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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.355 by root, Sun Sep 2 12:45:44 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 ();
20use Data::Dumper; 28use Data::Dumper;
21use Digest::MD5; 29use Digest::MD5;
22use Fcntl; 30use Fcntl;
31use YAML::Syck ();
23use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
26 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
27use 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
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 44
31# 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?
32$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
33 47
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
36our %COMMAND = (); 52our %COMMAND = ();
37our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
38 54
39our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
43 60
61our $RELOAD; # number of reloads so far
44our @EVENT; 62our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 63
47our $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(!)
48our $TICK_WATCHER; 77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 80our $NEXT_TICK;
50our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $DB_ENV;
51 86
52our %CFG; 87our %CFG;
53 88
54our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 90our $RUNTIME;
56 91
57our %PLAYER; # all users 92our %PLAYER; # all users
58our %MAP; # all maps 93our %MAP; # all maps
59our $LINK_MAP; # the special {link} map 94our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random";
61 95
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 96# used to convert map paths into valid unix filenames by replacing / by ∕
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 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 $tick_start; # for load detecting purposes
64 102
65binmode STDOUT; 103binmode STDOUT;
66binmode STDERR; 104binmode STDERR;
67 105
68# read virtual server time, if available 106# read virtual server time, if available
69unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
71 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
72 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
73} 111}
74 112
75mkdir cf::localdir; 113mkdir $_
76mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS;
80 115
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
117
118sub cf::map::normalise;
84 119
85############################################################################# 120#############################################################################
86 121
87=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
88 123
95=item $cf::RUNTIME 130=item $cf::RUNTIME
96 131
97The 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
98every server tick. 133every server tick.
99 134
100=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
101 138
102The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
103be 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.
104 143
105=item $cf::NOW 144=item $cf::NOW
106 145
107The time of the last (current) server tick. 146The time of the last (current) server tick.
108 147
109=item $cf::TICK 148=item $cf::TICK
110 149
111The 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.
112 161
113=item %cf::CFG 162=item %cf::CFG
114 163
115Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
116from wherever your confdir points to. 165from wherever your confdir points to.
117 166
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
119 168
120These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
122processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123window of cpu time available, or simply to synchronise to the server tick. 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.
124 178
125=back 179=back
126 180
127=cut 181=cut
128 182
129BEGIN { 183BEGIN {
130 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
131 my $msg = join "", @_; 185 my $msg = join "", @_;
132 utf8::encode $msg;
133 186
134 $msg .= "\n" 187 $msg .= "\n"
135 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
136 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
137 LOG llevError, $msg; 193 LOG llevError, $msg;
138 }; 194 };
139} 195}
140 196
141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145@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';
146@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)
147 204
148# 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
149# within the Safe compartment. 206# within the Safe compartment.
150for my $pkg (qw( 207for my $pkg (qw(
151 cf::global cf::attachable 208 cf::global cf::attachable
159} 216}
160 217
161$Event::DIED = sub { 218$Event::DIED = sub {
162 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
163}; 220};
221
222#############################################################################
164 223
165=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
166 225
167=over 4 226=over 4
168 227
187 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188 $d 247 $d
189 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
190} 249}
191 250
192use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
195 252
196Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
197 254
198=cut
199
200sub from_json($) {
201 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202 JSON::Syck::Load $_[0]
203}
204
205=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
206 256
207Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
208 258
209=cut 259=cut
210 260
211sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
213 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
214} 264sub from_json ($) { $json_coder->decode ($_[0]) }
215 265
216=item cf::lock_wait $string 266=item cf::lock_wait $string
217 267
218Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
219 269
222Wait 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
223a 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,
224for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
225returned. 275returned.
226 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
227Lock 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
228uses 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.
229 286
230=cut 287=cut
231 288
232our %LOCK; 289our %LOCK;
233 290
253 # wake up all waiters, to be on the safe side 310 # wake up all waiters, to be on the safe side
254 $_->ready for @{ delete $LOCK{$key} }; 311 $_->ready for @{ delete $LOCK{$key} };
255 } 312 }
256} 313}
257 314
315sub lock_active($) {
316 my ($key) = @_;
317
318 ! ! $LOCK{$key}
319}
320
258sub freeze_mainloop { 321sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 322 return unless $TICK_WATCHER->is_active;
260 323
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 324 my $guard = Coro::guard {
325 $TICK_WATCHER->start;
326 };
262 $TICK_WATCHER->stop; 327 $TICK_WATCHER->stop;
263 $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;
264} 385}
265 386
266=item cf::async { BLOCK } 387=item cf::async { BLOCK }
267 388
268Currently the same as Coro::async_pool, meaning you cannot use 389Currently the same as Coro::async_pool, meaning you cannot use
273 394
274BEGIN { *async = \&Coro::async_pool } 395BEGIN { *async = \&Coro::async_pool }
275 396
276=item cf::sync_job { BLOCK } 397=item cf::sync_job { BLOCK }
277 398
278The design of crossfire+ requires that the main coro ($Coro::main) is 399The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279always able to handle events or runnable, as crossfire+ is only partly 400is always able to handle events or runnable, as Crossfire TRT is only
280reentrant. 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.
281 403
282If 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
283the given BLOCK in another coroutine while waiting for the result. The 405the given BLOCK in another coroutine while waiting for the result. The
284server 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
285fast or be very important. 407fast or be very important.
288 410
289sub sync_job(&) { 411sub sync_job(&) {
290 my ($job) = @_; 412 my ($job) = @_;
291 413
292 if ($Coro::current == $Coro::main) { 414 if ($Coro::current == $Coro::main) {
415 my $time = Event::time;
416
293 # this is the main coro, too bad, we have to block 417 # this is the main coro, too bad, we have to block
294 # till the operation succeeds, freezing the server :/ 418 # till the operation succeeds, freezing the server :/
295 419
296 # TODO: use suspend/resume instead 420 # TODO: use suspend/resume instead
297 # (but this is cancel-safe) 421 # (but this is cancel-safe)
308 432
309 while ($busy) { 433 while ($busy) {
310 Coro::cede or Event::one_event; 434 Coro::cede or Event::one_event;
311 } 435 }
312 436
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
313 wantarray ? @res : $res[0] 444 wantarray ? @res : $res[0]
314 } else { 445 } else {
315 # we are in another coroutine, how wonderful, everything just works 446 # we are in another coroutine, how wonderful, everything just works
316 447
317 $job->() 448 $job->()
336 $EXT_CORO{$coro+0} = $coro; 467 $EXT_CORO{$coro+0} = $coro;
337 468
338 $coro 469 $coro
339} 470}
340 471
341sub write_runtime { 472=item fork_call { }, $args
342 my $runtime = cf::localdir . "/runtime";
343 473
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 474Executes the given code block with the given arguments in a seperate
345 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.
346 478
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 479=cut
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return;
350 480
351 aio_fsync $fh 481sub fork_call(&@) {
352 and return; 482 my ($cb, @args) = @_;
353 483
354 close $fh 484 # we seemingly have to make a local copy of the whole thing,
355 or return; 485 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (likely this will be rather laborious)
356 487
357 aio_rename "$runtime~", $runtime 488 my @res = Coro::Util::fork_eval {
358 and return; 489 reset_signals;
490 &$cb
491 }, @args;
359 492
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 };
360 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 });
361} 621}
362 622
363=back 623=back
364 624
365=cut 625=cut
366
367#############################################################################
368
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477 $path
478}
479
480# the original (read-only) location
481sub load_path {
482 my ($self) = @_;
483
484 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485}
486
487# the temporary/swap location
488sub save_path {
489 my ($self) = @_;
490
491 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494}
495
496# the unique path, undef == no special unique path
497sub uniq_path {
498 my ($self) = @_;
499
500 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501}
502
503# this is somewhat ugly, but style maps do need special treatment
504sub is_style_map {
505 $_[0]{path} =~ m{^/styles/}
506}
507
508sub load_orig {
509 my ($self) = @_;
510
511 &cf::map::load_map_header ($self->load_path)
512}
513
514sub load_temp {
515 my ($self) = @_;
516
517 &cf::map::load_map_header ($self->save_path)
518}
519
520package cf;
521 626
522############################################################################# 627#############################################################################
523 628
524=head2 ATTACHABLE OBJECTS 629=head2 ATTACHABLE OBJECTS
525 630
527attach callbacks/event handlers (a collection of which is called an "attachment") 632attach callbacks/event handlers (a collection of which is called an "attachment")
528to it. All such attachable objects support the following methods. 633to it. All such attachable objects support the following methods.
529 634
530In 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>
531C<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
532crossfire+). 637Crossfire TRT).
533 638
534=over 4 639=over 4
535 640
536=item $attachable->attach ($attachment, key => $value...) 641=item $attachable->attach ($attachment, key => $value...)
537 642
651our @CB_TYPE = (); # registry for type (cf-object class) based events 756our @CB_TYPE = (); # registry for type (cf-object class) based events
652our @CB_MAP = (); 757our @CB_MAP = ();
653 758
654my %attachment; 759my %attachment;
655 760
761sub cf::attachable::thawer_merge {
762 # simply override everything except _meta
763 local $_[0]{_meta};
764 %{$_[0]} = %{$_[1]};
765}
766
656sub _attach_cb($$$$) { 767sub _attach_cb($$$$) {
657 my ($registry, $event, $prio, $cb) = @_; 768 my ($registry, $event, $prio, $cb) = @_;
658 769
659 use sort 'stable'; 770 use sort 'stable';
660 771
694 $registry = $CB_TYPE[$object_type] ||= []; 805 $registry = $CB_TYPE[$object_type] ||= [];
695 806
696 } elsif ($type eq "subtype") { 807 } elsif ($type eq "subtype") {
697 defined $object_type or Carp::croak "subtype specified without type"; 808 defined $object_type or Carp::croak "subtype specified without type";
698 my $object_subtype = shift @arg; 809 my $object_subtype = shift @arg;
699 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 810 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700 811
701 } elsif ($type eq "package") { 812 } elsif ($type eq "package") {
702 my $pkg = shift @arg; 813 my $pkg = shift @arg;
703 814
704 while (my ($name, $id) = each %cb_id) { 815 while (my ($name, $id) = each %cb_id) {
733 _attach $registry, $klass, @attach; 844 _attach $registry, $klass, @attach;
734 } 845 }
735 846
736 $obj->{$name} = \%arg; 847 $obj->{$name} = \%arg;
737 } else { 848 } else {
738 warn "object uses attachment '$name' that is not available, postponing.\n"; 849 warn "object uses attachment '$name' which is not available, postponing.\n";
739 } 850 }
740 851
741 $obj->{_attachment}{$name} = undef; 852 $obj->{_attachment}{$name} = undef;
742} 853}
743 854
745 if (ref $_[0]) { 856 if (ref $_[0]) {
746 _object_attach @_; 857 _object_attach @_;
747 } else { 858 } else {
748 _attach shift->_attach_registry, @_; 859 _attach shift->_attach_registry, @_;
749 } 860 }
861 _recalc_want;
750}; 862};
751 863
752# all those should be optimised 864# all those should be optimised
753sub cf::attachable::detach { 865sub cf::attachable::detach {
754 my ($obj, $name) = @_; 866 my ($obj, $name) = @_;
757 delete $obj->{_attachment}{$name}; 869 delete $obj->{_attachment}{$name};
758 reattach ($obj); 870 reattach ($obj);
759 } else { 871 } else {
760 Carp::croak "cannot, currently, detach class attachments"; 872 Carp::croak "cannot, currently, detach class attachments";
761 } 873 }
874 _recalc_want;
762}; 875};
763 876
764sub cf::attachable::attached { 877sub cf::attachable::attached {
765 my ($obj, $name) = @_; 878 my ($obj, $name) = @_;
766 879
781 "; 894 ";
782 die if $@; 895 die if $@;
783} 896}
784 897
785our $override; 898our $override;
786our @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?
787 900
788sub override { 901sub override {
789 $override = 1; 902 $override = 1;
790 @invoke_results = (); 903 @INVOKE_RESULTS = (@_);
791} 904}
792 905
793sub do_invoke { 906sub do_invoke {
794 my $event = shift; 907 my $event = shift;
795 my $callbacks = shift; 908 my $callbacks = shift;
796 909
797 @invoke_results = (); 910 @INVOKE_RESULTS = ();
798 911
799 local $override; 912 local $override;
800 913
801 for (@$callbacks) { 914 for (@$callbacks) {
802 eval { &{$_->[1]} }; 915 eval { &{$_->[1]} };
819 932
820Generate an object-specific event with the given arguments. 933Generate an object-specific event with the given arguments.
821 934
822This 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
823removed 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
824results (if you must, access C<@cf::invoke_results> directly). 937results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825 938
826=back 939=back
827 940
828=cut 941=cut
829 942
830############################################################################# 943#############################################################################
831# 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}
832 956
833sub reattach { 957sub reattach {
834 # basically do the same as instantiate, without calling instantiate 958 # basically do the same as instantiate, without calling instantiate
835 my ($obj) = @_; 959 my ($obj) = @_;
960
961 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836 962
837 my $registry = $obj->registry; 963 my $registry = $obj->registry;
838 964
839 @$registry = (); 965 @$registry = ();
840 966
887 $filename, length $$rdata, scalar @$objs; 1013 $filename, length $$rdata, scalar @$objs;
888 1014
889 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1015 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890 chmod SAVE_MODE, $fh; 1016 chmod SAVE_MODE, $fh;
891 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1017 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892 aio_fsync $fh; 1018 aio_fsync $fh if $cf::USE_FSYNC;
893 close $fh; 1019 close $fh;
894 1020
895 if (@$objs) { 1021 if (@$objs) {
896 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) {
897 chmod SAVE_MODE, $fh; 1023 chmod SAVE_MODE, $fh;
898 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1024 my $data = Storable::nfreeze { version => 1, objs => $objs };
899 aio_write $fh, 0, (length $data), $data, 0; 1025 aio_write $fh, 0, (length $data), $data, 0;
900 aio_fsync $fh; 1026 aio_fsync $fh if $cf::USE_FSYNC;
901 close $fh; 1027 close $fh;
902 aio_rename "$filename.pst~", "$filename.pst"; 1028 aio_rename "$filename.pst~", "$filename.pst";
903 } 1029 }
904 } else { 1030 } else {
905 aio_unlink "$filename.pst"; 1031 aio_unlink "$filename.pst";
937 or return; 1063 or return;
938 $av = eval { (Storable::thaw $av)->{objs} }; 1064 $av = eval { (Storable::thaw $av)->{objs} };
939 } 1065 }
940 1066
941 warn sprintf "loading %s (%d)\n", 1067 warn sprintf "loading %s (%d)\n",
942 $filename, length $data, scalar @{$av || []};#d# 1068 $filename, length $data, scalar @{$av || []};
943 return ($data, $av); 1069 return ($data, $av);
944} 1070}
1071
1072=head2 COMMAND CALLBACKS
1073
1074=over 4
1075
1076=cut
945 1077
946############################################################################# 1078#############################################################################
947# command handling &c 1079# command handling &c
948 1080
949=item cf::register_command $name => \&callback($ob,$args); 1081=item cf::register_command $name => \&callback($ob,$args);
962 push @{ $COMMAND{$name} }, [$caller, $cb]; 1094 push @{ $COMMAND{$name} }, [$caller, $cb];
963} 1095}
964 1096
965=item cf::register_extcmd $name => \&callback($pl,$packet); 1097=item cf::register_extcmd $name => \&callback($pl,$packet);
966 1098
967Register 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.
968 1104
969If 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
970called. 1106called.
971 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
972=cut 1119=cut
973 1120
974sub register_extcmd { 1121sub register_extcmd {
975 my ($name, $cb) = @_; 1122 my ($name, $cb) = @_;
976 1123
977 $EXTCMD{$name} = $cb; 1124 $EXTCMD{$name} = $cb;
1125}
1126
1127sub register_exticmd {
1128 my ($name, $cb) = @_;
1129
1130 $EXTICMD{$name} = $cb;
978} 1131}
979 1132
980cf::player->attach ( 1133cf::player->attach (
981 on_command => sub { 1134 on_command => sub {
982 my ($pl, $name, $params) = @_; 1135 my ($pl, $name, $params) = @_;
991 cf::override; 1144 cf::override;
992 }, 1145 },
993 on_extcmd => sub { 1146 on_extcmd => sub {
994 my ($pl, $buf) = @_; 1147 my ($pl, $buf) = @_;
995 1148
996 my $msg = eval { from_json $buf }; 1149 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997 1150
998 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
999 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1159 if (my $cb = $EXTCMD{$type}) {
1000 if (my %reply = $cb->($pl, $msg)) { 1160 @reply = $cb->($pl, @payload);
1001 $pl->ext_reply ($msg->{msgid}, %reply);
1002 }
1003 } 1161 }
1162
1163 $pl->ext_reply ($reply, @reply)
1164 if $reply;
1165
1004 } else { 1166 } else {
1005 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1167 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006 } 1168 }
1007 1169
1008 cf::override; 1170 cf::override;
1009 }, 1171 },
1010); 1172);
1011 1173
1012sub load_extension {
1013 my ($path) = @_;
1014
1015 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016 my $base = $1;
1017 my $pkg = $1;
1018 $pkg =~ s/[^[:word:]]/_/g;
1019 $pkg = "ext::$pkg";
1020
1021 warn "... loading '$path' into '$pkg'\n";
1022
1023 open my $fh, "<:utf8", $path
1024 or die "$path: $!";
1025
1026 my $source =
1027 "package $pkg; use strict; use utf8;\n"
1028 . "#line 1 \"$path\"\n{\n"
1029 . (do { local $/; <$fh> })
1030 . "\n};\n1";
1031
1032 eval $source
1033 or die $@ ? "$path: $@\n"
1034 : "extension disabled.\n";
1035
1036 push @EXTS, $pkg;
1037}
1038
1039sub load_extensions { 1174sub load_extensions {
1175 cf::sync_job {
1176 my %todo;
1177
1040 for my $ext (<$LIBDIR/*.ext>) { 1178 for my $path (<$LIBDIR/*.ext>) {
1041 next unless -r $ext; 1179 next unless -r $path;
1042 eval { 1180
1043 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;
1044 1 1238 }
1045 } or warn "$ext not loaded: $@"; 1239
1240 skip:
1241 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1242 unless $progress;
1243 }
1046 } 1244 };
1047} 1245}
1048 1246
1049############################################################################# 1247#############################################################################
1050# load/save/clean perl data associated with a map
1051 1248
1052*cf::mapsupport::on_clean = sub { 1249=back
1053 my ($map) = @_;
1054
1055 my $path = $map->tmpname;
1056 defined $path or return;
1057
1058 unlink "$path.pst";
1059};
1060
1061cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063#############################################################################
1064 1250
1065=head2 CORE EXTENSIONS 1251=head2 CORE EXTENSIONS
1066 1252
1067Functions and methods that extend core crossfire objects. 1253Functions and methods that extend core crossfire objects.
1068 1254
1081Returns the given player object, loading it if necessary (might block). 1267Returns the given player object, loading it if necessary (might block).
1082 1268
1083=cut 1269=cut
1084 1270
1085sub playerdir($) { 1271sub playerdir($) {
1086 cf::localdir 1272 "$PLAYERDIR/"
1087 . "/"
1088 . cf::playerdir
1089 . "/"
1090 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1273 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1091} 1274}
1092 1275
1093sub path($) { 1276sub path($) {
1094 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1277 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095 1278
1096 (playerdir $login) . "/$login.pl" 1279 (playerdir $login) . "/playerdata"
1097} 1280}
1098 1281
1099sub find_active($) { 1282sub find_active($) {
1100 $cf::PLAYER{$_[0]} 1283 $cf::PLAYER{$_[0]}
1101 and $cf::PLAYER{$_[0]}->active 1284 and $cf::PLAYER{$_[0]}->active
1104 1287
1105sub exists($) { 1288sub exists($) {
1106 my ($login) = @_; 1289 my ($login) = @_;
1107 1290
1108 $cf::PLAYER{$login} 1291 $cf::PLAYER{$login}
1109 or cf::sync_job { !aio_stat $login } 1292 or cf::sync_job { !aio_stat path $login }
1110} 1293}
1111 1294
1112sub find($) { 1295sub find($) {
1113 return $cf::PLAYER{$_[0]} || do { 1296 return $cf::PLAYER{$_[0]} || do {
1114 my $login = $_[0]; 1297 my $login = $_[0];
1115 1298
1116 my $guard = cf::lock_acquire "user_find:$login"; 1299 my $guard = cf::lock_acquire "user_find:$login";
1117 1300
1118 $cf::PLAYER{$_[0]} || do { 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
1119 my $pl = load_pl path $login 1309 my $pl = load_pl path $login
1120 or return; 1310 or return;
1121 $cf::PLAYER{$login} = $pl 1311 $cf::PLAYER{$login} = $pl
1122 } 1312 }
1123 } 1313 }
1135 1325
1136 aio_mkdir playerdir $pl, 0770; 1326 aio_mkdir playerdir $pl, 0770;
1137 $pl->{last_save} = $cf::RUNTIME; 1327 $pl->{last_save} = $cf::RUNTIME;
1138 1328
1139 $pl->save_pl ($path); 1329 $pl->save_pl ($path);
1140 Coro::cede; 1330 cf::cede_to_tick;
1141} 1331}
1142 1332
1143sub new($) { 1333sub new($) {
1144 my ($login) = @_; 1334 my ($login) = @_;
1145 1335
1151 $cf::PLAYER{$login} = $self; 1341 $cf::PLAYER{$login} = $self;
1152 1342
1153 $self 1343 $self
1154} 1344}
1155 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
1156=item $pl->quit_character 1356=item $pl->quit_character
1157 1357
1158Nukes the player without looking back. If logged in, the connection will 1358Nukes the player without looking back. If logged in, the connection will
1159be destroyed. May block for a long time. 1359be destroyed. May block for a long time.
1160 1360
1161=cut 1361=cut
1162 1362
1163sub quit_character { 1363sub quit_character {
1164 my ($pl) = @_; 1364 my ($pl) = @_;
1365
1366 my $name = $pl->ob->name;
1165 1367
1166 $pl->{deny_save} = 1; 1368 $pl->{deny_save} = 1;
1167 $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
1168 1370
1169 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1371 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1174 my $path = playerdir $pl; 1376 my $path = playerdir $pl;
1175 my $temp = "$path~$cf::RUNTIME~deleting~"; 1377 my $temp = "$path~$cf::RUNTIME~deleting~";
1176 aio_rename $path, $temp; 1378 aio_rename $path, $temp;
1177 delete $cf::PLAYER{$pl->ob->name}; 1379 delete $cf::PLAYER{$pl->ob->name};
1178 $pl->destroy; 1380 $pl->destroy;
1381
1382 my $prefix = qr<^~\Q$name\E/>;
1383
1384 # nuke player maps
1385 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1386
1179 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;
1180} 1402}
1181 1403
1182=item cf::player::list_logins 1404=item cf::player::list_logins
1183 1405
1184Returns am arrayref of all valid playernames in the system, can take a 1406Returns am arrayref of all valid playernames in the system, can take a
1185while and may block, so not sync_job-capable, ever. 1407while and may block, so not sync_job-capable, ever.
1186 1408
1187=cut 1409=cut
1188 1410
1189sub list_logins { 1411sub list_logins {
1190 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1412 my $dirs = aio_readdir $PLAYERDIR
1191 or return []; 1413 or return [];
1192 1414
1193 my @logins; 1415 my @logins;
1194 1416
1195 for my $login (@$dirs) { 1417 for my $login (@$dirs) {
1418 my $path = path $login;
1419
1420 # a .pst is a dead give-away for a valid player
1421 unless (-e "$path.pst") {
1196 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1422 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197 aio_read $fh, 0, 512, my $buf, 0 or next; 1423 aio_read $fh, 0, 512, my $buf, 0 or next;
1198 $buf !~ /^password -------------$/m or next; # official not-valid tag 1424 $buf !~ /^password -------------$/m or next; # official not-valid tag
1425 }
1199 1426
1200 utf8::decode $login; 1427 utf8::decode $login;
1201 push @logins, $login; 1428 push @logins, $login;
1202 } 1429 }
1203 1430
1204 \@logins 1431 \@logins
1205} 1432}
1206 1433
1207=item $player->maps 1434=item $player->maps
1208 1435
1209Returns an arrayref of cf::path's of all maps that are private for this 1436Returns an arrayref of map paths that are private for this
1210player. May block. 1437player. May block.
1211 1438
1212=cut 1439=cut
1213 1440
1214sub maps($) { 1441sub maps($) {
1215 my ($pl) = @_; 1442 my ($pl) = @_;
1443
1444 $pl = ref $pl ? $pl->ob->name : $pl;
1216 1445
1217 my $files = aio_readdir playerdir $pl 1446 my $files = aio_readdir playerdir $pl
1218 or return; 1447 or return;
1219 1448
1220 my @paths; 1449 my @paths;
1222 for (@$files) { 1451 for (@$files) {
1223 utf8::decode $_; 1452 utf8::decode $_;
1224 next if /\.(?:pl|pst)$/; 1453 next if /\.(?:pl|pst)$/;
1225 next unless /^$PATH_SEP/o; 1454 next unless /^$PATH_SEP/o;
1226 1455
1227 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1456 push @paths, cf::map::normalise "~$pl/$_";
1228 } 1457 }
1229 1458
1230 \@paths 1459 \@paths
1231} 1460}
1232 1461
1462=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1463
1464Expand crossfire pod fragments into protocol xml.
1465
1466=cut
1467
1468sub expand_cfpod {
1469 ((my $self), (local $_)) = @_;
1470
1471 # escape & and <
1472 s/&/&amp;/g;
1473 s/(?<![BIUGHT])</&lt;/g;
1474
1475 # this is buggy, it needs to properly take care of nested <'s
1476
1477 1 while
1478 # replace B<>, I<>, U<> etc.
1479 s/B<([^\>]*)>/<b>$1<\/b>/
1480 || s/I<([^\>]*)>/<i>$1<\/i>/
1481 || s/U<([^\>]*)>/<u>$1<\/u>/
1482 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1483 # replace G<male|female> tags
1484 || s{G<([^>|]*)\|([^>]*)>}{
1485 $self->gender ? $2 : $1
1486 }ge
1487 # replace H<hint text>
1488 || s{H<([^\>]*)>}
1489 {
1490 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1491 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1492 "")
1493 [$self->{hintmode}]
1494 }ge;
1495
1496 # create single paragraphs (very hackish)
1497 s/(?<=\S)\n(?=\w)/ /g;
1498
1499 # compress some whitespace
1500 s/\s+\n/\n/g; # ws line-ends
1501 s/\n\n+/\n/g; # double lines
1502 s/^\n+//; # beginning lines
1503 s/\n+$//; # ending lines
1504
1505 $_
1506}
1507
1508sub hintmode {
1509 $_[0]{hintmode} = $_[1] if @_ > 1;
1510 $_[0]{hintmode}
1511}
1512
1233=item $player->ext_reply ($msgid, $msgtype, %msg) 1513=item $player->ext_reply ($msgid, @msg)
1234 1514
1235Sends an ext reply to the player. 1515Sends an ext reply to the player.
1236 1516
1237=cut 1517=cut
1238 1518
1239sub ext_reply($$$%) { 1519sub ext_reply($$@) {
1240 my ($self, $id, %msg) = @_; 1520 my ($self, $id, @msg) = @_;
1241 1521
1242 $msg{msgid} = $id; 1522 $self->ns->ext_reply ($id, @msg)
1243
1244 $self->send ("ext " . cf::to_json \%msg);
1245} 1523}
1246 1524
1247package cf; 1525=item $player->ext_msg ($type, @msg)
1526
1527Sends an ext event to the client.
1528
1529=cut
1530
1531sub ext_msg($$@) {
1532 my ($self, $type, @msg) = @_;
1533
1534 $self->ns->ext_msg ($type, @msg);
1535}
1536
1537=head3 cf::region
1538
1539=over 4
1540
1541=cut
1542
1543package cf::region;
1544
1545=item cf::region::find_by_path $path
1546
1547Tries to decuce the likely region for a map knowing only its path.
1548
1549=cut
1550
1551sub find_by_path($) {
1552 my ($path) = @_;
1553
1554 my ($match, $specificity);
1555
1556 for my $region (list) {
1557 if ($region->{match} && $path =~ $region->{match}) {
1558 ($match, $specificity) = ($region, $region->specificity)
1559 if $region->specificity > $specificity;
1560 }
1561 }
1562
1563 $match
1564}
1248 1565
1249=back 1566=back
1250
1251 1567
1252=head3 cf::map 1568=head3 cf::map
1253 1569
1254=over 4 1570=over 4
1255 1571
1258package cf::map; 1574package cf::map;
1259 1575
1260use Fcntl; 1576use Fcntl;
1261use Coro::AIO; 1577use Coro::AIO;
1262 1578
1579use overload
1580 '""' => \&as_string,
1581 fallback => 1;
1582
1263our $MAX_RESET = 3600; 1583our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1584our $DEFAULT_RESET = 3000;
1265 1585
1266sub generate_random_map { 1586sub generate_random_map {
1267 my ($path, $rmp) = @_; 1587 my ($self, $rmp) = @_;
1268
1269 # mit "rum" bekleckern, nicht 1588 # mit "rum" bekleckern, nicht
1270 cf::map::_create_random_map 1589 $self->_create_random_map (
1271 $path,
1272 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1590 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1591 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1592 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275 $rmp->{exit_on_final_map}, 1593 $rmp->{exit_on_final_map},
1276 $rmp->{xsize}, $rmp->{ysize}, 1594 $rmp->{xsize}, $rmp->{ysize},
1277 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1595 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1596 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1597 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1598 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1599 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282 (cf::region::find $rmp->{region}) 1600 (cf::region::find $rmp->{region}), $rmp->{custom}
1601 )
1602}
1603
1604=item cf::map->register ($regex, $prio)
1605
1606Register a handler for the map path matching the given regex at the
1607givne priority (higher is better, built-in handlers have priority 0, the
1608default).
1609
1610=cut
1611
1612sub register {
1613 my (undef, $regex, $prio) = @_;
1614 my $pkg = caller;
1615
1616 no strict;
1617 push @{"$pkg\::ISA"}, __PACKAGE__;
1618
1619 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1620}
1621
1622# also paths starting with '/'
1623$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1624
1625sub thawer_merge {
1626 my ($self, $merge) = @_;
1627
1628 # we have to keep some variables in memory intact
1629 local $self->{path};
1630 local $self->{load_path};
1631
1632 $self->SUPER::thawer_merge ($merge);
1633}
1634
1635sub normalise {
1636 my ($path, $base) = @_;
1637
1638 $path = "$path"; # make sure its a string
1639
1640 $path =~ s/\.map$//;
1641
1642 # map plan:
1643 #
1644 # /! non-realised random map exit (special hack!)
1645 # {... are special paths that are not being touched
1646 # ?xxx/... are special absolute paths
1647 # ?random/... random maps
1648 # /... normal maps
1649 # ~user/... per-player map of a specific user
1650
1651 $path =~ s/$PATH_SEP/\//go;
1652
1653 # treat it as relative path if it starts with
1654 # something that looks reasonable
1655 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1656 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1657
1658 $base =~ s{[^/]+/?$}{};
1659 $path = "$base/$path";
1660 }
1661
1662 for ($path) {
1663 redo if s{//}{/};
1664 redo if s{/\.?/}{/};
1665 redo if s{/[^/]+/\.\./}{/};
1666 }
1667
1668 $path
1669}
1670
1671sub new_from_path {
1672 my (undef, $path, $base) = @_;
1673
1674 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1675
1676 $path = normalise $path, $base;
1677
1678 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1679 if ($path =~ $EXT_MAP{$pkg}[1]) {
1680 my $self = bless cf::map::new, $pkg;
1681 $self->{path} = $path; $self->path ($path);
1682 $self->init; # pass $1 etc.
1683 return $self;
1684 }
1685 }
1686
1687 Carp::cluck "unable to resolve path '$path' (base '$base').";
1688 ()
1689}
1690
1691sub init {
1692 my ($self) = @_;
1693
1694 $self
1695}
1696
1697sub as_string {
1698 my ($self) = @_;
1699
1700 "$self->{path}"
1701}
1702
1703# the displayed name, this is a one way mapping
1704sub visible_name {
1705 &as_string
1706}
1707
1708# the original (read-only) location
1709sub load_path {
1710 my ($self) = @_;
1711
1712 "$MAPDIR/$self->{path}.map"
1713}
1714
1715# the temporary/swap location
1716sub save_path {
1717 my ($self) = @_;
1718
1719 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1720 "$TMPDIR/$path.map"
1721}
1722
1723# the unique path, undef == no special unique path
1724sub uniq_path {
1725 my ($self) = @_;
1726
1727 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1728 "$UNIQUEDIR/$path"
1283} 1729}
1284 1730
1285# and all this just because we cannot iterate over 1731# and all this just because we cannot iterate over
1286# all maps in C++... 1732# all maps in C++...
1287sub change_all_map_light { 1733sub change_all_map_light {
1289 1735
1290 $_->change_map_light ($change) 1736 $_->change_map_light ($change)
1291 for grep $_->outdoor, values %cf::MAP; 1737 for grep $_->outdoor, values %cf::MAP;
1292} 1738}
1293 1739
1740sub decay_objects {
1741 my ($self) = @_;
1742
1743 return if $self->{deny_reset};
1744
1745 $self->do_decay_objects;
1746}
1747
1748sub unlink_save {
1749 my ($self) = @_;
1750
1751 utf8::encode (my $save = $self->save_path);
1752 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1753 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1754}
1755
1294sub load_map_header($) { 1756sub load_header_from($) {
1295 my ($path) = @_; 1757 my ($self, $path) = @_;
1296 1758
1297 utf8::encode $path; 1759 utf8::encode $path;
1298 aio_open $path, O_RDONLY, 0 1760 #aio_open $path, O_RDONLY, 0
1761 # or return;
1762
1763 $self->_load_header ($path)
1299 or return; 1764 or return;
1300 1765
1301 my $map = cf::map::new 1766 $self->{load_path} = $path;
1767
1768 1
1769}
1770
1771sub load_header_orig {
1772 my ($self) = @_;
1773
1774 $self->load_header_from ($self->load_path)
1775}
1776
1777sub load_header_temp {
1778 my ($self) = @_;
1779
1780 $self->load_header_from ($self->save_path)
1781}
1782
1783sub prepare_temp {
1784 my ($self) = @_;
1785
1786 $self->last_access ((delete $self->{last_access})
1787 || $cf::RUNTIME); #d#
1788 # safety
1789 $self->{instantiate_time} = $cf::RUNTIME
1790 if $self->{instantiate_time} > $cf::RUNTIME;
1791}
1792
1793sub prepare_orig {
1794 my ($self) = @_;
1795
1796 $self->{load_original} = 1;
1797 $self->{instantiate_time} = $cf::RUNTIME;
1798 $self->last_access ($cf::RUNTIME);
1799 $self->instantiate;
1800}
1801
1802sub load_header {
1803 my ($self) = @_;
1804
1805 if ($self->load_header_temp) {
1806 $self->prepare_temp;
1807 } else {
1808 $self->load_header_orig
1302 or return; 1809 or return;
1810 $self->prepare_orig;
1811 }
1303 1812
1304 # for better error messages only, will be overwritten later 1813 $self->{deny_reset} = 1
1305 $map->path ($path); 1814 if $self->no_reset;
1306 1815
1307 $map->load_header ($path) 1816 $self->default_region (cf::region::find_by_path $self->{path})
1308 or return; 1817 unless $self->default_region;
1309 1818
1310 $map->{load_path} = $path; 1819 1
1311
1312 $map
1313} 1820}
1314 1821
1315sub find; 1822sub find;
1316sub find { 1823sub find {
1317 my ($path, $origin) = @_; 1824 my ($path, $origin) = @_;
1318 1825
1319 #warn "find<$path,$origin>\n";#d#
1320
1321 $path = new cf::path $path, $origin && $origin->path; 1826 $path = normalise $path, $origin && $origin->path;
1322 my $key = $path->as_string;
1323 1827
1324 cf::lock_wait "map_find:$key"; 1828 cf::lock_wait "map_find:$path";
1325 1829
1326 $cf::MAP{$key} || do { 1830 $cf::MAP{$path} || do {
1327 my $guard = cf::lock_acquire "map_find:$key"; 1831 my $guard = cf::lock_acquire "map_find:$path";
1328 1832 my $map = new_from_path cf::map $path
1329 # do it the slow way
1330 my $map = $path->load_temp;
1331
1332 Coro::cede;
1333
1334 if ($map) {
1335 $map->last_access ((delete $map->{last_access})
1336 || $cf::RUNTIME); #d#
1337 # safety
1338 $map->{instantiate_time} = $cf::RUNTIME
1339 if $map->{instantiate_time} > $cf::RUNTIME;
1340 } else {
1341 $map = $path->load_orig
1342 or return; 1833 or return;
1343 1834
1344 $map->{load_original} = 1;
1345 $map->{instantiate_time} = $cf::RUNTIME;
1346 $map->last_access ($cf::RUNTIME);
1347 $map->instantiate;
1348
1349 # per-player maps become, after loading, normal maps
1350 $map->per_player (0) if $path->{user_rel};
1351 }
1352
1353 $map->path ($key);
1354 $map->{path} = $path;
1355 $map->{last_save} = $cf::RUNTIME; 1835 $map->{last_save} = $cf::RUNTIME;
1356 1836
1357 Coro::cede; 1837 $map->load_header
1838 or return;
1358 1839
1359 if ($map->should_reset) { 1840 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1841 # doing this can freeze the server in a sync job, obviously
1842 #$cf::WAIT_FOR_TICK->wait;
1360 $map->reset; 1843 $map->reset;
1361 undef $guard; 1844 undef $guard;
1362 $map = find $path 1845 return find $path;
1363 or return;
1364 } 1846 }
1365 1847
1366 $cf::MAP{$key} = $map 1848 $cf::MAP{$path} = $map
1367 } 1849 }
1368} 1850}
1851
1852sub pre_load { }
1853sub post_load { }
1369 1854
1370sub load { 1855sub load {
1371 my ($self) = @_; 1856 my ($self) = @_;
1372 1857
1858 local $self->{deny_reset} = 1; # loading can take a long time
1859
1373 my $path = $self->{path}; 1860 my $path = $self->{path};
1861
1862 {
1863 my $guard1 = cf::lock_acquire "map_data:$path";
1374 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1864 my $guard2 = cf::lock_acquire "map_load:$path";
1375 1865
1376 return if $self->in_memory != cf::MAP_SWAPPED; 1866 return if $self->in_memory != cf::MAP_SWAPPED;
1377 1867
1378 $self->in_memory (cf::MAP_LOADING); 1868 $self->in_memory (cf::MAP_LOADING);
1379 1869
1380 $self->alloc; 1870 $self->alloc;
1871
1872 $self->pre_load;
1873 cf::cede_to_tick;
1874
1381 $self->load_objects ($self->{load_path}, 1) 1875 $self->_load_objects ($self->{load_path}, 1)
1382 or return; 1876 or return;
1383 1877
1384 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1878 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385 if delete $self->{load_original}; 1879 if delete $self->{load_original};
1386 1880
1387 if (my $uniq = $path->uniq_path) { 1881 if (my $uniq = $self->uniq_path) {
1388 utf8::encode $uniq; 1882 utf8::encode $uniq;
1389 if (aio_open $uniq, O_RDONLY, 0) { 1883 if (aio_open $uniq, O_RDONLY, 0) {
1390 $self->clear_unique_items; 1884 $self->clear_unique_items;
1391 $self->load_objects ($uniq, 0); 1885 $self->_load_objects ($uniq, 0);
1392 } 1886 }
1393 } 1887 }
1394 1888
1395 Coro::cede; 1889 cf::cede_to_tick;
1396
1397 # now do the right thing for maps 1890 # now do the right thing for maps
1398 $self->link_multipart_objects; 1891 $self->link_multipart_objects;
1399
1400 if ($self->{path}->is_style_map) {
1401 $self->{deny_save} = 1;
1402 $self->{deny_reset} = 1;
1403 } else {
1404 $self->fix_auto_apply;
1405 $self->decay_objects;
1406 $self->update_buttons;
1407 $self->set_darkness_map;
1408 $self->difficulty ($self->estimate_difficulty) 1892 $self->difficulty ($self->estimate_difficulty)
1409 unless $self->difficulty; 1893 unless $self->difficulty;
1894 cf::cede_to_tick;
1895
1896 unless ($self->{deny_activate}) {
1897 $self->decay_objects;
1898 $self->fix_auto_apply;
1899 $self->update_buttons;
1900 cf::cede_to_tick;
1901 $self->set_darkness_map;
1902 cf::cede_to_tick;
1410 $self->activate; 1903 $self->activate;
1411 } 1904 }
1412 1905
1413 Coro::cede; 1906 $self->{last_save} = $cf::RUNTIME;
1907 $self->last_access ($cf::RUNTIME);
1414 1908
1415 $self->in_memory (cf::MAP_IN_MEMORY); 1909 $self->in_memory (cf::MAP_IN_MEMORY);
1910 }
1911
1912 $self->post_load;
1913}
1914
1915sub customise_for {
1916 my ($self, $ob) = @_;
1917
1918 return find "~" . $ob->name . "/" . $self->{path}
1919 if $self->per_player;
1920
1921# return find "?party/" . $ob->name . "/" . $self->{path}
1922# if $self->per_party;
1923
1924 $self
1416} 1925}
1417 1926
1418# find and load all maps in the 3x3 area around a map 1927# find and load all maps in the 3x3 area around a map
1419sub load_diag { 1928sub load_neighbours {
1420 my ($map) = @_; 1929 my ($map) = @_;
1421 1930
1422 my @diag; # diagonal neighbours 1931 my @neigh; # diagonal neighbours
1423 1932
1424 for (0 .. 3) { 1933 for (0 .. 3) {
1425 my $neigh = $map->tile_path ($_) 1934 my $neigh = $map->tile_path ($_)
1426 or next; 1935 or next;
1427 $neigh = find $neigh, $map 1936 $neigh = find $neigh, $map
1428 or next; 1937 or next;
1429 $neigh->load; 1938 $neigh->load;
1430 1939
1940 push @neigh,
1431 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1941 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1432 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1942 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1433 } 1943 }
1434 1944
1435 for (@diag) { 1945 for (grep defined $_->[0], @neigh) {
1946 my ($path, $origin) = @$_;
1436 my $neigh = find @$_ 1947 my $neigh = find $path, $origin
1437 or next; 1948 or next;
1438 $neigh->load; 1949 $neigh->load;
1439 } 1950 }
1440} 1951}
1441 1952
1446} 1957}
1447 1958
1448sub do_load_sync { 1959sub do_load_sync {
1449 my ($map) = @_; 1960 my ($map) = @_;
1450 1961
1962 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1963 if $Coro::current == $Coro::main;
1964
1451 cf::sync_job { $map->load }; 1965 cf::sync_job { $map->load };
1452} 1966}
1453 1967
1454our %MAP_PREFETCH; 1968our %MAP_PREFETCH;
1969our $MAP_PREFETCHER = undef;
1970
1971sub find_async {
1972 my ($path, $origin, $load) = @_;
1973
1974 $path = normalise $path, $origin && $origin->{path};
1975
1976 if (my $map = $cf::MAP{$path}) {
1977 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1978 }
1979
1980 $MAP_PREFETCH{$path} |= $load;
1981
1455our $MAP_PREFETCHER = Coro::async { 1982 $MAP_PREFETCHER ||= cf::async {
1456 while () {
1457 while (%MAP_PREFETCH) { 1983 while (%MAP_PREFETCH) {
1458 my $key = each %MAP_PREFETCH 1984 while (my ($k, $v) = each %MAP_PREFETCH) {
1459 or next; 1985 if (my $map = find $k) {
1986 $map->load if $v;
1987 }
1988
1460 my $path = delete $MAP_PREFETCH{$key}; 1989 delete $MAP_PREFETCH{$k};
1461
1462 my $map = find $path
1463 or next;
1464 $map->load;
1465 } 1990 }
1466 Coro::schedule; 1991 }
1992 undef $MAP_PREFETCHER;
1467 } 1993 };
1468};
1469
1470sub find_async {
1471 my ($path, $origin) = @_;
1472
1473 $path = new cf::path $path, $origin && $origin->path;
1474 my $key = $path->as_string;
1475
1476 if (my $map = $cf::MAP{$key}) {
1477 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478 }
1479
1480 $MAP_PREFETCH{$key} = $path;
1481 $MAP_PREFETCHER->ready; 1994 $MAP_PREFETCHER->prio (6);
1482 1995
1483 () 1996 ()
1484} 1997}
1485 1998
1486sub save { 1999sub save {
1487 my ($self) = @_; 2000 my ($self) = @_;
1488 2001
1489 my $lock = cf::lock_acquire "map_data:" . $self->path; 2002 my $lock = cf::lock_acquire "map_data:$self->{path}";
1490 2003
1491 $self->{last_save} = $cf::RUNTIME; 2004 $self->{last_save} = $cf::RUNTIME;
1492 2005
1493 return unless $self->dirty; 2006 return unless $self->dirty;
1494 2007
1495 my $save = $self->{path}->save_path; utf8::encode $save; 2008 my $save = $self->save_path; utf8::encode $save;
1496 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2009 my $uniq = $self->uniq_path; utf8::encode $uniq;
1497 2010
1498 $self->{load_path} = $save; 2011 $self->{load_path} = $save;
1499 2012
1500 return if $self->{deny_save}; 2013 return if $self->{deny_save};
1501 2014
1504 cf::async { 2017 cf::async {
1505 $_->contr->save for $self->players; 2018 $_->contr->save for $self->players;
1506 }; 2019 };
1507 2020
1508 if ($uniq) { 2021 if ($uniq) {
1509 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2022 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510 $self->save_objects ($uniq, cf::IO_UNIQUES); 2023 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1511 } else { 2024 } else {
1512 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2025 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513 } 2026 }
1514} 2027}
1515 2028
1516sub swap_out { 2029sub swap_out {
1517 my ($self) = @_; 2030 my ($self) = @_;
1518 2031
1519 # save first because save cedes 2032 # save first because save cedes
1520 $self->save; 2033 $self->save;
1521 2034
1522 my $lock = cf::lock_acquire "map_data:" . $self->path; 2035 my $lock = cf::lock_acquire "map_data:$self->{path}";
1523 2036
1524 return if $self->players; 2037 return if $self->players;
1525 return if $self->in_memory != cf::MAP_IN_MEMORY; 2038 return if $self->in_memory != cf::MAP_IN_MEMORY;
1526 return if $self->{deny_save}; 2039 return if $self->{deny_save};
1527 2040
1531 2044
1532sub reset_at { 2045sub reset_at {
1533 my ($self) = @_; 2046 my ($self) = @_;
1534 2047
1535 # TODO: safety, remove and allow resettable per-player maps 2048 # TODO: safety, remove and allow resettable per-player maps
1536 return 1e99 if $self->{path}{user_rel};
1537 return 1e99 if $self->{deny_reset}; 2049 return 1e99 if $self->{deny_reset};
1538 2050
1539 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2051 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2052 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541 2053
1546 my ($self) = @_; 2058 my ($self) = @_;
1547 2059
1548 $self->reset_at <= $cf::RUNTIME 2060 $self->reset_at <= $cf::RUNTIME
1549} 2061}
1550 2062
1551sub unlink_save {
1552 my ($self) = @_;
1553
1554 utf8::encode (my $save = $self->{path}->save_path);
1555 aioreq_pri 3; IO::AIO::aio_unlink $save;
1556 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557}
1558
1559sub rename {
1560 my ($self, $new_path) = @_;
1561
1562 $self->unlink_save;
1563
1564 delete $cf::MAP{$self->path};
1565 $self->{path} = new cf::path $new_path;
1566 $self->path ($self->{path}->as_string);
1567 $cf::MAP{$self->path} = $self;
1568
1569 $self->save;
1570}
1571
1572sub reset { 2063sub reset {
1573 my ($self) = @_; 2064 my ($self) = @_;
1574 2065
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2066 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2067
1577 return if $self->players; 2068 return if $self->players;
1578 return if $self->{path}{user_rel};#d#
1579 2069
1580 warn "resetting map ", $self->path;#d# 2070 warn "resetting map ", $self->path;
2071
2072 $self->in_memory (cf::MAP_SWAPPED);
2073
2074 # need to save uniques path
2075 unless ($self->{deny_save}) {
2076 my $uniq = $self->uniq_path; utf8::encode $uniq;
2077
2078 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2079 if $uniq;
2080 }
1581 2081
1582 delete $cf::MAP{$self->path}; 2082 delete $cf::MAP{$self->path};
2083
2084 $self->clear;
1583 2085
1584 $_->clear_links_to ($self) for values %cf::MAP; 2086 $_->clear_links_to ($self) for values %cf::MAP;
1585 2087
1586 $self->unlink_save; 2088 $self->unlink_save;
1587 $self->destroy; 2089 $self->destroy;
1590my $nuke_counter = "aaaa"; 2092my $nuke_counter = "aaaa";
1591 2093
1592sub nuke { 2094sub nuke {
1593 my ($self) = @_; 2095 my ($self) = @_;
1594 2096
2097 {
2098 my $lock = cf::lock_acquire "map_data:$self->{path}";
2099
2100 delete $cf::MAP{$self->path};
2101
2102 $self->unlink_save;
2103
2104 bless $self, "cf::map";
2105 delete $self->{deny_reset};
1595 $self->{deny_save} = 1; 2106 $self->{deny_save} = 1;
1596 $self->reset_timeout (1); 2107 $self->reset_timeout (1);
1597 $self->rename ("{nuke}/" . ($nuke_counter++)); 2108 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2109
2110 $cf::MAP{$self->path} = $self;
2111 }
2112
1598 $self->reset; # polite request, might not happen 2113 $self->reset; # polite request, might not happen
1599} 2114}
1600 2115
1601sub customise_for { 2116=item $maps = cf::map::tmp_maps
1602 my ($map, $ob) = @_;
1603 2117
1604 if ($map->per_player) { 2118Returns an arrayref with all map paths of currently instantiated and saved
1605 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2119maps. May block.
2120
2121=cut
2122
2123sub tmp_maps() {
1606 } 2124 [
2125 map {
2126 utf8::decode $_;
2127 /\.map$/
2128 ? normalise $_
2129 : ()
2130 } @{ aio_readdir $TMPDIR or [] }
2131 ]
2132}
1607 2133
1608 $map 2134=item $maps = cf::map::random_maps
2135
2136Returns an arrayref with all map paths of currently instantiated and saved
2137random maps. May block.
2138
2139=cut
2140
2141sub random_maps() {
2142 [
2143 map {
2144 utf8::decode $_;
2145 /\.map$/
2146 ? normalise "?random/$_"
2147 : ()
2148 } @{ aio_readdir $RANDOMDIR or [] }
2149 ]
1609} 2150}
1610 2151
1611=item cf::map::unique_maps 2152=item cf::map::unique_maps
1612 2153
1613Returns an arrayref of cf::path's of all shared maps that have 2154Returns an arrayref of paths of all shared maps that have
1614instantiated unique items. May block. 2155instantiated unique items. May block.
1615 2156
1616=cut 2157=cut
1617 2158
1618sub unique_maps() { 2159sub unique_maps() {
1619 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2160 [
1620 or return; 2161 map {
1621
1622 my @paths;
1623
1624 for (@$files) {
1625 utf8::decode $_; 2162 utf8::decode $_;
1626 next if /\.pst$/; 2163 /\.map$/
1627 next unless /^$PATH_SEP/o; 2164 ? normalise $_
1628 2165 : ()
1629 push @paths, new cf::path $_; 2166 } @{ aio_readdir $UNIQUEDIR or [] }
1630 } 2167 ]
1631
1632 \@paths
1633} 2168}
1634 2169
1635package cf; 2170package cf;
1636 2171
1637=back 2172=back
1683 2218
1684 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2219 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685 2220
1686 if ($self->{record_replies}) { 2221 if ($self->{record_replies}) {
1687 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2222 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2223
1688 } else { 2224 } else {
2225 my $pl = $self->contr;
2226
2227 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2228 my $dialog = $pl->{npc_dialog};
2229 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2230
2231 } else {
1689 $msg = $npc->name . " says: $msg" if $npc; 2232 $msg = $npc->name . " says: $msg" if $npc;
1690 $self->message ($msg, $flags); 2233 $self->message ($msg, $flags);
2234 }
1691 } 2235 }
2236}
2237
2238=item $object->send_msg ($channel, $msg, $color, [extra...])
2239
2240=cut
2241
2242sub cf::object::send_msg {
2243 my $pl = shift->contr
2244 or return;
2245 $pl->send_msg (@_);
1692} 2246}
1693 2247
1694=item $player_object->may ("access") 2248=item $player_object->may ("access")
1695 2249
1696Returns wether the given player is authorized to access resource "access" 2250Returns wether the given player is authorized to access resource "access"
1709 2263
1710=item $player_object->enter_link 2264=item $player_object->enter_link
1711 2265
1712Freezes the player and moves him/her to a special map (C<{link}>). 2266Freezes the player and moves him/her to a special map (C<{link}>).
1713 2267
1714The player should be reaosnably safe there for short amounts of time. You 2268The player should be reasonably safe there for short amounts of time. You
1715I<MUST> call C<leave_link> as soon as possible, though. 2269I<MUST> call C<leave_link> as soon as possible, though.
1716 2270
2271Will never block.
2272
1717=item $player_object->leave_link ($map, $x, $y) 2273=item $player_object->leave_link ($map, $x, $y)
1718 2274
1719Moves the player out of the specila link map onto the given map. If the 2275Moves the player out of the special C<{link}> map onto the specified
1720map is not valid (or omitted), the player will be moved back to the 2276map. If the map is not valid (or omitted), the player will be moved back
1721location he/she was before the call to C<enter_link>, or, if that fails, 2277to the location he/she was before the call to C<enter_link>, or, if that
1722to the emergency map position. 2278fails, to the emergency map position.
1723 2279
1724Might block. 2280Might block.
1725 2281
1726=cut 2282=cut
2283
2284sub link_map {
2285 unless ($LINK_MAP) {
2286 $LINK_MAP = cf::map::find "{link}"
2287 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2288 $LINK_MAP->load;
2289 }
2290
2291 $LINK_MAP
2292}
1727 2293
1728sub cf::object::player::enter_link { 2294sub cf::object::player::enter_link {
1729 my ($self) = @_; 2295 my ($self) = @_;
1730 2296
1731 $self->deactivate_recursive; 2297 $self->deactivate_recursive;
1732 2298
1733 return if $self->map == $LINK_MAP; 2299 return if UNIVERSAL::isa $self->map, "ext::map_link";
1734 2300
1735 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2301 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736 if $self->map; 2302 if $self->map && $self->map->{path} ne "{link}";
1737 2303
1738 $self->enter_map ($LINK_MAP, 20, 20); 2304 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1739} 2305}
1740 2306
1741sub cf::object::player::leave_link { 2307sub cf::object::player::leave_link {
1742 my ($self, $map, $x, $y) = @_; 2308 my ($self, $map, $x, $y) = @_;
2309
2310 return unless $self->contr->active;
1743 2311
1744 my $link_pos = delete $self->{_link_pos}; 2312 my $link_pos = delete $self->{_link_pos};
1745 2313
1746 unless ($map) { 2314 unless ($map) {
1747 # restore original map position 2315 # restore original map position
1761 # use -1 or undef as default coordinates, not 0, 0 2329 # use -1 or undef as default coordinates, not 0, 0
1762 ($x, $y) = ($map->enter_x, $map->enter_y) 2330 ($x, $y) = ($map->enter_x, $map->enter_y)
1763 if $x <=0 && $y <= 0; 2331 if $x <=0 && $y <= 0;
1764 2332
1765 $map->load; 2333 $map->load;
1766 $map->load_diag; 2334 $map->load_neighbours;
1767 2335
1768 return unless $self->contr->active; 2336 return unless $self->contr->active;
1769 $self->activate_recursive; 2337 $self->activate_recursive;
2338
2339 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770 $self->enter_map ($map, $x, $y); 2340 $self->enter_map ($map, $x, $y);
1771} 2341}
1772 2342
1773cf::player->attach ( 2343=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774 on_logout => sub {
1775 my ($pl) = @_;
1776 2344
1777 # abort map switching before logout 2345Moves the player to the given map-path and coordinates by first freezing
1778 if ($pl->ob->{_link_pos}) { 2346her, loading and preparing them map, calling the provided $check callback
1779 cf::sync_job { 2347that has to return the map if sucecssful, and then unfreezes the player on
1780 $pl->ob->leave_link 2348the new (success) or old (failed) map position. In either case, $done will
1781 }; 2349be called at the end of this process.
1782 }
1783 },
1784 on_login => sub {
1785 my ($pl) = @_;
1786 2350
1787 # try to abort aborted map switching on player login :)
1788 # should happen only on crashes
1789 if ($pl->ob->{_link_pos}) {
1790 $pl->ob->enter_link;
1791 (async {
1792 # we need this sleep as the login has a concurrent enter_exit running
1793 # and this sleep increases chances of the player not ending up in scorn
1794 $pl->ob->reply (undef,
1795 "There was an internal problem at your last logout, "
1796 . "the server will try to bring you to your intended destination in a second.",
1797 cf::NDI_RED);
1798 Coro::Timer::sleep 1;
1799 $pl->ob->leave_link;
1800 })->prio (2);
1801 }
1802 },
1803);
1804
1805=item $player_object->goto ($path, $x, $y)
1806
1807=cut 2351=cut
2352
2353our $GOTOGEN;
1808 2354
1809sub cf::object::player::goto { 2355sub cf::object::player::goto {
1810 my ($self, $path, $x, $y) = @_; 2356 my ($self, $path, $x, $y, $check, $done) = @_;
1811 2357
1812 $path = new cf::path $path; 2358 # do generation counting so two concurrent goto's will be executed in-order
2359 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813 2360
1814 $self->enter_link; 2361 $self->enter_link;
1815 2362
1816 (async { 2363 (async {
2364 my $map = eval {
1817 my $map = cf::map::find $path->as_string; 2365 my $map = cf::map::find $path;
2366
2367 if ($map) {
1818 $map = $map->customise_for ($self) if $map; 2368 $map = $map->customise_for ($self);
1819 2369 $map = $check->($map) if $check && $map;
1820# warn "entering ", $map->path, " at ($x, $y)\n" 2370 } else {
1821# if $map;
1822
1823 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2371 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2372 }
1824 2373
2374 $map
2375 };
2376
2377 if ($@) {
2378 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2379 LOG llevError | logBacktrace, Carp::longmess $@;
2380 }
2381
2382 if ($gen == $self->{_goto_generation}) {
2383 delete $self->{_goto_generation};
1825 $self->leave_link ($map, $x, $y); 2384 $self->leave_link ($map, $x, $y);
2385 }
2386
2387 $done->() if $done;
1826 })->prio (1); 2388 })->prio (1);
1827} 2389}
1828 2390
1829=item $player_object->enter_exit ($exit_object) 2391=item $player_object->enter_exit ($exit_object)
1830 2392
1832 2394
1833sub parse_random_map_params { 2395sub parse_random_map_params {
1834 my ($spec) = @_; 2396 my ($spec) = @_;
1835 2397
1836 my $rmp = { # defaults 2398 my $rmp = { # defaults
1837 xsize => 10, 2399 xsize => (cf::rndm 15, 40),
1838 ysize => 10, 2400 ysize => (cf::rndm 15, 40),
2401 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2402 #layout => string,
1839 }; 2403 };
1840 2404
1841 for (split /\n/, $spec) { 2405 for (split /\n/, $spec) {
1842 my ($k, $v) = split /\s+/, $_, 2; 2406 my ($k, $v) = split /\s+/, $_, 2;
1843 2407
1847 $rmp 2411 $rmp
1848} 2412}
1849 2413
1850sub prepare_random_map { 2414sub prepare_random_map {
1851 my ($exit) = @_; 2415 my ($exit) = @_;
2416
2417 my $guard = cf::lock_acquire "exit_prepare:$exit";
1852 2418
1853 # all this does is basically replace the /! path by 2419 # all this does is basically replace the /! path by
1854 # a new random map path (?random/...) with a seed 2420 # a new random map path (?random/...) with a seed
1855 # that depends on the exit object 2421 # that depends on the exit object
1856 2422
1857 my $rmp = parse_random_map_params $exit->msg; 2423 my $rmp = parse_random_map_params $exit->msg;
1858 2424
1859 if ($exit->map) { 2425 if ($exit->map) {
1860 $rmp->{region} = $exit->map->region_name; 2426 $rmp->{region} = $exit->region->name;
1861 $rmp->{origin_map} = $exit->map->path; 2427 $rmp->{origin_map} = $exit->map->path;
1862 $rmp->{origin_x} = $exit->x; 2428 $rmp->{origin_x} = $exit->x;
1863 $rmp->{origin_y} = $exit->y; 2429 $rmp->{origin_y} = $exit->y;
1864 } 2430 }
1865 2431
1866 $rmp->{random_seed} ||= $exit->random_seed; 2432 $rmp->{random_seed} ||= $exit->random_seed;
1867 2433
1868 my $data = cf::to_json $rmp; 2434 my $data = cf::to_json $rmp;
1869 my $md5 = Digest::MD5::md5_hex $data; 2435 my $md5 = Digest::MD5::md5_hex $data;
2436 my $meta = "$RANDOMDIR/$md5.meta";
1870 2437
1871 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2438 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872 aio_write $fh, 0, (length $data), $data, 0; 2439 aio_write $fh, 0, (length $data), $data, 0;
2440 undef $fh;
2441 aio_rename "$meta~", $meta;
1873 2442
1874 $exit->slaying ("?random/$md5"); 2443 $exit->slaying ("?random/$md5");
1875 $exit->msg (undef); 2444 $exit->msg (undef);
1876 } 2445 }
1877} 2446}
1879sub cf::object::player::enter_exit { 2448sub cf::object::player::enter_exit {
1880 my ($self, $exit) = @_; 2449 my ($self, $exit) = @_;
1881 2450
1882 return unless $self->type == cf::PLAYER; 2451 return unless $self->type == cf::PLAYER;
1883 2452
2453 if ($exit->slaying eq "/!") {
2454 #TODO: this should de-fi-ni-te-ly not be a sync-job
2455 # the problem is that $exit might not survive long enough
2456 # so it needs to be done right now, right here
2457 cf::sync_job { prepare_random_map $exit };
2458 }
2459
2460 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461 my $hp = $exit->stats->hp;
2462 my $sp = $exit->stats->sp;
2463
1884 $self->enter_link; 2464 $self->enter_link;
2465
2466 # if exit is damned, update players death & WoR home-position
2467 $self->contr->savebed ($slaying, $hp, $sp)
2468 if $exit->flag (FLAG_DAMNED);
1885 2469
1886 (async { 2470 (async {
1887 $self->deactivate_recursive; # just to be sure 2471 $self->deactivate_recursive; # just to be sure
1888 unless (eval { 2472 unless (eval {
1889 prepare_random_map $exit 2473 $self->goto ($slaying, $hp, $sp);
1890 if $exit->slaying eq "/!";
1891
1892 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894 2474
1895 1; 2475 1;
1896 }) { 2476 }) {
1897 $self->message ("Something went wrong deep within the crossfire server. " 2477 $self->message ("Something went wrong deep within the crossfire server. "
1898 . "I'll try to bring you back to the map you were before. " 2478 . "I'll try to bring you back to the map you were before. "
1899 . "Please report this to the dungeon master!", 2479 . "Please report this to the dungeon master!",
1900 cf::NDI_UNIQUE | cf::NDI_RED); 2480 cf::NDI_UNIQUE | cf::NDI_RED);
1901 2481
1902 warn "ERROR in enter_exit: $@"; 2482 warn "ERROR in enter_exit: $@";
1903 $self->leave_link; 2483 $self->leave_link;
1904 } 2484 }
1905 })->prio (1); 2485 })->prio (1);
1918 2498
1919sub cf::client::send_drawinfo { 2499sub cf::client::send_drawinfo {
1920 my ($self, $text, $flags) = @_; 2500 my ($self, $text, $flags) = @_;
1921 2501
1922 utf8::encode $text; 2502 utf8::encode $text;
1923 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2503 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924} 2504}
1925 2505
2506=item $client->send_msg ($channel, $msg, $color, [extra...])
2507
2508Send a drawinfo or msg packet to the client, formatting the msg for the
2509client if neccessary. C<$type> should be a string identifying the type of
2510the message, with C<log> being the default. If C<$color> is negative, suppress
2511the message unless the client supports the msg packet.
2512
2513=cut
2514
2515our %CHANNEL = (
2516 "c/identify" => {
2517 id => "identify",
2518 title => "Identify",
2519 reply => undef,
2520 tooltip => "Items recently identified",
2521 },
2522 "c/examine" => {
2523 id => "examine",
2524 title => "Examine",
2525 reply => undef,
2526 tooltip => "Signs and other items you examined",
2527 },
2528);
2529
2530sub cf::client::send_msg {
2531 my ($self, $channel, $msg, $color, @extra) = @_;
2532
2533 $msg = $self->pl->expand_cfpod ($msg);
2534
2535 $color &= cf::NDI_CLIENT_MASK; # just in case...
2536
2537 # check predefined channels, for the benefit of C
2538 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2539
2540 if (ref $channel) {
2541 # send meta info to client, if not yet sent
2542 unless (exists $self->{channel}{$channel->{id}}) {
2543 $self->{channel}{$channel->{id}} = $channel;
2544 $self->ext_msg (channel_info => $channel)
2545 if $self->can_msg;
2546 }
2547
2548 $channel = $channel->{id};
2549 }
2550
2551 return unless @extra || length $msg;
2552
2553 if ($self->can_msg) {
2554 # default colour, mask it out
2555 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2556 if $color & cf::NDI_DEF;
2557
2558 $self->send_packet ("msg " . $self->{json_coder}->encode (
2559 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2560 } else {
2561 if ($color >= 0) {
2562 # replace some tags by gcfclient-compatible ones
2563 for ($msg) {
2564 1 while
2565 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2566 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2567 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2568 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2569 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2570 }
2571
2572 $color &= cf::NDI_COLOR_MASK;
2573
2574 utf8::encode $msg;
2575
2576 if (0 && $msg =~ /\[/) {
2577 # COMMAND/INFO
2578 $self->send_packet ("drawextinfo $color 10 8 $msg")
2579 } else {
2580 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581 $self->send_packet ("drawinfo $color $msg")
2582 }
2583 }
2584 }
2585}
2586
2587=item $client->ext_msg ($type, @msg)
2588
2589Sends an ext event to the client.
2590
2591=cut
2592
2593sub cf::client::ext_msg($$@) {
2594 my ($self, $type, @msg) = @_;
2595
2596 if ($self->extcmd == 2) {
2597 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2598 } elsif ($self->extcmd == 1) { # TODO: remove
2599 push @msg, msgtype => "event_$type";
2600 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2601 }
2602}
2603
2604=item $client->ext_reply ($msgid, @msg)
2605
2606Sends an ext reply to the client.
2607
2608=cut
2609
2610sub cf::client::ext_reply($$@) {
2611 my ($self, $id, @msg) = @_;
2612
2613 if ($self->extcmd == 2) {
2614 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2615 } elsif ($self->extcmd == 1) {
2616 #TODO: version 1, remove
2617 unshift @msg, msgtype => "reply", msgid => $id;
2618 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2619 }
2620}
1926 2621
1927=item $success = $client->query ($flags, "text", \&cb) 2622=item $success = $client->query ($flags, "text", \&cb)
1928 2623
1929Queues a query to the client, calling the given callback with 2624Queues a query to the client, calling the given callback with
1930the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2625the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2626C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932 2627
1933Queries can fail, so check the return code. Or don't, as queries will become 2628Queries can fail, so check the return code. Or don't, as queries will
1934reliable at some point in the future. 2629become reliable at some point in the future.
1935 2630
1936=cut 2631=cut
1937 2632
1938sub cf::client::query { 2633sub cf::client::query {
1939 my ($self, $flags, $text, $cb) = @_; 2634 my ($self, $flags, $text, $cb) = @_;
1947 utf8::encode $text; 2642 utf8::encode $text;
1948 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2643 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949 2644
1950 $self->send_packet ($self->{query_queue}[0][0]) 2645 $self->send_packet ($self->{query_queue}[0][0])
1951 if @{ $self->{query_queue} } == 1; 2646 if @{ $self->{query_queue} } == 1;
2647
2648 1
1952} 2649}
1953 2650
1954cf::client->attach ( 2651cf::client->attach (
2652 on_connect => sub {
2653 my ($ns) = @_;
2654
2655 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2656 },
1955 on_reply => sub { 2657 on_reply => sub {
1956 my ($ns, $msg) = @_; 2658 my ($ns, $msg) = @_;
1957 2659
1958 # this weird shuffling is so that direct followup queries 2660 # this weird shuffling is so that direct followup queries
1959 # get handled first 2661 # get handled first
1960 my $queue = delete $ns->{query_queue} 2662 my $queue = delete $ns->{query_queue}
1961 or return; # be conservative, not sure how that can happen, but we saw a crash here 2663 or return; # be conservative, not sure how that can happen, but we saw a crash here
1962 2664
1963 (shift @$queue)->[1]->($msg); 2665 (shift @$queue)->[1]->($msg);
2666 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964 2667
1965 push @{ $ns->{query_queue} }, @$queue; 2668 push @{ $ns->{query_queue} }, @$queue;
1966 2669
1967 if (@{ $ns->{query_queue} } == @$queue) { 2670 if (@{ $ns->{query_queue} } == @$queue) {
1968 if (@$queue) { 2671 if (@$queue) {
1970 } else { 2673 } else {
1971 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2674 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972 } 2675 }
1973 } 2676 }
1974 }, 2677 },
2678 on_exticmd => sub {
2679 my ($ns, $buf) = @_;
2680
2681 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2682
2683 if (ref $msg) {
2684 my ($type, $reply, @payload) =
2685 "ARRAY" eq ref $msg
2686 ? @$msg
2687 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2688
2689 my @reply;
2690
2691 if (my $cb = $EXTICMD{$type}) {
2692 @reply = $cb->($ns, @payload);
2693 }
2694
2695 $ns->ext_reply ($reply, @reply)
2696 if $reply;
2697
2698 } else {
2699 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2700 }
2701
2702 cf::override;
2703 },
1975); 2704);
1976 2705
1977=item $client->async (\&cb) 2706=item $client->async (\&cb)
1978 2707
1979Create a new coroutine, running the specified callback. The coroutine will 2708Create a new coroutine, running the specified callback. The coroutine will
2020our $safe = new Safe "safe"; 2749our $safe = new Safe "safe";
2021our $safe_hole = new Safe::Hole; 2750our $safe_hole = new Safe::Hole;
2022 2751
2023$SIG{FPE} = 'IGNORE'; 2752$SIG{FPE} = 'IGNORE';
2024 2753
2025$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2754$safe->permit_only (Opcode::opset qw(
2755 :base_core :base_mem :base_orig :base_math
2756 grepstart grepwhile mapstart mapwhile
2757 sort time
2758));
2026 2759
2027# here we export the classes and methods available to script code 2760# here we export the classes and methods available to script code
2028 2761
2029=pod 2762=pod
2030 2763
2031The following fucntions and emthods are available within a safe environment: 2764The following functions and methods are available within a safe environment:
2032 2765
2033 cf::object contr pay_amount pay_player map 2766 cf::object
2767 contr pay_amount pay_player map x y force_find force_add
2768 insert remove name archname title slaying race decrease_ob_nr
2769
2034 cf::object::player player 2770 cf::object::player
2035 cf::player peaceful 2771 player
2036 cf::map trigger 2772
2773 cf::player
2774 peaceful
2775
2776 cf::map
2777 trigger
2037 2778
2038=cut 2779=cut
2039 2780
2040for ( 2781for (
2041 ["cf::object" => qw(contr pay_amount pay_player map)], 2782 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2783 insert remove inv name archname title slaying race
2784 decrease_ob_nr)],
2042 ["cf::object::player" => qw(player)], 2785 ["cf::object::player" => qw(player)],
2043 ["cf::player" => qw(peaceful)], 2786 ["cf::player" => qw(peaceful)],
2044 ["cf::map" => qw(trigger)], 2787 ["cf::map" => qw(trigger)],
2045) { 2788) {
2046 no strict 'refs'; 2789 no strict 'refs';
2117=back 2860=back
2118 2861
2119=cut 2862=cut
2120 2863
2121############################################################################# 2864#############################################################################
2865# the server's init and main functions
2122 2866
2123=head2 EXTENSION DATABASE SUPPORT 2867sub load_facedata($) {
2868 my ($path) = @_;
2124 2869
2125Crossfire maintains a very simple database for extension use. It can 2870 # HACK to clear player env face cache, we need some signal framework
2126currently store anything that can be serialised using Storable, which 2871 # for this (global event?)
2127excludes objects. 2872 %ext::player_env::MUSIC_FACE_CACHE = ();
2128 2873
2129The parameter C<$family> should best start with the name of the extension 2874 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130using it, it should be unique.
2131 2875
2132=over 4 2876 warn "loading facedata from $path\n";
2133 2877
2134=item $hashref = cf::db_get $family 2878 my $facedata;
2879 0 < aio_load $path, $facedata
2880 or die "$path: $!";
2135 2881
2136Return a hashref for use by the extension C<$family>, which can be 2882 $facedata = Coro::Storable::thaw $facedata;
2137modified. After modifications, you have to call C<cf::db_dirty> or
2138C<cf::db_sync>.
2139 2883
2140=item $value = cf::db_get $family => $key 2884 $facedata->{version} == 2
2885 or cf::cleanup "$path: version mismatch, cannot proceed.";
2141 2886
2142Returns a single value from the database 2887 # patch in the exptable
2143 2888 $facedata->{resource}{"res/exp_table"} = {
2144=item cf::db_put $family => $hashref 2889 type => FT_RSRC,
2145 2890 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146Stores the given family hashref into the database. Updates are delayed, if
2147you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149=item cf::db_put $family => $key => $value
2150
2151Stores the given C<$value> in the family hash. Updates are delayed, if you
2152want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154=item cf::db_dirty
2155
2156Marks the database as dirty, to be updated at a later time.
2157
2158=item cf::db_sync
2159
2160Immediately write the database to disk I<if it is dirty>.
2161
2162=cut
2163
2164our $DB;
2165
2166{
2167 my $path = cf::localdir . "/database.pst";
2168
2169 sub db_load() {
2170 $DB = stat $path ? Storable::retrieve $path : { };
2171 }
2172
2173 my $pid;
2174
2175 sub db_save() {
2176 waitpid $pid, 0 if $pid;
2177 if (0 == ($pid = fork)) {
2178 $DB->{_meta}{version} = 1;
2179 Storable::nstore $DB, "$path~";
2180 rename "$path~", $path;
2181 cf::_exit 0 if defined $pid;
2182 }
2183 }
2184
2185 my $dirty;
2186
2187 sub db_sync() {
2188 db_save if $dirty;
2189 undef $dirty;
2190 }
2191
2192 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193 db_sync;
2194 }); 2891 };
2892 cf::cede_to_tick;
2195 2893
2196 sub db_dirty() {
2197 $dirty = 1;
2198 $idle->start;
2199 } 2894 {
2895 my $faces = $facedata->{faceinfo};
2200 2896
2201 sub db_get($;$) { 2897 while (my ($face, $info) = each %$faces) {
2202 @_ >= 2 2898 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203 ? $DB->{$_[0]}{$_[1]} 2899 cf::face::set_visibility $idx, $info->{visibility};
2204 : ($DB->{$_[0]} ||= { }) 2900 cf::face::set_magicmap $idx, $info->{magicmap};
2205 } 2901 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2902 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2206 2903
2207 sub db_put($$;$) { 2904 cf::cede_to_tick;
2208 if (@_ >= 3) {
2209 $DB->{$_[0]}{$_[1]} = $_[2];
2210 } else {
2211 $DB->{$_[0]} = $_[1];
2212 }
2213 db_dirty;
2214 }
2215
2216 cf::global->attach (
2217 prio => 10000,
2218 on_cleanup => sub {
2219 db_sync;
2220 }, 2905 }
2221 );
2222}
2223 2906
2224############################################################################# 2907 while (my ($face, $info) = each %$faces) {
2225# the server's main() 2908 next unless $info->{smooth};
2909 my $idx = cf::face::find $face
2910 or next;
2911 if (my $smooth = cf::face::find $info->{smooth}) {
2912 cf::face::set_smooth $idx, $smooth;
2913 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2914 } else {
2915 warn "smooth face '$info->{smooth}' not found for face '$face'";
2916 }
2226 2917
2227sub cfg_load { 2918 cf::cede_to_tick;
2919 }
2920 }
2921
2922 {
2923 my $anims = $facedata->{animinfo};
2924
2925 while (my ($anim, $info) = each %$anims) {
2926 cf::anim::set $anim, $info->{frames}, $info->{facings};
2927 cf::cede_to_tick;
2928 }
2929
2930 cf::anim::invalidate_all; # d'oh
2931 }
2932
2933 {
2934 # TODO: for gcfclient pleasure, we should give resources
2935 # that gcfclient doesn't grok a >10000 face index.
2936 my $res = $facedata->{resource};
2937
2938 my $soundconf = delete $res->{"res/sound.conf"};
2939
2940 while (my ($name, $info) = each %$res) {
2941 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2942 my $data;
2943
2944 if ($info->{type} & 1) {
2945 # prepend meta info
2946
2947 my $meta = $enc->encode ({
2948 name => $name,
2949 %{ $info->{meta} || {} },
2950 });
2951
2952 $data = pack "(w/a*)*", $meta, $info->{data};
2953 } else {
2954 $data = $info->{data};
2955 }
2956
2957 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2958 cf::face::set_type $idx, $info->{type};
2959
2960 cf::cede_to_tick;
2961 }
2962
2963 if ($soundconf) {
2964 $soundconf = $enc->decode (delete $soundconf->{data});
2965
2966 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2967 my $sound = $soundconf->{compat}[$_]
2968 or next;
2969
2970 my $face = cf::face::find "sound/$sound->[1]";
2971 cf::sound::set $sound->[0] => $face;
2972 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2973 }
2974
2975 while (my ($k, $v) = each %{$soundconf->{event}}) {
2976 my $face = cf::face::find "sound/$v";
2977 cf::sound::set $k => $face;
2978 }
2979 }
2980 }
2981
2982 1
2983}
2984
2985register_exticmd fx_want => sub {
2986 my ($ns, $want) = @_;
2987
2988 while (my ($k, $v) = each %$want) {
2989 $ns->fx_want ($k, $v);
2990 }
2991};
2992
2993sub reload_regions {
2994 # HACK to clear player env face cache, we need some signal framework
2995 # for this (global event?)
2996 %ext::player_env::MUSIC_FACE_CACHE = ();
2997
2998 load_resource_file "$MAPDIR/regions"
2999 or die "unable to load regions file\n";
3000
3001 for (cf::region::list) {
3002 $_->{match} = qr/$_->{match}/
3003 if exists $_->{match};
3004 }
3005}
3006
3007sub reload_facedata {
3008 load_facedata "$DATADIR/facedata"
3009 or die "unable to load facedata\n";
3010}
3011
3012sub reload_archetypes {
3013 load_resource_file "$DATADIR/archetypes"
3014 or die "unable to load archetypes\n";
3015 #d# NEED to laod twice to resolve forward references
3016 # this really needs to be done in an extra post-pass
3017 # (which needs to be synchronous, so solve it differently)
3018 load_resource_file "$DATADIR/archetypes"
3019 or die "unable to load archetypes\n";
3020}
3021
3022sub reload_treasures {
3023 load_resource_file "$DATADIR/treasures"
3024 or die "unable to load treasurelists\n";
3025}
3026
3027sub reload_resources {
3028 warn "reloading resource files...\n";
3029
3030 reload_regions;
3031 reload_facedata;
3032 #reload_archetypes;#d#
3033 reload_archetypes;
3034 reload_treasures;
3035
3036 warn "finished reloading resource files\n";
3037}
3038
3039sub init {
3040 reload_resources;
3041}
3042
3043sub reload_config {
2228 open my $fh, "<:utf8", cf::confdir . "/config" 3044 open my $fh, "<:utf8", "$CONFDIR/config"
2229 or return; 3045 or return;
2230 3046
2231 local $/; 3047 local $/;
2232 *CFG = YAML::Syck::Load <$fh>; 3048 *CFG = YAML::Syck::Load <$fh>;
2233 3049
2247 3063
2248sub main { 3064sub main {
2249 # we must not ever block the main coroutine 3065 # we must not ever block the main coroutine
2250 local $Coro::idle = sub { 3066 local $Coro::idle = sub {
2251 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3067 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3068 (async {
2252 async { Event::one_event }; 3069 Event::one_event;
3070 })->prio (Coro::PRIO_MAX);
2253 }; 3071 };
2254 3072
2255 cfg_load; 3073 reload_config;
2256 db_load; 3074 db_init;
2257 load_extensions; 3075 load_extensions;
3076
3077 $TICK_WATCHER->start;
2258 Event::loop; 3078 Event::loop;
2259} 3079}
2260 3080
2261############################################################################# 3081#############################################################################
2262# initialisation and cleanup 3082# initialisation and cleanup
2263 3083
2264# install some emergency cleanup handlers 3084# install some emergency cleanup handlers
2265BEGIN { 3085BEGIN {
2266 for my $signal (qw(INT HUP TERM)) { 3086 for my $signal (qw(INT HUP TERM)) {
2267 Event->signal ( 3087 Event->signal (
3088 reentrant => 0,
2268 data => WF_AUTOCANCEL, 3089 data => WF_AUTOCANCEL,
2269 signal => $signal, 3090 signal => $signal,
3091 prio => 0,
2270 cb => sub { 3092 cb => sub {
2271 cf::cleanup "SIG$signal"; 3093 cf::cleanup "SIG$signal";
2272 }, 3094 },
2273 ); 3095 );
2274 } 3096 }
2275} 3097}
2276 3098
3099sub write_runtime {
3100 my $runtime = "$LOCALDIR/runtime";
3101
3102 # first touch the runtime file to show we are still running:
3103 # the fsync below can take a very very long time.
3104
3105 IO::AIO::aio_utime $runtime, undef, undef;
3106
3107 my $guard = cf::lock_acquire "write_runtime";
3108
3109 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3110 or return;
3111
3112 my $value = $cf::RUNTIME + 90 + 10;
3113 # 10 is the runtime save interval, for a monotonic clock
3114 # 60 allows for the watchdog to kill the server.
3115
3116 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3117 and return;
3118
3119 # always fsync - this file is important
3120 aio_fsync $fh
3121 and return;
3122
3123 # touch it again to show we are up-to-date
3124 aio_utime $fh, undef, undef;
3125
3126 close $fh
3127 or return;
3128
3129 aio_rename "$runtime~", $runtime
3130 and return;
3131
3132 warn "runtime file written.\n";
3133
3134 1
3135}
3136
2277sub emergency_save() { 3137sub emergency_save() {
2278 my $freeze_guard = cf::freeze_mainloop; 3138 my $freeze_guard = cf::freeze_mainloop;
2279 3139
2280 warn "enter emergency perl save\n"; 3140 warn "enter emergency perl save\n";
2281 3141
2282 cf::sync_job { 3142 cf::sync_job {
2283 # use a peculiar iteration method to avoid tripping on perl 3143 # use a peculiar iteration method to avoid tripping on perl
2284 # refcount bugs in for. also avoids problems with players 3144 # refcount bugs in for. also avoids problems with players
2285 # and maps saved/Destroyed asynchronously. 3145 # and maps saved/destroyed asynchronously.
2286 warn "begin emergency player save\n"; 3146 warn "begin emergency player save\n";
2287 for my $login (keys %cf::PLAYER) { 3147 for my $login (keys %cf::PLAYER) {
2288 my $pl = $cf::PLAYER{$login} or next; 3148 my $pl = $cf::PLAYER{$login} or next;
2289 $pl->valid or next; 3149 $pl->valid or next;
2290 $pl->save; 3150 $pl->save;
2296 my $map = $cf::MAP{$path} or next; 3156 my $map = $cf::MAP{$path} or next;
2297 $map->valid or next; 3157 $map->valid or next;
2298 $map->save; 3158 $map->save;
2299 } 3159 }
2300 warn "end emergency map save\n"; 3160 warn "end emergency map save\n";
3161
3162 warn "begin emergency database checkpoint\n";
3163 BDB::db_env_txn_checkpoint $DB_ENV;
3164 warn "end emergency database checkpoint\n";
2301 }; 3165 };
2302 3166
2303 warn "leave emergency perl save\n"; 3167 warn "leave emergency perl save\n";
2304} 3168}
2305 3169
3170sub post_cleanup {
3171 my ($make_core) = @_;
3172
3173 warn Carp::longmess "post_cleanup backtrace"
3174 if $make_core;
3175}
3176
2306sub reload() { 3177sub do_reload_perl() {
2307 # can/must only be called in main 3178 # can/must only be called in main
2308 if ($Coro::current != $Coro::main) { 3179 if ($Coro::current != $Coro::main) {
2309 warn "can only reload from main coroutine\n"; 3180 warn "can only reload from main coroutine";
2310 return; 3181 return;
2311 } 3182 }
2312 3183
2313 warn "reloading..."; 3184 warn "reloading...";
2314 3185
2315 warn "freezing server"; 3186 warn "entering sync_job";
2316 my $guard = freeze_mainloop; 3187
3188 cf::sync_job {
3189 cf::write_runtime; # external watchdog should not bark
2317 cf::emergency_save; 3190 cf::emergency_save;
3191 cf::write_runtime; # external watchdog should not bark
2318 3192
2319 warn "sync database to disk"; 3193 warn "syncing database to disk";
2320 cf::db_sync; 3194 BDB::db_env_txn_checkpoint $DB_ENV;
2321 IO::AIO::flush;
2322 3195
2323 eval {
2324 # if anything goes wrong in here, we should simply crash as we already saved 3196 # if anything goes wrong in here, we should simply crash as we already saved
2325 3197
2326 warn "cancel all watchers"; 3198 warn "cancelling all WF_AUTOCANCEL watchers";
2327 for (Event::all_watchers) { 3199 for (Event::all_watchers) {
2328 $_->cancel if $_->data & WF_AUTOCANCEL; 3200 $_->cancel if $_->data & WF_AUTOCANCEL;
2329 } 3201 }
2330 3202
3203 warn "flushing outstanding aio requests";
3204 for (;;) {
3205 BDB::flush;
3206 IO::AIO::flush;
3207 Coro::cede;
3208 last unless IO::AIO::nreqs || BDB::nreqs;
3209 warn "iterate...";
3210 }
3211
3212 ++$RELOAD;
3213
2331 warn "cancel all extension coros"; 3214 warn "cancelling all extension coros";
2332 $_->cancel for values %EXT_CORO; 3215 $_->cancel for values %EXT_CORO;
2333 %EXT_CORO = (); 3216 %EXT_CORO = ();
2334 3217
2335 warn "remove commands"; 3218 warn "removing commands";
2336 %COMMAND = (); 3219 %COMMAND = ();
2337 3220
2338 warn "remove ext commands"; 3221 warn "removing ext/exti commands";
2339 %EXTCMD = (); 3222 %EXTCMD = ();
3223 %EXTICMD = ();
2340 3224
2341 warn "unload/nuke all extensions"; 3225 warn "unloading/nuking all extensions";
2342 for my $pkg (@EXTS) { 3226 for my $pkg (@EXTS) {
2343 warn "... unloading $pkg"; 3227 warn "... unloading $pkg";
2344 3228
2345 if (my $cb = $pkg->can ("unload")) { 3229 if (my $cb = $pkg->can ("unload")) {
2346 eval { 3230 eval {
2351 3235
2352 warn "... nuking $pkg"; 3236 warn "... nuking $pkg";
2353 Symbol::delete_package $pkg; 3237 Symbol::delete_package $pkg;
2354 } 3238 }
2355 3239
2356 warn "unload all perl modules loaded from $LIBDIR"; 3240 warn "unloading all perl modules loaded from $LIBDIR";
2357 while (my ($k, $v) = each %INC) { 3241 while (my ($k, $v) = each %INC) {
2358 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3242 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359 3243
2360 warn "removing <$k>"; 3244 warn "... unloading $k";
2361 delete $INC{$k}; 3245 delete $INC{$k};
2362 3246
2363 $k =~ s/\.pm$//; 3247 $k =~ s/\.pm$//;
2364 $k =~ s/\//::/g; 3248 $k =~ s/\//::/g;
2365 3249
2368 } 3252 }
2369 3253
2370 Symbol::delete_package $k; 3254 Symbol::delete_package $k;
2371 } 3255 }
2372 3256
2373 warn "get rid of safe::, as good as possible"; 3257 warn "getting rid of safe::, as good as possible";
2374 Symbol::delete_package "safe::$_" 3258 Symbol::delete_package "safe::$_"
2375 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3259 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376 3260
2377 warn "unload cf.pm \"a bit\""; 3261 warn "unloading cf.pm \"a bit\"";
2378 delete $INC{"cf.pm"}; 3262 delete $INC{"cf.pm"};
3263 delete $INC{"cf/pod.pm"};
2379 3264
2380 # don't, removes xs symbols, too, 3265 # don't, removes xs symbols, too,
2381 # and global variables created in xs 3266 # and global variables created in xs
2382 #Symbol::delete_package __PACKAGE__; 3267 #Symbol::delete_package __PACKAGE__;
2383 3268
3269 warn "unload completed, starting to reload now";
3270
2384 warn "reloading cf.pm"; 3271 warn "reloading cf.pm";
2385 require cf; 3272 require cf;
2386 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3273 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387 3274
2388 warn "load config and database again"; 3275 warn "loading config and database again";
2389 cf::cfg_load; 3276 cf::reload_config;
2390 cf::db_load;
2391 3277
2392 warn "load extensions"; 3278 warn "loading extensions";
2393 cf::load_extensions; 3279 cf::load_extensions;
2394 3280
2395 warn "reattach attachments to objects/players"; 3281 warn "reattaching attachments to objects/players";
2396 _global_reattach; 3282 _global_reattach; # objects, sockets
2397 warn "reattach attachments to maps"; 3283 warn "reattaching attachments to maps";
2398 reattach $_ for values %MAP; 3284 reattach $_ for values %MAP;
2399 }; 3285 warn "reattaching attachments to players";
3286 reattach $_ for values %PLAYER;
2400 3287
2401 if ($@) { 3288 warn "leaving sync_job";
3289
3290 1
3291 } or do {
2402 warn $@; 3292 warn $@;
2403 warn "error while reloading, exiting."; 3293 warn "error while reloading, exiting.";
2404 exit 1; 3294 exit 1;
2405 } 3295 };
2406 3296
2407 warn "reloaded"; 3297 warn "reloaded";
2408}; 3298};
2409 3299
2410############################################################################# 3300our $RELOAD_WATCHER; # used only during reload
2411 3301
2412unless ($LINK_MAP) { 3302sub reload_perl() {
2413 $LINK_MAP = cf::map::new; 3303 # doing reload synchronously and two reloads happen back-to-back,
3304 # coro crashes during coro_state_free->destroy here.
2414 3305
2415 $LINK_MAP->width (41); 3306 $RELOAD_WATCHER ||= Event->timer (
2416 $LINK_MAP->height (41); 3307 reentrant => 0,
2417 $LINK_MAP->alloc;
2418 $LINK_MAP->path ("{link}");
2419 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422 # dirty hack because... archetypes are not yet loaded
2423 Event->timer (
2424 after => 10, 3308 after => 0,
3309 data => WF_AUTOCANCEL,
2425 cb => sub { 3310 cb => sub {
2426 $_[0]->w->cancel; 3311 do_reload_perl;
2427 3312 undef $RELOAD_WATCHER;
2428 # provide some exits "home"
2429 my $exit = cf::object::new "exit";
2430
2431 $exit->slaying ($EMERGENCY_POSITION->[0]);
2432 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435 $LINK_MAP->insert ($exit->clone, 19, 19);
2436 $LINK_MAP->insert ($exit->clone, 19, 20);
2437 $LINK_MAP->insert ($exit->clone, 19, 21);
2438 $LINK_MAP->insert ($exit->clone, 20, 19);
2439 $LINK_MAP->insert ($exit->clone, 20, 21);
2440 $LINK_MAP->insert ($exit->clone, 21, 19);
2441 $LINK_MAP->insert ($exit->clone, 21, 20);
2442 $LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444 $exit->destroy;
2445 }); 3313 },
2446 3314 );
2447 $LINK_MAP->{deny_save} = 1;
2448 $LINK_MAP->{deny_reset} = 1;
2449
2450 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451} 3315}
2452 3316
2453register_command "reload" => sub { 3317register_command "reload" => sub {
2454 my ($who, $arg) = @_; 3318 my ($who, $arg) = @_;
2455 3319
2456 if ($who->flag (FLAG_WIZ)) { 3320 if ($who->flag (FLAG_WIZ)) {
2457 $who->message ("start of reload.");
2458 reload;
2459 $who->message ("end of reload."); 3321 $who->message ("reloading server.");
3322 async { reload_perl };
2460 } 3323 }
2461}; 3324};
2462 3325
2463unshift @INC, $LIBDIR; 3326unshift @INC, $LIBDIR;
2464 3327
3328my $bug_warning = 0;
3329
3330our @WAIT_FOR_TICK;
3331our @WAIT_FOR_TICK_BEGIN;
3332
3333sub wait_for_tick {
3334 return unless $TICK_WATCHER->is_active;
3335 return if $Coro::current == $Coro::main;
3336
3337 my $signal = new Coro::Signal;
3338 push @WAIT_FOR_TICK, $signal;
3339 $signal->wait;
3340}
3341
3342sub wait_for_tick_begin {
3343 return unless $TICK_WATCHER->is_active;
3344 return if $Coro::current == $Coro::main;
3345
3346 my $signal = new Coro::Signal;
3347 push @WAIT_FOR_TICK_BEGIN, $signal;
3348 $signal->wait;
3349}
3350
3351 my $min = 1e6;#d#
3352 my $avg = 10;
2465$TICK_WATCHER = Event->timer ( 3353$TICK_WATCHER = Event->timer (
2466 reentrant => 0, 3354 reentrant => 0,
3355 parked => 1,
2467 prio => 0, 3356 prio => 0,
2468 at => $NEXT_TICK || $TICK, 3357 at => $NEXT_TICK || $TICK,
2469 data => WF_AUTOCANCEL, 3358 data => WF_AUTOCANCEL,
2470 cb => sub { 3359 cb => sub {
3360 if ($Coro::current != $Coro::main) {
3361 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3362 unless ++$bug_warning > 10;
3363 return;
3364 }
3365
3366 $NOW = $tick_start = Event::time;
3367
2471 cf::server_tick; # one server iteration 3368 cf::server_tick; # one server iteration
3369
3370 0 && sync_job {#d#
3371 for(1..10) {
3372 my $t = Event::time;
3373 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3374 or die;
3375
3376 $map->width (50);
3377 $map->height (50);
3378 $map->alloc;
3379 $map->_load_objects ("/tmp/x.map", 1);
3380 my $t = Event::time - $t;
3381
3382 #next unless $t < 0.0013;#d#
3383 if ($t < $min) {
3384 $min = $t;
3385 }
3386 $avg = $avg * 0.99 + $t * 0.01;
3387 }
3388 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3389 exit 0;
3390 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3391 };
3392
2472 $RUNTIME += $TICK; 3393 $RUNTIME += $TICK;
2473 $NEXT_TICK += $TICK; 3394 $NEXT_TICK += $TICK;
2474 3395
2475 $WAIT_FOR_TICK->broadcast; 3396 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3397 $NEXT_RUNTIME_WRITE = $NOW + 10;
3398 Coro::async_pool {
3399 write_runtime
3400 or warn "ERROR: unable to write runtime file: $!";
3401 };
3402 }
3403
3404# my $AFTER = Event::time;
3405# warn $AFTER - $NOW;#d#
3406
3407 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3408 $sig->send;
3409 }
3410 while (my $sig = shift @WAIT_FOR_TICK) {
3411 $sig->send;
3412 }
3413
3414 $NOW = Event::time;
2477 3415
2478 # if we are delayed by four ticks or more, skip them all 3416 # if we are delayed by four ticks or more, skip them all
2479 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3417 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480 3418
2481 $TICK_WATCHER->at ($NEXT_TICK); 3419 $TICK_WATCHER->at ($NEXT_TICK);
2482 $TICK_WATCHER->start; 3420 $TICK_WATCHER->start;
3421
3422 $LOAD = ($NOW - $tick_start) / $TICK;
3423 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3424
3425 _post_tick;
3426
3427
2483 }, 3428 },
2484); 3429);
2485 3430
3431{
2486IO::AIO::max_poll_time $TICK * 0.2; 3432 BDB::max_poll_time $TICK * 0.1;
2487 3433 $BDB_POLL_WATCHER = Event->io (
2488Event->io ( 3434 reentrant => 0,
2489 fd => IO::AIO::poll_fileno, 3435 fd => BDB::poll_fileno,
2490 poll => 'r', 3436 poll => 'r',
2491 prio => 5, 3437 prio => 0,
2492 data => WF_AUTOCANCEL,
2493 cb => \&IO::AIO::poll_cb,
2494);
2495
2496Event->timer (
2497 data => WF_AUTOCANCEL, 3438 data => WF_AUTOCANCEL,
2498 after => 0, 3439 cb => \&BDB::poll_cb,
2499 interval => 10, 3440 );
2500 cb => sub { 3441 BDB::min_parallel 8;
2501 (Coro::unblock_sub { 3442
2502 write_runtime 3443 BDB::set_sync_prepare {
2503 or warn "ERROR: unable to write runtime file: $!"; 3444 my $status;
3445 my $current = $Coro::current;
3446 (
3447 sub {
3448 $status = $!;
3449 $current->ready; undef $current;
3450 },
3451 sub {
3452 Coro::schedule while defined $current;
3453 $! = $status;
3454 },
3455 )
3456 };
3457
3458 unless ($DB_ENV) {
3459 $DB_ENV = BDB::db_env_create;
3460
3461 cf::sync_job {
3462 eval {
3463 BDB::db_env_open
3464 $DB_ENV,
3465 $BDBDIR,
3466 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3467 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3468 0666;
3469
3470 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3471
3472 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3473 $DB_ENV->set_lk_detect;
3474 };
3475
3476 cf::cleanup "db_env_open(db): $@" if $@;
2504 })->(); 3477 };
2505 }, 3478 }
2506); 3479}
3480
3481{
3482 IO::AIO::min_parallel 8;
3483
3484 undef $Coro::AIO::WATCHER;
3485 IO::AIO::max_poll_time $TICK * 0.1;
3486 $AIO_POLL_WATCHER = Event->io (
3487 reentrant => 0,
3488 data => WF_AUTOCANCEL,
3489 fd => IO::AIO::poll_fileno,
3490 poll => 'r',
3491 prio => 6,
3492 cb => \&IO::AIO::poll_cb,
3493 );
3494}
3495
3496my $_log_backtrace;
3497
3498sub _log_backtrace {
3499 my ($msg, @addr) = @_;
3500
3501 $msg =~ s/\n//;
3502
3503 # limit the # of concurrent backtraces
3504 if ($_log_backtrace < 2) {
3505 ++$_log_backtrace;
3506 async {
3507 my @bt = fork_call {
3508 @addr = map { sprintf "%x", $_ } @addr;
3509 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3510 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3511 or die "addr2line: $!";
3512
3513 my @funcs;
3514 my @res = <$fh>;
3515 chomp for @res;
3516 while (@res) {
3517 my ($func, $line) = splice @res, 0, 2, ();
3518 push @funcs, "[$func] $line";
3519 }
3520
3521 @funcs
3522 };
3523
3524 LOG llevInfo, "[ABT] $msg\n";
3525 LOG llevInfo, "[ABT] $_\n" for @bt;
3526 --$_log_backtrace;
3527 };
3528 } else {
3529 LOG llevInfo, "[ABT] $msg\n";
3530 LOG llevInfo, "[ABT] [suppressed]\n";
3531 }
3532}
3533
3534# load additional modules
3535use cf::pod;
2507 3536
2508END { cf::emergency_save } 3537END { cf::emergency_save }
2509 3538
25101 35391
2511 3540

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