ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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 ();
20use BDB (); 27use BDB ();
21use Data::Dumper; 28use Data::Dumper;
22use Digest::MD5; 29use Digest::MD5;
23use Fcntl; 30use Fcntl;
31use YAML::Syck ();
24use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 33use Time::HiRes;
27use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
28 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
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 42
31use 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
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35# 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?
36$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
37 47
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
40our %COMMAND = (); 52our %COMMAND = ();
41our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
42 54
43our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
47 60
61our $RELOAD; # number of reloads so far
48our @EVENT; 62our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 63
51our $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(!)
52our $TICK_WATCHER; 77our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 80our $NEXT_TICK;
56our $NOW; 81our $NOW;
62our %CFG; 87our %CFG;
63 88
64our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 90our $RUNTIME;
66 91
67our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 95
76# 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 ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
79binmode STDOUT; 103binmode STDOUT;
80binmode STDERR; 104binmode STDERR;
81 105
82# read virtual server time, if available 106# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
87} 111}
88 112
89mkdir cf::localdir; 113mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 115
96our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
97 117
98sub cf::map::normalise; 118sub cf::map::normalise;
99 119
110=item $cf::RUNTIME 130=item $cf::RUNTIME
111 131
112The 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
113every server tick. 133every server tick.
114 134
115=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
116 138
117The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
118be 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.
119 143
120=item $cf::NOW 144=item $cf::NOW
121 145
122The time of the last (current) server tick. 146The time of the last (current) server tick.
123 147
124=item $cf::TICK 148=item $cf::TICK
125 149
126The 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.
127 161
128=item %cf::CFG 162=item %cf::CFG
129 163
130Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 165from wherever your confdir points to.
132 166
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
134 168
135These 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
136or 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
137processing 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.
138window 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.
139 178
140=back 179=back
141 180
142=cut 181=cut
143 182
144BEGIN { 183BEGIN {
145 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 185 my $msg = join "", @_;
147 utf8::encode $msg;
148 186
149 $msg .= "\n" 187 $msg .= "\n"
150 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151 191
152 LOG llevError, $msg; 192 LOG llevError, $msg;
153 }; 193 };
154} 194}
155 195
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 200@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
201@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 202@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 203
163# we bless all objects into (empty) derived classes to force a method lookup 204# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 205# within the Safe compartment.
165for my $pkg (qw( 206for my $pkg (qw(
166 cf::global cf::attachable 207 cf::global cf::attachable
174} 215}
175 216
176$Event::DIED = sub { 217$Event::DIED = sub {
177 warn "error in event callback: @_"; 218 warn "error in event callback: @_";
178}; 219};
220
221#############################################################################
179 222
180=head2 UTILITY FUNCTIONS 223=head2 UTILITY FUNCTIONS
181 224
182=over 4 225=over 4
183 226
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 246 $d
204 } || "[unable to dump $_[0]: '$@']"; 247 } || "[unable to dump $_[0]: '$@']";
205} 248}
206 249
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 250=item $ref = cf::from_json $json
210 251
211Converts a JSON string into the corresponding perl data structure. 252Converts a JSON string into the corresponding perl data structure.
212 253
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 254=item $json = cf::to_json $ref
221 255
222Converts a perl data structure into its JSON representation. 256Converts a perl data structure into its JSON representation.
223 257
224=cut 258=cut
225 259
226sub to_json($) { 260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 261
228 JSON::Syck::Dump $_[0] 262sub to_json ($) { $json_coder->encode ($_[0]) }
229} 263sub from_json ($) { $json_coder->decode ($_[0]) }
230 264
231=item cf::lock_wait $string 265=item cf::lock_wait $string
232 266
233Wait until the given lock is available. See cf::lock_acquire. 267Wait until the given lock is available. See cf::lock_acquire.
234 268
237Wait until the given lock is available and then acquires it and returns 271Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 272a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 273for example when the coroutine gets canceled), the lock is automatically
240returned. 274returned.
241 275
276Locks are *not* recursive, locking from the same coro twice results in a
277deadlocked coro.
278
242Lock names should begin with a unique identifier (for example, cf::map::find 279Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 280uses map_find and cf::map::load uses map_load).
244 281
282=item $locked = cf::lock_active $string
283
284Return true if the lock is currently active, i.e. somebody has locked it.
285
245=cut 286=cut
246 287
247our %LOCK; 288our %LOCK;
289our %LOCKER;#d#
248 290
249sub lock_wait($) { 291sub lock_wait($) {
250 my ($key) = @_; 292 my ($key) = @_;
293
294 if ($LOCKER{$key} == $Coro::current) {#d#
295 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
296 return;#d#
297 }#d#
251 298
252 # wait for lock, if any 299 # wait for lock, if any
253 while ($LOCK{$key}) { 300 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 301 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 302 Coro::schedule;
261 308
262 # wait, to be sure we are not locked 309 # wait, to be sure we are not locked
263 lock_wait $key; 310 lock_wait $key;
264 311
265 $LOCK{$key} = []; 312 $LOCK{$key} = [];
313 $LOCKER{$key} = $Coro::current;#d#
266 314
267 Coro::guard { 315 Coro::guard {
316 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 317 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 318 $_->ready for @{ delete $LOCK{$key} };
270 } 319 }
320}
321
322sub lock_active($) {
323 my ($key) = @_;
324
325 ! ! $LOCK{$key}
271} 326}
272 327
273sub freeze_mainloop { 328sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 329 return unless $TICK_WATCHER->is_active;
275 330
278 }; 333 };
279 $TICK_WATCHER->stop; 334 $TICK_WATCHER->stop;
280 $guard 335 $guard
281} 336}
282 337
338=item cf::get_slot $time[, $priority[, $name]]
339
340Allocate $time seconds of blocking CPU time at priority C<$priority>:
341This call blocks and returns only when you have at least C<$time> seconds
342of cpu time till the next tick. The slot is only valid till the next cede.
343
344The optional C<$name> can be used to identify the job to run. It might be
345used for statistical purposes and should identify the same time-class.
346
347Useful for short background jobs.
348
349=cut
350
351our @SLOT_QUEUE;
352our $SLOT_QUEUE;
353
354$SLOT_QUEUE->cancel if $SLOT_QUEUE;
355$SLOT_QUEUE = Coro::async {
356 my $signal = new Coro::Signal;
357
358 while () {
359 next_job:
360 my $avail = cf::till_tick;
361 if ($avail > 0.01) {
362 for (0 .. $#SLOT_QUEUE) {
363 if ($SLOT_QUEUE[$_][0] < $avail) {
364 my $job = splice @SLOT_QUEUE, $_, 1, ();
365 $job->[2]->send;
366 Coro::cede;
367 goto next_job;
368 }
369 }
370 }
371
372 if (@SLOT_QUEUE) {
373 # we do not use wait_For_tick() as it returns immediately when tick is inactive
374 push @cf::WAIT_FOR_TICK, $signal;
375 $signal->wait;
376 } else {
377 Coro::schedule;
378 }
379 }
380};
381
382sub get_slot($;$$) {
383 my ($time, $pri, $name) = @_;
384
385 $time = $TICK * .6 if $time > $TICK * .6;
386 my $sig = new Coro::Signal;
387
388 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
389 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
390 $SLOT_QUEUE->ready;
391 $sig->wait;
392}
393
283=item cf::async { BLOCK } 394=item cf::async { BLOCK }
284 395
285Currently the same as Coro::async_pool, meaning you cannot use 396Currently the same as Coro::async_pool, meaning you cannot use
286C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 397C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287thing you are allowed to do is call C<prio> on it. 398thing you are allowed to do is call C<prio> on it.
290 401
291BEGIN { *async = \&Coro::async_pool } 402BEGIN { *async = \&Coro::async_pool }
292 403
293=item cf::sync_job { BLOCK } 404=item cf::sync_job { BLOCK }
294 405
295The design of crossfire+ requires that the main coro ($Coro::main) is 406The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 407is always able to handle events or runnable, as Crossfire TRT is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 408partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
409acceptable.
298 410
299If it must be done, put the blocking parts into C<sync_job>. This will run 411If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 412the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 413server will be frozen during this time, so the block should either finish
302fast or be very important. 414fast or be very important.
305 417
306sub sync_job(&) { 418sub sync_job(&) {
307 my ($job) = @_; 419 my ($job) = @_;
308 420
309 if ($Coro::current == $Coro::main) { 421 if ($Coro::current == $Coro::main) {
422 my $time = Event::time;
423
310 # this is the main coro, too bad, we have to block 424 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 425 # till the operation succeeds, freezing the server :/
312 426
313 # TODO: use suspend/resume instead 427 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 428 # (but this is cancel-safe)
325 439
326 while ($busy) { 440 while ($busy) {
327 Coro::cede or Event::one_event; 441 Coro::cede or Event::one_event;
328 } 442 }
329 443
444 $time = Event::time - $time;
445
446 LOG llevError | logBacktrace, Carp::longmess "long sync job"
447 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
448
449 $tick_start += $time; # do not account sync jobs to server load
450
330 wantarray ? @res : $res[0] 451 wantarray ? @res : $res[0]
331 } else { 452 } else {
332 # we are in another coroutine, how wonderful, everything just works 453 # we are in another coroutine, how wonderful, everything just works
333 454
334 $job->() 455 $job->()
353 $EXT_CORO{$coro+0} = $coro; 474 $EXT_CORO{$coro+0} = $coro;
354 475
355 $coro 476 $coro
356} 477}
357 478
358sub write_runtime { 479=item fork_call { }, $args
359 my $guard = cf::lock_acquire "write_runtime";
360 480
361 my $runtime = cf::localdir . "/runtime"; 481Executes the given code block with the given arguments in a seperate
482process, returning the results. Everything must be serialisable with
483Coro::Storable. May, of course, block. Note that the executed sub may
484never block itself or use any form of Event handling.
362 485
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 486=cut
364 or return;
365 487
366 my $value = $cf::RUNTIME + 90 + 10; 488sub fork_call(&@) {
367 # 10 is the runtime save interval, for a monotonic clock 489 my ($cb, @args) = @_;
368 # 60 allows for the watchdog to kill the server.
369 490
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 491 # we seemingly have to make a local copy of the whole thing,
371 and return; 492 # otherwise perl prematurely frees the stuff :/
493 # TODO: investigate and fix (likely this will be rather laborious)
372 494
373 # always fsync - this file is important 495 my @res = Coro::Util::fork_eval {
374 aio_fsync $fh 496 reset_signals;
375 and return; 497 &$cb
498 }, @args;
376 499
377 close $fh 500 wantarray ? @res : $res[-1]
378 or return; 501}
379 502
380 aio_rename "$runtime~", $runtime 503=item $value = cf::db_get $family => $key
381 and return;
382 504
505Returns a single value from the environment database.
506
507=item cf::db_put $family => $key => $value
508
509Stores the given C<$value> in the family. It can currently store binary
510data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
511
512=cut
513
514our $DB;
515
516sub db_init {
517 unless ($DB) {
518 $DB = BDB::db_create $DB_ENV;
519
520 cf::sync_job {
521 eval {
522 $DB->set_flags (BDB::CHKSUM);
523
524 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
525 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
526 cf::cleanup "db_open(db): $!" if $!;
527 };
528 cf::cleanup "db_open(db): $@" if $@;
529 };
383 1 530 }
531}
532
533sub db_get($$) {
534 my $key = "$_[0]/$_[1]";
535
536 cf::sync_job {
537 BDB::db_get $DB, undef, $key, my $data;
538
539 $! ? ()
540 : $data
541 }
542}
543
544sub db_put($$$) {
545 BDB::dbreq_pri 4;
546 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
547}
548
549=item cf::cache $id => [$paths...], $processversion => $process
550
551Generic caching function that returns the value of the resource $id,
552caching and regenerating as required.
553
554This function can block.
555
556=cut
557
558sub cache {
559 my ($id, $src, $processversion, $process) = @_;
560
561 my $meta =
562 join "\x00",
563 $processversion,
564 map {
565 aio_stat $_
566 and Carp::croak "$_: $!";
567
568 ($_, (stat _)[7,9])
569 } @$src;
570
571 my $dbmeta = db_get cache => "$id/meta";
572 if ($dbmeta ne $meta) {
573 # changed, we may need to process
574
575 my @data;
576 my $md5;
577
578 for (0 .. $#$src) {
579 0 <= aio_load $src->[$_], $data[$_]
580 or Carp::croak "$src->[$_]: $!";
581 }
582
583 # if processing is expensive, check
584 # checksum first
585 if (1) {
586 $md5 =
587 join "\x00",
588 $processversion,
589 map {
590 cf::cede_to_tick;
591 ($src->[$_], Digest::MD5::md5_hex $data[$_])
592 } 0.. $#$src;
593
594
595 my $dbmd5 = db_get cache => "$id/md5";
596 if ($dbmd5 eq $md5) {
597 db_put cache => "$id/meta", $meta;
598
599 return db_get cache => "$id/data";
600 }
601 }
602
603 my $t1 = Time::HiRes::time;
604 my $data = $process->(\@data);
605 my $t2 = Time::HiRes::time;
606
607 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
608
609 db_put cache => "$id/data", $data;
610 db_put cache => "$id/md5" , $md5;
611 db_put cache => "$id/meta", $meta;
612
613 return $data;
614 }
615
616 db_get cache => "$id/data"
617}
618
619=item cf::datalog type => key => value, ...
620
621Log a datalog packet of the given type with the given key-value pairs.
622
623=cut
624
625sub datalog($@) {
626 my ($type, %kv) = @_;
627 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 628}
385 629
386=back 630=back
387 631
388=cut 632=cut
395attach callbacks/event handlers (a collection of which is called an "attachment") 639attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 640to it. All such attachable objects support the following methods.
397 641
398In the following description, CLASS can be any of C<global>, C<object> 642In the following description, CLASS can be any of C<global>, C<object>
399C<player>, C<client> or C<map> (i.e. the attachable objects in 643C<player>, C<client> or C<map> (i.e. the attachable objects in
400crossfire+). 644Crossfire TRT).
401 645
402=over 4 646=over 4
403 647
404=item $attachable->attach ($attachment, key => $value...) 648=item $attachable->attach ($attachment, key => $value...)
405 649
568 $registry = $CB_TYPE[$object_type] ||= []; 812 $registry = $CB_TYPE[$object_type] ||= [];
569 813
570 } elsif ($type eq "subtype") { 814 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 815 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 816 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 817 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 818
575 } elsif ($type eq "package") { 819 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 820 my $pkg = shift @arg;
577 821
578 while (my ($name, $id) = each %cb_id) { 822 while (my ($name, $id) = each %cb_id) {
607 _attach $registry, $klass, @attach; 851 _attach $registry, $klass, @attach;
608 } 852 }
609 853
610 $obj->{$name} = \%arg; 854 $obj->{$name} = \%arg;
611 } else { 855 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 856 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 857 }
614 858
615 $obj->{_attachment}{$name} = undef; 859 $obj->{_attachment}{$name} = undef;
616} 860}
617 861
619 if (ref $_[0]) { 863 if (ref $_[0]) {
620 _object_attach @_; 864 _object_attach @_;
621 } else { 865 } else {
622 _attach shift->_attach_registry, @_; 866 _attach shift->_attach_registry, @_;
623 } 867 }
868 _recalc_want;
624}; 869};
625 870
626# all those should be optimised 871# all those should be optimised
627sub cf::attachable::detach { 872sub cf::attachable::detach {
628 my ($obj, $name) = @_; 873 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 876 delete $obj->{_attachment}{$name};
632 reattach ($obj); 877 reattach ($obj);
633 } else { 878 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 879 Carp::croak "cannot, currently, detach class attachments";
635 } 880 }
881 _recalc_want;
636}; 882};
637 883
638sub cf::attachable::attached { 884sub cf::attachable::attached {
639 my ($obj, $name) = @_; 885 my ($obj, $name) = @_;
640 886
655 "; 901 ";
656 die if $@; 902 die if $@;
657} 903}
658 904
659our $override; 905our $override;
660our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 906our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661 907
662sub override { 908sub override {
663 $override = 1; 909 $override = 1;
664 @invoke_results = (); 910 @INVOKE_RESULTS = (@_);
665} 911}
666 912
667sub do_invoke { 913sub do_invoke {
668 my $event = shift; 914 my $event = shift;
669 my $callbacks = shift; 915 my $callbacks = shift;
670 916
671 @invoke_results = (); 917 @INVOKE_RESULTS = ();
672 918
673 local $override; 919 local $override;
674 920
675 for (@$callbacks) { 921 for (@$callbacks) {
676 eval { &{$_->[1]} }; 922 eval { &{$_->[1]} };
693 939
694Generate an object-specific event with the given arguments. 940Generate an object-specific event with the given arguments.
695 941
696This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 942This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697removed in future versions), and there is no public API to access override 943removed in future versions), and there is no public API to access override
698results (if you must, access C<@cf::invoke_results> directly). 944results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 945
700=back 946=back
701 947
702=cut 948=cut
703 949
704############################################################################# 950#############################################################################
705# object support 951# object support
952#
953
954sub _can_merge {
955 my ($ob1, $ob2) = @_;
956
957 local $Storable::canonical = 1;
958 my $fob1 = Storable::freeze $ob1;
959 my $fob2 = Storable::freeze $ob2;
960
961 $fob1 eq $fob2
962}
706 963
707sub reattach { 964sub reattach {
708 # basically do the same as instantiate, without calling instantiate 965 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 966 my ($obj) = @_;
710 967
755); 1012);
756 1013
757sub object_freezer_save { 1014sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1015 my ($filename, $rdata, $objs) = @_;
759 1016
1017 my $guard = cf::lock_acquire "io";
1018
760 sync_job { 1019 sync_job {
761 if (length $$rdata) { 1020 if (length $$rdata) {
1021 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1022 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1023 $decname, length $$rdata, scalar @$objs;
764 1024
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1025 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1026 chmod SAVE_MODE, $fh;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1027 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1028 aio_fsync $fh if $cf::USE_FSYNC;
787 } 1047 }
788 } else { 1048 } else {
789 aio_unlink $filename; 1049 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1050 aio_unlink "$filename.pst";
791 } 1051 }
792 } 1052 };
1053
1054 undef $guard;
793} 1055}
794 1056
795sub object_freezer_as_string { 1057sub object_freezer_as_string {
796 my ($rdata, $objs) = @_; 1058 my ($rdata, $objs) = @_;
797 1059
802 1064
803sub object_thawer_load { 1065sub object_thawer_load {
804 my ($filename) = @_; 1066 my ($filename) = @_;
805 1067
806 my ($data, $av); 1068 my ($data, $av);
1069
1070 my $guard = cf::lock_acquire "io";
807 1071
808 (aio_load $filename, $data) >= 0 1072 (aio_load $filename, $data) >= 0
809 or return; 1073 or return;
810 1074
811 unless (aio_stat "$filename.pst") { 1075 unless (aio_stat "$filename.pst") {
812 (aio_load "$filename.pst", $av) >= 0 1076 (aio_load "$filename.pst", $av) >= 0
813 or return; 1077 or return;
1078
1079 undef $guard;
814 $av = eval { (Storable::thaw $av)->{objs} }; 1080 $av = eval { (Storable::thaw $av)->{objs} };
815 } 1081 }
816 1082
1083 utf8::decode (my $decname = $filename);
817 warn sprintf "loading %s (%d)\n", 1084 warn sprintf "loading %s (%d,%d)\n",
818 $filename, length $data, scalar @{$av || []};#d# 1085 $decname, length $data, scalar @{$av || []};
1086
819 return ($data, $av); 1087 ($data, $av)
820} 1088}
1089
1090=head2 COMMAND CALLBACKS
1091
1092=over 4
1093
1094=cut
821 1095
822############################################################################# 1096#############################################################################
823# command handling &c 1097# command handling &c
824 1098
825=item cf::register_command $name => \&callback($ob,$args); 1099=item cf::register_command $name => \&callback($ob,$args);
838 push @{ $COMMAND{$name} }, [$caller, $cb]; 1112 push @{ $COMMAND{$name} }, [$caller, $cb];
839} 1113}
840 1114
841=item cf::register_extcmd $name => \&callback($pl,$packet); 1115=item cf::register_extcmd $name => \&callback($pl,$packet);
842 1116
843Register a callbackf ro execution when the client sends an extcmd packet. 1117Register a callback for execution when the client sends an (synchronous)
1118extcmd packet. Ext commands will be processed in the order they are
1119received by the server, like other user commands. The first argument is
1120the logged-in player. Ext commands can only be processed after a player
1121has logged in successfully.
844 1122
845If the callback returns something, it is sent back as if reply was being 1123If the callback returns something, it is sent back as if reply was being
846called. 1124called.
847 1125
1126=item cf::register_exticmd $name => \&callback($ns,$packet);
1127
1128Register a callback for execution when the client sends an (asynchronous)
1129exticmd packet. Exti commands are processed by the server as soon as they
1130are received, i.e. out of order w.r.t. other commands. The first argument
1131is a client socket. Exti commands can be received anytime, even before
1132log-in.
1133
1134If the callback returns something, it is sent back as if reply was being
1135called.
1136
848=cut 1137=cut
849 1138
850sub register_extcmd { 1139sub register_extcmd {
851 my ($name, $cb) = @_; 1140 my ($name, $cb) = @_;
852 1141
853 $EXTCMD{$name} = $cb; 1142 $EXTCMD{$name} = $cb;
1143}
1144
1145sub register_exticmd {
1146 my ($name, $cb) = @_;
1147
1148 $EXTICMD{$name} = $cb;
854} 1149}
855 1150
856cf::player->attach ( 1151cf::player->attach (
857 on_command => sub { 1152 on_command => sub {
858 my ($pl, $name, $params) = @_; 1153 my ($pl, $name, $params) = @_;
867 cf::override; 1162 cf::override;
868 }, 1163 },
869 on_extcmd => sub { 1164 on_extcmd => sub {
870 my ($pl, $buf) = @_; 1165 my ($pl, $buf) = @_;
871 1166
872 my $msg = eval { from_json $buf }; 1167 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873 1168
874 if (ref $msg) { 1169 if (ref $msg) {
1170 my ($type, $reply, @payload) =
1171 "ARRAY" eq ref $msg
1172 ? @$msg
1173 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1174
1175 my @reply;
1176
875 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1177 if (my $cb = $EXTCMD{$type}) {
876 if (my %reply = $cb->($pl, $msg)) { 1178 @reply = $cb->($pl, @payload);
877 $pl->ext_reply ($msg->{msgid}, %reply);
878 }
879 } 1179 }
1180
1181 $pl->ext_reply ($reply, @reply)
1182 if $reply;
1183
880 } else { 1184 } else {
881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1185 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882 } 1186 }
883 1187
884 cf::override; 1188 cf::override;
885 }, 1189 },
886); 1190);
887 1191
888sub load_extension {
889 my ($path) = @_;
890
891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
892 my $base = $1;
893 my $pkg = $1;
894 $pkg =~ s/[^[:word:]]/_/g;
895 $pkg = "ext::$pkg";
896
897 warn "... loading '$path' into '$pkg'\n";
898
899 open my $fh, "<:utf8", $path
900 or die "$path: $!";
901
902 my $source =
903 "package $pkg; use strict; use utf8;\n"
904 . "#line 1 \"$path\"\n{\n"
905 . (do { local $/; <$fh> })
906 . "\n};\n1";
907
908 unless (eval $source) {
909 my $msg = $@ ? "$path: $@\n"
910 : "extension disabled.\n";
911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912 warn $@;
913 warn "mandatory extension failed to load, exiting.\n";
914 exit 1;
915 }
916 die $@;
917 }
918
919 push @EXTS, $pkg;
920}
921
922sub load_extensions { 1192sub load_extensions {
1193 cf::sync_job {
1194 my %todo;
1195
923 for my $ext (<$LIBDIR/*.ext>) { 1196 for my $path (<$LIBDIR/*.ext>) {
924 next unless -r $ext; 1197 next unless -r $path;
925 eval { 1198
926 load_extension $ext; 1199 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1200 my $base = $1;
1201 my $pkg = $1;
1202 $pkg =~ s/[^[:word:]]/_/g;
1203 $pkg = "ext::$pkg";
1204
1205 open my $fh, "<:utf8", $path
1206 or die "$path: $!";
1207
1208 my $source = do { local $/; <$fh> };
1209
1210 my %ext = (
1211 path => $path,
1212 base => $base,
1213 pkg => $pkg,
1214 );
1215
1216 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1217 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1218
1219 $ext{source} =
1220 "package $pkg; use strict; use utf8;\n"
1221 . "#line 1 \"$path\"\n{\n"
1222 . $source
1223 . "\n};\n1";
1224
1225 $todo{$base} = \%ext;
1226 }
1227
1228 my %done;
1229 while (%todo) {
1230 my $progress;
1231
1232 while (my ($k, $v) = each %todo) {
1233 for (split /,\s*/, $v->{meta}{depends}) {
1234 goto skip
1235 unless exists $done{$_};
1236 }
1237
1238 warn "... loading '$k' into '$v->{pkg}'\n";
1239
1240 unless (eval $v->{source}) {
1241 my $msg = $@ ? "$v->{path}: $@\n"
1242 : "$v->{base}: extension inactive.\n";
1243
1244 if (exists $v->{meta}{mandatory}) {
1245 warn $msg;
1246 warn "mandatory extension failed to load, exiting.\n";
1247 exit 1;
1248 }
1249
1250 warn $msg;
1251 }
1252
1253 $done{$k} = delete $todo{$k};
1254 push @EXTS, $v->{pkg};
1255 $progress = 1;
927 1 1256 }
928 } or warn "$ext not loaded: $@"; 1257
1258 skip:
1259 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1260 unless $progress;
1261 }
929 } 1262 };
930} 1263}
931 1264
932############################################################################# 1265#############################################################################
933 1266
1267=back
1268
934=head2 CORE EXTENSIONS 1269=head2 CORE EXTENSIONS
935 1270
936Functions and methods that extend core crossfire objects. 1271Functions and methods that extend core crossfire objects.
937 1272
938=cut 1273=cut
943 1278
944=head3 cf::player 1279=head3 cf::player
945 1280
946=over 4 1281=over 4
947 1282
1283=item cf::player::num_playing
1284
1285Returns the official number of playing players, as per the Crossfire metaserver rules.
1286
1287=cut
1288
1289sub num_playing {
1290 scalar grep
1291 $_->ob->map
1292 && !$_->hidden
1293 && !$_->ob->flag (cf::FLAG_WIZ),
1294 cf::player::list
1295}
1296
948=item cf::player::find $login 1297=item cf::player::find $login
949 1298
950Returns the given player object, loading it if necessary (might block). 1299Returns the given player object, loading it if necessary (might block).
951 1300
952=cut 1301=cut
953 1302
954sub playerdir($) { 1303sub playerdir($) {
955 cf::localdir 1304 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1305 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1306}
961 1307
962sub path($) { 1308sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1309 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1310
965 (playerdir $login) . "/$login.pl" 1311 (playerdir $login) . "/playerdata"
966} 1312}
967 1313
968sub find_active($) { 1314sub find_active($) {
969 $cf::PLAYER{$_[0]} 1315 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1316 and $cf::PLAYER{$_[0]}->active
983 my $login = $_[0]; 1329 my $login = $_[0];
984 1330
985 my $guard = cf::lock_acquire "user_find:$login"; 1331 my $guard = cf::lock_acquire "user_find:$login";
986 1332
987 $cf::PLAYER{$_[0]} || do { 1333 $cf::PLAYER{$_[0]} || do {
988 my $pl = load_pl path $login 1334 # rename old playerfiles to new ones
1335 #TODO: remove when no longer required
1336 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1337 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1338 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1339 aio_unlink +(playerdir $login) . "/$login.pl";
1340
1341 my $f = new_from_file cf::object::thawer path $login
989 or return; 1342 or return;
1343
1344 $f->next;
1345 my $pl = cf::player::load_pl $f
1346 or return;
1347 local $cf::PLAYER_LOADING{$login} = $pl;
1348 $f->resolve_delayed_derefs;
990 $cf::PLAYER{$login} = $pl 1349 $cf::PLAYER{$login} = $pl
991 } 1350 }
992 } 1351 }
993} 1352}
994 1353
1004 1363
1005 aio_mkdir playerdir $pl, 0770; 1364 aio_mkdir playerdir $pl, 0770;
1006 $pl->{last_save} = $cf::RUNTIME; 1365 $pl->{last_save} = $cf::RUNTIME;
1007 1366
1008 $pl->save_pl ($path); 1367 $pl->save_pl ($path);
1009 Coro::cede; 1368 cf::cede_to_tick;
1010} 1369}
1011 1370
1012sub new($) { 1371sub new($) {
1013 my ($login) = @_; 1372 my ($login) = @_;
1014 1373
1020 $cf::PLAYER{$login} = $self; 1379 $cf::PLAYER{$login} = $self;
1021 1380
1022 $self 1381 $self
1023} 1382}
1024 1383
1384=item $player->send_msg ($channel, $msg, $color, [extra...])
1385
1386=cut
1387
1388sub send_msg {
1389 my $ns = shift->ns
1390 or return;
1391 $ns->send_msg (@_);
1392}
1393
1025=item $pl->quit_character 1394=item $pl->quit_character
1026 1395
1027Nukes the player without looking back. If logged in, the connection will 1396Nukes the player without looking back. If logged in, the connection will
1028be destroyed. May block for a long time. 1397be destroyed. May block for a long time.
1029 1398
1030=cut 1399=cut
1031 1400
1032sub quit_character { 1401sub quit_character {
1033 my ($pl) = @_; 1402 my ($pl) = @_;
1403
1404 my $name = $pl->ob->name;
1034 1405
1035 $pl->{deny_save} = 1; 1406 $pl->{deny_save} = 1;
1036 $pl->password ("*"); # this should lock out the player until we nuked the dir 1407 $pl->password ("*"); # this should lock out the player until we nuked the dir
1037 1408
1038 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1409 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1043 my $path = playerdir $pl; 1414 my $path = playerdir $pl;
1044 my $temp = "$path~$cf::RUNTIME~deleting~"; 1415 my $temp = "$path~$cf::RUNTIME~deleting~";
1045 aio_rename $path, $temp; 1416 aio_rename $path, $temp;
1046 delete $cf::PLAYER{$pl->ob->name}; 1417 delete $cf::PLAYER{$pl->ob->name};
1047 $pl->destroy; 1418 $pl->destroy;
1419
1420 my $prefix = qr<^~\Q$name\E/>;
1421
1422 # nuke player maps
1423 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1424
1048 IO::AIO::aio_rmtree $temp; 1425 IO::AIO::aio_rmtree $temp;
1426}
1427
1428=item $pl->kick
1429
1430Kicks a player out of the game. This destroys the connection.
1431
1432=cut
1433
1434sub kick {
1435 my ($pl, $kicker) = @_;
1436
1437 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1438 $pl->killer ("kicked");
1439 $pl->ns->destroy;
1049} 1440}
1050 1441
1051=item cf::player::list_logins 1442=item cf::player::list_logins
1052 1443
1053Returns am arrayref of all valid playernames in the system, can take a 1444Returns am arrayref of all valid playernames in the system, can take a
1054while and may block, so not sync_job-capable, ever. 1445while and may block, so not sync_job-capable, ever.
1055 1446
1056=cut 1447=cut
1057 1448
1058sub list_logins { 1449sub list_logins {
1059 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1450 my $dirs = aio_readdir $PLAYERDIR
1060 or return []; 1451 or return [];
1061 1452
1062 my @logins; 1453 my @logins;
1063 1454
1064 for my $login (@$dirs) { 1455 for my $login (@$dirs) {
1456 my $path = path $login;
1457
1458 # a .pst is a dead give-away for a valid player
1459 unless (-e "$path.pst") {
1065 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1460 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066 aio_read $fh, 0, 512, my $buf, 0 or next; 1461 aio_read $fh, 0, 512, my $buf, 0 or next;
1067 $buf !~ /^password -------------$/m or next; # official not-valid tag 1462 $buf !~ /^password -------------$/m or next; # official not-valid tag
1463 }
1068 1464
1069 utf8::decode $login; 1465 utf8::decode $login;
1070 push @logins, $login; 1466 push @logins, $login;
1071 } 1467 }
1072 1468
1099 } 1495 }
1100 1496
1101 \@paths 1497 \@paths
1102} 1498}
1103 1499
1500=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1501
1502Expand crossfire pod fragments into protocol xml.
1503
1504=cut
1505
1506sub expand_cfpod {
1507 ((my $self), (local $_)) = @_;
1508
1509 # escape & and <
1510 s/&/&amp;/g;
1511 s/(?<![BIUGHT])</&lt;/g;
1512
1513 # this is buggy, it needs to properly take care of nested <'s
1514
1515 1 while
1516 # replace B<>, I<>, U<> etc.
1517 s/B<([^\>]*)>/<b>$1<\/b>/
1518 || s/I<([^\>]*)>/<i>$1<\/i>/
1519 || s/U<([^\>]*)>/<u>$1<\/u>/
1520 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1521 # replace G<male|female> tags
1522 || s{G<([^>|]*)\|([^>]*)>}{
1523 $self->gender ? $2 : $1
1524 }ge
1525 # replace H<hint text>
1526 || s{H<([^\>]*)>}
1527 {
1528 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1529 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1530 "")
1531 [$self->{hintmode}]
1532 }ge;
1533
1534 # create single paragraphs (very hackish)
1535 s/(?<=\S)\n(?=\w)/ /g;
1536
1537 # compress some whitespace
1538 s/\s+\n/\n/g; # ws line-ends
1539 s/\n\n+/\n/g; # double lines
1540 s/^\n+//; # beginning lines
1541 s/\n+$//; # ending lines
1542
1543 $_
1544}
1545
1546sub hintmode {
1547 $_[0]{hintmode} = $_[1] if @_ > 1;
1548 $_[0]{hintmode}
1549}
1550
1104=item $player->ext_reply ($msgid, $msgtype, %msg) 1551=item $player->ext_reply ($msgid, @msg)
1105 1552
1106Sends an ext reply to the player. 1553Sends an ext reply to the player.
1107 1554
1108=cut 1555=cut
1109 1556
1110sub ext_reply($$$%) { 1557sub ext_reply($$@) {
1111 my ($self, $id, %msg) = @_; 1558 my ($self, $id, @msg) = @_;
1112 1559
1113 $msg{msgid} = $id; 1560 $self->ns->ext_reply ($id, @msg)
1114
1115 $self->send ("ext " . cf::to_json \%msg);
1116} 1561}
1117 1562
1118package cf; 1563=item $player->ext_msg ($type, @msg)
1564
1565Sends an ext event to the client.
1566
1567=cut
1568
1569sub ext_msg($$@) {
1570 my ($self, $type, @msg) = @_;
1571
1572 $self->ns->ext_msg ($type, @msg);
1573}
1574
1575=head3 cf::region
1576
1577=over 4
1578
1579=cut
1580
1581package cf::region;
1582
1583=item cf::region::find_by_path $path
1584
1585Tries to decuce the likely region for a map knowing only its path.
1586
1587=cut
1588
1589sub find_by_path($) {
1590 my ($path) = @_;
1591
1592 my ($match, $specificity);
1593
1594 for my $region (list) {
1595 if ($region->{match} && $path =~ $region->{match}) {
1596 ($match, $specificity) = ($region, $region->specificity)
1597 if $region->specificity > $specificity;
1598 }
1599 }
1600
1601 $match
1602}
1119 1603
1120=back 1604=back
1121
1122 1605
1123=head3 cf::map 1606=head3 cf::map
1124 1607
1125=over 4 1608=over 4
1126 1609
1181 my ($self, $merge) = @_; 1664 my ($self, $merge) = @_;
1182 1665
1183 # we have to keep some variables in memory intact 1666 # we have to keep some variables in memory intact
1184 local $self->{path}; 1667 local $self->{path};
1185 local $self->{load_path}; 1668 local $self->{load_path};
1186 local $self->{deny_save};
1187 local $self->{deny_reset};
1188 1669
1189 $self->SUPER::thawer_merge ($merge); 1670 $self->SUPER::thawer_merge ($merge);
1190} 1671}
1191 1672
1192sub normalise { 1673sub normalise {
1239 $self->init; # pass $1 etc. 1720 $self->init; # pass $1 etc.
1240 return $self; 1721 return $self;
1241 } 1722 }
1242 } 1723 }
1243 1724
1244 Carp::carp "unable to resolve path '$path' (base '$base')."; 1725 Carp::cluck "unable to resolve path '$path' (base '$base').";
1245 () 1726 ()
1246} 1727}
1247 1728
1248sub init { 1729sub init {
1249 my ($self) = @_; 1730 my ($self) = @_;
1264 1745
1265# the original (read-only) location 1746# the original (read-only) location
1266sub load_path { 1747sub load_path {
1267 my ($self) = @_; 1748 my ($self) = @_;
1268 1749
1269 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1750 "$MAPDIR/$self->{path}.map"
1270} 1751}
1271 1752
1272# the temporary/swap location 1753# the temporary/swap location
1273sub save_path { 1754sub save_path {
1274 my ($self) = @_; 1755 my ($self) = @_;
1275 1756
1276 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1757 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1758 "$TMPDIR/$path.map"
1278} 1759}
1279 1760
1280# the unique path, undef == no special unique path 1761# the unique path, undef == no special unique path
1281sub uniq_path { 1762sub uniq_path {
1282 my ($self) = @_; 1763 my ($self) = @_;
1283 1764
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1765 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1766 "$UNIQUEDIR/$path"
1286} 1767}
1287 1768
1288# and all this just because we cannot iterate over 1769# and all this just because we cannot iterate over
1289# all maps in C++... 1770# all maps in C++...
1290sub change_all_map_light { 1771sub change_all_map_light {
1292 1773
1293 $_->change_map_light ($change) 1774 $_->change_map_light ($change)
1294 for grep $_->outdoor, values %cf::MAP; 1775 for grep $_->outdoor, values %cf::MAP;
1295} 1776}
1296 1777
1778sub decay_objects {
1779 my ($self) = @_;
1780
1781 return if $self->{deny_reset};
1782
1783 $self->do_decay_objects;
1784}
1785
1297sub unlink_save { 1786sub unlink_save {
1298 my ($self) = @_; 1787 my ($self) = @_;
1299 1788
1300 utf8::encode (my $save = $self->save_path); 1789 utf8::encode (my $save = $self->save_path);
1301 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1790 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1304 1793
1305sub load_header_from($) { 1794sub load_header_from($) {
1306 my ($self, $path) = @_; 1795 my ($self, $path) = @_;
1307 1796
1308 utf8::encode $path; 1797 utf8::encode $path;
1309 #aio_open $path, O_RDONLY, 0 1798 my $f = new_from_file cf::object::thawer $path
1310 # or return;
1311
1312 $self->_load_header ($path)
1313 or return; 1799 or return;
1800
1801 $self->_load_header ($f)
1802 or return;
1803
1804 local $MAP_LOADING{$self->{path}} = $self;
1805 $f->resolve_delayed_derefs;
1314 1806
1315 $self->{load_path} = $path; 1807 $self->{load_path} = $path;
1316 1808
1317 1 1809 1
1318} 1810}
1357 $self->load_header_orig 1849 $self->load_header_orig
1358 or return; 1850 or return;
1359 $self->prepare_orig; 1851 $self->prepare_orig;
1360 } 1852 }
1361 1853
1854 $self->{deny_reset} = 1
1855 if $self->no_reset;
1856
1857 $self->default_region (cf::region::find_by_path $self->{path})
1858 unless $self->default_region;
1859
1362 1 1860 1
1363} 1861}
1364 1862
1365sub find; 1863sub find;
1366sub find { 1864sub find {
1367 my ($path, $origin) = @_; 1865 my ($path, $origin) = @_;
1368 1866
1369 $path = normalise $path, $origin && $origin->path; 1867 $path = normalise $path, $origin && $origin->path;
1370 1868
1869 cf::lock_wait "map_data:$path";#d#remove
1371 cf::lock_wait "map_find:$path"; 1870 cf::lock_wait "map_find:$path";
1372 1871
1373 $cf::MAP{$path} || do { 1872 $cf::MAP{$path} || do {
1374 my $guard = cf::lock_acquire "map_find:$path"; 1873 my $guard1 = cf::lock_acquire "map_find:$path";
1874 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1875
1375 my $map = new_from_path cf::map $path 1876 my $map = new_from_path cf::map $path
1376 or return; 1877 or return;
1377 1878
1378 $map->{last_save} = $cf::RUNTIME; 1879 $map->{last_save} = $cf::RUNTIME;
1379 1880
1380 $map->load_header 1881 $map->load_header
1381 or return; 1882 or return;
1382 1883
1383 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1884 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384 # doing this can freeze the server in a sync job, obviously 1885 # doing this can freeze the server in a sync job, obviously
1385 #$cf::WAIT_FOR_TICK->wait; 1886 #$cf::WAIT_FOR_TICK->wait;
1887 undef $guard1;
1888 undef $guard2;
1386 $map->reset; 1889 $map->reset;
1387 undef $guard;
1388 return find $path; 1890 return find $path;
1389 } 1891 }
1390 1892
1391 $cf::MAP{$path} = $map 1893 $cf::MAP{$path} = $map
1392 } 1894 }
1399 my ($self) = @_; 1901 my ($self) = @_;
1400 1902
1401 local $self->{deny_reset} = 1; # loading can take a long time 1903 local $self->{deny_reset} = 1; # loading can take a long time
1402 1904
1403 my $path = $self->{path}; 1905 my $path = $self->{path};
1906
1907 {
1404 my $guard = cf::lock_acquire "map_load:$path"; 1908 my $guard = cf::lock_acquire "map_data:$path";
1405 1909
1910 return unless $self->valid;
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1911 return unless $self->in_memory == cf::MAP_SWAPPED;
1407 1912
1408 $self->in_memory (cf::MAP_LOADING); 1913 $self->in_memory (cf::MAP_LOADING);
1409 1914
1410 $self->alloc; 1915 $self->alloc;
1411 1916
1412 $self->pre_load; 1917 $self->pre_load;
1918 cf::cede_to_tick;
1413 1919
1414 $self->_load_objects ($self->{load_path}, 1) 1920 my $f = new_from_file cf::object::thawer $self->{load_path};
1921 $f->skip_block;
1922 $self->_load_objects ($f)
1415 or return; 1923 or return;
1416 1924
1417 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1925 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418 if delete $self->{load_original}; 1926 if delete $self->{load_original};
1419 1927
1420 if (my $uniq = $self->uniq_path) { 1928 if (my $uniq = $self->uniq_path) {
1421 utf8::encode $uniq; 1929 utf8::encode $uniq;
1422 if (aio_open $uniq, O_RDONLY, 0) { 1930 unless (aio_stat $uniq) {
1931 if (my $f = new_from_file cf::object::thawer $uniq) {
1423 $self->clear_unique_items; 1932 $self->clear_unique_items;
1424 $self->_load_objects ($uniq, 0); 1933 $self->_load_objects ($f);
1934 $f->resolve_delayed_derefs;
1935 }
1425 } 1936 }
1426 } 1937 }
1427 1938
1428 Coro::cede; 1939 $f->resolve_delayed_derefs;
1429 1940
1941 cf::cede_to_tick;
1430 # now do the right thing for maps 1942 # now do the right thing for maps
1431 $self->link_multipart_objects; 1943 $self->link_multipart_objects;
1432
1433 unless ($self->{deny_activate}) {
1434 $self->decay_objects;
1435 $self->fix_auto_apply;
1436 $self->update_buttons;
1437 Coro::cede;
1438 $self->set_darkness_map;
1439 $self->difficulty ($self->estimate_difficulty) 1944 $self->difficulty ($self->estimate_difficulty)
1440 unless $self->difficulty; 1945 unless $self->difficulty;
1441 Coro::cede; 1946 cf::cede_to_tick;
1947
1948 unless ($self->{deny_activate}) {
1949 $self->decay_objects;
1950 $self->fix_auto_apply;
1951 $self->update_buttons;
1952 cf::cede_to_tick;
1953 $self->set_darkness_map;
1954 cf::cede_to_tick;
1442 $self->activate; 1955 $self->activate;
1956 }
1957
1958 $self->{last_save} = $cf::RUNTIME;
1959 $self->last_access ($cf::RUNTIME);
1960
1961 $self->in_memory (cf::MAP_IN_MEMORY);
1443 } 1962 }
1444 1963
1445 $self->post_load; 1964 $self->post_load;
1446
1447 $self->in_memory (cf::MAP_IN_MEMORY);
1448} 1965}
1449 1966
1450sub customise_for { 1967sub customise_for {
1451 my ($self, $ob) = @_; 1968 my ($self, $ob) = @_;
1452 1969
1453 return find "~" . $ob->name . "/" . $self->{path} 1970 return find "~" . $ob->name . "/" . $self->{path}
1454 if $self->per_player; 1971 if $self->per_player;
1455 1972
1973# return find "?party/" . $ob->name . "/" . $self->{path}
1974# if $self->per_party;
1975
1456 $self 1976 $self
1457} 1977}
1458 1978
1459# find and load all maps in the 3x3 area around a map 1979# find and load all maps in the 3x3 area around a map
1460sub load_diag { 1980sub load_neighbours {
1461 my ($map) = @_; 1981 my ($map) = @_;
1462 1982
1463 my @diag; # diagonal neighbours 1983 my @neigh; # diagonal neighbours
1464 1984
1465 for (0 .. 3) { 1985 for (0 .. 3) {
1466 my $neigh = $map->tile_path ($_) 1986 my $neigh = $map->tile_path ($_)
1467 or next; 1987 or next;
1468 $neigh = find $neigh, $map 1988 $neigh = find $neigh, $map
1469 or next; 1989 or next;
1470 $neigh->load; 1990 $neigh->load;
1471 1991
1992 push @neigh,
1472 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1993 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1473 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1994 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1474 } 1995 }
1475 1996
1476 for (@diag) { 1997 for (grep defined $_->[0], @neigh) {
1998 my ($path, $origin) = @$_;
1477 my $neigh = find @$_ 1999 my $neigh = find $path, $origin
1478 or next; 2000 or next;
1479 $neigh->load; 2001 $neigh->load;
1480 } 2002 }
1481} 2003}
1482 2004
1487} 2009}
1488 2010
1489sub do_load_sync { 2011sub do_load_sync {
1490 my ($map) = @_; 2012 my ($map) = @_;
1491 2013
2014 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2015 if $Coro::current == $Coro::main;
2016
1492 cf::sync_job { $map->load }; 2017 cf::sync_job { $map->load };
1493} 2018}
1494 2019
1495our %MAP_PREFETCH; 2020our %MAP_PREFETCH;
1496our $MAP_PREFETCHER = undef; 2021our $MAP_PREFETCHER = undef;
1497 2022
1498sub find_async { 2023sub find_async {
1499 my ($path, $origin) = @_; 2024 my ($path, $origin, $load) = @_;
1500 2025
1501 $path = normalise $path, $origin && $origin->{path}; 2026 $path = normalise $path, $origin && $origin->{path};
1502 2027
1503 if (my $map = $cf::MAP{$path}) { 2028 if (my $map = $cf::MAP{$path}) {
1504 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2029 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1505 } 2030 }
1506 2031
1507 undef $MAP_PREFETCH{$path}; 2032 $MAP_PREFETCH{$path} |= $load;
2033
1508 $MAP_PREFETCHER ||= cf::async { 2034 $MAP_PREFETCHER ||= cf::async {
1509 while (%MAP_PREFETCH) { 2035 while (%MAP_PREFETCH) {
1510 for my $path (keys %MAP_PREFETCH) { 2036 while (my ($k, $v) = each %MAP_PREFETCH) {
1511 my $map = find $path 2037 if (my $map = find $k) {
1512 or next;
1513 $map->load; 2038 $map->load if $v;
2039 }
1514 2040
1515 delete $MAP_PREFETCH{$path}; 2041 delete $MAP_PREFETCH{$k};
1516 } 2042 }
1517 } 2043 }
1518 undef $MAP_PREFETCHER; 2044 undef $MAP_PREFETCHER;
1519 }; 2045 };
1520 $MAP_PREFETCHER->prio (6); 2046 $MAP_PREFETCHER->prio (6);
1523} 2049}
1524 2050
1525sub save { 2051sub save {
1526 my ($self) = @_; 2052 my ($self) = @_;
1527 2053
1528 my $lock = cf::lock_acquire "map_data:" . $self->path; 2054 my $lock = cf::lock_acquire "map_data:$self->{path}";
1529 2055
1530 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
1531 2057
1532 return unless $self->dirty; 2058 return unless $self->dirty;
1533 2059
1556 my ($self) = @_; 2082 my ($self) = @_;
1557 2083
1558 # save first because save cedes 2084 # save first because save cedes
1559 $self->save; 2085 $self->save;
1560 2086
1561 my $lock = cf::lock_acquire "map_data:" . $self->path; 2087 my $lock = cf::lock_acquire "map_data:$self->{path}";
1562 2088
1563 return if $self->players; 2089 return if $self->players;
1564 return if $self->in_memory != cf::MAP_IN_MEMORY; 2090 return if $self->in_memory != cf::MAP_IN_MEMORY;
1565 return if $self->{deny_save}; 2091 return if $self->{deny_save};
1566 2092
2093 $self->in_memory (cf::MAP_SWAPPED);
2094
2095 $self->deactivate;
2096 $_->clear_links_to ($self) for values %cf::MAP;
1567 $self->clear; 2097 $self->clear;
1568 $self->in_memory (cf::MAP_SWAPPED);
1569} 2098}
1570 2099
1571sub reset_at { 2100sub reset_at {
1572 my ($self) = @_; 2101 my ($self) = @_;
1573 2102
1574 # TODO: safety, remove and allow resettable per-player maps 2103 # TODO: safety, remove and allow resettable per-player maps
1575 return 1e99 if $self->isa ("ext::map_per_player");#d#
1576 return 1e99 if $self->{deny_reset}; 2104 return 1e99 if $self->{deny_reset};
1577 2105
1578 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2106 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2107 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580 2108
1591 my ($self) = @_; 2119 my ($self) = @_;
1592 2120
1593 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2121 my $lock = cf::lock_acquire "map_data:$self->{path}";
1594 2122
1595 return if $self->players; 2123 return if $self->players;
1596 return if $self->isa ("ext::map_per_player");#d#
1597 2124
1598 warn "resetting map ", $self->path;#d# 2125 warn "resetting map ", $self->path;
1599 2126
1600 $self->in_memory (cf::MAP_SWAPPED); 2127 $self->in_memory (cf::MAP_SWAPPED);
1601 2128
1602 # need to save uniques path 2129 # need to save uniques path
1603 unless ($self->{deny_save}) { 2130 unless ($self->{deny_save}) {
1607 if $uniq; 2134 if $uniq;
1608 } 2135 }
1609 2136
1610 delete $cf::MAP{$self->path}; 2137 delete $cf::MAP{$self->path};
1611 2138
2139 $self->deactivate;
2140 $_->clear_links_to ($self) for values %cf::MAP;
1612 $self->clear; 2141 $self->clear;
1613
1614 $_->clear_links_to ($self) for values %cf::MAP;
1615 2142
1616 $self->unlink_save; 2143 $self->unlink_save;
1617 $self->destroy; 2144 $self->destroy;
1618} 2145}
1619 2146
1620my $nuke_counter = "aaaa"; 2147my $nuke_counter = "aaaa";
1621 2148
1622sub nuke { 2149sub nuke {
1623 my ($self) = @_; 2150 my ($self) = @_;
1624 2151
2152 {
2153 my $lock = cf::lock_acquire "map_data:$self->{path}";
2154
1625 delete $cf::MAP{$self->path}; 2155 delete $cf::MAP{$self->path};
1626 2156
1627 $self->unlink_save; 2157 $self->unlink_save;
1628 2158
1629 bless $self, "cf::map"; 2159 bless $self, "cf::map";
1630 delete $self->{deny_reset}; 2160 delete $self->{deny_reset};
1631 $self->{deny_save} = 1; 2161 $self->{deny_save} = 1;
1632 $self->reset_timeout (1); 2162 $self->reset_timeout (1);
1633 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2163 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634 2164
1635 $cf::MAP{$self->path} = $self; 2165 $cf::MAP{$self->path} = $self;
2166 }
1636 2167
1637 $self->reset; # polite request, might not happen 2168 $self->reset; # polite request, might not happen
2169}
2170
2171=item $maps = cf::map::tmp_maps
2172
2173Returns an arrayref with all map paths of currently instantiated and saved
2174maps. May block.
2175
2176=cut
2177
2178sub tmp_maps() {
2179 [
2180 map {
2181 utf8::decode $_;
2182 /\.map$/
2183 ? normalise $_
2184 : ()
2185 } @{ aio_readdir $TMPDIR or [] }
2186 ]
2187}
2188
2189=item $maps = cf::map::random_maps
2190
2191Returns an arrayref with all map paths of currently instantiated and saved
2192random maps. May block.
2193
2194=cut
2195
2196sub random_maps() {
2197 [
2198 map {
2199 utf8::decode $_;
2200 /\.map$/
2201 ? normalise "?random/$_"
2202 : ()
2203 } @{ aio_readdir $RANDOMDIR or [] }
2204 ]
1638} 2205}
1639 2206
1640=item cf::map::unique_maps 2207=item cf::map::unique_maps
1641 2208
1642Returns an arrayref of paths of all shared maps that have 2209Returns an arrayref of paths of all shared maps that have
1643instantiated unique items. May block. 2210instantiated unique items. May block.
1644 2211
1645=cut 2212=cut
1646 2213
1647sub unique_maps() { 2214sub unique_maps() {
1648 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2215 [
1649 or return; 2216 map {
1650
1651 my @paths;
1652
1653 for (@$files) {
1654 utf8::decode $_; 2217 utf8::decode $_;
1655 next if /\.pst$/; 2218 /\.map$/
1656 next unless /^$PATH_SEP/o; 2219 ? normalise $_
1657 2220 : ()
1658 push @paths, cf::map::normalise $_; 2221 } @{ aio_readdir $UNIQUEDIR or [] }
1659 } 2222 ]
1660
1661 \@paths
1662} 2223}
1663 2224
1664package cf; 2225package cf;
1665 2226
1666=back 2227=back
1684 map { $_, inv_recursive_ $_->inv } @_ 2245 map { $_, inv_recursive_ $_->inv } @_
1685} 2246}
1686 2247
1687sub inv_recursive { 2248sub inv_recursive {
1688 inv_recursive_ inv $_[0] 2249 inv_recursive_ inv $_[0]
2250}
2251
2252=item $ref = $ob->ref
2253
2254creates and returns a persistent reference to an objetc that can be stored as a string.
2255
2256=item $ob = cf::object::deref ($refstring)
2257
2258returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2259even if the object actually exists. May block.
2260
2261=cut
2262
2263sub deref {
2264 my ($ref) = @_;
2265
2266 # temporary compatibility#TODO#remove
2267 $ref =~ s{^<}{player/<};
2268
2269 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2270 my ($uuid, $name) = ($1, $2);
2271 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2272 or return;
2273 $pl->ob->uuid eq $uuid
2274 or return;
2275
2276 $pl->ob
2277 } else {
2278 warn "$ref: cannot resolve object reference\n";
2279 undef
2280 }
1689} 2281}
1690 2282
1691package cf; 2283package cf;
1692 2284
1693=back 2285=back
1712 2304
1713 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2305 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714 2306
1715 if ($self->{record_replies}) { 2307 if ($self->{record_replies}) {
1716 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2308 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2309
1717 } else { 2310 } else {
2311 my $pl = $self->contr;
2312
2313 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2314 my $dialog = $pl->{npc_dialog};
2315 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2316
2317 } else {
1718 $msg = $npc->name . " says: $msg" if $npc; 2318 $msg = $npc->name . " says: $msg" if $npc;
1719 $self->message ($msg, $flags); 2319 $self->message ($msg, $flags);
2320 }
1720 } 2321 }
2322}
2323
2324=item $object->send_msg ($channel, $msg, $color, [extra...])
2325
2326=cut
2327
2328sub cf::object::send_msg {
2329 my $pl = shift->contr
2330 or return;
2331 $pl->send_msg (@_);
1721} 2332}
1722 2333
1723=item $player_object->may ("access") 2334=item $player_object->may ("access")
1724 2335
1725Returns wether the given player is authorized to access resource "access" 2336Returns wether the given player is authorized to access resource "access"
1772 $self->deactivate_recursive; 2383 $self->deactivate_recursive;
1773 2384
1774 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2385 return if UNIVERSAL::isa $self->map, "ext::map_link";
1775 2386
1776 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2387 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777 if $self->map; 2388 if $self->map && $self->map->{path} ne "{link}";
1778 2389
1779 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2390 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1780} 2391}
1781 2392
1782sub cf::object::player::leave_link { 2393sub cf::object::player::leave_link {
1783 my ($self, $map, $x, $y) = @_; 2394 my ($self, $map, $x, $y) = @_;
2395
2396 return unless $self->contr->active;
1784 2397
1785 my $link_pos = delete $self->{_link_pos}; 2398 my $link_pos = delete $self->{_link_pos};
1786 2399
1787 unless ($map) { 2400 unless ($map) {
1788 # restore original map position 2401 # restore original map position
1802 # use -1 or undef as default coordinates, not 0, 0 2415 # use -1 or undef as default coordinates, not 0, 0
1803 ($x, $y) = ($map->enter_x, $map->enter_y) 2416 ($x, $y) = ($map->enter_x, $map->enter_y)
1804 if $x <=0 && $y <= 0; 2417 if $x <=0 && $y <= 0;
1805 2418
1806 $map->load; 2419 $map->load;
1807 $map->load_diag; 2420 $map->load_neighbours;
1808 2421
1809 return unless $self->contr->active; 2422 return unless $self->contr->active;
1810 $self->activate_recursive; 2423 $self->activate_recursive;
1811 2424
1812 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2425 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813 $self->enter_map ($map, $x, $y); 2426 $self->enter_map ($map, $x, $y);
1814} 2427}
1815 2428
1816cf::player->attach ( 2429=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817 on_logout => sub {
1818 my ($pl) = @_;
1819 2430
1820 # abort map switching before logout 2431Moves the player to the given map-path and coordinates by first freezing
1821 if ($pl->ob->{_link_pos}) { 2432her, loading and preparing them map, calling the provided $check callback
1822 cf::sync_job { 2433that has to return the map if sucecssful, and then unfreezes the player on
1823 $pl->ob->leave_link 2434the new (success) or old (failed) map position. In either case, $done will
1824 }; 2435be called at the end of this process.
1825 }
1826 },
1827 on_login => sub {
1828 my ($pl) = @_;
1829 2436
1830 # try to abort aborted map switching on player login :)
1831 # should happen only on crashes
1832 if ($pl->ob->{_link_pos}) {
1833 $pl->ob->enter_link;
1834 (async {
1835 $pl->ob->reply (undef,
1836 "There was an internal problem at your last logout, "
1837 . "the server will try to bring you to your intended destination in a second.",
1838 cf::NDI_RED);
1839 # we need this sleep as the login has a concurrent enter_exit running
1840 # and this sleep increases chances of the player not ending up in scorn
1841 Coro::Timer::sleep 1;
1842 $pl->ob->leave_link;
1843 })->prio (2);
1844 }
1845 },
1846);
1847
1848=item $player_object->goto ($path, $x, $y)
1849
1850=cut 2437=cut
2438
2439our $GOTOGEN;
1851 2440
1852sub cf::object::player::goto { 2441sub cf::object::player::goto {
1853 my ($self, $path, $x, $y) = @_; 2442 my ($self, $path, $x, $y, $check, $done) = @_;
2443
2444 # do generation counting so two concurrent goto's will be executed in-order
2445 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854 2446
1855 $self->enter_link; 2447 $self->enter_link;
1856 2448
1857 (async { 2449 (async {
1858 my $map = eval { 2450 my $map = eval {
1859 my $map = cf::map::find $path; 2451 my $map = cf::map::find $path;
2452
2453 if ($map) {
1860 $map = $map->customise_for ($self) if $map; 2454 $map = $map->customise_for ($self);
2455 $map = $check->($map) if $check && $map;
2456 } else {
2457 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2458 }
2459
1861 $map 2460 $map
2461 };
2462
2463 if ($@) {
2464 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2465 LOG llevError | logBacktrace, Carp::longmess $@;
1862 } or 2466 }
1863 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864 2467
2468 if ($gen == $self->{_goto_generation}) {
2469 delete $self->{_goto_generation};
1865 $self->leave_link ($map, $x, $y); 2470 $self->leave_link ($map, $x, $y);
2471 }
2472
2473 $done->() if $done;
1866 })->prio (1); 2474 })->prio (1);
1867} 2475}
1868 2476
1869=item $player_object->enter_exit ($exit_object) 2477=item $player_object->enter_exit ($exit_object)
1870 2478
1909 2517
1910 $rmp->{random_seed} ||= $exit->random_seed; 2518 $rmp->{random_seed} ||= $exit->random_seed;
1911 2519
1912 my $data = cf::to_json $rmp; 2520 my $data = cf::to_json $rmp;
1913 my $md5 = Digest::MD5::md5_hex $data; 2521 my $md5 = Digest::MD5::md5_hex $data;
1914 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2522 my $meta = "$RANDOMDIR/$md5.meta";
1915 2523
1916 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2524 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917 aio_write $fh, 0, (length $data), $data, 0; 2525 aio_write $fh, 0, (length $data), $data, 0;
1918 undef $fh; 2526 undef $fh;
1919 aio_rename "$meta~", $meta; 2527 aio_rename "$meta~", $meta;
1928 2536
1929 return unless $self->type == cf::PLAYER; 2537 return unless $self->type == cf::PLAYER;
1930 2538
1931 if ($exit->slaying eq "/!") { 2539 if ($exit->slaying eq "/!") {
1932 #TODO: this should de-fi-ni-te-ly not be a sync-job 2540 #TODO: this should de-fi-ni-te-ly not be a sync-job
2541 # the problem is that $exit might not survive long enough
2542 # so it needs to be done right now, right here
1933 cf::sync_job { prepare_random_map $exit }; 2543 cf::sync_job { prepare_random_map $exit };
1934 } 2544 }
1935 2545
1936 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2546 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937 my $hp = $exit->stats->hp; 2547 my $hp = $exit->stats->hp;
1938 my $sp = $exit->stats->sp; 2548 my $sp = $exit->stats->sp;
1939 2549
1940 $self->enter_link; 2550 $self->enter_link;
2551
2552 # if exit is damned, update players death & WoR home-position
2553 $self->contr->savebed ($slaying, $hp, $sp)
2554 if $exit->flag (FLAG_DAMNED);
1941 2555
1942 (async { 2556 (async {
1943 $self->deactivate_recursive; # just to be sure 2557 $self->deactivate_recursive; # just to be sure
1944 unless (eval { 2558 unless (eval {
1945 $self->goto ($slaying, $hp, $sp); 2559 $self->goto ($slaying, $hp, $sp);
1946 2560
1947 1; 2561 1;
1948 }) { 2562 }) {
1949 $self->message ("Something went wrong deep within the crossfire server. " 2563 $self->message ("Something went wrong deep within the crossfire server. "
1950 . "I'll try to bring you back to the map you were before. " 2564 . "I'll try to bring you back to the map you were before. "
1951 . "Please report this to the dungeon master!", 2565 . "Please report this to the dungeon master!",
1952 cf::NDI_UNIQUE | cf::NDI_RED); 2566 cf::NDI_UNIQUE | cf::NDI_RED);
1953 2567
1954 warn "ERROR in enter_exit: $@"; 2568 warn "ERROR in enter_exit: $@";
1955 $self->leave_link; 2569 $self->leave_link;
1956 } 2570 }
1957 })->prio (1); 2571 })->prio (1);
1970 2584
1971sub cf::client::send_drawinfo { 2585sub cf::client::send_drawinfo {
1972 my ($self, $text, $flags) = @_; 2586 my ($self, $text, $flags) = @_;
1973 2587
1974 utf8::encode $text; 2588 utf8::encode $text;
1975 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2589 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976} 2590}
1977 2591
2592=item $client->send_msg ($channel, $msg, $color, [extra...])
2593
2594Send a drawinfo or msg packet to the client, formatting the msg for the
2595client if neccessary. C<$type> should be a string identifying the type of
2596the message, with C<log> being the default. If C<$color> is negative, suppress
2597the message unless the client supports the msg packet.
2598
2599=cut
2600
2601our %CHANNEL = (
2602 "c/identify" => {
2603 id => "identify",
2604 title => "Identify",
2605 reply => undef,
2606 tooltip => "Items recently identified",
2607 },
2608 "c/examine" => {
2609 id => "examine",
2610 title => "Examine",
2611 reply => undef,
2612 tooltip => "Signs and other items you examined",
2613 },
2614);
2615
2616sub cf::client::send_msg {
2617 my ($self, $channel, $msg, $color, @extra) = @_;
2618
2619 $msg = $self->pl->expand_cfpod ($msg);
2620
2621 $color &= cf::NDI_CLIENT_MASK; # just in case...
2622
2623 # check predefined channels, for the benefit of C
2624 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2625
2626 if (ref $channel) {
2627 # send meta info to client, if not yet sent
2628 unless (exists $self->{channel}{$channel->{id}}) {
2629 $self->{channel}{$channel->{id}} = $channel;
2630 $self->ext_msg (channel_info => $channel)
2631 if $self->can_msg;
2632 }
2633
2634 $channel = $channel->{id};
2635 }
2636
2637 return unless @extra || length $msg;
2638
2639 if ($self->can_msg) {
2640 # default colour, mask it out
2641 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2642 if $color & cf::NDI_DEF;
2643
2644 $self->send_packet ("msg " . $self->{json_coder}->encode (
2645 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2646 } else {
2647 if ($color >= 0) {
2648 # replace some tags by gcfclient-compatible ones
2649 for ($msg) {
2650 1 while
2651 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2652 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2653 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2654 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2655 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2656 }
2657
2658 $color &= cf::NDI_COLOR_MASK;
2659
2660 utf8::encode $msg;
2661
2662 if (0 && $msg =~ /\[/) {
2663 # COMMAND/INFO
2664 $self->send_packet ("drawextinfo $color 10 8 $msg")
2665 } else {
2666 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2667 $self->send_packet ("drawinfo $color $msg")
2668 }
2669 }
2670 }
2671}
2672
2673=item $client->ext_msg ($type, @msg)
2674
2675Sends an ext event to the client.
2676
2677=cut
2678
2679sub cf::client::ext_msg($$@) {
2680 my ($self, $type, @msg) = @_;
2681
2682 if ($self->extcmd == 2) {
2683 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2684 } elsif ($self->extcmd == 1) { # TODO: remove
2685 push @msg, msgtype => "event_$type";
2686 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2687 }
2688}
2689
2690=item $client->ext_reply ($msgid, @msg)
2691
2692Sends an ext reply to the client.
2693
2694=cut
2695
2696sub cf::client::ext_reply($$@) {
2697 my ($self, $id, @msg) = @_;
2698
2699 if ($self->extcmd == 2) {
2700 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2701 } elsif ($self->extcmd == 1) {
2702 #TODO: version 1, remove
2703 unshift @msg, msgtype => "reply", msgid => $id;
2704 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2705 }
2706}
1978 2707
1979=item $success = $client->query ($flags, "text", \&cb) 2708=item $success = $client->query ($flags, "text", \&cb)
1980 2709
1981Queues a query to the client, calling the given callback with 2710Queues a query to the client, calling the given callback with
1982the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2711the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2712C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984 2713
1985Queries can fail, so check the return code. Or don't, as queries will become 2714Queries can fail, so check the return code. Or don't, as queries will
1986reliable at some point in the future. 2715become reliable at some point in the future.
1987 2716
1988=cut 2717=cut
1989 2718
1990sub cf::client::query { 2719sub cf::client::query {
1991 my ($self, $flags, $text, $cb) = @_; 2720 my ($self, $flags, $text, $cb) = @_;
1999 utf8::encode $text; 2728 utf8::encode $text;
2000 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2729 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001 2730
2002 $self->send_packet ($self->{query_queue}[0][0]) 2731 $self->send_packet ($self->{query_queue}[0][0])
2003 if @{ $self->{query_queue} } == 1; 2732 if @{ $self->{query_queue} } == 1;
2733
2734 1
2004} 2735}
2005 2736
2006cf::client->attach ( 2737cf::client->attach (
2738 on_connect => sub {
2739 my ($ns) = @_;
2740
2741 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2742 },
2007 on_reply => sub { 2743 on_reply => sub {
2008 my ($ns, $msg) = @_; 2744 my ($ns, $msg) = @_;
2009 2745
2010 # this weird shuffling is so that direct followup queries 2746 # this weird shuffling is so that direct followup queries
2011 # get handled first 2747 # get handled first
2023 } else { 2759 } else {
2024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2760 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025 } 2761 }
2026 } 2762 }
2027 }, 2763 },
2764 on_exticmd => sub {
2765 my ($ns, $buf) = @_;
2766
2767 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2768
2769 if (ref $msg) {
2770 my ($type, $reply, @payload) =
2771 "ARRAY" eq ref $msg
2772 ? @$msg
2773 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2774
2775 my @reply;
2776
2777 if (my $cb = $EXTICMD{$type}) {
2778 @reply = $cb->($ns, @payload);
2779 }
2780
2781 $ns->ext_reply ($reply, @reply)
2782 if $reply;
2783
2784 } else {
2785 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2786 }
2787
2788 cf::override;
2789 },
2028); 2790);
2029 2791
2030=item $client->async (\&cb) 2792=item $client->async (\&cb)
2031 2793
2032Create a new coroutine, running the specified callback. The coroutine will 2794Create a new coroutine, running the specified callback. The coroutine will
2073our $safe = new Safe "safe"; 2835our $safe = new Safe "safe";
2074our $safe_hole = new Safe::Hole; 2836our $safe_hole = new Safe::Hole;
2075 2837
2076$SIG{FPE} = 'IGNORE'; 2838$SIG{FPE} = 'IGNORE';
2077 2839
2078$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2840$safe->permit_only (Opcode::opset qw(
2841 :base_core :base_mem :base_orig :base_math
2842 grepstart grepwhile mapstart mapwhile
2843 sort time
2844));
2079 2845
2080# here we export the classes and methods available to script code 2846# here we export the classes and methods available to script code
2081 2847
2082=pod 2848=pod
2083 2849
2084The following fucntions and emthods are available within a safe environment: 2850The following functions and methods are available within a safe environment:
2085 2851
2086 cf::object contr pay_amount pay_player map 2852 cf::object
2853 contr pay_amount pay_player map x y force_find force_add
2854 insert remove name archname title slaying race decrease_ob_nr
2855
2087 cf::object::player player 2856 cf::object::player
2088 cf::player peaceful 2857 player
2089 cf::map trigger 2858
2859 cf::player
2860 peaceful
2861
2862 cf::map
2863 trigger
2090 2864
2091=cut 2865=cut
2092 2866
2093for ( 2867for (
2094 ["cf::object" => qw(contr pay_amount pay_player map)], 2868 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869 insert remove inv name archname title slaying race
2870 decrease_ob_nr)],
2095 ["cf::object::player" => qw(player)], 2871 ["cf::object::player" => qw(player)],
2096 ["cf::player" => qw(peaceful)], 2872 ["cf::player" => qw(peaceful)],
2097 ["cf::map" => qw(trigger)], 2873 ["cf::map" => qw(trigger)],
2098) { 2874) {
2099 no strict 'refs'; 2875 no strict 'refs';
2170=back 2946=back
2171 2947
2172=cut 2948=cut
2173 2949
2174############################################################################# 2950#############################################################################
2175
2176=head2 EXTENSION DATABASE SUPPORT
2177
2178Crossfire maintains a very simple database for extension use. It can
2179currently store anything that can be serialised using Storable, which
2180excludes objects.
2181
2182The parameter C<$family> should best start with the name of the extension
2183using it, it should be unique.
2184
2185=over 4
2186
2187=item $value = cf::db_get $family => $key
2188
2189Returns a single value from the database.
2190
2191=item cf::db_put $family => $key => $value
2192
2193Stores the given C<$value> in the family.
2194
2195=cut
2196
2197our $DB;
2198
2199sub db_init {
2200 unless ($DB) {
2201 $DB = BDB::db_create $DB_ENV;
2202
2203 cf::sync_job {
2204 eval {
2205 $DB->set_flags (BDB::CHKSUM);
2206
2207 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209 cf::cleanup "db_open(db): $!" if $!;
2210 };
2211 cf::cleanup "db_open(db): $@" if $@;
2212 };
2213
2214 my $path = cf::localdir . "/database.pst";
2215 if (stat $path) {
2216 cf::sync_job {
2217 my $pst = Storable::retrieve $path;
2218
2219 cf::db_put (board => data => $pst->{board});
2220 cf::db_put (guildrules => data => $pst->{guildrules});
2221 cf::db_put (rent => balance => $pst->{rent}{balance});
2222 BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224 unlink $path;
2225 };
2226 }
2227 }
2228}
2229
2230sub db_get($$) {
2231 my $key = "$_[0]/$_[1]";
2232
2233 cf::sync_job {
2234 BDB::db_get $DB, undef, $key, my $data;
2235
2236 $! ? ()
2237 : Compress::LZF::sthaw $data
2238 }
2239}
2240
2241sub db_put($$$) {
2242 BDB::dbreq_pri 4;
2243 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244}
2245
2246#############################################################################
2247# the server's init and main functions 2951# the server's init and main functions
2248 2952
2249sub init_resources { 2953sub load_facedata($) {
2250 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2954 my ($path) = @_;
2955
2956 # HACK to clear player env face cache, we need some signal framework
2957 # for this (global event?)
2958 %ext::player_env::MUSIC_FACE_CACHE = ();
2959
2960 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2961
2962 warn "loading facedata from $path\n";
2963
2964 my $facedata;
2965 0 < aio_load $path, $facedata
2966 or die "$path: $!";
2967
2968 $facedata = Coro::Storable::thaw $facedata;
2969
2970 $facedata->{version} == 2
2971 or cf::cleanup "$path: version mismatch, cannot proceed.";
2972
2973 # patch in the exptable
2974 $facedata->{resource}{"res/exp_table"} = {
2975 type => FT_RSRC,
2976 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2977 };
2978 cf::cede_to_tick;
2979
2980 {
2981 my $faces = $facedata->{faceinfo};
2982
2983 while (my ($face, $info) = each %$faces) {
2984 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2985 cf::face::set_visibility $idx, $info->{visibility};
2986 cf::face::set_magicmap $idx, $info->{magicmap};
2987 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2988 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2989
2990 cf::cede_to_tick;
2991 }
2992
2993 while (my ($face, $info) = each %$faces) {
2994 next unless $info->{smooth};
2995 my $idx = cf::face::find $face
2996 or next;
2997 if (my $smooth = cf::face::find $info->{smooth}) {
2998 cf::face::set_smooth $idx, $smooth;
2999 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3000 } else {
3001 warn "smooth face '$info->{smooth}' not found for face '$face'";
3002 }
3003
3004 cf::cede_to_tick;
3005 }
3006 }
3007
3008 {
3009 my $anims = $facedata->{animinfo};
3010
3011 while (my ($anim, $info) = each %$anims) {
3012 cf::anim::set $anim, $info->{frames}, $info->{facings};
3013 cf::cede_to_tick;
3014 }
3015
3016 cf::anim::invalidate_all; # d'oh
3017 }
3018
3019 {
3020 # TODO: for gcfclient pleasure, we should give resources
3021 # that gcfclient doesn't grok a >10000 face index.
3022 my $res = $facedata->{resource};
3023
3024 my $soundconf = delete $res->{"res/sound.conf"};
3025
3026 while (my ($name, $info) = each %$res) {
3027 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3028 my $data;
3029
3030 if ($info->{type} & 1) {
3031 # prepend meta info
3032
3033 my $meta = $enc->encode ({
3034 name => $name,
3035 %{ $info->{meta} || {} },
3036 });
3037
3038 $data = pack "(w/a*)*", $meta, $info->{data};
3039 } else {
3040 $data = $info->{data};
3041 }
3042
3043 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3044 cf::face::set_type $idx, $info->{type};
3045
3046 cf::cede_to_tick;
3047 }
3048
3049 if ($soundconf) {
3050 $soundconf = $enc->decode (delete $soundconf->{data});
3051
3052 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3053 my $sound = $soundconf->{compat}[$_]
3054 or next;
3055
3056 my $face = cf::face::find "sound/$sound->[1]";
3057 cf::sound::set $sound->[0] => $face;
3058 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3059 }
3060
3061 while (my ($k, $v) = each %{$soundconf->{event}}) {
3062 my $face = cf::face::find "sound/$v";
3063 cf::sound::set $k => $face;
3064 }
3065 }
3066 }
3067
3068 1
3069}
3070
3071register_exticmd fx_want => sub {
3072 my ($ns, $want) = @_;
3073
3074 while (my ($k, $v) = each %$want) {
3075 $ns->fx_want ($k, $v);
3076 }
3077};
3078
3079sub reload_regions {
3080 # HACK to clear player env face cache, we need some signal framework
3081 # for this (global event?)
3082 %ext::player_env::MUSIC_FACE_CACHE = ();
3083
3084 load_resource_file "$MAPDIR/regions"
2251 or die "unable to load regions file\n";#d# 3085 or die "unable to load regions file\n";
2252}
2253 3086
2254sub cfg_load { 3087 for (cf::region::list) {
3088 $_->{match} = qr/$_->{match}/
3089 if exists $_->{match};
3090 }
3091}
3092
3093sub reload_facedata {
3094 load_facedata "$DATADIR/facedata"
3095 or die "unable to load facedata\n";
3096}
3097
3098sub reload_archetypes {
3099 load_resource_file "$DATADIR/archetypes"
3100 or die "unable to load archetypes\n";
3101 #d# NEED to laod twice to resolve forward references
3102 # this really needs to be done in an extra post-pass
3103 # (which needs to be synchronous, so solve it differently)
3104 load_resource_file "$DATADIR/archetypes"
3105 or die "unable to load archetypes\n";
3106}
3107
3108sub reload_treasures {
3109 load_resource_file "$DATADIR/treasures"
3110 or die "unable to load treasurelists\n";
3111}
3112
3113sub reload_resources {
3114 warn "reloading resource files...\n";
3115
3116 reload_regions;
3117 reload_facedata;
3118 #reload_archetypes;#d#
3119 reload_archetypes;
3120 reload_treasures;
3121
3122 warn "finished reloading resource files\n";
3123}
3124
3125sub init {
3126 reload_resources;
3127}
3128
3129sub reload_config {
2255 open my $fh, "<:utf8", cf::confdir . "/config" 3130 open my $fh, "<:utf8", "$CONFDIR/config"
2256 or return; 3131 or return;
2257 3132
2258 local $/; 3133 local $/;
2259 *CFG = YAML::Syck::Load <$fh>; 3134 *CFG = YAML::Syck::Load <$fh>;
2260 3135
2268 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3143 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2269 and die "WARNING: m(un)lockall failed: $!\n"; 3144 and die "WARNING: m(un)lockall failed: $!\n";
2270 }; 3145 };
2271 warn $@ if $@; 3146 warn $@ if $@;
2272 } 3147 }
2273}
2274
2275sub init {
2276 init_resources;
2277} 3148}
2278 3149
2279sub main { 3150sub main {
2280 # we must not ever block the main coroutine 3151 # we must not ever block the main coroutine
2281 local $Coro::idle = sub { 3152 local $Coro::idle = sub {
2283 (async { 3154 (async {
2284 Event::one_event; 3155 Event::one_event;
2285 })->prio (Coro::PRIO_MAX); 3156 })->prio (Coro::PRIO_MAX);
2286 }; 3157 };
2287 3158
2288 cfg_load; 3159 reload_config;
2289 db_init; 3160 db_init;
2290 load_extensions; 3161 load_extensions;
2291 3162
2292 $TICK_WATCHER->start; 3163 $TICK_WATCHER->start;
2293 Event::loop; 3164 Event::loop;
2309 }, 3180 },
2310 ); 3181 );
2311 } 3182 }
2312} 3183}
2313 3184
3185sub write_runtime {
3186 my $runtime = "$LOCALDIR/runtime";
3187
3188 # first touch the runtime file to show we are still running:
3189 # the fsync below can take a very very long time.
3190
3191 IO::AIO::aio_utime $runtime, undef, undef;
3192
3193 my $guard = cf::lock_acquire "write_runtime";
3194
3195 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3196 or return;
3197
3198 my $value = $cf::RUNTIME + 90 + 10;
3199 # 10 is the runtime save interval, for a monotonic clock
3200 # 60 allows for the watchdog to kill the server.
3201
3202 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3203 and return;
3204
3205 # always fsync - this file is important
3206 aio_fsync $fh
3207 and return;
3208
3209 # touch it again to show we are up-to-date
3210 aio_utime $fh, undef, undef;
3211
3212 close $fh
3213 or return;
3214
3215 aio_rename "$runtime~", $runtime
3216 and return;
3217
3218 warn "runtime file written.\n";
3219
3220 1
3221}
3222
2314sub emergency_save() { 3223sub emergency_save() {
2315 my $freeze_guard = cf::freeze_mainloop; 3224 my $freeze_guard = cf::freeze_mainloop;
2316 3225
2317 warn "enter emergency perl save\n"; 3226 warn "enter emergency perl save\n";
2318 3227
2349 3258
2350 warn Carp::longmess "post_cleanup backtrace" 3259 warn Carp::longmess "post_cleanup backtrace"
2351 if $make_core; 3260 if $make_core;
2352} 3261}
2353 3262
2354sub reload() { 3263sub do_reload_perl() {
2355 # can/must only be called in main 3264 # can/must only be called in main
2356 if ($Coro::current != $Coro::main) { 3265 if ($Coro::current != $Coro::main) {
2357 warn "can only reload from main coroutine"; 3266 warn "can only reload from main coroutine";
2358 return; 3267 return;
2359 } 3268 }
2384 Coro::cede; 3293 Coro::cede;
2385 last unless IO::AIO::nreqs || BDB::nreqs; 3294 last unless IO::AIO::nreqs || BDB::nreqs;
2386 warn "iterate..."; 3295 warn "iterate...";
2387 } 3296 }
2388 3297
3298 ++$RELOAD;
3299
2389 warn "cancelling all extension coros"; 3300 warn "cancelling all extension coros";
2390 $_->cancel for values %EXT_CORO; 3301 $_->cancel for values %EXT_CORO;
2391 %EXT_CORO = (); 3302 %EXT_CORO = ();
2392 3303
2393 warn "removing commands"; 3304 warn "removing commands";
2394 %COMMAND = (); 3305 %COMMAND = ();
2395 3306
2396 warn "removing ext commands"; 3307 warn "removing ext/exti commands";
2397 %EXTCMD = (); 3308 %EXTCMD = ();
3309 %EXTICMD = ();
2398 3310
2399 warn "unloading/nuking all extensions"; 3311 warn "unloading/nuking all extensions";
2400 for my $pkg (@EXTS) { 3312 for my $pkg (@EXTS) {
2401 warn "... unloading $pkg"; 3313 warn "... unloading $pkg";
2402 3314
2432 Symbol::delete_package "safe::$_" 3344 Symbol::delete_package "safe::$_"
2433 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3345 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434 3346
2435 warn "unloading cf.pm \"a bit\""; 3347 warn "unloading cf.pm \"a bit\"";
2436 delete $INC{"cf.pm"}; 3348 delete $INC{"cf.pm"};
3349 delete $INC{"cf/pod.pm"};
2437 3350
2438 # don't, removes xs symbols, too, 3351 # don't, removes xs symbols, too,
2439 # and global variables created in xs 3352 # and global variables created in xs
2440 #Symbol::delete_package __PACKAGE__; 3353 #Symbol::delete_package __PACKAGE__;
2441 3354
2444 warn "reloading cf.pm"; 3357 warn "reloading cf.pm";
2445 require cf; 3358 require cf;
2446 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3359 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447 3360
2448 warn "loading config and database again"; 3361 warn "loading config and database again";
2449 cf::cfg_load; 3362 cf::reload_config;
2450 3363
2451 warn "loading extensions"; 3364 warn "loading extensions";
2452 cf::load_extensions; 3365 cf::load_extensions;
2453 3366
2454 warn "reattaching attachments to objects/players"; 3367 warn "reattaching attachments to objects/players";
2455 _global_reattach; 3368 _global_reattach; # objects, sockets
2456 warn "reattaching attachments to maps"; 3369 warn "reattaching attachments to maps";
2457 reattach $_ for values %MAP; 3370 reattach $_ for values %MAP;
2458 3371 warn "reattaching attachments to players";
2459 warn "loading reloadable resources"; 3372 reattach $_ for values %PLAYER;
2460 init_resources;
2461 3373
2462 warn "leaving sync_job"; 3374 warn "leaving sync_job";
2463 3375
2464 1 3376 1
2465 } or do { 3377 } or do {
2471 warn "reloaded"; 3383 warn "reloaded";
2472}; 3384};
2473 3385
2474our $RELOAD_WATCHER; # used only during reload 3386our $RELOAD_WATCHER; # used only during reload
2475 3387
3388sub reload_perl() {
3389 # doing reload synchronously and two reloads happen back-to-back,
3390 # coro crashes during coro_state_free->destroy here.
3391
3392 $RELOAD_WATCHER ||= Event->timer (
3393 reentrant => 0,
3394 after => 0,
3395 data => WF_AUTOCANCEL,
3396 cb => sub {
3397 do_reload_perl;
3398 undef $RELOAD_WATCHER;
3399 },
3400 );
3401}
3402
2476register_command "reload" => sub { 3403register_command "reload" => sub {
2477 my ($who, $arg) = @_; 3404 my ($who, $arg) = @_;
2478 3405
2479 if ($who->flag (FLAG_WIZ)) { 3406 if ($who->flag (FLAG_WIZ)) {
2480 $who->message ("reloading server."); 3407 $who->message ("reloading server.");
2481 3408 async { reload_perl };
2482 # doing reload synchronously and two reloads happen back-to-back,
2483 # coro crashes during coro_state_free->destroy here.
2484
2485 $RELOAD_WATCHER ||= Event->timer (
2486 reentrant => 0,
2487 after => 0,
2488 data => WF_AUTOCANCEL,
2489 cb => sub {
2490 reload;
2491 undef $RELOAD_WATCHER;
2492 },
2493 );
2494 } 3409 }
2495}; 3410};
2496 3411
2497unshift @INC, $LIBDIR; 3412unshift @INC, $LIBDIR;
2498 3413
2499my $bug_warning = 0; 3414my $bug_warning = 0;
2500 3415
3416our @WAIT_FOR_TICK;
3417our @WAIT_FOR_TICK_BEGIN;
3418
3419sub wait_for_tick {
3420 return unless $TICK_WATCHER->is_active;
3421 return if $Coro::current == $Coro::main;
3422
3423 my $signal = new Coro::Signal;
3424 push @WAIT_FOR_TICK, $signal;
3425 $signal->wait;
3426}
3427
3428sub wait_for_tick_begin {
3429 return unless $TICK_WATCHER->is_active;
3430 return if $Coro::current == $Coro::main;
3431
3432 my $signal = new Coro::Signal;
3433 push @WAIT_FOR_TICK_BEGIN, $signal;
3434 $signal->wait;
3435}
3436
3437 my $min = 1e6;#d#
3438 my $avg = 10;
2501$TICK_WATCHER = Event->timer ( 3439$TICK_WATCHER = Event->timer (
2502 reentrant => 0, 3440 reentrant => 0,
2503 parked => 1, 3441 parked => 1,
2504 prio => 0, 3442 prio => 0,
2505 at => $NEXT_TICK || $TICK, 3443 at => $NEXT_TICK || $TICK,
2509 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3447 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510 unless ++$bug_warning > 10; 3448 unless ++$bug_warning > 10;
2511 return; 3449 return;
2512 } 3450 }
2513 3451
2514 $NOW = Event::time; 3452 $NOW = $tick_start = Event::time;
2515 3453
2516 cf::server_tick; # one server iteration 3454 cf::server_tick; # one server iteration
3455
3456 0 && sync_job {#d#
3457 for(1..10) {
3458 my $t = Event::time;
3459 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3460 or die;
3461
3462 $map->width (50);
3463 $map->height (50);
3464 $map->alloc;
3465 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3466 my $t = Event::time - $t;
3467
3468 #next unless $t < 0.0013;#d#
3469 if ($t < $min) {
3470 $min = $t;
3471 }
3472 $avg = $avg * 0.99 + $t * 0.01;
3473 }
3474 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3475 exit 0;
3476 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3477 };
3478
2517 $RUNTIME += $TICK; 3479 $RUNTIME += $TICK;
2518 $NEXT_TICK += $TICK; 3480 $NEXT_TICK += $TICK;
2519 3481
2520 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3482 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521 $NEXT_RUNTIME_WRITE = $NOW + 10; 3483 $NEXT_RUNTIME_WRITE = $NOW + 10;
2523 write_runtime 3485 write_runtime
2524 or warn "ERROR: unable to write runtime file: $!"; 3486 or warn "ERROR: unable to write runtime file: $!";
2525 }; 3487 };
2526 } 3488 }
2527 3489
2528 $WAIT_FOR_TICK->broadcast;
2529 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531# my $AFTER = Event::time; 3490# my $AFTER = Event::time;
2532# warn $AFTER - $NOW;#d# 3491# warn $AFTER - $NOW;#d#
2533 3492
3493 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3494 $sig->send;
3495 }
3496 while (my $sig = shift @WAIT_FOR_TICK) {
3497 $sig->send;
3498 }
3499
3500 $NOW = Event::time;
3501
2534 # if we are delayed by four ticks or more, skip them all 3502 # if we are delayed by four ticks or more, skip them all
2535 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3503 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536 3504
2537 $TICK_WATCHER->at ($NEXT_TICK); 3505 $TICK_WATCHER->at ($NEXT_TICK);
2538 $TICK_WATCHER->start; 3506 $TICK_WATCHER->start;
3507
3508 $LOAD = ($NOW - $tick_start) / $TICK;
3509 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3510
3511 _post_tick;
3512
3513
2539 }, 3514 },
2540); 3515);
2541 3516
2542{ 3517{
2543 BDB::max_poll_time $TICK * 0.1; 3518 BDB::max_poll_time $TICK * 0.1;
2571 3546
2572 cf::sync_job { 3547 cf::sync_job {
2573 eval { 3548 eval {
2574 BDB::db_env_open 3549 BDB::db_env_open
2575 $DB_ENV, 3550 $DB_ENV,
2576 $BDB_ENV_DIR, 3551 $BDBDIR,
2577 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3552 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3553 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579 0666; 3554 0666;
2580 3555
2581 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3556 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582 3557
2583 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3558 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584 $DB_ENV->set_lk_detect; 3559 $DB_ENV->set_lk_detect;
2585 }; 3560 };
2586 3561
2602 prio => 6, 3577 prio => 6,
2603 cb => \&IO::AIO::poll_cb, 3578 cb => \&IO::AIO::poll_cb,
2604 ); 3579 );
2605} 3580}
2606 3581
3582my $_log_backtrace;
3583
3584sub _log_backtrace {
3585 my ($msg, @addr) = @_;
3586
3587 $msg =~ s/\n//;
3588
3589 # limit the # of concurrent backtraces
3590 if ($_log_backtrace < 2) {
3591 ++$_log_backtrace;
3592 async {
3593 my @bt = fork_call {
3594 @addr = map { sprintf "%x", $_ } @addr;
3595 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3596 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3597 or die "addr2line: $!";
3598
3599 my @funcs;
3600 my @res = <$fh>;
3601 chomp for @res;
3602 while (@res) {
3603 my ($func, $line) = splice @res, 0, 2, ();
3604 push @funcs, "[$func] $line";
3605 }
3606
3607 @funcs
3608 };
3609
3610 LOG llevInfo, "[ABT] $msg\n";
3611 LOG llevInfo, "[ABT] $_\n" for @bt;
3612 --$_log_backtrace;
3613 };
3614 } else {
3615 LOG llevInfo, "[ABT] $msg\n";
3616 LOG llevInfo, "[ABT] [suppressed]\n";
3617 }
3618}
3619
3620# load additional modules
3621use cf::pod;
3622
2607END { cf::emergency_save } 3623END { cf::emergency_save }
2608 3624
26091 36251
2610 3626

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines