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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 1.383 by root, Thu Oct 11 21:09:29 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 4.1 ();
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;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 31use YAML::Syck ();
32use IO::AIO 2.51 ();
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 = Coro::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;
906 $av = eval { (Storable::thaw $av)->{objs} };
907 }
908 1091
1092 my $st = eval { Coro::Storable::thaw $av }
1093 || eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094 $av = $st->{objs};
1095 }
1096
1097 utf8::decode (my $decname = $filename);
909 warn sprintf "loading %s (%d)\n", 1098 warn sprintf "loading %s (%d,%d)\n",
910 $filename, length $data, scalar @{$av || []};#d# 1099 $decname, length $data, scalar @{$av || []};
1100
911 return ($data, $av); 1101 ($data, $av)
912} 1102}
1103
1104=head2 COMMAND CALLBACKS
1105
1106=over 4
1107
1108=cut
913 1109
914############################################################################# 1110#############################################################################
915# command handling &c 1111# command handling &c
916 1112
917=item cf::register_command $name => \&callback($ob,$args); 1113=item cf::register_command $name => \&callback($ob,$args);
… …
930 push @{ $COMMAND{$name} }, [$caller, $cb]; 1126 push @{ $COMMAND{$name} }, [$caller, $cb];
931} 1127}
932 1128
933=item cf::register_extcmd $name => \&callback($pl,$packet); 1129=item cf::register_extcmd $name => \&callback($pl,$packet);
934 1130
935Register a callbackf ro execution when the client sends an extcmd packet. 1131Register a callback for execution when the client sends an (synchronous)
1132extcmd packet. Ext commands will be processed in the order they are
1133received by the server, like other user commands. The first argument is
1134the logged-in player. Ext commands can only be processed after a player
1135has logged in successfully.
936 1136
937If the callback returns something, it is sent back as if reply was being 1137If the callback returns something, it is sent back as if reply was being
938called. 1138called.
939 1139
1140=item cf::register_exticmd $name => \&callback($ns,$packet);
1141
1142Register a callback for execution when the client sends an (asynchronous)
1143exticmd packet. Exti commands are processed by the server as soon as they
1144are received, i.e. out of order w.r.t. other commands. The first argument
1145is a client socket. Exti commands can be received anytime, even before
1146log-in.
1147
1148If the callback returns something, it is sent back as if reply was being
1149called.
1150
940=cut 1151=cut
941 1152
942sub register_extcmd { 1153sub register_extcmd {
943 my ($name, $cb) = @_; 1154 my ($name, $cb) = @_;
944 1155
945 my $caller = caller;
946 #warn "registering extcmd '$name' to '$caller'";
947
948 $EXTCMD{$name} = [$cb, $caller]; 1156 $EXTCMD{$name} = $cb;
1157}
1158
1159sub register_exticmd {
1160 my ($name, $cb) = @_;
1161
1162 $EXTICMD{$name} = $cb;
949} 1163}
950 1164
951cf::player->attach ( 1165cf::player->attach (
952 on_command => sub { 1166 on_command => sub {
953 my ($pl, $name, $params) = @_; 1167 my ($pl, $name, $params) = @_;
… …
962 cf::override; 1176 cf::override;
963 }, 1177 },
964 on_extcmd => sub { 1178 on_extcmd => sub {
965 my ($pl, $buf) = @_; 1179 my ($pl, $buf) = @_;
966 1180
967 my $msg = eval { from_json $buf }; 1181 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968 1182
969 if (ref $msg) { 1183 if (ref $msg) {
1184 my ($type, $reply, @payload) =
1185 "ARRAY" eq ref $msg
1186 ? @$msg
1187 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1188
1189 my @reply;
1190
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1191 if (my $cb = $EXTCMD{$type}) {
971 if (my %reply = $cb->[0]->($pl, $msg)) { 1192 @reply = $cb->($pl, @payload);
972 $pl->ext_reply ($msg->{msgid}, %reply);
973 }
974 } 1193 }
1194
1195 $pl->ext_reply ($reply, @reply)
1196 if $reply;
1197
975 } else { 1198 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1199 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977 } 1200 }
978 1201
979 cf::override; 1202 cf::override;
980 }, 1203 },
981); 1204);
982 1205
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 { 1206sub load_extensions {
1207 cf::sync_job {
1208 my %todo;
1209
1060 for my $ext (<$LIBDIR/*.ext>) { 1210 for my $path (<$LIBDIR/*.ext>) {
1061 next unless -r $ext; 1211 next unless -r $path;
1062 eval { 1212
1063 load_extension $ext; 1213 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1214 my $base = $1;
1215 my $pkg = $1;
1216 $pkg =~ s/[^[:word:]]/_/g;
1217 $pkg = "ext::$pkg";
1218
1219 open my $fh, "<:utf8", $path
1220 or die "$path: $!";
1221
1222 my $source = do { local $/; <$fh> };
1223
1224 my %ext = (
1225 path => $path,
1226 base => $base,
1227 pkg => $pkg,
1228 );
1229
1230 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232
1233 $ext{source} =
1234 "package $pkg; use strict; use utf8;\n"
1235 . "#line 1 \"$path\"\n{\n"
1236 . $source
1237 . "\n};\n1";
1238
1239 $todo{$base} = \%ext;
1240 }
1241
1242 my %done;
1243 while (%todo) {
1244 my $progress;
1245
1246 while (my ($k, $v) = each %todo) {
1247 for (split /,\s*/, $v->{meta}{depends}) {
1248 goto skip
1249 unless exists $done{$_};
1250 }
1251
1252 warn "... loading '$k' into '$v->{pkg}'\n";
1253
1254 unless (eval $v->{source}) {
1255 my $msg = $@ ? "$v->{path}: $@\n"
1256 : "$v->{base}: extension inactive.\n";
1257
1258 if (exists $v->{meta}{mandatory}) {
1259 warn $msg;
1260 warn "mandatory extension failed to load, exiting.\n";
1261 exit 1;
1262 }
1263
1264 warn $msg;
1265 }
1266
1267 $done{$k} = delete $todo{$k};
1268 push @EXTS, $v->{pkg};
1269 $progress = 1;
1064 1 1270 }
1065 } or warn "$ext not loaded: $@"; 1271
1272 skip:
1273 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1274 unless $progress;
1275 }
1066 } 1276 };
1067} 1277}
1068 1278
1069############################################################################# 1279#############################################################################
1070# load/save/clean perl data associated with a map
1071 1280
1072*cf::mapsupport::on_clean = sub { 1281=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 1282
1085=head2 CORE EXTENSIONS 1283=head2 CORE EXTENSIONS
1086 1284
1087Functions and methods that extend core crossfire objects. 1285Functions and methods that extend core crossfire objects.
1088 1286
… …
1094 1292
1095=head3 cf::player 1293=head3 cf::player
1096 1294
1097=over 4 1295=over 4
1098 1296
1297=item cf::player::num_playing
1298
1299Returns the official number of playing players, as per the Crossfire metaserver rules.
1300
1301=cut
1302
1303sub num_playing {
1304 scalar grep
1305 $_->ob->map
1306 && !$_->hidden
1307 && !$_->ob->flag (cf::FLAG_WIZ),
1308 cf::player::list
1309}
1310
1099=item cf::player::find $login 1311=item cf::player::find $login
1100 1312
1101Returns the given player object, loading it if necessary (might block). 1313Returns the given player object, loading it if necessary (might block).
1102 1314
1103=cut 1315=cut
1104 1316
1105sub playerdir($) { 1317sub playerdir($) {
1106 cf::localdir 1318 "$PLAYERDIR/"
1107 . "/"
1108 . cf::playerdir
1109 . "/"
1110 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1319 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1111} 1320}
1112 1321
1113sub path($) { 1322sub path($) {
1114 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1323 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115 1324
1116 (playerdir $login) . "/$login.pl" 1325 (playerdir $login) . "/playerdata"
1117} 1326}
1118 1327
1119sub find_active($) { 1328sub find_active($) {
1120 $cf::PLAYER{$_[0]} 1329 $cf::PLAYER{$_[0]}
1121 and $cf::PLAYER{$_[0]}->active 1330 and $cf::PLAYER{$_[0]}->active
… …
1124 1333
1125sub exists($) { 1334sub exists($) {
1126 my ($login) = @_; 1335 my ($login) = @_;
1127 1336
1128 $cf::PLAYER{$login} 1337 $cf::PLAYER{$login}
1129 or cf::sync_job { !aio_stat $login } 1338 or cf::sync_job { !aio_stat path $login }
1130} 1339}
1131 1340
1132sub find($) { 1341sub find($) {
1133 return $cf::PLAYER{$_[0]} || do { 1342 return $cf::PLAYER{$_[0]} || do {
1134 my $login = $_[0]; 1343 my $login = $_[0];
1135 1344
1136 my $guard = cf::lock_acquire "user_find:$login"; 1345 my $guard = cf::lock_acquire "user_find:$login";
1137 1346
1138 $cf::PLAYER{$_[0]} || do { 1347 $cf::PLAYER{$_[0]} || do {
1139 my $pl = load_pl path $login 1348 # rename old playerfiles to new ones
1349 #TODO: remove when no longer required
1350 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1351 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1352 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1353 aio_unlink +(playerdir $login) . "/$login.pl";
1354
1355 my $f = new_from_file cf::object::thawer path $login
1140 or return; 1356 or return;
1357
1358 my $pl = cf::player::load_pl $f
1359 or return;
1360 local $cf::PLAYER_LOADING{$login} = $pl;
1361 $f->resolve_delayed_derefs;
1141 $cf::PLAYER{$login} = $pl 1362 $cf::PLAYER{$login} = $pl
1142 } 1363 }
1143 } 1364 }
1144} 1365}
1145 1366
… …
1155 1376
1156 aio_mkdir playerdir $pl, 0770; 1377 aio_mkdir playerdir $pl, 0770;
1157 $pl->{last_save} = $cf::RUNTIME; 1378 $pl->{last_save} = $cf::RUNTIME;
1158 1379
1159 $pl->save_pl ($path); 1380 $pl->save_pl ($path);
1160 Coro::cede; 1381 cf::cede_to_tick;
1161} 1382}
1162 1383
1163sub new($) { 1384sub new($) {
1164 my ($login) = @_; 1385 my ($login) = @_;
1165 1386
… …
1171 $cf::PLAYER{$login} = $self; 1392 $cf::PLAYER{$login} = $self;
1172 1393
1173 $self 1394 $self
1174} 1395}
1175 1396
1397=item $player->send_msg ($channel, $msg, $color, [extra...])
1398
1399=cut
1400
1401sub send_msg {
1402 my $ns = shift->ns
1403 or return;
1404 $ns->send_msg (@_);
1405}
1406
1176=item $pl->quit_character 1407=item $pl->quit_character
1177 1408
1178Nukes the player without looking back. If logged in, the connection will 1409Nukes the player without looking back. If logged in, the connection will
1179be destroyed. May block for a long time. 1410be destroyed. May block for a long time.
1180 1411
1181=cut 1412=cut
1182 1413
1183sub quit_character { 1414sub quit_character {
1184 my ($pl) = @_; 1415 my ($pl) = @_;
1416
1417 my $name = $pl->ob->name;
1185 1418
1186 $pl->{deny_save} = 1; 1419 $pl->{deny_save} = 1;
1187 $pl->password ("*"); # this should lock out the player until we nuked the dir 1420 $pl->password ("*"); # this should lock out the player until we nuked the dir
1188 1421
1189 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1422 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1194 my $path = playerdir $pl; 1427 my $path = playerdir $pl;
1195 my $temp = "$path~$cf::RUNTIME~deleting~"; 1428 my $temp = "$path~$cf::RUNTIME~deleting~";
1196 aio_rename $path, $temp; 1429 aio_rename $path, $temp;
1197 delete $cf::PLAYER{$pl->ob->name}; 1430 delete $cf::PLAYER{$pl->ob->name};
1198 $pl->destroy; 1431 $pl->destroy;
1432
1433 my $prefix = qr<^~\Q$name\E/>;
1434
1435 # nuke player maps
1436 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1437
1199 IO::AIO::aio_rmtree $temp; 1438 IO::AIO::aio_rmtree $temp;
1439}
1440
1441=item $pl->kick
1442
1443Kicks a player out of the game. This destroys the connection.
1444
1445=cut
1446
1447sub kick {
1448 my ($pl, $kicker) = @_;
1449
1450 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1451 $pl->killer ("kicked");
1452 $pl->ns->destroy;
1200} 1453}
1201 1454
1202=item cf::player::list_logins 1455=item cf::player::list_logins
1203 1456
1204Returns am arrayref of all valid playernames in the system, can take a 1457Returns am arrayref of all valid playernames in the system, can take a
1205while and may block, so not sync_job-capable, ever. 1458while and may block, so not sync_job-capable, ever.
1206 1459
1207=cut 1460=cut
1208 1461
1209sub list_logins { 1462sub list_logins {
1210 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1463 my $dirs = aio_readdir $PLAYERDIR
1211 or return []; 1464 or return [];
1212 1465
1213 my @logins; 1466 my @logins;
1214 1467
1215 for my $login (@$dirs) { 1468 for my $login (@$dirs) {
1469 my $path = path $login;
1470
1471 # a .pst is a dead give-away for a valid player
1472 unless (-e "$path.pst") {
1216 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1473 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217 aio_read $fh, 0, 512, my $buf, 0 or next; 1474 aio_read $fh, 0, 512, my $buf, 0 or next;
1218 $buf !~ /^password -------------$/m or next; # official not-valid tag 1475 $buf !~ /^password -------------$/m or next; # official not-valid tag
1476 }
1219 1477
1220 utf8::decode $login; 1478 utf8::decode $login;
1221 push @logins, $login; 1479 push @logins, $login;
1222 } 1480 }
1223 1481
1224 \@logins 1482 \@logins
1225} 1483}
1226 1484
1227=item $player->maps 1485=item $player->maps
1228 1486
1229Returns an arrayref of cf::path's of all maps that are private for this 1487Returns an arrayref of map paths that are private for this
1230player. May block. 1488player. May block.
1231 1489
1232=cut 1490=cut
1233 1491
1234sub maps($) { 1492sub maps($) {
1235 my ($pl) = @_; 1493 my ($pl) = @_;
1494
1495 $pl = ref $pl ? $pl->ob->name : $pl;
1236 1496
1237 my $files = aio_readdir playerdir $pl 1497 my $files = aio_readdir playerdir $pl
1238 or return; 1498 or return;
1239 1499
1240 my @paths; 1500 my @paths;
1241 1501
1242 for (@$files) { 1502 for (@$files) {
1243 utf8::decode $_; 1503 utf8::decode $_;
1244 next if /\.(?:pl|pst)$/; 1504 next if /\.(?:pl|pst)$/;
1245 next unless /^$PATH_SEP/; 1505 next unless /^$PATH_SEP/o;
1246 1506
1247 s/$PATH_SEP/\//g; 1507 push @paths, cf::map::normalise "~$pl/$_";
1248 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249 } 1508 }
1250 1509
1251 \@paths 1510 \@paths
1252} 1511}
1253 1512
1513=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1514
1515Expand crossfire pod fragments into protocol xml.
1516
1517=cut
1518
1519sub expand_cfpod {
1520 ((my $self), (local $_)) = @_;
1521
1522 # escape & and <
1523 s/&/&amp;/g;
1524 s/(?<![BIUGHT])</&lt;/g;
1525
1526 # this is buggy, it needs to properly take care of nested <'s
1527
1528 1 while
1529 # replace B<>, I<>, U<> etc.
1530 s/B<([^\>]*)>/<b>$1<\/b>/
1531 || s/I<([^\>]*)>/<i>$1<\/i>/
1532 || s/U<([^\>]*)>/<u>$1<\/u>/
1533 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534 # replace G<male|female> tags
1535 || s{G<([^>|]*)\|([^>]*)>}{
1536 $self->gender ? $2 : $1
1537 }ge
1538 # replace H<hint text>
1539 || s{H<([^\>]*)>}
1540 {
1541 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543 "")
1544 [$self->{hintmode}]
1545 }ge;
1546
1547 # create single paragraphs (very hackish)
1548 s/(?<=\S)\n(?=\w)/ /g;
1549
1550 # compress some whitespace
1551 s/\s+\n/\n/g; # ws line-ends
1552 s/\n\n+/\n/g; # double lines
1553 s/^\n+//; # beginning lines
1554 s/\n+$//; # ending lines
1555
1556 $_
1557}
1558
1559sub hintmode {
1560 $_[0]{hintmode} = $_[1] if @_ > 1;
1561 $_[0]{hintmode}
1562}
1563
1254=item $player->ext_reply ($msgid, $msgtype, %msg) 1564=item $player->ext_reply ($msgid, @msg)
1255 1565
1256Sends an ext reply to the player. 1566Sends an ext reply to the player.
1257 1567
1258=cut 1568=cut
1259 1569
1260sub ext_reply($$$%) { 1570sub ext_reply($$@) {
1261 my ($self, $id, %msg) = @_; 1571 my ($self, $id, @msg) = @_;
1262 1572
1263 $msg{msgid} = $id; 1573 $self->ns->ext_reply ($id, @msg)
1264
1265 $self->send ("ext " . cf::to_json \%msg);
1266} 1574}
1267 1575
1268package cf; 1576=item $player->ext_msg ($type, @msg)
1577
1578Sends an ext event to the client.
1579
1580=cut
1581
1582sub ext_msg($$@) {
1583 my ($self, $type, @msg) = @_;
1584
1585 $self->ns->ext_msg ($type, @msg);
1586}
1587
1588=head3 cf::region
1589
1590=over 4
1591
1592=cut
1593
1594package cf::region;
1595
1596=item cf::region::find_by_path $path
1597
1598Tries to decuce the likely region for a map knowing only its path.
1599
1600=cut
1601
1602sub find_by_path($) {
1603 my ($path) = @_;
1604
1605 my ($match, $specificity);
1606
1607 for my $region (list) {
1608 if ($region->{match} && $path =~ $region->{match}) {
1609 ($match, $specificity) = ($region, $region->specificity)
1610 if $region->specificity > $specificity;
1611 }
1612 }
1613
1614 $match
1615}
1269 1616
1270=back 1617=back
1271
1272 1618
1273=head3 cf::map 1619=head3 cf::map
1274 1620
1275=over 4 1621=over 4
1276 1622
… …
1279package cf::map; 1625package cf::map;
1280 1626
1281use Fcntl; 1627use Fcntl;
1282use Coro::AIO; 1628use Coro::AIO;
1283 1629
1630use overload
1631 '""' => \&as_string,
1632 fallback => 1;
1633
1284our $MAX_RESET = 3600; 1634our $MAX_RESET = 3600;
1285our $DEFAULT_RESET = 3000; 1635our $DEFAULT_RESET = 3000;
1286 1636
1287sub generate_random_map { 1637sub generate_random_map {
1288 my ($path, $rmp) = @_; 1638 my ($self, $rmp) = @_;
1289
1290 # mit "rum" bekleckern, nicht 1639 # mit "rum" bekleckern, nicht
1291 cf::map::_create_random_map 1640 $self->_create_random_map (
1292 $path,
1293 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1641 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1642 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1643 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296 $rmp->{exit_on_final_map}, 1644 $rmp->{exit_on_final_map},
1297 $rmp->{xsize}, $rmp->{ysize}, 1645 $rmp->{xsize}, $rmp->{ysize},
1298 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1646 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1647 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1648 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1649 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1650 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303 (cf::region::find $rmp->{region}) 1651 (cf::region::find $rmp->{region}), $rmp->{custom}
1652 )
1653}
1654
1655=item cf::map->register ($regex, $prio)
1656
1657Register a handler for the map path matching the given regex at the
1658givne priority (higher is better, built-in handlers have priority 0, the
1659default).
1660
1661=cut
1662
1663sub register {
1664 my (undef, $regex, $prio) = @_;
1665 my $pkg = caller;
1666
1667 no strict;
1668 push @{"$pkg\::ISA"}, __PACKAGE__;
1669
1670 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671}
1672
1673# also paths starting with '/'
1674$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1675
1676sub thawer_merge {
1677 my ($self, $merge) = @_;
1678
1679 # we have to keep some variables in memory intact
1680 local $self->{path};
1681 local $self->{load_path};
1682
1683 $self->SUPER::thawer_merge ($merge);
1684}
1685
1686sub normalise {
1687 my ($path, $base) = @_;
1688
1689 $path = "$path"; # make sure its a string
1690
1691 $path =~ s/\.map$//;
1692
1693 # map plan:
1694 #
1695 # /! non-realised random map exit (special hack!)
1696 # {... are special paths that are not being touched
1697 # ?xxx/... are special absolute paths
1698 # ?random/... random maps
1699 # /... normal maps
1700 # ~user/... per-player map of a specific user
1701
1702 $path =~ s/$PATH_SEP/\//go;
1703
1704 # treat it as relative path if it starts with
1705 # something that looks reasonable
1706 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1707 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1708
1709 $base =~ s{[^/]+/?$}{};
1710 $path = "$base/$path";
1711 }
1712
1713 for ($path) {
1714 redo if s{//}{/};
1715 redo if s{/\.?/}{/};
1716 redo if s{/[^/]+/\.\./}{/};
1717 }
1718
1719 $path
1720}
1721
1722sub new_from_path {
1723 my (undef, $path, $base) = @_;
1724
1725 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1726
1727 $path = normalise $path, $base;
1728
1729 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1730 if ($path =~ $EXT_MAP{$pkg}[1]) {
1731 my $self = bless cf::map::new, $pkg;
1732 $self->{path} = $path; $self->path ($path);
1733 $self->init; # pass $1 etc.
1734 return $self;
1735 }
1736 }
1737
1738 Carp::cluck "unable to resolve path '$path' (base '$base').";
1739 ()
1740}
1741
1742sub init {
1743 my ($self) = @_;
1744
1745 $self
1746}
1747
1748sub as_string {
1749 my ($self) = @_;
1750
1751 "$self->{path}"
1752}
1753
1754# the displayed name, this is a one way mapping
1755sub visible_name {
1756 &as_string
1757}
1758
1759# the original (read-only) location
1760sub load_path {
1761 my ($self) = @_;
1762
1763 "$MAPDIR/$self->{path}.map"
1764}
1765
1766# the temporary/swap location
1767sub save_path {
1768 my ($self) = @_;
1769
1770 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1771 "$TMPDIR/$path.map"
1772}
1773
1774# the unique path, undef == no special unique path
1775sub uniq_path {
1776 my ($self) = @_;
1777
1778 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1779 "$UNIQUEDIR/$path"
1304} 1780}
1305 1781
1306# and all this just because we cannot iterate over 1782# and all this just because we cannot iterate over
1307# all maps in C++... 1783# all maps in C++...
1308sub change_all_map_light { 1784sub change_all_map_light {
… …
1310 1786
1311 $_->change_map_light ($change) 1787 $_->change_map_light ($change)
1312 for grep $_->outdoor, values %cf::MAP; 1788 for grep $_->outdoor, values %cf::MAP;
1313} 1789}
1314 1790
1791sub decay_objects {
1792 my ($self) = @_;
1793
1794 return if $self->{deny_reset};
1795
1796 $self->do_decay_objects;
1797}
1798
1799sub unlink_save {
1800 my ($self) = @_;
1801
1802 utf8::encode (my $save = $self->save_path);
1803 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1804 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1805}
1806
1315sub try_load_header($) { 1807sub load_header_from($) {
1316 my ($path) = @_; 1808 my ($self, $path) = @_;
1317 1809
1318 utf8::encode $path; 1810 utf8::encode $path;
1319 aio_open $path, O_RDONLY, 0 1811 my $f = new_from_file cf::object::thawer $path
1320 or return; 1812 or return;
1321 1813
1322 my $map = cf::map::new 1814 $self->_load_header ($f)
1323 or return; 1815 or return;
1324 1816
1325 # for better error messages only, will be overwritten 1817 local $MAP_LOADING{$self->{path}} = $self;
1326 $map->path ($path); 1818 $f->resolve_delayed_derefs;
1327 1819
1328 $map->load_header ($path) 1820 $self->{load_path} = $path;
1821
1822 1
1823}
1824
1825sub load_header_orig {
1826 my ($self) = @_;
1827
1828 $self->load_header_from ($self->load_path)
1829}
1830
1831sub load_header_temp {
1832 my ($self) = @_;
1833
1834 $self->load_header_from ($self->save_path)
1835}
1836
1837sub prepare_temp {
1838 my ($self) = @_;
1839
1840 $self->last_access ((delete $self->{last_access})
1841 || $cf::RUNTIME); #d#
1842 # safety
1843 $self->{instantiate_time} = $cf::RUNTIME
1844 if $self->{instantiate_time} > $cf::RUNTIME;
1845}
1846
1847sub prepare_orig {
1848 my ($self) = @_;
1849
1850 $self->{load_original} = 1;
1851 $self->{instantiate_time} = $cf::RUNTIME;
1852 $self->last_access ($cf::RUNTIME);
1853 $self->instantiate;
1854}
1855
1856sub load_header {
1857 my ($self) = @_;
1858
1859 if ($self->load_header_temp) {
1860 $self->prepare_temp;
1861 } else {
1862 $self->load_header_orig
1329 or return; 1863 or return;
1864 $self->prepare_orig;
1865 }
1330 1866
1331 $map->{load_path} = $path; 1867 $self->{deny_reset} = 1
1868 if $self->no_reset;
1332 1869
1333 $map 1870 $self->default_region (cf::region::find_by_path $self->{path})
1871 unless $self->default_region;
1872
1873 1
1334} 1874}
1335 1875
1336sub find; 1876sub find;
1337sub find { 1877sub find {
1338 my ($path, $origin) = @_; 1878 my ($path, $origin) = @_;
1339 1879
1340 #warn "find<$path,$origin>\n";#d#
1341
1342 $path = new cf::path $path, $origin && $origin->path; 1880 $path = normalise $path, $origin && $origin->path;
1343 my $key = $path->as_string;
1344 1881
1882 cf::lock_wait "map_data:$path";#d#remove
1345 cf::lock_wait "map_find:$key"; 1883 cf::lock_wait "map_find:$path";
1346 1884
1347 $cf::MAP{$key} || do { 1885 $cf::MAP{$path} || do {
1348 my $guard = cf::lock_acquire "map_find:$key"; 1886 my $guard1 = cf::lock_acquire "map_find:$path";
1887 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1349 1888
1350 # do it the slow way 1889 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; 1890 or return;
1369 1891
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; 1892 $map->{last_save} = $cf::RUNTIME;
1382 1893
1383 Coro::cede; 1894 $map->load_header
1895 or return;
1384 1896
1385 if ($map->should_reset) { 1897 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898 # doing this can freeze the server in a sync job, obviously
1899 #$cf::WAIT_FOR_TICK->wait;
1900 undef $guard1;
1901 undef $guard2;
1386 $map->reset; 1902 $map->reset;
1387 undef $guard;
1388 $map = find $path 1903 return find $path;
1389 or return;
1390 } 1904 }
1391 1905
1392 $cf::MAP{$key} = $map 1906 $cf::MAP{$path} = $map
1393 } 1907 }
1394} 1908}
1909
1910sub pre_load { }
1911sub post_load { }
1395 1912
1396sub load { 1913sub load {
1397 my ($self) = @_; 1914 my ($self) = @_;
1398 1915
1916 local $self->{deny_reset} = 1; # loading can take a long time
1917
1399 my $path = $self->{path}; 1918 my $path = $self->{path};
1919
1920 {
1400 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1921 my $guard = cf::lock_acquire "map_data:$path";
1401 1922
1923 return unless $self->valid;
1402 return if $self->in_memory != cf::MAP_SWAPPED; 1924 return unless $self->in_memory == cf::MAP_SWAPPED;
1403 1925
1404 $self->in_memory (cf::MAP_LOADING); 1926 $self->in_memory (cf::MAP_LOADING);
1405 1927
1406 $self->alloc; 1928 $self->alloc;
1407 $self->load_objects ($self->{load_path}, 1) 1929
1930 $self->pre_load;
1931 cf::cede_to_tick;
1932
1933 my $f = new_from_file cf::object::thawer $self->{load_path};
1934 $f->skip_block;
1935 $self->_load_objects ($f)
1408 or return; 1936 or return;
1409 1937
1410 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1938 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411 if delete $self->{load_original}; 1939 if delete $self->{load_original};
1412 1940
1413 if (my $uniq = $path->uniq_path) { 1941 if (my $uniq = $self->uniq_path) {
1414 utf8::encode $uniq; 1942 utf8::encode $uniq;
1415 if (aio_open $uniq, O_RDONLY, 0) { 1943 unless (aio_stat $uniq) {
1944 if (my $f = new_from_file cf::object::thawer $uniq) {
1416 $self->clear_unique_items; 1945 $self->clear_unique_items;
1417 $self->load_objects ($uniq, 0); 1946 $self->_load_objects ($f);
1947 $f->resolve_delayed_derefs;
1948 }
1418 } 1949 }
1419 } 1950 }
1420 1951
1421 Coro::cede; 1952 $f->resolve_delayed_derefs;
1422 1953
1954 cf::cede_to_tick;
1423 # now do the right thing for maps 1955 # now do the right thing for maps
1424 $self->link_multipart_objects; 1956 $self->link_multipart_objects;
1425
1426 if ($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) 1957 $self->difficulty ($self->estimate_difficulty)
1435 unless $self->difficulty; 1958 unless $self->difficulty;
1959 cf::cede_to_tick;
1960
1961 unless ($self->{deny_activate}) {
1962 $self->decay_objects;
1963 $self->fix_auto_apply;
1964 $self->update_buttons;
1965 cf::cede_to_tick;
1966 $self->set_darkness_map;
1967 cf::cede_to_tick;
1436 $self->activate; 1968 $self->activate;
1437 } 1969 }
1438 1970
1439 Coro::cede; 1971 $self->{last_save} = $cf::RUNTIME;
1972 $self->last_access ($cf::RUNTIME);
1440 1973
1441 $self->in_memory (cf::MAP_IN_MEMORY); 1974 $self->in_memory (cf::MAP_IN_MEMORY);
1975 }
1976
1977 $self->post_load;
1978}
1979
1980sub customise_for {
1981 my ($self, $ob) = @_;
1982
1983 return find "~" . $ob->name . "/" . $self->{path}
1984 if $self->per_player;
1985
1986# return find "?party/" . $ob->name . "/" . $self->{path}
1987# if $self->per_party;
1988
1989 $self
1442} 1990}
1443 1991
1444# find and load all maps in the 3x3 area around a map 1992# find and load all maps in the 3x3 area around a map
1445sub load_diag { 1993sub load_neighbours {
1446 my ($map) = @_; 1994 my ($map) = @_;
1447 1995
1448 my @diag; # diagonal neighbours 1996 my @neigh; # diagonal neighbours
1449 1997
1450 for (0 .. 3) { 1998 for (0 .. 3) {
1451 my $neigh = $map->tile_path ($_) 1999 my $neigh = $map->tile_path ($_)
1452 or next; 2000 or next;
1453 $neigh = find $neigh, $map 2001 $neigh = find $neigh, $map
1454 or next; 2002 or next;
1455 $neigh->load; 2003 $neigh->load;
1456 2004
2005 push @neigh,
1457 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2006 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1458 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2007 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1459 } 2008 }
1460 2009
1461 for (@diag) { 2010 for (grep defined $_->[0], @neigh) {
2011 my ($path, $origin) = @$_;
1462 my $neigh = find @$_ 2012 my $neigh = find $path, $origin
1463 or next; 2013 or next;
1464 $neigh->load; 2014 $neigh->load;
1465 } 2015 }
1466} 2016}
1467 2017
… …
1472} 2022}
1473 2023
1474sub do_load_sync { 2024sub do_load_sync {
1475 my ($map) = @_; 2025 my ($map) = @_;
1476 2026
2027 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2028 if $Coro::current == $Coro::main;
2029
1477 cf::sync_job { $map->load }; 2030 cf::sync_job { $map->load };
1478} 2031}
1479 2032
1480our %MAP_PREFETCH; 2033our %MAP_PREFETCH;
2034our $MAP_PREFETCHER = undef;
2035
2036sub find_async {
2037 my ($path, $origin, $load) = @_;
2038
2039 $path = normalise $path, $origin && $origin->{path};
2040
2041 if (my $map = $cf::MAP{$path}) {
2042 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2043 }
2044
2045 $MAP_PREFETCH{$path} |= $load;
2046
1481our $MAP_PREFETCHER = Coro::async { 2047 $MAP_PREFETCHER ||= cf::async {
1482 while () { 2048 $Coro::current->{desc} = "map prefetcher";
2049
1483 while (%MAP_PREFETCH) { 2050 while (%MAP_PREFETCH) {
1484 my $key = each %MAP_PREFETCH 2051 while (my ($k, $v) = each %MAP_PREFETCH) {
1485 or next; 2052 if (my $map = find $k) {
2053 $map->load if $v;
2054 }
2055
1486 my $path = delete $MAP_PREFETCH{$key}; 2056 delete $MAP_PREFETCH{$k};
1487
1488 my $map = find $path
1489 or next;
1490 $map->load;
1491 } 2057 }
1492 Coro::schedule; 2058 }
2059 undef $MAP_PREFETCHER;
1493 } 2060 };
1494};
1495
1496sub find_async {
1497 my ($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; 2061 $MAP_PREFETCHER->prio (6);
1508 2062
1509 () 2063 ()
1510} 2064}
1511 2065
1512sub save { 2066sub save {
1513 my ($self) = @_; 2067 my ($self) = @_;
1514 2068
1515 my $lock = cf::lock_acquire "map_data:" . $self->path; 2069 my $lock = cf::lock_acquire "map_data:$self->{path}";
1516 2070
1517 $self->{last_save} = $cf::RUNTIME; 2071 $self->{last_save} = $cf::RUNTIME;
1518 2072
1519 return unless $self->dirty; 2073 return unless $self->dirty;
1520 2074
1521 my $save = $self->{path}->save_path; utf8::encode $save; 2075 my $save = $self->save_path; utf8::encode $save;
1522 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2076 my $uniq = $self->uniq_path; utf8::encode $uniq;
1523 2077
1524 $self->{load_path} = $save; 2078 $self->{load_path} = $save;
1525 2079
1526 return if $self->{deny_save}; 2080 return if $self->{deny_save};
1527 2081
1528 local $self->{last_access} = $self->last_access;#d# 2082 local $self->{last_access} = $self->last_access;#d#
1529 2083
1530 cf::async { 2084 cf::async {
2085 $Coro::current->{desc} = "map player save";
1531 $_->contr->save for $self->players; 2086 $_->contr->save for $self->players;
1532 }; 2087 };
1533 2088
1534 if ($uniq) { 2089 if ($uniq) {
1535 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2090 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->save_objects ($uniq, cf::IO_UNIQUES); 2091 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 2092 } else {
1538 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2093 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 2094 }
1540} 2095}
1541 2096
1542sub swap_out { 2097sub swap_out {
1543 my ($self) = @_; 2098 my ($self) = @_;
1544 2099
1545 # save first because save cedes 2100 # save first because save cedes
1546 $self->save; 2101 $self->save;
1547 2102
1548 my $lock = cf::lock_acquire "map_data:" . $self->path; 2103 my $lock = cf::lock_acquire "map_data:$self->{path}";
1549 2104
1550 return if $self->players; 2105 return if $self->players;
1551 return if $self->in_memory != cf::MAP_IN_MEMORY; 2106 return if $self->in_memory != cf::MAP_IN_MEMORY;
1552 return if $self->{deny_save}; 2107 return if $self->{deny_save};
1553 2108
2109 $self->in_memory (cf::MAP_SWAPPED);
2110
2111 $self->deactivate;
2112 $_->clear_links_to ($self) for values %cf::MAP;
1554 $self->clear; 2113 $self->clear;
1555 $self->in_memory (cf::MAP_SWAPPED);
1556} 2114}
1557 2115
1558sub reset_at { 2116sub reset_at {
1559 my ($self) = @_; 2117 my ($self) = @_;
1560 2118
1561 # TODO: safety, remove and allow resettable per-player maps 2119 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->{path}{user_rel};
1563 return 1e99 if $self->{deny_reset}; 2120 return 1e99 if $self->{deny_reset};
1564 2121
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2122 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2123 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 2124
… …
1572 my ($self) = @_; 2129 my ($self) = @_;
1573 2130
1574 $self->reset_at <= $cf::RUNTIME 2131 $self->reset_at <= $cf::RUNTIME
1575} 2132}
1576 2133
1577sub unlink_save {
1578 my ($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 $self->save;
1596}
1597
1598sub reset { 2134sub reset {
1599 my ($self) = @_; 2135 my ($self) = @_;
1600 2136
1601 my $lock = cf::lock_acquire "map_data:" . $self->path; 2137 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 2138
1603 return if $self->players; 2139 return if $self->players;
1604 return if $self->{path}{user_rel};#d#
1605 2140
1606 warn "resetting map ", $self->path;#d# 2141 warn "resetting map ", $self->path;
2142
2143 $self->in_memory (cf::MAP_SWAPPED);
2144
2145 # need to save uniques path
2146 unless ($self->{deny_save}) {
2147 my $uniq = $self->uniq_path; utf8::encode $uniq;
2148
2149 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2150 if $uniq;
2151 }
1607 2152
1608 delete $cf::MAP{$self->path}; 2153 delete $cf::MAP{$self->path};
1609 2154
2155 $self->deactivate;
1610 $_->clear_links_to ($self) for values %cf::MAP; 2156 $_->clear_links_to ($self) for values %cf::MAP;
2157 $self->clear;
1611 2158
1612 $self->unlink_save; 2159 $self->unlink_save;
1613 $self->destroy; 2160 $self->destroy;
1614} 2161}
1615 2162
1616my $nuke_counter = "aaaa"; 2163my $nuke_counter = "aaaa";
1617 2164
1618sub nuke { 2165sub nuke {
1619 my ($self) = @_; 2166 my ($self) = @_;
1620 2167
2168 {
2169 my $lock = cf::lock_acquire "map_data:$self->{path}";
2170
2171 delete $cf::MAP{$self->path};
2172
2173 $self->unlink_save;
2174
2175 bless $self, "cf::map";
2176 delete $self->{deny_reset};
1621 $self->{deny_save} = 1; 2177 $self->{deny_save} = 1;
1622 $self->reset_timeout (1); 2178 $self->reset_timeout (1);
1623 $self->rename ("{nuke}/" . ($nuke_counter++)); 2179 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2180
2181 $cf::MAP{$self->path} = $self;
2182 }
2183
1624 $self->reset; # polite request, might not happen 2184 $self->reset; # polite request, might not happen
1625} 2185}
1626 2186
1627sub customise_for { 2187=item $maps = cf::map::tmp_maps
1628 my ($map, $ob) = @_;
1629 2188
1630 if ($map->per_player) { 2189Returns an arrayref with all map paths of currently instantiated and saved
1631 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2190maps. May block.
2191
2192=cut
2193
2194sub tmp_maps() {
1632 } 2195 [
2196 map {
2197 utf8::decode $_;
2198 /\.map$/
2199 ? normalise $_
2200 : ()
2201 } @{ aio_readdir $TMPDIR or [] }
2202 ]
2203}
1633 2204
1634 $map 2205=item $maps = cf::map::random_maps
2206
2207Returns an arrayref with all map paths of currently instantiated and saved
2208random maps. May block.
2209
2210=cut
2211
2212sub random_maps() {
2213 [
2214 map {
2215 utf8::decode $_;
2216 /\.map$/
2217 ? normalise "?random/$_"
2218 : ()
2219 } @{ aio_readdir $RANDOMDIR or [] }
2220 ]
2221}
2222
2223=item cf::map::unique_maps
2224
2225Returns an arrayref of paths of all shared maps that have
2226instantiated unique items. May block.
2227
2228=cut
2229
2230sub unique_maps() {
2231 [
2232 map {
2233 utf8::decode $_;
2234 /\.map$/
2235 ? normalise $_
2236 : ()
2237 } @{ aio_readdir $UNIQUEDIR or [] }
2238 ]
1635} 2239}
1636 2240
1637package cf; 2241package cf;
1638 2242
1639=back 2243=back
… …
1657 map { $_, inv_recursive_ $_->inv } @_ 2261 map { $_, inv_recursive_ $_->inv } @_
1658} 2262}
1659 2263
1660sub inv_recursive { 2264sub inv_recursive {
1661 inv_recursive_ inv $_[0] 2265 inv_recursive_ inv $_[0]
2266}
2267
2268=item $ref = $ob->ref
2269
2270creates and returns a persistent reference to an objetc that can be stored as a string.
2271
2272=item $ob = cf::object::deref ($refstring)
2273
2274returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275even if the object actually exists. May block.
2276
2277=cut
2278
2279sub deref {
2280 my ($ref) = @_;
2281
2282 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283 my ($uuid, $name) = ($1, $2);
2284 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285 or return;
2286 $pl->ob->uuid eq $uuid
2287 or return;
2288
2289 $pl->ob
2290 } else {
2291 warn "$ref: cannot resolve object reference\n";
2292 undef
2293 }
1662} 2294}
1663 2295
1664package cf; 2296package cf;
1665 2297
1666=back 2298=back
… …
1685 2317
1686 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2318 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687 2319
1688 if ($self->{record_replies}) { 2320 if ($self->{record_replies}) {
1689 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2321 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2322
1690 } else { 2323 } else {
2324 my $pl = $self->contr;
2325
2326 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2327 my $dialog = $pl->{npc_dialog};
2328 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329
2330 } else {
1691 $msg = $npc->name . " says: $msg" if $npc; 2331 $msg = $npc->name . " says: $msg" if $npc;
1692 $self->message ($msg, $flags); 2332 $self->message ($msg, $flags);
2333 }
1693 } 2334 }
2335}
2336
2337=item $object->send_msg ($channel, $msg, $color, [extra...])
2338
2339=cut
2340
2341sub cf::object::send_msg {
2342 my $pl = shift->contr
2343 or return;
2344 $pl->send_msg (@_);
1694} 2345}
1695 2346
1696=item $player_object->may ("access") 2347=item $player_object->may ("access")
1697 2348
1698Returns wether the given player is authorized to access resource "access" 2349Returns wether the given player is authorized to access resource "access"
… …
1711 2362
1712=item $player_object->enter_link 2363=item $player_object->enter_link
1713 2364
1714Freezes the player and moves him/her to a special map (C<{link}>). 2365Freezes the player and moves him/her to a special map (C<{link}>).
1715 2366
1716The player should be reaosnably safe there for short amounts of time. You 2367The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 2368I<MUST> call C<leave_link> as soon as possible, though.
1718 2369
2370Will never block.
2371
1719=item $player_object->leave_link ($map, $x, $y) 2372=item $player_object->leave_link ($map, $x, $y)
1720 2373
1721Moves the player out of the specila link map onto the given map. If the 2374Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 2375map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 2376to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 2377fails, to the emergency map position.
1725 2378
1726Might block. 2379Might block.
1727 2380
1728=cut 2381=cut
2382
2383sub link_map {
2384 unless ($LINK_MAP) {
2385 $LINK_MAP = cf::map::find "{link}"
2386 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2387 $LINK_MAP->load;
2388 }
2389
2390 $LINK_MAP
2391}
1729 2392
1730sub cf::object::player::enter_link { 2393sub cf::object::player::enter_link {
1731 my ($self) = @_; 2394 my ($self) = @_;
1732 2395
1733 $self->deactivate_recursive; 2396 $self->deactivate_recursive;
1734 2397
1735 return if $self->map == $LINK_MAP; 2398 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 2399
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2400 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 2401 if $self->map && $self->map->{path} ne "{link}";
1739 2402
1740 $self->enter_map ($LINK_MAP, 20, 20); 2403 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 2404}
1742 2405
1743sub cf::object::player::leave_link { 2406sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 2407 my ($self, $map, $x, $y) = @_;
2408
2409 return unless $self->contr->active;
1745 2410
1746 my $link_pos = delete $self->{_link_pos}; 2411 my $link_pos = delete $self->{_link_pos};
1747 2412
1748 unless ($map) { 2413 unless ($map) {
1749 # restore original map position 2414 # restore original map position
… …
1763 # use -1 or undef as default coordinates, not 0, 0 2428 # use -1 or undef as default coordinates, not 0, 0
1764 ($x, $y) = ($map->enter_x, $map->enter_y) 2429 ($x, $y) = ($map->enter_x, $map->enter_y)
1765 if $x <=0 && $y <= 0; 2430 if $x <=0 && $y <= 0;
1766 2431
1767 $map->load; 2432 $map->load;
1768 $map->load_diag; 2433 $map->load_neighbours;
1769 2434
1770 return unless $self->contr->active; 2435 return unless $self->contr->active;
1771 $self->activate_recursive; 2436 $self->activate_recursive;
2437
2438 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 2439 $self->enter_map ($map, $x, $y);
1773} 2440}
1774 2441
1775cf::player->attach ( 2442=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776 on_logout => sub {
1777 my ($pl) = @_;
1778 2443
1779 # abort map switching before logout 2444Moves the player to the given map-path and coordinates by first freezing
1780 if ($pl->ob->{_link_pos}) { 2445her, loading and preparing them map, calling the provided $check callback
1781 cf::sync_job { 2446that has to return the map if sucecssful, and then unfreezes the player on
1782 $pl->ob->leave_link 2447the new (success) or old (failed) map position. In either case, $done will
1783 }; 2448be called at the end of this process.
1784 }
1785 },
1786 on_login => sub {
1787 my ($pl) = @_;
1788 2449
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 2450=cut
2451
2452our $GOTOGEN;
1810 2453
1811sub cf::object::player::goto { 2454sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 2455 my ($self, $path, $x, $y, $check, $done) = @_;
1813 2456
1814 $path = new cf::path $path; 2457 # do generation counting so two concurrent goto's will be executed in-order
1815 $path ne "/" or Carp::cluck ("oy");#d# 2458 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816 2459
1817 $self->enter_link; 2460 $self->enter_link;
1818 2461
1819 (async { 2462 (async {
1820 my $map = cf::map::find $path->as_string; 2463 $Coro::current->{desc} = "player::goto $path $x $y";
2464
2465 # *tag paths override both path and x|y
2466 if ($path =~ /^\*(.*)$/) {
2467 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2468 my $ob = $obs[rand @obs];
2469
2470 # see if we actually can go there
2471 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2472 $ob = $obs[rand @obs];
2473 } else {
2474 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2475 }
2476 # else put us there anyways for now #d#
2477
2478 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2479 } else {
2480 ($path, $x, $y) = (undef, undef, undef);
2481 }
2482 }
2483
2484 my $map = eval {
2485 my $map = defined $path ? cf::map::find $path : undef;
2486
2487 if ($map) {
1821 $map = $map->customise_for ($self) if $map; 2488 $map = $map->customise_for ($self);
1822 2489 $map = $check->($map) if $check && $map;
1823# warn "entering ", $map->path, " at ($x, $y)\n" 2490 } else {
1824# if $map;
1825
1826 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2491 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2492 }
1827 2493
2494 $map
2495 };
2496
2497 if ($@) {
2498 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2499 LOG llevError | logBacktrace, Carp::longmess $@;
2500 }
2501
2502 if ($gen == $self->{_goto_generation}) {
2503 delete $self->{_goto_generation};
1828 $self->leave_link ($map, $x, $y); 2504 $self->leave_link ($map, $x, $y);
2505 }
2506
2507 $done->() if $done;
1829 })->prio (1); 2508 })->prio (1);
1830} 2509}
1831 2510
1832=item $player_object->enter_exit ($exit_object) 2511=item $player_object->enter_exit ($exit_object)
1833 2512
… …
1835 2514
1836sub parse_random_map_params { 2515sub parse_random_map_params {
1837 my ($spec) = @_; 2516 my ($spec) = @_;
1838 2517
1839 my $rmp = { # defaults 2518 my $rmp = { # defaults
1840 xsize => 10, 2519 xsize => (cf::rndm 15, 40),
1841 ysize => 10, 2520 ysize => (cf::rndm 15, 40),
2521 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2522 #layout => string,
1842 }; 2523 };
1843 2524
1844 for (split /\n/, $spec) { 2525 for (split /\n/, $spec) {
1845 my ($k, $v) = split /\s+/, $_, 2; 2526 my ($k, $v) = split /\s+/, $_, 2;
1846 2527
… …
1850 $rmp 2531 $rmp
1851} 2532}
1852 2533
1853sub prepare_random_map { 2534sub prepare_random_map {
1854 my ($exit) = @_; 2535 my ($exit) = @_;
2536
2537 my $guard = cf::lock_acquire "exit_prepare:$exit";
1855 2538
1856 # all this does is basically replace the /! path by 2539 # all this does is basically replace the /! path by
1857 # a new random map path (?random/...) with a seed 2540 # a new random map path (?random/...) with a seed
1858 # that depends on the exit object 2541 # that depends on the exit object
1859 2542
1860 my $rmp = parse_random_map_params $exit->msg; 2543 my $rmp = parse_random_map_params $exit->msg;
1861 2544
1862 if ($exit->map) { 2545 if ($exit->map) {
1863 $rmp->{region} = $exit->map->region_name; 2546 $rmp->{region} = $exit->region->name;
1864 $rmp->{origin_map} = $exit->map->path; 2547 $rmp->{origin_map} = $exit->map->path;
1865 $rmp->{origin_x} = $exit->x; 2548 $rmp->{origin_x} = $exit->x;
1866 $rmp->{origin_y} = $exit->y; 2549 $rmp->{origin_y} = $exit->y;
1867 } 2550 }
1868 2551
1869 $rmp->{random_seed} ||= $exit->random_seed; 2552 $rmp->{random_seed} ||= $exit->random_seed;
1870 2553
1871 my $data = cf::to_json $rmp; 2554 my $data = cf::to_json $rmp;
1872 my $md5 = Digest::MD5::md5_hex $data; 2555 my $md5 = Digest::MD5::md5_hex $data;
2556 my $meta = "$RANDOMDIR/$md5.meta";
1873 2557
1874 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2558 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875 aio_write $fh, 0, (length $data), $data, 0; 2559 aio_write $fh, 0, (length $data), $data, 0;
2560 undef $fh;
2561 aio_rename "$meta~", $meta;
1876 2562
1877 $exit->slaying ("?random/$md5"); 2563 $exit->slaying ("?random/$md5");
1878 $exit->msg (undef); 2564 $exit->msg (undef);
1879 } 2565 }
1880} 2566}
… …
1882sub cf::object::player::enter_exit { 2568sub cf::object::player::enter_exit {
1883 my ($self, $exit) = @_; 2569 my ($self, $exit) = @_;
1884 2570
1885 return unless $self->type == cf::PLAYER; 2571 return unless $self->type == cf::PLAYER;
1886 2572
2573 if ($exit->slaying eq "/!") {
2574 #TODO: this should de-fi-ni-te-ly not be a sync-job
2575 # the problem is that $exit might not survive long enough
2576 # so it needs to be done right now, right here
2577 cf::sync_job { prepare_random_map $exit };
2578 }
2579
2580 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581 my $hp = $exit->stats->hp;
2582 my $sp = $exit->stats->sp;
2583
1887 $self->enter_link; 2584 $self->enter_link;
1888 2585
2586 # if exit is damned, update players death & WoR home-position
2587 $self->contr->savebed ($slaying, $hp, $sp)
2588 if $exit->flag (FLAG_DAMNED);
2589
1889 (async { 2590 (async {
2591 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2592
1890 $self->deactivate_recursive; # just to be sure 2593 $self->deactivate_recursive; # just to be sure
1891 unless (eval { 2594 unless (eval {
1892 prepare_random_map $exit 2595 $self->goto ($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 2596
1898 1; 2597 1;
1899 }) { 2598 }) {
1900 $self->message ("Something went wrong deep within the crossfire server. " 2599 $self->message ("Something went wrong deep within the crossfire server. "
1901 . "I'll try to bring you back to the map you were before. " 2600 . "I'll try to bring you back to the map you were before. "
1902 . "Please report this to the dungeon master", 2601 . "Please report this to the dungeon master!",
1903 cf::NDI_UNIQUE | cf::NDI_RED); 2602 cf::NDI_UNIQUE | cf::NDI_RED);
1904 2603
1905 warn "ERROR in enter_exit: $@"; 2604 warn "ERROR in enter_exit: $@";
1906 $self->leave_link; 2605 $self->leave_link;
1907 } 2606 }
1908 })->prio (1); 2607 })->prio (1);
… …
1921 2620
1922sub cf::client::send_drawinfo { 2621sub cf::client::send_drawinfo {
1923 my ($self, $text, $flags) = @_; 2622 my ($self, $text, $flags) = @_;
1924 2623
1925 utf8::encode $text; 2624 utf8::encode $text;
1926 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2625 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927} 2626}
1928 2627
2628=item $client->send_msg ($channel, $msg, $color, [extra...])
2629
2630Send a drawinfo or msg packet to the client, formatting the msg for the
2631client if neccessary. C<$type> should be a string identifying the type of
2632the message, with C<log> being the default. If C<$color> is negative, suppress
2633the message unless the client supports the msg packet.
2634
2635=cut
2636
2637our %CHANNEL = (
2638 "c/identify" => {
2639 id => "infobox",
2640 title => "Identify",
2641 reply => undef,
2642 tooltip => "Items recently identified",
2643 },
2644 "c/examine" => {
2645 id => "infobox",
2646 title => "Examine",
2647 reply => undef,
2648 tooltip => "Signs and other items you examined",
2649 },
2650 "c/lookat" => {
2651 id => "infobox",
2652 title => "Look",
2653 reply => undef,
2654 tooltip => "What you saw there",
2655 },
2656);
2657
2658sub cf::client::send_msg {
2659 my ($self, $channel, $msg, $color, @extra) = @_;
2660
2661 $msg = $self->pl->expand_cfpod ($msg);
2662
2663 $color &= cf::NDI_CLIENT_MASK; # just in case...
2664
2665 # check predefined channels, for the benefit of C
2666 if ($CHANNEL{$channel}) {
2667 $channel = $CHANNEL{$channel};
2668
2669 $self->ext_msg (channel_info => $channel)
2670 if $self->can_msg;
2671
2672 $channel = $channel->{id};
2673
2674 } elsif (ref $channel) {
2675 # send meta info to client, if not yet sent
2676 unless (exists $self->{channel}{$channel->{id}}) {
2677 $self->{channel}{$channel->{id}} = $channel;
2678 $self->ext_msg (channel_info => $channel)
2679 if $self->can_msg;
2680 }
2681
2682 $channel = $channel->{id};
2683 }
2684
2685 return unless @extra || length $msg;
2686
2687 if ($self->can_msg) {
2688 # default colour, mask it out
2689 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690 if $color & cf::NDI_DEF;
2691
2692 $self->send_packet ("msg " . $self->{json_coder}->encode (
2693 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2694 } else {
2695 if ($color >= 0) {
2696 # replace some tags by gcfclient-compatible ones
2697 for ($msg) {
2698 1 while
2699 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704 }
2705
2706 $color &= cf::NDI_COLOR_MASK;
2707
2708 utf8::encode $msg;
2709
2710 if (0 && $msg =~ /\[/) {
2711 # COMMAND/INFO
2712 $self->send_packet ("drawextinfo $color 10 8 $msg")
2713 } else {
2714 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715 $self->send_packet ("drawinfo $color $msg")
2716 }
2717 }
2718 }
2719}
2720
2721=item $client->ext_msg ($type, @msg)
2722
2723Sends an ext event to the client.
2724
2725=cut
2726
2727sub cf::client::ext_msg($$@) {
2728 my ($self, $type, @msg) = @_;
2729
2730 if ($self->extcmd == 2) {
2731 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2732 } elsif ($self->extcmd == 1) { # TODO: remove
2733 push @msg, msgtype => "event_$type";
2734 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2735 }
2736}
2737
2738=item $client->ext_reply ($msgid, @msg)
2739
2740Sends an ext reply to the client.
2741
2742=cut
2743
2744sub cf::client::ext_reply($$@) {
2745 my ($self, $id, @msg) = @_;
2746
2747 if ($self->extcmd == 2) {
2748 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2749 } elsif ($self->extcmd == 1) {
2750 #TODO: version 1, remove
2751 unshift @msg, msgtype => "reply", msgid => $id;
2752 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2753 }
2754}
1929 2755
1930=item $success = $client->query ($flags, "text", \&cb) 2756=item $success = $client->query ($flags, "text", \&cb)
1931 2757
1932Queues a query to the client, calling the given callback with 2758Queues a query to the client, calling the given callback with
1933the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2759the 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>. 2760C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935 2761
1936Queries can fail, so check the return code. Or don't, as queries will become 2762Queries can fail, so check the return code. Or don't, as queries will
1937reliable at some point in the future. 2763become reliable at some point in the future.
1938 2764
1939=cut 2765=cut
1940 2766
1941sub cf::client::query { 2767sub cf::client::query {
1942 my ($self, $flags, $text, $cb) = @_; 2768 my ($self, $flags, $text, $cb) = @_;
… …
1950 utf8::encode $text; 2776 utf8::encode $text;
1951 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2777 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952 2778
1953 $self->send_packet ($self->{query_queue}[0][0]) 2779 $self->send_packet ($self->{query_queue}[0][0])
1954 if @{ $self->{query_queue} } == 1; 2780 if @{ $self->{query_queue} } == 1;
2781
2782 1
1955} 2783}
1956 2784
1957cf::client->attach ( 2785cf::client->attach (
2786 on_connect => sub {
2787 my ($ns) = @_;
2788
2789 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2790 },
1958 on_reply => sub { 2791 on_reply => sub {
1959 my ($ns, $msg) = @_; 2792 my ($ns, $msg) = @_;
1960 2793
1961 # this weird shuffling is so that direct followup queries 2794 # this weird shuffling is so that direct followup queries
1962 # get handled first 2795 # get handled first
1963 my $queue = delete $ns->{query_queue} 2796 my $queue = delete $ns->{query_queue}
1964 or return; # be conservative, not sure how that can happen, but we saw a crash here 2797 or return; # be conservative, not sure how that can happen, but we saw a crash here
1965 2798
1966 (shift @$queue)->[1]->($msg); 2799 (shift @$queue)->[1]->($msg);
2800 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967 2801
1968 push @{ $ns->{query_queue} }, @$queue; 2802 push @{ $ns->{query_queue} }, @$queue;
1969 2803
1970 if (@{ $ns->{query_queue} } == @$queue) { 2804 if (@{ $ns->{query_queue} } == @$queue) {
1971 if (@$queue) { 2805 if (@$queue) {
… …
1973 } else { 2807 } else {
1974 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2808 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975 } 2809 }
1976 } 2810 }
1977 }, 2811 },
2812 on_exticmd => sub {
2813 my ($ns, $buf) = @_;
2814
2815 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2816
2817 if (ref $msg) {
2818 my ($type, $reply, @payload) =
2819 "ARRAY" eq ref $msg
2820 ? @$msg
2821 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2822
2823 my @reply;
2824
2825 if (my $cb = $EXTICMD{$type}) {
2826 @reply = $cb->($ns, @payload);
2827 }
2828
2829 $ns->ext_reply ($reply, @reply)
2830 if $reply;
2831
2832 } else {
2833 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2834 }
2835
2836 cf::override;
2837 },
1978); 2838);
1979 2839
1980=item $client->async (\&cb) 2840=item $client->async (\&cb)
1981 2841
1982Create a new coroutine, running the specified callback. The coroutine will 2842Create a new coroutine, running the specified callback. The coroutine will
… …
2023our $safe = new Safe "safe"; 2883our $safe = new Safe "safe";
2024our $safe_hole = new Safe::Hole; 2884our $safe_hole = new Safe::Hole;
2025 2885
2026$SIG{FPE} = 'IGNORE'; 2886$SIG{FPE} = 'IGNORE';
2027 2887
2028$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2888$safe->permit_only (Opcode::opset qw(
2889 :base_core :base_mem :base_orig :base_math
2890 grepstart grepwhile mapstart mapwhile
2891 sort time
2892));
2029 2893
2030# here we export the classes and methods available to script code 2894# here we export the classes and methods available to script code
2031 2895
2032=pod 2896=pod
2033 2897
2034The following fucntions and emthods are available within a safe environment: 2898The following functions and methods are available within a safe environment:
2035 2899
2036 cf::object contr pay_amount pay_player map 2900 cf::object
2901 contr pay_amount pay_player map x y force_find force_add destroy
2902 insert remove name archname title slaying race decrease_ob_nr
2903
2037 cf::object::player player 2904 cf::object::player
2038 cf::player peaceful 2905 player
2039 cf::map trigger 2906
2907 cf::player
2908 peaceful
2909
2910 cf::map
2911 trigger
2040 2912
2041=cut 2913=cut
2042 2914
2043for ( 2915for (
2044 ["cf::object" => qw(contr pay_amount pay_player map)], 2916 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917 insert remove inv name archname title slaying race
2918 decrease_ob_nr destroy)],
2045 ["cf::object::player" => qw(player)], 2919 ["cf::object::player" => qw(player)],
2046 ["cf::player" => qw(peaceful)], 2920 ["cf::player" => qw(peaceful)],
2047 ["cf::map" => qw(trigger)], 2921 ["cf::map" => qw(trigger)],
2048) { 2922) {
2049 no strict 'refs'; 2923 no strict 'refs';
… …
2120=back 2994=back
2121 2995
2122=cut 2996=cut
2123 2997
2124############################################################################# 2998#############################################################################
2999# the server's init and main functions
2125 3000
2126=head2 EXTENSION DATABASE SUPPORT 3001sub load_facedata($) {
3002 my ($path) = @_;
2127 3003
2128Crossfire maintains a very simple database for extension use. It can 3004 # HACK to clear player env face cache, we need some signal framework
2129currently store anything that can be serialised using Storable, which 3005 # for this (global event?)
2130excludes objects. 3006 %ext::player_env::MUSIC_FACE_CACHE = ();
2131 3007
2132The parameter C<$family> should best start with the name of the extension 3008 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133using it, it should be unique.
2134 3009
2135=over 4 3010 warn "loading facedata from $path\n";
2136 3011
2137=item $hashref = cf::db_get $family 3012 my $facedata;
3013 0 < aio_load $path, $facedata
3014 or die "$path: $!";
2138 3015
2139Return a hashref for use by the extension C<$family>, which can be 3016 $facedata = Coro::Storable::thaw $facedata;
2140modified. After modifications, you have to call C<cf::db_dirty> or
2141C<cf::db_sync>.
2142 3017
2143=item $value = cf::db_get $family => $key 3018 $facedata->{version} == 2
3019 or cf::cleanup "$path: version mismatch, cannot proceed.";
2144 3020
2145Returns a single value from the database 3021 # patch in the exptable
2146 3022 $facedata->{resource}{"res/exp_table"} = {
2147=item cf::db_put $family => $hashref 3023 type => FT_RSRC,
2148 3024 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 }); 3025 };
3026 cf::cede_to_tick;
2198 3027
2199 sub db_dirty() {
2200 $dirty = 1;
2201 $idle->start;
2202 } 3028 {
3029 my $faces = $facedata->{faceinfo};
2203 3030
2204 sub db_get($;$) { 3031 while (my ($face, $info) = each %$faces) {
2205 @_ >= 2 3032 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206 ? $DB->{$_[0]}{$_[1]} 3033 cf::face::set_visibility $idx, $info->{visibility};
2207 : ($DB->{$_[0]} ||= { }) 3034 cf::face::set_magicmap $idx, $info->{magicmap};
2208 } 3035 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3036 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2209 3037
2210 sub db_put($$;$) { 3038 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 }, 3039 }
2224 );
2225}
2226 3040
2227############################################################################# 3041 while (my ($face, $info) = each %$faces) {
2228# the server's main() 3042 next unless $info->{smooth};
3043 my $idx = cf::face::find $face
3044 or next;
3045 if (my $smooth = cf::face::find $info->{smooth}) {
3046 cf::face::set_smooth $idx, $smooth;
3047 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048 } else {
3049 warn "smooth face '$info->{smooth}' not found for face '$face'";
3050 }
2229 3051
2230sub cfg_load { 3052 cf::cede_to_tick;
3053 }
3054 }
3055
3056 {
3057 my $anims = $facedata->{animinfo};
3058
3059 while (my ($anim, $info) = each %$anims) {
3060 cf::anim::set $anim, $info->{frames}, $info->{facings};
3061 cf::cede_to_tick;
3062 }
3063
3064 cf::anim::invalidate_all; # d'oh
3065 }
3066
3067 {
3068 # TODO: for gcfclient pleasure, we should give resources
3069 # that gcfclient doesn't grok a >10000 face index.
3070 my $res = $facedata->{resource};
3071
3072 my $soundconf = delete $res->{"res/sound.conf"};
3073
3074 while (my ($name, $info) = each %$res) {
3075 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076 my $data;
3077
3078 if ($info->{type} & 1) {
3079 # prepend meta info
3080
3081 my $meta = $enc->encode ({
3082 name => $name,
3083 %{ $info->{meta} || {} },
3084 });
3085
3086 $data = pack "(w/a*)*", $meta, $info->{data};
3087 } else {
3088 $data = $info->{data};
3089 }
3090
3091 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092 cf::face::set_type $idx, $info->{type};
3093
3094 cf::cede_to_tick;
3095 }
3096
3097 if ($soundconf) {
3098 $soundconf = $enc->decode (delete $soundconf->{data});
3099
3100 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101 my $sound = $soundconf->{compat}[$_]
3102 or next;
3103
3104 my $face = cf::face::find "sound/$sound->[1]";
3105 cf::sound::set $sound->[0] => $face;
3106 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107 }
3108
3109 while (my ($k, $v) = each %{$soundconf->{event}}) {
3110 my $face = cf::face::find "sound/$v";
3111 cf::sound::set $k => $face;
3112 }
3113 }
3114 }
3115
3116 1
3117}
3118
3119register_exticmd fx_want => sub {
3120 my ($ns, $want) = @_;
3121
3122 while (my ($k, $v) = each %$want) {
3123 $ns->fx_want ($k, $v);
3124 }
3125};
3126
3127sub reload_regions {
3128 # HACK to clear player env face cache, we need some signal framework
3129 # for this (global event?)
3130 %ext::player_env::MUSIC_FACE_CACHE = ();
3131
3132 load_resource_file "$MAPDIR/regions"
3133 or die "unable to load regions file\n";
3134
3135 for (cf::region::list) {
3136 $_->{match} = qr/$_->{match}/
3137 if exists $_->{match};
3138 }
3139}
3140
3141sub reload_facedata {
3142 load_facedata "$DATADIR/facedata"
3143 or die "unable to load facedata\n";
3144}
3145
3146sub reload_archetypes {
3147 load_resource_file "$DATADIR/archetypes"
3148 or die "unable to load archetypes\n";
3149 #d# NEED to laod twice to resolve forward references
3150 # this really needs to be done in an extra post-pass
3151 # (which needs to be synchronous, so solve it differently)
3152 load_resource_file "$DATADIR/archetypes"
3153 or die "unable to load archetypes\n";
3154}
3155
3156sub reload_treasures {
3157 load_resource_file "$DATADIR/treasures"
3158 or die "unable to load treasurelists\n";
3159}
3160
3161sub reload_resources {
3162 warn "reloading resource files...\n";
3163
3164 reload_regions;
3165 reload_facedata;
3166 #reload_archetypes;#d#
3167 reload_archetypes;
3168 reload_treasures;
3169
3170 warn "finished reloading resource files\n";
3171}
3172
3173sub init {
3174 reload_resources;
3175}
3176
3177sub reload_config {
2231 open my $fh, "<:utf8", cf::confdir . "/config" 3178 open my $fh, "<:utf8", "$CONFDIR/config"
2232 or return; 3179 or return;
2233 3180
2234 local $/; 3181 local $/;
2235 *CFG = YAML::Syck::Load <$fh>; 3182 *CFG = YAML::Syck::Load <$fh>;
2236 3183
… …
2250 3197
2251sub main { 3198sub main {
2252 # we must not ever block the main coroutine 3199 # we must not ever block the main coroutine
2253 local $Coro::idle = sub { 3200 local $Coro::idle = sub {
2254 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3201 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202 (async {
3203 $Coro::current->{desc} = "IDLE BUG HANDLER";
2255 async { Event::one_event }; 3204 Event::one_event;
3205 })->prio (Coro::PRIO_MAX);
2256 }; 3206 };
2257 3207
2258 cfg_load; 3208 reload_config;
2259 db_load; 3209 db_init;
2260 load_extensions; 3210 load_extensions;
3211
3212 $TICK_WATCHER->start;
2261 Event::loop; 3213 Event::loop;
2262} 3214}
2263 3215
2264############################################################################# 3216#############################################################################
2265# initialisation and cleanup 3217# initialisation and cleanup
2266 3218
2267# install some emergency cleanup handlers 3219# install some emergency cleanup handlers
2268BEGIN { 3220BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 3221 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 3222 Event->signal (
3223 reentrant => 0,
2271 data => WF_AUTOCANCEL, 3224 data => WF_AUTOCANCEL,
2272 signal => $signal, 3225 signal => $signal,
3226 prio => 0,
2273 cb => sub { 3227 cb => sub {
2274 cf::cleanup "SIG$signal"; 3228 cf::cleanup "SIG$signal";
2275 }, 3229 },
2276 ); 3230 );
2277 } 3231 }
2278} 3232}
2279 3233
3234sub write_runtime {
3235 my $runtime = "$LOCALDIR/runtime";
3236
3237 # first touch the runtime file to show we are still running:
3238 # the fsync below can take a very very long time.
3239
3240 IO::AIO::aio_utime $runtime, undef, undef;
3241
3242 my $guard = cf::lock_acquire "write_runtime";
3243
3244 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3245 or return;
3246
3247 my $value = $cf::RUNTIME + 90 + 10;
3248 # 10 is the runtime save interval, for a monotonic clock
3249 # 60 allows for the watchdog to kill the server.
3250
3251 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3252 and return;
3253
3254 # always fsync - this file is important
3255 aio_fsync $fh
3256 and return;
3257
3258 # touch it again to show we are up-to-date
3259 aio_utime $fh, undef, undef;
3260
3261 close $fh
3262 or return;
3263
3264 aio_rename "$runtime~", $runtime
3265 and return;
3266
3267 warn "runtime file written.\n";
3268
3269 1
3270}
3271
2280sub emergency_save() { 3272sub emergency_save() {
2281 my $freeze_guard = cf::freeze_mainloop; 3273 my $freeze_guard = cf::freeze_mainloop;
2282 3274
2283 warn "enter emergency perl save\n"; 3275 warn "enter emergency perl save\n";
2284 3276
2285 cf::sync_job { 3277 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl 3278 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players 3279 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/Destroyed asynchronously. 3280 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n"; 3281 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) { 3282 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next; 3283 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next; 3284 $pl->valid or next;
3285 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2293 $pl->save; 3286 $pl->save;
2294 } 3287 }
2295 warn "end emergency player save\n"; 3288 warn "end emergency player save\n";
2296 3289
2297 warn "begin emergency map save\n"; 3290 warn "begin emergency map save\n";
… …
2299 my $map = $cf::MAP{$path} or next; 3292 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 3293 $map->valid or next;
2301 $map->save; 3294 $map->save;
2302 } 3295 }
2303 warn "end emergency map save\n"; 3296 warn "end emergency map save\n";
3297
3298 warn "begin emergency database checkpoint\n";
3299 BDB::db_env_txn_checkpoint $DB_ENV;
3300 warn "end emergency database checkpoint\n";
2304 }; 3301 };
2305 3302
2306 warn "leave emergency perl save\n"; 3303 warn "leave emergency perl save\n";
2307} 3304}
2308 3305
3306sub post_cleanup {
3307 my ($make_core) = @_;
3308
3309 warn Carp::longmess "post_cleanup backtrace"
3310 if $make_core;
3311}
3312
2309sub reload() { 3313sub do_reload_perl() {
2310 # can/must only be called in main 3314 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 3315 if ($Coro::current != $Coro::main) {
2312 warn "can only reload from main coroutine\n"; 3316 warn "can only reload from main coroutine";
2313 return; 3317 return;
2314 } 3318 }
2315 3319
2316 warn "reloading..."; 3320 warn "reloading...";
2317 3321
2318 my $guard = freeze_mainloop; 3322 warn "entering sync_job";
3323
3324 cf::sync_job {
3325 cf::write_runtime; # external watchdog should not bark
2319 cf::emergency_save; 3326 cf::emergency_save;
3327 cf::write_runtime; # external watchdog should not bark
2320 3328
2321 eval { 3329 warn "syncing database to disk";
3330 BDB::db_env_txn_checkpoint $DB_ENV;
3331
2322 # if anything goes wrong in here, we should simply crash as we already saved 3332 # if anything goes wrong in here, we should simply crash as we already saved
2323 3333
2324 # cancel all watchers 3334 warn "cancelling all WF_AUTOCANCEL watchers";
2325 for (Event::all_watchers) { 3335 for (Event::all_watchers) {
2326 $_->cancel if $_->data & WF_AUTOCANCEL; 3336 $_->cancel if $_->data & WF_AUTOCANCEL;
2327 } 3337 }
2328 3338
3339 warn "flushing outstanding aio requests";
3340 for (;;) {
3341 BDB::flush;
3342 IO::AIO::flush;
3343 Coro::cede;
3344 last unless IO::AIO::nreqs || BDB::nreqs;
3345 warn "iterate...";
3346 }
3347
3348 ++$RELOAD;
3349
2329 # cancel all extension coros 3350 warn "cancelling all extension coros";
2330 $_->cancel for values %EXT_CORO; 3351 $_->cancel for values %EXT_CORO;
2331 %EXT_CORO = (); 3352 %EXT_CORO = ();
2332 3353
2333 # unload all extensions 3354 warn "removing commands";
2334 for (@exts) { 3355 %COMMAND = ();
3356
3357 warn "removing ext/exti commands";
3358 %EXTCMD = ();
3359 %EXTICMD = ();
3360
3361 warn "unloading/nuking all extensions";
3362 for my $pkg (@EXTS) {
2335 warn "unloading <$_>"; 3363 warn "... unloading $pkg";
2336 unload_extension $_; 3364
3365 if (my $cb = $pkg->can ("unload")) {
3366 eval {
3367 $cb->($pkg);
3368 1
3369 } or warn "$pkg unloaded, but with errors: $@";
2337 } 3370 }
2338 3371
3372 warn "... nuking $pkg";
3373 Symbol::delete_package $pkg;
3374 }
3375
2339 # unload all modules loaded from $LIBDIR 3376 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 3377 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3378 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 3379
2343 warn "removing <$k>"; 3380 warn "... unloading $k";
2344 delete $INC{$k}; 3381 delete $INC{$k};
2345 3382
2346 $k =~ s/\.pm$//; 3383 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 3384 $k =~ s/\//::/g;
2348 3385
… …
2351 } 3388 }
2352 3389
2353 Symbol::delete_package $k; 3390 Symbol::delete_package $k;
2354 } 3391 }
2355 3392
2356 # sync database to disk
2357 cf::db_sync;
2358 IO::AIO::flush;
2359
2360 # get rid of safe::, as good as possible 3393 warn "getting rid of safe::, as good as possible";
2361 Symbol::delete_package "safe::$_" 3394 Symbol::delete_package "safe::$_"
2362 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3395 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363 3396
2364 # remove register_script_function callbacks
2365 # TODO
2366
2367 # unload cf.pm "a bit" 3397 warn "unloading cf.pm \"a bit\"";
2368 delete $INC{"cf.pm"}; 3398 delete $INC{"cf.pm"};
3399 delete $INC{"cf/pod.pm"};
2369 3400
2370 # don't, removes xs symbols, too, 3401 # don't, removes xs symbols, too,
2371 # and global variables created in xs 3402 # and global variables created in xs
2372 #Symbol::delete_package __PACKAGE__; 3403 #Symbol::delete_package __PACKAGE__;
2373 3404
2374 # reload cf.pm 3405 warn "unload completed, starting to reload now";
3406
2375 warn "reloading cf.pm"; 3407 warn "reloading cf.pm";
2376 require cf; 3408 require cf;
2377 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3409 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378 3410
2379 # load config and database again 3411 warn "loading config and database again";
2380 cf::cfg_load; 3412 cf::reload_config;
2381 cf::db_load;
2382 3413
2383 # load extensions
2384 warn "load extensions"; 3414 warn "loading extensions";
2385 cf::load_extensions; 3415 cf::load_extensions;
2386 3416
2387 # reattach attachments to objects 3417 warn "reattaching attachments to objects/players";
2388 warn "reattach"; 3418 _global_reattach; # objects, sockets
2389 _global_reattach; 3419 warn "reattaching attachments to maps";
2390 reattach $_ for values %MAP; 3420 reattach $_ for values %MAP;
2391 }; 3421 warn "reattaching attachments to players";
3422 reattach $_ for values %PLAYER;
2392 3423
2393 if ($@) { 3424 warn "leaving sync_job";
3425
3426 1
3427 } or do {
2394 warn $@; 3428 warn $@;
2395 warn "error while reloading, exiting."; 3429 warn "error while reloading, exiting.";
2396 exit 1; 3430 exit 1;
2397 } 3431 };
2398 3432
2399 warn "reloaded successfully"; 3433 warn "reloaded";
2400}; 3434};
2401 3435
2402############################################################################# 3436our $RELOAD_WATCHER; # used only during reload
2403 3437
2404unless ($LINK_MAP) { 3438sub reload_perl() {
2405 $LINK_MAP = cf::map::new; 3439 # doing reload synchronously and two reloads happen back-to-back,
3440 # coro crashes during coro_state_free->destroy here.
2406 3441
2407 $LINK_MAP->width (41); 3442 $RELOAD_WATCHER ||= Event->timer (
2408 $LINK_MAP->height (41); 3443 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, 3444 after => 0,
3445 data => WF_AUTOCANCEL,
2417 cb => sub { 3446 cb => sub {
2418 $_[0]->w->cancel; 3447 do_reload_perl;
2419 3448 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 }); 3449 },
2438 3450 );
2439 $LINK_MAP->{deny_save} = 1;
2440 $LINK_MAP->{deny_reset} = 1;
2441
2442 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443} 3451}
2444
2445register "<global>", __PACKAGE__;
2446 3452
2447register_command "reload" => sub { 3453register_command "reload" => sub {
2448 my ($who, $arg) = @_; 3454 my ($who, $arg) = @_;
2449 3455
2450 if ($who->flag (FLAG_WIZ)) { 3456 if ($who->flag (FLAG_WIZ)) {
2451 $who->message ("start of reload.");
2452 reload;
2453 $who->message ("end of reload."); 3457 $who->message ("reloading server.");
3458 async {
3459 $Coro::current->{desc} = "perl_reload";
3460 reload_perl;
3461 };
2454 } 3462 }
2455}; 3463};
2456 3464
2457unshift @INC, $LIBDIR; 3465unshift @INC, $LIBDIR;
3466
3467my $bug_warning = 0;
3468
3469our @WAIT_FOR_TICK;
3470our @WAIT_FOR_TICK_BEGIN;
3471
3472sub wait_for_tick {
3473 return unless $TICK_WATCHER->is_active;
3474 return if $Coro::current == $Coro::main;
3475
3476 my $signal = new Coro::Signal;
3477 push @WAIT_FOR_TICK, $signal;
3478 $signal->wait;
3479}
3480
3481sub wait_for_tick_begin {
3482 return unless $TICK_WATCHER->is_active;
3483 return if $Coro::current == $Coro::main;
3484
3485 my $signal = new Coro::Signal;
3486 push @WAIT_FOR_TICK_BEGIN, $signal;
3487 $signal->wait;
3488}
2458 3489
2459$TICK_WATCHER = Event->timer ( 3490$TICK_WATCHER = Event->timer (
2460 reentrant => 0, 3491 reentrant => 0,
3492 parked => 1,
2461 prio => 0, 3493 prio => 0,
2462 at => $NEXT_TICK || $TICK, 3494 at => $NEXT_TICK || $TICK,
2463 data => WF_AUTOCANCEL, 3495 data => WF_AUTOCANCEL,
2464 cb => sub { 3496 cb => sub {
3497 if ($Coro::current != $Coro::main) {
3498 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499 unless ++$bug_warning > 10;
3500 return;
3501 }
3502
3503 $NOW = $tick_start = Event::time;
3504
2465 cf::server_tick; # one server iteration 3505 cf::server_tick; # one server iteration
3506
2466 $RUNTIME += $TICK; 3507 $RUNTIME += $TICK;
2467 $NEXT_TICK += $TICK; 3508 $NEXT_TICK += $TICK;
2468 3509
2469 $WAIT_FOR_TICK->broadcast; 3510 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3511 $NEXT_RUNTIME_WRITE = $NOW + 10;
3512 Coro::async_pool {
3513 $Coro::current->{desc} = "runtime saver";
3514 write_runtime
3515 or warn "ERROR: unable to write runtime file: $!";
3516 };
3517 }
3518
3519 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520 $sig->send;
3521 }
3522 while (my $sig = shift @WAIT_FOR_TICK) {
3523 $sig->send;
3524 }
3525
3526 $NOW = Event::time;
2471 3527
2472 # if we are delayed by four ticks or more, skip them all 3528 # if we are delayed by four ticks or more, skip them all
2473 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3529 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474 3530
2475 $TICK_WATCHER->at ($NEXT_TICK); 3531 $TICK_WATCHER->at ($NEXT_TICK);
2476 $TICK_WATCHER->start; 3532 $TICK_WATCHER->start;
3533
3534 $LOAD = ($NOW - $tick_start) / $TICK;
3535 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536
3537 _post_tick;
2477 }, 3538 },
2478); 3539);
2479 3540
3541{
3542 BDB::min_parallel 8;
2480IO::AIO::max_poll_time $TICK * 0.2; 3543 BDB::max_poll_time $TICK * 0.1;
2481 3544 $BDB_POLL_WATCHER = Event->io (
2482Event->io ( 3545 reentrant => 0,
2483 fd => IO::AIO::poll_fileno, 3546 fd => BDB::poll_fileno,
2484 poll => 'r', 3547 poll => 'r',
2485 prio => 5, 3548 prio => 0,
2486 data => WF_AUTOCANCEL,
2487 cb => \&IO::AIO::poll_cb,
2488);
2489
2490Event->timer (
2491 data => WF_AUTOCANCEL, 3549 data => WF_AUTOCANCEL,
3550 cb => \&BDB::poll_cb,
3551 );
3552
3553 BDB::set_sync_prepare {
3554 my $status;
3555 my $current = $Coro::current;
3556 (
3557 sub {
3558 $status = $!;
3559 $current->ready; undef $current;
3560 },
3561 sub {
3562 Coro::schedule while defined $current;
3563 $! = $status;
3564 },
3565 )
3566 };
3567
3568 unless ($DB_ENV) {
3569 $DB_ENV = BDB::db_env_create;
3570 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3571 | BDB::LOG_AUTOREMOVE, 1);
3572 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574
3575 cf::sync_job {
3576 eval {
3577 BDB::db_env_open
3578 $DB_ENV,
3579 $BDBDIR,
3580 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3581 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3582 0666;
3583
3584 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3585 };
3586
3587 cf::cleanup "db_env_open(db): $@" if $@;
3588 };
3589 }
3590
3591 $BDB_DEADLOCK_WATCHER = Event->timer (
2492 after => 0, 3592 after => 3,
2493 interval => 10, 3593 interval => 1,
3594 hard => 1,
3595 prio => 0,
3596 data => WF_AUTOCANCEL,
2494 cb => sub { 3597 cb => sub {
2495 (Coro::unblock_sub { 3598 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2496 write_runtime 3599 },
2497 or warn "ERROR: unable to write runtime file: $!"; 3600 );
3601 $BDB_CHECKPOINT_WATCHER = Event->timer (
3602 after => 11,
3603 interval => 60,
3604 hard => 1,
3605 prio => 0,
3606 data => WF_AUTOCANCEL,
3607 cb => sub {
3608 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609 },
3610 );
3611 $BDB_TRICKLE_WATCHER = Event->timer (
3612 after => 5,
3613 interval => 10,
3614 hard => 1,
3615 prio => 0,
3616 data => WF_AUTOCANCEL,
3617 cb => sub {
3618 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619 },
3620 );
3621}
3622
3623{
3624 IO::AIO::min_parallel 8;
3625
3626 undef $Coro::AIO::WATCHER;
3627 IO::AIO::max_poll_time $TICK * 0.1;
3628 $AIO_POLL_WATCHER = Event->io (
3629 reentrant => 0,
3630 data => WF_AUTOCANCEL,
3631 fd => IO::AIO::poll_fileno,
3632 poll => 'r',
3633 prio => 0,
3634 cb => \&IO::AIO::poll_cb,
3635 );
3636}
3637
3638my $_log_backtrace;
3639
3640sub _log_backtrace {
3641 my ($msg, @addr) = @_;
3642
3643 $msg =~ s/\n//;
3644
3645 # limit the # of concurrent backtraces
3646 if ($_log_backtrace < 2) {
3647 ++$_log_backtrace;
3648 async {
3649 $Coro::current->{desc} = "abt $msg";
3650
3651 my @bt = fork_call {
3652 @addr = map { sprintf "%x", $_ } @addr;
3653 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3654 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3655 or die "addr2line: $!";
3656
3657 my @funcs;
3658 my @res = <$fh>;
3659 chomp for @res;
3660 while (@res) {
3661 my ($func, $line) = splice @res, 0, 2, ();
3662 push @funcs, "[$func] $line";
3663 }
3664
3665 @funcs
3666 };
3667
3668 LOG llevInfo, "[ABT] $msg\n";
3669 LOG llevInfo, "[ABT] $_\n" for @bt;
3670 --$_log_backtrace;
2498 })->(); 3671 };
3672 } else {
3673 LOG llevInfo, "[ABT] $msg\n";
3674 LOG llevInfo, "[ABT] [suppressed]\n";
2499 }, 3675 }
2500); 3676}
3677
3678# load additional modules
3679use cf::pod;
2501 3680
2502END { cf::emergency_save } 3681END { cf::emergency_save }
2503 3682
25041 36831
2505 3684

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