| 1 |
package httpd; |
| 2 |
|
| 3 |
use warnings; |
| 4 |
use strict; |
| 5 |
use autodie; |
| 6 |
|
| 7 |
=head1 httpd |
| 8 |
|
| 9 |
Start with: |
| 10 |
|
| 11 |
perl -Ilib/PXElator -Mhttpd -e httpd::start |
| 12 |
|
| 13 |
=cut |
| 14 |
|
| 15 |
use Data::Dump qw/dump/; |
| 16 |
use Carp qw/confess/; |
| 17 |
use File::Slurp; |
| 18 |
#use JSON; |
| 19 |
use IO::Socket::INET; |
| 20 |
use Module::Refresh; |
| 21 |
|
| 22 |
our $pids; |
| 23 |
$pids = { httpd => $$ } unless defined $pids; # keep pids on refresh |
| 24 |
|
| 25 |
sub DESTROY { |
| 26 |
warn "pids ",dump( $pids ); |
| 27 |
foreach ( values %$pids ) { |
| 28 |
warn "kill $_"; |
| 29 |
kill 1,$_ || kill 9, $_; |
| 30 |
} |
| 31 |
} |
| 32 |
|
| 33 |
our $port = 7777; |
| 34 |
|
| 35 |
use server; |
| 36 |
our $debug = server::debug; |
| 37 |
our $url = "http://$server::ip:$port"; |
| 38 |
|
| 39 |
use html; |
| 40 |
our $static_pids; |
| 41 |
|
| 42 |
sub static { |
| 43 |
my ($client,$path) = @_; |
| 44 |
|
| 45 |
my $full = "$server::base_dir/tftp/$path"; |
| 46 |
|
| 47 |
return if ! -f $full; |
| 48 |
|
| 49 |
if ( my $pid = fork ) { |
| 50 |
# parent |
| 51 |
close($client); |
| 52 |
print "http static child $pid\n"; |
| 53 |
$static_pids->{$pid} = $path; |
| 54 |
return 1; |
| 55 |
} |
| 56 |
|
| 57 |
my $type = 'application/octet-stream'; |
| 58 |
$type = 'text/html' if $path =~ m{\.htm}; |
| 59 |
$type = 'application/javascript' if $path =~ m{\.js}; |
| 60 |
$type = 'text/plain' if $path =~ m{\.txt}; |
| 61 |
|
| 62 |
my $size = -s $full || return; |
| 63 |
|
| 64 |
print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n"; |
| 65 |
|
| 66 |
open(my $fh, $full); |
| 67 |
print "static $path $type $size\n"; |
| 68 |
|
| 69 |
my $block = 8192; |
| 70 |
my $buff; |
| 71 |
my $pos = 0; |
| 72 |
|
| 73 |
while( my $len = read $fh, $buff, $block ) { |
| 74 |
print $client $buff; |
| 75 |
$pos += $len; |
| 76 |
printf "%s %d/%d %.2f%%\r", $path, $pos, $size, $pos * 100 / $size; |
| 77 |
} |
| 78 |
close($fh); |
| 79 |
close($client); |
| 80 |
|
| 81 |
print "$path $pos == $size OK\n"; |
| 82 |
|
| 83 |
exit; |
| 84 |
} |
| 85 |
|
| 86 |
use boolean; |
| 87 |
|
| 88 |
use screen; |
| 89 |
use kvm; |
| 90 |
|
| 91 |
$SIG{CHLD} = 'IGNORE'; |
| 92 |
|
| 93 |
sub start_stop { |
| 94 |
my $daemon = shift; |
| 95 |
my $pid = $pids->{$daemon}; |
| 96 |
|
| 97 |
warn "start_stop $daemon $pid pids: ",dump( $pids ); |
| 98 |
|
| 99 |
if ( $pid =~ m{^\d+$} ) { |
| 100 |
my $pstree = `pstree -p $pid`; |
| 101 |
my @pids = $pstree =~ m{\((\d+)\)}g; |
| 102 |
warn "pstree $pstree pids ",dump( @pids ); |
| 103 |
kill 1, $_ foreach reverse @pids; |
| 104 |
$pids->{$daemon} = 'stopped'; |
| 105 |
return qq|$daemon pid $pid stopped|; |
| 106 |
} else { |
| 107 |
if ( $pid = fork ) { |
| 108 |
# parent |
| 109 |
$pids->{$daemon} = $pid; |
| 110 |
warn "forked $daemon $pid"; |
| 111 |
return qq|$daemon pid $pid started|; |
| 112 |
} elsif ( defined $pid ) { |
| 113 |
# child |
| 114 |
my $eval = $daemon . '::start(' . ( @_ ? dump(@_) : '' ) . ')'; |
| 115 |
warn "eval $eval"; |
| 116 |
eval $eval; |
| 117 |
warn "can't start $daemon: $@" if $@; |
| 118 |
exit; |
| 119 |
} else { |
| 120 |
die "fork error $!"; |
| 121 |
} |
| 122 |
} |
| 123 |
} |
| 124 |
|
| 125 |
my $ok = qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n|; |
| 126 |
my $redirect = qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $url\r\n\r\n|; |
| 127 |
|
| 128 |
sub get_request { |
| 129 |
my ( $client, $path, $param ) = @_; |
| 130 |
|
| 131 |
warn "get_request $client $path ",dump( $param ); |
| 132 |
|
| 133 |
if ( my $found = static( $client,$path ) ) { |
| 134 |
warn "static $found" if $debug; |
| 135 |
} elsif ( $path eq '/' ) { |
| 136 |
|
| 137 |
my $screen = $pids->{screen} ? qq|stop <tt>$pids->{screen}</tt>| : 'start'; |
| 138 |
my $kvm = $pids->{kvm} ? qq|stop <tt>$pids->{kvm}</tt>| : |
| 139 |
$pids->{screen} ? qq|start| : qq|start screen first|; |
| 140 |
|
| 141 |
my @rows = ( |
| 142 |
'ip', html::tt( $server::ip ), |
| 143 |
'netmask', html::tt( $server::netmask ), |
| 144 |
|
| 145 |
'debug', qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|, |
| 146 |
); |
| 147 |
|
| 148 |
my $debug_proc; |
| 149 |
|
| 150 |
warn 'pids: ', dump( $pids ); |
| 151 |
foreach my $name ( keys %$pids ) { |
| 152 |
my $pid = $pids->{$name} || next; |
| 153 |
|
| 154 |
my $html = qq|<a href=/$name>$pid</a>|; |
| 155 |
|
| 156 |
if ( $debug ) { |
| 157 |
$html .= qq| <a name=$pid href=#proc-$pid>?</a>|; |
| 158 |
|
| 159 |
my $proc = "/proc/$pid/status"; |
| 160 |
$debug_proc |
| 161 |
.= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">| |
| 162 |
. read_file($proc) |
| 163 |
. qq|</pre>| |
| 164 |
if -e $proc; |
| 165 |
} |
| 166 |
|
| 167 |
push @rows, ( $name => $html ); |
| 168 |
} |
| 169 |
|
| 170 |
warn 'static_pids: ', dump( $static_pids ); |
| 171 |
foreach my $pid ( keys %$static_pids ) { |
| 172 |
my $path = $static_pids->{$pid}; |
| 173 |
if ( -d "/proc/$pid" ) { |
| 174 |
push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| ); |
| 175 |
} else { |
| 176 |
push @rows, ( $path => "$pid competed" ); |
| 177 |
} |
| 178 |
} |
| 179 |
|
| 180 |
print $client $ok |
| 181 |
, html::table( 2, @rows ) |
| 182 |
, html::tabs( log::mac_changes ) |
| 183 |
, $debug_proc |
| 184 |
; |
| 185 |
|
| 186 |
} elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) { |
| 187 |
eval 'our $' . $1 . ' = ' . $2; |
| 188 |
warn $@ if $@; |
| 189 |
print $client $redirect, qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|; |
| 190 |
server::debug( $debug ) if $1 eq 'debug'; |
| 191 |
} elsif ( $path =~ m{^/(screen|kvm)} ) { |
| 192 |
print $client $redirect, start_stop($1); |
| 193 |
} elsif ( $path =~ m{^/kill/static/(\d+)} ) { |
| 194 |
print $client $redirect; |
| 195 |
kill 9, $1 && warn "killed $1"; |
| 196 |
} elsif ( $path eq '/exit' ) { |
| 197 |
# DESTROY; |
| 198 |
exit 0; |
| 199 |
} elsif ( $path =~ m{/boot} ) { |
| 200 |
print $client qq{$ok |
| 201 |
#!gpxe |
| 202 |
imgfree |
| 203 |
login |
| 204 |
chain http://$server::ip:$httpd::port/ |
| 205 |
|
| 206 |
}; |
| 207 |
} else { |
| 208 |
print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>"; |
| 209 |
warn "404 $path"; |
| 210 |
} |
| 211 |
|
| 212 |
} |
| 213 |
|
| 214 |
use browser; |
| 215 |
|
| 216 |
sub start { |
| 217 |
|
| 218 |
my $server = IO::Socket::INET->new( |
| 219 |
Proto => 'tcp', |
| 220 |
LocalPort => $httpd::port, |
| 221 |
Listen => SOMAXCONN, |
| 222 |
Reuse => 1 |
| 223 |
) || die "can't start server on $url: $!"; |
| 224 |
|
| 225 |
print "url $url\n"; |
| 226 |
|
| 227 |
start_stop 'browser', $url; |
| 228 |
start_stop 'screen'; |
| 229 |
start_stop 'kvm'; |
| 230 |
|
| 231 |
while (my $client = $server->accept()) { |
| 232 |
$client->autoflush(1); |
| 233 |
my $request = <$client>; |
| 234 |
|
| 235 |
warn "request $request\n" if $debug; |
| 236 |
|
| 237 |
Module::Refresh->refresh; |
| 238 |
|
| 239 |
if ($request =~ m{^GET (/.*) HTTP/1.[01]}) { |
| 240 |
my $path = $1; |
| 241 |
my $param; |
| 242 |
if ( $path =~ s{\?(.+)}{} ) { |
| 243 |
foreach my $p ( split(/[&;]/, $1) ) { |
| 244 |
my ($n,$v) = split(/=/, $p, 2); |
| 245 |
$param->{$n} = $v; |
| 246 |
} |
| 247 |
warn "param: ",dump( $param ) if $debug; |
| 248 |
} |
| 249 |
warn "path $path param: ",dump( $param ); |
| 250 |
get_request $client, $path, $param; |
| 251 |
} else { |
| 252 |
print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request"; |
| 253 |
warn "500 $request"; |
| 254 |
} |
| 255 |
|
| 256 |
print $client qq{ |
| 257 |
<div style="font-size: 80%; color: #888"> |
| 258 |
<a href="">reload</a> |
| 259 |
<a href=/>index</a> |
| 260 |
<a href=/exit>exit</a> |
| 261 |
</div> |
| 262 |
} if $client->connected; |
| 263 |
|
| 264 |
} |
| 265 |
|
| 266 |
die "server died"; |
| 267 |
} |
| 268 |
|
| 269 |
warn "loaded"; |
| 270 |
|
| 271 |
1; |
Parent Directory
| 
Revision Log