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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.5 (); 15use Coro 3.64 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS ();
20use BDB (); 27use BDB ();
21use Data::Dumper; 28use Data::Dumper;
22use Digest::MD5; 29use Digest::MD5;
23use Fcntl; 30use Fcntl;
31use YAML::Syck ();
24use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 33use Time::HiRes;
27use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
28 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 42
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
37 47
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
40our %COMMAND = (); 52our %COMMAND = ();
41our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
42 54
43our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
47 60
61our $RELOAD; # number of reloads so far
48our @EVENT; 62our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 63
51our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52our $TICK_WATCHER; 77our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 80our $NEXT_TICK;
56our $NOW; 81our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
58 83
59our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 88our $DB_ENV;
61 89
62our %CFG; 90our %CFG;
63 91
64our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 93our $RUNTIME;
66 94
67our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 98
76# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
79binmode STDOUT; 106binmode STDOUT;
80binmode STDERR; 107binmode STDERR;
81 108
82# read virtual server time, if available 109# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
87} 114}
88 115
89mkdir cf::localdir; 116mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 118
96our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
97 120
98sub cf::map::normalise; 121sub cf::map::normalise;
99 122
110=item $cf::RUNTIME 133=item $cf::RUNTIME
111 134
112The 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
113every server tick. 136every server tick.
114 137
115=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
116 141
117The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
118be 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.
119 146
120=item $cf::NOW 147=item $cf::NOW
121 148
122The time of the last (current) server tick. 149The time of the last (current) server tick.
123 150
124=item $cf::TICK 151=item $cf::TICK
125 152
126The 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.
127 164
128=item %cf::CFG 165=item %cf::CFG
129 166
130Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 168from wherever your confdir points to.
132 169
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
134 171
135These 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
136or 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
137processing 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.
138window 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.
139 181
140=back 182=back
141 183
142=cut 184=cut
143 185
144BEGIN { 186BEGIN {
145 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 188 my $msg = join "", @_;
147 utf8::encode $msg;
148 189
149 $msg .= "\n" 190 $msg .= "\n"
150 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151 194
152 LOG llevError, $msg; 195 LOG llevError, $msg;
153 }; 196 };
154} 197}
155 198
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@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';
161@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)
162 206
163# 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
164# within the Safe compartment. 208# within the Safe compartment.
165for my $pkg (qw( 209for my $pkg (qw(
166 cf::global cf::attachable 210 cf::global cf::attachable
174} 218}
175 219
176$Event::DIED = sub { 220$Event::DIED = sub {
177 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
178}; 222};
223
224#############################################################################
179 225
180=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
181 227
182=over 4 228=over 4
183 229
202 $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;
203 $d 249 $d
204 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
205} 251}
206 252
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
210 254
211Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
212 256
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
221 258
222Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
223 260
224=cut 261=cut
225 262
226sub to_json($) { 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 264
228 JSON::Syck::Dump $_[0] 265sub to_json ($) { $json_coder->encode ($_[0]) }
229} 266sub from_json ($) { $json_coder->decode ($_[0]) }
230 267
231=item cf::lock_wait $string 268=item cf::lock_wait $string
232 269
233Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
234 271
237Wait 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
238a 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,
239for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
240returned. 277returned.
241 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
242Lock 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
243uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
244 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
245=cut 289=cut
246 290
247our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
248 293
249sub lock_wait($) { 294sub lock_wait($) {
250 my ($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#
251 301
252 # wait for lock, if any 302 # wait for lock, if any
253 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 305 Coro::schedule;
261 311
262 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
263 lock_wait $key; 313 lock_wait $key;
264 314
265 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
266 317
267 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
270 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
271} 329}
272 330
273sub freeze_mainloop { 331sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
275 333
278 }; 336 };
279 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
280 $guard 338 $guard
281} 339}
282 340
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 my $signal = new Coro::Signal;
360
361 while () {
362 next_job:
363 my $avail = cf::till_tick;
364 if ($avail > 0.01) {
365 for (0 .. $#SLOT_QUEUE) {
366 if ($SLOT_QUEUE[$_][0] < $avail) {
367 my $job = splice @SLOT_QUEUE, $_, 1, ();
368 $job->[2]->send;
369 Coro::cede;
370 goto next_job;
371 }
372 }
373 }
374
375 if (@SLOT_QUEUE) {
376 # we do not use wait_For_tick() as it returns immediately when tick is inactive
377 push @cf::WAIT_FOR_TICK, $signal;
378 $signal->wait;
379 } else {
380 Coro::schedule;
381 }
382 }
383};
384
385sub get_slot($;$$) {
386 my ($time, $pri, $name) = @_;
387
388 $time = $TICK * .6 if $time > $TICK * .6;
389 my $sig = new Coro::Signal;
390
391 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393 $SLOT_QUEUE->ready;
394 $sig->wait;
395}
396
283=item cf::async { BLOCK } 397=item cf::async { BLOCK }
284 398
285Currently the same as Coro::async_pool, meaning you cannot use 399Currently the same as Coro::async_pool, meaning you cannot use
286C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 400C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287thing you are allowed to do is call C<prio> on it. 401thing you are allowed to do is call C<prio> on it.
290 404
291BEGIN { *async = \&Coro::async_pool } 405BEGIN { *async = \&Coro::async_pool }
292 406
293=item cf::sync_job { BLOCK } 407=item cf::sync_job { BLOCK }
294 408
295The design of crossfire+ requires that the main coro ($Coro::main) is 409The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 410is always able to handle events or runnable, as Crossfire TRT is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 411partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412acceptable.
298 413
299If it must be done, put the blocking parts into C<sync_job>. This will run 414If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 415the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 416server will be frozen during this time, so the block should either finish
302fast or be very important. 417fast or be very important.
305 420
306sub sync_job(&) { 421sub sync_job(&) {
307 my ($job) = @_; 422 my ($job) = @_;
308 423
309 if ($Coro::current == $Coro::main) { 424 if ($Coro::current == $Coro::main) {
425 my $time = Event::time;
426
310 # this is the main coro, too bad, we have to block 427 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 428 # till the operation succeeds, freezing the server :/
312 429
313 # TODO: use suspend/resume instead 430 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 431 # (but this is cancel-safe)
325 442
326 while ($busy) { 443 while ($busy) {
327 Coro::cede or Event::one_event; 444 Coro::cede or Event::one_event;
328 } 445 }
329 446
447 $time = Event::time - $time;
448
449 LOG llevError | logBacktrace, Carp::longmess "long sync job"
450 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452 $tick_start += $time; # do not account sync jobs to server load
453
330 wantarray ? @res : $res[0] 454 wantarray ? @res : $res[0]
331 } else { 455 } else {
332 # we are in another coroutine, how wonderful, everything just works 456 # we are in another coroutine, how wonderful, everything just works
333 457
334 $job->() 458 $job->()
353 $EXT_CORO{$coro+0} = $coro; 477 $EXT_CORO{$coro+0} = $coro;
354 478
355 $coro 479 $coro
356} 480}
357 481
358sub write_runtime { 482=item fork_call { }, $args
359 my $runtime = cf::localdir . "/runtime";
360 483
361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 484Executes the given code block with the given arguments in a seperate
362 or return; 485process, returning the results. Everything must be serialisable with
486Coro::Storable. May, of course, block. Note that the executed sub may
487never block itself or use any form of Event handling.
363 488
364 my $value = $cf::RUNTIME + 90 + 10; 489=cut
365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367 490
368 (aio_write $fh, 0, (length $value), $value, 0) <= 0 491sub fork_call(&@) {
369 and return; 492 my ($cb, @args) = @_;
370 493
371 # always fsync - this file is important 494 # we seemingly have to make a local copy of the whole thing,
372 aio_fsync $fh 495 # otherwise perl prematurely frees the stuff :/
373 and return; 496 # TODO: investigate and fix (likely this will be rather laborious)
374 497
375 close $fh 498 my @res = Coro::Util::fork_eval {
376 or return; 499 reset_signals;
500 &$cb
501 }, @args;
377 502
378 aio_rename "$runtime~", $runtime 503 wantarray ? @res : $res[-1]
379 and return; 504}
380 505
506=item $value = cf::db_get $family => $key
507
508Returns a single value from the environment database.
509
510=item cf::db_put $family => $key => $value
511
512Stores the given C<$value> in the family. It can currently store binary
513data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
514
515=item $db = cf::db_table "name"
516
517Create and/or open a new database table. The string must not be "db" and must be unique
518within each server.
519
520=cut
521
522sub db_table($) {
523 my ($name) = @_;
524 my $db = BDB::db_create $DB_ENV;
525
526 eval {
527 $db->set_flags (BDB::CHKSUM);
528
529 utf8::encode $name;
530 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
531 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
532 cf::cleanup "db_open(db): $!" if $!;
533 };
534 cf::cleanup "db_open(db): $@" if $@;
535
536 $db
537}
538
539our $DB;
540
541sub db_init {
542 cf::sync_job {
543 $DB ||= db_table "db";
544 };
545}
546
547sub db_get($$) {
548 my $key = "$_[0]/$_[1]";
549
550 cf::sync_job {
551 BDB::db_get $DB, undef, $key, my $data;
552
553 $! ? ()
554 : $data
381 1 555 }
556}
557
558sub db_put($$$) {
559 BDB::dbreq_pri 4;
560 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
561}
562
563=item cf::cache $id => [$paths...], $processversion => $process
564
565Generic caching function that returns the value of the resource $id,
566caching and regenerating as required.
567
568This function can block.
569
570=cut
571
572sub cache {
573 my ($id, $src, $processversion, $process) = @_;
574
575 my $meta =
576 join "\x00",
577 $processversion,
578 map {
579 aio_stat $_
580 and Carp::croak "$_: $!";
581
582 ($_, (stat _)[7,9])
583 } @$src;
584
585 my $dbmeta = db_get cache => "$id/meta";
586 if ($dbmeta ne $meta) {
587 # changed, we may need to process
588
589 my @data;
590 my $md5;
591
592 for (0 .. $#$src) {
593 0 <= aio_load $src->[$_], $data[$_]
594 or Carp::croak "$src->[$_]: $!";
595 }
596
597 # if processing is expensive, check
598 # checksum first
599 if (1) {
600 $md5 =
601 join "\x00",
602 $processversion,
603 map {
604 cf::cede_to_tick;
605 ($src->[$_], Digest::MD5::md5_hex $data[$_])
606 } 0.. $#$src;
607
608
609 my $dbmd5 = db_get cache => "$id/md5";
610 if ($dbmd5 eq $md5) {
611 db_put cache => "$id/meta", $meta;
612
613 return db_get cache => "$id/data";
614 }
615 }
616
617 my $t1 = Time::HiRes::time;
618 my $data = $process->(\@data);
619 my $t2 = Time::HiRes::time;
620
621 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
622
623 db_put cache => "$id/data", $data;
624 db_put cache => "$id/md5" , $md5;
625 db_put cache => "$id/meta", $meta;
626
627 return $data;
628 }
629
630 db_get cache => "$id/data"
631}
632
633=item cf::datalog type => key => value, ...
634
635Log a datalog packet of the given type with the given key-value pairs.
636
637=cut
638
639sub datalog($@) {
640 my ($type, %kv) = @_;
641 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382} 642}
383 643
384=back 644=back
385 645
386=cut 646=cut
393attach callbacks/event handlers (a collection of which is called an "attachment") 653attach callbacks/event handlers (a collection of which is called an "attachment")
394to it. All such attachable objects support the following methods. 654to it. All such attachable objects support the following methods.
395 655
396In the following description, CLASS can be any of C<global>, C<object> 656In the following description, CLASS can be any of C<global>, C<object>
397C<player>, C<client> or C<map> (i.e. the attachable objects in 657C<player>, C<client> or C<map> (i.e. the attachable objects in
398crossfire+). 658Crossfire TRT).
399 659
400=over 4 660=over 4
401 661
402=item $attachable->attach ($attachment, key => $value...) 662=item $attachable->attach ($attachment, key => $value...)
403 663
566 $registry = $CB_TYPE[$object_type] ||= []; 826 $registry = $CB_TYPE[$object_type] ||= [];
567 827
568 } elsif ($type eq "subtype") { 828 } elsif ($type eq "subtype") {
569 defined $object_type or Carp::croak "subtype specified without type"; 829 defined $object_type or Carp::croak "subtype specified without type";
570 my $object_subtype = shift @arg; 830 my $object_subtype = shift @arg;
571 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 831 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572 832
573 } elsif ($type eq "package") { 833 } elsif ($type eq "package") {
574 my $pkg = shift @arg; 834 my $pkg = shift @arg;
575 835
576 while (my ($name, $id) = each %cb_id) { 836 while (my ($name, $id) = each %cb_id) {
605 _attach $registry, $klass, @attach; 865 _attach $registry, $klass, @attach;
606 } 866 }
607 867
608 $obj->{$name} = \%arg; 868 $obj->{$name} = \%arg;
609 } else { 869 } else {
610 warn "object uses attachment '$name' that is not available, postponing.\n"; 870 warn "object uses attachment '$name' which is not available, postponing.\n";
611 } 871 }
612 872
613 $obj->{_attachment}{$name} = undef; 873 $obj->{_attachment}{$name} = undef;
614} 874}
615 875
617 if (ref $_[0]) { 877 if (ref $_[0]) {
618 _object_attach @_; 878 _object_attach @_;
619 } else { 879 } else {
620 _attach shift->_attach_registry, @_; 880 _attach shift->_attach_registry, @_;
621 } 881 }
882 _recalc_want;
622}; 883};
623 884
624# all those should be optimised 885# all those should be optimised
625sub cf::attachable::detach { 886sub cf::attachable::detach {
626 my ($obj, $name) = @_; 887 my ($obj, $name) = @_;
629 delete $obj->{_attachment}{$name}; 890 delete $obj->{_attachment}{$name};
630 reattach ($obj); 891 reattach ($obj);
631 } else { 892 } else {
632 Carp::croak "cannot, currently, detach class attachments"; 893 Carp::croak "cannot, currently, detach class attachments";
633 } 894 }
895 _recalc_want;
634}; 896};
635 897
636sub cf::attachable::attached { 898sub cf::attachable::attached {
637 my ($obj, $name) = @_; 899 my ($obj, $name) = @_;
638 900
653 "; 915 ";
654 die if $@; 916 die if $@;
655} 917}
656 918
657our $override; 919our $override;
658our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 920our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659 921
660sub override { 922sub override {
661 $override = 1; 923 $override = 1;
662 @invoke_results = (); 924 @INVOKE_RESULTS = (@_);
663} 925}
664 926
665sub do_invoke { 927sub do_invoke {
666 my $event = shift; 928 my $event = shift;
667 my $callbacks = shift; 929 my $callbacks = shift;
668 930
669 @invoke_results = (); 931 @INVOKE_RESULTS = ();
670 932
671 local $override; 933 local $override;
672 934
673 for (@$callbacks) { 935 for (@$callbacks) {
674 eval { &{$_->[1]} }; 936 eval { &{$_->[1]} };
691 953
692Generate an object-specific event with the given arguments. 954Generate an object-specific event with the given arguments.
693 955
694This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 956This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695removed in future versions), and there is no public API to access override 957removed in future versions), and there is no public API to access override
696results (if you must, access C<@cf::invoke_results> directly). 958results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697 959
698=back 960=back
699 961
700=cut 962=cut
701 963
702############################################################################# 964#############################################################################
703# object support 965# object support
966#
967
968sub _can_merge {
969 my ($ob1, $ob2) = @_;
970
971 local $Storable::canonical = 1;
972 my $fob1 = Storable::freeze $ob1;
973 my $fob2 = Storable::freeze $ob2;
974
975 $fob1 eq $fob2
976}
704 977
705sub reattach { 978sub reattach {
706 # basically do the same as instantiate, without calling instantiate 979 # basically do the same as instantiate, without calling instantiate
707 my ($obj) = @_; 980 my ($obj) = @_;
708 981
753); 1026);
754 1027
755sub object_freezer_save { 1028sub object_freezer_save {
756 my ($filename, $rdata, $objs) = @_; 1029 my ($filename, $rdata, $objs) = @_;
757 1030
1031 my $guard = cf::lock_acquire "io";
1032
758 sync_job { 1033 sync_job {
759 if (length $$rdata) { 1034 if (length $$rdata) {
1035 utf8::decode (my $decname = $filename);
760 warn sprintf "saving %s (%d,%d)\n", 1036 warn sprintf "saving %s (%d,%d)\n",
761 $filename, length $$rdata, scalar @$objs; 1037 $decname, length $$rdata, scalar @$objs;
762 1038
763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1039 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764 chmod SAVE_MODE, $fh; 1040 chmod SAVE_MODE, $fh;
765 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1041 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766 aio_fsync $fh if $cf::USE_FSYNC; 1042 aio_fsync $fh if $cf::USE_FSYNC;
785 } 1061 }
786 } else { 1062 } else {
787 aio_unlink $filename; 1063 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1064 aio_unlink "$filename.pst";
789 } 1065 }
790
791 #d##TODO# nuke non .map-files if exist
792 if ($filename =~ s/\.map$//) {
793 aio_unlink $filename;
794 aio_unlink "$filename.pst";
795 }
796 } 1066 };
1067
1068 undef $guard;
797} 1069}
798 1070
799sub object_freezer_as_string { 1071sub object_freezer_as_string {
800 my ($rdata, $objs) = @_; 1072 my ($rdata, $objs) = @_;
801 1073
807sub object_thawer_load { 1079sub object_thawer_load {
808 my ($filename) = @_; 1080 my ($filename) = @_;
809 1081
810 my ($data, $av); 1082 my ($data, $av);
811 1083
812 #d#TODO remove .map if file does not exist 1084 my $guard = cf::lock_acquire "io";
813 aio_stat $filename and $filename =~ s/\.map$//;
814 1085
815 (aio_load $filename, $data) >= 0 1086 (aio_load $filename, $data) >= 0
816 or return; 1087 or return;
817 1088
818 unless (aio_stat "$filename.pst") { 1089 unless (aio_stat "$filename.pst") {
819 (aio_load "$filename.pst", $av) >= 0 1090 (aio_load "$filename.pst", $av) >= 0
820 or return; 1091 or return;
1092
1093 undef $guard;
821 $av = eval { (Storable::thaw $av)->{objs} }; 1094 $av = eval { (Storable::thaw $av)->{objs} };
822 } 1095 }
823 1096
1097 utf8::decode (my $decname = $filename);
824 warn sprintf "loading %s (%d)\n", 1098 warn sprintf "loading %s (%d,%d)\n",
825 $filename, length $data, scalar @{$av || []};#d# 1099 $decname, length $data, scalar @{$av || []};
1100
826 return ($data, $av); 1101 ($data, $av)
827} 1102}
1103
1104=head2 COMMAND CALLBACKS
1105
1106=over 4
1107
1108=cut
828 1109
829############################################################################# 1110#############################################################################
830# command handling &c 1111# command handling &c
831 1112
832=item cf::register_command $name => \&callback($ob,$args); 1113=item cf::register_command $name => \&callback($ob,$args);
845 push @{ $COMMAND{$name} }, [$caller, $cb]; 1126 push @{ $COMMAND{$name} }, [$caller, $cb];
846} 1127}
847 1128
848=item cf::register_extcmd $name => \&callback($pl,$packet); 1129=item cf::register_extcmd $name => \&callback($pl,$packet);
849 1130
850Register 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.
851 1136
852If 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
853called. 1138called.
854 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
855=cut 1151=cut
856 1152
857sub register_extcmd { 1153sub register_extcmd {
858 my ($name, $cb) = @_; 1154 my ($name, $cb) = @_;
859 1155
860 $EXTCMD{$name} = $cb; 1156 $EXTCMD{$name} = $cb;
1157}
1158
1159sub register_exticmd {
1160 my ($name, $cb) = @_;
1161
1162 $EXTICMD{$name} = $cb;
861} 1163}
862 1164
863cf::player->attach ( 1165cf::player->attach (
864 on_command => sub { 1166 on_command => sub {
865 my ($pl, $name, $params) = @_; 1167 my ($pl, $name, $params) = @_;
874 cf::override; 1176 cf::override;
875 }, 1177 },
876 on_extcmd => sub { 1178 on_extcmd => sub {
877 my ($pl, $buf) = @_; 1179 my ($pl, $buf) = @_;
878 1180
879 my $msg = eval { from_json $buf }; 1181 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880 1182
881 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
882 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1191 if (my $cb = $EXTCMD{$type}) {
883 if (my %reply = $cb->($pl, $msg)) { 1192 @reply = $cb->($pl, @payload);
884 $pl->ext_reply ($msg->{msgid}, %reply);
885 }
886 } 1193 }
1194
1195 $pl->ext_reply ($reply, @reply)
1196 if $reply;
1197
887 } else { 1198 } else {
888 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1199 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889 } 1200 }
890 1201
891 cf::override; 1202 cf::override;
892 }, 1203 },
893); 1204);
894 1205
895sub load_extension {
896 my ($path) = @_;
897
898 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
899 my $base = $1;
900 my $pkg = $1;
901 $pkg =~ s/[^[:word:]]/_/g;
902 $pkg = "ext::$pkg";
903
904 warn "... loading '$path' into '$pkg'\n";
905
906 open my $fh, "<:utf8", $path
907 or die "$path: $!";
908
909 my $source =
910 "package $pkg; use strict; use utf8;\n"
911 . "#line 1 \"$path\"\n{\n"
912 . (do { local $/; <$fh> })
913 . "\n};\n1";
914
915 unless (eval $source) {
916 my $msg = $@ ? "$path: $@\n"
917 : "extension disabled.\n";
918 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919 warn $@;
920 warn "mandatory extension failed to load, exiting.\n";
921 exit 1;
922 }
923 die $@;
924 }
925
926 push @EXTS, $pkg;
927}
928
929sub load_extensions { 1206sub load_extensions {
1207 cf::sync_job {
1208 my %todo;
1209
930 for my $ext (<$LIBDIR/*.ext>) { 1210 for my $path (<$LIBDIR/*.ext>) {
931 next unless -r $ext; 1211 next unless -r $path;
932 eval { 1212
933 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;
934 1 1270 }
935 } or warn "$ext not loaded: $@"; 1271
1272 skip:
1273 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1274 unless $progress;
1275 }
936 } 1276 };
937} 1277}
938 1278
939############################################################################# 1279#############################################################################
940 1280
1281=back
1282
941=head2 CORE EXTENSIONS 1283=head2 CORE EXTENSIONS
942 1284
943Functions and methods that extend core crossfire objects. 1285Functions and methods that extend core crossfire objects.
944 1286
945=cut 1287=cut
950 1292
951=head3 cf::player 1293=head3 cf::player
952 1294
953=over 4 1295=over 4
954 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
955=item cf::player::find $login 1311=item cf::player::find $login
956 1312
957Returns the given player object, loading it if necessary (might block). 1313Returns the given player object, loading it if necessary (might block).
958 1314
959=cut 1315=cut
960 1316
961sub playerdir($) { 1317sub playerdir($) {
962 cf::localdir 1318 "$PLAYERDIR/"
963 . "/"
964 . cf::playerdir
965 . "/"
966 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1319 . (ref $_[0] ? $_[0]->ob->name : $_[0])
967} 1320}
968 1321
969sub path($) { 1322sub path($) {
970 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1323 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971 1324
972 (playerdir $login) . "/$login.pl" 1325 (playerdir $login) . "/playerdata"
973} 1326}
974 1327
975sub find_active($) { 1328sub find_active($) {
976 $cf::PLAYER{$_[0]} 1329 $cf::PLAYER{$_[0]}
977 and $cf::PLAYER{$_[0]}->active 1330 and $cf::PLAYER{$_[0]}->active
990 my $login = $_[0]; 1343 my $login = $_[0];
991 1344
992 my $guard = cf::lock_acquire "user_find:$login"; 1345 my $guard = cf::lock_acquire "user_find:$login";
993 1346
994 $cf::PLAYER{$_[0]} || do { 1347 $cf::PLAYER{$_[0]} || do {
995 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
996 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;
997 $cf::PLAYER{$login} = $pl 1362 $cf::PLAYER{$login} = $pl
998 } 1363 }
999 } 1364 }
1000} 1365}
1001 1366
1011 1376
1012 aio_mkdir playerdir $pl, 0770; 1377 aio_mkdir playerdir $pl, 0770;
1013 $pl->{last_save} = $cf::RUNTIME; 1378 $pl->{last_save} = $cf::RUNTIME;
1014 1379
1015 $pl->save_pl ($path); 1380 $pl->save_pl ($path);
1016 Coro::cede; 1381 cf::cede_to_tick;
1017} 1382}
1018 1383
1019sub new($) { 1384sub new($) {
1020 my ($login) = @_; 1385 my ($login) = @_;
1021 1386
1027 $cf::PLAYER{$login} = $self; 1392 $cf::PLAYER{$login} = $self;
1028 1393
1029 $self 1394 $self
1030} 1395}
1031 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
1032=item $pl->quit_character 1407=item $pl->quit_character
1033 1408
1034Nukes the player without looking back. If logged in, the connection will 1409Nukes the player without looking back. If logged in, the connection will
1035be destroyed. May block for a long time. 1410be destroyed. May block for a long time.
1036 1411
1037=cut 1412=cut
1038 1413
1039sub quit_character { 1414sub quit_character {
1040 my ($pl) = @_; 1415 my ($pl) = @_;
1416
1417 my $name = $pl->ob->name;
1041 1418
1042 $pl->{deny_save} = 1; 1419 $pl->{deny_save} = 1;
1043 $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
1044 1421
1045 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1422 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050 my $path = playerdir $pl; 1427 my $path = playerdir $pl;
1051 my $temp = "$path~$cf::RUNTIME~deleting~"; 1428 my $temp = "$path~$cf::RUNTIME~deleting~";
1052 aio_rename $path, $temp; 1429 aio_rename $path, $temp;
1053 delete $cf::PLAYER{$pl->ob->name}; 1430 delete $cf::PLAYER{$pl->ob->name};
1054 $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
1055 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;
1056} 1453}
1057 1454
1058=item cf::player::list_logins 1455=item cf::player::list_logins
1059 1456
1060Returns 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
1061while and may block, so not sync_job-capable, ever. 1458while and may block, so not sync_job-capable, ever.
1062 1459
1063=cut 1460=cut
1064 1461
1065sub list_logins { 1462sub list_logins {
1066 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1463 my $dirs = aio_readdir $PLAYERDIR
1067 or return []; 1464 or return [];
1068 1465
1069 my @logins; 1466 my @logins;
1070 1467
1071 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") {
1072 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1473 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073 aio_read $fh, 0, 512, my $buf, 0 or next; 1474 aio_read $fh, 0, 512, my $buf, 0 or next;
1074 $buf !~ /^password -------------$/m or next; # official not-valid tag 1475 $buf !~ /^password -------------$/m or next; # official not-valid tag
1476 }
1075 1477
1076 utf8::decode $login; 1478 utf8::decode $login;
1077 push @logins, $login; 1479 push @logins, $login;
1078 } 1480 }
1079 1481
1106 } 1508 }
1107 1509
1108 \@paths 1510 \@paths
1109} 1511}
1110 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
1111=item $player->ext_reply ($msgid, $msgtype, %msg) 1564=item $player->ext_reply ($msgid, @msg)
1112 1565
1113Sends an ext reply to the player. 1566Sends an ext reply to the player.
1114 1567
1115=cut 1568=cut
1116 1569
1117sub ext_reply($$$%) { 1570sub ext_reply($$@) {
1118 my ($self, $id, %msg) = @_; 1571 my ($self, $id, @msg) = @_;
1119 1572
1120 $msg{msgid} = $id; 1573 $self->ns->ext_reply ($id, @msg)
1121
1122 $self->send ("ext " . cf::to_json \%msg);
1123} 1574}
1124 1575
1125package cf; 1576=item $player->ext_msg ($type, @msg)
1577
1578Sends an ext event to the client.
1579
1580=cut
1581
1582sub ext_msg($$@) {
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 $match
1615}
1126 1616
1127=back 1617=back
1128
1129 1618
1130=head3 cf::map 1619=head3 cf::map
1131 1620
1132=over 4 1621=over 4
1133 1622
1188 my ($self, $merge) = @_; 1677 my ($self, $merge) = @_;
1189 1678
1190 # we have to keep some variables in memory intact 1679 # we have to keep some variables in memory intact
1191 local $self->{path}; 1680 local $self->{path};
1192 local $self->{load_path}; 1681 local $self->{load_path};
1193 local $self->{deny_save};
1194 local $self->{deny_reset};
1195 1682
1196 $self->SUPER::thawer_merge ($merge); 1683 $self->SUPER::thawer_merge ($merge);
1197} 1684}
1198 1685
1199sub normalise { 1686sub normalise {
1246 $self->init; # pass $1 etc. 1733 $self->init; # pass $1 etc.
1247 return $self; 1734 return $self;
1248 } 1735 }
1249 } 1736 }
1250 1737
1251 Carp::carp "unable to resolve path '$path' (base '$base')."; 1738 Carp::cluck "unable to resolve path '$path' (base '$base').";
1252 () 1739 ()
1253} 1740}
1254 1741
1255sub init { 1742sub init {
1256 my ($self) = @_; 1743 my ($self) = @_;
1271 1758
1272# the original (read-only) location 1759# the original (read-only) location
1273sub load_path { 1760sub load_path {
1274 my ($self) = @_; 1761 my ($self) = @_;
1275 1762
1276 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1763 "$MAPDIR/$self->{path}.map"
1277} 1764}
1278 1765
1279# the temporary/swap location 1766# the temporary/swap location
1280sub save_path { 1767sub save_path {
1281 my ($self) = @_; 1768 my ($self) = @_;
1282 1769
1283 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1770 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1771 "$TMPDIR/$path.map"
1285} 1772}
1286 1773
1287# the unique path, undef == no special unique path 1774# the unique path, undef == no special unique path
1288sub uniq_path { 1775sub uniq_path {
1289 my ($self) = @_; 1776 my ($self) = @_;
1290 1777
1291 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1778 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1779 "$UNIQUEDIR/$path"
1293} 1780}
1294 1781
1295# and all this just because we cannot iterate over 1782# and all this just because we cannot iterate over
1296# all maps in C++... 1783# all maps in C++...
1297sub change_all_map_light { 1784sub change_all_map_light {
1299 1786
1300 $_->change_map_light ($change) 1787 $_->change_map_light ($change)
1301 for grep $_->outdoor, values %cf::MAP; 1788 for grep $_->outdoor, values %cf::MAP;
1302} 1789}
1303 1790
1791sub decay_objects {
1792 my ($self) = @_;
1793
1794 return if $self->{deny_reset};
1795
1796 $self->do_decay_objects;
1797}
1798
1304sub unlink_save { 1799sub unlink_save {
1305 my ($self) = @_; 1800 my ($self) = @_;
1306 1801
1307 utf8::encode (my $save = $self->save_path); 1802 utf8::encode (my $save = $self->save_path);
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1803 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1804 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311 #d#TODO remove .map and also nuke
1312 $save =~ s/\.map// or return;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315} 1805}
1316 1806
1317sub load_header_from($) { 1807sub load_header_from($) {
1318 my ($self, $path) = @_; 1808 my ($self, $path) = @_;
1319 1809
1320 utf8::encode $path; 1810 utf8::encode $path;
1321 #aio_open $path, O_RDONLY, 0 1811 my $f = new_from_file cf::object::thawer $path
1322 # or return;
1323
1324 $self->_load_header ($path)
1325 or return; 1812 or return;
1813
1814 $self->_load_header ($f)
1815 or return;
1816
1817 local $MAP_LOADING{$self->{path}} = $self;
1818 $f->resolve_delayed_derefs;
1326 1819
1327 $self->{load_path} = $path; 1820 $self->{load_path} = $path;
1328 1821
1329 1 1822 1
1330} 1823}
1369 $self->load_header_orig 1862 $self->load_header_orig
1370 or return; 1863 or return;
1371 $self->prepare_orig; 1864 $self->prepare_orig;
1372 } 1865 }
1373 1866
1867 $self->{deny_reset} = 1
1868 if $self->no_reset;
1869
1870 $self->default_region (cf::region::find_by_path $self->{path})
1871 unless $self->default_region;
1872
1374 1 1873 1
1375} 1874}
1376 1875
1377sub find; 1876sub find;
1378sub find { 1877sub find {
1379 my ($path, $origin) = @_; 1878 my ($path, $origin) = @_;
1380 1879
1381 $path = normalise $path, $origin && $origin->path; 1880 $path = normalise $path, $origin && $origin->path;
1382 1881
1882 cf::lock_wait "map_data:$path";#d#remove
1383 cf::lock_wait "map_find:$path"; 1883 cf::lock_wait "map_find:$path";
1384 1884
1385 $cf::MAP{$path} || do { 1885 $cf::MAP{$path} || do {
1386 my $guard = cf::lock_acquire "map_find:$path"; 1886 my $guard1 = cf::lock_acquire "map_find:$path";
1887 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1387 my $map = new_from_path cf::map $path 1889 my $map = new_from_path cf::map $path
1388 or return; 1890 or return;
1389 1891
1390 $map->{last_save} = $cf::RUNTIME; 1892 $map->{last_save} = $cf::RUNTIME;
1391 1893
1392 $map->load_header 1894 $map->load_header
1393 or return; 1895 or return;
1394 1896
1395 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1897 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396 # doing this can freeze the server in a sync job, obviously 1898 # doing this can freeze the server in a sync job, obviously
1397 #$cf::WAIT_FOR_TICK->wait; 1899 #$cf::WAIT_FOR_TICK->wait;
1900 undef $guard1;
1901 undef $guard2;
1398 $map->reset; 1902 $map->reset;
1399 undef $guard;
1400 return find $path; 1903 return find $path;
1401 } 1904 }
1402 1905
1403 $cf::MAP{$path} = $map 1906 $cf::MAP{$path} = $map
1404 } 1907 }
1411 my ($self) = @_; 1914 my ($self) = @_;
1412 1915
1413 local $self->{deny_reset} = 1; # loading can take a long time 1916 local $self->{deny_reset} = 1; # loading can take a long time
1414 1917
1415 my $path = $self->{path}; 1918 my $path = $self->{path};
1919
1920 {
1416 my $guard = cf::lock_acquire "map_load:$path"; 1921 my $guard = cf::lock_acquire "map_data:$path";
1417 1922
1923 return unless $self->valid;
1418 return if $self->in_memory != cf::MAP_SWAPPED; 1924 return unless $self->in_memory == cf::MAP_SWAPPED;
1419 1925
1420 $self->in_memory (cf::MAP_LOADING); 1926 $self->in_memory (cf::MAP_LOADING);
1421 1927
1422 $self->alloc; 1928 $self->alloc;
1423 1929
1424 $self->pre_load; 1930 $self->pre_load;
1931 cf::cede_to_tick;
1425 1932
1426 $self->_load_objects ($self->{load_path}, 1) 1933 my $f = new_from_file cf::object::thawer $self->{load_path};
1934 $f->skip_block;
1935 $self->_load_objects ($f)
1427 or return; 1936 or return;
1428 1937
1429 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1938 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430 if delete $self->{load_original}; 1939 if delete $self->{load_original};
1431 1940
1432 if (my $uniq = $self->uniq_path) { 1941 if (my $uniq = $self->uniq_path) {
1433 utf8::encode $uniq; 1942 utf8::encode $uniq;
1434 if (aio_open $uniq, O_RDONLY, 0) { 1943 unless (aio_stat $uniq) {
1944 if (my $f = new_from_file cf::object::thawer $uniq) {
1435 $self->clear_unique_items; 1945 $self->clear_unique_items;
1436 $self->_load_objects ($uniq, 0); 1946 $self->_load_objects ($f);
1947 $f->resolve_delayed_derefs;
1948 }
1437 } 1949 }
1438 } 1950 }
1439 1951
1440 Coro::cede; 1952 $f->resolve_delayed_derefs;
1441 1953
1954 cf::cede_to_tick;
1442 # now do the right thing for maps 1955 # now do the right thing for maps
1443 $self->link_multipart_objects; 1956 $self->link_multipart_objects;
1444
1445 unless ($self->{deny_activate}) {
1446 $self->decay_objects;
1447 $self->fix_auto_apply;
1448 $self->update_buttons;
1449 Coro::cede;
1450 $self->set_darkness_map;
1451 $self->difficulty ($self->estimate_difficulty) 1957 $self->difficulty ($self->estimate_difficulty)
1452 unless $self->difficulty; 1958 unless $self->difficulty;
1453 Coro::cede; 1959 cf::cede_to_tick;
1960
1961 unless ($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;
1454 $self->activate; 1968 $self->activate;
1969 }
1970
1971 $self->{last_save} = $cf::RUNTIME;
1972 $self->last_access ($cf::RUNTIME);
1973
1974 $self->in_memory (cf::MAP_IN_MEMORY);
1455 } 1975 }
1456 1976
1457 $self->post_load; 1977 $self->post_load;
1458
1459 $self->in_memory (cf::MAP_IN_MEMORY);
1460} 1978}
1461 1979
1462sub customise_for { 1980sub customise_for {
1463 my ($self, $ob) = @_; 1981 my ($self, $ob) = @_;
1464 1982
1465 return find "~" . $ob->name . "/" . $self->{path} 1983 return find "~" . $ob->name . "/" . $self->{path}
1466 if $self->per_player; 1984 if $self->per_player;
1467 1985
1986# return find "?party/" . $ob->name . "/" . $self->{path}
1987# if $self->per_party;
1988
1468 $self 1989 $self
1469} 1990}
1470 1991
1471# find and load all maps in the 3x3 area around a map 1992# find and load all maps in the 3x3 area around a map
1472sub load_diag { 1993sub load_neighbours {
1473 my ($map) = @_; 1994 my ($map) = @_;
1474 1995
1475 my @diag; # diagonal neighbours 1996 my @neigh; # diagonal neighbours
1476 1997
1477 for (0 .. 3) { 1998 for (0 .. 3) {
1478 my $neigh = $map->tile_path ($_) 1999 my $neigh = $map->tile_path ($_)
1479 or next; 2000 or next;
1480 $neigh = find $neigh, $map 2001 $neigh = find $neigh, $map
1481 or next; 2002 or next;
1482 $neigh->load; 2003 $neigh->load;
1483 2004
2005 push @neigh,
1484 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2006 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2007 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1486 } 2008 }
1487 2009
1488 for (@diag) { 2010 for (grep defined $_->[0], @neigh) {
2011 my ($path, $origin) = @$_;
1489 my $neigh = find @$_ 2012 my $neigh = find $path, $origin
1490 or next; 2013 or next;
1491 $neigh->load; 2014 $neigh->load;
1492 } 2015 }
1493} 2016}
1494 2017
1499} 2022}
1500 2023
1501sub do_load_sync { 2024sub do_load_sync {
1502 my ($map) = @_; 2025 my ($map) = @_;
1503 2026
2027 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2028 if $Coro::current == $Coro::main;
2029
1504 cf::sync_job { $map->load }; 2030 cf::sync_job { $map->load };
1505} 2031}
1506 2032
1507our %MAP_PREFETCH; 2033our %MAP_PREFETCH;
1508our $MAP_PREFETCHER = undef; 2034our $MAP_PREFETCHER = undef;
1509 2035
1510sub find_async { 2036sub find_async {
1511 my ($path, $origin) = @_; 2037 my ($path, $origin, $load) = @_;
1512 2038
1513 $path = normalise $path, $origin && $origin->{path}; 2039 $path = normalise $path, $origin && $origin->{path};
1514 2040
1515 if (my $map = $cf::MAP{$path}) { 2041 if (my $map = $cf::MAP{$path}) {
1516 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2042 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1517 } 2043 }
1518 2044
1519 undef $MAP_PREFETCH{$path}; 2045 $MAP_PREFETCH{$path} |= $load;
2046
1520 $MAP_PREFETCHER ||= cf::async { 2047 $MAP_PREFETCHER ||= cf::async {
1521 while (%MAP_PREFETCH) { 2048 while (%MAP_PREFETCH) {
1522 for my $path (keys %MAP_PREFETCH) { 2049 while (my ($k, $v) = each %MAP_PREFETCH) {
1523 my $map = find $path 2050 if (my $map = find $k) {
1524 or next;
1525 $map->load; 2051 $map->load if $v;
2052 }
1526 2053
1527 delete $MAP_PREFETCH{$path}; 2054 delete $MAP_PREFETCH{$k};
1528 } 2055 }
1529 } 2056 }
1530 undef $MAP_PREFETCHER; 2057 undef $MAP_PREFETCHER;
1531 }; 2058 };
1532 $MAP_PREFETCHER->prio (6); 2059 $MAP_PREFETCHER->prio (6);
1535} 2062}
1536 2063
1537sub save { 2064sub save {
1538 my ($self) = @_; 2065 my ($self) = @_;
1539 2066
1540 my $lock = cf::lock_acquire "map_data:" . $self->path; 2067 my $lock = cf::lock_acquire "map_data:$self->{path}";
1541 2068
1542 $self->{last_save} = $cf::RUNTIME; 2069 $self->{last_save} = $cf::RUNTIME;
1543 2070
1544 return unless $self->dirty; 2071 return unless $self->dirty;
1545 2072
1568 my ($self) = @_; 2095 my ($self) = @_;
1569 2096
1570 # save first because save cedes 2097 # save first because save cedes
1571 $self->save; 2098 $self->save;
1572 2099
1573 my $lock = cf::lock_acquire "map_data:" . $self->path; 2100 my $lock = cf::lock_acquire "map_data:$self->{path}";
1574 2101
1575 return if $self->players; 2102 return if $self->players;
1576 return if $self->in_memory != cf::MAP_IN_MEMORY; 2103 return if $self->in_memory != cf::MAP_IN_MEMORY;
1577 return if $self->{deny_save}; 2104 return if $self->{deny_save};
1578 2105
2106 $self->in_memory (cf::MAP_SWAPPED);
2107
2108 $self->deactivate;
2109 $_->clear_links_to ($self) for values %cf::MAP;
1579 $self->clear; 2110 $self->clear;
1580 $self->in_memory (cf::MAP_SWAPPED);
1581} 2111}
1582 2112
1583sub reset_at { 2113sub reset_at {
1584 my ($self) = @_; 2114 my ($self) = @_;
1585 2115
1586 # TODO: safety, remove and allow resettable per-player maps 2116 # TODO: safety, remove and allow resettable per-player maps
1587 return 1e99 if $self->isa ("ext::map_per_player");#d#
1588 return 1e99 if $self->{deny_reset}; 2117 return 1e99 if $self->{deny_reset};
1589 2118
1590 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2119 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2120 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592 2121
1603 my ($self) = @_; 2132 my ($self) = @_;
1604 2133
1605 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2134 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2135
1607 return if $self->players; 2136 return if $self->players;
1608 return if $self->isa ("ext::map_per_player");#d#
1609 2137
1610 warn "resetting map ", $self->path;#d# 2138 warn "resetting map ", $self->path;
1611 2139
1612 $self->in_memory (cf::MAP_SWAPPED); 2140 $self->in_memory (cf::MAP_SWAPPED);
1613 2141
1614 # need to save uniques path 2142 # need to save uniques path
1615 unless ($self->{deny_save}) { 2143 unless ($self->{deny_save}) {
1619 if $uniq; 2147 if $uniq;
1620 } 2148 }
1621 2149
1622 delete $cf::MAP{$self->path}; 2150 delete $cf::MAP{$self->path};
1623 2151
2152 $self->deactivate;
2153 $_->clear_links_to ($self) for values %cf::MAP;
1624 $self->clear; 2154 $self->clear;
1625
1626 $_->clear_links_to ($self) for values %cf::MAP;
1627 2155
1628 $self->unlink_save; 2156 $self->unlink_save;
1629 $self->destroy; 2157 $self->destroy;
1630} 2158}
1631 2159
1632my $nuke_counter = "aaaa"; 2160my $nuke_counter = "aaaa";
1633 2161
1634sub nuke { 2162sub nuke {
1635 my ($self) = @_; 2163 my ($self) = @_;
1636 2164
2165 {
2166 my $lock = cf::lock_acquire "map_data:$self->{path}";
2167
1637 delete $cf::MAP{$self->path}; 2168 delete $cf::MAP{$self->path};
1638 2169
1639 $self->unlink_save; 2170 $self->unlink_save;
1640 2171
1641 bless $self, "cf::map"; 2172 bless $self, "cf::map";
1642 delete $self->{deny_reset}; 2173 delete $self->{deny_reset};
1643 $self->{deny_save} = 1; 2174 $self->{deny_save} = 1;
1644 $self->reset_timeout (1); 2175 $self->reset_timeout (1);
1645 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2176 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646 2177
1647 $cf::MAP{$self->path} = $self; 2178 $cf::MAP{$self->path} = $self;
2179 }
1648 2180
1649 $self->reset; # polite request, might not happen 2181 $self->reset; # polite request, might not happen
2182}
2183
2184=item $maps = cf::map::tmp_maps
2185
2186Returns an arrayref with all map paths of currently instantiated and saved
2187maps. May block.
2188
2189=cut
2190
2191sub tmp_maps() {
2192 [
2193 map {
2194 utf8::decode $_;
2195 /\.map$/
2196 ? normalise $_
2197 : ()
2198 } @{ aio_readdir $TMPDIR or [] }
2199 ]
2200}
2201
2202=item $maps = cf::map::random_maps
2203
2204Returns an arrayref with all map paths of currently instantiated and saved
2205random maps. May block.
2206
2207=cut
2208
2209sub random_maps() {
2210 [
2211 map {
2212 utf8::decode $_;
2213 /\.map$/
2214 ? normalise "?random/$_"
2215 : ()
2216 } @{ aio_readdir $RANDOMDIR or [] }
2217 ]
1650} 2218}
1651 2219
1652=item cf::map::unique_maps 2220=item cf::map::unique_maps
1653 2221
1654Returns an arrayref of paths of all shared maps that have 2222Returns an arrayref of paths of all shared maps that have
1655instantiated unique items. May block. 2223instantiated unique items. May block.
1656 2224
1657=cut 2225=cut
1658 2226
1659sub unique_maps() { 2227sub unique_maps() {
1660 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2228 [
1661 or return; 2229 map {
1662
1663 my @paths;
1664
1665 for (@$files) {
1666 utf8::decode $_; 2230 utf8::decode $_;
1667 next if /\.pst$/; 2231 /\.map$/
1668 next unless /^$PATH_SEP/o; 2232 ? normalise $_
1669 2233 : ()
1670 push @paths, cf::map::normalise $_; 2234 } @{ aio_readdir $UNIQUEDIR or [] }
1671 } 2235 ]
1672
1673 \@paths
1674} 2236}
1675 2237
1676package cf; 2238package cf;
1677 2239
1678=back 2240=back
1696 map { $_, inv_recursive_ $_->inv } @_ 2258 map { $_, inv_recursive_ $_->inv } @_
1697} 2259}
1698 2260
1699sub inv_recursive { 2261sub inv_recursive {
1700 inv_recursive_ inv $_[0] 2262 inv_recursive_ inv $_[0]
2263}
2264
2265=item $ref = $ob->ref
2266
2267creates and returns a persistent reference to an objetc that can be stored as a string.
2268
2269=item $ob = cf::object::deref ($refstring)
2270
2271returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272even if the object actually exists. May block.
2273
2274=cut
2275
2276sub deref {
2277 my ($ref) = @_;
2278
2279 # temporary compatibility#TODO#remove
2280 $ref =~ s{^<}{player/<};
2281
2282 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2283 my ($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 }
1701} 2294}
1702 2295
1703package cf; 2296package cf;
1704 2297
1705=back 2298=back
1724 2317
1725 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2318 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726 2319
1727 if ($self->{record_replies}) { 2320 if ($self->{record_replies}) {
1728 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2321 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2322
1729 } 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 {
1730 $msg = $npc->name . " says: $msg" if $npc; 2331 $msg = $npc->name . " says: $msg" if $npc;
1731 $self->message ($msg, $flags); 2332 $self->message ($msg, $flags);
2333 }
1732 } 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 (@_);
1733} 2345}
1734 2346
1735=item $player_object->may ("access") 2347=item $player_object->may ("access")
1736 2348
1737Returns wether the given player is authorized to access resource "access" 2349Returns wether the given player is authorized to access resource "access"
1784 $self->deactivate_recursive; 2396 $self->deactivate_recursive;
1785 2397
1786 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2398 return if UNIVERSAL::isa $self->map, "ext::map_link";
1787 2399
1788 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2400 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789 if $self->map; 2401 if $self->map && $self->map->{path} ne "{link}";
1790 2402
1791 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2403 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1792} 2404}
1793 2405
1794sub cf::object::player::leave_link { 2406sub cf::object::player::leave_link {
1795 my ($self, $map, $x, $y) = @_; 2407 my ($self, $map, $x, $y) = @_;
2408
2409 return unless $self->contr->active;
1796 2410
1797 my $link_pos = delete $self->{_link_pos}; 2411 my $link_pos = delete $self->{_link_pos};
1798 2412
1799 unless ($map) { 2413 unless ($map) {
1800 # restore original map position 2414 # restore original map position
1814 # use -1 or undef as default coordinates, not 0, 0 2428 # use -1 or undef as default coordinates, not 0, 0
1815 ($x, $y) = ($map->enter_x, $map->enter_y) 2429 ($x, $y) = ($map->enter_x, $map->enter_y)
1816 if $x <=0 && $y <= 0; 2430 if $x <=0 && $y <= 0;
1817 2431
1818 $map->load; 2432 $map->load;
1819 $map->load_diag; 2433 $map->load_neighbours;
1820 2434
1821 return unless $self->contr->active; 2435 return unless $self->contr->active;
1822 $self->activate_recursive; 2436 $self->activate_recursive;
1823 2437
1824 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2438 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825 $self->enter_map ($map, $x, $y); 2439 $self->enter_map ($map, $x, $y);
1826} 2440}
1827 2441
1828cf::player->attach ( 2442=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829 on_logout => sub {
1830 my ($pl) = @_;
1831 2443
1832 # abort map switching before logout 2444Moves the player to the given map-path and coordinates by first freezing
1833 if ($pl->ob->{_link_pos}) { 2445her, loading and preparing them map, calling the provided $check callback
1834 cf::sync_job { 2446that has to return the map if sucecssful, and then unfreezes the player on
1835 $pl->ob->leave_link 2447the new (success) or old (failed) map position. In either case, $done will
1836 }; 2448be called at the end of this process.
1837 }
1838 },
1839 on_login => sub {
1840 my ($pl) = @_;
1841 2449
1842 # try to abort aborted map switching on player login :)
1843 # should happen only on crashes
1844 if ($pl->ob->{_link_pos}) {
1845 $pl->ob->enter_link;
1846 (async {
1847 $pl->ob->reply (undef,
1848 "There was an internal problem at your last logout, "
1849 . "the server will try to bring you to your intended destination in a second.",
1850 cf::NDI_RED);
1851 # we need this sleep as the login has a concurrent enter_exit running
1852 # and this sleep increases chances of the player not ending up in scorn
1853 Coro::Timer::sleep 1;
1854 $pl->ob->leave_link;
1855 })->prio (2);
1856 }
1857 },
1858);
1859
1860=item $player_object->goto ($path, $x, $y)
1861
1862=cut 2450=cut
2451
2452our $GOTOGEN;
1863 2453
1864sub cf::object::player::goto { 2454sub cf::object::player::goto {
1865 my ($self, $path, $x, $y) = @_; 2455 my ($self, $path, $x, $y, $check, $done) = @_;
2456
2457 # do generation counting so two concurrent goto's will be executed in-order
2458 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866 2459
1867 $self->enter_link; 2460 $self->enter_link;
1868 2461
1869 (async { 2462 (async {
2463 # *tag paths override both path and x|y
2464 if ($path =~ /^\*(.*)$/) {
2465 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466 my $ob = $obs[rand @obs];
2467
2468 # see if we actually can go there
2469 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470 $ob = $obs[rand @obs];
2471 } else {
2472 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2473 }
2474 # else put us there anyways for now #d#
2475
2476 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2477 } else {
2478 ($path, $x, $y) = (undef, undef, undef);
2479 }
2480 }
2481
1870 my $map = eval { 2482 my $map = eval {
1871 my $map = cf::map::find $path; 2483 my $map = defined $path ? cf::map::find $path : undef;
2484
2485 if ($map) {
1872 $map = $map->customise_for ($self) if $map; 2486 $map = $map->customise_for ($self);
2487 $map = $check->($map) if $check && $map;
2488 } else {
2489 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2490 }
2491
1873 $map 2492 $map
2493 };
2494
2495 if ($@) {
2496 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2497 LOG llevError | logBacktrace, Carp::longmess $@;
1874 } or 2498 }
1875 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876 2499
2500 if ($gen == $self->{_goto_generation}) {
2501 delete $self->{_goto_generation};
1877 $self->leave_link ($map, $x, $y); 2502 $self->leave_link ($map, $x, $y);
2503 }
2504
2505 $done->() if $done;
1878 })->prio (1); 2506 })->prio (1);
1879} 2507}
1880 2508
1881=item $player_object->enter_exit ($exit_object) 2509=item $player_object->enter_exit ($exit_object)
1882 2510
1921 2549
1922 $rmp->{random_seed} ||= $exit->random_seed; 2550 $rmp->{random_seed} ||= $exit->random_seed;
1923 2551
1924 my $data = cf::to_json $rmp; 2552 my $data = cf::to_json $rmp;
1925 my $md5 = Digest::MD5::md5_hex $data; 2553 my $md5 = Digest::MD5::md5_hex $data;
1926 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2554 my $meta = "$RANDOMDIR/$md5.meta";
1927 2555
1928 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2556 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929 aio_write $fh, 0, (length $data), $data, 0; 2557 aio_write $fh, 0, (length $data), $data, 0;
1930 undef $fh; 2558 undef $fh;
1931 aio_rename "$meta~", $meta; 2559 aio_rename "$meta~", $meta;
1940 2568
1941 return unless $self->type == cf::PLAYER; 2569 return unless $self->type == cf::PLAYER;
1942 2570
1943 if ($exit->slaying eq "/!") { 2571 if ($exit->slaying eq "/!") {
1944 #TODO: this should de-fi-ni-te-ly not be a sync-job 2572 #TODO: this should de-fi-ni-te-ly not be a sync-job
2573 # the problem is that $exit might not survive long enough
2574 # so it needs to be done right now, right here
1945 cf::sync_job { prepare_random_map $exit }; 2575 cf::sync_job { prepare_random_map $exit };
1946 } 2576 }
1947 2577
1948 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2578 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949 my $hp = $exit->stats->hp; 2579 my $hp = $exit->stats->hp;
1950 my $sp = $exit->stats->sp; 2580 my $sp = $exit->stats->sp;
1951 2581
1952 $self->enter_link; 2582 $self->enter_link;
2583
2584 # if exit is damned, update players death & WoR home-position
2585 $self->contr->savebed ($slaying, $hp, $sp)
2586 if $exit->flag (FLAG_DAMNED);
1953 2587
1954 (async { 2588 (async {
1955 $self->deactivate_recursive; # just to be sure 2589 $self->deactivate_recursive; # just to be sure
1956 unless (eval { 2590 unless (eval {
1957 $self->goto ($slaying, $hp, $sp); 2591 $self->goto ($slaying, $hp, $sp);
1958 2592
1959 1; 2593 1;
1960 }) { 2594 }) {
1961 $self->message ("Something went wrong deep within the crossfire server. " 2595 $self->message ("Something went wrong deep within the crossfire server. "
1962 . "I'll try to bring you back to the map you were before. " 2596 . "I'll try to bring you back to the map you were before. "
1963 . "Please report this to the dungeon master!", 2597 . "Please report this to the dungeon master!",
1964 cf::NDI_UNIQUE | cf::NDI_RED); 2598 cf::NDI_UNIQUE | cf::NDI_RED);
1965 2599
1966 warn "ERROR in enter_exit: $@"; 2600 warn "ERROR in enter_exit: $@";
1967 $self->leave_link; 2601 $self->leave_link;
1968 } 2602 }
1969 })->prio (1); 2603 })->prio (1);
1982 2616
1983sub cf::client::send_drawinfo { 2617sub cf::client::send_drawinfo {
1984 my ($self, $text, $flags) = @_; 2618 my ($self, $text, $flags) = @_;
1985 2619
1986 utf8::encode $text; 2620 utf8::encode $text;
1987 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2621 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988} 2622}
1989 2623
2624=item $client->send_msg ($channel, $msg, $color, [extra...])
2625
2626Send a drawinfo or msg packet to the client, formatting the msg for the
2627client if neccessary. C<$type> should be a string identifying the type of
2628the message, with C<log> being the default. If C<$color> is negative, suppress
2629the message unless the client supports the msg packet.
2630
2631=cut
2632
2633our %CHANNEL = (
2634 "c/identify" => {
2635 id => "identify",
2636 title => "Identify",
2637 reply => undef,
2638 tooltip => "Items recently identified",
2639 },
2640 "c/examine" => {
2641 id => "examine",
2642 title => "Examine",
2643 reply => undef,
2644 tooltip => "Signs and other items you examined",
2645 },
2646);
2647
2648sub cf::client::send_msg {
2649 my ($self, $channel, $msg, $color, @extra) = @_;
2650
2651 $msg = $self->pl->expand_cfpod ($msg);
2652
2653 $color &= cf::NDI_CLIENT_MASK; # just in case...
2654
2655 # check predefined channels, for the benefit of C
2656 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2657
2658 if (ref $channel) {
2659 # send meta info to client, if not yet sent
2660 unless (exists $self->{channel}{$channel->{id}}) {
2661 $self->{channel}{$channel->{id}} = $channel;
2662 $self->ext_msg (channel_info => $channel)
2663 if $self->can_msg;
2664 }
2665
2666 $channel = $channel->{id};
2667 }
2668
2669 return unless @extra || length $msg;
2670
2671 if ($self->can_msg) {
2672 # default colour, mask it out
2673 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2674 if $color & cf::NDI_DEF;
2675
2676 $self->send_packet ("msg " . $self->{json_coder}->encode (
2677 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2678 } else {
2679 if ($color >= 0) {
2680 # replace some tags by gcfclient-compatible ones
2681 for ($msg) {
2682 1 while
2683 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2684 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2685 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2686 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2687 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2688 }
2689
2690 $color &= cf::NDI_COLOR_MASK;
2691
2692 utf8::encode $msg;
2693
2694 if (0 && $msg =~ /\[/) {
2695 # COMMAND/INFO
2696 $self->send_packet ("drawextinfo $color 10 8 $msg")
2697 } else {
2698 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2699 $self->send_packet ("drawinfo $color $msg")
2700 }
2701 }
2702 }
2703}
2704
2705=item $client->ext_msg ($type, @msg)
2706
2707Sends an ext event to the client.
2708
2709=cut
2710
2711sub cf::client::ext_msg($$@) {
2712 my ($self, $type, @msg) = @_;
2713
2714 if ($self->extcmd == 2) {
2715 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2716 } elsif ($self->extcmd == 1) { # TODO: remove
2717 push @msg, msgtype => "event_$type";
2718 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2719 }
2720}
2721
2722=item $client->ext_reply ($msgid, @msg)
2723
2724Sends an ext reply to the client.
2725
2726=cut
2727
2728sub cf::client::ext_reply($$@) {
2729 my ($self, $id, @msg) = @_;
2730
2731 if ($self->extcmd == 2) {
2732 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2733 } elsif ($self->extcmd == 1) {
2734 #TODO: version 1, remove
2735 unshift @msg, msgtype => "reply", msgid => $id;
2736 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2737 }
2738}
1990 2739
1991=item $success = $client->query ($flags, "text", \&cb) 2740=item $success = $client->query ($flags, "text", \&cb)
1992 2741
1993Queues a query to the client, calling the given callback with 2742Queues a query to the client, calling the given callback with
1994the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2743the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2744C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996 2745
1997Queries can fail, so check the return code. Or don't, as queries will become 2746Queries can fail, so check the return code. Or don't, as queries will
1998reliable at some point in the future. 2747become reliable at some point in the future.
1999 2748
2000=cut 2749=cut
2001 2750
2002sub cf::client::query { 2751sub cf::client::query {
2003 my ($self, $flags, $text, $cb) = @_; 2752 my ($self, $flags, $text, $cb) = @_;
2011 utf8::encode $text; 2760 utf8::encode $text;
2012 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2761 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013 2762
2014 $self->send_packet ($self->{query_queue}[0][0]) 2763 $self->send_packet ($self->{query_queue}[0][0])
2015 if @{ $self->{query_queue} } == 1; 2764 if @{ $self->{query_queue} } == 1;
2765
2766 1
2016} 2767}
2017 2768
2018cf::client->attach ( 2769cf::client->attach (
2770 on_connect => sub {
2771 my ($ns) = @_;
2772
2773 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2774 },
2019 on_reply => sub { 2775 on_reply => sub {
2020 my ($ns, $msg) = @_; 2776 my ($ns, $msg) = @_;
2021 2777
2022 # this weird shuffling is so that direct followup queries 2778 # this weird shuffling is so that direct followup queries
2023 # get handled first 2779 # get handled first
2035 } else { 2791 } else {
2036 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2792 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037 } 2793 }
2038 } 2794 }
2039 }, 2795 },
2796 on_exticmd => sub {
2797 my ($ns, $buf) = @_;
2798
2799 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2800
2801 if (ref $msg) {
2802 my ($type, $reply, @payload) =
2803 "ARRAY" eq ref $msg
2804 ? @$msg
2805 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2806
2807 my @reply;
2808
2809 if (my $cb = $EXTICMD{$type}) {
2810 @reply = $cb->($ns, @payload);
2811 }
2812
2813 $ns->ext_reply ($reply, @reply)
2814 if $reply;
2815
2816 } else {
2817 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2818 }
2819
2820 cf::override;
2821 },
2040); 2822);
2041 2823
2042=item $client->async (\&cb) 2824=item $client->async (\&cb)
2043 2825
2044Create a new coroutine, running the specified callback. The coroutine will 2826Create a new coroutine, running the specified callback. The coroutine will
2085our $safe = new Safe "safe"; 2867our $safe = new Safe "safe";
2086our $safe_hole = new Safe::Hole; 2868our $safe_hole = new Safe::Hole;
2087 2869
2088$SIG{FPE} = 'IGNORE'; 2870$SIG{FPE} = 'IGNORE';
2089 2871
2090$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2872$safe->permit_only (Opcode::opset qw(
2873 :base_core :base_mem :base_orig :base_math
2874 grepstart grepwhile mapstart mapwhile
2875 sort time
2876));
2091 2877
2092# here we export the classes and methods available to script code 2878# here we export the classes and methods available to script code
2093 2879
2094=pod 2880=pod
2095 2881
2096The following fucntions and emthods are available within a safe environment: 2882The following functions and methods are available within a safe environment:
2097 2883
2098 cf::object contr pay_amount pay_player map 2884 cf::object
2885 contr pay_amount pay_player map x y force_find force_add
2886 insert remove name archname title slaying race decrease_ob_nr
2887
2099 cf::object::player player 2888 cf::object::player
2100 cf::player peaceful 2889 player
2101 cf::map trigger 2890
2891 cf::player
2892 peaceful
2893
2894 cf::map
2895 trigger
2102 2896
2103=cut 2897=cut
2104 2898
2105for ( 2899for (
2106 ["cf::object" => qw(contr pay_amount pay_player map)], 2900 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2901 insert remove inv name archname title slaying race
2902 decrease_ob_nr)],
2107 ["cf::object::player" => qw(player)], 2903 ["cf::object::player" => qw(player)],
2108 ["cf::player" => qw(peaceful)], 2904 ["cf::player" => qw(peaceful)],
2109 ["cf::map" => qw(trigger)], 2905 ["cf::map" => qw(trigger)],
2110) { 2906) {
2111 no strict 'refs'; 2907 no strict 'refs';
2182=back 2978=back
2183 2979
2184=cut 2980=cut
2185 2981
2186############################################################################# 2982#############################################################################
2187
2188=head2 EXTENSION DATABASE SUPPORT
2189
2190Crossfire maintains a very simple database for extension use. It can
2191currently store anything that can be serialised using Storable, which
2192excludes objects.
2193
2194The parameter C<$family> should best start with the name of the extension
2195using it, it should be unique.
2196
2197=over 4
2198
2199=item $value = cf::db_get $family => $key
2200
2201Returns a single value from the database.
2202
2203=item cf::db_put $family => $key => $value
2204
2205Stores the given C<$value> in the family.
2206
2207=cut
2208
2209our $DB;
2210
2211sub db_init {
2212 unless ($DB) {
2213 $DB = BDB::db_create $DB_ENV;
2214
2215 cf::sync_job {
2216 eval {
2217 $DB->set_flags (BDB::CHKSUM);
2218
2219 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221 cf::cleanup "db_open(db): $!" if $!;
2222 };
2223 cf::cleanup "db_open(db): $@" if $@;
2224 };
2225
2226 my $path = cf::localdir . "/database.pst";
2227 if (stat $path) {
2228 cf::sync_job {
2229 my $pst = Storable::retrieve $path;
2230
2231 cf::db_put (board => data => $pst->{board});
2232 cf::db_put (guildrules => data => $pst->{guildrules});
2233 cf::db_put (rent => balance => $pst->{rent}{balance});
2234 BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236 unlink $path;
2237 };
2238 }
2239 }
2240}
2241
2242sub db_get($$) {
2243 my $key = "$_[0]/$_[1]";
2244
2245 cf::sync_job {
2246 BDB::db_get $DB, undef, $key, my $data;
2247
2248 $! ? ()
2249 : Compress::LZF::sthaw $data
2250 }
2251}
2252
2253sub db_put($$$) {
2254 BDB::dbreq_pri 4;
2255 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256}
2257
2258#############################################################################
2259# the server's init and main functions 2983# the server's init and main functions
2260 2984
2261sub load_resources { 2985sub load_facedata($) {
2262 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2986 my ($path) = @_;
2987
2988 # HACK to clear player env face cache, we need some signal framework
2989 # for this (global event?)
2990 %ext::player_env::MUSIC_FACE_CACHE = ();
2991
2992 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2993
2994 warn "loading facedata from $path\n";
2995
2996 my $facedata;
2997 0 < aio_load $path, $facedata
2998 or die "$path: $!";
2999
3000 $facedata = Coro::Storable::thaw $facedata;
3001
3002 $facedata->{version} == 2
3003 or cf::cleanup "$path: version mismatch, cannot proceed.";
3004
3005 # patch in the exptable
3006 $facedata->{resource}{"res/exp_table"} = {
3007 type => FT_RSRC,
3008 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3009 };
3010 cf::cede_to_tick;
3011
3012 {
3013 my $faces = $facedata->{faceinfo};
3014
3015 while (my ($face, $info) = each %$faces) {
3016 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3017 cf::face::set_visibility $idx, $info->{visibility};
3018 cf::face::set_magicmap $idx, $info->{magicmap};
3019 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3020 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3021
3022 cf::cede_to_tick;
3023 }
3024
3025 while (my ($face, $info) = each %$faces) {
3026 next unless $info->{smooth};
3027 my $idx = cf::face::find $face
3028 or next;
3029 if (my $smooth = cf::face::find $info->{smooth}) {
3030 cf::face::set_smooth $idx, $smooth;
3031 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3032 } else {
3033 warn "smooth face '$info->{smooth}' not found for face '$face'";
3034 }
3035
3036 cf::cede_to_tick;
3037 }
3038 }
3039
3040 {
3041 my $anims = $facedata->{animinfo};
3042
3043 while (my ($anim, $info) = each %$anims) {
3044 cf::anim::set $anim, $info->{frames}, $info->{facings};
3045 cf::cede_to_tick;
3046 }
3047
3048 cf::anim::invalidate_all; # d'oh
3049 }
3050
3051 {
3052 # TODO: for gcfclient pleasure, we should give resources
3053 # that gcfclient doesn't grok a >10000 face index.
3054 my $res = $facedata->{resource};
3055
3056 my $soundconf = delete $res->{"res/sound.conf"};
3057
3058 while (my ($name, $info) = each %$res) {
3059 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3060 my $data;
3061
3062 if ($info->{type} & 1) {
3063 # prepend meta info
3064
3065 my $meta = $enc->encode ({
3066 name => $name,
3067 %{ $info->{meta} || {} },
3068 });
3069
3070 $data = pack "(w/a*)*", $meta, $info->{data};
3071 } else {
3072 $data = $info->{data};
3073 }
3074
3075 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3076 cf::face::set_type $idx, $info->{type};
3077
3078 cf::cede_to_tick;
3079 }
3080
3081 if ($soundconf) {
3082 $soundconf = $enc->decode (delete $soundconf->{data});
3083
3084 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3085 my $sound = $soundconf->{compat}[$_]
3086 or next;
3087
3088 my $face = cf::face::find "sound/$sound->[1]";
3089 cf::sound::set $sound->[0] => $face;
3090 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3091 }
3092
3093 while (my ($k, $v) = each %{$soundconf->{event}}) {
3094 my $face = cf::face::find "sound/$v";
3095 cf::sound::set $k => $face;
3096 }
3097 }
3098 }
3099
3100 1
3101}
3102
3103register_exticmd fx_want => sub {
3104 my ($ns, $want) = @_;
3105
3106 while (my ($k, $v) = each %$want) {
3107 $ns->fx_want ($k, $v);
3108 }
3109};
3110
3111sub reload_regions {
3112 # HACK to clear player env face cache, we need some signal framework
3113 # for this (global event?)
3114 %ext::player_env::MUSIC_FACE_CACHE = ();
3115
3116 load_resource_file "$MAPDIR/regions"
2263 or die "unable to load regions file\n";#d# 3117 or die "unable to load regions file\n";
2264}
2265 3118
2266sub cfg_load { 3119 for (cf::region::list) {
3120 $_->{match} = qr/$_->{match}/
3121 if exists $_->{match};
3122 }
3123}
3124
3125sub reload_facedata {
3126 load_facedata "$DATADIR/facedata"
3127 or die "unable to load facedata\n";
3128}
3129
3130sub reload_archetypes {
3131 load_resource_file "$DATADIR/archetypes"
3132 or die "unable to load archetypes\n";
3133 #d# NEED to laod twice to resolve forward references
3134 # this really needs to be done in an extra post-pass
3135 # (which needs to be synchronous, so solve it differently)
3136 load_resource_file "$DATADIR/archetypes"
3137 or die "unable to load archetypes\n";
3138}
3139
3140sub reload_treasures {
3141 load_resource_file "$DATADIR/treasures"
3142 or die "unable to load treasurelists\n";
3143}
3144
3145sub reload_resources {
3146 warn "reloading resource files...\n";
3147
3148 reload_regions;
3149 reload_facedata;
3150 #reload_archetypes;#d#
3151 reload_archetypes;
3152 reload_treasures;
3153
3154 warn "finished reloading resource files\n";
3155}
3156
3157sub init {
3158 reload_resources;
3159}
3160
3161sub reload_config {
2267 open my $fh, "<:utf8", cf::confdir . "/config" 3162 open my $fh, "<:utf8", "$CONFDIR/config"
2268 or return; 3163 or return;
2269 3164
2270 local $/; 3165 local $/;
2271 *CFG = YAML::Syck::Load <$fh>; 3166 *CFG = YAML::Syck::Load <$fh>;
2272 3167
2280 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3175 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281 and die "WARNING: m(un)lockall failed: $!\n"; 3176 and die "WARNING: m(un)lockall failed: $!\n";
2282 }; 3177 };
2283 warn $@ if $@; 3178 warn $@ if $@;
2284 } 3179 }
2285}
2286
2287sub init {
2288 load_resources;
2289} 3180}
2290 3181
2291sub main { 3182sub main {
2292 # we must not ever block the main coroutine 3183 # we must not ever block the main coroutine
2293 local $Coro::idle = sub { 3184 local $Coro::idle = sub {
2295 (async { 3186 (async {
2296 Event::one_event; 3187 Event::one_event;
2297 })->prio (Coro::PRIO_MAX); 3188 })->prio (Coro::PRIO_MAX);
2298 }; 3189 };
2299 3190
2300 cfg_load; 3191 reload_config;
2301 db_init; 3192 db_init;
2302 load_extensions; 3193 load_extensions;
2303 3194
2304 $TICK_WATCHER->start; 3195 $TICK_WATCHER->start;
2305 Event::loop; 3196 Event::loop;
2321 }, 3212 },
2322 ); 3213 );
2323 } 3214 }
2324} 3215}
2325 3216
3217sub write_runtime {
3218 my $runtime = "$LOCALDIR/runtime";
3219
3220 # first touch the runtime file to show we are still running:
3221 # the fsync below can take a very very long time.
3222
3223 IO::AIO::aio_utime $runtime, undef, undef;
3224
3225 my $guard = cf::lock_acquire "write_runtime";
3226
3227 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3228 or return;
3229
3230 my $value = $cf::RUNTIME + 90 + 10;
3231 # 10 is the runtime save interval, for a monotonic clock
3232 # 60 allows for the watchdog to kill the server.
3233
3234 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3235 and return;
3236
3237 # always fsync - this file is important
3238 aio_fsync $fh
3239 and return;
3240
3241 # touch it again to show we are up-to-date
3242 aio_utime $fh, undef, undef;
3243
3244 close $fh
3245 or return;
3246
3247 aio_rename "$runtime~", $runtime
3248 and return;
3249
3250 warn "runtime file written.\n";
3251
3252 1
3253}
3254
2326sub emergency_save() { 3255sub emergency_save() {
2327 my $freeze_guard = cf::freeze_mainloop; 3256 my $freeze_guard = cf::freeze_mainloop;
2328 3257
2329 warn "enter emergency perl save\n"; 3258 warn "enter emergency perl save\n";
2330 3259
2361 3290
2362 warn Carp::longmess "post_cleanup backtrace" 3291 warn Carp::longmess "post_cleanup backtrace"
2363 if $make_core; 3292 if $make_core;
2364} 3293}
2365 3294
2366sub reload() { 3295sub do_reload_perl() {
2367 # can/must only be called in main 3296 # can/must only be called in main
2368 if ($Coro::current != $Coro::main) { 3297 if ($Coro::current != $Coro::main) {
2369 warn "can only reload from main coroutine"; 3298 warn "can only reload from main coroutine";
2370 return; 3299 return;
2371 } 3300 }
2396 Coro::cede; 3325 Coro::cede;
2397 last unless IO::AIO::nreqs || BDB::nreqs; 3326 last unless IO::AIO::nreqs || BDB::nreqs;
2398 warn "iterate..."; 3327 warn "iterate...";
2399 } 3328 }
2400 3329
3330 ++$RELOAD;
3331
2401 warn "cancelling all extension coros"; 3332 warn "cancelling all extension coros";
2402 $_->cancel for values %EXT_CORO; 3333 $_->cancel for values %EXT_CORO;
2403 %EXT_CORO = (); 3334 %EXT_CORO = ();
2404 3335
2405 warn "removing commands"; 3336 warn "removing commands";
2406 %COMMAND = (); 3337 %COMMAND = ();
2407 3338
2408 warn "removing ext commands"; 3339 warn "removing ext/exti commands";
2409 %EXTCMD = (); 3340 %EXTCMD = ();
3341 %EXTICMD = ();
2410 3342
2411 warn "unloading/nuking all extensions"; 3343 warn "unloading/nuking all extensions";
2412 for my $pkg (@EXTS) { 3344 for my $pkg (@EXTS) {
2413 warn "... unloading $pkg"; 3345 warn "... unloading $pkg";
2414 3346
2444 Symbol::delete_package "safe::$_" 3376 Symbol::delete_package "safe::$_"
2445 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446 3378
2447 warn "unloading cf.pm \"a bit\""; 3379 warn "unloading cf.pm \"a bit\"";
2448 delete $INC{"cf.pm"}; 3380 delete $INC{"cf.pm"};
3381 delete $INC{"cf/pod.pm"};
2449 3382
2450 # don't, removes xs symbols, too, 3383 # don't, removes xs symbols, too,
2451 # and global variables created in xs 3384 # and global variables created in xs
2452 #Symbol::delete_package __PACKAGE__; 3385 #Symbol::delete_package __PACKAGE__;
2453 3386
2456 warn "reloading cf.pm"; 3389 warn "reloading cf.pm";
2457 require cf; 3390 require cf;
2458 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3391 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459 3392
2460 warn "loading config and database again"; 3393 warn "loading config and database again";
2461 cf::cfg_load; 3394 cf::reload_config;
2462 3395
2463 warn "loading extensions"; 3396 warn "loading extensions";
2464 cf::load_extensions; 3397 cf::load_extensions;
2465 3398
2466 warn "reattaching attachments to objects/players"; 3399 warn "reattaching attachments to objects/players";
2467 _global_reattach; 3400 _global_reattach; # objects, sockets
2468 warn "reattaching attachments to maps"; 3401 warn "reattaching attachments to maps";
2469 reattach $_ for values %MAP; 3402 reattach $_ for values %MAP;
2470 3403 warn "reattaching attachments to players";
2471 warn "loading reloadable resources"; 3404 reattach $_ for values %PLAYER;
2472 load_resources;
2473 3405
2474 warn "leaving sync_job"; 3406 warn "leaving sync_job";
2475 3407
2476 1 3408 1
2477 } or do { 3409 } or do {
2483 warn "reloaded"; 3415 warn "reloaded";
2484}; 3416};
2485 3417
2486our $RELOAD_WATCHER; # used only during reload 3418our $RELOAD_WATCHER; # used only during reload
2487 3419
3420sub reload_perl() {
3421 # doing reload synchronously and two reloads happen back-to-back,
3422 # coro crashes during coro_state_free->destroy here.
3423
3424 $RELOAD_WATCHER ||= Event->timer (
3425 reentrant => 0,
3426 after => 0,
3427 data => WF_AUTOCANCEL,
3428 cb => sub {
3429 do_reload_perl;
3430 undef $RELOAD_WATCHER;
3431 },
3432 );
3433}
3434
2488register_command "reload" => sub { 3435register_command "reload" => sub {
2489 my ($who, $arg) = @_; 3436 my ($who, $arg) = @_;
2490 3437
2491 if ($who->flag (FLAG_WIZ)) { 3438 if ($who->flag (FLAG_WIZ)) {
2492 $who->message ("reloading server."); 3439 $who->message ("reloading server.");
2493 3440 async { reload_perl };
2494 # doing reload synchronously and two reloads happen back-to-back,
2495 # coro crashes during coro_state_free->destroy here.
2496
2497 $RELOAD_WATCHER ||= Event->timer (
2498 reentrant => 0,
2499 after => 0,
2500 data => WF_AUTOCANCEL,
2501 cb => sub {
2502 reload;
2503 undef $RELOAD_WATCHER;
2504 },
2505 );
2506 } 3441 }
2507}; 3442};
2508 3443
2509unshift @INC, $LIBDIR; 3444unshift @INC, $LIBDIR;
2510 3445
2511my $bug_warning = 0; 3446my $bug_warning = 0;
3447
3448our @WAIT_FOR_TICK;
3449our @WAIT_FOR_TICK_BEGIN;
3450
3451sub wait_for_tick {
3452 return unless $TICK_WATCHER->is_active;
3453 return if $Coro::current == $Coro::main;
3454
3455 my $signal = new Coro::Signal;
3456 push @WAIT_FOR_TICK, $signal;
3457 $signal->wait;
3458}
3459
3460sub wait_for_tick_begin {
3461 return unless $TICK_WATCHER->is_active;
3462 return if $Coro::current == $Coro::main;
3463
3464 my $signal = new Coro::Signal;
3465 push @WAIT_FOR_TICK_BEGIN, $signal;
3466 $signal->wait;
3467}
2512 3468
2513$TICK_WATCHER = Event->timer ( 3469$TICK_WATCHER = Event->timer (
2514 reentrant => 0, 3470 reentrant => 0,
2515 parked => 1, 3471 parked => 1,
2516 prio => 0, 3472 prio => 0,
2521 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3477 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522 unless ++$bug_warning > 10; 3478 unless ++$bug_warning > 10;
2523 return; 3479 return;
2524 } 3480 }
2525 3481
2526 $NOW = Event::time; 3482 $NOW = $tick_start = Event::time;
2527 3483
2528 cf::server_tick; # one server iteration 3484 cf::server_tick; # one server iteration
3485
2529 $RUNTIME += $TICK; 3486 $RUNTIME += $TICK;
2530 $NEXT_TICK += $TICK; 3487 $NEXT_TICK += $TICK;
2531 3488
2532 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3489 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533 $NEXT_RUNTIME_WRITE = $NOW + 10; 3490 $NEXT_RUNTIME_WRITE = $NOW + 10;
2535 write_runtime 3492 write_runtime
2536 or warn "ERROR: unable to write runtime file: $!"; 3493 or warn "ERROR: unable to write runtime file: $!";
2537 }; 3494 };
2538 } 3495 }
2539 3496
3497 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3498 $sig->send;
3499 }
3500 while (my $sig = shift @WAIT_FOR_TICK) {
3501 $sig->send;
3502 }
2540 3503
2541 $WAIT_FOR_TICK->broadcast; 3504 $NOW = Event::time;
2542 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544# my $AFTER = Event::time;
2545# warn $AFTER - $NOW;#d#
2546 3505
2547 # if we are delayed by four ticks or more, skip them all 3506 # if we are delayed by four ticks or more, skip them all
2548 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3507 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2549 3508
2550 $TICK_WATCHER->at ($NEXT_TICK); 3509 $TICK_WATCHER->at ($NEXT_TICK);
2551 $TICK_WATCHER->start; 3510 $TICK_WATCHER->start;
3511
3512 $LOAD = ($NOW - $tick_start) / $TICK;
3513 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3514
3515 _post_tick;
2552 }, 3516 },
2553); 3517);
2554 3518
2555{ 3519{
3520 BDB::min_parallel 8;
2556 BDB::max_poll_time $TICK * 0.1; 3521 BDB::max_poll_time $TICK * 0.1;
2557 $BDB_POLL_WATCHER = Event->io ( 3522 $BDB_POLL_WATCHER = Event->io (
2558 reentrant => 0, 3523 reentrant => 0,
2559 fd => BDB::poll_fileno, 3524 fd => BDB::poll_fileno,
2560 poll => 'r', 3525 poll => 'r',
2561 prio => 0, 3526 prio => 0,
2562 data => WF_AUTOCANCEL, 3527 data => WF_AUTOCANCEL,
2563 cb => \&BDB::poll_cb, 3528 cb => \&BDB::poll_cb,
2564 ); 3529 );
2565 BDB::min_parallel 8;
2566 3530
2567 BDB::set_sync_prepare { 3531 BDB::set_sync_prepare {
2568 my $status; 3532 my $status;
2569 my $current = $Coro::current; 3533 my $current = $Coro::current;
2570 ( 3534 (
2579 ) 3543 )
2580 }; 3544 };
2581 3545
2582 unless ($DB_ENV) { 3546 unless ($DB_ENV) {
2583 $DB_ENV = BDB::db_env_create; 3547 $DB_ENV = BDB::db_env_create;
3548 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3549 | BDB::LOG_AUTOREMOVE, 1);
3550 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3551 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584 3552
2585 cf::sync_job { 3553 cf::sync_job {
2586 eval { 3554 eval {
2587 BDB::db_env_open 3555 BDB::db_env_open
2588 $DB_ENV, 3556 $DB_ENV,
2589 $BDB_ENV_DIR, 3557 $BDBDIR,
2590 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3558 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3559 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592 0666; 3560 0666;
2593 3561
2594 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3562 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597 $DB_ENV->set_lk_detect;
2598 }; 3563 };
2599 3564
2600 cf::cleanup "db_env_open(db): $@" if $@; 3565 cf::cleanup "db_env_open(db): $@" if $@;
2601 }; 3566 };
2602 } 3567 }
3568
3569 $BDB_DEADLOCK_WATCHER = Event->timer (
3570 after => 3,
3571 interval => 1,
3572 hard => 1,
3573 prio => 0,
3574 data => WF_AUTOCANCEL,
3575 cb => sub {
3576 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3577 },
3578 );
3579 $BDB_CHECKPOINT_WATCHER = Event->timer (
3580 after => 11,
3581 interval => 60,
3582 hard => 1,
3583 prio => 0,
3584 data => WF_AUTOCANCEL,
3585 cb => sub {
3586 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3587 },
3588 );
3589 $BDB_TRICKLE_WATCHER = Event->timer (
3590 after => 5,
3591 interval => 10,
3592 hard => 1,
3593 prio => 0,
3594 data => WF_AUTOCANCEL,
3595 cb => sub {
3596 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3597 },
3598 );
2603} 3599}
2604 3600
2605{ 3601{
2606 IO::AIO::min_parallel 8; 3602 IO::AIO::min_parallel 8;
2607 3603
2615 prio => 6, 3611 prio => 6,
2616 cb => \&IO::AIO::poll_cb, 3612 cb => \&IO::AIO::poll_cb,
2617 ); 3613 );
2618} 3614}
2619 3615
3616my $_log_backtrace;
3617
3618sub _log_backtrace {
3619 my ($msg, @addr) = @_;
3620
3621 $msg =~ s/\n//;
3622
3623 # limit the # of concurrent backtraces
3624 if ($_log_backtrace < 2) {
3625 ++$_log_backtrace;
3626 async {
3627 my @bt = fork_call {
3628 @addr = map { sprintf "%x", $_ } @addr;
3629 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3630 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3631 or die "addr2line: $!";
3632
3633 my @funcs;
3634 my @res = <$fh>;
3635 chomp for @res;
3636 while (@res) {
3637 my ($func, $line) = splice @res, 0, 2, ();
3638 push @funcs, "[$func] $line";
3639 }
3640
3641 @funcs
3642 };
3643
3644 LOG llevInfo, "[ABT] $msg\n";
3645 LOG llevInfo, "[ABT] $_\n" for @bt;
3646 --$_log_backtrace;
3647 };
3648 } else {
3649 LOG llevInfo, "[ABT] $msg\n";
3650 LOG llevInfo, "[ABT] [suppressed]\n";
3651 }
3652}
3653
3654# load additional modules
3655use cf::pod;
3656
2620END { cf::emergency_save } 3657END { cf::emergency_save }
2621 3658
26221 36591
2623 3660

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