/[pxelator]/lib/PXElator/httpd.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
ViewVC logotype

Contents of /lib/PXElator/httpd.pm

Parent Directory Parent Directory | Revision Log Revision Log


Revision 216 - (show annotations)
Thu Aug 13 13:06:18 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 8066 byte(s)
cleanup format::mac
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 Regexp::Common qw/net/;
21
22 sub menu {qq{
23
24 <div style="font-size: 80%; color: #888">
25 <a href=/>home</a>
26 <a href=/server>server</a>
27 <a href=/client>client</a>
28 </div>
29
30 }}
31
32 our $port = 7777;
33
34 use server;
35 our $debug = server::debug;
36 our $url = "http://$server::ip:$port";
37
38 use html;
39 our $static_pids;
40 use progress_bar;
41 use config;
42 use client;
43 use log;
44 use x11;
45 use amt;
46 use boolean;
47 use daemons;
48
49 use kvm;
50 use browser;
51 use network;
52
53 use CouchDB;
54
55 sub static {
56 my ($client,$path) = @_;
57
58 my $full = "$server::base_dir/tftp/$path";
59
60 return if ! -f $full;
61
62 if ( my $pid = fork ) {
63 # parent
64 close($client);
65 $static_pids->{$pid} = $path;
66 return 1;
67 }
68
69 my $type = 'application/octet-stream';
70 $type = 'text/html' if $path =~ m{\.htm};
71 $type = 'application/javascript' if $path =~ m{\.js};
72 $type = 'text/plain' if $path =~ m{\.txt};
73
74 my $size = -s $full || return;
75
76 print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
77
78 open(my $fh, $full);
79
80 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
81 my $buff;
82 my $pos = 0;
83
84 CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
85
86 progress_bar::start;
87
88 while( my $len = read $fh, $buff, $block ) {
89 print $client $buff;
90 $client->flush;
91 $pos += $len;
92 progress_bar::tick( $path, $pos, $size );
93 }
94 close($fh);
95 close($client);
96
97 print STDERR "\n";
98
99 exit(0);
100 }
101
102 sub ok {
103 qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu()
104 }
105
106 sub redirect {
107 my $to = shift;
108 $to ||= $url;
109 qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
110 }
111
112 sub get_request {
113 my ( $client, $path, $param ) = @_;
114
115 server->refresh;
116
117 CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
118
119 if ( my $found = static( $client,$path ) ) {
120 warn "static $found" if $debug;
121 } elsif ( $path eq '/' ) {
122
123 my @rows = (
124 'debug', qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
125 );
126
127 my $debug_proc = '';
128
129 foreach my $name ( sort keys %$daemons::pids ) {
130 my $pid = $daemons::pids->{$name} || next;
131
132 my $html;
133
134 my $proc = "/proc/$pid/status";
135
136 if ( -e $proc ) {
137 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
138 if ( $debug ) {
139 $html .= qq| <a name=$pid href=#proc-$pid>?</a>|;
140
141 $debug_proc
142 .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
143 . read_file($proc)
144 . qq|</pre>|
145 ;
146 }
147
148 if ( $name->can('start_fork') ) {
149 $html .= qq| <a href=/start_stop/kvm/$_>$_</a>| foreach $name->start_fork;
150 }
151
152 if ( $name->can('actions') ) {
153 $html .= qq| <a href=/action/kvm/$_>$_</a>| foreach $name->actions;
154 }
155 } else {
156 $html .= qq|<a href=/start_stop/$name>restart</a> $pid exited|;
157 }
158
159 push @rows, ( $name => $html );
160 }
161
162 my $below_table = '';
163
164 warn 'static_pids: ', dump( $static_pids ) if $debug;
165 foreach my $pid ( keys %$static_pids ) {
166 my $path = $static_pids->{$pid};
167 if ( -d "/proc/$pid" ) {
168 push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
169 } elsif ( $param->{clean_completed_downloads} ) {
170 delete $static_pids->{$pid}
171 } else {
172 push @rows, ( $path => "$pid competed" );
173 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
174 }
175 }
176
177 print $client ok
178 , html::table( 2, @rows )
179 , $below_table
180 , html::tabs( log::mac_changes )
181 , $debug_proc
182 ;
183
184 } elsif ( $path =~ m{^/server} ) {
185 print $client ok
186 , html::table( 2, map { ( $_, html::tt eval '$server::'.$_ ) } ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir', 'conf' ) )
187 ;
188 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
189 my $ip = $1 || $client->peerhost;
190
191 if ( my $new_ip = $param->{change_ip} ) {
192 client::change_ip( $ip, $new_ip );
193 $ip = $new_ip;
194 }
195
196 if ( $ip ne $server::ip ) {
197 my $hostname = client::conf( $ip, 'hostname' => $param->{hostname} );
198
199 my @table = (
200 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
201 'hostname' => qq|<input type=text name=hostname value="$hostname">|,
202 );
203
204 my $deploy;
205
206 if ( my $mac = client::mac_from_ip( $ip ) ) {
207 $deploy = client::conf( $ip, 'deploy' => $param->{deploy} );
208 push @table, (
209 'mac' => format::mac( $mac => 'html' ),
210 'deploy' => html::select( 'deploy', $deploy, config::available )
211 );
212 $deploy = qq|<h2>PXElinux</h2>| . html::pre( config::for_ip( $ip ) );
213 }
214
215 print $client ok
216 , qq|<form method=get>|
217 , html::table( 2, @table ),
218 , qq|<input type=submit value=change></form>|
219 , $deploy
220 ;
221
222 if ( my $amt = client::conf( $ip, 'amt' ) ) {
223 print $client qq|<h2>AMT</h2>|, amt::info( $amt );
224 }
225 } else {
226
227 my $arp = {
228 map {
229 my @c = split(/\s+/,$_);
230 if ( $#c == 5 ) {
231 ( uc $c[3] => [ $c[0] , $c[5] ] )
232 } else {
233 }
234 } read_file('/proc/net/arp')
235 };
236
237 warn "# arp ",dump( $arp );
238
239 print $client ok
240 , qq|<h2>Clients on $server::ip</h2>|
241 , html::table( -5,
242 'ip', 'hostname', 'mac', 'deploy', 'arp',
243 map {
244 my $ip = $_;
245 $ip =~ s{^.+/ip/}{};
246 my $mac = client::mac_from_ip $ip;
247 my $arp = $arp->{ $mac };
248 $arp = $arp ? $arp->[1] : '';
249 $arp =~ s{$ip}{};
250 (
251 qq|<a href=/client/$ip>$ip</a>|
252 , client::conf( $ip, 'hostname' )
253 , format::mac( $mac => 'html' )
254 , html::tt( client::conf( $ip, 'deploy' ) )
255 , $arp
256 );
257 }
258 glob("$server::conf/ip/*")
259 )
260 , qq|<h2>ARP</h2>|
261 , html::table( -3, 'mac', 'dev', 'ip',
262 map {
263 my $c = $arp->{$_};
264 ( format::mac( $_ => 'html' ), $c->[1], $c->[0] )
265 } sort keys %$arp
266 )
267 ;
268 }
269 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
270 eval 'our $' . $1 . ' = ' . $2;
271 warn $@ if $@;
272 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
273 server::debug( $debug ) if $1 eq 'debug';
274 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
275 print $client redirect, daemons::start_stop($1);
276 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
277 $1->$2();
278 print $client redirect;
279 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
280 print $client redirect;
281 kill 1, $1 || kill 9, $2 && warn "killed $1";
282 } else {
283 print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
284 warn "404 $path";
285 }
286
287 }
288
289 sub start {
290
291 warn 'tap ', network::tap();
292
293 daemons::start_stop 'browser', $url;
294 daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd/ );
295 daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
296
297 my $server = IO::Socket::INET->new(
298 Proto => 'tcp',
299 LocalAddr => $server::ip,
300 LocalPort => $httpd::port,
301 Listen => SOMAXCONN,
302 Reuse => 1
303 ) || die "can't start server on $url: $!";
304
305 print "url $url\n";
306
307 while (1) {
308 my $client = $server->accept() || next; # ALARM trickle us
309 my $request = <$client>;
310
311 warn "request $request\n" if $debug;
312
313 if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
314 my $path = $1;
315 my $param;
316 if ( $path =~ s{\?(.+)}{} ) {
317 foreach my $p ( split(/[&;]/, $1) ) {
318 my ($n,$v) = split(/=/, $p, 2);
319 $param->{$n} = $v;
320 }
321 warn "param: ",dump( $param ) if $debug;
322 }
323 get_request $client, $path, $param;
324 } else {
325 print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
326 warn "500 $request";
327 }
328
329 print $client menu() if $client->connected;
330
331 }
332
333 die "server died";
334 }
335
336 warn "loaded";
337
338 1;

  ViewVC Help
Powered by ViewVC 1.1.26