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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.201 by root, Mon Jan 29 18:15:23 2007 UTC vs.
Revision 1.349 by root, Fri Aug 31 04:10:43 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 3.5 (); 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;
49our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 80our $NEXT_TICK;
52our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $DB_ENV;
53 86
54our %CFG; 87our %CFG;
55 88
56our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 90our $RUNTIME;
58 91
59our %PLAYER; # all users 92our %PLAYER; # all users
60our %MAP; # all maps 93our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 95
67# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
70binmode STDOUT; 103binmode STDOUT;
71binmode STDERR; 104binmode STDERR;
72 105
73# read virtual server time, if available 106# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
78} 111}
79 112
80mkdir cf::localdir; 113mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 115
86our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
87 117
88sub cf::map::normalise; 118sub cf::map::normalise;
89 119
100=item $cf::RUNTIME 130=item $cf::RUNTIME
101 131
102The 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
103every server tick. 133every server tick.
104 134
105=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
106 138
107The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
108be 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.
109 143
110=item $cf::NOW 144=item $cf::NOW
111 145
112The time of the last (current) server tick. 146The time of the last (current) server tick.
113 147
114=item $cf::TICK 148=item $cf::TICK
115 149
116The 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.
117 161
118=item %cf::CFG 162=item %cf::CFG
119 163
120Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
121from wherever your confdir points to. 165from wherever your confdir points to.
122 166
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
124 168
125These 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
126or 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
127processing 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.
128window 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.
129 178
130=back 179=back
131 180
132=cut 181=cut
133 182
134BEGIN { 183BEGIN {
135 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
136 my $msg = join "", @_; 185 my $msg = join "", @_;
137 utf8::encode $msg;
138 186
139 $msg .= "\n" 187 $msg .= "\n"
140 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
141 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
142 LOG llevError, $msg; 193 LOG llevError, $msg;
143 }; 194 };
144} 195}
145 196
146@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150@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';
151@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)
152 204
153# 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
154# within the Safe compartment. 206# within the Safe compartment.
155for my $pkg (qw( 207for my $pkg (qw(
156 cf::global cf::attachable 208 cf::global cf::attachable
164} 216}
165 217
166$Event::DIED = sub { 218$Event::DIED = sub {
167 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
168}; 220};
221
222#############################################################################
169 223
170=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
171 225
172=over 4 226=over 4
173 227
192 $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;
193 $d 247 $d
194 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
195} 249}
196 250
197use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
200 252
201Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
202 254
203=cut
204
205sub from_json($) {
206 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207 JSON::Syck::Load $_[0]
208}
209
210=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
211 256
212Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
213 258
214=cut 259=cut
215 260
216sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
218 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
219} 264sub from_json ($) { $json_coder->decode ($_[0]) }
220 265
221=item cf::lock_wait $string 266=item cf::lock_wait $string
222 267
223Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
224 269
227Wait 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
228a 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,
229for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
230returned. 275returned.
231 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
232Lock 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
233uses 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.
234 286
235=cut 287=cut
236 288
237our %LOCK; 289our %LOCK;
238 290
258 # wake up all waiters, to be on the safe side 310 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 311 $_->ready for @{ delete $LOCK{$key} };
260 } 312 }
261} 313}
262 314
315sub lock_active($) {
316 my ($key) = @_;
317
318 ! ! $LOCK{$key}
319}
320
263sub freeze_mainloop { 321sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 322 return unless $TICK_WATCHER->is_active;
265 323
266 my $guard = Coro::guard { 324 my $guard = Coro::guard {
267 $TICK_WATCHER->start; 325 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 }; 326 };
270 $WRITE_RUNTIME_WATCHER->stop;
271 $TICK_WATCHER->stop; 327 $TICK_WATCHER->stop;
272 $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;
273} 385}
274 386
275=item cf::async { BLOCK } 387=item cf::async { BLOCK }
276 388
277Currently the same as Coro::async_pool, meaning you cannot use 389Currently the same as Coro::async_pool, meaning you cannot use
282 394
283BEGIN { *async = \&Coro::async_pool } 395BEGIN { *async = \&Coro::async_pool }
284 396
285=item cf::sync_job { BLOCK } 397=item cf::sync_job { BLOCK }
286 398
287The design of crossfire+ requires that the main coro ($Coro::main) is 399The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 400is always able to handle events or runnable, as Crossfire TRT is only
289reentrant. 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.
290 403
291If 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
292the given BLOCK in another coroutine while waiting for the result. The 405the given BLOCK in another coroutine while waiting for the result. The
293server 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
294fast or be very important. 407fast or be very important.
297 410
298sub sync_job(&) { 411sub sync_job(&) {
299 my ($job) = @_; 412 my ($job) = @_;
300 413
301 if ($Coro::current == $Coro::main) { 414 if ($Coro::current == $Coro::main) {
415 my $time = Event::time;
416
302 # this is the main coro, too bad, we have to block 417 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 418 # till the operation succeeds, freezing the server :/
304 419
305 # TODO: use suspend/resume instead 420 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 421 # (but this is cancel-safe)
317 432
318 while ($busy) { 433 while ($busy) {
319 Coro::cede or Event::one_event; 434 Coro::cede or Event::one_event;
320 } 435 }
321 436
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
322 wantarray ? @res : $res[0] 444 wantarray ? @res : $res[0]
323 } else { 445 } else {
324 # we are in another coroutine, how wonderful, everything just works 446 # we are in another coroutine, how wonderful, everything just works
325 447
326 $job->() 448 $job->()
345 $EXT_CORO{$coro+0} = $coro; 467 $EXT_CORO{$coro+0} = $coro;
346 468
347 $coro 469 $coro
348} 470}
349 471
350sub write_runtime { 472=item fork_call { }, $args
351 my $runtime = cf::localdir . "/runtime";
352 473
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 474Executes the given code block with the given arguments in a seperate
354 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.
355 478
356 my $value = $cf::RUNTIME + 90 + 10; 479=cut
357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359 480
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 481sub fork_call(&@) {
361 and return; 482 my ($cb, @args) = @_;
362 483
363 aio_fsync $fh 484 # we seemingly have to make a local copy of the whole thing,
364 and return; 485 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (liekly this will be rather laborious)
365 487
366 close $fh 488 my @res = Coro::Util::fork_eval {
367 or return; 489 reset_signals;
490 &$cb
491 }, @args;
368 492
369 aio_rename "$runtime~", $runtime 493 wantarray ? @res : $res[-1]
370 and return; 494}
371 495
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 };
372 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 });
373} 621}
374 622
375=back 623=back
376 624
377=cut 625=cut
384attach callbacks/event handlers (a collection of which is called an "attachment") 632attach callbacks/event handlers (a collection of which is called an "attachment")
385to it. All such attachable objects support the following methods. 633to it. All such attachable objects support the following methods.
386 634
387In 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>
388C<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
389crossfire+). 637Crossfire TRT).
390 638
391=over 4 639=over 4
392 640
393=item $attachable->attach ($attachment, key => $value...) 641=item $attachable->attach ($attachment, key => $value...)
394 642
557 $registry = $CB_TYPE[$object_type] ||= []; 805 $registry = $CB_TYPE[$object_type] ||= [];
558 806
559 } elsif ($type eq "subtype") { 807 } elsif ($type eq "subtype") {
560 defined $object_type or Carp::croak "subtype specified without type"; 808 defined $object_type or Carp::croak "subtype specified without type";
561 my $object_subtype = shift @arg; 809 my $object_subtype = shift @arg;
562 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 810 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563 811
564 } elsif ($type eq "package") { 812 } elsif ($type eq "package") {
565 my $pkg = shift @arg; 813 my $pkg = shift @arg;
566 814
567 while (my ($name, $id) = each %cb_id) { 815 while (my ($name, $id) = each %cb_id) {
596 _attach $registry, $klass, @attach; 844 _attach $registry, $klass, @attach;
597 } 845 }
598 846
599 $obj->{$name} = \%arg; 847 $obj->{$name} = \%arg;
600 } else { 848 } else {
601 warn "object uses attachment '$name' that is not available, postponing.\n"; 849 warn "object uses attachment '$name' which is not available, postponing.\n";
602 } 850 }
603 851
604 $obj->{_attachment}{$name} = undef; 852 $obj->{_attachment}{$name} = undef;
605} 853}
606 854
608 if (ref $_[0]) { 856 if (ref $_[0]) {
609 _object_attach @_; 857 _object_attach @_;
610 } else { 858 } else {
611 _attach shift->_attach_registry, @_; 859 _attach shift->_attach_registry, @_;
612 } 860 }
861 _recalc_want;
613}; 862};
614 863
615# all those should be optimised 864# all those should be optimised
616sub cf::attachable::detach { 865sub cf::attachable::detach {
617 my ($obj, $name) = @_; 866 my ($obj, $name) = @_;
620 delete $obj->{_attachment}{$name}; 869 delete $obj->{_attachment}{$name};
621 reattach ($obj); 870 reattach ($obj);
622 } else { 871 } else {
623 Carp::croak "cannot, currently, detach class attachments"; 872 Carp::croak "cannot, currently, detach class attachments";
624 } 873 }
874 _recalc_want;
625}; 875};
626 876
627sub cf::attachable::attached { 877sub cf::attachable::attached {
628 my ($obj, $name) = @_; 878 my ($obj, $name) = @_;
629 879
644 "; 894 ";
645 die if $@; 895 die if $@;
646} 896}
647 897
648our $override; 898our $override;
649our @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?
650 900
651sub override { 901sub override {
652 $override = 1; 902 $override = 1;
653 @invoke_results = (); 903 @INVOKE_RESULTS = (@_);
654} 904}
655 905
656sub do_invoke { 906sub do_invoke {
657 my $event = shift; 907 my $event = shift;
658 my $callbacks = shift; 908 my $callbacks = shift;
659 909
660 @invoke_results = (); 910 @INVOKE_RESULTS = ();
661 911
662 local $override; 912 local $override;
663 913
664 for (@$callbacks) { 914 for (@$callbacks) {
665 eval { &{$_->[1]} }; 915 eval { &{$_->[1]} };
682 932
683Generate an object-specific event with the given arguments. 933Generate an object-specific event with the given arguments.
684 934
685This 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
686removed 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
687results (if you must, access C<@cf::invoke_results> directly). 937results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688 938
689=back 939=back
690 940
691=cut 941=cut
692 942
693############################################################################# 943#############################################################################
694# 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}
695 956
696sub reattach { 957sub reattach {
697 # basically do the same as instantiate, without calling instantiate 958 # basically do the same as instantiate, without calling instantiate
698 my ($obj) = @_; 959 my ($obj) = @_;
699 960
752 $filename, length $$rdata, scalar @$objs; 1013 $filename, length $$rdata, scalar @$objs;
753 1014
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1015 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 1016 chmod SAVE_MODE, $fh;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1017 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757 aio_fsync $fh; 1018 aio_fsync $fh if $cf::USE_FSYNC;
758 close $fh; 1019 close $fh;
759 1020
760 if (@$objs) { 1021 if (@$objs) {
761 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) {
762 chmod SAVE_MODE, $fh; 1023 chmod SAVE_MODE, $fh;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1024 my $data = Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 1025 aio_write $fh, 0, (length $data), $data, 0;
765 aio_fsync $fh; 1026 aio_fsync $fh if $cf::USE_FSYNC;
766 close $fh; 1027 close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 1028 aio_rename "$filename.pst~", "$filename.pst";
768 } 1029 }
769 } else { 1030 } else {
770 aio_unlink "$filename.pst"; 1031 aio_unlink "$filename.pst";
776 } 1037 }
777 } else { 1038 } else {
778 aio_unlink $filename; 1039 aio_unlink $filename;
779 aio_unlink "$filename.pst"; 1040 aio_unlink "$filename.pst";
780 } 1041 }
781
782 #d##TODO# nuke non .map-files if exist
783 if ($filename =~ s/\.map$//) {
784 aio_unlink $filename;
785 aio_unlink "$filename.pst";
786 }
787 } 1042 }
788} 1043}
789 1044
790sub object_freezer_as_string { 1045sub object_freezer_as_string {
791 my ($rdata, $objs) = @_; 1046 my ($rdata, $objs) = @_;
797 1052
798sub object_thawer_load { 1053sub object_thawer_load {
799 my ($filename) = @_; 1054 my ($filename) = @_;
800 1055
801 my ($data, $av); 1056 my ($data, $av);
802
803 #d#TODO remove .map if file does not exist
804 aio_stat $filename and $filename =~ s/\.map$//;
805 1057
806 (aio_load $filename, $data) >= 0 1058 (aio_load $filename, $data) >= 0
807 or return; 1059 or return;
808 1060
809 unless (aio_stat "$filename.pst") { 1061 unless (aio_stat "$filename.pst") {
811 or return; 1063 or return;
812 $av = eval { (Storable::thaw $av)->{objs} }; 1064 $av = eval { (Storable::thaw $av)->{objs} };
813 } 1065 }
814 1066
815 warn sprintf "loading %s (%d)\n", 1067 warn sprintf "loading %s (%d)\n",
816 $filename, length $data, scalar @{$av || []};#d# 1068 $filename, length $data, scalar @{$av || []};
817 return ($data, $av); 1069 return ($data, $av);
818} 1070}
1071
1072=head2 COMMAND CALLBACKS
1073
1074=over 4
1075
1076=cut
819 1077
820############################################################################# 1078#############################################################################
821# command handling &c 1079# command handling &c
822 1080
823=item cf::register_command $name => \&callback($ob,$args); 1081=item cf::register_command $name => \&callback($ob,$args);
836 push @{ $COMMAND{$name} }, [$caller, $cb]; 1094 push @{ $COMMAND{$name} }, [$caller, $cb];
837} 1095}
838 1096
839=item cf::register_extcmd $name => \&callback($pl,$packet); 1097=item cf::register_extcmd $name => \&callback($pl,$packet);
840 1098
841Register 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.
842 1104
843If 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
844called. 1106called.
845 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
846=cut 1119=cut
847 1120
848sub register_extcmd { 1121sub register_extcmd {
849 my ($name, $cb) = @_; 1122 my ($name, $cb) = @_;
850 1123
851 $EXTCMD{$name} = $cb; 1124 $EXTCMD{$name} = $cb;
1125}
1126
1127sub register_exticmd {
1128 my ($name, $cb) = @_;
1129
1130 $EXTICMD{$name} = $cb;
852} 1131}
853 1132
854cf::player->attach ( 1133cf::player->attach (
855 on_command => sub { 1134 on_command => sub {
856 my ($pl, $name, $params) = @_; 1135 my ($pl, $name, $params) = @_;
865 cf::override; 1144 cf::override;
866 }, 1145 },
867 on_extcmd => sub { 1146 on_extcmd => sub {
868 my ($pl, $buf) = @_; 1147 my ($pl, $buf) = @_;
869 1148
870 my $msg = eval { from_json $buf }; 1149 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871 1150
872 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
873 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1159 if (my $cb = $EXTCMD{$type}) {
874 if (my %reply = $cb->($pl, $msg)) { 1160 @reply = $cb->($pl, @payload);
875 $pl->ext_reply ($msg->{msgid}, %reply);
876 }
877 } 1161 }
1162
1163 $pl->ext_reply ($reply, @reply)
1164 if $reply;
1165
878 } else { 1166 } else {
879 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1167 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880 } 1168 }
881 1169
882 cf::override; 1170 cf::override;
883 }, 1171 },
884); 1172);
885 1173
886sub load_extension {
887 my ($path) = @_;
888
889 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
890 my $base = $1;
891 my $pkg = $1;
892 $pkg =~ s/[^[:word:]]/_/g;
893 $pkg = "ext::$pkg";
894
895 warn "... loading '$path' into '$pkg'\n";
896
897 open my $fh, "<:utf8", $path
898 or die "$path: $!";
899
900 my $source =
901 "package $pkg; use strict; use utf8;\n"
902 . "#line 1 \"$path\"\n{\n"
903 . (do { local $/; <$fh> })
904 . "\n};\n1";
905
906 unless (eval $source) {
907 my $msg = $@ ? "$path: $@\n"
908 : "extension disabled.\n";
909 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910 warn $@;
911 warn "mandatory extension failed to load, exiting.\n";
912 exit 1;
913 }
914 die $@;
915 }
916
917 push @EXTS, $pkg;
918}
919
920sub load_extensions { 1174sub load_extensions {
1175 cf::sync_job {
1176 my %todo;
1177
921 for my $ext (<$LIBDIR/*.ext>) { 1178 for my $path (<$LIBDIR/*.ext>) {
922 next unless -r $ext; 1179 next unless -r $path;
923 eval { 1180
924 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;
925 1 1238 }
926 } or warn "$ext not loaded: $@"; 1239
1240 skip:
1241 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1242 unless $progress;
1243 }
927 } 1244 };
928} 1245}
929 1246
930############################################################################# 1247#############################################################################
931 1248
1249=back
1250
932=head2 CORE EXTENSIONS 1251=head2 CORE EXTENSIONS
933 1252
934Functions and methods that extend core crossfire objects. 1253Functions and methods that extend core crossfire objects.
935 1254
936=cut 1255=cut
948Returns the given player object, loading it if necessary (might block). 1267Returns the given player object, loading it if necessary (might block).
949 1268
950=cut 1269=cut
951 1270
952sub playerdir($) { 1271sub playerdir($) {
953 cf::localdir 1272 "$PLAYERDIR/"
954 . "/"
955 . cf::playerdir
956 . "/"
957 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1273 . (ref $_[0] ? $_[0]->ob->name : $_[0])
958} 1274}
959 1275
960sub path($) { 1276sub path($) {
961 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1277 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962 1278
963 (playerdir $login) . "/$login.pl" 1279 (playerdir $login) . "/playerdata"
964} 1280}
965 1281
966sub find_active($) { 1282sub find_active($) {
967 $cf::PLAYER{$_[0]} 1283 $cf::PLAYER{$_[0]}
968 and $cf::PLAYER{$_[0]}->active 1284 and $cf::PLAYER{$_[0]}->active
981 my $login = $_[0]; 1297 my $login = $_[0];
982 1298
983 my $guard = cf::lock_acquire "user_find:$login"; 1299 my $guard = cf::lock_acquire "user_find:$login";
984 1300
985 $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
986 my $pl = load_pl path $login 1309 my $pl = load_pl path $login
987 or return; 1310 or return;
988 $cf::PLAYER{$login} = $pl 1311 $cf::PLAYER{$login} = $pl
989 } 1312 }
990 } 1313 }
1002 1325
1003 aio_mkdir playerdir $pl, 0770; 1326 aio_mkdir playerdir $pl, 0770;
1004 $pl->{last_save} = $cf::RUNTIME; 1327 $pl->{last_save} = $cf::RUNTIME;
1005 1328
1006 $pl->save_pl ($path); 1329 $pl->save_pl ($path);
1007 Coro::cede; 1330 cf::cede_to_tick;
1008} 1331}
1009 1332
1010sub new($) { 1333sub new($) {
1011 my ($login) = @_; 1334 my ($login) = @_;
1012 1335
1018 $cf::PLAYER{$login} = $self; 1341 $cf::PLAYER{$login} = $self;
1019 1342
1020 $self 1343 $self
1021} 1344}
1022 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
1023=item $pl->quit_character 1356=item $pl->quit_character
1024 1357
1025Nukes the player without looking back. If logged in, the connection will 1358Nukes the player without looking back. If logged in, the connection will
1026be destroyed. May block for a long time. 1359be destroyed. May block for a long time.
1027 1360
1028=cut 1361=cut
1029 1362
1030sub quit_character { 1363sub quit_character {
1031 my ($pl) = @_; 1364 my ($pl) = @_;
1365
1366 my $name = $pl->ob->name;
1032 1367
1033 $pl->{deny_save} = 1; 1368 $pl->{deny_save} = 1;
1034 $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
1035 1370
1036 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1371 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041 my $path = playerdir $pl; 1376 my $path = playerdir $pl;
1042 my $temp = "$path~$cf::RUNTIME~deleting~"; 1377 my $temp = "$path~$cf::RUNTIME~deleting~";
1043 aio_rename $path, $temp; 1378 aio_rename $path, $temp;
1044 delete $cf::PLAYER{$pl->ob->name}; 1379 delete $cf::PLAYER{$pl->ob->name};
1045 $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
1046 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;
1047} 1402}
1048 1403
1049=item cf::player::list_logins 1404=item cf::player::list_logins
1050 1405
1051Returns 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
1052while and may block, so not sync_job-capable, ever. 1407while and may block, so not sync_job-capable, ever.
1053 1408
1054=cut 1409=cut
1055 1410
1056sub list_logins { 1411sub list_logins {
1057 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1412 my $dirs = aio_readdir $PLAYERDIR
1058 or return []; 1413 or return [];
1059 1414
1060 my @logins; 1415 my @logins;
1061 1416
1062 for my $login (@$dirs) { 1417 for my $login (@$dirs) {
1097 } 1452 }
1098 1453
1099 \@paths 1454 \@paths
1100} 1455}
1101 1456
1457=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1458
1459Expand crossfire pod fragments into protocol xml.
1460
1461=cut
1462
1463sub expand_cfpod {
1464 ((my $self), (local $_)) = @_;
1465
1466 # escape & and <
1467 s/&/&amp;/g;
1468 s/(?<![BIUGH])</&lt;/g;
1469
1470 # this is buggy, it needs to properly take care of nested <'s
1471
1472 1 while
1473 # replace B<>, I<>, U<> etc.
1474 s/B<([^\>]*)>/<b>$1<\/b>/
1475 || s/I<([^\>]*)>/<i>$1<\/i>/
1476 || s/U<([^\>]*)>/<u>$1<\/u>/
1477 # replace G<male|female> tags
1478 || s{G<([^>|]*)\|([^>]*)>}{
1479 $self->gender ? $2 : $1
1480 }ge
1481 # replace H<hint text>
1482 || s{H<([^\>]*)>}
1483 {
1484 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486 "")
1487 [$self->{hintmode}]
1488 }ge;
1489
1490 # create single paragraphs (very hackish)
1491 s/(?<=\S)\n(?=\w)/ /g;
1492
1493 # compress some whitespace
1494 s/\s+\n/\n/g; # ws line-ends
1495 s/\n\n+/\n/g; # double lines
1496 s/^\n+//; # beginning lines
1497 s/\n+$//; # ending lines
1498
1499 $_
1500}
1501
1502sub hintmode {
1503 $_[0]{hintmode} = $_[1] if @_ > 1;
1504 $_[0]{hintmode}
1505}
1506
1102=item $player->ext_reply ($msgid, $msgtype, %msg) 1507=item $player->ext_reply ($msgid, @msg)
1103 1508
1104Sends an ext reply to the player. 1509Sends an ext reply to the player.
1105 1510
1106=cut 1511=cut
1107 1512
1108sub ext_reply($$$%) { 1513sub ext_reply($$@) {
1109 my ($self, $id, %msg) = @_; 1514 my ($self, $id, @msg) = @_;
1110 1515
1111 $msg{msgid} = $id; 1516 $self->ns->ext_reply ($id, @msg)
1112
1113 $self->send ("ext " . cf::to_json \%msg);
1114} 1517}
1115 1518
1116package cf; 1519=item $player->ext_msg ($type, @msg)
1520
1521Sends an ext event to the client.
1522
1523=cut
1524
1525sub ext_msg($$@) {
1526 my ($self, $type, @msg) = @_;
1527
1528 $self->ns->ext_msg ($type, @msg);
1529}
1530
1531=head3 cf::region
1532
1533=over 4
1534
1535=cut
1536
1537package cf::region;
1538
1539=item cf::region::find_by_path $path
1540
1541Tries to decuce the likely region for a map knowing only its path.
1542
1543=cut
1544
1545sub find_by_path($) {
1546 my ($path) = @_;
1547
1548 my ($match, $specificity);
1549
1550 for my $region (list) {
1551 if ($region->{match} && $path =~ $region->{match}) {
1552 ($match, $specificity) = ($region, $region->specificity)
1553 if $region->specificity > $specificity;
1554 }
1555 }
1556
1557 $match
1558}
1117 1559
1118=back 1560=back
1119
1120 1561
1121=head3 cf::map 1562=head3 cf::map
1122 1563
1123=over 4 1564=over 4
1124 1565
1179 my ($self, $merge) = @_; 1620 my ($self, $merge) = @_;
1180 1621
1181 # we have to keep some variables in memory intact 1622 # we have to keep some variables in memory intact
1182 local $self->{path}; 1623 local $self->{path};
1183 local $self->{load_path}; 1624 local $self->{load_path};
1184 local $self->{deny_save};
1185 local $self->{deny_reset};
1186 1625
1187 $self->SUPER::thawer_merge ($merge); 1626 $self->SUPER::thawer_merge ($merge);
1188} 1627}
1189 1628
1190sub normalise { 1629sub normalise {
1237 $self->init; # pass $1 etc. 1676 $self->init; # pass $1 etc.
1238 return $self; 1677 return $self;
1239 } 1678 }
1240 } 1679 }
1241 1680
1242 Carp::carp "unable to resolve path '$path' (base '$base')."; 1681 Carp::cluck "unable to resolve path '$path' (base '$base').";
1243 () 1682 ()
1244} 1683}
1245 1684
1246sub init { 1685sub init {
1247 my ($self) = @_; 1686 my ($self) = @_;
1262 1701
1263# the original (read-only) location 1702# the original (read-only) location
1264sub load_path { 1703sub load_path {
1265 my ($self) = @_; 1704 my ($self) = @_;
1266 1705
1267 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1706 "$MAPDIR/$self->{path}.map"
1268} 1707}
1269 1708
1270# the temporary/swap location 1709# the temporary/swap location
1271sub save_path { 1710sub save_path {
1272 my ($self) = @_; 1711 my ($self) = @_;
1273 1712
1274 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1713 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1714 "$TMPDIR/$path.map"
1276} 1715}
1277 1716
1278# the unique path, undef == no special unique path 1717# the unique path, undef == no special unique path
1279sub uniq_path { 1718sub uniq_path {
1280 my ($self) = @_; 1719 my ($self) = @_;
1281 1720
1282 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1721 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1722 "$UNIQUEDIR/$path"
1284} 1723}
1285 1724
1286# and all this just because we cannot iterate over 1725# and all this just because we cannot iterate over
1287# all maps in C++... 1726# all maps in C++...
1288sub change_all_map_light { 1727sub change_all_map_light {
1290 1729
1291 $_->change_map_light ($change) 1730 $_->change_map_light ($change)
1292 for grep $_->outdoor, values %cf::MAP; 1731 for grep $_->outdoor, values %cf::MAP;
1293} 1732}
1294 1733
1734sub decay_objects {
1735 my ($self) = @_;
1736
1737 return if $self->{deny_reset};
1738
1739 $self->do_decay_objects;
1740}
1741
1295sub unlink_save { 1742sub unlink_save {
1296 my ($self) = @_; 1743 my ($self) = @_;
1297 1744
1298 utf8::encode (my $save = $self->save_path); 1745 utf8::encode (my $save = $self->save_path);
1299 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1746 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1747 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302 #d#TODO remove .map and also nuke
1303 $save =~ s/\.map// or return;#d#
1304 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306} 1748}
1307 1749
1308sub load_header_from($) { 1750sub load_header_from($) {
1309 my ($self, $path) = @_; 1751 my ($self, $path) = @_;
1310 1752
1360 $self->load_header_orig 1802 $self->load_header_orig
1361 or return; 1803 or return;
1362 $self->prepare_orig; 1804 $self->prepare_orig;
1363 } 1805 }
1364 1806
1807 $self->{deny_reset} = 1
1808 if $self->no_reset;
1809
1810 $self->default_region (cf::region::find_by_path $self->{path})
1811 unless $self->default_region;
1812
1365 1 1813 1
1366} 1814}
1367 1815
1368sub find; 1816sub find;
1369sub find { 1817sub find {
1381 $map->{last_save} = $cf::RUNTIME; 1829 $map->{last_save} = $cf::RUNTIME;
1382 1830
1383 $map->load_header 1831 $map->load_header
1384 or return; 1832 or return;
1385 1833
1386 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1834 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387 # doing this can freeze the server in a sync job, obviously 1835 # doing this can freeze the server in a sync job, obviously
1388 #$cf::WAIT_FOR_TICK->wait; 1836 #$cf::WAIT_FOR_TICK->wait;
1389 $map->reset; 1837 $map->reset;
1390 undef $guard; 1838 undef $guard;
1391 return find $path; 1839 return find $path;
1402 my ($self) = @_; 1850 my ($self) = @_;
1403 1851
1404 local $self->{deny_reset} = 1; # loading can take a long time 1852 local $self->{deny_reset} = 1; # loading can take a long time
1405 1853
1406 my $path = $self->{path}; 1854 my $path = $self->{path};
1855
1856 {
1857 my $guard1 = cf::lock_acquire "map_data:$path";
1407 my $guard = cf::lock_acquire "map_load:$path"; 1858 my $guard2 = cf::lock_acquire "map_load:$path";
1408 1859
1409 return if $self->in_memory != cf::MAP_SWAPPED; 1860 return if $self->in_memory != cf::MAP_SWAPPED;
1410 1861
1411 $self->in_memory (cf::MAP_LOADING); 1862 $self->in_memory (cf::MAP_LOADING);
1412 1863
1413 $self->alloc; 1864 $self->alloc;
1414 1865
1415 $self->pre_load; 1866 $self->pre_load;
1867 cf::cede_to_tick;
1416 1868
1417 $self->_load_objects ($self->{load_path}, 1) 1869 $self->_load_objects ($self->{load_path}, 1)
1418 or return; 1870 or return;
1419 1871
1420 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1872 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421 if delete $self->{load_original}; 1873 if delete $self->{load_original};
1422 1874
1423 if (my $uniq = $self->uniq_path) { 1875 if (my $uniq = $self->uniq_path) {
1424 utf8::encode $uniq; 1876 utf8::encode $uniq;
1425 if (aio_open $uniq, O_RDONLY, 0) { 1877 if (aio_open $uniq, O_RDONLY, 0) {
1426 $self->clear_unique_items; 1878 $self->clear_unique_items;
1427 $self->_load_objects ($uniq, 0); 1879 $self->_load_objects ($uniq, 0);
1428 } 1880 }
1429 } 1881 }
1430 1882
1431 Coro::cede; 1883 cf::cede_to_tick;
1432
1433 # now do the right thing for maps 1884 # now do the right thing for maps
1434 $self->link_multipart_objects; 1885 $self->link_multipart_objects;
1435
1436 unless ($self->{deny_activate}) {
1437 $self->decay_objects;
1438 $self->fix_auto_apply;
1439 $self->update_buttons;
1440 Coro::cede;
1441 $self->set_darkness_map;
1442 $self->difficulty ($self->estimate_difficulty) 1886 $self->difficulty ($self->estimate_difficulty)
1443 unless $self->difficulty; 1887 unless $self->difficulty;
1444 Coro::cede; 1888 cf::cede_to_tick;
1889
1890 unless ($self->{deny_activate}) {
1891 $self->decay_objects;
1892 $self->fix_auto_apply;
1893 $self->update_buttons;
1894 cf::cede_to_tick;
1895 $self->set_darkness_map;
1896 cf::cede_to_tick;
1445 $self->activate; 1897 $self->activate;
1898 }
1899
1900 $self->{last_save} = $cf::RUNTIME;
1901 $self->last_access ($cf::RUNTIME);
1902
1903 $self->in_memory (cf::MAP_IN_MEMORY);
1446 } 1904 }
1447 1905
1448 $self->post_load; 1906 $self->post_load;
1449
1450 $self->in_memory (cf::MAP_IN_MEMORY);
1451} 1907}
1452 1908
1453sub customise_for { 1909sub customise_for {
1454 my ($self, $ob) = @_; 1910 my ($self, $ob) = @_;
1455 1911
1456 return find "~" . $ob->name . "/" . $self->{path} 1912 return find "~" . $ob->name . "/" . $self->{path}
1457 if $self->per_player; 1913 if $self->per_player;
1458 1914
1915# return find "?party/" . $ob->name . "/" . $self->{path}
1916# if $self->per_party;
1917
1459 $self 1918 $self
1460} 1919}
1461 1920
1462# find and load all maps in the 3x3 area around a map 1921# find and load all maps in the 3x3 area around a map
1463sub load_diag { 1922sub load_neighbours {
1464 my ($map) = @_; 1923 my ($map) = @_;
1465 1924
1466 my @diag; # diagonal neighbours 1925 my @neigh; # diagonal neighbours
1467 1926
1468 for (0 .. 3) { 1927 for (0 .. 3) {
1469 my $neigh = $map->tile_path ($_) 1928 my $neigh = $map->tile_path ($_)
1470 or next; 1929 or next;
1471 $neigh = find $neigh, $map 1930 $neigh = find $neigh, $map
1472 or next; 1931 or next;
1473 $neigh->load; 1932 $neigh->load;
1474 1933
1934 push @neigh,
1475 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1935 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1476 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1936 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1477 } 1937 }
1478 1938
1479 for (@diag) { 1939 for (grep defined $_->[0], @neigh) {
1940 my ($path, $origin) = @$_;
1480 my $neigh = find @$_ 1941 my $neigh = find $path, $origin
1481 or next; 1942 or next;
1482 $neigh->load; 1943 $neigh->load;
1483 } 1944 }
1484} 1945}
1485 1946
1490} 1951}
1491 1952
1492sub do_load_sync { 1953sub do_load_sync {
1493 my ($map) = @_; 1954 my ($map) = @_;
1494 1955
1956 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1957 if $Coro::current == $Coro::main;
1958
1495 cf::sync_job { $map->load }; 1959 cf::sync_job { $map->load };
1496} 1960}
1497 1961
1498our %MAP_PREFETCH; 1962our %MAP_PREFETCH;
1499our $MAP_PREFETCHER = undef; 1963our $MAP_PREFETCHER = undef;
1500 1964
1501sub find_async { 1965sub find_async {
1502 my ($path, $origin) = @_; 1966 my ($path, $origin, $load) = @_;
1503 1967
1504 $path = normalise $path, $origin && $origin->{path}; 1968 $path = normalise $path, $origin && $origin->{path};
1505 1969
1506 if (my $map = $cf::MAP{$path}) { 1970 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1971 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1972 }
1509 1973
1510 undef $MAP_PREFETCH{$path}; 1974 $MAP_PREFETCH{$path} |= $load;
1975
1511 $MAP_PREFETCHER ||= cf::async { 1976 $MAP_PREFETCHER ||= cf::async {
1512 while (%MAP_PREFETCH) { 1977 while (%MAP_PREFETCH) {
1513 for my $path (keys %MAP_PREFETCH) { 1978 while (my ($k, $v) = each %MAP_PREFETCH) {
1514 my $map = find $path 1979 if (my $map = find $k) {
1515 or next;
1516 $map->load; 1980 $map->load if $v;
1981 }
1517 1982
1518 delete $MAP_PREFETCH{$path}; 1983 delete $MAP_PREFETCH{$k};
1519 } 1984 }
1520 } 1985 }
1521 undef $MAP_PREFETCHER; 1986 undef $MAP_PREFETCHER;
1522 }; 1987 };
1523 $MAP_PREFETCHER->prio (6); 1988 $MAP_PREFETCHER->prio (6);
1526} 1991}
1527 1992
1528sub save { 1993sub save {
1529 my ($self) = @_; 1994 my ($self) = @_;
1530 1995
1531 my $lock = cf::lock_acquire "map_data:" . $self->path; 1996 my $lock = cf::lock_acquire "map_data:$self->{path}";
1532 1997
1533 $self->{last_save} = $cf::RUNTIME; 1998 $self->{last_save} = $cf::RUNTIME;
1534 1999
1535 return unless $self->dirty; 2000 return unless $self->dirty;
1536 2001
1559 my ($self) = @_; 2024 my ($self) = @_;
1560 2025
1561 # save first because save cedes 2026 # save first because save cedes
1562 $self->save; 2027 $self->save;
1563 2028
1564 my $lock = cf::lock_acquire "map_data:" . $self->path; 2029 my $lock = cf::lock_acquire "map_data:$self->{path}";
1565 2030
1566 return if $self->players; 2031 return if $self->players;
1567 return if $self->in_memory != cf::MAP_IN_MEMORY; 2032 return if $self->in_memory != cf::MAP_IN_MEMORY;
1568 return if $self->{deny_save}; 2033 return if $self->{deny_save};
1569 2034
1573 2038
1574sub reset_at { 2039sub reset_at {
1575 my ($self) = @_; 2040 my ($self) = @_;
1576 2041
1577 # TODO: safety, remove and allow resettable per-player maps 2042 # TODO: safety, remove and allow resettable per-player maps
1578 return 1e99 if $self->isa ("ext::map_per_player");#d#
1579 return 1e99 if $self->{deny_reset}; 2043 return 1e99 if $self->{deny_reset};
1580 2044
1581 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2045 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2046 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583 2047
1594 my ($self) = @_; 2058 my ($self) = @_;
1595 2059
1596 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2060 my $lock = cf::lock_acquire "map_data:$self->{path}";
1597 2061
1598 return if $self->players; 2062 return if $self->players;
1599 return if $self->isa ("ext::map_per_player");#d#
1600 2063
1601 warn "resetting map ", $self->path;#d# 2064 warn "resetting map ", $self->path;
2065
2066 $self->in_memory (cf::MAP_SWAPPED);
2067
2068 # need to save uniques path
2069 unless ($self->{deny_save}) {
2070 my $uniq = $self->uniq_path; utf8::encode $uniq;
2071
2072 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2073 if $uniq;
2074 }
1602 2075
1603 delete $cf::MAP{$self->path}; 2076 delete $cf::MAP{$self->path};
1604 2077
1605 $self->in_memory (cf::MAP_SWAPPED);
1606 $self->clear; 2078 $self->clear;
1607 2079
1608 $_->clear_links_to ($self) for values %cf::MAP; 2080 $_->clear_links_to ($self) for values %cf::MAP;
1609 2081
1610 $self->unlink_save; 2082 $self->unlink_save;
1614my $nuke_counter = "aaaa"; 2086my $nuke_counter = "aaaa";
1615 2087
1616sub nuke { 2088sub nuke {
1617 my ($self) = @_; 2089 my ($self) = @_;
1618 2090
2091 {
2092 my $lock = cf::lock_acquire "map_data:$self->{path}";
2093
1619 delete $cf::MAP{$self->path}; 2094 delete $cf::MAP{$self->path};
1620 2095
1621 $self->unlink_save;
1622
1623 bless $self, "cf::map"; 2096 bless $self, "cf::map";
1624 delete $self->{deny_reset}; 2097 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 2098 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 2099 $self->reset_timeout (1);
1627 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2100 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628 2101
2102 $self->unlink_save;
2103
1629 $cf::MAP{$self->path} = $self; 2104 $cf::MAP{$self->path} = $self;
2105 }
1630 2106
1631 $self->reset; # polite request, might not happen 2107 $self->reset; # polite request, might not happen
2108}
2109
2110=item $maps = cf::map::tmp_maps
2111
2112Returns an arrayref with all map paths of currently instantiated and saved
2113maps. May block.
2114
2115=cut
2116
2117sub tmp_maps() {
2118 [
2119 map {
2120 utf8::decode $_;
2121 /\.map$/
2122 ? normalise $_
2123 : ()
2124 } @{ aio_readdir $TMPDIR or [] }
2125 ]
2126}
2127
2128=item $maps = cf::map::random_maps
2129
2130Returns an arrayref with all map paths of currently instantiated and saved
2131random maps. May block.
2132
2133=cut
2134
2135sub random_maps() {
2136 [
2137 map {
2138 utf8::decode $_;
2139 /\.map$/
2140 ? normalise "?random/$_"
2141 : ()
2142 } @{ aio_readdir $RANDOMDIR or [] }
2143 ]
1632} 2144}
1633 2145
1634=item cf::map::unique_maps 2146=item cf::map::unique_maps
1635 2147
1636Returns an arrayref of paths of all shared maps that have 2148Returns an arrayref of paths of all shared maps that have
1637instantiated unique items. May block. 2149instantiated unique items. May block.
1638 2150
1639=cut 2151=cut
1640 2152
1641sub unique_maps() { 2153sub unique_maps() {
1642 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2154 [
1643 or return; 2155 map {
1644
1645 my @paths;
1646
1647 for (@$files) {
1648 utf8::decode $_; 2156 utf8::decode $_;
1649 next if /\.pst$/; 2157 /\.map$/
1650 next unless /^$PATH_SEP/o; 2158 ? normalise $_
1651 2159 : ()
1652 push @paths, cf::map::normalise $_; 2160 } @{ aio_readdir $UNIQUEDIR or [] }
1653 } 2161 ]
1654
1655 \@paths
1656} 2162}
1657 2163
1658package cf; 2164package cf;
1659 2165
1660=back 2166=back
1706 2212
1707 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2213 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708 2214
1709 if ($self->{record_replies}) { 2215 if ($self->{record_replies}) {
1710 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2216 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2217
1711 } else { 2218 } else {
2219 my $pl = $self->contr;
2220
2221 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2222 my $dialog = $pl->{npc_dialog};
2223 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2224
2225 } else {
1712 $msg = $npc->name . " says: $msg" if $npc; 2226 $msg = $npc->name . " says: $msg" if $npc;
1713 $self->message ($msg, $flags); 2227 $self->message ($msg, $flags);
2228 }
1714 } 2229 }
2230}
2231
2232=item $object->send_msg ($channel, $msg, $color, [extra...])
2233
2234=cut
2235
2236sub cf::object::send_msg {
2237 my $pl = shift->contr
2238 or return;
2239 $pl->send_msg (@_);
1715} 2240}
1716 2241
1717=item $player_object->may ("access") 2242=item $player_object->may ("access")
1718 2243
1719Returns wether the given player is authorized to access resource "access" 2244Returns wether the given player is authorized to access resource "access"
1766 $self->deactivate_recursive; 2291 $self->deactivate_recursive;
1767 2292
1768 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2293 return if UNIVERSAL::isa $self->map, "ext::map_link";
1769 2294
1770 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2295 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771 if $self->map; 2296 if $self->map && $self->map->{path} ne "{link}";
1772 2297
1773 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2298 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1774} 2299}
1775 2300
1776sub cf::object::player::leave_link { 2301sub cf::object::player::leave_link {
1777 my ($self, $map, $x, $y) = @_; 2302 my ($self, $map, $x, $y) = @_;
2303
2304 return unless $self->contr->active;
1778 2305
1779 my $link_pos = delete $self->{_link_pos}; 2306 my $link_pos = delete $self->{_link_pos};
1780 2307
1781 unless ($map) { 2308 unless ($map) {
1782 # restore original map position 2309 # restore original map position
1796 # use -1 or undef as default coordinates, not 0, 0 2323 # use -1 or undef as default coordinates, not 0, 0
1797 ($x, $y) = ($map->enter_x, $map->enter_y) 2324 ($x, $y) = ($map->enter_x, $map->enter_y)
1798 if $x <=0 && $y <= 0; 2325 if $x <=0 && $y <= 0;
1799 2326
1800 $map->load; 2327 $map->load;
1801 $map->load_diag; 2328 $map->load_neighbours;
1802 2329
1803 return unless $self->contr->active; 2330 return unless $self->contr->active;
1804 $self->activate_recursive; 2331 $self->activate_recursive;
2332
2333 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805 $self->enter_map ($map, $x, $y); 2334 $self->enter_map ($map, $x, $y);
1806} 2335}
1807 2336
1808cf::player->attach ( 2337=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809 on_logout => sub {
1810 my ($pl) = @_;
1811 2338
1812 # abort map switching before logout 2339Moves the player to the given map-path and coordinates by first freezing
1813 if ($pl->ob->{_link_pos}) { 2340her, loading and preparing them map, calling the provided $check callback
1814 cf::sync_job { 2341that has to return the map if sucecssful, and then unfreezes the player on
1815 $pl->ob->leave_link 2342the new (success) or old (failed) map position. In either case, $done will
1816 }; 2343be called at the end of this process.
1817 }
1818 },
1819 on_login => sub {
1820 my ($pl) = @_;
1821 2344
1822 # try to abort aborted map switching on player login :)
1823 # should happen only on crashes
1824 if ($pl->ob->{_link_pos}) {
1825 $pl->ob->enter_link;
1826 (async {
1827 # we need this sleep as the login has a concurrent enter_exit running
1828 # and this sleep increases chances of the player not ending up in scorn
1829 $pl->ob->reply (undef,
1830 "There was an internal problem at your last logout, "
1831 . "the server will try to bring you to your intended destination in a second.",
1832 cf::NDI_RED);
1833 Coro::Timer::sleep 1;
1834 $pl->ob->leave_link;
1835 })->prio (2);
1836 }
1837 },
1838);
1839
1840=item $player_object->goto ($path, $x, $y)
1841
1842=cut 2345=cut
2346
2347our $GOTOGEN;
1843 2348
1844sub cf::object::player::goto { 2349sub cf::object::player::goto {
1845 my ($self, $path, $x, $y) = @_; 2350 my ($self, $path, $x, $y, $check, $done) = @_;
2351
2352 # do generation counting so two concurrent goto's will be executed in-order
2353 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846 2354
1847 $self->enter_link; 2355 $self->enter_link;
1848 2356
1849 (async { 2357 (async {
1850 my $map = eval { 2358 my $map = eval {
1851 my $map = cf::map::find $path; 2359 my $map = cf::map::find $path;
2360
2361 if ($map) {
1852 $map = $map->customise_for ($self) if $map; 2362 $map = $map->customise_for ($self);
2363 $map = $check->($map) if $check && $map;
2364 } else {
2365 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2366 }
2367
1853 $map 2368 $map
2369 };
2370
2371 if ($@) {
2372 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2373 LOG llevError | logBacktrace, Carp::longmess $@;
1854 } or 2374 }
1855 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856 2375
2376 if ($gen == $self->{_goto_generation}) {
2377 delete $self->{_goto_generation};
1857 $self->leave_link ($map, $x, $y); 2378 $self->leave_link ($map, $x, $y);
2379 }
2380
2381 $done->() if $done;
1858 })->prio (1); 2382 })->prio (1);
1859} 2383}
1860 2384
1861=item $player_object->enter_exit ($exit_object) 2385=item $player_object->enter_exit ($exit_object)
1862 2386
1901 2425
1902 $rmp->{random_seed} ||= $exit->random_seed; 2426 $rmp->{random_seed} ||= $exit->random_seed;
1903 2427
1904 my $data = cf::to_json $rmp; 2428 my $data = cf::to_json $rmp;
1905 my $md5 = Digest::MD5::md5_hex $data; 2429 my $md5 = Digest::MD5::md5_hex $data;
1906 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2430 my $meta = "$RANDOMDIR/$md5.meta";
1907 2431
1908 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2432 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909 aio_write $fh, 0, (length $data), $data, 0; 2433 aio_write $fh, 0, (length $data), $data, 0;
1910 undef $fh; 2434 undef $fh;
1911 aio_rename "$meta~", $meta; 2435 aio_rename "$meta~", $meta;
1920 2444
1921 return unless $self->type == cf::PLAYER; 2445 return unless $self->type == cf::PLAYER;
1922 2446
1923 if ($exit->slaying eq "/!") { 2447 if ($exit->slaying eq "/!") {
1924 #TODO: this should de-fi-ni-te-ly not be a sync-job 2448 #TODO: this should de-fi-ni-te-ly not be a sync-job
2449 # the problem is that $exit might not survive long enough
2450 # so it needs to be done right now, right here
1925 cf::sync_job { prepare_random_map $exit }; 2451 cf::sync_job { prepare_random_map $exit };
1926 } 2452 }
1927 2453
1928 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2454 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929 my $hp = $exit->stats->hp; 2455 my $hp = $exit->stats->hp;
1930 my $sp = $exit->stats->sp; 2456 my $sp = $exit->stats->sp;
1931 2457
1932 $self->enter_link; 2458 $self->enter_link;
2459
2460 # if exit is damned, update players death & WoR home-position
2461 $self->contr->savebed ($slaying, $hp, $sp)
2462 if $exit->flag (FLAG_DAMNED);
1933 2463
1934 (async { 2464 (async {
1935 $self->deactivate_recursive; # just to be sure 2465 $self->deactivate_recursive; # just to be sure
1936 unless (eval { 2466 unless (eval {
1937 $self->goto ($slaying, $hp, $sp); 2467 $self->goto ($slaying, $hp, $sp);
1938 2468
1939 1; 2469 1;
1940 }) { 2470 }) {
1941 $self->message ("Something went wrong deep within the crossfire server. " 2471 $self->message ("Something went wrong deep within the crossfire server. "
1942 . "I'll try to bring you back to the map you were before. " 2472 . "I'll try to bring you back to the map you were before. "
1943 . "Please report this to the dungeon master!", 2473 . "Please report this to the dungeon master!",
1944 cf::NDI_UNIQUE | cf::NDI_RED); 2474 cf::NDI_UNIQUE | cf::NDI_RED);
1945 2475
1946 warn "ERROR in enter_exit: $@"; 2476 warn "ERROR in enter_exit: $@";
1947 $self->leave_link; 2477 $self->leave_link;
1948 } 2478 }
1949 })->prio (1); 2479 })->prio (1);
1962 2492
1963sub cf::client::send_drawinfo { 2493sub cf::client::send_drawinfo {
1964 my ($self, $text, $flags) = @_; 2494 my ($self, $text, $flags) = @_;
1965 2495
1966 utf8::encode $text; 2496 utf8::encode $text;
1967 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2497 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968} 2498}
1969 2499
2500=item $client->send_msg ($channel, $msg, $color, [extra...])
2501
2502Send a drawinfo or msg packet to the client, formatting the msg for the
2503client if neccessary. C<$type> should be a string identifying the type of
2504the message, with C<log> being the default. If C<$color> is negative, suppress
2505the message unless the client supports the msg packet.
2506
2507=cut
2508
2509sub cf::client::send_msg {
2510 my ($self, $channel, $msg, $color, @extra) = @_;
2511
2512 $msg = $self->pl->expand_cfpod ($msg);
2513
2514 $color &= cf::NDI_CLIENT_MASK; # just in case...
2515
2516 if (ref $channel) {
2517 # send meta info to client, if not yet sent
2518 unless (exists $self->{channel}{$channel->{id}}) {
2519 $self->{channel}{$channel->{id}} = $channel;
2520 $self->ext_msg (channel_info => $channel);
2521 }
2522
2523 $channel = $channel->{id};
2524 }
2525
2526 return unless @extra || length $msg;
2527
2528 if ($self->can_msg) {
2529 # default colour, mask it out
2530 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2531 if $color & cf::NDI_DEF;
2532
2533 $self->send_packet ("msg " . $self->{json_coder}->encode (
2534 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2535 } else {
2536 if ($color >= 0) {
2537 # replace some tags by gcfclient-compatible ones
2538 for ($msg) {
2539 1 while
2540 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2541 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2542 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2543 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2544 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2545 }
2546
2547 $color &= cf::NDI_COLOR_MASK;
2548
2549 utf8::encode $msg;
2550
2551 if (0 && $msg =~ /\[/) {
2552 # COMMAND/INFO
2553 $self->send_packet ("drawextinfo $color 10 8 $msg")
2554 } else {
2555 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2556 $self->send_packet ("drawinfo $color $msg")
2557 }
2558 }
2559 }
2560}
2561
2562=item $client->ext_msg ($type, @msg)
2563
2564Sends an ext event to the client.
2565
2566=cut
2567
2568sub cf::client::ext_msg($$@) {
2569 my ($self, $type, @msg) = @_;
2570
2571 if ($self->extcmd == 2) {
2572 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2573 } elsif ($self->extcmd == 1) { # TODO: remove
2574 push @msg, msgtype => "event_$type";
2575 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2576 }
2577}
2578
2579=item $client->ext_reply ($msgid, @msg)
2580
2581Sends an ext reply to the client.
2582
2583=cut
2584
2585sub cf::client::ext_reply($$@) {
2586 my ($self, $id, @msg) = @_;
2587
2588 if ($self->extcmd == 2) {
2589 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2590 } elsif ($self->extcmd == 1) {
2591 #TODO: version 1, remove
2592 unshift @msg, msgtype => "reply", msgid => $id;
2593 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2594 }
2595}
1970 2596
1971=item $success = $client->query ($flags, "text", \&cb) 2597=item $success = $client->query ($flags, "text", \&cb)
1972 2598
1973Queues a query to the client, calling the given callback with 2599Queues a query to the client, calling the given callback with
1974the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2600the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2601C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976 2602
1977Queries can fail, so check the return code. Or don't, as queries will become 2603Queries can fail, so check the return code. Or don't, as queries will
1978reliable at some point in the future. 2604become reliable at some point in the future.
1979 2605
1980=cut 2606=cut
1981 2607
1982sub cf::client::query { 2608sub cf::client::query {
1983 my ($self, $flags, $text, $cb) = @_; 2609 my ($self, $flags, $text, $cb) = @_;
1991 utf8::encode $text; 2617 utf8::encode $text;
1992 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2618 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993 2619
1994 $self->send_packet ($self->{query_queue}[0][0]) 2620 $self->send_packet ($self->{query_queue}[0][0])
1995 if @{ $self->{query_queue} } == 1; 2621 if @{ $self->{query_queue} } == 1;
2622
2623 1
1996} 2624}
1997 2625
1998cf::client->attach ( 2626cf::client->attach (
2627 on_connect => sub {
2628 my ($ns) = @_;
2629
2630 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2631 },
1999 on_reply => sub { 2632 on_reply => sub {
2000 my ($ns, $msg) = @_; 2633 my ($ns, $msg) = @_;
2001 2634
2002 # this weird shuffling is so that direct followup queries 2635 # this weird shuffling is so that direct followup queries
2003 # get handled first 2636 # get handled first
2004 my $queue = delete $ns->{query_queue} 2637 my $queue = delete $ns->{query_queue}
2005 or return; # be conservative, not sure how that can happen, but we saw a crash here 2638 or return; # be conservative, not sure how that can happen, but we saw a crash here
2006 2639
2007 (shift @$queue)->[1]->($msg); 2640 (shift @$queue)->[1]->($msg);
2641 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2008 2642
2009 push @{ $ns->{query_queue} }, @$queue; 2643 push @{ $ns->{query_queue} }, @$queue;
2010 2644
2011 if (@{ $ns->{query_queue} } == @$queue) { 2645 if (@{ $ns->{query_queue} } == @$queue) {
2012 if (@$queue) { 2646 if (@$queue) {
2014 } else { 2648 } else {
2015 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2649 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2016 } 2650 }
2017 } 2651 }
2018 }, 2652 },
2653 on_exticmd => sub {
2654 my ($ns, $buf) = @_;
2655
2656 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2657
2658 if (ref $msg) {
2659 my ($type, $reply, @payload) =
2660 "ARRAY" eq ref $msg
2661 ? @$msg
2662 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2663
2664 my @reply;
2665
2666 if (my $cb = $EXTICMD{$type}) {
2667 @reply = $cb->($ns, @payload);
2668 }
2669
2670 $ns->ext_reply ($reply, @reply)
2671 if $reply;
2672
2673 } else {
2674 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2675 }
2676
2677 cf::override;
2678 },
2019); 2679);
2020 2680
2021=item $client->async (\&cb) 2681=item $client->async (\&cb)
2022 2682
2023Create a new coroutine, running the specified callback. The coroutine will 2683Create a new coroutine, running the specified callback. The coroutine will
2064our $safe = new Safe "safe"; 2724our $safe = new Safe "safe";
2065our $safe_hole = new Safe::Hole; 2725our $safe_hole = new Safe::Hole;
2066 2726
2067$SIG{FPE} = 'IGNORE'; 2727$SIG{FPE} = 'IGNORE';
2068 2728
2069$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2729$safe->permit_only (Opcode::opset qw(
2730 :base_core :base_mem :base_orig :base_math
2731 grepstart grepwhile mapstart mapwhile
2732 sort time
2733));
2070 2734
2071# here we export the classes and methods available to script code 2735# here we export the classes and methods available to script code
2072 2736
2073=pod 2737=pod
2074 2738
2075The following fucntions and emthods are available within a safe environment: 2739The following functions and methods are available within a safe environment:
2076 2740
2077 cf::object contr pay_amount pay_player map 2741 cf::object
2742 contr pay_amount pay_player map x y force_find force_add
2743 insert remove name archname title slaying race decrease_ob_nr
2744
2078 cf::object::player player 2745 cf::object::player
2079 cf::player peaceful 2746 player
2080 cf::map trigger 2747
2748 cf::player
2749 peaceful
2750
2751 cf::map
2752 trigger
2081 2753
2082=cut 2754=cut
2083 2755
2084for ( 2756for (
2085 ["cf::object" => qw(contr pay_amount pay_player map)], 2757 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2758 insert remove inv name archname title slaying race
2759 decrease_ob_nr)],
2086 ["cf::object::player" => qw(player)], 2760 ["cf::object::player" => qw(player)],
2087 ["cf::player" => qw(peaceful)], 2761 ["cf::player" => qw(peaceful)],
2088 ["cf::map" => qw(trigger)], 2762 ["cf::map" => qw(trigger)],
2089) { 2763) {
2090 no strict 'refs'; 2764 no strict 'refs';
2161=back 2835=back
2162 2836
2163=cut 2837=cut
2164 2838
2165############################################################################# 2839#############################################################################
2840# the server's init and main functions
2166 2841
2167=head2 EXTENSION DATABASE SUPPORT 2842sub load_facedata($) {
2843 my ($path) = @_;
2168 2844
2169Crossfire maintains a very simple database for extension use. It can 2845 # HACK to clear player env face cache, we need some signal framework
2170currently store anything that can be serialised using Storable, which 2846 # for this (global event?)
2171excludes objects. 2847 %ext::player_env::MUSIC_FACE_CACHE = ();
2172 2848
2173The parameter C<$family> should best start with the name of the extension 2849 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2174using it, it should be unique.
2175 2850
2176=over 4 2851 warn "loading facedata from $path\n";
2177 2852
2178=item $hashref = cf::db_get $family 2853 my $facedata;
2854 0 < aio_load $path, $facedata
2855 or die "$path: $!";
2179 2856
2180Return a hashref for use by the extension C<$family>, which can be 2857 $facedata = Coro::Storable::thaw $facedata;
2181modified. After modifications, you have to call C<cf::db_dirty> or
2182C<cf::db_sync>.
2183 2858
2184=item $value = cf::db_get $family => $key 2859 $facedata->{version} == 2
2860 or cf::cleanup "$path: version mismatch, cannot proceed.";
2185 2861
2186Returns a single value from the database 2862 # patch in the exptable
2187 2863 $facedata->{resource}{"res/exp_table"} = {
2188=item cf::db_put $family => $hashref 2864 type => FT_RSRC,
2189 2865 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2190Stores the given family hashref into the database. Updates are delayed, if
2191you want the data to be synced to disk immediately, use C<cf::db_sync>.
2192
2193=item cf::db_put $family => $key => $value
2194
2195Stores the given C<$value> in the family hash. Updates are delayed, if you
2196want the data to be synced to disk immediately, use C<cf::db_sync>.
2197
2198=item cf::db_dirty
2199
2200Marks the database as dirty, to be updated at a later time.
2201
2202=item cf::db_sync
2203
2204Immediately write the database to disk I<if it is dirty>.
2205
2206=cut
2207
2208our $DB;
2209
2210{
2211 my $path = cf::localdir . "/database.pst";
2212
2213 sub db_load() {
2214 $DB = stat $path ? Storable::retrieve $path : { };
2215 } 2866 };
2867 cf::cede_to_tick;
2216 2868
2217 my $pid;
2218
2219 sub db_save() {
2220 waitpid $pid, 0 if $pid;
2221 if (0 == ($pid = fork)) {
2222 $DB->{_meta}{version} = 1;
2223 Storable::nstore $DB, "$path~";
2224 rename "$path~", $path;
2225 cf::_exit 0 if defined $pid;
2226 }
2227 } 2869 {
2870 my $faces = $facedata->{faceinfo};
2228 2871
2229 my $dirty; 2872 while (my ($face, $info) = each %$faces) {
2873 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2874 cf::face::set_visibility $idx, $info->{visibility};
2875 cf::face::set_magicmap $idx, $info->{magicmap};
2876 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2877 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2230 2878
2231 sub db_sync() { 2879 cf::cede_to_tick;
2232 db_save if $dirty;
2233 undef $dirty;
2234 }
2235
2236 my $idle = Event->idle (
2237 reentrant => 0,
2238 min => 10,
2239 max => 20,
2240 repeat => 0,
2241 data => WF_AUTOCANCEL,
2242 cb => \&db_sync,
2243 );
2244
2245 sub db_dirty() {
2246 $dirty = 1;
2247 $idle->start;
2248 }
2249
2250 sub db_get($;$) {
2251 @_ >= 2
2252 ? $DB->{$_[0]}{$_[1]}
2253 : ($DB->{$_[0]} ||= { })
2254 }
2255
2256 sub db_put($$;$) {
2257 if (@_ >= 3) {
2258 $DB->{$_[0]}{$_[1]} = $_[2];
2259 } else {
2260 $DB->{$_[0]} = $_[1];
2261 }
2262 db_dirty;
2263 }
2264
2265 cf::global->attach (
2266 prio => 10000,
2267 on_cleanup => sub {
2268 db_sync;
2269 }, 2880 }
2270 );
2271}
2272 2881
2273############################################################################# 2882 while (my ($face, $info) = each %$faces) {
2274# the server's main() 2883 next unless $info->{smooth};
2884 my $idx = cf::face::find $face
2885 or next;
2886 if (my $smooth = cf::face::find $info->{smooth}) {
2887 cf::face::set_smooth $idx, $smooth;
2888 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2889 } else {
2890 warn "smooth face '$info->{smooth}' not found for face '$face'";
2891 }
2275 2892
2276sub cfg_load { 2893 cf::cede_to_tick;
2894 }
2895 }
2896
2897 {
2898 my $anims = $facedata->{animinfo};
2899
2900 while (my ($anim, $info) = each %$anims) {
2901 cf::anim::set $anim, $info->{frames}, $info->{facings};
2902 cf::cede_to_tick;
2903 }
2904
2905 cf::anim::invalidate_all; # d'oh
2906 }
2907
2908 {
2909 # TODO: for gcfclient pleasure, we should give resources
2910 # that gcfclient doesn't grok a >10000 face index.
2911 my $res = $facedata->{resource};
2912
2913 my $soundconf = delete $res->{"res/sound.conf"};
2914
2915 while (my ($name, $info) = each %$res) {
2916 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2917 my $data;
2918
2919 if ($info->{type} & 1) {
2920 # prepend meta info
2921
2922 my $meta = $enc->encode ({
2923 name => $name,
2924 %{ $info->{meta} || {} },
2925 });
2926
2927 $data = pack "(w/a*)*", $meta, $info->{data};
2928 } else {
2929 $data = $info->{data};
2930 }
2931
2932 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2933 cf::face::set_type $idx, $info->{type};
2934
2935 cf::cede_to_tick;
2936 }
2937
2938 if ($soundconf) {
2939 $soundconf = $enc->decode (delete $soundconf->{data});
2940
2941 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2942 my $sound = $soundconf->{compat}[$_]
2943 or next;
2944
2945 my $face = cf::face::find "sound/$sound->[1]";
2946 cf::sound::set $sound->[0] => $face;
2947 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2948 }
2949
2950 while (my ($k, $v) = each %{$soundconf->{event}}) {
2951 my $face = cf::face::find "sound/$v";
2952 cf::sound::set $k => $face;
2953 }
2954 }
2955 }
2956
2957 1
2958}
2959
2960register_exticmd fx_want => sub {
2961 my ($ns, $want) = @_;
2962
2963 while (my ($k, $v) = each %$want) {
2964 $ns->fx_want ($k, $v);
2965 }
2966};
2967
2968sub reload_regions {
2969 # HACK to clear player env face cache, we need some signal framework
2970 # for this (global event?)
2971 %ext::player_env::MUSIC_FACE_CACHE = ();
2972
2973 load_resource_file "$MAPDIR/regions"
2974 or die "unable to load regions file\n";
2975
2976 for (cf::region::list) {
2977 $_->{match} = qr/$_->{match}/
2978 if exists $_->{match};
2979 }
2980}
2981
2982sub reload_facedata {
2983 load_facedata "$DATADIR/facedata"
2984 or die "unable to load facedata\n";
2985}
2986
2987sub reload_archetypes {
2988 load_resource_file "$DATADIR/archetypes"
2989 or die "unable to load archetypes\n";
2990 #d# NEED to laod twice to resolve forward references
2991 # this really needs to be done in an extra post-pass
2992 # (which needs to be synchronous, so solve it differently)
2993 load_resource_file "$DATADIR/archetypes"
2994 or die "unable to load archetypes\n";
2995}
2996
2997sub reload_treasures {
2998 load_resource_file "$DATADIR/treasures"
2999 or die "unable to load treasurelists\n";
3000}
3001
3002sub reload_resources {
3003 warn "reloading resource files...\n";
3004
3005 reload_regions;
3006 reload_facedata;
3007 #reload_archetypes;#d#
3008 reload_archetypes;
3009 reload_treasures;
3010
3011 warn "finished reloading resource files\n";
3012}
3013
3014sub init {
3015 reload_resources;
3016}
3017
3018sub reload_config {
2277 open my $fh, "<:utf8", cf::confdir . "/config" 3019 open my $fh, "<:utf8", "$CONFDIR/config"
2278 or return; 3020 or return;
2279 3021
2280 local $/; 3022 local $/;
2281 *CFG = YAML::Syck::Load <$fh>; 3023 *CFG = YAML::Syck::Load <$fh>;
2282 3024
2301 (async { 3043 (async {
2302 Event::one_event; 3044 Event::one_event;
2303 })->prio (Coro::PRIO_MAX); 3045 })->prio (Coro::PRIO_MAX);
2304 }; 3046 };
2305 3047
2306 cfg_load; 3048 reload_config;
2307 db_load; 3049 db_init;
2308 load_extensions; 3050 load_extensions;
2309 3051
2310 $TICK_WATCHER->start; 3052 $TICK_WATCHER->start;
2311 Event::loop; 3053 Event::loop;
2312} 3054}
2327 }, 3069 },
2328 ); 3070 );
2329 } 3071 }
2330} 3072}
2331 3073
3074sub write_runtime {
3075 my $runtime = "$LOCALDIR/runtime";
3076
3077 # first touch the runtime file to show we are still running:
3078 # the fsync below can take a very very long time.
3079
3080 IO::AIO::aio_utime $runtime, undef, undef;
3081
3082 my $guard = cf::lock_acquire "write_runtime";
3083
3084 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3085 or return;
3086
3087 my $value = $cf::RUNTIME + 90 + 10;
3088 # 10 is the runtime save interval, for a monotonic clock
3089 # 60 allows for the watchdog to kill the server.
3090
3091 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3092 and return;
3093
3094 # always fsync - this file is important
3095 aio_fsync $fh
3096 and return;
3097
3098 # touch it again to show we are up-to-date
3099 aio_utime $fh, undef, undef;
3100
3101 close $fh
3102 or return;
3103
3104 aio_rename "$runtime~", $runtime
3105 and return;
3106
3107 warn "runtime file written.\n";
3108
3109 1
3110}
3111
2332sub emergency_save() { 3112sub emergency_save() {
2333 my $freeze_guard = cf::freeze_mainloop; 3113 my $freeze_guard = cf::freeze_mainloop;
2334 3114
2335 warn "enter emergency perl save\n"; 3115 warn "enter emergency perl save\n";
2336 3116
2351 my $map = $cf::MAP{$path} or next; 3131 my $map = $cf::MAP{$path} or next;
2352 $map->valid or next; 3132 $map->valid or next;
2353 $map->save; 3133 $map->save;
2354 } 3134 }
2355 warn "end emergency map save\n"; 3135 warn "end emergency map save\n";
3136
3137 warn "begin emergency database checkpoint\n";
3138 BDB::db_env_txn_checkpoint $DB_ENV;
3139 warn "end emergency database checkpoint\n";
2356 }; 3140 };
2357 3141
2358 warn "leave emergency perl save\n"; 3142 warn "leave emergency perl save\n";
2359} 3143}
2360 3144
3145sub post_cleanup {
3146 my ($make_core) = @_;
3147
3148 warn Carp::longmess "post_cleanup backtrace"
3149 if $make_core;
3150}
3151
2361sub reload() { 3152sub do_reload_perl() {
2362 # can/must only be called in main 3153 # can/must only be called in main
2363 if ($Coro::current != $Coro::main) { 3154 if ($Coro::current != $Coro::main) {
2364 warn "can only reload from main coroutine"; 3155 warn "can only reload from main coroutine";
2365 return; 3156 return;
2366 } 3157 }
2367 3158
2368 warn "reloading..."; 3159 warn "reloading...";
2369 3160
2370 warn "cancelling server ticker"; 3161 warn "entering sync_job";
2371 $TICK_WATCHER->cancel;
2372 3162
3163 cf::sync_job {
3164 cf::write_runtime; # external watchdog should not bark
2373 cf::emergency_save; 3165 cf::emergency_save;
3166 cf::write_runtime; # external watchdog should not bark
2374 3167
2375 eval { 3168 warn "syncing database to disk";
3169 BDB::db_env_txn_checkpoint $DB_ENV;
3170
2376 # if anything goes wrong in here, we should simply crash as we already saved 3171 # if anything goes wrong in here, we should simply crash as we already saved
2377
2378 warn "syncing database to disk";
2379 cf::db_sync;
2380 3172
2381 warn "cancelling all WF_AUTOCANCEL watchers"; 3173 warn "cancelling all WF_AUTOCANCEL watchers";
2382 for (Event::all_watchers) { 3174 for (Event::all_watchers) {
2383 $_->cancel if $_->data & WF_AUTOCANCEL; 3175 $_->cancel if $_->data & WF_AUTOCANCEL;
2384 } 3176 }
2385 3177
2386 warn "flushing outstanding aio requests"; 3178 warn "flushing outstanding aio requests";
2387 for (;;) { 3179 for (;;) {
3180 BDB::flush;
2388 IO::AIO::flush; 3181 IO::AIO::flush;
2389 Coro::cede; 3182 Coro::cede;
2390 last unless IO::AIO::nreqs; 3183 last unless IO::AIO::nreqs || BDB::nreqs;
2391 warn "iterate..."; 3184 warn "iterate...";
2392 } 3185 }
3186
3187 ++$RELOAD;
2393 3188
2394 warn "cancelling all extension coros"; 3189 warn "cancelling all extension coros";
2395 $_->cancel for values %EXT_CORO; 3190 $_->cancel for values %EXT_CORO;
2396 %EXT_CORO = (); 3191 %EXT_CORO = ();
2397 3192
2398 warn "removing commands"; 3193 warn "removing commands";
2399 %COMMAND = (); 3194 %COMMAND = ();
2400 3195
2401 warn "removing ext commands"; 3196 warn "removing ext/exti commands";
2402 %EXTCMD = (); 3197 %EXTCMD = ();
3198 %EXTICMD = ();
2403 3199
2404 warn "unloading/nuking all extensions"; 3200 warn "unloading/nuking all extensions";
2405 for my $pkg (@EXTS) { 3201 for my $pkg (@EXTS) {
2406 warn "... unloading $pkg"; 3202 warn "... unloading $pkg";
2407 3203
2437 Symbol::delete_package "safe::$_" 3233 Symbol::delete_package "safe::$_"
2438 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3234 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2439 3235
2440 warn "unloading cf.pm \"a bit\""; 3236 warn "unloading cf.pm \"a bit\"";
2441 delete $INC{"cf.pm"}; 3237 delete $INC{"cf.pm"};
3238 delete $INC{"cf/pod.pm"};
2442 3239
2443 # don't, removes xs symbols, too, 3240 # don't, removes xs symbols, too,
2444 # and global variables created in xs 3241 # and global variables created in xs
2445 #Symbol::delete_package __PACKAGE__; 3242 #Symbol::delete_package __PACKAGE__;
2446 3243
2449 warn "reloading cf.pm"; 3246 warn "reloading cf.pm";
2450 require cf; 3247 require cf;
2451 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3248 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2452 3249
2453 warn "loading config and database again"; 3250 warn "loading config and database again";
2454 cf::cfg_load; 3251 cf::reload_config;
2455 cf::db_load;
2456 3252
2457 warn "loading extensions"; 3253 warn "loading extensions";
2458 cf::load_extensions; 3254 cf::load_extensions;
2459 3255
2460 warn "reattaching attachments to objects/players"; 3256 warn "reattaching attachments to objects/players";
2461 _global_reattach; 3257 _global_reattach; # objects, sockets
2462 warn "reattaching attachments to maps"; 3258 warn "reattaching attachments to maps";
2463 reattach $_ for values %MAP; 3259 reattach $_ for values %MAP;
3260 warn "reattaching attachments to players";
3261 reattach $_ for values %PLAYER;
2464 3262
2465 warn "restarting server ticker"; 3263 warn "leaving sync_job";
2466 3264
2467 $TICK_WATCHER->start; 3265 1
2468 }; 3266 } or do {
2469
2470 if ($@) {
2471 warn $@; 3267 warn $@;
2472 warn "error while reloading, exiting."; 3268 warn "error while reloading, exiting.";
2473 exit 1; 3269 exit 1;
2474 } 3270 };
2475 3271
2476 warn "reloaded"; 3272 warn "reloaded";
2477}; 3273};
2478 3274
2479our $RELOAD_WATCHER; # used only during reload 3275our $RELOAD_WATCHER; # used only during reload
2480 3276
3277sub reload_perl() {
3278 # doing reload synchronously and two reloads happen back-to-back,
3279 # coro crashes during coro_state_free->destroy here.
3280
3281 $RELOAD_WATCHER ||= Event->timer (
3282 reentrant => 0,
3283 after => 0,
3284 data => WF_AUTOCANCEL,
3285 cb => sub {
3286 do_reload_perl;
3287 undef $RELOAD_WATCHER;
3288 },
3289 );
3290}
3291
2481register_command "reload" => sub { 3292register_command "reload" => sub {
2482 my ($who, $arg) = @_; 3293 my ($who, $arg) = @_;
2483 3294
2484 if ($who->flag (FLAG_WIZ)) { 3295 if ($who->flag (FLAG_WIZ)) {
2485 $who->message ("reloading server."); 3296 $who->message ("reloading server.");
2486 3297 async { reload_perl };
2487 # doing reload synchronously and two reloads happen back-to-back,
2488 # coro crashes during coro_state_free->destroy here.
2489
2490 $RELOAD_WATCHER ||= Event->timer (
2491 reentrant => 0,
2492 after => 0,
2493 data => WF_AUTOCANCEL,
2494 cb => sub {
2495 reload;
2496 undef $RELOAD_WATCHER;
2497 },
2498 );
2499 } 3298 }
2500}; 3299};
2501 3300
2502unshift @INC, $LIBDIR; 3301unshift @INC, $LIBDIR;
2503 3302
2504my $bug_warning = 0; 3303my $bug_warning = 0;
2505 3304
3305our @WAIT_FOR_TICK;
3306our @WAIT_FOR_TICK_BEGIN;
3307
3308sub wait_for_tick {
3309 return unless $TICK_WATCHER->is_active;
3310 return if $Coro::current == $Coro::main;
3311
3312 my $signal = new Coro::Signal;
3313 push @WAIT_FOR_TICK, $signal;
3314 $signal->wait;
3315}
3316
3317sub wait_for_tick_begin {
3318 return unless $TICK_WATCHER->is_active;
3319 return if $Coro::current == $Coro::main;
3320
3321 my $signal = new Coro::Signal;
3322 push @WAIT_FOR_TICK_BEGIN, $signal;
3323 $signal->wait;
3324}
3325
3326 my $min = 1e6;#d#
3327 my $avg = 10;
2506$TICK_WATCHER = Event->timer ( 3328$TICK_WATCHER = Event->timer (
2507 reentrant => 0, 3329 reentrant => 0,
2508 parked => 1, 3330 parked => 1,
2509 prio => 0, 3331 prio => 0,
2510 at => $NEXT_TICK || $TICK, 3332 at => $NEXT_TICK || $TICK,
2514 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3336 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2515 unless ++$bug_warning > 10; 3337 unless ++$bug_warning > 10;
2516 return; 3338 return;
2517 } 3339 }
2518 3340
2519 $NOW = Event::time; 3341 $NOW = $tick_start = Event::time;
2520 3342
2521 cf::server_tick; # one server iteration 3343 cf::server_tick; # one server iteration
3344
3345 0 && sync_job {#d#
3346 for(1..10) {
3347 my $t = Event::time;
3348 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3349 or die;
3350
3351 $map->width (50);
3352 $map->height (50);
3353 $map->alloc;
3354 $map->_load_objects ("/tmp/x.map", 1);
3355 my $t = Event::time - $t;
3356
3357 #next unless $t < 0.0013;#d#
3358 if ($t < $min) {
3359 $min = $t;
3360 }
3361 $avg = $avg * 0.99 + $t * 0.01;
3362 }
3363 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3364 exit 0;
3365 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3366 };
3367
2522 $RUNTIME += $TICK; 3368 $RUNTIME += $TICK;
2523 $NEXT_TICK += $TICK; 3369 $NEXT_TICK += $TICK;
2524 3370
2525 $WAIT_FOR_TICK->broadcast; 3371 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2526 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3372 $NEXT_RUNTIME_WRITE = $NOW + 10;
2527 3373 Coro::async_pool {
2528 Event::sweep; 3374 write_runtime
2529 Coro::cede_notself; 3375 or warn "ERROR: unable to write runtime file: $!";
3376 };
2530 3377 }
3378
2531# my $AFTER = Event::time; 3379# my $AFTER = Event::time;
2532# warn $AFTER - $NOW;#d# 3380# warn $AFTER - $NOW;#d#
2533 3381
3382 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3383 $sig->send;
3384 }
3385 while (my $sig = shift @WAIT_FOR_TICK) {
3386 $sig->send;
3387 }
3388
3389 $NOW = Event::time;
3390
2534 # if we are delayed by four ticks or more, skip them all 3391 # if we are delayed by four ticks or more, skip them all
2535 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3392 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536 3393
2537 $TICK_WATCHER->at ($NEXT_TICK); 3394 $TICK_WATCHER->at ($NEXT_TICK);
2538 $TICK_WATCHER->start; 3395 $TICK_WATCHER->start;
3396
3397 $LOAD = ($NOW - $tick_start) / $TICK;
3398 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3399
3400 _post_tick;
3401
3402
2539 }, 3403 },
2540); 3404);
2541 3405
3406{
3407 BDB::max_poll_time $TICK * 0.1;
3408 $BDB_POLL_WATCHER = Event->io (
3409 reentrant => 0,
3410 fd => BDB::poll_fileno,
3411 poll => 'r',
3412 prio => 0,
3413 data => WF_AUTOCANCEL,
3414 cb => \&BDB::poll_cb,
3415 );
3416 BDB::min_parallel 8;
3417
3418 BDB::set_sync_prepare {
3419 my $status;
3420 my $current = $Coro::current;
3421 (
3422 sub {
3423 $status = $!;
3424 $current->ready; undef $current;
3425 },
3426 sub {
3427 Coro::schedule while defined $current;
3428 $! = $status;
3429 },
3430 )
3431 };
3432
3433 unless ($DB_ENV) {
3434 $DB_ENV = BDB::db_env_create;
3435
3436 cf::sync_job {
3437 eval {
3438 BDB::db_env_open
3439 $DB_ENV,
3440 $BDBDIR,
3441 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3442 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3443 0666;
3444
3445 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3446
3447 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3448 $DB_ENV->set_lk_detect;
3449 };
3450
3451 cf::cleanup "db_env_open(db): $@" if $@;
3452 };
3453 }
3454}
3455
3456{
3457 IO::AIO::min_parallel 8;
3458
3459 undef $Coro::AIO::WATCHER;
2542IO::AIO::max_poll_time $TICK * 0.1; 3460 IO::AIO::max_poll_time $TICK * 0.1;
2543
2544undef $Coro::AIO::WATCHER;
2545$AIO_POLL_WATCHER = Event->io ( 3461 $AIO_POLL_WATCHER = Event->io (
2546 reentrant => 0, 3462 reentrant => 0,
3463 data => WF_AUTOCANCEL,
2547 fd => IO::AIO::poll_fileno, 3464 fd => IO::AIO::poll_fileno,
2548 poll => 'r', 3465 poll => 'r',
2549 prio => 6, 3466 prio => 6,
2550 data => WF_AUTOCANCEL,
2551 cb => \&IO::AIO::poll_cb, 3467 cb => \&IO::AIO::poll_cb,
2552); 3468 );
3469}
2553 3470
2554$WRITE_RUNTIME_WATCHER = Event->timer ( 3471my $_log_backtrace;
2555 reentrant => 0, 3472
2556 data => WF_AUTOCANCEL, 3473sub _log_backtrace {
2557 after => 1, 3474 my ($msg, @addr) = @_;
2558 interval => 10, 3475
2559 prio => 6, # keep it lowest so it acts like a watchdog 3476 $msg =~ s/\n//;
2560 cb => Coro::unblock_sub { 3477
2561 write_runtime 3478 # limit the # of concurrent backtraces
2562 or warn "ERROR: unable to write runtime file: $!"; 3479 if ($_log_backtrace < 2) {
3480 ++$_log_backtrace;
3481 async {
3482 my @bt = fork_call {
3483 @addr = map { sprintf "%x", $_ } @addr;
3484 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3485 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3486 or die "addr2line: $!";
3487
3488 my @funcs;
3489 my @res = <$fh>;
3490 chomp for @res;
3491 while (@res) {
3492 my ($func, $line) = splice @res, 0, 2, ();
3493 push @funcs, "[$func] $line";
3494 }
3495
3496 @funcs
3497 };
3498
3499 LOG llevInfo, "[ABT] $msg\n";
3500 LOG llevInfo, "[ABT] $_\n" for @bt;
3501 --$_log_backtrace;
3502 };
3503 } else {
3504 LOG llevInfo, "[ABT] $msg\n";
3505 LOG llevInfo, "[ABT] [suppressed]\n";
2563 }, 3506 }
2564); 3507}
3508
3509# load additional modules
3510use cf::pod;
2565 3511
2566END { cf::emergency_save } 3512END { cf::emergency_save }
2567 3513
25681 35141
2569 3515

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