/[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!
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Annotation of /lib/PXElator/httpd.pm

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Revision 207 - (hide annotations)
Wed Aug 12 22:56:45 2009 UTC (14 years, 7 months ago) by dpavlin
File size: 8067 byte(s)
first verision which boots virtual machine logging using new CouchDB::audit code

it need some more work to make it less ugly (especially console output) and
less redundant/useful, but it's a start

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 dpavlin 207 CouchDB::audit('static', 'parent', { pid => $pid, path => $path });
67 dpavlin 70 return 1;
68     }
69    
70 dpavlin 65 my $type = 'application/octet-stream';
71 dpavlin 42 $type = 'text/html' if $path =~ m{\.htm};
72     $type = 'application/javascript' if $path =~ m{\.js};
73 dpavlin 65 $type = 'text/plain' if $path =~ m{\.txt};
74 dpavlin 42
75 dpavlin 65 my $size = -s $full || return;
76    
77     print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n";
78    
79     open(my $fh, $full);
80    
81 dpavlin 96 my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it)
82 dpavlin 65 my $buff;
83     my $pos = 0;
84    
85 dpavlin 207 CouchDB::audit( 'static', 'child', { pid => $$, path => $path, type => $type, size => $size, block => $block });
86 dpavlin 96
87 dpavlin 115 progress_bar::start;
88 dpavlin 105
89 dpavlin 65 while( my $len = read $fh, $buff, $block ) {
90 dpavlin 107 print $client $buff;
91 dpavlin 105 $client->flush;
92 dpavlin 65 $pos += $len;
93 dpavlin 115 progress_bar::tick( $path, $pos, $size );
94 dpavlin 42 }
95 dpavlin 65 close($fh);
96     close($client);
97 dpavlin 42
98 dpavlin 105 print STDERR "\n";
99 dpavlin 65
100 dpavlin 207 CouchDB::audit( 'static', 'child', 'exit', { pid => $$ } );
101 dpavlin 107
102     exit(0);
103 dpavlin 42 }
104    
105 dpavlin 199 sub ok {
106     qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu()
107     }
108 dpavlin 67
109 dpavlin 199 sub redirect {
110     my $to = shift;
111     $to ||= $url;
112     qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $to\r\n\r\n|
113     }
114    
115 dpavlin 43 sub get_request {
116     my ( $client, $path, $param ) = @_;
117    
118 dpavlin 128 server->refresh;
119    
120 dpavlin 207 CouchDB::audit( 'request', { path => $path, param => $param } );
121 dpavlin 43
122     if ( my $found = static( $client,$path ) ) {
123     warn "static $found" if $debug;
124     } elsif ( $path eq '/' ) {
125 dpavlin 53
126 dpavlin 66 my @rows = (
127 dpavlin 64 'debug', qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|,
128 dpavlin 43 );
129 dpavlin 70
130 dpavlin 96 my $debug_proc = '';
131 dpavlin 71
132 dpavlin 185 foreach my $name ( sort keys %$daemons::pids ) {
133     my $pid = $daemons::pids->{$name} || next;
134 dpavlin 43
135 dpavlin 173 my $html;
136 dpavlin 66
137 dpavlin 81 my $proc = "/proc/$pid/status";
138 dpavlin 71
139 dpavlin 81 if ( -e $proc ) {
140 dpavlin 173 $html .= qq|<a href=/start_stop/$name>$pid</a>|;
141 dpavlin 81 if ( $debug ) {
142     $html .= qq| <a name=$pid href=#proc-$pid>?</a>|;
143    
144     $debug_proc
145     .= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">|
146     . read_file($proc)
147     . qq|</pre>|
148     ;
149     }
150    
151 dpavlin 88 if ( $name->can('start_fork') ) {
152     $html .= qq| <a href=/start_stop/kvm/$_>$_</a>| foreach $name->start_fork;
153 dpavlin 81 }
154 dpavlin 88
155     if ( $name->can('actions') ) {
156     $html .= qq| <a href=/action/kvm/$_>$_</a>| foreach $name->actions;
157     }
158 dpavlin 173 } else {
159     $html .= qq|<a href=/start_stop/$name>restart</a> $pid exited|;
160 dpavlin 71 }
161    
162 dpavlin 66 push @rows, ( $name => $html );
163     }
164    
165 dpavlin 91 my $below_table = '';
166    
167 dpavlin 78 warn 'static_pids: ', dump( $static_pids ) if $debug;
168 dpavlin 70 foreach my $pid ( keys %$static_pids ) {
169     my $path = $static_pids->{$pid};
170     if ( -d "/proc/$pid" ) {
171     push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| );
172 dpavlin 91 } elsif ( $param->{clean_completed_downloads} ) {
173     delete $static_pids->{$pid}
174 dpavlin 70 } else {
175     push @rows, ( $path => "$pid competed" );
176 dpavlin 91 $below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|;
177 dpavlin 70 }
178     }
179    
180 dpavlin 199 print $client ok
181 dpavlin 72 , html::table( 2, @rows )
182 dpavlin 91 , $below_table
183 dpavlin 72 , html::tabs( log::mac_changes )
184     , $debug_proc
185     ;
186 dpavlin 66
187 dpavlin 149 } elsif ( $path =~ m{^/server} ) {
188 dpavlin 199 print $client ok
189 dpavlin 185 , html::table( 2, map { ( $_, html::tt eval '$server::'.$_ ) } ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir', 'conf' ) )
190 dpavlin 149 ;
191 dpavlin 162 } elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) {
192     my $ip = $1 || $client->peerhost;
193 dpavlin 200
194     if ( my $new_ip = $param->{change_ip} ) {
195     client::change_ip( $ip, $new_ip );
196     $ip = $new_ip;
197     }
198    
199 dpavlin 162 if ( $ip ne $server::ip ) {
200     my $hostname = client::conf( $ip, 'hostname' => $param->{hostname} );
201 dpavlin 188
202     my @table = (
203 dpavlin 199 'ip' => qq|<input type=text name=change_ip value="$ip" onChange="document.getElementById('old_ip').style.display = '';"><span id=old_ip style="display: none; color: #888;">old: $ip<span>|,
204     'hostname' => qq|<input type=text name=hostname value="$hostname">|,
205 dpavlin 188 );
206    
207     my $deploy;
208    
209     if ( my $mac = client::mac( $ip ) ) {
210     $deploy = client::conf( $ip, 'deploy' => $param->{deploy} );
211     push @table, (
212     'mac' => $mac,
213     'deploy' => html::select( 'deploy', $deploy, config::available )
214     );
215     $deploy = qq|<h2>PXElinux</h2>| . html::pre( config::for_ip( $ip ) );
216     }
217    
218 dpavlin 199 print $client ok
219 dpavlin 162 , qq|<form method=get>|
220 dpavlin 188 , html::table( 2, @table ),
221 dpavlin 162 , qq|<input type=submit value=change></form>|
222 dpavlin 188 , $deploy
223 dpavlin 162 ;
224 dpavlin 181
225     if ( my $amt = client::conf( $ip, 'amt' ) ) {
226 dpavlin 188 print $client qq|<h2>AMT</h2>|, amt::info( $amt );
227 dpavlin 181 }
228 dpavlin 162 } else {
229 dpavlin 190
230     my $arp = {
231     map {
232     my @c = split(/\s+/,$_);
233     if ( $#c == 5 ) {
234     ( uc $c[3] => [ $c[0] , $c[5] ] )
235     } else {
236     }
237     } read_file('/proc/net/arp')
238     };
239    
240     warn "# arp ",dump( $arp );
241    
242 dpavlin 199 print $client ok
243 dpavlin 162 , qq|<h2>Clients on $server::ip</h2>|
244 dpavlin 190 , html::table( -5,
245     'ip', 'hostname', 'mac', 'deploy', 'arp',
246 dpavlin 162 map {
247     my $ip = $_;
248     $ip =~ s{^.+/ip/}{};
249 dpavlin 190 my $arp = $arp->{ client::mac $ip, 'clean' };
250     $arp = $arp ? $arp->[1] : '';
251     $arp =~ s{$ip}{};
252     (
253     qq|<a href=/client/$ip>$ip</a>|
254     , client::conf( $ip, 'hostname' )
255     , client::mac( $ip )
256     , html::tt( client::conf( $ip, 'deploy' ) )
257     , $arp
258     );
259 dpavlin 162 }
260     glob("$server::conf/ip/*")
261     )
262 dpavlin 190 , qq|<h2>ARP</h2>|
263 dpavlin 193 , html::table( -3, 'mac', 'dev', 'ip',
264     map {
265     my $c = $arp->{$_};
266     ( html::tt( $_ ), $c->[1], $c->[0] )
267     } sort keys %$arp
268     )
269 dpavlin 162 ;
270     }
271 dpavlin 43 } elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) {
272     eval 'our $' . $1 . ' = ' . $2;
273     warn $@ if $@;
274 dpavlin 199 print $client redirect($url), qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|;
275 dpavlin 67 server::debug( $debug ) if $1 eq 'debug';
276 dpavlin 158 } elsif ( $path =~ m{^/start_stop/(\S+)} ) {
277 dpavlin 199 print $client redirect, daemons::start_stop($1);
278 dpavlin 88 } elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) {
279     $1->$2();
280 dpavlin 199 print $client redirect;
281 dpavlin 70 } elsif ( $path =~ m{^/kill/static/(\d+)} ) {
282 dpavlin 199 print $client redirect;
283 dpavlin 86 kill 1, $1 || kill 9, $2 && warn "killed $1";
284 dpavlin 43 } else {
285     print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>";
286     warn "404 $path";
287     }
288    
289     }
290 dpavlin 53
291 dpavlin 42 sub start {
292    
293 dpavlin 140 warn 'tap ', network::tap();
294    
295 dpavlin 189 daemons::start_stop 'browser', $url;
296     daemons::start_stop $_ foreach ( qw/dhcpd tftpd dnsd/ );
297     daemons::start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device
298    
299 dpavlin 42 my $server = IO::Socket::INET->new(
300     Proto => 'tcp',
301 dpavlin 185 LocalAddr => $server::ip,
302 dpavlin 42 LocalPort => $httpd::port,
303     Listen => SOMAXCONN,
304     Reuse => 1
305 dpavlin 43 ) || die "can't start server on $url: $!";
306 dpavlin 42
307     print "url $url\n";
308    
309 dpavlin 118 while (1) {
310     my $client = $server->accept() || next; # ALARM trickle us
311 dpavlin 42 my $request = <$client>;
312    
313     warn "request $request\n" if $debug;
314    
315     if ($request =~ m{^GET (/.*) HTTP/1.[01]}) {
316 dpavlin 43 my $path = $1;
317 dpavlin 42 my $param;
318 dpavlin 43 if ( $path =~ s{\?(.+)}{} ) {
319 dpavlin 42 foreach my $p ( split(/[&;]/, $1) ) {
320     my ($n,$v) = split(/=/, $p, 2);
321     $param->{$n} = $v;
322     }
323     warn "param: ",dump( $param ) if $debug;
324     }
325 dpavlin 43 get_request $client, $path, $param;
326 dpavlin 42 } else {
327     print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request";
328     warn "500 $request";
329     }
330    
331 dpavlin 149 print $client menu() if $client->connected;
332 dpavlin 42
333     }
334    
335     die "server died";
336     }
337    
338 dpavlin 45 warn "loaded";
339    
340 dpavlin 42 1;

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