start screen first|; - print $client $ok, - html::table( 2, - 'pid', html::tt( $$ ), + my @rows = ( 'ip', html::tt( $server::ip ), 'netmask', html::tt( $server::netmask ), + 'debug', qq|$debug|, - 'screen', qq|$screen|, - 'kvm', qq|$kvm|, ); + my $debug_proc = ''; + + warn 'pids: ', dump( $pids ) if $debug; + foreach my $name ( sort keys %$pids ) { + my $pid = $pids->{$name} || next; + + my $html = qq|$pid|; + + my $proc = "/proc/$pid/status"; + + if ( -e $proc ) { + if ( $debug ) { + $html .= qq| ?|; + + $debug_proc + .= qq|$proc
|
+						.  read_file($proc)
+						.  qq|
| + ; + } + + if ( $name->can('start_fork') ) { + $html .= qq| $_| foreach $name->start_fork; + } + + if ( $name->can('actions') ) { + $html .= qq| $_| foreach $name->actions; + } + } + + push @rows, ( $name => $html ); + } + + my $below_table = ''; + + warn 'static_pids: ', dump( $static_pids ) if $debug; + foreach my $pid ( keys %$static_pids ) { + my $path = $static_pids->{$pid}; + if ( -d "/proc/$pid" ) { + push @rows, ( $path => qq|$pid| ); + } elsif ( $param->{clean_completed_downloads} ) { + delete $static_pids->{$pid} + } else { + push @rows, ( $path => "$pid competed" ); + $below_table = qq|clean completed downloads|; + } + } + + print $client $ok + , html::table( 2, @rows ) + , $below_table + , html::tabs( log::mac_changes ) + , $debug_proc + ; + } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) { eval 'our $' . $1 . ' = ' . $2; warn $@ if $@; - print $client qq|HTTP/1.1 302 Found\r\nLocation: $url\r\nContent-type: text/html\r\n\r\n$1 = $2
Location: $url|; - } elsif ( $path =~ m{^/(screen|kvm)} ) { - print $client $ok, start_stop($1); + print $client $redirect, qq|$1 = $2
Location: $url|; + server::debug( $debug ) if $1 eq 'debug'; + } elsif ( $path =~ m{^/start_stop/((?:screen|kvm).*)} ) { # XXX we don't want to stop all classes + print $client $redirect, start_stop($1); + } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) { + $1->$2(); + print $client $redirect; + } elsif ( $path =~ m{^/kill/static/(\d+)} ) { + print $client $redirect; + kill 1, $1 || kill 9, $2 && warn "killed $1"; + } elsif ( $path eq '/exit' ) { +# DESTROY; + exit 0; } elsif ( $path =~ m{/boot} ) { print $client qq{$ok #!gpxe @@ -147,6 +241,8 @@ } +use browser; + sub start { my $server = IO::Socket::INET->new( @@ -158,16 +254,16 @@ print "url $url\n"; - system "/mnt/llin/rest/cvs/uzbl/uzbl -u $url &"; + start_stop 'browser', $url; + start_stop 'screen'; + start_stop 'kvm'; - while (my $client = $server->accept()) { - $client->autoflush(1); + while (1) { + my $client = $server->accept() || next; # ALARM trickle us my $request = <$client>; warn "request $request\n" if $debug; - Module::Refresh->refresh; - if ($request =~ m{^GET (/.*) HTTP/1.[01]}) { my $path = $1; my $param; @@ -178,7 +274,6 @@ } warn "param: ",dump( $param ) if $debug; } - warn "path $path param: ",dump( $param ); get_request $client, $path, $param; } else { print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request"; @@ -188,7 +283,8 @@ print $client qq{
reload - index + index + exit
} if $client->connected;