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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
25use BDB ();
20use Data::Dumper; 26use Data::Dumper;
21use Digest::MD5; 27use Digest::MD5;
22use Fcntl; 28use Fcntl;
29use YAML::Syck ();
23use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 31use Time::HiRes;
32use Compress::LZF;
26 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 41
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
33 44
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 46
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48
36our %COMMAND = (); 49our %COMMAND = ();
37our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
51
52our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 53our %EXTCMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps
39 56
57our $RELOAD; # number of reloads so far
40our @EVENT; 58our @EVENT;
41our $LIBDIR = datadir . "/ext";
42 59
43our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44our $TICK_WATCHER; 73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 76our $NEXT_TICK;
46our $NOW; 77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off
79
80our $BDB_POLL_WATCHER;
81our $DB_ENV;
47 82
48our %CFG; 83our %CFG;
49 84
50our $UPTIME; $UPTIME ||= time; 85our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 86our $RUNTIME;
52 87
53our %PLAYER; # all users 88our %PLAYER; # all users
54our %MAP; # all maps 89our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 90our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 91
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 92# used to convert map paths into valid unix filenames by replacing / by ∕
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
61 98
62binmode STDOUT; 99binmode STDOUT;
63binmode STDERR; 100binmode STDERR;
64 101
65# read virtual server time, if available 102# read virtual server time, if available
66unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
68 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
69 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
70} 107}
71 108
72mkdir cf::localdir; 109mkdir $_
73mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS;
77 111
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
113
114sub cf::map::normalise;
81 115
82############################################################################# 116#############################################################################
83 117
84=head2 GLOBAL VARIABLES 118=head2 GLOBAL VARIABLES
85 119
… …
92=item $cf::RUNTIME 126=item $cf::RUNTIME
93 127
94The time this server has run, starts at 0 and is increased by $cf::TICK on 128The time this server has run, starts at 0 and is increased by $cf::TICK on
95every server tick. 129every server tick.
96 130
97=item $cf::LIBDIR 131=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98 134
99The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
100be found. It will be added to C<@INC> automatically. 136directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137unique-items directory, player file directory, random maps directory and
138database environment.
101 139
102=item $cf::NOW 140=item $cf::NOW
103 141
104The time of the last (current) server tick. 142The time of the last (current) server tick.
105 143
106=item $cf::TICK 144=item $cf::TICK
107 145
108The interval between server ticks, in seconds. 146The interval between server ticks, in seconds.
147
148=item $cf::LOADAVG
149
150The current CPU load on the server (alpha-smoothed), as a value between 0
151(none) and 1 (overloaded), indicating how much time is spent on processing
152objects per tick. Healthy values are < 0.5.
153
154=item $cf::LOAD
155
156The raw value load value from the last tick.
109 157
110=item %cf::CFG 158=item %cf::CFG
111 159
112Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
113from wherever your confdir points to. 161from wherever your confdir points to.
114 162
115=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
116 164
117These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 166returns directly I<after> the tick processing (and consequently, can only wake one process
119processing has been done. Call C<< ->wait >> on them to maximise the 167per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120window of cpu time available, or simply to synchronise to the server tick.
121 168
122=back 169=back
123 170
124=cut 171=cut
125 172
126BEGIN { 173BEGIN {
127 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
128 my $msg = join "", @_; 175 my $msg = join "", @_;
129 utf8::encode $msg;
130 176
131 $msg .= "\n" 177 $msg .= "\n"
132 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
133 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
134 LOG llevError, $msg; 183 LOG llevError, $msg;
135 }; 184 };
136} 185}
137 186
138@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
192@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 193@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144 194
145# we bless all objects into (empty) derived classes to force a method lookup 195# we bless all objects into (empty) derived classes to force a method lookup
146# within the Safe compartment. 196# within the Safe compartment.
147for my $pkg (qw( 197for my $pkg (qw(
148 cf::global cf::attachable 198 cf::global cf::attachable
… …
156} 206}
157 207
158$Event::DIED = sub { 208$Event::DIED = sub {
159 warn "error in event callback: @_"; 209 warn "error in event callback: @_";
160}; 210};
161
162my %ext_pkg;
163my @exts;
164my @hook;
165 211
166=head2 UTILITY FUNCTIONS 212=head2 UTILITY FUNCTIONS
167 213
168=over 4 214=over 4
169 215
… …
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 235 $d
190 } || "[unable to dump $_[0]: '$@']"; 236 } || "[unable to dump $_[0]: '$@']";
191} 237}
192 238
193use JSON::Syck (); # TODO# replace by JSON::PC once working 239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194 240
195=item $ref = cf::from_json $json 241=item $ref = cf::from_json $json
196 242
197Converts a JSON string into the corresponding perl data structure. 243Converts a JSON string into the corresponding perl data structure.
198 244
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 245=item $json = cf::to_json $ref
207 246
208Converts a perl data structure into its JSON representation. 247Converts a perl data structure into its JSON representation.
209
210=cut
211
212sub to_json($) {
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214 JSON::Syck::Dump $_[0]
215}
216 248
217=item cf::lock_wait $string 249=item cf::lock_wait $string
218 250
219Wait until the given lock is available. See cf::lock_acquire. 251Wait until the given lock is available. See cf::lock_acquire.
220 252
… …
226returned. 258returned.
227 259
228Lock names should begin with a unique identifier (for example, cf::map::find 260Lock names should begin with a unique identifier (for example, cf::map::find
229uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
230 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
231=cut 267=cut
232 268
233our %LOCK; 269our %LOCK;
234 270
235sub lock_wait($) { 271sub lock_wait($) {
… …
254 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
256 } 292 }
257} 293}
258 294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
299}
300
259sub freeze_mainloop { 301sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
261 303
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 304 my $guard = Coro::guard {
305 $TICK_WATCHER->start;
306 };
263 $TICK_WATCHER->stop; 307 $TICK_WATCHER->stop;
264 $guard 308 $guard
265} 309}
266 310
267=item cf::async { BLOCK } 311=item cf::async { BLOCK }
… …
289 333
290sub sync_job(&) { 334sub sync_job(&) {
291 my ($job) = @_; 335 my ($job) = @_;
292 336
293 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
294 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
296 342
297 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
298 # (but this is cancel-safe) 344 # (but this is cancel-safe)
… …
309 355
310 while ($busy) { 356 while ($busy) {
311 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
312 } 358 }
313 359
360 $time = Event::time - $time;
361
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load
366
314 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
315 } else { 368 } else {
316 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
317 370
318 $job->() 371 $job->()
319 } 372 }
320} 373}
321 374
322=item $coro = cf::async_ext { BLOCK } 375=item $coro = cf::async_ext { BLOCK }
323 376
324Like async, but this coro is automcatially being canceled when the 377Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 378extension calling this is being unloaded.
326 379
327=cut 380=cut
328 381
329sub async_ext(&) { 382sub async_ext(&) {
… …
338 391
339 $coro 392 $coro
340} 393}
341 394
342sub write_runtime { 395sub write_runtime {
343 my $runtime = cf::localdir . "/runtime"; 396 my $runtime = "$LOCALDIR/runtime";
397
398 # first touch the runtime file to show we are still running:
399 # the fsync below can take a very very long time.
400
401 IO::AIO::aio_utime $runtime, undef, undef;
402
403 my $guard = cf::lock_acquire "write_runtime";
344 404
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346 or return; 406 or return;
347 407
408 my $value = $cf::RUNTIME + 90 + 10;
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 409 # 10 is the runtime save interval, for a monotonic clock
410 # 60 allows for the watchdog to kill the server.
411
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0 412 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return; 413 and return;
351 414
415 # always fsync - this file is important
352 aio_fsync $fh 416 aio_fsync $fh
353 and return; 417 and return;
354 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
355 close $fh 422 close $fh
356 or return; 423 or return;
357 424
358 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
359 and return; 426 and return;
360 427
428 warn "runtime file written.\n";
429
361 1 430 1
362} 431}
363 432
433=item cf::datalog type => key => value, ...
434
435Log a datalog packet of the given type with the given key-value pairs.
436
437=cut
438
439sub datalog($@) {
440 my ($type, %kv) = @_;
441 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442}
443
364=back 444=back
365 445
366=cut 446=cut
367
368#############################################################################
369
370package cf::path;
371
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494 447
495############################################################################# 448#############################################################################
496 449
497=head2 ATTACHABLE OBJECTS 450=head2 ATTACHABLE OBJECTS
498 451
… …
624our @CB_TYPE = (); # registry for type (cf-object class) based events 577our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 578our @CB_MAP = ();
626 579
627my %attachment; 580my %attachment;
628 581
582sub cf::attachable::thawer_merge {
583 # simply override everything except _meta
584 local $_[0]{_meta};
585 %{$_[0]} = %{$_[1]};
586}
587
629sub _attach_cb($$$$) { 588sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 589 my ($registry, $event, $prio, $cb) = @_;
631 590
632 use sort 'stable'; 591 use sort 'stable';
633 592
… …
667 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
668 627
669 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
670 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
671 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
672 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673 632
674 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
675 my $pkg = shift @arg; 634 my $pkg = shift @arg;
676 635
677 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
… …
718 if (ref $_[0]) { 677 if (ref $_[0]) {
719 _object_attach @_; 678 _object_attach @_;
720 } else { 679 } else {
721 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
722 } 681 }
682 _recalc_want;
723}; 683};
724 684
725# all those should be optimised 685# all those should be optimised
726sub cf::attachable::detach { 686sub cf::attachable::detach {
727 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
… …
730 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
731 reattach ($obj); 691 reattach ($obj);
732 } else { 692 } else {
733 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
734 } 694 }
695 _recalc_want;
735}; 696};
736 697
737sub cf::attachable::attached { 698sub cf::attachable::attached {
738 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
739 700
… …
804# object support 765# object support
805 766
806sub reattach { 767sub reattach {
807 # basically do the same as instantiate, without calling instantiate 768 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 769 my ($obj) = @_;
770
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 772
810 my $registry = $obj->registry; 773 my $registry = $obj->registry;
811 774
812 @$registry = (); 775 @$registry = ();
813 776
… …
860 $filename, length $$rdata, scalar @$objs; 823 $filename, length $$rdata, scalar @$objs;
861 824
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 826 chmod SAVE_MODE, $fh;
864 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 827 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865 aio_fsync $fh; 828 aio_fsync $fh if $cf::USE_FSYNC;
866 close $fh; 829 close $fh;
867 830
868 if (@$objs) { 831 if (@$objs) {
869 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870 chmod SAVE_MODE, $fh; 833 chmod SAVE_MODE, $fh;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 834 my $data = Storable::nfreeze { version => 1, objs => $objs };
872 aio_write $fh, 0, (length $data), $data, 0; 835 aio_write $fh, 0, (length $data), $data, 0;
873 aio_fsync $fh; 836 aio_fsync $fh if $cf::USE_FSYNC;
874 close $fh; 837 close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 838 aio_rename "$filename.pst~", "$filename.pst";
876 } 839 }
877 } else { 840 } else {
878 aio_unlink "$filename.pst"; 841 aio_unlink "$filename.pst";
… …
910 or return; 873 or return;
911 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
912 } 875 }
913 876
914 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
915 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
916 return ($data, $av); 879 return ($data, $av);
917} 880}
918 881
919############################################################################# 882#############################################################################
920# command handling &c 883# command handling &c
… …
945=cut 908=cut
946 909
947sub register_extcmd { 910sub register_extcmd {
948 my ($name, $cb) = @_; 911 my ($name, $cb) = @_;
949 912
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 913 $EXTCMD{$name} = $cb;
954} 914}
955 915
956cf::player->attach ( 916cf::player->attach (
957 on_command => sub { 917 on_command => sub {
958 my ($pl, $name, $params) = @_; 918 my ($pl, $name, $params) = @_;
… …
971 931
972 my $msg = eval { from_json $buf }; 932 my $msg = eval { from_json $buf };
973 933
974 if (ref $msg) { 934 if (ref $msg) {
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 935 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 936 if (my %reply = $cb->($pl, $msg)) {
977 $pl->ext_reply ($msg->{msgid}, %reply); 937 $pl->ext_reply ($msg->{msgid}, %reply);
978 } 938 }
979 } 939 }
980 } else { 940 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
983 943
984 cf::override; 944 cf::override;
985 }, 945 },
986); 946);
987 947
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension {
995 my ($path) = @_;
996
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1;
999 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg";
1002
1003 warn "loading '$path' into '$pkg'\n";
1004
1005 open my $fh, "<:utf8", $path
1006 or die "$path: $!";
1007
1008 my $source =
1009 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> })
1012 . "\n};\n1";
1013
1014 eval $source
1015 or die $@ ? "$path: $@\n"
1016 : "extension disabled.\n";
1017
1018 push @exts, $pkg;
1019 $ext_pkg{$base} = $pkg;
1020
1021# no strict 'refs';
1022# @{"$pkg\::ISA"} = ext::;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# }
1037
1038 # remove commands
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 }
1047 }
1048
1049 # remove extcmds
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062}
1063
1064sub load_extensions { 948sub load_extensions {
949 cf::sync_job {
950 my %todo;
951
1065 for my $ext (<$LIBDIR/*.ext>) { 952 for my $path (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 953 next unless -r $path;
1067 eval { 954
1068 load_extension $ext; 955 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
956 my $base = $1;
957 my $pkg = $1;
958 $pkg =~ s/[^[:word:]]/_/g;
959 $pkg = "ext::$pkg";
960
961 open my $fh, "<:utf8", $path
962 or die "$path: $!";
963
964 my $source = do { local $/; <$fh> };
965
966 my %ext = (
967 path => $path,
968 base => $base,
969 pkg => $pkg,
970 );
971
972 $ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }
973 if $source =~ /^#!.*?perl.*?#\s*(.*)$/;
974
975 $ext{source} =
976 "package $pkg; use strict; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n"
978 . $source
979 . "\n};\n1";
980
981 $todo{$base} = \%ext;
982 }
983
984 my %done;
985 while (%todo) {
986 my $progress;
987
988 while (my ($k, $v) = each %todo) {
989 for (split /,\s*/, $ext{meta}{depends}) {
990 goto skip
991 unless exists $done{$_};
992 }
993
994 warn "... loading '$k' into '$v->{pkg}'\n";
995
996 unless (eval $v->{source}) {
997 my $msg = $@ ? "$v->{path}: $@\n"
998 : "extension disabled.\n";
999
1000 if (exists $v->{meta}{mandatory}) {
1001 warn $msg;
1002 warn "mandatory extension failed to load, exiting.\n";
1003 exit 1;
1004 }
1005
1006 die $msg;
1007 }
1008
1009 $done{$k} = delete $todo{$k};
1010 push @EXTS, $v->{pkg};
1069 1 1011 }
1070 } or warn "$ext not loaded: $@"; 1012
1013 skip:
1014 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015 unless $progress;
1016 }
1071 } 1017 };
1072} 1018}
1073 1019
1074############################################################################# 1020#############################################################################
1075# load/save/clean perl data associated with a map
1076
1077*cf::mapsupport::on_clean = sub {
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 1021
1090=head2 CORE EXTENSIONS 1022=head2 CORE EXTENSIONS
1091 1023
1092Functions and methods that extend core crossfire objects. 1024Functions and methods that extend core crossfire objects.
1093 1025
… …
1106Returns the given player object, loading it if necessary (might block). 1038Returns the given player object, loading it if necessary (might block).
1107 1039
1108=cut 1040=cut
1109 1041
1110sub playerdir($) { 1042sub playerdir($) {
1111 cf::localdir 1043 "$PLAYERDIR/"
1112 . "/"
1113 . cf::playerdir
1114 . "/"
1115 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1044 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1116} 1045}
1117 1046
1118sub path($) { 1047sub path($) {
1119 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1048 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120 1049
1121 (playerdir $login) . "/$login.pl" 1050 (playerdir $login) . "/playerdata"
1122} 1051}
1123 1052
1124sub find_active($) { 1053sub find_active($) {
1125 $cf::PLAYER{$_[0]} 1054 $cf::PLAYER{$_[0]}
1126 and $cf::PLAYER{$_[0]}->active 1055 and $cf::PLAYER{$_[0]}->active
… …
1129 1058
1130sub exists($) { 1059sub exists($) {
1131 my ($login) = @_; 1060 my ($login) = @_;
1132 1061
1133 $cf::PLAYER{$login} 1062 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 1063 or cf::sync_job { !aio_stat path $login }
1135} 1064}
1136 1065
1137sub find($) { 1066sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 1067 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 1068 my $login = $_[0];
1140 1069
1141 my $guard = cf::lock_acquire "user_find:$login"; 1070 my $guard = cf::lock_acquire "user_find:$login";
1142 1071
1143 $cf::PLAYER{$_[0]} || do { 1072 $cf::PLAYER{$_[0]} || do {
1073 # rename old playerfiles to new ones
1074 #TODO: remove when no longer required
1075 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078 aio_unlink +(playerdir $login) . "/$login.pl";
1079
1144 my $pl = load_pl path $login 1080 my $pl = load_pl path $login
1145 or return; 1081 or return;
1146 $cf::PLAYER{$login} = $pl 1082 $cf::PLAYER{$login} = $pl
1147 } 1083 }
1148 } 1084 }
… …
1185 1121
1186=cut 1122=cut
1187 1123
1188sub quit_character { 1124sub quit_character {
1189 my ($pl) = @_; 1125 my ($pl) = @_;
1126
1127 my $name = $pl->ob->name;
1190 1128
1191 $pl->{deny_save} = 1; 1129 $pl->{deny_save} = 1;
1192 $pl->password ("*"); # this should lock out the player until we nuked the dir 1130 $pl->password ("*"); # this should lock out the player until we nuked the dir
1193 1131
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1132 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1199 my $path = playerdir $pl; 1137 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1138 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1139 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1140 delete $cf::PLAYER{$pl->ob->name};
1203 $pl->destroy; 1141 $pl->destroy;
1142
1143 my $prefix = qr<^~\Q$name\E/>;
1144
1145 # nuke player maps
1146 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1147
1204 IO::AIO::aio_rmtree $temp; 1148 IO::AIO::aio_rmtree $temp;
1149}
1150
1151=item $pl->kick
1152
1153Kicks a player out of the game. This destroys the connection.
1154
1155=cut
1156
1157sub kick {
1158 my ($pl, $kicker) = @_;
1159
1160 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1161 $pl->killer ("kicked");
1162 $pl->ns->destroy;
1205} 1163}
1206 1164
1207=item cf::player::list_logins 1165=item cf::player::list_logins
1208 1166
1209Returns am arrayref of all valid playernames in the system, can take a 1167Returns am arrayref of all valid playernames in the system, can take a
1210while and may block, so not sync_job-capable, ever. 1168while and may block, so not sync_job-capable, ever.
1211 1169
1212=cut 1170=cut
1213 1171
1214sub list_logins { 1172sub list_logins {
1215 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1173 my $dirs = aio_readdir $PLAYERDIR
1216 or return []; 1174 or return [];
1217 1175
1218 my @logins; 1176 my @logins;
1219 1177
1220 for my $login (@$dirs) { 1178 for my $login (@$dirs) {
… …
1229 \@logins 1187 \@logins
1230} 1188}
1231 1189
1232=item $player->maps 1190=item $player->maps
1233 1191
1234Returns an arrayref of cf::path's of all maps that are private for this 1192Returns an arrayref of map paths that are private for this
1235player. May block. 1193player. May block.
1236 1194
1237=cut 1195=cut
1238 1196
1239sub maps($) { 1197sub maps($) {
1240 my ($pl) = @_; 1198 my ($pl) = @_;
1199
1200 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1201
1242 my $files = aio_readdir playerdir $pl 1202 my $files = aio_readdir playerdir $pl
1243 or return; 1203 or return;
1244 1204
1245 my @paths; 1205 my @paths;
… …
1247 for (@$files) { 1207 for (@$files) {
1248 utf8::decode $_; 1208 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1209 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1210 next unless /^$PATH_SEP/o;
1251 1211
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1212 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1213 }
1254 1214
1255 \@paths 1215 \@paths
1256} 1216}
1257 1217
1258=item $player->ext_reply ($msgid, $msgtype, %msg) 1218=item $player->ext_reply ($msgid, %msg)
1259 1219
1260Sends an ext reply to the player. 1220Sends an ext reply to the player.
1261 1221
1262=cut 1222=cut
1263 1223
1264sub ext_reply($$$%) { 1224sub ext_reply($$%) {
1265 my ($self, $id, %msg) = @_; 1225 my ($self, $id, %msg) = @_;
1266 1226
1267 $msg{msgid} = $id; 1227 $msg{msgid} = $id;
1268 1228
1269 $self->send ("ext " . cf::to_json \%msg); 1229 $self->send ("ext " . cf::to_json \%msg);
1270} 1230}
1271 1231
1272package cf; 1232=item $player->ext_event ($type, %msg)
1233
1234Sends an ext event to the client.
1235
1236=cut
1237
1238sub ext_event($$%) {
1239 my ($self, $type, %msg) = @_;
1240
1241 $self->ns->ext_event ($type, %msg);
1242}
1243
1244=head3 cf::region
1245
1246=over 4
1247
1248=cut
1249
1250package cf::region;
1251
1252=item cf::region::find_by_path $path
1253
1254Tries to decuce the probable region for a map knowing only its path.
1255
1256=cut
1257
1258sub find_by_path($) {
1259 my ($path) = @_;
1260
1261 my ($match, $specificity);
1262
1263 for my $region (list) {
1264 if ($region->match && $path =~ $region->match) {
1265 ($match, $specificity) = ($region, $region->specificity)
1266 if $region->specificity > $specificity;
1267 }
1268 }
1269
1270 $match
1271}
1273 1272
1274=back 1273=back
1275
1276 1274
1277=head3 cf::map 1275=head3 cf::map
1278 1276
1279=over 4 1277=over 4
1280 1278
… …
1283package cf::map; 1281package cf::map;
1284 1282
1285use Fcntl; 1283use Fcntl;
1286use Coro::AIO; 1284use Coro::AIO;
1287 1285
1286use overload
1287 '""' => \&as_string,
1288 fallback => 1;
1289
1288our $MAX_RESET = 3600; 1290our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1291our $DEFAULT_RESET = 3000;
1290 1292
1291sub generate_random_map { 1293sub generate_random_map {
1292 my ($path, $rmp) = @_; 1294 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1295 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1296 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1300 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1301 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1307 (cf::region::find $rmp->{region}), $rmp->{custom}
1308 )
1309}
1310
1311=item cf::map->register ($regex, $prio)
1312
1313Register a handler for the map path matching the given regex at the
1314givne priority (higher is better, built-in handlers have priority 0, the
1315default).
1316
1317=cut
1318
1319sub register {
1320 my (undef, $regex, $prio) = @_;
1321 my $pkg = caller;
1322
1323 no strict;
1324 push @{"$pkg\::ISA"}, __PACKAGE__;
1325
1326 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327}
1328
1329# also paths starting with '/'
1330$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1331
1332sub thawer_merge {
1333 my ($self, $merge) = @_;
1334
1335 # we have to keep some variables in memory intact
1336 local $self->{path};
1337 local $self->{load_path};
1338
1339 $self->SUPER::thawer_merge ($merge);
1340}
1341
1342sub normalise {
1343 my ($path, $base) = @_;
1344
1345 $path = "$path"; # make sure its a string
1346
1347 $path =~ s/\.map$//;
1348
1349 # map plan:
1350 #
1351 # /! non-realised random map exit (special hack!)
1352 # {... are special paths that are not being touched
1353 # ?xxx/... are special absolute paths
1354 # ?random/... random maps
1355 # /... normal maps
1356 # ~user/... per-player map of a specific user
1357
1358 $path =~ s/$PATH_SEP/\//go;
1359
1360 # treat it as relative path if it starts with
1361 # something that looks reasonable
1362 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1363 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1364
1365 $base =~ s{[^/]+/?$}{};
1366 $path = "$base/$path";
1367 }
1368
1369 for ($path) {
1370 redo if s{//}{/};
1371 redo if s{/\.?/}{/};
1372 redo if s{/[^/]+/\.\./}{/};
1373 }
1374
1375 $path
1376}
1377
1378sub new_from_path {
1379 my (undef, $path, $base) = @_;
1380
1381 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1382
1383 $path = normalise $path, $base;
1384
1385 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1386 if ($path =~ $EXT_MAP{$pkg}[1]) {
1387 my $self = bless cf::map::new, $pkg;
1388 $self->{path} = $path; $self->path ($path);
1389 $self->init; # pass $1 etc.
1390 return $self;
1391 }
1392 }
1393
1394 Carp::carp "unable to resolve path '$path' (base '$base').";
1395 ()
1396}
1397
1398sub init {
1399 my ($self) = @_;
1400
1401 $self
1402}
1403
1404sub as_string {
1405 my ($self) = @_;
1406
1407 "$self->{path}"
1408}
1409
1410# the displayed name, this is a one way mapping
1411sub visible_name {
1412 &as_string
1413}
1414
1415# the original (read-only) location
1416sub load_path {
1417 my ($self) = @_;
1418
1419 "$MAPDIR/$self->{path}.map"
1420}
1421
1422# the temporary/swap location
1423sub save_path {
1424 my ($self) = @_;
1425
1426 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1427 "$TMPDIR/$path.map"
1428}
1429
1430# the unique path, undef == no special unique path
1431sub uniq_path {
1432 my ($self) = @_;
1433
1434 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1435 "$UNIQUEDIR/$path"
1308} 1436}
1309 1437
1310# and all this just because we cannot iterate over 1438# and all this just because we cannot iterate over
1311# all maps in C++... 1439# all maps in C++...
1312sub change_all_map_light { 1440sub change_all_map_light {
… …
1314 1442
1315 $_->change_map_light ($change) 1443 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1444 for grep $_->outdoor, values %cf::MAP;
1317} 1445}
1318 1446
1447sub decay_objects {
1448 my ($self) = @_;
1449
1450 return if $self->{deny_reset};
1451
1452 $self->do_decay_objects;
1453}
1454
1455sub unlink_save {
1456 my ($self) = @_;
1457
1458 utf8::encode (my $save = $self->save_path);
1459 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1460 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1461}
1462
1319sub try_load_header($) { 1463sub load_header_from($) {
1320 my ($path) = @_; 1464 my ($self, $path) = @_;
1321 1465
1322 utf8::encode $path; 1466 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1467 #aio_open $path, O_RDONLY, 0
1468 # or return;
1469
1470 $self->_load_header ($path)
1324 or return; 1471 or return;
1325 1472
1326 my $map = cf::map::new 1473 $self->{load_path} = $path;
1474
1475 1
1476}
1477
1478sub load_header_orig {
1479 my ($self) = @_;
1480
1481 $self->load_header_from ($self->load_path)
1482}
1483
1484sub load_header_temp {
1485 my ($self) = @_;
1486
1487 $self->load_header_from ($self->save_path)
1488}
1489
1490sub prepare_temp {
1491 my ($self) = @_;
1492
1493 $self->last_access ((delete $self->{last_access})
1494 || $cf::RUNTIME); #d#
1495 # safety
1496 $self->{instantiate_time} = $cf::RUNTIME
1497 if $self->{instantiate_time} > $cf::RUNTIME;
1498}
1499
1500sub prepare_orig {
1501 my ($self) = @_;
1502
1503 $self->{load_original} = 1;
1504 $self->{instantiate_time} = $cf::RUNTIME;
1505 $self->last_access ($cf::RUNTIME);
1506 $self->instantiate;
1507}
1508
1509sub load_header {
1510 my ($self) = @_;
1511
1512 if ($self->load_header_temp) {
1513 $self->prepare_temp;
1514 } else {
1515 $self->load_header_orig
1327 or return; 1516 or return;
1517 $self->prepare_orig;
1518 }
1328 1519
1329 # for better error messages only, will be overwritten 1520 $self->{deny_reset} = 1
1330 $map->path ($path); 1521 if $self->no_reset;
1331 1522
1332 $map->load_header ($path) 1523 $self->default_region (cf::region::find_by_path $self->{path})
1333 or return; 1524 unless $self->default_region;
1334 1525
1335 $map->{load_path} = $path; 1526 1
1336
1337 $map
1338} 1527}
1339 1528
1340sub find; 1529sub find;
1341sub find { 1530sub find {
1342 my ($path, $origin) = @_; 1531 my ($path, $origin) = @_;
1343 1532
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1533 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1534
1349 cf::lock_wait "map_find:$key"; 1535 cf::lock_wait "map_find:$path";
1350 1536
1351 $cf::MAP{$key} || do { 1537 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1538 my $guard = cf::lock_acquire "map_find:$path";
1353 1539 my $map = new_from_path cf::map $path
1354 # do it the slow way
1355 my $map = try_load_header $path->save_path;
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 1540 or return;
1373 1541
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 1542 $map->{last_save} = $cf::RUNTIME;
1386 1543
1387 Coro::cede; 1544 $map->load_header
1545 or return;
1388 1546
1389 if ($map->should_reset) { 1547 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548 # doing this can freeze the server in a sync job, obviously
1549 #$cf::WAIT_FOR_TICK->wait;
1390 $map->reset; 1550 $map->reset;
1391 undef $guard; 1551 undef $guard;
1392 $map = find $path 1552 return find $path;
1393 or return;
1394 } 1553 }
1395 1554
1396 $cf::MAP{$key} = $map 1555 $cf::MAP{$path} = $map
1397 } 1556 }
1398} 1557}
1558
1559sub pre_load { }
1560sub post_load { }
1399 1561
1400sub load { 1562sub load {
1401 my ($self) = @_; 1563 my ($self) = @_;
1402 1564
1565 local $self->{deny_reset} = 1; # loading can take a long time
1566
1403 my $path = $self->{path}; 1567 my $path = $self->{path};
1568
1569 {
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1570 my $guard = cf::lock_acquire "map_load:$path";
1405 1571
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1572 return if $self->in_memory != cf::MAP_SWAPPED;
1407 1573
1408 $self->in_memory (cf::MAP_LOADING); 1574 $self->in_memory (cf::MAP_LOADING);
1409 1575
1410 $self->alloc; 1576 $self->alloc;
1577
1578 $self->pre_load;
1579 Coro::cede;
1580
1411 $self->load_objects ($self->{load_path}, 1) 1581 $self->_load_objects ($self->{load_path}, 1)
1412 or return; 1582 or return;
1413 1583
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1584 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 1585 if delete $self->{load_original};
1416 1586
1417 if (my $uniq = $path->uniq_path) { 1587 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 1588 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 1589 if (aio_open $uniq, O_RDONLY, 0) {
1420 $self->clear_unique_items; 1590 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 1591 $self->_load_objects ($uniq, 0);
1422 } 1592 }
1423 } 1593 }
1424 1594
1425 Coro::cede; 1595 Coro::cede;
1426
1427 # now do the right thing for maps 1596 # now do the right thing for maps
1428 $self->link_multipart_objects; 1597 $self->link_multipart_objects;
1429
1430 if ($self->{path}->is_style_map) {
1431 $self->{deny_save} = 1;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons;
1437 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 1598 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 1599 unless $self->difficulty;
1600 Coro::cede;
1601
1602 unless ($self->{deny_activate}) {
1603 $self->decay_objects;
1604 $self->fix_auto_apply;
1605 $self->update_buttons;
1606 Coro::cede;
1607 $self->set_darkness_map;
1608 Coro::cede;
1440 $self->activate; 1609 $self->activate;
1441 } 1610 }
1442 1611
1443 Coro::cede;
1444
1445 $self->in_memory (cf::MAP_IN_MEMORY); 1612 $self->in_memory (cf::MAP_IN_MEMORY);
1613 }
1614
1615 $self->post_load;
1616}
1617
1618sub customise_for {
1619 my ($self, $ob) = @_;
1620
1621 return find "~" . $ob->name . "/" . $self->{path}
1622 if $self->per_player;
1623
1624# return find "?party/" . $ob->name . "/" . $self->{path}
1625# if $self->per_party;
1626
1627 $self
1446} 1628}
1447 1629
1448# find and load all maps in the 3x3 area around a map 1630# find and load all maps in the 3x3 area around a map
1449sub load_diag { 1631sub load_diag {
1450 my ($map) = @_; 1632 my ($map) = @_;
… …
1480 1662
1481 cf::sync_job { $map->load }; 1663 cf::sync_job { $map->load };
1482} 1664}
1483 1665
1484our %MAP_PREFETCH; 1666our %MAP_PREFETCH;
1485our $MAP_PREFETCHER = Coro::async { 1667our $MAP_PREFETCHER = undef;
1486 while () {
1487 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH
1489 or next;
1490 my $path = delete $MAP_PREFETCH{$key};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 }
1496 Coro::schedule;
1497 }
1498};
1499 1668
1500sub find_async { 1669sub find_async {
1501 my ($path, $origin) = @_; 1670 my ($path, $origin) = @_;
1502 1671
1503 $path = new cf::path $path, $origin && $origin->path; 1672 $path = normalise $path, $origin && $origin->{path};
1504 my $key = $path->as_string;
1505 1673
1506 if (my $map = $cf::MAP{$key}) { 1674 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1675 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1676 }
1509 1677
1510 $MAP_PREFETCH{$key} = $path; 1678 undef $MAP_PREFETCH{$path};
1679 $MAP_PREFETCHER ||= cf::async {
1680 while (%MAP_PREFETCH) {
1681 for my $path (keys %MAP_PREFETCH) {
1682 my $map = find $path
1683 or next;
1684 $map->load;
1685
1686 delete $MAP_PREFETCH{$path};
1687 }
1688 }
1689 undef $MAP_PREFETCHER;
1690 };
1511 $MAP_PREFETCHER->ready; 1691 $MAP_PREFETCHER->prio (6);
1512 1692
1513 () 1693 ()
1514} 1694}
1515 1695
1516sub save { 1696sub save {
… …
1520 1700
1521 $self->{last_save} = $cf::RUNTIME; 1701 $self->{last_save} = $cf::RUNTIME;
1522 1702
1523 return unless $self->dirty; 1703 return unless $self->dirty;
1524 1704
1525 my $save = $self->{path}->save_path; utf8::encode $save; 1705 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1706 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 1707
1528 $self->{load_path} = $save; 1708 $self->{load_path} = $save;
1529 1709
1530 return if $self->{deny_save}; 1710 return if $self->{deny_save};
1531 1711
… …
1534 cf::async { 1714 cf::async {
1535 $_->contr->save for $self->players; 1715 $_->contr->save for $self->players;
1536 }; 1716 };
1537 1717
1538 if ($uniq) { 1718 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1719 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 1720 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 1721 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1722 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 1723 }
1544} 1724}
1545 1725
1546sub swap_out { 1726sub swap_out {
1547 my ($self) = @_; 1727 my ($self) = @_;
… …
1561 1741
1562sub reset_at { 1742sub reset_at {
1563 my ($self) = @_; 1743 my ($self) = @_;
1564 1744
1565 # TODO: safety, remove and allow resettable per-player maps 1745 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel};
1567 return 1e99 if $self->{deny_reset}; 1746 return 1e99 if $self->{deny_reset};
1568 1747
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1748 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1749 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 1750
… …
1576 my ($self) = @_; 1755 my ($self) = @_;
1577 1756
1578 $self->reset_at <= $cf::RUNTIME 1757 $self->reset_at <= $cf::RUNTIME
1579} 1758}
1580 1759
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 1760sub reset {
1603 my ($self) = @_; 1761 my ($self) = @_;
1604 1762
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 1763 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1764
1607 return if $self->players; 1765 return if $self->players;
1608 return if $self->{path}{user_rel};#d#
1609 1766
1610 warn "resetting map ", $self->path;#d# 1767 warn "resetting map ", $self->path;
1768
1769 $self->in_memory (cf::MAP_SWAPPED);
1770
1771 # need to save uniques path
1772 unless ($self->{deny_save}) {
1773 my $uniq = $self->uniq_path; utf8::encode $uniq;
1774
1775 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1776 if $uniq;
1777 }
1611 1778
1612 delete $cf::MAP{$self->path}; 1779 delete $cf::MAP{$self->path};
1780
1781 $self->clear;
1613 1782
1614 $_->clear_links_to ($self) for values %cf::MAP; 1783 $_->clear_links_to ($self) for values %cf::MAP;
1615 1784
1616 $self->unlink_save; 1785 $self->unlink_save;
1617 $self->destroy; 1786 $self->destroy;
… …
1620my $nuke_counter = "aaaa"; 1789my $nuke_counter = "aaaa";
1621 1790
1622sub nuke { 1791sub nuke {
1623 my ($self) = @_; 1792 my ($self) = @_;
1624 1793
1794 delete $cf::MAP{$self->path};
1795
1796 $self->unlink_save;
1797
1798 bless $self, "cf::map";
1799 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 1800 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 1801 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 1802 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803
1804 $cf::MAP{$self->path} = $self;
1805
1628 $self->reset; # polite request, might not happen 1806 $self->reset; # polite request, might not happen
1629} 1807}
1630 1808
1631sub customise_for { 1809=item $maps = cf::map::tmp_maps
1632 my ($map, $ob) = @_;
1633 1810
1634 if ($map->per_player) { 1811Returns an arrayref with all map paths of currently instantiated and saved
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1812maps. May block.
1813
1814=cut
1815
1816sub tmp_maps() {
1636 } 1817 [
1818 map {
1819 utf8::decode $_;
1820 /\.map$/
1821 ? normalise $_
1822 : ()
1823 } @{ aio_readdir $TMPDIR or [] }
1824 ]
1825}
1637 1826
1638 $map 1827=item $maps = cf::map::random_maps
1828
1829Returns an arrayref with all map paths of currently instantiated and saved
1830random maps. May block.
1831
1832=cut
1833
1834sub random_maps() {
1835 [
1836 map {
1837 utf8::decode $_;
1838 /\.map$/
1839 ? normalise "?random/$_"
1840 : ()
1841 } @{ aio_readdir $RANDOMDIR or [] }
1842 ]
1639} 1843}
1640 1844
1641=item cf::map::unique_maps 1845=item cf::map::unique_maps
1642 1846
1643Returns an arrayref of cf::path's of all shared maps that have 1847Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 1848instantiated unique items. May block.
1645 1849
1646=cut 1850=cut
1647 1851
1648sub unique_maps() { 1852sub unique_maps() {
1649 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1853 [
1650 or return; 1854 map {
1651
1652 my @paths;
1653
1654 for (@$files) {
1655 utf8::decode $_; 1855 utf8::decode $_;
1656 next if /\.pst$/; 1856 /\.map$/
1657 next unless /^$PATH_SEP/o; 1857 ? normalise $_
1658 1858 : ()
1659 push @paths, new cf::path $_; 1859 } @{ aio_readdir $UNIQUEDIR or [] }
1660 } 1860 ]
1661
1662 \@paths
1663} 1861}
1664 1862
1665package cf; 1863package cf;
1666 1864
1667=back 1865=back
… …
1739 1937
1740=item $player_object->enter_link 1938=item $player_object->enter_link
1741 1939
1742Freezes the player and moves him/her to a special map (C<{link}>). 1940Freezes the player and moves him/her to a special map (C<{link}>).
1743 1941
1744The player should be reaosnably safe there for short amounts of time. You 1942The player should be reasonably safe there for short amounts of time. You
1745I<MUST> call C<leave_link> as soon as possible, though. 1943I<MUST> call C<leave_link> as soon as possible, though.
1746 1944
1945Will never block.
1946
1747=item $player_object->leave_link ($map, $x, $y) 1947=item $player_object->leave_link ($map, $x, $y)
1748 1948
1749Moves the player out of the specila link map onto the given map. If the 1949Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 1950map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 1951to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 1952fails, to the emergency map position.
1753 1953
1754Might block. 1954Might block.
1755 1955
1756=cut 1956=cut
1957
1958sub link_map {
1959 unless ($LINK_MAP) {
1960 $LINK_MAP = cf::map::find "{link}"
1961 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1962 $LINK_MAP->load;
1963 }
1964
1965 $LINK_MAP
1966}
1757 1967
1758sub cf::object::player::enter_link { 1968sub cf::object::player::enter_link {
1759 my ($self) = @_; 1969 my ($self) = @_;
1760 1970
1761 $self->deactivate_recursive; 1971 $self->deactivate_recursive;
1762 1972
1763 return if $self->map == $LINK_MAP; 1973 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 1974
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1975 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 1976 if $self->map && $self->map->{path} ne "{link}";
1767 1977
1768 $self->enter_map ($LINK_MAP, 20, 20); 1978 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 1979}
1770 1980
1771sub cf::object::player::leave_link { 1981sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 1982 my ($self, $map, $x, $y) = @_;
1983
1984 return unless $self->contr->active;
1773 1985
1774 my $link_pos = delete $self->{_link_pos}; 1986 my $link_pos = delete $self->{_link_pos};
1775 1987
1776 unless ($map) { 1988 unless ($map) {
1777 # restore original map position 1989 # restore original map position
… …
1795 $map->load; 2007 $map->load;
1796 $map->load_diag; 2008 $map->load_diag;
1797 2009
1798 return unless $self->contr->active; 2010 return unless $self->contr->active;
1799 $self->activate_recursive; 2011 $self->activate_recursive;
2012
2013 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800 $self->enter_map ($map, $x, $y); 2014 $self->enter_map ($map, $x, $y);
1801} 2015}
1802 2016
1803cf::player->attach (
1804 on_logout => sub {
1805 my ($pl) = @_;
1806
1807 # abort map switching before logout
1808 if ($pl->ob->{_link_pos}) {
1809 cf::sync_job {
1810 $pl->ob->leave_link
1811 };
1812 }
1813 },
1814 on_login => sub {
1815 my ($pl) = @_;
1816
1817 # try to abort aborted map switching on player login :)
1818 # should happen only on crashes
1819 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link;
1821 (async {
1822 # we need this sleep as the login has a concurrent enter_exit running
1823 # and this sleep increases chances of the player not ending up in scorn
1824 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED);
1828 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link;
1830 })->prio (2);
1831 }
1832 },
1833);
1834
1835=item $player_object->goto ($path, $x, $y) 2017=item $player_object->goto ($path, $x, $y[, $check->($map)])
1836 2018
2019Moves the player to the given map-path and coordinates by first freezing
2020her, loading and preparing them map, calling the provided $check callback
2021that has to return the map if sucecssful, and then unfreezes the player on
2022the new (success) or old (failed) map position.
2023
1837=cut 2024=cut
2025
2026our $GOTOGEN;
1838 2027
1839sub cf::object::player::goto { 2028sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 2029 my ($self, $path, $x, $y, $check) = @_;
1841 2030
1842 $path = new cf::path $path; 2031 # do generation counting so two concurrent goto's will be executed in-order
2032 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843 2033
1844 $self->enter_link; 2034 $self->enter_link;
1845 2035
1846 (async { 2036 (async {
2037 my $map = eval {
1847 my $map = cf::map::find $path->as_string; 2038 my $map = cf::map::find $path;
2039
2040 if ($map) {
1848 $map = $map->customise_for ($self) if $map; 2041 $map = $map->customise_for ($self);
1849 2042 $map = $check->($map) if $check && $map;
1850# warn "entering ", $map->path, " at ($x, $y)\n" 2043 } else {
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2044 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2045 }
1854 2046
2047 $map
2048 };
2049
2050 if ($@) {
2051 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2052 LOG llevError | logBacktrace, Carp::longmess $@;
2053 }
2054
2055 if ($gen == $self->{_goto_generation}) {
2056 delete $self->{_goto_generation};
1855 $self->leave_link ($map, $x, $y); 2057 $self->leave_link ($map, $x, $y);
2058 }
1856 })->prio (1); 2059 })->prio (1);
1857} 2060}
1858 2061
1859=item $player_object->enter_exit ($exit_object) 2062=item $player_object->enter_exit ($exit_object)
1860 2063
… …
1862 2065
1863sub parse_random_map_params { 2066sub parse_random_map_params {
1864 my ($spec) = @_; 2067 my ($spec) = @_;
1865 2068
1866 my $rmp = { # defaults 2069 my $rmp = { # defaults
1867 xsize => 10, 2070 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 2071 ysize => (cf::rndm 15, 40),
2072 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2073 #layout => string,
1869 }; 2074 };
1870 2075
1871 for (split /\n/, $spec) { 2076 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 2077 my ($k, $v) = split /\s+/, $_, 2;
1873 2078
… …
1877 $rmp 2082 $rmp
1878} 2083}
1879 2084
1880sub prepare_random_map { 2085sub prepare_random_map {
1881 my ($exit) = @_; 2086 my ($exit) = @_;
2087
2088 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 2089
1883 # all this does is basically replace the /! path by 2090 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 2091 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 2092 # that depends on the exit object
1886 2093
1887 my $rmp = parse_random_map_params $exit->msg; 2094 my $rmp = parse_random_map_params $exit->msg;
1888 2095
1889 if ($exit->map) { 2096 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 2097 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 2098 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 2099 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 2100 $rmp->{origin_y} = $exit->y;
1894 } 2101 }
1895 2102
1896 $rmp->{random_seed} ||= $exit->random_seed; 2103 $rmp->{random_seed} ||= $exit->random_seed;
1897 2104
1898 my $data = cf::to_json $rmp; 2105 my $data = cf::to_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 2106 my $md5 = Digest::MD5::md5_hex $data;
2107 my $meta = "$RANDOMDIR/$md5.meta";
1900 2108
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2109 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 2110 aio_write $fh, 0, (length $data), $data, 0;
2111 undef $fh;
2112 aio_rename "$meta~", $meta;
1903 2113
1904 $exit->slaying ("?random/$md5"); 2114 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 2115 $exit->msg (undef);
1906 } 2116 }
1907} 2117}
1908 2118
1909sub cf::object::player::enter_exit { 2119sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 2120 my ($self, $exit) = @_;
1911 2121
1912 return unless $self->type == cf::PLAYER; 2122 return unless $self->type == cf::PLAYER;
2123
2124 if ($exit->slaying eq "/!") {
2125 #TODO: this should de-fi-ni-te-ly not be a sync-job
2126 # the problem is that $exit might not survive long enough
2127 # so it needs to be done right now, right here
2128 cf::sync_job { prepare_random_map $exit };
2129 }
2130
2131 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132 my $hp = $exit->stats->hp;
2133 my $sp = $exit->stats->sp;
1913 2134
1914 $self->enter_link; 2135 $self->enter_link;
1915 2136
1916 (async { 2137 (async {
1917 $self->deactivate_recursive; # just to be sure 2138 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 2139 unless (eval {
1919 prepare_random_map $exit 2140 $self->goto ($slaying, $hp, $sp);
1920 if $exit->slaying eq "/!";
1921
1922 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924 2141
1925 1; 2142 1;
1926 }) { 2143 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 2144 $self->message ("Something went wrong deep within the crossfire server. "
1928 . "I'll try to bring you back to the map you were before. " 2145 . "I'll try to bring you back to the map you were before. "
1929 . "Please report this to the dungeon master!", 2146 . "Please report this to the dungeon master!",
1930 cf::NDI_UNIQUE | cf::NDI_RED); 2147 cf::NDI_UNIQUE | cf::NDI_RED);
1931 2148
1932 warn "ERROR in enter_exit: $@"; 2149 warn "ERROR in enter_exit: $@";
1933 $self->leave_link; 2150 $self->leave_link;
1934 } 2151 }
1935 })->prio (1); 2152 })->prio (1);
… …
1948 2165
1949sub cf::client::send_drawinfo { 2166sub cf::client::send_drawinfo {
1950 my ($self, $text, $flags) = @_; 2167 my ($self, $text, $flags) = @_;
1951 2168
1952 utf8::encode $text; 2169 utf8::encode $text;
1953 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2170 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954} 2171}
1955 2172
2173=item $client->ext_event ($type, %msg)
2174
2175Sends an exti event to the client.
2176
2177=cut
2178
2179sub cf::client::ext_event($$%) {
2180 my ($self, $type, %msg) = @_;
2181
2182 $msg{msgtype} = "event_$type";
2183 $self->send_packet ("ext " . cf::to_json \%msg);
2184}
1956 2185
1957=item $success = $client->query ($flags, "text", \&cb) 2186=item $success = $client->query ($flags, "text", \&cb)
1958 2187
1959Queues a query to the client, calling the given callback with 2188Queues a query to the client, calling the given callback with
1960the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2189the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
… …
1989 # get handled first 2218 # get handled first
1990 my $queue = delete $ns->{query_queue} 2219 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 2220 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 2221
1993 (shift @$queue)->[1]->($msg); 2222 (shift @$queue)->[1]->($msg);
2223 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 2224
1995 push @{ $ns->{query_queue} }, @$queue; 2225 push @{ $ns->{query_queue} }, @$queue;
1996 2226
1997 if (@{ $ns->{query_queue} } == @$queue) { 2227 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 2228 if (@$queue) {
… …
2056 2286
2057# here we export the classes and methods available to script code 2287# here we export the classes and methods available to script code
2058 2288
2059=pod 2289=pod
2060 2290
2061The following fucntions and emthods are available within a safe environment: 2291The following functions and methods are available within a safe environment:
2062 2292
2063 cf::object contr pay_amount pay_player map 2293 cf::object contr pay_amount pay_player map
2064 cf::object::player player 2294 cf::object::player player
2065 cf::player peaceful 2295 cf::player peaceful
2066 cf::map trigger 2296 cf::map trigger
… …
2151############################################################################# 2381#############################################################################
2152 2382
2153=head2 EXTENSION DATABASE SUPPORT 2383=head2 EXTENSION DATABASE SUPPORT
2154 2384
2155Crossfire maintains a very simple database for extension use. It can 2385Crossfire maintains a very simple database for extension use. It can
2156currently store anything that can be serialised using Storable, which 2386currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2157excludes objects. 2387convert to/from binary).
2158 2388
2159The parameter C<$family> should best start with the name of the extension 2389The parameter C<$family> should best start with the name of the extension
2160using it, it should be unique. 2390using it, it should be unique.
2161 2391
2162=over 4 2392=over 4
2163 2393
2164=item $hashref = cf::db_get $family
2165
2166Return a hashref for use by the extension C<$family>, which can be
2167modified. After modifications, you have to call C<cf::db_dirty> or
2168C<cf::db_sync>.
2169
2170=item $value = cf::db_get $family => $key 2394=item $value = cf::db_get $family => $key
2171 2395
2172Returns a single value from the database 2396Returns a single value from the database.
2173
2174=item cf::db_put $family => $hashref
2175
2176Stores the given family hashref into the database. Updates are delayed, if
2177you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178 2397
2179=item cf::db_put $family => $key => $value 2398=item cf::db_put $family => $key => $value
2180 2399
2181Stores the given C<$value> in the family hash. Updates are delayed, if you 2400Stores the given C<$value> in the family.
2182want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184=item cf::db_dirty
2185
2186Marks the database as dirty, to be updated at a later time.
2187
2188=item cf::db_sync
2189
2190Immediately write the database to disk I<if it is dirty>.
2191 2401
2192=cut 2402=cut
2193 2403
2194our $DB; 2404our $DB;
2195 2405
2196{ 2406sub db_init {
2197 my $path = cf::localdir . "/database.pst"; 2407 unless ($DB) {
2408 $DB = BDB::db_create $DB_ENV;
2198 2409
2199 sub db_load() { 2410 cf::sync_job {
2200 $DB = stat $path ? Storable::retrieve $path : { }; 2411 eval {
2201 } 2412 $DB->set_flags (BDB::CHKSUM);
2202 2413
2203 my $pid; 2414 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2204 2415 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2205 sub db_save() { 2416 cf::cleanup "db_open(db): $!" if $!;
2206 waitpid $pid, 0 if $pid; 2417 };
2207 if (0 == ($pid = fork)) { 2418 cf::cleanup "db_open(db): $@" if $@;
2208 $DB->{_meta}{version} = 1;
2209 Storable::nstore $DB, "$path~";
2210 rename "$path~", $path;
2211 cf::_exit 0 if defined $pid;
2212 } 2419 };
2213 }
2214
2215 my $dirty;
2216
2217 sub db_sync() {
2218 db_save if $dirty;
2219 undef $dirty;
2220 }
2221
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223 db_sync;
2224 }); 2420 }
2421}
2225 2422
2226 sub db_dirty() {
2227 $dirty = 1;
2228 $idle->start;
2229 }
2230
2231 sub db_get($;$) { 2423sub db_get($$) {
2232 @_ >= 2 2424 my $key = "$_[0]/$_[1]";
2233 ? $DB->{$_[0]}{$_[1]}
2234 : ($DB->{$_[0]} ||= { })
2235 }
2236 2425
2426 cf::sync_job {
2427 BDB::db_get $DB, undef, $key, my $data;
2428
2429 $! ? ()
2430 : $data
2431 }
2432}
2433
2237 sub db_put($$;$) { 2434sub db_put($$$) {
2238 if (@_ >= 3) { 2435 BDB::dbreq_pri 4;
2239 $DB->{$_[0]}{$_[1]} = $_[2]; 2436 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2240 } else { 2437}
2241 $DB->{$_[0]} = $_[1];
2242 }
2243 db_dirty;
2244 }
2245 2438
2246 cf::global->attach ( 2439=item cf::cache $id => [$paths...], $processversion => $process
2247 prio => 10000, 2440
2248 on_cleanup => sub { 2441Generic caching function that returns the value of the resource $id,
2249 db_sync; 2442caching and regenerating as required.
2443
2444This function can block.
2445
2446=cut
2447
2448sub cache {
2449 my ($id, $src, $processversion, $process) = @_;
2450
2451 my $meta =
2452 join "\x00",
2453 $processversion,
2454 map {
2455 aio_stat $_
2456 and Carp::croak "$_: $!";
2457
2458 ($_, (stat _)[7,9])
2459 } @$src;
2460
2461 my $dbmeta = db_get cache => "$id/meta";
2462 if ($dbmeta ne $meta) {
2463 # changed, we may need to process
2464
2465 my @data;
2466 my $md5;
2467
2468 for (0 .. $#$src) {
2469 0 <= aio_load $src->[$_], $data[$_]
2470 or Carp::croak "$src->[$_]: $!";
2250 }, 2471 }
2251 ); 2472
2473 # if processing is expensive, check
2474 # checksum first
2475 if (1) {
2476 $md5 =
2477 join "\x00",
2478 $processversion,
2479 map {
2480 Coro::cede;
2481 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2482 } 0.. $#$src;
2483
2484
2485 my $dbmd5 = db_get cache => "$id/md5";
2486 if ($dbmd5 eq $md5) {
2487 db_put cache => "$id/meta", $meta;
2488
2489 return db_get cache => "$id/data";
2490 }
2491 }
2492
2493 my $t1 = Time::HiRes::time;
2494 my $data = $process->(\@data);
2495 my $t2 = Time::HiRes::time;
2496
2497 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499 db_put cache => "$id/data", $data;
2500 db_put cache => "$id/md5" , $md5;
2501 db_put cache => "$id/meta", $meta;
2502
2503 return $data;
2504 }
2505
2506 db_get cache => "$id/data"
2507}
2508
2509=item fork_call { }, $args
2510
2511Executes the given code block with the given arguments in a seperate
2512process, returning the results. Everything must be serialisable with
2513Coro::Storable. May, of course, block. Note that the executed sub may
2514never block itself or use any form of Event handling.
2515
2516=cut
2517
2518sub fork_call(&@) {
2519 my ($cb, @args) = @_;
2520
2521# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522# or die "socketpair: $!";
2523 pipe my $fh1, my $fh2
2524 or die "pipe: $!";
2525
2526 if (my $pid = fork) {
2527 close $fh2;
2528
2529 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530 $res = Coro::Storable::thaw $res;
2531
2532 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534 die $$res unless "ARRAY" eq ref $res;
2535
2536 return wantarray ? @$res : $res->[-1];
2537 } else {
2538 reset_signals;
2539 local $SIG{__WARN__};
2540 local $SIG{__DIE__};
2541 eval {
2542 close $fh1;
2543
2544 my @res = eval { $cb->(@args) };
2545 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546 };
2547
2548 warn $@ if $@;
2549 _exit 0;
2550 }
2252} 2551}
2253 2552
2254############################################################################# 2553#############################################################################
2255# the server's main() 2554# the server's init and main functions
2555
2556sub load_facedata($) {
2557 my ($path) = @_;
2558
2559 warn "loading facedata from $path\n";
2560
2561 my $facedata;
2562 0 < aio_load $path, $facedata
2563 or die "$path: $!";
2564
2565 $facedata = Coro::Storable::thaw $facedata;
2566
2567 $facedata->{version} == 2
2568 or cf::cleanup "$path: version mismatch, cannot proceed.";
2569
2570 {
2571 my $faces = $facedata->{faceinfo};
2572
2573 while (my ($face, $info) = each %$faces) {
2574 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2576 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2577 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2578 Coro::cede;
2579 }
2580
2581 while (my ($face, $info) = each %$faces) {
2582 next unless $info->{smooth};
2583 my $idx = cf::face::find $face
2584 or next;
2585 if (my $smooth = cf::face::find $info->{smooth}) {
2586 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2587 } else {
2588 warn "smooth face '$info->{smooth}' not found for face '$face'";
2589 }
2590 Coro::cede;
2591 }
2592 }
2593
2594 {
2595 my $anims = $facedata->{animinfo};
2596
2597 while (my ($anim, $info) = each %$anims) {
2598 cf::anim::set $anim, $info->{frames}, $info->{facings};
2599 Coro::cede;
2600 }
2601
2602 cf::anim::invalidate_all; # d'oh
2603 }
2604
2605 1
2606}
2607
2608sub reload_regions {
2609 load_resource_file "$MAPDIR/regions"
2610 or die "unable to load regions file\n";
2611}
2612
2613sub reload_facedata {
2614 load_facedata "$DATADIR/facedata"
2615 or die "unable to load facedata\n";
2616}
2617
2618sub reload_archetypes {
2619 load_resource_file "$DATADIR/archetypes"
2620 or die "unable to load archetypes\n";
2621}
2622
2623sub reload_treasures {
2624 load_resource_file "$DATADIR/treasures"
2625 or die "unable to load treasurelists\n";
2626}
2627
2628sub reload_resources {
2629 warn "reloading resource files...\n";
2630
2631 reload_regions;
2632 reload_facedata;
2633 #reload_archetypes;#d#
2634 reload_archetypes;
2635 reload_treasures;
2636
2637 warn "finished reloading resource files\n";
2638}
2639
2640sub init {
2641 reload_resources;
2642}
2256 2643
2257sub cfg_load { 2644sub cfg_load {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 2645 open my $fh, "<:utf8", "$CONFDIR/config"
2259 or return; 2646 or return;
2260 2647
2261 local $/; 2648 local $/;
2262 *CFG = YAML::Syck::Load <$fh>; 2649 *CFG = YAML::Syck::Load <$fh>;
2263 2650
… …
2277 2664
2278sub main { 2665sub main {
2279 # we must not ever block the main coroutine 2666 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 2667 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2668 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669 (async {
2282 async { Event::one_event }; 2670 Event::one_event;
2671 })->prio (Coro::PRIO_MAX);
2283 }; 2672 };
2284 2673
2285 cfg_load; 2674 cfg_load;
2286 db_load; 2675 db_init;
2287 load_extensions; 2676 load_extensions;
2677
2678 $TICK_WATCHER->start;
2288 Event::loop; 2679 Event::loop;
2289} 2680}
2290 2681
2291############################################################################# 2682#############################################################################
2292# initialisation and cleanup 2683# initialisation and cleanup
2293 2684
2294# install some emergency cleanup handlers 2685# install some emergency cleanup handlers
2295BEGIN { 2686BEGIN {
2296 for my $signal (qw(INT HUP TERM)) { 2687 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 2688 Event->signal (
2689 reentrant => 0,
2298 data => WF_AUTOCANCEL, 2690 data => WF_AUTOCANCEL,
2299 signal => $signal, 2691 signal => $signal,
2692 prio => 0,
2300 cb => sub { 2693 cb => sub {
2301 cf::cleanup "SIG$signal"; 2694 cf::cleanup "SIG$signal";
2302 }, 2695 },
2303 ); 2696 );
2304 } 2697 }
2305} 2698}
… …
2310 warn "enter emergency perl save\n"; 2703 warn "enter emergency perl save\n";
2311 2704
2312 cf::sync_job { 2705 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 2706 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 2707 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 2708 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 2709 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 2710 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 2711 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 2712 $pl->valid or next;
2320 $pl->save; 2713 $pl->save;
… …
2326 my $map = $cf::MAP{$path} or next; 2719 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 2720 $map->valid or next;
2328 $map->save; 2721 $map->save;
2329 } 2722 }
2330 warn "end emergency map save\n"; 2723 warn "end emergency map save\n";
2724
2725 warn "begin emergency database checkpoint\n";
2726 BDB::db_env_txn_checkpoint $DB_ENV;
2727 warn "end emergency database checkpoint\n";
2331 }; 2728 };
2332 2729
2333 warn "leave emergency perl save\n"; 2730 warn "leave emergency perl save\n";
2334} 2731}
2335 2732
2733sub post_cleanup {
2734 my ($make_core) = @_;
2735
2736 warn Carp::longmess "post_cleanup backtrace"
2737 if $make_core;
2738}
2739
2336sub reload() { 2740sub do_reload_perl() {
2337 # can/must only be called in main 2741 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 2742 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 2743 warn "can only reload from main coroutine";
2340 return; 2744 return;
2341 } 2745 }
2342 2746
2343 warn "reloading..."; 2747 warn "reloading...";
2344 2748
2345 my $guard = freeze_mainloop; 2749 warn "entering sync_job";
2750
2751 cf::sync_job {
2752 cf::write_runtime; # external watchdog should not bark
2346 cf::emergency_save; 2753 cf::emergency_save;
2754 cf::write_runtime; # external watchdog should not bark
2347 2755
2348 eval { 2756 warn "syncing database to disk";
2757 BDB::db_env_txn_checkpoint $DB_ENV;
2758
2349 # if anything goes wrong in here, we should simply crash as we already saved 2759 # if anything goes wrong in here, we should simply crash as we already saved
2350 2760
2351 # cancel all watchers 2761 warn "cancelling all WF_AUTOCANCEL watchers";
2352 for (Event::all_watchers) { 2762 for (Event::all_watchers) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 2763 $_->cancel if $_->data & WF_AUTOCANCEL;
2354 } 2764 }
2355 2765
2766 warn "flushing outstanding aio requests";
2767 for (;;) {
2768 BDB::flush;
2769 IO::AIO::flush;
2770 Coro::cede;
2771 last unless IO::AIO::nreqs || BDB::nreqs;
2772 warn "iterate...";
2773 }
2774
2775 ++$RELOAD;
2776
2356 # cancel all extension coros 2777 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 2778 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 2779 %EXT_CORO = ();
2359 2780
2360 # unload all extensions 2781 warn "removing commands";
2361 for (@exts) { 2782 %COMMAND = ();
2783
2784 warn "removing ext commands";
2785 %EXTCMD = ();
2786
2787 warn "unloading/nuking all extensions";
2788 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 2789 warn "... unloading $pkg";
2363 unload_extension $_; 2790
2791 if (my $cb = $pkg->can ("unload")) {
2792 eval {
2793 $cb->($pkg);
2794 1
2795 } or warn "$pkg unloaded, but with errors: $@";
2364 } 2796 }
2365 2797
2798 warn "... nuking $pkg";
2799 Symbol::delete_package $pkg;
2800 }
2801
2366 # unload all modules loaded from $LIBDIR 2802 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 2803 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2804 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 2805
2370 warn "removing <$k>"; 2806 warn "... unloading $k";
2371 delete $INC{$k}; 2807 delete $INC{$k};
2372 2808
2373 $k =~ s/\.pm$//; 2809 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 2810 $k =~ s/\//::/g;
2375 2811
… …
2378 } 2814 }
2379 2815
2380 Symbol::delete_package $k; 2816 Symbol::delete_package $k;
2381 } 2817 }
2382 2818
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 2819 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 2820 Symbol::delete_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2821 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 2822
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 2823 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 2824 delete $INC{"cf.pm"};
2825 delete $INC{"cf/pod.pm"};
2396 2826
2397 # don't, removes xs symbols, too, 2827 # don't, removes xs symbols, too,
2398 # and global variables created in xs 2828 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 2829 #Symbol::delete_package __PACKAGE__;
2400 2830
2401 # reload cf.pm 2831 warn "unload completed, starting to reload now";
2832
2402 warn "reloading cf.pm"; 2833 warn "reloading cf.pm";
2403 require cf; 2834 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2835 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 2836
2406 # load config and database again 2837 warn "loading config and database again";
2407 cf::cfg_load; 2838 cf::cfg_load;
2408 cf::db_load;
2409 2839
2410 # load extensions
2411 warn "load extensions"; 2840 warn "loading extensions";
2412 cf::load_extensions; 2841 cf::load_extensions;
2413 2842
2414 # reattach attachments to objects 2843 warn "reattaching attachments to objects/players";
2415 warn "reattach"; 2844 _global_reattach; # objects, sockets
2416 _global_reattach; 2845 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 2846 reattach $_ for values %MAP;
2418 }; 2847 warn "reattaching attachments to players";
2848 reattach $_ for values %PLAYER;
2419 2849
2420 if ($@) { 2850 warn "leaving sync_job";
2851
2852 1
2853 } or do {
2421 warn $@; 2854 warn $@;
2422 warn "error while reloading, exiting."; 2855 warn "error while reloading, exiting.";
2423 exit 1; 2856 exit 1;
2424 } 2857 };
2425 2858
2426 warn "reloaded successfully"; 2859 warn "reloaded";
2427}; 2860};
2428 2861
2429############################################################################# 2862our $RELOAD_WATCHER; # used only during reload
2430 2863
2431unless ($LINK_MAP) { 2864sub reload_perl() {
2432 $LINK_MAP = cf::map::new; 2865 # doing reload synchronously and two reloads happen back-to-back,
2866 # coro crashes during coro_state_free->destroy here.
2433 2867
2434 $LINK_MAP->width (41); 2868 $RELOAD_WATCHER ||= Event->timer (
2435 $LINK_MAP->height (41); 2869 reentrant => 0,
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10, 2870 after => 0,
2871 data => WF_AUTOCANCEL,
2444 cb => sub { 2872 cb => sub {
2445 $_[0]->w->cancel; 2873 do_reload_perl;
2446 2874 undef $RELOAD_WATCHER;
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 }); 2875 },
2465 2876 );
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470} 2877}
2471
2472register "<global>", __PACKAGE__;
2473 2878
2474register_command "reload" => sub { 2879register_command "reload" => sub {
2475 my ($who, $arg) = @_; 2880 my ($who, $arg) = @_;
2476 2881
2477 if ($who->flag (FLAG_WIZ)) { 2882 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload.");
2479 reload;
2480 $who->message ("end of reload."); 2883 $who->message ("reloading server.");
2884 async { reload_perl };
2481 } 2885 }
2482}; 2886};
2483 2887
2484unshift @INC, $LIBDIR; 2888unshift @INC, $LIBDIR;
2485 2889
2890my $bug_warning = 0;
2891
2892our @WAIT_FOR_TICK;
2893our @WAIT_FOR_TICK_BEGIN;
2894
2895sub wait_for_tick {
2896 return unless $TICK_WATCHER->is_active;
2897 return if $Coro::current == $Coro::main;
2898
2899 my $signal = new Coro::Signal;
2900 push @WAIT_FOR_TICK, $signal;
2901 $signal->wait;
2902}
2903
2904sub wait_for_tick_begin {
2905 return unless $TICK_WATCHER->is_active;
2906 return if $Coro::current == $Coro::main;
2907
2908 my $signal = new Coro::Signal;
2909 push @WAIT_FOR_TICK_BEGIN, $signal;
2910 $signal->wait;
2911}
2912
2913 my $min = 1e6;#d#
2914 my $avg = 10;
2486$TICK_WATCHER = Event->timer ( 2915$TICK_WATCHER = Event->timer (
2487 reentrant => 0, 2916 reentrant => 0,
2917 parked => 1,
2488 prio => 0, 2918 prio => 0,
2489 at => $NEXT_TICK || $TICK, 2919 at => $NEXT_TICK || $TICK,
2490 data => WF_AUTOCANCEL, 2920 data => WF_AUTOCANCEL,
2491 cb => sub { 2921 cb => sub {
2922 if ($Coro::current != $Coro::main) {
2923 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924 unless ++$bug_warning > 10;
2925 return;
2926 }
2927
2928 $NOW = $tick_start = Event::time;
2929
2492 cf::server_tick; # one server iteration 2930 cf::server_tick; # one server iteration
2931
2932 0 && sync_job {#d#
2933 for(1..10) {
2934 my $t = Event::time;
2935 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936 or die;
2937
2938 $map->width (50);
2939 $map->height (50);
2940 $map->alloc;
2941 $map->_load_objects ("/tmp/x.map", 1);
2942 my $t = Event::time - $t;
2943
2944 #next unless $t < 0.0013;#d#
2945 if ($t < $min) {
2946 $min = $t;
2947 }
2948 $avg = $avg * 0.99 + $t * 0.01;
2949 }
2950 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951 exit 0;
2952 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953 };
2954
2493 $RUNTIME += $TICK; 2955 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 2956 $NEXT_TICK += $TICK;
2495 2957
2496 $WAIT_FOR_TICK->broadcast; 2958 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2959 $NEXT_RUNTIME_WRITE = $NOW + 10;
2960 Coro::async_pool {
2961 write_runtime
2962 or warn "ERROR: unable to write runtime file: $!";
2963 };
2964 }
2965
2966# my $AFTER = Event::time;
2967# warn $AFTER - $NOW;#d#
2968
2969 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970 $sig->send;
2971 }
2972 while (my $sig = shift @WAIT_FOR_TICK) {
2973 $sig->send;
2974 }
2975
2976 $NOW = Event::time;
2498 2977
2499 # if we are delayed by four ticks or more, skip them all 2978 # if we are delayed by four ticks or more, skip them all
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2979 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501 2980
2502 $TICK_WATCHER->at ($NEXT_TICK); 2981 $TICK_WATCHER->at ($NEXT_TICK);
2503 $TICK_WATCHER->start; 2982 $TICK_WATCHER->start;
2983
2984 $LOAD = ($NOW - $tick_start) / $TICK;
2985 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986
2987 _post_tick;
2988
2989
2504 }, 2990 },
2505); 2991);
2506 2992
2993{
2507IO::AIO::max_poll_time $TICK * 0.2; 2994 BDB::max_poll_time $TICK * 0.1;
2508 2995 $BDB_POLL_WATCHER = Event->io (
2509Event->io ( 2996 reentrant => 0,
2510 fd => IO::AIO::poll_fileno, 2997 fd => BDB::poll_fileno,
2511 poll => 'r', 2998 poll => 'r',
2512 prio => 5, 2999 prio => 0,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL, 3000 data => WF_AUTOCANCEL,
2519 after => 0, 3001 cb => \&BDB::poll_cb,
2520 interval => 10, 3002 );
2521 cb => sub { 3003 BDB::min_parallel 8;
2522 (Coro::unblock_sub { 3004
2523 write_runtime 3005 BDB::set_sync_prepare {
2524 or warn "ERROR: unable to write runtime file: $!"; 3006 my $status;
3007 my $current = $Coro::current;
3008 (
3009 sub {
3010 $status = $!;
3011 $current->ready; undef $current;
3012 },
3013 sub {
3014 Coro::schedule while defined $current;
3015 $! = $status;
3016 },
3017 )
3018 };
3019
3020 unless ($DB_ENV) {
3021 $DB_ENV = BDB::db_env_create;
3022
3023 cf::sync_job {
3024 eval {
3025 BDB::db_env_open
3026 $DB_ENV,
3027 $BDBDIR,
3028 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030 0666;
3031
3032 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035 $DB_ENV->set_lk_detect;
3036 };
3037
3038 cf::cleanup "db_env_open(db): $@" if $@;
2525 })->(); 3039 };
2526 }, 3040 }
2527); 3041}
3042
3043{
3044 IO::AIO::min_parallel 8;
3045
3046 undef $Coro::AIO::WATCHER;
3047 IO::AIO::max_poll_time $TICK * 0.1;
3048 $AIO_POLL_WATCHER = Event->io (
3049 reentrant => 0,
3050 data => WF_AUTOCANCEL,
3051 fd => IO::AIO::poll_fileno,
3052 poll => 'r',
3053 prio => 6,
3054 cb => \&IO::AIO::poll_cb,
3055 );
3056}
3057
3058my $_log_backtrace;
3059
3060sub _log_backtrace {
3061 my ($msg, @addr) = @_;
3062
3063 $msg =~ s/\n//;
3064
3065 # limit the # of concurrent backtraces
3066 if ($_log_backtrace < 2) {
3067 ++$_log_backtrace;
3068 async {
3069 my @bt = fork_call {
3070 @addr = map { sprintf "%x", $_ } @addr;
3071 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073 or die "addr2line: $!";
3074
3075 my @funcs;
3076 my @res = <$fh>;
3077 chomp for @res;
3078 while (@res) {
3079 my ($func, $line) = splice @res, 0, 2, ();
3080 push @funcs, "[$func] $line";
3081 }
3082
3083 @funcs
3084 };
3085
3086 LOG llevInfo, "[ABT] $msg\n";
3087 LOG llevInfo, "[ABT] $_\n" for @bt;
3088 --$_log_backtrace;
3089 };
3090 } else {
3091 LOG llevInfo, "[ABT] $msg\n";
3092 LOG llevInfo, "[ABT] [suppressed]\n";
3093 }
3094}
3095
3096# load additional modules
3097use cf::pod;
2528 3098
2529END { cf::emergency_save } 3099END { cf::emergency_save }
2530 3100
25311 31011
2532 3102

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