| 1 |
use List::Util qw(sum); |
| 2 |
|
| 3 |
use Storable (); |
| 4 |
|
| 5 |
my $SD_VERSION = 1; |
| 6 |
|
| 7 |
my $ignore = qr/ ^(?:robots.txt$|\.) /x; |
| 8 |
|
| 9 |
our %diridx; |
| 10 |
|
| 11 |
if ($db_env) { |
| 12 |
tie %diridx, BerkeleyDB::Hash, |
| 13 |
-Env => $db_env, |
| 14 |
-Filename => "directory", |
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-Flags => DB_CREATE, |
| 16 |
or die "unable to create database index"; |
| 17 |
} |
| 18 |
|
| 19 |
sub conn::gen_statdata { |
| 20 |
my $self = shift; |
| 21 |
my $data; |
| 22 |
|
| 23 |
{ |
| 24 |
my $path = ""; |
| 25 |
my $prefix = ""; |
| 26 |
|
| 27 |
for ("http://".$self->server_hostport, split /\//, substr $self->{name}, 1) { |
| 28 |
next if $_ eq "."; |
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$path .= "<a href='".escape_uri("$prefix$_")."/'>$_</a> / "; |
| 30 |
$prefix .= "$_/"; |
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} |
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$data->{path} = $path; |
| 33 |
} |
| 34 |
|
| 35 |
sub read_file { |
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local ($/, *X); |
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(open X, "<$_[0]\x00") ? <X> : (); |
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} |
| 39 |
|
| 40 |
{ |
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my $path = $self->{path}; |
| 42 |
do { |
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$data->{top} ||= read_file "$path.dols/top"; |
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$data->{bot} ||= read_file "$path.dols/bot"; |
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$path =~ s/[^\/]*\/+$// |
| 46 |
or die "malformed path: $path"; |
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} while $path ne ""; |
| 48 |
} |
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|
| 50 |
local *DIR; |
| 51 |
if (opendir DIR, $self->{path}) { |
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my $dlen = 0; |
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my $flen = 0; |
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my $slen = 0; |
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for (sort readdir DIR) { |
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next if /$ignore/; |
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stat "$self->{path}$_"; |
| 58 |
if (-d _) { |
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next unless 0555 == ((stat _)[2] & 0555); |
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$dlen = length $_ if length $_ > $dlen; |
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push @{$data->{d}}, $_; |
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} else { |
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next unless 0444 == ((stat _)[2] & 0444); |
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my $s = -s _; |
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$flen = length $_ if length $_ > $dlen; |
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$slen = length $s if length $s > $dlen; |
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push @{$data->{f}}, [$_, $s]; |
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} |
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} |
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$data->{dlen} = $dlen; |
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$data->{flen} = $flen; |
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$data->{slen} = $slen; |
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} |
| 74 |
|
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$data; |
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} |
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|
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sub conn::get_statdata { |
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my $self = shift; |
| 80 |
|
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my $mtime = $self->{stat}[9]; |
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|
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$statdata = $diridx{$self->{path}}; |
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|
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if (defined $statdata) { |
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$$statdata = Storable::thaw $statdata; |
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return $$statdata |
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if $$statdata->{version} == $SD_VERSION |
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&& $$statdata->{mtime} == $mtime; |
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} |
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|
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$self->slog(8, "creating index cache for $self->{path}"); |
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|
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$$statdata = $self->gen_statdata; |
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$$statdata->{version} = $SD_VERSION; |
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$$statdata->{mtime} = $mtime; |
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|
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$diridx{$self->{path}} = Storable::freeze $$statdata; |
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(tied %diridx)->db_sync; |
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|
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$$statdata; |
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} |
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|
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sub handle_redirect { # unused |
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if (-f ".redirect") { |
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if (open R, "<.redirect") { |
| 107 |
while (<R>) { |
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if (/^(?:$host$port)$uri([^ \tr\n]*)[ \t\r\n]+(.*)$/) { |
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my $rem = $1; |
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my $url = $2; |
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print $nph ? "HTTP/1.0 302 Moved\n" : "Status: 302 Moved\n"; |
| 112 |
print <<EOF; |
| 113 |
Location: $url |
| 114 |
Content-Type: text/html |
| 115 |
|
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<html> |
| 117 |
<head><title>Page Redirection to $url</title></head> |
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<meta http-equiv="refresh" content="0;URL=$url"> |
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</head> |
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<body text="black" link="#1010C0" vlink="#101080" alink="red" bgcolor="white"> |
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<large> |
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This page has moved to $url.<br /> |
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<a href="$url"> |
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The automatic redirection has failed. Please try a <i>slightly</i> |
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newer browser next time, and in the meantime <i>please</i> follow this link ;) |
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</a> |
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</large> |
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</body> |
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</html> |
| 130 |
EOF |
| 131 |
} |
| 132 |
} |
| 133 |
} |
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} |
| 135 |
} |
| 136 |
|
| 137 |
sub format_time { |
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if ($_[0] < 0) { |
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"--:--:--"; |
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} elsif ($_[0] >= 60*60*24) { |
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sprintf "%02dd %02d:%02d:%02d", |
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int ($_[0] / (60 * 60 * 24)), |
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int ($_[0] / (60 * 60)) % 24, |
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int ($_[0] / 60) % 60, |
| 145 |
int ($_[0]) % 60; |
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} else { |
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sprintf "%02d:%02d:%02d", |
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int ($_[0] / (60 * 60)) % 24, |
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int ($_[0] / 60) % 60, |
| 150 |
int ($_[0]) % 60; |
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} |
| 152 |
} |
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|
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sub conn::diridx { |
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my $self = shift; |
| 156 |
|
| 157 |
my $data = $self->get_statdata; |
| 158 |
|
| 159 |
my $stat; |
| 160 |
if ($data->{dlen}) { |
| 161 |
$stat .= "<table><tr><th>Directories</th></tr>"; |
| 162 |
$data->{dlen} += 1; |
| 163 |
my $cols = int ((79 + $data->{dlen}) / $data->{dlen}); |
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$cols = @{$data->{d}} if @{$data->{d}} < $cols; |
| 165 |
my $col = $cols; |
| 166 |
for (@{$data->{d}}) { |
| 167 |
if (++$col >= $cols) { |
| 168 |
$stat .= "<tr>"; |
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$col = 0; |
| 170 |
} |
| 171 |
if ("$self->{path}$_" =~ $conn::blockuri{$self->{country}}) { |
| 172 |
$stat .= "<td>$_ "; |
| 173 |
} else { |
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$stat .= "<td><a href='".escape_uri("$_/")."'>$_</a> "; |
| 175 |
} |
| 176 |
} |
| 177 |
$stat .= "</table>"; |
| 178 |
} |
| 179 |
if ($data->{flen}) { |
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$data->{flen} += 1 + $data->{slen} + 1 + 3; |
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my $cols = int ((79 + $data->{flen}) / $data->{flen}); |
| 182 |
$cols = @{$data->{f}} if @{$data->{f}} < $cols; |
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my $col = $cols; |
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$stat .= "<table><tr>". ("<th align='left'>File<th>Size<th> " x $cols); |
| 185 |
for (@{$data->{f}}) { |
| 186 |
if (++$col >= $cols) { |
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$stat .= "<tr>"; |
| 188 |
$col = 0; |
| 189 |
} |
| 190 |
$stat .= "<td><a href='".escape_uri($_->[0])."'>$_->[0]</a><td align='right'>$_->[1]<td> "; |
| 191 |
} |
| 192 |
$stat .= "</table>"; |
| 193 |
} |
| 194 |
|
| 195 |
<<EOF; |
| 196 |
<html> |
| 197 |
<head><title>$self->{uri}</title></head> |
| 198 |
<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
| 199 |
<h1>$data->{path}</h1> |
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$data->{top} |
| 201 |
<hr /> |
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<a href="/internal/status">Server Status Page & Queueing Info</a> |
| 203 |
<hr /> |
| 204 |
$stat |
| 205 |
$data->{bot} |
| 206 |
</body> |
| 207 |
</html> |
| 208 |
EOF |
| 209 |
} |
| 210 |
|
| 211 |
sub statuspage { |
| 212 |
my ($self, $verbose) = @_; |
| 213 |
|
| 214 |
my $uptime = format_time ($::NOW - $::starttime); |
| 215 |
|
| 216 |
my $content = <<EOF; |
| 217 |
<html> |
| 218 |
<head><title>Server Status Page</title></head> |
| 219 |
<body bgcolor="#ffffff" text="#000000" link="#0000ff" vlink="#000080" alink="#ff0000"> |
| 220 |
<h1>Server Status Page</h1> |
| 221 |
<h2>Myhttpd</h2> |
| 222 |
version <b>$VERSION</b>; current:max connection count: <b>$::conns</b>:<b>$::maxconns</b>; uptime: <b>$uptime</b>;<br /> |
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client-id <b>$self->{remote_id}</b>; client country <b>$self->{country}</b>;<br /> |
| 224 |
<h2>Queue Statistics</h2> |
| 225 |
<ul> |
| 226 |
EOF |
| 227 |
|
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for ( |
| 229 |
["download queue", $queue_file], |
| 230 |
["other queue", $queue_index], |
| 231 |
) { |
| 232 |
my ($name, $queue) = @$_; |
| 233 |
my @waiters = $queue->waiters; |
| 234 |
if (@waiters) { |
| 235 |
$content .= "<li>$name<br />".(scalar @waiters)." client(s); $queue->{started} downloads started;"; |
| 236 |
|
| 237 |
$content .= "<p>Waiting time until download starts, estimated:<ul>"; |
| 238 |
for ( |
| 239 |
["by most recently started transfer", $queue->{lastspb}], |
| 240 |
["by queue average", $queue->{avgspb}], |
| 241 |
["by next client in queue", $waiters[0]{spb}], |
| 242 |
) { |
| 243 |
my ($by, $spb) = @$_; |
| 244 |
$content .= "<li>$by<br />"; |
| 245 |
if ($spb) { |
| 246 |
$content .= sprintf "100 KB file: <b>%s</b>; 1 MB file: <b>%s</b>; 100MB file: <b>%s</b>;", |
| 247 |
format_time($spb* 100_000), |
| 248 |
format_time($spb* 1_000_000), |
| 249 |
format_time($spb*100_000_000); |
| 250 |
} else { |
| 251 |
$content .= "(unavailable)"; |
| 252 |
} |
| 253 |
$content .= "</li>"; |
| 254 |
} |
| 255 |
$content .= "</ul></p>"; |
| 256 |
|
| 257 |
@waiters = grep { $verbose || $_->{coro}{conn}{remote_id} eq $self->{remote_id} } @waiters; |
| 258 |
if (@waiters) { |
| 259 |
$content .= "<table border='1' width='100%'><tr><th>#</th><th>Remote ID</th>". |
| 260 |
"<th>CN</th><th>Size</th><th>Waiting</th><th>ETA</th><th>URI</th></tr>"; |
| 261 |
my $idx = 0; |
| 262 |
for (@waiters) { |
| 263 |
my $conn = $_->{coro}{conn}; |
| 264 |
my $time = format_time ($::NOW - $_->{time}); |
| 265 |
my $eta = format_time ($queue->{avgspb} * $_->{size} - ($::NOW - $_->{time})); |
| 266 |
|
| 267 |
$idx++; |
| 268 |
|
| 269 |
$content .= "<tr>". |
| 270 |
"<td align='right'>$idx</td>". |
| 271 |
"<td>$conn->{remote_id}</td>". |
| 272 |
"<td>$conn->{country}</td>". |
| 273 |
"<td align='right'>$_->{size}</td>". |
| 274 |
"<td align='right'>$time</td>". |
| 275 |
"<td align='right'>$eta</td>". |
| 276 |
"<td>".escape_html($conn->{name})."</td>". |
| 277 |
"</tr>"; |
| 278 |
} |
| 279 |
$content .= "</table></li>"; |
| 280 |
} |
| 281 |
$content .= "</li>"; |
| 282 |
} else { |
| 283 |
$content .= "<li>$name<br />(empty)</li>"; |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
$content .= <<EOF; |
| 288 |
</ul> |
| 289 |
</body> |
| 290 |
</html> |
| 291 |
EOF |
| 292 |
|
| 293 |
$self->response(200, "ok", |
| 294 |
{ |
| 295 |
"Content-Type" => "text/html", |
| 296 |
"Content-Length" => length $content, |
| 297 |
}, |
| 298 |
$content); |
| 299 |
}; |
| 300 |
|
| 301 |
$::internal{status} = sub { statuspage($_[0], 0) }; |
| 302 |
$::internal{queue} = sub { statuspage($_[0], 1) }; |
| 303 |
|
| 304 |
1; |
