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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 3.64 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS ();
27use BDB ();
20use Data::Dumper; 28use Data::Dumper;
21use Digest::MD5; 29use Digest::MD5;
22use Fcntl; 30use Fcntl;
31use YAML::Syck ();
23use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
26 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 44
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
33 47
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
36our %COMMAND = (); 52our %COMMAND = ();
37our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
54
55our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps
39 60
61our $RELOAD; # number of reloads so far
40our @EVENT; 62our @EVENT;
41our $LIBDIR = datadir . "/ext";
42 63
43our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44our $TICK_WATCHER; 77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 80our $NEXT_TICK;
46our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
88our $DB_ENV;
47 89
48our %CFG; 90our %CFG;
49 91
50our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 93our $RUNTIME;
52 94
53our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
54our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
55our $LINK_MAP; # the special {link} map 97our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 98
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 99# used to convert map paths into valid unix filenames by replacing / by ∕
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
61 105
62binmode STDOUT; 106binmode STDOUT;
63binmode STDERR; 107binmode STDERR;
64 108
65# read virtual server time, if available 109# read virtual server time, if available
66unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
68 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
69 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
70} 114}
71 115
72mkdir cf::localdir; 116mkdir $_
73mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS;
77 118
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
120
121sub cf::map::normalise;
81 122
82############################################################################# 123#############################################################################
83 124
84=head2 GLOBAL VARIABLES 125=head2 GLOBAL VARIABLES
85 126
… …
92=item $cf::RUNTIME 133=item $cf::RUNTIME
93 134
94The time this server has run, starts at 0 and is increased by $cf::TICK on 135The time this server has run, starts at 0 and is increased by $cf::TICK on
95every server tick. 136every server tick.
96 137
97=item $cf::LIBDIR 138=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98 141
99The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
100be found. It will be added to C<@INC> automatically. 143directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144unique-items directory, player file directory, random maps directory and
145database environment.
101 146
102=item $cf::NOW 147=item $cf::NOW
103 148
104The time of the last (current) server tick. 149The time of the last (current) server tick.
105 150
106=item $cf::TICK 151=item $cf::TICK
107 152
108The interval between server ticks, in seconds. 153The interval between server ticks, in seconds.
154
155=item $cf::LOADAVG
156
157The current CPU load on the server (alpha-smoothed), as a value between 0
158(none) and 1 (overloaded), indicating how much time is spent on processing
159objects per tick. Healthy values are < 0.5.
160
161=item $cf::LOAD
162
163The raw value load value from the last tick.
109 164
110=item %cf::CFG 165=item %cf::CFG
111 166
112Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
113from wherever your confdir points to. 168from wherever your confdir points to.
114 169
115=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
116 171
117These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 173returns directly I<after> the tick processing (and consequently, can only wake one process
119processing has been done. Call C<< ->wait >> on them to maximise the 174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120window of cpu time available, or simply to synchronise to the server tick. 175
176=item @cf::INVOKE_RESULTS
177
178This array contains the results of the last C<invoke ()> call. When
179C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180that call.
121 181
122=back 182=back
123 183
124=cut 184=cut
125 185
126BEGIN { 186BEGIN {
127 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
128 my $msg = join "", @_; 188 my $msg = join "", @_;
129 utf8::encode $msg;
130 189
131 $msg .= "\n" 190 $msg .= "\n"
132 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
133 194
134 LOG llevError, $msg; 195 LOG llevError, $msg;
135 }; 196 };
136} 197}
137 198
138@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 203@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
204@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 205@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144 206
145# we bless all objects into (empty) derived classes to force a method lookup 207# we bless all objects into (empty) derived classes to force a method lookup
146# within the Safe compartment. 208# within the Safe compartment.
147for my $pkg (qw( 209for my $pkg (qw(
148 cf::global cf::attachable 210 cf::global cf::attachable
… …
157 219
158$Event::DIED = sub { 220$Event::DIED = sub {
159 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
160}; 222};
161 223
162my %ext_pkg; 224#############################################################################
163my @exts;
164my @hook;
165 225
166=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
167 227
168=over 4 228=over 4
169 229
… …
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 249 $d
190 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
191} 251}
192 252
193use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
196 254
197Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
198 256
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
207 258
208Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
209 260
210=cut 261=cut
211 262
212sub to_json($) { 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 264
214 JSON::Syck::Dump $_[0] 265sub to_json ($) { $json_coder->encode ($_[0]) }
215} 266sub from_json ($) { $json_coder->decode ($_[0]) }
216 267
217=item cf::lock_wait $string 268=item cf::lock_wait $string
218 269
219Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
220 271
… …
223Wait until the given lock is available and then acquires it and returns 274Wait until the given lock is available and then acquires it and returns
224a Coro::guard object. If the guard object gets destroyed (goes out of scope, 275a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
226returned. 277returned.
227 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
228Lock names should begin with a unique identifier (for example, cf::map::find 282Lock names should begin with a unique identifier (for example, cf::map::find
229uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
230 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
231=cut 289=cut
232 290
233our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
234 293
235sub lock_wait($) { 294sub lock_wait($) {
236 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
237 301
238 # wait for lock, if any 302 # wait for lock, if any
239 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
240 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
241 Coro::schedule; 305 Coro::schedule;
… …
247 311
248 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
249 lock_wait $key; 313 lock_wait $key;
250 314
251 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
252 317
253 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
254 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
256 } 322 }
257} 323}
258 324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
329}
330
259sub freeze_mainloop { 331sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
261 333
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 334 my $guard = Coro::guard {
335 $TICK_WATCHER->start;
336 };
263 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
264 $guard 338 $guard
339}
340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 $Coro::current->desc ("timeslot manager");
360
361 my $signal = new Coro::Signal;
362
363 while () {
364 next_job:
365 my $avail = cf::till_tick;
366 if ($avail > 0.01) {
367 for (0 .. $#SLOT_QUEUE) {
368 if ($SLOT_QUEUE[$_][0] < $avail) {
369 my $job = splice @SLOT_QUEUE, $_, 1, ();
370 $job->[2]->send;
371 Coro::cede;
372 goto next_job;
373 }
374 }
375 }
376
377 if (@SLOT_QUEUE) {
378 # we do not use wait_For_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait;
381 } else {
382 Coro::schedule;
383 }
384 }
385};
386
387sub get_slot($;$$) {
388 my ($time, $pri, $name) = @_;
389
390 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal;
392
393 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395 $SLOT_QUEUE->ready;
396 $sig->wait;
265} 397}
266 398
267=item cf::async { BLOCK } 399=item cf::async { BLOCK }
268 400
269Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
… …
274 406
275BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
276 408
277=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
278 410
279The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
281reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable.
282 415
283If it must be done, put the blocking parts into C<sync_job>. This will run 416If it must be done, put the blocking parts into C<sync_job>. This will run
284the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
285server will be frozen during this time, so the block should either finish 418server will be frozen during this time, so the block should either finish
286fast or be very important. 419fast or be very important.
… …
289 422
290sub sync_job(&) { 423sub sync_job(&) {
291 my ($job) = @_; 424 my ($job) = @_;
292 425
293 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
294 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
296 431
432 LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
433
297 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
298 # (but this is cancel-safe) 435 # (but this is cancel-safe)
299 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
300 437
301 my $busy = 1; 438 my $busy = 1;
302 my @res; 439 my @res;
303 440
304 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
305 @res = eval { $job->() }; 443 @res = eval { $job->() };
306 warn $@ if $@; 444 warn $@ if $@;
307 undef $busy; 445 undef $busy;
308 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
309 447
310 while ($busy) { 448 while ($busy) {
311 Coro::cede or Event::one_event; 449 Coro::cede or Event::one_event;
312 } 450 }
451
452 $time = Event::time - $time;
453
454 LOG llevError | logBacktrace, Carp::longmess "long sync job"
455 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457 $tick_start += $time; # do not account sync jobs to server load
313 458
314 wantarray ? @res : $res[0] 459 wantarray ? @res : $res[0]
315 } else { 460 } else {
316 # we are in another coroutine, how wonderful, everything just works 461 # we are in another coroutine, how wonderful, everything just works
317 462
… …
319 } 464 }
320} 465}
321 466
322=item $coro = cf::async_ext { BLOCK } 467=item $coro = cf::async_ext { BLOCK }
323 468
324Like async, but this coro is automcatially being canceled when the 469Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 470extension calling this is being unloaded.
326 471
327=cut 472=cut
328 473
329sub async_ext(&) { 474sub async_ext(&) {
… …
337 $EXT_CORO{$coro+0} = $coro; 482 $EXT_CORO{$coro+0} = $coro;
338 483
339 $coro 484 $coro
340} 485}
341 486
342sub write_runtime { 487=item fork_call { }, $args
343 my $runtime = cf::localdir . "/runtime";
344 488
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 489Executes the given code block with the given arguments in a seperate
346 or return; 490process, returning the results. Everything must be serialisable with
491Coro::Storable. May, of course, block. Note that the executed sub may
492never block itself or use any form of Event handling.
347 493
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 494=cut
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return;
351 495
352 aio_fsync $fh 496sub fork_call(&@) {
353 and return; 497 my ($cb, @args) = @_;
354 498
355 close $fh 499 # we seemingly have to make a local copy of the whole thing,
356 or return; 500 # otherwise perl prematurely frees the stuff :/
501 # TODO: investigate and fix (likely this will be rather laborious)
357 502
358 aio_rename "$runtime~", $runtime 503 my @res = Coro::Util::fork_eval {
359 and return; 504 reset_signals;
505 &$cb
506 }, @args;
360 507
508 wantarray ? @res : $res[-1]
509}
510
511=item $value = cf::db_get $family => $key
512
513Returns a single value from the environment database.
514
515=item cf::db_put $family => $key => $value
516
517Stores the given C<$value> in the family. It can currently store binary
518data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
519
520=item $db = cf::db_table "name"
521
522Create and/or open a new database table. The string must not be "db" and must be unique
523within each server.
524
525=cut
526
527sub db_table($) {
528 my ($name) = @_;
529 my $db = BDB::db_create $DB_ENV;
530
531 eval {
532 $db->set_flags (BDB::CHKSUM);
533
534 utf8::encode $name;
535 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
536 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
537 cf::cleanup "db_open(db): $!" if $!;
538 };
539 cf::cleanup "db_open(db): $@" if $@;
540
541 $db
542}
543
544our $DB;
545
546sub db_init {
547 cf::sync_job {
548 $DB ||= db_table "db";
549 };
550}
551
552sub db_get($$) {
553 my $key = "$_[0]/$_[1]";
554
555 cf::sync_job {
556 BDB::db_get $DB, undef, $key, my $data;
557
558 $! ? ()
559 : $data
361 1 560 }
561}
562
563sub db_put($$$) {
564 BDB::dbreq_pri 4;
565 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
566}
567
568=item cf::cache $id => [$paths...], $processversion => $process
569
570Generic caching function that returns the value of the resource $id,
571caching and regenerating as required.
572
573This function can block.
574
575=cut
576
577sub cache {
578 my ($id, $src, $processversion, $process) = @_;
579
580 my $meta =
581 join "\x00",
582 $processversion,
583 map {
584 aio_stat $_
585 and Carp::croak "$_: $!";
586
587 ($_, (stat _)[7,9])
588 } @$src;
589
590 my $dbmeta = db_get cache => "$id/meta";
591 if ($dbmeta ne $meta) {
592 # changed, we may need to process
593
594 my @data;
595 my $md5;
596
597 for (0 .. $#$src) {
598 0 <= aio_load $src->[$_], $data[$_]
599 or Carp::croak "$src->[$_]: $!";
600 }
601
602 # if processing is expensive, check
603 # checksum first
604 if (1) {
605 $md5 =
606 join "\x00",
607 $processversion,
608 map {
609 cf::cede_to_tick;
610 ($src->[$_], Digest::MD5::md5_hex $data[$_])
611 } 0.. $#$src;
612
613
614 my $dbmd5 = db_get cache => "$id/md5";
615 if ($dbmd5 eq $md5) {
616 db_put cache => "$id/meta", $meta;
617
618 return db_get cache => "$id/data";
619 }
620 }
621
622 my $t1 = Time::HiRes::time;
623 my $data = $process->(\@data);
624 my $t2 = Time::HiRes::time;
625
626 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
627
628 db_put cache => "$id/data", $data;
629 db_put cache => "$id/md5" , $md5;
630 db_put cache => "$id/meta", $meta;
631
632 return $data;
633 }
634
635 db_get cache => "$id/data"
636}
637
638=item cf::datalog type => key => value, ...
639
640Log a datalog packet of the given type with the given key-value pairs.
641
642=cut
643
644sub datalog($@) {
645 my ($type, %kv) = @_;
646 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362} 647}
363 648
364=back 649=back
365 650
366=cut 651=cut
367
368#############################################################################
369
370package cf::path;
371
372# used to convert map paths into valid unix filenames by repalcing / by ∕
373our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375sub new {
376 my ($class, $path, $base) = @_;
377
378 $path = $path->as_string if ref $path;
379
380 my $self = bless { }, $class;
381
382 # {... are special paths that are not touched
383 # ?xxx/... are special absolute paths
384 # ?random/... random maps
385 # /! non-realised random map exit
386 # /... normal maps
387 # ~/... per-player maps without a specific player (DO NOT USE)
388 # ~user/... per-player map of a specific user
389
390 if ($path =~ /^{/) {
391 # fine as it is
392 } elsif ($path =~ s{^\?random/}{}) {
393 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394 $self->{random} = cf::from_json $data;
395 } else {
396 if ($path =~ s{^~([^/]+)?}{}) {
397 $self->{user_rel} = 1;
398
399 if (defined $1) {
400 $self->{user} = $1;
401 } elsif ($base =~ m{^~([^/]+)/}) {
402 $self->{user} = $1;
403 } else {
404 warn "cannot resolve user-relative path without user <$path,$base>\n";
405 }
406 } elsif ($path =~ /^\//) {
407 # already absolute
408 } else {
409 $base =~ s{[^/]+/?$}{};
410 return $class->new ("$base/$path");
411 }
412
413 for ($path) {
414 redo if s{/\.?/}{/};
415 redo if s{/[^/]+/\.\./}{/};
416 }
417 }
418
419 $self->{path} = $path;
420
421 $self
422}
423
424# the name / primary key / in-game path
425sub as_string {
426 my ($self) = @_;
427
428 $self->{user_rel} ? "~$self->{user}$self->{path}"
429 : $self->{random} ? "?random/$self->{path}"
430 : $self->{path}
431}
432
433# the displayed name, this is a one way mapping
434sub visible_name {
435 my ($self) = @_;
436
437# if (my $rmp = $self->{random}) {
438# # todo: be more intelligent about this
439# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440# } else {
441 $self->as_string
442# }
443}
444
445# escape the /'s in the path
446sub _escaped_path {
447 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448 $path
449}
450
451# the original (read-only) location
452sub load_path {
453 my ($self) = @_;
454
455 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456}
457
458# the temporary/swap location
459sub save_path {
460 my ($self) = @_;
461
462 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465}
466
467# the unique path, might be eq to save_path
468sub uniq_path {
469 my ($self) = @_;
470
471 $self->{user_rel} || $self->{random}
472 ? undef
473 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474}
475
476# return random map parameters, or undef
477sub random_map_params {
478 my ($self) = @_;
479
480 $self->{random}
481}
482
483# this is somewhat ugly, but style maps do need special treatment
484sub is_style_map {
485 $_[0]{path} =~ m{^/styles/}
486}
487
488package cf;
489 652
490############################################################################# 653#############################################################################
491 654
492=head2 ATTACHABLE OBJECTS 655=head2 ATTACHABLE OBJECTS
493 656
… …
495attach callbacks/event handlers (a collection of which is called an "attachment") 658attach callbacks/event handlers (a collection of which is called an "attachment")
496to it. All such attachable objects support the following methods. 659to it. All such attachable objects support the following methods.
497 660
498In the following description, CLASS can be any of C<global>, C<object> 661In the following description, CLASS can be any of C<global>, C<object>
499C<player>, C<client> or C<map> (i.e. the attachable objects in 662C<player>, C<client> or C<map> (i.e. the attachable objects in
500crossfire+). 663Crossfire TRT).
501 664
502=over 4 665=over 4
503 666
504=item $attachable->attach ($attachment, key => $value...) 667=item $attachable->attach ($attachment, key => $value...)
505 668
… …
619our @CB_TYPE = (); # registry for type (cf-object class) based events 782our @CB_TYPE = (); # registry for type (cf-object class) based events
620our @CB_MAP = (); 783our @CB_MAP = ();
621 784
622my %attachment; 785my %attachment;
623 786
787sub cf::attachable::thawer_merge {
788 # simply override everything except _meta
789 local $_[0]{_meta};
790 %{$_[0]} = %{$_[1]};
791}
792
624sub _attach_cb($$$$) { 793sub _attach_cb($$$$) {
625 my ($registry, $event, $prio, $cb) = @_; 794 my ($registry, $event, $prio, $cb) = @_;
626 795
627 use sort 'stable'; 796 use sort 'stable';
628 797
… …
662 $registry = $CB_TYPE[$object_type] ||= []; 831 $registry = $CB_TYPE[$object_type] ||= [];
663 832
664 } elsif ($type eq "subtype") { 833 } elsif ($type eq "subtype") {
665 defined $object_type or Carp::croak "subtype specified without type"; 834 defined $object_type or Carp::croak "subtype specified without type";
666 my $object_subtype = shift @arg; 835 my $object_subtype = shift @arg;
667 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 836 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668 837
669 } elsif ($type eq "package") { 838 } elsif ($type eq "package") {
670 my $pkg = shift @arg; 839 my $pkg = shift @arg;
671 840
672 while (my ($name, $id) = each %cb_id) { 841 while (my ($name, $id) = each %cb_id) {
… …
701 _attach $registry, $klass, @attach; 870 _attach $registry, $klass, @attach;
702 } 871 }
703 872
704 $obj->{$name} = \%arg; 873 $obj->{$name} = \%arg;
705 } else { 874 } else {
706 warn "object uses attachment '$name' that is not available, postponing.\n"; 875 warn "object uses attachment '$name' which is not available, postponing.\n";
707 } 876 }
708 877
709 $obj->{_attachment}{$name} = undef; 878 $obj->{_attachment}{$name} = undef;
710} 879}
711 880
… …
713 if (ref $_[0]) { 882 if (ref $_[0]) {
714 _object_attach @_; 883 _object_attach @_;
715 } else { 884 } else {
716 _attach shift->_attach_registry, @_; 885 _attach shift->_attach_registry, @_;
717 } 886 }
887 _recalc_want;
718}; 888};
719 889
720# all those should be optimised 890# all those should be optimised
721sub cf::attachable::detach { 891sub cf::attachable::detach {
722 my ($obj, $name) = @_; 892 my ($obj, $name) = @_;
… …
725 delete $obj->{_attachment}{$name}; 895 delete $obj->{_attachment}{$name};
726 reattach ($obj); 896 reattach ($obj);
727 } else { 897 } else {
728 Carp::croak "cannot, currently, detach class attachments"; 898 Carp::croak "cannot, currently, detach class attachments";
729 } 899 }
900 _recalc_want;
730}; 901};
731 902
732sub cf::attachable::attached { 903sub cf::attachable::attached {
733 my ($obj, $name) = @_; 904 my ($obj, $name) = @_;
734 905
… …
749 "; 920 ";
750 die if $@; 921 die if $@;
751} 922}
752 923
753our $override; 924our $override;
754our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 925our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755 926
756sub override { 927sub override {
757 $override = 1; 928 $override = 1;
758 @invoke_results = (); 929 @INVOKE_RESULTS = (@_);
759} 930}
760 931
761sub do_invoke { 932sub do_invoke {
762 my $event = shift; 933 my $event = shift;
763 my $callbacks = shift; 934 my $callbacks = shift;
764 935
765 @invoke_results = (); 936 @INVOKE_RESULTS = ();
766 937
767 local $override; 938 local $override;
768 939
769 for (@$callbacks) { 940 for (@$callbacks) {
770 eval { &{$_->[1]} }; 941 eval { &{$_->[1]} };
… …
787 958
788Generate an object-specific event with the given arguments. 959Generate an object-specific event with the given arguments.
789 960
790This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 961This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791removed in future versions), and there is no public API to access override 962removed in future versions), and there is no public API to access override
792results (if you must, access C<@cf::invoke_results> directly). 963results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793 964
794=back 965=back
795 966
796=cut 967=cut
797 968
798############################################################################# 969#############################################################################
799# object support 970# object support
971#
972
973sub _can_merge {
974 my ($ob1, $ob2) = @_;
975
976 local $Storable::canonical = 1;
977 my $fob1 = Storable::freeze $ob1;
978 my $fob2 = Storable::freeze $ob2;
979
980 $fob1 eq $fob2
981}
800 982
801sub reattach { 983sub reattach {
802 # basically do the same as instantiate, without calling instantiate 984 # basically do the same as instantiate, without calling instantiate
803 my ($obj) = @_; 985 my ($obj) = @_;
986
987 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804 988
805 my $registry = $obj->registry; 989 my $registry = $obj->registry;
806 990
807 @$registry = (); 991 @$registry = ();
808 992
… …
849sub object_freezer_save { 1033sub object_freezer_save {
850 my ($filename, $rdata, $objs) = @_; 1034 my ($filename, $rdata, $objs) = @_;
851 1035
852 sync_job { 1036 sync_job {
853 if (length $$rdata) { 1037 if (length $$rdata) {
1038 utf8::decode (my $decname = $filename);
854 warn sprintf "saving %s (%d,%d)\n", 1039 warn sprintf "saving %s (%d,%d)\n",
855 $filename, length $$rdata, scalar @$objs; 1040 $decname, length $$rdata, scalar @$objs;
856 1041
857 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1042 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858 chmod SAVE_MODE, $fh; 1043 chmod SAVE_MODE, $fh;
859 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1044 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860 aio_fsync $fh; 1045 aio_fsync $fh if $cf::USE_FSYNC;
861 close $fh; 1046 close $fh;
862 1047
863 if (@$objs) { 1048 if (@$objs) {
864 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1049 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865 chmod SAVE_MODE, $fh; 1050 chmod SAVE_MODE, $fh;
866 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1051 my $data = Storable::nfreeze { version => 1, objs => $objs };
867 aio_write $fh, 0, (length $data), $data, 0; 1052 aio_write $fh, 0, (length $data), $data, 0;
868 aio_fsync $fh; 1053 aio_fsync $fh if $cf::USE_FSYNC;
869 close $fh; 1054 close $fh;
870 aio_rename "$filename.pst~", "$filename.pst"; 1055 aio_rename "$filename.pst~", "$filename.pst";
871 } 1056 }
872 } else { 1057 } else {
873 aio_unlink "$filename.pst"; 1058 aio_unlink "$filename.pst";
… …
879 } 1064 }
880 } else { 1065 } else {
881 aio_unlink $filename; 1066 aio_unlink $filename;
882 aio_unlink "$filename.pst"; 1067 aio_unlink "$filename.pst";
883 } 1068 }
884 } 1069 };
885} 1070}
886 1071
887sub object_freezer_as_string { 1072sub object_freezer_as_string {
888 my ($rdata, $objs) = @_; 1073 my ($rdata, $objs) = @_;
889 1074
… …
901 or return; 1086 or return;
902 1087
903 unless (aio_stat "$filename.pst") { 1088 unless (aio_stat "$filename.pst") {
904 (aio_load "$filename.pst", $av) >= 0 1089 (aio_load "$filename.pst", $av) >= 0
905 or return; 1090 or return;
1091
906 $av = eval { (Storable::thaw $av)->{objs} }; 1092 $av = eval { (Storable::thaw $av)->{objs} };
907 } 1093 }
908 1094
1095 utf8::decode (my $decname = $filename);
909 warn sprintf "loading %s (%d)\n", 1096 warn sprintf "loading %s (%d,%d)\n",
910 $filename, length $data, scalar @{$av || []};#d# 1097 $decname, length $data, scalar @{$av || []};
1098
911 return ($data, $av); 1099 ($data, $av)
912} 1100}
1101
1102=head2 COMMAND CALLBACKS
1103
1104=over 4
1105
1106=cut
913 1107
914############################################################################# 1108#############################################################################
915# command handling &c 1109# command handling &c
916 1110
917=item cf::register_command $name => \&callback($ob,$args); 1111=item cf::register_command $name => \&callback($ob,$args);
… …
930 push @{ $COMMAND{$name} }, [$caller, $cb]; 1124 push @{ $COMMAND{$name} }, [$caller, $cb];
931} 1125}
932 1126
933=item cf::register_extcmd $name => \&callback($pl,$packet); 1127=item cf::register_extcmd $name => \&callback($pl,$packet);
934 1128
935Register a callbackf ro execution when the client sends an extcmd packet. 1129Register a callback for execution when the client sends an (synchronous)
1130extcmd packet. Ext commands will be processed in the order they are
1131received by the server, like other user commands. The first argument is
1132the logged-in player. Ext commands can only be processed after a player
1133has logged in successfully.
936 1134
937If the callback returns something, it is sent back as if reply was being 1135If the callback returns something, it is sent back as if reply was being
938called. 1136called.
939 1137
1138=item cf::register_exticmd $name => \&callback($ns,$packet);
1139
1140Register a callback for execution when the client sends an (asynchronous)
1141exticmd packet. Exti commands are processed by the server as soon as they
1142are received, i.e. out of order w.r.t. other commands. The first argument
1143is a client socket. Exti commands can be received anytime, even before
1144log-in.
1145
1146If the callback returns something, it is sent back as if reply was being
1147called.
1148
940=cut 1149=cut
941 1150
942sub register_extcmd { 1151sub register_extcmd {
943 my ($name, $cb) = @_; 1152 my ($name, $cb) = @_;
944 1153
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 1154 $EXTCMD{$name} = $cb;
1155}
1156
1157sub register_exticmd {
1158 my ($name, $cb) = @_;
1159
1160 $EXTICMD{$name} = $cb;
949} 1161}
950 1162
951cf::player->attach ( 1163cf::player->attach (
952 on_command => sub { 1164 on_command => sub {
953 my ($pl, $name, $params) = @_; 1165 my ($pl, $name, $params) = @_;
… …
962 cf::override; 1174 cf::override;
963 }, 1175 },
964 on_extcmd => sub { 1176 on_extcmd => sub {
965 my ($pl, $buf) = @_; 1177 my ($pl, $buf) = @_;
966 1178
967 my $msg = eval { from_json $buf }; 1179 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968 1180
969 if (ref $msg) { 1181 if (ref $msg) {
1182 my ($type, $reply, @payload) =
1183 "ARRAY" eq ref $msg
1184 ? @$msg
1185 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1186
1187 my @reply;
1188
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1189 if (my $cb = $EXTCMD{$type}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 1190 @reply = $cb->($pl, @payload);
972 $pl->ext_reply ($msg->{msgid}, %reply);
973 }
974 } 1191 }
1192
1193 $pl->ext_reply ($reply, @reply)
1194 if $reply;
1195
975 } else { 1196 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1197 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977 } 1198 }
978 1199
979 cf::override; 1200 cf::override;
980 }, 1201 },
981); 1202);
982 1203
983sub register {
984 my ($base, $pkg) = @_;
985
986 #TODO
987}
988
989sub load_extension {
990 my ($path) = @_;
991
992 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
993 my $base = $1;
994 my $pkg = $1;
995 $pkg =~ s/[^[:word:]]/_/g;
996 $pkg = "ext::$pkg";
997
998 warn "loading '$path' into '$pkg'\n";
999
1000 open my $fh, "<:utf8", $path
1001 or die "$path: $!";
1002
1003 my $source =
1004 "package $pkg; use strict; use utf8;\n"
1005 . "#line 1 \"$path\"\n{\n"
1006 . (do { local $/; <$fh> })
1007 . "\n};\n1";
1008
1009 eval $source
1010 or die $@ ? "$path: $@\n"
1011 : "extension disabled.\n";
1012
1013 push @exts, $pkg;
1014 $ext_pkg{$base} = $pkg;
1015
1016# no strict 'refs';
1017# @{"$pkg\::ISA"} = ext::;
1018
1019 register $base, $pkg;
1020}
1021
1022sub unload_extension {
1023 my ($pkg) = @_;
1024
1025 warn "removing extension $pkg\n";
1026
1027 # remove hooks
1028 #TODO
1029# for my $idx (0 .. $#PLUGIN_EVENT) {
1030# delete $hook[$idx]{$pkg};
1031# }
1032
1033 # remove commands
1034 for my $name (keys %COMMAND) {
1035 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037 if (@cb) {
1038 $COMMAND{$name} = \@cb;
1039 } else {
1040 delete $COMMAND{$name};
1041 }
1042 }
1043
1044 # remove extcmds
1045 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046 delete $EXTCMD{$name};
1047 }
1048
1049 if (my $cb = $pkg->can ("unload")) {
1050 eval {
1051 $cb->($pkg);
1052 1
1053 } or warn "$pkg unloaded, but with errors: $@";
1054 }
1055
1056 Symbol::delete_package $pkg;
1057}
1058
1059sub load_extensions { 1204sub load_extensions {
1205 cf::sync_job {
1206 my %todo;
1207
1060 for my $ext (<$LIBDIR/*.ext>) { 1208 for my $path (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 1209 next unless -r $path;
1062 eval { 1210
1063 load_extension $ext; 1211 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1212 my $base = $1;
1213 my $pkg = $1;
1214 $pkg =~ s/[^[:word:]]/_/g;
1215 $pkg = "ext::$pkg";
1216
1217 open my $fh, "<:utf8", $path
1218 or die "$path: $!";
1219
1220 my $source = do { local $/; <$fh> };
1221
1222 my %ext = (
1223 path => $path,
1224 base => $base,
1225 pkg => $pkg,
1226 );
1227
1228 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1229 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1230
1231 $ext{source} =
1232 "package $pkg; use strict; use utf8;\n"
1233 . "#line 1 \"$path\"\n{\n"
1234 . $source
1235 . "\n};\n1";
1236
1237 $todo{$base} = \%ext;
1238 }
1239
1240 my %done;
1241 while (%todo) {
1242 my $progress;
1243
1244 while (my ($k, $v) = each %todo) {
1245 for (split /,\s*/, $v->{meta}{depends}) {
1246 goto skip
1247 unless exists $done{$_};
1248 }
1249
1250 warn "... loading '$k' into '$v->{pkg}'\n";
1251
1252 unless (eval $v->{source}) {
1253 my $msg = $@ ? "$v->{path}: $@\n"
1254 : "$v->{base}: extension inactive.\n";
1255
1256 if (exists $v->{meta}{mandatory}) {
1257 warn $msg;
1258 warn "mandatory extension failed to load, exiting.\n";
1259 exit 1;
1260 }
1261
1262 warn $msg;
1263 }
1264
1265 $done{$k} = delete $todo{$k};
1266 push @EXTS, $v->{pkg};
1267 $progress = 1;
1064 1 1268 }
1065 } or warn "$ext not loaded: $@"; 1269
1270 skip:
1271 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1272 unless $progress;
1273 }
1066 } 1274 };
1067} 1275}
1068 1276
1069############################################################################# 1277#############################################################################
1070# load/save/clean perl data associated with a map
1071 1278
1072*cf::mapsupport::on_clean = sub { 1279=back
1073 my ($map) = @_;
1074
1075 my $path = $map->tmpname;
1076 defined $path or return;
1077
1078 unlink "$path.pst";
1079};
1080
1081cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083#############################################################################
1084 1280
1085=head2 CORE EXTENSIONS 1281=head2 CORE EXTENSIONS
1086 1282
1087Functions and methods that extend core crossfire objects. 1283Functions and methods that extend core crossfire objects.
1088 1284
… …
1094 1290
1095=head3 cf::player 1291=head3 cf::player
1096 1292
1097=over 4 1293=over 4
1098 1294
1295=item cf::player::num_playing
1296
1297Returns the official number of playing players, as per the Crossfire metaserver rules.
1298
1299=cut
1300
1301sub num_playing {
1302 scalar grep
1303 $_->ob->map
1304 && !$_->hidden
1305 && !$_->ob->flag (cf::FLAG_WIZ),
1306 cf::player::list
1307}
1308
1099=item cf::player::find $login 1309=item cf::player::find $login
1100 1310
1101Returns the given player object, loading it if necessary (might block). 1311Returns the given player object, loading it if necessary (might block).
1102 1312
1103=cut 1313=cut
1104 1314
1105sub playerdir($) { 1315sub playerdir($) {
1106 cf::localdir 1316 "$PLAYERDIR/"
1107 . "/"
1108 . cf::playerdir
1109 . "/"
1110 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1317 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1111} 1318}
1112 1319
1113sub path($) { 1320sub path($) {
1114 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1321 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115 1322
1116 (playerdir $login) . "/$login.pl" 1323 (playerdir $login) . "/playerdata"
1117} 1324}
1118 1325
1119sub find_active($) { 1326sub find_active($) {
1120 $cf::PLAYER{$_[0]} 1327 $cf::PLAYER{$_[0]}
1121 and $cf::PLAYER{$_[0]}->active 1328 and $cf::PLAYER{$_[0]}->active
… …
1124 1331
1125sub exists($) { 1332sub exists($) {
1126 my ($login) = @_; 1333 my ($login) = @_;
1127 1334
1128 $cf::PLAYER{$login} 1335 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 1336 or cf::sync_job { !aio_stat path $login }
1130} 1337}
1131 1338
1132sub find($) { 1339sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 1340 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 1341 my $login = $_[0];
1135 1342
1136 my $guard = cf::lock_acquire "user_find:$login"; 1343 my $guard = cf::lock_acquire "user_find:$login";
1137 1344
1138 $cf::PLAYER{$_[0]} || do { 1345 $cf::PLAYER{$_[0]} || do {
1139 my $pl = load_pl path $login 1346 # rename old playerfiles to new ones
1347 #TODO: remove when no longer required
1348 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1349 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1350 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1351 aio_unlink +(playerdir $login) . "/$login.pl";
1352
1353 my $f = new_from_file cf::object::thawer path $login
1140 or return; 1354 or return;
1355
1356 my $pl = cf::player::load_pl $f
1357 or return;
1358 local $cf::PLAYER_LOADING{$login} = $pl;
1359 $f->resolve_delayed_derefs;
1141 $cf::PLAYER{$login} = $pl 1360 $cf::PLAYER{$login} = $pl
1142 } 1361 }
1143 } 1362 }
1144} 1363}
1145 1364
… …
1155 1374
1156 aio_mkdir playerdir $pl, 0770; 1375 aio_mkdir playerdir $pl, 0770;
1157 $pl->{last_save} = $cf::RUNTIME; 1376 $pl->{last_save} = $cf::RUNTIME;
1158 1377
1159 $pl->save_pl ($path); 1378 $pl->save_pl ($path);
1160 Coro::cede; 1379 cf::cede_to_tick;
1161} 1380}
1162 1381
1163sub new($) { 1382sub new($) {
1164 my ($login) = @_; 1383 my ($login) = @_;
1165 1384
… …
1171 $cf::PLAYER{$login} = $self; 1390 $cf::PLAYER{$login} = $self;
1172 1391
1173 $self 1392 $self
1174} 1393}
1175 1394
1395=item $player->send_msg ($channel, $msg, $color, [extra...])
1396
1397=cut
1398
1399sub send_msg {
1400 my $ns = shift->ns
1401 or return;
1402 $ns->send_msg (@_);
1403}
1404
1176=item $pl->quit_character 1405=item $pl->quit_character
1177 1406
1178Nukes the player without looking back. If logged in, the connection will 1407Nukes the player without looking back. If logged in, the connection will
1179be destroyed. May block for a long time. 1408be destroyed. May block for a long time.
1180 1409
1181=cut 1410=cut
1182 1411
1183sub quit_character { 1412sub quit_character {
1184 my ($pl) = @_; 1413 my ($pl) = @_;
1414
1415 my $name = $pl->ob->name;
1185 1416
1186 $pl->{deny_save} = 1; 1417 $pl->{deny_save} = 1;
1187 $pl->password ("*"); # this should lock out the player until we nuked the dir 1418 $pl->password ("*"); # this should lock out the player until we nuked the dir
1188 1419
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1420 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1194 my $path = playerdir $pl; 1425 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1426 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1427 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1428 delete $cf::PLAYER{$pl->ob->name};
1198 $pl->destroy; 1429 $pl->destroy;
1430
1431 my $prefix = qr<^~\Q$name\E/>;
1432
1433 # nuke player maps
1434 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1435
1199 IO::AIO::aio_rmtree $temp; 1436 IO::AIO::aio_rmtree $temp;
1437}
1438
1439=item $pl->kick
1440
1441Kicks a player out of the game. This destroys the connection.
1442
1443=cut
1444
1445sub kick {
1446 my ($pl, $kicker) = @_;
1447
1448 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1449 $pl->killer ("kicked");
1450 $pl->ns->destroy;
1200} 1451}
1201 1452
1202=item cf::player::list_logins 1453=item cf::player::list_logins
1203 1454
1204Returns am arrayref of all valid playernames in the system, can take a 1455Returns am arrayref of all valid playernames in the system, can take a
1205while and may block, so not sync_job-capable, ever. 1456while and may block, so not sync_job-capable, ever.
1206 1457
1207=cut 1458=cut
1208 1459
1209sub list_logins { 1460sub list_logins {
1210 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1461 my $dirs = aio_readdir $PLAYERDIR
1211 or return []; 1462 or return [];
1212 1463
1213 my @logins; 1464 my @logins;
1214 1465
1215 for my $login (@$dirs) { 1466 for my $login (@$dirs) {
1467 my $path = path $login;
1468
1469 # a .pst is a dead give-away for a valid player
1470 unless (-e "$path.pst") {
1216 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1471 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217 aio_read $fh, 0, 512, my $buf, 0 or next; 1472 aio_read $fh, 0, 512, my $buf, 0 or next;
1218 $buf !~ /^password -------------$/m or next; # official not-valid tag 1473 $buf !~ /^password -------------$/m or next; # official not-valid tag
1474 }
1219 1475
1220 utf8::decode $login; 1476 utf8::decode $login;
1221 push @logins, $login; 1477 push @logins, $login;
1222 } 1478 }
1223 1479
1224 \@logins 1480 \@logins
1225} 1481}
1226 1482
1227=item $player->maps 1483=item $player->maps
1228 1484
1229Returns an arrayref of cf::path's of all maps that are private for this 1485Returns an arrayref of map paths that are private for this
1230player. May block. 1486player. May block.
1231 1487
1232=cut 1488=cut
1233 1489
1234sub maps($) { 1490sub maps($) {
1235 my ($pl) = @_; 1491 my ($pl) = @_;
1492
1493 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1494
1237 my $files = aio_readdir playerdir $pl 1495 my $files = aio_readdir playerdir $pl
1238 or return; 1496 or return;
1239 1497
1240 my @paths; 1498 my @paths;
1241 1499
1242 for (@$files) { 1500 for (@$files) {
1243 utf8::decode $_; 1501 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1502 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1503 next unless /^$PATH_SEP/o;
1246 1504
1247 s/$PATH_SEP/\//g; 1505 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1506 }
1250 1507
1251 \@paths 1508 \@paths
1252} 1509}
1253 1510
1511=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1512
1513Expand crossfire pod fragments into protocol xml.
1514
1515=cut
1516
1517sub expand_cfpod {
1518 ((my $self), (local $_)) = @_;
1519
1520 # escape & and <
1521 s/&/&amp;/g;
1522 s/(?<![BIUGHT])</&lt;/g;
1523
1524 # this is buggy, it needs to properly take care of nested <'s
1525
1526 1 while
1527 # replace B<>, I<>, U<> etc.
1528 s/B<([^\>]*)>/<b>$1<\/b>/
1529 || s/I<([^\>]*)>/<i>$1<\/i>/
1530 || s/U<([^\>]*)>/<u>$1<\/u>/
1531 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1532 # replace G<male|female> tags
1533 || s{G<([^>|]*)\|([^>]*)>}{
1534 $self->gender ? $2 : $1
1535 }ge
1536 # replace H<hint text>
1537 || s{H<([^\>]*)>}
1538 {
1539 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1540 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1541 "")
1542 [$self->{hintmode}]
1543 }ge;
1544
1545 # create single paragraphs (very hackish)
1546 s/(?<=\S)\n(?=\w)/ /g;
1547
1548 # compress some whitespace
1549 s/\s+\n/\n/g; # ws line-ends
1550 s/\n\n+/\n/g; # double lines
1551 s/^\n+//; # beginning lines
1552 s/\n+$//; # ending lines
1553
1554 $_
1555}
1556
1557sub hintmode {
1558 $_[0]{hintmode} = $_[1] if @_ > 1;
1559 $_[0]{hintmode}
1560}
1561
1254=item $player->ext_reply ($msgid, $msgtype, %msg) 1562=item $player->ext_reply ($msgid, @msg)
1255 1563
1256Sends an ext reply to the player. 1564Sends an ext reply to the player.
1257 1565
1258=cut 1566=cut
1259 1567
1260sub ext_reply($$$%) { 1568sub ext_reply($$@) {
1261 my ($self, $id, %msg) = @_; 1569 my ($self, $id, @msg) = @_;
1262 1570
1263 $msg{msgid} = $id; 1571 $self->ns->ext_reply ($id, @msg)
1264
1265 $self->send ("ext " . cf::to_json \%msg);
1266} 1572}
1267 1573
1268package cf; 1574=item $player->ext_msg ($type, @msg)
1575
1576Sends an ext event to the client.
1577
1578=cut
1579
1580sub ext_msg($$@) {
1581 my ($self, $type, @msg) = @_;
1582
1583 $self->ns->ext_msg ($type, @msg);
1584}
1585
1586=head3 cf::region
1587
1588=over 4
1589
1590=cut
1591
1592package cf::region;
1593
1594=item cf::region::find_by_path $path
1595
1596Tries to decuce the likely region for a map knowing only its path.
1597
1598=cut
1599
1600sub find_by_path($) {
1601 my ($path) = @_;
1602
1603 my ($match, $specificity);
1604
1605 for my $region (list) {
1606 if ($region->{match} && $path =~ $region->{match}) {
1607 ($match, $specificity) = ($region, $region->specificity)
1608 if $region->specificity > $specificity;
1609 }
1610 }
1611
1612 $match
1613}
1269 1614
1270=back 1615=back
1271
1272 1616
1273=head3 cf::map 1617=head3 cf::map
1274 1618
1275=over 4 1619=over 4
1276 1620
… …
1279package cf::map; 1623package cf::map;
1280 1624
1281use Fcntl; 1625use Fcntl;
1282use Coro::AIO; 1626use Coro::AIO;
1283 1627
1628use overload
1629 '""' => \&as_string,
1630 fallback => 1;
1631
1284our $MAX_RESET = 3600; 1632our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1633our $DEFAULT_RESET = 3000;
1286 1634
1287sub generate_random_map { 1635sub generate_random_map {
1288 my ($path, $rmp) = @_; 1636 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1637 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1638 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1639 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1640 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1641 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1642 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1643 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1644 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1645 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1646 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1647 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1648 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1649 (cf::region::find $rmp->{region}), $rmp->{custom}
1650 )
1651}
1652
1653=item cf::map->register ($regex, $prio)
1654
1655Register a handler for the map path matching the given regex at the
1656givne priority (higher is better, built-in handlers have priority 0, the
1657default).
1658
1659=cut
1660
1661sub register {
1662 my (undef, $regex, $prio) = @_;
1663 my $pkg = caller;
1664
1665 no strict;
1666 push @{"$pkg\::ISA"}, __PACKAGE__;
1667
1668 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1669}
1670
1671# also paths starting with '/'
1672$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1673
1674sub thawer_merge {
1675 my ($self, $merge) = @_;
1676
1677 # we have to keep some variables in memory intact
1678 local $self->{path};
1679 local $self->{load_path};
1680
1681 $self->SUPER::thawer_merge ($merge);
1682}
1683
1684sub normalise {
1685 my ($path, $base) = @_;
1686
1687 $path = "$path"; # make sure its a string
1688
1689 $path =~ s/\.map$//;
1690
1691 # map plan:
1692 #
1693 # /! non-realised random map exit (special hack!)
1694 # {... are special paths that are not being touched
1695 # ?xxx/... are special absolute paths
1696 # ?random/... random maps
1697 # /... normal maps
1698 # ~user/... per-player map of a specific user
1699
1700 $path =~ s/$PATH_SEP/\//go;
1701
1702 # treat it as relative path if it starts with
1703 # something that looks reasonable
1704 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1705 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1706
1707 $base =~ s{[^/]+/?$}{};
1708 $path = "$base/$path";
1709 }
1710
1711 for ($path) {
1712 redo if s{//}{/};
1713 redo if s{/\.?/}{/};
1714 redo if s{/[^/]+/\.\./}{/};
1715 }
1716
1717 $path
1718}
1719
1720sub new_from_path {
1721 my (undef, $path, $base) = @_;
1722
1723 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1724
1725 $path = normalise $path, $base;
1726
1727 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1728 if ($path =~ $EXT_MAP{$pkg}[1]) {
1729 my $self = bless cf::map::new, $pkg;
1730 $self->{path} = $path; $self->path ($path);
1731 $self->init; # pass $1 etc.
1732 return $self;
1733 }
1734 }
1735
1736 Carp::cluck "unable to resolve path '$path' (base '$base').";
1737 ()
1738}
1739
1740sub init {
1741 my ($self) = @_;
1742
1743 $self
1744}
1745
1746sub as_string {
1747 my ($self) = @_;
1748
1749 "$self->{path}"
1750}
1751
1752# the displayed name, this is a one way mapping
1753sub visible_name {
1754 &as_string
1755}
1756
1757# the original (read-only) location
1758sub load_path {
1759 my ($self) = @_;
1760
1761 "$MAPDIR/$self->{path}.map"
1762}
1763
1764# the temporary/swap location
1765sub save_path {
1766 my ($self) = @_;
1767
1768 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1769 "$TMPDIR/$path.map"
1770}
1771
1772# the unique path, undef == no special unique path
1773sub uniq_path {
1774 my ($self) = @_;
1775
1776 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1777 "$UNIQUEDIR/$path"
1304} 1778}
1305 1779
1306# and all this just because we cannot iterate over 1780# and all this just because we cannot iterate over
1307# all maps in C++... 1781# all maps in C++...
1308sub change_all_map_light { 1782sub change_all_map_light {
… …
1310 1784
1311 $_->change_map_light ($change) 1785 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1786 for grep $_->outdoor, values %cf::MAP;
1313} 1787}
1314 1788
1789sub decay_objects {
1790 my ($self) = @_;
1791
1792 return if $self->{deny_reset};
1793
1794 $self->do_decay_objects;
1795}
1796
1797sub unlink_save {
1798 my ($self) = @_;
1799
1800 utf8::encode (my $save = $self->save_path);
1801 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1802 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1803}
1804
1315sub try_load_header($) { 1805sub load_header_from($) {
1316 my ($path) = @_; 1806 my ($self, $path) = @_;
1317 1807
1318 utf8::encode $path; 1808 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1809 my $f = new_from_file cf::object::thawer $path
1320 or return; 1810 or return;
1321 1811
1322 my $map = cf::map::new 1812 $self->_load_header ($f)
1323 or return; 1813 or return;
1324 1814
1325 # for better error messages only, will be overwritten 1815 local $MAP_LOADING{$self->{path}} = $self;
1326 $map->path ($path); 1816 $f->resolve_delayed_derefs;
1327 1817
1328 $map->load_header ($path) 1818 $self->{load_path} = $path;
1819
1820 1
1821}
1822
1823sub load_header_orig {
1824 my ($self) = @_;
1825
1826 $self->load_header_from ($self->load_path)
1827}
1828
1829sub load_header_temp {
1830 my ($self) = @_;
1831
1832 $self->load_header_from ($self->save_path)
1833}
1834
1835sub prepare_temp {
1836 my ($self) = @_;
1837
1838 $self->last_access ((delete $self->{last_access})
1839 || $cf::RUNTIME); #d#
1840 # safety
1841 $self->{instantiate_time} = $cf::RUNTIME
1842 if $self->{instantiate_time} > $cf::RUNTIME;
1843}
1844
1845sub prepare_orig {
1846 my ($self) = @_;
1847
1848 $self->{load_original} = 1;
1849 $self->{instantiate_time} = $cf::RUNTIME;
1850 $self->last_access ($cf::RUNTIME);
1851 $self->instantiate;
1852}
1853
1854sub load_header {
1855 my ($self) = @_;
1856
1857 if ($self->load_header_temp) {
1858 $self->prepare_temp;
1859 } else {
1860 $self->load_header_orig
1329 or return; 1861 or return;
1862 $self->prepare_orig;
1863 }
1330 1864
1331 $map->{load_path} = $path; 1865 $self->{deny_reset} = 1
1866 if $self->no_reset;
1332 1867
1333 $map 1868 $self->default_region (cf::region::find_by_path $self->{path})
1869 unless $self->default_region;
1870
1871 1
1334} 1872}
1335 1873
1336sub find; 1874sub find;
1337sub find { 1875sub find {
1338 my ($path, $origin) = @_; 1876 my ($path, $origin) = @_;
1339 1877
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1878 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1879
1880 cf::lock_wait "map_data:$path";#d#remove
1345 cf::lock_wait "map_find:$key"; 1881 cf::lock_wait "map_find:$path";
1346 1882
1347 $cf::MAP{$key} || do { 1883 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1884 my $guard1 = cf::lock_acquire "map_find:$path";
1885 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1349 1886
1350 # do it the slow way 1887 my $map = new_from_path cf::map $path
1351 my $map = try_load_header $path->save_path;
1352
1353 Coro::cede;
1354
1355 if ($map) {
1356 $map->last_access ((delete $map->{last_access})
1357 || $cf::RUNTIME); #d#
1358 # safety
1359 $map->{instantiate_time} = $cf::RUNTIME
1360 if $map->{instantiate_time} > $cf::RUNTIME;
1361 } else {
1362 if (my $rmp = $path->random_map_params) {
1363 $map = generate_random_map $key, $rmp;
1364 } else {
1365 $map = try_load_header $path->load_path;
1366 }
1367
1368 $map or return; 1888 or return;
1369 1889
1370 $map->{load_original} = 1;
1371 $map->{instantiate_time} = $cf::RUNTIME;
1372 $map->last_access ($cf::RUNTIME);
1373 $map->instantiate;
1374
1375 # per-player maps become, after loading, normal maps
1376 $map->per_player (0) if $path->{user_rel};
1377 }
1378
1379 $map->path ($key);
1380 $map->{path} = $path;
1381 $map->{last_save} = $cf::RUNTIME; 1890 $map->{last_save} = $cf::RUNTIME;
1382 1891
1383 Coro::cede; 1892 $map->load_header
1893 or return;
1384 1894
1385 if ($map->should_reset) { 1895 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1896 # doing this can freeze the server in a sync job, obviously
1897 #$cf::WAIT_FOR_TICK->wait;
1898 undef $guard1;
1899 undef $guard2;
1386 $map->reset; 1900 $map->reset;
1387 undef $guard;
1388 $map = find $path 1901 return find $path;
1389 or return;
1390 } 1902 }
1391 1903
1392 $cf::MAP{$key} = $map 1904 $cf::MAP{$path} = $map
1393 } 1905 }
1394} 1906}
1907
1908sub pre_load { }
1909sub post_load { }
1395 1910
1396sub load { 1911sub load {
1397 my ($self) = @_; 1912 my ($self) = @_;
1398 1913
1914 local $self->{deny_reset} = 1; # loading can take a long time
1915
1399 my $path = $self->{path}; 1916 my $path = $self->{path};
1917
1918 {
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1919 my $guard = cf::lock_acquire "map_data:$path";
1401 1920
1921 return unless $self->valid;
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1922 return unless $self->in_memory == cf::MAP_SWAPPED;
1403 1923
1404 $self->in_memory (cf::MAP_LOADING); 1924 $self->in_memory (cf::MAP_LOADING);
1405 1925
1406 $self->alloc; 1926 $self->alloc;
1407 $self->load_objects ($self->{load_path}, 1) 1927
1928 $self->pre_load;
1929 cf::cede_to_tick;
1930
1931 my $f = new_from_file cf::object::thawer $self->{load_path};
1932 $f->skip_block;
1933 $self->_load_objects ($f)
1408 or return; 1934 or return;
1409 1935
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1936 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1937 if delete $self->{load_original};
1412 1938
1413 if (my $uniq = $path->uniq_path) { 1939 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1940 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1941 unless (aio_stat $uniq) {
1942 if (my $f = new_from_file cf::object::thawer $uniq) {
1416 $self->clear_unique_items; 1943 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1944 $self->_load_objects ($f);
1945 $f->resolve_delayed_derefs;
1946 }
1418 } 1947 }
1419 } 1948 }
1420 1949
1421 Coro::cede; 1950 $f->resolve_delayed_derefs;
1422 1951
1952 cf::cede_to_tick;
1423 # now do the right thing for maps 1953 # now do the right thing for maps
1424 $self->link_multipart_objects; 1954 $self->link_multipart_objects;
1425
1426 if ($self->{path}->is_style_map) {
1427 $self->{deny_save} = 1;
1428 $self->{deny_reset} = 1;
1429 } else {
1430 $self->fix_auto_apply;
1431 $self->decay_objects;
1432 $self->update_buttons;
1433 $self->set_darkness_map;
1434 $self->difficulty ($self->estimate_difficulty) 1955 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1956 unless $self->difficulty;
1957 cf::cede_to_tick;
1958
1959 unless ($self->{deny_activate}) {
1960 $self->decay_objects;
1961 $self->fix_auto_apply;
1962 $self->update_buttons;
1963 cf::cede_to_tick;
1964 $self->set_darkness_map;
1965 cf::cede_to_tick;
1436 $self->activate; 1966 $self->activate;
1437 } 1967 }
1438 1968
1439 Coro::cede; 1969 $self->{last_save} = $cf::RUNTIME;
1970 $self->last_access ($cf::RUNTIME);
1440 1971
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1972 $self->in_memory (cf::MAP_IN_MEMORY);
1973 }
1974
1975 $self->post_load;
1976}
1977
1978sub customise_for {
1979 my ($self, $ob) = @_;
1980
1981 return find "~" . $ob->name . "/" . $self->{path}
1982 if $self->per_player;
1983
1984# return find "?party/" . $ob->name . "/" . $self->{path}
1985# if $self->per_party;
1986
1987 $self
1442} 1988}
1443 1989
1444# find and load all maps in the 3x3 area around a map 1990# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1991sub load_neighbours {
1446 my ($map) = @_; 1992 my ($map) = @_;
1447 1993
1448 my @diag; # diagonal neighbours 1994 my @neigh; # diagonal neighbours
1449 1995
1450 for (0 .. 3) { 1996 for (0 .. 3) {
1451 my $neigh = $map->tile_path ($_) 1997 my $neigh = $map->tile_path ($_)
1452 or next; 1998 or next;
1453 $neigh = find $neigh, $map 1999 $neigh = find $neigh, $map
1454 or next; 2000 or next;
1455 $neigh->load; 2001 $neigh->load;
1456 2002
2003 push @neigh,
1457 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2004 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1458 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2005 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1459 } 2006 }
1460 2007
1461 for (@diag) { 2008 for (grep defined $_->[0], @neigh) {
2009 my ($path, $origin) = @$_;
1462 my $neigh = find @$_ 2010 my $neigh = find $path, $origin
1463 or next; 2011 or next;
1464 $neigh->load; 2012 $neigh->load;
1465 } 2013 }
1466} 2014}
1467 2015
… …
1472} 2020}
1473 2021
1474sub do_load_sync { 2022sub do_load_sync {
1475 my ($map) = @_; 2023 my ($map) = @_;
1476 2024
2025 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2026 if $Coro::current == $Coro::main;
2027
1477 cf::sync_job { $map->load }; 2028 cf::sync_job { $map->load };
1478} 2029}
1479 2030
1480our %MAP_PREFETCH; 2031our %MAP_PREFETCH;
2032our $MAP_PREFETCHER = undef;
2033
2034sub find_async {
2035 my ($path, $origin, $load) = @_;
2036
2037 $path = normalise $path, $origin && $origin->{path};
2038
2039 if (my $map = $cf::MAP{$path}) {
2040 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2041 }
2042
2043 $MAP_PREFETCH{$path} |= $load;
2044
1481our $MAP_PREFETCHER = Coro::async { 2045 $MAP_PREFETCHER ||= cf::async {
1482 while () { 2046 $Coro::current->{desc} = "map prefetcher";
2047
1483 while (%MAP_PREFETCH) { 2048 while (%MAP_PREFETCH) {
1484 my $key = each %MAP_PREFETCH 2049 while (my ($k, $v) = each %MAP_PREFETCH) {
1485 or next; 2050 if (my $map = find $k) {
2051 $map->load if $v;
2052 }
2053
1486 my $path = delete $MAP_PREFETCH{$key}; 2054 delete $MAP_PREFETCH{$k};
1487
1488 my $map = find $path
1489 or next;
1490 $map->load;
1491 } 2055 }
1492 Coro::schedule; 2056 }
2057 undef $MAP_PREFETCHER;
1493 } 2058 };
1494};
1495
1496sub find_async {
1497 my ($path, $origin) = @_;
1498
1499 $path = new cf::path $path, $origin && $origin->path;
1500 my $key = $path->as_string;
1501
1502 if (my $map = $cf::MAP{$key}) {
1503 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504 }
1505
1506 $MAP_PREFETCH{$key} = $path;
1507 $MAP_PREFETCHER->ready; 2059 $MAP_PREFETCHER->prio (6);
1508 2060
1509 () 2061 ()
1510} 2062}
1511 2063
1512sub save { 2064sub save {
1513 my ($self) = @_; 2065 my ($self) = @_;
1514 2066
1515 my $lock = cf::lock_acquire "map_data:" . $self->path; 2067 my $lock = cf::lock_acquire "map_data:$self->{path}";
1516 2068
1517 $self->{last_save} = $cf::RUNTIME; 2069 $self->{last_save} = $cf::RUNTIME;
1518 2070
1519 return unless $self->dirty; 2071 return unless $self->dirty;
1520 2072
1521 my $save = $self->{path}->save_path; utf8::encode $save; 2073 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2074 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 2075
1524 $self->{load_path} = $save; 2076 $self->{load_path} = $save;
1525 2077
1526 return if $self->{deny_save}; 2078 return if $self->{deny_save};
1527 2079
1528 local $self->{last_access} = $self->last_access;#d# 2080 local $self->{last_access} = $self->last_access;#d#
1529 2081
1530 cf::async { 2082 cf::async {
2083 $Coro::current->{desc} = "map player save";
1531 $_->contr->save for $self->players; 2084 $_->contr->save for $self->players;
1532 }; 2085 };
1533 2086
1534 if ($uniq) { 2087 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2088 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 2089 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 2090 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2091 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 2092 }
1540} 2093}
1541 2094
1542sub swap_out { 2095sub swap_out {
1543 my ($self) = @_; 2096 my ($self) = @_;
1544 2097
1545 # save first because save cedes 2098 # save first because save cedes
1546 $self->save; 2099 $self->save;
1547 2100
1548 my $lock = cf::lock_acquire "map_data:" . $self->path; 2101 my $lock = cf::lock_acquire "map_data:$self->{path}";
1549 2102
1550 return if $self->players; 2103 return if $self->players;
1551 return if $self->in_memory != cf::MAP_IN_MEMORY; 2104 return if $self->in_memory != cf::MAP_IN_MEMORY;
1552 return if $self->{deny_save}; 2105 return if $self->{deny_save};
1553 2106
2107 $self->in_memory (cf::MAP_SWAPPED);
2108
2109 $self->deactivate;
2110 $_->clear_links_to ($self) for values %cf::MAP;
1554 $self->clear; 2111 $self->clear;
1555 $self->in_memory (cf::MAP_SWAPPED);
1556} 2112}
1557 2113
1558sub reset_at { 2114sub reset_at {
1559 my ($self) = @_; 2115 my ($self) = @_;
1560 2116
1561 # TODO: safety, remove and allow resettable per-player maps 2117 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel};
1563 return 1e99 if $self->{deny_reset}; 2118 return 1e99 if $self->{deny_reset};
1564 2119
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2120 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2121 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 2122
… …
1572 my ($self) = @_; 2127 my ($self) = @_;
1573 2128
1574 $self->reset_at <= $cf::RUNTIME 2129 $self->reset_at <= $cf::RUNTIME
1575} 2130}
1576 2131
1577sub unlink_save {
1578 my ($self) = @_;
1579
1580 utf8::encode (my $save = $self->{path}->save_path);
1581 aioreq_pri 3; IO::AIO::aio_unlink $save;
1582 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583}
1584
1585sub rename {
1586 my ($self, $new_path) = @_;
1587
1588 $self->unlink_save;
1589
1590 delete $cf::MAP{$self->path};
1591 $self->{path} = new cf::path $new_path;
1592 $self->path ($self->{path}->as_string);
1593 $cf::MAP{$self->path} = $self;
1594
1595 $self->save;
1596}
1597
1598sub reset { 2132sub reset {
1599 my ($self) = @_; 2133 my ($self) = @_;
1600 2134
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 2135 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 2136
1603 return if $self->players; 2137 return if $self->players;
1604 return if $self->{path}{user_rel};#d#
1605 2138
1606 warn "resetting map ", $self->path;#d# 2139 warn "resetting map ", $self->path;
2140
2141 $self->in_memory (cf::MAP_SWAPPED);
2142
2143 # need to save uniques path
2144 unless ($self->{deny_save}) {
2145 my $uniq = $self->uniq_path; utf8::encode $uniq;
2146
2147 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2148 if $uniq;
2149 }
1607 2150
1608 delete $cf::MAP{$self->path}; 2151 delete $cf::MAP{$self->path};
1609 2152
2153 $self->deactivate;
1610 $_->clear_links_to ($self) for values %cf::MAP; 2154 $_->clear_links_to ($self) for values %cf::MAP;
2155 $self->clear;
1611 2156
1612 $self->unlink_save; 2157 $self->unlink_save;
1613 $self->destroy; 2158 $self->destroy;
1614} 2159}
1615 2160
1616my $nuke_counter = "aaaa"; 2161my $nuke_counter = "aaaa";
1617 2162
1618sub nuke { 2163sub nuke {
1619 my ($self) = @_; 2164 my ($self) = @_;
1620 2165
2166 {
2167 my $lock = cf::lock_acquire "map_data:$self->{path}";
2168
2169 delete $cf::MAP{$self->path};
2170
2171 $self->unlink_save;
2172
2173 bless $self, "cf::map";
2174 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 2175 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 2176 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 2177 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2178
2179 $cf::MAP{$self->path} = $self;
2180 }
2181
1624 $self->reset; # polite request, might not happen 2182 $self->reset; # polite request, might not happen
1625} 2183}
1626 2184
1627sub customise_for { 2185=item $maps = cf::map::tmp_maps
1628 my ($map, $ob) = @_;
1629 2186
1630 if ($map->per_player) { 2187Returns an arrayref with all map paths of currently instantiated and saved
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2188maps. May block.
2189
2190=cut
2191
2192sub tmp_maps() {
1632 } 2193 [
2194 map {
2195 utf8::decode $_;
2196 /\.map$/
2197 ? normalise $_
2198 : ()
2199 } @{ aio_readdir $TMPDIR or [] }
2200 ]
2201}
1633 2202
1634 $map 2203=item $maps = cf::map::random_maps
2204
2205Returns an arrayref with all map paths of currently instantiated and saved
2206random maps. May block.
2207
2208=cut
2209
2210sub random_maps() {
2211 [
2212 map {
2213 utf8::decode $_;
2214 /\.map$/
2215 ? normalise "?random/$_"
2216 : ()
2217 } @{ aio_readdir $RANDOMDIR or [] }
2218 ]
2219}
2220
2221=item cf::map::unique_maps
2222
2223Returns an arrayref of paths of all shared maps that have
2224instantiated unique items. May block.
2225
2226=cut
2227
2228sub unique_maps() {
2229 [
2230 map {
2231 utf8::decode $_;
2232 /\.map$/
2233 ? normalise $_
2234 : ()
2235 } @{ aio_readdir $UNIQUEDIR or [] }
2236 ]
1635} 2237}
1636 2238
1637package cf; 2239package cf;
1638 2240
1639=back 2241=back
… …
1657 map { $_, inv_recursive_ $_->inv } @_ 2259 map { $_, inv_recursive_ $_->inv } @_
1658} 2260}
1659 2261
1660sub inv_recursive { 2262sub inv_recursive {
1661 inv_recursive_ inv $_[0] 2263 inv_recursive_ inv $_[0]
2264}
2265
2266=item $ref = $ob->ref
2267
2268creates and returns a persistent reference to an objetc that can be stored as a string.
2269
2270=item $ob = cf::object::deref ($refstring)
2271
2272returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273even if the object actually exists. May block.
2274
2275=cut
2276
2277sub deref {
2278 my ($ref) = @_;
2279
2280 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2281 my ($uuid, $name) = ($1, $2);
2282 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2283 or return;
2284 $pl->ob->uuid eq $uuid
2285 or return;
2286
2287 $pl->ob
2288 } else {
2289 warn "$ref: cannot resolve object reference\n";
2290 undef
2291 }
1662} 2292}
1663 2293
1664package cf; 2294package cf;
1665 2295
1666=back 2296=back
… …
1685 2315
1686 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2316 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687 2317
1688 if ($self->{record_replies}) { 2318 if ($self->{record_replies}) {
1689 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2319 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2320
1690 } else { 2321 } else {
2322 my $pl = $self->contr;
2323
2324 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2325 my $dialog = $pl->{npc_dialog};
2326 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2327
2328 } else {
1691 $msg = $npc->name . " says: $msg" if $npc; 2329 $msg = $npc->name . " says: $msg" if $npc;
1692 $self->message ($msg, $flags); 2330 $self->message ($msg, $flags);
2331 }
1693 } 2332 }
2333}
2334
2335=item $object->send_msg ($channel, $msg, $color, [extra...])
2336
2337=cut
2338
2339sub cf::object::send_msg {
2340 my $pl = shift->contr
2341 or return;
2342 $pl->send_msg (@_);
1694} 2343}
1695 2344
1696=item $player_object->may ("access") 2345=item $player_object->may ("access")
1697 2346
1698Returns wether the given player is authorized to access resource "access" 2347Returns wether the given player is authorized to access resource "access"
… …
1711 2360
1712=item $player_object->enter_link 2361=item $player_object->enter_link
1713 2362
1714Freezes the player and moves him/her to a special map (C<{link}>). 2363Freezes the player and moves him/her to a special map (C<{link}>).
1715 2364
1716The player should be reaosnably safe there for short amounts of time. You 2365The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 2366I<MUST> call C<leave_link> as soon as possible, though.
1718 2367
2368Will never block.
2369
1719=item $player_object->leave_link ($map, $x, $y) 2370=item $player_object->leave_link ($map, $x, $y)
1720 2371
1721Moves the player out of the specila link map onto the given map. If the 2372Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 2373map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 2374to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 2375fails, to the emergency map position.
1725 2376
1726Might block. 2377Might block.
1727 2378
1728=cut 2379=cut
2380
2381sub link_map {
2382 unless ($LINK_MAP) {
2383 $LINK_MAP = cf::map::find "{link}"
2384 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2385 $LINK_MAP->load;
2386 }
2387
2388 $LINK_MAP
2389}
1729 2390
1730sub cf::object::player::enter_link { 2391sub cf::object::player::enter_link {
1731 my ($self) = @_; 2392 my ($self) = @_;
1732 2393
1733 $self->deactivate_recursive; 2394 $self->deactivate_recursive;
1734 2395
1735 return if $self->map == $LINK_MAP; 2396 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 2397
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2398 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 2399 if $self->map && $self->map->{path} ne "{link}";
1739 2400
1740 $self->enter_map ($LINK_MAP, 20, 20); 2401 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 2402}
1742 2403
1743sub cf::object::player::leave_link { 2404sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 2405 my ($self, $map, $x, $y) = @_;
2406
2407 return unless $self->contr->active;
1745 2408
1746 my $link_pos = delete $self->{_link_pos}; 2409 my $link_pos = delete $self->{_link_pos};
1747 2410
1748 unless ($map) { 2411 unless ($map) {
1749 # restore original map position 2412 # restore original map position
… …
1763 # use -1 or undef as default coordinates, not 0, 0 2426 # use -1 or undef as default coordinates, not 0, 0
1764 ($x, $y) = ($map->enter_x, $map->enter_y) 2427 ($x, $y) = ($map->enter_x, $map->enter_y)
1765 if $x <=0 && $y <= 0; 2428 if $x <=0 && $y <= 0;
1766 2429
1767 $map->load; 2430 $map->load;
1768 $map->load_diag; 2431 $map->load_neighbours;
1769 2432
1770 return unless $self->contr->active; 2433 return unless $self->contr->active;
1771 $self->activate_recursive; 2434 $self->activate_recursive;
2435
2436 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 2437 $self->enter_map ($map, $x, $y);
1773} 2438}
1774 2439
1775cf::player->attach ( 2440=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776 on_logout => sub {
1777 my ($pl) = @_;
1778 2441
1779 # abort map switching before logout 2442Moves the player to the given map-path and coordinates by first freezing
1780 if ($pl->ob->{_link_pos}) { 2443her, loading and preparing them map, calling the provided $check callback
1781 cf::sync_job { 2444that has to return the map if sucecssful, and then unfreezes the player on
1782 $pl->ob->leave_link 2445the new (success) or old (failed) map position. In either case, $done will
1783 }; 2446be called at the end of this process.
1784 }
1785 },
1786 on_login => sub {
1787 my ($pl) = @_;
1788 2447
1789 # try to abort aborted map switching on player login :)
1790 # should happen only on crashes
1791 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link;
1793 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED);
1800 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link;
1802 })->prio (2);
1803 }
1804 },
1805);
1806
1807=item $player_object->goto ($path, $x, $y)
1808
1809=cut 2448=cut
2449
2450our $GOTOGEN;
1810 2451
1811sub cf::object::player::goto { 2452sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 2453 my ($self, $path, $x, $y, $check, $done) = @_;
1813 2454
1814 $path = new cf::path $path; 2455 # do generation counting so two concurrent goto's will be executed in-order
1815 $path ne "/" or Carp::cluck ("oy");#d# 2456 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816 2457
1817 $self->enter_link; 2458 $self->enter_link;
1818 2459
1819 (async { 2460 (async {
1820 my $map = cf::map::find $path->as_string; 2461 $Coro::current->{desc} = "player::goto $path $x $y";
2462
2463 # *tag paths override both path and x|y
2464 if ($path =~ /^\*(.*)$/) {
2465 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466 my $ob = $obs[rand @obs];
2467
2468 # see if we actually can go there
2469 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470 $ob = $obs[rand @obs];
2471 } else {
2472 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2473 }
2474 # else put us there anyways for now #d#
2475
2476 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2477 } else {
2478 ($path, $x, $y) = (undef, undef, undef);
2479 }
2480 }
2481
2482 my $map = eval {
2483 my $map = defined $path ? cf::map::find $path : undef;
2484
2485 if ($map) {
1821 $map = $map->customise_for ($self) if $map; 2486 $map = $map->customise_for ($self);
1822 2487 $map = $check->($map) if $check && $map;
1823# warn "entering ", $map->path, " at ($x, $y)\n" 2488 } else {
1824# if $map;
1825
1826 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2489 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2490 }
1827 2491
2492 $map
2493 };
2494
2495 if ($@) {
2496 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2497 LOG llevError | logBacktrace, Carp::longmess $@;
2498 }
2499
2500 if ($gen == $self->{_goto_generation}) {
2501 delete $self->{_goto_generation};
1828 $self->leave_link ($map, $x, $y); 2502 $self->leave_link ($map, $x, $y);
2503 }
2504
2505 $done->() if $done;
1829 })->prio (1); 2506 })->prio (1);
1830} 2507}
1831 2508
1832=item $player_object->enter_exit ($exit_object) 2509=item $player_object->enter_exit ($exit_object)
1833 2510
… …
1835 2512
1836sub parse_random_map_params { 2513sub parse_random_map_params {
1837 my ($spec) = @_; 2514 my ($spec) = @_;
1838 2515
1839 my $rmp = { # defaults 2516 my $rmp = { # defaults
1840 xsize => 10, 2517 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 2518 ysize => (cf::rndm 15, 40),
2519 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2520 #layout => string,
1842 }; 2521 };
1843 2522
1844 for (split /\n/, $spec) { 2523 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 2524 my ($k, $v) = split /\s+/, $_, 2;
1846 2525
… …
1850 $rmp 2529 $rmp
1851} 2530}
1852 2531
1853sub prepare_random_map { 2532sub prepare_random_map {
1854 my ($exit) = @_; 2533 my ($exit) = @_;
2534
2535 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 2536
1856 # all this does is basically replace the /! path by 2537 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 2538 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 2539 # that depends on the exit object
1859 2540
1860 my $rmp = parse_random_map_params $exit->msg; 2541 my $rmp = parse_random_map_params $exit->msg;
1861 2542
1862 if ($exit->map) { 2543 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 2544 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 2545 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 2546 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 2547 $rmp->{origin_y} = $exit->y;
1867 } 2548 }
1868 2549
1869 $rmp->{random_seed} ||= $exit->random_seed; 2550 $rmp->{random_seed} ||= $exit->random_seed;
1870 2551
1871 my $data = cf::to_json $rmp; 2552 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 2553 my $md5 = Digest::MD5::md5_hex $data;
2554 my $meta = "$RANDOMDIR/$md5.meta";
1873 2555
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2556 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 2557 aio_write $fh, 0, (length $data), $data, 0;
2558 undef $fh;
2559 aio_rename "$meta~", $meta;
1876 2560
1877 $exit->slaying ("?random/$md5"); 2561 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 2562 $exit->msg (undef);
1879 } 2563 }
1880} 2564}
… …
1882sub cf::object::player::enter_exit { 2566sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 2567 my ($self, $exit) = @_;
1884 2568
1885 return unless $self->type == cf::PLAYER; 2569 return unless $self->type == cf::PLAYER;
1886 2570
2571 if ($exit->slaying eq "/!") {
2572 #TODO: this should de-fi-ni-te-ly not be a sync-job
2573 # the problem is that $exit might not survive long enough
2574 # so it needs to be done right now, right here
2575 cf::sync_job { prepare_random_map $exit };
2576 }
2577
2578 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579 my $hp = $exit->stats->hp;
2580 my $sp = $exit->stats->sp;
2581
1887 $self->enter_link; 2582 $self->enter_link;
1888 2583
2584 # if exit is damned, update players death & WoR home-position
2585 $self->contr->savebed ($slaying, $hp, $sp)
2586 if $exit->flag (FLAG_DAMNED);
2587
1889 (async { 2588 (async {
2589 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2590
1890 $self->deactivate_recursive; # just to be sure 2591 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 2592 unless (eval {
1892 prepare_random_map $exit 2593 $self->goto ($slaying, $hp, $sp);
1893 if $exit->slaying eq "/!";
1894
1895 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897 2594
1898 1; 2595 1;
1899 }) { 2596 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 2597 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 2598 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 2599 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 2600 cf::NDI_UNIQUE | cf::NDI_RED);
1904 2601
1905 warn "ERROR in enter_exit: $@"; 2602 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 2603 $self->leave_link;
1907 } 2604 }
1908 })->prio (1); 2605 })->prio (1);
… …
1921 2618
1922sub cf::client::send_drawinfo { 2619sub cf::client::send_drawinfo {
1923 my ($self, $text, $flags) = @_; 2620 my ($self, $text, $flags) = @_;
1924 2621
1925 utf8::encode $text; 2622 utf8::encode $text;
1926 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2623 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927} 2624}
1928 2625
2626=item $client->send_msg ($channel, $msg, $color, [extra...])
2627
2628Send a drawinfo or msg packet to the client, formatting the msg for the
2629client if neccessary. C<$type> should be a string identifying the type of
2630the message, with C<log> being the default. If C<$color> is negative, suppress
2631the message unless the client supports the msg packet.
2632
2633=cut
2634
2635our %CHANNEL = (
2636 "c/identify" => {
2637 id => "infobox",
2638 title => "Identify",
2639 reply => undef,
2640 tooltip => "Items recently identified",
2641 },
2642 "c/examine" => {
2643 id => "infobox",
2644 title => "Examine",
2645 reply => undef,
2646 tooltip => "Signs and other items you examined",
2647 },
2648 "c/lookat" => {
2649 id => "infobox",
2650 title => "Look",
2651 reply => undef,
2652 tooltip => "What you saw there",
2653 },
2654);
2655
2656sub cf::client::send_msg {
2657 my ($self, $channel, $msg, $color, @extra) = @_;
2658
2659 $msg = $self->pl->expand_cfpod ($msg);
2660
2661 $color &= cf::NDI_CLIENT_MASK; # just in case...
2662
2663 # check predefined channels, for the benefit of C
2664 if ($CHANNEL{$channel}) {
2665 $channel = $CHANNEL{$channel};
2666
2667 $self->ext_msg (channel_info => $channel)
2668 if $self->can_msg;
2669
2670 $channel = $channel->{id};
2671
2672 } elsif (ref $channel) {
2673 # send meta info to client, if not yet sent
2674 unless (exists $self->{channel}{$channel->{id}}) {
2675 $self->{channel}{$channel->{id}} = $channel;
2676 $self->ext_msg (channel_info => $channel)
2677 if $self->can_msg;
2678 }
2679
2680 $channel = $channel->{id};
2681 }
2682
2683 return unless @extra || length $msg;
2684
2685 if ($self->can_msg) {
2686 # default colour, mask it out
2687 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2688 if $color & cf::NDI_DEF;
2689
2690 $self->send_packet ("msg " . $self->{json_coder}->encode (
2691 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2692 } else {
2693 if ($color >= 0) {
2694 # replace some tags by gcfclient-compatible ones
2695 for ($msg) {
2696 1 while
2697 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2698 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2699 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2700 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2701 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2702 }
2703
2704 $color &= cf::NDI_COLOR_MASK;
2705
2706 utf8::encode $msg;
2707
2708 if (0 && $msg =~ /\[/) {
2709 # COMMAND/INFO
2710 $self->send_packet ("drawextinfo $color 10 8 $msg")
2711 } else {
2712 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2713 $self->send_packet ("drawinfo $color $msg")
2714 }
2715 }
2716 }
2717}
2718
2719=item $client->ext_msg ($type, @msg)
2720
2721Sends an ext event to the client.
2722
2723=cut
2724
2725sub cf::client::ext_msg($$@) {
2726 my ($self, $type, @msg) = @_;
2727
2728 if ($self->extcmd == 2) {
2729 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2730 } elsif ($self->extcmd == 1) { # TODO: remove
2731 push @msg, msgtype => "event_$type";
2732 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2733 }
2734}
2735
2736=item $client->ext_reply ($msgid, @msg)
2737
2738Sends an ext reply to the client.
2739
2740=cut
2741
2742sub cf::client::ext_reply($$@) {
2743 my ($self, $id, @msg) = @_;
2744
2745 if ($self->extcmd == 2) {
2746 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2747 } elsif ($self->extcmd == 1) {
2748 #TODO: version 1, remove
2749 unshift @msg, msgtype => "reply", msgid => $id;
2750 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2751 }
2752}
1929 2753
1930=item $success = $client->query ($flags, "text", \&cb) 2754=item $success = $client->query ($flags, "text", \&cb)
1931 2755
1932Queues a query to the client, calling the given callback with 2756Queues a query to the client, calling the given callback with
1933the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2757the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2758C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935 2759
1936Queries can fail, so check the return code. Or don't, as queries will become 2760Queries can fail, so check the return code. Or don't, as queries will
1937reliable at some point in the future. 2761become reliable at some point in the future.
1938 2762
1939=cut 2763=cut
1940 2764
1941sub cf::client::query { 2765sub cf::client::query {
1942 my ($self, $flags, $text, $cb) = @_; 2766 my ($self, $flags, $text, $cb) = @_;
… …
1950 utf8::encode $text; 2774 utf8::encode $text;
1951 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2775 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952 2776
1953 $self->send_packet ($self->{query_queue}[0][0]) 2777 $self->send_packet ($self->{query_queue}[0][0])
1954 if @{ $self->{query_queue} } == 1; 2778 if @{ $self->{query_queue} } == 1;
2779
2780 1
1955} 2781}
1956 2782
1957cf::client->attach ( 2783cf::client->attach (
2784 on_connect => sub {
2785 my ($ns) = @_;
2786
2787 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2788 },
1958 on_reply => sub { 2789 on_reply => sub {
1959 my ($ns, $msg) = @_; 2790 my ($ns, $msg) = @_;
1960 2791
1961 # this weird shuffling is so that direct followup queries 2792 # this weird shuffling is so that direct followup queries
1962 # get handled first 2793 # get handled first
1963 my $queue = delete $ns->{query_queue} 2794 my $queue = delete $ns->{query_queue}
1964 or return; # be conservative, not sure how that can happen, but we saw a crash here 2795 or return; # be conservative, not sure how that can happen, but we saw a crash here
1965 2796
1966 (shift @$queue)->[1]->($msg); 2797 (shift @$queue)->[1]->($msg);
2798 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2799
1968 push @{ $ns->{query_queue} }, @$queue; 2800 push @{ $ns->{query_queue} }, @$queue;
1969 2801
1970 if (@{ $ns->{query_queue} } == @$queue) { 2802 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2803 if (@$queue) {
… …
1973 } else { 2805 } else {
1974 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2806 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975 } 2807 }
1976 } 2808 }
1977 }, 2809 },
2810 on_exticmd => sub {
2811 my ($ns, $buf) = @_;
2812
2813 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2814
2815 if (ref $msg) {
2816 my ($type, $reply, @payload) =
2817 "ARRAY" eq ref $msg
2818 ? @$msg
2819 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2820
2821 my @reply;
2822
2823 if (my $cb = $EXTICMD{$type}) {
2824 @reply = $cb->($ns, @payload);
2825 }
2826
2827 $ns->ext_reply ($reply, @reply)
2828 if $reply;
2829
2830 } else {
2831 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2832 }
2833
2834 cf::override;
2835 },
1978); 2836);
1979 2837
1980=item $client->async (\&cb) 2838=item $client->async (\&cb)
1981 2839
1982Create a new coroutine, running the specified callback. The coroutine will 2840Create a new coroutine, running the specified callback. The coroutine will
… …
2023our $safe = new Safe "safe"; 2881our $safe = new Safe "safe";
2024our $safe_hole = new Safe::Hole; 2882our $safe_hole = new Safe::Hole;
2025 2883
2026$SIG{FPE} = 'IGNORE'; 2884$SIG{FPE} = 'IGNORE';
2027 2885
2028$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2886$safe->permit_only (Opcode::opset qw(
2887 :base_core :base_mem :base_orig :base_math
2888 grepstart grepwhile mapstart mapwhile
2889 sort time
2890));
2029 2891
2030# here we export the classes and methods available to script code 2892# here we export the classes and methods available to script code
2031 2893
2032=pod 2894=pod
2033 2895
2034The following fucntions and emthods are available within a safe environment: 2896The following functions and methods are available within a safe environment:
2035 2897
2036 cf::object contr pay_amount pay_player map 2898 cf::object
2899 contr pay_amount pay_player map x y force_find force_add
2900 insert remove name archname title slaying race decrease_ob_nr
2901
2037 cf::object::player player 2902 cf::object::player
2038 cf::player peaceful 2903 player
2039 cf::map trigger 2904
2905 cf::player
2906 peaceful
2907
2908 cf::map
2909 trigger
2040 2910
2041=cut 2911=cut
2042 2912
2043for ( 2913for (
2044 ["cf::object" => qw(contr pay_amount pay_player map)], 2914 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2915 insert remove inv name archname title slaying race
2916 decrease_ob_nr)],
2045 ["cf::object::player" => qw(player)], 2917 ["cf::object::player" => qw(player)],
2046 ["cf::player" => qw(peaceful)], 2918 ["cf::player" => qw(peaceful)],
2047 ["cf::map" => qw(trigger)], 2919 ["cf::map" => qw(trigger)],
2048) { 2920) {
2049 no strict 'refs'; 2921 no strict 'refs';
… …
2120=back 2992=back
2121 2993
2122=cut 2994=cut
2123 2995
2124############################################################################# 2996#############################################################################
2997# the server's init and main functions
2125 2998
2126=head2 EXTENSION DATABASE SUPPORT 2999sub load_facedata($) {
3000 my ($path) = @_;
2127 3001
2128Crossfire maintains a very simple database for extension use. It can 3002 # HACK to clear player env face cache, we need some signal framework
2129currently store anything that can be serialised using Storable, which 3003 # for this (global event?)
2130excludes objects. 3004 %ext::player_env::MUSIC_FACE_CACHE = ();
2131 3005
2132The parameter C<$family> should best start with the name of the extension 3006 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133using it, it should be unique.
2134 3007
2135=over 4 3008 warn "loading facedata from $path\n";
2136 3009
2137=item $hashref = cf::db_get $family 3010 my $facedata;
3011 0 < aio_load $path, $facedata
3012 or die "$path: $!";
2138 3013
2139Return a hashref for use by the extension C<$family>, which can be 3014 $facedata = Coro::Storable::thaw $facedata;
2140modified. After modifications, you have to call C<cf::db_dirty> or
2141C<cf::db_sync>.
2142 3015
2143=item $value = cf::db_get $family => $key 3016 $facedata->{version} == 2
3017 or cf::cleanup "$path: version mismatch, cannot proceed.";
2144 3018
2145Returns a single value from the database 3019 # patch in the exptable
2146 3020 $facedata->{resource}{"res/exp_table"} = {
2147=item cf::db_put $family => $hashref 3021 type => FT_RSRC,
2148 3022 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149Stores the given family hashref into the database. Updates are delayed, if
2150you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152=item cf::db_put $family => $key => $value
2153
2154Stores the given C<$value> in the family hash. Updates are delayed, if you
2155want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157=item cf::db_dirty
2158
2159Marks the database as dirty, to be updated at a later time.
2160
2161=item cf::db_sync
2162
2163Immediately write the database to disk I<if it is dirty>.
2164
2165=cut
2166
2167our $DB;
2168
2169{
2170 my $path = cf::localdir . "/database.pst";
2171
2172 sub db_load() {
2173 $DB = stat $path ? Storable::retrieve $path : { };
2174 }
2175
2176 my $pid;
2177
2178 sub db_save() {
2179 waitpid $pid, 0 if $pid;
2180 if (0 == ($pid = fork)) {
2181 $DB->{_meta}{version} = 1;
2182 Storable::nstore $DB, "$path~";
2183 rename "$path~", $path;
2184 cf::_exit 0 if defined $pid;
2185 }
2186 }
2187
2188 my $dirty;
2189
2190 sub db_sync() {
2191 db_save if $dirty;
2192 undef $dirty;
2193 }
2194
2195 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196 db_sync;
2197 }); 3023 };
3024 cf::cede_to_tick;
2198 3025
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 } 3026 {
3027 my $faces = $facedata->{faceinfo};
2203 3028
2204 sub db_get($;$) { 3029 while (my ($face, $info) = each %$faces) {
2205 @_ >= 2 3030 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206 ? $DB->{$_[0]}{$_[1]} 3031 cf::face::set_visibility $idx, $info->{visibility};
2207 : ($DB->{$_[0]} ||= { }) 3032 cf::face::set_magicmap $idx, $info->{magicmap};
2208 } 3033 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3034 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2209 3035
2210 sub db_put($$;$) { 3036 cf::cede_to_tick;
2211 if (@_ >= 3) {
2212 $DB->{$_[0]}{$_[1]} = $_[2];
2213 } else {
2214 $DB->{$_[0]} = $_[1];
2215 }
2216 db_dirty;
2217 }
2218
2219 cf::global->attach (
2220 prio => 10000,
2221 on_cleanup => sub {
2222 db_sync;
2223 }, 3037 }
2224 );
2225}
2226 3038
2227############################################################################# 3039 while (my ($face, $info) = each %$faces) {
2228# the server's main() 3040 next unless $info->{smooth};
3041 my $idx = cf::face::find $face
3042 or next;
3043 if (my $smooth = cf::face::find $info->{smooth}) {
3044 cf::face::set_smooth $idx, $smooth;
3045 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3046 } else {
3047 warn "smooth face '$info->{smooth}' not found for face '$face'";
3048 }
2229 3049
2230sub cfg_load { 3050 cf::cede_to_tick;
3051 }
3052 }
3053
3054 {
3055 my $anims = $facedata->{animinfo};
3056
3057 while (my ($anim, $info) = each %$anims) {
3058 cf::anim::set $anim, $info->{frames}, $info->{facings};
3059 cf::cede_to_tick;
3060 }
3061
3062 cf::anim::invalidate_all; # d'oh
3063 }
3064
3065 {
3066 # TODO: for gcfclient pleasure, we should give resources
3067 # that gcfclient doesn't grok a >10000 face index.
3068 my $res = $facedata->{resource};
3069
3070 my $soundconf = delete $res->{"res/sound.conf"};
3071
3072 while (my ($name, $info) = each %$res) {
3073 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3074 my $data;
3075
3076 if ($info->{type} & 1) {
3077 # prepend meta info
3078
3079 my $meta = $enc->encode ({
3080 name => $name,
3081 %{ $info->{meta} || {} },
3082 });
3083
3084 $data = pack "(w/a*)*", $meta, $info->{data};
3085 } else {
3086 $data = $info->{data};
3087 }
3088
3089 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3090 cf::face::set_type $idx, $info->{type};
3091
3092 cf::cede_to_tick;
3093 }
3094
3095 if ($soundconf) {
3096 $soundconf = $enc->decode (delete $soundconf->{data});
3097
3098 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3099 my $sound = $soundconf->{compat}[$_]
3100 or next;
3101
3102 my $face = cf::face::find "sound/$sound->[1]";
3103 cf::sound::set $sound->[0] => $face;
3104 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3105 }
3106
3107 while (my ($k, $v) = each %{$soundconf->{event}}) {
3108 my $face = cf::face::find "sound/$v";
3109 cf::sound::set $k => $face;
3110 }
3111 }
3112 }
3113
3114 1
3115}
3116
3117register_exticmd fx_want => sub {
3118 my ($ns, $want) = @_;
3119
3120 while (my ($k, $v) = each %$want) {
3121 $ns->fx_want ($k, $v);
3122 }
3123};
3124
3125sub reload_regions {
3126 # HACK to clear player env face cache, we need some signal framework
3127 # for this (global event?)
3128 %ext::player_env::MUSIC_FACE_CACHE = ();
3129
3130 load_resource_file "$MAPDIR/regions"
3131 or die "unable to load regions file\n";
3132
3133 for (cf::region::list) {
3134 $_->{match} = qr/$_->{match}/
3135 if exists $_->{match};
3136 }
3137}
3138
3139sub reload_facedata {
3140 load_facedata "$DATADIR/facedata"
3141 or die "unable to load facedata\n";
3142}
3143
3144sub reload_archetypes {
3145 load_resource_file "$DATADIR/archetypes"
3146 or die "unable to load archetypes\n";
3147 #d# NEED to laod twice to resolve forward references
3148 # this really needs to be done in an extra post-pass
3149 # (which needs to be synchronous, so solve it differently)
3150 load_resource_file "$DATADIR/archetypes"
3151 or die "unable to load archetypes\n";
3152}
3153
3154sub reload_treasures {
3155 load_resource_file "$DATADIR/treasures"
3156 or die "unable to load treasurelists\n";
3157}
3158
3159sub reload_resources {
3160 warn "reloading resource files...\n";
3161
3162 reload_regions;
3163 reload_facedata;
3164 #reload_archetypes;#d#
3165 reload_archetypes;
3166 reload_treasures;
3167
3168 warn "finished reloading resource files\n";
3169}
3170
3171sub init {
3172 reload_resources;
3173}
3174
3175sub reload_config {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 3176 open my $fh, "<:utf8", "$CONFDIR/config"
2232 or return; 3177 or return;
2233 3178
2234 local $/; 3179 local $/;
2235 *CFG = YAML::Syck::Load <$fh>; 3180 *CFG = YAML::Syck::Load <$fh>;
2236 3181
… …
2250 3195
2251sub main { 3196sub main {
2252 # we must not ever block the main coroutine 3197 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 3198 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3199 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3200 (async {
3201 $Coro::current->{desc} = "IDLE BUG HANDLER";
2255 async { Event::one_event }; 3202 Event::one_event;
3203 })->prio (Coro::PRIO_MAX);
2256 }; 3204 };
2257 3205
2258 cfg_load; 3206 reload_config;
2259 db_load; 3207 db_init;
2260 load_extensions; 3208 load_extensions;
3209
3210 $TICK_WATCHER->start;
2261 Event::loop; 3211 Event::loop;
2262} 3212}
2263 3213
2264############################################################################# 3214#############################################################################
2265# initialisation and cleanup 3215# initialisation and cleanup
2266 3216
2267# install some emergency cleanup handlers 3217# install some emergency cleanup handlers
2268BEGIN { 3218BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 3219 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 3220 Event->signal (
3221 reentrant => 0,
2271 data => WF_AUTOCANCEL, 3222 data => WF_AUTOCANCEL,
2272 signal => $signal, 3223 signal => $signal,
3224 prio => 0,
2273 cb => sub { 3225 cb => sub {
2274 cf::cleanup "SIG$signal"; 3226 cf::cleanup "SIG$signal";
2275 }, 3227 },
2276 ); 3228 );
2277 } 3229 }
2278} 3230}
2279 3231
3232sub write_runtime {
3233 my $runtime = "$LOCALDIR/runtime";
3234
3235 # first touch the runtime file to show we are still running:
3236 # the fsync below can take a very very long time.
3237
3238 IO::AIO::aio_utime $runtime, undef, undef;
3239
3240 my $guard = cf::lock_acquire "write_runtime";
3241
3242 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3243 or return;
3244
3245 my $value = $cf::RUNTIME + 90 + 10;
3246 # 10 is the runtime save interval, for a monotonic clock
3247 # 60 allows for the watchdog to kill the server.
3248
3249 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3250 and return;
3251
3252 # always fsync - this file is important
3253 aio_fsync $fh
3254 and return;
3255
3256 # touch it again to show we are up-to-date
3257 aio_utime $fh, undef, undef;
3258
3259 close $fh
3260 or return;
3261
3262 aio_rename "$runtime~", $runtime
3263 and return;
3264
3265 warn "runtime file written.\n";
3266
3267 1
3268}
3269
2280sub emergency_save() { 3270sub emergency_save() {
2281 my $freeze_guard = cf::freeze_mainloop; 3271 my $freeze_guard = cf::freeze_mainloop;
2282 3272
2283 warn "enter emergency perl save\n"; 3273 warn "enter emergency perl save\n";
2284 3274
2285 cf::sync_job { 3275 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 3276 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 3277 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 3278 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 3279 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 3280 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 3281 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 3282 $pl->valid or next;
2293 $pl->save; 3283 $pl->save;
… …
2299 my $map = $cf::MAP{$path} or next; 3289 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 3290 $map->valid or next;
2301 $map->save; 3291 $map->save;
2302 } 3292 }
2303 warn "end emergency map save\n"; 3293 warn "end emergency map save\n";
3294
3295 warn "begin emergency database checkpoint\n";
3296 BDB::db_env_txn_checkpoint $DB_ENV;
3297 warn "end emergency database checkpoint\n";
2304 }; 3298 };
2305 3299
2306 warn "leave emergency perl save\n"; 3300 warn "leave emergency perl save\n";
2307} 3301}
2308 3302
3303sub post_cleanup {
3304 my ($make_core) = @_;
3305
3306 warn Carp::longmess "post_cleanup backtrace"
3307 if $make_core;
3308}
3309
2309sub reload() { 3310sub do_reload_perl() {
2310 # can/must only be called in main 3311 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 3312 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 3313 warn "can only reload from main coroutine";
2313 return; 3314 return;
2314 } 3315 }
2315 3316
2316 warn "reloading..."; 3317 warn "reloading...";
2317 3318
2318 my $guard = freeze_mainloop; 3319 warn "entering sync_job";
3320
3321 cf::sync_job {
3322 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 3323 cf::emergency_save;
3324 cf::write_runtime; # external watchdog should not bark
2320 3325
2321 eval { 3326 warn "syncing database to disk";
3327 BDB::db_env_txn_checkpoint $DB_ENV;
3328
2322 # if anything goes wrong in here, we should simply crash as we already saved 3329 # if anything goes wrong in here, we should simply crash as we already saved
2323 3330
2324 # cancel all watchers 3331 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 3332 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 3333 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 3334 }
2328 3335
3336 warn "flushing outstanding aio requests";
3337 for (;;) {
3338 BDB::flush;
3339 IO::AIO::flush;
3340 Coro::cede;
3341 last unless IO::AIO::nreqs || BDB::nreqs;
3342 warn "iterate...";
3343 }
3344
3345 ++$RELOAD;
3346
2329 # cancel all extension coros 3347 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 3348 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 3349 %EXT_CORO = ();
2332 3350
2333 # unload all extensions 3351 warn "removing commands";
2334 for (@exts) { 3352 %COMMAND = ();
3353
3354 warn "removing ext/exti commands";
3355 %EXTCMD = ();
3356 %EXTICMD = ();
3357
3358 warn "unloading/nuking all extensions";
3359 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 3360 warn "... unloading $pkg";
2336 unload_extension $_; 3361
3362 if (my $cb = $pkg->can ("unload")) {
3363 eval {
3364 $cb->($pkg);
3365 1
3366 } or warn "$pkg unloaded, but with errors: $@";
2337 } 3367 }
2338 3368
3369 warn "... nuking $pkg";
3370 Symbol::delete_package $pkg;
3371 }
3372
2339 # unload all modules loaded from $LIBDIR 3373 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 3374 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3375 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 3376
2343 warn "removing <$k>"; 3377 warn "... unloading $k";
2344 delete $INC{$k}; 3378 delete $INC{$k};
2345 3379
2346 $k =~ s/\.pm$//; 3380 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 3381 $k =~ s/\//::/g;
2348 3382
… …
2351 } 3385 }
2352 3386
2353 Symbol::delete_package $k; 3387 Symbol::delete_package $k;
2354 } 3388 }
2355 3389
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 3390 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 3391 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3392 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 3393
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 3394 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 3395 delete $INC{"cf.pm"};
3396 delete $INC{"cf/pod.pm"};
2369 3397
2370 # don't, removes xs symbols, too, 3398 # don't, removes xs symbols, too,
2371 # and global variables created in xs 3399 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 3400 #Symbol::delete_package __PACKAGE__;
2373 3401
2374 # reload cf.pm 3402 warn "unload completed, starting to reload now";
3403
2375 warn "reloading cf.pm"; 3404 warn "reloading cf.pm";
2376 require cf; 3405 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3406 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 3407
2379 # load config and database again 3408 warn "loading config and database again";
2380 cf::cfg_load; 3409 cf::reload_config;
2381 cf::db_load;
2382 3410
2383 # load extensions
2384 warn "load extensions"; 3411 warn "loading extensions";
2385 cf::load_extensions; 3412 cf::load_extensions;
2386 3413
2387 # reattach attachments to objects 3414 warn "reattaching attachments to objects/players";
2388 warn "reattach"; 3415 _global_reattach; # objects, sockets
2389 _global_reattach; 3416 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 3417 reattach $_ for values %MAP;
2391 }; 3418 warn "reattaching attachments to players";
3419 reattach $_ for values %PLAYER;
2392 3420
2393 if ($@) { 3421 warn "leaving sync_job";
3422
3423 1
3424 } or do {
2394 warn $@; 3425 warn $@;
2395 warn "error while reloading, exiting."; 3426 warn "error while reloading, exiting.";
2396 exit 1; 3427 exit 1;
2397 } 3428 };
2398 3429
2399 warn "reloaded successfully"; 3430 warn "reloaded";
2400}; 3431};
2401 3432
2402############################################################################# 3433our $RELOAD_WATCHER; # used only during reload
2403 3434
2404unless ($LINK_MAP) { 3435sub reload_perl() {
2405 $LINK_MAP = cf::map::new; 3436 # doing reload synchronously and two reloads happen back-to-back,
3437 # coro crashes during coro_state_free->destroy here.
2406 3438
2407 $LINK_MAP->width (41); 3439 $RELOAD_WATCHER ||= Event->timer (
2408 $LINK_MAP->height (41); 3440 reentrant => 0,
2409 $LINK_MAP->alloc;
2410 $LINK_MAP->path ("{link}");
2411 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414 # dirty hack because... archetypes are not yet loaded
2415 Event->timer (
2416 after => 10, 3441 after => 0,
3442 data => WF_AUTOCANCEL,
2417 cb => sub { 3443 cb => sub {
2418 $_[0]->w->cancel; 3444 do_reload_perl;
2419 3445 undef $RELOAD_WATCHER;
2420 # provide some exits "home"
2421 my $exit = cf::object::new "exit";
2422
2423 $exit->slaying ($EMERGENCY_POSITION->[0]);
2424 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427 $LINK_MAP->insert ($exit->clone, 19, 19);
2428 $LINK_MAP->insert ($exit->clone, 19, 20);
2429 $LINK_MAP->insert ($exit->clone, 19, 21);
2430 $LINK_MAP->insert ($exit->clone, 20, 19);
2431 $LINK_MAP->insert ($exit->clone, 20, 21);
2432 $LINK_MAP->insert ($exit->clone, 21, 19);
2433 $LINK_MAP->insert ($exit->clone, 21, 20);
2434 $LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436 $exit->destroy;
2437 }); 3446 },
2438 3447 );
2439 $LINK_MAP->{deny_save} = 1;
2440 $LINK_MAP->{deny_reset} = 1;
2441
2442 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443} 3448}
2444
2445register "<global>", __PACKAGE__;
2446 3449
2447register_command "reload" => sub { 3450register_command "reload" => sub {
2448 my ($who, $arg) = @_; 3451 my ($who, $arg) = @_;
2449 3452
2450 if ($who->flag (FLAG_WIZ)) { 3453 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload.");
2452 reload;
2453 $who->message ("end of reload."); 3454 $who->message ("reloading server.");
3455 async {
3456 $Coro::current->{desc} = "perl_reload";
3457 reload_perl;
3458 };
2454 } 3459 }
2455}; 3460};
2456 3461
2457unshift @INC, $LIBDIR; 3462unshift @INC, $LIBDIR;
3463
3464my $bug_warning = 0;
3465
3466our @WAIT_FOR_TICK;
3467our @WAIT_FOR_TICK_BEGIN;
3468
3469sub wait_for_tick {
3470 return unless $TICK_WATCHER->is_active;
3471 return if $Coro::current == $Coro::main;
3472
3473 my $signal = new Coro::Signal;
3474 push @WAIT_FOR_TICK, $signal;
3475 $signal->wait;
3476}
3477
3478sub wait_for_tick_begin {
3479 return unless $TICK_WATCHER->is_active;
3480 return if $Coro::current == $Coro::main;
3481
3482 my $signal = new Coro::Signal;
3483 push @WAIT_FOR_TICK_BEGIN, $signal;
3484 $signal->wait;
3485}
2458 3486
2459$TICK_WATCHER = Event->timer ( 3487$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 3488 reentrant => 0,
3489 parked => 1,
2461 prio => 0, 3490 prio => 0,
2462 at => $NEXT_TICK || $TICK, 3491 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 3492 data => WF_AUTOCANCEL,
2464 cb => sub { 3493 cb => sub {
3494 if ($Coro::current != $Coro::main) {
3495 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3496 unless ++$bug_warning > 10;
3497 return;
3498 }
3499
3500 $NOW = $tick_start = Event::time;
3501
2465 cf::server_tick; # one server iteration 3502 cf::server_tick; # one server iteration
3503
2466 $RUNTIME += $TICK; 3504 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 3505 $NEXT_TICK += $TICK;
2468 3506
2469 $WAIT_FOR_TICK->broadcast; 3507 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3508 $NEXT_RUNTIME_WRITE = $NOW + 10;
3509 Coro::async_pool {
3510 $Coro::current->{desc} = "runtime saver";
3511 write_runtime
3512 or warn "ERROR: unable to write runtime file: $!";
3513 };
3514 }
3515
3516 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3517 $sig->send;
3518 }
3519 while (my $sig = shift @WAIT_FOR_TICK) {
3520 $sig->send;
3521 }
3522
3523 $NOW = Event::time;
2471 3524
2472 # if we are delayed by four ticks or more, skip them all 3525 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3526 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474 3527
2475 $TICK_WATCHER->at ($NEXT_TICK); 3528 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 3529 $TICK_WATCHER->start;
3530
3531 $LOAD = ($NOW - $tick_start) / $TICK;
3532 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3533
3534 _post_tick;
2477 }, 3535 },
2478); 3536);
2479 3537
3538{
3539 BDB::min_parallel 8;
2480IO::AIO::max_poll_time $TICK * 0.2; 3540 BDB::max_poll_time $TICK * 0.1;
2481 3541 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 3542 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 3543 fd => BDB::poll_fileno,
2484 poll => 'r', 3544 poll => 'r',
2485 prio => 5, 3545 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 3546 data => WF_AUTOCANCEL,
3547 cb => \&BDB::poll_cb,
3548 );
3549
3550 BDB::set_sync_prepare {
3551 my $status;
3552 my $current = $Coro::current;
3553 (
3554 sub {
3555 $status = $!;
3556 $current->ready; undef $current;
3557 },
3558 sub {
3559 Coro::schedule while defined $current;
3560 $! = $status;
3561 },
3562 )
3563 };
3564
3565 unless ($DB_ENV) {
3566 $DB_ENV = BDB::db_env_create;
3567 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3568 | BDB::LOG_AUTOREMOVE, 1);
3569 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3570 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3571
3572 cf::sync_job {
3573 eval {
3574 BDB::db_env_open
3575 $DB_ENV,
3576 $BDBDIR,
3577 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3578 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3579 0666;
3580
3581 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3582 };
3583
3584 cf::cleanup "db_env_open(db): $@" if $@;
3585 };
3586 }
3587
3588 $BDB_DEADLOCK_WATCHER = Event->timer (
2492 after => 0, 3589 after => 3,
2493 interval => 10, 3590 interval => 1,
3591 hard => 1,
3592 prio => 0,
3593 data => WF_AUTOCANCEL,
2494 cb => sub { 3594 cb => sub {
2495 (Coro::unblock_sub { 3595 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2496 write_runtime 3596 },
2497 or warn "ERROR: unable to write runtime file: $!"; 3597 );
3598 $BDB_CHECKPOINT_WATCHER = Event->timer (
3599 after => 11,
3600 interval => 60,
3601 hard => 1,
3602 prio => 0,
3603 data => WF_AUTOCANCEL,
3604 cb => sub {
3605 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3606 },
3607 );
3608 $BDB_TRICKLE_WATCHER = Event->timer (
3609 after => 5,
3610 interval => 10,
3611 hard => 1,
3612 prio => 0,
3613 data => WF_AUTOCANCEL,
3614 cb => sub {
3615 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3616 },
3617 );
3618}
3619
3620{
3621 IO::AIO::min_parallel 8;
3622
3623 undef $Coro::AIO::WATCHER;
3624 IO::AIO::max_poll_time $TICK * 0.1;
3625 $AIO_POLL_WATCHER = Event->io (
3626 reentrant => 0,
3627 data => WF_AUTOCANCEL,
3628 fd => IO::AIO::poll_fileno,
3629 poll => 'r',
3630 prio => 0,
3631 cb => \&IO::AIO::poll_cb,
3632 );
3633}
3634
3635my $_log_backtrace;
3636
3637sub _log_backtrace {
3638 my ($msg, @addr) = @_;
3639
3640 $msg =~ s/\n//;
3641
3642 # limit the # of concurrent backtraces
3643 if ($_log_backtrace < 2) {
3644 ++$_log_backtrace;
3645 async {
3646 $Coro::current->{desc} = "abt $msg";
3647
3648 my @bt = fork_call {
3649 @addr = map { sprintf "%x", $_ } @addr;
3650 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3651 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3652 or die "addr2line: $!";
3653
3654 my @funcs;
3655 my @res = <$fh>;
3656 chomp for @res;
3657 while (@res) {
3658 my ($func, $line) = splice @res, 0, 2, ();
3659 push @funcs, "[$func] $line";
3660 }
3661
3662 @funcs
3663 };
3664
3665 LOG llevInfo, "[ABT] $msg\n";
3666 LOG llevInfo, "[ABT] $_\n" for @bt;
3667 --$_log_backtrace;
2498 })->(); 3668 };
3669 } else {
3670 LOG llevInfo, "[ABT] $msg\n";
3671 LOG llevInfo, "[ABT] [suppressed]\n";
2499 }, 3672 }
2500); 3673}
3674
3675# load additional modules
3676use cf::pod;
2501 3677
2502END { cf::emergency_save } 3678END { cf::emergency_save }
2503 3679
25041 36801
2505 3681

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