| 1 |
#! perl |
| 2 |
|
| 3 |
# why this is an extension is a good question. next question. |
| 4 |
|
| 5 |
use Fcntl; |
| 6 |
|
| 7 |
use Coro; |
| 8 |
use Coro::AIO; |
| 9 |
|
| 10 |
our $emergency_position = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
| 11 |
|
| 12 |
our $DEACTIVATE_TIMEOUT = 60; # number of seconds after which maps get deactivated to save cpu |
| 13 |
our $SWAP_TIMEOUT = 600; # number of seconds after which maps inactive get swapped out |
| 14 |
our $SCHEDULE_INTERVAL = 8; # time the map scheduler sleeps between runs |
| 15 |
our $SAVE_TIMEOUT = 60; # save maps every n seconds |
| 16 |
our $SAVE_INTERVAL = 0.4; # save at max. one map every $SAVE_HOLD |
| 17 |
our $MAX_RESET = 7200; |
| 18 |
|
| 19 |
$DEACTIVATE_TIMEOUT = 3;#d# |
| 20 |
$SWAP_TIMEOUT = 5;#d# |
| 21 |
$SCHEDULE_INTERVAL = 1; |
| 22 |
|
| 23 |
$cf::LINK_MAP ||= do { |
| 24 |
my $map = cf::map::new; |
| 25 |
|
| 26 |
$map->width (1); |
| 27 |
$map->height (1); |
| 28 |
$map->alloc; |
| 29 |
$map->path ("{link}"); |
| 30 |
$map->{path} = bless { path => "{link}" }, "cf::path"; |
| 31 |
$map->in_memory (cf::MAP_IN_MEMORY); |
| 32 |
|
| 33 |
$map |
| 34 |
}; |
| 35 |
|
| 36 |
{ |
| 37 |
package cf::path; |
| 38 |
|
| 39 |
sub new { |
| 40 |
my ($class, $path, $base) = @_; |
| 41 |
|
| 42 |
my %res; |
| 43 |
|
| 44 |
if ($path =~ s{^~([^/]+)?}{}) { |
| 45 |
$res{user_rel} = 1; |
| 46 |
|
| 47 |
if (defined $1) { |
| 48 |
$res{user} = $1; |
| 49 |
} elsif ($base =~ m{^~([^/]+)/}) { |
| 50 |
$res{user} = $1; |
| 51 |
} else { |
| 52 |
warn "cannot resolve user-relative path without user <$path,$base>\n"; |
| 53 |
} |
| 54 |
} elsif ($path =~ /^\//) { |
| 55 |
# already absolute |
| 56 |
} else { |
| 57 |
$base =~ s{[^/]+/?$}{}; |
| 58 |
return $class->new ("$base/$path"); |
| 59 |
} |
| 60 |
|
| 61 |
for ($path) { |
| 62 |
redo if s{/\.?/}{/}; |
| 63 |
redo if s{/[^/]+/\.\./}{/}; |
| 64 |
} |
| 65 |
|
| 66 |
$res{path} = $path; |
| 67 |
|
| 68 |
bless \%res, $class |
| 69 |
} |
| 70 |
|
| 71 |
# the name / primary key / in-game path |
| 72 |
sub as_string { |
| 73 |
my ($self) = @_; |
| 74 |
|
| 75 |
$self->{user_rel} |
| 76 |
? "~$self->{user}$self->{path}" |
| 77 |
: $self->{path} |
| 78 |
} |
| 79 |
|
| 80 |
# escape the /'s in the path |
| 81 |
sub escaped_path { |
| 82 |
# ∕ is U+2215 |
| 83 |
(my $path = $_[0]{path}) =~ s/\//∕/g; |
| 84 |
$path |
| 85 |
} |
| 86 |
|
| 87 |
# the original (read-only) location |
| 88 |
sub load_path { |
| 89 |
my ($self) = @_; |
| 90 |
|
| 91 |
sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
| 92 |
} |
| 93 |
|
| 94 |
# the temporary/swap location |
| 95 |
sub save_path { |
| 96 |
my ($self) = @_; |
| 97 |
|
| 98 |
$self->{user_rel} |
| 99 |
? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->escaped_path |
| 100 |
: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->escaped_path |
| 101 |
} |
| 102 |
|
| 103 |
# the unique path, might be eq to save_path |
| 104 |
sub uniq_path { |
| 105 |
my ($self) = @_; |
| 106 |
|
| 107 |
$self->{user_rel} |
| 108 |
? undef |
| 109 |
: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->escaped_path |
| 110 |
} |
| 111 |
} |
| 112 |
|
| 113 |
sub write_runtime { |
| 114 |
my $runtime = cf::localdir . "/runtime"; |
| 115 |
|
| 116 |
my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
| 117 |
or return; |
| 118 |
|
| 119 |
my $value = $cf::RUNTIME; |
| 120 |
(aio_write $fh, 0, (length $value), $value, 0) <= 0 |
| 121 |
and return; |
| 122 |
|
| 123 |
aio_fsync $fh |
| 124 |
and return; |
| 125 |
|
| 126 |
close $fh |
| 127 |
or return; |
| 128 |
|
| 129 |
aio_rename "$runtime~", $runtime |
| 130 |
and return; |
| 131 |
|
| 132 |
1 |
| 133 |
} |
| 134 |
|
| 135 |
(Coro::unblock_sub { |
| 136 |
unless (write_runtime) { |
| 137 |
warn "unable to write runtime file: $!"; |
| 138 |
exit 1; |
| 139 |
} |
| 140 |
})->(); |
| 141 |
|
| 142 |
our $SCHEDULER = cf::coro { |
| 143 |
while () { |
| 144 |
Coro::Timer::sleep $SCHEDULE_INTERVAL; |
| 145 |
|
| 146 |
write_runtime |
| 147 |
or warn "unable to write runtime file: $!"; |
| 148 |
|
| 149 |
for my $map (values %cf::MAP) { |
| 150 |
eval { |
| 151 |
next if $map->in_memory != cf::MAP_IN_MEMORY; |
| 152 |
my $last_access = $map->last_access; |
| 153 |
# not yet, because maps might become visible to players nearby |
| 154 |
# we need a tiled meta map for this to work |
| 155 |
# if ($last_access + $DEACTIVATE_TIMEOUT <= $cf::RUNTIME) { |
| 156 |
# $map->deactivate; |
| 157 |
# delete $map->{active}; |
| 158 |
# } |
| 159 |
if ($map->should_reset) { |
| 160 |
$map->reset; |
| 161 |
} elsif ($last_access + $SWAP_TIMEOUT <= $cf::RUNTIME) { |
| 162 |
$map->swap_out; |
| 163 |
Coro::Timer::sleep $SAVE_INTERVAL; |
| 164 |
} elsif ($map->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) { |
| 165 |
$map->save; |
| 166 |
Coro::Timer::sleep $SAVE_INTERVAL; |
| 167 |
} |
| 168 |
}; |
| 169 |
warn $@ if $@; |
| 170 |
cede; |
| 171 |
} |
| 172 |
} |
| 173 |
}; |
| 174 |
$SCHEDULER->prio (-2); |
| 175 |
|
| 176 |
sub sync_job(&) { |
| 177 |
my ($job) = @_; |
| 178 |
|
| 179 |
my $done; |
| 180 |
my @res; |
| 181 |
|
| 182 |
Carp::confess "nested sync_job" if $cf::FREEZE; |
| 183 |
|
| 184 |
local $cf::FREEZE = 1; |
| 185 |
|
| 186 |
(async { |
| 187 |
@res = eval { $job->() }; |
| 188 |
warn $@ if $@; |
| 189 |
$done = 1; |
| 190 |
})->prio (Coro::PRIO_MAX); |
| 191 |
|
| 192 |
while (!$done) { |
| 193 |
Coro::cede_notself; |
| 194 |
Event::one_event unless Coro::nready; |
| 195 |
} |
| 196 |
|
| 197 |
wantarray ? @res : $res[0] |
| 198 |
} |
| 199 |
|
| 200 |
# and all this just because we cannot iterate over |
| 201 |
# all maps in C++... |
| 202 |
sub cf::map::change_all_map_light { |
| 203 |
my ($change) = @_; |
| 204 |
|
| 205 |
$_->change_map_light ($change) for values %cf::MAP; |
| 206 |
} |
| 207 |
|
| 208 |
sub try_load_header($) { |
| 209 |
my ($path) = @_; |
| 210 |
|
| 211 |
utf8::encode $path; |
| 212 |
aio_open $path, O_RDONLY, 0 |
| 213 |
or return; |
| 214 |
|
| 215 |
my $map = cf::map::new |
| 216 |
or return; |
| 217 |
|
| 218 |
$map->load_header ($path) |
| 219 |
or return; |
| 220 |
|
| 221 |
$map->reset_time (0) if $map->reset_time > $cf::RUNTIME; |
| 222 |
$map->reset_timeout (10);#d# |
| 223 |
|
| 224 |
$map->{load_path} = $path; |
| 225 |
|
| 226 |
$map |
| 227 |
} |
| 228 |
|
| 229 |
sub cf::map::find_map_nb { |
| 230 |
my ($path, $origin) = @_; |
| 231 |
|
| 232 |
warn "find_map_nb<$path,$origin>\n";#d# |
| 233 |
|
| 234 |
$path = ref $path ? $path : new cf::path $path, $origin && $origin->path; |
| 235 |
my $key = $path->as_string; |
| 236 |
|
| 237 |
$cf::MAP{$key} || do { |
| 238 |
# do it the slow way |
| 239 |
my $map = try_load_header $path->save_path; |
| 240 |
|
| 241 |
if (!$map) { |
| 242 |
$map = try_load_header $path->load_path |
| 243 |
or return; |
| 244 |
} |
| 245 |
|
| 246 |
$map or return; |
| 247 |
|
| 248 |
$map->instantiate; |
| 249 |
$map->path ($key); |
| 250 |
$map->{path} = $path; |
| 251 |
|
| 252 |
$map->per_player (0) if $path->{user_rel}; |
| 253 |
|
| 254 |
$map->reset if $map->should_reset; |
| 255 |
|
| 256 |
$cf::MAP{$key} = $map |
| 257 |
} |
| 258 |
} |
| 259 |
|
| 260 |
sub cf::map::find_map { |
| 261 |
my ($path, $origin) = @_; |
| 262 |
|
| 263 |
$path = new cf::path $path, $origin && $origin->path; |
| 264 |
my $key = $path->as_string; |
| 265 |
|
| 266 |
warn "find_map<$path,$origin>\n";#d# |
| 267 |
|
| 268 |
$cf::MAP{$key} || sync_job { |
| 269 |
cf::map::find_map_nb $path; |
| 270 |
} |
| 271 |
} |
| 272 |
|
| 273 |
sub cf::map::do_load_nb { |
| 274 |
my ($self) = @_; |
| 275 |
|
| 276 |
return 0 unless $self->in_memory == cf::MAP_SWAPPED; |
| 277 |
|
| 278 |
$self->in_memory (cf::MAP_LOADING); |
| 279 |
|
| 280 |
my $path = $self->{path}; |
| 281 |
|
| 282 |
$self->alloc; |
| 283 |
$self->load_objects ($self->{load_path}, 1) |
| 284 |
or return; |
| 285 |
|
| 286 |
if (my $uniq = $path->uniq_path) { |
| 287 |
utf8::encode $uniq; |
| 288 |
if (aio_open $uniq, O_RDONLY, 0) { |
| 289 |
$self->clear_unique_items; |
| 290 |
$self->load_objects ($uniq, 0); |
| 291 |
} |
| 292 |
} |
| 293 |
|
| 294 |
# now do the right thing for maps |
| 295 |
$self->link_multipart_objects; |
| 296 |
$self->fix_auto_apply; |
| 297 |
$self->decay_objects; |
| 298 |
$self->update_buttons; |
| 299 |
$self->set_darkness_map; |
| 300 |
$self->difficulty ($self->estimate_difficulty) |
| 301 |
unless $self->difficulty; |
| 302 |
|
| 303 |
$self->in_memory (cf::MAP_IN_MEMORY); |
| 304 |
} |
| 305 |
|
| 306 |
sub cf::map::do_load { |
| 307 |
my ($self) = @_; |
| 308 |
|
| 309 |
warn "do_load<$self>\n";#d# |
| 310 |
|
| 311 |
sync_job { |
| 312 |
cf::map::do_load_nb $self; |
| 313 |
}; |
| 314 |
} |
| 315 |
|
| 316 |
sub cf::map::save { |
| 317 |
my ($self) = @_; |
| 318 |
|
| 319 |
warn "saving map ", $self->path; |
| 320 |
|
| 321 |
my $save = $self->{path}->save_path; utf8::encode $save; |
| 322 |
my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; |
| 323 |
|
| 324 |
if ($uniq) { |
| 325 |
$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); |
| 326 |
$self->save_objects ($uniq, cf::IO_UNIQUES); |
| 327 |
} else { |
| 328 |
$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); |
| 329 |
} |
| 330 |
|
| 331 |
$self->{load_path} = $save; |
| 332 |
$self->{last_save} = $cf::RUNTIME; |
| 333 |
} |
| 334 |
|
| 335 |
sub cf::map::swap_out { |
| 336 |
my ($self) = @_; |
| 337 |
|
| 338 |
$self->save if $self->in_memory == cf::MAP_IN_MEMORY; |
| 339 |
$self->clear; |
| 340 |
$self->in_memory (cf::MAP_SWAPPED); |
| 341 |
} |
| 342 |
|
| 343 |
sub cf::map::should_reset { |
| 344 |
my ($map) = @_; |
| 345 |
|
| 346 |
# TODO: safety, remove and allow resettable per-player maps |
| 347 |
return if $map->{path}{user_rel};#d# |
| 348 |
return if $map->per_player; |
| 349 |
return unless $map->reset_timeout; |
| 350 |
|
| 351 |
my $time = $map->fixed_resettime ? $map->reset_time : $map->last_access; |
| 352 |
|
| 353 |
$time + $map->reset_timeout < $cf::RUNTIME |
| 354 |
} |
| 355 |
|
| 356 |
sub cf::map::reset { |
| 357 |
my ($self) = @_; |
| 358 |
|
| 359 |
return if $self->players; |
| 360 |
return if $self->{path}{user_rel};#d# |
| 361 |
|
| 362 |
warn "resetting map ", $self->path;#d# |
| 363 |
|
| 364 |
utf8::encode (my $save = $self->{path}->save_path); |
| 365 |
aioreq_pri 3; IO::AIO::aio_unlink $save; |
| 366 |
aioreq_pri 3; IO::AIO::aio_unlink "$save.pst"; |
| 367 |
|
| 368 |
$self->clear; |
| 369 |
$self->in_memory (cf::MAP_SWAPPED); |
| 370 |
utf8::encode ($self->{load_path} = $self->{path}->load_path); |
| 371 |
} |
| 372 |
|
| 373 |
sub cf::object::player::enter_exit { |
| 374 |
my ($ob, $exit) = @_; |
| 375 |
|
| 376 |
sync_job { |
| 377 |
my ($map, $x, $y); |
| 378 |
|
| 379 |
if ($exit) { |
| 380 |
my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; |
| 381 |
|
| 382 |
$map = cf::map::find_map_nb $path->as_string; |
| 383 |
$map = $map->customise_for ($ob) if $map; |
| 384 |
($x, $y) = ($exit->stats->hp, $exit->stats->sp); |
| 385 |
} else { |
| 386 |
# used on login only(?) |
| 387 |
$map = cf::map::find_map_nb $ob->contr->maplevel; |
| 388 |
($x, $y) = ($ob->x, $ob->y); |
| 389 |
|
| 390 |
unless ($map) { |
| 391 |
$map = cf::map::find_map_nb $emergency_position->[0] |
| 392 |
or die "FATAL: cannot load emergency map\n"; |
| 393 |
$x = $emergency_position->[1]; |
| 394 |
$y = $emergency_position->[2]; |
| 395 |
} |
| 396 |
} |
| 397 |
|
| 398 |
if ($map) { |
| 399 |
warn "entering ", $map->path, " at ($x, $y)\n";#d# |
| 400 |
$map->do_load_nb; |
| 401 |
$ob->enter_map ($map, $x, $y); |
| 402 |
} else { |
| 403 |
$ob->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
| 404 |
} |
| 405 |
} |
| 406 |
} |
| 407 |
|
| 408 |
sub cf::map::customise_for { |
| 409 |
my ($map, $ob) = @_; |
| 410 |
|
| 411 |
if ($map->per_player) { |
| 412 |
return cf::map::find_map_nb "~" . $ob->name . "/" . $map->{path}{path}; |
| 413 |
} |
| 414 |
|
| 415 |
$map |
| 416 |
} |
| 417 |
|
| 418 |
sub cf::map::emergency_save { |
| 419 |
local $cf::FREEZE = 1; |
| 420 |
|
| 421 |
warn "begin emergency map save\n"; |
| 422 |
$_->save for values %cf::MAP; |
| 423 |
warn "emergency map save drain\n"; |
| 424 |
|
| 425 |
Event::one_event while IO::AIO::nreqs; |
| 426 |
warn "end emergency map save\n"; |
| 427 |
} |
| 428 |
|
