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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.147 by root, Mon Jan 8 12:23:33 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 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 3.64 ();
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;
24use Coro::Util ();
19 25
26use JSON::XS ();
27use BDB ();
28use Data::Dumper;
20use Digest::MD5; 29use Digest::MD5;
21use Fcntl; 30use Fcntl;
31use YAML::Syck ();
22use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
23use YAML::Syck ();
24use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
25 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
27 44
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
30 47
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 49
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 51
35our %COMMAND = (); 52our %COMMAND = ();
36our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
54
55our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps
38 60
61our $RELOAD; # number of reloads so far
39our @EVENT; 62our @EVENT;
40our $LIBDIR = datadir . "/ext";
41 63
42our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43our $TICK_WATCHER; 77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 80our $NEXT_TICK;
45our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $DB_ENV;
46 86
47our %CFG; 87our %CFG;
48 88
49our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 90our $RUNTIME;
51 91
52our %PLAYER; # all users 92our %PLAYER; # all users
53our %MAP; # all maps 93our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 94our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 95
56our %EXT_CORO; # coroutines bound to extensions 96# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
57 102
58binmode STDOUT; 103binmode STDOUT;
59binmode STDERR; 104binmode STDERR;
60 105
61# read virtual server time, if available 106# read virtual server time, if available
62unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
64 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
65 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
66} 111}
67 112
68mkdir cf::localdir; 113mkdir $_
69mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS;
73 115
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
117
118sub cf::map::normalise;
77 119
78############################################################################# 120#############################################################################
79 121
80=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
81 123
88=item $cf::RUNTIME 130=item $cf::RUNTIME
89 131
90The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
91every server tick. 133every server tick.
92 134
93=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94 138
95The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
96be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
97 143
98=item $cf::NOW 144=item $cf::NOW
99 145
100The time of the last (current) server tick. 146The time of the last (current) server tick.
101 147
102=item $cf::TICK 148=item $cf::TICK
103 149
104The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
105 161
106=item %cf::CFG 162=item %cf::CFG
107 163
108Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 165from wherever your confdir points to.
166
167=item cf::wait_for_tick, cf::wait_for_tick_begin
168
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170returns directly I<after> the tick processing (and consequently, can only wake one process
171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
110 178
111=back 179=back
112 180
113=cut 181=cut
114 182
115BEGIN { 183BEGIN {
116 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
117 my $msg = join "", @_; 185 my $msg = join "", @_;
118 utf8::encode $msg;
119 186
120 $msg .= "\n" 187 $msg .= "\n"
121 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
122 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
123 LOG llevError, $msg; 193 LOG llevError, $msg;
124 }; 194 };
125} 195}
126 196
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 201@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
202@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 203@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133 204
134# we bless all objects into (empty) derived classes to force a method lookup 205# we bless all objects into (empty) derived classes to force a method lookup
135# within the Safe compartment. 206# within the Safe compartment.
136for my $pkg (qw( 207for my $pkg (qw(
137 cf::global cf::attachable 208 cf::global cf::attachable
146 217
147$Event::DIED = sub { 218$Event::DIED = sub {
148 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
149}; 220};
150 221
151my %ext_pkg; 222#############################################################################
152my @exts;
153my @hook;
154 223
155=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
156 225
157=over 4 226=over 4
158 227
159=cut 228=item dumpval $ref
160 229
161use JSON::Syck (); # TODO# replace by JSON::PC once working 230=cut
231
232sub dumpval {
233 eval {
234 local $SIG{__DIE__};
235 my $d;
236 if (1) {
237 $d = new Data::Dumper([$_[0]], ["*var"]);
238 $d->Terse(1);
239 $d->Indent(2);
240 $d->Quotekeys(0);
241 $d->Useqq(1);
242 #$d->Bless(...);
243 $d->Seen($_[1]) if @_ > 1;
244 $d = $d->Dump();
245 }
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d
248 } || "[unable to dump $_[0]: '$@']";
249}
162 250
163=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
164 252
165Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
166 254
167=cut
168
169sub from_json($) {
170 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171 JSON::Syck::Load $_[0]
172}
173
174=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
175 256
176Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
177 258
178=cut 259=cut
179 260
180sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
182 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
183} 264sub from_json ($) { $json_coder->decode ($_[0]) }
184 265
185=item cf::lock_wait $string 266=item cf::lock_wait $string
186 267
187Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
188 269
191Wait until the given lock is available and then acquires it and returns 272Wait until the given lock is available and then acquires it and returns
192a Coro::guard object. If the guard object gets destroyed (goes out of scope, 273a Coro::guard object. If the guard object gets destroyed (goes out of scope,
193for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
194returned. 275returned.
195 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
196Lock names should begin with a unique identifier (for example, cf::map::find 280Lock names should begin with a unique identifier (for example, cf::map::find
197uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
282
283=item $locked = cf::lock_active $string
284
285Return true if the lock is currently active, i.e. somebody has locked it.
198 286
199=cut 287=cut
200 288
201our %LOCK; 289our %LOCK;
202 290
222 # wake up all waiters, to be on the safe side 310 # wake up all waiters, to be on the safe side
223 $_->ready for @{ delete $LOCK{$key} }; 311 $_->ready for @{ delete $LOCK{$key} };
224 } 312 }
225} 313}
226 314
315sub lock_active($) {
316 my ($key) = @_;
317
318 ! ! $LOCK{$key}
319}
320
227sub freeze_mainloop { 321sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 322 return unless $TICK_WATCHER->is_active;
229 323
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 324 my $guard = Coro::guard {
325 $TICK_WATCHER->start;
326 };
231 $TICK_WATCHER->stop; 327 $TICK_WATCHER->stop;
232 $guard 328 $guard
329}
330
331=item cf::get_slot $time[, $priority[, $name]]
332
333Allocate $time seconds of blocking CPU time at priority C<$priority>:
334This call blocks and returns only when you have at least C<$time> seconds
335of cpu time till the next tick. The slot is only valid till the next cede.
336
337The optional C<$name> can be used to identify the job to run. It might be
338used for statistical purposes and should identify the same time-class.
339
340Useful for short background jobs.
341
342=cut
343
344our @SLOT_QUEUE;
345our $SLOT_QUEUE;
346
347$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async {
349 my $signal = new Coro::Signal;
350
351 while () {
352 next_job:
353 my $avail = cf::till_tick;
354 if ($avail > 0.01) {
355 for (0 .. $#SLOT_QUEUE) {
356 if ($SLOT_QUEUE[$_][0] < $avail) {
357 my $job = splice @SLOT_QUEUE, $_, 1, ();
358 $job->[2]->send;
359 Coro::cede;
360 goto next_job;
361 }
362 }
363 }
364
365 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait;
369 } else {
370 Coro::schedule;
371 }
372 }
373};
374
375sub get_slot($;$$) {
376 my ($time, $pri, $name) = @_;
377
378 $time = $TICK * .6 if $time > $TICK * .6;
379 my $sig = new Coro::Signal;
380
381 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383 $SLOT_QUEUE->ready;
384 $sig->wait;
233} 385}
234 386
235=item cf::async { BLOCK } 387=item cf::async { BLOCK }
236 388
237Currently the same as Coro::async_pool, meaning you cannot use 389Currently the same as Coro::async_pool, meaning you cannot use
242 394
243BEGIN { *async = \&Coro::async_pool } 395BEGIN { *async = \&Coro::async_pool }
244 396
245=item cf::sync_job { BLOCK } 397=item cf::sync_job { BLOCK }
246 398
247The design of crossfire+ requires that the main coro ($Coro::main) is 399The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248always able to handle events or runnable, as crossfire+ is only partly 400is always able to handle events or runnable, as Crossfire TRT is only
249reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 401partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402acceptable.
250 403
251If it must be done, put the blocking parts into C<sync_job>. This will run 404If it must be done, put the blocking parts into C<sync_job>. This will run
252the given BLOCK in another coroutine while waiting for the result. The 405the given BLOCK in another coroutine while waiting for the result. The
253server will be frozen during this time, so the block should either finish 406server will be frozen during this time, so the block should either finish
254fast or be very important. 407fast or be very important.
257 410
258sub sync_job(&) { 411sub sync_job(&) {
259 my ($job) = @_; 412 my ($job) = @_;
260 413
261 if ($Coro::current == $Coro::main) { 414 if ($Coro::current == $Coro::main) {
415 my $time = Event::time;
416
262 # this is the main coro, too bad, we have to block 417 # this is the main coro, too bad, we have to block
263 # till the operation succeeds, freezing the server :/ 418 # till the operation succeeds, freezing the server :/
264 419
265 # TODO: use suspend/resume instead 420 # TODO: use suspend/resume instead
266 # (but this is cancel-safe) 421 # (but this is cancel-safe)
277 432
278 while ($busy) { 433 while ($busy) {
279 Coro::cede or Event::one_event; 434 Coro::cede or Event::one_event;
280 } 435 }
281 436
437 $time = Event::time - $time;
438
439 LOG llevError | logBacktrace, Carp::longmess "long sync job"
440 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442 $tick_start += $time; # do not account sync jobs to server load
443
282 wantarray ? @res : $res[0] 444 wantarray ? @res : $res[0]
283 } else { 445 } else {
284 # we are in another coroutine, how wonderful, everything just works 446 # we are in another coroutine, how wonderful, everything just works
285 447
286 $job->() 448 $job->()
287 } 449 }
288} 450}
289 451
290=item $coro = cf::async_ext { BLOCK } 452=item $coro = cf::async_ext { BLOCK }
291 453
292Like async, but this coro is automcatially being canceled when the 454Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 455extension calling this is being unloaded.
294 456
295=cut 457=cut
296 458
297sub async_ext(&) { 459sub async_ext(&) {
305 $EXT_CORO{$coro+0} = $coro; 467 $EXT_CORO{$coro+0} = $coro;
306 468
307 $coro 469 $coro
308} 470}
309 471
310sub write_runtime { 472=item fork_call { }, $args
311 my $runtime = cf::localdir . "/runtime";
312 473
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 474Executes the given code block with the given arguments in a seperate
314 or return; 475process, returning the results. Everything must be serialisable with
476Coro::Storable. May, of course, block. Note that the executed sub may
477never block itself or use any form of Event handling.
315 478
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 479=cut
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return;
319 480
320 aio_fsync $fh 481sub fork_call(&@) {
321 and return; 482 my ($cb, @args) = @_;
322 483
323 close $fh 484 # we seemingly have to make a local copy of the whole thing,
324 or return; 485 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (liekly this will be rather laborious)
325 487
326 aio_rename "$runtime~", $runtime 488 my @res = Coro::Util::fork_eval {
327 and return; 489 reset_signals;
490 &$cb
491 }, @args;
328 492
493 wantarray ? @res : $res[-1]
494}
495
496=item $value = cf::db_get $family => $key
497
498Returns a single value from the environment database.
499
500=item cf::db_put $family => $key => $value
501
502Stores the given C<$value> in the family. It can currently store binary
503data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504
505=cut
506
507our $DB;
508
509sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job {
514 eval {
515 $DB->set_flags (BDB::CHKSUM);
516
517 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519 cf::cleanup "db_open(db): $!" if $!;
520 };
521 cf::cleanup "db_open(db): $@" if $@;
522 };
329 1 523 }
524}
525
526sub db_get($$) {
527 my $key = "$_[0]/$_[1]";
528
529 cf::sync_job {
530 BDB::db_get $DB, undef, $key, my $data;
531
532 $! ? ()
533 : $data
534 }
535}
536
537sub db_put($$$) {
538 BDB::dbreq_pri 4;
539 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
540}
541
542=item cf::cache $id => [$paths...], $processversion => $process
543
544Generic caching function that returns the value of the resource $id,
545caching and regenerating as required.
546
547This function can block.
548
549=cut
550
551sub cache {
552 my ($id, $src, $processversion, $process) = @_;
553
554 my $meta =
555 join "\x00",
556 $processversion,
557 map {
558 aio_stat $_
559 and Carp::croak "$_: $!";
560
561 ($_, (stat _)[7,9])
562 } @$src;
563
564 my $dbmeta = db_get cache => "$id/meta";
565 if ($dbmeta ne $meta) {
566 # changed, we may need to process
567
568 my @data;
569 my $md5;
570
571 for (0 .. $#$src) {
572 0 <= aio_load $src->[$_], $data[$_]
573 or Carp::croak "$src->[$_]: $!";
574 }
575
576 # if processing is expensive, check
577 # checksum first
578 if (1) {
579 $md5 =
580 join "\x00",
581 $processversion,
582 map {
583 cf::cede_to_tick;
584 ($src->[$_], Digest::MD5::md5_hex $data[$_])
585 } 0.. $#$src;
586
587
588 my $dbmd5 = db_get cache => "$id/md5";
589 if ($dbmd5 eq $md5) {
590 db_put cache => "$id/meta", $meta;
591
592 return db_get cache => "$id/data";
593 }
594 }
595
596 my $t1 = Time::HiRes::time;
597 my $data = $process->(\@data);
598 my $t2 = Time::HiRes::time;
599
600 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
601
602 db_put cache => "$id/data", $data;
603 db_put cache => "$id/md5" , $md5;
604 db_put cache => "$id/meta", $meta;
605
606 return $data;
607 }
608
609 db_get cache => "$id/data"
610}
611
612=item cf::datalog type => key => value, ...
613
614Log a datalog packet of the given type with the given key-value pairs.
615
616=cut
617
618sub datalog($@) {
619 my ($type, %kv) = @_;
620 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330} 621}
331 622
332=back 623=back
333 624
334=cut 625=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455 626
456############################################################################# 627#############################################################################
457 628
458=head2 ATTACHABLE OBJECTS 629=head2 ATTACHABLE OBJECTS
459 630
461attach callbacks/event handlers (a collection of which is called an "attachment") 632attach callbacks/event handlers (a collection of which is called an "attachment")
462to it. All such attachable objects support the following methods. 633to it. All such attachable objects support the following methods.
463 634
464In the following description, CLASS can be any of C<global>, C<object> 635In the following description, CLASS can be any of C<global>, C<object>
465C<player>, C<client> or C<map> (i.e. the attachable objects in 636C<player>, C<client> or C<map> (i.e. the attachable objects in
466crossfire+). 637Crossfire TRT).
467 638
468=over 4 639=over 4
469 640
470=item $attachable->attach ($attachment, key => $value...) 641=item $attachable->attach ($attachment, key => $value...)
471 642
585our @CB_TYPE = (); # registry for type (cf-object class) based events 756our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 757our @CB_MAP = ();
587 758
588my %attachment; 759my %attachment;
589 760
761sub cf::attachable::thawer_merge {
762 # simply override everything except _meta
763 local $_[0]{_meta};
764 %{$_[0]} = %{$_[1]};
765}
766
590sub _attach_cb($$$$) { 767sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 768 my ($registry, $event, $prio, $cb) = @_;
592 769
593 use sort 'stable'; 770 use sort 'stable';
594 771
628 $registry = $CB_TYPE[$object_type] ||= []; 805 $registry = $CB_TYPE[$object_type] ||= [];
629 806
630 } elsif ($type eq "subtype") { 807 } elsif ($type eq "subtype") {
631 defined $object_type or Carp::croak "subtype specified without type"; 808 defined $object_type or Carp::croak "subtype specified without type";
632 my $object_subtype = shift @arg; 809 my $object_subtype = shift @arg;
633 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 810 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634 811
635 } elsif ($type eq "package") { 812 } elsif ($type eq "package") {
636 my $pkg = shift @arg; 813 my $pkg = shift @arg;
637 814
638 while (my ($name, $id) = each %cb_id) { 815 while (my ($name, $id) = each %cb_id) {
667 _attach $registry, $klass, @attach; 844 _attach $registry, $klass, @attach;
668 } 845 }
669 846
670 $obj->{$name} = \%arg; 847 $obj->{$name} = \%arg;
671 } else { 848 } else {
672 warn "object uses attachment '$name' that is not available, postponing.\n"; 849 warn "object uses attachment '$name' which is not available, postponing.\n";
673 } 850 }
674 851
675 $obj->{_attachment}{$name} = undef; 852 $obj->{_attachment}{$name} = undef;
676} 853}
677 854
679 if (ref $_[0]) { 856 if (ref $_[0]) {
680 _object_attach @_; 857 _object_attach @_;
681 } else { 858 } else {
682 _attach shift->_attach_registry, @_; 859 _attach shift->_attach_registry, @_;
683 } 860 }
861 _recalc_want;
684}; 862};
685 863
686# all those should be optimised 864# all those should be optimised
687sub cf::attachable::detach { 865sub cf::attachable::detach {
688 my ($obj, $name) = @_; 866 my ($obj, $name) = @_;
691 delete $obj->{_attachment}{$name}; 869 delete $obj->{_attachment}{$name};
692 reattach ($obj); 870 reattach ($obj);
693 } else { 871 } else {
694 Carp::croak "cannot, currently, detach class attachments"; 872 Carp::croak "cannot, currently, detach class attachments";
695 } 873 }
874 _recalc_want;
696}; 875};
697 876
698sub cf::attachable::attached { 877sub cf::attachable::attached {
699 my ($obj, $name) = @_; 878 my ($obj, $name) = @_;
700 879
715 "; 894 ";
716 die if $@; 895 die if $@;
717} 896}
718 897
719our $override; 898our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 899our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 900
722sub override { 901sub override {
723 $override = 1; 902 $override = 1;
724 @invoke_results = (); 903 @INVOKE_RESULTS = (@_);
725} 904}
726 905
727sub do_invoke { 906sub do_invoke {
728 my $event = shift; 907 my $event = shift;
729 my $callbacks = shift; 908 my $callbacks = shift;
730 909
731 @invoke_results = (); 910 @INVOKE_RESULTS = ();
732 911
733 local $override; 912 local $override;
734 913
735 for (@$callbacks) { 914 for (@$callbacks) {
736 eval { &{$_->[1]} }; 915 eval { &{$_->[1]} };
753 932
754Generate an object-specific event with the given arguments. 933Generate an object-specific event with the given arguments.
755 934
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 935This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 936removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 937results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 938
760=back 939=back
761 940
762=cut 941=cut
763 942
764############################################################################# 943#############################################################################
765# object support 944# object support
945#
946
947sub _can_merge {
948 my ($ob1, $ob2) = @_;
949
950 local $Storable::canonical = 1;
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953
954 $fob1 eq $fob2
955}
766 956
767sub reattach { 957sub reattach {
768 # basically do the same as instantiate, without calling instantiate 958 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 959 my ($obj) = @_;
960
961 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 962
771 my $registry = $obj->registry; 963 my $registry = $obj->registry;
772 964
773 @$registry = (); 965 @$registry = ();
774 966
821 $filename, length $$rdata, scalar @$objs; 1013 $filename, length $$rdata, scalar @$objs;
822 1014
823 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1015 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824 chmod SAVE_MODE, $fh; 1016 chmod SAVE_MODE, $fh;
825 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1017 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826 aio_fsync $fh; 1018 aio_fsync $fh if $cf::USE_FSYNC;
827 close $fh; 1019 close $fh;
828 1020
829 if (@$objs) { 1021 if (@$objs) {
830 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1022 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831 chmod SAVE_MODE, $fh; 1023 chmod SAVE_MODE, $fh;
832 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1024 my $data = Storable::nfreeze { version => 1, objs => $objs };
833 aio_write $fh, 0, (length $data), $data, 0; 1025 aio_write $fh, 0, (length $data), $data, 0;
834 aio_fsync $fh; 1026 aio_fsync $fh if $cf::USE_FSYNC;
835 close $fh; 1027 close $fh;
836 aio_rename "$filename.pst~", "$filename.pst"; 1028 aio_rename "$filename.pst~", "$filename.pst";
837 } 1029 }
838 } else { 1030 } else {
839 aio_unlink "$filename.pst"; 1031 aio_unlink "$filename.pst";
871 or return; 1063 or return;
872 $av = eval { (Storable::thaw $av)->{objs} }; 1064 $av = eval { (Storable::thaw $av)->{objs} };
873 } 1065 }
874 1066
875 warn sprintf "loading %s (%d)\n", 1067 warn sprintf "loading %s (%d)\n",
876 $filename, length $data, scalar @{$av || []};#d# 1068 $filename, length $data, scalar @{$av || []};
877 return ($data, $av); 1069 return ($data, $av);
878} 1070}
1071
1072=head2 COMMAND CALLBACKS
1073
1074=over 4
1075
1076=cut
879 1077
880############################################################################# 1078#############################################################################
881# command handling &c 1079# command handling &c
882 1080
883=item cf::register_command $name => \&callback($ob,$args); 1081=item cf::register_command $name => \&callback($ob,$args);
896 push @{ $COMMAND{$name} }, [$caller, $cb]; 1094 push @{ $COMMAND{$name} }, [$caller, $cb];
897} 1095}
898 1096
899=item cf::register_extcmd $name => \&callback($pl,$packet); 1097=item cf::register_extcmd $name => \&callback($pl,$packet);
900 1098
901Register a callbackf ro execution when the client sends an extcmd packet. 1099Register a callback for execution when the client sends an (synchronous)
1100extcmd packet. Ext commands will be processed in the order they are
1101received by the server, like other user commands. The first argument is
1102the logged-in player. Ext commands can only be processed after a player
1103has logged in successfully.
902 1104
903If the callback returns something, it is sent back as if reply was being 1105If the callback returns something, it is sent back as if reply was being
904called. 1106called.
905 1107
1108=item cf::register_exticmd $name => \&callback($ns,$packet);
1109
1110Register a callback for execution when the client sends an (asynchronous)
1111exticmd packet. Exti commands are processed by the server as soon as they
1112are received, i.e. out of order w.r.t. other commands. The first argument
1113is a client socket. Exti commands can be received anytime, even before
1114log-in.
1115
1116If the callback returns something, it is sent back as if reply was being
1117called.
1118
906=cut 1119=cut
907 1120
908sub register_extcmd { 1121sub register_extcmd {
909 my ($name, $cb) = @_; 1122 my ($name, $cb) = @_;
910 1123
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 1124 $EXTCMD{$name} = $cb;
1125}
1126
1127sub register_exticmd {
1128 my ($name, $cb) = @_;
1129
1130 $EXTICMD{$name} = $cb;
915} 1131}
916 1132
917cf::player->attach ( 1133cf::player->attach (
918 on_command => sub { 1134 on_command => sub {
919 my ($pl, $name, $params) = @_; 1135 my ($pl, $name, $params) = @_;
928 cf::override; 1144 cf::override;
929 }, 1145 },
930 on_extcmd => sub { 1146 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1147 my ($pl, $buf) = @_;
932 1148
933 my $msg = eval { from_json $buf }; 1149 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1150
935 if (ref $msg) { 1151 if (ref $msg) {
1152 my ($type, $reply, @payload) =
1153 "ARRAY" eq ref $msg
1154 ? @$msg
1155 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1156
1157 my @reply;
1158
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1159 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 1160 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1161 }
1162
1163 $pl->ext_reply ($reply, @reply)
1164 if $reply;
1165
941 } else { 1166 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1167 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1168 }
944 1169
945 cf::override; 1170 cf::override;
946 }, 1171 },
947); 1172);
948 1173
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension {
956 my ($path) = @_;
957
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1;
960 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg";
963
964 warn "loading '$path' into '$pkg'\n";
965
966 open my $fh, "<:utf8", $path
967 or die "$path: $!";
968
969 my $source =
970 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> })
973 . "\n};\n1";
974
975 eval $source
976 or die $@ ? "$path: $@\n"
977 : "extension disabled.\n";
978
979 push @exts, $pkg;
980 $ext_pkg{$base} = $pkg;
981
982# no strict 'refs';
983# @{"$pkg\::ISA"} = ext::;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# }
998
999 # remove commands
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023}
1024
1025sub load_extensions { 1174sub load_extensions {
1175 cf::sync_job {
1176 my %todo;
1177
1026 for my $ext (<$LIBDIR/*.ext>) { 1178 for my $path (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 1179 next unless -r $path;
1028 eval { 1180
1029 load_extension $ext; 1181 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1182 my $base = $1;
1183 my $pkg = $1;
1184 $pkg =~ s/[^[:word:]]/_/g;
1185 $pkg = "ext::$pkg";
1186
1187 open my $fh, "<:utf8", $path
1188 or die "$path: $!";
1189
1190 my $source = do { local $/; <$fh> };
1191
1192 my %ext = (
1193 path => $path,
1194 base => $base,
1195 pkg => $pkg,
1196 );
1197
1198 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200
1201 $ext{source} =
1202 "package $pkg; use strict; use utf8;\n"
1203 . "#line 1 \"$path\"\n{\n"
1204 . $source
1205 . "\n};\n1";
1206
1207 $todo{$base} = \%ext;
1208 }
1209
1210 my %done;
1211 while (%todo) {
1212 my $progress;
1213
1214 while (my ($k, $v) = each %todo) {
1215 for (split /,\s*/, $v->{meta}{depends}) {
1216 goto skip
1217 unless exists $done{$_};
1218 }
1219
1220 warn "... loading '$k' into '$v->{pkg}'\n";
1221
1222 unless (eval $v->{source}) {
1223 my $msg = $@ ? "$v->{path}: $@\n"
1224 : "$v->{base}: extension inactive.\n";
1225
1226 if (exists $v->{meta}{mandatory}) {
1227 warn $msg;
1228 warn "mandatory extension failed to load, exiting.\n";
1229 exit 1;
1230 }
1231
1232 warn $msg;
1233 }
1234
1235 $done{$k} = delete $todo{$k};
1236 push @EXTS, $v->{pkg};
1237 $progress = 1;
1030 1 1238 }
1031 } or warn "$ext not loaded: $@"; 1239
1240 skip:
1241 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1242 unless $progress;
1243 }
1032 } 1244 };
1033} 1245}
1034 1246
1035############################################################################# 1247#############################################################################
1036# load/save/clean perl data associated with a map
1037 1248
1038*cf::mapsupport::on_clean = sub { 1249=back
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 1250
1073=head2 CORE EXTENSIONS 1251=head2 CORE EXTENSIONS
1074 1252
1075Functions and methods that extend core crossfire objects. 1253Functions and methods that extend core crossfire objects.
1076 1254
1077=cut 1255=cut
1078 1256
1079package cf::player; 1257package cf::player;
1080 1258
1259use Coro::AIO;
1260
1081=head3 cf::player 1261=head3 cf::player
1082 1262
1083=over 4 1263=over 4
1084 1264
1085=item cf::player::find $login 1265=item cf::player::find $login
1087Returns the given player object, loading it if necessary (might block). 1267Returns the given player object, loading it if necessary (might block).
1088 1268
1089=cut 1269=cut
1090 1270
1091sub playerdir($) { 1271sub playerdir($) {
1092 cf::localdir 1272 "$PLAYERDIR/"
1093 . "/"
1094 . cf::playerdir
1095 . "/"
1096 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1273 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1097} 1274}
1098 1275
1099sub path($) { 1276sub path($) {
1100 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1277 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101 1278
1102 (playerdir $login) . "/$login.pl" 1279 (playerdir $login) . "/playerdata"
1103} 1280}
1104 1281
1105sub find_active($) { 1282sub find_active($) {
1106 $cf::PLAYER{$_[0]} 1283 $cf::PLAYER{$_[0]}
1107 and $cf::PLAYER{$_[0]}->active 1284 and $cf::PLAYER{$_[0]}->active
1110 1287
1111sub exists($) { 1288sub exists($) {
1112 my ($login) = @_; 1289 my ($login) = @_;
1113 1290
1114 $cf::PLAYER{$login} 1291 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 1292 or cf::sync_job { !aio_stat path $login }
1116} 1293}
1117 1294
1118sub find($) { 1295sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 1296 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 1297 my $login = $_[0];
1121 1298
1122 my $guard = cf::lock_acquire "user_find:$login"; 1299 my $guard = cf::lock_acquire "user_find:$login";
1123 1300
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 1301 $cf::PLAYER{$_[0]} || do {
1302 # rename old playerfiles to new ones
1303 #TODO: remove when no longer required
1304 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307 aio_unlink +(playerdir $login) . "/$login.pl";
1308
1309 my $pl = load_pl path $login
1310 or return;
1311 $cf::PLAYER{$login} = $pl
1312 }
1125 }; 1313 }
1126} 1314}
1127 1315
1128sub save($) { 1316sub save($) {
1129 my ($pl) = @_; 1317 my ($pl) = @_;
1130 1318
1133 my $path = path $pl; 1321 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 1322 my $guard = cf::lock_acquire "user_save:$path";
1135 1323
1136 return if $pl->{deny_save}; 1324 return if $pl->{deny_save};
1137 1325
1138 IO::AIO::aio_mkdir playerdir $pl, 0770; 1326 aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME; 1327 $pl->{last_save} = $cf::RUNTIME;
1140 1328
1141 Coro::cede;
1142 $pl->save_pl ($path); 1329 $pl->save_pl ($path);
1143 Coro::cede; 1330 cf::cede_to_tick;
1144} 1331}
1145 1332
1146sub new($) { 1333sub new($) {
1147 my ($login) = @_; 1334 my ($login) = @_;
1148 1335
1154 $cf::PLAYER{$login} = $self; 1341 $cf::PLAYER{$login} = $self;
1155 1342
1156 $self 1343 $self
1157} 1344}
1158 1345
1346=item $player->send_msg ($channel, $msg, $color, [extra...])
1347
1348=cut
1349
1350sub send_msg {
1351 my $ns = shift->ns
1352 or return;
1353 $ns->send_msg (@_);
1354}
1355
1356=item $pl->quit_character
1357
1358Nukes the player without looking back. If logged in, the connection will
1359be destroyed. May block for a long time.
1360
1361=cut
1362
1159sub quit_character { 1363sub quit_character {
1160 my ($pl) = @_; 1364 my ($pl) = @_;
1365
1366 my $name = $pl->ob->name;
1161 1367
1162 $pl->{deny_save} = 1; 1368 $pl->{deny_save} = 1;
1163 $pl->password ("*"); # this should lock out the player until we nuked the dir 1369 $pl->password ("*"); # this should lock out the player until we nuked the dir
1164 1370
1165 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1371 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1167 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1373 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1168 $pl->ns->destroy if $pl->ns; 1374 $pl->ns->destroy if $pl->ns;
1169 1375
1170 my $path = playerdir $pl; 1376 my $path = playerdir $pl;
1171 my $temp = "$path~$cf::RUNTIME~deleting~"; 1377 my $temp = "$path~$cf::RUNTIME~deleting~";
1172 IO::AIO::aio_rename $path, $temp, sub { 1378 aio_rename $path, $temp;
1173 delete $cf::PLAYER{$pl->ob->name}; 1379 delete $cf::PLAYER{$pl->ob->name};
1174 $pl->destroy; 1380 $pl->destroy;
1175 1381
1382 my $prefix = qr<^~\Q$name\E/>;
1383
1384 # nuke player maps
1385 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1386
1176 IO::AIO::aio_rmtree $temp; 1387 IO::AIO::aio_rmtree $temp;
1388}
1389
1390=item $pl->kick
1391
1392Kicks a player out of the game. This destroys the connection.
1393
1394=cut
1395
1396sub kick {
1397 my ($pl, $kicker) = @_;
1398
1399 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1400 $pl->killer ("kicked");
1401 $pl->ns->destroy;
1402}
1403
1404=item cf::player::list_logins
1405
1406Returns am arrayref of all valid playernames in the system, can take a
1407while and may block, so not sync_job-capable, ever.
1408
1409=cut
1410
1411sub list_logins {
1412 my $dirs = aio_readdir $PLAYERDIR
1413 or return [];
1414
1415 my @logins;
1416
1417 for my $login (@$dirs) {
1418 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1419 aio_read $fh, 0, 512, my $buf, 0 or next;
1420 $buf !~ /^password -------------$/m or next; # official not-valid tag
1421
1422 utf8::decode $login;
1423 push @logins, $login;
1177 }; 1424 }
1178}
1179 1425
1426 \@logins
1427}
1428
1429=item $player->maps
1430
1431Returns an arrayref of map paths that are private for this
1432player. May block.
1433
1434=cut
1435
1436sub maps($) {
1437 my ($pl) = @_;
1438
1439 $pl = ref $pl ? $pl->ob->name : $pl;
1440
1441 my $files = aio_readdir playerdir $pl
1442 or return;
1443
1444 my @paths;
1445
1446 for (@$files) {
1447 utf8::decode $_;
1448 next if /\.(?:pl|pst)$/;
1449 next unless /^$PATH_SEP/o;
1450
1451 push @paths, cf::map::normalise "~$pl/$_";
1452 }
1453
1454 \@paths
1455}
1456
1457=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1458
1459Expand crossfire pod fragments into protocol xml.
1460
1461=cut
1462
1463sub expand_cfpod {
1464 ((my $self), (local $_)) = @_;
1465
1466 # escape & and <
1467 s/&/&amp;/g;
1468 s/(?<![BIUGHT])</&lt;/g;
1469
1470 # this is buggy, it needs to properly take care of nested <'s
1471
1472 1 while
1473 # replace B<>, I<>, U<> etc.
1474 s/B<([^\>]*)>/<b>$1<\/b>/
1475 || s/I<([^\>]*)>/<i>$1<\/i>/
1476 || s/U<([^\>]*)>/<u>$1<\/u>/
1477 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478 # replace G<male|female> tags
1479 || s{G<([^>|]*)\|([^>]*)>}{
1480 $self->gender ? $2 : $1
1481 }ge
1482 # replace H<hint text>
1483 || s{H<([^\>]*)>}
1484 {
1485 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487 "")
1488 [$self->{hintmode}]
1489 }ge;
1490
1491 # create single paragraphs (very hackish)
1492 s/(?<=\S)\n(?=\w)/ /g;
1493
1494 # compress some whitespace
1495 s/\s+\n/\n/g; # ws line-ends
1496 s/\n\n+/\n/g; # double lines
1497 s/^\n+//; # beginning lines
1498 s/\n+$//; # ending lines
1499
1500 $_
1501}
1502
1503sub hintmode {
1504 $_[0]{hintmode} = $_[1] if @_ > 1;
1505 $_[0]{hintmode}
1506}
1507
1180=item $player->ext_reply ($msgid, $msgtype, %msg) 1508=item $player->ext_reply ($msgid, @msg)
1181 1509
1182Sends an ext reply to the player. 1510Sends an ext reply to the player.
1183 1511
1184=cut 1512=cut
1185 1513
1186sub ext_reply($$$%) { 1514sub ext_reply($$@) {
1187 my ($self, $id, %msg) = @_; 1515 my ($self, $id, @msg) = @_;
1188 1516
1189 $msg{msgid} = $id; 1517 $self->ns->ext_reply ($id, @msg)
1190
1191 $self->send ("ext " . cf::to_json \%msg);
1192} 1518}
1193 1519
1194package cf; 1520=item $player->ext_msg ($type, @msg)
1521
1522Sends an ext event to the client.
1523
1524=cut
1525
1526sub ext_msg($$@) {
1527 my ($self, $type, @msg) = @_;
1528
1529 $self->ns->ext_msg ($type, @msg);
1530}
1531
1532=head3 cf::region
1533
1534=over 4
1535
1536=cut
1537
1538package cf::region;
1539
1540=item cf::region::find_by_path $path
1541
1542Tries to decuce the likely region for a map knowing only its path.
1543
1544=cut
1545
1546sub find_by_path($) {
1547 my ($path) = @_;
1548
1549 my ($match, $specificity);
1550
1551 for my $region (list) {
1552 if ($region->{match} && $path =~ $region->{match}) {
1553 ($match, $specificity) = ($region, $region->specificity)
1554 if $region->specificity > $specificity;
1555 }
1556 }
1557
1558 $match
1559}
1195 1560
1196=back 1561=back
1197
1198 1562
1199=head3 cf::map 1563=head3 cf::map
1200 1564
1201=over 4 1565=over 4
1202 1566
1205package cf::map; 1569package cf::map;
1206 1570
1207use Fcntl; 1571use Fcntl;
1208use Coro::AIO; 1572use Coro::AIO;
1209 1573
1574use overload
1575 '""' => \&as_string,
1576 fallback => 1;
1577
1210our $MAX_RESET = 3600; 1578our $MAX_RESET = 3600;
1211our $DEFAULT_RESET = 3000; 1579our $DEFAULT_RESET = 3000;
1212 1580
1213sub generate_random_map { 1581sub generate_random_map {
1214 my ($path, $rmp) = @_; 1582 my ($self, $rmp) = @_;
1215
1216 # mit "rum" bekleckern, nicht 1583 # mit "rum" bekleckern, nicht
1217 cf::map::_create_random_map 1584 $self->_create_random_map (
1218 $path,
1219 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1585 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1586 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1587 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222 $rmp->{exit_on_final_map}, 1588 $rmp->{exit_on_final_map},
1223 $rmp->{xsize}, $rmp->{ysize}, 1589 $rmp->{xsize}, $rmp->{ysize},
1224 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1590 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1591 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1592 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1593 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1594 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229 (cf::region::find $rmp->{region}) 1595 (cf::region::find $rmp->{region}), $rmp->{custom}
1596 )
1597}
1598
1599=item cf::map->register ($regex, $prio)
1600
1601Register a handler for the map path matching the given regex at the
1602givne priority (higher is better, built-in handlers have priority 0, the
1603default).
1604
1605=cut
1606
1607sub register {
1608 my (undef, $regex, $prio) = @_;
1609 my $pkg = caller;
1610
1611 no strict;
1612 push @{"$pkg\::ISA"}, __PACKAGE__;
1613
1614 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1615}
1616
1617# also paths starting with '/'
1618$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1619
1620sub thawer_merge {
1621 my ($self, $merge) = @_;
1622
1623 # we have to keep some variables in memory intact
1624 local $self->{path};
1625 local $self->{load_path};
1626
1627 $self->SUPER::thawer_merge ($merge);
1628}
1629
1630sub normalise {
1631 my ($path, $base) = @_;
1632
1633 $path = "$path"; # make sure its a string
1634
1635 $path =~ s/\.map$//;
1636
1637 # map plan:
1638 #
1639 # /! non-realised random map exit (special hack!)
1640 # {... are special paths that are not being touched
1641 # ?xxx/... are special absolute paths
1642 # ?random/... random maps
1643 # /... normal maps
1644 # ~user/... per-player map of a specific user
1645
1646 $path =~ s/$PATH_SEP/\//go;
1647
1648 # treat it as relative path if it starts with
1649 # something that looks reasonable
1650 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1651 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1652
1653 $base =~ s{[^/]+/?$}{};
1654 $path = "$base/$path";
1655 }
1656
1657 for ($path) {
1658 redo if s{//}{/};
1659 redo if s{/\.?/}{/};
1660 redo if s{/[^/]+/\.\./}{/};
1661 }
1662
1663 $path
1664}
1665
1666sub new_from_path {
1667 my (undef, $path, $base) = @_;
1668
1669 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1670
1671 $path = normalise $path, $base;
1672
1673 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1674 if ($path =~ $EXT_MAP{$pkg}[1]) {
1675 my $self = bless cf::map::new, $pkg;
1676 $self->{path} = $path; $self->path ($path);
1677 $self->init; # pass $1 etc.
1678 return $self;
1679 }
1680 }
1681
1682 Carp::cluck "unable to resolve path '$path' (base '$base').";
1683 ()
1684}
1685
1686sub init {
1687 my ($self) = @_;
1688
1689 $self
1690}
1691
1692sub as_string {
1693 my ($self) = @_;
1694
1695 "$self->{path}"
1696}
1697
1698# the displayed name, this is a one way mapping
1699sub visible_name {
1700 &as_string
1701}
1702
1703# the original (read-only) location
1704sub load_path {
1705 my ($self) = @_;
1706
1707 "$MAPDIR/$self->{path}.map"
1708}
1709
1710# the temporary/swap location
1711sub save_path {
1712 my ($self) = @_;
1713
1714 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1715 "$TMPDIR/$path.map"
1716}
1717
1718# the unique path, undef == no special unique path
1719sub uniq_path {
1720 my ($self) = @_;
1721
1722 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1723 "$UNIQUEDIR/$path"
1230} 1724}
1231 1725
1232# and all this just because we cannot iterate over 1726# and all this just because we cannot iterate over
1233# all maps in C++... 1727# all maps in C++...
1234sub change_all_map_light { 1728sub change_all_map_light {
1236 1730
1237 $_->change_map_light ($change) 1731 $_->change_map_light ($change)
1238 for grep $_->outdoor, values %cf::MAP; 1732 for grep $_->outdoor, values %cf::MAP;
1239} 1733}
1240 1734
1735sub decay_objects {
1736 my ($self) = @_;
1737
1738 return if $self->{deny_reset};
1739
1740 $self->do_decay_objects;
1741}
1742
1743sub unlink_save {
1744 my ($self) = @_;
1745
1746 utf8::encode (my $save = $self->save_path);
1747 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1748 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1749}
1750
1241sub try_load_header($) { 1751sub load_header_from($) {
1242 my ($path) = @_; 1752 my ($self, $path) = @_;
1243 1753
1244 utf8::encode $path; 1754 utf8::encode $path;
1245 aio_open $path, O_RDONLY, 0 1755 #aio_open $path, O_RDONLY, 0
1756 # or return;
1757
1758 $self->_load_header ($path)
1246 or return; 1759 or return;
1247 1760
1248 my $map = cf::map::new 1761 $self->{load_path} = $path;
1762
1763 1
1764}
1765
1766sub load_header_orig {
1767 my ($self) = @_;
1768
1769 $self->load_header_from ($self->load_path)
1770}
1771
1772sub load_header_temp {
1773 my ($self) = @_;
1774
1775 $self->load_header_from ($self->save_path)
1776}
1777
1778sub prepare_temp {
1779 my ($self) = @_;
1780
1781 $self->last_access ((delete $self->{last_access})
1782 || $cf::RUNTIME); #d#
1783 # safety
1784 $self->{instantiate_time} = $cf::RUNTIME
1785 if $self->{instantiate_time} > $cf::RUNTIME;
1786}
1787
1788sub prepare_orig {
1789 my ($self) = @_;
1790
1791 $self->{load_original} = 1;
1792 $self->{instantiate_time} = $cf::RUNTIME;
1793 $self->last_access ($cf::RUNTIME);
1794 $self->instantiate;
1795}
1796
1797sub load_header {
1798 my ($self) = @_;
1799
1800 if ($self->load_header_temp) {
1801 $self->prepare_temp;
1802 } else {
1803 $self->load_header_orig
1249 or return; 1804 or return;
1805 $self->prepare_orig;
1806 }
1250 1807
1251 # for better error messages only, will be overwritten 1808 $self->{deny_reset} = 1
1252 $map->path ($path); 1809 if $self->no_reset;
1253 1810
1254 $map->load_header ($path) 1811 $self->default_region (cf::region::find_by_path $self->{path})
1255 or return; 1812 unless $self->default_region;
1256 1813
1257 $map->{load_path} = $path; 1814 1
1258
1259 $map
1260} 1815}
1261 1816
1262sub find; 1817sub find;
1263sub find { 1818sub find {
1264 my ($path, $origin) = @_; 1819 my ($path, $origin) = @_;
1265 1820
1266 #warn "find<$path,$origin>\n";#d#
1267
1268 $path = new cf::path $path, $origin && $origin->path; 1821 $path = normalise $path, $origin && $origin->path;
1269 my $key = $path->as_string;
1270 1822
1271 cf::lock_wait "map_find:$key"; 1823 cf::lock_wait "map_find:$path";
1272 1824
1273 $cf::MAP{$key} || do { 1825 $cf::MAP{$path} || do {
1274 my $guard = cf::lock_acquire "map_find:$key"; 1826 my $guard = cf::lock_acquire "map_find:$path";
1275 1827 my $map = new_from_path cf::map $path
1276 # do it the slow way
1277 my $map = try_load_header $path->save_path;
1278
1279 Coro::cede;
1280
1281 if ($map) {
1282 $map->last_access ((delete $map->{last_access})
1283 || $cf::RUNTIME); #d#
1284 # safety
1285 $map->{instantiate_time} = $cf::RUNTIME
1286 if $map->{instantiate_time} > $cf::RUNTIME;
1287 } else {
1288 if (my $rmp = $path->random_map_params) {
1289 $map = generate_random_map $key, $rmp;
1290 } else {
1291 $map = try_load_header $path->load_path;
1292 }
1293
1294 $map or return; 1828 or return;
1295 1829
1296 $map->{load_original} = 1;
1297 $map->{instantiate_time} = $cf::RUNTIME;
1298 $map->last_access ($cf::RUNTIME);
1299 $map->instantiate;
1300
1301 # per-player maps become, after loading, normal maps
1302 $map->per_player (0) if $path->{user_rel};
1303 }
1304
1305 $map->path ($key);
1306 $map->{path} = $path;
1307 $map->{last_save} = $cf::RUNTIME; 1830 $map->{last_save} = $cf::RUNTIME;
1308 1831
1309 Coro::cede; 1832 $map->load_header
1833 or return;
1310 1834
1311 if ($map->should_reset) { 1835 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836 # doing this can freeze the server in a sync job, obviously
1837 #$cf::WAIT_FOR_TICK->wait;
1312 $map->reset; 1838 $map->reset;
1313 undef $guard; 1839 undef $guard;
1314 $map = find $path 1840 return find $path;
1315 or return;
1316 } 1841 }
1317 1842
1318 $cf::MAP{$key} = $map 1843 $cf::MAP{$path} = $map
1319 } 1844 }
1320} 1845}
1846
1847sub pre_load { }
1848sub post_load { }
1321 1849
1322sub load { 1850sub load {
1323 my ($self) = @_; 1851 my ($self) = @_;
1324 1852
1853 local $self->{deny_reset} = 1; # loading can take a long time
1854
1325 my $path = $self->{path}; 1855 my $path = $self->{path};
1856
1857 {
1858 my $guard1 = cf::lock_acquire "map_data:$path";
1326 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1859 my $guard2 = cf::lock_acquire "map_load:$path";
1327 1860
1328 return if $self->in_memory != cf::MAP_SWAPPED; 1861 return if $self->in_memory != cf::MAP_SWAPPED;
1329 1862
1330 $self->in_memory (cf::MAP_LOADING); 1863 $self->in_memory (cf::MAP_LOADING);
1331 1864
1332 $self->alloc; 1865 $self->alloc;
1866
1867 $self->pre_load;
1868 cf::cede_to_tick;
1869
1333 $self->load_objects ($self->{load_path}, 1) 1870 $self->_load_objects ($self->{load_path}, 1)
1334 or return; 1871 or return;
1335 1872
1336 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1873 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337 if delete $self->{load_original}; 1874 if delete $self->{load_original};
1338 1875
1339 if (my $uniq = $path->uniq_path) { 1876 if (my $uniq = $self->uniq_path) {
1340 utf8::encode $uniq; 1877 utf8::encode $uniq;
1341 if (aio_open $uniq, O_RDONLY, 0) { 1878 if (aio_open $uniq, O_RDONLY, 0) {
1342 $self->clear_unique_items; 1879 $self->clear_unique_items;
1343 $self->load_objects ($uniq, 0); 1880 $self->_load_objects ($uniq, 0);
1344 } 1881 }
1345 } 1882 }
1346 1883
1347 Coro::cede; 1884 cf::cede_to_tick;
1348
1349 # now do the right thing for maps 1885 # now do the right thing for maps
1350 $self->link_multipart_objects; 1886 $self->link_multipart_objects;
1351
1352 if ($self->{path}->is_style_map) {
1353 $self->{deny_save} = 1;
1354 $self->{deny_reset} = 1;
1355 } else {
1356 $self->fix_auto_apply;
1357 $self->decay_objects;
1358 $self->update_buttons;
1359 $self->set_darkness_map;
1360 $self->difficulty ($self->estimate_difficulty) 1887 $self->difficulty ($self->estimate_difficulty)
1361 unless $self->difficulty; 1888 unless $self->difficulty;
1889 cf::cede_to_tick;
1890
1891 unless ($self->{deny_activate}) {
1892 $self->decay_objects;
1893 $self->fix_auto_apply;
1894 $self->update_buttons;
1895 cf::cede_to_tick;
1896 $self->set_darkness_map;
1897 cf::cede_to_tick;
1362 $self->activate; 1898 $self->activate;
1363 } 1899 }
1364 1900
1365 Coro::cede; 1901 $self->{last_save} = $cf::RUNTIME;
1902 $self->last_access ($cf::RUNTIME);
1366 1903
1367 $self->in_memory (cf::MAP_IN_MEMORY); 1904 $self->in_memory (cf::MAP_IN_MEMORY);
1905 }
1906
1907 $self->post_load;
1908}
1909
1910sub customise_for {
1911 my ($self, $ob) = @_;
1912
1913 return find "~" . $ob->name . "/" . $self->{path}
1914 if $self->per_player;
1915
1916# return find "?party/" . $ob->name . "/" . $self->{path}
1917# if $self->per_party;
1918
1919 $self
1920}
1921
1922# find and load all maps in the 3x3 area around a map
1923sub load_neighbours {
1924 my ($map) = @_;
1925
1926 my @neigh; # diagonal neighbours
1927
1928 for (0 .. 3) {
1929 my $neigh = $map->tile_path ($_)
1930 or next;
1931 $neigh = find $neigh, $map
1932 or next;
1933 $neigh->load;
1934
1935 push @neigh,
1936 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1937 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1938 }
1939
1940 for (grep defined $_->[0], @neigh) {
1941 my ($path, $origin) = @$_;
1942 my $neigh = find $path, $origin
1943 or next;
1944 $neigh->load;
1945 }
1368} 1946}
1369 1947
1370sub find_sync { 1948sub find_sync {
1371 my ($path, $origin) = @_; 1949 my ($path, $origin) = @_;
1372 1950
1373 cf::sync_job { cf::map::find $path, $origin } 1951 cf::sync_job { find $path, $origin }
1374} 1952}
1375 1953
1376sub do_load_sync { 1954sub do_load_sync {
1377 my ($map) = @_; 1955 my ($map) = @_;
1378 1956
1957 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1958 if $Coro::current == $Coro::main;
1959
1379 cf::sync_job { $map->load }; 1960 cf::sync_job { $map->load };
1961}
1962
1963our %MAP_PREFETCH;
1964our $MAP_PREFETCHER = undef;
1965
1966sub find_async {
1967 my ($path, $origin, $load) = @_;
1968
1969 $path = normalise $path, $origin && $origin->{path};
1970
1971 if (my $map = $cf::MAP{$path}) {
1972 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1973 }
1974
1975 $MAP_PREFETCH{$path} |= $load;
1976
1977 $MAP_PREFETCHER ||= cf::async {
1978 while (%MAP_PREFETCH) {
1979 while (my ($k, $v) = each %MAP_PREFETCH) {
1980 if (my $map = find $k) {
1981 $map->load if $v;
1982 }
1983
1984 delete $MAP_PREFETCH{$k};
1985 }
1986 }
1987 undef $MAP_PREFETCHER;
1988 };
1989 $MAP_PREFETCHER->prio (6);
1990
1991 ()
1380} 1992}
1381 1993
1382sub save { 1994sub save {
1383 my ($self) = @_; 1995 my ($self) = @_;
1384 1996
1385 my $lock = cf::lock_acquire "map_data:" . $self->path; 1997 my $lock = cf::lock_acquire "map_data:$self->{path}";
1386 1998
1387 $self->{last_save} = $cf::RUNTIME; 1999 $self->{last_save} = $cf::RUNTIME;
1388 2000
1389 return unless $self->dirty; 2001 return unless $self->dirty;
1390 2002
1391 my $save = $self->{path}->save_path; utf8::encode $save; 2003 my $save = $self->save_path; utf8::encode $save;
1392 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2004 my $uniq = $self->uniq_path; utf8::encode $uniq;
1393 2005
1394 $self->{load_path} = $save; 2006 $self->{load_path} = $save;
1395 2007
1396 return if $self->{deny_save}; 2008 return if $self->{deny_save};
1397 2009
1400 cf::async { 2012 cf::async {
1401 $_->contr->save for $self->players; 2013 $_->contr->save for $self->players;
1402 }; 2014 };
1403 2015
1404 if ($uniq) { 2016 if ($uniq) {
1405 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2017 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406 $self->save_objects ($uniq, cf::IO_UNIQUES); 2018 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1407 } else { 2019 } else {
1408 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2020 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409 } 2021 }
1410} 2022}
1411 2023
1412sub swap_out { 2024sub swap_out {
1413 my ($self) = @_; 2025 my ($self) = @_;
1414 2026
1415 # save first because save cedes 2027 # save first because save cedes
1416 $self->save; 2028 $self->save;
1417 2029
1418 my $lock = cf::lock_acquire "map_data:" . $self->path; 2030 my $lock = cf::lock_acquire "map_data:$self->{path}";
1419 2031
1420 return if $self->players; 2032 return if $self->players;
1421 return if $self->in_memory != cf::MAP_IN_MEMORY; 2033 return if $self->in_memory != cf::MAP_IN_MEMORY;
1422 return if $self->{deny_save}; 2034 return if $self->{deny_save};
1423 2035
1427 2039
1428sub reset_at { 2040sub reset_at {
1429 my ($self) = @_; 2041 my ($self) = @_;
1430 2042
1431 # TODO: safety, remove and allow resettable per-player maps 2043 # TODO: safety, remove and allow resettable per-player maps
1432 return 1e99 if $self->{path}{user_rel};
1433 return 1e99 if $self->{deny_reset}; 2044 return 1e99 if $self->{deny_reset};
1434 2045
1435 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2046 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2047 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437 2048
1442 my ($self) = @_; 2053 my ($self) = @_;
1443 2054
1444 $self->reset_at <= $cf::RUNTIME 2055 $self->reset_at <= $cf::RUNTIME
1445} 2056}
1446 2057
1447sub unlink_save {
1448 my ($self) = @_;
1449
1450 utf8::encode (my $save = $self->{path}->save_path);
1451 aioreq_pri 3; IO::AIO::aio_unlink $save;
1452 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453}
1454
1455sub rename {
1456 my ($self, $new_path) = @_;
1457
1458 $self->unlink_save;
1459
1460 delete $cf::MAP{$self->path};
1461 $self->{path} = new cf::path $new_path;
1462 $self->path ($self->{path}->as_string);
1463 $cf::MAP{$self->path} = $self;
1464
1465 $self->save;
1466}
1467
1468sub reset { 2058sub reset {
1469 my ($self) = @_; 2059 my ($self) = @_;
1470 2060
1471 my $lock = cf::lock_acquire "map_data:" . $self->path; 2061 my $lock = cf::lock_acquire "map_data:$self->{path}";
1472 2062
1473 return if $self->players; 2063 return if $self->players;
1474 return if $self->{path}{user_rel};#d#
1475 2064
1476 warn "resetting map ", $self->path;#d# 2065 warn "resetting map ", $self->path;
2066
2067 $self->in_memory (cf::MAP_SWAPPED);
2068
2069 # need to save uniques path
2070 unless ($self->{deny_save}) {
2071 my $uniq = $self->uniq_path; utf8::encode $uniq;
2072
2073 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2074 if $uniq;
2075 }
1477 2076
1478 delete $cf::MAP{$self->path}; 2077 delete $cf::MAP{$self->path};
2078
2079 $self->clear;
1479 2080
1480 $_->clear_links_to ($self) for values %cf::MAP; 2081 $_->clear_links_to ($self) for values %cf::MAP;
1481 2082
1482 $self->unlink_save; 2083 $self->unlink_save;
1483 $self->destroy; 2084 $self->destroy;
1486my $nuke_counter = "aaaa"; 2087my $nuke_counter = "aaaa";
1487 2088
1488sub nuke { 2089sub nuke {
1489 my ($self) = @_; 2090 my ($self) = @_;
1490 2091
2092 {
2093 my $lock = cf::lock_acquire "map_data:$self->{path}";
2094
2095 delete $cf::MAP{$self->path};
2096
2097 $self->unlink_save;
2098
2099 bless $self, "cf::map";
2100 delete $self->{deny_reset};
1491 $self->{deny_save} = 1; 2101 $self->{deny_save} = 1;
1492 $self->reset_timeout (1); 2102 $self->reset_timeout (1);
1493 $self->rename ("{nuke}/" . ($nuke_counter++)); 2103 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2104
2105 $cf::MAP{$self->path} = $self;
2106 }
2107
1494 $self->reset; # polite request, might not happen 2108 $self->reset; # polite request, might not happen
1495} 2109}
1496 2110
1497sub customise_for { 2111=item $maps = cf::map::tmp_maps
1498 my ($map, $ob) = @_;
1499 2112
1500 if ($map->per_player) { 2113Returns an arrayref with all map paths of currently instantiated and saved
1501 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2114maps. May block.
2115
2116=cut
2117
2118sub tmp_maps() {
1502 } 2119 [
1503 2120 map {
1504 $map 2121 utf8::decode $_;
2122 /\.map$/
2123 ? normalise $_
2124 : ()
2125 } @{ aio_readdir $TMPDIR or [] }
2126 ]
1505} 2127}
1506 2128
1507sub emergency_save { 2129=item $maps = cf::map::random_maps
1508 my $freeze_guard = cf::freeze_mainloop;
1509 2130
1510 warn "enter emergency perl save\n"; 2131Returns an arrayref with all map paths of currently instantiated and saved
2132random maps. May block.
1511 2133
1512 cf::sync_job { 2134=cut
1513 warn "begin emergency player save\n";
1514 $_->save for values %cf::PLAYER;
1515 warn "end emergency player save\n";
1516 2135
1517 warn "begin emergency map save\n"; 2136sub random_maps() {
1518 $_->save for values %cf::MAP; 2137 [
1519 warn "end emergency map save\n"; 2138 map {
1520 }; 2139 utf8::decode $_;
2140 /\.map$/
2141 ? normalise "?random/$_"
2142 : ()
2143 } @{ aio_readdir $RANDOMDIR or [] }
2144 ]
2145}
1521 2146
1522 warn "leave emergency perl save\n"; 2147=item cf::map::unique_maps
2148
2149Returns an arrayref of paths of all shared maps that have
2150instantiated unique items. May block.
2151
2152=cut
2153
2154sub unique_maps() {
2155 [
2156 map {
2157 utf8::decode $_;
2158 /\.map$/
2159 ? normalise $_
2160 : ()
2161 } @{ aio_readdir $UNIQUEDIR or [] }
2162 ]
1523} 2163}
1524 2164
1525package cf; 2165package cf;
1526 2166
1527=back 2167=back
1528 2168
2169=head3 cf::object
2170
2171=cut
2172
2173package cf::object;
2174
2175=over 4
2176
2177=item $ob->inv_recursive
2178
2179Returns the inventory of the object _and_ their inventories, recursively.
2180
2181=cut
2182
2183sub inv_recursive_;
2184sub inv_recursive_ {
2185 map { $_, inv_recursive_ $_->inv } @_
2186}
2187
2188sub inv_recursive {
2189 inv_recursive_ inv $_[0]
2190}
2191
2192package cf;
2193
2194=back
1529 2195
1530=head3 cf::object::player 2196=head3 cf::object::player
1531 2197
1532=over 4 2198=over 4
1533 2199
1547 2213
1548 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2214 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1549 2215
1550 if ($self->{record_replies}) { 2216 if ($self->{record_replies}) {
1551 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2217 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2218
1552 } else { 2219 } else {
2220 my $pl = $self->contr;
2221
2222 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2223 my $dialog = $pl->{npc_dialog};
2224 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225
2226 } else {
1553 $msg = $npc->name . " says: $msg" if $npc; 2227 $msg = $npc->name . " says: $msg" if $npc;
1554 $self->message ($msg, $flags); 2228 $self->message ($msg, $flags);
2229 }
1555 } 2230 }
2231}
2232
2233=item $object->send_msg ($channel, $msg, $color, [extra...])
2234
2235=cut
2236
2237sub cf::object::send_msg {
2238 my $pl = shift->contr
2239 or return;
2240 $pl->send_msg (@_);
1556} 2241}
1557 2242
1558=item $player_object->may ("access") 2243=item $player_object->may ("access")
1559 2244
1560Returns wether the given player is authorized to access resource "access" 2245Returns wether the given player is authorized to access resource "access"
1573 2258
1574=item $player_object->enter_link 2259=item $player_object->enter_link
1575 2260
1576Freezes the player and moves him/her to a special map (C<{link}>). 2261Freezes the player and moves him/her to a special map (C<{link}>).
1577 2262
1578The player should be reaosnably safe there for short amounts of time. You 2263The player should be reasonably safe there for short amounts of time. You
1579I<MUST> call C<leave_link> as soon as possible, though. 2264I<MUST> call C<leave_link> as soon as possible, though.
1580 2265
2266Will never block.
2267
1581=item $player_object->leave_link ($map, $x, $y) 2268=item $player_object->leave_link ($map, $x, $y)
1582 2269
1583Moves the player out of the specila link map onto the given map. If the 2270Moves the player out of the special C<{link}> map onto the specified
1584map is not valid (or omitted), the player will be moved back to the 2271map. If the map is not valid (or omitted), the player will be moved back
1585location he/she was before the call to C<enter_link>, or, if that fails, 2272to the location he/she was before the call to C<enter_link>, or, if that
1586to the emergency map position. 2273fails, to the emergency map position.
1587 2274
1588Might block. 2275Might block.
1589 2276
1590=cut 2277=cut
2278
2279sub link_map {
2280 unless ($LINK_MAP) {
2281 $LINK_MAP = cf::map::find "{link}"
2282 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2283 $LINK_MAP->load;
2284 }
2285
2286 $LINK_MAP
2287}
1591 2288
1592sub cf::object::player::enter_link { 2289sub cf::object::player::enter_link {
1593 my ($self) = @_; 2290 my ($self) = @_;
1594 2291
1595 $self->deactivate_recursive; 2292 $self->deactivate_recursive;
1596 2293
1597 return if $self->map == $LINK_MAP; 2294 return if UNIVERSAL::isa $self->map, "ext::map_link";
1598 2295
1599 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2296 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600 if $self->map; 2297 if $self->map && $self->map->{path} ne "{link}";
1601 2298
1602 $self->enter_map ($LINK_MAP, 20, 20); 2299 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1603} 2300}
1604 2301
1605sub cf::object::player::leave_link { 2302sub cf::object::player::leave_link {
1606 my ($self, $map, $x, $y) = @_; 2303 my ($self, $map, $x, $y) = @_;
2304
2305 return unless $self->contr->active;
1607 2306
1608 my $link_pos = delete $self->{_link_pos}; 2307 my $link_pos = delete $self->{_link_pos};
1609 2308
1610 unless ($map) { 2309 unless ($map) {
1611 # restore original map position 2310 # restore original map position
1625 # use -1 or undef as default coordinates, not 0, 0 2324 # use -1 or undef as default coordinates, not 0, 0
1626 ($x, $y) = ($map->enter_x, $map->enter_y) 2325 ($x, $y) = ($map->enter_x, $map->enter_y)
1627 if $x <=0 && $y <= 0; 2326 if $x <=0 && $y <= 0;
1628 2327
1629 $map->load; 2328 $map->load;
2329 $map->load_neighbours;
1630 2330
1631 return unless $self->contr->active; 2331 return unless $self->contr->active;
1632 $self->activate_recursive; 2332 $self->activate_recursive;
2333
2334 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633 $self->enter_map ($map, $x, $y); 2335 $self->enter_map ($map, $x, $y);
1634} 2336}
1635 2337
1636cf::player->attach ( 2338=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1637 on_logout => sub {
1638 my ($pl) = @_;
1639 2339
1640 # abort map switching before logout 2340Moves the player to the given map-path and coordinates by first freezing
1641 if ($pl->ob->{_link_pos}) { 2341her, loading and preparing them map, calling the provided $check callback
1642 cf::sync_job { 2342that has to return the map if sucecssful, and then unfreezes the player on
1643 $pl->ob->leave_link 2343the new (success) or old (failed) map position. In either case, $done will
1644 }; 2344be called at the end of this process.
1645 }
1646 },
1647 on_login => sub {
1648 my ($pl) = @_;
1649 2345
1650 # try to abort aborted map switching on player login :)
1651 # should happen only on crashes
1652 if ($pl->ob->{_link_pos}) {
1653 $pl->ob->enter_link;
1654 (async {
1655 # we need this sleep as the login has a concurrent enter_exit running
1656 # and this sleep increases chances of the player not ending up in scorn
1657 $pl->ob->reply (undef,
1658 "There was an internal problem at your last logout, "
1659 . "the server will try to bring you to your intended destination in a second.",
1660 cf::NDI_RED);
1661 Coro::Timer::sleep 1;
1662 $pl->ob->leave_link;
1663 })->prio (2);
1664 }
1665 },
1666);
1667
1668=item $player_object->goto ($path, $x, $y)
1669
1670=cut 2346=cut
2347
2348our $GOTOGEN;
1671 2349
1672sub cf::object::player::goto { 2350sub cf::object::player::goto {
1673 my ($self, $path, $x, $y) = @_; 2351 my ($self, $path, $x, $y, $check, $done) = @_;
2352
2353 # do generation counting so two concurrent goto's will be executed in-order
2354 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1674 2355
1675 $self->enter_link; 2356 $self->enter_link;
1676 2357
1677 (async { 2358 (async {
1678 $path = new cf::path $path; 2359 my $map = eval {
1679
1680 my $map = cf::map::find $path->as_string; 2360 my $map = cf::map::find $path;
2361
2362 if ($map) {
1681 $map = $map->customise_for ($self) if $map; 2363 $map = $map->customise_for ($self);
1682 2364 $map = $check->($map) if $check && $map;
1683# warn "entering ", $map->path, " at ($x, $y)\n" 2365 } else {
1684# if $map;
1685
1686 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2366 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2367 }
1687 2368
2369 $map
2370 };
2371
2372 if ($@) {
2373 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2374 LOG llevError | logBacktrace, Carp::longmess $@;
2375 }
2376
2377 if ($gen == $self->{_goto_generation}) {
2378 delete $self->{_goto_generation};
1688 $self->leave_link ($map, $x, $y); 2379 $self->leave_link ($map, $x, $y);
2380 }
2381
2382 $done->() if $done;
1689 })->prio (1); 2383 })->prio (1);
1690} 2384}
1691 2385
1692=item $player_object->enter_exit ($exit_object) 2386=item $player_object->enter_exit ($exit_object)
1693 2387
1695 2389
1696sub parse_random_map_params { 2390sub parse_random_map_params {
1697 my ($spec) = @_; 2391 my ($spec) = @_;
1698 2392
1699 my $rmp = { # defaults 2393 my $rmp = { # defaults
1700 xsize => 10, 2394 xsize => (cf::rndm 15, 40),
1701 ysize => 10, 2395 ysize => (cf::rndm 15, 40),
2396 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2397 #layout => string,
1702 }; 2398 };
1703 2399
1704 for (split /\n/, $spec) { 2400 for (split /\n/, $spec) {
1705 my ($k, $v) = split /\s+/, $_, 2; 2401 my ($k, $v) = split /\s+/, $_, 2;
1706 2402
1710 $rmp 2406 $rmp
1711} 2407}
1712 2408
1713sub prepare_random_map { 2409sub prepare_random_map {
1714 my ($exit) = @_; 2410 my ($exit) = @_;
2411
2412 my $guard = cf::lock_acquire "exit_prepare:$exit";
1715 2413
1716 # all this does is basically replace the /! path by 2414 # all this does is basically replace the /! path by
1717 # a new random map path (?random/...) with a seed 2415 # a new random map path (?random/...) with a seed
1718 # that depends on the exit object 2416 # that depends on the exit object
1719 2417
1720 my $rmp = parse_random_map_params $exit->msg; 2418 my $rmp = parse_random_map_params $exit->msg;
1721 2419
1722 if ($exit->map) { 2420 if ($exit->map) {
1723 $rmp->{region} = $exit->map->region_name; 2421 $rmp->{region} = $exit->region->name;
1724 $rmp->{origin_map} = $exit->map->path; 2422 $rmp->{origin_map} = $exit->map->path;
1725 $rmp->{origin_x} = $exit->x; 2423 $rmp->{origin_x} = $exit->x;
1726 $rmp->{origin_y} = $exit->y; 2424 $rmp->{origin_y} = $exit->y;
1727 } 2425 }
1728 2426
1729 $rmp->{random_seed} ||= $exit->random_seed; 2427 $rmp->{random_seed} ||= $exit->random_seed;
1730 2428
1731 my $data = cf::to_json $rmp; 2429 my $data = cf::to_json $rmp;
1732 my $md5 = Digest::MD5::md5_hex $data; 2430 my $md5 = Digest::MD5::md5_hex $data;
2431 my $meta = "$RANDOMDIR/$md5.meta";
1733 2432
1734 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2433 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735 aio_write $fh, 0, (length $data), $data, 0; 2434 aio_write $fh, 0, (length $data), $data, 0;
2435 undef $fh;
2436 aio_rename "$meta~", $meta;
1736 2437
1737 $exit->slaying ("?random/$md5"); 2438 $exit->slaying ("?random/$md5");
1738 $exit->msg (undef); 2439 $exit->msg (undef);
1739 } 2440 }
1740} 2441}
1742sub cf::object::player::enter_exit { 2443sub cf::object::player::enter_exit {
1743 my ($self, $exit) = @_; 2444 my ($self, $exit) = @_;
1744 2445
1745 return unless $self->type == cf::PLAYER; 2446 return unless $self->type == cf::PLAYER;
1746 2447
2448 if ($exit->slaying eq "/!") {
2449 #TODO: this should de-fi-ni-te-ly not be a sync-job
2450 # the problem is that $exit might not survive long enough
2451 # so it needs to be done right now, right here
2452 cf::sync_job { prepare_random_map $exit };
2453 }
2454
2455 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456 my $hp = $exit->stats->hp;
2457 my $sp = $exit->stats->sp;
2458
1747 $self->enter_link; 2459 $self->enter_link;
2460
2461 # if exit is damned, update players death & WoR home-position
2462 $self->contr->savebed ($slaying, $hp, $sp)
2463 if $exit->flag (FLAG_DAMNED);
1748 2464
1749 (async { 2465 (async {
1750 $self->deactivate_recursive; # just to be sure 2466 $self->deactivate_recursive; # just to be sure
1751 unless (eval { 2467 unless (eval {
1752 prepare_random_map $exit 2468 $self->goto ($slaying, $hp, $sp);
1753 if $exit->slaying eq "/!";
1754
1755 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757 2469
1758 1; 2470 1;
1759 }) { 2471 }) {
1760 $self->message ("Something went wrong deep within the crossfire server. " 2472 $self->message ("Something went wrong deep within the crossfire server. "
1761 . "I'll try to bring you back to the map you were before. " 2473 . "I'll try to bring you back to the map you were before. "
1762 . "Please report this to the dungeon master", 2474 . "Please report this to the dungeon master!",
1763 cf::NDI_UNIQUE | cf::NDI_RED); 2475 cf::NDI_UNIQUE | cf::NDI_RED);
1764 2476
1765 warn "ERROR in enter_exit: $@"; 2477 warn "ERROR in enter_exit: $@";
1766 $self->leave_link; 2478 $self->leave_link;
1767 } 2479 }
1768 })->prio (1); 2480 })->prio (1);
1781 2493
1782sub cf::client::send_drawinfo { 2494sub cf::client::send_drawinfo {
1783 my ($self, $text, $flags) = @_; 2495 my ($self, $text, $flags) = @_;
1784 2496
1785 utf8::encode $text; 2497 utf8::encode $text;
1786 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2498 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787} 2499}
1788 2500
2501=item $client->send_msg ($channel, $msg, $color, [extra...])
2502
2503Send a drawinfo or msg packet to the client, formatting the msg for the
2504client if neccessary. C<$type> should be a string identifying the type of
2505the message, with C<log> being the default. If C<$color> is negative, suppress
2506the message unless the client supports the msg packet.
2507
2508=cut
2509
2510our %CHANNEL = (
2511 "c/identify" => {
2512 id => "identify",
2513 title => "Identify",
2514 reply => undef,
2515 tooltip => "Items recently identified",
2516 },
2517 "c/examine" => {
2518 id => "examine",
2519 title => "Examine",
2520 reply => undef,
2521 tooltip => "Signs and other items you examined",
2522 },
2523);
2524
2525sub cf::client::send_msg {
2526 my ($self, $channel, $msg, $color, @extra) = @_;
2527
2528 $msg = $self->pl->expand_cfpod ($msg);
2529
2530 $color &= cf::NDI_CLIENT_MASK; # just in case...
2531
2532 # check predefined channels, for the benefit of C
2533 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2534
2535 if (ref $channel) {
2536 # send meta info to client, if not yet sent
2537 unless (exists $self->{channel}{$channel->{id}}) {
2538 $self->{channel}{$channel->{id}} = $channel;
2539 $self->ext_msg (channel_info => $channel)
2540 if $self->can_msg;
2541 }
2542
2543 $channel = $channel->{id};
2544 }
2545
2546 return unless @extra || length $msg;
2547
2548 if ($self->can_msg) {
2549 # default colour, mask it out
2550 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2551 if $color & cf::NDI_DEF;
2552
2553 $self->send_packet ("msg " . $self->{json_coder}->encode (
2554 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2555 } else {
2556 if ($color >= 0) {
2557 # replace some tags by gcfclient-compatible ones
2558 for ($msg) {
2559 1 while
2560 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2561 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2562 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2563 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2564 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2565 }
2566
2567 $color &= cf::NDI_COLOR_MASK;
2568
2569 utf8::encode $msg;
2570
2571 if (0 && $msg =~ /\[/) {
2572 # COMMAND/INFO
2573 $self->send_packet ("drawextinfo $color 10 8 $msg")
2574 } else {
2575 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2576 $self->send_packet ("drawinfo $color $msg")
2577 }
2578 }
2579 }
2580}
2581
2582=item $client->ext_msg ($type, @msg)
2583
2584Sends an ext event to the client.
2585
2586=cut
2587
2588sub cf::client::ext_msg($$@) {
2589 my ($self, $type, @msg) = @_;
2590
2591 if ($self->extcmd == 2) {
2592 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2593 } elsif ($self->extcmd == 1) { # TODO: remove
2594 push @msg, msgtype => "event_$type";
2595 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2596 }
2597}
2598
2599=item $client->ext_reply ($msgid, @msg)
2600
2601Sends an ext reply to the client.
2602
2603=cut
2604
2605sub cf::client::ext_reply($$@) {
2606 my ($self, $id, @msg) = @_;
2607
2608 if ($self->extcmd == 2) {
2609 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2610 } elsif ($self->extcmd == 1) {
2611 #TODO: version 1, remove
2612 unshift @msg, msgtype => "reply", msgid => $id;
2613 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2614 }
2615}
1789 2616
1790=item $success = $client->query ($flags, "text", \&cb) 2617=item $success = $client->query ($flags, "text", \&cb)
1791 2618
1792Queues a query to the client, calling the given callback with 2619Queues a query to the client, calling the given callback with
1793the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2620the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1794C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2621C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1795 2622
1796Queries can fail, so check the return code. Or don't, as queries will become 2623Queries can fail, so check the return code. Or don't, as queries will
1797reliable at some point in the future. 2624become reliable at some point in the future.
1798 2625
1799=cut 2626=cut
1800 2627
1801sub cf::client::query { 2628sub cf::client::query {
1802 my ($self, $flags, $text, $cb) = @_; 2629 my ($self, $flags, $text, $cb) = @_;
1810 utf8::encode $text; 2637 utf8::encode $text;
1811 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2638 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1812 2639
1813 $self->send_packet ($self->{query_queue}[0][0]) 2640 $self->send_packet ($self->{query_queue}[0][0])
1814 if @{ $self->{query_queue} } == 1; 2641 if @{ $self->{query_queue} } == 1;
2642
2643 1
1815} 2644}
1816 2645
1817cf::client->attach ( 2646cf::client->attach (
2647 on_connect => sub {
2648 my ($ns) = @_;
2649
2650 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2651 },
1818 on_reply => sub { 2652 on_reply => sub {
1819 my ($ns, $msg) = @_; 2653 my ($ns, $msg) = @_;
1820 2654
1821 # this weird shuffling is so that direct followup queries 2655 # this weird shuffling is so that direct followup queries
1822 # get handled first 2656 # get handled first
1823 my $queue = delete $ns->{query_queue} 2657 my $queue = delete $ns->{query_queue}
1824 or return; # be conservative, not sure how that can happen, but we saw a crash here 2658 or return; # be conservative, not sure how that can happen, but we saw a crash here
1825 2659
1826 (shift @$queue)->[1]->($msg); 2660 (shift @$queue)->[1]->($msg);
2661 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827 2662
1828 push @{ $ns->{query_queue} }, @$queue; 2663 push @{ $ns->{query_queue} }, @$queue;
1829 2664
1830 if (@{ $ns->{query_queue} } == @$queue) { 2665 if (@{ $ns->{query_queue} } == @$queue) {
1831 if (@$queue) { 2666 if (@$queue) {
1833 } else { 2668 } else {
1834 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2669 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1835 } 2670 }
1836 } 2671 }
1837 }, 2672 },
2673 on_exticmd => sub {
2674 my ($ns, $buf) = @_;
2675
2676 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2677
2678 if (ref $msg) {
2679 my ($type, $reply, @payload) =
2680 "ARRAY" eq ref $msg
2681 ? @$msg
2682 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2683
2684 my @reply;
2685
2686 if (my $cb = $EXTICMD{$type}) {
2687 @reply = $cb->($ns, @payload);
2688 }
2689
2690 $ns->ext_reply ($reply, @reply)
2691 if $reply;
2692
2693 } else {
2694 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2695 }
2696
2697 cf::override;
2698 },
1838); 2699);
1839 2700
1840=item $client->async (\&cb) 2701=item $client->async (\&cb)
1841 2702
1842Create a new coroutine, running the specified callback. The coroutine will 2703Create a new coroutine, running the specified callback. The coroutine will
1883our $safe = new Safe "safe"; 2744our $safe = new Safe "safe";
1884our $safe_hole = new Safe::Hole; 2745our $safe_hole = new Safe::Hole;
1885 2746
1886$SIG{FPE} = 'IGNORE'; 2747$SIG{FPE} = 'IGNORE';
1887 2748
1888$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2749$safe->permit_only (Opcode::opset qw(
2750 :base_core :base_mem :base_orig :base_math
2751 grepstart grepwhile mapstart mapwhile
2752 sort time
2753));
1889 2754
1890# here we export the classes and methods available to script code 2755# here we export the classes and methods available to script code
1891 2756
1892=pod 2757=pod
1893 2758
1894The following fucntions and emthods are available within a safe environment: 2759The following functions and methods are available within a safe environment:
1895 2760
1896 cf::object contr pay_amount pay_player map 2761 cf::object
2762 contr pay_amount pay_player map x y force_find force_add
2763 insert remove name archname title slaying race decrease_ob_nr
2764
1897 cf::object::player player 2765 cf::object::player
1898 cf::player peaceful 2766 player
1899 cf::map trigger 2767
2768 cf::player
2769 peaceful
2770
2771 cf::map
2772 trigger
1900 2773
1901=cut 2774=cut
1902 2775
1903for ( 2776for (
1904 ["cf::object" => qw(contr pay_amount pay_player map)], 2777 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2778 insert remove inv name archname title slaying race
2779 decrease_ob_nr)],
1905 ["cf::object::player" => qw(player)], 2780 ["cf::object::player" => qw(player)],
1906 ["cf::player" => qw(peaceful)], 2781 ["cf::player" => qw(peaceful)],
1907 ["cf::map" => qw(trigger)], 2782 ["cf::map" => qw(trigger)],
1908) { 2783) {
1909 no strict 'refs'; 2784 no strict 'refs';
1980=back 2855=back
1981 2856
1982=cut 2857=cut
1983 2858
1984############################################################################# 2859#############################################################################
2860# the server's init and main functions
1985 2861
1986=head2 EXTENSION DATABASE SUPPORT 2862sub load_facedata($) {
2863 my ($path) = @_;
1987 2864
1988Crossfire maintains a very simple database for extension use. It can 2865 # HACK to clear player env face cache, we need some signal framework
1989currently store anything that can be serialised using Storable, which 2866 # for this (global event?)
1990excludes objects. 2867 %ext::player_env::MUSIC_FACE_CACHE = ();
1991 2868
1992The parameter C<$family> should best start with the name of the extension 2869 my $enc = JSON::XS->new->utf8->canonical->relaxed;
1993using it, it should be unique.
1994 2870
1995=over 4 2871 warn "loading facedata from $path\n";
1996 2872
1997=item $hashref = cf::db_get $family 2873 my $facedata;
2874 0 < aio_load $path, $facedata
2875 or die "$path: $!";
1998 2876
1999Return a hashref for use by the extension C<$family>, which can be 2877 $facedata = Coro::Storable::thaw $facedata;
2000modified. After modifications, you have to call C<cf::db_dirty> or
2001C<cf::db_sync>.
2002 2878
2003=item $value = cf::db_get $family => $key 2879 $facedata->{version} == 2
2880 or cf::cleanup "$path: version mismatch, cannot proceed.";
2004 2881
2005Returns a single value from the database 2882 # patch in the exptable
2006 2883 $facedata->{resource}{"res/exp_table"} = {
2007=item cf::db_put $family => $hashref 2884 type => FT_RSRC,
2008 2885 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2009Stores the given family hashref into the database. Updates are delayed, if
2010you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011
2012=item cf::db_put $family => $key => $value
2013
2014Stores the given C<$value> in the family hash. Updates are delayed, if you
2015want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017=item cf::db_dirty
2018
2019Marks the database as dirty, to be updated at a later time.
2020
2021=item cf::db_sync
2022
2023Immediately write the database to disk I<if it is dirty>.
2024
2025=cut
2026
2027our $DB;
2028
2029{
2030 my $path = cf::localdir . "/database.pst";
2031
2032 sub db_load() {
2033 $DB = stat $path ? Storable::retrieve $path : { };
2034 }
2035
2036 my $pid;
2037
2038 sub db_save() {
2039 waitpid $pid, 0 if $pid;
2040 if (0 == ($pid = fork)) {
2041 $DB->{_meta}{version} = 1;
2042 Storable::nstore $DB, "$path~";
2043 rename "$path~", $path;
2044 cf::_exit 0 if defined $pid;
2045 }
2046 }
2047
2048 my $dirty;
2049
2050 sub db_sync() {
2051 db_save if $dirty;
2052 undef $dirty;
2053 }
2054
2055 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056 db_sync;
2057 }); 2886 };
2887 cf::cede_to_tick;
2058 2888
2059 sub db_dirty() {
2060 $dirty = 1;
2061 $idle->start;
2062 } 2889 {
2890 my $faces = $facedata->{faceinfo};
2063 2891
2064 sub db_get($;$) { 2892 while (my ($face, $info) = each %$faces) {
2065 @_ >= 2 2893 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2066 ? $DB->{$_[0]}{$_[1]} 2894 cf::face::set_visibility $idx, $info->{visibility};
2067 : ($DB->{$_[0]} ||= { }) 2895 cf::face::set_magicmap $idx, $info->{magicmap};
2068 } 2896 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2897 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2069 2898
2070 sub db_put($$;$) { 2899 cf::cede_to_tick;
2071 if (@_ >= 3) {
2072 $DB->{$_[0]}{$_[1]} = $_[2];
2073 } else {
2074 $DB->{$_[0]} = $_[1];
2075 }
2076 db_dirty;
2077 }
2078
2079 cf::global->attach (
2080 prio => 10000,
2081 on_cleanup => sub {
2082 db_sync;
2083 }, 2900 }
2084 );
2085}
2086 2901
2087############################################################################# 2902 while (my ($face, $info) = each %$faces) {
2088# the server's main() 2903 next unless $info->{smooth};
2904 my $idx = cf::face::find $face
2905 or next;
2906 if (my $smooth = cf::face::find $info->{smooth}) {
2907 cf::face::set_smooth $idx, $smooth;
2908 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909 } else {
2910 warn "smooth face '$info->{smooth}' not found for face '$face'";
2911 }
2089 2912
2090sub cfg_load { 2913 cf::cede_to_tick;
2914 }
2915 }
2916
2917 {
2918 my $anims = $facedata->{animinfo};
2919
2920 while (my ($anim, $info) = each %$anims) {
2921 cf::anim::set $anim, $info->{frames}, $info->{facings};
2922 cf::cede_to_tick;
2923 }
2924
2925 cf::anim::invalidate_all; # d'oh
2926 }
2927
2928 {
2929 # TODO: for gcfclient pleasure, we should give resources
2930 # that gcfclient doesn't grok a >10000 face index.
2931 my $res = $facedata->{resource};
2932
2933 my $soundconf = delete $res->{"res/sound.conf"};
2934
2935 while (my ($name, $info) = each %$res) {
2936 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937 my $data;
2938
2939 if ($info->{type} & 1) {
2940 # prepend meta info
2941
2942 my $meta = $enc->encode ({
2943 name => $name,
2944 %{ $info->{meta} || {} },
2945 });
2946
2947 $data = pack "(w/a*)*", $meta, $info->{data};
2948 } else {
2949 $data = $info->{data};
2950 }
2951
2952 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953 cf::face::set_type $idx, $info->{type};
2954
2955 cf::cede_to_tick;
2956 }
2957
2958 if ($soundconf) {
2959 $soundconf = $enc->decode (delete $soundconf->{data});
2960
2961 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962 my $sound = $soundconf->{compat}[$_]
2963 or next;
2964
2965 my $face = cf::face::find "sound/$sound->[1]";
2966 cf::sound::set $sound->[0] => $face;
2967 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968 }
2969
2970 while (my ($k, $v) = each %{$soundconf->{event}}) {
2971 my $face = cf::face::find "sound/$v";
2972 cf::sound::set $k => $face;
2973 }
2974 }
2975 }
2976
2977 1
2978}
2979
2980register_exticmd fx_want => sub {
2981 my ($ns, $want) = @_;
2982
2983 while (my ($k, $v) = each %$want) {
2984 $ns->fx_want ($k, $v);
2985 }
2986};
2987
2988sub reload_regions {
2989 # HACK to clear player env face cache, we need some signal framework
2990 # for this (global event?)
2991 %ext::player_env::MUSIC_FACE_CACHE = ();
2992
2993 load_resource_file "$MAPDIR/regions"
2994 or die "unable to load regions file\n";
2995
2996 for (cf::region::list) {
2997 $_->{match} = qr/$_->{match}/
2998 if exists $_->{match};
2999 }
3000}
3001
3002sub reload_facedata {
3003 load_facedata "$DATADIR/facedata"
3004 or die "unable to load facedata\n";
3005}
3006
3007sub reload_archetypes {
3008 load_resource_file "$DATADIR/archetypes"
3009 or die "unable to load archetypes\n";
3010 #d# NEED to laod twice to resolve forward references
3011 # this really needs to be done in an extra post-pass
3012 # (which needs to be synchronous, so solve it differently)
3013 load_resource_file "$DATADIR/archetypes"
3014 or die "unable to load archetypes\n";
3015}
3016
3017sub reload_treasures {
3018 load_resource_file "$DATADIR/treasures"
3019 or die "unable to load treasurelists\n";
3020}
3021
3022sub reload_resources {
3023 warn "reloading resource files...\n";
3024
3025 reload_regions;
3026 reload_facedata;
3027 #reload_archetypes;#d#
3028 reload_archetypes;
3029 reload_treasures;
3030
3031 warn "finished reloading resource files\n";
3032}
3033
3034sub init {
3035 reload_resources;
3036}
3037
3038sub reload_config {
2091 open my $fh, "<:utf8", cf::confdir . "/config" 3039 open my $fh, "<:utf8", "$CONFDIR/config"
2092 or return; 3040 or return;
2093 3041
2094 local $/; 3042 local $/;
2095 *CFG = YAML::Syck::Load <$fh>; 3043 *CFG = YAML::Syck::Load <$fh>;
2096 3044
2110 3058
2111sub main { 3059sub main {
2112 # we must not ever block the main coroutine 3060 # we must not ever block the main coroutine
2113 local $Coro::idle = sub { 3061 local $Coro::idle = sub {
2114 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3062 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3063 (async {
2115 async { Event::one_event }; 3064 Event::one_event;
3065 })->prio (Coro::PRIO_MAX);
2116 }; 3066 };
2117 3067
2118 cfg_load; 3068 reload_config;
2119 db_load; 3069 db_init;
2120 load_extensions; 3070 load_extensions;
3071
3072 $TICK_WATCHER->start;
2121 Event::loop; 3073 Event::loop;
2122} 3074}
2123 3075
2124############################################################################# 3076#############################################################################
2125# initialisation 3077# initialisation and cleanup
2126 3078
3079# install some emergency cleanup handlers
3080BEGIN {
3081 for my $signal (qw(INT HUP TERM)) {
3082 Event->signal (
3083 reentrant => 0,
3084 data => WF_AUTOCANCEL,
3085 signal => $signal,
3086 prio => 0,
3087 cb => sub {
3088 cf::cleanup "SIG$signal";
3089 },
3090 );
3091 }
3092}
3093
3094sub write_runtime {
3095 my $runtime = "$LOCALDIR/runtime";
3096
3097 # first touch the runtime file to show we are still running:
3098 # the fsync below can take a very very long time.
3099
3100 IO::AIO::aio_utime $runtime, undef, undef;
3101
3102 my $guard = cf::lock_acquire "write_runtime";
3103
3104 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3105 or return;
3106
3107 my $value = $cf::RUNTIME + 90 + 10;
3108 # 10 is the runtime save interval, for a monotonic clock
3109 # 60 allows for the watchdog to kill the server.
3110
3111 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3112 and return;
3113
3114 # always fsync - this file is important
3115 aio_fsync $fh
3116 and return;
3117
3118 # touch it again to show we are up-to-date
3119 aio_utime $fh, undef, undef;
3120
3121 close $fh
3122 or return;
3123
3124 aio_rename "$runtime~", $runtime
3125 and return;
3126
3127 warn "runtime file written.\n";
3128
3129 1
3130}
3131
3132sub emergency_save() {
3133 my $freeze_guard = cf::freeze_mainloop;
3134
3135 warn "enter emergency perl save\n";
3136
3137 cf::sync_job {
3138 # use a peculiar iteration method to avoid tripping on perl
3139 # refcount bugs in for. also avoids problems with players
3140 # and maps saved/destroyed asynchronously.
3141 warn "begin emergency player save\n";
3142 for my $login (keys %cf::PLAYER) {
3143 my $pl = $cf::PLAYER{$login} or next;
3144 $pl->valid or next;
3145 $pl->save;
3146 }
3147 warn "end emergency player save\n";
3148
3149 warn "begin emergency map save\n";
3150 for my $path (keys %cf::MAP) {
3151 my $map = $cf::MAP{$path} or next;
3152 $map->valid or next;
3153 $map->save;
3154 }
3155 warn "end emergency map save\n";
3156
3157 warn "begin emergency database checkpoint\n";
3158 BDB::db_env_txn_checkpoint $DB_ENV;
3159 warn "end emergency database checkpoint\n";
3160 };
3161
3162 warn "leave emergency perl save\n";
3163}
3164
3165sub post_cleanup {
3166 my ($make_core) = @_;
3167
3168 warn Carp::longmess "post_cleanup backtrace"
3169 if $make_core;
3170}
3171
2127sub reload() { 3172sub do_reload_perl() {
2128 # can/must only be called in main 3173 # can/must only be called in main
2129 if ($Coro::current != $Coro::main) { 3174 if ($Coro::current != $Coro::main) {
2130 warn "can only reload from main coroutine\n"; 3175 warn "can only reload from main coroutine";
2131 return; 3176 return;
2132 } 3177 }
2133 3178
2134 warn "reloading..."; 3179 warn "reloading...";
2135 3180
2136 my $guard = freeze_mainloop; 3181 warn "entering sync_job";
3182
3183 cf::sync_job {
3184 cf::write_runtime; # external watchdog should not bark
2137 cf::emergency_save; 3185 cf::emergency_save;
3186 cf::write_runtime; # external watchdog should not bark
2138 3187
2139 eval { 3188 warn "syncing database to disk";
3189 BDB::db_env_txn_checkpoint $DB_ENV;
3190
2140 # if anything goes wrong in here, we should simply crash as we already saved 3191 # if anything goes wrong in here, we should simply crash as we already saved
2141 3192
2142 # cancel all watchers 3193 warn "cancelling all WF_AUTOCANCEL watchers";
2143 for (Event::all_watchers) { 3194 for (Event::all_watchers) {
2144 $_->cancel if $_->data & WF_AUTOCANCEL; 3195 $_->cancel if $_->data & WF_AUTOCANCEL;
2145 } 3196 }
2146 3197
3198 warn "flushing outstanding aio requests";
3199 for (;;) {
3200 BDB::flush;
3201 IO::AIO::flush;
3202 Coro::cede;
3203 last unless IO::AIO::nreqs || BDB::nreqs;
3204 warn "iterate...";
3205 }
3206
3207 ++$RELOAD;
3208
2147 # cancel all extension coros 3209 warn "cancelling all extension coros";
2148 $_->cancel for values %EXT_CORO; 3210 $_->cancel for values %EXT_CORO;
2149 %EXT_CORO = (); 3211 %EXT_CORO = ();
2150 3212
2151 # unload all extensions 3213 warn "removing commands";
2152 for (@exts) { 3214 %COMMAND = ();
3215
3216 warn "removing ext/exti commands";
3217 %EXTCMD = ();
3218 %EXTICMD = ();
3219
3220 warn "unloading/nuking all extensions";
3221 for my $pkg (@EXTS) {
2153 warn "unloading <$_>"; 3222 warn "... unloading $pkg";
2154 unload_extension $_; 3223
3224 if (my $cb = $pkg->can ("unload")) {
3225 eval {
3226 $cb->($pkg);
3227 1
3228 } or warn "$pkg unloaded, but with errors: $@";
2155 } 3229 }
2156 3230
3231 warn "... nuking $pkg";
3232 Symbol::delete_package $pkg;
3233 }
3234
2157 # unload all modules loaded from $LIBDIR 3235 warn "unloading all perl modules loaded from $LIBDIR";
2158 while (my ($k, $v) = each %INC) { 3236 while (my ($k, $v) = each %INC) {
2159 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3237 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160 3238
2161 warn "removing <$k>"; 3239 warn "... unloading $k";
2162 delete $INC{$k}; 3240 delete $INC{$k};
2163 3241
2164 $k =~ s/\.pm$//; 3242 $k =~ s/\.pm$//;
2165 $k =~ s/\//::/g; 3243 $k =~ s/\//::/g;
2166 3244
2169 } 3247 }
2170 3248
2171 Symbol::delete_package $k; 3249 Symbol::delete_package $k;
2172 } 3250 }
2173 3251
2174 # sync database to disk
2175 cf::db_sync;
2176 IO::AIO::flush;
2177
2178 # get rid of safe::, as good as possible 3252 warn "getting rid of safe::, as good as possible";
2179 Symbol::delete_package "safe::$_" 3253 Symbol::delete_package "safe::$_"
2180 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3254 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181 3255
2182 # remove register_script_function callbacks
2183 # TODO
2184
2185 # unload cf.pm "a bit" 3256 warn "unloading cf.pm \"a bit\"";
2186 delete $INC{"cf.pm"}; 3257 delete $INC{"cf.pm"};
3258 delete $INC{"cf/pod.pm"};
2187 3259
2188 # don't, removes xs symbols, too, 3260 # don't, removes xs symbols, too,
2189 # and global variables created in xs 3261 # and global variables created in xs
2190 #Symbol::delete_package __PACKAGE__; 3262 #Symbol::delete_package __PACKAGE__;
2191 3263
2192 # reload cf.pm 3264 warn "unload completed, starting to reload now";
3265
2193 warn "reloading cf.pm"; 3266 warn "reloading cf.pm";
2194 require cf; 3267 require cf;
2195 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3268 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196 3269
2197 # load config and database again 3270 warn "loading config and database again";
2198 cf::cfg_load; 3271 cf::reload_config;
2199 cf::db_load;
2200 3272
2201 # load extensions
2202 warn "load extensions"; 3273 warn "loading extensions";
2203 cf::load_extensions; 3274 cf::load_extensions;
2204 3275
2205 # reattach attachments to objects 3276 warn "reattaching attachments to objects/players";
2206 warn "reattach"; 3277 _global_reattach; # objects, sockets
2207 _global_reattach; 3278 warn "reattaching attachments to maps";
2208 reattach $_ for values %MAP; 3279 reattach $_ for values %MAP;
2209 }; 3280 warn "reattaching attachments to players";
3281 reattach $_ for values %PLAYER;
2210 3282
2211 if ($@) { 3283 warn "leaving sync_job";
3284
3285 1
3286 } or do {
2212 warn $@; 3287 warn $@;
2213 warn "error while reloading, exiting."; 3288 warn "error while reloading, exiting.";
2214 exit 1; 3289 exit 1;
2215 } 3290 };
2216 3291
2217 warn "reloaded successfully"; 3292 warn "reloaded";
2218}; 3293};
2219 3294
2220############################################################################# 3295our $RELOAD_WATCHER; # used only during reload
2221 3296
2222unless ($LINK_MAP) { 3297sub reload_perl() {
2223 $LINK_MAP = cf::map::new; 3298 # doing reload synchronously and two reloads happen back-to-back,
3299 # coro crashes during coro_state_free->destroy here.
2224 3300
2225 $LINK_MAP->width (41); 3301 $RELOAD_WATCHER ||= Event->timer (
2226 $LINK_MAP->height (41); 3302 reentrant => 0,
2227 $LINK_MAP->alloc;
2228 $LINK_MAP->path ("{link}");
2229 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232 # dirty hack because... archetypes are not yet loaded
2233 Event->timer (
2234 after => 10, 3303 after => 0,
3304 data => WF_AUTOCANCEL,
2235 cb => sub { 3305 cb => sub {
2236 $_[0]->w->cancel; 3306 do_reload_perl;
2237 3307 undef $RELOAD_WATCHER;
2238 # provide some exits "home"
2239 my $exit = cf::object::new "exit";
2240
2241 $exit->slaying ($EMERGENCY_POSITION->[0]);
2242 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245 $LINK_MAP->insert ($exit->clone, 19, 19);
2246 $LINK_MAP->insert ($exit->clone, 19, 20);
2247 $LINK_MAP->insert ($exit->clone, 19, 21);
2248 $LINK_MAP->insert ($exit->clone, 20, 19);
2249 $LINK_MAP->insert ($exit->clone, 20, 21);
2250 $LINK_MAP->insert ($exit->clone, 21, 19);
2251 $LINK_MAP->insert ($exit->clone, 21, 20);
2252 $LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254 $exit->destroy;
2255 }); 3308 },
2256 3309 );
2257 $LINK_MAP->{deny_save} = 1;
2258 $LINK_MAP->{deny_reset} = 1;
2259
2260 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261} 3310}
2262
2263register "<global>", __PACKAGE__;
2264 3311
2265register_command "reload" => sub { 3312register_command "reload" => sub {
2266 my ($who, $arg) = @_; 3313 my ($who, $arg) = @_;
2267 3314
2268 if ($who->flag (FLAG_WIZ)) { 3315 if ($who->flag (FLAG_WIZ)) {
2269 $who->message ("start of reload.");
2270 reload;
2271 $who->message ("end of reload."); 3316 $who->message ("reloading server.");
3317 async { reload_perl };
2272 } 3318 }
2273}; 3319};
2274 3320
2275unshift @INC, $LIBDIR; 3321unshift @INC, $LIBDIR;
2276 3322
3323my $bug_warning = 0;
3324
3325our @WAIT_FOR_TICK;
3326our @WAIT_FOR_TICK_BEGIN;
3327
3328sub wait_for_tick {
3329 return unless $TICK_WATCHER->is_active;
3330 return if $Coro::current == $Coro::main;
3331
3332 my $signal = new Coro::Signal;
3333 push @WAIT_FOR_TICK, $signal;
3334 $signal->wait;
3335}
3336
3337sub wait_for_tick_begin {
3338 return unless $TICK_WATCHER->is_active;
3339 return if $Coro::current == $Coro::main;
3340
3341 my $signal = new Coro::Signal;
3342 push @WAIT_FOR_TICK_BEGIN, $signal;
3343 $signal->wait;
3344}
3345
3346 my $min = 1e6;#d#
3347 my $avg = 10;
2277$TICK_WATCHER = Event->timer ( 3348$TICK_WATCHER = Event->timer (
2278 reentrant => 0, 3349 reentrant => 0,
3350 parked => 1,
2279 prio => 0, 3351 prio => 0,
2280 at => $NEXT_TICK || $TICK, 3352 at => $NEXT_TICK || $TICK,
2281 data => WF_AUTOCANCEL, 3353 data => WF_AUTOCANCEL,
2282 cb => sub { 3354 cb => sub {
3355 if ($Coro::current != $Coro::main) {
3356 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357 unless ++$bug_warning > 10;
3358 return;
3359 }
3360
3361 $NOW = $tick_start = Event::time;
3362
2283 cf::server_tick; # one server iteration 3363 cf::server_tick; # one server iteration
3364
3365 0 && sync_job {#d#
3366 for(1..10) {
3367 my $t = Event::time;
3368 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3369 or die;
3370
3371 $map->width (50);
3372 $map->height (50);
3373 $map->alloc;
3374 $map->_load_objects ("/tmp/x.map", 1);
3375 my $t = Event::time - $t;
3376
3377 #next unless $t < 0.0013;#d#
3378 if ($t < $min) {
3379 $min = $t;
3380 }
3381 $avg = $avg * 0.99 + $t * 0.01;
3382 }
3383 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384 exit 0;
3385 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386 };
3387
2284 $RUNTIME += $TICK; 3388 $RUNTIME += $TICK;
2285 $NEXT_TICK += $TICK; 3389 $NEXT_TICK += $TICK;
2286 3390
3391 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392 $NEXT_RUNTIME_WRITE = $NOW + 10;
3393 Coro::async_pool {
3394 write_runtime
3395 or warn "ERROR: unable to write runtime file: $!";
3396 };
3397 }
3398
3399# my $AFTER = Event::time;
3400# warn $AFTER - $NOW;#d#
3401
3402 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403 $sig->send;
3404 }
3405 while (my $sig = shift @WAIT_FOR_TICK) {
3406 $sig->send;
3407 }
3408
3409 $NOW = Event::time;
3410
2287 # if we are delayed by four ticks or more, skip them all 3411 # if we are delayed by four ticks or more, skip them all
2288 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3412 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2289 3413
2290 $TICK_WATCHER->at ($NEXT_TICK); 3414 $TICK_WATCHER->at ($NEXT_TICK);
2291 $TICK_WATCHER->start; 3415 $TICK_WATCHER->start;
3416
3417 $LOAD = ($NOW - $tick_start) / $TICK;
3418 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419
3420 _post_tick;
3421
3422
2292 }, 3423 },
2293); 3424);
2294 3425
3426{
2295IO::AIO::max_poll_time $TICK * 0.2; 3427 BDB::max_poll_time $TICK * 0.1;
2296 3428 $BDB_POLL_WATCHER = Event->io (
2297Event->io ( 3429 reentrant => 0,
2298 fd => IO::AIO::poll_fileno, 3430 fd => BDB::poll_fileno,
2299 poll => 'r', 3431 poll => 'r',
2300 prio => 5, 3432 prio => 0,
2301 data => WF_AUTOCANCEL,
2302 cb => \&IO::AIO::poll_cb,
2303);
2304
2305Event->timer (
2306 data => WF_AUTOCANCEL, 3433 data => WF_AUTOCANCEL,
2307 after => 0, 3434 cb => \&BDB::poll_cb,
2308 interval => 10, 3435 );
2309 cb => sub { 3436 BDB::min_parallel 8;
2310 (Coro::unblock_sub { 3437
2311 write_runtime 3438 BDB::set_sync_prepare {
2312 or warn "ERROR: unable to write runtime file: $!"; 3439 my $status;
3440 my $current = $Coro::current;
3441 (
3442 sub {
3443 $status = $!;
3444 $current->ready; undef $current;
3445 },
3446 sub {
3447 Coro::schedule while defined $current;
3448 $! = $status;
3449 },
3450 )
3451 };
3452
3453 unless ($DB_ENV) {
3454 $DB_ENV = BDB::db_env_create;
3455
3456 cf::sync_job {
3457 eval {
3458 BDB::db_env_open
3459 $DB_ENV,
3460 $BDBDIR,
3461 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463 0666;
3464
3465 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468 $DB_ENV->set_lk_detect;
3469 };
3470
3471 cf::cleanup "db_env_open(db): $@" if $@;
2313 })->(); 3472 };
2314 }, 3473 }
2315); 3474}
3475
3476{
3477 IO::AIO::min_parallel 8;
3478
3479 undef $Coro::AIO::WATCHER;
3480 IO::AIO::max_poll_time $TICK * 0.1;
3481 $AIO_POLL_WATCHER = Event->io (
3482 reentrant => 0,
3483 data => WF_AUTOCANCEL,
3484 fd => IO::AIO::poll_fileno,
3485 poll => 'r',
3486 prio => 6,
3487 cb => \&IO::AIO::poll_cb,
3488 );
3489}
3490
3491my $_log_backtrace;
3492
3493sub _log_backtrace {
3494 my ($msg, @addr) = @_;
3495
3496 $msg =~ s/\n//;
3497
3498 # limit the # of concurrent backtraces
3499 if ($_log_backtrace < 2) {
3500 ++$_log_backtrace;
3501 async {
3502 my @bt = fork_call {
3503 @addr = map { sprintf "%x", $_ } @addr;
3504 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3506 or die "addr2line: $!";
3507
3508 my @funcs;
3509 my @res = <$fh>;
3510 chomp for @res;
3511 while (@res) {
3512 my ($func, $line) = splice @res, 0, 2, ();
3513 push @funcs, "[$func] $line";
3514 }
3515
3516 @funcs
3517 };
3518
3519 LOG llevInfo, "[ABT] $msg\n";
3520 LOG llevInfo, "[ABT] $_\n" for @bt;
3521 --$_log_backtrace;
3522 };
3523 } else {
3524 LOG llevInfo, "[ABT] $msg\n";
3525 LOG llevInfo, "[ABT] [suppressed]\n";
3526 }
3527}
3528
3529# load additional modules
3530use cf::pod;
2316 3531
2317END { cf::emergency_save } 3532END { cf::emergency_save }
2318 3533
23191 35341
2320 3535

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