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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 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 = ();
38 50
39our @EXTS = (); # list of extension package names 51our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 52our %EXTCMD = ();
53our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps
42 56
57our $RELOAD; # number of reloads so far
43our @EVENT; 58our @EVENT;
44our $LIBDIR = datadir . "/ext";
45 59
46our $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(!)
47our $TICK_WATCHER; 74our $TICK_WATCHER;
75our $AIO_POLL_WATCHER;
76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48our $NEXT_TICK; 77our $NEXT_TICK;
49our $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;
50 85
51our %CFG; 86our %CFG;
52 87
53our $UPTIME; $UPTIME ||= time; 88our $UPTIME; $UPTIME ||= time;
54our $RUNTIME; 89our $RUNTIME;
90our $NOW;
55 91
56our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
57our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
58our $LINK_MAP; # the special {link} map 94our $LINK_MAP; # the special {link} map, which is always available
59our $RANDOM_MAPS = cf::localdir . "/random";
60 95
61our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 96# used to convert map paths into valid unix filenames by replacing / by ∕
62our $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 $tick_start; # for load detecting purposes
63 102
64binmode STDOUT; 103binmode STDOUT;
65binmode STDERR; 104binmode STDERR;
66 105
67# read virtual server time, if available 106# read virtual server time, if available
68unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
70 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
71 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
72} 111}
73 112
74mkdir cf::localdir; 113mkdir $_
75mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76mkdir cf::localdir . "/" . cf::tmpdir;
77mkdir cf::localdir . "/" . cf::uniquedir;
78mkdir $RANDOM_MAPS;
79 115
80# a special map that is always available
81our $LINK_MAP;
82our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
117
118sub cf::map::normalise;
83 119
84############################################################################# 120#############################################################################
85 121
86=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
87 123
… …
94=item $cf::RUNTIME 130=item $cf::RUNTIME
95 131
96The 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
97every server tick. 133every server tick.
98 134
99=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
100 138
101The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
102be 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.
103 143
104=item $cf::NOW 144=item $cf::NOW
105 145
106The time of the last (current) server tick. 146The time of the last (current) server tick.
107 147
108=item $cf::TICK 148=item $cf::TICK
109 149
110The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
111 151
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
112=item %cf::CFG 162=item %cf::CFG
113 163
114Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115from wherever your confdir points to. 165from wherever your confdir points to.
116 166
117=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
118 168
119These 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
120or 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
121processing 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.
122window 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.
123 178
124=back 179=back
125 180
126=cut 181=cut
127 182
128BEGIN { 183BEGIN {
129 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
130 my $msg = join "", @_; 185 my $msg = join "", @_;
131 utf8::encode $msg;
132 186
133 $msg .= "\n" 187 $msg .= "\n"
134 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
135 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
136 LOG llevError, $msg; 192 LOG llevError, $msg;
137 }; 193 };
138} 194}
195
196$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#?
139 210
140@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 211@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 212@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 213@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 214@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144@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';
145@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)
146 218
147# 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
148# within the Safe compartment. 220# within the Safe compartment.
149for my $pkg (qw( 221for my $pkg (qw(
150 cf::global cf::attachable 222 cf::global cf::attachable
… …
155)) { 227)) {
156 no strict 'refs'; 228 no strict 'refs';
157 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 229 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158} 230}
159 231
160$Event::DIED = sub { 232$EV::DIED = sub {
161 warn "error in event callback: @_"; 233 warn "error in event callback: @_";
162}; 234};
235
236#############################################################################
163 237
164=head2 UTILITY FUNCTIONS 238=head2 UTILITY FUNCTIONS
165 239
166=over 4 240=over 4
167 241
… …
186 $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;
187 $d 261 $d
188 } || "[unable to dump $_[0]: '$@']"; 262 } || "[unable to dump $_[0]: '$@']";
189} 263}
190 264
191use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193=item $ref = cf::from_json $json 265=item $ref = cf::decode_json $json
194 266
195Converts a JSON string into the corresponding perl data structure. 267Converts a JSON string into the corresponding perl data structure.
196 268
197=cut
198
199sub from_json($) {
200 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201 JSON::Syck::Load $_[0]
202}
203
204=item $json = cf::to_json $ref 269=item $json = cf::encode_json $ref
205 270
206Converts a perl data structure into its JSON representation. 271Converts a perl data structure into its JSON representation.
207 272
208=cut 273=cut
209 274
210sub to_json($) { 275our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 276
212 JSON::Syck::Dump $_[0] 277sub encode_json($) { $json_coder->encode ($_[0]) }
213} 278sub decode_json($) { $json_coder->decode ($_[0]) }
214 279
215=item cf::lock_wait $string 280=item cf::lock_wait $string
216 281
217Wait until the given lock is available. See cf::lock_acquire. 282Wait until the given lock is available. See cf::lock_acquire.
218 283
… …
221Wait 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
222a 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,
223for example when the coroutine gets canceled), the lock is automatically 288for example when the coroutine gets canceled), the lock is automatically
224returned. 289returned.
225 290
291Locks are *not* recursive, locking from the same coro twice results in a
292deadlocked coro.
293
226Lock 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
227uses map_find and cf::map::load uses map_load). 295uses map_find and cf::map::load uses map_load).
228 296
297=item $locked = cf::lock_active $string
298
299Return true if the lock is currently active, i.e. somebody has locked it.
300
229=cut 301=cut
230 302
231our %LOCK; 303our %LOCK;
304our %LOCKER;#d#
232 305
233sub lock_wait($) { 306sub lock_wait($) {
234 my ($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#
235 313
236 # wait for lock, if any 314 # wait for lock, if any
237 while ($LOCK{$key}) { 315 while ($LOCK{$key}) {
238 push @{ $LOCK{$key} }, $Coro::current; 316 push @{ $LOCK{$key} }, $Coro::current;
239 Coro::schedule; 317 Coro::schedule;
… …
245 323
246 # wait, to be sure we are not locked 324 # wait, to be sure we are not locked
247 lock_wait $key; 325 lock_wait $key;
248 326
249 $LOCK{$key} = []; 327 $LOCK{$key} = [];
328 $LOCKER{$key} = $Coro::current;#d#
250 329
251 Coro::guard { 330 Coro::guard {
331 delete $LOCKER{$key};#d#
252 # wake up all waiters, to be on the safe side 332 # wake up all waiters, to be on the safe side
253 $_->ready for @{ delete $LOCK{$key} }; 333 $_->ready for @{ delete $LOCK{$key} };
254 } 334 }
255} 335}
256 336
337sub lock_active($) {
338 my ($key) = @_;
339
340 ! ! $LOCK{$key}
341}
342
257sub freeze_mainloop { 343sub freeze_mainloop {
258 return unless $TICK_WATCHER->is_active; 344 return unless $TICK_WATCHER->is_active;
259 345
260 my $guard = Coro::guard { $TICK_WATCHER->start }; 346 my $guard = Coro::guard {
347 $TICK_WATCHER->start;
348 };
261 $TICK_WATCHER->stop; 349 $TICK_WATCHER->stop;
262 $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 $sig->wait;
263} 424}
264 425
265=item cf::async { BLOCK } 426=item cf::async { BLOCK }
266 427
267Currently the same as Coro::async_pool, meaning you cannot use 428Currently the same as Coro::async_pool, meaning you cannot use
… …
272 433
273BEGIN { *async = \&Coro::async_pool } 434BEGIN { *async = \&Coro::async_pool }
274 435
275=item cf::sync_job { BLOCK } 436=item cf::sync_job { BLOCK }
276 437
277The design of crossfire+ requires that the main coro ($Coro::main) is 438The design of Deliantra requires that the main coroutine ($Coro::main)
278always able to handle events or runnable, as crossfire+ is only partly 439is always able to handle events or runnable, as Deliantra is only
279reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 440partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
441acceptable.
280 442
281If it must be done, put the blocking parts into C<sync_job>. This will run 443If it must be done, put the blocking parts into C<sync_job>. This will run
282the given BLOCK in another coroutine while waiting for the result. The 444the given BLOCK in another coroutine while waiting for the result. The
283server will be frozen during this time, so the block should either finish 445server will be frozen during this time, so the block should either finish
284fast or be very important. 446fast or be very important.
… …
287 449
288sub sync_job(&) { 450sub sync_job(&) {
289 my ($job) = @_; 451 my ($job) = @_;
290 452
291 if ($Coro::current == $Coro::main) { 453 if ($Coro::current == $Coro::main) {
454 my $time = EV::time;
455
292 # this is the main coro, too bad, we have to block 456 # this is the main coro, too bad, we have to block
293 # till the operation succeeds, freezing the server :/ 457 # till the operation succeeds, freezing the server :/
294 458
459 LOG llevError, Carp::longmess "sync job";#d#
460
295 # TODO: use suspend/resume instead 461 # TODO: use suspend/resume instead
296 # (but this is cancel-safe) 462 # (but this is cancel-safe)
297 my $freeze_guard = freeze_mainloop; 463 my $freeze_guard = freeze_mainloop;
298 464
299 my $busy = 1; 465 my $busy = 1;
300 my @res; 466 my @res;
301 467
302 (async { 468 (async {
469 $Coro::current->desc ("sync job coro");
303 @res = eval { $job->() }; 470 @res = eval { $job->() };
304 warn $@ if $@; 471 warn $@ if $@;
305 undef $busy; 472 undef $busy;
306 })->prio (Coro::PRIO_MAX); 473 })->prio (Coro::PRIO_MAX);
307 474
308 while ($busy) { 475 while ($busy) {
309 Coro::cede or Event::one_event; 476 if (Coro::nready) {
477 Coro::cede_notself;
478 } else {
479 EV::loop EV::LOOP_ONESHOT;
310 } 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
311 489
312 wantarray ? @res : $res[0] 490 wantarray ? @res : $res[0]
313 } else { 491 } else {
314 # we are in another coroutine, how wonderful, everything just works 492 # we are in another coroutine, how wonderful, everything just works
315 493
… …
335 $EXT_CORO{$coro+0} = $coro; 513 $EXT_CORO{$coro+0} = $coro;
336 514
337 $coro 515 $coro
338} 516}
339 517
340sub write_runtime { 518=item fork_call { }, $args
341 my $runtime = cf::localdir . "/runtime";
342 519
343 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 520Executes the given code block with the given arguments in a seperate
344 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.
345 524
346 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 525=cut
347 (aio_write $fh, 0, (length $value), $value, 0) <= 0
348 and return;
349 526
350 aio_fsync $fh 527sub fork_call(&@) {
351 and return; 528 my ($cb, @args) = @_;
352 529
353 close $fh 530 # we seemingly have to make a local copy of the whole thing,
354 or return; 531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
355 533
356 aio_rename "$runtime~", $runtime 534 my @res = Coro::Util::fork_eval {
357 and return; 535 reset_signals;
536 &$cb
537 }, @args;
358 538
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($$) {
584 my $key = "$_[0]/$_[1]";
585
586 cf::sync_job {
587 BDB::db_get $DB, undef, $key, my $data;
588
589 $! ? ()
590 : $data
359 1 591 }
592}
593
594sub db_put($$$) {
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 });
360} 678}
361 679
362=back 680=back
363 681
364=cut 682=cut
365
366#############################################################################
367
368package cf::path;
369
370use overload
371 '""' => \&as_string;
372
373# used to convert map paths into valid unix filenames by repalcing / by ∕
374our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376sub new {
377 my ($class, $path, $base) = @_;
378
379 $path = $path->as_string if ref $path;
380
381 my $self = bless { }, $class;
382
383 # {... are special paths that are not touched
384 # ?xxx/... are special absolute paths
385 # ?random/... random maps
386 # /! non-realised random map exit
387 # /... normal maps
388 # ~/... per-player maps without a specific player (DO NOT USE)
389 # ~user/... per-player map of a specific user
390
391 $path =~ s/$PATH_SEP/\//go;
392
393 if ($path =~ /^{/) {
394 # fine as it is
395 } elsif ($path =~ s{^\?random/}{}) {
396 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397 $self->{random} = cf::from_json $data;
398 } else {
399 if ($path =~ s{^~([^/]+)?}{}) {
400 $self->{user_rel} = 1;
401
402 if (defined $1) {
403 $self->{user} = $1;
404 } elsif ($base =~ m{^~([^/]+)/}) {
405 $self->{user} = $1;
406 } else {
407 warn "cannot resolve user-relative path without user <$path,$base>\n";
408 }
409 } elsif ($path =~ /^\//) {
410 # already absolute
411 } else {
412 $base =~ s{[^/]+/?$}{};
413 return $class->new ("$base/$path");
414 }
415
416 for ($path) {
417 redo if s{/\.?/}{/};
418 redo if s{/[^/]+/\.\./}{/};
419 }
420 }
421
422 $self->{path} = $path;
423
424 $self
425}
426
427# the name / primary key / in-game path
428sub as_string {
429 my ($self) = @_;
430
431 $self->{user_rel} ? "~$self->{user}$self->{path}"
432 : $self->{random} ? "?random/$self->{path}"
433 : $self->{path}
434}
435
436# the displayed name, this is a one way mapping
437sub visible_name {
438 my ($self) = @_;
439
440# if (my $rmp = $self->{random}) {
441# # todo: be more intelligent about this
442# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443# } else {
444 $self->as_string
445# }
446}
447
448# escape the /'s in the path
449sub _escaped_path {
450 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451 $path
452}
453
454# the original (read-only) location
455sub load_path {
456 my ($self) = @_;
457
458 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459}
460
461# the temporary/swap location
462sub save_path {
463 my ($self) = @_;
464
465 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468}
469
470# the unique path, might be eq to save_path
471sub uniq_path {
472 my ($self) = @_;
473
474 $self->{user_rel} || $self->{random}
475 ? undef
476 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477}
478
479# return random map parameters, or undef
480sub random_map_params {
481 my ($self) = @_;
482
483 $self->{random}
484}
485
486# this is somewhat ugly, but style maps do need special treatment
487sub is_style_map {
488 $_[0]{path} =~ m{^/styles/}
489}
490
491package cf;
492 683
493############################################################################# 684#############################################################################
494 685
495=head2 ATTACHABLE OBJECTS 686=head2 ATTACHABLE OBJECTS
496 687
… …
498attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
499to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
500 691
501In 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>
502C<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
503crossfire+). 694Deliantra).
504 695
505=over 4 696=over 4
506 697
507=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
508 699
… …
622our @CB_TYPE = (); # registry for type (cf-object class) based events 813our @CB_TYPE = (); # registry for type (cf-object class) based events
623our @CB_MAP = (); 814our @CB_MAP = ();
624 815
625my %attachment; 816my %attachment;
626 817
818sub cf::attachable::thawer_merge {
819 # simply override everything except _meta
820 local $_[0]{_meta};
821 %{$_[0]} = %{$_[1]};
822}
823
627sub _attach_cb($$$$) { 824sub _attach_cb($$$$) {
628 my ($registry, $event, $prio, $cb) = @_; 825 my ($registry, $event, $prio, $cb) = @_;
629 826
630 use sort 'stable'; 827 use sort 'stable';
631 828
… …
665 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
666 863
667 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
668 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
669 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
670 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671 868
672 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
673 my $pkg = shift @arg; 870 my $pkg = shift @arg;
674 871
675 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
… …
704 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
705 } 902 }
706 903
707 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
708 } else { 905 } else {
709 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
710 } 907 }
711 908
712 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
713} 910}
714 911
… …
716 if (ref $_[0]) { 913 if (ref $_[0]) {
717 _object_attach @_; 914 _object_attach @_;
718 } else { 915 } else {
719 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
720 } 917 }
918 _recalc_want;
721}; 919};
722 920
723# all those should be optimised 921# all those should be optimised
724sub cf::attachable::detach { 922sub cf::attachable::detach {
725 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
… …
728 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
729 reattach ($obj); 927 reattach ($obj);
730 } else { 928 } else {
731 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
732 } 930 }
931 _recalc_want;
733}; 932};
734 933
735sub cf::attachable::attached { 934sub cf::attachable::attached {
736 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
737 936
… …
752 "; 951 ";
753 die if $@; 952 die if $@;
754} 953}
755 954
756our $override; 955our $override;
757our @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?
758 957
759sub override { 958sub override {
760 $override = 1; 959 $override = 1;
761 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
762} 961}
763 962
764sub do_invoke { 963sub do_invoke {
765 my $event = shift; 964 my $event = shift;
766 my $callbacks = shift; 965 my $callbacks = shift;
767 966
768 @invoke_results = (); 967 @INVOKE_RESULTS = ();
769 968
770 local $override; 969 local $override;
771 970
772 for (@$callbacks) { 971 for (@$callbacks) {
773 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
… …
782 } 981 }
783 982
784 0 983 0
785} 984}
786 985
787=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788 987
789=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790 989
791Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
792 991
793This 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
794removed 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
795results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796 995
797=back 996=back
798 997
799=cut 998=cut
800 999
801############################################################################# 1000#############################################################################
802# object support 1001# object support
1002
1003sub _object_equal($$);
1004sub _object_equal($$) {
1005 my ($a, $b) = @_;
1006
1007 return 0 unless (ref $a) eq (ref $b);
1008
1009 if ("HASH" eq ref $a) {
1010 my @ka = keys %$a;
1011 my @kb = keys %$b;
1012
1013 return 0 if @ka != @kb;
1014
1015 for (0 .. $#ka) {
1016 return 0 unless $ka[$_] eq $kb[$_];
1017 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1018 }
1019
1020 } elsif ("ARRAY" eq ref $a) {
1021
1022 return 0 if @$a != @$b;
1023
1024 for (0 .. $#$a) {
1025 return 0 unless _object_equal $a->[$_], $b->[$_];
1026 }
1027
1028 } elsif ($a ne $b) {
1029 return 0;
1030 }
1031
1032 1
1033}
1034
1035our $SLOW_MERGES;#d#
1036sub _can_merge {
1037 my ($ob1, $ob2) = @_;
1038
1039 ++$SLOW_MERGES;#d#
1040
1041 # we do the slow way here
1042 return _object_equal $ob1, $ob2
1043}
803 1044
804sub reattach { 1045sub reattach {
805 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
806 my ($obj) = @_; 1047 my ($obj) = @_;
1048
1049 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807 1050
808 my $registry = $obj->registry; 1051 my $registry = $obj->registry;
809 1052
810 @$registry = (); 1053 @$registry = ();
811 1054
… …
826cf::attachable->attach ( 1069cf::attachable->attach (
827 prio => -1000000, 1070 prio => -1000000,
828 on_instantiate => sub { 1071 on_instantiate => sub {
829 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
830 1073
831 $data = from_json $data; 1074 $data = decode_json $data;
832 1075
833 for (@$data) { 1076 for (@$data) {
834 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
835 1078
836 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
… …
852sub object_freezer_save { 1095sub object_freezer_save {
853 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
854 1097
855 sync_job { 1098 sync_job {
856 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
857 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
858 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
859 1103
860 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
862 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863 aio_fsync $fh; 1107 aio_fsync $fh if $cf::USE_FSYNC;
864 close $fh; 1108 close $fh;
865 1109
866 if (@$objs) { 1110 if (@$objs) {
867 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) {
868 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
869 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
871 aio_fsync $fh; 1115 aio_fsync $fh if $cf::USE_FSYNC;
872 close $fh; 1116 close $fh;
873 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
874 } 1118 }
875 } else { 1119 } else {
876 aio_unlink "$filename.pst"; 1120 aio_unlink "$filename.pst";
… …
882 } 1126 }
883 } else { 1127 } else {
884 aio_unlink $filename; 1128 aio_unlink $filename;
885 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
886 } 1130 }
887 } 1131 };
888} 1132}
889 1133
890sub object_freezer_as_string { 1134sub object_freezer_as_string {
891 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
892 1136
… …
904 or return; 1148 or return;
905 1149
906 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
907 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
908 or return; 1152 or return;
1153
909 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
910 } 1156 }
911 1157
1158 utf8::decode (my $decname = $filename);
912 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
913 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
914 return ($data, $av); 1162 ($data, $av)
915} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
916 1170
917############################################################################# 1171#############################################################################
918# command handling &c 1172# command handling &c
919 1173
920=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
… …
933 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
934} 1188}
935 1189
936=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
937 1191
938Register 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.
939 1197
940If 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
941called. 1199called.
942 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
943=cut 1212=cut
944 1213
945sub register_extcmd { 1214sub register_extcmd {
946 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
947 1216
948 $EXTCMD{$name} = $cb; 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->($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 load_extension {
984 my ($path) = @_;
985
986 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
987 my $base = $1;
988 my $pkg = $1;
989 $pkg =~ s/[^[:word:]]/_/g;
990 $pkg = "ext::$pkg";
991
992 warn "loading '$path' into '$pkg'\n";
993
994 open my $fh, "<:utf8", $path
995 or die "$path: $!";
996
997 my $source =
998 "package $pkg; use strict; use utf8;\n"
999 . "#line 1 \"$path\"\n{\n"
1000 . (do { local $/; <$fh> })
1001 . "\n};\n1";
1002
1003 eval $source
1004 or die $@ ? "$path: $@\n"
1005 : "extension disabled.\n";
1006
1007 push @EXTS, $pkg;
1008}
1009
1010sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
1011 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
1012 next unless -r $ext; 1272 next unless -r $path;
1013 eval { 1273
1014 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 warn "mandatory extension failed to load, exiting.\n";
1322 exit 1;
1323 }
1324
1325 warn $msg;
1326 }
1327
1328 $done{$k} = delete $todo{$k};
1329 push @EXTS, $v->{pkg};
1330 $progress = 1;
1015 1 1331 }
1016 } or warn "$ext not loaded: $@"; 1332
1333 skip:
1334 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1335 unless $progress;
1336 }
1017 } 1337 };
1018} 1338}
1019 1339
1020############################################################################# 1340#############################################################################
1021# load/save/clean perl data associated with a map
1022 1341
1023*cf::mapsupport::on_clean = sub { 1342=back
1024 my ($map) = @_;
1025
1026 my $path = $map->tmpname;
1027 defined $path or return;
1028
1029 unlink "$path.pst";
1030};
1031
1032cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034#############################################################################
1035 1343
1036=head2 CORE EXTENSIONS 1344=head2 CORE EXTENSIONS
1037 1345
1038Functions and methods that extend core crossfire objects. 1346Functions and methods that extend core crossfire objects.
1039 1347
… …
1045 1353
1046=head3 cf::player 1354=head3 cf::player
1047 1355
1048=over 4 1356=over 4
1049 1357
1358=item cf::player::num_playing
1359
1360Returns the official number of playing players, as per the Crossfire metaserver rules.
1361
1362=cut
1363
1364sub num_playing {
1365 scalar grep
1366 $_->ob->map
1367 && !$_->hidden
1368 && !$_->ob->flag (cf::FLAG_WIZ),
1369 cf::player::list
1370}
1371
1050=item cf::player::find $login 1372=item cf::player::find $login
1051 1373
1052Returns the given player object, loading it if necessary (might block). 1374Returns the given player object, loading it if necessary (might block).
1053 1375
1054=cut 1376=cut
1055 1377
1056sub playerdir($) { 1378sub playerdir($) {
1057 cf::localdir 1379 "$PLAYERDIR/"
1058 . "/"
1059 . cf::playerdir
1060 . "/"
1061 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1380 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1062} 1381}
1063 1382
1064sub path($) { 1383sub path($) {
1065 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1384 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066 1385
1067 (playerdir $login) . "/$login.pl" 1386 (playerdir $login) . "/playerdata"
1068} 1387}
1069 1388
1070sub find_active($) { 1389sub find_active($) {
1071 $cf::PLAYER{$_[0]} 1390 $cf::PLAYER{$_[0]}
1072 and $cf::PLAYER{$_[0]}->active 1391 and $cf::PLAYER{$_[0]}->active
… …
1075 1394
1076sub exists($) { 1395sub exists($) {
1077 my ($login) = @_; 1396 my ($login) = @_;
1078 1397
1079 $cf::PLAYER{$login} 1398 $cf::PLAYER{$login}
1080 or cf::sync_job { !aio_stat $login } 1399 or cf::sync_job { !aio_stat path $login }
1081} 1400}
1082 1401
1083sub find($) { 1402sub find($) {
1084 return $cf::PLAYER{$_[0]} || do { 1403 return $cf::PLAYER{$_[0]} || do {
1085 my $login = $_[0]; 1404 my $login = $_[0];
1086 1405
1087 my $guard = cf::lock_acquire "user_find:$login"; 1406 my $guard = cf::lock_acquire "user_find:$login";
1088 1407
1089 $cf::PLAYER{$_[0]} || do { 1408 $cf::PLAYER{$_[0]} || do {
1090 my $pl = load_pl path $login 1409 # rename old playerfiles to new ones
1410 #TODO: remove when no longer required
1411 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1412 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1413 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1414 aio_unlink +(playerdir $login) . "/$login.pl";
1415
1416 my $f = new_from_file cf::object::thawer path $login
1091 or return; 1417 or return;
1418
1419 my $pl = cf::player::load_pl $f
1420 or return;
1421 local $cf::PLAYER_LOADING{$login} = $pl;
1422 $f->resolve_delayed_derefs;
1092 $cf::PLAYER{$login} = $pl 1423 $cf::PLAYER{$login} = $pl
1093 } 1424 }
1094 } 1425 }
1095} 1426}
1096 1427
… …
1106 1437
1107 aio_mkdir playerdir $pl, 0770; 1438 aio_mkdir playerdir $pl, 0770;
1108 $pl->{last_save} = $cf::RUNTIME; 1439 $pl->{last_save} = $cf::RUNTIME;
1109 1440
1110 $pl->save_pl ($path); 1441 $pl->save_pl ($path);
1111 Coro::cede; 1442 cf::cede_to_tick;
1112} 1443}
1113 1444
1114sub new($) { 1445sub new($) {
1115 my ($login) = @_; 1446 my ($login) = @_;
1116 1447
… …
1122 $cf::PLAYER{$login} = $self; 1453 $cf::PLAYER{$login} = $self;
1123 1454
1124 $self 1455 $self
1125} 1456}
1126 1457
1458=item $player->send_msg ($channel, $msg, $color, [extra...])
1459
1460=cut
1461
1462sub send_msg {
1463 my $ns = shift->ns
1464 or return;
1465 $ns->send_msg (@_);
1466}
1467
1127=item $pl->quit_character 1468=item $pl->quit_character
1128 1469
1129Nukes the player without looking back. If logged in, the connection will 1470Nukes the player without looking back. If logged in, the connection will
1130be destroyed. May block for a long time. 1471be destroyed. May block for a long time.
1131 1472
1132=cut 1473=cut
1133 1474
1134sub quit_character { 1475sub quit_character {
1135 my ($pl) = @_; 1476 my ($pl) = @_;
1477
1478 my $name = $pl->ob->name;
1136 1479
1137 $pl->{deny_save} = 1; 1480 $pl->{deny_save} = 1;
1138 $pl->password ("*"); # this should lock out the player until we nuked the dir 1481 $pl->password ("*"); # this should lock out the player until we nuked the dir
1139 1482
1140 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1483 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1145 my $path = playerdir $pl; 1488 my $path = playerdir $pl;
1146 my $temp = "$path~$cf::RUNTIME~deleting~"; 1489 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 aio_rename $path, $temp; 1490 aio_rename $path, $temp;
1148 delete $cf::PLAYER{$pl->ob->name}; 1491 delete $cf::PLAYER{$pl->ob->name};
1149 $pl->destroy; 1492 $pl->destroy;
1493
1494 my $prefix = qr<^~\Q$name\E/>;
1495
1496 # nuke player maps
1497 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1498
1150 IO::AIO::aio_rmtree $temp; 1499 IO::AIO::aio_rmtree $temp;
1500}
1501
1502=item $pl->kick
1503
1504Kicks a player out of the game. This destroys the connection.
1505
1506=cut
1507
1508sub kick {
1509 my ($pl, $kicker) = @_;
1510
1511 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1512 $pl->killer ("kicked");
1513 $pl->ns->destroy;
1151} 1514}
1152 1515
1153=item cf::player::list_logins 1516=item cf::player::list_logins
1154 1517
1155Returns am arrayref of all valid playernames in the system, can take a 1518Returns am arrayref of all valid playernames in the system, can take a
1156while and may block, so not sync_job-capable, ever. 1519while and may block, so not sync_job-capable, ever.
1157 1520
1158=cut 1521=cut
1159 1522
1160sub list_logins { 1523sub list_logins {
1161 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1524 my $dirs = aio_readdir $PLAYERDIR
1162 or return []; 1525 or return [];
1163 1526
1164 my @logins; 1527 my @logins;
1165 1528
1166 for my $login (@$dirs) { 1529 for my $login (@$dirs) {
1530 my $path = path $login;
1531
1532 # a .pst is a dead give-away for a valid player
1533 unless (-e "$path.pst") {
1167 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1534 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168 aio_read $fh, 0, 512, my $buf, 0 or next; 1535 aio_read $fh, 0, 512, my $buf, 0 or next;
1169 $buf !~ /^password -------------$/m or next; # official not-valid tag 1536 $buf !~ /^password -------------$/m or next; # official not-valid tag
1537 }
1170 1538
1171 utf8::decode $login; 1539 utf8::decode $login;
1172 push @logins, $login; 1540 push @logins, $login;
1173 } 1541 }
1174 1542
1175 \@logins 1543 \@logins
1176} 1544}
1177 1545
1178=item $player->maps 1546=item $player->maps
1179 1547
1180Returns an arrayref of cf::path's of all maps that are private for this 1548Returns an arrayref of map paths that are private for this
1181player. May block. 1549player. May block.
1182 1550
1183=cut 1551=cut
1184 1552
1185sub maps($) { 1553sub maps($) {
1186 my ($pl) = @_; 1554 my ($pl) = @_;
1555
1556 $pl = ref $pl ? $pl->ob->name : $pl;
1187 1557
1188 my $files = aio_readdir playerdir $pl 1558 my $files = aio_readdir playerdir $pl
1189 or return; 1559 or return;
1190 1560
1191 my @paths; 1561 my @paths;
… …
1193 for (@$files) { 1563 for (@$files) {
1194 utf8::decode $_; 1564 utf8::decode $_;
1195 next if /\.(?:pl|pst)$/; 1565 next if /\.(?:pl|pst)$/;
1196 next unless /^$PATH_SEP/o; 1566 next unless /^$PATH_SEP/o;
1197 1567
1198 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1568 push @paths, cf::map::normalise "~$pl/$_";
1199 } 1569 }
1200 1570
1201 \@paths 1571 \@paths
1202} 1572}
1203 1573
1574=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1575
1576Expand crossfire pod fragments into protocol xml.
1577
1578=cut
1579
1580use re 'eval';
1581
1582my $group;
1583my $interior; $interior = qr{
1584 # match a pod interior sequence sans C<< >>
1585 (?:
1586 \ (.*?)\ (?{ $group = $^N })
1587 | < (??{$interior}) >
1588 )
1589}x;
1590
1591sub expand_cfpod {
1592 my ($self, $pod) = @_;
1593
1594 my $xml;
1595
1596 while () {
1597 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1598 $group = $1;
1599
1600 $group =~ s/&/&amp;/g;
1601 $group =~ s/</&lt;/g;
1602
1603 $xml .= $group;
1604 } elsif ($pod =~ m%\G
1605 ([BCGHITU])
1606 <
1607 (?:
1608 ([^<>]*) (?{ $group = $^N })
1609 | < $interior >
1610 )
1611 >
1612 %gcsx
1613 ) {
1614 my ($code, $data) = ($1, $group);
1615
1616 if ($code eq "B") {
1617 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1618 } elsif ($code eq "I") {
1619 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1620 } elsif ($code eq "U") {
1621 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1622 } elsif ($code eq "C") {
1623 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1624 } elsif ($code eq "T") {
1625 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1626 } elsif ($code eq "G") {
1627 my ($male, $female) = split /\|/, $data;
1628 $data = $self->gender ? $female : $male;
1629 $xml .= expand_cfpod ($self, $data);
1630 } elsif ($code eq "H") {
1631 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1632 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1633 "")
1634 [$self->{hintmode}];
1635 } else {
1636 $xml .= "error processing '$code($data)' directive";
1637 }
1638 } else {
1639 if ($pod =~ /\G(.+)/) {
1640 warn "parse error while expanding $pod (at $1)";
1641 }
1642 last;
1643 }
1644 }
1645
1646 for ($xml) {
1647 # create single paragraphs (very hackish)
1648 s/(?<=\S)\n(?=\w)/ /g;
1649
1650 # compress some whitespace
1651 s/\s+\n/\n/g; # ws line-ends
1652 s/\n\n+/\n/g; # double lines
1653 s/^\n+//; # beginning lines
1654 s/\n+$//; # ending lines
1655 }
1656
1657 $xml
1658}
1659
1660no re 'eval';
1661
1662sub hintmode {
1663 $_[0]{hintmode} = $_[1] if @_ > 1;
1664 $_[0]{hintmode}
1665}
1666
1204=item $player->ext_reply ($msgid, $msgtype, %msg) 1667=item $player->ext_reply ($msgid, @msg)
1205 1668
1206Sends an ext reply to the player. 1669Sends an ext reply to the player.
1207 1670
1208=cut 1671=cut
1209 1672
1210sub ext_reply($$$%) { 1673sub ext_reply($$@) {
1211 my ($self, $id, %msg) = @_; 1674 my ($self, $id, @msg) = @_;
1212 1675
1213 $msg{msgid} = $id; 1676 $self->ns->ext_reply ($id, @msg)
1214
1215 $self->send ("ext " . cf::to_json \%msg);
1216} 1677}
1217 1678
1218package cf; 1679=item $player->ext_msg ($type, @msg)
1680
1681Sends an ext event to the client.
1682
1683=cut
1684
1685sub ext_msg($$@) {
1686 my ($self, $type, @msg) = @_;
1687
1688 $self->ns->ext_msg ($type, @msg);
1689}
1690
1691=head3 cf::region
1692
1693=over 4
1694
1695=cut
1696
1697package cf::region;
1698
1699=item cf::region::find_by_path $path
1700
1701Tries to decuce the likely region for a map knowing only its path.
1702
1703=cut
1704
1705sub find_by_path($) {
1706 my ($path) = @_;
1707
1708 my ($match, $specificity);
1709
1710 for my $region (list) {
1711 if ($region->{match} && $path =~ $region->{match}) {
1712 ($match, $specificity) = ($region, $region->specificity)
1713 if $region->specificity > $specificity;
1714 }
1715 }
1716
1717 $match
1718}
1219 1719
1220=back 1720=back
1221
1222 1721
1223=head3 cf::map 1722=head3 cf::map
1224 1723
1225=over 4 1724=over 4
1226 1725
… …
1229package cf::map; 1728package cf::map;
1230 1729
1231use Fcntl; 1730use Fcntl;
1232use Coro::AIO; 1731use Coro::AIO;
1233 1732
1733use overload
1734 '""' => \&as_string,
1735 fallback => 1;
1736
1234our $MAX_RESET = 3600; 1737our $MAX_RESET = 3600;
1235our $DEFAULT_RESET = 3000; 1738our $DEFAULT_RESET = 3000;
1236 1739
1237sub generate_random_map { 1740sub generate_random_map {
1238 my ($path, $rmp) = @_; 1741 my ($self, $rmp) = @_;
1239
1240 # mit "rum" bekleckern, nicht 1742 # mit "rum" bekleckern, nicht
1241 cf::map::_create_random_map 1743 $self->_create_random_map (
1242 $path,
1243 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1744 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1745 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1746 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246 $rmp->{exit_on_final_map}, 1747 $rmp->{exit_on_final_map},
1247 $rmp->{xsize}, $rmp->{ysize}, 1748 $rmp->{xsize}, $rmp->{ysize},
1248 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1749 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1750 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1751 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1752 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1753 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253 (cf::region::find $rmp->{region}) 1754 (cf::region::find $rmp->{region}), $rmp->{custom}
1755 )
1756}
1757
1758=item cf::map->register ($regex, $prio)
1759
1760Register a handler for the map path matching the given regex at the
1761givne priority (higher is better, built-in handlers have priority 0, the
1762default).
1763
1764=cut
1765
1766sub register {
1767 my (undef, $regex, $prio) = @_;
1768 my $pkg = caller;
1769
1770 no strict;
1771 push @{"$pkg\::ISA"}, __PACKAGE__;
1772
1773 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1774}
1775
1776# also paths starting with '/'
1777$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1778
1779sub thawer_merge {
1780 my ($self, $merge) = @_;
1781
1782 # we have to keep some variables in memory intact
1783 local $self->{path};
1784 local $self->{load_path};
1785
1786 $self->SUPER::thawer_merge ($merge);
1787}
1788
1789sub normalise {
1790 my ($path, $base) = @_;
1791
1792 $path = "$path"; # make sure its a string
1793
1794 $path =~ s/\.map$//;
1795
1796 # map plan:
1797 #
1798 # /! non-realised random map exit (special hack!)
1799 # {... are special paths that are not being touched
1800 # ?xxx/... are special absolute paths
1801 # ?random/... random maps
1802 # /... normal maps
1803 # ~user/... per-player map of a specific user
1804
1805 $path =~ s/$PATH_SEP/\//go;
1806
1807 # treat it as relative path if it starts with
1808 # something that looks reasonable
1809 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1810 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1811
1812 $base =~ s{[^/]+/?$}{};
1813 $path = "$base/$path";
1814 }
1815
1816 for ($path) {
1817 redo if s{//}{/};
1818 redo if s{/\.?/}{/};
1819 redo if s{/[^/]+/\.\./}{/};
1820 }
1821
1822 $path
1823}
1824
1825sub new_from_path {
1826 my (undef, $path, $base) = @_;
1827
1828 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1829
1830 $path = normalise $path, $base;
1831
1832 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1833 if ($path =~ $EXT_MAP{$pkg}[1]) {
1834 my $self = bless cf::map::new, $pkg;
1835 $self->{path} = $path; $self->path ($path);
1836 $self->init; # pass $1 etc.
1837 return $self;
1838 }
1839 }
1840
1841 Carp::cluck "unable to resolve path '$path' (base '$base').";
1842 ()
1843}
1844
1845sub init {
1846 my ($self) = @_;
1847
1848 $self
1849}
1850
1851sub as_string {
1852 my ($self) = @_;
1853
1854 "$self->{path}"
1855}
1856
1857# the displayed name, this is a one way mapping
1858sub visible_name {
1859 &as_string
1860}
1861
1862# the original (read-only) location
1863sub load_path {
1864 my ($self) = @_;
1865
1866 "$MAPDIR/$self->{path}.map"
1867}
1868
1869# the temporary/swap location
1870sub save_path {
1871 my ($self) = @_;
1872
1873 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1874 "$TMPDIR/$path.map"
1875}
1876
1877# the unique path, undef == no special unique path
1878sub uniq_path {
1879 my ($self) = @_;
1880
1881 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1882 "$UNIQUEDIR/$path"
1254} 1883}
1255 1884
1256# and all this just because we cannot iterate over 1885# and all this just because we cannot iterate over
1257# all maps in C++... 1886# all maps in C++...
1258sub change_all_map_light { 1887sub change_all_map_light {
… …
1260 1889
1261 $_->change_map_light ($change) 1890 $_->change_map_light ($change)
1262 for grep $_->outdoor, values %cf::MAP; 1891 for grep $_->outdoor, values %cf::MAP;
1263} 1892}
1264 1893
1894sub decay_objects {
1895 my ($self) = @_;
1896
1897 return if $self->{deny_reset};
1898
1899 $self->do_decay_objects;
1900}
1901
1902sub unlink_save {
1903 my ($self) = @_;
1904
1905 utf8::encode (my $save = $self->save_path);
1906 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1907 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1908}
1909
1265sub try_load_header($) { 1910sub load_header_from($) {
1266 my ($path) = @_; 1911 my ($self, $path) = @_;
1267 1912
1268 utf8::encode $path; 1913 utf8::encode $path;
1269 aio_open $path, O_RDONLY, 0 1914 my $f = new_from_file cf::object::thawer $path
1270 or return; 1915 or return;
1271 1916
1272 my $map = cf::map::new 1917 $self->_load_header ($f)
1273 or return; 1918 or return;
1274 1919
1275 # for better error messages only, will be overwritten 1920 local $MAP_LOADING{$self->{path}} = $self;
1276 $map->path ($path); 1921 $f->resolve_delayed_derefs;
1277 1922
1278 $map->load_header ($path) 1923 $self->{load_path} = $path;
1924
1925 1
1926}
1927
1928sub load_header_orig {
1929 my ($self) = @_;
1930
1931 $self->load_header_from ($self->load_path)
1932}
1933
1934sub load_header_temp {
1935 my ($self) = @_;
1936
1937 $self->load_header_from ($self->save_path)
1938}
1939
1940sub prepare_temp {
1941 my ($self) = @_;
1942
1943 $self->last_access ((delete $self->{last_access})
1944 || $cf::RUNTIME); #d#
1945 # safety
1946 $self->{instantiate_time} = $cf::RUNTIME
1947 if $self->{instantiate_time} > $cf::RUNTIME;
1948}
1949
1950sub prepare_orig {
1951 my ($self) = @_;
1952
1953 $self->{load_original} = 1;
1954 $self->{instantiate_time} = $cf::RUNTIME;
1955 $self->last_access ($cf::RUNTIME);
1956 $self->instantiate;
1957}
1958
1959sub load_header {
1960 my ($self) = @_;
1961
1962 if ($self->load_header_temp) {
1963 $self->prepare_temp;
1964 } else {
1965 $self->load_header_orig
1279 or return; 1966 or return;
1967 $self->prepare_orig;
1968 }
1280 1969
1281 $map->{load_path} = $path; 1970 $self->{deny_reset} = 1
1971 if $self->no_reset;
1282 1972
1283 $map 1973 $self->default_region (cf::region::find_by_path $self->{path})
1974 unless $self->default_region;
1975
1976 1
1284} 1977}
1285 1978
1286sub find; 1979sub find;
1287sub find { 1980sub find {
1288 my ($path, $origin) = @_; 1981 my ($path, $origin) = @_;
1289 1982
1290 #warn "find<$path,$origin>\n";#d#
1291
1292 $path = new cf::path $path, $origin && $origin->path; 1983 $path = normalise $path, $origin && $origin->path;
1293 my $key = $path->as_string;
1294 1984
1985 cf::lock_wait "map_data:$path";#d#remove
1295 cf::lock_wait "map_find:$key"; 1986 cf::lock_wait "map_find:$path";
1296 1987
1297 $cf::MAP{$key} || do { 1988 $cf::MAP{$path} || do {
1298 my $guard = cf::lock_acquire "map_find:$key"; 1989 my $guard1 = cf::lock_acquire "map_find:$path";
1990 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1299 1991
1300 # do it the slow way 1992 my $map = new_from_path cf::map $path
1301 my $map = try_load_header $path->save_path;
1302
1303 Coro::cede;
1304
1305 if ($map) {
1306 $map->last_access ((delete $map->{last_access})
1307 || $cf::RUNTIME); #d#
1308 # safety
1309 $map->{instantiate_time} = $cf::RUNTIME
1310 if $map->{instantiate_time} > $cf::RUNTIME;
1311 } else {
1312 if (my $rmp = $path->random_map_params) {
1313 $map = generate_random_map $key, $rmp;
1314 } else {
1315 $map = try_load_header $path->load_path;
1316 }
1317
1318 $map or return; 1993 or return;
1319 1994
1320 $map->{load_original} = 1;
1321 $map->{instantiate_time} = $cf::RUNTIME;
1322 $map->last_access ($cf::RUNTIME);
1323 $map->instantiate;
1324
1325 # per-player maps become, after loading, normal maps
1326 $map->per_player (0) if $path->{user_rel};
1327 }
1328
1329 $map->path ($key);
1330 $map->{path} = $path;
1331 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
1332 1996
1333 Coro::cede; 1997 $map->load_header
1998 or return;
1334 1999
1335 if ($map->should_reset) { 2000 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2001 # doing this can freeze the server in a sync job, obviously
2002 #$cf::WAIT_FOR_TICK->wait;
2003 undef $guard1;
2004 undef $guard2;
1336 $map->reset; 2005 $map->reset;
1337 undef $guard;
1338 $map = find $path 2006 return find $path;
1339 or return;
1340 } 2007 }
1341 2008
1342 $cf::MAP{$key} = $map 2009 $cf::MAP{$path} = $map
1343 } 2010 }
1344} 2011}
2012
2013sub pre_load { }
2014sub post_load { }
1345 2015
1346sub load { 2016sub load {
1347 my ($self) = @_; 2017 my ($self) = @_;
1348 2018
2019 local $self->{deny_reset} = 1; # loading can take a long time
2020
1349 my $path = $self->{path}; 2021 my $path = $self->{path};
2022
2023 {
1350 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2024 my $guard = cf::lock_acquire "map_data:$path";
1351 2025
2026 return unless $self->valid;
1352 return if $self->in_memory != cf::MAP_SWAPPED; 2027 return unless $self->in_memory == cf::MAP_SWAPPED;
1353 2028
1354 $self->in_memory (cf::MAP_LOADING); 2029 $self->in_memory (cf::MAP_LOADING);
1355 2030
1356 $self->alloc; 2031 $self->alloc;
1357 $self->load_objects ($self->{load_path}, 1) 2032
2033 $self->pre_load;
2034 cf::cede_to_tick;
2035
2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2037 $f->skip_block;
2038 $self->_load_objects ($f)
1358 or return; 2039 or return;
1359 2040
1360 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361 if delete $self->{load_original}; 2042 if delete $self->{load_original};
1362 2043
1363 if (my $uniq = $path->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
1364 utf8::encode $uniq; 2045 utf8::encode $uniq;
1365 if (aio_open $uniq, O_RDONLY, 0) { 2046 unless (aio_stat $uniq) {
2047 if (my $f = new_from_file cf::object::thawer $uniq) {
1366 $self->clear_unique_items; 2048 $self->clear_unique_items;
1367 $self->load_objects ($uniq, 0); 2049 $self->_load_objects ($f);
2050 $f->resolve_delayed_derefs;
2051 }
1368 } 2052 }
1369 } 2053 }
1370 2054
1371 Coro::cede; 2055 $f->resolve_delayed_derefs;
1372 2056
2057 cf::cede_to_tick;
1373 # now do the right thing for maps 2058 # now do the right thing for maps
1374 $self->link_multipart_objects; 2059 $self->link_multipart_objects;
1375
1376 if ($self->{path}->is_style_map) {
1377 $self->{deny_save} = 1;
1378 $self->{deny_reset} = 1;
1379 } else {
1380 $self->fix_auto_apply;
1381 $self->decay_objects;
1382 $self->update_buttons;
1383 $self->set_darkness_map;
1384 $self->difficulty ($self->estimate_difficulty) 2060 $self->difficulty ($self->estimate_difficulty)
1385 unless $self->difficulty; 2061 unless $self->difficulty;
2062 cf::cede_to_tick;
2063
2064 unless ($self->{deny_activate}) {
2065 $self->decay_objects;
2066 $self->fix_auto_apply;
2067 $self->update_buttons;
2068 cf::cede_to_tick;
2069 $self->set_darkness_map;
2070 cf::cede_to_tick;
1386 $self->activate; 2071 $self->activate;
1387 } 2072 }
1388 2073
1389 Coro::cede; 2074 $self->{last_save} = $cf::RUNTIME;
2075 $self->last_access ($cf::RUNTIME);
1390 2076
1391 $self->in_memory (cf::MAP_IN_MEMORY); 2077 $self->in_memory (cf::MAP_IN_MEMORY);
2078 }
2079
2080 $self->post_load;
2081}
2082
2083sub customise_for {
2084 my ($self, $ob) = @_;
2085
2086 return find "~" . $ob->name . "/" . $self->{path}
2087 if $self->per_player;
2088
2089# return find "?party/" . $ob->name . "/" . $self->{path}
2090# if $self->per_party;
2091
2092 $self
1392} 2093}
1393 2094
1394# find and load all maps in the 3x3 area around a map 2095# find and load all maps in the 3x3 area around a map
1395sub load_diag { 2096sub load_neighbours {
1396 my ($map) = @_; 2097 my ($map) = @_;
1397 2098
1398 my @diag; # diagonal neighbours 2099 my @neigh; # diagonal neighbours
1399 2100
1400 for (0 .. 3) { 2101 for (0 .. 3) {
1401 my $neigh = $map->tile_path ($_) 2102 my $neigh = $map->tile_path ($_)
1402 or next; 2103 or next;
1403 $neigh = find $neigh, $map 2104 $neigh = find $neigh, $map
1404 or next; 2105 or next;
1405 $neigh->load; 2106 $neigh->load;
1406 2107
2108 push @neigh,
1407 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2109 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1408 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2110 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1409 } 2111 }
1410 2112
1411 for (@diag) { 2113 for (grep defined $_->[0], @neigh) {
2114 my ($path, $origin) = @$_;
1412 my $neigh = find @$_ 2115 my $neigh = find $path, $origin
1413 or next; 2116 or next;
1414 $neigh->load; 2117 $neigh->load;
1415 } 2118 }
1416} 2119}
1417 2120
… …
1422} 2125}
1423 2126
1424sub do_load_sync { 2127sub do_load_sync {
1425 my ($map) = @_; 2128 my ($map) = @_;
1426 2129
2130 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2131 if $Coro::current == $Coro::main;
2132
1427 cf::sync_job { $map->load }; 2133 cf::sync_job { $map->load };
1428} 2134}
1429 2135
1430our %MAP_PREFETCH; 2136our %MAP_PREFETCH;
2137our $MAP_PREFETCHER = undef;
2138
2139sub find_async {
2140 my ($path, $origin, $load) = @_;
2141
2142 $path = normalise $path, $origin && $origin->{path};
2143
2144 if (my $map = $cf::MAP{$path}) {
2145 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2146 }
2147
2148 $MAP_PREFETCH{$path} |= $load;
2149
1431our $MAP_PREFETCHER = Coro::async { 2150 $MAP_PREFETCHER ||= cf::async {
1432 while () { 2151 $Coro::current->{desc} = "map prefetcher";
2152
1433 while (%MAP_PREFETCH) { 2153 while (%MAP_PREFETCH) {
1434 my $key = each %MAP_PREFETCH 2154 while (my ($k, $v) = each %MAP_PREFETCH) {
1435 or next; 2155 if (my $map = find $k) {
2156 $map->load if $v;
2157 }
2158
1436 my $path = delete $MAP_PREFETCH{$key}; 2159 delete $MAP_PREFETCH{$k};
1437
1438 my $map = find $path
1439 or next;
1440 $map->load;
1441 } 2160 }
1442 Coro::schedule; 2161 }
2162 undef $MAP_PREFETCHER;
1443 } 2163 };
1444};
1445
1446sub find_async {
1447 my ($path, $origin) = @_;
1448
1449 $path = new cf::path $path, $origin && $origin->path;
1450 my $key = $path->as_string;
1451
1452 if (my $map = $cf::MAP{$key}) {
1453 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454 }
1455
1456 $MAP_PREFETCH{$key} = $path;
1457 $MAP_PREFETCHER->ready; 2164 $MAP_PREFETCHER->prio (6);
1458 2165
1459 () 2166 ()
1460} 2167}
1461 2168
1462sub save { 2169sub save {
1463 my ($self) = @_; 2170 my ($self) = @_;
1464 2171
1465 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1466 2173
1467 $self->{last_save} = $cf::RUNTIME; 2174 $self->{last_save} = $cf::RUNTIME;
1468 2175
1469 return unless $self->dirty; 2176 return unless $self->dirty;
1470 2177
1471 my $save = $self->{path}->save_path; utf8::encode $save; 2178 my $save = $self->save_path; utf8::encode $save;
1472 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2179 my $uniq = $self->uniq_path; utf8::encode $uniq;
1473 2180
1474 $self->{load_path} = $save; 2181 $self->{load_path} = $save;
1475 2182
1476 return if $self->{deny_save}; 2183 return if $self->{deny_save};
1477 2184
1478 local $self->{last_access} = $self->last_access;#d# 2185 local $self->{last_access} = $self->last_access;#d#
1479 2186
1480 cf::async { 2187 cf::async {
2188 $Coro::current->{desc} = "map player save";
1481 $_->contr->save for $self->players; 2189 $_->contr->save for $self->players;
1482 }; 2190 };
1483 2191
1484 if ($uniq) { 2192 if ($uniq) {
1485 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2193 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486 $self->save_objects ($uniq, cf::IO_UNIQUES); 2194 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1487 } else { 2195 } else {
1488 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2196 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489 } 2197 }
1490} 2198}
1491 2199
1492sub swap_out { 2200sub swap_out {
1493 my ($self) = @_; 2201 my ($self) = @_;
1494 2202
1495 # save first because save cedes 2203 # save first because save cedes
1496 $self->save; 2204 $self->save;
1497 2205
1498 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1499 2207
1500 return if $self->players; 2208 return if $self->players;
1501 return if $self->in_memory != cf::MAP_IN_MEMORY; 2209 return if $self->in_memory != cf::MAP_IN_MEMORY;
1502 return if $self->{deny_save}; 2210 return if $self->{deny_save};
1503 2211
2212 $self->in_memory (cf::MAP_SWAPPED);
2213
2214 $self->deactivate;
2215 $_->clear_links_to ($self) for values %cf::MAP;
1504 $self->clear; 2216 $self->clear;
1505 $self->in_memory (cf::MAP_SWAPPED);
1506} 2217}
1507 2218
1508sub reset_at { 2219sub reset_at {
1509 my ($self) = @_; 2220 my ($self) = @_;
1510 2221
1511 # TODO: safety, remove and allow resettable per-player maps 2222 # TODO: safety, remove and allow resettable per-player maps
1512 return 1e99 if $self->{path}{user_rel};
1513 return 1e99 if $self->{deny_reset}; 2223 return 1e99 if $self->{deny_reset};
1514 2224
1515 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2225 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2226 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517 2227
… …
1522 my ($self) = @_; 2232 my ($self) = @_;
1523 2233
1524 $self->reset_at <= $cf::RUNTIME 2234 $self->reset_at <= $cf::RUNTIME
1525} 2235}
1526 2236
1527sub unlink_save {
1528 my ($self) = @_;
1529
1530 utf8::encode (my $save = $self->{path}->save_path);
1531 aioreq_pri 3; IO::AIO::aio_unlink $save;
1532 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533}
1534
1535sub rename {
1536 my ($self, $new_path) = @_;
1537
1538 $self->unlink_save;
1539
1540 delete $cf::MAP{$self->path};
1541 $self->{path} = new cf::path $new_path;
1542 $self->path ($self->{path}->as_string);
1543 $cf::MAP{$self->path} = $self;
1544
1545 $self->save;
1546}
1547
1548sub reset { 2237sub reset {
1549 my ($self) = @_; 2238 my ($self) = @_;
1550 2239
1551 my $lock = cf::lock_acquire "map_data:" . $self->path; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
1552 2241
1553 return if $self->players; 2242 return if $self->players;
1554 return if $self->{path}{user_rel};#d#
1555 2243
1556 warn "resetting map ", $self->path;#d# 2244 warn "resetting map ", $self->path;
2245
2246 $self->in_memory (cf::MAP_SWAPPED);
2247
2248 # need to save uniques path
2249 unless ($self->{deny_save}) {
2250 my $uniq = $self->uniq_path; utf8::encode $uniq;
2251
2252 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2253 if $uniq;
2254 }
1557 2255
1558 delete $cf::MAP{$self->path}; 2256 delete $cf::MAP{$self->path};
1559 2257
2258 $self->deactivate;
1560 $_->clear_links_to ($self) for values %cf::MAP; 2259 $_->clear_links_to ($self) for values %cf::MAP;
2260 $self->clear;
1561 2261
1562 $self->unlink_save; 2262 $self->unlink_save;
1563 $self->destroy; 2263 $self->destroy;
1564} 2264}
1565 2265
1566my $nuke_counter = "aaaa"; 2266my $nuke_counter = "aaaa";
1567 2267
1568sub nuke { 2268sub nuke {
1569 my ($self) = @_; 2269 my ($self) = @_;
1570 2270
2271 {
2272 my $lock = cf::lock_acquire "map_data:$self->{path}";
2273
2274 delete $cf::MAP{$self->path};
2275
2276 $self->unlink_save;
2277
2278 bless $self, "cf::map";
2279 delete $self->{deny_reset};
1571 $self->{deny_save} = 1; 2280 $self->{deny_save} = 1;
1572 $self->reset_timeout (1); 2281 $self->reset_timeout (1);
1573 $self->rename ("{nuke}/" . ($nuke_counter++)); 2282 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2283
2284 $cf::MAP{$self->path} = $self;
2285 }
2286
1574 $self->reset; # polite request, might not happen 2287 $self->reset; # polite request, might not happen
1575} 2288}
1576 2289
1577sub customise_for { 2290=item $maps = cf::map::tmp_maps
1578 my ($map, $ob) = @_;
1579 2291
1580 if ($map->per_player) { 2292Returns an arrayref with all map paths of currently instantiated and saved
1581 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2293maps. May block.
2294
2295=cut
2296
2297sub tmp_maps() {
1582 } 2298 [
2299 map {
2300 utf8::decode $_;
2301 /\.map$/
2302 ? normalise $_
2303 : ()
2304 } @{ aio_readdir $TMPDIR or [] }
2305 ]
2306}
1583 2307
1584 $map 2308=item $maps = cf::map::random_maps
2309
2310Returns an arrayref with all map paths of currently instantiated and saved
2311random maps. May block.
2312
2313=cut
2314
2315sub random_maps() {
2316 [
2317 map {
2318 utf8::decode $_;
2319 /\.map$/
2320 ? normalise "?random/$_"
2321 : ()
2322 } @{ aio_readdir $RANDOMDIR or [] }
2323 ]
1585} 2324}
1586 2325
1587=item cf::map::unique_maps 2326=item cf::map::unique_maps
1588 2327
1589Returns an arrayref of cf::path's of all shared maps that have 2328Returns an arrayref of paths of all shared maps that have
1590instantiated unique items. May block. 2329instantiated unique items. May block.
1591 2330
1592=cut 2331=cut
1593 2332
1594sub unique_maps() { 2333sub unique_maps() {
1595 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2334 [
1596 or return; 2335 map {
1597
1598 my @paths;
1599
1600 for (@$files) {
1601 utf8::decode $_; 2336 utf8::decode $_;
1602 next if /\.pst$/; 2337 /\.map$/
1603 next unless /^$PATH_SEP/o; 2338 ? normalise $_
1604 2339 : ()
1605 push @paths, new cf::path $_; 2340 } @{ aio_readdir $UNIQUEDIR or [] }
1606 } 2341 ]
1607
1608 \@paths
1609} 2342}
1610 2343
1611package cf; 2344package cf;
1612 2345
1613=back 2346=back
… …
1631 map { $_, inv_recursive_ $_->inv } @_ 2364 map { $_, inv_recursive_ $_->inv } @_
1632} 2365}
1633 2366
1634sub inv_recursive { 2367sub inv_recursive {
1635 inv_recursive_ inv $_[0] 2368 inv_recursive_ inv $_[0]
2369}
2370
2371=item $ref = $ob->ref
2372
2373creates and returns a persistent reference to an objetc that can be stored as a string.
2374
2375=item $ob = cf::object::deref ($refstring)
2376
2377returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378even if the object actually exists. May block.
2379
2380=cut
2381
2382sub deref {
2383 my ($ref) = @_;
2384
2385 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2386 my ($uuid, $name) = ($1, $2);
2387 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2388 or return;
2389 $pl->ob->uuid eq $uuid
2390 or return;
2391
2392 $pl->ob
2393 } else {
2394 warn "$ref: cannot resolve object reference\n";
2395 undef
2396 }
1636} 2397}
1637 2398
1638package cf; 2399package cf;
1639 2400
1640=back 2401=back
… …
1659 2420
1660 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2421 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661 2422
1662 if ($self->{record_replies}) { 2423 if ($self->{record_replies}) {
1663 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2424 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2425
1664 } else { 2426 } else {
2427 my $pl = $self->contr;
2428
2429 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2430 my $dialog = $pl->{npc_dialog};
2431 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432
2433 } else {
1665 $msg = $npc->name . " says: $msg" if $npc; 2434 $msg = $npc->name . " says: $msg" if $npc;
1666 $self->message ($msg, $flags); 2435 $self->message ($msg, $flags);
2436 }
1667 } 2437 }
2438}
2439
2440=item $object->send_msg ($channel, $msg, $color, [extra...])
2441
2442=cut
2443
2444sub cf::object::send_msg {
2445 my $pl = shift->contr
2446 or return;
2447 $pl->send_msg (@_);
1668} 2448}
1669 2449
1670=item $player_object->may ("access") 2450=item $player_object->may ("access")
1671 2451
1672Returns wether the given player is authorized to access resource "access" 2452Returns wether the given player is authorized to access resource "access"
… …
1685 2465
1686=item $player_object->enter_link 2466=item $player_object->enter_link
1687 2467
1688Freezes the player and moves him/her to a special map (C<{link}>). 2468Freezes the player and moves him/her to a special map (C<{link}>).
1689 2469
1690The player should be reaosnably safe there for short amounts of time. You 2470The player should be reasonably safe there for short amounts of time. You
1691I<MUST> call C<leave_link> as soon as possible, though. 2471I<MUST> call C<leave_link> as soon as possible, though.
1692 2472
2473Will never block.
2474
1693=item $player_object->leave_link ($map, $x, $y) 2475=item $player_object->leave_link ($map, $x, $y)
1694 2476
1695Moves the player out of the specila link map onto the given map. If the 2477Moves the player out of the special C<{link}> map onto the specified
1696map is not valid (or omitted), the player will be moved back to the 2478map. If the map is not valid (or omitted), the player will be moved back
1697location he/she was before the call to C<enter_link>, or, if that fails, 2479to the location he/she was before the call to C<enter_link>, or, if that
1698to the emergency map position. 2480fails, to the emergency map position.
1699 2481
1700Might block. 2482Might block.
1701 2483
1702=cut 2484=cut
2485
2486sub link_map {
2487 unless ($LINK_MAP) {
2488 $LINK_MAP = cf::map::find "{link}"
2489 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2490 $LINK_MAP->load;
2491 }
2492
2493 $LINK_MAP
2494}
1703 2495
1704sub cf::object::player::enter_link { 2496sub cf::object::player::enter_link {
1705 my ($self) = @_; 2497 my ($self) = @_;
1706 2498
1707 $self->deactivate_recursive; 2499 $self->deactivate_recursive;
1708 2500
1709 return if $self->map == $LINK_MAP; 2501 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 2502
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2503 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 2504 if $self->map && $self->map->{path} ne "{link}";
1713 2505
1714 $self->enter_map ($LINK_MAP, 20, 20); 2506 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 2507}
1716 2508
1717sub cf::object::player::leave_link { 2509sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 2510 my ($self, $map, $x, $y) = @_;
2511
2512 return unless $self->contr->active;
1719 2513
1720 my $link_pos = delete $self->{_link_pos}; 2514 my $link_pos = delete $self->{_link_pos};
1721 2515
1722 unless ($map) { 2516 unless ($map) {
1723 # restore original map position 2517 # restore original map position
… …
1737 # use -1 or undef as default coordinates, not 0, 0 2531 # use -1 or undef as default coordinates, not 0, 0
1738 ($x, $y) = ($map->enter_x, $map->enter_y) 2532 ($x, $y) = ($map->enter_x, $map->enter_y)
1739 if $x <=0 && $y <= 0; 2533 if $x <=0 && $y <= 0;
1740 2534
1741 $map->load; 2535 $map->load;
1742 $map->load_diag; 2536 $map->load_neighbours;
1743 2537
1744 return unless $self->contr->active; 2538 return unless $self->contr->active;
1745 $self->activate_recursive; 2539 $self->activate_recursive;
2540
2541 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746 $self->enter_map ($map, $x, $y); 2542 $self->enter_map ($map, $x, $y);
1747} 2543}
1748 2544
1749cf::player->attach ( 2545=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750 on_logout => sub {
1751 my ($pl) = @_;
1752 2546
1753 # abort map switching before logout 2547Moves the player to the given map-path and coordinates by first freezing
1754 if ($pl->ob->{_link_pos}) { 2548her, loading and preparing them map, calling the provided $check callback
1755 cf::sync_job { 2549that has to return the map if sucecssful, and then unfreezes the player on
1756 $pl->ob->leave_link 2550the new (success) or old (failed) map position. In either case, $done will
1757 }; 2551be called at the end of this process.
1758 }
1759 },
1760 on_login => sub {
1761 my ($pl) = @_;
1762 2552
1763 # try to abort aborted map switching on player login :)
1764 # should happen only on crashes
1765 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link;
1767 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED);
1774 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link;
1776 })->prio (2);
1777 }
1778 },
1779);
1780
1781=item $player_object->goto ($path, $x, $y)
1782
1783=cut 2553=cut
2554
2555our $GOTOGEN;
1784 2556
1785sub cf::object::player::goto { 2557sub cf::object::player::goto {
1786 my ($self, $path, $x, $y) = @_; 2558 my ($self, $path, $x, $y, $check, $done) = @_;
1787 2559
1788 $path = new cf::path $path; 2560 # do generation counting so two concurrent goto's will be executed in-order
2561 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789 2562
1790 $self->enter_link; 2563 $self->enter_link;
1791 2564
1792 (async { 2565 (async {
1793 my $map = cf::map::find $path->as_string; 2566 $Coro::current->{desc} = "player::goto $path $x $y";
2567
2568 # *tag paths override both path and x|y
2569 if ($path =~ /^\*(.*)$/) {
2570 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2571 my $ob = $obs[rand @obs];
2572
2573 # see if we actually can go there
2574 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2575 $ob = $obs[rand @obs];
2576 } else {
2577 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579 # else put us there anyways for now #d#
2580
2581 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2582 } else {
2583 ($path, $x, $y) = (undef, undef, undef);
2584 }
2585 }
2586
2587 my $map = eval {
2588 my $map = defined $path ? cf::map::find $path : undef;
2589
2590 if ($map) {
1794 $map = $map->customise_for ($self) if $map; 2591 $map = $map->customise_for ($self);
1795 2592 $map = $check->($map) if $check && $map;
1796# warn "entering ", $map->path, " at ($x, $y)\n" 2593 } else {
1797# if $map;
1798
1799 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2594 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2595 }
1800 2596
2597 $map
2598 };
2599
2600 if ($@) {
2601 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2602 LOG llevError | logBacktrace, Carp::longmess $@;
2603 }
2604
2605 if ($gen == $self->{_goto_generation}) {
2606 delete $self->{_goto_generation};
1801 $self->leave_link ($map, $x, $y); 2607 $self->leave_link ($map, $x, $y);
2608 }
2609
2610 $done->() if $done;
1802 })->prio (1); 2611 })->prio (1);
1803} 2612}
1804 2613
1805=item $player_object->enter_exit ($exit_object) 2614=item $player_object->enter_exit ($exit_object)
1806 2615
… …
1808 2617
1809sub parse_random_map_params { 2618sub parse_random_map_params {
1810 my ($spec) = @_; 2619 my ($spec) = @_;
1811 2620
1812 my $rmp = { # defaults 2621 my $rmp = { # defaults
1813 xsize => 10, 2622 xsize => (cf::rndm 15, 40),
1814 ysize => 10, 2623 ysize => (cf::rndm 15, 40),
2624 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2625 #layout => string,
1815 }; 2626 };
1816 2627
1817 for (split /\n/, $spec) { 2628 for (split /\n/, $spec) {
1818 my ($k, $v) = split /\s+/, $_, 2; 2629 my ($k, $v) = split /\s+/, $_, 2;
1819 2630
… …
1823 $rmp 2634 $rmp
1824} 2635}
1825 2636
1826sub prepare_random_map { 2637sub prepare_random_map {
1827 my ($exit) = @_; 2638 my ($exit) = @_;
2639
2640 my $guard = cf::lock_acquire "exit_prepare:$exit";
1828 2641
1829 # all this does is basically replace the /! path by 2642 # all this does is basically replace the /! path by
1830 # a new random map path (?random/...) with a seed 2643 # a new random map path (?random/...) with a seed
1831 # that depends on the exit object 2644 # that depends on the exit object
1832 2645
1833 my $rmp = parse_random_map_params $exit->msg; 2646 my $rmp = parse_random_map_params $exit->msg;
1834 2647
1835 if ($exit->map) { 2648 if ($exit->map) {
1836 $rmp->{region} = $exit->map->region_name; 2649 $rmp->{region} = $exit->region->name;
1837 $rmp->{origin_map} = $exit->map->path; 2650 $rmp->{origin_map} = $exit->map->path;
1838 $rmp->{origin_x} = $exit->x; 2651 $rmp->{origin_x} = $exit->x;
1839 $rmp->{origin_y} = $exit->y; 2652 $rmp->{origin_y} = $exit->y;
1840 } 2653 }
1841 2654
1842 $rmp->{random_seed} ||= $exit->random_seed; 2655 $rmp->{random_seed} ||= $exit->random_seed;
1843 2656
1844 my $data = cf::to_json $rmp; 2657 my $data = cf::encode_json $rmp;
1845 my $md5 = Digest::MD5::md5_hex $data; 2658 my $md5 = Digest::MD5::md5_hex $data;
2659 my $meta = "$RANDOMDIR/$md5.meta";
1846 2660
1847 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2661 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848 aio_write $fh, 0, (length $data), $data, 0; 2662 aio_write $fh, 0, (length $data), $data, 0;
2663 undef $fh;
2664 aio_rename "$meta~", $meta;
1849 2665
1850 $exit->slaying ("?random/$md5"); 2666 $exit->slaying ("?random/$md5");
1851 $exit->msg (undef); 2667 $exit->msg (undef);
1852 } 2668 }
1853} 2669}
… …
1855sub cf::object::player::enter_exit { 2671sub cf::object::player::enter_exit {
1856 my ($self, $exit) = @_; 2672 my ($self, $exit) = @_;
1857 2673
1858 return unless $self->type == cf::PLAYER; 2674 return unless $self->type == cf::PLAYER;
1859 2675
2676 if ($exit->slaying eq "/!") {
2677 #TODO: this should de-fi-ni-te-ly not be a sync-job
2678 # the problem is that $exit might not survive long enough
2679 # so it needs to be done right now, right here
2680 cf::sync_job { prepare_random_map $exit };
2681 }
2682
2683 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2684 my $hp = $exit->stats->hp;
2685 my $sp = $exit->stats->sp;
2686
1860 $self->enter_link; 2687 $self->enter_link;
1861 2688
2689 # if exit is damned, update players death & WoR home-position
2690 $self->contr->savebed ($slaying, $hp, $sp)
2691 if $exit->flag (FLAG_DAMNED);
2692
1862 (async { 2693 (async {
2694 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2695
1863 $self->deactivate_recursive; # just to be sure 2696 $self->deactivate_recursive; # just to be sure
1864 unless (eval { 2697 unless (eval {
1865 prepare_random_map $exit 2698 $self->goto ($slaying, $hp, $sp);
1866 if $exit->slaying eq "/!";
1867
1868 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870 2699
1871 1; 2700 1;
1872 }) { 2701 }) {
1873 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the crossfire server. "
1874 . "I'll try to bring you back to the map you were before. " 2703 . "I'll try to bring you back to the map you were before. "
1875 . "Please report this to the dungeon master!", 2704 . "Please report this to the dungeon master!",
1876 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
1877 2706
1878 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
1879 $self->leave_link; 2708 $self->leave_link;
1880 } 2709 }
1881 })->prio (1); 2710 })->prio (1);
… …
1894 2723
1895sub cf::client::send_drawinfo { 2724sub cf::client::send_drawinfo {
1896 my ($self, $text, $flags) = @_; 2725 my ($self, $text, $flags) = @_;
1897 2726
1898 utf8::encode $text; 2727 utf8::encode $text;
1899 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2728 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900} 2729}
1901 2730
2731=item $client->send_msg ($channel, $msg, $color, [extra...])
2732
2733Send a drawinfo or msg packet to the client, formatting the msg for the
2734client if neccessary. C<$type> should be a string identifying the type of
2735the message, with C<log> being the default. If C<$color> is negative, suppress
2736the message unless the client supports the msg packet.
2737
2738=cut
2739
2740# non-persistent channels (usually the info channel)
2741our %CHANNEL = (
2742 "c/identify" => {
2743 id => "infobox",
2744 title => "Identify",
2745 reply => undef,
2746 tooltip => "Items recently identified",
2747 },
2748 "c/examine" => {
2749 id => "infobox",
2750 title => "Examine",
2751 reply => undef,
2752 tooltip => "Signs and other items you examined",
2753 },
2754 "c/book" => {
2755 id => "infobox",
2756 title => "Book",
2757 reply => undef,
2758 tooltip => "The contents of a note or book",
2759 },
2760 "c/lookat" => {
2761 id => "infobox",
2762 title => "Look",
2763 reply => undef,
2764 tooltip => "What you saw there",
2765 },
2766 "c/who" => {
2767 id => "infobox",
2768 title => "Players",
2769 reply => undef,
2770 tooltip => "Shows players who are currently online",
2771 },
2772 "c/body" => {
2773 id => "infobox",
2774 title => "Body Parts",
2775 reply => undef,
2776 tooltip => "Shows which body parts you posess and are available",
2777 },
2778 "c/uptime" => {
2779 id => "infobox",
2780 title => "Uptime",
2781 reply => undef,
2782 tooltip => "How long the server has been running since last restart",
2783 },
2784 "c/mapinfo" => {
2785 id => "infobox",
2786 title => "Map Info",
2787 reply => undef,
2788 tooltip => "Information related to the maps",
2789 },
2790);
2791
2792sub cf::client::send_msg {
2793 my ($self, $channel, $msg, $color, @extra) = @_;
2794
2795 $msg = $self->pl->expand_cfpod ($msg);
2796
2797 $color &= cf::NDI_CLIENT_MASK; # just in case...
2798
2799 # check predefined channels, for the benefit of C
2800 if ($CHANNEL{$channel}) {
2801 $channel = $CHANNEL{$channel};
2802
2803 $self->ext_msg (channel_info => $channel)
2804 if $self->can_msg;
2805
2806 $channel = $channel->{id};
2807
2808 } elsif (ref $channel) {
2809 # send meta info to client, if not yet sent
2810 unless (exists $self->{channel}{$channel->{id}}) {
2811 $self->{channel}{$channel->{id}} = $channel;
2812 $self->ext_msg (channel_info => $channel)
2813 if $self->can_msg;
2814 }
2815
2816 $channel = $channel->{id};
2817 }
2818
2819 return unless @extra || length $msg;
2820
2821 if ($self->can_msg) {
2822 # default colour, mask it out
2823 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824 if $color & cf::NDI_DEF;
2825
2826 $self->send_packet ("msg " . $self->{json_coder}->encode (
2827 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2828 } else {
2829 if ($color >= 0) {
2830 # replace some tags by gcfclient-compatible ones
2831 for ($msg) {
2832 1 while
2833 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2834 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2835 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2836 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2837 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2838 }
2839
2840 $color &= cf::NDI_COLOR_MASK;
2841
2842 utf8::encode $msg;
2843
2844 if (0 && $msg =~ /\[/) {
2845 # COMMAND/INFO
2846 $self->send_packet ("drawextinfo $color 10 8 $msg")
2847 } else {
2848 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2849 $self->send_packet ("drawinfo $color $msg")
2850 }
2851 }
2852 }
2853}
2854
2855=item $client->ext_msg ($type, @msg)
2856
2857Sends an ext event to the client.
2858
2859=cut
2860
2861sub cf::client::ext_msg($$@) {
2862 my ($self, $type, @msg) = @_;
2863
2864 if ($self->extcmd == 2) {
2865 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2866 } elsif ($self->extcmd == 1) { # TODO: remove
2867 push @msg, msgtype => "event_$type";
2868 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2869 }
2870}
2871
2872=item $client->ext_reply ($msgid, @msg)
2873
2874Sends an ext reply to the client.
2875
2876=cut
2877
2878sub cf::client::ext_reply($$@) {
2879 my ($self, $id, @msg) = @_;
2880
2881 if ($self->extcmd == 2) {
2882 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2883 } elsif ($self->extcmd == 1) {
2884 #TODO: version 1, remove
2885 unshift @msg, msgtype => "reply", msgid => $id;
2886 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2887 }
2888}
1902 2889
1903=item $success = $client->query ($flags, "text", \&cb) 2890=item $success = $client->query ($flags, "text", \&cb)
1904 2891
1905Queues a query to the client, calling the given callback with 2892Queues a query to the client, calling the given callback with
1906the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2893the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2894C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908 2895
1909Queries can fail, so check the return code. Or don't, as queries will become 2896Queries can fail, so check the return code. Or don't, as queries will
1910reliable at some point in the future. 2897become reliable at some point in the future.
1911 2898
1912=cut 2899=cut
1913 2900
1914sub cf::client::query { 2901sub cf::client::query {
1915 my ($self, $flags, $text, $cb) = @_; 2902 my ($self, $flags, $text, $cb) = @_;
… …
1923 utf8::encode $text; 2910 utf8::encode $text;
1924 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2911 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925 2912
1926 $self->send_packet ($self->{query_queue}[0][0]) 2913 $self->send_packet ($self->{query_queue}[0][0])
1927 if @{ $self->{query_queue} } == 1; 2914 if @{ $self->{query_queue} } == 1;
2915
2916 1
1928} 2917}
1929 2918
1930cf::client->attach ( 2919cf::client->attach (
2920 on_connect => sub {
2921 my ($ns) = @_;
2922
2923 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2924 },
1931 on_reply => sub { 2925 on_reply => sub {
1932 my ($ns, $msg) = @_; 2926 my ($ns, $msg) = @_;
1933 2927
1934 # this weird shuffling is so that direct followup queries 2928 # this weird shuffling is so that direct followup queries
1935 # get handled first 2929 # get handled first
1936 my $queue = delete $ns->{query_queue} 2930 my $queue = delete $ns->{query_queue}
1937 or return; # be conservative, not sure how that can happen, but we saw a crash here 2931 or return; # be conservative, not sure how that can happen, but we saw a crash here
1938 2932
1939 (shift @$queue)->[1]->($msg); 2933 (shift @$queue)->[1]->($msg);
2934 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940 2935
1941 push @{ $ns->{query_queue} }, @$queue; 2936 push @{ $ns->{query_queue} }, @$queue;
1942 2937
1943 if (@{ $ns->{query_queue} } == @$queue) { 2938 if (@{ $ns->{query_queue} } == @$queue) {
1944 if (@$queue) { 2939 if (@$queue) {
… …
1946 } else { 2941 } else {
1947 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2942 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948 } 2943 }
1949 } 2944 }
1950 }, 2945 },
2946 on_exticmd => sub {
2947 my ($ns, $buf) = @_;
2948
2949 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2950
2951 if (ref $msg) {
2952 my ($type, $reply, @payload) =
2953 "ARRAY" eq ref $msg
2954 ? @$msg
2955 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2956
2957 my @reply;
2958
2959 if (my $cb = $EXTICMD{$type}) {
2960 @reply = $cb->($ns, @payload);
2961 }
2962
2963 $ns->ext_reply ($reply, @reply)
2964 if $reply;
2965
2966 } else {
2967 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2968 }
2969
2970 cf::override;
2971 },
1951); 2972);
1952 2973
1953=item $client->async (\&cb) 2974=item $client->async (\&cb)
1954 2975
1955Create a new coroutine, running the specified callback. The coroutine will 2976Create a new coroutine, running the specified callback. The coroutine will
… …
1996our $safe = new Safe "safe"; 3017our $safe = new Safe "safe";
1997our $safe_hole = new Safe::Hole; 3018our $safe_hole = new Safe::Hole;
1998 3019
1999$SIG{FPE} = 'IGNORE'; 3020$SIG{FPE} = 'IGNORE';
2000 3021
2001$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3022$safe->permit_only (Opcode::opset qw(
3023 :base_core :base_mem :base_orig :base_math
3024 grepstart grepwhile mapstart mapwhile
3025 sort time
3026));
2002 3027
2003# here we export the classes and methods available to script code 3028# here we export the classes and methods available to script code
2004 3029
2005=pod 3030=pod
2006 3031
2007The following fucntions and emthods are available within a safe environment: 3032The following functions and methods are available within a safe environment:
2008 3033
2009 cf::object contr pay_amount pay_player map 3034 cf::object
3035 contr pay_amount pay_player map x y force_find force_add destroy
3036 insert remove name archname title slaying race decrease_ob_nr
3037
2010 cf::object::player player 3038 cf::object::player
2011 cf::player peaceful 3039 player
2012 cf::map trigger 3040
3041 cf::player
3042 peaceful
3043
3044 cf::map
3045 trigger
2013 3046
2014=cut 3047=cut
2015 3048
2016for ( 3049for (
2017 ["cf::object" => qw(contr pay_amount pay_player map)], 3050 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3051 insert remove inv name archname title slaying race
3052 decrease_ob_nr destroy)],
2018 ["cf::object::player" => qw(player)], 3053 ["cf::object::player" => qw(player)],
2019 ["cf::player" => qw(peaceful)], 3054 ["cf::player" => qw(peaceful)],
2020 ["cf::map" => qw(trigger)], 3055 ["cf::map" => qw(trigger)],
2021) { 3056) {
2022 no strict 'refs'; 3057 no strict 'refs';
… …
2093=back 3128=back
2094 3129
2095=cut 3130=cut
2096 3131
2097############################################################################# 3132#############################################################################
3133# the server's init and main functions
2098 3134
2099=head2 EXTENSION DATABASE SUPPORT 3135sub load_facedata($) {
3136 my ($path) = @_;
2100 3137
2101Crossfire maintains a very simple database for extension use. It can 3138 # HACK to clear player env face cache, we need some signal framework
2102currently store anything that can be serialised using Storable, which 3139 # for this (global event?)
2103excludes objects. 3140 %ext::player_env::MUSIC_FACE_CACHE = ();
2104 3141
2105The parameter C<$family> should best start with the name of the extension 3142 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106using it, it should be unique.
2107 3143
2108=over 4 3144 warn "loading facedata from $path\n";
2109 3145
2110=item $hashref = cf::db_get $family 3146 my $facedata;
3147 0 < aio_load $path, $facedata
3148 or die "$path: $!";
2111 3149
2112Return a hashref for use by the extension C<$family>, which can be 3150 $facedata = Coro::Storable::thaw $facedata;
2113modified. After modifications, you have to call C<cf::db_dirty> or
2114C<cf::db_sync>.
2115 3151
2116=item $value = cf::db_get $family => $key 3152 $facedata->{version} == 2
3153 or cf::cleanup "$path: version mismatch, cannot proceed.";
2117 3154
2118Returns a single value from the database 3155 # patch in the exptable
2119 3156 $facedata->{resource}{"res/exp_table"} = {
2120=item cf::db_put $family => $hashref 3157 type => FT_RSRC,
2121 3158 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122Stores the given family hashref into the database. Updates are delayed, if
2123you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125=item cf::db_put $family => $key => $value
2126
2127Stores the given C<$value> in the family hash. Updates are delayed, if you
2128want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130=item cf::db_dirty
2131
2132Marks the database as dirty, to be updated at a later time.
2133
2134=item cf::db_sync
2135
2136Immediately write the database to disk I<if it is dirty>.
2137
2138=cut
2139
2140our $DB;
2141
2142{
2143 my $path = cf::localdir . "/database.pst";
2144
2145 sub db_load() {
2146 $DB = stat $path ? Storable::retrieve $path : { };
2147 }
2148
2149 my $pid;
2150
2151 sub db_save() {
2152 waitpid $pid, 0 if $pid;
2153 if (0 == ($pid = fork)) {
2154 $DB->{_meta}{version} = 1;
2155 Storable::nstore $DB, "$path~";
2156 rename "$path~", $path;
2157 cf::_exit 0 if defined $pid;
2158 }
2159 }
2160
2161 my $dirty;
2162
2163 sub db_sync() {
2164 db_save if $dirty;
2165 undef $dirty;
2166 }
2167
2168 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169 db_sync;
2170 }); 3159 };
3160 cf::cede_to_tick;
2171 3161
2172 sub db_dirty() {
2173 $dirty = 1;
2174 $idle->start;
2175 } 3162 {
3163 my $faces = $facedata->{faceinfo};
2176 3164
2177 sub db_get($;$) { 3165 while (my ($face, $info) = each %$faces) {
2178 @_ >= 2 3166 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179 ? $DB->{$_[0]}{$_[1]}
2180 : ($DB->{$_[0]} ||= { })
2181 }
2182 3167
2183 sub db_put($$;$) { 3168 cf::face::set_visibility $idx, $info->{visibility};
2184 if (@_ >= 3) { 3169 cf::face::set_magicmap $idx, $info->{magicmap};
2185 $DB->{$_[0]}{$_[1]} = $_[2]; 3170 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2186 } else { 3171 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187 $DB->{$_[0]} = $_[1];
2188 }
2189 db_dirty;
2190 }
2191 3172
2192 cf::global->attach ( 3173 cf::cede_to_tick;
2193 prio => 10000,
2194 on_cleanup => sub {
2195 db_sync;
2196 }, 3174 }
2197 );
2198}
2199 3175
2200############################################################################# 3176 while (my ($face, $info) = each %$faces) {
2201# the server's main() 3177 next unless $info->{smooth};
2202 3178
2203sub cfg_load { 3179 my $idx = cf::face::find $face
3180 or next;
3181
3182 if (my $smooth = cf::face::find $info->{smooth}) {
3183 cf::face::set_smooth $idx, $smooth;
3184 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3185 } else {
3186 warn "smooth face '$info->{smooth}' not found for face '$face'";
3187 }
3188
3189 cf::cede_to_tick;
3190 }
3191 }
3192
3193 {
3194 my $anims = $facedata->{animinfo};
3195
3196 while (my ($anim, $info) = each %$anims) {
3197 cf::anim::set $anim, $info->{frames}, $info->{facings};
3198 cf::cede_to_tick;
3199 }
3200
3201 cf::anim::invalidate_all; # d'oh
3202 }
3203
3204 {
3205 # TODO: for gcfclient pleasure, we should give resources
3206 # that gcfclient doesn't grok a >10000 face index.
3207 my $res = $facedata->{resource};
3208
3209 while (my ($name, $info) = each %$res) {
3210 if (defined $info->{type}) {
3211 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3212 my $data;
3213
3214 if ($info->{type} & 1) {
3215 # prepend meta info
3216
3217 my $meta = $enc->encode ({
3218 name => $name,
3219 %{ $info->{meta} || {} },
3220 });
3221
3222 $data = pack "(w/a*)*", $meta, $info->{data};
3223 } else {
3224 $data = $info->{data};
3225 }
3226
3227 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3228 cf::face::set_type $idx, $info->{type};
3229 } else {
3230 $RESOURCE{$name} = $info;
3231 }
3232
3233 cf::cede_to_tick;
3234 }
3235 }
3236
3237 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3238
3239 1
3240}
3241
3242cf::global->attach (on_resource_update => sub {
3243 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3244 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3245
3246 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3247 my $sound = $soundconf->{compat}[$_]
3248 or next;
3249
3250 my $face = cf::face::find "sound/$sound->[1]";
3251 cf::sound::set $sound->[0] => $face;
3252 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3253 }
3254
3255 while (my ($k, $v) = each %{$soundconf->{event}}) {
3256 my $face = cf::face::find "sound/$v";
3257 cf::sound::set $k => $face;
3258 }
3259 }
3260});
3261
3262register_exticmd fx_want => sub {
3263 my ($ns, $want) = @_;
3264
3265 while (my ($k, $v) = each %$want) {
3266 $ns->fx_want ($k, $v);
3267 }
3268};
3269
3270sub reload_regions {
3271 # HACK to clear player env face cache, we need some signal framework
3272 # for this (global event?)
3273 %ext::player_env::MUSIC_FACE_CACHE = ();
3274
3275 load_resource_file "$MAPDIR/regions"
3276 or die "unable to load regions file\n";
3277
3278 for (cf::region::list) {
3279 $_->{match} = qr/$_->{match}/
3280 if exists $_->{match};
3281 }
3282}
3283
3284sub reload_facedata {
3285 load_facedata "$DATADIR/facedata"
3286 or die "unable to load facedata\n";
3287}
3288
3289sub reload_archetypes {
3290 load_resource_file "$DATADIR/archetypes"
3291 or die "unable to load archetypes\n";
3292 #d# NEED to laod twice to resolve forward references
3293 # this really needs to be done in an extra post-pass
3294 # (which needs to be synchronous, so solve it differently)
3295 load_resource_file "$DATADIR/archetypes"
3296 or die "unable to load archetypes\n";
3297}
3298
3299sub reload_treasures {
3300 load_resource_file "$DATADIR/treasures"
3301 or die "unable to load treasurelists\n";
3302}
3303
3304sub reload_resources {
3305 warn "reloading resource files...\n";
3306
3307 reload_regions;
3308 reload_facedata;
3309 #reload_archetypes;#d#
3310 reload_archetypes;
3311 reload_treasures;
3312
3313 warn "finished reloading resource files\n";
3314}
3315
3316sub init {
3317 reload_resources;
3318}
3319
3320sub reload_config {
2204 open my $fh, "<:utf8", cf::confdir . "/config" 3321 open my $fh, "<:utf8", "$CONFDIR/config"
2205 or return; 3322 or return;
2206 3323
2207 local $/; 3324 local $/;
2208 *CFG = YAML::Syck::Load <$fh>; 3325 *CFG = YAML::Load <$fh>;
2209 3326
2210 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3327 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211 3328
2212 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3329 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3330 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2223 3340
2224sub main { 3341sub main {
2225 # we must not ever block the main coroutine 3342 # we must not ever block the main coroutine
2226 local $Coro::idle = sub { 3343 local $Coro::idle = sub {
2227 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3344 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228 async { Event::one_event }; 3345 (async {
3346 $Coro::current->{desc} = "IDLE BUG HANDLER";
3347 EV::loop EV::LOOP_ONESHOT;
3348 })->prio (Coro::PRIO_MAX);
2229 }; 3349 };
2230 3350
2231 cfg_load; 3351 reload_config;
2232 db_load; 3352 db_init;
2233 load_extensions; 3353 load_extensions;
3354
3355 $TICK_WATCHER->start;
3356 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2234 Event::loop; 3357 EV::loop;
2235} 3358}
2236 3359
2237############################################################################# 3360#############################################################################
2238# initialisation and cleanup 3361# initialisation and cleanup
2239 3362
2240# install some emergency cleanup handlers 3363# install some emergency cleanup handlers
2241BEGIN { 3364BEGIN {
3365 our %SIGWATCHER = ();
2242 for my $signal (qw(INT HUP TERM)) { 3366 for my $signal (qw(INT HUP TERM)) {
2243 Event->signal ( 3367 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2244 data => WF_AUTOCANCEL,
2245 signal => $signal,
2246 cb => sub {
2247 cf::cleanup "SIG$signal"; 3368 cf::cleanup "SIG$signal";
2248 },
2249 ); 3369 };
3370 }
3371}
3372
3373sub write_runtime {
3374 my $runtime = "$LOCALDIR/runtime";
3375
3376 # first touch the runtime file to show we are still running:
3377 # the fsync below can take a very very long time.
3378
3379 IO::AIO::aio_utime $runtime, undef, undef;
3380
3381 my $guard = cf::lock_acquire "write_runtime";
3382
3383 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3384 or return;
3385
3386 my $value = $cf::RUNTIME + 90 + 10;
3387 # 10 is the runtime save interval, for a monotonic clock
3388 # 60 allows for the watchdog to kill the server.
3389
3390 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3391 and return;
3392
3393 # always fsync - this file is important
3394 aio_fsync $fh
3395 and return;
3396
3397 # touch it again to show we are up-to-date
3398 aio_utime $fh, undef, undef;
3399
3400 close $fh
3401 or return;
3402
3403 aio_rename "$runtime~", $runtime
3404 and return;
3405
3406 warn "runtime file written.\n";
3407
2250 } 3408 1
2251} 3409}
2252 3410
2253sub emergency_save() { 3411sub emergency_save() {
2254 my $freeze_guard = cf::freeze_mainloop; 3412 my $freeze_guard = cf::freeze_mainloop;
2255 3413
2256 warn "enter emergency perl save\n"; 3414 warn "enter emergency perl save\n";
2257 3415
2258 cf::sync_job { 3416 cf::sync_job {
2259 # use a peculiar iteration method to avoid tripping on perl 3417 # use a peculiar iteration method to avoid tripping on perl
2260 # refcount bugs in for. also avoids problems with players 3418 # refcount bugs in for. also avoids problems with players
2261 # and maps saved/Destroyed asynchronously. 3419 # and maps saved/destroyed asynchronously.
2262 warn "begin emergency player save\n"; 3420 warn "begin emergency player save\n";
2263 for my $login (keys %cf::PLAYER) { 3421 for my $login (keys %cf::PLAYER) {
2264 my $pl = $cf::PLAYER{$login} or next; 3422 my $pl = $cf::PLAYER{$login} or next;
2265 $pl->valid or next; 3423 $pl->valid or next;
3424 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266 $pl->save; 3425 $pl->save;
2267 } 3426 }
2268 warn "end emergency player save\n"; 3427 warn "end emergency player save\n";
2269 3428
2270 warn "begin emergency map save\n"; 3429 warn "begin emergency map save\n";
… …
2272 my $map = $cf::MAP{$path} or next; 3431 my $map = $cf::MAP{$path} or next;
2273 $map->valid or next; 3432 $map->valid or next;
2274 $map->save; 3433 $map->save;
2275 } 3434 }
2276 warn "end emergency map save\n"; 3435 warn "end emergency map save\n";
3436
3437 warn "begin emergency database checkpoint\n";
3438 BDB::db_env_txn_checkpoint $DB_ENV;
3439 warn "end emergency database checkpoint\n";
2277 }; 3440 };
2278 3441
2279 warn "leave emergency perl save\n"; 3442 warn "leave emergency perl save\n";
2280} 3443}
2281 3444
3445sub post_cleanup {
3446 my ($make_core) = @_;
3447
3448 warn Carp::longmess "post_cleanup backtrace"
3449 if $make_core;
3450}
3451
2282sub reload() { 3452sub do_reload_perl() {
2283 # can/must only be called in main 3453 # can/must only be called in main
2284 if ($Coro::current != $Coro::main) { 3454 if ($Coro::current != $Coro::main) {
2285 warn "can only reload from main coroutine\n"; 3455 warn "can only reload from main coroutine";
2286 return; 3456 return;
2287 } 3457 }
2288 3458
2289 warn "reloading..."; 3459 warn "reloading...";
2290 3460
2291 warn "freezing server"; 3461 warn "entering sync_job";
2292 my $guard = freeze_mainloop; 3462
3463 cf::sync_job {
3464 cf::write_runtime; # external watchdog should not bark
2293 cf::emergency_save; 3465 cf::emergency_save;
3466 cf::write_runtime; # external watchdog should not bark
2294 3467
2295 warn "sync database to disk"; 3468 warn "syncing database to disk";
2296 cf::db_sync; 3469 BDB::db_env_txn_checkpoint $DB_ENV;
2297 IO::AIO::flush;
2298 3470
2299 eval {
2300 # if anything goes wrong in here, we should simply crash as we already saved 3471 # if anything goes wrong in here, we should simply crash as we already saved
2301 3472
2302 warn "cancel all watchers"; 3473 warn "flushing outstanding aio requests";
2303 for (Event::all_watchers) { 3474 for (;;) {
2304 $_->cancel if $_->data & WF_AUTOCANCEL; 3475 BDB::flush;
3476 IO::AIO::flush;
3477 Coro::cede_notself;
3478 last unless IO::AIO::nreqs || BDB::nreqs;
3479 warn "iterate...";
2305 } 3480 }
2306 3481
3482 ++$RELOAD;
3483
2307 warn "cancel all extension coros"; 3484 warn "cancelling all extension coros";
2308 $_->cancel for values %EXT_CORO; 3485 $_->cancel for values %EXT_CORO;
2309 %EXT_CORO = (); 3486 %EXT_CORO = ();
2310 3487
2311 warn "remove commands"; 3488 warn "removing commands";
2312 %COMMAND = (); 3489 %COMMAND = ();
2313 3490
2314 warn "remove ext commands"; 3491 warn "removing ext/exti commands";
2315 %EXTCMD = (); 3492 %EXTCMD = ();
3493 %EXTICMD = ();
2316 3494
2317 warn "unload/nuke all extensions"; 3495 warn "unloading/nuking all extensions";
2318 for my $pkg (@EXTS) { 3496 for my $pkg (@EXTS) {
2319 warn "unloading <$pkg>"; 3497 warn "... unloading $pkg";
2320 3498
2321 if (my $cb = $pkg->can ("unload")) { 3499 if (my $cb = $pkg->can ("unload")) {
2322 eval { 3500 eval {
2323 $cb->($pkg); 3501 $cb->($pkg);
2324 1 3502 1
2325 } or warn "$pkg unloaded, but with errors: $@"; 3503 } or warn "$pkg unloaded, but with errors: $@";
2326 } 3504 }
2327 3505
3506 warn "... nuking $pkg";
2328 Symbol::delete_package $pkg; 3507 Symbol::delete_package $pkg;
2329 } 3508 }
2330 3509
2331 warn "unload all perl modules loaded from $LIBDIR"; 3510 warn "unloading all perl modules loaded from $LIBDIR";
2332 while (my ($k, $v) = each %INC) { 3511 while (my ($k, $v) = each %INC) {
2333 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3512 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334 3513
2335 warn "removing <$k>"; 3514 warn "... unloading $k";
2336 delete $INC{$k}; 3515 delete $INC{$k};
2337 3516
2338 $k =~ s/\.pm$//; 3517 $k =~ s/\.pm$//;
2339 $k =~ s/\//::/g; 3518 $k =~ s/\//::/g;
2340 3519
… …
2343 } 3522 }
2344 3523
2345 Symbol::delete_package $k; 3524 Symbol::delete_package $k;
2346 } 3525 }
2347 3526
2348 warn "get rid of safe::, as good as possible"; 3527 warn "getting rid of safe::, as good as possible";
2349 Symbol::delete_package "safe::$_" 3528 Symbol::delete_package "safe::$_"
2350 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3529 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351 3530
2352 warn "unload cf.pm \"a bit\""; 3531 warn "unloading cf.pm \"a bit\"";
2353 delete $INC{"cf.pm"}; 3532 delete $INC{"cf.pm"};
3533 delete $INC{"cf/pod.pm"};
2354 3534
2355 # don't, removes xs symbols, too, 3535 # don't, removes xs symbols, too,
2356 # and global variables created in xs 3536 # and global variables created in xs
2357 #Symbol::delete_package __PACKAGE__; 3537 #Symbol::delete_package __PACKAGE__;
2358 3538
3539 warn "unload completed, starting to reload now";
3540
2359 warn "reloading cf.pm"; 3541 warn "reloading cf.pm";
2360 require cf; 3542 require cf;
2361 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3543 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362 3544
2363 warn "load config and database again"; 3545 warn "loading config and database again";
2364 cf::cfg_load; 3546 cf::reload_config;
2365 cf::db_load;
2366 3547
2367 warn "load extensions"; 3548 warn "loading extensions";
2368 cf::load_extensions; 3549 cf::load_extensions;
2369 3550
2370 warn "reattach attachments to objects/players"; 3551 warn "reattaching attachments to objects/players";
2371 _global_reattach; 3552 _global_reattach; # objects, sockets
2372 warn "reattach attachments to maps"; 3553 warn "reattaching attachments to maps";
2373 reattach $_ for values %MAP; 3554 reattach $_ for values %MAP;
2374 }; 3555 warn "reattaching attachments to players";
3556 reattach $_ for values %PLAYER;
2375 3557
2376 if ($@) { 3558 warn "leaving sync_job";
3559
3560 1
3561 } or do {
2377 warn $@; 3562 warn $@;
2378 warn "error while reloading, exiting."; 3563 warn "error while reloading, exiting.";
2379 exit 1; 3564 exit 1;
2380 } 3565 };
2381 3566
2382 warn "reloaded"; 3567 warn "reloaded";
2383}; 3568};
2384 3569
2385############################################################################# 3570our $RELOAD_WATCHER; # used only during reload
2386 3571
2387unless ($LINK_MAP) { 3572sub reload_perl() {
2388 $LINK_MAP = cf::map::new; 3573 # doing reload synchronously and two reloads happen back-to-back,
3574 # coro crashes during coro_state_free->destroy here.
2389 3575
2390 $LINK_MAP->width (41); 3576 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2391 $LINK_MAP->height (41); 3577 do_reload_perl;
2392 $LINK_MAP->alloc; 3578 undef $RELOAD_WATCHER;
2393 $LINK_MAP->path ("{link}"); 3579 };
2394 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397 # dirty hack because... archetypes are not yet loaded
2398 Event->timer (
2399 after => 10,
2400 cb => sub {
2401 $_[0]->w->cancel;
2402
2403 # provide some exits "home"
2404 my $exit = cf::object::new "exit";
2405
2406 $exit->slaying ($EMERGENCY_POSITION->[0]);
2407 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410 $LINK_MAP->insert ($exit->clone, 19, 19);
2411 $LINK_MAP->insert ($exit->clone, 19, 20);
2412 $LINK_MAP->insert ($exit->clone, 19, 21);
2413 $LINK_MAP->insert ($exit->clone, 20, 19);
2414 $LINK_MAP->insert ($exit->clone, 20, 21);
2415 $LINK_MAP->insert ($exit->clone, 21, 19);
2416 $LINK_MAP->insert ($exit->clone, 21, 20);
2417 $LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419 $exit->destroy;
2420 });
2421
2422 $LINK_MAP->{deny_save} = 1;
2423 $LINK_MAP->{deny_reset} = 1;
2424
2425 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426} 3580}
2427 3581
2428register_command "reload" => sub { 3582register_command "reload" => sub {
2429 my ($who, $arg) = @_; 3583 my ($who, $arg) = @_;
2430 3584
2431 if ($who->flag (FLAG_WIZ)) { 3585 if ($who->flag (FLAG_WIZ)) {
2432 $who->message ("start of reload.");
2433 reload;
2434 $who->message ("end of reload."); 3586 $who->message ("reloading server.");
3587 async {
3588 $Coro::current->{desc} = "perl_reload";
3589 reload_perl;
3590 };
2435 } 3591 }
2436}; 3592};
2437 3593
2438unshift @INC, $LIBDIR; 3594unshift @INC, $LIBDIR;
2439 3595
2440$TICK_WATCHER = Event->timer ( 3596my $bug_warning = 0;
2441 reentrant => 0, 3597
2442 prio => 0, 3598our @WAIT_FOR_TICK;
2443 at => $NEXT_TICK || $TICK, 3599our @WAIT_FOR_TICK_BEGIN;
2444 data => WF_AUTOCANCEL, 3600
2445 cb => sub { 3601sub wait_for_tick {
3602 return unless $TICK_WATCHER->is_active;
3603 return if $Coro::current == $Coro::main;
3604
3605 my $signal = new Coro::Signal;
3606 push @WAIT_FOR_TICK, $signal;
3607 $signal->wait;
3608}
3609
3610sub wait_for_tick_begin {
3611 return unless $TICK_WATCHER->is_active;
3612 return if $Coro::current == $Coro::main;
3613
3614 my $signal = new Coro::Signal;
3615 push @WAIT_FOR_TICK_BEGIN, $signal;
3616 $signal->wait;
3617}
3618
3619$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3620 if ($Coro::current != $Coro::main) {
3621 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3622 unless ++$bug_warning > 10;
3623 return;
3624 }
3625
3626 $NOW = $tick_start = EV::now;
3627
2446 cf::server_tick; # one server iteration 3628 cf::server_tick; # one server iteration
3629
2447 $RUNTIME += $TICK; 3630 $RUNTIME += $TICK;
2448 $NEXT_TICK += $TICK; 3631 $NEXT_TICK = $_[0]->at;
2449 3632
2450 $WAIT_FOR_TICK->broadcast; 3633 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3634 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2452 3635 Coro::async_pool {
2453 # if we are delayed by four ticks or more, skip them all 3636 $Coro::current->{desc} = "runtime saver";
2454 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455
2456 $TICK_WATCHER->at ($NEXT_TICK);
2457 $TICK_WATCHER->start;
2458 },
2459);
2460
2461IO::AIO::max_poll_time $TICK * 0.2;
2462
2463Event->io (
2464 fd => IO::AIO::poll_fileno,
2465 poll => 'r',
2466 prio => 5,
2467 data => WF_AUTOCANCEL,
2468 cb => \&IO::AIO::poll_cb,
2469);
2470
2471Event->timer (
2472 data => WF_AUTOCANCEL,
2473 after => 0,
2474 interval => 10,
2475 cb => sub {
2476 (Coro::unblock_sub {
2477 write_runtime 3637 write_runtime
2478 or warn "ERROR: unable to write runtime file: $!"; 3638 or warn "ERROR: unable to write runtime file: $!";
2479 })->(); 3639 };
2480 }, 3640 }
2481); 3641
3642 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3643 $sig->send;
3644 }
3645 while (my $sig = shift @WAIT_FOR_TICK) {
3646 $sig->send;
3647 }
3648
3649 $LOAD = ($NOW - $tick_start) / $TICK;
3650 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651
3652 _post_tick;
3653};
3654$TICK_WATCHER->priority (EV::MAXPRI);
3655
3656{
3657 # configure BDB
3658
3659 BDB::min_parallel 8;
3660 BDB::max_poll_reqs $TICK * 0.1;
3661 $Coro::BDB::WATCHER->priority (1);
3662
3663 unless ($DB_ENV) {
3664 $DB_ENV = BDB::db_env_create;
3665 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3666 | BDB::LOG_AUTOREMOVE, 1);
3667 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3669
3670 cf::sync_job {
3671 eval {
3672 BDB::db_env_open
3673 $DB_ENV,
3674 $BDBDIR,
3675 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3676 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3677 0666;
3678
3679 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3680 };
3681
3682 cf::cleanup "db_env_open(db): $@" if $@;
3683 };
3684 }
3685
3686 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3687 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3688 };
3689 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3690 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3691 };
3692 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3693 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3694 };
3695}
3696
3697{
3698 # configure IO::AIO
3699
3700 IO::AIO::min_parallel 8;
3701 IO::AIO::max_poll_time $TICK * 0.1;
3702 $Coro::AIO::WATCHER->priority (1);
3703}
3704
3705my $_log_backtrace;
3706
3707sub _log_backtrace {
3708 my ($msg, @addr) = @_;
3709
3710 $msg =~ s/\n//;
3711
3712 # limit the # of concurrent backtraces
3713 if ($_log_backtrace < 2) {
3714 ++$_log_backtrace;
3715 async {
3716 $Coro::current->{desc} = "abt $msg";
3717
3718 my @bt = fork_call {
3719 @addr = map { sprintf "%x", $_ } @addr;
3720 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3721 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3722 or die "addr2line: $!";
3723
3724 my @funcs;
3725 my @res = <$fh>;
3726 chomp for @res;
3727 while (@res) {
3728 my ($func, $line) = splice @res, 0, 2, ();
3729 push @funcs, "[$func] $line";
3730 }
3731
3732 @funcs
3733 };
3734
3735 LOG llevInfo, "[ABT] $msg\n";
3736 LOG llevInfo, "[ABT] $_\n" for @bt;
3737 --$_log_backtrace;
3738 };
3739 } else {
3740 LOG llevInfo, "[ABT] $msg\n";
3741 LOG llevInfo, "[ABT] [suppressed]\n";
3742 }
3743}
3744
3745# load additional modules
3746use cf::pod;
2482 3747
2483END { cf::emergency_save } 3748END { cf::emergency_save }
2484 3749
24851 37501
2486 3751

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