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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.393 by root, Fri Oct 26 04:47:00 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use Event; 9use Event;
10use Opcode; 10use Opcode;
11use Safe; 11use Safe;
12use Safe::Hole; 12use Safe::Hole;
13use Storable ();
13 14
14use Coro 3.52 (); 15use Coro 4.1 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
21 25
26use JSON::XS ();
22use BDB (); 27use BDB ();
23use Data::Dumper; 28use Data::Dumper;
24use Digest::MD5; 29use Digest::MD5;
25use Fcntl; 30use Fcntl;
26use YAML::Syck (); 31use YAML::Syck ();
27use IO::AIO 2.32 (); 32use IO::AIO 2.51 ();
28use Time::HiRes; 33use Time::HiRes;
29use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
30 36
31# configure various modules to our taste 37# configure various modules to our taste
32# 38#
39$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 42
36$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
37 44
45our %COMMAND = (); 52our %COMMAND = ();
46our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
47 54
48our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
52 60
53our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
54our @EVENT; 62our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 63
57our $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(!)
58our $TICK_WATCHER; 77our $TICK_WATCHER;
59our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 80our $NEXT_TICK;
62our $NOW; 81our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
64 83
65our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
66our $DB_ENV; 88our $DB_ENV;
67 89
68our %CFG; 90our %CFG;
69 91
70our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 93our $RUNTIME;
72 94
73our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 98
82# 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 ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
85binmode STDOUT; 106binmode STDOUT;
86binmode STDERR; 107binmode STDERR;
87 108
88# read virtual server time, if available 109# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
93} 114}
94 115
95mkdir cf::localdir; 116mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 118
102our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
103 120
104sub cf::map::normalise; 121sub cf::map::normalise;
105 122
116=item $cf::RUNTIME 133=item $cf::RUNTIME
117 134
118The 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
119every server tick. 136every server tick.
120 137
121=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
122 141
123The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
124be 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.
125 146
126=item $cf::NOW 147=item $cf::NOW
127 148
128The time of the last (current) server tick. 149The time of the last (current) server tick.
129 150
130=item $cf::TICK 151=item $cf::TICK
131 152
132The 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.
133 164
134=item %cf::CFG 165=item %cf::CFG
135 166
136Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
137from wherever your confdir points to. 168from wherever your confdir points to.
138 169
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
140 171
141These 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
142or 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
143processing 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.
144window 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.
145 181
146=back 182=back
147 183
148=cut 184=cut
149 185
150BEGIN { 186BEGIN {
151 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 188 my $msg = join "", @_;
153 utf8::encode $msg;
154 189
155 $msg .= "\n" 190 $msg .= "\n"
156 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157 194
158 LOG llevError, $msg; 195 LOG llevError, $msg;
159 }; 196 };
160} 197}
161 198
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@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';
167@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)
168 206
169# 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
170# within the Safe compartment. 208# within the Safe compartment.
171for my $pkg (qw( 209for my $pkg (qw(
172 cf::global cf::attachable 210 cf::global cf::attachable
180} 218}
181 219
182$Event::DIED = sub { 220$Event::DIED = sub {
183 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
184}; 222};
223
224#############################################################################
185 225
186=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
187 227
188=over 4 228=over 4
189 229
208 $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;
209 $d 249 $d
210 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
211} 251}
212 252
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
216 254
217Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
218 256
219=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
220 258
221Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
260
261=cut
262
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264
265sub to_json ($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) }
222 267
223=item cf::lock_wait $string 268=item cf::lock_wait $string
224 269
225Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
226 271
229Wait 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
230a 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,
231for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
232returned. 277returned.
233 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
234Lock 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
235uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
236 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
237=cut 289=cut
238 290
239our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
240 293
241sub lock_wait($) { 294sub lock_wait($) {
242 my ($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#
243 301
244 # wait for lock, if any 302 # wait for lock, if any
245 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule; 305 Coro::schedule;
253 311
254 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
255 lock_wait $key; 313 lock_wait $key;
256 314
257 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
258 317
259 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
260 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
262 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
263} 329}
264 330
265sub freeze_mainloop { 331sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
267 333
270 }; 336 };
271 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
272 $guard 338 $guard
273} 339}
274 340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 $Coro::current->desc ("timeslot manager");
360
361 my $signal = new Coro::Signal;
362
363 while () {
364 next_job:
365 my $avail = cf::till_tick;
366 if ($avail > 0.01) {
367 for (0 .. $#SLOT_QUEUE) {
368 if ($SLOT_QUEUE[$_][0] < $avail) {
369 my $job = splice @SLOT_QUEUE, $_, 1, ();
370 $job->[2]->send;
371 Coro::cede;
372 goto next_job;
373 }
374 }
375 }
376
377 if (@SLOT_QUEUE) {
378 # we do not use wait_for_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait;
381 } else {
382 Coro::schedule;
383 }
384 }
385};
386
387sub get_slot($;$$) {
388 my ($time, $pri, $name) = @_;
389
390 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal;
392
393 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395 $SLOT_QUEUE->ready;
396 $sig->wait;
397}
398
275=item cf::async { BLOCK } 399=item cf::async { BLOCK }
276 400
277Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
278C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 402C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
282 406
283BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
284 408
285=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
286 410
287The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable.
290 415
291If it must be done, put the blocking parts into C<sync_job>. This will run 416If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 418server will be frozen during this time, so the block should either finish
294fast or be very important. 419fast or be very important.
297 422
298sub sync_job(&) { 423sub sync_job(&) {
299 my ($job) = @_; 424 my ($job) = @_;
300 425
301 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
302 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
304 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
305 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 435 # (but this is cancel-safe)
307 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
308 437
309 my $busy = 1; 438 my $busy = 1;
310 my @res; 439 my @res;
311 440
312 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 443 @res = eval { $job->() };
314 warn $@ if $@; 444 warn $@ if $@;
315 undef $busy; 445 undef $busy;
316 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
317 447
318 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
319 Coro::cede or Event::one_event; 452 Event::one_event;
320 } 453 }
454 }
455
456 $time = Event::time - $time;
457
458 LOG llevError | logBacktrace, Carp::longmess "long sync job"
459 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461 $tick_start += $time; # do not account sync jobs to server load
321 462
322 wantarray ? @res : $res[0] 463 wantarray ? @res : $res[0]
323 } else { 464 } else {
324 # we are in another coroutine, how wonderful, everything just works 465 # we are in another coroutine, how wonderful, everything just works
325 466
345 $EXT_CORO{$coro+0} = $coro; 486 $EXT_CORO{$coro+0} = $coro;
346 487
347 $coro 488 $coro
348} 489}
349 490
350sub write_runtime { 491=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 492
353 my $runtime = cf::localdir . "/runtime"; 493Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling.
354 497
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 498=cut
356 or return;
357 499
358 my $value = $cf::RUNTIME + 90 + 10; 500sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 501 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 502
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 503 # we seemingly have to make a local copy of the whole thing,
363 and return; 504 # otherwise perl prematurely frees the stuff :/
505 # TODO: investigate and fix (likely this will be rather laborious)
364 506
365 # always fsync - this file is important 507 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 508 reset_signals;
367 and return; 509 &$cb
510 }, @args;
368 511
369 close $fh 512 wantarray ? @res : $res[-1]
370 or return; 513}
371 514
372 aio_rename "$runtime~", $runtime 515=item $value = cf::db_get $family => $key
373 and return;
374 516
517Returns a single value from the environment database.
518
519=item cf::db_put $family => $key => $value
520
521Stores the given C<$value> in the family. It can currently store binary
522data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
523
524=item $db = cf::db_table "name"
525
526Create and/or open a new database table. The string must not be "db" and must be unique
527within each server.
528
529=cut
530
531sub db_table($) {
532 my ($name) = @_;
533 my $db = BDB::db_create $DB_ENV;
534
535 eval {
536 $db->set_flags (BDB::CHKSUM);
537
538 utf8::encode $name;
539 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
540 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
541 cf::cleanup "db_open(db): $!" if $!;
542 };
543 cf::cleanup "db_open(db): $@" if $@;
544
545 $db
546}
547
548our $DB;
549
550sub db_init {
551 cf::sync_job {
552 $DB ||= db_table "db";
553 };
554}
555
556sub db_get($$) {
557 my $key = "$_[0]/$_[1]";
558
559 cf::sync_job {
560 BDB::db_get $DB, undef, $key, my $data;
561
562 $! ? ()
563 : $data
375 1 564 }
565}
566
567sub db_put($$$) {
568 BDB::dbreq_pri 4;
569 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
570}
571
572=item cf::cache $id => [$paths...], $processversion => $process
573
574Generic caching function that returns the value of the resource $id,
575caching and regenerating as required.
576
577This function can block.
578
579=cut
580
581sub cache {
582 my ($id, $src, $processversion, $process) = @_;
583
584 my $meta =
585 join "\x00",
586 $processversion,
587 map {
588 aio_stat $_
589 and Carp::croak "$_: $!";
590
591 ($_, (stat _)[7,9])
592 } @$src;
593
594 my $dbmeta = db_get cache => "$id/meta";
595 if ($dbmeta ne $meta) {
596 # changed, we may need to process
597
598 my @data;
599 my $md5;
600
601 for (0 .. $#$src) {
602 0 <= aio_load $src->[$_], $data[$_]
603 or Carp::croak "$src->[$_]: $!";
604 }
605
606 # if processing is expensive, check
607 # checksum first
608 if (1) {
609 $md5 =
610 join "\x00",
611 $processversion,
612 map {
613 cf::cede_to_tick;
614 ($src->[$_], Digest::MD5::md5_hex $data[$_])
615 } 0.. $#$src;
616
617
618 my $dbmd5 = db_get cache => "$id/md5";
619 if ($dbmd5 eq $md5) {
620 db_put cache => "$id/meta", $meta;
621
622 return db_get cache => "$id/data";
623 }
624 }
625
626 my $t1 = Time::HiRes::time;
627 my $data = $process->(\@data);
628 my $t2 = Time::HiRes::time;
629
630 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
631
632 db_put cache => "$id/data", $data;
633 db_put cache => "$id/md5" , $md5;
634 db_put cache => "$id/meta", $meta;
635
636 return $data;
637 }
638
639 db_get cache => "$id/data"
640}
641
642=item cf::datalog type => key => value, ...
643
644Log a datalog packet of the given type with the given key-value pairs.
645
646=cut
647
648sub datalog($@) {
649 my ($type, %kv) = @_;
650 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376} 651}
377 652
378=back 653=back
379 654
380=cut 655=cut
387attach callbacks/event handlers (a collection of which is called an "attachment") 662attach callbacks/event handlers (a collection of which is called an "attachment")
388to it. All such attachable objects support the following methods. 663to it. All such attachable objects support the following methods.
389 664
390In the following description, CLASS can be any of C<global>, C<object> 665In the following description, CLASS can be any of C<global>, C<object>
391C<player>, C<client> or C<map> (i.e. the attachable objects in 666C<player>, C<client> or C<map> (i.e. the attachable objects in
392crossfire+). 667Crossfire TRT).
393 668
394=over 4 669=over 4
395 670
396=item $attachable->attach ($attachment, key => $value...) 671=item $attachable->attach ($attachment, key => $value...)
397 672
560 $registry = $CB_TYPE[$object_type] ||= []; 835 $registry = $CB_TYPE[$object_type] ||= [];
561 836
562 } elsif ($type eq "subtype") { 837 } elsif ($type eq "subtype") {
563 defined $object_type or Carp::croak "subtype specified without type"; 838 defined $object_type or Carp::croak "subtype specified without type";
564 my $object_subtype = shift @arg; 839 my $object_subtype = shift @arg;
565 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 840 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566 841
567 } elsif ($type eq "package") { 842 } elsif ($type eq "package") {
568 my $pkg = shift @arg; 843 my $pkg = shift @arg;
569 844
570 while (my ($name, $id) = each %cb_id) { 845 while (my ($name, $id) = each %cb_id) {
599 _attach $registry, $klass, @attach; 874 _attach $registry, $klass, @attach;
600 } 875 }
601 876
602 $obj->{$name} = \%arg; 877 $obj->{$name} = \%arg;
603 } else { 878 } else {
604 warn "object uses attachment '$name' that is not available, postponing.\n"; 879 warn "object uses attachment '$name' which is not available, postponing.\n";
605 } 880 }
606 881
607 $obj->{_attachment}{$name} = undef; 882 $obj->{_attachment}{$name} = undef;
608} 883}
609 884
611 if (ref $_[0]) { 886 if (ref $_[0]) {
612 _object_attach @_; 887 _object_attach @_;
613 } else { 888 } else {
614 _attach shift->_attach_registry, @_; 889 _attach shift->_attach_registry, @_;
615 } 890 }
891 _recalc_want;
616}; 892};
617 893
618# all those should be optimised 894# all those should be optimised
619sub cf::attachable::detach { 895sub cf::attachable::detach {
620 my ($obj, $name) = @_; 896 my ($obj, $name) = @_;
623 delete $obj->{_attachment}{$name}; 899 delete $obj->{_attachment}{$name};
624 reattach ($obj); 900 reattach ($obj);
625 } else { 901 } else {
626 Carp::croak "cannot, currently, detach class attachments"; 902 Carp::croak "cannot, currently, detach class attachments";
627 } 903 }
904 _recalc_want;
628}; 905};
629 906
630sub cf::attachable::attached { 907sub cf::attachable::attached {
631 my ($obj, $name) = @_; 908 my ($obj, $name) = @_;
632 909
647 "; 924 ";
648 die if $@; 925 die if $@;
649} 926}
650 927
651our $override; 928our $override;
652our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 929our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653 930
654sub override { 931sub override {
655 $override = 1; 932 $override = 1;
656 @invoke_results = (); 933 @INVOKE_RESULTS = (@_);
657} 934}
658 935
659sub do_invoke { 936sub do_invoke {
660 my $event = shift; 937 my $event = shift;
661 my $callbacks = shift; 938 my $callbacks = shift;
662 939
663 @invoke_results = (); 940 @INVOKE_RESULTS = ();
664 941
665 local $override; 942 local $override;
666 943
667 for (@$callbacks) { 944 for (@$callbacks) {
668 eval { &{$_->[1]} }; 945 eval { &{$_->[1]} };
685 962
686Generate an object-specific event with the given arguments. 963Generate an object-specific event with the given arguments.
687 964
688This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 965This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689removed in future versions), and there is no public API to access override 966removed in future versions), and there is no public API to access override
690results (if you must, access C<@cf::invoke_results> directly). 967results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691 968
692=back 969=back
693 970
694=cut 971=cut
695 972
696############################################################################# 973#############################################################################
697# object support 974# object support
975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
1009sub _can_merge {
1010 my ($ob1, $ob2) = @_;
1011
1012 ++$SLOW_MERGES;#d#
1013
1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
1016}
698 1017
699sub reattach { 1018sub reattach {
700 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
701 my ($obj) = @_; 1020 my ($obj) = @_;
702 1021
749sub object_freezer_save { 1068sub object_freezer_save {
750 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
751 1070
752 sync_job { 1071 sync_job {
753 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
754 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
755 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
756 1076
757 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
759 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760 aio_fsync $fh if $cf::USE_FSYNC; 1080 aio_fsync $fh if $cf::USE_FSYNC;
761 close $fh; 1081 close $fh;
762 1082
763 if (@$objs) { 1083 if (@$objs) {
764 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1084 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
766 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1088 aio_fsync $fh if $cf::USE_FSYNC;
769 close $fh; 1089 close $fh;
770 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
771 } 1091 }
779 } 1099 }
780 } else { 1100 } else {
781 aio_unlink $filename; 1101 aio_unlink $filename;
782 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
783 } 1103 }
784 } 1104 };
785} 1105}
786 1106
787sub object_freezer_as_string { 1107sub object_freezer_as_string {
788 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
789 1109
801 or return; 1121 or return;
802 1122
803 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
804 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
805 or return; 1125 or return;
1126
806 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
807 } 1129 }
808 1130
1131 utf8::decode (my $decname = $filename);
809 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
810 $filename, length $data, scalar @{$av || []};#d# 1133 $decname, length $data, scalar @{$av || []};
1134
811 return ($data, $av); 1135 ($data, $av)
812} 1136}
1137
1138=head2 COMMAND CALLBACKS
1139
1140=over 4
1141
1142=cut
813 1143
814############################################################################# 1144#############################################################################
815# command handling &c 1145# command handling &c
816 1146
817=item cf::register_command $name => \&callback($ob,$args); 1147=item cf::register_command $name => \&callback($ob,$args);
830 push @{ $COMMAND{$name} }, [$caller, $cb]; 1160 push @{ $COMMAND{$name} }, [$caller, $cb];
831} 1161}
832 1162
833=item cf::register_extcmd $name => \&callback($pl,$packet); 1163=item cf::register_extcmd $name => \&callback($pl,$packet);
834 1164
835Register a callbackf ro execution when the client sends an extcmd packet. 1165Register a callback for execution when the client sends an (synchronous)
1166extcmd packet. Ext commands will be processed in the order they are
1167received by the server, like other user commands. The first argument is
1168the logged-in player. Ext commands can only be processed after a player
1169has logged in successfully.
836 1170
837If the callback returns something, it is sent back as if reply was being 1171If the callback returns something, it is sent back as if reply was being
838called. 1172called.
839 1173
1174=item cf::register_exticmd $name => \&callback($ns,$packet);
1175
1176Register a callback for execution when the client sends an (asynchronous)
1177exticmd packet. Exti commands are processed by the server as soon as they
1178are received, i.e. out of order w.r.t. other commands. The first argument
1179is a client socket. Exti commands can be received anytime, even before
1180log-in.
1181
1182If the callback returns something, it is sent back as if reply was being
1183called.
1184
840=cut 1185=cut
841 1186
842sub register_extcmd { 1187sub register_extcmd {
843 my ($name, $cb) = @_; 1188 my ($name, $cb) = @_;
844 1189
845 $EXTCMD{$name} = $cb; 1190 $EXTCMD{$name} = $cb;
1191}
1192
1193sub register_exticmd {
1194 my ($name, $cb) = @_;
1195
1196 $EXTICMD{$name} = $cb;
846} 1197}
847 1198
848cf::player->attach ( 1199cf::player->attach (
849 on_command => sub { 1200 on_command => sub {
850 my ($pl, $name, $params) = @_; 1201 my ($pl, $name, $params) = @_;
859 cf::override; 1210 cf::override;
860 }, 1211 },
861 on_extcmd => sub { 1212 on_extcmd => sub {
862 my ($pl, $buf) = @_; 1213 my ($pl, $buf) = @_;
863 1214
864 my $msg = eval { from_json $buf }; 1215 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865 1216
866 if (ref $msg) { 1217 if (ref $msg) {
1218 my ($type, $reply, @payload) =
1219 "ARRAY" eq ref $msg
1220 ? @$msg
1221 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222
1223 my @reply;
1224
867 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1225 if (my $cb = $EXTCMD{$type}) {
868 if (my %reply = $cb->($pl, $msg)) { 1226 @reply = $cb->($pl, @payload);
869 $pl->ext_reply ($msg->{msgid}, %reply);
870 }
871 } 1227 }
1228
1229 $pl->ext_reply ($reply, @reply)
1230 if $reply;
1231
872 } else { 1232 } else {
873 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1233 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874 } 1234 }
875 1235
876 cf::override; 1236 cf::override;
877 }, 1237 },
878); 1238);
879 1239
880sub load_extension {
881 my ($path) = @_;
882
883 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
884 my $base = $1;
885 my $pkg = $1;
886 $pkg =~ s/[^[:word:]]/_/g;
887 $pkg = "ext::$pkg";
888
889 warn "... loading '$path' into '$pkg'\n";
890
891 open my $fh, "<:utf8", $path
892 or die "$path: $!";
893
894 my $source =
895 "package $pkg; use strict; use utf8;\n"
896 . "#line 1 \"$path\"\n{\n"
897 . (do { local $/; <$fh> })
898 . "\n};\n1";
899
900 unless (eval $source) {
901 my $msg = $@ ? "$path: $@\n"
902 : "extension disabled.\n";
903 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904 warn $@;
905 warn "mandatory extension failed to load, exiting.\n";
906 exit 1;
907 }
908 die $@;
909 }
910
911 push @EXTS, $pkg;
912}
913
914sub load_extensions { 1240sub load_extensions {
1241 cf::sync_job {
1242 my %todo;
1243
915 for my $ext (<$LIBDIR/*.ext>) { 1244 for my $path (<$LIBDIR/*.ext>) {
916 next unless -r $ext; 1245 next unless -r $path;
917 eval { 1246
918 load_extension $ext; 1247 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1248 my $base = $1;
1249 my $pkg = $1;
1250 $pkg =~ s/[^[:word:]]/_/g;
1251 $pkg = "ext::$pkg";
1252
1253 open my $fh, "<:utf8", $path
1254 or die "$path: $!";
1255
1256 my $source = do { local $/; <$fh> };
1257
1258 my %ext = (
1259 path => $path,
1260 base => $base,
1261 pkg => $pkg,
1262 );
1263
1264 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266
1267 $ext{source} =
1268 "package $pkg; use strict; use utf8;\n"
1269 . "#line 1 \"$path\"\n{\n"
1270 . $source
1271 . "\n};\n1";
1272
1273 $todo{$base} = \%ext;
1274 }
1275
1276 my %done;
1277 while (%todo) {
1278 my $progress;
1279
1280 while (my ($k, $v) = each %todo) {
1281 for (split /,\s*/, $v->{meta}{depends}) {
1282 goto skip
1283 unless exists $done{$_};
1284 }
1285
1286 warn "... loading '$k' into '$v->{pkg}'\n";
1287
1288 unless (eval $v->{source}) {
1289 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n";
1291
1292 if (exists $v->{meta}{mandatory}) {
1293 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n";
1295 exit 1;
1296 }
1297
1298 warn $msg;
1299 }
1300
1301 $done{$k} = delete $todo{$k};
1302 push @EXTS, $v->{pkg};
1303 $progress = 1;
919 1 1304 }
920 } or warn "$ext not loaded: $@"; 1305
1306 skip:
1307 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1308 unless $progress;
1309 }
921 } 1310 };
922} 1311}
923 1312
924############################################################################# 1313#############################################################################
925 1314
1315=back
1316
926=head2 CORE EXTENSIONS 1317=head2 CORE EXTENSIONS
927 1318
928Functions and methods that extend core crossfire objects. 1319Functions and methods that extend core crossfire objects.
929 1320
930=cut 1321=cut
935 1326
936=head3 cf::player 1327=head3 cf::player
937 1328
938=over 4 1329=over 4
939 1330
1331=item cf::player::num_playing
1332
1333Returns the official number of playing players, as per the Crossfire metaserver rules.
1334
1335=cut
1336
1337sub num_playing {
1338 scalar grep
1339 $_->ob->map
1340 && !$_->hidden
1341 && !$_->ob->flag (cf::FLAG_WIZ),
1342 cf::player::list
1343}
1344
940=item cf::player::find $login 1345=item cf::player::find $login
941 1346
942Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
943 1348
944=cut 1349=cut
945 1350
946sub playerdir($) { 1351sub playerdir($) {
947 cf::localdir 1352 "$PLAYERDIR/"
948 . "/"
949 . cf::playerdir
950 . "/"
951 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1353 . (ref $_[0] ? $_[0]->ob->name : $_[0])
952} 1354}
953 1355
954sub path($) { 1356sub path($) {
955 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1357 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956 1358
957 (playerdir $login) . "/$login.pl" 1359 (playerdir $login) . "/playerdata"
958} 1360}
959 1361
960sub find_active($) { 1362sub find_active($) {
961 $cf::PLAYER{$_[0]} 1363 $cf::PLAYER{$_[0]}
962 and $cf::PLAYER{$_[0]}->active 1364 and $cf::PLAYER{$_[0]}->active
975 my $login = $_[0]; 1377 my $login = $_[0];
976 1378
977 my $guard = cf::lock_acquire "user_find:$login"; 1379 my $guard = cf::lock_acquire "user_find:$login";
978 1380
979 $cf::PLAYER{$_[0]} || do { 1381 $cf::PLAYER{$_[0]} || do {
980 my $pl = load_pl path $login 1382 # rename old playerfiles to new ones
1383 #TODO: remove when no longer required
1384 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1385 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1386 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1387 aio_unlink +(playerdir $login) . "/$login.pl";
1388
1389 my $f = new_from_file cf::object::thawer path $login
981 or return; 1390 or return;
1391
1392 my $pl = cf::player::load_pl $f
1393 or return;
1394 local $cf::PLAYER_LOADING{$login} = $pl;
1395 $f->resolve_delayed_derefs;
982 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
983 } 1397 }
984 } 1398 }
985} 1399}
986 1400
996 1410
997 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
998 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
999 1413
1000 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
1001 Coro::cede; 1415 cf::cede_to_tick;
1002} 1416}
1003 1417
1004sub new($) { 1418sub new($) {
1005 my ($login) = @_; 1419 my ($login) = @_;
1006 1420
1010 $self->{deny_save} = 1; 1424 $self->{deny_save} = 1;
1011 1425
1012 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1013 1427
1014 $self 1428 $self
1429}
1430
1431=item $player->send_msg ($channel, $msg, $color, [extra...])
1432
1433=cut
1434
1435sub send_msg {
1436 my $ns = shift->ns
1437 or return;
1438 $ns->send_msg (@_);
1015} 1439}
1016 1440
1017=item $pl->quit_character 1441=item $pl->quit_character
1018 1442
1019Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
1068while and may block, so not sync_job-capable, ever. 1492while and may block, so not sync_job-capable, ever.
1069 1493
1070=cut 1494=cut
1071 1495
1072sub list_logins { 1496sub list_logins {
1073 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1497 my $dirs = aio_readdir $PLAYERDIR
1074 or return []; 1498 or return [];
1075 1499
1076 my @logins; 1500 my @logins;
1077 1501
1078 for my $login (@$dirs) { 1502 for my $login (@$dirs) {
1503 my $path = path $login;
1504
1505 # a .pst is a dead give-away for a valid player
1506 unless (-e "$path.pst") {
1079 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1081 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1082 1511
1083 utf8::decode $login; 1512 utf8::decode $login;
1084 push @logins, $login; 1513 push @logins, $login;
1085 } 1514 }
1086 1515
1113 } 1542 }
1114 1543
1115 \@paths 1544 \@paths
1116} 1545}
1117 1546
1547=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1548
1549Expand crossfire pod fragments into protocol xml.
1550
1551=cut
1552
1553use re 'eval';
1554
1555my $group;
1556my $interior; $interior = qr{
1557 # match a pod interior sequence sans C<< >>
1558 (?:
1559 \ (.*?)\ (?{ $group = $^N })
1560 | < (??{$interior}) >
1561 )
1562}x;
1563
1564sub expand_cfpod {
1565 my ($self, $pod) = @_;
1566
1567 my $xml;
1568
1569 while () {
1570 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571 $group = $1;
1572
1573 $group =~ s/&/&amp;/g;
1574 $group =~ s/</&lt;/g;
1575
1576 $xml .= $group;
1577 } elsif ($pod =~ m%\G
1578 ([BCGHITU])
1579 <
1580 (?:
1581 ([^<>]*) (?{ $group = $^N })
1582 | < $interior >
1583 )
1584 >
1585 %gcsx
1586 ) {
1587 my ($code, $data) = ($1, $group);
1588
1589 if ($code eq "B") {
1590 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591 } elsif ($code eq "I") {
1592 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593 } elsif ($code eq "U") {
1594 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595 } elsif ($code eq "C") {
1596 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597 } elsif ($code eq "T") {
1598 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599 } elsif ($code eq "G") {
1600 my ($male, $female) = split /\|/, $data;
1601 $data = $self->gender ? $female : $male;
1602 $xml .= expand_cfpod ($self, $data);
1603 } elsif ($code eq "H") {
1604 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606 "")
1607 [$self->{hintmode}];
1608 } else {
1609 $xml .= "error processing '$code($data)' directive";
1610 }
1611 } else {
1612 if ($pod =~ /\G(.+)/) {
1613 warn "parse error while expanding $pod (at $1)";
1614 }
1615 last;
1616 }
1617 }
1618
1619 for ($xml) {
1620 # create single paragraphs (very hackish)
1621 s/(?<=\S)\n(?=\w)/ /g;
1622
1623 # compress some whitespace
1624 s/\s+\n/\n/g; # ws line-ends
1625 s/\n\n+/\n/g; # double lines
1626 s/^\n+//; # beginning lines
1627 s/\n+$//; # ending lines
1628 }
1629
1630 $xml
1631}
1632
1633no re 'eval';
1634
1635sub hintmode {
1636 $_[0]{hintmode} = $_[1] if @_ > 1;
1637 $_[0]{hintmode}
1638}
1639
1118=item $player->ext_reply ($msgid, $msgtype, %msg) 1640=item $player->ext_reply ($msgid, @msg)
1119 1641
1120Sends an ext reply to the player. 1642Sends an ext reply to the player.
1121 1643
1122=cut 1644=cut
1123 1645
1124sub ext_reply($$$%) { 1646sub ext_reply($$@) {
1125 my ($self, $id, %msg) = @_; 1647 my ($self, $id, @msg) = @_;
1126 1648
1127 $msg{msgid} = $id; 1649 $self->ns->ext_reply ($id, @msg)
1128
1129 $self->send ("ext " . cf::to_json \%msg);
1130} 1650}
1131 1651
1132package cf; 1652=item $player->ext_msg ($type, @msg)
1653
1654Sends an ext event to the client.
1655
1656=cut
1657
1658sub ext_msg($$@) {
1659 my ($self, $type, @msg) = @_;
1660
1661 $self->ns->ext_msg ($type, @msg);
1662}
1663
1664=head3 cf::region
1665
1666=over 4
1667
1668=cut
1669
1670package cf::region;
1671
1672=item cf::region::find_by_path $path
1673
1674Tries to decuce the likely region for a map knowing only its path.
1675
1676=cut
1677
1678sub find_by_path($) {
1679 my ($path) = @_;
1680
1681 my ($match, $specificity);
1682
1683 for my $region (list) {
1684 if ($region->{match} && $path =~ $region->{match}) {
1685 ($match, $specificity) = ($region, $region->specificity)
1686 if $region->specificity > $specificity;
1687 }
1688 }
1689
1690 $match
1691}
1133 1692
1134=back 1693=back
1135
1136 1694
1137=head3 cf::map 1695=head3 cf::map
1138 1696
1139=over 4 1697=over 4
1140 1698
1195 my ($self, $merge) = @_; 1753 my ($self, $merge) = @_;
1196 1754
1197 # we have to keep some variables in memory intact 1755 # we have to keep some variables in memory intact
1198 local $self->{path}; 1756 local $self->{path};
1199 local $self->{load_path}; 1757 local $self->{load_path};
1200 local $self->{deny_save};
1201 local $self->{deny_reset};
1202 1758
1203 $self->SUPER::thawer_merge ($merge); 1759 $self->SUPER::thawer_merge ($merge);
1204} 1760}
1205 1761
1206sub normalise { 1762sub normalise {
1253 $self->init; # pass $1 etc. 1809 $self->init; # pass $1 etc.
1254 return $self; 1810 return $self;
1255 } 1811 }
1256 } 1812 }
1257 1813
1258 Carp::carp "unable to resolve path '$path' (base '$base')."; 1814 Carp::cluck "unable to resolve path '$path' (base '$base').";
1259 () 1815 ()
1260} 1816}
1261 1817
1262sub init { 1818sub init {
1263 my ($self) = @_; 1819 my ($self) = @_;
1278 1834
1279# the original (read-only) location 1835# the original (read-only) location
1280sub load_path { 1836sub load_path {
1281 my ($self) = @_; 1837 my ($self) = @_;
1282 1838
1283 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1839 "$MAPDIR/$self->{path}.map"
1284} 1840}
1285 1841
1286# the temporary/swap location 1842# the temporary/swap location
1287sub save_path { 1843sub save_path {
1288 my ($self) = @_; 1844 my ($self) = @_;
1289 1845
1290 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1846 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1847 "$TMPDIR/$path.map"
1292} 1848}
1293 1849
1294# the unique path, undef == no special unique path 1850# the unique path, undef == no special unique path
1295sub uniq_path { 1851sub uniq_path {
1296 my ($self) = @_; 1852 my ($self) = @_;
1297 1853
1298 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1854 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1855 "$UNIQUEDIR/$path"
1300} 1856}
1301 1857
1302# and all this just because we cannot iterate over 1858# and all this just because we cannot iterate over
1303# all maps in C++... 1859# all maps in C++...
1304sub change_all_map_light { 1860sub change_all_map_light {
1306 1862
1307 $_->change_map_light ($change) 1863 $_->change_map_light ($change)
1308 for grep $_->outdoor, values %cf::MAP; 1864 for grep $_->outdoor, values %cf::MAP;
1309} 1865}
1310 1866
1867sub decay_objects {
1868 my ($self) = @_;
1869
1870 return if $self->{deny_reset};
1871
1872 $self->do_decay_objects;
1873}
1874
1311sub unlink_save { 1875sub unlink_save {
1312 my ($self) = @_; 1876 my ($self) = @_;
1313 1877
1314 utf8::encode (my $save = $self->save_path); 1878 utf8::encode (my $save = $self->save_path);
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1879 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1318 1882
1319sub load_header_from($) { 1883sub load_header_from($) {
1320 my ($self, $path) = @_; 1884 my ($self, $path) = @_;
1321 1885
1322 utf8::encode $path; 1886 utf8::encode $path;
1323 #aio_open $path, O_RDONLY, 0 1887 my $f = new_from_file cf::object::thawer $path
1324 # or return;
1325
1326 $self->_load_header ($path)
1327 or return; 1888 or return;
1889
1890 $self->_load_header ($f)
1891 or return;
1892
1893 local $MAP_LOADING{$self->{path}} = $self;
1894 $f->resolve_delayed_derefs;
1328 1895
1329 $self->{load_path} = $path; 1896 $self->{load_path} = $path;
1330 1897
1331 1 1898 1
1332} 1899}
1371 $self->load_header_orig 1938 $self->load_header_orig
1372 or return; 1939 or return;
1373 $self->prepare_orig; 1940 $self->prepare_orig;
1374 } 1941 }
1375 1942
1943 $self->{deny_reset} = 1
1944 if $self->no_reset;
1945
1946 $self->default_region (cf::region::find_by_path $self->{path})
1947 unless $self->default_region;
1948
1376 1 1949 1
1377} 1950}
1378 1951
1379sub find; 1952sub find;
1380sub find { 1953sub find {
1381 my ($path, $origin) = @_; 1954 my ($path, $origin) = @_;
1382 1955
1383 $path = normalise $path, $origin && $origin->path; 1956 $path = normalise $path, $origin && $origin->path;
1384 1957
1958 cf::lock_wait "map_data:$path";#d#remove
1385 cf::lock_wait "map_find:$path"; 1959 cf::lock_wait "map_find:$path";
1386 1960
1387 $cf::MAP{$path} || do { 1961 $cf::MAP{$path} || do {
1388 my $guard = cf::lock_acquire "map_find:$path"; 1962 my $guard1 = cf::lock_acquire "map_find:$path";
1963 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1389 my $map = new_from_path cf::map $path 1965 my $map = new_from_path cf::map $path
1390 or return; 1966 or return;
1391 1967
1392 $map->{last_save} = $cf::RUNTIME; 1968 $map->{last_save} = $cf::RUNTIME;
1393 1969
1394 $map->load_header 1970 $map->load_header
1395 or return; 1971 or return;
1396 1972
1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1973 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously 1974 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait; 1975 #$cf::WAIT_FOR_TICK->wait;
1976 undef $guard1;
1977 undef $guard2;
1400 $map->reset; 1978 $map->reset;
1401 undef $guard;
1402 return find $path; 1979 return find $path;
1403 } 1980 }
1404 1981
1405 $cf::MAP{$path} = $map 1982 $cf::MAP{$path} = $map
1406 } 1983 }
1413 my ($self) = @_; 1990 my ($self) = @_;
1414 1991
1415 local $self->{deny_reset} = 1; # loading can take a long time 1992 local $self->{deny_reset} = 1; # loading can take a long time
1416 1993
1417 my $path = $self->{path}; 1994 my $path = $self->{path};
1995
1996 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 1997 my $guard = cf::lock_acquire "map_data:$path";
1419 1998
1999 return unless $self->valid;
1420 return if $self->in_memory != cf::MAP_SWAPPED; 2000 return unless $self->in_memory == cf::MAP_SWAPPED;
1421 2001
1422 $self->in_memory (cf::MAP_LOADING); 2002 $self->in_memory (cf::MAP_LOADING);
1423 2003
1424 $self->alloc; 2004 $self->alloc;
1425 2005
1426 $self->pre_load; 2006 $self->pre_load;
2007 cf::cede_to_tick;
1427 2008
1428 $self->_load_objects ($self->{load_path}, 1) 2009 my $f = new_from_file cf::object::thawer $self->{load_path};
2010 $f->skip_block;
2011 $self->_load_objects ($f)
1429 or return; 2012 or return;
1430 2013
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2014 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432 if delete $self->{load_original}; 2015 if delete $self->{load_original};
1433 2016
1434 if (my $uniq = $self->uniq_path) { 2017 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq; 2018 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) { 2019 unless (aio_stat $uniq) {
2020 if (my $f = new_from_file cf::object::thawer $uniq) {
1437 $self->clear_unique_items; 2021 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0); 2022 $self->_load_objects ($f);
2023 $f->resolve_delayed_derefs;
2024 }
1439 } 2025 }
1440 } 2026 }
1441 2027
1442 Coro::cede; 2028 $f->resolve_delayed_derefs;
1443 2029
2030 cf::cede_to_tick;
1444 # now do the right thing for maps 2031 # now do the right thing for maps
1445 $self->link_multipart_objects; 2032 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede;
1452 $self->set_darkness_map;
1453 $self->difficulty ($self->estimate_difficulty) 2033 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 2034 unless $self->difficulty;
1455 Coro::cede; 2035 cf::cede_to_tick;
2036
2037 unless ($self->{deny_activate}) {
2038 $self->decay_objects;
2039 $self->fix_auto_apply;
2040 $self->update_buttons;
2041 cf::cede_to_tick;
2042 $self->set_darkness_map;
2043 cf::cede_to_tick;
1456 $self->activate; 2044 $self->activate;
2045 }
2046
2047 $self->{last_save} = $cf::RUNTIME;
2048 $self->last_access ($cf::RUNTIME);
2049
2050 $self->in_memory (cf::MAP_IN_MEMORY);
1457 } 2051 }
1458 2052
1459 $self->post_load; 2053 $self->post_load;
1460
1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462} 2054}
1463 2055
1464sub customise_for { 2056sub customise_for {
1465 my ($self, $ob) = @_; 2057 my ($self, $ob) = @_;
1466 2058
1467 return find "~" . $ob->name . "/" . $self->{path} 2059 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player; 2060 if $self->per_player;
1469 2061
2062# return find "?party/" . $ob->name . "/" . $self->{path}
2063# if $self->per_party;
2064
1470 $self 2065 $self
1471} 2066}
1472 2067
1473# find and load all maps in the 3x3 area around a map 2068# find and load all maps in the 3x3 area around a map
1474sub load_diag { 2069sub load_neighbours {
1475 my ($map) = @_; 2070 my ($map) = @_;
1476 2071
1477 my @diag; # diagonal neighbours 2072 my @neigh; # diagonal neighbours
1478 2073
1479 for (0 .. 3) { 2074 for (0 .. 3) {
1480 my $neigh = $map->tile_path ($_) 2075 my $neigh = $map->tile_path ($_)
1481 or next; 2076 or next;
1482 $neigh = find $neigh, $map 2077 $neigh = find $neigh, $map
1483 or next; 2078 or next;
1484 $neigh->load; 2079 $neigh->load;
1485 2080
2081 push @neigh,
1486 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2082 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2083 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1488 } 2084 }
1489 2085
1490 for (@diag) { 2086 for (grep defined $_->[0], @neigh) {
2087 my ($path, $origin) = @$_;
1491 my $neigh = find @$_ 2088 my $neigh = find $path, $origin
1492 or next; 2089 or next;
1493 $neigh->load; 2090 $neigh->load;
1494 } 2091 }
1495} 2092}
1496 2093
1501} 2098}
1502 2099
1503sub do_load_sync { 2100sub do_load_sync {
1504 my ($map) = @_; 2101 my ($map) = @_;
1505 2102
2103 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2104 if $Coro::current == $Coro::main;
2105
1506 cf::sync_job { $map->load }; 2106 cf::sync_job { $map->load };
1507} 2107}
1508 2108
1509our %MAP_PREFETCH; 2109our %MAP_PREFETCH;
1510our $MAP_PREFETCHER = undef; 2110our $MAP_PREFETCHER = undef;
1511 2111
1512sub find_async { 2112sub find_async {
1513 my ($path, $origin) = @_; 2113 my ($path, $origin, $load) = @_;
1514 2114
1515 $path = normalise $path, $origin && $origin->{path}; 2115 $path = normalise $path, $origin && $origin->{path};
1516 2116
1517 if (my $map = $cf::MAP{$path}) { 2117 if (my $map = $cf::MAP{$path}) {
1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2118 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519 } 2119 }
1520 2120
1521 undef $MAP_PREFETCH{$path}; 2121 $MAP_PREFETCH{$path} |= $load;
2122
1522 $MAP_PREFETCHER ||= cf::async { 2123 $MAP_PREFETCHER ||= cf::async {
2124 $Coro::current->{desc} = "map prefetcher";
2125
1523 while (%MAP_PREFETCH) { 2126 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) { 2127 while (my ($k, $v) = each %MAP_PREFETCH) {
1525 my $map = find $path 2128 if (my $map = find $k) {
1526 or next;
1527 $map->load; 2129 $map->load if $v;
2130 }
1528 2131
1529 delete $MAP_PREFETCH{$path}; 2132 delete $MAP_PREFETCH{$k};
1530 } 2133 }
1531 } 2134 }
1532 undef $MAP_PREFETCHER; 2135 undef $MAP_PREFETCHER;
1533 }; 2136 };
1534 $MAP_PREFETCHER->prio (6); 2137 $MAP_PREFETCHER->prio (6);
1537} 2140}
1538 2141
1539sub save { 2142sub save {
1540 my ($self) = @_; 2143 my ($self) = @_;
1541 2144
1542 my $lock = cf::lock_acquire "map_data:" . $self->path; 2145 my $lock = cf::lock_acquire "map_data:$self->{path}";
1543 2146
1544 $self->{last_save} = $cf::RUNTIME; 2147 $self->{last_save} = $cf::RUNTIME;
1545 2148
1546 return unless $self->dirty; 2149 return unless $self->dirty;
1547 2150
1553 return if $self->{deny_save}; 2156 return if $self->{deny_save};
1554 2157
1555 local $self->{last_access} = $self->last_access;#d# 2158 local $self->{last_access} = $self->last_access;#d#
1556 2159
1557 cf::async { 2160 cf::async {
2161 $Coro::current->{desc} = "map player save";
1558 $_->contr->save for $self->players; 2162 $_->contr->save for $self->players;
1559 }; 2163 };
1560 2164
1561 if ($uniq) { 2165 if ($uniq) {
1562 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2166 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1570 my ($self) = @_; 2174 my ($self) = @_;
1571 2175
1572 # save first because save cedes 2176 # save first because save cedes
1573 $self->save; 2177 $self->save;
1574 2178
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2179 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2180
1577 return if $self->players; 2181 return if $self->players;
1578 return if $self->in_memory != cf::MAP_IN_MEMORY; 2182 return if $self->in_memory != cf::MAP_IN_MEMORY;
1579 return if $self->{deny_save}; 2183 return if $self->{deny_save};
1580 2184
2185 $self->in_memory (cf::MAP_SWAPPED);
2186
2187 $self->deactivate;
2188 $_->clear_links_to ($self) for values %cf::MAP;
1581 $self->clear; 2189 $self->clear;
1582 $self->in_memory (cf::MAP_SWAPPED);
1583} 2190}
1584 2191
1585sub reset_at { 2192sub reset_at {
1586 my ($self) = @_; 2193 my ($self) = @_;
1587 2194
1588 # TODO: safety, remove and allow resettable per-player maps 2195 # TODO: safety, remove and allow resettable per-player maps
1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1590 return 1e99 if $self->{deny_reset}; 2196 return 1e99 if $self->{deny_reset};
1591 2197
1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2198 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2199 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594 2200
1605 my ($self) = @_; 2211 my ($self) = @_;
1606 2212
1607 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2213 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2214
1609 return if $self->players; 2215 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d#
1611 2216
1612 warn "resetting map ", $self->path;#d# 2217 warn "resetting map ", $self->path;
1613 2218
1614 $self->in_memory (cf::MAP_SWAPPED); 2219 $self->in_memory (cf::MAP_SWAPPED);
1615 2220
1616 # need to save uniques path 2221 # need to save uniques path
1617 unless ($self->{deny_save}) { 2222 unless ($self->{deny_save}) {
1621 if $uniq; 2226 if $uniq;
1622 } 2227 }
1623 2228
1624 delete $cf::MAP{$self->path}; 2229 delete $cf::MAP{$self->path};
1625 2230
2231 $self->deactivate;
2232 $_->clear_links_to ($self) for values %cf::MAP;
1626 $self->clear; 2233 $self->clear;
1627
1628 $_->clear_links_to ($self) for values %cf::MAP;
1629 2234
1630 $self->unlink_save; 2235 $self->unlink_save;
1631 $self->destroy; 2236 $self->destroy;
1632} 2237}
1633 2238
1634my $nuke_counter = "aaaa"; 2239my $nuke_counter = "aaaa";
1635 2240
1636sub nuke { 2241sub nuke {
1637 my ($self) = @_; 2242 my ($self) = @_;
1638 2243
2244 {
2245 my $lock = cf::lock_acquire "map_data:$self->{path}";
2246
1639 delete $cf::MAP{$self->path}; 2247 delete $cf::MAP{$self->path};
1640 2248
1641 $self->unlink_save; 2249 $self->unlink_save;
1642 2250
1643 bless $self, "cf::map"; 2251 bless $self, "cf::map";
1644 delete $self->{deny_reset}; 2252 delete $self->{deny_reset};
1645 $self->{deny_save} = 1; 2253 $self->{deny_save} = 1;
1646 $self->reset_timeout (1); 2254 $self->reset_timeout (1);
1647 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2255 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648 2256
1649 $cf::MAP{$self->path} = $self; 2257 $cf::MAP{$self->path} = $self;
2258 }
1650 2259
1651 $self->reset; # polite request, might not happen 2260 $self->reset; # polite request, might not happen
2261}
2262
2263=item $maps = cf::map::tmp_maps
2264
2265Returns an arrayref with all map paths of currently instantiated and saved
2266maps. May block.
2267
2268=cut
2269
2270sub tmp_maps() {
2271 [
2272 map {
2273 utf8::decode $_;
2274 /\.map$/
2275 ? normalise $_
2276 : ()
2277 } @{ aio_readdir $TMPDIR or [] }
2278 ]
2279}
2280
2281=item $maps = cf::map::random_maps
2282
2283Returns an arrayref with all map paths of currently instantiated and saved
2284random maps. May block.
2285
2286=cut
2287
2288sub random_maps() {
2289 [
2290 map {
2291 utf8::decode $_;
2292 /\.map$/
2293 ? normalise "?random/$_"
2294 : ()
2295 } @{ aio_readdir $RANDOMDIR or [] }
2296 ]
1652} 2297}
1653 2298
1654=item cf::map::unique_maps 2299=item cf::map::unique_maps
1655 2300
1656Returns an arrayref of paths of all shared maps that have 2301Returns an arrayref of paths of all shared maps that have
1657instantiated unique items. May block. 2302instantiated unique items. May block.
1658 2303
1659=cut 2304=cut
1660 2305
1661sub unique_maps() { 2306sub unique_maps() {
1662 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2307 [
1663 or return; 2308 map {
1664
1665 my @paths;
1666
1667 for (@$files) {
1668 utf8::decode $_; 2309 utf8::decode $_;
1669 next if /\.pst$/; 2310 /\.map$/
1670 next unless /^$PATH_SEP/o; 2311 ? normalise $_
1671 2312 : ()
1672 push @paths, cf::map::normalise $_; 2313 } @{ aio_readdir $UNIQUEDIR or [] }
1673 } 2314 ]
1674
1675 \@paths
1676} 2315}
1677 2316
1678package cf; 2317package cf;
1679 2318
1680=back 2319=back
1698 map { $_, inv_recursive_ $_->inv } @_ 2337 map { $_, inv_recursive_ $_->inv } @_
1699} 2338}
1700 2339
1701sub inv_recursive { 2340sub inv_recursive {
1702 inv_recursive_ inv $_[0] 2341 inv_recursive_ inv $_[0]
2342}
2343
2344=item $ref = $ob->ref
2345
2346creates and returns a persistent reference to an objetc that can be stored as a string.
2347
2348=item $ob = cf::object::deref ($refstring)
2349
2350returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351even if the object actually exists. May block.
2352
2353=cut
2354
2355sub deref {
2356 my ($ref) = @_;
2357
2358 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2359 my ($uuid, $name) = ($1, $2);
2360 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2361 or return;
2362 $pl->ob->uuid eq $uuid
2363 or return;
2364
2365 $pl->ob
2366 } else {
2367 warn "$ref: cannot resolve object reference\n";
2368 undef
2369 }
1703} 2370}
1704 2371
1705package cf; 2372package cf;
1706 2373
1707=back 2374=back
1726 2393
1727 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2394 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728 2395
1729 if ($self->{record_replies}) { 2396 if ($self->{record_replies}) {
1730 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2397 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2398
1731 } else { 2399 } else {
2400 my $pl = $self->contr;
2401
2402 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2403 my $dialog = $pl->{npc_dialog};
2404 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405
2406 } else {
1732 $msg = $npc->name . " says: $msg" if $npc; 2407 $msg = $npc->name . " says: $msg" if $npc;
1733 $self->message ($msg, $flags); 2408 $self->message ($msg, $flags);
2409 }
1734 } 2410 }
2411}
2412
2413=item $object->send_msg ($channel, $msg, $color, [extra...])
2414
2415=cut
2416
2417sub cf::object::send_msg {
2418 my $pl = shift->contr
2419 or return;
2420 $pl->send_msg (@_);
1735} 2421}
1736 2422
1737=item $player_object->may ("access") 2423=item $player_object->may ("access")
1738 2424
1739Returns wether the given player is authorized to access resource "access" 2425Returns wether the given player is authorized to access resource "access"
1786 $self->deactivate_recursive; 2472 $self->deactivate_recursive;
1787 2473
1788 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2474 return if UNIVERSAL::isa $self->map, "ext::map_link";
1789 2475
1790 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2476 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791 if $self->map; 2477 if $self->map && $self->map->{path} ne "{link}";
1792 2478
1793 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2479 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1794} 2480}
1795 2481
1796sub cf::object::player::leave_link { 2482sub cf::object::player::leave_link {
1797 my ($self, $map, $x, $y) = @_; 2483 my ($self, $map, $x, $y) = @_;
2484
2485 return unless $self->contr->active;
1798 2486
1799 my $link_pos = delete $self->{_link_pos}; 2487 my $link_pos = delete $self->{_link_pos};
1800 2488
1801 unless ($map) { 2489 unless ($map) {
1802 # restore original map position 2490 # restore original map position
1816 # use -1 or undef as default coordinates, not 0, 0 2504 # use -1 or undef as default coordinates, not 0, 0
1817 ($x, $y) = ($map->enter_x, $map->enter_y) 2505 ($x, $y) = ($map->enter_x, $map->enter_y)
1818 if $x <=0 && $y <= 0; 2506 if $x <=0 && $y <= 0;
1819 2507
1820 $map->load; 2508 $map->load;
1821 $map->load_diag; 2509 $map->load_neighbours;
1822 2510
1823 return unless $self->contr->active; 2511 return unless $self->contr->active;
1824 $self->activate_recursive; 2512 $self->activate_recursive;
1825 2513
1826 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2514 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 2515 $self->enter_map ($map, $x, $y);
1828} 2516}
1829 2517
1830cf::player->attach ( 2518=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831 on_logout => sub {
1832 my ($pl) = @_;
1833 2519
1834 # abort map switching before logout 2520Moves the player to the given map-path and coordinates by first freezing
1835 if ($pl->ob->{_link_pos}) { 2521her, loading and preparing them map, calling the provided $check callback
1836 cf::sync_job { 2522that has to return the map if sucecssful, and then unfreezes the player on
1837 $pl->ob->leave_link 2523the new (success) or old (failed) map position. In either case, $done will
1838 }; 2524be called at the end of this process.
1839 }
1840 },
1841 on_login => sub {
1842 my ($pl) = @_;
1843 2525
1844 # try to abort aborted map switching on player login :)
1845 # should happen only on crashes
1846 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link;
1848 (async {
1849 $pl->ob->reply (undef,
1850 "There was an internal problem at your last logout, "
1851 . "the server will try to bring you to your intended destination in a second.",
1852 cf::NDI_RED);
1853 # we need this sleep as the login has a concurrent enter_exit running
1854 # and this sleep increases chances of the player not ending up in scorn
1855 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link;
1857 })->prio (2);
1858 }
1859 },
1860);
1861
1862=item $player_object->goto ($path, $x, $y)
1863
1864=cut 2526=cut
2527
2528our $GOTOGEN;
1865 2529
1866sub cf::object::player::goto { 2530sub cf::object::player::goto {
1867 my ($self, $path, $x, $y) = @_; 2531 my ($self, $path, $x, $y, $check, $done) = @_;
2532
2533 # do generation counting so two concurrent goto's will be executed in-order
2534 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868 2535
1869 $self->enter_link; 2536 $self->enter_link;
1870 2537
1871 (async { 2538 (async {
2539 $Coro::current->{desc} = "player::goto $path $x $y";
2540
2541 # *tag paths override both path and x|y
2542 if ($path =~ /^\*(.*)$/) {
2543 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2544 my $ob = $obs[rand @obs];
2545
2546 # see if we actually can go there
2547 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2548 $ob = $obs[rand @obs];
2549 } else {
2550 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2551 }
2552 # else put us there anyways for now #d#
2553
2554 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2555 } else {
2556 ($path, $x, $y) = (undef, undef, undef);
2557 }
2558 }
2559
1872 my $map = eval { 2560 my $map = eval {
1873 my $map = cf::map::find $path; 2561 my $map = defined $path ? cf::map::find $path : undef;
2562
2563 if ($map) {
1874 $map = $map->customise_for ($self) if $map; 2564 $map = $map->customise_for ($self);
2565 $map = $check->($map) if $check && $map;
2566 } else {
2567 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2568 }
2569
1875 $map 2570 $map
2571 };
2572
2573 if ($@) {
2574 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2575 LOG llevError | logBacktrace, Carp::longmess $@;
1876 } or 2576 }
1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878 2577
2578 if ($gen == $self->{_goto_generation}) {
2579 delete $self->{_goto_generation};
1879 $self->leave_link ($map, $x, $y); 2580 $self->leave_link ($map, $x, $y);
2581 }
2582
2583 $done->() if $done;
1880 })->prio (1); 2584 })->prio (1);
1881} 2585}
1882 2586
1883=item $player_object->enter_exit ($exit_object) 2587=item $player_object->enter_exit ($exit_object)
1884 2588
1923 2627
1924 $rmp->{random_seed} ||= $exit->random_seed; 2628 $rmp->{random_seed} ||= $exit->random_seed;
1925 2629
1926 my $data = cf::to_json $rmp; 2630 my $data = cf::to_json $rmp;
1927 my $md5 = Digest::MD5::md5_hex $data; 2631 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2632 my $meta = "$RANDOMDIR/$md5.meta";
1929 2633
1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2634 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931 aio_write $fh, 0, (length $data), $data, 0; 2635 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh; 2636 undef $fh;
1933 aio_rename "$meta~", $meta; 2637 aio_rename "$meta~", $meta;
1942 2646
1943 return unless $self->type == cf::PLAYER; 2647 return unless $self->type == cf::PLAYER;
1944 2648
1945 if ($exit->slaying eq "/!") { 2649 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job 2650 #TODO: this should de-fi-ni-te-ly not be a sync-job
2651 # the problem is that $exit might not survive long enough
2652 # so it needs to be done right now, right here
1947 cf::sync_job { prepare_random_map $exit }; 2653 cf::sync_job { prepare_random_map $exit };
1948 } 2654 }
1949 2655
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2656 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp; 2657 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp; 2658 my $sp = $exit->stats->sp;
1953 2659
1954 $self->enter_link; 2660 $self->enter_link;
1955 2661
2662 # if exit is damned, update players death & WoR home-position
2663 $self->contr->savebed ($slaying, $hp, $sp)
2664 if $exit->flag (FLAG_DAMNED);
2665
1956 (async { 2666 (async {
2667 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2668
1957 $self->deactivate_recursive; # just to be sure 2669 $self->deactivate_recursive; # just to be sure
1958 unless (eval { 2670 unless (eval {
1959 $self->goto ($slaying, $hp, $sp); 2671 $self->goto ($slaying, $hp, $sp);
1960 2672
1961 1; 2673 1;
1962 }) { 2674 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2675 $self->message ("Something went wrong deep within the crossfire server. "
1964 . "I'll try to bring you back to the map you were before. " 2676 . "I'll try to bring you back to the map you were before. "
1965 . "Please report this to the dungeon master!", 2677 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2678 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2679
1968 warn "ERROR in enter_exit: $@"; 2680 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2681 $self->leave_link;
1970 } 2682 }
1971 })->prio (1); 2683 })->prio (1);
1987 2699
1988 utf8::encode $text; 2700 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2701 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2702}
1991 2703
2704=item $client->send_msg ($channel, $msg, $color, [extra...])
2705
2706Send a drawinfo or msg packet to the client, formatting the msg for the
2707client if neccessary. C<$type> should be a string identifying the type of
2708the message, with C<log> being the default. If C<$color> is negative, suppress
2709the message unless the client supports the msg packet.
2710
2711=cut
2712
2713# non-persistent channels (usually the info channel)
2714our %CHANNEL = (
2715 "c/identify" => {
2716 id => "infobox",
2717 title => "Identify",
2718 reply => undef,
2719 tooltip => "Items recently identified",
2720 },
2721 "c/examine" => {
2722 id => "infobox",
2723 title => "Examine",
2724 reply => undef,
2725 tooltip => "Signs and other items you examined",
2726 },
2727 "c/book" => {
2728 id => "infobox",
2729 title => "Book",
2730 reply => undef,
2731 tooltip => "The contents of a note or book",
2732 },
2733 "c/lookat" => {
2734 id => "infobox",
2735 title => "Look",
2736 reply => undef,
2737 tooltip => "What you saw there",
2738 },
2739 "c/who" => {
2740 id => "infobox",
2741 title => "Players",
2742 reply => undef,
2743 tooltip => "Shows players who are currently online",
2744 },
2745 "c/body" => {
2746 id => "infobox",
2747 title => "Body Parts",
2748 reply => undef,
2749 tooltip => "Shows which body parts you posess and are available",
2750 },
2751 "c/uptime" => {
2752 id => "infobox",
2753 title => "Uptime",
2754 reply => undef,
2755 tooltip => "How long the server has been running since last restart",
2756 },
2757 "c/mapinfo" => {
2758 id => "infobox",
2759 title => "Map Info",
2760 reply => undef,
2761 tooltip => "Information related to the maps",
2762 },
2763);
2764
2765sub cf::client::send_msg {
2766 my ($self, $channel, $msg, $color, @extra) = @_;
2767
2768 $msg = $self->pl->expand_cfpod ($msg);
2769
2770 $color &= cf::NDI_CLIENT_MASK; # just in case...
2771
2772 # check predefined channels, for the benefit of C
2773 if ($CHANNEL{$channel}) {
2774 $channel = $CHANNEL{$channel};
2775
2776 $self->ext_msg (channel_info => $channel)
2777 if $self->can_msg;
2778
2779 $channel = $channel->{id};
2780
2781 } elsif (ref $channel) {
2782 # send meta info to client, if not yet sent
2783 unless (exists $self->{channel}{$channel->{id}}) {
2784 $self->{channel}{$channel->{id}} = $channel;
2785 $self->ext_msg (channel_info => $channel)
2786 if $self->can_msg;
2787 }
2788
2789 $channel = $channel->{id};
2790 }
2791
2792 return unless @extra || length $msg;
2793
2794 if ($self->can_msg) {
2795 # default colour, mask it out
2796 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797 if $color & cf::NDI_DEF;
2798
2799 $self->send_packet ("msg " . $self->{json_coder}->encode (
2800 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2801 } else {
2802 if ($color >= 0) {
2803 # replace some tags by gcfclient-compatible ones
2804 for ($msg) {
2805 1 while
2806 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811 }
2812
2813 $color &= cf::NDI_COLOR_MASK;
2814
2815 utf8::encode $msg;
2816
2817 if (0 && $msg =~ /\[/) {
2818 # COMMAND/INFO
2819 $self->send_packet ("drawextinfo $color 10 8 $msg")
2820 } else {
2821 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822 $self->send_packet ("drawinfo $color $msg")
2823 }
2824 }
2825 }
2826}
2827
2828=item $client->ext_msg ($type, @msg)
2829
2830Sends an ext event to the client.
2831
2832=cut
2833
2834sub cf::client::ext_msg($$@) {
2835 my ($self, $type, @msg) = @_;
2836
2837 if ($self->extcmd == 2) {
2838 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839 } elsif ($self->extcmd == 1) { # TODO: remove
2840 push @msg, msgtype => "event_$type";
2841 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2842 }
2843}
2844
2845=item $client->ext_reply ($msgid, @msg)
2846
2847Sends an ext reply to the client.
2848
2849=cut
2850
2851sub cf::client::ext_reply($$@) {
2852 my ($self, $id, @msg) = @_;
2853
2854 if ($self->extcmd == 2) {
2855 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2856 } elsif ($self->extcmd == 1) {
2857 #TODO: version 1, remove
2858 unshift @msg, msgtype => "reply", msgid => $id;
2859 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2860 }
2861}
1992 2862
1993=item $success = $client->query ($flags, "text", \&cb) 2863=item $success = $client->query ($flags, "text", \&cb)
1994 2864
1995Queues a query to the client, calling the given callback with 2865Queues a query to the client, calling the given callback with
1996the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2866the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2867C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998 2868
1999Queries can fail, so check the return code. Or don't, as queries will become 2869Queries can fail, so check the return code. Or don't, as queries will
2000reliable at some point in the future. 2870become reliable at some point in the future.
2001 2871
2002=cut 2872=cut
2003 2873
2004sub cf::client::query { 2874sub cf::client::query {
2005 my ($self, $flags, $text, $cb) = @_; 2875 my ($self, $flags, $text, $cb) = @_;
2013 utf8::encode $text; 2883 utf8::encode $text;
2014 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2884 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015 2885
2016 $self->send_packet ($self->{query_queue}[0][0]) 2886 $self->send_packet ($self->{query_queue}[0][0])
2017 if @{ $self->{query_queue} } == 1; 2887 if @{ $self->{query_queue} } == 1;
2888
2889 1
2018} 2890}
2019 2891
2020cf::client->attach ( 2892cf::client->attach (
2893 on_connect => sub {
2894 my ($ns) = @_;
2895
2896 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2897 },
2021 on_reply => sub { 2898 on_reply => sub {
2022 my ($ns, $msg) = @_; 2899 my ($ns, $msg) = @_;
2023 2900
2024 # this weird shuffling is so that direct followup queries 2901 # this weird shuffling is so that direct followup queries
2025 # get handled first 2902 # get handled first
2037 } else { 2914 } else {
2038 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2915 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039 } 2916 }
2040 } 2917 }
2041 }, 2918 },
2919 on_exticmd => sub {
2920 my ($ns, $buf) = @_;
2921
2922 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2923
2924 if (ref $msg) {
2925 my ($type, $reply, @payload) =
2926 "ARRAY" eq ref $msg
2927 ? @$msg
2928 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2929
2930 my @reply;
2931
2932 if (my $cb = $EXTICMD{$type}) {
2933 @reply = $cb->($ns, @payload);
2934 }
2935
2936 $ns->ext_reply ($reply, @reply)
2937 if $reply;
2938
2939 } else {
2940 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2941 }
2942
2943 cf::override;
2944 },
2042); 2945);
2043 2946
2044=item $client->async (\&cb) 2947=item $client->async (\&cb)
2045 2948
2046Create a new coroutine, running the specified callback. The coroutine will 2949Create a new coroutine, running the specified callback. The coroutine will
2087our $safe = new Safe "safe"; 2990our $safe = new Safe "safe";
2088our $safe_hole = new Safe::Hole; 2991our $safe_hole = new Safe::Hole;
2089 2992
2090$SIG{FPE} = 'IGNORE'; 2993$SIG{FPE} = 'IGNORE';
2091 2994
2092$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2995$safe->permit_only (Opcode::opset qw(
2996 :base_core :base_mem :base_orig :base_math
2997 grepstart grepwhile mapstart mapwhile
2998 sort time
2999));
2093 3000
2094# here we export the classes and methods available to script code 3001# here we export the classes and methods available to script code
2095 3002
2096=pod 3003=pod
2097 3004
2098The following functions and methods are available within a safe environment: 3005The following functions and methods are available within a safe environment:
2099 3006
2100 cf::object contr pay_amount pay_player map 3007 cf::object
3008 contr pay_amount pay_player map x y force_find force_add destroy
3009 insert remove name archname title slaying race decrease_ob_nr
3010
2101 cf::object::player player 3011 cf::object::player
2102 cf::player peaceful 3012 player
2103 cf::map trigger 3013
3014 cf::player
3015 peaceful
3016
3017 cf::map
3018 trigger
2104 3019
2105=cut 3020=cut
2106 3021
2107for ( 3022for (
2108 ["cf::object" => qw(contr pay_amount pay_player map)], 3023 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024 insert remove inv name archname title slaying race
3025 decrease_ob_nr destroy)],
2109 ["cf::object::player" => qw(player)], 3026 ["cf::object::player" => qw(player)],
2110 ["cf::player" => qw(peaceful)], 3027 ["cf::player" => qw(peaceful)],
2111 ["cf::map" => qw(trigger)], 3028 ["cf::map" => qw(trigger)],
2112) { 3029) {
2113 no strict 'refs'; 3030 no strict 'refs';
2184=back 3101=back
2185 3102
2186=cut 3103=cut
2187 3104
2188############################################################################# 3105#############################################################################
2189
2190=head2 EXTENSION DATABASE SUPPORT
2191
2192Crossfire maintains a very simple database for extension use. It can
2193currently store anything that can be serialised using Storable, which
2194excludes objects.
2195
2196The parameter C<$family> should best start with the name of the extension
2197using it, it should be unique.
2198
2199=over 4
2200
2201=item $value = cf::db_get $family => $key
2202
2203Returns a single value from the database.
2204
2205=item cf::db_put $family => $key => $value
2206
2207Stores the given C<$value> in the family.
2208
2209=cut
2210
2211our $DB;
2212
2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2232
2233 cf::db_put (board => data => $pst->{board});
2234 cf::db_put (guildrules => data => $pst->{guildrules});
2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238 unlink $path;
2239 };
2240 }
2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259
2260#############################################################################
2261# the server's init and main functions 3106# the server's init and main functions
2262 3107
2263sub load_faces { 3108sub load_facedata($) {
2264 my $path = sprintf "%s/faces", cf::datadir; 3109 my ($path) = @_;
2265 3110
3111 # HACK to clear player env face cache, we need some signal framework
3112 # for this (global event?)
3113 %ext::player_env::MUSIC_FACE_CACHE = ();
3114
3115 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3116
2266 warn "loading faces from $path\n"; 3117 warn "loading facedata from $path\n";
2267 3118
2268 my $faces; 3119 my $facedata;
2269 0 < aio_load $path, $faces 3120 0 < aio_load $path, $facedata
2270 or die "$path: $!"; 3121 or die "$path: $!";
2271 3122
2272 Coro::cede;
2273 $faces = Storable::thaw $faces; 3123 $facedata = Coro::Storable::thaw $facedata;
2274 Coro::cede;
2275 3124
2276 my $meta = delete $faces->{""};
2277 $meta->{version} == 1 3125 $facedata->{version} == 2
2278 or cf::cleanup "$path: version mismatch, cannot proceed."; 3126 or cf::cleanup "$path: version mismatch, cannot proceed.";
2279 3127
3128 # patch in the exptable
3129 $facedata->{resource}{"res/exp_table"} = {
3130 type => FT_RSRC,
3131 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3132 };
3133 cf::cede_to_tick;
3134
3135 {
3136 my $faces = $facedata->{faceinfo};
3137
2280 while (my ($face, $info) = each %$faces) { 3138 while (my ($face, $info) = each %$faces) {
2281 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3139 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3140 cf::face::set_visibility $idx, $info->{visibility};
3141 cf::face::set_magicmap $idx, $info->{magicmap};
2283 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3142 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284 Coro::cede; 3143 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285 }
2286 3144
3145 cf::cede_to_tick;
3146 }
3147
2287 while (my ($face, $info) = each %$faces) { 3148 while (my ($face, $info) = each %$faces) {
2288 next unless $info->{smooth}; 3149 next unless $info->{smooth};
2289 my $idx = cf::face::find $face 3150 my $idx = cf::face::find $face
2290 or next; 3151 or next;
2291 if (my $smooth = cf::face::find $info->{smooth}) { 3152 if (my $smooth = cf::face::find $info->{smooth}) {
2292 cf::face::set_smooth $idx, $smooth; 3153 cf::face::set_smooth $idx, $smooth;
3154 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293 } else { 3155 } else {
2294 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3156 warn "smooth face '$info->{smooth}' not found for face '$face'";
2295 } 3157 }
2296 Coro::cede; 3158
3159 cf::cede_to_tick;
3160 }
3161 }
3162
3163 {
3164 my $anims = $facedata->{animinfo};
3165
3166 while (my ($anim, $info) = each %$anims) {
3167 cf::anim::set $anim, $info->{frames}, $info->{facings};
3168 cf::cede_to_tick;
3169 }
3170
3171 cf::anim::invalidate_all; # d'oh
3172 }
3173
3174 {
3175 # TODO: for gcfclient pleasure, we should give resources
3176 # that gcfclient doesn't grok a >10000 face index.
3177 my $res = $facedata->{resource};
3178
3179 my $soundconf = delete $res->{"res/sound.conf"};
3180
3181 while (my ($name, $info) = each %$res) {
3182 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183 my $data;
3184
3185 if ($info->{type} & 1) {
3186 # prepend meta info
3187
3188 my $meta = $enc->encode ({
3189 name => $name,
3190 %{ $info->{meta} || {} },
3191 });
3192
3193 $data = pack "(w/a*)*", $meta, $info->{data};
3194 } else {
3195 $data = $info->{data};
3196 }
3197
3198 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199 cf::face::set_type $idx, $info->{type};
3200
3201 cf::cede_to_tick;
3202 }
3203
3204 if ($soundconf) {
3205 $soundconf = $enc->decode (delete $soundconf->{data});
3206
3207 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208 my $sound = $soundconf->{compat}[$_]
3209 or next;
3210
3211 my $face = cf::face::find "sound/$sound->[1]";
3212 cf::sound::set $sound->[0] => $face;
3213 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214 }
3215
3216 while (my ($k, $v) = each %{$soundconf->{event}}) {
3217 my $face = cf::face::find "sound/$v";
3218 cf::sound::set $k => $face;
3219 }
3220 }
2297 } 3221 }
2298 3222
2299 1 3223 1
2300} 3224}
2301 3225
3226register_exticmd fx_want => sub {
3227 my ($ns, $want) = @_;
3228
3229 while (my ($k, $v) = each %$want) {
3230 $ns->fx_want ($k, $v);
3231 }
3232};
3233
3234sub reload_regions {
3235 # HACK to clear player env face cache, we need some signal framework
3236 # for this (global event?)
3237 %ext::player_env::MUSIC_FACE_CACHE = ();
3238
3239 load_resource_file "$MAPDIR/regions"
3240 or die "unable to load regions file\n";
3241
3242 for (cf::region::list) {
3243 $_->{match} = qr/$_->{match}/
3244 if exists $_->{match};
3245 }
3246}
3247
3248sub reload_facedata {
3249 load_facedata "$DATADIR/facedata"
3250 or die "unable to load facedata\n";
3251}
3252
3253sub reload_archetypes {
3254 load_resource_file "$DATADIR/archetypes"
3255 or die "unable to load archetypes\n";
3256 #d# NEED to laod twice to resolve forward references
3257 # this really needs to be done in an extra post-pass
3258 # (which needs to be synchronous, so solve it differently)
3259 load_resource_file "$DATADIR/archetypes"
3260 or die "unable to load archetypes\n";
3261}
3262
3263sub reload_treasures {
3264 load_resource_file "$DATADIR/treasures"
3265 or die "unable to load treasurelists\n";
3266}
3267
2302sub reload_resources { 3268sub reload_resources {
2303 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3269 warn "reloading resource files...\n";
2304 or die "unable to load regions file\n";#d# 3270
3271 reload_regions;
2305 load_faces 3272 reload_facedata;
2306 or die "unable to load faces\n";#d# 3273 #reload_archetypes;#d#
3274 reload_archetypes;
3275 reload_treasures;
3276
3277 warn "finished reloading resource files\n";
2307} 3278}
2308 3279
2309sub init { 3280sub init {
2310 reload_resources; 3281 reload_resources;
2311} 3282}
2312 3283
2313sub cfg_load { 3284sub reload_config {
2314 open my $fh, "<:utf8", cf::confdir . "/config" 3285 open my $fh, "<:utf8", "$CONFDIR/config"
2315 or return; 3286 or return;
2316 3287
2317 local $/; 3288 local $/;
2318 *CFG = YAML::Syck::Load <$fh>; 3289 *CFG = YAML::Syck::Load <$fh>;
2319 3290
2334sub main { 3305sub main {
2335 # we must not ever block the main coroutine 3306 # we must not ever block the main coroutine
2336 local $Coro::idle = sub { 3307 local $Coro::idle = sub {
2337 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3308 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338 (async { 3309 (async {
3310 $Coro::current->{desc} = "IDLE BUG HANDLER";
2339 Event::one_event; 3311 Event::one_event;
2340 })->prio (Coro::PRIO_MAX); 3312 })->prio (Coro::PRIO_MAX);
2341 }; 3313 };
2342 3314
2343 cfg_load; 3315 reload_config;
2344 db_init; 3316 db_init;
2345 load_extensions; 3317 load_extensions;
2346 3318
2347 $TICK_WATCHER->start; 3319 $TICK_WATCHER->start;
2348 Event::loop; 3320 Event::loop;
2364 }, 3336 },
2365 ); 3337 );
2366 } 3338 }
2367} 3339}
2368 3340
3341sub write_runtime {
3342 my $runtime = "$LOCALDIR/runtime";
3343
3344 # first touch the runtime file to show we are still running:
3345 # the fsync below can take a very very long time.
3346
3347 IO::AIO::aio_utime $runtime, undef, undef;
3348
3349 my $guard = cf::lock_acquire "write_runtime";
3350
3351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3352 or return;
3353
3354 my $value = $cf::RUNTIME + 90 + 10;
3355 # 10 is the runtime save interval, for a monotonic clock
3356 # 60 allows for the watchdog to kill the server.
3357
3358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3359 and return;
3360
3361 # always fsync - this file is important
3362 aio_fsync $fh
3363 and return;
3364
3365 # touch it again to show we are up-to-date
3366 aio_utime $fh, undef, undef;
3367
3368 close $fh
3369 or return;
3370
3371 aio_rename "$runtime~", $runtime
3372 and return;
3373
3374 warn "runtime file written.\n";
3375
3376 1
3377}
3378
2369sub emergency_save() { 3379sub emergency_save() {
2370 my $freeze_guard = cf::freeze_mainloop; 3380 my $freeze_guard = cf::freeze_mainloop;
2371 3381
2372 warn "enter emergency perl save\n"; 3382 warn "enter emergency perl save\n";
2373 3383
2377 # and maps saved/destroyed asynchronously. 3387 # and maps saved/destroyed asynchronously.
2378 warn "begin emergency player save\n"; 3388 warn "begin emergency player save\n";
2379 for my $login (keys %cf::PLAYER) { 3389 for my $login (keys %cf::PLAYER) {
2380 my $pl = $cf::PLAYER{$login} or next; 3390 my $pl = $cf::PLAYER{$login} or next;
2381 $pl->valid or next; 3391 $pl->valid or next;
3392 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382 $pl->save; 3393 $pl->save;
2383 } 3394 }
2384 warn "end emergency player save\n"; 3395 warn "end emergency player save\n";
2385 3396
2386 warn "begin emergency map save\n"; 3397 warn "begin emergency map save\n";
2404 3415
2405 warn Carp::longmess "post_cleanup backtrace" 3416 warn Carp::longmess "post_cleanup backtrace"
2406 if $make_core; 3417 if $make_core;
2407} 3418}
2408 3419
2409sub reload() { 3420sub do_reload_perl() {
2410 # can/must only be called in main 3421 # can/must only be called in main
2411 if ($Coro::current != $Coro::main) { 3422 if ($Coro::current != $Coro::main) {
2412 warn "can only reload from main coroutine"; 3423 warn "can only reload from main coroutine";
2413 return; 3424 return;
2414 } 3425 }
2434 3445
2435 warn "flushing outstanding aio requests"; 3446 warn "flushing outstanding aio requests";
2436 for (;;) { 3447 for (;;) {
2437 BDB::flush; 3448 BDB::flush;
2438 IO::AIO::flush; 3449 IO::AIO::flush;
2439 Coro::cede; 3450 Coro::cede_notself;
2440 last unless IO::AIO::nreqs || BDB::nreqs; 3451 last unless IO::AIO::nreqs || BDB::nreqs;
2441 warn "iterate..."; 3452 warn "iterate...";
2442 } 3453 }
2443 3454
2444 ++$RELOAD; 3455 ++$RELOAD;
2448 %EXT_CORO = (); 3459 %EXT_CORO = ();
2449 3460
2450 warn "removing commands"; 3461 warn "removing commands";
2451 %COMMAND = (); 3462 %COMMAND = ();
2452 3463
2453 warn "removing ext commands"; 3464 warn "removing ext/exti commands";
2454 %EXTCMD = (); 3465 %EXTCMD = ();
3466 %EXTICMD = ();
2455 3467
2456 warn "unloading/nuking all extensions"; 3468 warn "unloading/nuking all extensions";
2457 for my $pkg (@EXTS) { 3469 for my $pkg (@EXTS) {
2458 warn "... unloading $pkg"; 3470 warn "... unloading $pkg";
2459 3471
2489 Symbol::delete_package "safe::$_" 3501 Symbol::delete_package "safe::$_"
2490 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3502 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491 3503
2492 warn "unloading cf.pm \"a bit\""; 3504 warn "unloading cf.pm \"a bit\"";
2493 delete $INC{"cf.pm"}; 3505 delete $INC{"cf.pm"};
3506 delete $INC{"cf/pod.pm"};
2494 3507
2495 # don't, removes xs symbols, too, 3508 # don't, removes xs symbols, too,
2496 # and global variables created in xs 3509 # and global variables created in xs
2497 #Symbol::delete_package __PACKAGE__; 3510 #Symbol::delete_package __PACKAGE__;
2498 3511
2501 warn "reloading cf.pm"; 3514 warn "reloading cf.pm";
2502 require cf; 3515 require cf;
2503 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3516 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504 3517
2505 warn "loading config and database again"; 3518 warn "loading config and database again";
2506 cf::cfg_load; 3519 cf::reload_config;
2507 3520
2508 warn "loading extensions"; 3521 warn "loading extensions";
2509 cf::load_extensions; 3522 cf::load_extensions;
2510 3523
2511 warn "reattaching attachments to objects/players"; 3524 warn "reattaching attachments to objects/players";
2513 warn "reattaching attachments to maps"; 3526 warn "reattaching attachments to maps";
2514 reattach $_ for values %MAP; 3527 reattach $_ for values %MAP;
2515 warn "reattaching attachments to players"; 3528 warn "reattaching attachments to players";
2516 reattach $_ for values %PLAYER; 3529 reattach $_ for values %PLAYER;
2517 3530
2518 warn "loading reloadable resources";
2519 reload_resources;
2520
2521 warn "leaving sync_job"; 3531 warn "leaving sync_job";
2522 3532
2523 1 3533 1
2524 } or do { 3534 } or do {
2525 warn $@; 3535 warn $@;
2530 warn "reloaded"; 3540 warn "reloaded";
2531}; 3541};
2532 3542
2533our $RELOAD_WATCHER; # used only during reload 3543our $RELOAD_WATCHER; # used only during reload
2534 3544
3545sub reload_perl() {
3546 # doing reload synchronously and two reloads happen back-to-back,
3547 # coro crashes during coro_state_free->destroy here.
3548
3549 $RELOAD_WATCHER ||= Event->timer (
3550 reentrant => 0,
3551 after => 0,
3552 data => WF_AUTOCANCEL,
3553 cb => sub {
3554 do_reload_perl;
3555 undef $RELOAD_WATCHER;
3556 },
3557 );
3558}
3559
2535register_command "reload" => sub { 3560register_command "reload" => sub {
2536 my ($who, $arg) = @_; 3561 my ($who, $arg) = @_;
2537 3562
2538 if ($who->flag (FLAG_WIZ)) { 3563 if ($who->flag (FLAG_WIZ)) {
2539 $who->message ("reloading server."); 3564 $who->message ("reloading server.");
2540 3565 async {
2541 # doing reload synchronously and two reloads happen back-to-back, 3566 $Coro::current->{desc} = "perl_reload";
2542 # coro crashes during coro_state_free->destroy here.
2543
2544 $RELOAD_WATCHER ||= Event->timer (
2545 reentrant => 0,
2546 after => 0,
2547 data => WF_AUTOCANCEL,
2548 cb => sub {
2549 reload; 3567 reload_perl;
2550 undef $RELOAD_WATCHER;
2551 },
2552 ); 3568 };
2553 } 3569 }
2554}; 3570};
2555 3571
2556unshift @INC, $LIBDIR; 3572unshift @INC, $LIBDIR;
2557 3573
2558my $bug_warning = 0; 3574my $bug_warning = 0;
3575
3576our @WAIT_FOR_TICK;
3577our @WAIT_FOR_TICK_BEGIN;
3578
3579sub wait_for_tick {
3580 return unless $TICK_WATCHER->is_active;
3581 return if $Coro::current == $Coro::main;
3582
3583 my $signal = new Coro::Signal;
3584 push @WAIT_FOR_TICK, $signal;
3585 $signal->wait;
3586}
3587
3588sub wait_for_tick_begin {
3589 return unless $TICK_WATCHER->is_active;
3590 return if $Coro::current == $Coro::main;
3591
3592 my $signal = new Coro::Signal;
3593 push @WAIT_FOR_TICK_BEGIN, $signal;
3594 $signal->wait;
3595}
2559 3596
2560$TICK_WATCHER = Event->timer ( 3597$TICK_WATCHER = Event->timer (
2561 reentrant => 0, 3598 reentrant => 0,
2562 parked => 1, 3599 parked => 1,
2563 prio => 0, 3600 prio => 0,
2568 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3605 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569 unless ++$bug_warning > 10; 3606 unless ++$bug_warning > 10;
2570 return; 3607 return;
2571 } 3608 }
2572 3609
2573 $NOW = Event::time; 3610 $NOW = $tick_start = Event::time;
2574 3611
2575 cf::server_tick; # one server iteration 3612 cf::server_tick; # one server iteration
3613
2576 $RUNTIME += $TICK; 3614 $RUNTIME += $TICK;
2577 $NEXT_TICK += $TICK; 3615 $NEXT_TICK += $TICK;
2578 3616
2579 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3617 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580 $NEXT_RUNTIME_WRITE = $NOW + 10; 3618 $NEXT_RUNTIME_WRITE = $NOW + 10;
2581 Coro::async_pool { 3619 Coro::async_pool {
3620 $Coro::current->{desc} = "runtime saver";
2582 write_runtime 3621 write_runtime
2583 or warn "ERROR: unable to write runtime file: $!"; 3622 or warn "ERROR: unable to write runtime file: $!";
2584 }; 3623 };
2585 } 3624 }
2586 3625
2587 $WAIT_FOR_TICK->broadcast; 3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2588 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3627 $sig->send;
3628 }
3629 while (my $sig = shift @WAIT_FOR_TICK) {
3630 $sig->send;
3631 }
2589 3632
2590# my $AFTER = Event::time; 3633 $NOW = Event::time;
2591# warn $AFTER - $NOW;#d#
2592 3634
2593 # if we are delayed by four ticks or more, skip them all 3635 # if we are delayed by four ticks or more, skip them all
2594 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3636 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595 3637
2596 $TICK_WATCHER->at ($NEXT_TICK); 3638 $TICK_WATCHER->at ($NEXT_TICK);
2597 $TICK_WATCHER->start; 3639 $TICK_WATCHER->start;
3640
3641 $LOAD = ($NOW - $tick_start) / $TICK;
3642 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643
3644 _post_tick;
2598 }, 3645 },
2599); 3646);
2600 3647
2601{ 3648{
3649 BDB::min_parallel 8;
2602 BDB::max_poll_time $TICK * 0.1; 3650 BDB::max_poll_time $TICK * 0.1;
2603 $BDB_POLL_WATCHER = Event->io ( 3651 $BDB_POLL_WATCHER = Event->io (
2604 reentrant => 0, 3652 reentrant => 0,
2605 fd => BDB::poll_fileno, 3653 fd => BDB::poll_fileno,
2606 poll => 'r', 3654 poll => 'r',
2607 prio => 0, 3655 prio => 0,
2608 data => WF_AUTOCANCEL, 3656 data => WF_AUTOCANCEL,
2609 cb => \&BDB::poll_cb, 3657 cb => \&BDB::poll_cb,
2610 ); 3658 );
2611 BDB::min_parallel 8;
2612 3659
2613 BDB::set_sync_prepare { 3660 BDB::set_sync_prepare {
2614 my $status; 3661 my $status;
2615 my $current = $Coro::current; 3662 my $current = $Coro::current;
2616 ( 3663 (
2625 ) 3672 )
2626 }; 3673 };
2627 3674
2628 unless ($DB_ENV) { 3675 unless ($DB_ENV) {
2629 $DB_ENV = BDB::db_env_create; 3676 $DB_ENV = BDB::db_env_create;
3677 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3678 | BDB::LOG_AUTOREMOVE, 1);
3679 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630 3681
2631 cf::sync_job { 3682 cf::sync_job {
2632 eval { 3683 eval {
2633 BDB::db_env_open 3684 BDB::db_env_open
2634 $DB_ENV, 3685 $DB_ENV,
2635 $BDB_ENV_DIR, 3686 $BDBDIR,
2636 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3687 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3688 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638 0666; 3689 0666;
2639 3690
2640 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3691 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643 $DB_ENV->set_lk_detect;
2644 }; 3692 };
2645 3693
2646 cf::cleanup "db_env_open(db): $@" if $@; 3694 cf::cleanup "db_env_open(db): $@" if $@;
2647 }; 3695 };
2648 } 3696 }
3697
3698 $BDB_DEADLOCK_WATCHER = Event->timer (
3699 after => 3,
3700 interval => 1,
3701 hard => 1,
3702 prio => 0,
3703 data => WF_AUTOCANCEL,
3704 cb => sub {
3705 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706 },
3707 );
3708 $BDB_CHECKPOINT_WATCHER = Event->timer (
3709 after => 11,
3710 interval => 60,
3711 hard => 1,
3712 prio => 0,
3713 data => WF_AUTOCANCEL,
3714 cb => sub {
3715 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716 },
3717 );
3718 $BDB_TRICKLE_WATCHER = Event->timer (
3719 after => 5,
3720 interval => 10,
3721 hard => 1,
3722 prio => 0,
3723 data => WF_AUTOCANCEL,
3724 cb => sub {
3725 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726 },
3727 );
2649} 3728}
2650 3729
2651{ 3730{
2652 IO::AIO::min_parallel 8; 3731 IO::AIO::min_parallel 8;
2653 3732
2656 $AIO_POLL_WATCHER = Event->io ( 3735 $AIO_POLL_WATCHER = Event->io (
2657 reentrant => 0, 3736 reentrant => 0,
2658 data => WF_AUTOCANCEL, 3737 data => WF_AUTOCANCEL,
2659 fd => IO::AIO::poll_fileno, 3738 fd => IO::AIO::poll_fileno,
2660 poll => 'r', 3739 poll => 'r',
2661 prio => 6, 3740 prio => 0,
2662 cb => \&IO::AIO::poll_cb, 3741 cb => \&IO::AIO::poll_cb,
2663 ); 3742 );
2664} 3743}
2665 3744
3745my $_log_backtrace;
3746
3747sub _log_backtrace {
3748 my ($msg, @addr) = @_;
3749
3750 $msg =~ s/\n//;
3751
3752 # limit the # of concurrent backtraces
3753 if ($_log_backtrace < 2) {
3754 ++$_log_backtrace;
3755 async {
3756 $Coro::current->{desc} = "abt $msg";
3757
3758 my @bt = fork_call {
3759 @addr = map { sprintf "%x", $_ } @addr;
3760 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3761 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3762 or die "addr2line: $!";
3763
3764 my @funcs;
3765 my @res = <$fh>;
3766 chomp for @res;
3767 while (@res) {
3768 my ($func, $line) = splice @res, 0, 2, ();
3769 push @funcs, "[$func] $line";
3770 }
3771
3772 @funcs
3773 };
3774
3775 LOG llevInfo, "[ABT] $msg\n";
3776 LOG llevInfo, "[ABT] $_\n" for @bt;
3777 --$_log_backtrace;
3778 };
3779 } else {
3780 LOG llevInfo, "[ABT] $msg\n";
3781 LOG llevInfo, "[ABT] [suppressed]\n";
3782 }
3783}
3784
3785# load additional modules
3786use cf::pod;
3787
2666END { cf::emergency_save } 3788END { cf::emergency_save }
2667 3789
26681 37901
2669 3791

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