/[pxelator]/lib/PXElator/httpd.pm
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Annotation of /lib/PXElator/httpd.pm

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Revision 208 - (hide annotations)
Wed Aug 12 23:59:01 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 7988 byte(s)
cleanup logging a bit

1 dpavlin 42 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 dpavlin 162 use Regexp::Common qw/net/;
21 dpavlin 42
22 dpavlin 149 sub menu {qq{
23    
24     <div style="font-size: 80%; color: #888">
25     <a href=/>home</a>
26     <a href=/server>server</a>
27 dpavlin 153 <a href=/client>client</a>
28 dpavlin 149 </div>
29    
30     }}
31    
32 dpavlin 42 our $port = 7777;
33    
34     use server;
35 dpavlin 67 our $debug = server::debug;
36 dpavlin 64 our $url = "http://$server::ip:$port";
37 dpavlin 42
38 dpavlin 43 use html;
39 dpavlin 70 our $static_pids;
40 dpavlin 115 use progress_bar;
41 dpavlin 153 use config;
42 dpavlin 159 use client;
43     use log;
44 dpavlin 173 use x11;
45 dpavlin 181 use amt;
46 dpavlin 185 use boolean;
47     use daemons;
48 dpavlin 43
49 dpavlin 185 use kvm;
50     use browser;
51     use network;
52    
53 dpavlin 207 use CouchDB;
54 dpavlin 185
55 dpavlin 42 sub static {
56     my ($client,$path) = @_;
57    
58 dpavlin 65 my $full = "$server::base_dir/tftp/$path";
59 dpavlin 42
60 dpavlin 65 return if ! -f $full;
61 dpavlin 42
62 dpavlin 70 if ( my $pid = fork ) {
63     # parent
64     close($client);
65     $static_pids->{$pid} = $path;
66     return 1;
67     }
68    
69 dpavlin 65 my $type = 'application/octet-stream';
70 dpavlin 42 $type = 'text/html' if $path =~ m{\.htm};
71     $type = 'application/javascript' if $path =~ m{\.js};
72 dpavlin 65 $type = 'text/plain' if $path =~ m{\.txt};
73 dpavlin 42
74 dpavlin 65 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 dpavlin 96 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
81 dpavlin 65 my $buff;
82     my $pos = 0;
83    
84 dpavlin 208 CouchDB::audit( 'static', { pid => $$, path => $path, type => $type, size => $size, block => $block, peerhost => $client->peerhost });
85 dpavlin 96
86 dpavlin 115 progress_bar::start;
87 dpavlin 105
88 dpavlin 65 while( my $len = read $fh, $buff, $block ) {
89 dpavlin 107 print $client $buff;
90 dpavlin 105 $client->flush;
91 dpavlin 65 $pos += $len;
92 dpavlin 115 progress_bar::tick( $path, $pos, $size );
93 dpavlin 42 }
94 dpavlin 65 close($fh);
95     close($client);
96 dpavlin 42
97 dpavlin 105 print STDERR "\n";
98 dpavlin 65
99 dpavlin 107 exit(0);
100 dpavlin 42 }
101    
102 dpavlin 199 sub ok {
103     qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu()
104     }
105 dpavlin 67
106 dpavlin 199 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 dpavlin 43 sub get_request {
113     my ( $client, $path, $param ) = @_;
114    
115 dpavlin 128 server->refresh;
116    
117 dpavlin 208 CouchDB::audit( 'request', { path => $path, param => $param, peerhost => $client->peerhost } );
118 dpavlin 43
119     if ( my $found = static( $client,$path ) ) {
120     warn "static $found" if $debug;
121     } elsif ( $path eq '/' ) {
122 dpavlin 53
123 dpavlin 66 my @rows = (
124 dpavlin 64 'debug', qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
125 dpavlin 43 );
126 dpavlin 70
127 dpavlin 96 my $debug_proc = '';
128 dpavlin 71
129 dpavlin 185 foreach my $name ( sort keys %$daemons::pids ) {
130     my $pid = $daemons::pids->{$name} || next;
131 dpavlin 43
132 dpavlin 173 my $html;
133 dpavlin 66
134 dpavlin 81 my $proc = "/proc/$pid/status";
135 dpavlin 71
136 dpavlin 81 if ( -e $proc ) {
137 dpavlin 173 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
138 dpavlin 81 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 dpavlin 88 if ( $name->can('start_fork') ) {
149     $html .= qq| <a href=/start_stop/kvm/$_>$_</a>| foreach $name->start_fork;
150 dpavlin 81 }
151 dpavlin 88
152     if ( $name->can('actions') ) {
153     $html .= qq| <a href=/action/kvm/$_>$_</a>| foreach $name->actions;
154     }
155 dpavlin 173 } else {
156     $html .= qq|<a href=/start_stop/$name>restart</a> $pid exited|;
157 dpavlin 71 }
158    
159 dpavlin 66 push @rows, ( $name => $html );
160     }
161    
162 dpavlin 91 my $below_table = '';
163    
164 dpavlin 78 warn 'static_pids: ', dump( $static_pids ) if $debug;
165 dpavlin 70 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 dpavlin 91 } elsif ( $param->{clean_completed_downloads} ) {
170     delete $static_pids->{$pid}
171 dpavlin 70 } else {
172     push @rows, ( $path => "$pid competed" );
173 dpavlin 91 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
174 dpavlin 70 }
175     }
176    
177 dpavlin 199 print $client ok
178 dpavlin 72 , html::table( 2, @rows )
179 dpavlin 91 , $below_table
180 dpavlin 72 , html::tabs( log::mac_changes )
181     , $debug_proc
182     ;
183 dpavlin 66
184 dpavlin 149 } elsif ( $path =~ m{^/server} ) {
185 dpavlin 199 print $client ok
186 dpavlin 185 , html::table( 2, map { ( $_, html::tt eval '$server::'.$_ ) } ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir', 'conf' ) )
187 dpavlin 149 ;
188 dpavlin 162 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
189     my $ip = $1 || $client->peerhost;
190 dpavlin 200
191     if ( my $new_ip = $param->{change_ip} ) {
192     client::change_ip( $ip, $new_ip );
193     $ip = $new_ip;
194     }
195    
196 dpavlin 162 if ( $ip ne $server::ip ) {
197     my $hostname = client::conf( $ip, 'hostname' => $param->{hostname} );
198 dpavlin 188
199     my @table = (
200 dpavlin 199 'ip' => qq|<input type=text name=change_ip value="$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 dpavlin 188 );
203    
204     my $deploy;
205    
206     if ( my $mac = client::mac( $ip ) ) {
207     $deploy = client::conf( $ip, 'deploy' => $param->{deploy} );
208     push @table, (
209     'mac' => $mac,
210     'deploy' => html::select( 'deploy', $deploy, config::available )
211     );
212     $deploy = qq|<h2>PXElinux</h2>| . html::pre( config::for_ip( $ip ) );
213     }
214    
215 dpavlin 199 print $client ok
216 dpavlin 162 , qq|<form method=get>|
217 dpavlin 188 , html::table( 2, @table ),
218 dpavlin 162 , qq|<input type=submit value=change></form>|
219 dpavlin 188 , $deploy
220 dpavlin 162 ;
221 dpavlin 181
222     if ( my $amt = client::conf( $ip, 'amt' ) ) {
223 dpavlin 188 print $client qq|<h2>AMT</h2>|, amt::info( $amt );
224 dpavlin 181 }
225 dpavlin 162 } else {
226 dpavlin 190
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 dpavlin 199 print $client ok
240 dpavlin 162 , qq|<h2>Clients on $server::ip</h2>|
241 dpavlin 190 , html::table( -5,
242     'ip', 'hostname', 'mac', 'deploy', 'arp',
243 dpavlin 162 map {
244     my $ip = $_;
245     $ip =~ s{^.+/ip/}{};
246 dpavlin 190 my $arp = $arp->{ client::mac $ip, 'clean' };
247     $arp = $arp ? $arp->[1] : '';
248     $arp =~ s{$ip}{};
249     (
250     qq|<a href=/client/$ip>$ip</a>|
251     , client::conf( $ip, 'hostname' )
252     , client::mac( $ip )
253     , html::tt( client::conf( $ip, 'deploy' ) )
254     , $arp
255     );
256 dpavlin 162 }
257     glob("$server::conf/ip/*")
258     )
259 dpavlin 190 , qq|<h2>ARP</h2>|
260 dpavlin 193 , html::table( -3, 'mac', 'dev', 'ip',
261     map {
262     my $c = $arp->{$_};
263     ( html::tt( $_ ), $c->[1], $c->[0] )
264     } sort keys %$arp
265     )
266 dpavlin 162 ;
267     }
268 dpavlin 43 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
269     eval 'our $' . $1 . ' = ' . $2;
270     warn $@ if $@;
271 dpavlin 199 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
272 dpavlin 67 server::debug( $debug ) if $1 eq 'debug';
273 dpavlin 158 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
274 dpavlin 199 print $client redirect, daemons::start_stop($1);
275 dpavlin 88 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
276     $1->$2();
277 dpavlin 199 print $client redirect;
278 dpavlin 70 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
279 dpavlin 199 print $client redirect;
280 dpavlin 86 kill 1, $1 || kill 9, $2 && warn "killed $1";
281 dpavlin 43 } else {
282     print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
283     warn "404 $path";
284     }
285    
286     }
287 dpavlin 53
288 dpavlin 42 sub start {
289    
290 dpavlin 140 warn 'tap ', network::tap();
291    
292 dpavlin 189 daemons::start_stop 'browser', $url;
293     daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd/ );
294     daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
295    
296 dpavlin 42 my $server = IO::Socket::INET->new(
297     Proto => 'tcp',
298 dpavlin 185 LocalAddr => $server::ip,
299 dpavlin 42 LocalPort => $httpd::port,
300     Listen => SOMAXCONN,
301     Reuse => 1
302 dpavlin 43 ) || die "can't start server on $url: $!";
303 dpavlin 42
304     print "url $url\n";
305    
306 dpavlin 118 while (1) {
307     my $client = $server->accept() || next; # ALARM trickle us
308 dpavlin 42 my $request = <$client>;
309    
310     warn "request $request\n" if $debug;
311    
312     if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
313 dpavlin 43 my $path = $1;
314 dpavlin 42 my $param;
315 dpavlin 43 if ( $path =~ s{\?(.+)}{} ) {
316 dpavlin 42 foreach my $p ( split(/[&;]/, $1) ) {
317     my ($n,$v) = split(/=/, $p, 2);
318     $param->{$n} = $v;
319     }
320     warn "param: ",dump( $param ) if $debug;
321     }
322 dpavlin 43 get_request $client, $path, $param;
323 dpavlin 42 } else {
324     print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
325     warn "500 $request";
326     }
327    
328 dpavlin 149 print $client menu() if $client->connected;
329 dpavlin 42
330     }
331    
332     die "server died";
333     }
334    
335 dpavlin 45 warn "loaded";
336    
337 dpavlin 42 1;

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