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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use EV 1.86;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
13use Storable ();
12 14
13use Coro 3.3 (); 15use Coro 4.32 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::EV;
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::BDB;
24use Coro::Storable;
25use Coro::Util ();
19 26
27use JSON::XS 2.01 ();
28use BDB ();
20use Data::Dumper; 29use Data::Dumper;
21use Digest::MD5; 30use Digest::MD5;
22use Fcntl; 31use Fcntl;
32use YAML ();
23use IO::AIO 2.32 (); 33use IO::AIO 2.51 ();
24use YAML::Syck ();
25use Time::HiRes; 34use Time::HiRes;
35use Compress::LZF;
36use Digest::MD5 ();
26 37
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 38# configure various modules to our taste
39#
40$Storable::canonical = 1; # reduce rsync transfers
41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43
44$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28 45
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 46sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 47
36our %COMMAND = (); 48our %COMMAND = ();
37our %COMMAND_TIME = (); 49our %COMMAND_TIME = ();
50
51our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 52our %EXTCMD = ();
53our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps
39 56
57our $RELOAD; # number of reloads so far
40our @EVENT; 58our @EVENT;
41our $LIBDIR = datadir . "/ext";
42 59
43our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71our %RESOURCE;
72
73our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44our $TICK_WATCHER; 74our $TICK_WATCHER;
75our $AIO_POLL_WATCHER;
76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 77our $NEXT_TICK;
46our $NOW; 78our $USE_FSYNC = 1; # use fsync to write maps - default off
79
80our $BDB_POLL_WATCHER;
81our $BDB_DEADLOCK_WATCHER;
82our $BDB_CHECKPOINT_WATCHER;
83our $BDB_TRICKLE_WATCHER;
84our $DB_ENV;
47 85
48our %CFG; 86our %CFG;
49 87
50our $UPTIME; $UPTIME ||= time; 88our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 89our $RUNTIME;
90our $NOW;
52 91
53our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
54our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
55our $LINK_MAP; # the special {link} map 94our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 95
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 96# used to convert map paths into valid unix filenames by replacing / by ∕
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
61 102
62binmode STDOUT; 103binmode STDOUT;
63binmode STDERR; 104binmode STDERR;
64 105
65# read virtual server time, if available 106# read virtual server time, if available
66unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
68 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
69 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
70} 111}
71 112
72mkdir cf::localdir; 113mkdir $_
73mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS;
77 115
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
117
118sub cf::map::normalise;
81 119
82############################################################################# 120#############################################################################
83 121
84=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
85 123
… …
92=item $cf::RUNTIME 130=item $cf::RUNTIME
93 131
94The 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
95every server tick. 133every server tick.
96 134
97=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
98 138
99The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
100be 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.
101 143
102=item $cf::NOW 144=item $cf::NOW
103 145
104The time of the last (current) server tick. 146The time of the last (current) server tick.
105 147
106=item $cf::TICK 148=item $cf::TICK
107 149
108The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
109 151
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.
161
110=item %cf::CFG 162=item %cf::CFG
111 163
112Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113from wherever your confdir points to. 165from wherever your confdir points to.
114 166
115=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
116 168
117These 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
118or 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
119processing 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.
120window 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.
121 178
122=back 179=back
123 180
124=cut 181=cut
125 182
126BEGIN { 183BEGIN {
127 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
128 my $msg = join "", @_; 185 my $msg = join "", @_;
129 utf8::encode $msg;
130 186
131 $msg .= "\n" 187 $msg .= "\n"
132 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
133 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
134 LOG llevError, $msg; 192 LOG llevError, $msg;
135 }; 193 };
136} 194}
195
196$Coro::State::DIEHOOK = sub {
197 return unless $^S eq 0; # "eq", not "=="
198
199 if ($Coro::current == $Coro::main) {#d#
200 warn "DIEHOOK called in main context, Coro bug?\n";#d#
201 return;#d#
202 }#d#
203
204 # kill coroutine otherwise
205 warn Carp::longmess $_[0];
206 Coro::terminate
207};
208
209$SIG{__DIE__} = sub { }; #d#?
137 210
138@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 211@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 212@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 213@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 214@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 215@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
216@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 217@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144 218
145# we bless all objects into (empty) derived classes to force a method lookup 219# we bless all objects into (empty) derived classes to force a method lookup
146# within the Safe compartment. 220# within the Safe compartment.
147for my $pkg (qw( 221for my $pkg (qw(
148 cf::global cf::attachable 222 cf::global cf::attachable
… …
153)) { 227)) {
154 no strict 'refs'; 228 no strict 'refs';
155 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 229 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156} 230}
157 231
158$Event::DIED = sub { 232$EV::DIED = sub {
159 warn "error in event callback: @_"; 233 warn "error in event callback: @_";
160}; 234};
161 235
162my %ext_pkg; 236#############################################################################
163my @exts;
164my @hook;
165 237
166=head2 UTILITY FUNCTIONS 238=head2 UTILITY FUNCTIONS
167 239
168=over 4 240=over 4
169 241
… …
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 260 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 261 $d
190 } || "[unable to dump $_[0]: '$@']"; 262 } || "[unable to dump $_[0]: '$@']";
191} 263}
192 264
193use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195=item $ref = cf::from_json $json 265=item $ref = cf::decode_json $json
196 266
197Converts a JSON string into the corresponding perl data structure. 267Converts a JSON string into the corresponding perl data structure.
198 268
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 269=item $json = cf::encode_json $ref
207 270
208Converts a perl data structure into its JSON representation. 271Converts a perl data structure into its JSON representation.
209 272
210=cut 273=cut
211 274
212sub to_json($) { 275our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 276
214 JSON::Syck::Dump $_[0] 277sub encode_json($) { $json_coder->encode ($_[0]) }
215} 278sub decode_json($) { $json_coder->decode ($_[0]) }
216 279
217=item cf::lock_wait $string 280=item cf::lock_wait $string
218 281
219Wait until the given lock is available. See cf::lock_acquire. 282Wait until the given lock is available. See cf::lock_acquire.
220 283
… …
223Wait until the given lock is available and then acquires it and returns 286Wait until the given lock is available and then acquires it and returns
224a Coro::guard object. If the guard object gets destroyed (goes out of scope, 287a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225for example when the coroutine gets canceled), the lock is automatically 288for example when the coroutine gets canceled), the lock is automatically
226returned. 289returned.
227 290
291Locks are *not* recursive, locking from the same coro twice results in a
292deadlocked coro.
293
228Lock names should begin with a unique identifier (for example, cf::map::find 294Lock names should begin with a unique identifier (for example, cf::map::find
229uses map_find and cf::map::load uses map_load). 295uses map_find and cf::map::load uses map_load).
230 296
297=item $locked = cf::lock_active $string
298
299Return true if the lock is currently active, i.e. somebody has locked it.
300
231=cut 301=cut
232 302
233our %LOCK; 303our %LOCK;
304our %LOCKER;#d#
234 305
235sub lock_wait($) { 306sub lock_wait($) {
236 my ($key) = @_; 307 my ($key) = @_;
308
309 if ($LOCKER{$key} == $Coro::current) {#d#
310 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311 return;#d#
312 }#d#
237 313
238 # wait for lock, if any 314 # wait for lock, if any
239 while ($LOCK{$key}) { 315 while ($LOCK{$key}) {
240 push @{ $LOCK{$key} }, $Coro::current; 316 push @{ $LOCK{$key} }, $Coro::current;
241 Coro::schedule; 317 Coro::schedule;
… …
247 323
248 # wait, to be sure we are not locked 324 # wait, to be sure we are not locked
249 lock_wait $key; 325 lock_wait $key;
250 326
251 $LOCK{$key} = []; 327 $LOCK{$key} = [];
328 $LOCKER{$key} = $Coro::current;#d#
252 329
253 Coro::guard { 330 Coro::guard {
331 delete $LOCKER{$key};#d#
254 # wake up all waiters, to be on the safe side 332 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} }; 333 $_->ready for @{ delete $LOCK{$key} };
256 } 334 }
257} 335}
258 336
337sub lock_active($) {
338 my ($key) = @_;
339
340 ! ! $LOCK{$key}
341}
342
259sub freeze_mainloop { 343sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 344 return unless $TICK_WATCHER->is_active;
261 345
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 346 my $guard = Coro::guard {
347 $TICK_WATCHER->start;
348 };
263 $TICK_WATCHER->stop; 349 $TICK_WATCHER->stop;
264 $guard 350 $guard
351}
352
353=item cf::periodic $interval, $cb
354
355Like EV::periodic, but randomly selects a starting point so that the actions
356get spread over timer.
357
358=cut
359
360sub periodic($$) {
361 my ($interval, $cb) = @_;
362
363 my $start = rand List::Util::min 180, $interval;
364
365 EV::periodic $start, $interval, 0, $cb
366}
367
368=item cf::get_slot $time[, $priority[, $name]]
369
370Allocate $time seconds of blocking CPU time at priority C<$priority>:
371This call blocks and returns only when you have at least C<$time> seconds
372of cpu time till the next tick. The slot is only valid till the next cede.
373
374The optional C<$name> can be used to identify the job to run. It might be
375used for statistical purposes and should identify the same time-class.
376
377Useful for short background jobs.
378
379=cut
380
381our @SLOT_QUEUE;
382our $SLOT_QUEUE;
383
384$SLOT_QUEUE->cancel if $SLOT_QUEUE;
385$SLOT_QUEUE = Coro::async {
386 $Coro::current->desc ("timeslot manager");
387
388 my $signal = new Coro::Signal;
389
390 while () {
391 next_job:
392 my $avail = cf::till_tick;
393 if ($avail > 0.01) {
394 for (0 .. $#SLOT_QUEUE) {
395 if ($SLOT_QUEUE[$_][0] < $avail) {
396 my $job = splice @SLOT_QUEUE, $_, 1, ();
397 $job->[2]->send;
398 Coro::cede;
399 goto next_job;
400 }
401 }
402 }
403
404 if (@SLOT_QUEUE) {
405 # we do not use wait_for_tick() as it returns immediately when tick is inactive
406 push @cf::WAIT_FOR_TICK, $signal;
407 $signal->wait;
408 } else {
409 Coro::schedule;
410 }
411 }
412};
413
414sub get_slot($;$$) {
415 my ($time, $pri, $name) = @_;
416
417 $time = $TICK * .6 if $time > $TICK * .6;
418 my $sig = new Coro::Signal;
419
420 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
421 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
422 $SLOT_QUEUE->ready;
423 $sig->wait;
265} 424}
266 425
267=item cf::async { BLOCK } 426=item cf::async { BLOCK }
268 427
269Currently the same as Coro::async_pool, meaning you cannot use 428Currently the same as Coro::async_pool, meaning you cannot use
… …
274 433
275BEGIN { *async = \&Coro::async_pool } 434BEGIN { *async = \&Coro::async_pool }
276 435
277=item cf::sync_job { BLOCK } 436=item cf::sync_job { BLOCK }
278 437
279The design of crossfire+ requires that the main coro ($Coro::main) is 438The design of Deliantra requires that the main coroutine ($Coro::main)
280always able to handle events or runnable, as crossfire+ is only partly 439is always able to handle events or runnable, as Deliantra is only
281reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 440partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
441acceptable.
282 442
283If it must be done, put the blocking parts into C<sync_job>. This will run 443If it must be done, put the blocking parts into C<sync_job>. This will run
284the given BLOCK in another coroutine while waiting for the result. The 444the given BLOCK in another coroutine while waiting for the result. The
285server will be frozen during this time, so the block should either finish 445server will be frozen during this time, so the block should either finish
286fast or be very important. 446fast or be very important.
… …
289 449
290sub sync_job(&) { 450sub sync_job(&) {
291 my ($job) = @_; 451 my ($job) = @_;
292 452
293 if ($Coro::current == $Coro::main) { 453 if ($Coro::current == $Coro::main) {
454 my $time = EV::time;
455
294 # this is the main coro, too bad, we have to block 456 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 457 # till the operation succeeds, freezing the server :/
296 458
459 LOG llevError, Carp::longmess "sync job";#d#
460
297 # TODO: use suspend/resume instead 461 # TODO: use suspend/resume instead
298 # (but this is cancel-safe) 462 # (but this is cancel-safe)
299 my $freeze_guard = freeze_mainloop; 463 my $freeze_guard = freeze_mainloop;
300 464
301 my $busy = 1; 465 my $busy = 1;
302 my @res; 466 my @res;
303 467
304 (async { 468 (async {
469 $Coro::current->desc ("sync job coro");
305 @res = eval { $job->() }; 470 @res = eval { $job->() };
306 warn $@ if $@; 471 warn $@ if $@;
307 undef $busy; 472 undef $busy;
308 })->prio (Coro::PRIO_MAX); 473 })->prio (Coro::PRIO_MAX);
309 474
310 while ($busy) { 475 while ($busy) {
311 Coro::cede or Event::one_event; 476 if (Coro::nready) {
477 Coro::cede_notself;
478 } else {
479 EV::loop EV::LOOP_ONESHOT;
312 } 480 }
481 }
482
483 $time = EV::time - $time;
484
485 LOG llevError | logBacktrace, Carp::longmess "long sync job"
486 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488 $tick_start += $time; # do not account sync jobs to server load
313 489
314 wantarray ? @res : $res[0] 490 wantarray ? @res : $res[0]
315 } else { 491 } else {
316 # we are in another coroutine, how wonderful, everything just works 492 # we are in another coroutine, how wonderful, everything just works
317 493
… …
319 } 495 }
320} 496}
321 497
322=item $coro = cf::async_ext { BLOCK } 498=item $coro = cf::async_ext { BLOCK }
323 499
324Like async, but this coro is automcatially being canceled when the 500Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 501extension calling this is being unloaded.
326 502
327=cut 503=cut
328 504
329sub async_ext(&) { 505sub async_ext(&) {
… …
337 $EXT_CORO{$coro+0} = $coro; 513 $EXT_CORO{$coro+0} = $coro;
338 514
339 $coro 515 $coro
340} 516}
341 517
342sub write_runtime { 518=item fork_call { }, $args
343 my $runtime = cf::localdir . "/runtime";
344 519
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 520Executes the given code block with the given arguments in a seperate
346 or return; 521process, returning the results. Everything must be serialisable with
522Coro::Storable. May, of course, block. Note that the executed sub may
523never block itself or use any form of event handling.
347 524
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 525=cut
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return;
351 526
352 aio_fsync $fh 527sub fork_call(&@) {
353 and return; 528 my ($cb, @args) = @_;
354 529
355 close $fh 530 # we seemingly have to make a local copy of the whole thing,
356 or return; 531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
357 533
358 aio_rename "$runtime~", $runtime 534 my @res = Coro::Util::fork_eval {
359 and return; 535 reset_signals;
536 &$cb
537 }, @args;
360 538
539 wantarray ? @res : $res[-1]
540}
541
542=item $value = cf::db_get $family => $key
543
544Returns a single value from the environment database.
545
546=item cf::db_put $family => $key => $value
547
548Stores the given C<$value> in the family. It can currently store binary
549data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
550
551=item $db = cf::db_table "name"
552
553Create and/or open a new database table. The string must not be "db" and must be unique
554within each server.
555
556=cut
557
558sub db_table($) {
559 my ($name) = @_;
560 my $db = BDB::db_create $DB_ENV;
561
562 eval {
563 $db->set_flags (BDB::CHKSUM);
564
565 utf8::encode $name;
566 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
567 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
568 cf::cleanup "db_open(db): $!" if $!;
569 };
570 cf::cleanup "db_open(db): $@" if $@;
571
572 $db
573}
574
575our $DB;
576
577sub db_init {
578 cf::sync_job {
579 $DB ||= db_table "db";
580 };
581}
582
583sub db_get($$) {
584 my $key = "$_[0]/$_[1]";
585
586 cf::sync_job {
587 BDB::db_get $DB, undef, $key, my $data;
588
589 $! ? ()
590 : $data
361 1 591 }
592}
593
594sub db_put($$$) {
595 BDB::dbreq_pri 4;
596 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
597}
598
599=item cf::cache $id => [$paths...], $processversion => $process
600
601Generic caching function that returns the value of the resource $id,
602caching and regenerating as required.
603
604This function can block.
605
606=cut
607
608sub cache {
609 my ($id, $src, $processversion, $process) = @_;
610
611 my $meta =
612 join "\x00",
613 $processversion,
614 map {
615 aio_stat $_
616 and Carp::croak "$_: $!";
617
618 ($_, (stat _)[7,9])
619 } @$src;
620
621 my $dbmeta = db_get cache => "$id/meta";
622 if ($dbmeta ne $meta) {
623 # changed, we may need to process
624
625 my @data;
626 my $md5;
627
628 for (0 .. $#$src) {
629 0 <= aio_load $src->[$_], $data[$_]
630 or Carp::croak "$src->[$_]: $!";
631 }
632
633 # if processing is expensive, check
634 # checksum first
635 if (1) {
636 $md5 =
637 join "\x00",
638 $processversion,
639 map {
640 cf::cede_to_tick;
641 ($src->[$_], Digest::MD5::md5_hex $data[$_])
642 } 0.. $#$src;
643
644
645 my $dbmd5 = db_get cache => "$id/md5";
646 if ($dbmd5 eq $md5) {
647 db_put cache => "$id/meta", $meta;
648
649 return db_get cache => "$id/data";
650 }
651 }
652
653 my $t1 = Time::HiRes::time;
654 my $data = $process->(\@data);
655 my $t2 = Time::HiRes::time;
656
657 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
658
659 db_put cache => "$id/data", $data;
660 db_put cache => "$id/md5" , $md5;
661 db_put cache => "$id/meta", $meta;
662
663 return $data;
664 }
665
666 db_get cache => "$id/data"
667}
668
669=item cf::datalog type => key => value, ...
670
671Log a datalog packet of the given type with the given key-value pairs.
672
673=cut
674
675sub datalog($@) {
676 my ($type, %kv) = @_;
677 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362} 678}
363 679
364=back 680=back
365 681
366=cut 682=cut
367
368#############################################################################
369
370package cf::path;
371
372# used to convert map paths into valid unix filenames by repalcing / by ∕
373our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375sub new {
376 my ($class, $path, $base) = @_;
377
378 $path = $path->as_string if ref $path;
379
380 my $self = bless { }, $class;
381
382 # {... are special paths that are not touched
383 # ?xxx/... are special absolute paths
384 # ?random/... random maps
385 # /! non-realised random map exit
386 # /... normal maps
387 # ~/... per-player maps without a specific player (DO NOT USE)
388 # ~user/... per-player map of a specific user
389
390 if ($path =~ /^{/) {
391 # fine as it is
392 } elsif ($path =~ s{^\?random/}{}) {
393 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394 $self->{random} = cf::from_json $data;
395 } else {
396 if ($path =~ s{^~([^/]+)?}{}) {
397 $self->{user_rel} = 1;
398
399 if (defined $1) {
400 $self->{user} = $1;
401 } elsif ($base =~ m{^~([^/]+)/}) {
402 $self->{user} = $1;
403 } else {
404 warn "cannot resolve user-relative path without user <$path,$base>\n";
405 }
406 } elsif ($path =~ /^\//) {
407 # already absolute
408 } else {
409 $base =~ s{[^/]+/?$}{};
410 return $class->new ("$base/$path");
411 }
412
413 for ($path) {
414 redo if s{/\.?/}{/};
415 redo if s{/[^/]+/\.\./}{/};
416 }
417 }
418
419 $self->{path} = $path;
420
421 $self
422}
423
424# the name / primary key / in-game path
425sub as_string {
426 my ($self) = @_;
427
428 $self->{user_rel} ? "~$self->{user}$self->{path}"
429 : $self->{random} ? "?random/$self->{path}"
430 : $self->{path}
431}
432
433# the displayed name, this is a one way mapping
434sub visible_name {
435 my ($self) = @_;
436
437# if (my $rmp = $self->{random}) {
438# # todo: be more intelligent about this
439# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440# } else {
441 $self->as_string
442# }
443}
444
445# escape the /'s in the path
446sub _escaped_path {
447 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448 $path
449}
450
451# the original (read-only) location
452sub load_path {
453 my ($self) = @_;
454
455 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456}
457
458# the temporary/swap location
459sub save_path {
460 my ($self) = @_;
461
462 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465}
466
467# the unique path, might be eq to save_path
468sub uniq_path {
469 my ($self) = @_;
470
471 $self->{user_rel} || $self->{random}
472 ? undef
473 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474}
475
476# return random map parameters, or undef
477sub random_map_params {
478 my ($self) = @_;
479
480 $self->{random}
481}
482
483# this is somewhat ugly, but style maps do need special treatment
484sub is_style_map {
485 $_[0]{path} =~ m{^/styles/}
486}
487
488package cf;
489 683
490############################################################################# 684#############################################################################
491 685
492=head2 ATTACHABLE OBJECTS 686=head2 ATTACHABLE OBJECTS
493 687
… …
495attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
496to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
497 691
498In the following description, CLASS can be any of C<global>, C<object> 692In the following description, CLASS can be any of C<global>, C<object>
499C<player>, C<client> or C<map> (i.e. the attachable objects in 693C<player>, C<client> or C<map> (i.e. the attachable objects in
500crossfire+). 694Deliantra).
501 695
502=over 4 696=over 4
503 697
504=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
505 699
… …
619our @CB_TYPE = (); # registry for type (cf-object class) based events 813our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 814our @CB_MAP = ();
621 815
622my %attachment; 816my %attachment;
623 817
818sub cf::attachable::thawer_merge {
819 # simply override everything except _meta
820 local $_[0]{_meta};
821 %{$_[0]} = %{$_[1]};
822}
823
624sub _attach_cb($$$$) { 824sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 825 my ($registry, $event, $prio, $cb) = @_;
626 826
627 use sort 'stable'; 827 use sort 'stable';
628 828
… …
662 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
663 863
664 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
665 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
666 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
667 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668 868
669 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
670 my $pkg = shift @arg; 870 my $pkg = shift @arg;
671 871
672 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
… …
701 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
702 } 902 }
703 903
704 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
705 } else { 905 } else {
706 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
707 } 907 }
708 908
709 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
710} 910}
711 911
… …
713 if (ref $_[0]) { 913 if (ref $_[0]) {
714 _object_attach @_; 914 _object_attach @_;
715 } else { 915 } else {
716 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
717 } 917 }
918 _recalc_want;
718}; 919};
719 920
720# all those should be optimised 921# all those should be optimised
721sub cf::attachable::detach { 922sub cf::attachable::detach {
722 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
… …
725 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
726 reattach ($obj); 927 reattach ($obj);
727 } else { 928 } else {
728 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
729 } 930 }
931 _recalc_want;
730}; 932};
731 933
732sub cf::attachable::attached { 934sub cf::attachable::attached {
733 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
734 936
… …
749 "; 951 ";
750 die if $@; 952 die if $@;
751} 953}
752 954
753our $override; 955our $override;
754our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 956our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755 957
756sub override { 958sub override {
757 $override = 1; 959 $override = 1;
758 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
759} 961}
760 962
761sub do_invoke { 963sub do_invoke {
762 my $event = shift; 964 my $event = shift;
763 my $callbacks = shift; 965 my $callbacks = shift;
764 966
765 @invoke_results = (); 967 @INVOKE_RESULTS = ();
766 968
767 local $override; 969 local $override;
768 970
769 for (@$callbacks) { 971 for (@$callbacks) {
770 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
… …
779 } 981 }
780 982
781 0 983 0
782} 984}
783 985
784=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
785 987
786=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
787 989
788Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
789 991
790This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 992This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791removed in future versions), and there is no public API to access override 993removed in future versions), and there is no public API to access override
792results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793 995
794=back 996=back
795 997
796=cut 998=cut
797 999
798############################################################################# 1000#############################################################################
799# object support 1001# object support
1002
1003sub _object_equal($$);
1004sub _object_equal($$) {
1005 my ($a, $b) = @_;
1006
1007 return 0 unless (ref $a) eq (ref $b);
1008
1009 if ("HASH" eq ref $a) {
1010 my @ka = keys %$a;
1011 my @kb = keys %$b;
1012
1013 return 0 if @ka != @kb;
1014
1015 for (0 .. $#ka) {
1016 return 0 unless $ka[$_] eq $kb[$_];
1017 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1018 }
1019
1020 } elsif ("ARRAY" eq ref $a) {
1021
1022 return 0 if @$a != @$b;
1023
1024 for (0 .. $#$a) {
1025 return 0 unless _object_equal $a->[$_], $b->[$_];
1026 }
1027
1028 } elsif ($a ne $b) {
1029 return 0;
1030 }
1031
1032 1
1033}
1034
1035our $SLOW_MERGES;#d#
1036sub _can_merge {
1037 my ($ob1, $ob2) = @_;
1038
1039 ++$SLOW_MERGES;#d#
1040
1041 # we do the slow way here
1042 return _object_equal $ob1, $ob2
1043}
800 1044
801sub reattach { 1045sub reattach {
802 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 1047 my ($obj) = @_;
1048
1049 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 1050
805 my $registry = $obj->registry; 1051 my $registry = $obj->registry;
806 1052
807 @$registry = (); 1053 @$registry = ();
808 1054
… …
823cf::attachable->attach ( 1069cf::attachable->attach (
824 prio => -1000000, 1070 prio => -1000000,
825 on_instantiate => sub { 1071 on_instantiate => sub {
826 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
827 1073
828 $data = from_json $data; 1074 $data = decode_json $data;
829 1075
830 for (@$data) { 1076 for (@$data) {
831 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
832 1078
833 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
… …
849sub object_freezer_save { 1095sub object_freezer_save {
850 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
851 1097
852 sync_job { 1098 sync_job {
853 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
854 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
855 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
856 1103
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 1107 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 1108 close $fh;
862 1109
863 if (@$objs) { 1110 if (@$objs) {
864 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1111 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 1115 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 1116 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
871 } 1118 }
872 } else { 1119 } else {
873 aio_unlink "$filename.pst"; 1120 aio_unlink "$filename.pst";
… …
879 } 1126 }
880 } else { 1127 } else {
881 aio_unlink $filename; 1128 aio_unlink $filename;
882 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
883 } 1130 }
884 } 1131 };
885} 1132}
886 1133
887sub object_freezer_as_string { 1134sub object_freezer_as_string {
888 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
889 1136
… …
901 or return; 1148 or return;
902 1149
903 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
904 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
905 or return; 1152 or return;
1153
906 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
907 } 1156 }
908 1157
1158 utf8::decode (my $decname = $filename);
909 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
910 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
911 return ($data, $av); 1162 ($data, $av)
912} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
913 1170
914############################################################################# 1171#############################################################################
915# command handling &c 1172# command handling &c
916 1173
917=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
… …
930 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
931} 1188}
932 1189
933=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
934 1191
935Register a callbackf ro execution when the client sends an extcmd packet. 1192Register a callback for execution when the client sends an (synchronous)
1193extcmd packet. Ext commands will be processed in the order they are
1194received by the server, like other user commands. The first argument is
1195the logged-in player. Ext commands can only be processed after a player
1196has logged in successfully.
936 1197
937If the callback returns something, it is sent back as if reply was being 1198If the callback returns something, it is sent back as if reply was being
938called. 1199called.
939 1200
1201=item cf::register_exticmd $name => \&callback($ns,$packet);
1202
1203Register a callback for execution when the client sends an (asynchronous)
1204exticmd packet. Exti commands are processed by the server as soon as they
1205are received, i.e. out of order w.r.t. other commands. The first argument
1206is a client socket. Exti commands can be received anytime, even before
1207log-in.
1208
1209If the callback returns something, it is sent back as if reply was being
1210called.
1211
940=cut 1212=cut
941 1213
942sub register_extcmd { 1214sub register_extcmd {
943 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
944 1216
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
949} 1224}
950 1225
951cf::player->attach ( 1226cf::player->attach (
952 on_command => sub { 1227 on_command => sub {
953 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
… …
962 cf::override; 1237 cf::override;
963 }, 1238 },
964 on_extcmd => sub { 1239 on_extcmd => sub {
965 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
966 1241
967 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968 1243
969 if (ref $msg) { 1244 if (ref $msg) {
1245 my ($type, $reply, @payload) =
1246 "ARRAY" eq ref $msg
1247 ? @$msg
1248 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1249
1250 my @reply;
1251
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
972 $pl->ext_reply ($msg->{msgid}, %reply);
973 }
974 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
975 } else { 1259 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977 } 1261 }
978 1262
979 cf::override; 1263 cf::override;
980 }, 1264 },
981); 1265);
982 1266
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension {
990 my ($path) = @_;
991
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1;
994 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg";
997
998 warn "loading '$path' into '$pkg'\n";
999
1000 open my $fh, "<:utf8", $path
1001 or die "$path: $!";
1002
1003 my $source =
1004 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> })
1007 . "\n};\n1";
1008
1009 eval $source
1010 or die $@ ? "$path: $@\n"
1011 : "extension disabled.\n";
1012
1013 push @exts, $pkg;
1014 $ext_pkg{$base} = $pkg;
1015
1016# no strict 'refs';
1017# @{"$pkg\::ISA"} = ext::;
1018
1019 register $base, $pkg;
1020}
1021
1022sub unload_extension {
1023 my ($pkg) = @_;
1024
1025 warn "removing extension $pkg\n";
1026
1027 # remove hooks
1028 #TODO
1029# for my $idx (0 .. $#PLUGIN_EVENT) {
1030# delete $hook[$idx]{$pkg};
1031# }
1032
1033 # remove commands
1034 for my $name (keys %COMMAND) {
1035 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037 if (@cb) {
1038 $COMMAND{$name} = \@cb;
1039 } else {
1040 delete $COMMAND{$name};
1041 }
1042 }
1043
1044 # remove extcmds
1045 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046 delete $EXTCMD{$name};
1047 }
1048
1049 if (my $cb = $pkg->can ("unload")) {
1050 eval {
1051 $cb->($pkg);
1052 1
1053 } or warn "$pkg unloaded, but with errors: $@";
1054 }
1055
1056 Symbol::delete_package $pkg;
1057}
1058
1059sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
1060 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 1272 next unless -r $path;
1062 eval { 1273
1063 load_extension $ext; 1274 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1275 my $base = $1;
1276 my $pkg = $1;
1277 $pkg =~ s/[^[:word:]]/_/g;
1278 $pkg = "ext::$pkg";
1279
1280 open my $fh, "<:utf8", $path
1281 or die "$path: $!";
1282
1283 my $source = do { local $/; <$fh> };
1284
1285 my %ext = (
1286 path => $path,
1287 base => $base,
1288 pkg => $pkg,
1289 );
1290
1291 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293
1294 $ext{source} =
1295 "package $pkg; use strict; use utf8;\n"
1296 . "#line 1 \"$path\"\n{\n"
1297 . $source
1298 . "\n};\n1";
1299
1300 $todo{$base} = \%ext;
1301 }
1302
1303 my %done;
1304 while (%todo) {
1305 my $progress;
1306
1307 while (my ($k, $v) = each %todo) {
1308 for (split /,\s*/, $v->{meta}{depends}) {
1309 goto skip
1310 unless exists $done{$_};
1311 }
1312
1313 warn "... loading '$k' into '$v->{pkg}'\n";
1314
1315 unless (eval $v->{source}) {
1316 my $msg = $@ ? "$v->{path}: $@\n"
1317 : "$v->{base}: extension inactive.\n";
1318
1319 if (exists $v->{meta}{mandatory}) {
1320 warn $msg;
1321 cf::cleanup "mandatory extension failed to load, exiting.";
1322 }
1323
1324 warn $msg;
1325 }
1326
1327 $done{$k} = delete $todo{$k};
1328 push @EXTS, $v->{pkg};
1329 $progress = 1;
1064 1 1330 }
1065 } or warn "$ext not loaded: $@"; 1331
1332 skip:
1333 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1334 unless $progress;
1335 }
1066 } 1336 };
1067} 1337}
1068 1338
1069############################################################################# 1339#############################################################################
1070# load/save/clean perl data associated with a map
1071 1340
1072*cf::mapsupport::on_clean = sub { 1341=back
1073 my ($map) = @_;
1074
1075 my $path = $map->tmpname;
1076 defined $path or return;
1077
1078 unlink "$path.pst";
1079};
1080
1081cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083#############################################################################
1084 1342
1085=head2 CORE EXTENSIONS 1343=head2 CORE EXTENSIONS
1086 1344
1087Functions and methods that extend core crossfire objects. 1345Functions and methods that extend core crossfire objects.
1088 1346
… …
1094 1352
1095=head3 cf::player 1353=head3 cf::player
1096 1354
1097=over 4 1355=over 4
1098 1356
1357=item cf::player::num_playing
1358
1359Returns the official number of playing players, as per the Crossfire metaserver rules.
1360
1361=cut
1362
1363sub num_playing {
1364 scalar grep
1365 $_->ob->map
1366 && !$_->hidden
1367 && !$_->ob->flag (cf::FLAG_WIZ),
1368 cf::player::list
1369}
1370
1099=item cf::player::find $login 1371=item cf::player::find $login
1100 1372
1101Returns the given player object, loading it if necessary (might block). 1373Returns the given player object, loading it if necessary (might block).
1102 1374
1103=cut 1375=cut
1104 1376
1105sub playerdir($) { 1377sub playerdir($) {
1106 cf::localdir 1378 "$PLAYERDIR/"
1107 . "/"
1108 . cf::playerdir
1109 . "/"
1110 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1379 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1111} 1380}
1112 1381
1113sub path($) { 1382sub path($) {
1114 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1383 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115 1384
1116 (playerdir $login) . "/$login.pl" 1385 (playerdir $login) . "/playerdata"
1117} 1386}
1118 1387
1119sub find_active($) { 1388sub find_active($) {
1120 $cf::PLAYER{$_[0]} 1389 $cf::PLAYER{$_[0]}
1121 and $cf::PLAYER{$_[0]}->active 1390 and $cf::PLAYER{$_[0]}->active
… …
1124 1393
1125sub exists($) { 1394sub exists($) {
1126 my ($login) = @_; 1395 my ($login) = @_;
1127 1396
1128 $cf::PLAYER{$login} 1397 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 1398 or cf::sync_job { !aio_stat path $login }
1130} 1399}
1131 1400
1132sub find($) { 1401sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 1402 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 1403 my $login = $_[0];
1135 1404
1136 my $guard = cf::lock_acquire "user_find:$login"; 1405 my $guard = cf::lock_acquire "user_find:$login";
1137 1406
1138 $cf::PLAYER{$_[0]} || do { 1407 $cf::PLAYER{$_[0]} || do {
1139 my $pl = load_pl path $login 1408 # rename old playerfiles to new ones
1409 #TODO: remove when no longer required
1410 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1411 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1412 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1413 aio_unlink +(playerdir $login) . "/$login.pl";
1414
1415 my $f = new_from_file cf::object::thawer path $login
1140 or return; 1416 or return;
1417
1418 my $pl = cf::player::load_pl $f
1419 or return;
1420 local $cf::PLAYER_LOADING{$login} = $pl;
1421 $f->resolve_delayed_derefs;
1141 $cf::PLAYER{$login} = $pl 1422 $cf::PLAYER{$login} = $pl
1142 } 1423 }
1143 } 1424 }
1144} 1425}
1145 1426
… …
1155 1436
1156 aio_mkdir playerdir $pl, 0770; 1437 aio_mkdir playerdir $pl, 0770;
1157 $pl->{last_save} = $cf::RUNTIME; 1438 $pl->{last_save} = $cf::RUNTIME;
1158 1439
1159 $pl->save_pl ($path); 1440 $pl->save_pl ($path);
1160 Coro::cede; 1441 cf::cede_to_tick;
1161} 1442}
1162 1443
1163sub new($) { 1444sub new($) {
1164 my ($login) = @_; 1445 my ($login) = @_;
1165 1446
… …
1171 $cf::PLAYER{$login} = $self; 1452 $cf::PLAYER{$login} = $self;
1172 1453
1173 $self 1454 $self
1174} 1455}
1175 1456
1457=item $player->send_msg ($channel, $msg, $color, [extra...])
1458
1459=cut
1460
1461sub send_msg {
1462 my $ns = shift->ns
1463 or return;
1464 $ns->send_msg (@_);
1465}
1466
1176=item $pl->quit_character 1467=item $pl->quit_character
1177 1468
1178Nukes the player without looking back. If logged in, the connection will 1469Nukes the player without looking back. If logged in, the connection will
1179be destroyed. May block for a long time. 1470be destroyed. May block for a long time.
1180 1471
1181=cut 1472=cut
1182 1473
1183sub quit_character { 1474sub quit_character {
1184 my ($pl) = @_; 1475 my ($pl) = @_;
1476
1477 my $name = $pl->ob->name;
1185 1478
1186 $pl->{deny_save} = 1; 1479 $pl->{deny_save} = 1;
1187 $pl->password ("*"); # this should lock out the player until we nuked the dir 1480 $pl->password ("*"); # this should lock out the player until we nuked the dir
1188 1481
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1482 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1194 my $path = playerdir $pl; 1487 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1488 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1489 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1490 delete $cf::PLAYER{$pl->ob->name};
1198 $pl->destroy; 1491 $pl->destroy;
1492
1493 my $prefix = qr<^~\Q$name\E/>;
1494
1495 # nuke player maps
1496 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1497
1199 IO::AIO::aio_rmtree $temp; 1498 IO::AIO::aio_rmtree $temp;
1499}
1500
1501=item $pl->kick
1502
1503Kicks a player out of the game. This destroys the connection.
1504
1505=cut
1506
1507sub kick {
1508 my ($pl, $kicker) = @_;
1509
1510 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1511 $pl->killer ("kicked");
1512 $pl->ns->destroy;
1200} 1513}
1201 1514
1202=item cf::player::list_logins 1515=item cf::player::list_logins
1203 1516
1204Returns am arrayref of all valid playernames in the system, can take a 1517Returns am arrayref of all valid playernames in the system, can take a
1205while and may block, so not sync_job-capable, ever. 1518while and may block, so not sync_job-capable, ever.
1206 1519
1207=cut 1520=cut
1208 1521
1209sub list_logins { 1522sub list_logins {
1210 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1523 my $dirs = aio_readdir $PLAYERDIR
1211 or return []; 1524 or return [];
1212 1525
1213 my @logins; 1526 my @logins;
1214 1527
1215 for my $login (@$dirs) { 1528 for my $login (@$dirs) {
1529 my $path = path $login;
1530
1531 # a .pst is a dead give-away for a valid player
1532 unless (-e "$path.pst") {
1216 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1533 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217 aio_read $fh, 0, 512, my $buf, 0 or next; 1534 aio_read $fh, 0, 512, my $buf, 0 or next;
1218 $buf !~ /^password -------------$/m or next; # official not-valid tag 1535 $buf !~ /^password -------------$/m or next; # official not-valid tag
1536 }
1219 1537
1220 utf8::decode $login; 1538 utf8::decode $login;
1221 push @logins, $login; 1539 push @logins, $login;
1222 } 1540 }
1223 1541
1224 \@logins 1542 \@logins
1225} 1543}
1226 1544
1227=item $player->maps 1545=item $player->maps
1228 1546
1229Returns an arrayref of cf::path's of all maps that are private for this 1547Returns an arrayref of map paths that are private for this
1230player. May block. 1548player. May block.
1231 1549
1232=cut 1550=cut
1233 1551
1234sub maps($) { 1552sub maps($) {
1235 my ($pl) = @_; 1553 my ($pl) = @_;
1554
1555 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1556
1237 my $files = aio_readdir playerdir $pl 1557 my $files = aio_readdir playerdir $pl
1238 or return; 1558 or return;
1239 1559
1240 my @paths; 1560 my @paths;
1241 1561
1242 for (@$files) { 1562 for (@$files) {
1243 utf8::decode $_; 1563 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1564 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1565 next unless /^$PATH_SEP/o;
1246 1566
1247 s/$PATH_SEP/\//g; 1567 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1568 }
1250 1569
1251 \@paths 1570 \@paths
1252} 1571}
1253 1572
1573=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1574
1575Expand crossfire pod fragments into protocol xml.
1576
1577=cut
1578
1579use re 'eval';
1580
1581my $group;
1582my $interior; $interior = qr{
1583 # match a pod interior sequence sans C<< >>
1584 (?:
1585 \ (.*?)\ (?{ $group = $^N })
1586 | < (??{$interior}) >
1587 )
1588}x;
1589
1590sub expand_cfpod {
1591 my ($self, $pod) = @_;
1592
1593 my $xml;
1594
1595 while () {
1596 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1597 $group = $1;
1598
1599 $group =~ s/&/&amp;/g;
1600 $group =~ s/</&lt;/g;
1601
1602 $xml .= $group;
1603 } elsif ($pod =~ m%\G
1604 ([BCGHITU])
1605 <
1606 (?:
1607 ([^<>]*) (?{ $group = $^N })
1608 | < $interior >
1609 )
1610 >
1611 %gcsx
1612 ) {
1613 my ($code, $data) = ($1, $group);
1614
1615 if ($code eq "B") {
1616 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1617 } elsif ($code eq "I") {
1618 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1619 } elsif ($code eq "U") {
1620 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1621 } elsif ($code eq "C") {
1622 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1623 } elsif ($code eq "T") {
1624 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1625 } elsif ($code eq "G") {
1626 my ($male, $female) = split /\|/, $data;
1627 $data = $self->gender ? $female : $male;
1628 $xml .= expand_cfpod ($self, $data);
1629 } elsif ($code eq "H") {
1630 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1631 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1632 "")
1633 [$self->{hintmode}];
1634 } else {
1635 $xml .= "error processing '$code($data)' directive";
1636 }
1637 } else {
1638 if ($pod =~ /\G(.+)/) {
1639 warn "parse error while expanding $pod (at $1)";
1640 }
1641 last;
1642 }
1643 }
1644
1645 for ($xml) {
1646 # create single paragraphs (very hackish)
1647 s/(?<=\S)\n(?=\w)/ /g;
1648
1649 # compress some whitespace
1650 s/\s+\n/\n/g; # ws line-ends
1651 s/\n\n+/\n/g; # double lines
1652 s/^\n+//; # beginning lines
1653 s/\n+$//; # ending lines
1654 }
1655
1656 $xml
1657}
1658
1659no re 'eval';
1660
1661sub hintmode {
1662 $_[0]{hintmode} = $_[1] if @_ > 1;
1663 $_[0]{hintmode}
1664}
1665
1254=item $player->ext_reply ($msgid, $msgtype, %msg) 1666=item $player->ext_reply ($msgid, @msg)
1255 1667
1256Sends an ext reply to the player. 1668Sends an ext reply to the player.
1257 1669
1258=cut 1670=cut
1259 1671
1260sub ext_reply($$$%) { 1672sub ext_reply($$@) {
1261 my ($self, $id, %msg) = @_; 1673 my ($self, $id, @msg) = @_;
1262 1674
1263 $msg{msgid} = $id; 1675 $self->ns->ext_reply ($id, @msg)
1264
1265 $self->send ("ext " . cf::to_json \%msg);
1266} 1676}
1267 1677
1268package cf; 1678=item $player->ext_msg ($type, @msg)
1679
1680Sends an ext event to the client.
1681
1682=cut
1683
1684sub ext_msg($$@) {
1685 my ($self, $type, @msg) = @_;
1686
1687 $self->ns->ext_msg ($type, @msg);
1688}
1689
1690=head3 cf::region
1691
1692=over 4
1693
1694=cut
1695
1696package cf::region;
1697
1698=item cf::region::find_by_path $path
1699
1700Tries to decuce the likely region for a map knowing only its path.
1701
1702=cut
1703
1704sub find_by_path($) {
1705 my ($path) = @_;
1706
1707 my ($match, $specificity);
1708
1709 for my $region (list) {
1710 if ($region->{match} && $path =~ $region->{match}) {
1711 ($match, $specificity) = ($region, $region->specificity)
1712 if $region->specificity > $specificity;
1713 }
1714 }
1715
1716 $match
1717}
1269 1718
1270=back 1719=back
1271
1272 1720
1273=head3 cf::map 1721=head3 cf::map
1274 1722
1275=over 4 1723=over 4
1276 1724
… …
1279package cf::map; 1727package cf::map;
1280 1728
1281use Fcntl; 1729use Fcntl;
1282use Coro::AIO; 1730use Coro::AIO;
1283 1731
1732use overload
1733 '""' => \&as_string,
1734 fallback => 1;
1735
1284our $MAX_RESET = 3600; 1736our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1737our $DEFAULT_RESET = 3000;
1286 1738
1287sub generate_random_map { 1739sub generate_random_map {
1288 my ($path, $rmp) = @_; 1740 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1741 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1742 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1743 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1744 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1745 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1746 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1747 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1748 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1749 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1750 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1751 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1752 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1753 (cf::region::find $rmp->{region}), $rmp->{custom}
1754 )
1755}
1756
1757=item cf::map->register ($regex, $prio)
1758
1759Register a handler for the map path matching the given regex at the
1760givne priority (higher is better, built-in handlers have priority 0, the
1761default).
1762
1763=cut
1764
1765sub register {
1766 my (undef, $regex, $prio) = @_;
1767 my $pkg = caller;
1768
1769 no strict;
1770 push @{"$pkg\::ISA"}, __PACKAGE__;
1771
1772 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1773}
1774
1775# also paths starting with '/'
1776$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1777
1778sub thawer_merge {
1779 my ($self, $merge) = @_;
1780
1781 # we have to keep some variables in memory intact
1782 local $self->{path};
1783 local $self->{load_path};
1784
1785 $self->SUPER::thawer_merge ($merge);
1786}
1787
1788sub normalise {
1789 my ($path, $base) = @_;
1790
1791 $path = "$path"; # make sure its a string
1792
1793 $path =~ s/\.map$//;
1794
1795 # map plan:
1796 #
1797 # /! non-realised random map exit (special hack!)
1798 # {... are special paths that are not being touched
1799 # ?xxx/... are special absolute paths
1800 # ?random/... random maps
1801 # /... normal maps
1802 # ~user/... per-player map of a specific user
1803
1804 $path =~ s/$PATH_SEP/\//go;
1805
1806 # treat it as relative path if it starts with
1807 # something that looks reasonable
1808 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1809 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1810
1811 $base =~ s{[^/]+/?$}{};
1812 $path = "$base/$path";
1813 }
1814
1815 for ($path) {
1816 redo if s{//}{/};
1817 redo if s{/\.?/}{/};
1818 redo if s{/[^/]+/\.\./}{/};
1819 }
1820
1821 $path
1822}
1823
1824sub new_from_path {
1825 my (undef, $path, $base) = @_;
1826
1827 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1828
1829 $path = normalise $path, $base;
1830
1831 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1832 if ($path =~ $EXT_MAP{$pkg}[1]) {
1833 my $self = bless cf::map::new, $pkg;
1834 $self->{path} = $path; $self->path ($path);
1835 $self->init; # pass $1 etc.
1836 return $self;
1837 }
1838 }
1839
1840 Carp::cluck "unable to resolve path '$path' (base '$base').";
1841 ()
1842}
1843
1844sub init {
1845 my ($self) = @_;
1846
1847 $self
1848}
1849
1850sub as_string {
1851 my ($self) = @_;
1852
1853 "$self->{path}"
1854}
1855
1856# the displayed name, this is a one way mapping
1857sub visible_name {
1858 &as_string
1859}
1860
1861# the original (read-only) location
1862sub load_path {
1863 my ($self) = @_;
1864
1865 "$MAPDIR/$self->{path}.map"
1866}
1867
1868# the temporary/swap location
1869sub save_path {
1870 my ($self) = @_;
1871
1872 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1873 "$TMPDIR/$path.map"
1874}
1875
1876# the unique path, undef == no special unique path
1877sub uniq_path {
1878 my ($self) = @_;
1879
1880 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1881 "$UNIQUEDIR/$path"
1304} 1882}
1305 1883
1306# and all this just because we cannot iterate over 1884# and all this just because we cannot iterate over
1307# all maps in C++... 1885# all maps in C++...
1308sub change_all_map_light { 1886sub change_all_map_light {
… …
1310 1888
1311 $_->change_map_light ($change) 1889 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1890 for grep $_->outdoor, values %cf::MAP;
1313} 1891}
1314 1892
1893sub decay_objects {
1894 my ($self) = @_;
1895
1896 return if $self->{deny_reset};
1897
1898 $self->do_decay_objects;
1899}
1900
1901sub unlink_save {
1902 my ($self) = @_;
1903
1904 utf8::encode (my $save = $self->save_path);
1905 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1906 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1907}
1908
1315sub try_load_header($) { 1909sub load_header_from($) {
1316 my ($path) = @_; 1910 my ($self, $path) = @_;
1317 1911
1318 utf8::encode $path; 1912 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1913 my $f = new_from_file cf::object::thawer $path
1320 or return; 1914 or return;
1321 1915
1322 my $map = cf::map::new 1916 $self->_load_header ($f)
1323 or return; 1917 or return;
1324 1918
1325 # for better error messages only, will be overwritten 1919 local $MAP_LOADING{$self->{path}} = $self;
1326 $map->path ($path); 1920 $f->resolve_delayed_derefs;
1327 1921
1328 $map->load_header ($path) 1922 $self->{load_path} = $path;
1923
1924 1
1925}
1926
1927sub load_header_orig {
1928 my ($self) = @_;
1929
1930 $self->load_header_from ($self->load_path)
1931}
1932
1933sub load_header_temp {
1934 my ($self) = @_;
1935
1936 $self->load_header_from ($self->save_path)
1937}
1938
1939sub prepare_temp {
1940 my ($self) = @_;
1941
1942 $self->last_access ((delete $self->{last_access})
1943 || $cf::RUNTIME); #d#
1944 # safety
1945 $self->{instantiate_time} = $cf::RUNTIME
1946 if $self->{instantiate_time} > $cf::RUNTIME;
1947}
1948
1949sub prepare_orig {
1950 my ($self) = @_;
1951
1952 $self->{load_original} = 1;
1953 $self->{instantiate_time} = $cf::RUNTIME;
1954 $self->last_access ($cf::RUNTIME);
1955 $self->instantiate;
1956}
1957
1958sub load_header {
1959 my ($self) = @_;
1960
1961 if ($self->load_header_temp) {
1962 $self->prepare_temp;
1963 } else {
1964 $self->load_header_orig
1329 or return; 1965 or return;
1966 $self->prepare_orig;
1967 }
1330 1968
1331 $map->{load_path} = $path; 1969 $self->{deny_reset} = 1
1970 if $self->no_reset;
1332 1971
1333 $map 1972 $self->default_region (cf::region::find_by_path $self->{path})
1973 unless $self->default_region;
1974
1975 1
1334} 1976}
1335 1977
1336sub find; 1978sub find;
1337sub find { 1979sub find {
1338 my ($path, $origin) = @_; 1980 my ($path, $origin) = @_;
1339 1981
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1982 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1983
1984 cf::lock_wait "map_data:$path";#d#remove
1345 cf::lock_wait "map_find:$key"; 1985 cf::lock_wait "map_find:$path";
1346 1986
1347 $cf::MAP{$key} || do { 1987 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1988 my $guard1 = cf::lock_acquire "map_find:$path";
1989 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1349 1990
1350 # do it the slow way 1991 my $map = new_from_path cf::map $path
1351 my $map = try_load_header $path->save_path;
1352
1353 Coro::cede;
1354
1355 if ($map) {
1356 $map->last_access ((delete $map->{last_access})
1357 || $cf::RUNTIME); #d#
1358 # safety
1359 $map->{instantiate_time} = $cf::RUNTIME
1360 if $map->{instantiate_time} > $cf::RUNTIME;
1361 } else {
1362 if (my $rmp = $path->random_map_params) {
1363 $map = generate_random_map $key, $rmp;
1364 } else {
1365 $map = try_load_header $path->load_path;
1366 }
1367
1368 $map or return; 1992 or return;
1369 1993
1370 $map->{load_original} = 1;
1371 $map->{instantiate_time} = $cf::RUNTIME;
1372 $map->last_access ($cf::RUNTIME);
1373 $map->instantiate;
1374
1375 # per-player maps become, after loading, normal maps
1376 $map->per_player (0) if $path->{user_rel};
1377 }
1378
1379 $map->path ($key);
1380 $map->{path} = $path;
1381 $map->{last_save} = $cf::RUNTIME; 1994 $map->{last_save} = $cf::RUNTIME;
1382 1995
1383 Coro::cede; 1996 $map->load_header
1997 or return;
1384 1998
1385 if ($map->should_reset) { 1999 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2000 # doing this can freeze the server in a sync job, obviously
2001 #$cf::WAIT_FOR_TICK->wait;
2002 undef $guard1;
2003 undef $guard2;
1386 $map->reset; 2004 $map->reset;
1387 undef $guard;
1388 $map = find $path 2005 return find $path;
1389 or return;
1390 } 2006 }
1391 2007
1392 $cf::MAP{$key} = $map 2008 $cf::MAP{$path} = $map
1393 } 2009 }
1394} 2010}
2011
2012sub pre_load { }
2013sub post_load { }
1395 2014
1396sub load { 2015sub load {
1397 my ($self) = @_; 2016 my ($self) = @_;
1398 2017
2018 local $self->{deny_reset} = 1; # loading can take a long time
2019
1399 my $path = $self->{path}; 2020 my $path = $self->{path};
2021
2022 {
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2023 my $guard = cf::lock_acquire "map_data:$path";
1401 2024
2025 return unless $self->valid;
1402 return if $self->in_memory != cf::MAP_SWAPPED; 2026 return unless $self->in_memory == cf::MAP_SWAPPED;
1403 2027
1404 $self->in_memory (cf::MAP_LOADING); 2028 $self->in_memory (cf::MAP_LOADING);
1405 2029
1406 $self->alloc; 2030 $self->alloc;
1407 $self->load_objects ($self->{load_path}, 1) 2031
2032 $self->pre_load;
2033 cf::cede_to_tick;
2034
2035 my $f = new_from_file cf::object::thawer $self->{load_path};
2036 $f->skip_block;
2037 $self->_load_objects ($f)
1408 or return; 2038 or return;
1409 2039
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2040 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 2041 if delete $self->{load_original};
1412 2042
1413 if (my $uniq = $path->uniq_path) { 2043 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 2044 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 2045 unless (aio_stat $uniq) {
2046 if (my $f = new_from_file cf::object::thawer $uniq) {
1416 $self->clear_unique_items; 2047 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 2048 $self->_load_objects ($f);
2049 $f->resolve_delayed_derefs;
2050 }
1418 } 2051 }
1419 } 2052 }
1420 2053
1421 Coro::cede; 2054 $f->resolve_delayed_derefs;
1422 2055
2056 cf::cede_to_tick;
1423 # now do the right thing for maps 2057 # now do the right thing for maps
1424 $self->link_multipart_objects; 2058 $self->link_multipart_objects;
1425
1426 if ($self->{path}->is_style_map) {
1427 $self->{deny_save} = 1;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons;
1433 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 2059 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 2060 unless $self->difficulty;
2061 cf::cede_to_tick;
2062
2063 unless ($self->{deny_activate}) {
2064 $self->decay_objects;
2065 $self->fix_auto_apply;
2066 $self->update_buttons;
2067 cf::cede_to_tick;
2068 $self->set_darkness_map;
2069 cf::cede_to_tick;
1436 $self->activate; 2070 $self->activate;
1437 } 2071 }
1438 2072
1439 Coro::cede; 2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
1440 2075
1441 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_IN_MEMORY);
2077 }
2078
2079 $self->post_load;
2080}
2081
2082sub customise_for {
2083 my ($self, $ob) = @_;
2084
2085 return find "~" . $ob->name . "/" . $self->{path}
2086 if $self->per_player;
2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
2091 $self
1442} 2092}
1443 2093
1444# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1445sub load_diag { 2095sub load_neighbours {
1446 my ($map) = @_; 2096 my ($map) = @_;
1447 2097
1448 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1449 2099
1450 for (0 .. 3) { 2100 for (0 .. 3) {
1451 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1452 or next; 2102 or next;
1453 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1454 or next; 2104 or next;
1455 $neigh->load; 2105 $neigh->load;
1456 2106
2107 push @neigh,
1457 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1458 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1459 } 2110 }
1460 2111
1461 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1462 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1463 or next; 2115 or next;
1464 $neigh->load; 2116 $neigh->load;
1465 } 2117 }
1466} 2118}
1467 2119
… …
1472} 2124}
1473 2125
1474sub do_load_sync { 2126sub do_load_sync {
1475 my ($map) = @_; 2127 my ($map) = @_;
1476 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1477 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1478} 2133}
1479 2134
1480our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
2136our $MAP_PREFETCHER = undef;
2137
2138sub find_async {
2139 my ($path, $origin, $load) = @_;
2140
2141 $path = normalise $path, $origin && $origin->{path};
2142
2143 if (my $map = $cf::MAP{$path}) {
2144 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2145 }
2146
2147 $MAP_PREFETCH{$path} |= $load;
2148
1481our $MAP_PREFETCHER = Coro::async { 2149 $MAP_PREFETCHER ||= cf::async {
1482 while () { 2150 $Coro::current->{desc} = "map prefetcher";
2151
1483 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1484 my $key = each %MAP_PREFETCH 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1485 or next; 2154 if (my $map = find $k) {
2155 $map->load if $v;
2156 }
2157
1486 my $path = delete $MAP_PREFETCH{$key}; 2158 delete $MAP_PREFETCH{$k};
1487
1488 my $map = find $path
1489 or next;
1490 $map->load;
1491 } 2159 }
1492 Coro::schedule; 2160 }
2161 undef $MAP_PREFETCHER;
1493 } 2162 };
1494};
1495
1496sub find_async {
1497 my ($path, $origin) = @_;
1498
1499 $path = new cf::path $path, $origin && $origin->path;
1500 my $key = $path->as_string;
1501
1502 if (my $map = $cf::MAP{$key}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 }
1505
1506 $MAP_PREFETCH{$key} = $path;
1507 $MAP_PREFETCHER->ready; 2163 $MAP_PREFETCHER->prio (6);
1508 2164
1509 () 2165 ()
1510} 2166}
1511 2167
1512sub save { 2168sub save {
1513 my ($self) = @_; 2169 my ($self) = @_;
1514 2170
1515 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1516 2172
1517 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1518 2174
1519 return unless $self->dirty; 2175 return unless $self->dirty;
1520 2176
1521 my $save = $self->{path}->save_path; utf8::encode $save; 2177 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2178 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 2179
1524 $self->{load_path} = $save; 2180 $self->{load_path} = $save;
1525 2181
1526 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1527 2183
1528 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1529 2185
1530 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1531 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1532 }; 2189 };
1533 2190
1534 if ($uniq) { 2191 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2192 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 2193 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 2194 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2195 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 2196 }
1540} 2197}
1541 2198
1542sub swap_out { 2199sub swap_out {
1543 my ($self) = @_; 2200 my ($self) = @_;
1544 2201
1545 # save first because save cedes 2202 # save first because save cedes
1546 $self->save; 2203 $self->save;
1547 2204
1548 my $lock = cf::lock_acquire "map_data:" . $self->path; 2205 my $lock = cf::lock_acquire "map_data:$self->{path}";
1549 2206
1550 return if $self->players; 2207 return if $self->players;
1551 return if $self->in_memory != cf::MAP_IN_MEMORY; 2208 return if $self->in_memory != cf::MAP_IN_MEMORY;
1552 return if $self->{deny_save}; 2209 return if $self->{deny_save};
1553 2210
2211 $self->in_memory (cf::MAP_SWAPPED);
2212
2213 $self->deactivate;
2214 $_->clear_links_to ($self) for values %cf::MAP;
1554 $self->clear; 2215 $self->clear;
1555 $self->in_memory (cf::MAP_SWAPPED);
1556} 2216}
1557 2217
1558sub reset_at { 2218sub reset_at {
1559 my ($self) = @_; 2219 my ($self) = @_;
1560 2220
1561 # TODO: safety, remove and allow resettable per-player maps 2221 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel};
1563 return 1e99 if $self->{deny_reset}; 2222 return 1e99 if $self->{deny_reset};
1564 2223
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2224 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2225 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 2226
… …
1572 my ($self) = @_; 2231 my ($self) = @_;
1573 2232
1574 $self->reset_at <= $cf::RUNTIME 2233 $self->reset_at <= $cf::RUNTIME
1575} 2234}
1576 2235
1577sub unlink_save {
1578 my ($self) = @_;
1579
1580 utf8::encode (my $save = $self->{path}->save_path);
1581 aioreq_pri 3; IO::AIO::aio_unlink $save;
1582 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583}
1584
1585sub rename {
1586 my ($self, $new_path) = @_;
1587
1588 $self->unlink_save;
1589
1590 delete $cf::MAP{$self->path};
1591 $self->{path} = new cf::path $new_path;
1592 $self->path ($self->{path}->as_string);
1593 $cf::MAP{$self->path} = $self;
1594
1595 $self->save;
1596}
1597
1598sub reset { 2236sub reset {
1599 my ($self) = @_; 2237 my ($self) = @_;
1600 2238
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 2239 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 2240
1603 return if $self->players; 2241 return if $self->players;
1604 return if $self->{path}{user_rel};#d#
1605 2242
1606 warn "resetting map ", $self->path;#d# 2243 warn "resetting map ", $self->path;
2244
2245 $self->in_memory (cf::MAP_SWAPPED);
2246
2247 # need to save uniques path
2248 unless ($self->{deny_save}) {
2249 my $uniq = $self->uniq_path; utf8::encode $uniq;
2250
2251 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2252 if $uniq;
2253 }
1607 2254
1608 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1609 2256
2257 $self->deactivate;
1610 $_->clear_links_to ($self) for values %cf::MAP; 2258 $_->clear_links_to ($self) for values %cf::MAP;
2259 $self->clear;
1611 2260
1612 $self->unlink_save; 2261 $self->unlink_save;
1613 $self->destroy; 2262 $self->destroy;
1614} 2263}
1615 2264
1616my $nuke_counter = "aaaa"; 2265my $nuke_counter = "aaaa";
1617 2266
1618sub nuke { 2267sub nuke {
1619 my ($self) = @_; 2268 my ($self) = @_;
1620 2269
2270 {
2271 my $lock = cf::lock_acquire "map_data:$self->{path}";
2272
2273 delete $cf::MAP{$self->path};
2274
2275 $self->unlink_save;
2276
2277 bless $self, "cf::map";
2278 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 2279 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 2280 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 2281 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2282
2283 $cf::MAP{$self->path} = $self;
2284 }
2285
1624 $self->reset; # polite request, might not happen 2286 $self->reset; # polite request, might not happen
1625} 2287}
1626 2288
1627sub customise_for { 2289=item $maps = cf::map::tmp_maps
1628 my ($map, $ob) = @_;
1629 2290
1630 if ($map->per_player) { 2291Returns an arrayref with all map paths of currently instantiated and saved
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2292maps. May block.
2293
2294=cut
2295
2296sub tmp_maps() {
1632 } 2297 [
2298 map {
2299 utf8::decode $_;
2300 /\.map$/
2301 ? normalise $_
2302 : ()
2303 } @{ aio_readdir $TMPDIR or [] }
2304 ]
2305}
1633 2306
1634 $map 2307=item $maps = cf::map::random_maps
2308
2309Returns an arrayref with all map paths of currently instantiated and saved
2310random maps. May block.
2311
2312=cut
2313
2314sub random_maps() {
2315 [
2316 map {
2317 utf8::decode $_;
2318 /\.map$/
2319 ? normalise "?random/$_"
2320 : ()
2321 } @{ aio_readdir $RANDOMDIR or [] }
2322 ]
2323}
2324
2325=item cf::map::unique_maps
2326
2327Returns an arrayref of paths of all shared maps that have
2328instantiated unique items. May block.
2329
2330=cut
2331
2332sub unique_maps() {
2333 [
2334 map {
2335 utf8::decode $_;
2336 /\.map$/
2337 ? normalise $_
2338 : ()
2339 } @{ aio_readdir $UNIQUEDIR or [] }
2340 ]
1635} 2341}
1636 2342
1637package cf; 2343package cf;
1638 2344
1639=back 2345=back
… …
1657 map { $_, inv_recursive_ $_->inv } @_ 2363 map { $_, inv_recursive_ $_->inv } @_
1658} 2364}
1659 2365
1660sub inv_recursive { 2366sub inv_recursive {
1661 inv_recursive_ inv $_[0] 2367 inv_recursive_ inv $_[0]
2368}
2369
2370=item $ref = $ob->ref
2371
2372creates and returns a persistent reference to an objetc that can be stored as a string.
2373
2374=item $ob = cf::object::deref ($refstring)
2375
2376returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2377even if the object actually exists. May block.
2378
2379=cut
2380
2381sub deref {
2382 my ($ref) = @_;
2383
2384 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2385 my ($uuid, $name) = ($1, $2);
2386 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2387 or return;
2388 $pl->ob->uuid eq $uuid
2389 or return;
2390
2391 $pl->ob
2392 } else {
2393 warn "$ref: cannot resolve object reference\n";
2394 undef
2395 }
1662} 2396}
1663 2397
1664package cf; 2398package cf;
1665 2399
1666=back 2400=back
… …
1685 2419
1686 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687 2421
1688 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1689 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1690 } else { 2425 } else {
2426 my $pl = $self->contr;
2427
2428 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2429 my $dialog = $pl->{npc_dialog};
2430 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431
2432 } else {
1691 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1692 $self->message ($msg, $flags); 2434 $self->message ($msg, $flags);
2435 }
1693 } 2436 }
2437}
2438
2439=item $object->send_msg ($channel, $msg, $color, [extra...])
2440
2441=cut
2442
2443sub cf::object::send_msg {
2444 my $pl = shift->contr
2445 or return;
2446 $pl->send_msg (@_);
1694} 2447}
1695 2448
1696=item $player_object->may ("access") 2449=item $player_object->may ("access")
1697 2450
1698Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
… …
1711 2464
1712=item $player_object->enter_link 2465=item $player_object->enter_link
1713 2466
1714Freezes the player and moves him/her to a special map (C<{link}>). 2467Freezes the player and moves him/her to a special map (C<{link}>).
1715 2468
1716The player should be reaosnably safe there for short amounts of time. You 2469The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 2470I<MUST> call C<leave_link> as soon as possible, though.
1718 2471
2472Will never block.
2473
1719=item $player_object->leave_link ($map, $x, $y) 2474=item $player_object->leave_link ($map, $x, $y)
1720 2475
1721Moves the player out of the specila link map onto the given map. If the 2476Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 2477map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 2478to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 2479fails, to the emergency map position.
1725 2480
1726Might block. 2481Might block.
1727 2482
1728=cut 2483=cut
2484
2485sub link_map {
2486 unless ($LINK_MAP) {
2487 $LINK_MAP = cf::map::find "{link}"
2488 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2489 $LINK_MAP->load;
2490 }
2491
2492 $LINK_MAP
2493}
1729 2494
1730sub cf::object::player::enter_link { 2495sub cf::object::player::enter_link {
1731 my ($self) = @_; 2496 my ($self) = @_;
1732 2497
1733 $self->deactivate_recursive; 2498 $self->deactivate_recursive;
1734 2499
1735 return if $self->map == $LINK_MAP; 2500 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 2501
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 2503 if $self->map && $self->map->{path} ne "{link}";
1739 2504
1740 $self->enter_map ($LINK_MAP, 20, 20); 2505 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 2506}
1742 2507
1743sub cf::object::player::leave_link { 2508sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 2509 my ($self, $map, $x, $y) = @_;
2510
2511 return unless $self->contr->active;
1745 2512
1746 my $link_pos = delete $self->{_link_pos}; 2513 my $link_pos = delete $self->{_link_pos};
1747 2514
1748 unless ($map) { 2515 unless ($map) {
1749 # restore original map position 2516 # restore original map position
… …
1763 # use -1 or undef as default coordinates, not 0, 0 2530 # use -1 or undef as default coordinates, not 0, 0
1764 ($x, $y) = ($map->enter_x, $map->enter_y) 2531 ($x, $y) = ($map->enter_x, $map->enter_y)
1765 if $x <=0 && $y <= 0; 2532 if $x <=0 && $y <= 0;
1766 2533
1767 $map->load; 2534 $map->load;
1768 $map->load_diag; 2535 $map->load_neighbours;
1769 2536
1770 return unless $self->contr->active; 2537 return unless $self->contr->active;
1771 $self->activate_recursive; 2538 $self->activate_recursive;
2539
2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
1773} 2542}
1774 2543
1775cf::player->attach ( 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776 on_logout => sub {
1777 my ($pl) = @_;
1778 2545
1779 # abort map switching before logout 2546Moves the player to the given map-path and coordinates by first freezing
1780 if ($pl->ob->{_link_pos}) { 2547her, loading and preparing them map, calling the provided $check callback
1781 cf::sync_job { 2548that has to return the map if sucecssful, and then unfreezes the player on
1782 $pl->ob->leave_link 2549the new (success) or old (failed) map position. In either case, $done will
1783 }; 2550be called at the end of this process.
1784 }
1785 },
1786 on_login => sub {
1787 my ($pl) = @_;
1788 2551
1789 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link;
1793 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED);
1800 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link;
1802 })->prio (2);
1803 }
1804 },
1805);
1806
1807=item $player_object->goto ($path, $x, $y)
1808
1809=cut 2552=cut
2553
2554our $GOTOGEN;
1810 2555
1811sub cf::object::player::goto { 2556sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 2557 my ($self, $path, $x, $y, $check, $done) = @_;
1813 2558
1814 $path = new cf::path $path; 2559 # do generation counting so two concurrent goto's will be executed in-order
1815 $path ne "/" or Carp::cluck ("oy");#d# 2560 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816 2561
1817 $self->enter_link; 2562 $self->enter_link;
1818 2563
1819 (async { 2564 (async {
1820 my $map = cf::map::find $path->as_string; 2565 $Coro::current->{desc} = "player::goto $path $x $y";
2566
2567 # *tag paths override both path and x|y
2568 if ($path =~ /^\*(.*)$/) {
2569 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2570 my $ob = $obs[rand @obs];
2571
2572 # see if we actually can go there
2573 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2574 $ob = $obs[rand @obs];
2575 } else {
2576 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2577 }
2578 # else put us there anyways for now #d#
2579
2580 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2581 } else {
2582 ($path, $x, $y) = (undef, undef, undef);
2583 }
2584 }
2585
2586 my $map = eval {
2587 my $map = defined $path ? cf::map::find $path : undef;
2588
2589 if ($map) {
1821 $map = $map->customise_for ($self) if $map; 2590 $map = $map->customise_for ($self);
1822 2591 $map = $check->($map) if $check && $map;
1823# warn "entering ", $map->path, " at ($x, $y)\n" 2592 } else {
1824# if $map;
1825
1826 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2593 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2594 }
1827 2595
2596 $map
2597 };
2598
2599 if ($@) {
2600 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2601 LOG llevError | logBacktrace, Carp::longmess $@;
2602 }
2603
2604 if ($gen == $self->{_goto_generation}) {
2605 delete $self->{_goto_generation};
1828 $self->leave_link ($map, $x, $y); 2606 $self->leave_link ($map, $x, $y);
2607 }
2608
2609 $done->() if $done;
1829 })->prio (1); 2610 })->prio (1);
1830} 2611}
1831 2612
1832=item $player_object->enter_exit ($exit_object) 2613=item $player_object->enter_exit ($exit_object)
1833 2614
… …
1835 2616
1836sub parse_random_map_params { 2617sub parse_random_map_params {
1837 my ($spec) = @_; 2618 my ($spec) = @_;
1838 2619
1839 my $rmp = { # defaults 2620 my $rmp = { # defaults
1840 xsize => 10, 2621 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 2622 ysize => (cf::rndm 15, 40),
2623 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2624 #layout => string,
1842 }; 2625 };
1843 2626
1844 for (split /\n/, $spec) { 2627 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 2628 my ($k, $v) = split /\s+/, $_, 2;
1846 2629
… …
1850 $rmp 2633 $rmp
1851} 2634}
1852 2635
1853sub prepare_random_map { 2636sub prepare_random_map {
1854 my ($exit) = @_; 2637 my ($exit) = @_;
2638
2639 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 2640
1856 # all this does is basically replace the /! path by 2641 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 2642 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 2643 # that depends on the exit object
1859 2644
1860 my $rmp = parse_random_map_params $exit->msg; 2645 my $rmp = parse_random_map_params $exit->msg;
1861 2646
1862 if ($exit->map) { 2647 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 2648 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 2649 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 2650 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
1867 } 2652 }
1868 2653
1869 $rmp->{random_seed} ||= $exit->random_seed; 2654 $rmp->{random_seed} ||= $exit->random_seed;
1870 2655
1871 my $data = cf::to_json $rmp; 2656 my $data = cf::encode_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 2657 my $md5 = Digest::MD5::md5_hex $data;
2658 my $meta = "$RANDOMDIR/$md5.meta";
1873 2659
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2660 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 2661 aio_write $fh, 0, (length $data), $data, 0;
2662 undef $fh;
2663 aio_rename "$meta~", $meta;
1876 2664
1877 $exit->slaying ("?random/$md5"); 2665 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 2666 $exit->msg (undef);
1879 } 2667 }
1880} 2668}
… …
1882sub cf::object::player::enter_exit { 2670sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 2671 my ($self, $exit) = @_;
1884 2672
1885 return unless $self->type == cf::PLAYER; 2673 return unless $self->type == cf::PLAYER;
1886 2674
2675 if ($exit->slaying eq "/!") {
2676 #TODO: this should de-fi-ni-te-ly not be a sync-job
2677 # the problem is that $exit might not survive long enough
2678 # so it needs to be done right now, right here
2679 cf::sync_job { prepare_random_map $exit };
2680 }
2681
2682 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2683 my $hp = $exit->stats->hp;
2684 my $sp = $exit->stats->sp;
2685
1887 $self->enter_link; 2686 $self->enter_link;
1888 2687
2688 # if exit is damned, update players death & WoR home-position
2689 $self->contr->savebed ($slaying, $hp, $sp)
2690 if $exit->flag (FLAG_DAMNED);
2691
1889 (async { 2692 (async {
2693 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2694
1890 $self->deactivate_recursive; # just to be sure 2695 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 2696 unless (eval {
1892 prepare_random_map $exit 2697 $self->goto ($slaying, $hp, $sp);
1893 if $exit->slaying eq "/!";
1894
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 2698
1898 1; 2699 1;
1899 }) { 2700 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 2701 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 2702 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 2703 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 2704 cf::NDI_UNIQUE | cf::NDI_RED);
1904 2705
1905 warn "ERROR in enter_exit: $@"; 2706 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 2707 $self->leave_link;
1907 } 2708 }
1908 })->prio (1); 2709 })->prio (1);
… …
1921 2722
1922sub cf::client::send_drawinfo { 2723sub cf::client::send_drawinfo {
1923 my ($self, $text, $flags) = @_; 2724 my ($self, $text, $flags) = @_;
1924 2725
1925 utf8::encode $text; 2726 utf8::encode $text;
1926 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2727 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927} 2728}
1928 2729
2730=item $client->send_msg ($channel, $msg, $color, [extra...])
2731
2732Send a drawinfo or msg packet to the client, formatting the msg for the
2733client if neccessary. C<$type> should be a string identifying the type of
2734the message, with C<log> being the default. If C<$color> is negative, suppress
2735the message unless the client supports the msg packet.
2736
2737=cut
2738
2739# non-persistent channels (usually the info channel)
2740our %CHANNEL = (
2741 "c/identify" => {
2742 id => "infobox",
2743 title => "Identify",
2744 reply => undef,
2745 tooltip => "Items recently identified",
2746 },
2747 "c/examine" => {
2748 id => "infobox",
2749 title => "Examine",
2750 reply => undef,
2751 tooltip => "Signs and other items you examined",
2752 },
2753 "c/book" => {
2754 id => "infobox",
2755 title => "Book",
2756 reply => undef,
2757 tooltip => "The contents of a note or book",
2758 },
2759 "c/lookat" => {
2760 id => "infobox",
2761 title => "Look",
2762 reply => undef,
2763 tooltip => "What you saw there",
2764 },
2765 "c/who" => {
2766 id => "infobox",
2767 title => "Players",
2768 reply => undef,
2769 tooltip => "Shows players who are currently online",
2770 },
2771 "c/body" => {
2772 id => "infobox",
2773 title => "Body Parts",
2774 reply => undef,
2775 tooltip => "Shows which body parts you posess and are available",
2776 },
2777 "c/uptime" => {
2778 id => "infobox",
2779 title => "Uptime",
2780 reply => undef,
2781 tooltip => "How long the server has been running since last restart",
2782 },
2783 "c/mapinfo" => {
2784 id => "infobox",
2785 title => "Map Info",
2786 reply => undef,
2787 tooltip => "Information related to the maps",
2788 },
2789);
2790
2791sub cf::client::send_msg {
2792 my ($self, $channel, $msg, $color, @extra) = @_;
2793
2794 $msg = $self->pl->expand_cfpod ($msg);
2795
2796 $color &= cf::NDI_CLIENT_MASK; # just in case...
2797
2798 # check predefined channels, for the benefit of C
2799 if ($CHANNEL{$channel}) {
2800 $channel = $CHANNEL{$channel};
2801
2802 $self->ext_msg (channel_info => $channel)
2803 if $self->can_msg;
2804
2805 $channel = $channel->{id};
2806
2807 } elsif (ref $channel) {
2808 # send meta info to client, if not yet sent
2809 unless (exists $self->{channel}{$channel->{id}}) {
2810 $self->{channel}{$channel->{id}} = $channel;
2811 $self->ext_msg (channel_info => $channel)
2812 if $self->can_msg;
2813 }
2814
2815 $channel = $channel->{id};
2816 }
2817
2818 return unless @extra || length $msg;
2819
2820 if ($self->can_msg) {
2821 # default colour, mask it out
2822 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2823 if $color & cf::NDI_DEF;
2824
2825 $self->send_packet ("msg " . $self->{json_coder}->encode (
2826 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2827 } else {
2828 if ($color >= 0) {
2829 # replace some tags by gcfclient-compatible ones
2830 for ($msg) {
2831 1 while
2832 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2833 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2834 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2835 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2836 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2837 }
2838
2839 $color &= cf::NDI_COLOR_MASK;
2840
2841 utf8::encode $msg;
2842
2843 if (0 && $msg =~ /\[/) {
2844 # COMMAND/INFO
2845 $self->send_packet ("drawextinfo $color 10 8 $msg")
2846 } else {
2847 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2848 $self->send_packet ("drawinfo $color $msg")
2849 }
2850 }
2851 }
2852}
2853
2854=item $client->ext_msg ($type, @msg)
2855
2856Sends an ext event to the client.
2857
2858=cut
2859
2860sub cf::client::ext_msg($$@) {
2861 my ($self, $type, @msg) = @_;
2862
2863 if ($self->extcmd == 2) {
2864 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2865 } elsif ($self->extcmd == 1) { # TODO: remove
2866 push @msg, msgtype => "event_$type";
2867 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2868 }
2869}
2870
2871=item $client->ext_reply ($msgid, @msg)
2872
2873Sends an ext reply to the client.
2874
2875=cut
2876
2877sub cf::client::ext_reply($$@) {
2878 my ($self, $id, @msg) = @_;
2879
2880 if ($self->extcmd == 2) {
2881 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2882 } elsif ($self->extcmd == 1) {
2883 #TODO: version 1, remove
2884 unshift @msg, msgtype => "reply", msgid => $id;
2885 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2886 }
2887}
1929 2888
1930=item $success = $client->query ($flags, "text", \&cb) 2889=item $success = $client->query ($flags, "text", \&cb)
1931 2890
1932Queues a query to the client, calling the given callback with 2891Queues a query to the client, calling the given callback with
1933the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2892the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2893C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935 2894
1936Queries can fail, so check the return code. Or don't, as queries will become 2895Queries can fail, so check the return code. Or don't, as queries will
1937reliable at some point in the future. 2896become reliable at some point in the future.
1938 2897
1939=cut 2898=cut
1940 2899
1941sub cf::client::query { 2900sub cf::client::query {
1942 my ($self, $flags, $text, $cb) = @_; 2901 my ($self, $flags, $text, $cb) = @_;
… …
1950 utf8::encode $text; 2909 utf8::encode $text;
1951 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2910 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952 2911
1953 $self->send_packet ($self->{query_queue}[0][0]) 2912 $self->send_packet ($self->{query_queue}[0][0])
1954 if @{ $self->{query_queue} } == 1; 2913 if @{ $self->{query_queue} } == 1;
2914
2915 1
1955} 2916}
1956 2917
1957cf::client->attach ( 2918cf::client->attach (
2919 on_connect => sub {
2920 my ($ns) = @_;
2921
2922 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2923 },
1958 on_reply => sub { 2924 on_reply => sub {
1959 my ($ns, $msg) = @_; 2925 my ($ns, $msg) = @_;
1960 2926
1961 # this weird shuffling is so that direct followup queries 2927 # this weird shuffling is so that direct followup queries
1962 # get handled first 2928 # get handled first
1963 my $queue = delete $ns->{query_queue} 2929 my $queue = delete $ns->{query_queue}
1964 or return; # be conservative, not sure how that can happen, but we saw a crash here 2930 or return; # be conservative, not sure how that can happen, but we saw a crash here
1965 2931
1966 (shift @$queue)->[1]->($msg); 2932 (shift @$queue)->[1]->($msg);
2933 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2934
1968 push @{ $ns->{query_queue} }, @$queue; 2935 push @{ $ns->{query_queue} }, @$queue;
1969 2936
1970 if (@{ $ns->{query_queue} } == @$queue) { 2937 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2938 if (@$queue) {
… …
1973 } else { 2940 } else {
1974 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2941 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975 } 2942 }
1976 } 2943 }
1977 }, 2944 },
2945 on_exticmd => sub {
2946 my ($ns, $buf) = @_;
2947
2948 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2949
2950 if (ref $msg) {
2951 my ($type, $reply, @payload) =
2952 "ARRAY" eq ref $msg
2953 ? @$msg
2954 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2955
2956 my @reply;
2957
2958 if (my $cb = $EXTICMD{$type}) {
2959 @reply = $cb->($ns, @payload);
2960 }
2961
2962 $ns->ext_reply ($reply, @reply)
2963 if $reply;
2964
2965 } else {
2966 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2967 }
2968
2969 cf::override;
2970 },
1978); 2971);
1979 2972
1980=item $client->async (\&cb) 2973=item $client->async (\&cb)
1981 2974
1982Create a new coroutine, running the specified callback. The coroutine will 2975Create a new coroutine, running the specified callback. The coroutine will
… …
2023our $safe = new Safe "safe"; 3016our $safe = new Safe "safe";
2024our $safe_hole = new Safe::Hole; 3017our $safe_hole = new Safe::Hole;
2025 3018
2026$SIG{FPE} = 'IGNORE'; 3019$SIG{FPE} = 'IGNORE';
2027 3020
2028$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3021$safe->permit_only (Opcode::opset qw(
3022 :base_core :base_mem :base_orig :base_math
3023 grepstart grepwhile mapstart mapwhile
3024 sort time
3025));
2029 3026
2030# here we export the classes and methods available to script code 3027# here we export the classes and methods available to script code
2031 3028
2032=pod 3029=pod
2033 3030
2034The following fucntions and emthods are available within a safe environment: 3031The following functions and methods are available within a safe environment:
2035 3032
2036 cf::object contr pay_amount pay_player map 3033 cf::object
3034 contr pay_amount pay_player map x y force_find force_add destroy
3035 insert remove name archname title slaying race decrease_ob_nr
3036
2037 cf::object::player player 3037 cf::object::player
2038 cf::player peaceful 3038 player
2039 cf::map trigger 3039
3040 cf::player
3041 peaceful
3042
3043 cf::map
3044 trigger
2040 3045
2041=cut 3046=cut
2042 3047
2043for ( 3048for (
2044 ["cf::object" => qw(contr pay_amount pay_player map)], 3049 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3050 insert remove inv name archname title slaying race
3051 decrease_ob_nr destroy)],
2045 ["cf::object::player" => qw(player)], 3052 ["cf::object::player" => qw(player)],
2046 ["cf::player" => qw(peaceful)], 3053 ["cf::player" => qw(peaceful)],
2047 ["cf::map" => qw(trigger)], 3054 ["cf::map" => qw(trigger)],
2048) { 3055) {
2049 no strict 'refs'; 3056 no strict 'refs';
… …
2120=back 3127=back
2121 3128
2122=cut 3129=cut
2123 3130
2124############################################################################# 3131#############################################################################
3132# the server's init and main functions
2125 3133
2126=head2 EXTENSION DATABASE SUPPORT 3134sub load_facedata($) {
3135 my ($path) = @_;
2127 3136
2128Crossfire maintains a very simple database for extension use. It can 3137 # HACK to clear player env face cache, we need some signal framework
2129currently store anything that can be serialised using Storable, which 3138 # for this (global event?)
2130excludes objects. 3139 %ext::player_env::MUSIC_FACE_CACHE = ();
2131 3140
2132The parameter C<$family> should best start with the name of the extension 3141 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133using it, it should be unique.
2134 3142
2135=over 4 3143 warn "loading facedata from $path\n";
2136 3144
2137=item $hashref = cf::db_get $family 3145 my $facedata;
3146 0 < aio_load $path, $facedata
3147 or die "$path: $!";
2138 3148
2139Return a hashref for use by the extension C<$family>, which can be 3149 $facedata = Coro::Storable::thaw $facedata;
2140modified. After modifications, you have to call C<cf::db_dirty> or
2141C<cf::db_sync>.
2142 3150
2143=item $value = cf::db_get $family => $key 3151 $facedata->{version} == 2
3152 or cf::cleanup "$path: version mismatch, cannot proceed.";
2144 3153
2145Returns a single value from the database 3154 # patch in the exptable
2146 3155 $facedata->{resource}{"res/exp_table"} = {
2147=item cf::db_put $family => $hashref 3156 type => FT_RSRC,
2148 3157 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149Stores the given family hashref into the database. Updates are delayed, if
2150you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152=item cf::db_put $family => $key => $value
2153
2154Stores the given C<$value> in the family hash. Updates are delayed, if you
2155want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157=item cf::db_dirty
2158
2159Marks the database as dirty, to be updated at a later time.
2160
2161=item cf::db_sync
2162
2163Immediately write the database to disk I<if it is dirty>.
2164
2165=cut
2166
2167our $DB;
2168
2169{
2170 my $path = cf::localdir . "/database.pst";
2171
2172 sub db_load() {
2173 $DB = stat $path ? Storable::retrieve $path : { };
2174 }
2175
2176 my $pid;
2177
2178 sub db_save() {
2179 waitpid $pid, 0 if $pid;
2180 if (0 == ($pid = fork)) {
2181 $DB->{_meta}{version} = 1;
2182 Storable::nstore $DB, "$path~";
2183 rename "$path~", $path;
2184 cf::_exit 0 if defined $pid;
2185 }
2186 }
2187
2188 my $dirty;
2189
2190 sub db_sync() {
2191 db_save if $dirty;
2192 undef $dirty;
2193 }
2194
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196 db_sync;
2197 }); 3158 };
3159 cf::cede_to_tick;
2198 3160
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 } 3161 {
3162 my $faces = $facedata->{faceinfo};
2203 3163
2204 sub db_get($;$) { 3164 while (my ($face, $info) = each %$faces) {
2205 @_ >= 2 3165 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206 ? $DB->{$_[0]}{$_[1]}
2207 : ($DB->{$_[0]} ||= { })
2208 }
2209 3166
2210 sub db_put($$;$) { 3167 cf::face::set_visibility $idx, $info->{visibility};
2211 if (@_ >= 3) { 3168 cf::face::set_magicmap $idx, $info->{magicmap};
2212 $DB->{$_[0]}{$_[1]} = $_[2]; 3169 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2213 } else { 3170 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214 $DB->{$_[0]} = $_[1];
2215 }
2216 db_dirty;
2217 }
2218 3171
2219 cf::global->attach ( 3172 cf::cede_to_tick;
2220 prio => 10000,
2221 on_cleanup => sub {
2222 db_sync;
2223 }, 3173 }
2224 );
2225}
2226 3174
2227############################################################################# 3175 while (my ($face, $info) = each %$faces) {
2228# the server's main() 3176 next unless $info->{smooth};
2229 3177
2230sub cfg_load { 3178 my $idx = cf::face::find $face
3179 or next;
3180
3181 if (my $smooth = cf::face::find $info->{smooth}) {
3182 cf::face::set_smooth $idx, $smooth;
3183 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3184 } else {
3185 warn "smooth face '$info->{smooth}' not found for face '$face'";
3186 }
3187
3188 cf::cede_to_tick;
3189 }
3190 }
3191
3192 {
3193 my $anims = $facedata->{animinfo};
3194
3195 while (my ($anim, $info) = each %$anims) {
3196 cf::anim::set $anim, $info->{frames}, $info->{facings};
3197 cf::cede_to_tick;
3198 }
3199
3200 cf::anim::invalidate_all; # d'oh
3201 }
3202
3203 {
3204 # TODO: for gcfclient pleasure, we should give resources
3205 # that gcfclient doesn't grok a >10000 face index.
3206 my $res = $facedata->{resource};
3207
3208 while (my ($name, $info) = each %$res) {
3209 if (defined $info->{type}) {
3210 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3211 my $data;
3212
3213 if ($info->{type} & 1) {
3214 # prepend meta info
3215
3216 my $meta = $enc->encode ({
3217 name => $name,
3218 %{ $info->{meta} || {} },
3219 });
3220
3221 $data = pack "(w/a*)*", $meta, $info->{data};
3222 } else {
3223 $data = $info->{data};
3224 }
3225
3226 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3227 cf::face::set_type $idx, $info->{type};
3228 } else {
3229 $RESOURCE{$name} = $info;
3230 }
3231
3232 cf::cede_to_tick;
3233 }
3234 }
3235
3236 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3237
3238 1
3239}
3240
3241cf::global->attach (on_resource_update => sub {
3242 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3243 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3244
3245 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3246 my $sound = $soundconf->{compat}[$_]
3247 or next;
3248
3249 my $face = cf::face::find "sound/$sound->[1]";
3250 cf::sound::set $sound->[0] => $face;
3251 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3252 }
3253
3254 while (my ($k, $v) = each %{$soundconf->{event}}) {
3255 my $face = cf::face::find "sound/$v";
3256 cf::sound::set $k => $face;
3257 }
3258 }
3259});
3260
3261register_exticmd fx_want => sub {
3262 my ($ns, $want) = @_;
3263
3264 while (my ($k, $v) = each %$want) {
3265 $ns->fx_want ($k, $v);
3266 }
3267};
3268
3269sub reload_regions {
3270 # HACK to clear player env face cache, we need some signal framework
3271 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = ();
3273
3274 load_resource_file "$MAPDIR/regions"
3275 or die "unable to load regions file\n";
3276
3277 for (cf::region::list) {
3278 $_->{match} = qr/$_->{match}/
3279 if exists $_->{match};
3280 }
3281}
3282
3283sub reload_facedata {
3284 load_facedata "$DATADIR/facedata"
3285 or die "unable to load facedata\n";
3286}
3287
3288sub reload_archetypes {
3289 load_resource_file "$DATADIR/archetypes"
3290 or die "unable to load archetypes\n";
3291 #d# NEED to laod twice to resolve forward references
3292 # this really needs to be done in an extra post-pass
3293 # (which needs to be synchronous, so solve it differently)
3294 load_resource_file "$DATADIR/archetypes"
3295 or die "unable to load archetypes\n";
3296}
3297
3298sub reload_treasures {
3299 load_resource_file "$DATADIR/treasures"
3300 or die "unable to load treasurelists\n";
3301}
3302
3303sub reload_resources {
3304 warn "reloading resource files...\n";
3305
3306 reload_regions;
3307 reload_facedata;
3308 #reload_archetypes;#d#
3309 reload_archetypes;
3310 reload_treasures;
3311
3312 warn "finished reloading resource files\n";
3313}
3314
3315sub init {
3316 reload_resources;
3317}
3318
3319sub reload_config {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 3320 open my $fh, "<:utf8", "$CONFDIR/config"
2232 or return; 3321 or return;
2233 3322
2234 local $/; 3323 local $/;
2235 *CFG = YAML::Syck::Load <$fh>; 3324 *CFG = YAML::Load <$fh>;
2236 3325
2237 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3326 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2238 3327
2239 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3328 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2240 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3329 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2250 3339
2251sub main { 3340sub main {
2252 # we must not ever block the main coroutine 3341 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 3342 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3343 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2255 async { Event::one_event }; 3344 (async {
3345 $Coro::current->{desc} = "IDLE BUG HANDLER";
3346 EV::loop EV::LOOP_ONESHOT;
3347 })->prio (Coro::PRIO_MAX);
2256 }; 3348 };
2257 3349
2258 cfg_load; 3350 reload_config;
2259 db_load; 3351 db_init;
2260 load_extensions; 3352 load_extensions;
3353
3354 $TICK_WATCHER->start;
3355 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2261 Event::loop; 3356 EV::loop;
2262} 3357}
2263 3358
2264############################################################################# 3359#############################################################################
2265# initialisation and cleanup 3360# initialisation and cleanup
2266 3361
2267# install some emergency cleanup handlers 3362# install some emergency cleanup handlers
2268BEGIN { 3363BEGIN {
3364 our %SIGWATCHER = ();
2269 for my $signal (qw(INT HUP TERM)) { 3365 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 3366 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2271 data => WF_AUTOCANCEL,
2272 signal => $signal,
2273 cb => sub {
2274 cf::cleanup "SIG$signal"; 3367 cf::cleanup "SIG$signal";
2275 },
2276 ); 3368 };
3369 }
3370}
3371
3372sub write_runtime {
3373 my $runtime = "$LOCALDIR/runtime";
3374
3375 # first touch the runtime file to show we are still running:
3376 # the fsync below can take a very very long time.
3377
3378 IO::AIO::aio_utime $runtime, undef, undef;
3379
3380 my $guard = cf::lock_acquire "write_runtime";
3381
3382 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3383 or return;
3384
3385 my $value = $cf::RUNTIME + 90 + 10;
3386 # 10 is the runtime save interval, for a monotonic clock
3387 # 60 allows for the watchdog to kill the server.
3388
3389 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3390 and return;
3391
3392 # always fsync - this file is important
3393 aio_fsync $fh
3394 and return;
3395
3396 # touch it again to show we are up-to-date
3397 aio_utime $fh, undef, undef;
3398
3399 close $fh
3400 or return;
3401
3402 aio_rename "$runtime~", $runtime
3403 and return;
3404
3405 warn "runtime file written.\n";
3406
2277 } 3407 1
2278} 3408}
2279 3409
2280sub emergency_save() { 3410sub emergency_save() {
2281 my $freeze_guard = cf::freeze_mainloop; 3411 my $freeze_guard = cf::freeze_mainloop;
2282 3412
2283 warn "enter emergency perl save\n"; 3413 warn "enter emergency perl save\n";
2284 3414
2285 cf::sync_job { 3415 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 3416 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 3417 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 3418 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 3419 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 3420 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 3421 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 3422 $pl->valid or next;
3423 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293 $pl->save; 3424 $pl->save;
2294 } 3425 }
2295 warn "end emergency player save\n"; 3426 warn "end emergency player save\n";
2296 3427
2297 warn "begin emergency map save\n"; 3428 warn "begin emergency map save\n";
… …
2299 my $map = $cf::MAP{$path} or next; 3430 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 3431 $map->valid or next;
2301 $map->save; 3432 $map->save;
2302 } 3433 }
2303 warn "end emergency map save\n"; 3434 warn "end emergency map save\n";
3435
3436 warn "begin emergency database checkpoint\n";
3437 BDB::db_env_txn_checkpoint $DB_ENV;
3438 warn "end emergency database checkpoint\n";
2304 }; 3439 };
2305 3440
2306 warn "leave emergency perl save\n"; 3441 warn "leave emergency perl save\n";
2307} 3442}
2308 3443
3444sub post_cleanup {
3445 my ($make_core) = @_;
3446
3447 warn Carp::longmess "post_cleanup backtrace"
3448 if $make_core;
3449}
3450
2309sub reload() { 3451sub do_reload_perl() {
2310 # can/must only be called in main 3452 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 3453 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 3454 warn "can only reload from main coroutine";
2313 return; 3455 return;
2314 } 3456 }
2315 3457
2316 warn "reloading..."; 3458 warn "reloading...";
2317 3459
2318 my $guard = freeze_mainloop; 3460 warn "entering sync_job";
3461
3462 cf::sync_job {
3463 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 3464 cf::emergency_save;
3465 cf::write_runtime; # external watchdog should not bark
2320 3466
2321 eval { 3467 warn "syncing database to disk";
3468 BDB::db_env_txn_checkpoint $DB_ENV;
3469
2322 # if anything goes wrong in here, we should simply crash as we already saved 3470 # if anything goes wrong in here, we should simply crash as we already saved
2323 3471
2324 # cancel all watchers 3472 warn "flushing outstanding aio requests";
2325 for (Event::all_watchers) { 3473 for (;;) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 3474 BDB::flush;
3475 IO::AIO::flush;
3476 Coro::cede_notself;
3477 last unless IO::AIO::nreqs || BDB::nreqs;
3478 warn "iterate...";
2327 } 3479 }
2328 3480
3481 ++$RELOAD;
3482
2329 # cancel all extension coros 3483 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 3484 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 3485 %EXT_CORO = ();
2332 3486
2333 # unload all extensions 3487 warn "removing commands";
2334 for (@exts) { 3488 %COMMAND = ();
3489
3490 warn "removing ext/exti commands";
3491 %EXTCMD = ();
3492 %EXTICMD = ();
3493
3494 warn "unloading/nuking all extensions";
3495 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 3496 warn "... unloading $pkg";
2336 unload_extension $_; 3497
3498 if (my $cb = $pkg->can ("unload")) {
3499 eval {
3500 $cb->($pkg);
3501 1
3502 } or warn "$pkg unloaded, but with errors: $@";
2337 } 3503 }
2338 3504
3505 warn "... nuking $pkg";
3506 Symbol::delete_package $pkg;
3507 }
3508
2339 # unload all modules loaded from $LIBDIR 3509 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 3510 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3511 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 3512
2343 warn "removing <$k>"; 3513 warn "... unloading $k";
2344 delete $INC{$k}; 3514 delete $INC{$k};
2345 3515
2346 $k =~ s/\.pm$//; 3516 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 3517 $k =~ s/\//::/g;
2348 3518
… …
2351 } 3521 }
2352 3522
2353 Symbol::delete_package $k; 3523 Symbol::delete_package $k;
2354 } 3524 }
2355 3525
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 3526 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 3527 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3528 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 3529
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 3530 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 3531 delete $INC{"cf.pm"};
3532 delete $INC{"cf/pod.pm"};
2369 3533
2370 # don't, removes xs symbols, too, 3534 # don't, removes xs symbols, too,
2371 # and global variables created in xs 3535 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 3536 #Symbol::delete_package __PACKAGE__;
2373 3537
2374 # reload cf.pm 3538 warn "unload completed, starting to reload now";
3539
2375 warn "reloading cf.pm"; 3540 warn "reloading cf.pm";
2376 require cf; 3541 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3542 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 3543
2379 # load config and database again 3544 warn "loading config and database again";
2380 cf::cfg_load; 3545 cf::reload_config;
2381 cf::db_load;
2382 3546
2383 # load extensions
2384 warn "load extensions"; 3547 warn "loading extensions";
2385 cf::load_extensions; 3548 cf::load_extensions;
2386 3549
2387 # reattach attachments to objects 3550 warn "reattaching attachments to objects/players";
2388 warn "reattach"; 3551 _global_reattach; # objects, sockets
2389 _global_reattach; 3552 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 3553 reattach $_ for values %MAP;
3554 warn "reattaching attachments to players";
3555 reattach $_ for values %PLAYER;
3556
3557 warn "leaving sync_job";
3558
3559 1
3560 } or do {
3561 warn $@;
3562 cf::cleanup "error while reloading, exiting.";
2391 }; 3563 };
2392 3564
2393 if ($@) { 3565 warn "reloaded";
2394 warn $@;
2395 warn "error while reloading, exiting.";
2396 exit 1;
2397 }
2398
2399 warn "reloaded successfully";
2400}; 3566};
2401 3567
2402############################################################################# 3568our $RELOAD_WATCHER; # used only during reload
2403 3569
2404unless ($LINK_MAP) { 3570sub reload_perl() {
2405 $LINK_MAP = cf::map::new; 3571 # doing reload synchronously and two reloads happen back-to-back,
3572 # coro crashes during coro_state_free->destroy here.
2406 3573
2407 $LINK_MAP->width (41); 3574 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2408 $LINK_MAP->height (41); 3575 do_reload_perl;
2409 $LINK_MAP->alloc; 3576 undef $RELOAD_WATCHER;
2410 $LINK_MAP->path ("{link}"); 3577 };
2411 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414 # dirty hack because... archetypes are not yet loaded
2415 Event->timer (
2416 after => 10,
2417 cb => sub {
2418 $_[0]->w->cancel;
2419
2420 # provide some exits "home"
2421 my $exit = cf::object::new "exit";
2422
2423 $exit->slaying ($EMERGENCY_POSITION->[0]);
2424 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427 $LINK_MAP->insert ($exit->clone, 19, 19);
2428 $LINK_MAP->insert ($exit->clone, 19, 20);
2429 $LINK_MAP->insert ($exit->clone, 19, 21);
2430 $LINK_MAP->insert ($exit->clone, 20, 19);
2431 $LINK_MAP->insert ($exit->clone, 20, 21);
2432 $LINK_MAP->insert ($exit->clone, 21, 19);
2433 $LINK_MAP->insert ($exit->clone, 21, 20);
2434 $LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436 $exit->destroy;
2437 });
2438
2439 $LINK_MAP->{deny_save} = 1;
2440 $LINK_MAP->{deny_reset} = 1;
2441
2442 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443} 3578}
2444
2445register "<global>", __PACKAGE__;
2446 3579
2447register_command "reload" => sub { 3580register_command "reload" => sub {
2448 my ($who, $arg) = @_; 3581 my ($who, $arg) = @_;
2449 3582
2450 if ($who->flag (FLAG_WIZ)) { 3583 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload.");
2452 reload;
2453 $who->message ("end of reload."); 3584 $who->message ("reloading server.");
3585 async {
3586 $Coro::current->{desc} = "perl_reload";
3587 reload_perl;
3588 };
2454 } 3589 }
2455}; 3590};
2456 3591
2457unshift @INC, $LIBDIR; 3592unshift @INC, $LIBDIR;
2458 3593
2459$TICK_WATCHER = Event->timer ( 3594my $bug_warning = 0;
2460 reentrant => 0, 3595
2461 prio => 0, 3596our @WAIT_FOR_TICK;
2462 at => $NEXT_TICK || $TICK, 3597our @WAIT_FOR_TICK_BEGIN;
2463 data => WF_AUTOCANCEL, 3598
2464 cb => sub { 3599sub wait_for_tick {
3600 return unless $TICK_WATCHER->is_active;
3601 return if $Coro::current == $Coro::main;
3602
3603 my $signal = new Coro::Signal;
3604 push @WAIT_FOR_TICK, $signal;
3605 $signal->wait;
3606}
3607
3608sub wait_for_tick_begin {
3609 return unless $TICK_WATCHER->is_active;
3610 return if $Coro::current == $Coro::main;
3611
3612 my $signal = new Coro::Signal;
3613 push @WAIT_FOR_TICK_BEGIN, $signal;
3614 $signal->wait;
3615}
3616
3617$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3618 if ($Coro::current != $Coro::main) {
3619 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3620 unless ++$bug_warning > 10;
3621 return;
3622 }
3623
3624 $NOW = $tick_start = EV::now;
3625
2465 cf::server_tick; # one server iteration 3626 cf::server_tick; # one server iteration
3627
2466 $RUNTIME += $TICK; 3628 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 3629 $NEXT_TICK = $_[0]->at;
2468 3630
2469 $WAIT_FOR_TICK->broadcast; 3631 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3632 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2471 3633 Coro::async_pool {
2472 # if we are delayed by four ticks or more, skip them all 3634 $Coro::current->{desc} = "runtime saver";
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474
2475 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start;
2477 },
2478);
2479
2480IO::AIO::max_poll_time $TICK * 0.2;
2481
2482Event->io (
2483 fd => IO::AIO::poll_fileno,
2484 poll => 'r',
2485 prio => 5,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL,
2492 after => 0,
2493 interval => 10,
2494 cb => sub {
2495 (Coro::unblock_sub {
2496 write_runtime 3635 write_runtime
2497 or warn "ERROR: unable to write runtime file: $!"; 3636 or warn "ERROR: unable to write runtime file: $!";
2498 })->(); 3637 };
2499 }, 3638 }
2500); 3639
3640 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3641 $sig->send;
3642 }
3643 while (my $sig = shift @WAIT_FOR_TICK) {
3644 $sig->send;
3645 }
3646
3647 $LOAD = ($NOW - $tick_start) / $TICK;
3648 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3649
3650 _post_tick;
3651};
3652$TICK_WATCHER->priority (EV::MAXPRI);
3653
3654{
3655 # configure BDB
3656
3657 BDB::min_parallel 8;
3658 BDB::max_poll_reqs $TICK * 0.1;
3659 $Coro::BDB::WATCHER->priority (1);
3660
3661 unless ($DB_ENV) {
3662 $DB_ENV = BDB::db_env_create;
3663 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3664 | BDB::LOG_AUTOREMOVE, 1);
3665 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3666 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3667
3668 cf::sync_job {
3669 eval {
3670 BDB::db_env_open
3671 $DB_ENV,
3672 $BDBDIR,
3673 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3674 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3675 0666;
3676
3677 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3678 };
3679
3680 cf::cleanup "db_env_open(db): $@" if $@;
3681 };
3682 }
3683
3684 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3685 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3686 };
3687 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3688 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3689 };
3690 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3691 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3692 };
3693}
3694
3695{
3696 # configure IO::AIO
3697
3698 IO::AIO::min_parallel 8;
3699 IO::AIO::max_poll_time $TICK * 0.1;
3700 $Coro::AIO::WATCHER->priority (1);
3701}
3702
3703my $_log_backtrace;
3704
3705sub _log_backtrace {
3706 my ($msg, @addr) = @_;
3707
3708 $msg =~ s/\n//;
3709
3710 # limit the # of concurrent backtraces
3711 if ($_log_backtrace < 2) {
3712 ++$_log_backtrace;
3713 async {
3714 $Coro::current->{desc} = "abt $msg";
3715
3716 my @bt = fork_call {
3717 @addr = map { sprintf "%x", $_ } @addr;
3718 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3719 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3720 or die "addr2line: $!";
3721
3722 my @funcs;
3723 my @res = <$fh>;
3724 chomp for @res;
3725 while (@res) {
3726 my ($func, $line) = splice @res, 0, 2, ();
3727 push @funcs, "[$func] $line";
3728 }
3729
3730 @funcs
3731 };
3732
3733 LOG llevInfo, "[ABT] $msg\n";
3734 LOG llevInfo, "[ABT] $_\n" for @bt;
3735 --$_log_backtrace;
3736 };
3737 } else {
3738 LOG llevInfo, "[ABT] $msg\n";
3739 LOG llevInfo, "[ABT] [suppressed]\n";
3740 }
3741}
3742
3743# load additional modules
3744use cf::pod;
2501 3745
2502END { cf::emergency_save } 3746END { cf::emergency_save }
2503 3747
25041 37481
2505 3749

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