--- lib/PXElator/httpd.pm 2009/07/29 17:42:48 42 +++ lib/PXElator/httpd.pm 2009/08/02 12:09:02 115 @@ -17,39 +17,230 @@ 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 $url = "http://$server::ip:$port/"; +our $debug = server::debug; +our $url = "http://$server::ip:$port"; + +use html; +our $static_pids; +use progress_bar; sub static { my ($client,$path) = @_; - $path = "tftp/$path"; + my $full = "$server::base_dir/tftp/$path"; - if ( ! -e $path || -d $path ) { - print $client "HTTP/1.0 404 $path not found\r\n"; - return; + 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 = 'text/plain'; + my $type = 'application/octet-stream'; $type = 'text/html' if $path =~ m{\.htm}; $type = 'application/javascript' if $path =~ m{\.js}; + $type = 'text/plain' if $path =~ m{\.txt}; + + my $size = -s $full || return; + + print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n"; - print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: ", -s $path,"\r\n\r\n"; - open(my $html, $path); - while(<$html>) { - print $client $_; + open(my $fh, $full); + + 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; + progress_bar::tick( $path, $pos, $size ); } - close($html); + close($fh); + close($client); + + print STDERR "\n"; + + warn "exit static child"; + + exit(0); +} - return $path; +use boolean; + +use screen; +use kvm; + +$SIG{CHLD} = 'IGNORE'; + +sub start_stop { + my $daemon = shift; + my $pid = $pids->{$daemon}; + + warn "start_stop $daemon $pid\n"; + + 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 $pid\n"; + return qq|$daemon pid $pid started|; + } elsif ( defined $pid ) { + # child + my $invoke = 'start'; + $invoke = $1 if $daemon =~ s{/(.+)}{}; + my $eval = $daemon . '::' . $invoke . '(' . ( @_ ? dump(@_) : '' ) . ')'; + warn "eval $eval"; + eval $eval; + warn "can't start $daemon: $@" if $@; + exit; + } else { + die "fork error $!"; + } + } } -my $ok = "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n"; +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 $path ", $param ? dump( $param ) : '', "\n"; + + if ( my $found = static( $client,$path ) ) { + warn "static $found" if $debug; + } elsif ( $path eq '/' ) { + + my $screen = $pids->{screen} ? qq|stop $pids->{screen}| : 'start'; + my $kvm = $pids->{kvm} ? qq|stop $pids->{kvm}| : + $pids->{screen} ? qq|start| : qq|start screen first|; + + my @rows = ( + 'ip', html::tt( $server::ip ), + 'netmask', html::tt( $server::netmask ), + + 'debug', qq|$debug|, + ); + + 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 $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 +imgfree +login +chain http://$server::ip:$httpd::port/ + + }; + } else { + print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n404 $path"; + warn "404 $path"; + } + +} + +use browser; sub start { @@ -58,13 +249,13 @@ LocalPort => $httpd::port, Listen => SOMAXCONN, Reuse => 1 - ); - - die "can't setup server" unless $server; + ) || die "can't start server on $url: $!"; 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); @@ -72,51 +263,37 @@ warn "request $request\n" if $debug; + Module::Refresh->refresh; + if ($request =~ m{^GET (/.*) HTTP/1.[01]}) { - my $method = $1; + my $path = $1; my $param; - if ( $method =~ s{\?(.+)}{} ) { + if ( $path =~ s{\?(.+)}{} ) { foreach my $p ( split(/[&;]/, $1) ) { my ($n,$v) = split(/=/, $p, 2); $param->{$n} = $v; } warn "param: ",dump( $param ) if $debug; } - warn "method $method"; - - if ( my $path = static( $client,$1 ) ) { - warn "static $path" if $debug; - } elsif ( $method eq '/' ) { - print $client qq{$ok - pid $$ - debug $debug - }; - - } elsif ( $method =~ m{/boot} ) { - print $client qq{$ok -#!gpxe -imgfree -login -chain http://$server::ip:$httpd::port/ - - }; - } else { - print $client "HTTP/1.0 404 Unkown method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n404 $request"; - warn "404 $request"; - } + 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"; warn "500 $request"; } print $client qq{ - reload - }; +
+ reload + index + exit +
+ } if $client->connected; - close($client); } die "server died"; } +warn "loaded"; + 1;