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dpavlin |
42 |
package httpd; |
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use warnings; |
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use strict; |
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use autodie; |
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=head1 httpd |
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Start with: |
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perl -Ilib/PXElator -Mhttpd -e httpd::start |
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=cut |
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use Data::Dump qw/dump/; |
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use Carp qw/confess/; |
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use File::Slurp; |
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#use JSON; |
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use IO::Socket::INET; |
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dpavlin |
162 |
use Regexp::Common qw/net/; |
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dpavlin |
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|
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dpavlin |
149 |
sub menu {qq{ |
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<div style="font-size: 80%; color: #888"> |
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<a href=/>home</a> |
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<a href=/server>server</a> |
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dpavlin |
153 |
<a href=/client>client</a> |
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dpavlin |
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</div> |
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}} |
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dpavlin |
70 |
our $pids; |
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$pids = { httpd => $$ } unless defined $pids; # keep pids on refresh |
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dpavlin |
66 |
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sub DESTROY { |
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warn "pids ",dump( $pids ); |
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foreach ( values %$pids ) { |
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warn "kill $_"; |
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kill 1,$_ || kill 9, $_; |
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} |
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} |
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dpavlin |
42 |
our $port = 7777; |
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use server; |
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dpavlin |
67 |
our $debug = server::debug; |
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dpavlin |
64 |
our $url = "http://$server::ip:$port"; |
48 |
dpavlin |
42 |
|
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dpavlin |
43 |
use html; |
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dpavlin |
70 |
our $static_pids; |
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dpavlin |
115 |
use progress_bar; |
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dpavlin |
153 |
use config; |
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dpavlin |
159 |
use client; |
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use log; |
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dpavlin |
173 |
use x11; |
56 |
dpavlin |
181 |
use amt; |
57 |
dpavlin |
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|
58 |
dpavlin |
42 |
sub static { |
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my ($client,$path) = @_; |
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dpavlin |
65 |
my $full = "$server::base_dir/tftp/$path"; |
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dpavlin |
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|
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dpavlin |
65 |
return if ! -f $full; |
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dpavlin |
42 |
|
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dpavlin |
70 |
if ( my $pid = fork ) { |
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# parent |
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close($client); |
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print "http static child $pid\n"; |
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$static_pids->{$pid} = $path; |
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return 1; |
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} |
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dpavlin |
65 |
my $type = 'application/octet-stream'; |
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dpavlin |
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$type = 'text/html' if $path =~ m{\.htm}; |
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$type = 'application/javascript' if $path =~ m{\.js}; |
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dpavlin |
65 |
$type = 'text/plain' if $path =~ m{\.txt}; |
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dpavlin |
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|
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dpavlin |
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my $size = -s $full || return; |
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print $client "HTTP/1.0 200 OK\r\nContent-Type: $type\r\nContent-Length: $size\r\nConnection: close\r\n\r\n"; |
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open(my $fh, $full); |
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dpavlin |
96 |
my $block = 1400; # try not to fragment packages (pxelinux seems to have problems with it) |
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dpavlin |
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my $buff; |
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my $pos = 0; |
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dpavlin |
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warn "static $path $type $size block: $block\n"; |
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dpavlin |
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dpavlin |
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progress_bar::start; |
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dpavlin |
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|
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dpavlin |
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while( my $len = read $fh, $buff, $block ) { |
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dpavlin |
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print $client $buff; |
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dpavlin |
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$client->flush; |
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dpavlin |
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$pos += $len; |
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dpavlin |
115 |
progress_bar::tick( $path, $pos, $size ); |
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dpavlin |
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} |
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dpavlin |
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close($fh); |
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close($client); |
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dpavlin |
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|
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dpavlin |
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print STDERR "\n"; |
102 |
dpavlin |
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|
103 |
dpavlin |
107 |
warn "exit static child"; |
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exit(0); |
106 |
dpavlin |
42 |
} |
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108 |
dpavlin |
43 |
use boolean; |
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dpavlin |
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|
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use kvm; |
111 |
dpavlin |
42 |
|
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dpavlin |
57 |
$SIG{CHLD} = 'IGNORE'; |
113 |
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114 |
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sub start_stop { |
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my $daemon = shift; |
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dpavlin |
184 |
my $pid = $pids->{$daemon}; |
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my $pid_path = "$server::conf/$daemon.pid"; |
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if ( ! $pid && -e $pid_path ) { |
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my $p = read_file $pid_path; |
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if ( kill 0, $p ) { |
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warn "adopted $daemon $p\n"; |
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return $pids->{$daemon} = $p; |
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} else { |
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warn "old $daemon $p not running"; |
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unlink $pid_path; |
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} |
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} |
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$pid ||= 'not started'; |
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dpavlin |
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warn "start_stop $daemon $pid\n"; |
133 |
dpavlin |
57 |
|
134 |
dpavlin |
67 |
if ( $pid =~ m{^\d+$} ) { |
135 |
dpavlin |
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my $pstree = `pstree -p $pid`; |
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my @pids = $pstree =~ m{\((\d+)\)}g; |
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warn "pstree $pstree pids ",dump( @pids ); |
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kill 1, $_ foreach reverse @pids; |
139 |
dpavlin |
66 |
$pids->{$daemon} = 'stopped'; |
140 |
dpavlin |
57 |
return qq|$daemon pid $pid stopped|; |
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} else { |
142 |
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if ( $pid = fork ) { |
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# parent |
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$pids->{$daemon} = $pid; |
145 |
dpavlin |
184 |
write_file $pid_path, $pid; |
146 |
dpavlin |
96 |
warn "forked $daemon $pid\n"; |
147 |
dpavlin |
57 |
return qq|$daemon pid $pid started|; |
148 |
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} elsif ( defined $pid ) { |
149 |
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# child |
150 |
dpavlin |
81 |
my $invoke = 'start'; |
151 |
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$invoke = $1 if $daemon =~ s{/(.+)}{}; |
152 |
dpavlin |
158 |
if ( $daemon =~ m{dhcpd|tftpd|dnsd} ) { |
153 |
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my $exec = "perl -I$server::base_dir/lib -I$server::base_dir/lib/PXElator -M$daemon -e ${daemon}::${invoke}"; |
154 |
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warn "exec $exec"; |
155 |
dpavlin |
173 |
x11::xterm( $daemon => $exec ); |
156 |
dpavlin |
158 |
} else { |
157 |
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my $eval = $daemon . '::' . $invoke . '(' . ( @_ ? dump(@_) : '' ) . ')'; |
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warn "eval $eval"; |
159 |
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eval $eval; |
160 |
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warn "can't start $daemon: $@" if $@; |
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} |
162 |
dpavlin |
57 |
exit; |
163 |
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} else { |
164 |
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die "fork error $!"; |
165 |
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} |
166 |
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} |
167 |
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} |
168 |
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169 |
dpavlin |
162 |
my $ok = qq|HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n| . menu(); |
170 |
dpavlin |
67 |
my $redirect = qq|HTTP/1.1 302 Found\r\nContent-type: text/html\r\nLocation: $url\r\n\r\n|; |
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172 |
dpavlin |
43 |
sub get_request { |
173 |
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my ( $client, $path, $param ) = @_; |
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175 |
dpavlin |
128 |
server->refresh; |
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177 |
dpavlin |
96 |
warn "get_request $path ", $param ? dump( $param ) : '', "\n"; |
178 |
dpavlin |
43 |
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if ( my $found = static( $client,$path ) ) { |
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warn "static $found" if $debug; |
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} elsif ( $path eq '/' ) { |
182 |
dpavlin |
53 |
|
183 |
dpavlin |
66 |
my @rows = ( |
184 |
dpavlin |
64 |
'debug', qq|<a href=/our/debug/| . boolean::toggle($debug) . qq|>$debug</a>|, |
185 |
dpavlin |
43 |
); |
186 |
dpavlin |
70 |
|
187 |
dpavlin |
96 |
my $debug_proc = ''; |
188 |
dpavlin |
71 |
|
189 |
dpavlin |
78 |
warn 'pids: ', dump( $pids ) if $debug; |
190 |
dpavlin |
87 |
foreach my $name ( sort keys %$pids ) { |
191 |
dpavlin |
66 |
my $pid = $pids->{$name} || next; |
192 |
dpavlin |
43 |
|
193 |
dpavlin |
173 |
my $html; |
194 |
dpavlin |
66 |
|
195 |
dpavlin |
81 |
my $proc = "/proc/$pid/status"; |
196 |
dpavlin |
71 |
|
197 |
dpavlin |
81 |
if ( -e $proc ) { |
198 |
dpavlin |
173 |
$html .= qq|<a href=/start_stop/$name>$pid</a>|; |
199 |
dpavlin |
81 |
if ( $debug ) { |
200 |
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$html .= qq| <a name=$pid href=#proc-$pid>?</a>|; |
201 |
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202 |
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$debug_proc |
203 |
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.= qq|<a name=proc-$pid href=#$pid>$proc</a><pre style="font-size: 10%">| |
204 |
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. read_file($proc) |
205 |
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. qq|</pre>| |
206 |
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; |
207 |
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} |
208 |
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209 |
dpavlin |
88 |
if ( $name->can('start_fork') ) { |
210 |
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$html .= qq| <a href=/start_stop/kvm/$_>$_</a>| foreach $name->start_fork; |
211 |
dpavlin |
81 |
} |
212 |
dpavlin |
88 |
|
213 |
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if ( $name->can('actions') ) { |
214 |
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$html .= qq| <a href=/action/kvm/$_>$_</a>| foreach $name->actions; |
215 |
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} |
216 |
dpavlin |
173 |
} else { |
217 |
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$html .= qq|<a href=/start_stop/$name>restart</a> $pid exited|; |
218 |
dpavlin |
71 |
} |
219 |
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220 |
dpavlin |
66 |
push @rows, ( $name => $html ); |
221 |
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} |
222 |
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223 |
dpavlin |
91 |
my $below_table = ''; |
224 |
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225 |
dpavlin |
78 |
warn 'static_pids: ', dump( $static_pids ) if $debug; |
226 |
dpavlin |
70 |
foreach my $pid ( keys %$static_pids ) { |
227 |
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my $path = $static_pids->{$pid}; |
228 |
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if ( -d "/proc/$pid" ) { |
229 |
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push @rows, ( $path => qq|<a href=/kill/static/$pid>$pid</a>| ); |
230 |
dpavlin |
91 |
} elsif ( $param->{clean_completed_downloads} ) { |
231 |
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delete $static_pids->{$pid} |
232 |
dpavlin |
70 |
} else { |
233 |
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push @rows, ( $path => "$pid competed" ); |
234 |
dpavlin |
91 |
$below_table = qq|<a href="/?clean_completed_downloads=1">clean completed downloads</a>|; |
235 |
dpavlin |
70 |
} |
236 |
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} |
237 |
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238 |
dpavlin |
72 |
print $client $ok |
239 |
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, html::table( 2, @rows ) |
240 |
dpavlin |
91 |
, $below_table |
241 |
dpavlin |
72 |
, html::tabs( log::mac_changes ) |
242 |
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, $debug_proc |
243 |
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; |
244 |
dpavlin |
66 |
|
245 |
dpavlin |
149 |
} elsif ( $path =~ m{^/server} ) { |
246 |
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print $client $ok |
247 |
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, html::table( 2, map { ( $_, eval '$server::'.$_ ) } ( 'ip', 'netmask', 'ip_from', 'ip_to', 'domain_name', 'base_dir' ) ) |
248 |
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; |
249 |
dpavlin |
162 |
} elsif ( $path =~ m!^/client(?:/$RE{net}{IPv4}{-keep})?! ) { |
250 |
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my $ip = $1 || $client->peerhost; |
251 |
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if ( $ip ne $server::ip ) { |
252 |
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my $hostname = client::conf( $ip, 'hostname' => $param->{hostname} ); |
253 |
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my $deploy = client::conf( $ip, 'deploy' => $param->{deploy} ); |
254 |
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print $client $ok |
255 |
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, qq|<form method=get>| |
256 |
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, html::table( 2, |
257 |
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'ip' => $ip, |
258 |
dpavlin |
165 |
'mac' => client::mac( $ip ), |
259 |
dpavlin |
162 |
'hostname' => qq|<input type=text name=hostname value=$hostname>|, |
260 |
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'deploy' => html::select( 'deploy', $deploy, config::available ), |
261 |
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) |
262 |
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, qq|<input type=submit value=change></form>| |
263 |
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, qq|<h2>PXElinux $deploy</h2><pre>| |
264 |
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, config::for_ip( $ip ) |
265 |
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, qq|</pre>| |
266 |
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; |
267 |
dpavlin |
181 |
|
268 |
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if ( my $amt = client::conf( $ip, 'amt' ) ) { |
269 |
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print $client amt::info( $amt ); |
270 |
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} |
271 |
dpavlin |
162 |
} else { |
272 |
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print $client $ok |
273 |
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, qq|<h2>Clients on $server::ip</h2>| |
274 |
dpavlin |
173 |
, html::table( -4, |
275 |
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'ip', 'mac', 'hostname', 'deploy', |
276 |
dpavlin |
162 |
map { |
277 |
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my $ip = $_; |
278 |
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$ip =~ s{^.+/ip/}{}; |
279 |
dpavlin |
173 |
( qq|<a href=/client/$ip>$ip</a>|, client::mac($ip), client::conf( $ip, 'hostname' ), client::conf( $ip, 'deploy' ) ); |
280 |
dpavlin |
162 |
} |
281 |
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glob("$server::conf/ip/*") |
282 |
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) |
283 |
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; |
284 |
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} |
285 |
dpavlin |
43 |
} elsif ( $path =~ m{^/our/(\w+)/(\S+)} ) { |
286 |
|
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eval 'our $' . $1 . ' = ' . $2; |
287 |
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warn $@ if $@; |
288 |
dpavlin |
67 |
print $client $redirect, qq|<big>$1 = $2</big><br>Location: <a href="$url">$url</a>|; |
289 |
|
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server::debug( $debug ) if $1 eq 'debug'; |
290 |
dpavlin |
158 |
} elsif ( $path =~ m{^/start_stop/(\S+)} ) { |
291 |
dpavlin |
67 |
print $client $redirect, start_stop($1); |
292 |
dpavlin |
88 |
} elsif ( $path =~ m{^/action/([^/]+)/(.+)} ) { |
293 |
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$1->$2(); |
294 |
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print $client $redirect; |
295 |
dpavlin |
70 |
} elsif ( $path =~ m{^/kill/static/(\d+)} ) { |
296 |
|
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print $client $redirect; |
297 |
dpavlin |
86 |
kill 1, $1 || kill 9, $2 && warn "killed $1"; |
298 |
dpavlin |
43 |
} else { |
299 |
|
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print $client "HTTP/1.0 404 $path\r\nConnection: close\r\nContent-type: text/html\r\n\r\n<big>404 $path</big>"; |
300 |
|
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warn "404 $path"; |
301 |
|
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} |
302 |
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|
303 |
|
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} |
304 |
dpavlin |
53 |
|
305 |
dpavlin |
66 |
use browser; |
306 |
dpavlin |
140 |
use network; |
307 |
dpavlin |
66 |
|
308 |
dpavlin |
42 |
sub start { |
309 |
|
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|
310 |
dpavlin |
140 |
warn 'tap ', network::tap(); |
311 |
|
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|
312 |
dpavlin |
42 |
my $server = IO::Socket::INET->new( |
313 |
|
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Proto => 'tcp', |
314 |
|
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LocalPort => $httpd::port, |
315 |
|
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Listen => SOMAXCONN, |
316 |
|
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Reuse => 1 |
317 |
dpavlin |
43 |
) || die "can't start server on $url: $!"; |
318 |
dpavlin |
42 |
|
319 |
|
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print "url $url\n"; |
320 |
|
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|
321 |
dpavlin |
66 |
start_stop 'browser', $url; |
322 |
dpavlin |
158 |
start_stop 'dhcpd'; |
323 |
|
|
start_stop 'tftpd'; |
324 |
|
|
start_stop 'dnsd'; |
325 |
dpavlin |
179 |
start_stop 'kvm' unless $ENV{DEV}; # skip kvm statup when running on real device |
326 |
dpavlin |
42 |
|
327 |
dpavlin |
118 |
while (1) { |
328 |
|
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my $client = $server->accept() || next; # ALARM trickle us |
329 |
dpavlin |
42 |
my $request = <$client>; |
330 |
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|
331 |
|
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warn "request $request\n" if $debug; |
332 |
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|
333 |
|
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if ($request =~ m{^GET (/.*) HTTP/1.[01]}) { |
334 |
dpavlin |
43 |
my $path = $1; |
335 |
dpavlin |
42 |
my $param; |
336 |
dpavlin |
43 |
if ( $path =~ s{\?(.+)}{} ) { |
337 |
dpavlin |
42 |
foreach my $p ( split(/[&;]/, $1) ) { |
338 |
|
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my ($n,$v) = split(/=/, $p, 2); |
339 |
|
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$param->{$n} = $v; |
340 |
|
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} |
341 |
|
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warn "param: ",dump( $param ) if $debug; |
342 |
|
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} |
343 |
dpavlin |
43 |
get_request $client, $path, $param; |
344 |
dpavlin |
42 |
} else { |
345 |
|
|
print $client "HTTP/1.0 500 No method\r\nConnection: close\r\nContent-type: text/plain\r\n\r\n500 $request"; |
346 |
|
|
warn "500 $request"; |
347 |
|
|
} |
348 |
|
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|
349 |
dpavlin |
149 |
print $client menu() if $client->connected; |
350 |
dpavlin |
42 |
|
351 |
|
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} |
352 |
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|
353 |
|
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die "server died"; |
354 |
|
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} |
355 |
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|
356 |
dpavlin |
45 |
warn "loaded"; |
357 |
|
|
|
358 |
dpavlin |
42 |
1; |